Corrected patch normals and vertex unwinding order, draw smaller normals with r_normalize 1.

1 files changed, 7 insertions, 5 deletions

diff --git a/src/model/mapfile.cc b/src/model/mapfile.cc
index deb22a5..f57106d 100644
--- a/src/model/mapfile.cc
+++ b/src/model/mapfile.cc
@@ -328,6 +328,7 @@ bool MapFile::read_patchdef()
 			}
 			
 			patchvertices[r][c].assign(x, y, z);
+			patchvertices[r][c] *= SCALE;
 		}
 		
 		if (!(linestream >> word)) {
@@ -390,12 +391,13 @@ bool MapFile::read_patchdef()
 	// TODO triangulate, assign texture coordinates
 	for (size_t r = 0; r < rows-1; r++) {
 		for (size_t c = 0; c < columns -1; c++) {
+			// unwind face counter-clockwise
 			Quad *quad = new Quad(
-				patchvertices[r][c] * SCALE, 
-				patchvertices[r][c+1] * SCALE, 
-				patchvertices[r+1][c+1] * SCALE, 
-				patchvertices[r+1][c] * SCALE, 
-				math::normal(patchvertices[r][c], patchvertices[r][c+1], patchvertices[r+1][c+1])
+				patchvertices[r+1][c+1],
+				patchvertices[r][c+1],
+				patchvertices[r][c],
+				patchvertices[r+1][c],
+				math::normal(patchvertices[r][c+1], patchvertices[r][c], patchvertices[r+1][c+1])
 			);
 			primitives->add_quad(quad);
 		}