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/* $Id$ */

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#include "ai_pathfinder_stupid.hpp"

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#include "ai_road.hpp"

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#include "ai_testmode.hpp"

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bool AIPathFinderStupid::BuildRealRoute(TileIndex start, TileIndex end, bool continue_on_error)

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{

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	bool ret = true;

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	uint sx, sy, ex, ey;

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	sx = TileX(start);

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	sy = TileY(start);

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	ex = TileX(end);

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	ey = TileY(end);

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	/* Build the road, really stupid: first the X, than the Y */

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	if (this->type == PATHFINDER_ROAD) {

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		AIRoad road;

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		if (!road.BuildRoad(start, TileXY(ex, sy))) ret = false;

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		if (!road.BuildRoad(TileXY(ex, sy), end)) ret = false;

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		if (!ret && !continue_on_error) return false;

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	}

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	return ret;

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}

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void *AIPathFinderStupid::FindRoute(AITileList *start, AITileList *end)

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{

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	TileIndex s, e;

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	s = start->Begin();

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	e = end->Begin();

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	/* Force test-mode */

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	{

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		AITestMode mode;

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		if (!this->BuildRealRoute(s, e, false)) return false;

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	}

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	Path *result = new Path;

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	result->start = s;

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	result->end = e;

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	return result;

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}

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bool AIPathFinderStupid::BuildRoute(void *res)

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{

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	if (res == NULL) return false;

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	Path *result = (Path *)res;

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	return this->BuildRealRoute(result->start, result->end, true);

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}

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void AIPathFinderStupid::FreeRoute(void *res)

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{

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	if (res == NULL) return;

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	Path *result = (Path *)res;

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	delete result;

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}