46 /* Shared by deterministic and random groups. */

    46 /* Shared by deterministic and random groups. */

    47 enum VarSpriteGroupScope {

    47 enum VarSpriteGroupScope {

    48 	VSG_SCOPE_SELF,

    48 	VSG_SCOPE_SELF,

    49 	/* Engine of consists for vehicles, city for stations. */

    49 	/* Engine of consists for vehicles, city for stations. */

    50 	VSG_SCOPE_PARENT,

    50 	VSG_SCOPE_PARENT,

    51 };

    53 };

    52 

    54 

    53 enum DeterministicSpriteGroupSize {

    55 enum DeterministicSpriteGroupSize {

    54 	DSG_SIZE_BYTE,

    56 	DSG_SIZE_BYTE,

    55 	DSG_SIZE_WORD,

    57 	DSG_SIZE_WORD,

   126 struct RandomizedSpriteGroup {

   128 struct RandomizedSpriteGroup {

   127 	VarSpriteGroupScope var_scope;  ///< Take this object:

   129 	VarSpriteGroupScope var_scope;  ///< Take this object:

   128 

   130 

   129 	RandomizedSpriteGroupCompareMode cmp_mode; ///< Check for these triggers:

   131 	RandomizedSpriteGroupCompareMode cmp_mode; ///< Check for these triggers:

   130 	byte triggers;

   132 	byte triggers;

   131 

   134 

   132 	byte lowest_randbit; ///< Look for this in the per-object randomized bitmask:

   135 	byte lowest_randbit; ///< Look for this in the per-object randomized bitmask:

   133 	byte num_groups; ///< must be power of 2

   136 	byte num_groups; ///< must be power of 2

   134 

   137 

   135 	const SpriteGroup **groups; ///< Take the group with appropriate index:

   138 	const SpriteGroup **groups; ///< Take the group with appropriate index:

   196 

   199 

   197 struct ResolverObject {

   200 struct ResolverObject {

   198 	CallbackID callback;

   201 	CallbackID callback;

   199 	uint32 callback_param1;

   202 	uint32 callback_param1;

   200 	uint32 callback_param2;

   203 	uint32 callback_param2;

   201 

   205 

   202 	byte trigger;

   206 	byte trigger;

   203 	uint32 last_value;

   208 	uint32 last_value;

   204 	uint32 reseed;

   209 	uint32 reseed;

   205 	VarSpriteGroupScope scope;

   210 	VarSpriteGroupScope scope;

   206 

   211 

   207 	bool info_view; ///< Indicates if the item is being drawn in an info window

   212 	bool info_view; ///< Indicates if the item is being drawn in an info window

   252 	uint32 (*GetRandomBits)(const struct ResolverObject*);

   257 	uint32 (*GetRandomBits)(const struct ResolverObject*);

   253 	uint32 (*GetTriggers)(const struct ResolverObject*);

   258 	uint32 (*GetTriggers)(const struct ResolverObject*);

   254 	void (*SetTriggers)(const struct ResolverObject*, int);

   259 	void (*SetTriggers)(const struct ResolverObject*, int);

   255 	uint32 (*GetVariable)(const struct ResolverObject*, byte, byte, bool*);

   260 	uint32 (*GetVariable)(const struct ResolverObject*, byte, byte, bool*);

   256 	const SpriteGroup *(*ResolveReal)(const struct ResolverObject*, const SpriteGroup*);

   261 	const SpriteGroup *(*ResolveReal)(const struct ResolverObject*, const SpriteGroup*);

   257 };

   264 };

   258 

   265 

   259 

   266 

   260 /* Base sprite group resolver */

   267 /* Base sprite group resolver */

   261 const SpriteGroup *Resolve(const SpriteGroup *group, ResolverObject *object);

   268 const SpriteGroup *Resolve(const SpriteGroup *group, ResolverObject *object);