A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System.Collections.Generic;
2using UnityEngine;
3
4namespace UnityEditor.UI
5{
6 /// <summary>
7 /// PropertyDrawer for [[SpriteState]].
8 /// This is a PropertyDrawer for SpriteState it is implemented using the standard unity PropertyDrawer framework.
9 /// </summary>
10 internal class SpriteDrawUtility
11 {
12 static Texture2D s_ContrastTex;
13
14 // Returns a usable texture that looks like a high-contrast checker board.
15 static Texture2D contrastTexture
16 {
17 get
18 {
19 if (s_ContrastTex == null)
20 s_ContrastTex = CreateCheckerTex(
21 new Color(0f, 0.0f, 0f, 0.5f),
22 new Color(1f, 1f, 1f, 0.5f));
23 return s_ContrastTex;
24 }
25 }
26
27 // Create a checker-background texture.
28 static Texture2D CreateCheckerTex(Color c0, Color c1)
29 {
30 Texture2D tex = new Texture2D(16, 16);
31 tex.name = "[Generated] Checker Texture";
32 tex.hideFlags = HideFlags.DontSave;
33
34 for (int y = 0; y < 8; ++y) for (int x = 0; x < 8; ++x) tex.SetPixel(x, y, c1);
35 for (int y = 8; y < 16; ++y) for (int x = 0; x < 8; ++x) tex.SetPixel(x, y, c0);
36 for (int y = 0; y < 8; ++y) for (int x = 8; x < 16; ++x) tex.SetPixel(x, y, c0);
37 for (int y = 8; y < 16; ++y) for (int x = 8; x < 16; ++x) tex.SetPixel(x, y, c1);
38
39 tex.Apply();
40 tex.filterMode = FilterMode.Point;
41 return tex;
42 }
43
44 // Create a gradient texture.
45 static Texture2D CreateGradientTex()
46 {
47 Texture2D tex = new Texture2D(1, 16);
48 tex.name = "[Generated] Gradient Texture";
49 tex.hideFlags = HideFlags.DontSave;
50
51 Color c0 = new Color(1f, 1f, 1f, 0f);
52 Color c1 = new Color(1f, 1f, 1f, 0.4f);
53
54 for (int i = 0; i < 16; ++i)
55 {
56 float f = Mathf.Abs((i / 15f) * 2f - 1f);
57 f *= f;
58 tex.SetPixel(0, i, Color.Lerp(c0, c1, f));
59 }
60
61 tex.Apply();
62 tex.filterMode = FilterMode.Bilinear;
63 return tex;
64 }
65
66 // Draws the tiled texture. Like GUI.DrawTexture() but tiled instead of stretched.
67 static void DrawTiledTexture(Rect rect, Texture tex)
68 {
69 float u = rect.width / tex.width;
70 float v = rect.height / tex.height;
71
72 Rect texCoords = new Rect(0, 0, u, v);
73 TextureWrapMode originalMode = tex.wrapMode;
74 tex.wrapMode = TextureWrapMode.Repeat;
75 GUI.DrawTextureWithTexCoords(rect, tex, texCoords);
76 tex.wrapMode = originalMode;
77 }
78
79 // Draw the specified Image.
80 public static void DrawSprite(Sprite sprite, Rect drawArea, Color color)
81 {
82 if (sprite == null)
83 return;
84
85 Texture2D tex = sprite.texture;
86 if (tex == null)
87 return;
88
89 Rect outer = sprite.rect;
90 Rect inner = outer;
91 inner.xMin += sprite.border.x;
92 inner.yMin += sprite.border.y;
93 inner.xMax -= sprite.border.z;
94 inner.yMax -= sprite.border.w;
95
96 Vector4 uv4 = UnityEngine.Sprites.DataUtility.GetOuterUV(sprite);
97 Rect uv = new Rect(uv4.x, uv4.y, uv4.z - uv4.x, uv4.w - uv4.y);
98 Vector4 padding = UnityEngine.Sprites.DataUtility.GetPadding(sprite);
99 padding.x /= outer.width;
100 padding.y /= outer.height;
101 padding.z /= outer.width;
102 padding.w /= outer.height;
103
104 DrawSprite(tex, drawArea, padding, outer, inner, uv, color, null);
105 }
106
107 // Draw the specified Image.
