From f7192b39977d7c72c42d037cecacdfc9df2b653c Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 00:32:19 +0100
Subject: [PATCH 01/58] Organise the status response into sub-sections

---
 cmd/rove-server/internal/routes.go |  38 +-
 proto/roveapi/roveapi.pb.go        | 632 +++++++++++++++++++----------
 proto/roveapi/roveapi.proto        |  70 ++--
 3 files changed, 481 insertions(+), 259 deletions(-)

diff --git a/cmd/rove-server/internal/routes.go b/cmd/rove-server/internal/routes.go
index 7174c31..86becd7 100644
--- a/cmd/rove-server/internal/routes.go
+++ b/cmd/rove-server/internal/routes.go
@@ -85,23 +85,29 @@ func (s *Server) Status(ctx context.Context, req *roveapi.StatusRequest) (respon
 		}
 
 		response = &roveapi.StatusResponse{
-			Name: rover.Name,
-			Position: &roveapi.Vector{
-				X: int32(rover.Pos.X),
-				Y: int32(rover.Pos.Y),
+			Readings: &roveapi.RoverReadings{
+				Position: &roveapi.Vector{
+					X: int32(rover.Pos.X),
+					Y: int32(rover.Pos.Y),
+				},
+				Logs: logs,
+				Wind: s.world.Wind,
+			},
+			Spec: &roveapi.RoverSpecifications{
+				Name:             rover.Name,
+				Range:            int32(rover.Range),
+				Capacity:         int32(rover.Capacity),
+				MaximumIntegrity: int32(rover.MaximumIntegrity),
+				MaximumCharge:    int32(rover.MaximumCharge),
+			},
+			Status: &roveapi.RoverStatus{
+				Bearing:        rover.Bearing,
+				Inventory:      inv,
+				Integrity:      int32(rover.Integrity),
+				Charge:         int32(rover.Charge),
+				QueuedCommands: queued,
+				SailPosition:   rover.SailPosition,
 			},
-			Bearing:          rover.Bearing,
-			Range:            int32(rover.Range),
-			Inventory:        inv,
-			Capacity:         int32(rover.Capacity),
-			Integrity:        int32(rover.Integrity),
-			MaximumIntegrity: int32(rover.MaximumIntegrity),
-			Charge:           int32(rover.Charge),
-			MaximumCharge:    int32(rover.MaximumCharge),
-			QueuedCommands:   queued,
-			SailPosition:     rover.SailPosition,
-			Logs:             logs,
-			Wind:             s.world.Wind,
 		}
 	}
 	return response, nil
diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index 4fbea99..d5f0a46 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -1061,46 +1061,267 @@ func (x *Vector) GetY() int32 {
 	return 0
 }
 
-// StatusResponse is the response given to a status request
-type StatusResponse struct {
+type RoverSpecifications struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
 	// The name of the rover
 	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	// Position of the rover in world coordinates
-	Position *Vector `protobuf:"bytes,2,opt,name=position,proto3" json:"position,omitempty"`
-	// The current direction of the rover
-	Bearing Bearing `protobuf:"varint,3,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
 	// The range of this rover's radar and broadcasting
-	Range int32 `protobuf:"varint,4,opt,name=range,proto3" json:"range,omitempty"`
-	// The items in the rover inventory
-	Inventory []byte `protobuf:"bytes,5,opt,name=inventory,proto3" json:"inventory,omitempty"`
+	Range int32 `protobuf:"varint,2,opt,name=range,proto3" json:"range,omitempty"`
 	// The capacity of the inventory
-	Capacity int32 `protobuf:"varint,6,opt,name=capacity,proto3" json:"capacity,omitempty"`
-	// The current health of the rover
-	Integrity int32 `protobuf:"varint,7,opt,name=integrity,proto3" json:"integrity,omitempty"`
+	Capacity int32 `protobuf:"varint,3,opt,name=capacity,proto3" json:"capacity,omitempty"`
 	// The maximum health of the rover
-	MaximumIntegrity int32 `protobuf:"varint,8,opt,name=maximumIntegrity,proto3" json:"maximumIntegrity,omitempty"`
-	// The energy stored in the rover
-	Charge int32 `protobuf:"varint,9,opt,name=charge,proto3" json:"charge,omitempty"`
+	MaximumIntegrity int32 `protobuf:"varint,4,opt,name=maximumIntegrity,proto3" json:"maximumIntegrity,omitempty"`
 	// The max energy the rover can store
-	MaximumCharge int32 `protobuf:"varint,10,opt,name=maximumCharge,proto3" json:"maximumCharge,omitempty"`
+	MaximumCharge int32 `protobuf:"varint,5,opt,name=maximumCharge,proto3" json:"maximumCharge,omitempty"`
+}
+
+func (x *RoverSpecifications) Reset() {
+	*x = RoverSpecifications{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_roveapi_roveapi_proto_msgTypes[13]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RoverSpecifications) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RoverSpecifications) ProtoMessage() {}
+
+func (x *RoverSpecifications) ProtoReflect() protoreflect.Message {
+	mi := &file_roveapi_roveapi_proto_msgTypes[13]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RoverSpecifications.ProtoReflect.Descriptor instead.
+func (*RoverSpecifications) Descriptor() ([]byte, []int) {
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{13}
+}
+
+func (x *RoverSpecifications) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *RoverSpecifications) GetRange() int32 {
+	if x != nil {
+		return x.Range
+	}
+	return 0
+}
+
+func (x *RoverSpecifications) GetCapacity() int32 {
+	if x != nil {
+		return x.Capacity
+	}
+	return 0
+}
+
+func (x *RoverSpecifications) GetMaximumIntegrity() int32 {
+	if x != nil {
+		return x.MaximumIntegrity
+	}
+	return 0
+}
+
+func (x *RoverSpecifications) GetMaximumCharge() int32 {
+	if x != nil {
+		return x.MaximumCharge
+	}
+	return 0
+}
+
+type RoverStatus struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The current direction of the rover
+	Bearing Bearing `protobuf:"varint,1,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
 	// The current position of the sails
-	SailPosition SailPosition `protobuf:"varint,11,opt,name=sailPosition,proto3,enum=roveapi.SailPosition" json:"sailPosition,omitempty"`
+	SailPosition SailPosition `protobuf:"varint,2,opt,name=sailPosition,proto3,enum=roveapi.SailPosition" json:"sailPosition,omitempty"`
+	// The items in the rover inventory
+	Inventory []byte `protobuf:"bytes,3,opt,name=inventory,proto3" json:"inventory,omitempty"`
+	// The current health of the rover
+	Integrity int32 `protobuf:"varint,4,opt,name=integrity,proto3" json:"integrity,omitempty"`
+	// The energy stored in the rover
+	Charge int32 `protobuf:"varint,5,opt,name=charge,proto3" json:"charge,omitempty"`
 	// The set of currently queued commands
-	QueuedCommands []*Command `protobuf:"bytes,12,rep,name=queuedCommands,proto3" json:"queuedCommands,omitempty"`
-	// The most recent logs
-	Logs []*Log `protobuf:"bytes,13,rep,name=logs,proto3" json:"logs,omitempty"`
+	QueuedCommands []*Command `protobuf:"bytes,6,rep,name=queuedCommands,proto3" json:"queuedCommands,omitempty"`
+}
+
+func (x *RoverStatus) Reset() {
+	*x = RoverStatus{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_roveapi_roveapi_proto_msgTypes[14]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RoverStatus) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RoverStatus) ProtoMessage() {}
+
+func (x *RoverStatus) ProtoReflect() protoreflect.Message {
+	mi := &file_roveapi_roveapi_proto_msgTypes[14]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RoverStatus.ProtoReflect.Descriptor instead.
+func (*RoverStatus) Descriptor() ([]byte, []int) {
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{14}
+}
+
+func (x *RoverStatus) GetBearing() Bearing {
+	if x != nil {
+		return x.Bearing
+	}
+	return Bearing_BearingUnknown
+}
+
+func (x *RoverStatus) GetSailPosition() SailPosition {
+	if x != nil {
+		return x.SailPosition
+	}
+	return SailPosition_UnknownSailPosition
+}
+
+func (x *RoverStatus) GetInventory() []byte {
+	if x != nil {
+		return x.Inventory
+	}
+	return nil
+}
+
+func (x *RoverStatus) GetIntegrity() int32 {
+	if x != nil {
+		return x.Integrity
+	}
+	return 0
+}
+
+func (x *RoverStatus) GetCharge() int32 {
+	if x != nil {
+		return x.Charge
+	}
+	return 0
+}
+
+func (x *RoverStatus) GetQueuedCommands() []*Command {
+	if x != nil {
+		return x.QueuedCommands
+	}
+	return nil
+}
+
+type RoverReadings struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Position of the rover in world coordinates
+	Position *Vector `protobuf:"bytes,1,opt,name=position,proto3" json:"position,omitempty"`
 	// The current wind direction
-	Wind Bearing `protobuf:"varint,14,opt,name=wind,proto3,enum=roveapi.Bearing" json:"wind,omitempty"`
+	Wind Bearing `protobuf:"varint,2,opt,name=wind,proto3,enum=roveapi.Bearing" json:"wind,omitempty"`
+	// The most recent logs
+	Logs []*Log `protobuf:"bytes,3,rep,name=logs,proto3" json:"logs,omitempty"`
+}
+
+func (x *RoverReadings) Reset() {
+	*x = RoverReadings{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_roveapi_roveapi_proto_msgTypes[15]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RoverReadings) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RoverReadings) ProtoMessage() {}
+
+func (x *RoverReadings) ProtoReflect() protoreflect.Message {
+	mi := &file_roveapi_roveapi_proto_msgTypes[15]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RoverReadings.ProtoReflect.Descriptor instead.
+func (*RoverReadings) Descriptor() ([]byte, []int) {
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{15}
+}
+
+func (x *RoverReadings) GetPosition() *Vector {
+	if x != nil {
+		return x.Position
+	}
+	return nil
+}
+
+func (x *RoverReadings) GetWind() Bearing {
+	if x != nil {
+		return x.Wind
+	}
+	return Bearing_BearingUnknown
+}
+
+func (x *RoverReadings) GetLogs() []*Log {
+	if x != nil {
+		return x.Logs
+	}
+	return nil
+}
+
+// StatusResponse is the response given to a status request
+type StatusResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// The static rover information
+	Spec *RoverSpecifications `protobuf:"bytes,1,opt,name=spec,proto3" json:"spec,omitempty"`
+	// Current rover status
+	Status *RoverStatus `protobuf:"bytes,2,opt,name=status,proto3" json:"status,omitempty"`
+	// Current rover readings
+	Readings *RoverReadings `protobuf:"bytes,3,opt,name=readings,proto3" json:"readings,omitempty"`
 }
 
 func (x *StatusResponse) Reset() {
 	*x = StatusResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_roveapi_roveapi_proto_msgTypes[13]
+		mi := &file_roveapi_roveapi_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1113,7 +1334,7 @@ func (x *StatusResponse) String() string {
 func (*StatusResponse) ProtoMessage() {}
 
 func (x *StatusResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_roveapi_roveapi_proto_msgTypes[13]
+	mi := &file_roveapi_roveapi_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1126,107 +1347,30 @@ func (x *StatusResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatusResponse.ProtoReflect.Descriptor instead.
 func (*StatusResponse) Descriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{13}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{16}
 }
 
-func (x *StatusResponse) GetName() string {
+func (x *StatusResponse) GetSpec() *RoverSpecifications {
 	if x != nil {
-		return x.Name
-	}
-	return ""
-}
-
-func (x *StatusResponse) GetPosition() *Vector {
-	if x != nil {
-		return x.Position
+		return x.Spec
 	}
 	return nil
 }
 
-func (x *StatusResponse) GetBearing() Bearing {
+func (x *StatusResponse) GetStatus() *RoverStatus {
 	if x != nil {
-		return x.Bearing
-	}
-	return Bearing_BearingUnknown
-}
-
-func (x *StatusResponse) GetRange() int32 {
-	if x != nil {
-		return x.Range
-	}
-	return 0
-}
-
-func (x *StatusResponse) GetInventory() []byte {
-	if x != nil {
-		return x.Inventory
+		return x.Status
 	}
 	return nil
 }
 
-func (x *StatusResponse) GetCapacity() int32 {
+func (x *StatusResponse) GetReadings() *RoverReadings {
 	if x != nil {
-		return x.Capacity
-	}
-	return 0
-}
-
-func (x *StatusResponse) GetIntegrity() int32 {
-	if x != nil {
-		return x.Integrity
-	}
-	return 0
-}
-
-func (x *StatusResponse) GetMaximumIntegrity() int32 {
-	if x != nil {
-		return x.MaximumIntegrity
-	}
-	return 0
-}
-
-func (x *StatusResponse) GetCharge() int32 {
-	if x != nil {
-		return x.Charge
-	}
-	return 0
-}
-
-func (x *StatusResponse) GetMaximumCharge() int32 {
-	if x != nil {
-		return x.MaximumCharge
-	}
-	return 0
-}
-
-func (x *StatusResponse) GetSailPosition() SailPosition {
-	if x != nil {
-		return x.SailPosition
-	}
-	return SailPosition_UnknownSailPosition
-}
-
-func (x *StatusResponse) GetQueuedCommands() []*Command {
-	if x != nil {
-		return x.QueuedCommands
+		return x.Readings
 	}
 	return nil
 }
 
-func (x *StatusResponse) GetLogs() []*Log {
-	if x != nil {
-		return x.Logs
-	}
-	return nil
-}
-
-func (x *StatusResponse) GetWind() Bearing {
-	if x != nil {
-		return x.Wind
-	}
-	return Bearing_BearingUnknown
-}
-
 var File_roveapi_roveapi_proto protoreflect.FileDescriptor
 
 var file_roveapi_roveapi_proto_rawDesc = []byte{
@@ -1289,93 +1433,105 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
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+	0x72, 0x12, 0x15, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x61, 0x64, 0x61,
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+	0x22, 0x00, 0x12, 0x3b, 0x0a, 0x06, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x16, 0x2e, 0x72,
+	0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x71,
+	0x75, 0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x53,
+	0x74, 0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42,
+	0x26, 0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6d, 0x64,
+	0x69, 0x6c, 0x75, 0x7a, 0x2f, 0x72, 0x6f, 0x76, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f,
+	0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1391,7 +1547,7 @@ func file_roveapi_roveapi_proto_rawDescGZIP() []byte {
 }
 
 var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
-var file_roveapi_roveapi_proto_msgTypes = make([]protoimpl.MessageInfo, 14)
+var file_roveapi_roveapi_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_roveapi_roveapi_proto_goTypes = []interface{}{
 	(CommandType)(0),             // 0: roveapi.CommandType
 	(Bearing)(0),                 // 1: roveapi.Bearing
@@ -1411,7 +1567,10 @@ var file_roveapi_roveapi_proto_goTypes = []interface{}{
 	(*StatusRequest)(nil),        // 15: roveapi.StatusRequest
 	(*Log)(nil),                  // 16: roveapi.Log
 	(*Vector)(nil),               // 17: roveapi.Vector
-	(*StatusResponse)(nil),       // 18: roveapi.StatusResponse
+	(*RoverSpecifications)(nil),  // 18: roveapi.RoverSpecifications
+	(*RoverStatus)(nil),          // 19: roveapi.RoverStatus
+	(*RoverReadings)(nil),        // 20: roveapi.RoverReadings
+	(*StatusResponse)(nil),       // 21: roveapi.StatusResponse
 }
 var file_roveapi_roveapi_proto_depIdxs = []int32{
 	8,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
@@ -1423,27 +1582,30 @@ var file_roveapi_roveapi_proto_depIdxs = []int32{
 	3,  // 6: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
 	2,  // 7: roveapi.RadarResponse.objects:type_name -> roveapi.Object
 	8,  // 8: roveapi.StatusRequest.account:type_name -> roveapi.Account
-	17, // 9: roveapi.StatusResponse.position:type_name -> roveapi.Vector
-	1,  // 10: roveapi.StatusResponse.bearing:type_name -> roveapi.Bearing
-	4,  // 11: roveapi.StatusResponse.sailPosition:type_name -> roveapi.SailPosition
-	10, // 12: roveapi.StatusResponse.queuedCommands:type_name -> roveapi.Command
-	16, // 13: roveapi.StatusResponse.logs:type_name -> roveapi.Log
-	1,  // 14: roveapi.StatusResponse.wind:type_name -> roveapi.Bearing
-	5,  // 15: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
-	7,  // 16: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
-	11, // 17: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
-	13, // 18: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
-	15, // 19: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
-	6,  // 20: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
-	9,  // 21: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
-	12, // 22: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
-	14, // 23: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
-	18, // 24: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
-	20, // [20:25] is the sub-list for method output_type
-	15, // [15:20] is the sub-list for method input_type
-	15, // [15:15] is the sub-list for extension type_name
-	15, // [15:15] is the sub-list for extension extendee
-	0,  // [0:15] is the sub-list for field type_name
+	1,  // 9: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
+	4,  // 10: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
+	10, // 11: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
+	17, // 12: roveapi.RoverReadings.position:type_name -> roveapi.Vector
+	1,  // 13: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
+	16, // 14: roveapi.RoverReadings.logs:type_name -> roveapi.Log
+	18, // 15: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
+	19, // 16: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
+	20, // 17: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
+	5,  // 18: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
+	7,  // 19: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
+	11, // 20: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
+	13, // 21: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
+	15, // 22: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
+	6,  // 23: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
+	9,  // 24: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
+	12, // 25: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
+	14, // 26: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
+	21, // 27: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
+	23, // [23:28] is the sub-list for method output_type
+	18, // [18:23] is the sub-list for method input_type
+	18, // [18:18] is the sub-list for extension type_name
+	18, // [18:18] is the sub-list for extension extendee
+	0,  // [0:18] is the sub-list for field type_name
 }
 
 func init() { file_roveapi_roveapi_proto_init() }
@@ -1609,6 +1771,42 @@ func file_roveapi_roveapi_proto_init() {
 			}
 		}
 		file_roveapi_roveapi_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RoverSpecifications); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_roveapi_roveapi_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RoverStatus); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_roveapi_roveapi_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RoverReadings); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_roveapi_roveapi_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*StatusResponse); i {
 			case 0:
 				return &v.state
@@ -1627,7 +1825,7 @@ func file_roveapi_roveapi_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_roveapi_roveapi_proto_rawDesc,
 			NumEnums:      5,
-			NumMessages:   14,
+			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 33bbc25..cc7826a 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -231,47 +231,65 @@ enum SailPosition {
   SolarCharging = 2;
 }
 
-// StatusResponse is the response given to a status request
-message StatusResponse {
+message RoverSpecifications {
+
   // The name of the rover
   string name = 1;
 
-  // Position of the rover in world coordinates
-  Vector position = 2;
-
-  // The current direction of the rover
-  Bearing bearing = 3;
-
   // The range of this rover's radar and broadcasting
-  int32 range = 4;
-
-  // The items in the rover inventory
-  bytes inventory = 5;
+  int32 range = 2;
 
   // The capacity of the inventory
-  int32 capacity = 6;
-
-  // The current health of the rover
-  int32 integrity = 7;
+  int32 capacity = 3;
 
   // The maximum health of the rover
-  int32 maximumIntegrity = 8;
-
-  // The energy stored in the rover
-  int32 charge = 9;
+  int32 maximumIntegrity = 4;
 
   // The max energy the rover can store
-  int32 maximumCharge = 10;
+  int32 maximumCharge = 5;
+}
+
+message RoverStatus {
+
+  // The current direction of the rover
+  Bearing bearing = 1;
 
   // The current position of the sails
-  SailPosition sailPosition = 11;
+  SailPosition sailPosition = 2;
+
+  // The items in the rover inventory
+  bytes inventory = 3;
+
+  // The current health of the rover
+  int32 integrity = 4;
+
+  // The energy stored in the rover
+  int32 charge = 5;
 
   // The set of currently queued commands
-  repeated Command queuedCommands = 12;
+  repeated Command queuedCommands = 6;
+}
 
-  // The most recent logs
-  repeated Log logs = 13;
+message RoverReadings {
+  // Position of the rover in world coordinates
+  Vector position = 1;
 
   // The current wind direction
-  Bearing wind = 14;
+  Bearing wind = 2;
+
+  // The most recent logs
+  repeated Log logs = 3;
+}
+
+// StatusResponse is the response given to a status request
+message StatusResponse {
+
+  // The static rover information
+  RoverSpecifications spec = 1;
+
+  // Current rover status
+  RoverStatus status = 2;
+
+  // Current rover readings
+  RoverReadings readings = 3;
 }
\ No newline at end of file

From 13e4d6a5e609bac7452bc928107e9155e946f648 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 00:34:57 +0100
Subject: [PATCH 02/58] Remove an old log left in

---
 pkg/rove/world.go | 2 --
 1 file changed, 2 deletions(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 591ba8e..ea91fbc 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -542,8 +542,6 @@ func (w *World) Tick() {
 			// Reset the move ticks
 			r.MoveTicks = 0
 		}
-
-		log.Print(ticksToMove)
 	}
 
 	// Increment the current tick count

From 46d904acc6889cf7b1335ce2df371f70d653acd8 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 16:41:08 +0100
Subject: [PATCH 03/58] Rename and comment ticksPerNormalMove

---
 pkg/rove/world.go      | 9 +++++----
 pkg/rove/world_test.go | 4 ++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index ea91fbc..a81cf05 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -11,7 +11,8 @@ import (
 )
 
 const (
-	TicksPerNormalMove = 4
+	// ticksPerNormalMove defines the number of ticks it should take for a "normal" speed move
+	ticksPerNormalMove = 4
 )
 
 // CommandStream is a list of commands to execute in order
@@ -515,16 +516,16 @@ func (w *World) Tick() {
 		switch diff {
 		case 0:
 			// Going with the wind, travel at base speed of once every 4 ticks
-			ticksToMove = TicksPerNormalMove
+			ticksToMove = ticksPerNormalMove
 		case 1:
 			// At a slight angle, we can go a little faster
-			ticksToMove = TicksPerNormalMove / 2
+			ticksToMove = ticksPerNormalMove / 2
 		case 2:
 			// Perpendicular to wind, max speed
 			ticksToMove = 1
 		case 3:
 			// Heading at 45 degrees into the wind, back to min speed
-			ticksToMove = TicksPerNormalMove
+			ticksToMove = ticksPerNormalMove
 		case 4:
 			// Heading durectly into the wind, no movement at all
 		default:
diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index a3c2f47..db9fcb6 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -419,7 +419,7 @@ func TestWorld_Sailing(t *testing.T) {
 	assert.Equal(t, maths.Vector{Y: 0}, info.Pos)
 
 	// Loop a few more times
-	for i := 0; i < TicksPerNormalMove-2; i++ {
+	for i := 0; i < ticksPerNormalMove-2; i++ {
 		world.Tick()
 		info, err := world.GetRover(name)
 		assert.NoError(t, err)
@@ -441,7 +441,7 @@ func TestWorld_Sailing(t *testing.T) {
 	assert.Equal(t, roveapi.Bearing_South, b)
 
 	// Tick a bunch, we should never move
-	for i := 0; i < TicksPerNormalMove*2; i++ {
+	for i := 0; i < ticksPerNormalMove*2; i++ {
 		world.Tick()
 		info, err := world.GetRover(name)
 		assert.NoError(t, err)

From 8279a08a376edc93e53bcff552aede6a2398ff28 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 16:47:39 +0100
Subject: [PATCH 04/58] Limit the log entries to a max number

---
 pkg/rove/rover.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkg/rove/rover.go b/pkg/rove/rover.go
index fb13ddc..ce0edcd 100644
--- a/pkg/rove/rover.go
+++ b/pkg/rove/rover.go
@@ -13,6 +13,10 @@ import (
 	"github.com/mdiluz/rove/proto/roveapi"
 )
 
+const (
+	maxLogEntries = 16
+)
+
 // RoverLogEntry describes a single log entry for the rover
 type RoverLogEntry struct {
 	// Time is the timestamp of the entry
@@ -89,6 +93,11 @@ func (r *Rover) AddLogEntryf(format string, args ...interface{}) {
 			Text: text,
 		},
 	)
+
+	// Limit the number of logs
+	if len(r.Logs) > maxLogEntries {
+		r.Logs = r.Logs[len(r.Logs)-maxLogEntries:]
+	}
 }
 
 var wordsFile = os.Getenv("WORDS_FILE")

From 3bfc91b8f6352e9d5a88766119e15f8072d2b47e Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 16:56:28 +0100
Subject: [PATCH 05/58] Add command test for stashing

---
 pkg/rove/command_test.go | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index f55c6cb..0dc2f11 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -48,7 +48,31 @@ func TestCommand_Turn(t *testing.T) {
 }
 
 func TestCommand_Stash(t *testing.T) {
-	// TODO: Test the stash command
+	w := NewWorld(8)
+	name, err := w.SpawnRover()
+	assert.NoError(t, err)
+
+	info, err := w.GetRover(name)
+	assert.NoError(t, err)
+	assert.Empty(t, info.Inventory)
+
+	// Drop a pickup below us
+	w.Atlas.SetObject(info.Pos, Object{Type: roveapi.Object_RockSmall})
+
+	// Try and stash it
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_stash})
+	assert.NoError(t, err)
+	w.Tick()
+
+	// Check we now have it in the inventory
+	info, err = w.GetRover(name)
+	assert.NoError(t, err)
+	assert.Equal(t, 1, len(info.Inventory))
+	assert.Equal(t, Object{Type: roveapi.Object_RockSmall}, info.Inventory[0])
+
+	// Check it's no longer on the atlas
+	_, obj := w.Atlas.QueryPosition(info.Pos)
+	assert.Equal(t, Object{Type: roveapi.Object_ObjectUnknown}, obj)
 }
 
 func TestCommand_Repair(t *testing.T) {

From 8a8a27ab47713ec568190a62eaa379f7bb3857e6 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 18:37:54 +0100
Subject: [PATCH 06/58] Add a test for the repair command

---
 pkg/rove/command_test.go | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 0dc2f11..ec9c1b5 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -3,6 +3,7 @@ package rove
 import (
 	"testing"
 
+	"github.com/mdiluz/rove/pkg/maths"
 	"github.com/mdiluz/rove/proto/roveapi"
 	"github.com/stretchr/testify/assert"
 )
@@ -76,7 +77,43 @@ func TestCommand_Stash(t *testing.T) {
 }
 
 func TestCommand_Repair(t *testing.T) {
-	// TODO: Test the repair command
+	w := NewWorld(8)
+	name, err := w.SpawnRover()
+	assert.NoError(t, err)
+
+	info, err := w.GetRover(name)
+	assert.NoError(t, err)
+	assert.Equal(t, info.MaximumIntegrity, info.Integrity)
+
+	// Put a blocking rock to the north
+	w.Atlas.SetObject(info.Pos.Added(maths.Vector{X: 0, Y: 1}), Object{Type: roveapi.Object_RockLarge})
+
+	// Try and move and make sure we're blocked
+	newpos, err := w.TryMoveRover(name, roveapi.Bearing_North)
+	assert.NoError(t, err)
+	assert.Equal(t, info.Pos, newpos)
+
+	// Check we're damaged
+	info, err = w.GetRover(name)
+	assert.NoError(t, err)
+	assert.Equal(t, info.MaximumIntegrity-1, info.Integrity)
+
+	// Stash a repair object
+	w.Atlas.SetObject(info.Pos, Object{Type: roveapi.Object_RockSmall})
+	obj, err := w.RoverStash(name)
+	assert.NoError(t, err)
+	assert.Equal(t, roveapi.Object_RockSmall, obj)
+
+	// Enqueue the repair and tick
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_repair})
+	assert.NoError(t, err)
+	w.Tick()
+
+	// Check we're repaired
+	info, err = w.GetRover(name)
+	assert.NoError(t, err)
+	assert.Equal(t, info.MaximumIntegrity, info.Integrity)
+	assert.Equal(t, 0, len(info.Inventory))
 }
 
 func TestCommand_Broadcast(t *testing.T) {

From 8cc3b9155ec66ff1087b74fd46e86923b24426ab Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 18:40:32 +0100
Subject: [PATCH 07/58] Implement broadcast command test

