1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/impl/widgets/TexturedDrawableConsumer.java b/src/main/java/me/shedaniel/rei/impl/widgets/TexturedDrawableConsumer.java
new file mode 100644
index 000000000..cc4b4b367
--- /dev/null
+++ b/src/main/java/me/shedaniel/rei/impl/widgets/TexturedDrawableConsumer.java
@@ -0,0 +1,75 @@
+/*
+ * This file is licensed under the MIT License, part of Roughly Enough Items.
+ * Copyright (c) 2018, 2019, 2020 shedaniel
+ *
+ * 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.
+ */
+
+package me.shedaniel.rei.impl.widgets;
+
+import me.shedaniel.rei.api.DrawableConsumer;
+import net.minecraft.client.MinecraftClient;
+import net.minecraft.client.gui.DrawableHelper;
+import net.minecraft.client.render.BufferBuilder;
+import net.minecraft.client.render.Tessellator;
+import net.minecraft.client.render.VertexFormats;
+import net.minecraft.util.Identifier;
+import org.lwjgl.opengl.GL11;
+
+public class TexturedDrawableConsumer implements DrawableConsumer {
+    
+    private Identifier identifier;
+    private int x, y, width, height, uWidth, vHeight, textureWidth, textureHeight;
+    private float u, v;
+    
+    public TexturedDrawableConsumer(Identifier identifier, int x, int y, int width, int height, float u, float v, int uWidth, int vHeight, int textureWidth, int textureHeight) {
+        this.identifier = identifier;
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+        this.u = u;
+        this.v = v;
+        this.uWidth = uWidth;
+        this.vHeight = vHeight;
+        this.textureWidth = textureWidth;
+        this.textureHeight = textureHeight;
+    }
+    
+    @Override
+    public void render(DrawableHelper helper, int mouseX, int mouseY, float delta) {
+        MinecraftClient.getInstance().getTextureManager().bindTexture(identifier);
+        innerBlit(x, x + width, y, y + height, helper.getBlitOffset(), uWidth, vHeight, u, v, textureWidth, textureHeight);
+    }
+    
+    private static void innerBlit(int xStart, int xEnd, int yStart, int yEnd, int z, int width, int height, float u, float v, int texWidth, int texHeight) {
+        innerBlit(xStart, xEnd, yStart, yEnd, z, u / texWidth, (u + width) / texWidth, v / texHeight, (v + height) / texHeight);
+    }
+    
+    protected static void innerBlit(int xStart, int xEnd, int yStart, int yEnd, int z, float uStart, float uEnd, float vStart, float vEnd) {
+        Tessellator tessellator = Tessellator.getInstance();
+        BufferBuilder bufferBuilder = tessellator.getBuffer();
+        bufferBuilder.begin(GL11.GL_QUADS, VertexFormats.POSITION_TEXTURE);
+        bufferBuilder.vertex(xStart, yEnd, z).texture(uStart, vEnd).next();
+        bufferBuilder.vertex(xEnd, yEnd, z).texture(uEnd, vEnd).next();
+        bufferBuilder.vertex(xEnd, yStart, z).texture(uEnd, vStart).next();
+        bufferBuilder.vertex(xStart, yStart, z).texture(uStart, vStart).next();
+        tessellator.draw();
+    }
+}