1 files changed, 75 insertions, 0 deletions
diff --git a/source/gameengine/VideoTexture/BlendType.h b/source/gameengine/VideoTexture/BlendType.h
new file mode 100644
index 00000000000..ac3ed8812a6
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+++ b/source/gameengine/VideoTexture/BlendType.h
@@ -0,0 +1,75 @@
+/* $Id$
+-----------------------------------------------------------------------------
+This source file is part of VideoTexture library
+
+Copyright (c) 2006 The Zdeno Ash Miklas
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU Lesser General Public License as published by the Free Software
+Foundation; either version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along with
+this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+Place - Suite 330, Boston, MA 02111-1307, USA, or go to
+http://www.gnu.org/copyleft/lesser.txt.
+-----------------------------------------------------------------------------
+*/
+
+#if !defined BLENDTYPE_H
+#define BLENDTYPE_H
+
+
+/// class allows check type of blender python object and access its contained object
+template <class PyObj> class BlendType
+{
+public:
+	/// constructor
+	BlendType (char * name) : m_name(name) {}
+
+	/// check blender type and return pointer to contained object or NULL (if type is not valid)
+	PyObj * checkType (PyObject * obj)
+	{
+		// if pointer to type isn't set 
+		if (m_objType == NULL)
+		{
+			// compare names of type
+			if (strcmp(obj->ob_type->tp_name, m_name) == 0)
+				// if name of type match, save pointer to type
+				m_objType = obj->ob_type;
+			else
+				// if names of type don't match, return NULL
+				return NULL;
+		}
+		// if pointer to type is set and don't match to type of provided object, return NULL
+		else if (obj->ob_type != m_objType) 
+			return NULL;
+		// return pointer to object
+		return (PyObj*)obj;
+	}
+
+	/// parse arguments to get object
+	PyObj * parseArg (PyObject * args)
+	{
+		// parse arguments
+		PyObject * obj;
+		if (PyArg_ParseTuple(args, "O", &obj))
+			// if successfully parsed, return pointer to object
+			return checkType(obj);
+		// otherwise return NULL
+		return NULL;
+	}
+
+protected:
+	/// name of Python type
+	char * m_name;
+	/// pointer to Python type
+	PyTypeObject * m_objType;
+};
+
+
+#endif