File: AAIBuildTask.cpp

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// -------------------------------------------------------------------------
// AAI
//
// A skirmish AI for the Spring engine.
// Copyright Alexander Seizinger
//
// Released under GPL license: see LICENSE.html for more information.
// -------------------------------------------------------------------------

#include <set>
using namespace std;

#include "AAIBuildTask.h"
#include "AAI.h"
#include "AAIConstructor.h"
#include "AAIUnitTable.h"
#include "AAIBuildTable.h"
#include "AAIExecute.h"
#include "AAIMap.h"
#include "AAISector.h"

AAIBuildTask::AAIBuildTask(AAI *ai, int unit_id, int def_id, float3 *pos, int tick):
	build_pos(*pos)
{
	this->ai = ai;
	this->unit_id = unit_id;
	this->def_id = def_id;

	order_tick = tick;

	builder_id = -1;

}

AAIBuildTask::~AAIBuildTask(void)
{
}

void AAIBuildTask::BuilderDestroyed()
{
	builder_id = -1;

	// com only allowed if buildpos is inside the base
	bool commander = false;

	int x = build_pos.x / ai->Getmap()->xSectorSize;
	int y = build_pos.z / ai->Getmap()->ySectorSize;

	if(x >= 0 && y >= 0 && x < ai->Getmap()->xSectors && y < ai->Getmap()->ySectors)
	{
		if(ai->Getmap()->sector[x][y].distance_to_base == 0)
			commander = true;
	}

	// look for new builder
	AAIConstructor* new_builder = ai->Getut()->FindClosestAssistant(build_pos, 10, commander);

	if(new_builder)
	{
		new_builder->TakeOverConstruction(this);
		builder_id = new_builder->unit_id;
	}
}

void AAIBuildTask::BuildtaskFailed()
{
	// cleanup buildmap etc.
	if(ai->Getbt()->units_static[def_id].category <= METAL_MAKER)
		ai->Getexecute()->ConstructionFailed(build_pos, def_id);

	// tell builder to stop construction (and release assisters) (if still alive)
	if(builder_id >= 0 && ai->Getut()->units[builder_id].cons)
		ai->Getut()->units[builder_id].cons->ConstructionFinished();
}