petern/OpenTTD
1
0
Fork 0
forked from mirror/OpenTTD
Code Pull Requests Activity

(svn r24683) -Codechange: Add resolver classes for objects.

Browse Source
This commit is contained in:
alberth
2012-11-10 20:40:46 +00:00
parent d7b62da87b
commit a9b8b22daf
4 changed files with 111 additions and 105 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
src/newgrf_object.h
View File

@@ -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;