--- deliantra/Deliantra-Client/Client.xs	2007/04/11 04:32:51	1.179
+++ deliantra/Deliantra-Client/Client.xs	2007/04/21 23:36:20	1.187
@@ -347,7 +347,7 @@
 static void
 smooth_or_bits (HV *hv, smooth_key *key, IV bits)
 {
-  SV **sv = hv_fetch (hv, (char *)key, sizeof (key), 1);
+  SV **sv = hv_fetch (hv, (char *)key, sizeof (*key), 1);
 
   if (SvIOK (*sv))
     SvIV_set (*sv, SvIVX (*sv) | bits);
@@ -402,12 +402,17 @@
 #define SDLK_MODIFIER_MIN 300
 #define SDLK_MODIFIER_MAX 314
 
+static AV *texture_av;
+
 MODULE = CFPlus	PACKAGE = CFPlus
 
 PROTOTYPES: ENABLE
 
 BOOT:
 {
+  texture_av = newAV ();
+  AvREAL_off (texture_av);
+
   HV *stash = gv_stashpv ("CFPlus", 1);
   static const struct {
     const char *name;
@@ -1393,12 +1398,12 @@
         if (dx > 0)
           map_blank (self, self->x, self->y, dx, self->h);
         else if (dx < 0)
-          map_blank (self, self->x + self->w + dx + 1, self->y, -dx, self->h);
+          map_blank (self, self->x + self->w + dx, self->y, -dx, self->h);
 
         if (dy > 0)
           map_blank (self, self->x, self->y, self->w, dy);
         else if (dy < 0)
-          map_blank (self, self->x, self->y + self->h + dy + 1, self->w, -dy);
+          map_blank (self, self->x, self->y + self->h + dy, self->w, -dy);
 
 	self->ox += dx; self->x += dx;
 	self->oy += dy; self->y += dy;
@@ -1462,8 +1467,8 @@
                               cell->stat_width = *data++ + 1;
                             else if (cmd == 0x47)
                               {
-                                if (*data == 8)
-                                  ; // decode player uuid
+                                if (*data == 4)
+                                  ; // decode player count
 
                                 data += *data + 1;
                               }
@@ -1683,12 +1688,24 @@
                                 // add bits to current tile and all neighbours. skey.x|y is
                                 // shifted +1|+1 so we always stay positive.
 
+                                // bits is ___n cccc CCCC bbbb
+                                // n  do not draw borders&corners
+                                // c  draw these corners, but...
+                                // C  ... not these
+                                // b  draw these borders
+
+                                // borders: 1 ┃·  2 ━━  4 ·┃  8 ··
+                                //            ┃·    ··    ·┃    ━━
+                                
+                                // corners: 1 ┛·  2 ·┗  4 ··  8 ··
+                                //            ··    ··    ·┏    ┓·
+
                                 // full tile
                                 skey.x = x + 1; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x1000);
 
                                 // borders
-                                skey.x = x + 2; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0031);
-                                skey.x = x + 1; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0092);
+                                skey.x = x + 2; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0091);
+                                skey.x = x + 1; skey.y = y + 2; smooth_or_bits (smooth, &skey, 0x0032);
                                 skey.x = x    ; skey.y = y + 1; smooth_or_bits (smooth, &skey, 0x0064);
                                 skey.x = x + 1; skey.y = y    ; smooth_or_bits (smooth, &skey, 0x00c8);
 
@@ -1702,7 +1719,7 @@
                       }
               }
 
-            // go through all smoothlevels, lowest to highest, then draw
+            // go through all smoothlevels, lowest to highest, then draw.
             // this is basically counting sort
             {
               int w, b;
@@ -1723,12 +1740,6 @@
                               smooth_key *skey = (smooth_key *)HeKEY (he);
                               IV bits = SvIVX (HeVAL (he));
 
-                              // bits is ___n cccc CCCC bbbb
-                              // n  do not draw borders&corners
-                              // c  draw these corners, but...
-                              // C  ... not these
-                              // b  draw these borders
-
                               if (!(bits & 0x1000)
                                   && skey->level == level
                                   && level >= smooth_max [skey->x][skey->y])
@@ -2366,7 +2377,10 @@
         CODE:
 {
         GLuint name;
-        glGenTextures (1, &name);
+        if (AvFILL (texture_av) >= 0)
+          name = (GLuint)av_pop (texture_av);
+        else
+          glGenTextures (1, &name);
         RETVAL = name;
 }
 	OUTPUT:
@@ -2375,8 +2389,12 @@
 void glDeleteTexture (int name)
 	CODE:
 {
-        GLuint name_ = name;
-        glDeleteTextures (1, &name_);
+	/* make a half-assed attempt at returning the memory used by the texture */
+        /* textures are frequently being reused by cfplus anyway */
+        glBindTexture (GL_TEXTURE_2D, name);
+        glTexImage2D (GL_TEXTURE_2D, 0, GL_ALPHA, 0, 0, 0, GL_ALPHA, GL_UNSIGNED_BYTE, 0);
+        av_push (texture_av, (SV *)name);
+        /*glDeleteTextures (1, &name_);*/
 }
         
 int glGenList ()