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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 newgrf_canal.h Handling of NewGRF canals. */
#ifndef NEWGRF_CANAL_H
#define NEWGRF_CANAL_H
#include "gfx_type.h"
#include "tile_type.h"
#include "newgrf_generic.h"
/** Flags controlling the display of canals. */
enum CanalFeatureFlag {
CFF_HAS_FLAT_SPRITE = 0, ///< Additional flat ground sprite in the beginning.
};
/** Information about a water feature. */
struct WaterFeature {
const SpriteGroup *group; ///< Sprite group to start resolving.
const GRFFile *grffile; ///< NewGRF where 'group' belongs to.
uint8 callback_mask; ///< Bitmask of canal callbacks that have to be called.
uint8 flags; ///< Flags controlling display.
};
/** Table of canal 'feature' sprite groups */
extern WaterFeature _water_feature[CF_END];
SpriteID GetCanalSprite(CanalFeature feature, TileIndex tile);
uint GetCanalSpriteOffset(CanalFeature feature, TileIndex tile, uint cur_offset);
#endif /* NEWGRF_CANAL_H */
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