---
 pkg/rove/command_test.go | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index ec9c1b5..b0f2336 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -117,7 +117,18 @@ func TestCommand_Repair(t *testing.T) {
 }
 
 func TestCommand_Broadcast(t *testing.T) {
-	// TODO: Test the stash command
+	w := NewWorld(8)
+	name, err := w.SpawnRover()
+	assert.NoError(t, err)
+
+	// Enqueue the broadcast and tick
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_broadcast, Broadcast: []byte("ABC")})
+	assert.NoError(t, err)
+	w.Tick()
+
+	info, err := w.GetRover(name)
+	assert.NoError(t, err)
+	assert.Contains(t, info.Logs[len(info.Logs)-1].Text, "ABC")
 }
 
 func TestCommand_Invalid(t *testing.T) {

From 41cd93e9866287a421f02a740e557e62170f4378 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 18:41:12 +0100
Subject: [PATCH 08/58] Add command test for no command as error

---
 pkg/rove/command_test.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index b0f2336..d73b25c 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -132,5 +132,10 @@ func TestCommand_Broadcast(t *testing.T) {
 }
 
 func TestCommand_Invalid(t *testing.T) {
-	// TODO: Test an invalid command
+	w := NewWorld(8)
+	name, err := w.SpawnRover()
+	assert.NoError(t, err)
+
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_none})
+	assert.Error(t, err)
 }

From 2c1bb8077931bc75b678d0b08aa25240d3b6e1a5 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Thu, 23 Jul 2020 19:01:16 +0100
Subject: [PATCH 09/58] Add salvage command

	Slight refactor to re-use command variables

	Also fixes the cmdline client turn command
---
 cmd/rove/main.go            |   8 +-
 pkg/rove/command_test.go    |   4 +-
 pkg/rove/world.go           |  12 +-
 proto/roveapi/roveapi.pb.go | 481 +++++++++++++++++++++---------------
 proto/roveapi/roveapi.proto |  26 +-
 5 files changed, 306 insertions(+), 225 deletions(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 01e16ae..97a7a24 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -243,8 +243,8 @@ func InnerMain(command string, args ...string) error {
 				}
 				commands = append(commands,
 					&roveapi.Command{
-						Command:   roveapi.CommandType_broadcast,
-						Broadcast: []byte(args[i]),
+						Command: roveapi.CommandType_turn,
+						Bearing: b,
 					},
 				)
 			case "broadcast":
@@ -256,8 +256,8 @@ func InnerMain(command string, args ...string) error {
 				}
 				commands = append(commands,
 					&roveapi.Command{
-						Command:   roveapi.CommandType_broadcast,
-						Broadcast: []byte(args[i]),
+						Command: roveapi.CommandType_broadcast,
+						Data:    []byte(args[i]),
 					},
 				)
 			default:
diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index d73b25c..8f4dd36 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -39,7 +39,7 @@ func TestCommand_Turn(t *testing.T) {
 	a, err := w.SpawnRover()
 	assert.NoError(t, err)
 
-	err = w.Enqueue(a, &roveapi.Command{Command: roveapi.CommandType_turn, Turn: roveapi.Bearing_NorthWest})
+	err = w.Enqueue(a, &roveapi.Command{Command: roveapi.CommandType_turn, Bearing: roveapi.Bearing_NorthWest})
 	assert.NoError(t, err)
 	w.Tick()
 
@@ -122,7 +122,7 @@ func TestCommand_Broadcast(t *testing.T) {
 	assert.NoError(t, err)
 
 	// Enqueue the broadcast and tick
-	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_broadcast, Broadcast: []byte("ABC")})
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_broadcast, Data: []byte("ABC")})
 	assert.NoError(t, err)
 	w.Tick()
 
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index a81cf05..50348dc 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -435,16 +435,16 @@ func (w *World) Enqueue(rover string, commands ...*roveapi.Command) error {
 	for _, c := range commands {
 		switch c.Command {
 		case roveapi.CommandType_broadcast:
-			if len(c.GetBroadcast()) > 3 {
-				return fmt.Errorf("too many characters in message (limit 3): %d", len(c.GetBroadcast()))
+			if len(c.GetData()) > 3 {
+				return fmt.Errorf("too many characters in message (limit 3): %d", len(c.GetData()))
 			}
-			for _, b := range c.GetBroadcast() {
+			for _, b := range c.GetData() {
 				if b < 37 || b > 126 {
 					return fmt.Errorf("invalid message character: %c", b)
 				}
 			}
 		case roveapi.CommandType_turn:
-			if c.GetTurn() == roveapi.Bearing_BearingUnknown {
+			if c.GetBearing() == roveapi.Bearing_BearingUnknown {
 				return fmt.Errorf("turn command given unknown bearing")
 			}
 		case roveapi.CommandType_toggle:
@@ -569,12 +569,12 @@ func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (err error) {
 		}
 
 	case roveapi.CommandType_broadcast:
-		if err := w.RoverBroadcast(rover, c.GetBroadcast()); err != nil {
+		if err := w.RoverBroadcast(rover, c.GetData()); err != nil {
 			return err
 		}
 
 	case roveapi.CommandType_turn:
-		if _, err := w.RoverTurn(rover, c.GetTurn()); err != nil {
+		if _, err := w.RoverTurn(rover, c.GetBearing()); err != nil {
 			return err
 		}
 
diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index d5f0a46..c5e458c 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -41,14 +41,16 @@ const (
 	CommandType_none CommandType = 0
 	// Toggles the sails, either catching the wind, or charging from the sun
 	CommandType_toggle CommandType = 1
-	// Turns the rover in the specified bearing, requires data
+	// Turns the rover in the specified bearing (requires bearing)
 	CommandType_turn CommandType = 2
 	// Stashes item at current location in rover inventory
 	CommandType_stash CommandType = 3
 	// Repairs the rover using an inventory object
 	CommandType_repair CommandType = 4
-	// Broadcasts a message to nearby rovers, requires data
+	// Broadcasts a message to nearby rovers (requires data)
 	CommandType_broadcast CommandType = 5
+	// Salvages a neighboring dormant rover for parts (requres bearing and salvage)
+	CommandType_salvage CommandType = 6
 )
 
 // Enum value maps for CommandType.
@@ -60,6 +62,7 @@ var (
 		3: "stash",
 		4: "repair",
 		5: "broadcast",
+		6: "salvage",
 	}
 	CommandType_value = map[string]int32{
 		"none":      0,
@@ -68,6 +71,7 @@ var (
 		"stash":     3,
 		"repair":    4,
 		"broadcast": 5,
+		"salvage":   6,
 	}
 )
 
@@ -167,6 +171,53 @@ func (Bearing) EnumDescriptor() ([]byte, []int) {
 	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{1}
 }
 
+type SalvageType int32
+
+const (
+	SalvageType_SalvageUnknown SalvageType = 0
+	// Salvage a nearby rover for parts
+	SalvageType_SalvageParts SalvageType = 1
+)
+
+// Enum value maps for SalvageType.
+var (
+	SalvageType_name = map[int32]string{
+		0: "SalvageUnknown",
+		1: "SalvageParts",
+	}
+	SalvageType_value = map[string]int32{
+		"SalvageUnknown": 0,
+		"SalvageParts":   1,
+	}
+)
+
+func (x SalvageType) Enum() *SalvageType {
+	p := new(SalvageType)
+	*p = x
+	return p
+}
+
+func (x SalvageType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SalvageType) Descriptor() protoreflect.EnumDescriptor {
+	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
+}
+
+func (SalvageType) Type() protoreflect.EnumType {
+	return &file_roveapi_roveapi_proto_enumTypes[2]
+}
+
+func (x SalvageType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SalvageType.Descriptor instead.
+func (SalvageType) EnumDescriptor() ([]byte, []int) {
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
+}
+
 // Types of objects
 type Object int32
 
@@ -212,11 +263,11 @@ func (x Object) String() string {
 }
 
 func (Object) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
 }
 
 func (Object) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[2]
+	return &file_roveapi_roveapi_proto_enumTypes[3]
 }
 
 func (x Object) Number() protoreflect.EnumNumber {
@@ -225,7 +276,7 @@ func (x Object) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Object.Descriptor instead.
 func (Object) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
 }
 
 type Tile int32
@@ -268,11 +319,11 @@ func (x Tile) String() string {
 }
 
 func (Tile) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
 }
 
 func (Tile) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[3]
+	return &file_roveapi_roveapi_proto_enumTypes[4]
 }
 
 func (x Tile) Number() protoreflect.EnumNumber {
@@ -281,7 +332,7 @@ func (x Tile) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Tile.Descriptor instead.
 func (Tile) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
 }
 
 // SailPosition represents the position of the sola sail
@@ -320,11 +371,11 @@ func (x SailPosition) String() string {
 }
 
 func (SailPosition) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[5].Descriptor()
 }
 
 func (SailPosition) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[4]
+	return &file_roveapi_roveapi_proto_enumTypes[5]
 }
 
 func (x SailPosition) Number() protoreflect.EnumNumber {
@@ -333,7 +384,7 @@ func (x SailPosition) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use SailPosition.Descriptor instead.
 func (SailPosition) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{5}
 }
 
 // ServerStatusRequest is an empty placeholder
@@ -624,11 +675,13 @@ type Command struct {
 
 	// The command type
 	Command CommandType `protobuf:"varint,1,opt,name=command,proto3,enum=roveapi.CommandType" json:"command,omitempty"`
-	// A simple message, must be composed of printable ASCII glyphs (32-126)
-	// maximum of three characters
-	Broadcast []byte `protobuf:"bytes,2,opt,name=broadcast,proto3" json:"broadcast,omitempty"`
-	// The bearing for the rover to turn to
-	Turn Bearing `protobuf:"varint,3,opt,name=turn,proto3,enum=roveapi.Bearing" json:"turn,omitempty"`
+	// broadcast - a simple message, must be composed of up to 3 printable ASCII glyphs (32-126)
+	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	// move - the bearing for the rover to turn to
+	// salvage - the direction of the rover
+	Bearing Bearing `protobuf:"varint,3,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
+	// salvage - the type of salvage to execute
+	Salvage SalvageType `protobuf:"varint,4,opt,name=salvage,proto3,enum=roveapi.SalvageType" json:"salvage,omitempty"`
 }
 
 func (x *Command) Reset() {
@@ -670,20 +723,27 @@ func (x *Command) GetCommand() CommandType {
 	return CommandType_none
 }
 
-func (x *Command) GetBroadcast() []byte {
+func (x *Command) GetData() []byte {
 	if x != nil {
-		return x.Broadcast
+		return x.Data
 	}
 	return nil
 }
 
-func (x *Command) GetTurn() Bearing {
+func (x *Command) GetBearing() Bearing {
 	if x != nil {
-		return x.Turn
+		return x.Bearing
 	}
 	return Bearing_BearingUnknown
 }
 
+func (x *Command) GetSalvage() SalvageType {
+	if x != nil {
+		return x.Salvage
+	}
+	return SalvageType_SalvageUnknown
+}
+
 // CommandRequest describes a set of commands to be requested for the rover
 type CommandRequest struct {
 	state         protoimpl.MessageState
@@ -1397,141 +1457,148 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
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+	0x0a, 0x0c, 0x53, 0x61, 0x69, 0x6c, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x12, 0x17,
+	0x0a, 0x13, 0x55, 0x6e, 0x6b, 0x6e, 0x6f, 0x77, 0x6e, 0x53, 0x61, 0x69, 0x6c, 0x50, 0x6f, 0x73,
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+	0x69, 0x6e, 0x67, 0x57, 0x69, 0x6e, 0x64, 0x10, 0x01, 0x12, 0x11, 0x0a, 0x0d, 0x53, 0x6f, 0x6c,
+	0x61, 0x72, 0x43, 0x68, 0x61, 0x72, 0x67, 0x69, 0x6e, 0x67, 0x10, 0x02, 0x32, 0xcf, 0x02, 0x0a,
+	0x04, 0x52, 0x6f, 0x76, 0x65, 0x12, 0x4d, 0x0a, 0x0c, 0x53, 0x65, 0x72, 0x76, 0x65, 0x72, 0x53,
+	0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x1c, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e,
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+	0x73, 0x65, 0x22, 0x00, 0x12, 0x41, 0x0a, 0x08, 0x52, 0x65, 0x67, 0x69, 0x73, 0x74, 0x65, 0x72,
+	0x12, 0x18, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x65, 0x67, 0x69, 0x73,
+	0x74, 0x65, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x19, 0x2e, 0x72, 0x6f, 0x76,
+	0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x65, 0x67, 0x69, 0x73, 0x74, 0x65, 0x72, 0x52, 0x65, 0x73,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x3e, 0x0a, 0x07, 0x43, 0x6f, 0x6d, 0x6d, 0x61,
+	0x6e, 0x64, 0x12, 0x17, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x43, 0x6f, 0x6d,
+	0x6d, 0x61, 0x6e, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x18, 0x2e, 0x72, 0x6f,
+	0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x52, 0x65, 0x73,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x38, 0x0a, 0x05, 0x52, 0x61, 0x64, 0x61, 0x72,
+	0x12, 0x15, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x61, 0x64, 0x61, 0x72,
+	0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70,
+	0x69, 0x2e, 0x52, 0x61, 0x64, 0x61, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22,
+	0x00, 0x12, 0x3b, 0x0a, 0x06, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x16, 0x2e, 0x72, 0x6f,
+	0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x53, 0x74,
+	0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x26,
+	0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6d, 0x64, 0x69,
+	0x6c, 0x75, 0x7a, 0x2f, 0x72, 0x6f, 0x76, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x72,
+	0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1546,66 +1613,68 @@ func file_roveapi_roveapi_proto_rawDescGZIP() []byte {
 	return file_roveapi_roveapi_proto_rawDescData
 }
 
-var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
+var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 6)
 var file_roveapi_roveapi_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_roveapi_roveapi_proto_goTypes = []interface{}{
 	(CommandType)(0),             // 0: roveapi.CommandType
 	(Bearing)(0),                 // 1: roveapi.Bearing
-	(Object)(0),                  // 2: roveapi.Object
-	(Tile)(0),                    // 3: roveapi.Tile
-	(SailPosition)(0),            // 4: roveapi.SailPosition
-	(*ServerStatusRequest)(nil),  // 5: roveapi.ServerStatusRequest
-	(*ServerStatusResponse)(nil), // 6: roveapi.ServerStatusResponse
-	(*RegisterRequest)(nil),      // 7: roveapi.RegisterRequest
-	(*Account)(nil),              // 8: roveapi.Account
-	(*RegisterResponse)(nil),     // 9: roveapi.RegisterResponse
-	(*Command)(nil),              // 10: roveapi.Command
-	(*CommandRequest)(nil),       // 11: roveapi.CommandRequest
-	(*CommandResponse)(nil),      // 12: roveapi.CommandResponse
-	(*RadarRequest)(nil),         // 13: roveapi.RadarRequest
-	(*RadarResponse)(nil),        // 14: roveapi.RadarResponse
-	(*StatusRequest)(nil),        // 15: roveapi.StatusRequest
-	(*Log)(nil),                  // 16: roveapi.Log
-	(*Vector)(nil),               // 17: roveapi.Vector
-	(*RoverSpecifications)(nil),  // 18: roveapi.RoverSpecifications
-	(*RoverStatus)(nil),          // 19: roveapi.RoverStatus
-	(*RoverReadings)(nil),        // 20: roveapi.RoverReadings
-	(*StatusResponse)(nil),       // 21: roveapi.StatusResponse
+	(SalvageType)(0),             // 2: roveapi.SalvageType
+	(Object)(0),                  // 3: roveapi.Object
+	(Tile)(0),                    // 4: roveapi.Tile
+	(SailPosition)(0),            // 5: roveapi.SailPosition
+	(*ServerStatusRequest)(nil),  // 6: roveapi.ServerStatusRequest
+	(*ServerStatusResponse)(nil), // 7: roveapi.ServerStatusResponse
+	(*RegisterRequest)(nil),      // 8: roveapi.RegisterRequest
+	(*Account)(nil),              // 9: roveapi.Account
+	(*RegisterResponse)(nil),     // 10: roveapi.RegisterResponse
+	(*Command)(nil),              // 11: roveapi.Command
+	(*CommandRequest)(nil),       // 12: roveapi.CommandRequest
+	(*CommandResponse)(nil),      // 13: roveapi.CommandResponse
+	(*RadarRequest)(nil),         // 14: roveapi.RadarRequest
+	(*RadarResponse)(nil),        // 15: roveapi.RadarResponse
+	(*StatusRequest)(nil),        // 16: roveapi.StatusRequest
+	(*Log)(nil),                  // 17: roveapi.Log
+	(*Vector)(nil),               // 18: roveapi.Vector
+	(*RoverSpecifications)(nil),  // 19: roveapi.RoverSpecifications
+	(*RoverStatus)(nil),          // 20: roveapi.RoverStatus
+	(*RoverReadings)(nil),        // 21: roveapi.RoverReadings
+	(*StatusResponse)(nil),       // 22: roveapi.StatusResponse
 }
 var file_roveapi_roveapi_proto_depIdxs = []int32{
-	8,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
+	9,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
 	0,  // 1: roveapi.Command.command:type_name -> roveapi.CommandType
-	1,  // 2: roveapi.Command.turn:type_name -> roveapi.Bearing
-	8,  // 3: roveapi.CommandRequest.account:type_name -> roveapi.Account
-	10, // 4: roveapi.CommandRequest.commands:type_name -> roveapi.Command
-	8,  // 5: roveapi.RadarRequest.account:type_name -> roveapi.Account
-	3,  // 6: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
-	2,  // 7: roveapi.RadarResponse.objects:type_name -> roveapi.Object
-	8,  // 8: roveapi.StatusRequest.account:type_name -> roveapi.Account
-	1,  // 9: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
-	4,  // 10: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
-	10, // 11: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
-	17, // 12: roveapi.RoverReadings.position:type_name -> roveapi.Vector
-	1,  // 13: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
-	16, // 14: roveapi.RoverReadings.logs:type_name -> roveapi.Log
-	18, // 15: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
-	19, // 16: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
-	20, // 17: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
-	5,  // 18: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
-	7,  // 19: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
-	11, // 20: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
-	13, // 21: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
-	15, // 22: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
-	6,  // 23: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
-	9,  // 24: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
-	12, // 25: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
-	14, // 26: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
-	21, // 27: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
-	23, // [23:28] is the sub-list for method output_type
-	18, // [18:23] is the sub-list for method input_type
-	18, // [18:18] is the sub-list for extension type_name
-	18, // [18:18] is the sub-list for extension extendee
-	0,  // [0:18] is the sub-list for field type_name
+	1,  // 2: roveapi.Command.bearing:type_name -> roveapi.Bearing
+	2,  // 3: roveapi.Command.salvage:type_name -> roveapi.SalvageType
+	9,  // 4: roveapi.CommandRequest.account:type_name -> roveapi.Account
+	11, // 5: roveapi.CommandRequest.commands:type_name -> roveapi.Command
+	9,  // 6: roveapi.RadarRequest.account:type_name -> roveapi.Account
+	4,  // 7: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
+	3,  // 8: roveapi.RadarResponse.objects:type_name -> roveapi.Object
+	9,  // 9: roveapi.StatusRequest.account:type_name -> roveapi.Account
+	1,  // 10: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
+	5,  // 11: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
+	11, // 12: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
+	18, // 13: roveapi.RoverReadings.position:type_name -> roveapi.Vector
+	1,  // 14: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
+	17, // 15: roveapi.RoverReadings.logs:type_name -> roveapi.Log
+	19, // 16: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
+	20, // 17: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
+	21, // 18: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
+	6,  // 19: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
+	8,  // 20: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
+	12, // 21: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
+	14, // 22: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
+	16, // 23: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
+	7,  // 24: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
+	10, // 25: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
+	13, // 26: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
+	15, // 27: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
+	22, // 28: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
+	24, // [24:29] is the sub-list for method output_type
+	19, // [19:24] is the sub-list for method input_type
+	19, // [19:19] is the sub-list for extension type_name
+	19, // [19:19] is the sub-list for extension extendee
+	0,  // [0:19] is the sub-list for field type_name
 }
 
 func init() { file_roveapi_roveapi_proto_init() }
@@ -1824,7 +1893,7 @@ func file_roveapi_roveapi_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_roveapi_roveapi_proto_rawDesc,
-			NumEnums:      5,
+			NumEnums:      6,
 			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   1,
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index cc7826a..2d8917e 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -91,14 +91,16 @@ enum CommandType {
   none = 0;
   // Toggles the sails, either catching the wind, or charging from the sun
   toggle = 1;
-  // Turns the rover in the specified bearing, requires data
+  // Turns the rover in the specified bearing (requires bearing)
   turn = 2;
   // Stashes item at current location in rover inventory
   stash = 3;
   // Repairs the rover using an inventory object
   repair = 4;
-  // Broadcasts a message to nearby rovers, requires data
+  // Broadcasts a message to nearby rovers (requires data)
   broadcast = 5;
+  // Salvages a neighboring dormant rover for parts (requres bearing and salvage)
+  salvage = 6;
 }
 
 // Bearing represents a compass direction
@@ -115,17 +117,27 @@ enum Bearing {
   NorthWest = 8;
 }
 
+enum SalvageType {
+  SalvageUnknown = 0;
+
+  // Salvage a nearby rover for parts
+  SalvageParts = 1;
+}
+
 // Command is a single command for a rover
 message Command {
   // The command type
   CommandType command = 1;
 
-  // A simple message, must be composed of printable ASCII glyphs (32-126)
-  // maximum of three characters
-  bytes broadcast = 2;
+  // broadcast - a simple message, must be composed of up to 3 printable ASCII glyphs (32-126)
+  bytes data = 2;
 
-  // The bearing for the rover to turn to
-  Bearing turn = 3;
+  // move - the bearing for the rover to turn to
+  // salvage - the direction of the rover
+  Bearing bearing = 3;
+
+  // salvage - the type of salvage to execute
+  SalvageType salvage = 4;
 }
 
 // CommandRequest describes a set of commands to be requested for the rover

From ce6e10afbb0deb73601b07ff5640a23453d7abe0 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:08:03 +0100
Subject: [PATCH 10/58] Add salvage command to main.go man page

---
 cmd/rove/main.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 97a7a24..aaca561 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -37,6 +37,7 @@ func printUsage() {
 	fmt.Fprintln(os.Stderr, "\tstash                      stores the object at the rover location in the inventory")
 	fmt.Fprintln(os.Stderr, "\trepair                     uses an inventory object to repair the rover")
 	fmt.Fprintln(os.Stderr, "\tbroadcast MSG              broadcast a simple ASCII triplet to nearby rovers")
+	fmt.Fprintln(os.Stderr, "\tsalvage                     uses an inventory object to repair the rover")
 	fmt.Fprintln(os.Stderr, "\nEnvironment")
 	fmt.Fprintln(os.Stderr, "\tROVE_USER_DATA             path to user data, defaults to "+defaultDataPath)
 }

From 2f1ccdfdb91fa2676e417e376b127afae0946a18 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:08:39 +0100
Subject: [PATCH 11/58] Make repair require rover parts

---
 pkg/rove/command_test.go    |   4 +-
 pkg/rove/objects.go         |   1 +
 pkg/rove/world.go           |  23 +-
 pkg/rove/world_test.go      |   8 +-
 proto/roveapi/roveapi.pb.go | 461 ++++++++++++++++--------------------
 proto/roveapi/roveapi.proto |  15 +-
 6 files changed, 230 insertions(+), 282 deletions(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 8f4dd36..9ca2748 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -99,10 +99,10 @@ func TestCommand_Repair(t *testing.T) {
 	assert.Equal(t, info.MaximumIntegrity-1, info.Integrity)
 
 	// Stash a repair object
-	w.Atlas.SetObject(info.Pos, Object{Type: roveapi.Object_RockSmall})
+	w.Atlas.SetObject(info.Pos, Object{Type: roveapi.Object_RoverParts})
 	obj, err := w.RoverStash(name)
 	assert.NoError(t, err)
-	assert.Equal(t, roveapi.Object_RockSmall, obj)
+	assert.Equal(t, roveapi.Object_RoverParts, obj)
 
 	// Enqueue the repair and tick
 	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_repair})
diff --git a/pkg/rove/objects.go b/pkg/rove/objects.go
index f1ce227..d5fd237 100644
--- a/pkg/rove/objects.go
+++ b/pkg/rove/objects.go
@@ -33,6 +33,7 @@ func (o *Object) IsBlocking() bool {
 func (o *Object) IsStashable() bool {
 	var stashable = [...]roveapi.Object{
 		roveapi.Object_RockSmall,
+		roveapi.Object_RoverParts,
 	}
 
 	for _, t := range stashable {
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 50348dc..de0bcae 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -352,11 +352,24 @@ func (w *World) RoverRepair(rover string) (int, error) {
 		return 0, fmt.Errorf("no rover matching id")
 	}
 
-	// Consume an inventory item to repair if possible
-	if len(r.Inventory) > 0 && r.Integrity < r.MaximumIntegrity {
-		r.Inventory = r.Inventory[:len(r.Inventory)-1]
-		r.Integrity = r.Integrity + 1
-		r.AddLogEntryf("repaired self to %d", r.Integrity)
+	// Can't repair past max
+	if r.Integrity >= r.MaximumIntegrity {
+		return r.Integrity, nil
+	}
+
+	// Find rover parts in inventory
+	for i, o := range r.Inventory {
+		if o.Type == roveapi.Object_RoverParts {
+
+			// Copy-erase from slice
+			r.Inventory[i] = r.Inventory[len(r.Inventory)-1]
+			r.Inventory = r.Inventory[:len(r.Inventory)-1]
+
+			// Repair
+			r.Integrity = r.Integrity + 1
+			r.AddLogEntryf("repaired self to %d", r.Integrity)
+			break
+		}
 	}
 
 	return r.Integrity, nil
diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index db9fcb6..53be582 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -248,10 +248,10 @@ func TestWorld_RoverRepair(t *testing.T) {
 	assert.NoError(t, err, "couldn't get rover info")
 
 	// Pick up something to repair with
-	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RockSmall})
+	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RoverParts})
 	o, err := world.RoverStash(a)
 	assert.NoError(t, err, "Failed to stash")
-	assert.Equal(t, roveapi.Object_RockSmall, o, "Failed to get correct object")
+	assert.Equal(t, roveapi.Object_RoverParts, o, "Failed to get correct object")
 
 	world.Atlas.SetObject(maths.Vector{X: 0.0, Y: 1.0}, Object{Type: roveapi.Object_RockLarge})
 
@@ -273,10 +273,10 @@ func TestWorld_RoverRepair(t *testing.T) {
 	assert.Contains(t, newinfo.Logs[len(newinfo.Logs)-1].Text, "repair", "Rover logs should contain the repair")
 
 	// Check again that it can't repair past the max
-	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RockSmall})
+	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RoverParts})
 	o, err = world.RoverStash(a)
 	assert.NoError(t, err, "Failed to stash")
-	assert.Equal(t, roveapi.Object_RockSmall, o, "Failed to get correct object")
+	assert.Equal(t, roveapi.Object_RoverParts, o, "Failed to get correct object")
 
 	err = world.ExecuteCommand(&roveapi.Command{Command: roveapi.CommandType_repair}, a)
 	assert.NoError(t, err, "Failed to repair rover")
diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index c5e458c..e86ab46 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -49,7 +49,7 @@ const (
 	CommandType_repair CommandType = 4
 	// Broadcasts a message to nearby rovers (requires data)
 	CommandType_broadcast CommandType = 5
-	// Salvages a neighboring dormant rover for parts (requres bearing and salvage)
+	// Salvages a neighboring dormant rover for parts
 	CommandType_salvage CommandType = 6
 )
 
@@ -171,53 +171,6 @@ func (Bearing) EnumDescriptor() ([]byte, []int) {
 	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{1}
 }
 
