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Comparing deliantra/server/common/map.C (file contents):
Revision 1.153 by root, Tue Dec 23 06:58:23 2008 UTC vs.
Revision 1.159 by root, Tue May 5 04:51:56 2009 UTC

334 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height)) 334 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
335 { 335 {
336 // we insert manually because 336 // we insert manually because
337 // a) its way faster 337 // a) its way faster
338 // b) we remove manually, too, and there are good reasons for that 338 // b) we remove manually, too, and there are good reasons for that
339 // c) its correct 339 // c) it's correct
340 mapspace &ms = at (op->x, op->y); 340 mapspace &ms = at (op->x, op->y);
341 341
342 op->flag [FLAG_REMOVED] = false; 342 op->flag [FLAG_REMOVED] = false;
343 343
344 op->above = 0; 344 op->above = 0;
345 op->below = ms.top; 345 op->below = ms.top;
346 346
347 if (ms.top)
348 ms.top->above = op; 347 *(ms.top ? &ms.top->above : &ms.bot) = op;
349 else
350 ms.bot = op;
351 348
352 ms.top = op; 349 ms.top = op;
353 ms.flags_ = 0; 350 ms.flags_ = 0;
354 } 351 }
355 else 352 else
937 op->destroy (); 934 op->destroy ();
938 } 935 }
939} 936}
940 937
941/* 938/*
942 * Updates every button on the map (by calling update_button() for them).
943 */
944void
945maptile::update_buttons ()
946{
947 for (oblinkpt *obp = buttons; obp; obp = obp->next)
948 for (objectlink *ol = obp->link; ol; ol = ol->next)
949 {
950 if (!ol->ob)
951 {
952 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
953 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
954 continue;
955 }
956
957 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
958 {
959 update_button (ol->ob);
960 break;
961 }
962 }
963}
964
965/*
966 * This routine is supposed to find out the difficulty of the map. 939 * This routine is supposed to find out the difficulty of the map.
967 * difficulty does not have a lot to do with character level, 940 * difficulty does not have a lot to do with character level,
968 * but does have a lot to do with treasure on the map. 941 * but does have a lot to do with treasure on the map.
969 * 942 *
970 * Difficulty can now be set by the map creator. If the value stored 943 * Difficulty can now be set by the map creator. If the value stored
1023 * postive values make it darker, negative make it brighter 996 * postive values make it darker, negative make it brighter
1024 */ 997 */
1025int 998int
1026maptile::change_map_light (int change) 999maptile::change_map_light (int change)
1027{ 1000{
1028 int new_level = darkness + change;
1029
1030 /* Nothing to do */ 1001 /* Nothing to do */
1031 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS)) 1002 if (!change)
1032 return 0; 1003 return 0;
1033 1004
1034 /* inform all players on the map */ 1005 /* inform all players on the map */
1035 if (change > 0) 1006 if (change > 0)
1036 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker."); 1007 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1037 else 1008 else
1038 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter."); 1009 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1039 1010
1040 /* Do extra checking. since darkness is a unsigned value, 1011 darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
1041 * we need to be extra careful about negative values.
