crude metaballs

[metatoy] / src / 3dgfx / 3dgfx.c

diff --git a/src/3dgfx/3dgfx.c b/src/3dgfx/3dgfx.c
index ac50929..64b7c0e 100644 (file)
--- a/src/3dgfx/3dgfx.c
+++ b/src/3dgfx/3dgfx.c
@@ -628,69 +628,33 @@ void g3d_draw_indexed(int prim, const struct g3d_vertex *varr, int varr_size,
                }
 #endif
 
-               switch(vnum) {
-               case 1:
-                       /*
-                       if(st->opt & (G3D_ALPHA_BLEND | G3D_ADD_BLEND)) {
-                               int r, g, b, inv_alpha;
-                               g3d_pixel *dest = pfill_fb.pixels + (pv[0].y >> 8) * st->width + (pv[0].x >> 8);
-                               if(st->opt & G3D_ALPHA_BLEND) {
-                                       inv_alpha = 255 - pv[0].a;
-                                       r = ((int)pv[0].r * pv[0].a + G3D_UNPACK_R(*dest) * inv_alpha) >> 8;
-                                       g = ((int)pv[0].g * pv[0].a + G3D_UNPACK_G(*dest) * inv_alpha) >> 8;
-                                       b = ((int)pv[0].b * pv[0].a + G3D_UNPACK_B(*dest) * inv_alpha) >> 8;
-                               } else {
-                                       r = (int)pv[0].r + G3D_UNPACK_R(*dest);
-                                       g = (int)pv[0].g + G3D_UNPACK_G(*dest);
-                                       b = (int)pv[0].b + G3D_UNPACK_B(*dest);
-                                       if(r > 255) r = 255;
-                                       if(g > 255) g = 255;
-                                       if(b > 255) b = 255;
-                               }
-                               *dest++ = G3D_PACK_RGB(r, g, b);
-                       } else {
-                               g3d_pixel *dest = pfill_fb.pixels + (pv[0].y >> 8) * st->width + (pv[0].x >> 8);
-                               *dest = G3D_PACK_RGB(pv[0].r, pv[0].g, pv[0].b);
-                       }
-                       */
-                       break;
-
-               case 2:
-                       {
-                               g3d_pixel col = pv[0].l;
-                               draw_line(pv[0].x >> 8, pv[0].y >> 8, pv[1].x >> 8, pv[1].y >> 8, col);
-                       }
-                       break;
-
-               default:
-                       fill_mode = st->polymode;
-                       if(st->opt & G3D_TEXTURE_2D) {
-                               fill_mode |= POLYFILL_TEX_BIT;
-                       }
-                       /*
-                       if(st->opt & G3D_ALPHA_BLEND) {
-                               fill_mode |= POLYFILL_ALPHA_BIT;
-                       } else if(st->opt & G3D_ADD_BLEND) {
-                               fill_mode |= POLYFILL_ADD_BIT;
-                       }
-                       */
+               fill_mode = st->polymode;
+               if(st->opt & G3D_TEXTURE_2D) {
+                       fill_mode |= POLYFILL_TEX_BIT;
+               }
+               /*
+               if(st->opt & G3D_ALPHA_BLEND) {
+                  fill_mode |= POLYFILL_ALPHA_BIT;
+               } else if(st->opt & G3D_ADD_BLEND) {
+                  fill_mode |= POLYFILL_ADD_BIT;
+               }
+               */
 #ifdef ENABLE_ZBUFFER
-                       if(st->opt & G3D_DEPTH_TEST) {
-                               fill_mode |= POLYFILL_ZBUF_BIT;
-                       }
+               if(st->opt & G3D_DEPTH_TEST) {
+                       fill_mode |= POLYFILL_ZBUF_BIT;
+               }
 #endif
-                       num_tri = vnum - 2;
-                       vtri = v;
-                       pvtri = pv;
-                       for(;;) {
-                               calc_grad(vtri);
-                               polyfill(fill_mode, pvtri);
-                               if(--num_tri == 0) break;
-                               vtri[1] = vtri[0];
-                               pvtri[1] = pvtri[0];
-                               vtri++;
-                               pvtri++;
-                       }
+               num_tri = vnum - 2;
+               vtri = v;
+               pvtri = pv;
+               for(;;) {
+                       calc_grad(vtri);
+                       polyfill(fill_mode, pvtri);
+                       if(--num_tri == 0) break;
+                       vtri[1] = vtri[0];
+                       pvtri[1] = pvtri[0];
+                       vtri++;
+                       pvtri++;
                }
        }
 }