rpui.render.components source code

1 module rpui.render.components;
2 
3 import gapi.geometry;
4 import gapi.geometry_quad;
5 import gapi.texture;
6 import gapi.shader;
7 import gapi.vec;
8 import gapi.transform;
9 import gapi.text;
10 import gapi.font;
11 
12 import rpui.primitives;
13 
14 struct CameraView {
15     mat4 mvpMatrix;
16     float viewportWidth;
17     float viewportHeight;
18 }
19 
20 struct Geometry {
21     Buffer indicesBuffer;
22     Buffer verticesBuffer;
23     Buffer texCoordsBuffer;
24 
25     VAO vao;
26 }
27 
28 struct LinesGeometry {
29     Buffer indicesBuffer;
30     Buffer verticesBuffer;
31     uint pointsCount;
32 
33     VAO vao;
34 }
35 
36 struct QuadTransforms {
37     Transform2D transform;
38     mat4 modelMatrix;
39     mat4 mvpMatrix;
40 }
41 
42 struct LinesTransforms {
43     Transform2D transform;
44     mat4 modelMatrix;
45     mat4 mvpMatrix;
46 }
47 
48 // TODO(Andrey): Rename to ChainTransforms
49 struct HorizontalChainTransforms {
50     QuadTransforms[ChainPart] quadTransforms;
51 }
52 
53 struct TextureQuad {
54     Geometry geometry;
55     Texture2D texture;
56 }
57 
58 struct TexAtlasTextureQuad {
59     Geometry geometry;
60     Texture2D texture;
61     OriginalWithNormilizedTextureCoords texCoords;
62 }
63 
64 struct StatefulTexAtlasTextureQuad {
65     Geometry geometry;
66     Texture2D texture;
67     OriginalWithNormilizedTextureCoords[State] texCoords;
68     State state;
69 
70     @property inout(OriginalWithNormilizedTextureCoords) currentTexCoords() inout {
71         return texCoords[state];
72     }
73 }
74 
75 struct OriginalWithNormilizedTextureCoords {
76     Texture2DCoords originalTexCoords;
77     Texture2DCoords normilizedTexCoords;
78 }
79 
80 struct StatefulChain {
81     TextureQuad[ChainPart] parts;
82     float[ChainPart] widths;
83     Texture2DCoords[ChainPart][State] texCoords;
84     State state;
85 }
86 
87 struct Chain {
88     TextureQuad[ChainPart] parts;
89     float[ChainPart] widths;
90     float height;
91     Texture2DCoords[ChainPart] texCoords;
92 }
93 
94 struct Block {
95     float[ChainPart][BlockRow] widths;
96     float[BlockRow] heights;
97 
98     Chain topChain;
99     Chain middleChain;
100     Chain bottomChain;
101 }
102 
103 struct BlockTransforms {
104     HorizontalChainTransforms topChain;
105     HorizontalChainTransforms middleChain;
106     HorizontalChainTransforms bottomChain;
107 }
108 
109 struct UiTextRender {
110     Geometry geometry;
111     Text text;
112     Texture2D texture;
113 }
114 
115 struct StatefulUiText {
116     UiTextRender render;
117     UiTextAttributes[State] attrs;
118     State state;
119 }
120 
121 struct UiText {
122     UiTextRender render;
123     UiTextAttributes attrs;
124 }
125 
126 struct UiTextAttributes {
127     vec4 color;
128     vec2 offset;
129     int fontSize;
130     dstring caption;
131     Align textAlign = Align.center;
132     VerticalAlign textVerticalAlign = VerticalAlign.middle;
133     Font font;
134 }
135 
136 struct UiTextTransforms {
137     vec2 size;
138     vec2 relativePosition;
139     mat4 mvpMatrix;
140     dstring cachedString = "";
141 }
142 
143 enum State {
144     leave,
145     enter,
146     click,
147 }
148 
149 enum ChainPart {
150     left,
151     center,
152     right,
153     top,
154     middle,
155     bottom,
156 }
157 
158 enum BlockRow {
159     top,
160     middle,
161     bottom,
162 }
163 
164 immutable horizontalChainParts = [
165     ChainPart.left,
166     ChainPart.center,
167     ChainPart.right,
168 ];
169 
170 immutable verticalChainParts = [
171     ChainPart.top,
172     ChainPart.middle,
173     ChainPart.bottom,
174 ];
175 
176 string getStateRdplName(in State state) {
177     switch (state) {
178         case State.leave:
179             return "Leave";
180 
181         case State.enter:
182             return "Enter";
183 
184         case State.click:
185             return "Click";
186 
187         default:
188             throw new Error("Unknown state");
189     }
190 }
191 
192 string getChainPartRdplName(in ChainPart part) {
193     switch (part) {
194         case ChainPart.left:
195             return "left";
196 
197         case ChainPart.center:
198             return "center";
199 
200         case ChainPart.right:
201             return "right";
202 
203         case ChainPart.top:
204             return "top";
205 
206         case ChainPart.middle:
207             return "middle";
208 
209         case ChainPart.bottom:
210             return "bottom";
211 
212         default:
213             throw new Error("Unknown part");
214     }
215 }