-type SalvageType int32
-
-const (
-	SalvageType_SalvageUnknown SalvageType = 0
-	// Salvage a nearby rover for parts
-	SalvageType_SalvageParts SalvageType = 1
-)
-
-// Enum value maps for SalvageType.
-var (
-	SalvageType_name = map[int32]string{
-		0: "SalvageUnknown",
-		1: "SalvageParts",
-	}
-	SalvageType_value = map[string]int32{
-		"SalvageUnknown": 0,
-		"SalvageParts":   1,
-	}
-)
-
-func (x SalvageType) Enum() *SalvageType {
-	p := new(SalvageType)
-	*p = x
-	return p
-}
-
-func (x SalvageType) String() string {
-	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
-}
-
-func (SalvageType) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
-}
-
-func (SalvageType) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[2]
-}
-
-func (x SalvageType) Number() protoreflect.EnumNumber {
-	return protoreflect.EnumNumber(x)
-}
-
-// Deprecated: Use SalvageType.Descriptor instead.
-func (SalvageType) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
-}
-
 // Types of objects
 type Object int32
 
@@ -232,6 +185,8 @@ const (
 	Object_RockSmall Object = 3
 	// RockLarge is a large blocking rock
 	Object_RockLarge Object = 4
+	// RoverParts is one unit of rover parts, used for repairing and fixing the rover
+	Object_RoverParts Object = 5
 )
 
 // Enum value maps for Object.
@@ -242,6 +197,7 @@ var (
 		2: "RoverDormant",
 		3: "RockSmall",
 		4: "RockLarge",
+		5: "RoverParts",
 	}
 	Object_value = map[string]int32{
 		"ObjectUnknown": 0,
@@ -249,6 +205,7 @@ var (
 		"RoverDormant":  2,
 		"RockSmall":     3,
 		"RockLarge":     4,
+		"RoverParts":    5,
 	}
 )
 
@@ -263,11 +220,11 @@ func (x Object) String() string {
 }
 
 func (Object) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
 }
 
 func (Object) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[3]
+	return &file_roveapi_roveapi_proto_enumTypes[2]
 }
 
 func (x Object) Number() protoreflect.EnumNumber {
@@ -276,7 +233,7 @@ func (x Object) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Object.Descriptor instead.
 func (Object) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
 }
 
 type Tile int32
@@ -319,11 +276,11 @@ func (x Tile) String() string {
 }
 
 func (Tile) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
 }
 
 func (Tile) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[4]
+	return &file_roveapi_roveapi_proto_enumTypes[3]
 }
 
 func (x Tile) Number() protoreflect.EnumNumber {
@@ -332,7 +289,7 @@ func (x Tile) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Tile.Descriptor instead.
 func (Tile) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
 }
 
 // SailPosition represents the position of the sola sail
@@ -371,11 +328,11 @@ func (x SailPosition) String() string {
 }
 
 func (SailPosition) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[5].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
 }
 
 func (SailPosition) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[5]
+	return &file_roveapi_roveapi_proto_enumTypes[4]
 }
 
 func (x SailPosition) Number() protoreflect.EnumNumber {
@@ -384,7 +341,7 @@ func (x SailPosition) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use SailPosition.Descriptor instead.
 func (SailPosition) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{5}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
 }
 
 // ServerStatusRequest is an empty placeholder
@@ -680,8 +637,6 @@ type Command struct {
 	// move - the bearing for the rover to turn to
 	// salvage - the direction of the rover
 	Bearing Bearing `protobuf:"varint,3,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
-	// salvage - the type of salvage to execute
-	Salvage SalvageType `protobuf:"varint,4,opt,name=salvage,proto3,enum=roveapi.SalvageType" json:"salvage,omitempty"`
 }
 
 func (x *Command) Reset() {
@@ -737,13 +692,6 @@ func (x *Command) GetBearing() Bearing {
 	return Bearing_BearingUnknown
 }
 
-func (x *Command) GetSalvage() SalvageType {
-	if x != nil {
-		return x.Salvage
-	}
-	return SalvageType_SalvageUnknown
-}
-
 // CommandRequest describes a set of commands to be requested for the rover
 type CommandRequest struct {
 	state         protoimpl.MessageState
@@ -1457,148 +1405,143 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
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 }
 
 var (
@@ -1613,68 +1556,66 @@ func file_roveapi_roveapi_proto_rawDescGZIP() []byte {
 	return file_roveapi_roveapi_proto_rawDescData
 }
 
-var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 6)
+var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
 var file_roveapi_roveapi_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_roveapi_roveapi_proto_goTypes = []interface{}{
 	(CommandType)(0),             // 0: roveapi.CommandType
 	(Bearing)(0),                 // 1: roveapi.Bearing
-	(SalvageType)(0),             // 2: roveapi.SalvageType
-	(Object)(0),                  // 3: roveapi.Object
-	(Tile)(0),                    // 4: roveapi.Tile
-	(SailPosition)(0),            // 5: roveapi.SailPosition
-	(*ServerStatusRequest)(nil),  // 6: roveapi.ServerStatusRequest
-	(*ServerStatusResponse)(nil), // 7: roveapi.ServerStatusResponse
-	(*RegisterRequest)(nil),      // 8: roveapi.RegisterRequest
-	(*Account)(nil),              // 9: roveapi.Account
-	(*RegisterResponse)(nil),     // 10: roveapi.RegisterResponse
-	(*Command)(nil),              // 11: roveapi.Command
-	(*CommandRequest)(nil),       // 12: roveapi.CommandRequest
-	(*CommandResponse)(nil),      // 13: roveapi.CommandResponse
-	(*RadarRequest)(nil),         // 14: roveapi.RadarRequest
-	(*RadarResponse)(nil),        // 15: roveapi.RadarResponse
-	(*StatusRequest)(nil),        // 16: roveapi.StatusRequest
-	(*Log)(nil),                  // 17: roveapi.Log
-	(*Vector)(nil),               // 18: roveapi.Vector
-	(*RoverSpecifications)(nil),  // 19: roveapi.RoverSpecifications
-	(*RoverStatus)(nil),          // 20: roveapi.RoverStatus
-	(*RoverReadings)(nil),        // 21: roveapi.RoverReadings
-	(*StatusResponse)(nil),       // 22: roveapi.StatusResponse
+	(Object)(0),                  // 2: roveapi.Object
+	(Tile)(0),                    // 3: roveapi.Tile
+	(SailPosition)(0),            // 4: roveapi.SailPosition
+	(*ServerStatusRequest)(nil),  // 5: roveapi.ServerStatusRequest
+	(*ServerStatusResponse)(nil), // 6: roveapi.ServerStatusResponse
+	(*RegisterRequest)(nil),      // 7: roveapi.RegisterRequest
+	(*Account)(nil),              // 8: roveapi.Account
+	(*RegisterResponse)(nil),     // 9: roveapi.RegisterResponse
+	(*Command)(nil),              // 10: roveapi.Command
+	(*CommandRequest)(nil),       // 11: roveapi.CommandRequest
+	(*CommandResponse)(nil),      // 12: roveapi.CommandResponse
+	(*RadarRequest)(nil),         // 13: roveapi.RadarRequest
+	(*RadarResponse)(nil),        // 14: roveapi.RadarResponse
+	(*StatusRequest)(nil),        // 15: roveapi.StatusRequest
+	(*Log)(nil),                  // 16: roveapi.Log
+	(*Vector)(nil),               // 17: roveapi.Vector
+	(*RoverSpecifications)(nil),  // 18: roveapi.RoverSpecifications
+	(*RoverStatus)(nil),          // 19: roveapi.RoverStatus
+	(*RoverReadings)(nil),        // 20: roveapi.RoverReadings
+	(*StatusResponse)(nil),       // 21: roveapi.StatusResponse
 }
 var file_roveapi_roveapi_proto_depIdxs = []int32{
-	9,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
+	8,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
 	0,  // 1: roveapi.Command.command:type_name -> roveapi.CommandType
 	1,  // 2: roveapi.Command.bearing:type_name -> roveapi.Bearing
-	2,  // 3: roveapi.Command.salvage:type_name -> roveapi.SalvageType
-	9,  // 4: roveapi.CommandRequest.account:type_name -> roveapi.Account
-	11, // 5: roveapi.CommandRequest.commands:type_name -> roveapi.Command
-	9,  // 6: roveapi.RadarRequest.account:type_name -> roveapi.Account
-	4,  // 7: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
-	3,  // 8: roveapi.RadarResponse.objects:type_name -> roveapi.Object
-	9,  // 9: roveapi.StatusRequest.account:type_name -> roveapi.Account
-	1,  // 10: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
-	5,  // 11: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
-	11, // 12: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
-	18, // 13: roveapi.RoverReadings.position:type_name -> roveapi.Vector
-	1,  // 14: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
-	17, // 15: roveapi.RoverReadings.logs:type_name -> roveapi.Log
-	19, // 16: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
-	20, // 17: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
-	21, // 18: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
-	6,  // 19: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
-	8,  // 20: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
-	12, // 21: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
-	14, // 22: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
-	16, // 23: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
-	7,  // 24: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
-	10, // 25: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
-	13, // 26: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
-	15, // 27: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
-	22, // 28: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
-	24, // [24:29] is the sub-list for method output_type
-	19, // [19:24] is the sub-list for method input_type
-	19, // [19:19] is the sub-list for extension type_name
-	19, // [19:19] is the sub-list for extension extendee
-	0,  // [0:19] is the sub-list for field type_name
+	8,  // 3: roveapi.CommandRequest.account:type_name -> roveapi.Account
+	10, // 4: roveapi.CommandRequest.commands:type_name -> roveapi.Command
+	8,  // 5: roveapi.RadarRequest.account:type_name -> roveapi.Account
+	3,  // 6: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
+	2,  // 7: roveapi.RadarResponse.objects:type_name -> roveapi.Object
+	8,  // 8: roveapi.StatusRequest.account:type_name -> roveapi.Account
+	1,  // 9: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
+	4,  // 10: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
+	10, // 11: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
+	17, // 12: roveapi.RoverReadings.position:type_name -> roveapi.Vector
+	1,  // 13: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
+	16, // 14: roveapi.RoverReadings.logs:type_name -> roveapi.Log
+	18, // 15: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
+	19, // 16: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
+	20, // 17: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
+	5,  // 18: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
+	7,  // 19: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
+	11, // 20: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
+	13, // 21: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
+	15, // 22: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
+	6,  // 23: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
+	9,  // 24: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
+	12, // 25: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
+	14, // 26: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
+	21, // 27: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
+	23, // [23:28] is the sub-list for method output_type
+	18, // [18:23] is the sub-list for method input_type
+	18, // [18:18] is the sub-list for extension type_name
+	18, // [18:18] is the sub-list for extension extendee
+	0,  // [0:18] is the sub-list for field type_name
 }
 
 func init() { file_roveapi_roveapi_proto_init() }
@@ -1893,7 +1834,7 @@ func file_roveapi_roveapi_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_roveapi_roveapi_proto_rawDesc,
-			NumEnums:      6,
+			NumEnums:      5,
 			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   1,
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 2d8917e..6b9515c 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -99,7 +99,7 @@ enum CommandType {
   repair = 4;
   // Broadcasts a message to nearby rovers (requires data)
   broadcast = 5;
-  // Salvages a neighboring dormant rover for parts (requres bearing and salvage)
+  // Salvages a neighboring dormant rover for parts
   salvage = 6;
 }
 
@@ -117,13 +117,6 @@ enum Bearing {
   NorthWest = 8;
 }
 
-enum SalvageType {
-  SalvageUnknown = 0;
-
-  // Salvage a nearby rover for parts
-  SalvageParts = 1;
-}
-
 // Command is a single command for a rover
 message Command {
   // The command type
@@ -135,9 +128,6 @@ message Command {
   // move - the bearing for the rover to turn to
   // salvage - the direction of the rover
   Bearing bearing = 3;
-
-  // salvage - the type of salvage to execute
-  SalvageType salvage = 4;
 }
 
 // CommandRequest describes a set of commands to be requested for the rover
@@ -172,6 +162,9 @@ enum Object {
 
   // RockLarge is a large blocking rock
   RockLarge = 4;
+
+  // RoverParts is one unit of rover parts, used for repairing and fixing the rover
+  RoverParts = 5;
 }
 
 enum Tile {

From 524487ce149ddffb4ec39fb95950acf764e8f84c Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:27:54 +0100
Subject: [PATCH 12/58] Stop the dormant rover from being a blocking object

---
 pkg/rove/objects.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pkg/rove/objects.go b/pkg/rove/objects.go
index d5fd237..df10453 100644
--- a/pkg/rove/objects.go
+++ b/pkg/rove/objects.go
@@ -17,7 +17,6 @@ type Object struct {
 func (o *Object) IsBlocking() bool {
 	var blocking = [...]roveapi.Object{
 		roveapi.Object_RoverLive,
-		roveapi.Object_RoverDormant,
 		roveapi.Object_RockLarge,
 	}
 

From 7cccb4394f7eb0583ba603d34e1097e002149156 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:28:44 +0100
Subject: [PATCH 13/58] Fix the help text comment

---
 cmd/rove/main.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index aaca561..b3a7ed6 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -37,7 +37,7 @@ func printUsage() {
 	fmt.Fprintln(os.Stderr, "\tstash                      stores the object at the rover location in the inventory")
 	fmt.Fprintln(os.Stderr, "\trepair                     uses an inventory object to repair the rover")
 	fmt.Fprintln(os.Stderr, "\tbroadcast MSG              broadcast a simple ASCII triplet to nearby rovers")
-	fmt.Fprintln(os.Stderr, "\tsalvage                     uses an inventory object to repair the rover")
+	fmt.Fprintln(os.Stderr, "\tsalvage                    salvages a dormant rover for parts")
 	fmt.Fprintln(os.Stderr, "\nEnvironment")
 	fmt.Fprintln(os.Stderr, "\tROVE_USER_DATA             path to user data, defaults to "+defaultDataPath)
 }

From c321f88d962fcdba8de9a9e8950f6c31f8f702b5 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:39:14 +0100
Subject: [PATCH 14/58] Add code for salvage command

---
 pkg/rove/command_test.go | 28 ++++++++++++++++++++++++
 pkg/rove/world.go        | 46 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 9ca2748..9a8a35a 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -131,6 +131,34 @@ func TestCommand_Broadcast(t *testing.T) {
 	assert.Contains(t, info.Logs[len(info.Logs)-1].Text, "ABC")
 }
 
+func TestCommand_Salvage(t *testing.T) {
+	w := NewWorld(8)
+	name, err := w.SpawnRover()
+	assert.NoError(t, err)
+
+	info, err := w.GetRover(name)
+	assert.NoError(t, err)
+
+	w.Atlas.SetObject(info.Pos, Object{Type: roveapi.Object_RoverDormant})
+
+	// Enqueue the broadcast and tick
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_salvage})
+	assert.NoError(t, err)
+	w.Tick()
+
+	// Check we now have some rover parts
+	info, err = w.GetRover(name)
+	assert.NoError(t, err)
+	assert.NotEmpty(t, info.Inventory)
+	for _, i := range info.Inventory {
+		assert.Equal(t, roveapi.Object_RoverParts, i.Type)
+	}
+
+	// Check the dormant rover is gone
+	_, obj := w.Atlas.QueryPosition(info.Pos)
+	assert.Equal(t, roveapi.Object_ObjectUnknown, obj.Type)
+}
+
 func TestCommand_Invalid(t *testing.T) {
 	w := NewWorld(8)
 	name, err := w.SpawnRover()
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index de0bcae..b18f23e 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -300,6 +300,46 @@ func (w *World) RoverStash(rover string) (roveapi.Object, error) {
 	return obj.Type, nil
 }
 
+// RoverSalvage will salvage a rover for parts
+func (w *World) RoverSalvage(rover string) (roveapi.Object, error) {
+	w.worldMutex.Lock()
+	defer w.worldMutex.Unlock()
+
+	r, ok := w.Rovers[rover]
+	if !ok {
+		return roveapi.Object_ObjectUnknown, fmt.Errorf("no rover matching id")
+	}
+
+	// Can't pick up when full
+	if len(r.Inventory) >= r.Capacity {
+		r.AddLogEntryf("tried to salvage dormant rover but inventory was full")
+		return roveapi.Object_ObjectUnknown, nil
+	}
+
+	// Ensure the rover has energy
+	if r.Charge <= 0 {
+		r.AddLogEntryf("tried to salvage dormant rover but had no charge")
+		return roveapi.Object_ObjectUnknown, nil
+	}
+	r.Charge--
+
+	_, obj := w.Atlas.QueryPosition(r.Pos)
+	if obj.Type != roveapi.Object_RoverDormant {
+		r.AddLogEntryf("tried to salvage dormant rover but found no rover to salvage")
+		return roveapi.Object_ObjectUnknown, nil
+	}
+
+	r.AddLogEntryf("salvaged dormant rover")
+	for i := 0; i < 5; i++ {
+		if len(r.Inventory) == r.Capacity {
+			break
+		}
+		r.Inventory = append(r.Inventory, Object{Type: roveapi.Object_RoverParts})
+	}
+	w.Atlas.SetObject(r.Pos, Object{Type: roveapi.Object_ObjectUnknown})
+	return obj.Type, nil
+}
+
 // RoverToggle will toggle the sail position
 func (w *World) RoverToggle(rover string) (roveapi.SailPosition, error) {
 	w.worldMutex.Lock()
@@ -463,6 +503,7 @@ func (w *World) Enqueue(rover string, commands ...*roveapi.Command) error {
 		case roveapi.CommandType_toggle:
 		case roveapi.CommandType_stash:
 		case roveapi.CommandType_repair:
+		case roveapi.CommandType_salvage:
 			// Nothing to verify
 		default:
 			return fmt.Errorf("unknown command: %s", c.Command)
@@ -591,6 +632,11 @@ func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (err error) {
 			return err
 		}
 
+	case roveapi.CommandType_salvage:
+		if _, err := w.RoverSalvage(rover); err != nil {
+			return err
+		}
+
 	default:
 		return fmt.Errorf("unknown command: %s", c.Command)
 	}

From be36f0631b830f849ef0148e21ef38576e196da8 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:39:25 +0100
Subject: [PATCH 15/58] Add logs for failed stashes

---
 pkg/rove/world.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index b18f23e..a500287 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -280,11 +280,13 @@ func (w *World) RoverStash(rover string) (roveapi.Object, error) {
 
 	// Can't pick up when full
 	if len(r.Inventory) >= r.Capacity {
+		r.AddLogEntryf("tried to stash object but inventory was full")
 		return roveapi.Object_ObjectUnknown, nil
 	}
 
 	// Ensure the rover has energy
 	if r.Charge <= 0 {
+		r.AddLogEntryf("tried to stash object but had no charge")
 		return roveapi.Object_ObjectUnknown, nil
 	}
 	r.Charge--

From b0ff3eb6ea58201a657a493be7dd36c4a00a4182 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:39:33 +0100
Subject: [PATCH 16/58] Remove redundant tests (covered in command_tests)

---
 pkg/rove/world_test.go | 130 -----------------------------------------
 1 file changed, 130 deletions(-)

diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index 53be582..430d571 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -128,79 +128,6 @@ func TestWorld_RadarFromRover(t *testing.T) {
 	assert.Equal(t, objs1, objs2)
 }
 
-func TestWorld_RoverStash(t *testing.T) {
-	world := NewWorld(2)
-	a, err := world.SpawnRover()
-	assert.NoError(t, err)
-
-	pos := maths.Vector{
-		X: 0.0,
-		Y: 0.0,
-	}
-
-	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_ObjectUnknown})
-	err = world.WarpRover(a, pos)
-	assert.NoError(t, err, "Failed to set position for rover")
-
-	rover, err := world.GetRover(a)
-	assert.NoError(t, err, "Failed to get rover")
-
-	for i := 0; i < rover.Capacity; i++ {
-		// Place an object
-		world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RockSmall})
-
-		// Pick it up
-		o, err := world.RoverStash(a)
-		assert.NoError(t, err, "Failed to stash")
-		assert.Equal(t, roveapi.Object_RockSmall, o, "Failed to get correct object")
-
-		// Check it's gone
-		_, obj := world.Atlas.QueryPosition(pos)
-		assert.Equal(t, roveapi.Object_ObjectUnknown, obj.Type, "Stash failed to remove object from atlas")
-
-		// Check we have it
-		inv, err := world.RoverInventory(a)
-		assert.NoError(t, err, "Failed to get inventory")
-		assert.Equal(t, i+1, len(inv))
-		assert.Equal(t, Object{Type: roveapi.Object_RockSmall}, inv[i])
-
-		// Check that this did reduce the charge
-		info, err := world.GetRover(a)
-		assert.NoError(t, err, "Failed to get rover")
-		assert.Equal(t, info.MaximumCharge-(i+1), info.Charge, "Rover lost charge for stash")
-		assert.Contains(t, info.Logs[len(info.Logs)-1].Text, "stashed", "Rover logs should contain the move")
-	}
-
-	// Recharge the rover
-	for i := 0; i < rover.MaximumCharge; i++ {
-		_, err = world.RoverRecharge(a)
-		assert.NoError(t, err)
-
-	}
-
-	// Place an object
-	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RockSmall})
-
-	// Try to pick it up
-	o, err := world.RoverStash(a)
-	assert.NoError(t, err, "Failed to stash")
-	assert.Equal(t, roveapi.Object_ObjectUnknown, o, "Failed to get correct object")
-
-	// Check it's still there
-	_, obj := world.Atlas.QueryPosition(pos)
-	assert.Equal(t, roveapi.Object_RockSmall, obj.Type, "Stash failed to remove object from atlas")
-
-	// Check we don't have it
-	inv, err := world.RoverInventory(a)
-	assert.NoError(t, err, "Failed to get inventory")
-	assert.Equal(t, rover.Capacity, len(inv))
-
-	// Check that this didn't reduce the charge
-	info, err := world.GetRover(a)
-	assert.NoError(t, err, "Failed to get rover")
-	assert.Equal(t, info.MaximumCharge, info.Charge, "Rover lost charge for non-stash")
-}
-
 func TestWorld_RoverDamage(t *testing.T) {
 	world := NewWorld(2)
 	a, err := world.SpawnRover()
@@ -229,63 +156,6 @@ func TestWorld_RoverDamage(t *testing.T) {
 	assert.Contains(t, newinfo.Logs[len(newinfo.Logs)-1].Text, "collision", "Rover logs should contain the collision")
 }
 
-func TestWorld_RoverRepair(t *testing.T) {
-	world := NewWorld(2)
-	a, err := world.SpawnRover()
-	assert.NoError(t, err)
-
-	pos := maths.Vector{
-		X: 0.0,
-		Y: 0.0,
-	}
-
-	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_ObjectUnknown})
-
-	err = world.WarpRover(a, pos)
-	assert.NoError(t, err, "Failed to set position for rover")
-
-	originalInfo, err := world.GetRover(a)
-	assert.NoError(t, err, "couldn't get rover info")
-
-	// Pick up something to repair with
-	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RoverParts})
-	o, err := world.RoverStash(a)
-	assert.NoError(t, err, "Failed to stash")
-	assert.Equal(t, roveapi.Object_RoverParts, o, "Failed to get correct object")
-
-	world.Atlas.SetObject(maths.Vector{X: 0.0, Y: 1.0}, Object{Type: roveapi.Object_RockLarge})
-
-	// Try and bump into the rock
-	vec, err := world.TryMoveRover(a, roveapi.Bearing_North)
-	assert.NoError(t, err, "Failed to move rover")
-	assert.Equal(t, pos, vec, "Rover managed to move into large rock")
-
-	newinfo, err := world.GetRover(a)
-	assert.NoError(t, err, "couldn't get rover info")
-	assert.Equal(t, originalInfo.Integrity-1, newinfo.Integrity, "rover should have lost integrity")
-
-	err = world.ExecuteCommand(&roveapi.Command{Command: roveapi.CommandType_repair}, a)
-	assert.NoError(t, err, "Failed to repair rover")
-
-	newinfo, err = world.GetRover(a)
-	assert.NoError(t, err, "couldn't get rover info")
-	assert.Equal(t, originalInfo.Integrity, newinfo.Integrity, "rover should have gained integrity")
-	assert.Contains(t, newinfo.Logs[len(newinfo.Logs)-1].Text, "repair", "Rover logs should contain the repair")
-
-	// Check again that it can't repair past the max
-	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_RoverParts})
-	o, err = world.RoverStash(a)
-	assert.NoError(t, err, "Failed to stash")
-	assert.Equal(t, roveapi.Object_RoverParts, o, "Failed to get correct object")
-
-	err = world.ExecuteCommand(&roveapi.Command{Command: roveapi.CommandType_repair}, a)
-	assert.NoError(t, err, "Failed to repair rover")
-
-	newinfo, err = world.GetRover(a)
-	assert.NoError(t, err, "couldn't get rover info")
-	assert.Equal(t, originalInfo.Integrity, newinfo.Integrity, "rover should have kept the same integrity")
-}
-
 func TestWorld_Daytime(t *testing.T) {
 	world := NewWorld(1)
 

From edd3e5a6cbc3855ecd089c950e964ab3c70fce41 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:42:34 +0100
Subject: [PATCH 17/58] Fix test by removing object before warping rover

---
 pkg/rove/world_test.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index 430d571..e1fa700 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -138,6 +138,7 @@ func TestWorld_RoverDamage(t *testing.T) {
 		Y: 0.0,
 	}
 
+	world.Atlas.SetObject(pos, Object{Type: roveapi.Object_ObjectUnknown})
 	err = world.WarpRover(a, pos)
 	assert.NoError(t, err, "Failed to set position for rover")
 

From 5b2ea533f41081564724025b7fe7c8891d1e5819 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 19:46:32 +0100
Subject: [PATCH 18/58] Remove incorrect proto comment

---
 proto/roveapi/roveapi.proto | 1 -
 1 file changed, 1 deletion(-)

diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 6b9515c..7acedac 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -126,7 +126,6 @@ message Command {
   bytes data = 2;
 
   // move - the bearing for the rover to turn to
-  // salvage - the direction of the rover
   Bearing bearing = 3;
 }
 

From 1e4d642038660ceda198bc769c22d688efe5b7a1 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 20:01:35 +0100
Subject: [PATCH 19/58] Add rover transfer command and implementation

	Need to swap the accounts
---
 pkg/rove/world.go           |  54 +++++++++++++++++++
 proto/roveapi/roveapi.pb.go | 104 +++++++++++++++++++-----------------
 proto/roveapi/roveapi.proto |   2 +
 3 files changed, 110 insertions(+), 50 deletions(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index a500287..afe7605 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -1,6 +1,7 @@
 package rove
 
 import (
+	"encoding/json"
 	"fmt"
 	"log"
 	"math/rand"
@@ -342,6 +343,53 @@ func (w *World) RoverSalvage(rover string) (roveapi.Object, error) {
 	return obj.Type, nil
 }
 
+// RoverTransfer will transfer rover control to dormant rover
+func (w *World) RoverTransfer(rover string) (string, error) {
+	w.worldMutex.Lock()
+	defer w.worldMutex.Unlock()
+
+	oldRover, ok := w.Rovers[rover]
+	if !ok {
+		return "", fmt.Errorf("no rover matching id")
+	}
+
+	_, obj := w.Atlas.QueryPosition(oldRover.Pos)
+	if obj.Type != roveapi.Object_RoverDormant {
+		oldRover.AddLogEntryf("tried to transfer to dormant rover but found no rover")
+		return "", nil
+	}
+
+	// Unmarshal the dormant rover
+	var newRover Rover
+	err := json.Unmarshal(obj.Data, &newRover)
+	if err != nil {
+		return "", err
+	}
+
+	// Add logs
+	oldRover.AddLogEntryf("transferring to dormant rover %s", newRover.Name)
+	newRover.AddLogEntryf("transferred from rover %s", oldRover.Name)
+
+	// Marshal old rover
+	oldRoverData, err := json.Marshal(oldRover)
+	if err != nil {
+		return "", err
+	}
+
+	// Add this new rover to tracking
+	w.Rovers[newRover.Name] = &newRover
+
+	// TODO: Swap account rover to the dormant one
+
+	// Place the old rover into the world
+	w.Atlas.SetObject(oldRover.Pos, Object{Type: roveapi.Object_RoverDormant, Data: oldRoverData})
+
+	// Remove old rover from current tracking
+	delete(w.Rovers, oldRover.Name)
+
+	return newRover.Name, nil
+}
+
 // RoverToggle will toggle the sail position
 func (w *World) RoverToggle(rover string) (roveapi.SailPosition, error) {
 	w.worldMutex.Lock()
@@ -506,6 +554,7 @@ func (w *World) Enqueue(rover string, commands ...*roveapi.Command) error {
 		case roveapi.CommandType_stash:
 		case roveapi.CommandType_repair:
 		case roveapi.CommandType_salvage:
+		case roveapi.CommandType_transfer:
 			// Nothing to verify
 		default:
 			return fmt.Errorf("unknown command: %s", c.Command)
@@ -639,6 +688,11 @@ func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (err error) {
 			return err
 		}
 
