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

Comparing deliantra/server/common/map.C (file contents):
Revision 1.149 by root, Mon Sep 29 10:32:50 2008 UTC vs.
Revision 1.155 by root, Fri Dec 26 10:36:42 2008 UTC

 #include <unistd.h>
 #include "global.h"
 #include "loader.h"
 #include "path.h"
+sint8 maptile::outdoor_darkness;
 /* This rolls up wall, blocks_magic, blocks_view, etc, all into
  * one function that just returns a P_.. value (see map.h)
  * it will also do map translation for tiled maps, returning
  * new values into newmap, nx, and ny.  Any and all of those
 /*
  * 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;
  */
 void
 mapspace::update_ ()
 {
   object *last = 0;
-  uint8 flags = P_UPTODATE, light = 0, anywhere = 0;
+  uint8 flags = P_UPTODATE, anywhere = 0;
+  sint8 light = 0;
   MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
   //object *middle = 0;
   //object *top    = 0;
   //object *floor  = 0;
   object *&middle = faces_obj[1] = 0;
   object *&floor  = faces_obj[2] = 0;
   for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
     {
-      /* This could be made additive I guess (two lights better than
+      // Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
-       * one). But if so, it shouldn't be a simple additive - 2
-       * light bulbs do not illuminate twice as far as once since
-       * it is a dissapation factor that is cubed.
-       */
-      light = max (light, tmp->glow_radius);
+      light += tmp->glow_radius;
       /* This call is needed in order to update objects the player
        * is standing in that have animations (ie, grass, fire, etc).
        * However, it also causes the look window to be re-drawn
        * 3 times each time the player moves, because many of the
       if (tmp->type == SAFE_GROUND)          flags |= P_SAFE;
       if (QUERY_FLAG (tmp, FLAG_ALIVE))      flags |= P_IS_ALIVE;
       if (QUERY_FLAG (tmp, FLAG_DAMNED))     flags |= P_NO_CLERIC;
     }
-  this->light      = light;
+  this->light      = min (light, MAX_LIGHT_RADIUS);
   this->flags_     = flags;
   this->move_block = move_block & ~move_allow;
   this->move_on    = move_on;
   this->move_off   = move_off;
   this->move_slow  = move_slow;
     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
 maptile::play_sound (faceidx sound, int x, int y) const
 {
   if (!sound)
     return;
-  for_all_players (pl)
+  for_all_players_on_map (pl, this)
-    if (pl->ob->map == this)
-      if (client *ns = pl->ns)
+    if (client *ns = pl->ns)
-        {
+      {
-          int dx = x - pl->ob->x;
+        int dx = x - pl->ob->x;
-          int dy = y - pl->ob->y;
+        int dy = y - pl->ob->y;
-          int distance = idistance (dx, dy);
+        int distance = idistance (dx, dy);
-          if (distance <= MAX_SOUND_DISTANCE)
+        if (distance <= MAX_SOUND_DISTANCE)
-            ns->play_sound (sound, dx, dy);
+          ns->play_sound (sound, dx, dy);
-        }
+      }
 }
+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 ();
+}

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Comparing deliantra/server/common/map.C (file contents): Revision 1.149 by root, Mon Sep 29 10:32:50 2008 UTC vs. Revision 1.155 by root, Fri Dec 26 10:36:42 2008 UTC

Diff Legend

Comparing deliantra/server/common/map.C (file contents):
Revision 1.149 by root, Mon Sep 29 10:32:50 2008 UTC vs.
Revision 1.155 by root, Fri Dec 26 10:36:42 2008 UTC