1/**************************************************************************/
2/* fog_material.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#ifndef FOG_MATERIAL_H
32#define FOG_MATERIAL_H
33
34#include "scene/resources/material.h"
35
36class FogMaterial : public Material {
37 GDCLASS(FogMaterial, Material);
38
39private:
40 float density = 1.0;
41 Color albedo = Color(1, 1, 1, 1);
42 Color emission = Color(0, 0, 0, 0);
43
44 float height_falloff = 0.0;
45
46 float edge_fade = 0.1;
47
48 Ref<Texture3D> density_texture;
49
50 static Mutex shader_mutex;
51 static RID shader;
52 static void _update_shader();
53 mutable bool shader_set = false;
54
55protected:
56 static void _bind_methods();
57
58public:
59 void set_density(float p_density);
60 float get_density() const;
61
62 void set_albedo(Color p_color);
63 Color get_albedo() const;
64
65 void set_emission(Color p_color);
66 Color get_emission() const;
67
68 void set_height_falloff(float p_falloff);
69 float get_height_falloff() const;
70
71 void set_edge_fade(float p_edge_fade);
72 float get_edge_fade() const;
73
74 void set_density_texture(const Ref<Texture3D> &p_texture);
75 Ref<Texture3D> get_density_texture() const;
76
77 virtual Shader::Mode get_shader_mode() const override;
78 virtual RID get_shader_rid() const override;
79 virtual RID get_rid() const override;
80
81 static void cleanup_shader();
82
83 FogMaterial();
84 virtual ~FogMaterial();
85};
86
87#endif // FOG_MATERIAL_H
88