1042 * In general, the checks below are only needed if change
1043 * is not +/-1
1044 */
1045 if (new_level < 0)
1046 darkness = 0;
1047 else if (new_level >= MAX_DARKNESS)
1048 darkness = MAX_DARKNESS;
1049 else
1050 darkness = new_level;
1051 1012
1052 /* All clients need to get re-updated for the change */ 1013 /* All clients need to get re-updated for the change */
1053 update_all_map_los (this); 1014 update_all_map_los (this);
1054 1015
1055 return 1; 1016 return 1;
1228 vol += op->volume (); 1189 vol += op->volume ();
1229 1190
1230 return vol; 1191 return vol;
1231} 1192}
1232 1193
1233bool 1194maptile *
1234maptile::tile_available (int dir, bool load) 1195maptile::tile_available (int dir, bool load)
1235{ 1196{
1236 if (!tile_path[dir]) 1197 if (tile_path[dir])
1237 return 0; 1198 {
1238
1239 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE)) 1199 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1240 return 1; 1200 return tile_map[dir];
1241 1201
1242 if ((tile_map[dir] = find_async (tile_path[dir], this, load))) 1202 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1243 return 1; 1203 return tile_map[dir];
1204 }
1244 1205
1245 return 0; 1206 return 0;
1246} 1207}
1247 1208
1248/* this returns TRUE if the coordinates (x,y) are out of 1209/* this returns TRUE if the coordinates (x,y) are out of
1554 else 1515 else
1555 { 1516 {
1556 retval->distance_x += op2->x - x; 1517 retval->distance_x += op2->x - x;
1557 retval->distance_y += op2->y - y; 1518 retval->distance_y += op2->y - y;
1558 1519
1559 retval->part = NULL; 1520 retval->part = 0;
1560 retval->distance = idistance (retval->distance_x, retval->distance_y); 1521 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1561 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1522 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1562 } 1523 }
1563} 1524}
1564 1525
1565/* Returns true of op1 and op2 are effectively on the same map 1526/* Returns true of op1 and op2 are effectively on the same map
1640 if (distance <= MAX_SOUND_DISTANCE) 1601 if (distance <= MAX_SOUND_DISTANCE)
1641 ns->play_sound (sound, dx, dy); 1602 ns->play_sound (sound, dx, dy);
1642 } 1603 }
1643} 1604}
1644 1605
1606void
1607maptile::say_msg (const char *msg, int x, int y) const
1608{
1609 for_all_players (pl)
1610 if (client *ns = pl->ns)
1611 {
1612 int dx = x - pl->ob->x;
1613 int dy = y - pl->ob->y;
1614
1615 int distance = idistance (dx, dy);
1616
1617 if (distance <= MAX_SOUND_DISTANCE)
1618 ns->send_msg (NDI_GREY | NDI_DEF, SAY_CHANNEL, msg);
1619 }
1620}
1621
1622static void
1623split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
1624{
1625 // clip to map to the left
1626 if (x0 < 0)
1627 {
1628 if (maptile *tile = m->tile_available (TILE_LEFT, 1))
1629 split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
1630
1631 if (x1 < 0) // entirely to the left
1632 return;
1633
1634 x0 = 0;
1635 }
1636
1637 // clip to map to the right
1638 if (x1 > m->width)
1639 {
1640 if (maptile *tile = m->tile_available (TILE_RIGHT, 1))
1641 split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
1642
1643 if (x0 > m->width) // entirely to the right
1644 return;
1645
1646 x1 = m->width;
1647 }
1648
1649 // clip to map above
1650 if (y0 < 0)
1651 {
1652 if (maptile *tile = m->tile_available (TILE_UP, 1))
1653 split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
1654
1655 if (y1 < 0) // entirely above
1656 return;
1657
1658 y0 = 0;
1659 }
1660
1661 // clip to map below
1662 if (y1 > m->height)
1663 {
1664 if (maptile *tile = m->tile_available (TILE_DOWN, 1))
1665 split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
1666
1667 if (y0 > m->height) // entirely below
1668 return;
1669
1670 y1 = m->height;
1671 }
1672
1673 // if we get here, the rect is within the current map
1674 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1675
1676 r->m = m;
1677 r->x0 = x0;
1678 r->y0 = y0;
1679 r->x1 = x1;
1680 r->y1 = y1;
1681 r->dx = dx;
1682 r->dy = dy;
1683}
1684
1685maprect *
1686maptile::split_to_tiles (int x0, int y0, int x1, int y1)
1687{
1688 static dynbuf buf (sizeof (maprect) * 8, sizeof (maprect) * 8);
1689 buf.clear ();
1690
1691 ::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
1692
1693 // add end marker
1694 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1695 r->m = 0;
1696
1697 return (maprect *)buf.linearise ();
1698}
1699

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