/* $Id$ */ /** @file ai_tile.cpp Implementation of AITile. */ #include "ai_tile.hpp" #include "ai_map.hpp" #include "ai_town.hpp" #include "../../openttd.h" #include "../../tile_map.h" #include "../../tile_cmd.h" #include "../../map_func.h" #include "../../variables.h" #include "../../station_func.h" #include "../../command_type.h" #include "../../settings_type.h" #include "../../company_func.h" #include "../../road_map.h" #include "../../water_map.h" #include "../../clear_map.h" #include "../../town.h" /* static */ bool AITile::IsBuildable(TileIndex tile) { if (!::IsValidTile(tile)) return false; switch (::GetTileType(tile)) { default: return false; case MP_CLEAR: return true; case MP_TREES: return true; case MP_WATER: return IsCoast(tile); case MP_ROAD: /* Tram bits aren't considered buildable */ if (::GetRoadTypes(tile) != ROADTYPES_ROAD) return false; /* Depots and crossings aren't considered buildable */ if (::GetRoadTileType(tile) != ROAD_TILE_NORMAL) return false; if (CountBits(::GetRoadBits(tile, ROADTYPE_ROAD)) != 1) return false; if (::IsRoadOwner(tile, ROADTYPE_ROAD, OWNER_TOWN)) return true; if (::IsRoadOwner(tile, ROADTYPE_ROAD, _current_company)) return true; return false; } } /* static */ bool AITile::IsBuildableRectangle(TileIndex tile, uint width, uint height) { uint tx, ty; tx = AIMap::GetTileX(tile); ty = AIMap::GetTileY(tile); for (uint x = tx; x < width + tx; x++) { for (uint y = ty; y < height + ty; y++) { if (!IsBuildable(AIMap::GetTileIndex(x, y))) return false; } } return true; } /* static */ bool AITile::IsWaterTile(TileIndex tile) { if (!::IsValidTile(tile)) return false; return ::IsTileType(tile, MP_WATER) && !::IsCoast(tile); } /* static */ bool AITile::IsCoastTile(TileIndex tile) { if (!::IsValidTile(tile)) return false; return ::IsTileType(tile, MP_WATER) && ::IsCoast(tile); } /* static */ bool AITile::IsStationTile(TileIndex tile) { if (!::IsValidTile(tile)) return false; return ::IsTileType(tile, MP_STATION); } /* static */ bool AITile::IsSteepSlope(Slope slope) { if (slope == SLOPE_INVALID) return false; return ::IsSteepSlope((::Slope)slope); } /* static */ bool AITile::IsHalftileSlope(Slope slope) { if (slope == SLOPE_INVALID) return false; return ::IsHalftileSlope((::Slope)slope); } /* static */ bool AITile::HasTreeOnTile(TileIndex tile) { return ::IsTileType(tile, MP_TREES); } /* static */ bool AITile::IsFarmTile(TileIndex tile) { return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_FIELDS)); } /* static */ bool AITile::IsRockTile(TileIndex tile) { return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_ROCKS)); } /* static */ bool AITile::IsRoughTile(TileIndex tile) { return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_ROUGH)); } /* static */ bool AITile::IsSnowTile(TileIndex tile) { return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_SNOW)); } /* static */ bool AITile::IsDesertTile(TileIndex tile) { return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_DESERT)); } /* static */ AITile::Slope AITile::GetSlope(TileIndex tile) { if (!::IsValidTile(tile)) return SLOPE_INVALID; return (Slope)::GetTileSlope(tile, NULL); } /* static */ AITile::Slope AITile::GetComplementSlope(Slope slope) { if (slope == SLOPE_INVALID) return SLOPE_INVALID; if (IsSteepSlope(slope)) return SLOPE_INVALID; if (IsHalftileSlope(slope)) return SLOPE_INVALID; return (Slope)::ComplementSlope((::Slope)slope); } /* static */ int32 AITile::GetHeight(TileIndex tile) { if (!::IsValidTile(tile)) return false; return ::TileHeight(tile); } /* static */ AICompany::CompanyID AITile::GetOwner(TileIndex tile) { if (!::IsValidTile(tile)) return AICompany::INVALID_COMPANY; if (::IsTileType(tile, MP_HOUSE)) return AICompany::INVALID_COMPANY; if (::IsTileType(tile, MP_INDUSTRY)) return AICompany::INVALID_COMPANY; return AICompany::ResolveCompanyID((AICompany::CompanyID)(byte)::GetTileOwner(tile)); } /* static */ bool AITile::HasTransportType(TileIndex tile, TransportType transport_type) { if (!::IsValidTile(tile)) return false; return GB(::GetTileTrackStatus(tile, (::TransportType)transport_type, UINT32_MAX), 0, 16) != 0; } /* static */ int32 AITile::GetCargoAcceptance(TileIndex tile, CargoID cargo_type, uint width, uint height, uint radius) { if (!::IsValidTile(tile)) return false; AcceptedCargo accepts; ::GetAcceptanceAroundTiles(accepts, tile, width, height, _settings_game.station.modified_catchment ? radius : (uint)CA_UNMODIFIED); return accepts[cargo_type]; } /* static */ int32 AITile::GetCargoProduction(TileIndex tile, CargoID cargo_type, uint width, uint height, uint radius) { if (!::IsValidTile(tile)) return false; AcceptedCargo produced; ::GetProductionAroundTiles(produced, tile, width, height, _settings_game.station.modified_catchment ? radius : (uint)CA_UNMODIFIED); return produced[cargo_type]; } /* static */ int32 AITile::GetDistanceManhattanToTile(TileIndex tile_from, TileIndex tile_to) { return AIMap::DistanceManhattan(tile_from, tile_to); } /* static */ int32 AITile::GetDistanceSquareToTile(TileIndex tile_from, TileIndex tile_to) { return AIMap::DistanceSquare(tile_from, tile_to); } /* static */ bool AITile::RaiseTile(TileIndex tile, int32 slope) { EnforcePrecondition(false, ::IsValidTile(tile)); return AIObject::DoCommand(tile, slope, 1, CMD_TERRAFORM_LAND); } /* static */ bool AITile::LowerTile(TileIndex tile, int32 slope) { EnforcePrecondition(false, ::IsValidTile(tile)); return AIObject::DoCommand(tile, slope, 0, CMD_TERRAFORM_LAND); } /* static */ bool AITile::DemolishTile(TileIndex tile) { EnforcePrecondition(false, ::IsValidTile(tile)); return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR); } /* static */ bool AITile::PlantTree(TileIndex tile) { EnforcePrecondition(false, ::IsValidTile(tile)); return AIObject::DoCommand(tile, -1, tile, CMD_PLANT_TREE); } /* static */ bool AITile::PlantTreeRectangle(TileIndex tile, uint width, uint height) { EnforcePrecondition(false, ::IsValidTile(tile)); EnforcePrecondition(false, width >= 1 && width <= 20); EnforcePrecondition(false, height >= 1 && height <= 20); TileIndex end_tile = tile + ::TileDiffXY(width - 1, height - 1); return AIObject::DoCommand(tile, -1, end_tile, CMD_PLANT_TREE); } /* static */ bool AITile::IsWithinTownInfluence(TileIndex tile, TownID town_id) { return AITown::IsWithinTownInfluence(town_id, tile); } /* static */ TownID AITile::GetClosestTown(TileIndex tile) { if (!::IsValidTile(tile)) return INVALID_TOWN; return ::ClosestTownFromTile(tile, UINT_MAX)->index; }