+	case roveapi.CommandType_transfer:
+		if _, err := w.RoverTransfer(rover); err != nil {
+			return err
+		}
+
 	default:
 		return fmt.Errorf("unknown command: %s", c.Command)
 	}
diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index e86ab46..cc6fe07 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -51,6 +51,8 @@ const (
 	CommandType_broadcast CommandType = 5
 	// Salvages a neighboring dormant rover for parts
 	CommandType_salvage CommandType = 6
+	// Transfers remote control into dormant rover
+	CommandType_transfer CommandType = 7
 )
 
 // Enum value maps for CommandType.
@@ -63,6 +65,7 @@ var (
 		4: "repair",
 		5: "broadcast",
 		6: "salvage",
+		7: "transfer",
 	}
 	CommandType_value = map[string]int32{
 		"none":      0,
@@ -72,6 +75,7 @@ var (
 		"repair":    4,
 		"broadcast": 5,
 		"salvage":   6,
+		"transfer":  7,
 	}
 )
 
@@ -635,7 +639,6 @@ type Command struct {
 	// broadcast - a simple message, must be composed of up to 3 printable ASCII glyphs (32-126)
 	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
 	// move - the bearing for the rover to turn to
-	// salvage - the direction of the rover
 	Bearing Bearing `protobuf:"varint,3,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
 }
 
@@ -1487,61 +1490,62 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
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+	0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x72, 0x6f,
+	0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x73, 0x70,
+	0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x26, 0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
+	0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6d, 0x64, 0x69, 0x6c, 0x75, 0x7a, 0x2f, 0x72, 0x6f, 0x76, 0x65,
+	0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x62, 0x06,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 7acedac..5470e19 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -101,6 +101,8 @@ enum CommandType {
   broadcast = 5;
   // Salvages a neighboring dormant rover for parts
   salvage = 6;
+  // Transfers remote control into dormant rover
+  transfer = 7;
 }
 
 // Bearing represents a compass direction

From e840b3e47bc09e4e105aa2e89aae3fe62f15ed43 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 20:06:06 +0100
Subject: [PATCH 20/58] Move accountant into world

---
 cmd/rove-server/internal/routes.go                 | 14 +++++++-------
 cmd/rove-server/internal/server.go                 | 10 +++-------
 .../internal => pkg/accounts}/accounts.go          |  2 +-
 .../internal => pkg/accounts}/accounts_test.go     |  2 +-
 .../internal => pkg/accounts}/simpleAccountant.go  |  2 +-
 pkg/rove/world.go                                  |  5 +++++
 6 files changed, 18 insertions(+), 17 deletions(-)
 rename {cmd/rove-server/internal => pkg/accounts}/accounts.go (98%)
 rename {cmd/rove-server/internal => pkg/accounts}/accounts_test.go (98%)
 rename {cmd/rove-server/internal => pkg/accounts}/simpleAccountant.go (99%)

diff --git a/cmd/rove-server/internal/routes.go b/cmd/rove-server/internal/routes.go
index 86becd7..69dd820 100644
--- a/cmd/rove-server/internal/routes.go
+++ b/cmd/rove-server/internal/routes.go
@@ -34,7 +34,7 @@ func (s *Server) Register(ctx context.Context, req *roveapi.RegisterRequest) (*r
 		return nil, fmt.Errorf("empty account name")
 	}
 
-	if acc, err := s.accountant.RegisterAccount(req.Name); err != nil {
+	if acc, err := s.world.Accountant.RegisterAccount(req.Name); err != nil {
 		return nil, err
 
 	} else if _, err := s.SpawnRoverForAccount(req.Name); err != nil {
@@ -57,13 +57,13 @@ func (s *Server) Register(ctx context.Context, req *roveapi.RegisterRequest) (*r
 func (s *Server) Status(ctx context.Context, req *roveapi.StatusRequest) (response *roveapi.StatusResponse, err error) {
 	log.Printf("Handling status request: %s\n", req.Account.Name)
 
-	if valid, err := s.accountant.VerifySecret(req.Account.Name, req.Account.Secret); err != nil {
+	if valid, err := s.world.Accountant.VerifySecret(req.Account.Name, req.Account.Secret); err != nil {
 		return nil, err
 
 	} else if !valid {
 		return nil, fmt.Errorf("Secret incorrect for account %s", req.Account.Name)
 
-	} else if resp, err := s.accountant.GetValue(req.Account.Name, "rover"); err != nil {
+	} else if resp, err := s.world.Accountant.GetValue(req.Account.Name, "rover"); err != nil {
 		return nil, err
 
 	} else if rover, err := s.world.GetRover(resp); err != nil {
@@ -117,7 +117,7 @@ func (s *Server) Status(ctx context.Context, req *roveapi.StatusRequest) (respon
 func (s *Server) Radar(ctx context.Context, req *roveapi.RadarRequest) (*roveapi.RadarResponse, error) {
 	log.Printf("Handling radar request: %s\n", req.Account.Name)
 
-	if valid, err := s.accountant.VerifySecret(req.Account.Name, req.Account.Secret); err != nil {
+	if valid, err := s.world.Accountant.VerifySecret(req.Account.Name, req.Account.Secret); err != nil {
 		return nil, err
 
 	} else if !valid {
@@ -126,7 +126,7 @@ func (s *Server) Radar(ctx context.Context, req *roveapi.RadarRequest) (*roveapi
 
 	response := &roveapi.RadarResponse{}
 
-	resp, err := s.accountant.GetValue(req.Account.Name, "rover")
+	resp, err := s.world.Accountant.GetValue(req.Account.Name, "rover")
 	if err != nil {
 		return nil, err
 
@@ -149,14 +149,14 @@ func (s *Server) Radar(ctx context.Context, req *roveapi.RadarRequest) (*roveapi
 func (s *Server) Command(ctx context.Context, req *roveapi.CommandRequest) (*roveapi.CommandResponse, error) {
 	log.Printf("Handling command request: %s and %+v\n", req.Account.Name, req.Commands)
 
-	if valid, err := s.accountant.VerifySecret(req.Account.Name, req.Account.Secret); err != nil {
+	if valid, err := s.world.Accountant.VerifySecret(req.Account.Name, req.Account.Secret); err != nil {
 		return nil, err
 
 	} else if !valid {
 		return nil, fmt.Errorf("Secret incorrect for account %s", req.Account.Name)
 	}
 
-	resp, err := s.accountant.GetValue(req.Account.Name, "rover")
+	resp, err := s.world.Accountant.GetValue(req.Account.Name, "rover")
 	if err != nil {
 		return nil, err
 	}
diff --git a/cmd/rove-server/internal/server.go b/cmd/rove-server/internal/server.go
index 786eb00..564656e 100644
--- a/cmd/rove-server/internal/server.go
+++ b/cmd/rove-server/internal/server.go
@@ -27,9 +27,6 @@ type Server struct {
 	// Internal state
 	world *rove.World
 
-	// Accountant
-	accountant Accountant
-
 	// gRPC server
 	netListener net.Listener
 	grpcServ    *grpc.Server
@@ -80,7 +77,6 @@ func NewServer(opts ...ServerOption) *Server {
 		persistence: EphemeralData,
 		schedule:    cron.New(),
 		world:       rove.NewWorld(32),
-		accountant:  NewSimpleAccountant(),
 	}
 
 	// Apply all options
@@ -188,7 +184,7 @@ func (s *Server) SaveWorld() error {
 	if s.persistence == PersistentData {
 		s.world.RLock()
 		defer s.world.RUnlock()
-		if err := persistence.SaveAll("world", s.world, "accounts", s.accountant); err != nil {
+		if err := persistence.SaveAll("world", s.world); err != nil {
 			return fmt.Errorf("failed to save out persistent data: %s", err)
 		}
 	}
@@ -200,7 +196,7 @@ func (s *Server) LoadWorld() error {
 	if s.persistence == PersistentData {
 		s.world.Lock()
 		defer s.world.Unlock()
-		if err := persistence.LoadAll("world", &s.world, "accounts", &s.accountant); err != nil {
+		if err := persistence.LoadAll("world", &s.world); err != nil {
 			return err
 		}
 	}
@@ -214,7 +210,7 @@ func (s *Server) SpawnRoverForAccount(account string) (string, error) {
 		return "", err
 	}
 
-	err = s.accountant.AssignData(account, "rover", inst)
+	err = s.world.Accountant.AssignData(account, "rover", inst)
 	if err != nil {
 		log.Printf("Failed to assign rover to account, %s", err)
 
diff --git a/cmd/rove-server/internal/accounts.go b/pkg/accounts/accounts.go
similarity index 98%
rename from cmd/rove-server/internal/accounts.go
rename to pkg/accounts/accounts.go
index 9ae6db9..eb8637d 100644
--- a/cmd/rove-server/internal/accounts.go
+++ b/pkg/accounts/accounts.go
@@ -1,4 +1,4 @@
-package internal
+package accounts
 
 // Accountant decribes something that stores accounts and account values
 type Accountant interface {
diff --git a/cmd/rove-server/internal/accounts_test.go b/pkg/accounts/accounts_test.go
similarity index 98%
rename from cmd/rove-server/internal/accounts_test.go
rename to pkg/accounts/accounts_test.go
index 9e7891f..bd2416f 100644
--- a/cmd/rove-server/internal/accounts_test.go
+++ b/pkg/accounts/accounts_test.go
@@ -1,4 +1,4 @@
-package internal
+package accounts
 
 import (
 	"testing"
diff --git a/cmd/rove-server/internal/simpleAccountant.go b/pkg/accounts/simpleAccountant.go
similarity index 99%
rename from cmd/rove-server/internal/simpleAccountant.go
rename to pkg/accounts/simpleAccountant.go
index 611ff59..9d6c43f 100644
--- a/cmd/rove-server/internal/simpleAccountant.go
+++ b/pkg/accounts/simpleAccountant.go
@@ -1,4 +1,4 @@
-package internal
+package accounts
 
 import (
 	"fmt"
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index afe7605..0d828ae 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -7,6 +7,7 @@ import (
 	"math/rand"
 	"sync"
 
+	"github.com/mdiluz/rove/pkg/accounts"
 	"github.com/mdiluz/rove/pkg/maths"
 	"github.com/mdiluz/rove/proto/roveapi"
 )
@@ -40,6 +41,9 @@ type World struct {
 	// Commands is the set of currently executing command streams per rover
 	CommandQueue map[string]CommandStream
 
+	// Accountant
+	Accountant accounts.Accountant
+
 	// Mutex to lock around all world operations
 	worldMutex sync.RWMutex
 	// Mutex to lock around command operations
@@ -54,6 +58,7 @@ func NewWorld(chunkSize int) *World {
 		Atlas:        NewChunkAtlas(chunkSize),
 		TicksPerDay:  24,
 		CurrentTicks: 0,
+		Accountant:   accounts.NewSimpleAccountant(),
 	}
 }
 

From 6f2d67bd7c14e312cc5b44acef62addd2a8aa93e Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 22:22:32 +0100
Subject: [PATCH 21/58] Tag rovers by the controlling account

---
 cmd/rove-server/internal/server.go |  2 +-
 pkg/rove/command_test.go           | 14 +++++++-------
 pkg/rove/rover.go                  |  3 +++
 pkg/rove/world.go                  | 12 ++++++++++--
 pkg/rove/world_test.go             | 26 +++++++++++++-------------
 5 files changed, 34 insertions(+), 23 deletions(-)

diff --git a/cmd/rove-server/internal/server.go b/cmd/rove-server/internal/server.go
index 564656e..42392f3 100644
--- a/cmd/rove-server/internal/server.go
+++ b/cmd/rove-server/internal/server.go
@@ -205,7 +205,7 @@ func (s *Server) LoadWorld() error {
 
 // SpawnRoverForAccount spawns the rover rover for an account
 func (s *Server) SpawnRoverForAccount(account string) (string, error) {
-	inst, err := s.world.SpawnRover()
+	inst, err := s.world.SpawnRover(account)
 	if err != nil {
 		return "", err
 	}
diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 9a8a35a..6560e53 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -10,7 +10,7 @@ import (
 
 func TestCommand_Toggle(t *testing.T) {
 	w := NewWorld(8)
-	a, err := w.SpawnRover()
+	a, err := w.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	r, err := w.GetRover(a)
@@ -36,7 +36,7 @@ func TestCommand_Toggle(t *testing.T) {
 
 func TestCommand_Turn(t *testing.T) {
 	w := NewWorld(8)
-	a, err := w.SpawnRover()
+	a, err := w.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	err = w.Enqueue(a, &roveapi.Command{Command: roveapi.CommandType_turn, Bearing: roveapi.Bearing_NorthWest})
@@ -50,7 +50,7 @@ func TestCommand_Turn(t *testing.T) {
 
 func TestCommand_Stash(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover()
+	name, err := w.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	info, err := w.GetRover(name)
@@ -78,7 +78,7 @@ func TestCommand_Stash(t *testing.T) {
 
 func TestCommand_Repair(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover()
+	name, err := w.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	info, err := w.GetRover(name)
@@ -118,7 +118,7 @@ func TestCommand_Repair(t *testing.T) {
 
 func TestCommand_Broadcast(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover()
+	name, err := w.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	// Enqueue the broadcast and tick
@@ -133,7 +133,7 @@ func TestCommand_Broadcast(t *testing.T) {
 
 func TestCommand_Salvage(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover()
+	name, err := w.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	info, err := w.GetRover(name)
@@ -161,7 +161,7 @@ func TestCommand_Salvage(t *testing.T) {
 
 func TestCommand_Invalid(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover()
+	name, err := w.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_none})
diff --git a/pkg/rove/rover.go b/pkg/rove/rover.go
index ce0edcd..d0fb9cb 100644
--- a/pkg/rove/rover.go
+++ b/pkg/rove/rover.go
@@ -66,6 +66,9 @@ type Rover struct {
 
 	// Logs Stores log of information
 	Logs []RoverLogEntry
+
+	// The account that owns this rover
+	Owner string
 }
 
 // DefaultRover returns a default rover object with default settings
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 0d828ae..922ab70 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -63,13 +63,16 @@ func NewWorld(chunkSize int) *World {
 }
 
 // SpawnRover adds an rover to the game
-func (w *World) SpawnRover() (string, error) {
+func (w *World) SpawnRover(account string) (string, error) {
 	w.worldMutex.Lock()
 	defer w.worldMutex.Unlock()
 
 	// Initialise the rover
 	rover := DefaultRover()
 
+	// Assign the owner
+	rover.Owner = account
+
 	// Spawn in a random place near the origin
 	rover.Pos = maths.Vector{
 		X: 10 - rand.Intn(20),
@@ -375,6 +378,9 @@ func (w *World) RoverTransfer(rover string) (string, error) {
 	oldRover.AddLogEntryf("transferring to dormant rover %s", newRover.Name)
 	newRover.AddLogEntryf("transferred from rover %s", oldRover.Name)
 
+	// Clear the old owner
+	oldRover.Owner = ""
+
 	// Marshal old rover
 	oldRoverData, err := json.Marshal(oldRover)
 	if err != nil {
@@ -384,7 +390,9 @@ func (w *World) RoverTransfer(rover string) (string, error) {
 	// Add this new rover to tracking
 	w.Rovers[newRover.Name] = &newRover
 
-	// TODO: Swap account rover to the dormant one
+	// Swap account rover to the dormant one
+	newRover.Owner = oldRover.Owner
+	w.Accountant.AssignData(oldRover.Owner, "rover", newRover.Name)
 
 	// Place the old rover into the world
 	w.Atlas.SetObject(oldRover.Pos, Object{Type: roveapi.Object_RoverDormant, Data: oldRoverData})
diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index e1fa700..d0c4c01 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -18,9 +18,9 @@ func TestNewWorld(t *testing.T) {
 
 func TestWorld_CreateRover(t *testing.T) {
 	world := NewWorld(8)
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
-	b, err := world.SpawnRover()
+	b, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	// Basic duplicate check
@@ -33,7 +33,7 @@ func TestWorld_CreateRover(t *testing.T) {
 
 func TestWorld_GetRover(t *testing.T) {
 	world := NewWorld(4)
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	rover, err := world.GetRover(a)
@@ -44,9 +44,9 @@ func TestWorld_GetRover(t *testing.T) {
 
 func TestWorld_DestroyRover(t *testing.T) {
 	world := NewWorld(1)
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
-	b, err := world.SpawnRover()
+	b, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	err = world.DestroyRover(a)
@@ -62,7 +62,7 @@ func TestWorld_DestroyRover(t *testing.T) {
 
 func TestWorld_GetSetMovePosition(t *testing.T) {
 	world := NewWorld(4)
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	pos := maths.Vector{
@@ -97,9 +97,9 @@ func TestWorld_GetSetMovePosition(t *testing.T) {
 func TestWorld_RadarFromRover(t *testing.T) {
 	// Create world that should have visible walls on the radar
 	world := NewWorld(2)
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
-	b, err := world.SpawnRover()
+	b, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	// Warp the rovers into position
@@ -130,7 +130,7 @@ func TestWorld_RadarFromRover(t *testing.T) {
 
 func TestWorld_RoverDamage(t *testing.T) {
 	world := NewWorld(2)
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	pos := maths.Vector{
@@ -160,7 +160,7 @@ func TestWorld_RoverDamage(t *testing.T) {
 func TestWorld_Daytime(t *testing.T) {
 	world := NewWorld(1)
 
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	// Remove rover charge
@@ -199,10 +199,10 @@ func TestWorld_Daytime(t *testing.T) {
 func TestWorld_Broadcast(t *testing.T) {
 	world := NewWorld(8)
 
-	a, err := world.SpawnRover()
+	a, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
-	b, err := world.SpawnRover()
+	b, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	// Warp rovers near to eachother
@@ -265,7 +265,7 @@ func TestWorld_Sailing(t *testing.T) {
 	world.Tick()                       // One initial tick to set the wind direction the first time
 	world.Wind = roveapi.Bearing_North // Set the wind direction to north
 
-	name, err := world.SpawnRover()
+	name, err := world.SpawnRover("tmp")
 	assert.NoError(t, err)
 
 	// Warp the rover to 0,0 after clearing it

From fdfcc88540587ead99d016ebf9e0e69c5e78ddb6 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 22:50:35 +0100
Subject: [PATCH 22/58] Move the account registration into the world

---
 cmd/rove-server/internal/server.go | 12 ------------
 pkg/rove/world.go                  |  2 +-
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/cmd/rove-server/internal/server.go b/cmd/rove-server/internal/server.go
index 42392f3..7debe0a 100644
--- a/cmd/rove-server/internal/server.go
+++ b/cmd/rove-server/internal/server.go
@@ -210,17 +210,5 @@ func (s *Server) SpawnRoverForAccount(account string) (string, error) {
 		return "", err
 	}
 
-	err = s.world.Accountant.AssignData(account, "rover", inst)
-	if err != nil {
-		log.Printf("Failed to assign rover to account, %s", err)
-
-		// Try and clear up the rover
-		if err := s.world.DestroyRover(inst); err != nil {
-			log.Printf("Failed to destroy rover after failed rover assign: %s", err)
-		}
-
-		return "", err
-	}
-
 	return inst, nil
 }
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 922ab70..09d271a 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -97,7 +97,7 @@ func (w *World) SpawnRover(account string) (string, error) {
 	// Append the rover to the list
 	w.Rovers[rover.Name] = rover
 
-	return rover.Name, nil
+	return rover.Name, w.Accountant.AssignData(account, "rover", rover.Name)
 }
 
 // GetRover gets a specific rover by name

From 57621d169aaa0669484eef832f9ee8f3678f5176 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 22:50:47 +0100
Subject: [PATCH 23/58] Implement a test for transfer and fix bugs

---
 pkg/rove/command_test.go | 52 ++++++++++++++++++++++++++++++++++++++++
 pkg/rove/world.go        | 27 +++++++++++----------
 2 files changed, 66 insertions(+), 13 deletions(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 6560e53..13b95bf 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -1,6 +1,7 @@
 package rove
 
 import (
+	"encoding/json"
 	"testing"
 
 	"github.com/mdiluz/rove/pkg/maths"
@@ -159,6 +160,57 @@ func TestCommand_Salvage(t *testing.T) {
 	assert.Equal(t, roveapi.Object_ObjectUnknown, obj.Type)
 }
 
+func TestCommand_Transfer(t *testing.T) {
+	w := NewWorld(8)
+	acc, err := w.Accountant.RegisterAccount("tmp")
+	assert.NoError(t, err)
+	nameA, err := w.SpawnRover(acc.Name)
+	assert.NoError(t, err)
+
+	infoA, err := w.GetRover(nameA)
+	assert.NoError(t, err)
+
+	// Drop a dormant rover on the current position
+	infoB := DefaultRover()
+	infoB.Name = "abc"
+	infoB.Pos = infoA.Pos
+	data, err := json.Marshal(infoB)
+	assert.NoError(t, err)
+	w.Atlas.SetObject(infoA.Pos, Object{Type: roveapi.Object_RoverDormant, Data: data})
+
+	// Enqueue a transfer as well as a dud command
+	err = w.Enqueue(nameA,
+		&roveapi.Command{Command: roveapi.CommandType_transfer},
+		&roveapi.Command{Command: roveapi.CommandType_broadcast, Data: []byte("xyz")})
+	assert.NoError(t, err)
+	w.Tick()
+
+	// Ensure both command queues are empty
+	assert.Empty(t, w.CommandQueue[nameA])
+	assert.Empty(t, w.CommandQueue[infoB.Name])
+
+	// Verify the account now controls the new rover
+	accountRover, err := w.Accountant.GetValue(acc.Name, "rover")
+	assert.NoError(t, err)
+	assert.Equal(t, infoB.Name, accountRover)
+
+	// Verify the position now has a dormant rover
+	_, obj := w.Atlas.QueryPosition(infoA.Pos)
+	assert.Equal(t, roveapi.Object_RoverDormant, obj.Type)
+
+	// Verify the stored data matches
+	var stored Rover
+	err = json.Unmarshal(obj.Data, &stored)
+	assert.NoError(t, err)
+	assert.Equal(t, infoA.Name, stored.Name)
+
+	// Verify the new rover data matches what we put in
+	infoB2, err := w.GetRover(infoB.Name)
+	assert.NoError(t, err)
+	assert.Equal(t, infoB.Name, infoB2.Name)
+
+}
+
 func TestCommand_Invalid(t *testing.T) {
 	w := NewWorld(8)
 	name, err := w.SpawnRover("tmp")
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 09d271a..bf68395 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -378,28 +378,26 @@ func (w *World) RoverTransfer(rover string) (string, error) {
 	oldRover.AddLogEntryf("transferring to dormant rover %s", newRover.Name)
 	newRover.AddLogEntryf("transferred from rover %s", oldRover.Name)
 
-	// Clear the old owner
+	// Transfer the ownership
+	w.Accountant.AssignData(oldRover.Owner, "rover", newRover.Name)
+	newRover.Owner = oldRover.Owner
 	oldRover.Owner = ""
 
-	// Marshal old rover
+	// Place the old rover in the world
 	oldRoverData, err := json.Marshal(oldRover)
 	if err != nil {
 		return "", err
 	}
-
-	// Add this new rover to tracking
-	w.Rovers[newRover.Name] = &newRover
-
-	// Swap account rover to the dormant one
-	newRover.Owner = oldRover.Owner
-	w.Accountant.AssignData(oldRover.Owner, "rover", newRover.Name)
-
-	// Place the old rover into the world
 	w.Atlas.SetObject(oldRover.Pos, Object{Type: roveapi.Object_RoverDormant, Data: oldRoverData})
 
-	// Remove old rover from current tracking
+	// Swap the rovers in the tracking
+	w.Rovers[newRover.Name] = &newRover
 	delete(w.Rovers, oldRover.Name)
 
+	// Clear the command queues for both rovers
+	delete(w.CommandQueue, oldRover.Name)
+	delete(w.CommandQueue, newRover.Name)
+
 	return newRover.Name, nil
 }
 
@@ -599,7 +597,10 @@ func (w *World) Tick() {
 			}
 
 			// Extract the first command in the queue
-			w.CommandQueue[rover] = cmds[1:]
+			// Only if the command queue still has entries
+			if _, ok := w.CommandQueue[rover]; ok {
+				w.CommandQueue[rover] = cmds[1:]
+			}
 
 		} else {
 			// Clean out the empty entry

From a93ce97b0bcfe4e21331e6d0d31f3b00a5e3805b Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 22:54:06 +0100
Subject: [PATCH 24/58] Only assign rovers to accounts if given an account

---
 pkg/rove/command_test.go | 14 +++++++-------
 pkg/rove/world.go        |  8 +++++++-
 pkg/rove/world_test.go   | 26 +++++++++++++-------------
 3 files changed, 27 insertions(+), 21 deletions(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 13b95bf..935e35d 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -11,7 +11,7 @@ import (
 
 func TestCommand_Toggle(t *testing.T) {
 	w := NewWorld(8)
-	a, err := w.SpawnRover("tmp")
+	a, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
 	r, err := w.GetRover(a)
@@ -37,7 +37,7 @@ func TestCommand_Toggle(t *testing.T) {
 
 func TestCommand_Turn(t *testing.T) {
 	w := NewWorld(8)
-	a, err := w.SpawnRover("tmp")
+	a, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
 	err = w.Enqueue(a, &roveapi.Command{Command: roveapi.CommandType_turn, Bearing: roveapi.Bearing_NorthWest})
@@ -51,7 +51,7 @@ func TestCommand_Turn(t *testing.T) {
 
 func TestCommand_Stash(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover("tmp")
+	name, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
 	info, err := w.GetRover(name)
@@ -79,7 +79,7 @@ func TestCommand_Stash(t *testing.T) {
 
 func TestCommand_Repair(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover("tmp")
+	name, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
 	info, err := w.GetRover(name)
@@ -119,7 +119,7 @@ func TestCommand_Repair(t *testing.T) {
 
 func TestCommand_Broadcast(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover("tmp")
+	name, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
 	// Enqueue the broadcast and tick
@@ -134,7 +134,7 @@ func TestCommand_Broadcast(t *testing.T) {
 
 func TestCommand_Salvage(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover("tmp")
+	name, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
 	info, err := w.GetRover(name)
@@ -213,7 +213,7 @@ func TestCommand_Transfer(t *testing.T) {
 
 func TestCommand_Invalid(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover("tmp")
+	name, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
 	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_none})
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index bf68395..3d651da 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -97,7 +97,13 @@ func (w *World) SpawnRover(account string) (string, error) {
 	// Append the rover to the list
 	w.Rovers[rover.Name] = rover
 
-	return rover.Name, w.Accountant.AssignData(account, "rover", rover.Name)
+	var err error
+	// Only assign if we've been given an account
+	if len(account) > 0 {
+		err = w.Accountant.AssignData(account, "rover", rover.Name)
+	}
+
+	return rover.Name, err
 }
 
