rubidium@9453: /* $Id$ */
rubidium@9453: 
rubidium@9513: /** @file ai_road.cpp handles the functions of the AIRoad class */
rubidium@9453: 
rubidium@9453: #include "ai_road.hpp"
rubidium@9453: #include "../../command.h"
rubidium@9453: #include "../../road_map.h"
rubidium@9453: #include "../../station_map.h"
rubidium@9453: 
rubidium@9453: bool AIRoad::IsRoadTile(TileIndex tile)
rubidium@9453: {
rubidium@9453: 	/* Outside of the map */
rubidium@9453: 	if (tile >= _map_size) return false;
rubidium@9453: 
rubidium@9453: 	return IsTileType(tile, MP_STREET) && GetRoadTileType(tile) != ROAD_TILE_DEPOT;
rubidium@9453: }
rubidium@9453: 
rubidium@9453: bool AIRoad::BuildRoad(TileIndex start, TileIndex end)
rubidium@9453: {
rubidium@9453: 	/* Outside of the map */
rubidium@9453: 	if (start >= _map_size || end >= _map_size || start == end) return false;
rubidium@9453: 	/* Not on one line */
rubidium@9453: 	if (TileX(start) != TileX(end) &&
rubidium@9453: 			TileY(start) != TileY(end)) return false;
rubidium@9453: 
glx@9504: 	return this->DoCommand(end, start, (TileY(start) != TileY(end) ? 4 : 0) | (start < end ? 1 : 2), CMD_BUILD_LONG_ROAD);
rubidium@9453: }
rubidium@9453: 
rubidium@9453: bool AIRoad::BuildRoadDepot(TileIndex tile, TileIndex front)
rubidium@9453: {
rubidium@9453: 	/* Outside of the map */
rubidium@9453: 	if (tile >= _map_size || tile == front) return false;
rubidium@9453: 
glx@9504: 	uint entrance_dir = (TileX(tile) == TileX(front)) ? (TileY(tile) < TileY(front) ? 1 : 3) : (TileX(tile) < TileX(front) ? 2 : 0);
rubidium@9453: 
truelight@9486: 	return this->DoCommand(tile, entrance_dir, 0, CMD_BUILD_ROAD_DEPOT);
rubidium@9453: }
rubidium@9453: 
rubidium@9503: bool AIRoad::BuildRoadStation(TileIndex tile, TileIndex front, bool truck, bool drive_through)
rubidium@9453: {
rubidium@9453: 	/* Outside of the map */
rubidium@9453: 	if (tile >= _map_size || tile == front) return false;
rubidium@9453: 
rubidium@9453: 	uint entrance_dir;
rubidium@9453: 	if (drive_through) {
truelight@9482: 		entrance_dir = TileY(tile) != TileY(front);
rubidium@9453: 	} else {
glx@9504: 		entrance_dir = (TileX(tile) == TileX(front)) ? (TileY(tile) < TileY(front) ? 1 : 3) : (TileX(tile) < TileX(front) ? 2 : 0);
rubidium@9453: 	}
rubidium@9453: 
glx@9504: 	return this->DoCommand(tile, entrance_dir, (drive_through ? 2 : 0) | (truck ? 1 : 0), CMD_BUILD_ROAD_STOP);
rubidium@9453: }
rubidium@9453: 
rubidium@9453: bool AIRoad::RemoveRoad(TileIndex start, TileIndex end)
rubidium@9453: {
rubidium@9453: 	/* Outside of the map */
rubidium@9453: 	if (start >= _map_size || end >= _map_size) return false;
rubidium@9453: 	/* Not on one line */
rubidium@9453: 	if (TileX(start) != TileX(end) &&
rubidium@9453: 			TileY(start) != TileY(end)) return false;
rubidium@9453: 
glx@9504: 	return this->DoCommand(end, start, (TileY(start) != TileY(end) ? 4 : 0) | (start < end ? 1 : 2), CMD_REMOVE_LONG_ROAD);
rubidium@9453: }
rubidium@9453: 
rubidium@9453: bool AIRoad::RemoveRoadDepot(TileIndex tile)
rubidium@9453: {
rubidium@9453: 	/* Outside of the map */
rubidium@9453: 	if (tile >= _map_size) return false;
rubidium@9453: 
rubidium@9453: 	/* Not a road depot tile */
rubidium@9453: 	if (!IsTileType(tile, MP_STREET) || GetRoadTileType(tile) != ROAD_TILE_DEPOT) return false;
rubidium@9453: 
truelight@9486: 	return this->DoCommand(tile, 0, 0, CMD_LANDSCAPE_CLEAR);
rubidium@9453: }
rubidium@9453: 
rubidium@9453: bool AIRoad::RemoveRoadStation(TileIndex tile)
rubidium@9453: {
rubidium@9453: 	/* Outside of the map */
rubidium@9453: 	if (tile >= _map_size) return false;
rubidium@9453: 
rubidium@9453: 	/* Not a road station tile */
rubidium@9453: 	if (!IsTileType(tile, MP_STATION) || !IsRoadStop(tile)) return false;
rubidium@9453: 
truelight@9486: 	return this->DoCommand(tile, 0, GetRoadStopType(tile), CMD_REMOVE_ROAD_STOP);
rubidium@9453: }