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#pragma once
#include "Runtime/Scripting/Backend/ScriptingTypes.h"
#include "Scripting.h"
#include "ScriptingUtility.h"//We need to go back and remove this.
template<class T>
struct ScriptingObjectOfType
{
private:
ScriptingObjectPtr object;
public:
ScriptingObjectOfType(ScriptingObjectPtr object)
{
this->object = object;
}
T& GetReference () const
{
T* ptr = GetPtr();
if (ptr != NULL)
return *ptr;
Scripting::RaiseNullExceptionObject (object);
return *(T*)NULL;
}
T* GetPtr () const
{
if (IsNullPtr())
return NULL;
void* cachedPtr = GetCachedPtr();
if (cachedPtr != NULL)
{
AssertIf(reinterpret_cast<Object*> (cachedPtr)->GetInstanceID() != GetInstanceID());
return (T*)cachedPtr;
}
T* temp = dynamic_instanceID_cast<T*> (GetInstanceID());
return temp;
}
bool IsValidObjectReference () const
{
if (IsNullPtr())
return false;
void* cachedPtr = GetCachedPtr();
if (cachedPtr != NULL)
{
AssertIf(reinterpret_cast<Object*> (cachedPtr)->GetInstanceID() != GetInstanceID());
return (T*)cachedPtr;
}
T* temp = dynamic_instanceID_cast<T*> (GetInstanceID());
if (temp == NULL)
return false;
// MonoBheaviours are only allowed to be the instance themselves (cached pointer)
// otherwise they are dangling references who happen to have the same instanceID.
// Thus not a valid reference.
if (temp->GetClassID() == ClassID(MonoBehaviour))
return false;
return true;
}
operator T* () const
{
return GetPtr ();
}
operator PPtr<T> () const
{
if (IsNullPtr())
return PPtr<T> ();
return PPtr<T> (GetInstanceID());
}
T& operator * () const
{
return GetReference ();
}
T* operator -> () const
{
return &GetReference ();
}
bool IsNullPtr() const
{
return object == SCRIPTING_NULL;
}
inline int GetInstanceID() const
{
return Scripting::GetInstanceIDFromScriptingWrapper(object);
}
inline void SetCachedPtr (void* cachedPtr)
{
Scripting::SetCachedPtrOnScriptingWrapper(object, cachedPtr);
}
inline void SetInstanceID (int instanceID)
{
Scripting::SetInstanceIDOnScriptingWrapper(object, instanceID);
}
inline void* GetCachedPtr() const
{
return Scripting::GetCachedPtrFromScriptingWrapper(object);
}
#if MONO_QUALITY_ERRORS
inline void SetError (ScriptingStringPtr error)
{
Scripting::SetErrorOnScriptingWrapper(object, error);
}
#endif
#if UNITY_WINRT
ScriptingObjectOfType<T>& operator = (decltype(__nullptr))
{
object = nullptr;
return *this;
}
#endif
inline ScriptingObjectPtr GetScriptingObject() const
{
return object;
}
};
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