108 public static void DrawSprite(Texture tex, Rect drawArea, Rect outer, Rect uv, Color color)
109 {
110 DrawSprite(tex, drawArea, Vector4.zero, outer, outer, uv, color, null);
111 }
112
113 // Draw the specified Image.
114 private static void DrawSprite(Texture tex, Rect drawArea, Vector4 padding, Rect outer, Rect inner, Rect uv, Color color, Material mat)
115 {
116 // Create the texture rectangle that is centered inside rect.
117 Rect outerRect = drawArea;
118 outerRect.width = Mathf.Abs(outer.width);
119 outerRect.height = Mathf.Abs(outer.height);
120
121 if (outerRect.width > 0f)
122 {
123 float f = drawArea.width / outerRect.width;
124 outerRect.width *= f;
125 outerRect.height *= f;
126 }
127
128 if (drawArea.height > outerRect.height)
129 {
130 outerRect.y += (drawArea.height - outerRect.height) * 0.5f;
131 }
132 else if (outerRect.height > drawArea.height)
133 {
134 float f = drawArea.height / outerRect.height;
135 outerRect.width *= f;
136 outerRect.height *= f;
137 }
138
139 if (drawArea.width > outerRect.width)
140 outerRect.x += (drawArea.width - outerRect.width) * 0.5f;
141
142 // Draw the background
143 EditorGUI.DrawTextureTransparent(outerRect, null, ScaleMode.ScaleToFit, outer.width / outer.height);
144
145 // Draw the Image
146 GUI.color = color;
147
148 Rect paddedTexArea = new Rect(
149 outerRect.x + outerRect.width * padding.x,
150 outerRect.y + outerRect.height * padding.w,
151 outerRect.width - (outerRect.width * (padding.z + padding.x)),
152 outerRect.height - (outerRect.height * (padding.w + padding.y))
153 );
154
155 if (mat == null)
156 {
157 GUI.DrawTextureWithTexCoords(paddedTexArea, tex, uv, true);
158 }
159 else
160 {
161 // NOTE: There is an issue in Unity that prevents it from clipping the drawn preview
162 // using BeginGroup/EndGroup, and there is no way to specify a UV rect...
163 EditorGUI.DrawPreviewTexture(paddedTexArea, tex, mat);
164 }
165
166 // Draw the border indicator lines
167 GUI.BeginGroup(outerRect);
168 {
169 tex = contrastTexture;
170 GUI.color = Color.white;
171
172 if (inner.xMin != outer.xMin)
173 {
174 float x = (inner.xMin - outer.xMin) / outer.width * outerRect.width - 1;
175 DrawTiledTexture(new Rect(x, 0f, 1f, outerRect.height), tex);
176 }
177
178 if (inner.xMax != outer.xMax)
179 {
180 float x = (inner.xMax - outer.xMin) / outer.width * outerRect.width - 1;
181 DrawTiledTexture(new Rect(x, 0f, 1f, outerRect.height), tex);
182 }
183
184 if (inner.yMin != outer.yMin)
185 {
186 // GUI.DrawTexture is top-left based rather than bottom-left
187 float y = (inner.yMin - outer.yMin) / outer.height * outerRect.height - 1;
188 DrawTiledTexture(new Rect(0f, outerRect.height - y, outerRect.width, 1f), tex);
189 }
190
191 if (inner.yMax != outer.yMax)
192 {
193 float y = (inner.yMax - outer.yMin) / outer.height * outerRect.height - 1;
194 DrawTiledTexture(new Rect(0f, outerRect.height - y, outerRect.width, 1f), tex);
195 }
196 }
197
198 GUI.EndGroup();
199 }
200 }
201}