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/* $Id$ */

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#ifndef NEWGRF_H

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#define NEWGRF_H

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#include "sprite.h"

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#include "station.h"

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typedef struct GRFLabel {

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	byte label;

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	uint32 nfo_line;

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	uint32 pos;

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	struct GRFLabel *next;

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} GRFLabel;

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typedef struct GRFFile {

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	char *filename;

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	uint32 grfid;

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	uint16 flags;

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	uint16 sprite_offset;

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	SpriteID first_spriteset; ///< Holds the first spriteset's sprite offset.

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	struct GRFFile *next;

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	/* A sprite group contains all sprites of a given vehicle (or multiple

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	 * vehicles) when carrying given cargo. It consists of several sprite

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	 * sets.  Group ids are refered as "cargo id"s by TTDPatch

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	 * documentation, contributing to the global confusion.

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	 *

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	 * A sprite set contains all sprites of a given vehicle carrying given

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	 * cargo at a given *stage* - that is usually its load stage. Ie. you

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	 * can have a spriteset for an empty wagon, wagon full of coal,

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	 * half-filled wagon etc.  Each spriteset contains eight sprites (one

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	 * per direction) or four sprites if the vehicle is symmetric. */

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	int spriteset_start;

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	int spriteset_numsets;

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	int spriteset_numents;

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	int spriteset_feature;

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	int spritegroups_count;

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	SpriteGroup **spritegroups;

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	uint num_stations;

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	StationSpec *stations;

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	uint32 param[0x80];

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	uint param_end; /// one more than the highest set parameter

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	GRFLabel *label; ///< Pointer to the first label. This is a linked list, not an array.

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} GRFFile;

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extern GRFFile *_first_grffile;

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typedef struct GRFConfig {

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	const char *filename;

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	uint32 param[0x80];

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	byte num_params;

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	struct GRFConfig *next;

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} GRFConfig;

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extern GRFConfig *_first_grfconfig;

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extern SpriteID _signal_base;

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void LoadNewGRF(uint load_index, uint file_index);

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#endif /* NEWGRF_H */