Ported to 1.20.

1 files changed, 22 insertions, 3 deletions

diff --git a/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java b/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java
index eb91073..0b7da1f 100644
--- a/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java
+++ b/src/main/java/com/anthonyhilyard/iceberg/util/GuiHelper.java
@@ -1,7 +1,5 @@
 package com.anthonyhilyard.iceberg.util;
 
-import org.joml.Matrix4f;
-
 import net.minecraft.client.renderer.GameRenderer;
 
 import com.mojang.blaze3d.systems.RenderSystem;
@@ -9,8 +7,9 @@ import com.mojang.blaze3d.vertex.Tesselator;
 import com.mojang.blaze3d.vertex.BufferBuilder;
 import com.mojang.blaze3d.vertex.BufferUploader;
 import com.mojang.blaze3d.vertex.DefaultVertexFormat;
+import com.mojang.blaze3d.vertex.PoseStack;
 import com.mojang.blaze3d.vertex.VertexFormat;
-
+import org.joml.Matrix4f;
 
 public class GuiHelper
 {
@@ -74,4 +73,24 @@ public class GuiHelper
 
 		RenderSystem.disableBlend();
 	}
+
+	public static void blit(PoseStack poseStack, int x, int y, int width, int height, float texX, float texY, int texWidth, int texHeight, int fullWidth, int fullHeight) {
+		blit(poseStack, x, x + width, y, y + height, 0, texWidth, texHeight, texX, texY, fullWidth, fullHeight);
+	}
+	public static void blit(PoseStack poseStack, int x0, int x1, int y0, int y1, int z, int texWidth, int texHeight, float texX, float texY, int fullWidth, int fullHeight) {
+		innerBlit(poseStack, x0, x1, y0, y1, z, (texX + 0.0F) / (float)fullWidth, (texX + (float)texWidth) / (float)fullWidth, (texY + 0.0F) / (float)fullHeight, (texY + (float)texHeight) / (float)fullHeight);
+	}
+
+	private static void innerBlit(PoseStack poseStack, int x0, int x1, int y0, int y1, int z, float u0, float u1, float v0, float v1)
+	{
+		RenderSystem.setShader(GameRenderer::getPositionTexShader);
+		Matrix4f matrix4f = poseStack.last().pose();
+		BufferBuilder bufferbuilder = Tesselator.getInstance().getBuilder();
+		bufferbuilder.begin(VertexFormat.Mode.QUADS, DefaultVertexFormat.POSITION_TEX);
+		bufferbuilder.vertex(matrix4f, (float)x0, (float)y0, (float)z).uv(u0, v0).endVertex();
+		bufferbuilder.vertex(matrix4f, (float)x0, (float)y1, (float)z).uv(u0, v1).endVertex();
+		bufferbuilder.vertex(matrix4f, (float)x1, (float)y1, (float)z).uv(u1, v1).endVertex();
+		bufferbuilder.vertex(matrix4f, (float)x1, (float)y0, (float)z).uv(u1, v0).endVertex();
+		BufferUploader.drawWithShader(bufferbuilder.end());
+	}
 }