fix animating textures

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@2118 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/model_brush.c b/model_brush.c
index 3d3f7cf6a86952480b73456ee830c369d8d11fba..c0c7fac937843d12862934b9c0feb2c9701c7bf1 100644 (file)
--- a/model_brush.c
+++ b/model_brush.c
@@ -138,12 +138,12 @@ Mod_LoadTextures
 */
 static void Mod_LoadTextures (lump_t *l)
 {
-       int                             i, j, k, num, max, altmax, mtwidth, mtheight, *dofs;
-       miptex_t                *dmiptex;
-       texture_t               *tx, *tx2, *anims[10], *altanims[10];
-       dmiptexlump_t   *m;
-       qbyte                   *data, *mtdata, *data2;
-       char                    name[256];
+       int i, j, k, num, max, altmax, mtwidth, mtheight, *dofs, incomplete;
+       miptex_t *dmiptex;
+       texture_t *tx, *tx2, *anims[10], *altanims[10];
+       dmiptexlump_t *m;
+       qbyte *data, *mtdata, *data2;
+       char name[256];
 
        loadmodel->textures = NULL;
 
@@ -360,7 +360,7 @@ static void Mod_LoadTextures (lump_t *l)
                tx = loadmodel->textures[i];
                if (!tx || tx->name[0] != '+' || tx->name[1] == 0 || tx->name[2] == 0)
                        continue;
-               if (tx->anim_total)
+               if (tx->anim_total[0] || tx->anim_total[1])
                        continue;       // already sequenced
 
                // find the number of frames in the animation
@@ -379,32 +379,52 @@ static void Mod_LoadTextures (lump_t *l)
                        else if (num >= 'a' && num <= 'j')
                                altanims[num - 'a'] = tx2;
                        else
-                               Host_Error ("Bad animating texture %s", tx->name);
+                               Con_Printf ("Bad animating texture %s\n", tx->name);
                }
 
                max = altmax = 0;
                for (j = 0;j < 10;j++)
                {
-                       if (anims[j] != NULL)
+                       if (anims[j])
                                max = j + 1;
-                       if (altanims[j] != NULL)
+                       if (altanims[j])
                                altmax = j + 1;
                }
+               //Con_Printf("linking animation %s (%i:%i frames)\n\n", tx->name, max, altmax);
+
+               incomplete = false;
+               for (j = 0;j < max;j++)
+               {
+                       if (!anims[j])
+                       {
+                               Con_Printf ("Missing frame %i of %s\n", j, tx->name);
+                               incomplete = true;
+                       }
+               }
+               for (j = 0;j < altmax;j++)
+               {
+                       if (!altanims[j])
+                       {
+                               Con_Printf ("Missing altframe %i of %s\n", j, tx->name);
+                               incomplete = true;
+                       }
+               }
+               if (incomplete)
+                       continue;
+
                if (altmax < 1)
                {
                        // if there is no alternate animation, duplicate the primary
                        // animation into the alternate
                        altmax = max;
                        for (k = 0;k < 10;k++)
-                               anims[k] = altanims[k];
+                               altanims[k] = anims[k];
                }
 
                // link together the primary animation
                for (j = 0;j < max;j++)
                {
                        tx2 = anims[j];
-                       if (!tx2)
-                               Host_Error ("Missing frame %i of %s", j, tx->name);
                        tx2->animated = true;
                        tx2->anim_total[0] = max;
                        tx2->anim_total[1] = altmax;
@@ -415,20 +435,22 @@ static void Mod_LoadTextures (lump_t *l)
                        }
                }
 
-               // link together the alternate animation
-               for (j = 0;j < altmax;j++)
+               // if there really is an alternate anim...
+               if (anims[0] != altanims[0])
                {
-                       tx2 = altanims[j];
-                       if (!tx2)
-                               Host_Error ("Missing frame %i of %s", j, tx->name);
-                       tx2->animated = true;
-                       // the primary/alternate are reversed here
-                       tx2->anim_total[0] = altmax;
-                       tx2->anim_total[1] = max;
-                       for (k = 0;k < 10;k++)
+                       // link together the alternate animation
+                       for (j = 0;j < altmax;j++)
                        {
-                               tx2->anim_frames[0][k] = altanims[k];
-                               tx2->anim_frames[1][k] = anims[k];
+                               tx2 = altanims[j];
+                               tx2->animated = true;
+                               // the primary/alternate are reversed here
+                               tx2->anim_total[0] = altmax;
+                               tx2->anim_total[1] = max;
+                               for (k = 0;k < 10;k++)
+                               {
+                                       tx2->anim_frames[0][k] = altanims[k];
+                                       tx2->anim_frames[1][k] = anims[k];
+                               }
                        }
                }
        }