water.h

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00001 /* $Id: water.h 23415 2011-12-03 23:40:46Z michi_cc $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #ifndef WATER_H
00013 #define WATER_H
00014 
00015 #include "tile_type.h"
00016 #include "company_type.h"
00017 #include "slope_type.h"
00018 #include "water_map.h"
00019 #include "economy_func.h"
00020 #include "core/math_func.hpp"
00021 
00025 enum FloodingBehaviour {
00026   FLOOD_NONE,    
00027   FLOOD_ACTIVE,  
00028   FLOOD_PASSIVE, 
00029   FLOOD_DRYUP,   
00030 };
00031 
00032 FloodingBehaviour GetFloodingBehaviour(TileIndex tile);
00033 
00034 void TileLoop_Water(TileIndex tile);
00035 bool FloodHalftile(TileIndex t);
00036 void DoFloodTile(TileIndex target);
00037 
00038 void ConvertGroundTilesIntoWaterTiles();
00039 
00040 void DrawShipDepotSprite(int x, int y, Axis axis, DepotPart part);
00041 void DrawWaterClassGround(const struct TileInfo *ti);
00042 void DrawShoreTile(Slope tileh);
00043 
00044 void MakeWaterKeepingClass(TileIndex tile, Owner o);
00045 
00046 bool RiverModifyDesertZone(TileIndex tile, void *data);
00047 
00053 static inline Money CanalMaintenanceCost(uint32 num)
00054 {
00055   return (_price[PR_INFRASTRUCTURE_WATER] * num * (1 + IntSqrt(num))) >> 6; // 6 bits scaling.
00056 }
00057 
00058 #endif /* WATER_H */