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/* $Id$ */

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/** @file ai_tile.cpp handles the functions of the AITile class */

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#include "ai_tile.hpp"

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#include "../../tile.h"

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#include "../../variables.h"

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#include "../../station.h"

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bool AITile::IsBuildable(TileIndex tile)

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{

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	/* Outside of the map */

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	if (tile >= ::MapSize()) return false;

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	switch (::GetTileType(tile)) {

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		default: return 1;

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		case MP_VOID:

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		case MP_HOUSE:

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		case MP_STATION:

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		case MP_INDUSTRY:

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		case MP_UNMOVABLE: return 0;

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	}

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}

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int32 AITile::GetSlope(TileIndex tile)

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{

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	/* Outside of the map */

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	if (tile >= ::MapSize()) return 0;

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	return GetTileSlope(tile, NULL);

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}

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int32 AITile::GetCargoAcceptance(TileIndex tile, CargoID cargo_type, uint width, uint height, uint rad)

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{

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	/* Outside of the map */

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	if (tile >= ::MapSize()) return false;

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	AcceptedCargo accepts;

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	GetAcceptanceAroundTiles(accepts, tile, width, height, _patches.modified_catchment ? rad : 4);

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	return accepts[cargo_type];

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}