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Comparing deliantra/server/common/map.C (file contents):
Revision 1.182 by root, Sun Feb 7 04:22:33 2010 UTC vs.
Revision 1.203 by root, Sat Apr 23 04:56:46 2011 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001-2003,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001-2003 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the 9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * option) any later version. 11 * option) any later version.
… …
77 /* Make sure the coordinates are valid - they should be, as caller should 77 /* Make sure the coordinates are valid - they should be, as caller should
78 * have already checked this. 78 * have already checked this.
79 */ 79 */
80 if (OUT_OF_REAL_MAP (m, sx, sy)) 80 if (OUT_OF_REAL_MAP (m, sx, sy))
81 { 81 {
82 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n"); 82 LOG (llevError | logBacktrace, "blocked_link: Passed map, x, y coordinates outside of map\n");
83 return 1; 83 return 1;
84 } 84 }
85 85
86 mapspace &ms = m->at (sx, sy); 86 mapspace &ms = m->at (sx, sy);
87 87
… …
90 90
91 /* If space is currently not blocked by anything, no need to 91 /* If space is currently not blocked by anything, no need to
92 * go further. Not true for players - all sorts of special 92 * go further. Not true for players - all sorts of special
93 * things we need to do for players. 93 * things we need to do for players.
94 */ 94 */
95 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0)) 95 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && blocked == 0)
96 return 0; 96 return 0;
97 97
98 /* if there isn't anything alive on this space, and this space isn't 98 /* if there isn't anything alive on this space, and this space isn't
99 * otherwise blocked, we can return now. Only if there is a living 99 * otherwise blocked, we can return now. Only if there is a living
100 * creature do we need to investigate if it is part of this creature 100 * creature do we need to investigate if it is part of this creature
… …
110 /* We basically go through the stack of objects, and if there is 110 /* We basically go through the stack of objects, and if there is
111 * some other object that has NO_PASS or FLAG_ALIVE set, return 111 * some other object that has NO_PASS or FLAG_ALIVE set, return
112 * true. If we get through the entire stack, that must mean 112 * true. If we get through the entire stack, that must mean
113 * ob is blocking it, so return 0. 113 * ob is blocking it, so return 0.
114 */ 114 */
115 for (object *tmp = ms.bot; tmp; tmp = tmp->above) 115 for (object *tmp = ms.top; tmp; tmp = tmp->below)
116 { 116 {
117 if (OB_MOVE_BLOCK (ob, tmp)) 117 if (OB_MOVE_BLOCK (ob, tmp))
118 { 118 {
119 if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob)) 119 if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob))
120 if (RESULT_INT (0)) 120 if (RESULT_INT (0))
… …
144 return 1; // unconditional block 144 return 1; // unconditional block
145 145
146 } else { 146 } else {
147 // space does not block the ob, directly, but 147 // space does not block the ob, directly, but
148 // anything alive that is not a door still 148 // anything alive that is not a door still
149 // blocks anything but wizards. 149 // blocks anything
150 150
151 if (tmp->flag [FLAG_ALIVE] 151 if (tmp->flag [FLAG_ALIVE]
152 && tmp->head_ () != ob
153 && tmp != ob
154 && tmp->type != DOOR) 152 && tmp->type != DOOR
153 && tmp->head_ () != ob) //TODO: maybe move these check up?
155 return 1; 154 return 1;
156 } 155 }
157 } 156 }
158 157
159 return 0; 158 return 0;
160} 159}
161 160
162/* 161/*
163 * Returns qthe blocking object if the given object can't fit in the given 162 * Returns the blocking object if the given object can't fit in the given
164 * spot. This is meant for multi space objects - for single space objecs, 163 * spot. This is meant for multi space objects - for single space objecs,
165 * just calling get_map_blocked and checking that against movement type 164 * just calling get_map_blocked and checking that against movement type
166 * of object. This function goes through all the parts of the multipart 165 * of object. This function goes through all the parts of the multipart
167 * object and makes sure they can be inserted. 166 * object and makes sure they can be inserted.
168 * 167 *
… …
312 case KW_arch: 311 case KW_arch:
313 if (object *op = object::read (f, this)) 312 if (object *op = object::read (f, this))
314 { 313 {
315 // TODO: why? 314 // TODO: why?
316 if (op->inv) 315 if (op->inv)
316 {
317 op->carrying = 0;
317 op->update_weight (); 318 op->update_weight ();
319 }
318 320
319 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height)) 321 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
320 { 322 {
321 // we insert manually because 323 // we insert manually because
322 // a) its way faster 324 // a) its way faster
… …
422 return false; 424 return false;
423 425
424 return freezer.save (path); 426 return freezer.save (path);
425} 427}
426 428
427maptile::maptile () 429void
430maptile::init ()
428{ 431{
429 in_memory = MAP_SWAPPED; 432 in_memory = MAP_SWAPPED;
430 433
431 /* The maps used to pick up default x and y values from the 434 /* The maps used to pick up default x and y values from the
432 * map archetype. Mimic that behaviour. 435 * map archetype. Mimic that behaviour.
