ttrts/game/game.cpp

#include "game.h"


// Interpret a string of orders
int CTTRTSGame::IssueOrders( player_id_t player, const std::string& _orders )
{
	COrderVector orderVector;
	std::string orders = _orders;

	size_t pos;
	while ( (pos = orders.find("\n")) != std::string::npos ) 
	{
		const std::string sorder = orders.substr(0, pos);
		orders.erase(0,pos+1);

		COrder order = GetOrderFromString( sorder );

		orderVector.push_back(order);
	}

	return IssueOrders(player,orderVector);
}

// Issue orders by vector to the game
int CTTRTSGame::IssueOrders( player_id_t player, const COrderVector& orders )
{
	// verify all the orders
	for ( COrderVector::const_iterator it = orders.begin(); it != orders.end(); it++ )
	{
		if ( IssueOrder(player,*it) )
			return 1;
	}

	return 0;
}

// Issue a single order
int CTTRTSGame::IssueOrder( player_id_t player, const COrder& order )
{
	if ( VerifyOrder(player,order) )
			return 1;

	m_orders.push_back(order);

	return 0;
}

// Simulate and progress to the next turn
// Returns non-zero if simulation failed
int CTTRTSGame::SimulateToNextTurn()
{
	int error;

	// Simulate all movements first
	error = SimulateMovements();

	// Simulate all the actions
	error = SimulateActions();

	// Clear all orders
	m_orders.resize(0);

	return error;
}

// Add a unit, nonzero return value indicates error
int CTTRTSGame::AddUnit( std::shared_ptr<CUnit> unit )
{	
	// Verify the unit
	const int val = unit->valid();
	if( val )
		return val;

	// Verify if the unit can be placed on the current board
	const uvector2 pos = unit->getPos();
	if( (pos.x < cols) && (pos.y < rows) )
		return 1;

	m_allUnits.push_back(unit);


	return 0;
}
	
// Add a units, nonzero return value indicates error
int CTTRTSGame::AddUnits( sharedUnitVector_t units )
{	
	sharedUnitVector_t::iterator it;

	for ( it = units.begin(); it != units.end(); it++ )
	{	
		// Attempt the unit add
		if ( AddUnit(*it) )
			return 1;
	}

	// All units added successfully
	return 0;
}

// Verify any order
int CTTRTSGame::VerifyOrder( player_id_t player, const COrder& order )
{
	// Grab the unit ID
	const unit_id_t unitID = order.unit;

	// Attempt to find the unit
	bool unitFound = false;
	for ( sharedUnitVector_t::const_iterator it = m_allUnits.begin(); it != m_allUnits.end(); it++ )
	{
		if ( (*it)->getID() == unitID )
		{
			unitFound = true;
			break;
		}
	}

	// for now, as long as the unit exists we can attempt the order
	return unitFound;
}

// Simulate all movements
int CTTRTSGame::SimulateMovements()
{
	return 0;
}

// Simulate all actions
int CTTRTSGame::SimulateActions()
{
	return 0;
}