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#pragma once
#include "Runtime/Scripting/Backend/ScriptingTypes.h"
#include "Scripting.h"
#define SUPPORT_DIRECT_CACHEDPTR_PASSING_FOR_READONLY_OBJECTS UNITY_WINRT
#if !SUPPORT_DIRECT_CACHEDPTR_PASSING_FOR_READONLY_OBJECTS
template<class T>
struct ReadOnlyScriptingObjectOfType
{
private:
ScriptingObjectPtr object;
public:
ReadOnlyScriptingObjectOfType(ScriptingObjectPtr object)
{
this->object = object;
}
T& GetReference () const
{
T* ptr = GetPtr();
if (ptr != NULL)
return *ptr;
Scripting::RaiseNullExceptionObject (object);
return *(T*)NULL;
}
T& operator * () const
{
return GetReference ();
}
operator T* () const
{
return GetPtr ();
}
T* operator -> () const
{
return &GetReference ();
}
bool IsNull() const
{
return object == SCRIPTING_NULL;
}
operator PPtr<T> () const
{
if (IsNull())
return PPtr<T> ();
return PPtr<T> (GetInstanceID());
}
private:
#if UNITY_EDITOR
public:
// ToDo: Fix this later, ask TomasD or Lucas
inline ScriptingObjectPtr GetScriptingObject() const
{
return object;
}
#endif
inline int GetInstanceID() const
{
return Scripting::GetInstanceIDFromScriptingWrapper(object);
}
T* GetPtr () const
{
if (IsNull())
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;
}
inline void* GetCachedPtr() const
{
return Scripting::GetCachedPtrFromScriptingWrapper(object);
}
};
#else
template<class T>
struct ReadOnlyScriptingObjectOfType
{
private:
T* cachedPtr;
public:
ReadOnlyScriptingObjectOfType(void* p)
{
this->cachedPtr = (T*)p;
}
T& GetReference () const
{
if (cachedPtr != NULL)
return *(T*)cachedPtr;
Scripting::RaiseNullExceptionObject (SCRIPTING_NULL);
return *(T*)NULL;
}
T& operator * () const
{
return GetReference ();
}
operator T* () const
{
return cachedPtr;
}
T* operator -> () const
{
return &GetReference ();
}
bool IsNull() const
{
return cachedPtr == NULL;
}
operator PPtr<T> () const
{
if (IsNull())
return PPtr<T> ();
return PPtr<T> (cachedPtr->GetInstanceID());
}
};
#endif
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