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new file 100644
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/* $Id$ */
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/** @file ai_tile.cpp Implementation of AITile. */
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#include "ai_tile.hpp"
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#include "ai_map.hpp"
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#include "ai_town.hpp"
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#include "../../openttd.h"
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#include "../../tile_map.h"
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#include "../../tile_cmd.h"
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#include "../../map_func.h"
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#include "../../variables.h"
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#include "../../station_func.h"
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#include "../../command_type.h"
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#include "../../settings_type.h"
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#include "../../company_func.h"
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#include "../../road_map.h"
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#include "../../water_map.h"
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#include "../../clear_map.h"
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#include "../../town.h"
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/* static */ bool AITile::IsBuildable(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return false;
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switch (::GetTileType(tile)) {
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default: return false;
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case MP_CLEAR: return true;
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case MP_TREES: return true;
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case MP_WATER: return IsCoast(tile);
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case MP_ROAD:
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/* Tram bits aren't considered buildable */
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if (::GetRoadTypes(tile) != ROADTYPES_ROAD) return false;
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/* Depots and crossings aren't considered buildable */
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if (::GetRoadTileType(tile) != ROAD_TILE_NORMAL) return false;
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if (CountBits(::GetRoadBits(tile, ROADTYPE_ROAD)) != 1) return false;
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if (::IsRoadOwner(tile, ROADTYPE_ROAD, OWNER_TOWN)) return true;
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if (::IsRoadOwner(tile, ROADTYPE_ROAD, _current_company)) return true;
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return false;
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}
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}
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/* static */ bool AITile::IsBuildableRectangle(TileIndex tile, uint width, uint height)
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{
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uint tx, ty;
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tx = AIMap::GetTileX(tile);
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ty = AIMap::GetTileY(tile);
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for (uint x = tx; x < width + tx; x++) {
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for (uint y = ty; y < height + ty; y++) {
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if (!IsBuildable(AIMap::GetTileIndex(x, y))) return false;
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}
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}
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return true;
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}
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/* static */ bool AITile::IsWaterTile(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return false;
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return ::IsTileType(tile, MP_WATER) && !::IsCoast(tile);
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}
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/* static */ bool AITile::IsCoastTile(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return false;
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return ::IsTileType(tile, MP_WATER) && ::IsCoast(tile);
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}
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/* static */ bool AITile::IsStationTile(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return false;
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return ::IsTileType(tile, MP_STATION);
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}
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/* static */ bool AITile::IsSteepSlope(Slope slope)
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{
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if (slope == SLOPE_INVALID) return false;
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return ::IsSteepSlope((::Slope)slope);
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}
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/* static */ bool AITile::IsHalftileSlope(Slope slope)
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{
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if (slope == SLOPE_INVALID) return false;
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return ::IsHalftileSlope((::Slope)slope);
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}
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/* static */ bool AITile::HasTreeOnTile(TileIndex tile)
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{
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return ::IsTileType(tile, MP_TREES);
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}
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/* static */ bool AITile::IsFarmTile(TileIndex tile)
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{
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return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_FIELDS));
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}
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/* static */ bool AITile::IsRockTile(TileIndex tile)
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{
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return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_ROCKS));
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}
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/* static */ bool AITile::IsRoughTile(TileIndex tile)
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{
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return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_ROUGH));
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}
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/* static */ bool AITile::IsSnowTile(TileIndex tile)
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{
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return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_SNOW));
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}
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/* static */ bool AITile::IsDesertTile(TileIndex tile)
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{
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return (::IsTileType(tile, MP_CLEAR) && ::IsClearGround(tile, CLEAR_DESERT));
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}
