GODOT IS OPEN SOURCE

1 files changed, 176 insertions, 0 deletions

diff --git a/scene/resources/shader_graph.h b/scene/resources/shader_graph.h
new file mode 100644
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+++ b/scene/resources/shader_graph.h
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+/*************************************************************************/
+/*  shader_graph.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 SHADER_GRAPH_H
+#define SHADER_GRAPH_H
+
+
+#include "map.h"
+
+#if 0
+
+class Shader : public Resource {
+
+	OBJ_TYPE( Shader, Resource );
+	RES_BASE_EXTENSION("sgp");
+	RID shader;
+	Map<int,Point2> positions;
+	uint64_t version;
+
+protected:
+
+	bool _set(const StringName& p_name, const Variant& p_value);
+	bool _get(const StringName& p_name,Variant &r_ret) const;
+	void _get_property_list( List<PropertyInfo> *p_list) const;
+
+	static void _bind_methods();
+
+	Array _get_connections_helper() const;
+
+public:
+
+	enum NodeType {
+		NODE_IN, ///< param 0: name
+		NODE_OUT, ///< param 0: name
+		NODE_CONSTANT, ///< param 0: value
+		NODE_PARAMETER, ///< param 0: name
+		NODE_ADD,
+		NODE_SUB,
+		NODE_MUL,
+		NODE_DIV,
+		NODE_MOD,
+		NODE_SIN,
+		NODE_COS,
+		NODE_TAN,
+		NODE_ARCSIN,
+		NODE_ARCCOS,
+		NODE_ARCTAN,
+		NODE_POW,
+		NODE_LOG,
+		NODE_MAX,
+		NODE_MIN,
+		NODE_COMPARE,
+		NODE_TEXTURE, ///< param  0: texture
+		NODE_TIME, ///< param  0: interval length
+		NODE_NOISE,
+		NODE_PASS,
+		NODE_VEC_IN, ///< param 0: name
+		NODE_VEC_OUT, ///< param 0: name
+		NODE_VEC_CONSTANT, ///< param  0: value
+		NODE_VEC_PARAMETER, ///< param  0: name
+		NODE_VEC_ADD,
+		NODE_VEC_SUB,
+		NODE_VEC_MUL,
+		NODE_VEC_DIV,
+		NODE_VEC_MOD,
+		NODE_VEC_CROSS,
+		NODE_VEC_DOT,
+		NODE_VEC_POW,
+		NODE_VEC_NORMALIZE,
+		NODE_VEC_INTERPOLATE,
+		NODE_VEC_SCREEN_TO_UV,
+		NODE_VEC_TRANSFORM3,
+		NODE_VEC_TRANSFORM4,
+		NODE_VEC_COMPARE,
+		NODE_VEC_TEXTURE_2D,
+		NODE_VEC_TEXTURE_CUBE,
+		NODE_VEC_NOISE,
+		NODE_VEC_0,
+		NODE_VEC_1,
+		NODE_VEC_2,
+		NODE_VEC_BUILD,
+		NODE_VEC_PASS,
+		NODE_COLOR_CONSTANT,
+		NODE_COLOR_PARAMETER,
+		NODE_TEXTURE_PARAMETER,
+		NODE_TEXTURE_2D_PARAMETER,
+		NODE_TEXTURE_CUBE_PARAMETER,
+		NODE_TRANSFORM_CONSTANT,
+		NODE_TRANSFORM_PARAMETER,
+		NODE_LABEL,
+		NODE_TYPE_MAX
+	};
+
+	void node_add(NodeType p_type,int p_id);
+	void node_remove(int p_id);
+	void node_set_param( int p_id, const Variant& p_value);
+	void node_set_pos(int p_id,const Point2& p_pos);
+	Point2 node_get_pos(int p_id) const;
+
+	void get_node_list(List<int> *p_node_list) const;
+	NodeType node_get_type(int p_id) const;
+	Variant node_get_param(int p_id) const;
+
+	void connect(int p_src_id,int p_src_slot, int p_dst_id,int p_dst_slot);
+	void disconnect(int p_src_id,int p_src_slot, int p_dst_id,int p_dst_slot);
+
+	struct Connection {
+
+		int src_id;
+		int src_slot;
+		int dst_id;
+		int dst_slot;
+	};
+
+	void get_connections(List<Connection> *p_connections) const;
+
+	void clear();
+
+	virtual RID get_rid() const { return shader; }
+
+	uint64_t get_version() const { return version; }
+
+	Shader();
+	~Shader();
+};
+
+enum ShaderType {
+	SHADER_VERTEX,
+	SHADER_FRAGMENT,
+	SHADER_POST_PROCESS
+};
+//helper functions
+
+static void shader_get_default_input_nodes(ShaderType p_type,List<PropertyInfo> *p_inputs);
+static void shader_get_default_output_nodes(ShaderType p_type,List<PropertyInfo> *p_outputs);
+
+static PropertyInfo shader_node_get_type_info(ShaderNodeType p_type);
+static int shader_get_input_count(ShaderNodeType p_type);
+static int shader_get_output_count(ShaderNodeType p_type);
+static String shader_get_input_name(ShaderNodeType p_type,int p_input);
+static String shader_get_output_name(ShaderNodeType p_type,int p_output);
+static bool shader_is_input_vector(ShaderNodeType p_type,int p_input);
+static bool shader_is_output_vector(ShaderNodeType p_type,int p_input);
+
+
+VARIANT_ENUM_CAST( Shader::NodeType );
+
+
+#endif
+
+#endif // SHADER_GRAPH_H