433 */ 436 */
434 width = 16; 437 width = 16;
435 height = 16; 438 height = 16;
436 timeout = 300; 439 timeout = 300;
437 max_items = MAX_ITEM_PER_ACTION; 440 max_items = MAX_ITEM_PER_ACTION;
438 max_volume = 2000000; // 2m³ 441 max_volume = 2000000; // 2m³
439}
440
441maptile::maptile (int w, int h)
442{
443 in_memory = MAP_SWAPPED;
444
445 width = w;
446 height = h;
447 reset_timeout = 0; 442 reset_timeout = 0;
448 timeout = 300;
449 enter_x = 0; 443 enter_x = 0;
450 enter_y = 0; 444 enter_y = 0;
445}
446
447maptile::maptile ()
448{
449 init ();
450}
451
452maptile::maptile (int w, int h)
453{
454 init ();
455
456 width = w;
457 height = h;
451 458
452 alloc (); 459 alloc ();
453} 460}
454 461
455/* 462/*
… …
555 * the map (or something equivilent) into output_string. */ 562 * the map (or something equivilent) into output_string. */
556static const char * 563static const char *
557print_shop_string (maptile *m) 564print_shop_string (maptile *m)
558{ 565{
559 static dynbuf_text buf; buf.clear (); 566 static dynbuf_text buf; buf.clear ();
567 bool first = true;
560 568
561 for (int i = 0; i < m->shopitems[0].index; i++) 569 for (int i = 0; i < m->shopitems[0].index; i++)
562 { 570 {
571 if (!first)
572 buf << ';';
573
574 first = false;
575
563 if (m->shopitems[i].typenum) 576 if (m->shopitems[i].typenum)
564 { 577 {
565 if (m->shopitems[i].strength) 578 if (m->shopitems[i].strength)
566 buf.printf ("%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 579 buf.printf ("%s:%d", m->shopitems[i].name, m->shopitems[i].strength);
567 else 580 else
568 buf.printf ("%s;", m->shopitems[i].name); 581 buf.printf ("%s", m->shopitems[i].name);
569 } 582 }
570 else 583 else
571 { 584 {
572 if (m->shopitems[i].strength) 585 if (m->shopitems[i].strength)
573 buf.printf ("*:%d;", m->shopitems[i].strength); 586 buf.printf ("*:%d", m->shopitems[i].strength);
574 else 587 else
575 buf.printf ("*"); 588 buf.printf ("*");
576 } 589 }
577 } 590 }
578 591
… …
601 { 614 {
602 case KW_msg: 615 case KW_msg:
603 thawer.get_ml (KW_endmsg, msg); 616 thawer.get_ml (KW_endmsg, msg);
604 break; 617 break;
605 618
606 case KW_lore: // CF+ extension 619 case KW_lore: // deliantra extension
607 thawer.get_ml (KW_endlore, maplore); 620 thawer.get_ml (KW_endlore, maplore);
608 break; 621 break;
609 622
610 case KW_maplore: 623 case KW_maplore:
611 thawer.get_ml (KW_endmaplore, maplore); 624 thawer.get_ml (KW_endmaplore, maplore);
… …
634 case KW_per_player: thawer.get (per_player); break; 647 case KW_per_player: thawer.get (per_player); break;
635 case KW_per_party: thawer.get (per_party); break; 648 case KW_per_party: thawer.get (per_party); break;
636 case KW_no_reset: thawer.get (no_reset); break; 649 case KW_no_reset: thawer.get (no_reset); break;
637 case KW_no_drop: thawer.get (no_drop); break; 650 case KW_no_drop: thawer.get (no_drop); break;
638 651
639 case KW_region: default_region = region::find (thawer.get_str ()); break; 652 case KW_region: thawer.get (default_region); break;
640 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; 653 case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break;
641 654
642 // old names new names 655 // old names new names
643 case KW_hp: case KW_enter_x: thawer.get (enter_x); break; 656 case KW_hp: case KW_enter_x: thawer.get (enter_x); break;
644 case KW_sp: case KW_enter_y: thawer.get (enter_y); break; 657 case KW_sp: case KW_enter_y: thawer.get (enter_y); break;
… …
652 665
653 case KW_tile_path_1: thawer.get (tile_path [0]); break; 666 case KW_tile_path_1: thawer.get (tile_path [0]); break;
654 case KW_tile_path_2: thawer.get (tile_path [1]); break; 667 case KW_tile_path_2: thawer.get (tile_path [1]); break;
655 case KW_tile_path_3: thawer.get (tile_path [2]); break; 668 case KW_tile_path_3: thawer.get (tile_path [2]); break;
656 case KW_tile_path_4: thawer.get (tile_path [3]); break; 669 case KW_tile_path_4: thawer.get (tile_path [3]); break;
670 case KW_tile_path_5: thawer.get (tile_path [4]); break;
671 case KW_tile_path_6: thawer.get (tile_path [5]); break;
657 672
658 case KW_ERROR: 673 case KW_ERROR:
659 set_key_text (thawer.kw_str, thawer.value); 674 set_key_text (thawer.kw_str, thawer.value);