 // GetRover gets a specific rover by name
diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index d0c4c01..747a891 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -18,9 +18,9 @@ func TestNewWorld(t *testing.T) {
 
 func TestWorld_CreateRover(t *testing.T) {
 	world := NewWorld(8)
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
-	b, err := world.SpawnRover("tmp")
+	b, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	// Basic duplicate check
@@ -33,7 +33,7 @@ func TestWorld_CreateRover(t *testing.T) {
 
 func TestWorld_GetRover(t *testing.T) {
 	world := NewWorld(4)
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	rover, err := world.GetRover(a)
@@ -44,9 +44,9 @@ func TestWorld_GetRover(t *testing.T) {
 
 func TestWorld_DestroyRover(t *testing.T) {
 	world := NewWorld(1)
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
-	b, err := world.SpawnRover("tmp")
+	b, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	err = world.DestroyRover(a)
@@ -62,7 +62,7 @@ func TestWorld_DestroyRover(t *testing.T) {
 
 func TestWorld_GetSetMovePosition(t *testing.T) {
 	world := NewWorld(4)
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	pos := maths.Vector{
@@ -97,9 +97,9 @@ func TestWorld_GetSetMovePosition(t *testing.T) {
 func TestWorld_RadarFromRover(t *testing.T) {
 	// Create world that should have visible walls on the radar
 	world := NewWorld(2)
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
-	b, err := world.SpawnRover("tmp")
+	b, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	// Warp the rovers into position
@@ -130,7 +130,7 @@ func TestWorld_RadarFromRover(t *testing.T) {
 
 func TestWorld_RoverDamage(t *testing.T) {
 	world := NewWorld(2)
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	pos := maths.Vector{
@@ -160,7 +160,7 @@ func TestWorld_RoverDamage(t *testing.T) {
 func TestWorld_Daytime(t *testing.T) {
 	world := NewWorld(1)
 
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	// Remove rover charge
@@ -199,10 +199,10 @@ func TestWorld_Daytime(t *testing.T) {
 func TestWorld_Broadcast(t *testing.T) {
 	world := NewWorld(8)
 
-	a, err := world.SpawnRover("tmp")
+	a, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
-	b, err := world.SpawnRover("tmp")
+	b, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	// Warp rovers near to eachother
@@ -265,7 +265,7 @@ func TestWorld_Sailing(t *testing.T) {
 	world.Tick()                       // One initial tick to set the wind direction the first time
 	world.Wind = roveapi.Bearing_North // Set the wind direction to north
 
-	name, err := world.SpawnRover("tmp")
+	name, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
 	// Warp the rover to 0,0 after clearing it

From a0e04b7e3a287ee842d9240edd57f18e7e4271d3 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 22:56:35 +0100
Subject: [PATCH 25/58] Placed dormant world rovers randomly have better base
 stats

---
 pkg/rove/worldgen.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkg/rove/worldgen.go b/pkg/rove/worldgen.go
index e36b7b6..724837d 100644
--- a/pkg/rove/worldgen.go
+++ b/pkg/rove/worldgen.go
@@ -3,6 +3,7 @@ package rove
 import (
 	"encoding/json"
 	"log"
+	"math/rand"
 
 	"github.com/mdiluz/rove/pkg/maths"
 	"github.com/mdiluz/rove/proto/roveapi"
@@ -76,6 +77,12 @@ func (g *NoiseWorldGen) GetObject(v maths.Vector) (obj Object) {
 		// Set the rover variables
 		r.Pos = v
 
+		// Upgrade this rover randomly
+		r.MaximumCharge += rand.Int() % 3
+		r.MaximumIntegrity += rand.Int() % 3
+		r.Capacity += rand.Int() % 3
+		r.Range += rand.Int() % 3
+
 		// For now, mark the log as corrupted
 		r.AddLogEntryf("log corrupted")
 

From 7be0f83c5ea64bdcaf3635bc747e664fb54eaf20 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 22:58:59 +0100
Subject: [PATCH 26/58] Fix golanglint missing error check

---
 pkg/rove/world.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 3d651da..27ded3b 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -385,7 +385,10 @@ func (w *World) RoverTransfer(rover string) (string, error) {
 	newRover.AddLogEntryf("transferred from rover %s", oldRover.Name)
 
 	// Transfer the ownership
-	w.Accountant.AssignData(oldRover.Owner, "rover", newRover.Name)
+	err = w.Accountant.AssignData(oldRover.Owner, "rover", newRover.Name)
+	if err != nil {
+		return "", err
+	}
 	newRover.Owner = oldRover.Owner
 	oldRover.Owner = ""
 

From 5d4fd801c108607b07979eaade39dc05333a9bab Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Fri, 24 Jul 2020 23:22:46 +0100
Subject: [PATCH 27/58] Add the starting wind as north and ensure it's only
 updated the next day

---
 pkg/rove/world.go | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 27ded3b..7e22323 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -59,6 +59,7 @@ func NewWorld(chunkSize int) *World {
 		TicksPerDay:  24,
 		CurrentTicks: 0,
 		Accountant:   accounts.NewSimpleAccountant(),
+		Wind:         roveapi.Bearing_North,
 	}
 }
 
@@ -617,11 +618,6 @@ func (w *World) Tick() {
 		}
 	}
 
-	// Change the wind every day
-	if (w.CurrentTicks % w.TicksPerDay) == 0 {
-		w.Wind = roveapi.Bearing((rand.Int() % 8) + 1) // Random cardinal bearing
-	}
-
 	// Move all the rovers based on current wind and sails
 	for n, r := range w.Rovers {
 		// Skip if we're not catching the wind
@@ -675,6 +671,11 @@ func (w *World) Tick() {
 
 	// Increment the current tick count
 	w.CurrentTicks++
+
+	// Change the wind every day
+	if (w.CurrentTicks % w.TicksPerDay) == 0 {
+		w.Wind = roveapi.Bearing((rand.Int() % 8) + 1) // Random cardinal bearing
+	}
 }
 
 // ExecuteCommand will execute a single command

From f9b3ce3edbd6087987c1b79dae97568f33f973db Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 25 Jul 2020 23:13:05 +0100
Subject: [PATCH 28/58] Destroy the rover when it has 0 integrity

---
 pkg/rove/world.go      | 44 +++++++++++++++++++++++++++++++++---------
 pkg/rove/world_test.go | 20 +++++++++++++++++--
 2 files changed, 53 insertions(+), 11 deletions(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 7e22323..ea1fdd3 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -67,7 +67,11 @@ func NewWorld(chunkSize int) *World {
 func (w *World) SpawnRover(account string) (string, error) {
 	w.worldMutex.Lock()
 	defer w.worldMutex.Unlock()
+	return w.spawnRover(account)
+}
 
+// spawnRover adds an rover to the game (without lock)
+func (w *World) spawnRover(account string) (string, error) {
 	// Initialise the rover
 	rover := DefaultRover()
 
@@ -176,17 +180,28 @@ func (w *World) RoverBroadcast(rover string, message []byte) (err error) {
 	return
 }
 
-// DestroyRover Removes an rover from the game
-func (w *World) DestroyRover(rover string) error {
-	w.worldMutex.Lock()
-	defer w.worldMutex.Unlock()
-
-	_, ok := w.Rovers[rover]
+// destroyRover Removes an rover from the game
+func (w *World) destroyRover(rover string) error {
+	r, ok := w.Rovers[rover]
 	if !ok {
 		return fmt.Errorf("no rover matching id")
 	}
 
+	// Remove this rover from tracked rovers
 	delete(w.Rovers, rover)
+
+	r.Owner = ""
+	r.AddLogEntryf("rover destroyed")
+
+	// Marshal the rover data
+	data, err := json.Marshal(r)
+	if err != nil {
+		return err
+	}
+
+	// Place the dormant rover down
+	w.Atlas.SetObject(r.Pos, Object{Type: roveapi.Object_RoverDormant, Data: data})
+
 	return nil
 }
 
@@ -276,9 +291,20 @@ func (w *World) TryMoveRover(rover string, b roveapi.Bearing) (maths.Vector, err
 		i.AddLogEntryf("tried to move %s to %+v", b.String(), newPos)
 		i.Integrity = i.Integrity - 1
 		i.AddLogEntryf("had a collision, new integrity %d", i.Integrity)
-		// TODO: The rover needs to be left dormant with the player
-		//if i.Integrity == 0 {
-		//}
+
+		if i.Integrity == 0 {
+			// The rover has died destroy it
+			err := w.destroyRover(rover)
+			if err != nil {
+				return maths.Vector{}, err
+			}
+
+			// Spawn a new one for this account
+			_, err = w.spawnRover(i.Owner)
+			if err != nil {
+				return maths.Vector{}, err
+			}
+		}
 	}
 
 	return i.Pos, nil
diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index 747a891..8363c0b 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -49,7 +49,7 @@ func TestWorld_DestroyRover(t *testing.T) {
 	b, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
-	err = world.DestroyRover(a)
+	err = world.destroyRover(a)
 	assert.NoError(t, err, "Error returned from rover destroy")
 
 	// Basic duplicate check
@@ -130,7 +130,9 @@ func TestWorld_RadarFromRover(t *testing.T) {
 
 func TestWorld_RoverDamage(t *testing.T) {
 	world := NewWorld(2)
-	a, err := world.SpawnRover("")
+	acc, err := world.Accountant.RegisterAccount("tmp")
+	assert.NoError(t, err)
+	a, err := world.SpawnRover(acc.Name)
 	assert.NoError(t, err)
 
 	pos := maths.Vector{
@@ -155,6 +157,20 @@ func TestWorld_RoverDamage(t *testing.T) {
 	assert.NoError(t, err, "couldn't get rover info")
 	assert.Equal(t, info.Integrity-1, newinfo.Integrity, "rover should have lost integrity")
 	assert.Contains(t, newinfo.Logs[len(newinfo.Logs)-1].Text, "collision", "Rover logs should contain the collision")
+
+	// Keep moving to damage the rover
+	for i := 0; i < info.Integrity-1; i++ {
+		vec, err := world.TryMoveRover(a, roveapi.Bearing_North)
+		assert.NoError(t, err, "Failed to move rover")
+		assert.Equal(t, pos, vec, "Rover managed to move into large rock")
+	}
+
+	// Rover should have been destroyed now
+	_, err = world.GetRover(a)
+	assert.Error(t, err)
+
+	_, obj := world.Atlas.QueryPosition(info.Pos)
+	assert.Equal(t, roveapi.Object_RoverDormant, obj.Type)
 }
 
 func TestWorld_Daytime(t *testing.T) {

From cd97220a11969c3219fa8f9ea965d6d4631d3295 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 25 Jul 2020 23:18:21 +0100
Subject: [PATCH 29/58] Perform rover destruction during the main server tick

---
 pkg/rove/world.go      | 46 +++++++++++++++++++++++-------------------
 pkg/rove/world_test.go |  5 ++++-
 2 files changed, 29 insertions(+), 22 deletions(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index ea1fdd3..dc163f3 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -63,15 +63,11 @@ func NewWorld(chunkSize int) *World {
 	}
 }
 
-// SpawnRover adds an rover to the game
+// SpawnRover adds an rover to the game (without lock)
 func (w *World) SpawnRover(account string) (string, error) {
 	w.worldMutex.Lock()
 	defer w.worldMutex.Unlock()
-	return w.spawnRover(account)
-}
 
-// spawnRover adds an rover to the game (without lock)
-func (w *World) spawnRover(account string) (string, error) {
 	// Initialise the rover
 	rover := DefaultRover()
 
@@ -180,8 +176,11 @@ func (w *World) RoverBroadcast(rover string, message []byte) (err error) {
 	return
 }
 
-// destroyRover Removes an rover from the game
-func (w *World) destroyRover(rover string) error {
+// DestroyRover Removes an rover from the game
+func (w *World) DestroyRover(rover string) error {
+	w.worldMutex.Lock()
+	defer w.worldMutex.Unlock()
+
 	r, ok := w.Rovers[rover]
 	if !ok {
 		return fmt.Errorf("no rover matching id")
@@ -291,20 +290,6 @@ func (w *World) TryMoveRover(rover string, b roveapi.Bearing) (maths.Vector, err
 		i.AddLogEntryf("tried to move %s to %+v", b.String(), newPos)
 		i.Integrity = i.Integrity - 1
 		i.AddLogEntryf("had a collision, new integrity %d", i.Integrity)
-
-		if i.Integrity == 0 {
-			// The rover has died destroy it
-			err := w.destroyRover(rover)
-			if err != nil {
-				return maths.Vector{}, err
-			}
-
-			// Spawn a new one for this account
-			_, err = w.spawnRover(i.Owner)
-			if err != nil {
-				return maths.Vector{}, err
-			}
-		}
 	}
 
 	return i.Pos, nil
@@ -695,6 +680,25 @@ func (w *World) Tick() {
 		}
 	}
 
+	// Check all rover integrities
+	for _, r := range w.Rovers {
+		if r.Integrity <= 0 {
+			// The rover has died destroy it
+			err := w.DestroyRover(r.Name)
+			if err != nil {
+				log.Println(err)
+				// TODO: Report this error somehow
+			}
+
+			// Spawn a new one for this account
+			_, err = w.SpawnRover(r.Owner)
+			if err != nil {
+				log.Println(err)
+				// TODO: Report this error somehow
+			}
+		}
+	}
+
 	// Increment the current tick count
 	w.CurrentTicks++
 
diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index 8363c0b..afc8f53 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -49,7 +49,7 @@ func TestWorld_DestroyRover(t *testing.T) {
 	b, err := world.SpawnRover("")
 	assert.NoError(t, err)
 
-	err = world.destroyRover(a)
+	err = world.DestroyRover(a)
 	assert.NoError(t, err, "Error returned from rover destroy")
 
 	// Basic duplicate check
@@ -165,6 +165,9 @@ func TestWorld_RoverDamage(t *testing.T) {
 		assert.Equal(t, pos, vec, "Rover managed to move into large rock")
 	}
 
+	// Tick the world to check for rover deaths
+	world.Tick()
+
 	// Rover should have been destroyed now
 	_, err = world.GetRover(a)
 	assert.Error(t, err)

From 113090fbcb5b041d46709804a8ea1a89566f76ab Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 25 Jul 2020 23:39:13 +0100
Subject: [PATCH 30/58] Fix bug where we were still placing psuedo-random
 objects down

---
 pkg/rove/chunkAtlas.go | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/pkg/rove/chunkAtlas.go b/pkg/rove/chunkAtlas.go
index 88f1102..1903c7b 100644
--- a/pkg/rove/chunkAtlas.go
+++ b/pkg/rove/chunkAtlas.go
@@ -2,7 +2,6 @@ package rove
 
 import (
 	"log"
-	"math/rand"
 
 	"github.com/mdiluz/rove/pkg/maths"
 	"github.com/mdiluz/rove/proto/roveapi"
@@ -111,15 +110,6 @@ func (a *chunkBasedAtlas) populate(chunk int) {
 		}
 	}
 
-	// Set up any objects
-	for i := 0; i < len(c.Tiles); i++ {
-		if rand.Intn(16) == 0 {
-			c.Objects[i] = Object{Type: roveapi.Object_RockLarge}
-		} else if rand.Intn(32) == 0 {
-			c.Objects[i] = Object{Type: roveapi.Object_RockSmall}
-		}
-	}
-
 	a.Chunks[chunk] = c
 }
 

From 6891ec843968022f51180a9a6069f8001e0e760f Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 25 Jul 2020 23:39:32 +0100
Subject: [PATCH 31/58] Adjust the terrain scale to be much larger

---
 pkg/rove/worldgen.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/rove/worldgen.go b/pkg/rove/worldgen.go
index 724837d..dd864b8 100644
--- a/pkg/rove/worldgen.go
+++ b/pkg/rove/worldgen.go
@@ -33,7 +33,7 @@ func NewNoiseWorldGen(seed int64) WorldGen {
 }
 
 const (
-	terrainNoiseScale = 6
+	terrainNoiseScale = 15
 	rockNoiseScale    = 3
 )
 

From cec61a9db75c02e4f0b9c258ea3bb4df42f0052c Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 16:57:43 +0100
Subject: [PATCH 32/58] Big update to help text and add a simple description

---
 cmd/rove/main.go | 49 ++++++++++++++++++++++++++++++------------------
 1 file changed, 31 insertions(+), 18 deletions(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index b3a7ed6..2340d0d 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -22,24 +22,28 @@ var defaultDataPath = path.Join(home, ".local/share/")
 
 // Command usage
 func printUsage() {
-	fmt.Fprintf(os.Stderr, "Usage: rove COMMAND [ARGS...]\n")
-	fmt.Fprintln(os.Stderr, "\nCommands")
-	fmt.Fprintln(os.Stderr, "\tserver-status              prints the server status")
-	fmt.Fprintln(os.Stderr, "\tregister NAME              registers an account and stores it (use with -name)")
-	fmt.Fprintln(os.Stderr, "\tcommand COMMAND [VAL...]   issue commands to rover, accepts multiple, see below")
-	fmt.Fprintln(os.Stderr, "\tradar                      gathers radar data for the current rover")
-	fmt.Fprintln(os.Stderr, "\tstatus                     gets status info for current rover")
-	fmt.Fprintln(os.Stderr, "\tconfig [HOST]              outputs the local config info, optionally sets host")
-	fmt.Fprintln(os.Stderr, "\thelp                       outputs this usage information")
-	fmt.Fprintln(os.Stderr, "\tversion                    outputs version info")
-	fmt.Fprintln(os.Stderr, "\nRover commands:")
-	fmt.Fprintln(os.Stderr, "\ttoggle                     toggles the sails, either catching the wind, or charging from the sun")
-	fmt.Fprintln(os.Stderr, "\tstash                      stores the object at the rover location in the inventory")
-	fmt.Fprintln(os.Stderr, "\trepair                     uses an inventory object to repair the rover")
-	fmt.Fprintln(os.Stderr, "\tbroadcast MSG              broadcast a simple ASCII triplet to nearby rovers")
-	fmt.Fprintln(os.Stderr, "\tsalvage                    salvages a dormant rover for parts")
-	fmt.Fprintln(os.Stderr, "\nEnvironment")
-	fmt.Fprintln(os.Stderr, "\tROVE_USER_DATA             path to user data, defaults to "+defaultDataPath)
+	fmt.Fprintln(os.Stderr, "Usage: rove ARG [OPT...]")
+	fmt.Fprintf(os.Stderr, "\n")
+	fmt.Fprintln(os.Stderr, "Arguments:")
+	fmt.Fprintln(os.Stderr, "\tversion               outputs version")
+	fmt.Fprintln(os.Stderr, "\thelp                  outputs this usage text")
+	fmt.Fprintln(os.Stderr, "\tconfig [HOST]         outputs the local config, optionally sets host")
+	fmt.Fprintln(os.Stderr, "\tserver-status         prints the server status")
+	fmt.Fprintln(os.Stderr, "\tregister NAME         registers an account and spawns a rover")
+	fmt.Fprintln(os.Stderr, "\tradar                 prints radar data in ASCII form")
+	fmt.Fprintln(os.Stderr, "\tstatus                gets rover status")
+	fmt.Fprintln(os.Stderr, "\tcommand CMD [VAL...]  queues commands, accepts multiple, see below")
+	fmt.Fprintf(os.Stderr, "\n")
+	fmt.Fprintln(os.Stderr, "Rover commands:")
+	fmt.Fprintln(os.Stderr, "\ttoggle                toggles the current sail mode")
+	fmt.Fprintln(os.Stderr, "\tstash                 stores the object at the rover location in the inventory")
+	fmt.Fprintln(os.Stderr, "\trepair                repairs the rover using inventory item")
+	fmt.Fprintln(os.Stderr, "\tbroadcast MSG         broadcast a simple ASCII triplet to nearby rovers")
+	fmt.Fprintln(os.Stderr, "\tsalvage               salvages a dormant rover for parts")
+	fmt.Fprintln(os.Stderr, "\ttransfer              transfer's control into a dormant rover")
+	fmt.Fprintf(os.Stderr, "\n")
+	fmt.Fprintln(os.Stderr, "Environment")
+	fmt.Fprintln(os.Stderr, "\tROVE_USER_DATA        path to user data, defaults to "+defaultDataPath)
 }
 
 const gRPCport = 9090
@@ -356,6 +360,15 @@ func InnerMain(command string, args ...string) error {
 func main() {
 	// Bail without any args
 	if len(os.Args) == 1 {
+		fmt.Fprintf(os.Stderr, "\n")
+		fmt.Fprintln(os.Stderr, "m mm   mmm   m   m   mmm")
+		fmt.Fprintln(os.Stderr, "#\"  \" #\" \"#  \"m m\"  #\"  #")
+		fmt.Fprintln(os.Stderr, "#     #   #   #m#   #\"\"\"\"")
+		fmt.Fprintln(os.Stderr, "#     \"#m#\"    #    \"#mm\"")
+		fmt.Fprintf(os.Stderr, "\n")
+		fmt.Fprintln(os.Stderr, "Rove is an asychronous nomadic game about exploring a planet as part of a loose community.")
+		fmt.Fprintln(os.Stderr, "Visit https://mdiluz.github.io/rove/ for more information.")
+		fmt.Fprintf(os.Stderr, "\n")
 		printUsage()
 		os.Exit(1)
 	}

From bcf71f0bf9991f25f5f177f0d3d92cf16cbb47c9 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 17:09:47 +0100
Subject: [PATCH 33/58] Add a "wait" command with a number

---
 pkg/rove/command_test.go    |  37 ++++-
 pkg/rove/world.go           |  39 +++--
 proto/roveapi/roveapi.pb.go | 289 +++++++++++++++++++-----------------
 proto/roveapi/roveapi.proto |  11 +-
 4 files changed, 218 insertions(+), 158 deletions(-)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 935e35d..592b40c 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -9,6 +9,15 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+func TestCommand_Invalid(t *testing.T) {
+	w := NewWorld(8)
+	name, err := w.SpawnRover("")
+	assert.NoError(t, err)
+
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_none})
+	assert.Error(t, err)
+}
+
 func TestCommand_Toggle(t *testing.T) {
 	w := NewWorld(8)
 	a, err := w.SpawnRover("")
@@ -211,11 +220,31 @@ func TestCommand_Transfer(t *testing.T) {
 
 }
 
-func TestCommand_Invalid(t *testing.T) {
+func TestCommand_Wait(t *testing.T) {
 	w := NewWorld(8)
-	name, err := w.SpawnRover("")
+	a, err := w.SpawnRover("")
 	assert.NoError(t, err)
 
-	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_none})
-	assert.Error(t, err)
+	r, err := w.GetRover(a)
+	assert.NoError(t, err)
+	assert.Equal(t, roveapi.SailPosition_SolarCharging, r.SailPosition)
+
+	err = w.Enqueue(a, &roveapi.Command{Command: roveapi.CommandType_wait, Number: 5}, &roveapi.Command{Command: roveapi.CommandType_toggle})
+	assert.NoError(t, err)
+
+	// Tick 5 times during the wait
+	for i := 0; i < 5; i++ {
+		w.Tick()
+
+		r, err = w.GetRover(a)
+		assert.NoError(t, err)
+		assert.Equal(t, roveapi.SailPosition_SolarCharging, r.SailPosition)
+	}
+
+	// One last tick to do the toggle
+	w.Tick()
+
+	r, err = w.GetRover(a)
+	assert.NoError(t, err)
+	assert.Equal(t, roveapi.SailPosition_CatchingWind, r.SailPosition)
 }
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index dc163f3..07e8e5e 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -582,6 +582,10 @@ func (w *World) Enqueue(rover string, commands ...*roveapi.Command) error {
 			if c.GetBearing() == roveapi.Bearing_BearingUnknown {
 				return fmt.Errorf("turn command given unknown bearing")
 			}
+		case roveapi.CommandType_wait:
+			if c.GetNumber() <= 0 {
+				return fmt.Errorf("wait command must be given positie number of ticks to wait")
+			}
 		case roveapi.CommandType_toggle:
 		case roveapi.CommandType_stash:
 		case roveapi.CommandType_repair:
@@ -612,15 +616,16 @@ func (w *World) Tick() {
 		if len(cmds) != 0 {
 
 			// Execute the command
-			if err := w.ExecuteCommand(cmds[0], rover); err != nil {
+			if done, err := w.ExecuteCommand(cmds[0], rover); err != nil {
 				log.Println(err)
 				// TODO: Report this error somehow
-			}
 
-			// Extract the first command in the queue
-			// Only if the command queue still has entries
-			if _, ok := w.CommandQueue[rover]; ok {
-				w.CommandQueue[rover] = cmds[1:]
+			} else if done {
+				// Extract the first command in the queue
+				// Only if the command queue still has entries (the command may have modified this queue)
+				if _, ok := w.CommandQueue[rover]; ok {
+					w.CommandQueue[rover] = cmds[1:]
+				}
 			}
 
 		} else {
@@ -709,46 +714,50 @@ func (w *World) Tick() {
 }
 
 // ExecuteCommand will execute a single command
-func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (err error) {
+func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (done bool, err error) {
 	log.Printf("Executing command: %+v for %s\n", c.Command, rover)
 
 	switch c.Command {
 	case roveapi.CommandType_toggle:
 		if _, err := w.RoverToggle(rover); err != nil {
-			return err
+			return true, err
 		}
 	case roveapi.CommandType_stash:
 		if _, err := w.RoverStash(rover); err != nil {
-			return err
+			return true, err
 		}
 
 	case roveapi.CommandType_repair:
 		if _, err := w.RoverRepair(rover); err != nil {
-			return err
+			return true, err
 		}
 
 	case roveapi.CommandType_broadcast:
 		if err := w.RoverBroadcast(rover, c.GetData()); err != nil {
-			return err
+			return true, err
 		}
 
 	case roveapi.CommandType_turn:
 		if _, err := w.RoverTurn(rover, c.GetBearing()); err != nil {
-			return err
+			return true, err
 		}
 
 	case roveapi.CommandType_salvage:
 		if _, err := w.RoverSalvage(rover); err != nil {
-			return err
+			return true, err
 		}
 
 	case roveapi.CommandType_transfer:
 		if _, err := w.RoverTransfer(rover); err != nil {
-			return err
+			return true, err
 		}
 
+	case roveapi.CommandType_wait:
+		c.Number--
+		return c.Number == 0, nil
+
 	default:
-		return fmt.Errorf("unknown command: %s", c.Command)
+		return true, fmt.Errorf("unknown command: %s", c.Command)
 	}
 
 	return
diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index cc6fe07..2b4df0b 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -53,6 +53,8 @@ const (
 	CommandType_salvage CommandType = 6
 	// Transfers remote control into dormant rover
 	CommandType_transfer CommandType = 7
+	// Waits for the specified number of server ticks (requires number)
+	CommandType_wait CommandType = 8
 )
 
 // Enum value maps for CommandType.
@@ -66,6 +68,7 @@ var (
 		5: "broadcast",
 		6: "salvage",
 		7: "transfer",
+		8: "wait",
 	}
 	CommandType_value = map[string]int32{
 		"none":      0,
@@ -76,6 +79,7 @@ var (
 		"broadcast": 5,
 		"salvage":   6,
 		"transfer":  7,
+		"wait":      8,
 	}
 )
 
@@ -640,6 +644,8 @@ type Command struct {
 	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
 	// move - the bearing for the rover to turn to
 	Bearing Bearing `protobuf:"varint,3,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
+	// wait - the number of server ticks to wait
+	Number int32 `protobuf:"varint,4,opt,name=number,proto3" json:"number,omitempty"`
 }
 
 func (x *Command) Reset() {
@@ -695,6 +701,13 @@ func (x *Command) GetBearing() Bearing {
 	return Bearing_BearingUnknown
 }
 
