1/**************************************************************************/
2/* curve_texture.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 */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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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 CURVE_TEXTURE_H
32#define CURVE_TEXTURE_H
33
34#include "scene/resources/texture.h"
35
36class CurveTexture : public Texture2D {
37 GDCLASS(CurveTexture, Texture2D);
38 RES_BASE_EXTENSION("curvetex")
39public:
40 enum TextureMode {
41 TEXTURE_MODE_RGB,
42 TEXTURE_MODE_RED,
43 };
44
45private:
46 mutable RID _texture;
47 Ref<Curve> _curve;
48 int _width = 256;
49 int _current_width = 0;
50 TextureMode texture_mode = TEXTURE_MODE_RGB;
51 TextureMode _current_texture_mode = TEXTURE_MODE_RGB;
52
53 void _update();
54
55protected:
56 static void _bind_methods();
57
58public:
59 void set_width(int p_width);
60 int get_width() const override;
61
62 void set_texture_mode(TextureMode p_mode);
63 TextureMode get_texture_mode() const;
64
65 void ensure_default_setup(float p_min = 0, float p_max = 1);
66
67 void set_curve(Ref<Curve> p_curve);
68 Ref<Curve> get_curve() const;
69
70 virtual RID get_rid() const override;
71
72 virtual int get_height() const override { return 1; }
73 virtual bool has_alpha() const override { return false; }
74
75 CurveTexture();
76 ~CurveTexture();
77};
78
79VARIANT_ENUM_CAST(CurveTexture::TextureMode)
80
81class CurveXYZTexture : public Texture2D {
82 GDCLASS(CurveXYZTexture, Texture2D);
83 RES_BASE_EXTENSION("curvetex")
84
85private:
86 mutable RID _texture;
87 Ref<Curve> _curve_x;
88 Ref<Curve> _curve_y;
89 Ref<Curve> _curve_z;
90 int _width = 256;
91 int _current_width = 0;
92
93 void _update();
94
95protected:
96 static void _bind_methods();
97
98public:
99 void set_width(int p_width);
100 int get_width() const override;
101
102 void ensure_default_setup(float p_min = 0, float p_max = 1);
103
104 void set_curve_x(Ref<Curve> p_curve);
105 Ref<Curve> get_curve_x() const;
106
107 void set_curve_y(Ref<Curve> p_curve);
108 Ref<Curve> get_curve_y() const;
109
110 void set_curve_z(Ref<Curve> p_curve);
111 Ref<Curve> get_curve_z() const;
112
113 virtual RID get_rid() const override;
114
115 virtual int get_height() const override { return 1; }
116 virtual bool has_alpha() const override { return false; }
117
118 CurveXYZTexture();
119 ~CurveXYZTexture();
120};
121
122#endif // CURVE_TEXTURE_H
123