water.h

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/*
 * 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/>.
 */
 
#ifndef WATER_H
#define WATER_H
 
#include "water_map.h"
#include "economy_func.h"
 
enum FloodingBehaviour {
  FLOOD_NONE,    
  FLOOD_ACTIVE,  
  FLOOD_PASSIVE, 
  FLOOD_DRYUP,   
};
 
FloodingBehaviour GetFloodingBehaviour(TileIndex tile);
void ClearNeighbourNonFloodingStates(TileIndex tile);
 
void TileLoop_Water(TileIndex tile);
bool FloodHalftile(TileIndex t);
 
void ConvertGroundTilesIntoWaterTiles();
 
void DrawShipDepotSprite(int x, int y, Axis axis, DepotPart part);
void DrawWaterClassGround(const struct TileInfo *ti);
void DrawShoreTile(Slope tileh);
 
void MakeWaterKeepingClass(TileIndex tile, Owner o);
void CheckForDockingTile(TileIndex t);
 
void MakeRiverAndModifyDesertZoneAround(TileIndex tile);
static const uint RIVER_OFFSET_DESERT_DISTANCE = 5; 
 
bool IsWateredTile(TileIndex tile, Direction from);
 
inline Money CanalMaintenanceCost(uint32_t num)
{
  return (_price[PR_INFRASTRUCTURE_WATER] * num * (1 + IntSqrt(num))) >> 6; // 6 bits scaling.
}
 
#endif /* WATER_H */