initial commit, 4.5 stable

scene/resources/3d/fog_material.h

@@ -0,0 +1,84 @@
+/**************************************************************************/
+/*  fog_material.h                                                        */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* 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.                 */
+/**************************************************************************/
+
+#pragma once
+
+#include "scene/resources/material.h"
+
+class FogMaterial : public Material {
+	GDCLASS(FogMaterial, Material);
+
+private:
+	float density = 1.0;
+	Color albedo = Color(1, 1, 1, 1);
+	Color emission = Color(0, 0, 0, 0);
+
+	float height_falloff = 0.0;
+
+	float edge_fade = 0.1;
+
+	Ref<Texture3D> density_texture;
+
+	static Mutex shader_mutex;
+	static RID shader;
+	static void _update_shader();
+	mutable bool shader_set = false;
+
+protected:
+	static void _bind_methods();
+
+public:
+	void set_density(float p_density);
+	float get_density() const;
+
+	void set_albedo(Color p_color);
+	Color get_albedo() const;
+
+	void set_emission(Color p_color);
+	Color get_emission() const;
+
+	void set_height_falloff(float p_falloff);
+	float get_height_falloff() const;
+
+	void set_edge_fade(float p_edge_fade);
+	float get_edge_fade() const;
+
+	void set_density_texture(const Ref<Texture3D> &p_texture);
+	Ref<Texture3D> get_density_texture() const;
+
+	virtual Shader::Mode get_shader_mode() const override;
+	virtual RID get_shader_rid() const override;
+	virtual RID get_rid() const override;
+
+	static void cleanup_shader();
+
+	FogMaterial();
+	virtual ~FogMaterial();
+};