1 files changed, 68 insertions, 0 deletions
diff --git a/src/main/java/com/anthonyhilyard/iceberg/renderer/CheckedBufferSource.java b/src/main/java/com/anthonyhilyard/iceberg/renderer/CheckedBufferSource.java
new file mode 100644
index 0000000..b8f5fde
--- /dev/null
+++ b/src/main/java/com/anthonyhilyard/iceberg/renderer/CheckedBufferSource.java
@@ -0,0 +1,68 @@
+package com.anthonyhilyard.iceberg.renderer;
+
+import com.mojang.blaze3d.vertex.VertexConsumer;
+
+import net.minecraft.client.renderer.MultiBufferSource;
+import net.minecraft.client.renderer.RenderType;
+
+public final class CheckedBufferSource implements MultiBufferSource
+{
+	private boolean hasRendered = false;
+	private final MultiBufferSource bufferSource;
+
+	public CheckedBufferSource(MultiBufferSource bufferSource)
+	{
+		this.bufferSource = bufferSource;
+	}
+
+	@Override
+	public VertexConsumer getBuffer(RenderType renderType)
+	{
+		final VertexConsumer vertexConsumer = bufferSource.getBuffer(renderType);
+		VertexConsumer vertexConsumerWrap = new VertexConsumer()
+		{
+			@Override
+			public VertexConsumer vertex(double x, double y, double z)
+			{
+				hasRendered = true;
+				return vertexConsumer.vertex(x, y, z);
+			}
+
+			@Override
+			public VertexConsumer color(int r, int g, int b, int a) { return vertexConsumer.color(r, g, b, a); }
+
+			@Override
+			public VertexConsumer uv(float u, float v) { return vertexConsumer.uv(u, v); }
+
+			@Override
+			public VertexConsumer overlayCoords(int x, int y) { return vertexConsumer.overlayCoords(x, y); }
+
+			@Override
+			public VertexConsumer uv2(int u, int v) { return vertexConsumer.uv2(u, v); }
+
+			@Override
+			public VertexConsumer normal(float x, float y, float z) { return vertexConsumer.normal(x, y, z); }
+
+			@Override
+			public void endVertex() { vertexConsumer.endVertex(); }
+
+			@Override
+			public void defaultColor(int r, int g, int b, int a) { vertexConsumer.defaultColor(r, g, b, a); }
+
+			@Override
+			public void unsetDefaultColor() { vertexConsumer.unsetDefaultColor(); }
+		};
+
+		return vertexConsumerWrap;
+	}
+	
+	public boolean hasRendered()
+	{
+		return hasRendered;
+	}
+
+	public void reset()
+	{
+		hasRendered = false;
+	}
+}
+\ No newline at end of file