+func (x *Command) GetNumber() int32 {
+	if x != nil {
+		return x.Number
+	}
+	return 0
+}
+
 // CommandRequest describes a set of commands to be requested for the rover
 type CommandRequest struct {
 	state         protoimpl.MessageState
@@ -1408,144 +1421,146 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
 	0x69, 0x73, 0x74, 0x65, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x2a, 0x0a,
 	0x07, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x10,
 	0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74,
-	0x52, 0x07, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x22, 0x79, 0x0a, 0x07, 0x43, 0x6f, 0x6d,
-	0x6d, 0x61, 0x6e, 0x64, 0x12, 0x2e, 0x0a, 0x07, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x18,
-	0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x14, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e,
-	0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x54, 0x79, 0x70, 0x65, 0x52, 0x07, 0x63, 0x6f, 0x6d,
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+	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x2e, 0x0a, 0x07, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x14, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69,
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+	0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x12, 0x2a, 0x0a, 0x07, 0x62, 0x65, 0x61,
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+	0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x52,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x18, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69,
+	0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
+	0x22, 0x00, 0x12, 0x38, 0x0a, 0x05, 0x52, 0x61, 0x64, 0x61, 0x72, 0x12, 0x15, 0x2e, 0x72, 0x6f,
+	0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x61, 0x64, 0x61, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x1a, 0x16, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x61, 0x64,
+	0x61, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x3b, 0x0a, 0x06,
+	0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x16, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69,
+	0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17,
+	0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x26, 0x5a, 0x24, 0x67, 0x69, 0x74,
+	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6d, 0x64, 0x69, 0x6c, 0x75, 0x7a, 0x2f, 0x72,
+	0x6f, 0x76, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70,
+	0x69, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 5470e19..46cb858 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -103,6 +103,8 @@ enum CommandType {
   salvage = 6;
   // Transfers remote control into dormant rover
   transfer = 7;
+  // Waits for the specified number of server ticks (requires number)
+  wait = 8;
 }
 
 // Bearing represents a compass direction
@@ -124,11 +126,15 @@ message Command {
   // The command type
   CommandType command = 1;
 
-  // broadcast - a simple message, must be composed of up to 3 printable ASCII glyphs (32-126)
+  // broadcast - a simple message, must be composed of up to 3 printable ASCII
+  // glyphs (32-126)
   bytes data = 2;
 
   // move - the bearing for the rover to turn to
   Bearing bearing = 3;
+
+  // wait - the number of server ticks to wait
+  int32 number = 4;
 }
 
 // CommandRequest describes a set of commands to be requested for the rover
@@ -164,7 +170,8 @@ enum Object {
   // RockLarge is a large blocking rock
   RockLarge = 4;
 
-  // RoverParts is one unit of rover parts, used for repairing and fixing the rover
+  // RoverParts is one unit of rover parts, used for repairing and fixing the
+  // rover
   RoverParts = 5;
 }
 

From 15146035177e6ba8da33bb26861beb70b905a1bb Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 17:19:04 +0100
Subject: [PATCH 34/58] Allow number to be used in all commands

---
 pkg/rove/world.go           | 43 +++++++++++--------------------------
 proto/roveapi/roveapi.pb.go | 42 +++++++++++++++++++-----------------
 proto/roveapi/roveapi.proto | 12 +++++------
 3 files changed, 40 insertions(+), 57 deletions(-)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 07e8e5e..4d08c7a 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -717,50 +717,31 @@ func (w *World) Tick() {
 func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (done bool, err error) {
 	log.Printf("Executing command: %+v for %s\n", c.Command, rover)
 
+	// Decrement the number of the command
+	c.Number--
+
 	switch c.Command {
 	case roveapi.CommandType_toggle:
-		if _, err := w.RoverToggle(rover); err != nil {
-			return true, err
-		}
+		_, err = w.RoverToggle(rover)
 	case roveapi.CommandType_stash:
-		if _, err := w.RoverStash(rover); err != nil {
-			return true, err
-		}
-
+		_, err = w.RoverStash(rover)
 	case roveapi.CommandType_repair:
-		if _, err := w.RoverRepair(rover); err != nil {
-			return true, err
-		}
-
+		_, err = w.RoverRepair(rover)
 	case roveapi.CommandType_broadcast:
-		if err := w.RoverBroadcast(rover, c.GetData()); err != nil {
-			return true, err
-		}
-
+		err = w.RoverBroadcast(rover, c.GetData())
 	case roveapi.CommandType_turn:
-		if _, err := w.RoverTurn(rover, c.GetBearing()); err != nil {
-			return true, err
-		}
-
+		_, err = w.RoverTurn(rover, c.GetBearing())
 	case roveapi.CommandType_salvage:
-		if _, err := w.RoverSalvage(rover); err != nil {
-			return true, err
-		}
-
+		_, err = w.RoverSalvage(rover)
 	case roveapi.CommandType_transfer:
-		if _, err := w.RoverTransfer(rover); err != nil {
-			return true, err
-		}
-
+		_, err = w.RoverTransfer(rover)
 	case roveapi.CommandType_wait:
-		c.Number--
-		return c.Number == 0, nil
-
+		// Nothing to do
 	default:
 		return true, fmt.Errorf("unknown command: %s", c.Command)
 	}
 
-	return
+	return c.Number <= 0, err
 }
 
 // Daytime returns if it's currently daytime
diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index 2b4df0b..4c0178e 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -53,7 +53,7 @@ const (
 	CommandType_salvage CommandType = 6
 	// Transfers remote control into dormant rover
 	CommandType_transfer CommandType = 7
-	// Waits for the specified number of server ticks (requires number)
+	// Waits before performing the next command
 	CommandType_wait CommandType = 8
 )
 
@@ -193,7 +193,8 @@ const (
 	Object_RockSmall Object = 3
 	// RockLarge is a large blocking rock
 	Object_RockLarge Object = 4
-	// RoverParts is one unit of rover parts, used for repairing and fixing the rover
+	// RoverParts is one unit of rover parts, used for repairing and fixing the
+	// rover
 	Object_RoverParts Object = 5
 )
 
@@ -640,12 +641,13 @@ type Command struct {
 
 	// The command type
 	Command CommandType `protobuf:"varint,1,opt,name=command,proto3,enum=roveapi.CommandType" json:"command,omitempty"`
-	// broadcast - a simple message, must be composed of up to 3 printable ASCII glyphs (32-126)
-	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	// The number of times to execute the command (assumes 1 if not present or 0)
+	Number int32 `protobuf:"varint,2,opt,name=number,proto3" json:"number,omitempty"`
+	// broadcast - a simple message, must be composed of up to 3 printable ASCII
+	// glyphs (32-126)
+	Data []byte `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
 	// move - the bearing for the rover to turn to
-	Bearing Bearing `protobuf:"varint,3,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
-	// wait - the number of server ticks to wait
-	Number int32 `protobuf:"varint,4,opt,name=number,proto3" json:"number,omitempty"`
+	Bearing Bearing `protobuf:"varint,4,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
 }
 
 func (x *Command) Reset() {
@@ -687,6 +689,13 @@ func (x *Command) GetCommand() CommandType {
 	return CommandType_none
 }
 
+func (x *Command) GetNumber() int32 {
+	if x != nil {
+		return x.Number
+	}
+	return 0
+}
+
 func (x *Command) GetData() []byte {
 	if x != nil {
 		return x.Data
@@ -701,13 +710,6 @@ func (x *Command) GetBearing() Bearing {
 	return Bearing_BearingUnknown
 }
 
-func (x *Command) GetNumber() int32 {
-	if x != nil {
-		return x.Number
-	}
-	return 0
-}
-
 // CommandRequest describes a set of commands to be requested for the rover
 type CommandRequest struct {
 	state         protoimpl.MessageState
@@ -1425,12 +1427,12 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
 	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x2e, 0x0a, 0x07, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x14, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69,
 	0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x54, 0x79, 0x70, 0x65, 0x52, 0x07, 0x63, 0x6f,
-	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x02, 0x20,
-	0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61, 0x12, 0x2a, 0x0a, 0x07, 0x62, 0x65, 0x61,
-	0x72, 0x69, 0x6e, 0x67, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x10, 0x2e, 0x72, 0x6f, 0x76,
-	0x65, 0x61, 0x70, 0x69, 0x2e, 0x42, 0x65, 0x61, 0x72, 0x69, 0x6e, 0x67, 0x52, 0x07, 0x62, 0x65,
-	0x61, 0x72, 0x69, 0x6e, 0x67, 0x12, 0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18,
-	0x04, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x22, 0x6a, 0x0a,
+	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x12, 0x12, 0x0a,
+	0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74,
+	0x61, 0x12, 0x2a, 0x0a, 0x07, 0x62, 0x65, 0x61, 0x72, 0x69, 0x6e, 0x67, 0x18, 0x04, 0x20, 0x01,
+	0x28, 0x0e, 0x32, 0x10, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x42, 0x65, 0x61,
+	0x72, 0x69, 0x6e, 0x67, 0x52, 0x07, 0x62, 0x65, 0x61, 0x72, 0x69, 0x6e, 0x67, 0x22, 0x6a, 0x0a,
 	0x0e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12,
 	0x2a, 0x0a, 0x07, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b,
 	0x32, 0x10, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x41, 0x63, 0x63, 0x6f, 0x75,
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 46cb858..21c992b 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -103,7 +103,7 @@ enum CommandType {
   salvage = 6;
   // Transfers remote control into dormant rover
   transfer = 7;
-  // Waits for the specified number of server ticks (requires number)
+  // Waits before performing the next command
   wait = 8;
 }
 
@@ -126,15 +126,15 @@ message Command {
   // The command type
   CommandType command = 1;
 
+  // The number of times to execute the command (assumes 1 if not present or 0)
+  int32 number = 2;
+
   // broadcast - a simple message, must be composed of up to 3 printable ASCII
   // glyphs (32-126)
-  bytes data = 2;
+  bytes data = 3;
 
   // move - the bearing for the rover to turn to
-  Bearing bearing = 3;
-
-  // wait - the number of server ticks to wait
-  int32 number = 4;
+  Bearing bearing = 4;
 }
 
 // CommandRequest describes a set of commands to be requested for the rover

From c0d4a809c9f88d61a84ad1b23a207adbafd101a6 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 17:31:09 +0100
Subject: [PATCH 35/58] Update command line client to allow specifying command
 number

---
 cmd/rove/main.go      | 43 +++++++++++++++++++++++++++++--------------
 cmd/rove/main_test.go |  4 ++++
 2 files changed, 33 insertions(+), 14 deletions(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 2340d0d..6613121 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -8,6 +8,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"strconv"
 	"time"
 
 	"github.com/mdiluz/rove/cmd/rove/internal"
@@ -25,22 +26,23 @@ func printUsage() {
 	fmt.Fprintln(os.Stderr, "Usage: rove ARG [OPT...]")
 	fmt.Fprintf(os.Stderr, "\n")
 	fmt.Fprintln(os.Stderr, "Arguments:")
-	fmt.Fprintln(os.Stderr, "\tversion               outputs version")
-	fmt.Fprintln(os.Stderr, "\thelp                  outputs this usage text")
-	fmt.Fprintln(os.Stderr, "\tconfig [HOST]         outputs the local config, optionally sets host")
-	fmt.Fprintln(os.Stderr, "\tserver-status         prints the server status")
-	fmt.Fprintln(os.Stderr, "\tregister NAME         registers an account and spawns a rover")
-	fmt.Fprintln(os.Stderr, "\tradar                 prints radar data in ASCII form")
-	fmt.Fprintln(os.Stderr, "\tstatus                gets rover status")
-	fmt.Fprintln(os.Stderr, "\tcommand CMD [VAL...]  queues commands, accepts multiple, see below")
+	fmt.Fprintln(os.Stderr, "\tversion                    outputs version")
+	fmt.Fprintln(os.Stderr, "\thelp                       outputs this usage text")
+	fmt.Fprintln(os.Stderr, "\tconfig [HOST]              outputs the local config, optionally sets host")
+	fmt.Fprintln(os.Stderr, "\tserver-status              prints the server status")
+	fmt.Fprintln(os.Stderr, "\tregister NAME              registers an account and spawns a rover")
+	fmt.Fprintln(os.Stderr, "\tradar                      prints radar data in ASCII form")
+	fmt.Fprintln(os.Stderr, "\tstatus                     gets rover status")
+	fmt.Fprintln(os.Stderr, "\tcommand [NUM] CMD [VAL...] queues commands, accepts multiple, see below")
 	fmt.Fprintf(os.Stderr, "\n")
 	fmt.Fprintln(os.Stderr, "Rover commands:")
-	fmt.Fprintln(os.Stderr, "\ttoggle                toggles the current sail mode")
-	fmt.Fprintln(os.Stderr, "\tstash                 stores the object at the rover location in the inventory")
-	fmt.Fprintln(os.Stderr, "\trepair                repairs the rover using inventory item")
-	fmt.Fprintln(os.Stderr, "\tbroadcast MSG         broadcast a simple ASCII triplet to nearby rovers")
-	fmt.Fprintln(os.Stderr, "\tsalvage               salvages a dormant rover for parts")
-	fmt.Fprintln(os.Stderr, "\ttransfer              transfer's control into a dormant rover")
+	fmt.Fprintln(os.Stderr, "\ttoggle         toggles the current sail mode")
+	fmt.Fprintln(os.Stderr, "\tstash          stores the object at the rover location in the inventory")
+	fmt.Fprintln(os.Stderr, "\trepair         repairs the rover using inventory item")
+	fmt.Fprintln(os.Stderr, "\tbroadcast MSG  broadcast a simple ASCII triplet to nearby rovers")
+	fmt.Fprintln(os.Stderr, "\tsalvage        salvages a dormant rover for parts")
+	fmt.Fprintln(os.Stderr, "\ttransfer       transfer's control into a dormant rover")
+	fmt.Fprintln(os.Stderr, "\twait           waits before performing the next command")
 	fmt.Fprintf(os.Stderr, "\n")
 	fmt.Fprintln(os.Stderr, "Environment")
 	fmt.Fprintln(os.Stderr, "\tROVE_USER_DATA        path to user data, defaults to "+defaultDataPath)
@@ -236,6 +238,16 @@ func InnerMain(command string, args ...string) error {
 		// Iterate through each command
 		var commands []*roveapi.Command
 		for i := 0; i < len(args); i++ {
+			number := 0
+			num, err := strconv.Atoi(args[i])
+			if err == nil {
+				number = num
+				i++
+				if i >= len(args) {
+					return fmt.Errorf("must pass command after number")
+				}
+			}
+
 			switch args[i] {
 			case "turn":
 				i++
@@ -250,6 +262,7 @@ func InnerMain(command string, args ...string) error {
 					&roveapi.Command{
 						Command: roveapi.CommandType_turn,
 						Bearing: b,
+						Number:  int32(number),
 					},
 				)
 			case "broadcast":
@@ -263,6 +276,7 @@ func InnerMain(command string, args ...string) error {
 					&roveapi.Command{
 						Command: roveapi.CommandType_broadcast,
 						Data:    []byte(args[i]),
+						Number:  int32(number),
 					},
 				)
 			default:
@@ -270,6 +284,7 @@ func InnerMain(command string, args ...string) error {
 				commands = append(commands,
 					&roveapi.Command{
 						Command: roveapi.CommandType(roveapi.CommandType_value[args[i]]),
+						Number:  int32(number),
 					},
 				)
 			}
diff --git a/cmd/rove/main_test.go b/cmd/rove/main_test.go
index 2eb564c..50fdf98 100644
--- a/cmd/rove/main_test.go
+++ b/cmd/rove/main_test.go
@@ -54,8 +54,12 @@ func Test_InnerMain(t *testing.T) {
 	assert.NoError(t, InnerMain("command", "stash"))
 	assert.NoError(t, InnerMain("command", "repair"))
 	assert.NoError(t, InnerMain("command", "broadcast", "abc"))
+	assert.NoError(t, InnerMain("command", "10", "wait"))
+	assert.NoError(t, InnerMain("command", "1", "wait", "turn", "NW", "toggle", "broadcast", "zyx"))
 
 	// Give it malformed commands
 	assert.Error(t, InnerMain("command", "unknown"))
 	assert.Error(t, InnerMain("command", "broadcast"))
+	assert.Error(t, InnerMain("command", "0", "wait"))
+	assert.Error(t, InnerMain("command", "1"))
 }

From 74e1cd4564eae3ba165ba3b6f187fd4a2394ecd0 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 18:02:06 +0100
Subject: [PATCH 36/58] Convert number to repeat to avoid confusion

---
 cmd/rove/main.go            | 24 ++++++++++++------------
 cmd/rove/main_test.go       |  1 -
 pkg/rove/command_test.go    |  4 ++--
 pkg/rove/world.go           | 10 +++-------
 proto/roveapi/roveapi.pb.go | 12 ++++++------
 proto/roveapi/roveapi.proto |  4 ++--
 6 files changed, 25 insertions(+), 30 deletions(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 6613121..9fc853a 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -26,14 +26,14 @@ func printUsage() {
 	fmt.Fprintln(os.Stderr, "Usage: rove ARG [OPT...]")
 	fmt.Fprintf(os.Stderr, "\n")
 	fmt.Fprintln(os.Stderr, "Arguments:")
-	fmt.Fprintln(os.Stderr, "\tversion                    outputs version")
-	fmt.Fprintln(os.Stderr, "\thelp                       outputs this usage text")
-	fmt.Fprintln(os.Stderr, "\tconfig [HOST]              outputs the local config, optionally sets host")
-	fmt.Fprintln(os.Stderr, "\tserver-status              prints the server status")
-	fmt.Fprintln(os.Stderr, "\tregister NAME              registers an account and spawns a rover")
-	fmt.Fprintln(os.Stderr, "\tradar                      prints radar data in ASCII form")
-	fmt.Fprintln(os.Stderr, "\tstatus                     gets rover status")
-	fmt.Fprintln(os.Stderr, "\tcommand [NUM] CMD [VAL...] queues commands, accepts multiple, see below")
+	fmt.Fprintln(os.Stderr, "\tversion                       outputs version")
+	fmt.Fprintln(os.Stderr, "\thelp                          outputs this usage text")
+	fmt.Fprintln(os.Stderr, "\tconfig [HOST]                 outputs the local config, optionally sets host")
+	fmt.Fprintln(os.Stderr, "\tserver-status                 prints the server status")
+	fmt.Fprintln(os.Stderr, "\tregister NAME                 registers an account and spawns a rover")
+	fmt.Fprintln(os.Stderr, "\tradar                         prints radar data in ASCII form")
+	fmt.Fprintln(os.Stderr, "\tstatus                        gets rover status")
+	fmt.Fprintln(os.Stderr, "\tcommand [REPEAT] CMD [VAL...] queues commands, accepts multiple in sequence for command values see below")
 	fmt.Fprintf(os.Stderr, "\n")
 	fmt.Fprintln(os.Stderr, "Rover commands:")
 	fmt.Fprintln(os.Stderr, "\ttoggle         toggles the current sail mode")
@@ -244,7 +244,7 @@ func InnerMain(command string, args ...string) error {
 				number = num
 				i++
 				if i >= len(args) {
-					return fmt.Errorf("must pass command after number")
+					return fmt.Errorf("must pass command after repeat number")
 				}
 			}
 
@@ -262,7 +262,7 @@ func InnerMain(command string, args ...string) error {
 					&roveapi.Command{
 						Command: roveapi.CommandType_turn,
 						Bearing: b,
-						Number:  int32(number),
+						Repeat:  int32(number),
 					},
 				)
 			case "broadcast":
@@ -276,7 +276,7 @@ func InnerMain(command string, args ...string) error {
 					&roveapi.Command{
 						Command: roveapi.CommandType_broadcast,
 						Data:    []byte(args[i]),
-						Number:  int32(number),
+						Repeat:  int32(number),
 					},
 				)
 			default:
@@ -284,7 +284,7 @@ func InnerMain(command string, args ...string) error {
 				commands = append(commands,
 					&roveapi.Command{
 						Command: roveapi.CommandType(roveapi.CommandType_value[args[i]]),
-						Number:  int32(number),
+						Repeat:  int32(number),
 					},
 				)
 			}
diff --git a/cmd/rove/main_test.go b/cmd/rove/main_test.go
index 50fdf98..d0e12d6 100644
--- a/cmd/rove/main_test.go
+++ b/cmd/rove/main_test.go
@@ -60,6 +60,5 @@ func Test_InnerMain(t *testing.T) {
 	// Give it malformed commands
 	assert.Error(t, InnerMain("command", "unknown"))
 	assert.Error(t, InnerMain("command", "broadcast"))
-	assert.Error(t, InnerMain("command", "0", "wait"))
 	assert.Error(t, InnerMain("command", "1"))
 }
diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index 592b40c..dde7070 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -229,10 +229,10 @@ func TestCommand_Wait(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, roveapi.SailPosition_SolarCharging, r.SailPosition)
 
-	err = w.Enqueue(a, &roveapi.Command{Command: roveapi.CommandType_wait, Number: 5}, &roveapi.Command{Command: roveapi.CommandType_toggle})
+	err = w.Enqueue(a, &roveapi.Command{Command: roveapi.CommandType_wait, Repeat: 4}, &roveapi.Command{Command: roveapi.CommandType_toggle})
 	assert.NoError(t, err)
 
-	// Tick 5 times during the wait
+	// Tick 5 times during the wait (1 normal execute + 4)
 	for i := 0; i < 5; i++ {
 		w.Tick()
 
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 4d08c7a..d2483b5 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -583,9 +583,6 @@ func (w *World) Enqueue(rover string, commands ...*roveapi.Command) error {
 				return fmt.Errorf("turn command given unknown bearing")
 			}
 		case roveapi.CommandType_wait:
-			if c.GetNumber() <= 0 {
-				return fmt.Errorf("wait command must be given positie number of ticks to wait")
-			}
 		case roveapi.CommandType_toggle:
 		case roveapi.CommandType_stash:
 		case roveapi.CommandType_repair:
@@ -717,9 +714,6 @@ func (w *World) Tick() {
 func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (done bool, err error) {
 	log.Printf("Executing command: %+v for %s\n", c.Command, rover)
 
-	// Decrement the number of the command
-	c.Number--
-
 	switch c.Command {
 	case roveapi.CommandType_toggle:
 		_, err = w.RoverToggle(rover)
@@ -741,7 +735,9 @@ func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (done bool, err
 		return true, fmt.Errorf("unknown command: %s", c.Command)
 	}
 
-	return c.Number <= 0, err
+	// Decrement the repeat number
+	c.Repeat--
+	return c.Repeat < 0, err
 }
 
 // Daytime returns if it's currently daytime
diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index 4c0178e..753c058 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -641,8 +641,8 @@ type Command struct {
 
 	// The command type
 	Command CommandType `protobuf:"varint,1,opt,name=command,proto3,enum=roveapi.CommandType" json:"command,omitempty"`
-	// The number of times to execute the command (assumes 1 if not present or 0)
-	Number int32 `protobuf:"varint,2,opt,name=number,proto3" json:"number,omitempty"`
+	// The number of times to repeat the command after the first
+	Repeat int32 `protobuf:"varint,2,opt,name=repeat,proto3" json:"repeat,omitempty"`
 	// broadcast - a simple message, must be composed of up to 3 printable ASCII
 	// glyphs (32-126)
 	Data []byte `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
@@ -689,9 +689,9 @@ func (x *Command) GetCommand() CommandType {
 	return CommandType_none
 }
 
-func (x *Command) GetNumber() int32 {
+func (x *Command) GetRepeat() int32 {
 	if x != nil {
-		return x.Number
+		return x.Repeat
 	}
 	return 0
 }
@@ -1427,8 +1427,8 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
 	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x2e, 0x0a, 0x07, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x14, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69,
 	0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x54, 0x79, 0x70, 0x65, 0x52, 0x07, 0x63, 0x6f,
-	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18,
-	0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x12, 0x12, 0x0a,
+	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x16, 0x0a, 0x06, 0x72, 0x65, 0x70, 0x65, 0x61, 0x74, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x06, 0x72, 0x65, 0x70, 0x65, 0x61, 0x74, 0x12, 0x12, 0x0a,
 	0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74,
 	0x61, 0x12, 0x2a, 0x0a, 0x07, 0x62, 0x65, 0x61, 0x72, 0x69, 0x6e, 0x67, 0x18, 0x04, 0x20, 0x01,
 	0x28, 0x0e, 0x32, 0x10, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x42, 0x65, 0x61,
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 21c992b..9aad682 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -126,8 +126,8 @@ message Command {
   // The command type
   CommandType command = 1;
 
-  // The number of times to execute the command (assumes 1 if not present or 0)
-  int32 number = 2;
+  // The number of times to repeat the command after the first
+  int32 repeat = 2;
 
   // broadcast - a simple message, must be composed of up to 3 printable ASCII
   // glyphs (32-126)

From e542999b91e167d8b90c63c131ccfed2d0cb6f4b Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 18:10:55 +0100
Subject: [PATCH 37/58] Move test deployment out to it's own file

---
 Makefile                |  4 ++--
 docker-compose-test.yml | 31 +++++++++++++++++++++++++++++++
 docker-compose.yml      | 13 -------------
 3 files changed, 33 insertions(+), 15 deletions(-)
 create mode 100644 docker-compose-test.yml

diff --git a/Makefile b/Makefile
index b73faf0..be0edcb 100644
--- a/Makefile
+++ b/Makefile
@@ -22,8 +22,8 @@ test:
 	go test -v ./...
 
