truelight@9652: /* $Id$ */
truelight@9652: 
truelight@9652: #include "ai_pathfinder_stupid.hpp"
truelight@9652: #include "ai_road.hpp"
truelight@9652: #include "ai_testmode.hpp"
truelight@9652: 
truelight@9652: bool AIPathFinderStupid::BuildRealRoute(TileIndex start, TileIndex end, bool continue_on_error)
truelight@9652: {
truelight@9652: 	bool ret = true;
truelight@9652: 	uint sx, sy, ex, ey;
truelight@9652: 
truelight@9652: 	sx = TileX(start);
truelight@9652: 	sy = TileY(start);
truelight@9652: 	ex = TileX(end);
truelight@9652: 	ey = TileY(end);
truelight@9652: 
truelight@9652: 	/* Build the road, really stupid: first the X, than the Y */
truelight@9652: 	if (this->type == PATHFINDER_ROAD) {
truelight@9652: 		AIRoad road;
truelight@9652: 		if (!road.BuildRoad(start, TileXY(ex, sy))) ret = false;
truelight@9652: 		if (!road.BuildRoad(TileXY(ex, sy), end)) ret = false;
truelight@9652: 		if (!ret && !continue_on_error) return false;
truelight@9652: 	}
truelight@9652: 
truelight@9652: 	return ret;
truelight@9652: }
truelight@9652: 
truelight@9652: void *AIPathFinderStupid::FindRoute(AITileList *start, AITileList *end)
truelight@9652: {
truelight@9652: 	TileIndex s, e;
truelight@9652: 
truelight@9652: 	s = start->Begin();
truelight@9652: 	e = end->Begin();
truelight@9652: 
truelight@9652: 	/* Force test-mode */
truelight@9652: 	{
truelight@9652: 		AITestMode mode;
truelight@9652: 		if (!this->BuildRealRoute(s, e, false)) return false;
truelight@9652: 	}
truelight@9652: 
truelight@9652: 	Path *result = new Path;
truelight@9652: 	result->start = s;
truelight@9652: 	result->end = e;
truelight@9652: 	return result;
truelight@9652: }
truelight@9652: 
truelight@9652: bool AIPathFinderStupid::BuildRoute(void *res)
truelight@9652: {
truelight@9652: 	if (res == NULL) return false;
truelight@9652: 	Path *result = (Path *)res;
truelight@9652: 
truelight@9652: 	return this->BuildRealRoute(result->start, result->end, true);
truelight@9652: }
truelight@9652: 
truelight@9652: void AIPathFinderStupid::FreeRoute(void *res)
truelight@9652: {
truelight@9652: 	if (res == NULL) return;
truelight@9652: 	Path *result = (Path *)res;
truelight@9652: 	delete result;
truelight@9652: }