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/* static */ AITile::Slope AITile::GetSlope(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return SLOPE_INVALID;
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return (Slope)::GetTileSlope(tile, NULL);
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}
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/* static */ AITile::Slope AITile::GetComplementSlope(Slope slope)
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{
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if (slope == SLOPE_INVALID) return SLOPE_INVALID;
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if (IsSteepSlope(slope)) return SLOPE_INVALID;
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if (IsHalftileSlope(slope)) return SLOPE_INVALID;
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return (Slope)::ComplementSlope((::Slope)slope);
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}
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/* static */ int32 AITile::GetHeight(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return false;
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return ::TileHeight(tile);
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}
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/* static */ AICompany::CompanyID AITile::GetOwner(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return AICompany::INVALID_COMPANY;
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if (::IsTileType(tile, MP_HOUSE)) return AICompany::INVALID_COMPANY;
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if (::IsTileType(tile, MP_INDUSTRY)) return AICompany::INVALID_COMPANY;
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return AICompany::ResolveCompanyID((AICompany::CompanyID)(byte)::GetTileOwner(tile));
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}
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/* static */ bool AITile::HasTransportType(TileIndex tile, TransportType transport_type)
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{
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if (!::IsValidTile(tile)) return false;
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return GB(::GetTileTrackStatus(tile, (::TransportType)transport_type, UINT32_MAX), 0, 16) != 0;
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}
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/* static */ int32 AITile::GetCargoAcceptance(TileIndex tile, CargoID cargo_type, uint width, uint height, uint radius)
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{
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if (!::IsValidTile(tile)) return false;
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AcceptedCargo accepts;
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::GetAcceptanceAroundTiles(accepts, tile, width, height, _settings_game.station.modified_catchment ? radius : (uint)CA_UNMODIFIED);
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return accepts[cargo_type];
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}
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/* static */ int32 AITile::GetCargoProduction(TileIndex tile, CargoID cargo_type, uint width, uint height, uint radius)
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{
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if (!::IsValidTile(tile)) return false;
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AcceptedCargo produced;
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::GetProductionAroundTiles(produced, tile, width, height, _settings_game.station.modified_catchment ? radius : (uint)CA_UNMODIFIED);
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return produced[cargo_type];
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}
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/* static */ int32 AITile::GetDistanceManhattanToTile(TileIndex tile_from, TileIndex tile_to)
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{
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return AIMap::DistanceManhattan(tile_from, tile_to);
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}
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/* static */ int32 AITile::GetDistanceSquareToTile(TileIndex tile_from, TileIndex tile_to)
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{
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return AIMap::DistanceSquare(tile_from, tile_to);
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}
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/* static */ bool AITile::RaiseTile(TileIndex tile, int32 slope)
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{
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EnforcePrecondition(false, ::IsValidTile(tile));
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return AIObject::DoCommand(tile, slope, 1, CMD_TERRAFORM_LAND);
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}
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/* static */ bool AITile::LowerTile(TileIndex tile, int32 slope)
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{
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EnforcePrecondition(false, ::IsValidTile(tile));
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return AIObject::DoCommand(tile, slope, 0, CMD_TERRAFORM_LAND);
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}
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/* static */ bool AITile::DemolishTile(TileIndex tile)
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{
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EnforcePrecondition(false, ::IsValidTile(tile));
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return AIObject::DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
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}
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/* static */ bool AITile::PlantTree(TileIndex tile)
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{
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EnforcePrecondition(false, ::IsValidTile(tile));
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return AIObject::DoCommand(tile, -1, tile, CMD_PLANT_TREE);
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}
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/* static */ bool AITile::PlantTreeRectangle(TileIndex tile, uint width, uint height)
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{
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EnforcePrecondition(false, ::IsValidTile(tile));
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EnforcePrecondition(false, width >= 1 && width <= 20);
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EnforcePrecondition(false, height >= 1 && height <= 20);
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TileIndex end_tile = tile + ::TileDiffXY(width - 1, height - 1);
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return AIObject::DoCommand(tile, -1, end_tile, CMD_PLANT_TREE);
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}
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/* static */ bool AITile::IsWithinTownInfluence(TileIndex tile, TownID town_id)
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{
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return AITown::IsWithinTownInfluence(town_id, tile);
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}
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/* static */ TownID AITile::GetClosestTown(TileIndex tile)
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{
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if (!::IsValidTile(tile)) return INVALID_TOWN;
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return ::ClosestTownFromTile(tile, UINT_MAX)->index;
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}
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