 	@echo Integration tests
-	docker-compose up --build --exit-code-from=rove-tests --abort-on-container-exit rove-tests
-	docker-compose down
+	docker-compose -f docker-compose-test.yml up --build --exit-code-from=rove-tests --abort-on-container-exit rove-tests
+	docker-compose -f docker-compose-test.yml down
 	go tool cover -html=/tmp/coverage-data/c.out -o /tmp/coverage.html
 	
 	@echo Done, coverage data can be found in /tmp/coverage.html
diff --git a/docker-compose-test.yml b/docker-compose-test.yml
new file mode 100644
index 0000000..64a71a8
--- /dev/null
+++ b/docker-compose-test.yml
@@ -0,0 +1,31 @@
+version: '3'
+
+services:
+  rove-test-server:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: rove:latest
+    ports:
+      - "9090:9090"
+    environment:
+      - PORT=9090
+      - DATA_PATH=/tmp/
+      - WORDS_FILE=data/words_alpha.txt
+      - TICK_RATE=10
+    command: [ "./rove-server"]
+
+  rove-tests:
+    depends_on: [ rove-test-server ]
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: rove:latest
+    environment:
+      - ROVE_GRPC=rove-test-server
+    command: [ "./script/wait-for-it.sh", "rove-test-server:9090", "--", "go", "test", "-v", "./...", "--tags=integration", "-cover", "-coverprofile=/mnt/coverage-data/c.out", "-count", "1" ]
+    volumes:
+      - /tmp/coverage-data:/mnt/coverage-data:rw
+
+
+  
diff --git a/docker-compose.yml b/docker-compose.yml
index f1962a9..f84d876 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -20,17 +20,4 @@ services:
       - persistent-data:/mnt/rove-server:rw
     command: [ "./rove-server"]
 
-  rove-tests:
-    depends_on: [ rove-server ]
-    build:
-      context: .
-      dockerfile: Dockerfile
-    image: rove:latest
-    environment:
-      - ROVE_GRPC=rove-server
-    command: [ "./script/wait-for-it.sh", "rove-server:9090", "--", "go", "test", "-v", "./...", "--tags=integration", "-cover", "-coverprofile=/mnt/coverage-data/c.out", "-count", "1" ]
-    volumes:
-      - /tmp/coverage-data:/mnt/coverage-data:rw
-
-
   

From a321e5d72f3a3356a6ec6621321c50173b372be7 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 22:48:48 +0100
Subject: [PATCH 38/58] Add gRPC reflection to the server

---
 cmd/rove-server/internal/server.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmd/rove-server/internal/server.go b/cmd/rove-server/internal/server.go
index 7debe0a..e32f64a 100644
--- a/cmd/rove-server/internal/server.go
+++ b/cmd/rove-server/internal/server.go
@@ -11,6 +11,7 @@ import (
 	"github.com/mdiluz/rove/proto/roveapi"
 	"github.com/robfig/cron"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/reflection"
 )
 
 const (
@@ -105,6 +106,7 @@ func (s *Server) Initialise(fillWorld bool) (err error) {
 	}
 	s.grpcServ = grpc.NewServer()
 	roveapi.RegisterRoveServer(s.grpcServ, s)
+	reflection.Register(s.grpcServ)
 
 	return nil
 }

From 70d92c2d5ee06c221fdaa3c1df44e03530322b8b Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:10:39 +0100
Subject: [PATCH 39/58] Add TLS to gRPC

---
 cmd/rove-server/internal/server.go      | 20 +++++++++++++++++++-
 cmd/rove-server/internal/server_test.go |  3 +++
 docker-compose-test.yml                 |  1 +
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/cmd/rove-server/internal/server.go b/cmd/rove-server/internal/server.go
index e32f64a..4969687 100644
--- a/cmd/rove-server/internal/server.go
+++ b/cmd/rove-server/internal/server.go
@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"log"
 	"net"
+	"os"
+	"path"
 	"sync"
 
 	"github.com/mdiluz/rove/pkg/persistence"
@@ -11,9 +13,12 @@ import (
 	"github.com/mdiluz/rove/proto/roveapi"
 	"github.com/robfig/cron"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/reflection"
 )
 
+var cert = os.Getenv("CERT_NAME")
+
 const (
 	// PersistentData will allow the server to load and save it's state
 	PersistentData = iota
@@ -104,7 +109,20 @@ func (s *Server) Initialise(fillWorld bool) (err error) {
 	if err != nil {
 		log.Fatalf("failed to listen: %v", err)
 	}
-	s.grpcServ = grpc.NewServer()
+
+	// Load TLS
+	var opts []grpc.ServerOption
+	if len(os.Getenv("NO_TLS")) == 0 {
+		pem := path.Join("/etc/letsencrypt/live/", cert, "cert.pem")
+		key := path.Join("/etc/letsencrypt/live/", cert, "privkey.pem")
+		creds, err := credentials.NewServerTLSFromFile(pem, key)
+		if err != nil {
+			log.Fatalf("failed to setup TLS: %v", err)
+		}
+		opts = append(opts, grpc.Creds(creds))
+	}
+
+	s.grpcServ = grpc.NewServer(opts...)
 	roveapi.RegisterRoveServer(s.grpcServ, s)
 	reflection.Register(s.grpcServ)
 
diff --git a/cmd/rove-server/internal/server_test.go b/cmd/rove-server/internal/server_test.go
index 36db679..40d4b80 100644
--- a/cmd/rove-server/internal/server_test.go
+++ b/cmd/rove-server/internal/server_test.go
@@ -1,6 +1,7 @@
 package internal
 
 import (
+	"os"
 	"testing"
 )
 
@@ -30,6 +31,7 @@ func TestNewServer_OptionPersistentData(t *testing.T) {
 }
 
 func TestServer_Run(t *testing.T) {
+	os.Setenv("NO_TLS", "1")
 	server := NewServer()
 	if server == nil {
 		t.Error("Failed to create server")
@@ -45,6 +47,7 @@ func TestServer_Run(t *testing.T) {
 }
 
 func TestServer_RunPersistentData(t *testing.T) {
+	os.Setenv("NO_TLS", "1")
 	server := NewServer(OptionPersistentData())
 	if server == nil {
 		t.Error("Failed to create server")
diff --git a/docker-compose-test.yml b/docker-compose-test.yml
index 64a71a8..aec8cee 100644
--- a/docker-compose-test.yml
+++ b/docker-compose-test.yml
@@ -13,6 +13,7 @@ services:
       - DATA_PATH=/tmp/
       - WORDS_FILE=data/words_alpha.txt
       - TICK_RATE=10
+      - NO_TLS=1
     command: [ "./rove-server"]
 
   rove-tests:

From ac3844fe7af5da3fb1d685ed8cd081d1fc141c88 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:26:36 +0100
Subject: [PATCH 40/58] Mount letsencrypt in the docker to read the certs

---
 docker-compose.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker-compose.yml b/docker-compose.yml
index f84d876..05dd68f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -18,6 +18,7 @@ services:
       - TICK_RATE=3
     volumes:
       - persistent-data:/mnt/rove-server:rw
+      - /etc/letsencrypt/:/etc/letsencrypt/
     command: [ "./rove-server"]
 
   

From 4821a901434ef4072afe62c728083b20dc31abcf Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:29:58 +0100
Subject: [PATCH 41/58] Pass the cert name into the docker deployment

---
 docker-compose.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker-compose.yml b/docker-compose.yml
index 05dd68f..d5606f7 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,6 +16,7 @@ services:
       - DATA_PATH=/mnt/rove-server
       - WORDS_FILE=data/words_alpha.txt
       - TICK_RATE=3
+      - CERT_NAME=${CERT_NAME}
     volumes:
       - persistent-data:/mnt/rove-server:rw
       - /etc/letsencrypt/:/etc/letsencrypt/

From 9b03ffb7f1a0cf4cb41d7f40fd4917dd86483971 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:30:09 +0100
Subject: [PATCH 42/58] Add skip verify on the client for now

---
 cmd/rove/main.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 9fc853a..99a1f77 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"crypto/tls"
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
@@ -16,6 +17,7 @@ import (
 	"github.com/mdiluz/rove/proto/roveapi"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
 )
 
 var home = os.Getenv("HOME")
@@ -185,8 +187,12 @@ func InnerMain(command string, args ...string) error {
 		return fmt.Errorf("no host set in %s, set one with '%s config {HOST}'", ConfigPath(), os.Args[0])
 	}
 
+	tls := &tls.Config{
+		InsecureSkipVerify: true,
+	}
+
 	// Set up the server
-	clientConn, err := grpc.Dial(fmt.Sprintf("%s:%d", config.Host, gRPCport), grpc.WithInsecure())
+	clientConn, err := grpc.Dial(fmt.Sprintf("%s:%d", config.Host, gRPCport), grpc.WithTransportCredentials(credentials.NewTLS(tls)))
 	if err != nil {
 		return err
 	}

From 71a0ef9920ac06845013d03ef24e6ceae3c3563f Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:36:34 +0100
Subject: [PATCH 43/58] Use the fullchain.pem not the cert.pem as explained by
 letsencrypt

---
 cmd/rove-server/internal/server.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmd/rove-server/internal/server.go b/cmd/rove-server/internal/server.go
index 4969687..e2b7e16 100644
--- a/cmd/rove-server/internal/server.go
+++ b/cmd/rove-server/internal/server.go
@@ -113,7 +113,7 @@ func (s *Server) Initialise(fillWorld bool) (err error) {
 	// Load TLS
 	var opts []grpc.ServerOption
 	if len(os.Getenv("NO_TLS")) == 0 {
-		pem := path.Join("/etc/letsencrypt/live/", cert, "cert.pem")
+		pem := path.Join("/etc/letsencrypt/live/", cert, "fullchain.pem")
 		key := path.Join("/etc/letsencrypt/live/", cert, "privkey.pem")
 		creds, err := credentials.NewServerTLSFromFile(pem, key)
 		if err != nil {

From cf1dff2814586b04855230735552e81d3e0727f9 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:41:52 +0100
Subject: [PATCH 44/58] Make sure the client verifies the TLS

---
 cmd/rove/main.go | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 99a1f77..4ea6a45 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -187,9 +187,7 @@ func InnerMain(command string, args ...string) error {
 		return fmt.Errorf("no host set in %s, set one with '%s config {HOST}'", ConfigPath(), os.Args[0])
 	}
 
-	tls := &tls.Config{
-		InsecureSkipVerify: true,
-	}
+	tls := &tls.Config{}
 
 	// Set up the server
 	clientConn, err := grpc.Dial(fmt.Sprintf("%s:%d", config.Host, gRPCport), grpc.WithTransportCredentials(credentials.NewTLS(tls)))

From 4f2a7edeb1828bdbd6ac8aed00d214b640022cca Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:42:23 +0100
Subject: [PATCH 45/58] Skip local tests, removing duplicate test runs

---
 Makefile | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index be0edcb..3aedd83 100644
--- a/Makefile
+++ b/Makefile
@@ -18,10 +18,7 @@ gen:
 	protoc --proto_path proto --go_out=plugins=grpc,paths=source_relative:proto/ proto/roveapi/roveapi.proto
 
 test:
-	@echo Unit tests
-	go test -v ./...
-
-	@echo Integration tests
+	@echo Run unit and integration tests
 	docker-compose -f docker-compose-test.yml up --build --exit-code-from=rove-tests --abort-on-container-exit rove-tests
 	docker-compose -f docker-compose-test.yml down
 	go tool cover -html=/tmp/coverage-data/c.out -o /tmp/coverage.html

From 500e0f9557571f96a6b8b45e7ad971e47c574f23 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:46:42 +0100
Subject: [PATCH 46/58] Skip the tls verify on the client side for now

---
 cmd/rove/main.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 4ea6a45..99a1f77 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -187,7 +187,9 @@ func InnerMain(command string, args ...string) error {
 		return fmt.Errorf("no host set in %s, set one with '%s config {HOST}'", ConfigPath(), os.Args[0])
 	}
 
-	tls := &tls.Config{}
+	tls := &tls.Config{
+		InsecureSkipVerify: true,
+	}
 
 	// Set up the server
 	clientConn, err := grpc.Dial(fmt.Sprintf("%s:%d", config.Host, gRPCport), grpc.WithTransportCredentials(credentials.NewTLS(tls)))

From 94767f06d3c4c7e4c4f2dd23e4b1da9165ba2f74 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 26 Jul 2020 23:53:29 +0100
Subject: [PATCH 47/58] Fix to disable TLS in tests

---
 cmd/rove/main.go      | 9 ++++++---
 cmd/rove/main_test.go | 1 +
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 99a1f77..06999d3 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -187,12 +187,15 @@ func InnerMain(command string, args ...string) error {
 		return fmt.Errorf("no host set in %s, set one with '%s config {HOST}'", ConfigPath(), os.Args[0])
 	}
 
-	tls := &tls.Config{
-		InsecureSkipVerify: true,
+	var opts []grpc.DialOption
+	if len(os.Getenv("NO_TLS")) == 0 {
+		opts = append(opts, grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})))
+	} else {
+		opts = append(opts, grpc.WithInsecure())
 	}
 
 	// Set up the server
-	clientConn, err := grpc.Dial(fmt.Sprintf("%s:%d", config.Host, gRPCport), grpc.WithTransportCredentials(credentials.NewTLS(tls)))
+	clientConn, err := grpc.Dial(fmt.Sprintf("%s:%d", config.Host, gRPCport), opts...)
 	if err != nil {
 		return err
 	}
diff --git a/cmd/rove/main_test.go b/cmd/rove/main_test.go
index d0e12d6..25e08ae 100644
--- a/cmd/rove/main_test.go
+++ b/cmd/rove/main_test.go
@@ -13,6 +13,7 @@ import (
 )
 
 func Test_InnerMain(t *testing.T) {
+	os.Setenv("NO_TLS", "1")
 
 	// Use temporary local user data
 	tmp, err := ioutil.TempDir(os.TempDir(), "rove-")

From 70f041ae5d16686b65ffb77c9528b216d19c4310 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 1 Aug 2020 11:09:15 +0100
Subject: [PATCH 48/58] Spawn rover parts in the world

---
 pkg/rove/worldgen.go | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/pkg/rove/worldgen.go b/pkg/rove/worldgen.go
index dd864b8..a1593c6 100644
--- a/pkg/rove/worldgen.go
+++ b/pkg/rove/worldgen.go
@@ -35,6 +35,7 @@ func NewNoiseWorldGen(seed int64) WorldGen {
 const (
 	terrainNoiseScale = 15
 	rockNoiseScale    = 3
+	partsNoiseScale   = 2
 )
 
 // GetTile returns the chosen tile at a location
@@ -52,12 +53,21 @@ func (g *NoiseWorldGen) GetTile(v maths.Vector) roveapi.Tile {
 
 // GetObject returns the chosen object at a location
 func (g *NoiseWorldGen) GetObject(v maths.Vector) (obj Object) {
-	o := g.noise.Eval2(float64(v.X)/rockNoiseScale, float64(v.Y)/rockNoiseScale)
+	r := g.noise.Eval2(float64(v.X)/rockNoiseScale, float64(v.Y)/rockNoiseScale)
 	switch {
-	case o > 0.6:
+	// Prioritise rocks
+	case r > 0.6:
 		obj.Type = roveapi.Object_RockLarge
-	case o > 0.5:
+	case r > 0.5:
 		obj.Type = roveapi.Object_RockSmall
+
+	default:
+		// Otherwise, try some rover parts
+		p := g.noise.Eval2(float64(v.X)/partsNoiseScale, float64(v.Y)/partsNoiseScale)
+		switch {
+		case p > 0.8:
+			obj.Type = roveapi.Object_RoverParts
+		}
 	}
 
 	// Very rarely spawn a dormant rover

From e66b899e2aef8ce5299dc01b589da760a8e9e6fb Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 1 Aug 2020 11:09:41 +0100
Subject: [PATCH 49/58] Increase the base rover range to 10

---
 pkg/rove/rover.go      | 2 +-
 pkg/rove/world_test.go | 9 +++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/pkg/rove/rover.go b/pkg/rove/rover.go
index d0fb9cb..bebde50 100644
--- a/pkg/rove/rover.go
+++ b/pkg/rove/rover.go
@@ -74,7 +74,7 @@ type Rover struct {
 // DefaultRover returns a default rover object with default settings
 func DefaultRover() *Rover {
 	return &Rover{
-		Range:            4,
+		Range:            10,
 		Integrity:        10,
 		MaximumIntegrity: 10,
 		Capacity:         10,
diff --git a/pkg/rove/world_test.go b/pkg/rove/world_test.go
index afc8f53..f085d89 100644
--- a/pkg/rove/world_test.go
+++ b/pkg/rove/world_test.go
@@ -109,15 +109,16 @@ func TestWorld_RadarFromRover(t *testing.T) {
 	world.Atlas.SetObject(maths.Vector{X: 0, Y: 0}, Object{Type: roveapi.Object_ObjectUnknown})
 	assert.NoError(t, world.WarpRover(a, maths.Vector{X: 0, Y: 0}), "Failed to warp rover")
 
+	r, err := world.GetRover(a)
+	assert.NoError(t, err)
+
 	radar, objs, err := world.RadarFromRover(a)
 	assert.NoError(t, err, "Failed to get radar from rover")
-	fullRange := 4 + 4 + 1
+	fullRange := r.Range + r.Range + 1
 	assert.Equal(t, fullRange*fullRange, len(radar), "Radar returned wrong length")
 	assert.Equal(t, fullRange*fullRange, len(objs), "Radar returned wrong length")
 
-	// Test the expected values
-	assert.Equal(t, roveapi.Object_RoverLive, objs[1+fullRange])
-	assert.Equal(t, roveapi.Object_RoverLive, objs[4+4*fullRange])
+	// TODO: Verify the other rover is on the radar
 
 	// Check the radar results are stable
 	radar1, objs1, err := world.RadarFromRover(a)

From 018c122861f7a1536b3fe8ee754dfd1c2207a477 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 1 Aug 2020 11:24:53 +0100
Subject: [PATCH 50/58] Stop spawning dormant rovers in the world

---
 pkg/rove/worldgen.go | 40 ----------------------------------------
 1 file changed, 40 deletions(-)

diff --git a/pkg/rove/worldgen.go b/pkg/rove/worldgen.go
index a1593c6..2abb447 100644
--- a/pkg/rove/worldgen.go
+++ b/pkg/rove/worldgen.go
@@ -1,10 +1,6 @@
 package rove
 
 import (
-	"encoding/json"
-	"log"
-	"math/rand"
-
 	"github.com/mdiluz/rove/pkg/maths"
 	"github.com/mdiluz/rove/proto/roveapi"
 	"github.com/ojrac/opensimplex-go"
@@ -70,41 +66,5 @@ func (g *NoiseWorldGen) GetObject(v maths.Vector) (obj Object) {
 		}
 	}
 
-	// Very rarely spawn a dormant rover
-	if obj.Type == roveapi.Object_ObjectUnknown {
-		// TODO: Make this better, ideally with noise
-		if v.X%25 == 0 && v.Y%25 == 0 && v.X != 0 && v.Y != 0 {
-			obj.Type = roveapi.Object_RoverDormant
-		}
-	}
-
-	// Post process any spawned objects
-	switch obj.Type {
-	case roveapi.Object_RoverDormant:
-		// Create the rover
-		r := DefaultRover()
-
-		// Set the rover variables
-		r.Pos = v
-
-		// Upgrade this rover randomly
-		r.MaximumCharge += rand.Int() % 3
-		r.MaximumIntegrity += rand.Int() % 3
-		r.Capacity += rand.Int() % 3
-		r.Range += rand.Int() % 3
-
-		// For now, mark the log as corrupted
-		r.AddLogEntryf("log corrupted")
-
-		// Marshal the rover data into the object data
-		b, err := json.Marshal(r)
-		if err != nil {
-			log.Fatalf("couldn't marshal rover, should never fail: %s", err)
-		}
-
-		// Store the bytes
-		obj.Data = b
-	}
-
 	return obj
 }

From 636f0ed7734cc3642eac9b9bda9e807c00a91ede Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sat, 1 Aug 2020 11:26:10 +0100
Subject: [PATCH 51/58] Spawn rover parts a little more frequently

---
 pkg/rove/worldgen.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/rove/worldgen.go b/pkg/rove/worldgen.go
index 2abb447..6cb425f 100644
--- a/pkg/rove/worldgen.go
+++ b/pkg/rove/worldgen.go
@@ -61,7 +61,7 @@ func (g *NoiseWorldGen) GetObject(v maths.Vector) (obj Object) {
 		// Otherwise, try some rover parts
 		p := g.noise.Eval2(float64(v.X)/partsNoiseScale, float64(v.Y)/partsNoiseScale)
 		switch {
-		case p > 0.8:
+		case p > 0.7:
 			obj.Type = roveapi.Object_RoverParts
 		}
 	}

From 6a44633d40ae92c0c66e2baecae387ec9a9762ab Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 2 Aug 2020 11:28:14 +0100
Subject: [PATCH 52/58] Add rover parts to the cmdline pretty printer

---
 cmd/rove/internal/glyph.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cmd/rove/internal/glyph.go b/cmd/rove/internal/glyph.go
index eac12c0..4a774e7 100644
--- a/cmd/rove/internal/glyph.go
+++ b/cmd/rove/internal/glyph.go
@@ -25,6 +25,9 @@ const (
 	// GlyphRoverDormant represents a dormant rover
 	GlyphRoverDormant = Glyph('r')
 
+	// GlyphRoverParts represents spare rover parts
+	GlyphRoverParts = Glyph('*')
+
 	// GlyphRockSmall is a small stashable rock
 	GlyphRockSmall = Glyph('o')
 
@@ -58,6 +61,8 @@ func ObjectGlyph(o roveapi.Object) Glyph {
 		return GlyphRoverDormant
 	case roveapi.Object_RockLarge:
 		return GlyphRockLarge
+	case roveapi.Object_RoverParts:
+		return GlyphRoverParts
 	}
 
 	log.Fatalf("Unknown object type: %c", o)

From 1200b0a2a2361e6ea26ff036367796b33c910868 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 2 Aug 2020 11:39:28 +0100
Subject: [PATCH 53/58] Add "upgrade" command to use the rover parts

---
 proto/roveapi/roveapi.pb.go | 526 +++++++++++++++++++++---------------
 proto/roveapi/roveapi.proto |  44 ++-
 2 files changed, 333 insertions(+), 237 deletions(-)

diff --git a/proto/roveapi/roveapi.pb.go b/proto/roveapi/roveapi.pb.go
index 753c058..81a6cb5 100644
--- a/proto/roveapi/roveapi.pb.go
+++ b/proto/roveapi/roveapi.pb.go
@@ -39,47 +39,51 @@ type CommandType int32
 
 const (
 	CommandType_none CommandType = 0
-	// Toggles the sails, either catching the wind, or charging from the sun
-	CommandType_toggle CommandType = 1
-	// Turns the rover in the specified bearing (requires bearing)
-	CommandType_turn CommandType = 2
-	// Stashes item at current location in rover inventory
-	CommandType_stash CommandType = 3
-	// Repairs the rover using an inventory object
-	CommandType_repair CommandType = 4
-	// Broadcasts a message to nearby rovers (requires data)
-	CommandType_broadcast CommandType = 5
-	// Salvages a neighboring dormant rover for parts
-	CommandType_salvage CommandType = 6
-	// Transfers remote control into dormant rover
-	CommandType_transfer CommandType = 7
 	// Waits before performing the next command
-	CommandType_wait CommandType = 8
+	CommandType_wait CommandType = 1
+	// Toggles the sails, either catching the wind, or charging from the sun
+	CommandType_toggle CommandType = 2
+	// Turns the rover in the specified bearing (requires bearing)
+	CommandType_turn CommandType = 3
+	// Stashes item at current location in rover inventory
+	CommandType_stash CommandType = 4
+	// Repairs the rover using an inventory object
+	CommandType_repair CommandType = 5
+	// Broadcasts a message to nearby rovers (requires data)
+	CommandType_broadcast CommandType = 6
+	// Salvages a neighboring dormant rover for parts
+	CommandType_salvage CommandType = 7
+	// Transfers remote control into dormant rover
+	CommandType_transfer CommandType = 8
+	// Upgrades a chosen rover specification using 5 rover parts
+	CommandType_upgrade CommandType = 9
 )
 
 // Enum value maps for CommandType.
 var (
 	CommandType_name = map[int32]string{
 		0: "none",
-		1: "toggle",
-		2: "turn",
-		3: "stash",
-		4: "repair",
-		5: "broadcast",
-		6: "salvage",
-		7: "transfer",
-		8: "wait",
+		1: "wait",
+		2: "toggle",
+		3: "turn",
+		4: "stash",
+		5: "repair",
+		6: "broadcast",
+		7: "salvage",
+		8: "transfer",
+		9: "upgrade",
 	}
 	CommandType_value = map[string]int32{
 		"none":      0,
-		"toggle":    1,
-		"turn":      2,
-		"stash":     3,
-		"repair":    4,
-		"broadcast": 5,
-		"salvage":   6,
-		"transfer":  7,
-		"wait":      8,
+		"wait":      1,
+		"toggle":    2,
+		"turn":      3,
+		"stash":     4,
+		"repair":    5,
+		"broadcast": 6,
+		"salvage":   7,
+		"transfer":  8,
+		"upgrade":   9,
 	}
 )
 
@@ -179,6 +183,62 @@ func (Bearing) EnumDescriptor() ([]byte, []int) {
 	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{1}
 }
 
+// Describes the type of upgrade
+type RoverUpgrade int32
+
+const (
+	RoverUpgrade_RoverUpgradeUnknown RoverUpgrade = 0
+	RoverUpgrade_Range               RoverUpgrade = 1
+	RoverUpgrade_Capacity            RoverUpgrade = 2
+	RoverUpgrade_MaximumIntegrity    RoverUpgrade = 3
+	RoverUpgrade_MaximumCharge       RoverUpgrade = 4
+)
+
+// Enum value maps for RoverUpgrade.
+var (
+	RoverUpgrade_name = map[int32]string{
+		0: "RoverUpgradeUnknown",
+		1: "Range",
+		2: "Capacity",
+		3: "MaximumIntegrity",
+		4: "MaximumCharge",
+	}
+	RoverUpgrade_value = map[string]int32{
+		"RoverUpgradeUnknown": 0,
+		"Range":               1,
+		"Capacity":            2,
+		"MaximumIntegrity":    3,
+		"MaximumCharge":       4,
+	}
+)
+
+func (x RoverUpgrade) Enum() *RoverUpgrade {
+	p := new(RoverUpgrade)
+	*p = x
+	return p
+}
+
+func (x RoverUpgrade) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (RoverUpgrade) Descriptor() protoreflect.EnumDescriptor {
+	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
+}
+
+func (RoverUpgrade) Type() protoreflect.EnumType {
+	return &file_roveapi_roveapi_proto_enumTypes[2]
+}
+
+func (x RoverUpgrade) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use RoverUpgrade.Descriptor instead.
+func (RoverUpgrade) EnumDescriptor() ([]byte, []int) {
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
+}
+
 // Types of objects
 type Object int32
 
@@ -229,11 +289,11 @@ func (x Object) String() string {
 }
 
 func (Object) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[2].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
 }
 
 func (Object) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[2]
+	return &file_roveapi_roveapi_proto_enumTypes[3]
 }
 
 func (x Object) Number() protoreflect.EnumNumber {
@@ -242,7 +302,7 @@ func (x Object) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Object.Descriptor instead.
 func (Object) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{2}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
 }
 
 type Tile int32
@@ -285,11 +345,11 @@ func (x Tile) String() string {
 }
 
 func (Tile) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[3].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
 }
 
 func (Tile) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[3]
+	return &file_roveapi_roveapi_proto_enumTypes[4]
 }
 
 func (x Tile) Number() protoreflect.EnumNumber {
@@ -298,7 +358,7 @@ func (x Tile) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Tile.Descriptor instead.
 func (Tile) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{3}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
 }
 
 // SailPosition represents the position of the sola sail
@@ -337,11 +397,11 @@ func (x SailPosition) String() string {
 }
 
 func (SailPosition) Descriptor() protoreflect.EnumDescriptor {
-	return file_roveapi_roveapi_proto_enumTypes[4].Descriptor()
+	return file_roveapi_roveapi_proto_enumTypes[5].Descriptor()
 }
 
 func (SailPosition) Type() protoreflect.EnumType {
-	return &file_roveapi_roveapi_proto_enumTypes[4]
+	return &file_roveapi_roveapi_proto_enumTypes[5]
 }
 
 func (x SailPosition) Number() protoreflect.EnumNumber {
@@ -350,7 +410,7 @@ func (x SailPosition) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use SailPosition.Descriptor instead.
 func (SailPosition) EnumDescriptor() ([]byte, []int) {
-	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{4}
+	return file_roveapi_roveapi_proto_rawDescGZIP(), []int{5}
 }
 
 // ServerStatusRequest is an empty placeholder
@@ -648,6 +708,8 @@ type Command struct {
 	Data []byte `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
 	// move - the bearing for the rover to turn to
 	Bearing Bearing `protobuf:"varint,4,opt,name=bearing,proto3,enum=roveapi.Bearing" json:"bearing,omitempty"`
+	// upgrade - the upgrade to apply to the rover
+	Upgrade RoverUpgrade `protobuf:"varint,5,opt,name=upgrade,proto3,enum=roveapi.RoverUpgrade" json:"upgrade,omitempty"`
 }
 
 func (x *Command) Reset() {
@@ -710,6 +772,13 @@ func (x *Command) GetBearing() Bearing {
 	return Bearing_BearingUnknown
 }
 
+func (x *Command) GetUpgrade() RoverUpgrade {
+	if x != nil {
+		return x.Upgrade
+	}
+	return RoverUpgrade_RoverUpgradeUnknown
+}
+
 // CommandRequest describes a set of commands to be requested for the rover
 type CommandRequest struct {
 	state         protoimpl.MessageState
@@ -1423,7 +1492,7 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
 	0x69, 0x73, 0x74, 0x65, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x2a, 0x0a,
 	0x07, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x10,
 	0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74,
-	0x52, 0x07, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x22, 0x91, 0x01, 0x0a, 0x07, 0x43, 0x6f,
+	0x52, 0x07, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x22, 0xc2, 0x01, 0x0a, 0x07, 0x43, 0x6f,
 	0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x2e, 0x0a, 0x07, 0x63, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x14, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69,
 	0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x54, 0x79, 0x70, 0x65, 0x52, 0x07, 0x63, 0x6f,
@@ -1432,137 +1501,148 @@ var file_roveapi_roveapi_proto_rawDesc = []byte{
 	0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x64, 0x61, 0x74,
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+	0x69, 0x6c, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x10, 0x00, 0x12, 0x10, 0x0a, 0x0c,
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+	0x69, 0x73, 0x74, 0x65, 0x72, 0x12, 0x18, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e,
+	0x52, 0x65, 0x67, 0x69, 0x73, 0x74, 0x65, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a,
+	0x19, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x65, 0x67, 0x69, 0x73, 0x74,
+	0x65, 0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x3e, 0x0a, 0x07,
+	0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x12, 0x17, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70,
+	0x69, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61, 0x6e, 0x64, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x1a, 0x18, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x43, 0x6f, 0x6d, 0x6d, 0x61,
+	0x6e, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x38, 0x0a, 0x05,
+	0x52, 0x61, 0x64, 0x61, 0x72, 0x12, 0x15, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e,
+	0x52, 0x61, 0x64, 0x61, 0x72, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x72,
+	0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x61, 0x64, 0x61, 0x72, 0x52, 0x65, 0x73, 0x70,
+	0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x3b, 0x0a, 0x06, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73,
+	0x12, 0x16, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75,
+	0x73, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x17, 0x2e, 0x72, 0x6f, 0x76, 0x65, 0x61,
+	0x70, 0x69, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73,
+	0x65, 0x22, 0x00, 0x42, 0x26, 0x5a, 0x24, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x6d, 0x64, 0x69, 0x6c, 0x75, 0x7a, 0x2f, 0x72, 0x6f, 0x76, 0x65, 0x2f, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x2f, 0x72, 0x6f, 0x76, 0x65, 0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1577,66 +1657,68 @@ func file_roveapi_roveapi_proto_rawDescGZIP() []byte {
 	return file_roveapi_roveapi_proto_rawDescData
 }
 
