ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/common/map.C
(Generate patch)

Comparing deliantra/server/common/map.C (file contents):
Revision 1.151 by root, Tue Dec 23 00:39:48 2008 UTC vs.
Revision 1.159 by root, Tue May 5 04:51:56 2009 UTC

24#include <unistd.h> 24#include <unistd.h>
25 25
26#include "global.h" 26#include "global.h"
27#include "loader.h" 27#include "loader.h"
28#include "path.h" 28#include "path.h"
29
30sint8 maptile::outdoor_darkness;
29 31
30/* This rolls up wall, blocks_magic, blocks_view, etc, all into 32/* This rolls up wall, blocks_magic, blocks_view, etc, all into
31 * one function that just returns a P_.. value (see map.h) 33 * one function that just returns a P_.. value (see map.h)
32 * it will also do map translation for tiled maps, returning 34 * it will also do map translation for tiled maps, returning
33 * new values into newmap, nx, and ny. Any and all of those 35 * new values into newmap, nx, and ny. Any and all of those
332 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))
333 { 335 {
334 // we insert manually because 336 // we insert manually because
335 // a) its way faster 337 // a) its way faster
336 // 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
337 // c) its correct 339 // c) it's correct
338 mapspace &ms = at (op->x, op->y); 340 mapspace &ms = at (op->x, op->y);
339 341
340 op->flag [FLAG_REMOVED] = false; 342 op->flag [FLAG_REMOVED] = false;
341 343
342 op->above = 0; 344 op->above = 0;
343 op->below = ms.top; 345 op->below = ms.top;
344 346
345 if (ms.top)
346 ms.top->above = op; 347 *(ms.top ? &ms.top->above : &ms.bot) = op;
347 else
348 ms.bot = op;
349 348
350 ms.top = op; 349 ms.top = op;
351 ms.flags_ = 0; 350 ms.flags_ = 0;
352 } 351 }
353 else 352 else
935 op->destroy (); 934 op->destroy ();
936 } 935 }
937} 936}
938 937
939/* 938/*
940 * Updates every button on the map (by calling update_button() for them).
941 */
942void
943maptile::update_buttons ()
944{
945 for (oblinkpt *obp = buttons; obp; obp = obp->next)
946 for (objectlink *ol = obp->link; ol; ol = ol->next)
947 {
948 if (!ol->ob)
949 {
950 LOG (llevError, "Internal error in update_button (%s (%dx%d), connected %ld).\n",
951 ol->ob ? (const char *) ol->ob->name : "null", ol->ob ? ol->ob->x : -1, ol->ob ? ol->ob->y : -1, obp->value);
952 continue;
953 }
954
955 if (ol->ob->type == BUTTON || ol->ob->type == PEDESTAL)
956 {
957 update_button (ol->ob);
958 break;
959 }
960 }
961}
962
963/*
964 * 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.
965 * difficulty does not have a lot to do with character level, 940 * difficulty does not have a lot to do with character level,
966 * 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.
967 * 942 *
968 * Difficulty can now be set by the map creature. If the value stored 943 * Difficulty can now be set by the map creator. If the value stored
969 * in the map is zero, then use this routine. Maps should really 944 * in the map is zero, then use this routine. Maps should really
970 * have a difficulty set than using this function - human calculation 945 * have a difficulty set rather than using this function - human calculation
971 * is much better than this functions guesswork. 946 * is much better than this function's guesswork.
972 */ 947 */
973int 948int
974maptile::estimate_difficulty () const 949maptile::estimate_difficulty () const
975{ 950{
976 long monster_cnt = 0; 951 long monster_cnt = 0;
1021 * postive values make it darker, negative make it brighter 996 * postive values make it darker, negative make it brighter
1022 */ 997 */
1023int 998int
1024maptile::change_map_light (int change) 999maptile::change_map_light (int change)
1025{ 1000{
1026 int new_level = darkness + change;
1027
1028 /* Nothing to do */ 1001 /* Nothing to do */
1029 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS)) 1002 if (!change)
1030 return 0; 1003 return 0;
1031 1004
1032 /* inform all players on the map */ 1005 /* inform all players on the map */
1033 if (change > 0) 1006 if (change > 0)
1034 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker."); 1007 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1035 else 1008 else
1036 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter."); 1009 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1037 1010
1038 /* Do extra checking. since darkness is a unsigned value, 1011 darkness = clamp (darkness + change, -MAX_DARKNESS, MAX_DARKNESS);
1039 * we need to be extra careful about negative values.
1040 * In general, the checks below are only needed if change
1041 * is not +/-1
1042 */
1043 if (new_level < 0)
1044 darkness = 0;
1045 else if (new_level >= MAX_DARKNESS)
1046 darkness = MAX_DARKNESS;
1047 else
1048 darkness = new_level;
1049 1012
1050 /* All clients need to get re-updated for the change */ 1013 /* All clients need to get re-updated for the change */
1051 update_all_map_los (this); 1014 update_all_map_los (this);
1052 1015
1053 return 1; 1016 return 1;
1226 vol += op->volume (); 1189 vol += op->volume ();
1227 1190
1228 return vol; 1191 return vol;
1229} 1192}
1230 1193
1231bool 1194maptile *
1232maptile::tile_available (int dir, bool load) 1195maptile::tile_available (int dir, bool load)
1233{ 1196{
1234 if (!tile_path[dir]) 1197 if (tile_path[dir])
1235 return 0; 1198 {
1236
1237 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))
1238 return 1; 1200 return tile_map[dir];
1239 1201
1240 if ((tile_map[dir] = find_async (tile_path[dir], this, load))) 1202 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1241 return 1; 1203 return tile_map[dir];
1204 }
1242 1205
1243 return 0; 1206 return 0;
1244} 1207}
1245 1208
1246/* this returns TRUE if the coordinates (x,y) are out of 1209/* this returns TRUE if the coordinates (x,y) are out of
1552 else 1515 else
1553 { 1516 {
1554 retval->distance_x += op2->x - x; 1517 retval->distance_x += op2->x - x;
1555 retval->distance_y += op2->y - y; 1518 retval->distance_y += op2->y - y;
1556 1519
1557 retval->part = NULL; 1520 retval->part = 0;
1558 retval->distance = idistance (retval->distance_x, retval->distance_y); 1521 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1559 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1522 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1560 } 1523 }
1561} 1524}
1562 1525
1563/* 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
1638 if (distance <= MAX_SOUND_DISTANCE) 1601 if (distance <= MAX_SOUND_DISTANCE)
1639 ns->play_sound (sound, dx, dy); 1602 ns->play_sound (sound, dx, dy);
1640 } 1603 }
1641} 1604}
1642 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

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines