Realized we can include the UV offsets into the UVs stored in the preprocessed map file, so we don't need to add those at runtime. Easy performance win.

world.c

@@ -338,8 +338,8 @@ static void world_drawface(const world_t *world, const ps1bsp_face_t *face)
         {
             const ps1bsp_vertex_t *vert = &world->vertices[faceVertex->index];
             *((SVECTOR*)curVec) = *((SVECTOR*)vert);
-            curVec->u = (u_short)faceVertex->u + faceTexture->uoffs;
-            curVec->v = (u_short)faceVertex->v + faceTexture->voffs;
+            curVec->u = (u_short)faceVertex->u;
+            curVec->v = (u_short)faceVertex->v;
             curVec->pad = faceVertex->light;
         }