1 files changed, 62 insertions, 0 deletions

diff --git a/core/ref_ptr.h b/core/ref_ptr.h
new file mode 100644
index 000000000..007977d99
--- /dev/null
+++ b/core/ref_ptr.h
@@ -0,0 +1,62 @@
+/*************************************************************************/
+/*  ref_ptr.h                                                            */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                 */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+#ifndef REF_PTR_H
+#define REF_PTR_H
+/**
+	@author Juan Linietsky <reduzio@gmail.com>
+ * This class exists to workaround a limitation in C++ but keep the design OK.
+ * It's basically an opaque container of a Reference reference, so Variant can use it.
+*/
+
+#include "rid.h"
+
+
+class RefPtr {
+
+	enum {
+
+		DATASIZE=sizeof(void*) //*4 -ref was shrunk
+	};
+
+	mutable char data[DATASIZE]; // too much probably, virtual class + pointer
+public:
+
+	bool is_null() const;
+	void operator=(const RefPtr& p_other);
+	bool operator==(const RefPtr& p_other) const;
+	RID get_rid() const;
+	void unref();
+	_FORCE_INLINE_ void *get_data() const { return data; }
+	RefPtr(const RefPtr& p_other);
+	RefPtr();
+	~RefPtr();
+
+};
+
+#endif // REF_PTR_H