diff options
Diffstat (limited to 'src/newgrf_object.h')
| -rw-r--r-- | src/newgrf_object.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/newgrf_object.h b/src/newgrf_object.h index bc2f64f3c..c1b79959d 100644 --- a/src/newgrf_object.h +++ b/src/newgrf_object.h @@ -13,6 +13,8 @@ #define NEWGRF_OBJECT_H #include "newgrf_callbacks.h" +#include "newgrf_spritegroup.h" +#include "newgrf_town.h" #include "economy_func.h" #include "date_type.h" #include "object_type.h" @@ -90,6 +92,48 @@ struct ObjectSpec { static const ObjectSpec *GetByTile(TileIndex tile); }; +struct ObjectScopeResolver : public ScopeResolver { + struct Object *obj; ///< The object the callback is ran for. + TileIndex tile; ///< The tile related to the object. + uint8 view; ///< The view of the object. + + ObjectScopeResolver(ResolverObject *ro, Object *obj, TileIndex tile, uint8 view = 0); + + /* virtual */ uint32 GetRandomBits() const; + /* virtual */ uint32 GetVariable(byte variable, uint32 parameter, bool *available) const; +}; + +/** A resolver object to be used with feature 0F spritegroups. */ +struct ObjectResolverObject : public ResolverObject { + ObjectScopeResolver object_scope; + TownScopeResolver *town_scope; + + ObjectResolverObject(const ObjectSpec *spec, Object *o, TileIndex tile, uint8 view = 0, + CallbackID callback = CBID_NO_CALLBACK, uint32 param1 = 0, uint32 param2 = 0); + ~ObjectResolverObject(); + + /* virtual */ ScopeResolver *GetScope(VarSpriteGroupScope scope = VSG_SCOPE_SELF, byte relative = 0) + { + switch (scope) { + case VSG_SCOPE_SELF: + return &this->object_scope; + + case VSG_SCOPE_PARENT: { + TownScopeResolver *tsr = this->GetTown(); + if (tsr != NULL) return tsr; + /* FALL-THROUGH */ + } + + default: return &this->default_scope; // XXX return &ResolverObject::GetScope(scope, relative); + } + } + + const SpriteGroup *ResolveReal(const RealSpriteGroup *group) const; + +private: + TownScopeResolver *GetTown(); +}; + /** Struct containing information relating to station classes. */ typedef NewGRFClass<ObjectSpec, ObjectClassID, OBJECT_CLASS_MAX> ObjectClass; |