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/* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ai_tilelist.hpp List tiles. */
#ifndef AI_TILELIST_HPP
#define AI_TILELIST_HPP
#include "ai_abstractlist.hpp"
#include "ai_station.hpp"
/**
* Creates an empty list, in which you can add tiles.
* @ingroup AIList
*/
class AITileList : public AIAbstractList {
public:
static const char *GetClassName() { return "AITileList"; }
private:
/**
* Make sure t1.x is smaller than t2.x and t1.y is smaller than t2.y.
* They are swapped to ensure they are after calling this function.
* @param t1 one of the corners of the rectangle.
* @param t2 the other corner of the rectangle.
*/
void FixRectangleSpan(TileIndex &t1, TileIndex &t2);
public:
/**
* Adds the rectangle between tile_from and tile_to to the to-be-evaluated tiles.
* @param tile_from One corner of the tiles to add.
* @param tile_to The other corner of the tiles to add.
* @pre AIMap::IsValidTile(tile_from).
* @pre AIMap::IsValidTile(tile_to).
*/
void AddRectangle(TileIndex tile_from, TileIndex tile_to);
/**
* Add a tile to the to-be-evaluated tiles.
* @param tile The tile to add.
* @pre AIMap::IsValidTile(tile).
*/
void AddTile(TileIndex tile);
/**
* Remove the tiles inside the rectangle between tile_from and tile_to form the list.
* @param tile_from One corner of the tiles to remove.
* @param tile_to The other corner of the files to remove.
* @pre AIMap::IsValidTile(tile_from).
* @pre AIMap::IsValidTile(tile_to).
*/
void RemoveRectangle(TileIndex tile_from, TileIndex tile_to);
/**
* Remove a tile from the list.
* @param tile The tile to remove.
* @pre AIMap::IsValidTile(tile).
*/
void RemoveTile(TileIndex tile);
};
/**
* Creates a list of tiles that will accept cargo for the given industry.
* @note If a simular industry is close, it might happen that this industry receives the cargo.
* @ingroup AIList
*/
class AITileList_IndustryAccepting : public AITileList {
public:
static const char *GetClassName() { return "AITileList_IndustryAccepting"; }
/**
* @param industry_id The industry to create the AITileList around.
* @param radius The radius of the station you will be using.
* @pre AIIndustry::IsValidIndustry(industry_id).
* @pre radius > 0.
*/
AITileList_IndustryAccepting(IndustryID industry_id, int radius);
};
/**
* Creates a list of tiles which the industry checks to see if a station is
* there to receive cargo produced by this industry.
* @ingroup AIList
*/
class AITileList_IndustryProducing : public AITileList {
public:
static const char *GetClassName() { return "AITileList_IndustryProducing"; }
/**
* @param industry_id The industry to create the AITileList around.
* @param radius The radius of the station you will be using.
* @pre AIIndustry::IsValidIndustry(industry_id).
* @pre radius > 0.
*/
AITileList_IndustryProducing(IndustryID industry_id, int radius);
};
/**
* Creates a list of tiles which have the requested StationType of the
* StationID.
* @ingroup AIList
*/
class AITileList_StationType : public AITileList {
public:
static const char *GetClassName() { return "AITileList_StationType"; }
/**
* @param station_id The station to create the AITileList for.
* @param station_type The StationType to create the AIList for.
*/
AITileList_StationType(StationID station_id, AIStation::StationType station_type);
};
#endif /* AI_TILELIST_HPP */
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