[ViewVC] Diff of: cvs/deliantra/server/common/map.C

Comparing deliantra/server/common/map.C (file contents):
Revision 1.152 by root, Tue Dec 23 01:51:27 2008 UTC vs.
Revision 1.160 by root, Mon Oct 12 14:00:57 2009 UTC

  *
  * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
  * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team
  * Copyright (©) 1992,2007 Frank Tore Johansen
  *
- * Deliantra is free software: you can redistribute it and/or modify
+ * Deliantra is free software: you can redistribute it and/or modify it under
- * it under the terms of the GNU General Public License as published by
+ * the terms of the Affero GNU General Public License as published by the
- * the Free Software Foundation, either version 3 of the License, or
+ * Free Software Foundation, either version 3 of the License, or (at your
- * (at your option) any later version.
+ * option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
- * You should have received a copy of the GNU General Public License
+ * You should have received a copy of the Affero GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * and the GNU General Public License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
  *
  * The authors can be reached via e-mail to <support@deliantra.net>
  */
 #include <unistd.h>
                 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
                   {
                     // we insert manually because
                     // a) its way faster
                     // b) we remove manually, too, and there are good reasons for that
-                    // c) its correct
+                    // c) it's correct
                     mapspace &ms = at (op->x, op->y);
                     op->flag [FLAG_REMOVED] = false;
                     op->above = 0;
                     op->below = ms.top;
-                    if (ms.top)
-                      ms.top->above = op;
+                    *(ms.top ? &ms.top->above : &ms.bot) = op;
-                    else
-                      ms.bot = op;
                     ms.top = op;
                     ms.flags_ = 0;
                   }
                 else
           op->destroy ();
       }
 }
 /*
- * Updates every button on the map (by calling update_button() for them).
- */
-void
-maptile::update_buttons ()
-{
-  for (oblinkpt *obp = buttons; obp; obp = obp->next)
-    for (objectlink *ol = obp->link; ol; ol = ol->next)
-      {
-        if (!ol->ob)
-          {
-            LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
-                 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
-            continue;
-          }
-        if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
-          {
-            update_button (ol->ob);
-            break;
-          }
-      }
-}
-/*
  * This routine is supposed to find out the difficulty of the map.
  * difficulty does not have a lot to do with character level,
  * but does have a lot to do with treasure on the map.
  *
- * Difficulty can now be set by the map creature.  If the value stored
+ * Difficulty can now be set by the map creator. If the value stored
- * in the map is zero, then use this routine.  Maps should really
+ * in the map is zero, then use this routine. Maps should really
- * have a difficulty set than using this function - human calculation
+ * have a difficulty set rather than using this function - human calculation
- * is much better than this functions guesswork.
+ * is much better than this function's guesswork.
  */
 int
 maptile::estimate_difficulty () const
 {
   long monster_cnt = 0;
  * postive values make it darker, negative make it brighter
  */
 int
 maptile::change_map_light (int change)
 {
-  int new_level = darkness + change;
   /* Nothing to do */
-  if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS))
+  if (!change)
     return 0;
   /* inform all players on the map */
   if (change > 0)
     new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
   else
     new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
-  /* Do extra checking.  since darkness is a unsigned value,
+  darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
-   * we need to be extra careful about negative values.
-   * In general, the checks below are only needed if change
-   * is not +/-1
-   */
-  if (new_level < 0)
-    darkness = 0;
-  else if (new_level >= MAX_DARKNESS)
-    darkness = MAX_DARKNESS;
-  else
-    darkness = new_level;
   /* All clients need to get re-updated for the change */
   update_all_map_los (this);
   return 1;
     vol += op->volume ();
   return vol;
 }
-bool
+maptile *
 maptile::tile_available (int dir, bool load)
 {
-  if (!tile_path[dir])
+  if (tile_path[dir])
-    return 0;
+    {
-  if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
+      if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
-    return 1;
+        return tile_map[dir];
-  if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
+      if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
-    return 1;
+        return tile_map[dir];
+    }
   return 0;
 }
 /* this returns TRUE if the coordinates (x,y) are out of
   else
     {
       retval->distance_x += op2->x - x;
       retval->distance_y += op2->y - y;
-      retval->part = NULL;
+      retval->part = 0;
-      retval->distance = idistance (retval->distance_x, retval->distance_y);
+      retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
       retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
     }
 }
 /* Returns true of op1 and op2 are effectively on the same map
         if (distance <= MAX_SOUND_DISTANCE)
           ns->play_sound (sound, dx, dy);
       }
 }
+void
+maptile::say_msg (const char *msg, int x, int y) const
+{
+  for_all_players (pl)
+    if (client *ns = pl->ns)
+      {
+        int dx = x - pl->ob->x;
+        int dy = y - pl->ob->y;
+        int distance = idistance (dx, dy);
+        if (distance <= MAX_SOUND_DISTANCE)
+          ns->send_msg (NDI_GREY | NDI_DEF, SAY_CHANNEL, msg);
+      }
+}
+static void
+split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
+{
+  // clip to map to the left
+  if (x0 < 0)
+    {
+      if (maptile *tile = m->tile_available (TILE_LEFT, 1))
+        split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
+      if (x1 < 0) // entirely to the left
+        return;
+      x0 = 0;
+    }
+  // clip to map to the right
+  if (x1 > m->width)
+    {
+      if (maptile *tile = m->tile_available (TILE_RIGHT, 1))
+        split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
+      if (x0 > m->width) // entirely to the right
+        return;
+      x1 = m->width;
+    }
+  // clip to map above
+  if (y0 < 0)
+    {
+      if (maptile *tile = m->tile_available (TILE_UP, 1))
+        split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
+      if (y1 < 0) // entirely above
+        return;
+      y0 = 0;
+    }
+  // clip to map below
+  if (y1 > m->height)
+    {
+      if (maptile *tile = m->tile_available (TILE_DOWN, 1))
+        split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
+      if (y0 > m->height) // entirely below
+        return;
+      y1 = m->height;
+    }
+  // if we get here, the rect is within the current map
+  maprect *r = (maprect *)buf.alloc (sizeof (maprect));
+  r->m  = m;
+  r->x0 = x0;
+  r->y0 = y0;
+  r->x1 = x1;
+  r->y1 = y1;
+  r->dx = dx;
+  r->dy = dy;
+}
+maprect *
+maptile::split_to_tiles (int x0, int y0, int x1, int y1)
+{
+  static dynbuf buf (sizeof (maprect) * 8, sizeof (maprect) * 8);
+  buf.clear ();
+  ::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
+  // add end marker
+  maprect *r = (maprect *)buf.alloc (sizeof (maprect));
+  r->m = 0;
+  return (maprect *)buf.linearise ();
+}

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing deliantra/server/common/map.C (file contents): Revision 1.152 by root, Tue Dec 23 01:51:27 2008 UTC vs. Revision 1.160 by root, Mon Oct 12 14:00:57 2009 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.152 by root, Tue Dec 23 01:51:27 2008 UTC vs.
Revision 1.160 by root, Mon Oct 12 14:00:57 2009 UTC