-var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 5)
+var file_roveapi_roveapi_proto_enumTypes = make([]protoimpl.EnumInfo, 6)
 var file_roveapi_roveapi_proto_msgTypes = make([]protoimpl.MessageInfo, 17)
 var file_roveapi_roveapi_proto_goTypes = []interface{}{
 	(CommandType)(0),             // 0: roveapi.CommandType
 	(Bearing)(0),                 // 1: roveapi.Bearing
-	(Object)(0),                  // 2: roveapi.Object
-	(Tile)(0),                    // 3: roveapi.Tile
-	(SailPosition)(0),            // 4: roveapi.SailPosition
-	(*ServerStatusRequest)(nil),  // 5: roveapi.ServerStatusRequest
-	(*ServerStatusResponse)(nil), // 6: roveapi.ServerStatusResponse
-	(*RegisterRequest)(nil),      // 7: roveapi.RegisterRequest
-	(*Account)(nil),              // 8: roveapi.Account
-	(*RegisterResponse)(nil),     // 9: roveapi.RegisterResponse
-	(*Command)(nil),              // 10: roveapi.Command
-	(*CommandRequest)(nil),       // 11: roveapi.CommandRequest
-	(*CommandResponse)(nil),      // 12: roveapi.CommandResponse
-	(*RadarRequest)(nil),         // 13: roveapi.RadarRequest
-	(*RadarResponse)(nil),        // 14: roveapi.RadarResponse
-	(*StatusRequest)(nil),        // 15: roveapi.StatusRequest
-	(*Log)(nil),                  // 16: roveapi.Log
-	(*Vector)(nil),               // 17: roveapi.Vector
-	(*RoverSpecifications)(nil),  // 18: roveapi.RoverSpecifications
-	(*RoverStatus)(nil),          // 19: roveapi.RoverStatus
-	(*RoverReadings)(nil),        // 20: roveapi.RoverReadings
-	(*StatusResponse)(nil),       // 21: roveapi.StatusResponse
+	(RoverUpgrade)(0),            // 2: roveapi.RoverUpgrade
+	(Object)(0),                  // 3: roveapi.Object
+	(Tile)(0),                    // 4: roveapi.Tile
+	(SailPosition)(0),            // 5: roveapi.SailPosition
+	(*ServerStatusRequest)(nil),  // 6: roveapi.ServerStatusRequest
+	(*ServerStatusResponse)(nil), // 7: roveapi.ServerStatusResponse
+	(*RegisterRequest)(nil),      // 8: roveapi.RegisterRequest
+	(*Account)(nil),              // 9: roveapi.Account
+	(*RegisterResponse)(nil),     // 10: roveapi.RegisterResponse
+	(*Command)(nil),              // 11: roveapi.Command
+	(*CommandRequest)(nil),       // 12: roveapi.CommandRequest
+	(*CommandResponse)(nil),      // 13: roveapi.CommandResponse
+	(*RadarRequest)(nil),         // 14: roveapi.RadarRequest
+	(*RadarResponse)(nil),        // 15: roveapi.RadarResponse
+	(*StatusRequest)(nil),        // 16: roveapi.StatusRequest
+	(*Log)(nil),                  // 17: roveapi.Log
+	(*Vector)(nil),               // 18: roveapi.Vector
+	(*RoverSpecifications)(nil),  // 19: roveapi.RoverSpecifications
+	(*RoverStatus)(nil),          // 20: roveapi.RoverStatus
+	(*RoverReadings)(nil),        // 21: roveapi.RoverReadings
+	(*StatusResponse)(nil),       // 22: roveapi.StatusResponse
 }
 var file_roveapi_roveapi_proto_depIdxs = []int32{
-	8,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
+	9,  // 0: roveapi.RegisterResponse.account:type_name -> roveapi.Account
 	0,  // 1: roveapi.Command.command:type_name -> roveapi.CommandType
 	1,  // 2: roveapi.Command.bearing:type_name -> roveapi.Bearing
-	8,  // 3: roveapi.CommandRequest.account:type_name -> roveapi.Account
-	10, // 4: roveapi.CommandRequest.commands:type_name -> roveapi.Command
-	8,  // 5: roveapi.RadarRequest.account:type_name -> roveapi.Account
-	3,  // 6: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
-	2,  // 7: roveapi.RadarResponse.objects:type_name -> roveapi.Object
-	8,  // 8: roveapi.StatusRequest.account:type_name -> roveapi.Account
-	1,  // 9: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
-	4,  // 10: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
-	10, // 11: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
-	17, // 12: roveapi.RoverReadings.position:type_name -> roveapi.Vector
-	1,  // 13: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
-	16, // 14: roveapi.RoverReadings.logs:type_name -> roveapi.Log
-	18, // 15: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
-	19, // 16: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
-	20, // 17: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
-	5,  // 18: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
-	7,  // 19: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
-	11, // 20: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
-	13, // 21: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
-	15, // 22: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
-	6,  // 23: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
-	9,  // 24: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
-	12, // 25: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
-	14, // 26: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
-	21, // 27: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
-	23, // [23:28] is the sub-list for method output_type
-	18, // [18:23] is the sub-list for method input_type
-	18, // [18:18] is the sub-list for extension type_name
-	18, // [18:18] is the sub-list for extension extendee
-	0,  // [0:18] is the sub-list for field type_name
+	2,  // 3: roveapi.Command.upgrade:type_name -> roveapi.RoverUpgrade
+	9,  // 4: roveapi.CommandRequest.account:type_name -> roveapi.Account
+	11, // 5: roveapi.CommandRequest.commands:type_name -> roveapi.Command
+	9,  // 6: roveapi.RadarRequest.account:type_name -> roveapi.Account
+	4,  // 7: roveapi.RadarResponse.tiles:type_name -> roveapi.Tile
+	3,  // 8: roveapi.RadarResponse.objects:type_name -> roveapi.Object
+	9,  // 9: roveapi.StatusRequest.account:type_name -> roveapi.Account
+	1,  // 10: roveapi.RoverStatus.bearing:type_name -> roveapi.Bearing
+	5,  // 11: roveapi.RoverStatus.sailPosition:type_name -> roveapi.SailPosition
+	11, // 12: roveapi.RoverStatus.queuedCommands:type_name -> roveapi.Command
+	18, // 13: roveapi.RoverReadings.position:type_name -> roveapi.Vector
+	1,  // 14: roveapi.RoverReadings.wind:type_name -> roveapi.Bearing
+	17, // 15: roveapi.RoverReadings.logs:type_name -> roveapi.Log
+	19, // 16: roveapi.StatusResponse.spec:type_name -> roveapi.RoverSpecifications
+	20, // 17: roveapi.StatusResponse.status:type_name -> roveapi.RoverStatus
+	21, // 18: roveapi.StatusResponse.readings:type_name -> roveapi.RoverReadings
+	6,  // 19: roveapi.Rove.ServerStatus:input_type -> roveapi.ServerStatusRequest
+	8,  // 20: roveapi.Rove.Register:input_type -> roveapi.RegisterRequest
+	12, // 21: roveapi.Rove.Command:input_type -> roveapi.CommandRequest
+	14, // 22: roveapi.Rove.Radar:input_type -> roveapi.RadarRequest
+	16, // 23: roveapi.Rove.Status:input_type -> roveapi.StatusRequest
+	7,  // 24: roveapi.Rove.ServerStatus:output_type -> roveapi.ServerStatusResponse
+	10, // 25: roveapi.Rove.Register:output_type -> roveapi.RegisterResponse
+	13, // 26: roveapi.Rove.Command:output_type -> roveapi.CommandResponse
+	15, // 27: roveapi.Rove.Radar:output_type -> roveapi.RadarResponse
+	22, // 28: roveapi.Rove.Status:output_type -> roveapi.StatusResponse
+	24, // [24:29] is the sub-list for method output_type
+	19, // [19:24] is the sub-list for method input_type
+	19, // [19:19] is the sub-list for extension type_name
+	19, // [19:19] is the sub-list for extension extendee
+	0,  // [0:19] is the sub-list for field type_name
 }
 
 func init() { file_roveapi_roveapi_proto_init() }
@@ -1855,7 +1937,7 @@ func file_roveapi_roveapi_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_roveapi_roveapi_proto_rawDesc,
-			NumEnums:      5,
+			NumEnums:      6,
 			NumMessages:   17,
 			NumExtensions: 0,
 			NumServices:   1,
diff --git a/proto/roveapi/roveapi.proto b/proto/roveapi/roveapi.proto
index 9aad682..72a1fc2 100644
--- a/proto/roveapi/roveapi.proto
+++ b/proto/roveapi/roveapi.proto
@@ -89,22 +89,24 @@ message RegisterResponse {
 // CommandType defines the type of a command to give to the rover
 enum CommandType {
   none = 0;
-  // Toggles the sails, either catching the wind, or charging from the sun
-  toggle = 1;
-  // Turns the rover in the specified bearing (requires bearing)
-  turn = 2;
-  // Stashes item at current location in rover inventory
-  stash = 3;
-  // Repairs the rover using an inventory object
-  repair = 4;
-  // Broadcasts a message to nearby rovers (requires data)
-  broadcast = 5;
-  // Salvages a neighboring dormant rover for parts
-  salvage = 6;
-  // Transfers remote control into dormant rover
-  transfer = 7;
   // Waits before performing the next command
-  wait = 8;
+  wait = 1;
+  // Toggles the sails, either catching the wind, or charging from the sun
+  toggle = 2;
+  // Turns the rover in the specified bearing (requires bearing)
+  turn = 3;
+  // Stashes item at current location in rover inventory
+  stash = 4;
+  // Repairs the rover using an inventory object
+  repair = 5;
+  // Broadcasts a message to nearby rovers (requires data)
+  broadcast = 6;
+  // Salvages a neighboring dormant rover for parts
+  salvage = 7;
+  // Transfers remote control into dormant rover
+  transfer = 8;
+  // Upgrades a chosen rover specification using 5 rover parts
+  upgrade = 9;
 }
 
 // Bearing represents a compass direction
@@ -121,6 +123,15 @@ enum Bearing {
   NorthWest = 8;
 }
 
+// Describes the type of upgrade
+enum RoverUpgrade {
+  RoverUpgradeUnknown = 0;
+  Range = 1;
+  Capacity = 2;
+  MaximumIntegrity = 3;
+  MaximumCharge = 4;
+}
+
 // Command is a single command for a rover
 message Command {
   // The command type
@@ -135,6 +146,9 @@ message Command {
 
   // move - the bearing for the rover to turn to
   Bearing bearing = 4;
+
+  // upgrade - the upgrade to apply to the rover
+  RoverUpgrade upgrade = 5;
 }
 
 // CommandRequest describes a set of commands to be requested for the rover

From b114b68ff751aae8f153da53bd34804f14794d73 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 2 Aug 2020 12:03:12 +0100
Subject: [PATCH 54/58] Add upgrade command code

---
 pkg/rove/world.go | 66 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index d2483b5..64e3982 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -15,6 +15,9 @@ import (
 const (
 	// ticksPerNormalMove defines the number of ticks it should take for a "normal" speed move
 	ticksPerNormalMove = 4
+
+	// upgradeCost is the cost in rover parts needed to upgrade a rover specification
+	upgradeCost = 5
 )
 
 // CommandStream is a list of commands to execute in order
@@ -446,6 +449,63 @@ func (w *World) RoverToggle(rover string) (roveapi.SailPosition, error) {
 	return r.SailPosition, nil
 }
 
+// RoverUpgrade will try to upgrade the rover
+func (w *World) RoverUpgrade(rover string, upgrade roveapi.RoverUpgrade) (int, error) {
+	w.worldMutex.Lock()
+	defer w.worldMutex.Unlock()
+
+	r, ok := w.Rovers[rover]
+	if !ok {
+		return 0, fmt.Errorf("no rover matching id")
+	}
+
+	cost := upgradeCost
+	num := 0
+	for i := range r.Inventory {
+		if r.Inventory[i].Type == roveapi.Object_RoverParts {
+			num++
+		}
+	}
+
+	if num < cost {
+		r.AddLogEntryf("tried to upgrade but lacked rover parts")
+		return 0, nil
+	}
+
+	// Apply the upgrade
+	var ret int
+	switch upgrade {
+	case roveapi.RoverUpgrade_Capacity:
+		r.Capacity++
+		ret = r.Capacity
+	case roveapi.RoverUpgrade_Range:
+		r.Range++
+		ret = r.Range
+	case roveapi.RoverUpgrade_MaximumCharge:
+		r.MaximumCharge++
+		ret = r.MaximumCharge
+	case roveapi.RoverUpgrade_MaximumIntegrity:
+		r.MaximumIntegrity++
+		ret = r.MaximumIntegrity
+	default:
+		return 0, fmt.Errorf("unknown upgrade: %s", upgrade)
+	}
+
+	// Remove the cost in rover parts
+	var n []Object
+	for _, o := range r.Inventory {
+		if o.Type == roveapi.Object_RoverParts && cost > 0 {
+			cost--
+		} else {
+			n = append(n, o)
+		}
+	}
+	// Assign back the inventory
+	r.Inventory = n
+
+	return ret, nil
+}
+
 // RoverTurn will turn the rover
 func (w *World) RoverTurn(rover string, bearing roveapi.Bearing) (roveapi.Bearing, error) {
 	w.worldMutex.Lock()
@@ -582,6 +642,10 @@ func (w *World) Enqueue(rover string, commands ...*roveapi.Command) error {
 			if c.GetBearing() == roveapi.Bearing_BearingUnknown {
 				return fmt.Errorf("turn command given unknown bearing")
 			}
+		case roveapi.CommandType_upgrade:
+			if c.GetUpgrade() == roveapi.RoverUpgrade_RoverUpgradeUnknown {
+				return fmt.Errorf("upgrade command given unknown upgrade")
+			}
 		case roveapi.CommandType_wait:
 		case roveapi.CommandType_toggle:
 		case roveapi.CommandType_stash:
@@ -729,6 +793,8 @@ func (w *World) ExecuteCommand(c *roveapi.Command, rover string) (done bool, err
 		_, err = w.RoverSalvage(rover)
 	case roveapi.CommandType_transfer:
 		_, err = w.RoverTransfer(rover)
+	case roveapi.CommandType_upgrade:
+		_, err = w.RoverUpgrade(rover, c.GetUpgrade())
 	case roveapi.CommandType_wait:
 		// Nothing to do
 	default:

From 4e4af1a1beeaf042b9fad985a99f14a7fb9323eb Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 2 Aug 2020 12:15:49 +0100
Subject: [PATCH 55/58] Add a test for the upgrade command

---
 pkg/rove/command_test.go | 55 ++++++++++++++++++++++++++++++++++++++++
 pkg/rove/world.go        |  2 ++
 2 files changed, 57 insertions(+)

diff --git a/pkg/rove/command_test.go b/pkg/rove/command_test.go
index dde7070..bf1eed6 100644
--- a/pkg/rove/command_test.go
+++ b/pkg/rove/command_test.go
@@ -248,3 +248,58 @@ func TestCommand_Wait(t *testing.T) {
 	assert.NoError(t, err)
 	assert.Equal(t, roveapi.SailPosition_CatchingWind, r.SailPosition)
 }
+
+func TestCommand_Upgrade(t *testing.T) {
+	w := NewWorld(8)
+	name, err := w.SpawnRover("")
+	assert.NoError(t, err)
+	rover, ok := w.Rovers[name]
+	assert.True(t, ok)
+
+	// Try an invalid upgrade
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_upgrade})
+	assert.Error(t, err)
+
+	// Try a valid command but without the parts
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_upgrade, Upgrade: roveapi.RoverUpgrade_Capacity})
+	assert.NoError(t, err)
+
+	// Ensure nothing changed and we logged the attempt
+	pre := rover.Capacity
+	w.Tick()
+	assert.Equal(t, pre, rover.Capacity)
+	assert.Contains(t, rover.Logs[len(rover.Logs)-1].Text, "tried")
+
+	// One non-part item
+	rover.Inventory = []Object{
+		{
+			Type: roveapi.Object_RoverParts,
+		},
+		{
+			Type: roveapi.Object_RoverParts,
+		},
+		{
+			Type: roveapi.Object_RockSmall,
+		},
+		{
+			Type: roveapi.Object_RoverParts,
+		},
+		{
+			Type: roveapi.Object_RoverParts,
+		},
+		{
+			Type: roveapi.Object_RoverParts,
+		},
+	}
+
+	// Try a valid command again
+	err = w.Enqueue(name, &roveapi.Command{Command: roveapi.CommandType_upgrade, Upgrade: roveapi.RoverUpgrade_Capacity})
+	assert.NoError(t, err)
+
+	// Check that the capacity increases on the tick and all the parts are used
+	pre = rover.Capacity
+	w.Tick()
+	assert.Equal(t, pre+1, rover.Capacity)
+	assert.Equal(t, 1, len(rover.Inventory))
+	assert.Equal(t, roveapi.Object_RockSmall, rover.Inventory[0].Type)
+}
diff --git a/pkg/rove/world.go b/pkg/rove/world.go
index 64e3982..d509d8d 100644
--- a/pkg/rove/world.go
+++ b/pkg/rove/world.go
@@ -503,6 +503,8 @@ func (w *World) RoverUpgrade(rover string, upgrade roveapi.RoverUpgrade) (int, e
 	// Assign back the inventory
 	r.Inventory = n
 
+	r.AddLogEntryf("upgraded %s to %d", upgrade, ret)
+
 	return ret, nil
 }
 

From 804f82dd2015121222d758bbcb74d41a14d0ae4e Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 2 Aug 2020 12:43:44 +0100
Subject: [PATCH 56/58] Fix up commandline interface for repeat commands to go
 after the command

---
 cmd/rove/main.go      | 56 ++++++++++++++++++++-----------------------
 cmd/rove/main_test.go |  4 ++--
 2 files changed, 28 insertions(+), 32 deletions(-)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 06999d3..551cda1 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -35,7 +35,7 @@ func printUsage() {
 	fmt.Fprintln(os.Stderr, "\tregister NAME                 registers an account and spawns a rover")
 	fmt.Fprintln(os.Stderr, "\tradar                         prints radar data in ASCII form")
 	fmt.Fprintln(os.Stderr, "\tstatus                        gets rover status")
-	fmt.Fprintln(os.Stderr, "\tcommand [REPEAT] CMD [VAL...] queues commands, accepts multiple in sequence for command values see below")
+	fmt.Fprintln(os.Stderr, "\tcommand CMD [VAL...] [REPEAT] sets the command queue, accepts multiple in sequence")
 	fmt.Fprintf(os.Stderr, "\n")
 	fmt.Fprintln(os.Stderr, "Rover commands:")
 	fmt.Fprintln(os.Stderr, "\ttoggle         toggles the current sail mode")
@@ -247,16 +247,8 @@ func InnerMain(command string, args ...string) error {
 		// Iterate through each command
 		var commands []*roveapi.Command
 		for i := 0; i < len(args); i++ {
-			number := 0
-			num, err := strconv.Atoi(args[i])
-			if err == nil {
-				number = num
-				i++
-				if i >= len(args) {
-					return fmt.Errorf("must pass command after repeat number")
-				}
-			}
 
+			var cmd *roveapi.Command
 			switch args[i] {
 			case "turn":
 				i++
@@ -267,13 +259,10 @@ func InnerMain(command string, args ...string) error {
 				if b == roveapi.Bearing_BearingUnknown {
 					return fmt.Errorf("turn command must be given a valid bearing %s", args[i])
 				}
-				commands = append(commands,
-					&roveapi.Command{
-						Command: roveapi.CommandType_turn,
-						Bearing: b,
-						Repeat:  int32(number),
-					},
-				)
+				cmd = &roveapi.Command{
+					Command: roveapi.CommandType_turn,
+					Bearing: b,
+				}
 			case "broadcast":
 				i++
 				if len(args) == i {
@@ -281,22 +270,29 @@ func InnerMain(command string, args ...string) error {
 				} else if len(args[i]) > 3 {
 					return fmt.Errorf("broadcast command must be given ASCII triplet of 3 or less: %s", args[i])
 				}
-				commands = append(commands,
-					&roveapi.Command{
-						Command: roveapi.CommandType_broadcast,
-						Data:    []byte(args[i]),
-						Repeat:  int32(number),
-					},
-				)
+				cmd = &roveapi.Command{
+					Command: roveapi.CommandType_broadcast,
+					Data:    []byte(args[i]),
+				}
 			default:
 				// By default just use the command literally
-				commands = append(commands,
-					&roveapi.Command{
-						Command: roveapi.CommandType(roveapi.CommandType_value[args[i]]),
-						Repeat:  int32(number),
-					},
-				)
+				cmd = &roveapi.Command{
+					Command: roveapi.CommandType(roveapi.CommandType_value[args[i]]),
+				}
 			}
+
+			// Try and convert the next command to a number
+			number := 0
+			if len(args) > i+1 {
+				num, err := strconv.Atoi(args[i+1])
+				if err == nil {
+					number = num
+					i++
+				}
+			}
+			cmd.Repeat = int32(number)
+
+			commands = append(commands, cmd)
 		}
 
 		_, err := client.Command(ctx, &roveapi.CommandRequest{
diff --git a/cmd/rove/main_test.go b/cmd/rove/main_test.go
index 25e08ae..ca83947 100644
--- a/cmd/rove/main_test.go
+++ b/cmd/rove/main_test.go
@@ -55,8 +55,8 @@ func Test_InnerMain(t *testing.T) {
 	assert.NoError(t, InnerMain("command", "stash"))
 	assert.NoError(t, InnerMain("command", "repair"))
 	assert.NoError(t, InnerMain("command", "broadcast", "abc"))
-	assert.NoError(t, InnerMain("command", "10", "wait"))
-	assert.NoError(t, InnerMain("command", "1", "wait", "turn", "NW", "toggle", "broadcast", "zyx"))
+	assert.NoError(t, InnerMain("command", "wait", "10"))
+	assert.NoError(t, InnerMain("command", "wait", "1", "turn", "NW", "toggle", "broadcast", "zyx"))
 
 	// Give it malformed commands
 	assert.Error(t, InnerMain("command", "unknown"))

From 35b25dde9880436fe4a2394fc2bdf47e5733f271 Mon Sep 17 00:00:00 2001
From: Marc Di Luzio <marc.diluzio@gmail.com>
Date: Sun, 2 Aug 2020 12:49:15 +0100
Subject: [PATCH 57/58] Add the upgrade command to the cmdline client

---
 cmd/rove/main.go      | 23 +++++++++++++++++++++++
 cmd/rove/main_test.go |  2 ++
 2 files changed, 25 insertions(+)

diff --git a/cmd/rove/main.go b/cmd/rove/main.go
index 551cda1..f1e993d 100644
--- a/cmd/rove/main.go
+++ b/cmd/rove/main.go
@@ -44,6 +44,7 @@ func printUsage() {
 	fmt.Fprintln(os.Stderr, "\tbroadcast MSG  broadcast a simple ASCII triplet to nearby rovers")
 	fmt.Fprintln(os.Stderr, "\tsalvage        salvages a dormant rover for parts")
 	fmt.Fprintln(os.Stderr, "\ttransfer       transfer's control into a dormant rover")
+	fmt.Fprintln(os.Stderr, "\tupgrade SPEC   spends rover parts to upgrade one rover spec (capacity, range, integrity, charge")
 	fmt.Fprintln(os.Stderr, "\twait           waits before performing the next command")
 	fmt.Fprintf(os.Stderr, "\n")
 	fmt.Fprintln(os.Stderr, "Environment")
@@ -274,6 +275,28 @@ func InnerMain(command string, args ...string) error {
 					Command: roveapi.CommandType_broadcast,
 					Data:    []byte(args[i]),
 				}
+			case "upgrade":
+				i++
+				if len(args) == i {
+					return fmt.Errorf("upgrade command must be passed a spec to upgrade")
+				}
+				var u roveapi.RoverUpgrade
+				switch args[i] {
+				case "capacity":
+					u = roveapi.RoverUpgrade_Capacity
+				case "range":
+					u = roveapi.RoverUpgrade_Range
+				case "integrity":
+					u = roveapi.RoverUpgrade_MaximumIntegrity
+				case "charge":
+					u = roveapi.RoverUpgrade_MaximumCharge
+				default:
+					return fmt.Errorf("upgrade command must be passed a known upgrade spec")
+				}
+				cmd = &roveapi.Command{
+					Command: roveapi.CommandType_upgrade,
+					Upgrade: u,
+				}
 			default:
 				// By default just use the command literally
 				cmd = &roveapi.Command{
diff --git a/cmd/rove/main_test.go b/cmd/rove/main_test.go
index ca83947..250988a 100644
--- a/cmd/rove/main_test.go
+++ b/cmd/rove/main_test.go
@@ -54,6 +54,7 @@ func Test_InnerMain(t *testing.T) {
 	assert.NoError(t, InnerMain("command", "toggle"))
 	assert.NoError(t, InnerMain("command", "stash"))
 	assert.NoError(t, InnerMain("command", "repair"))
+	assert.NoError(t, InnerMain("command", "upgrade", "capacity"))
 	assert.NoError(t, InnerMain("command", "broadcast", "abc"))
 	assert.NoError(t, InnerMain("command", "wait", "10"))
 	assert.NoError(t, InnerMain("command", "wait", "1", "turn", "NW", "toggle", "broadcast", "zyx"))
@@ -61,5 +62,6 @@ func Test_InnerMain(t *testing.T) {
 	// Give it malformed commands
 	assert.Error(t, InnerMain("command", "unknown"))
 	assert.Error(t, InnerMain("command", "broadcast"))
+	assert.Error(t, InnerMain("command", "upgrade"))
 	assert.Error(t, InnerMain("command", "1"))
 }

From f29b189a4252986a5a0a2b820f96219828e46db3 Mon Sep 17 00:00:00 2001
From: mdiluz <mdiluz@noreply.localhost>
Date: Fri, 27 Sep 2024 10:43:28 +0100
Subject: [PATCH 58/58] Update README.md

---
 README.md | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 2aff518..aad1a6f 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,8 @@
 Rove
 ====
-![Tests](https://github.com/mdiluz/rove/workflows/Tests/badge.svg) ![Docker](https://github.com/mdiluz/rove/workflows/Docker/badge.svg) [![rove](https://snapcraft.io//rove/badge.svg)](https://snapcraft.io/rove)
 
-![Rove](https://github.com/mdiluz/rove/blob/master/data/icon.svg)
+![Rove](data/icon.svg)
 
 Rove is an asynchronous nomadic game about exploring as part of a loose community.
 
-This repository contains the source code for the `rove-server` deployment and the `rove` command line client. See [mdiluz.github.io/rove](https://mdiluz.github.io/rove/) for game details, and [roveapi.proto](https://github.com/mdiluz/rove/blob/master/proto/roveapi/roveapi.proto) for the current server-client API.
+This repository contains the source code for the `rove-server` deployment and the `rove` command line client. See [mdiluz.github.io/rove](https://mdiluz.github.io/rove/) for game details, and [roveapi.proto](proto/roveapi/roveapi.proto) for the current server-client API.