added (untested) CMPR compression based on BrawlLib's code.

1 files changed, 20 insertions, 1 deletions

diff --git a/NW4RTools/Texture.cs b/NW4RTools/Texture.cs
index 078fa6b..3dadce8 100644
--- a/NW4RTools/Texture.cs
+++ b/NW4RTools/Texture.cs
@@ -228,7 +228,26 @@ namespace NW4RTools {
 					}
 				}
 
-				
+				break;
+
+			case TextureFormat.CMPR:
+				// the texture format from hell
+				for (int y = 0; y < height; y += 8) {
+					for (int x = 0; x < width; x += 8) {
+						for (int iBlockY = 0; iBlockY < 2; iBlockY++) {
+							for (int iBlockX = 0; iBlockX < 2; iBlockX++) {
+								var block = Util.NVDXT.compressDXT1a(bits.Scan0,
+									x + (iBlockX * 4), y + (iBlockY * 4),
+									bits.Stride, bits.Height);
+
+								data.WriteUInt16(block.Color0);
+								data.WriteUInt16(block.Color1);
+								data.WriteUInt32(block.Lookup);
+							}
+						}
+					}
+				}
+
 				break;
 			}