- clipper debugging

[dosdemo] / src / polytmpl.h

diff --git a/src/polytmpl.h b/src/polytmpl.h
index 3b3917e..db5997a 100644 (file)
--- a/src/polytmpl.h
+++ b/src/polytmpl.h
@@ -102,11 +102,35 @@ void POLYFILL(struct pvertex *pv, int nverts)
                int32_t y1 = pv[next].y;
 
                if((y0 >> 8) == (y1 >> 8)) {
-                       if(y0 > y1) {
+                       /*if(y0 > y1) {*/
+                               int i0, i1;
                                int idx = y0 >> 8;
-                               left[idx].x = pv[i].x < pv[next].x ? pv[i].x : pv[next].x;
-                               right[idx].x = pv[i].x < pv[next].x ? pv[next].x : pv[i].x;
-                       }
+                               if(pv[i].x < pv[next].x) {
+                                       i0 = i;
+                                       i1 = next;
+                               } else {
+                                       i0 = next;
+                                       i1 = i;
+                               }
+                               left[idx].x = pv[i0].x;
+                               right[idx].x = pv[i1].x;
+#ifdef GOURAUD
+                               left[idx].r = pv[i0].r << COLOR_SHIFT;
+                               left[idx].g = pv[i0].g << COLOR_SHIFT;
+                               left[idx].b = pv[i0].b << COLOR_SHIFT;
+                               right[idx].r = pv[i1].r << COLOR_SHIFT;
+                               right[idx].g = pv[i1].g << COLOR_SHIFT;
+                               right[idx].b = pv[i1].b << COLOR_SHIFT;
+#endif
+#ifdef TEXMAP
+                               left[idx].u = pv[i0].u;
+                               left[idx].v = pv[i0].v;
+                               right[idx].u = pv[i1].u;
+                               right[idx].v = pv[i1].v;
+#endif
+                               if(idx > slbot) slbot = idx;
+                               if(idx < sltop) sltop = idx;
+                       /*}*/
                } else {
                        struct pvertex *edge = y0 > y1 ? left : right;
                        uint32_t res = SCANEDGE(pv + i, pv + next, edge);