From 15740faf9fe9fe4be08965098bbf2947e096aeeb Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Wed, 14 Aug 2019 22:50:43 +0800
Subject: +Unity Runtime code

---
 Runtime/Scripting/ScriptingObjectOfType.h | 142 ++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 Runtime/Scripting/ScriptingObjectOfType.h

(limited to 'Runtime/Scripting/ScriptingObjectOfType.h')

diff --git a/Runtime/Scripting/ScriptingObjectOfType.h b/Runtime/Scripting/ScriptingObjectOfType.h
new file mode 100644
index 0000000..cca6bde
--- /dev/null
+++ b/Runtime/Scripting/ScriptingObjectOfType.h
@@ -0,0 +1,142 @@
+#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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