64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* $Id$ */
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/** @file sprite.h Base for drawing complex sprites. */
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#ifndef SPRITE_H
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#define SPRITE_H
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#include "gfx_type.h"
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#define GENERAL_SPRITE_COLOUR(colour) ((colour) + PALETTE_RECOLOUR_START)
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#define COMPANY_SPRITE_COLOUR(owner) (GENERAL_SPRITE_COLOUR(_company_colours[owner]))
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/**
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* Whether a sprite comes from the original graphics files or a new grf file
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* (either supplied by OpenTTD or supplied by the user).
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*
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* @param sprite The sprite to check
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* @return True if it is a new sprite, or false if it is original.
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*/
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#define IS_CUSTOM_SPRITE(sprite) ((sprite) >= SPR_SIGNALS_BASE)
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/* The following describes bunch of sprites to be drawn together in a single 3D
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* bounding box. Used especially for various multi-sprite buildings (like
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* depots or stations): */
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/** A tile child sprite and palette to draw for stations etc, with 3D bounding box */
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struct DrawTileSeqStruct {
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int8 delta_x; ///< \c 0x80 is sequence terminator
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int8 delta_y;
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int8 delta_z;
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byte size_x;
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byte size_y;
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byte size_z;
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PalSpriteID image;
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};
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/** Ground palette sprite of a tile, together with its child sprites */
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struct DrawTileSprites {
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PalSpriteID ground; ///< Palette and sprite for the ground
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const DrawTileSeqStruct *seq; ///< Array of child sprites. Terminated with a terminator entry
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};
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/**
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* This structure is the same for both Industries and Houses.
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* Buildings here reference a general type of construction
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*/
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struct DrawBuildingsTileStruct {
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PalSpriteID ground;
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PalSpriteID building;
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byte subtile_x;
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byte subtile_y;
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byte width;
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byte height;
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byte dz;
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byte draw_proc; /* this allows to specify a special drawing procedure.*/
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};
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/** Iterate through all DrawTileSeqStructs in DrawTileSprites. */
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#define foreach_draw_tile_seq(idx, list) for (idx = list; ((byte) idx->delta_x) != 0x80; idx++)
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void SkipSpriteData(byte type, uint16 num);
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#endif /* SPRITE_H */
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