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include/engine/core/shader_tree.h

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+/* -----------------------------------------------------------------------------
+	GSFramework
+	Copyright 2001-2013 Emmanuel Julien. All Rights Reserved.
+----------------------------------------------------------------------------- */
+
+
+#ifndef	__NSHADER_TREE__
+#define	__NSHADER_TREE__
+
+
+		#include "math/vector.h"
+		#include "container/nlist.h"
+		#include "memory/nshared_ptr.h"
+		#include "nstring/nstring.h"
+
+
+namespace GS {
+	namespace Core {
+		struct ShaderBlock;
+
+/*
+	@short	Shader tree.
+	@author	Emmanuel Julien (ejulien@gsworks.fr)
+*/
+class	ShaderTree : public SharedObject
+{
+protected:
+
+		/// Extract block from the map.
+		void			GatherBlockList(List <ShaderBlock *> &block_list, ShaderBlock *root = 0);
+
+public:
+
+enum	ShaderSinkType
+{
+		SinkVertex	=	0,
+
+		SinkNormal,
+		SinkDiffuse,
+		SinkModulate,
+		SinkSpecular,
+		SinkGlossiness,
+		SinkConstant,
+		SinkOpacity,
+		SinkReflection,
+
+		SinkInvalid
+};
+
+		String			name;
+
+		Vector2			pos;
+		ShaderBlock		*sink[SinkInvalid];
+
+		/// Return a sink compatibility.
+		int				GetSinkCompatibility(ShaderSinkType) const;
+
+		/// Free map and all blocks.
+		void			Free();
+
+		bool			FromMetaTag(NML::Tag &);
+		NML::Tag		*AsMetaTag() const;
+
+		ShaderTree();
+		~ShaderTree();
+};
+
+typedef	SharedPtr <ShaderTree> sShaderTree;
+
+	} // Core
+} // GS
+
+
+#endif	// __NSHADER_TREE__