Missing FormatInfo File.

src/main/java/mod/chiselsandbits/render/cache/FormatInfo.java

@@ -0,0 +1,103 @@
+package mod.chiselsandbits.render.cache;
+
+import net.minecraft.client.renderer.vertex.VertexFormat;
+
+public class FormatInfo
+{
+
+	final int totalSize;
+	final int faceSize;
+
+	final int[] offsets;
+	final int[] indexLengths;
+	final int[] finalLengths;
+
+	public FormatInfo(
+			final VertexFormat format )
+	{
+		int total = 0;
+		indexLengths = new int[format.getElementCount()];
+		finalLengths = new int[format.getElementCount()];
+		offsets = new int[format.getElementCount()];
+
+		for ( int x = 0; x < indexLengths.length; ++x )
+		{
+			finalLengths[x] = format.getElement( x ).getElementCount();
+			indexLengths[x] = finalLengths[x];
+
+			switch ( format.getElement( x ).getUsage() )
+			{
+				default:
+				case GENERIC:
+				case PADDING:
+					indexLengths[x] = 0;
+					break;
+
+				case COLOR:
+					indexLengths[x] = 4;
+					break;
+
+				case NORMAL:
+					indexLengths[x] = 3;
+					break;
+
+				case POSITION:
+					indexLengths[x] = 3;
+					break;
+
+				case UV:
+					indexLengths[x] = 2;
+					break;
+			}
+
+			offsets[x] = total;
+			total += indexLengths[x];
+		}
+
+		this.totalSize = total;
+		this.faceSize = total * 4;
+	}
+
+	public int[] pack(
+			float[][][] unpackedData )
+	{
+		int[] out = new int[this.faceSize];
+
+		int offset = 0;
+		for ( int f = 0; f < 4; ++f )
+		{
+			float[][] run2 = unpackedData[f];
+			for ( int x = 0; x < indexLengths.length; ++x )
+			{
+				float[] run = run2[x];
+				for ( int z = 0; z < indexLengths[x]; z++ )
+				{
+					if ( run.length > z )
+						out[offset++] = Float.floatToRawIntBits( run[z] );
+					else
+						out[offset++] = 0;
+				}
+			}
+		}
+
+		return out;
+	}
+
+	public float[] unpack(
+			int[] raw,
+			int vertex,
+			int index )
+	{
+		int size = indexLengths[index];
+		float[] out = new float[size];
+		int start = vertex * this.totalSize + offsets[index];
+
+		for ( int x = 0; x < size; x++ )
+		{
+			out[x] = Float.intBitsToFloat( raw[start + x] );
+		}
+
+		return out;
+	}
+
+}