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https://github.com/JGRennison/OpenTTD-patches.git
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62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file water.h Functions related to water (management) */
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#ifndef WATER_H
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#define WATER_H
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#include "water_map.h"
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#include "economy_func.h"
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/**
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* Describes the behaviour of a tile during flooding.
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*/
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enum FloodingBehaviour {
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FLOOD_NONE, ///< The tile does not flood neighboured tiles.
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FLOOD_ACTIVE, ///< The tile floods neighboured tiles.
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FLOOD_PASSIVE, ///< The tile does not actively flood neighboured tiles, but it prevents them from drying up.
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FLOOD_DRYUP, ///< The tile drys up if it is not constantly flooded from neighboured tiles.
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};
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FloodingBehaviour GetFloodingBehaviour(TileIndex tile);
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void ClearNeighbourNonFloodingStates(TileIndex tile);
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void TileLoop_Water(TileIndex tile);
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void TileLoopWaterFlooding(FloodingBehaviour flooding_behaviour, TileIndex tile);
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bool FloodHalftile(TileIndex t);
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void DoFloodTile(TileIndex target);
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void ConvertGroundTilesIntoWaterTiles();
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void DrawShipDepotSprite(int x, int y, Axis axis, DepotPart part);
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void DrawWaterClassGround(const struct TileInfo *ti);
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void DrawShoreTile(Slope tileh);
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void MakeWaterKeepingClass(TileIndex tile, Owner o);
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void CheckForDockingTile(TileIndex t);
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void RiverModifyDesertZone(TileIndex tile, void *data);
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void MakeRiverAndModifyDesertZoneAround(TileIndex tile);
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static const uint RIVER_OFFSET_DESERT_DISTANCE = 5; ///< Circular tile search radius to create non-desert around a river tile.
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bool IsWateredTile(TileIndex tile, Direction from);
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void ForceClearWaterTile(TileIndex tile);
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/**
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* Calculates the maintenance cost of a number of canal tiles.
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* @param num Number of canal tiles.
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* @return Total cost.
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*/
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inline Money CanalMaintenanceCost(uint32_t num)
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{
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return (_price[PR_INFRASTRUCTURE_WATER] * num * (1 + IntSqrt(num))) >> 6; // 6 bits scaling.
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}
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#endif /* WATER_H */
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