Update src/hardware/mw_model.c

Restore old code in GeneratePolygonNormals(), add TODO

src/hardware/hw_model.c

@@ -663,6 +663,7 @@ void GeneratePolygonNormals(model_t *model, int ztag)
 		{
 			int k;
 			mdlframe_t *frame = &mesh->frames[j];
+			const float *vertices = frame->vertices;
 			vector_t *polyNormals;
 
 			frame->polyNormals = (vector_t*)Z_Malloc(sizeof(vector_t) * mesh->numTriangles, ztag, 0);
@@ -671,6 +672,11 @@ void GeneratePolygonNormals(model_t *model, int ztag)
 
 			for (k = 0; k < mesh->numTriangles; k++)
 			{
+				/// TODO: normalize vectors
+				(void)vertices;
+				(void)polyNormals;
+//				Vector::Normal(vertices, polyNormals);
+				vertices += 3 * 3;
 				polyNormals++;
 			}
 		}