truelight@9617: /* $Id$ */
truelight@9617: 
truelight@9617: /** @file ai_tile.cpp handles the functions of the AITile class */
truelight@9617: 
truelight@9617: #include "ai_tile.hpp"
rubidium@9723: #include "../../tile_map.h"
rubidium@9723: #include "../../map_func.h"
truelight@9617: #include "../../variables.h"
truelight@9617: #include "../../station.h"
rubidium@9723: #include "../../command_type.h"
rubidium@9724: #include "../../settings_type.h"
truelight@9617: 
truebrain@9737: /* static */ bool AITile::IsBuildable(TileIndex tile)
truelight@9617: {
truelight@9617: 	/* Outside of the map */
rubidium@9620: 	if (tile >= ::MapSize()) return false;
truelight@9617: 
truelight@9617: 	switch (::GetTileType(tile)) {
glx@9728: 		default: return true;
truelight@9617: 		case MP_VOID:
truelight@9617: 		case MP_HOUSE:
truelight@9617: 		case MP_STATION:
truelight@9617: 		case MP_INDUSTRY:
truelight@9697: 		case MP_UNMOVABLE:
glx@9728: 		case MP_WATER: return false;
truelight@9617: 	}
truelight@9617: }
truelight@9617: 
truebrain@9737: /* static */ bool AITile::IsWater(TileIndex tile)
truelight@9698: {
truelight@9698: 	/* Outside of the map */
truelight@9698: 	if (tile >= ::MapSize()) return false;
truelight@9698: 
truelight@9698: 	return ::GetTileType(tile) == MP_WATER;
truelight@9698: }
truelight@9698: 
truebrain@9737: /* static */ int32 AITile::GetSlope(TileIndex tile)
truelight@9617: {
truelight@9617: 	/* Outside of the map */
rubidium@9620: 	if (tile >= ::MapSize()) return 0;
truelight@9617: 
truelight@9700: 	return ::GetTileSlope(tile, NULL);
truelight@9700: }
truelight@9700: 
truebrain@9737: /* static */ int32 AITile::GetHeight(TileIndex tile)
truelight@9700: {
truelight@9700: 	/* Outside of the map */
truelight@9700: 	if (tile >= ::MapSize()) return 0;
truelight@9700: 
truelight@9700: 	return ::TileHeight(tile);
truelight@9617: }
truelight@9617: 
truebrain@9737: /* static */ int32 AITile::GetCargoAcceptance(TileIndex tile, CargoID cargo_type, uint width, uint height, uint radius)
truelight@9617: {
truelight@9617: 	/* Outside of the map */
glx@9728: 	if (tile >= ::MapSize()) return 0;
truelight@9617: 
truelight@9617: 	AcceptedCargo accepts;
truebrain@9736: 	::GetAcceptanceAroundTiles(accepts, tile, width, height, _patches.modified_catchment ? radius : (uint)CA_UNMODIFIED);
truelight@9617: 	return accepts[cargo_type];
truelight@9617: }
truelight@9708: 
truebrain@9737: /* static */ int32 AITile::GetCargoProduction(TileIndex tile, CargoID cargo_type, uint width, uint height, uint radius)
glx@9729: {
glx@9729: 	/* Outside of the map */
glx@9729: 	if (tile >= ::MapSize()) return 0;
glx@9729: 
glx@9729: 	AcceptedCargo produced;
truebrain@9736: 	::GetProductionAroundTiles(produced, tile, width, height, _patches.modified_catchment ? radius : (uint)CA_UNMODIFIED);
glx@9729: 	return produced[cargo_type];
glx@9729: }
glx@9729: 
truebrain@9737: /* static */ bool AITile::RaiseTile(TileIndex tile, int32 slope)
truelight@9708: {
truelight@9708: 	/* Outside of the map */
glx@9728: 	if (tile >= ::MapSize()) return false;
truelight@9708: 
truebrain@9737: 	return AIObject::DoCommand(tile, slope, 1, CMD_TERRAFORM_LAND);
truelight@9708: }
truelight@9708: 
truebrain@9737: /* static */ bool AITile::LowerTile(TileIndex tile, int32 slope)
truelight@9708: {
truelight@9708: 	/* Outside of the map */
glx@9728: 	if (tile >= ::MapSize()) return false;
truelight@9708: 
truebrain@9737: 	return AIObject::DoCommand(tile, slope, 0, CMD_TERRAFORM_LAND);
truelight@9708: }