@@ -341,6 +341,15 @@ template<typename T> static inline T TOG
#define GENERAL_SPRITE_COLOR(color) ((color) + PALETTE_RECOLOR_START)
#define PLAYER_SPRITE_COLOR(owner) (GENERAL_SPRITE_COLOR(_player_colors[owner]))
/**
* Whether a sprite comes from the original graphics files or a new grf file
* (either supplied by OpenTTD or supplied by the user).
*
* @param sprite The sprite to check
* @return True if it is a new sprite, or false if it is original.
*/
#define IS_CUSTOM_SPRITE(sprite) ((sprite) >= SPR_SIGNALS_BASE)
extern const byte _ffb_64[128];