660 break; 675 break;
661 676
662 case KW_end: 677 case KW_end:
663 thawer.next (); 678 thawer.next ();
664 return true; 679 return true;
665 680
666 default: 681 default:
667 if (!thawer.parse_error ("map", 0)) 682 if (!thawer.parse_error ("map"))
668 return false; 683 return false;
669 break; 684 break;
670 } 685 }
671 686
672 thawer.next (); 687 thawer.next ();
… …
690 int unique = 0; 705 int unique = 0;
691 for (object *op = spaces [i].bot; op; ) 706 for (object *op = spaces [i].bot; op; )
692 { 707 {
693 object *above = op->above; 708 object *above = op->above;
694 709
695 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 710 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
696 unique = 1; 711 unique = 1;
697 712
698 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique)) 713 if (op->head_ () == op && (op->flag [FLAG_UNIQUE] || unique))
699 op->destroy (); 714 op->destroy ();
700 715
701 op = above; 716 op = above;
702 } 717 }
703 } 718 }
… …
744 759
745 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]); 760 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
746 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]); 761 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
747 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]); 762 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
748 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]); 763 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
764 if (tile_path [4]) MAP_OUT2 (tile_path_5, tile_path [4]);
765 if (tile_path [5]) MAP_OUT2 (tile_path_6, tile_path [5]);
749 766
750 freezer.put (this); 767 freezer.put (this);
751 freezer.put (KW(end)); 768 freezer.put (KW(end));
752 769
753 return true; 770 return true;
… …
810 msg = 0; 827 msg = 0;
811 maplore = 0; 828 maplore = 0;
812 shoprace = 0; 829 shoprace = 0;
813 delete [] shopitems, shopitems = 0; 830 delete [] shopitems, shopitems = 0;
814 831
815 for (int i = 0; i < 4; i++) 832 for (int i = 0; i < TILE_NUM; i++)
816 tile_path [i] = 0; 833 tile_path [i] = 0;
817} 834}
818 835
819maptile::~maptile () 836maptile::~maptile ()
820{ 837{
… …
854 for (object *above, *op = ms->bot; op; op = above) 871 for (object *above, *op = ms->bot; op; op = above)
855 { 872 {
856 above = op->above; 873 above = op->above;
857 874
858 // do not decay anything above unique floor tiles (yet :) 875 // do not decay anything above unique floor tiles (yet :)
859 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 876 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
860 break; 877 break;
861 878
862 bool destroy = 0; 879 bool destroy = 0;
863 880
864 if (QUERY_FLAG (op, FLAG_IS_FLOOR) 881 if (op->flag [FLAG_IS_FLOOR]
865 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL) 882 || op->flag [FLAG_OBJ_ORIGINAL]
866 || QUERY_FLAG (op, FLAG_UNIQUE) 883 || op->flag [FLAG_UNIQUE]
867 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR) 884 || op->flag [FLAG_OVERLAY_FLOOR]
868 || QUERY_FLAG (op, FLAG_UNPAID) 885 || op->flag [FLAG_UNPAID]
869 || op->is_alive ()) 886 || op->is_alive ())
870 ; // do not decay 887 ; // do not decay
871 else if (op->is_weapon ()) 888 else if (op->is_weapon ())
872 { 889 {
873 op->stats.dam--; 890 op->stats.dam--;
… …
929 sint64 total_exp = 0; 946 sint64 total_exp = 0;
930 947
931 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 948 for (mapspace *ms = spaces + size (); ms-- > spaces; )
932 for (object *op = ms->bot; op; op = op->above) 949 for (object *op = ms->bot; op; op = op->above)
933 { 950 {
934 if (QUERY_FLAG (op, FLAG_MONSTER)) 951 if (op->flag [FLAG_MONSTER])
935 { 952 {
936 total_exp += op->stats.exp; 953 total_exp += op->stats.exp;
937 monster_cnt++; 954 monster_cnt++;
938 } 955 }
939 956
940 if (QUERY_FLAG (op, FLAG_GENERATOR)) 957 if (op->flag [FLAG_GENERATOR])
941 { 958 {
942 total_exp += op->stats.exp; 959 total_exp += op->stats.exp;
943 960
944 if (archetype *at = op->other_arch) 961 if (archetype *at = op->other_arch)
945 { 962 {
… …
1127 */ 1144 */
1128 1145
1129 for (object *tmp = last; tmp; tmp = tmp->below) 1146 for (object *tmp = last; tmp; tmp = tmp->below)
1130 { 1147 {
1131 /* Once we get to a floor, stop, since we already have a floor object */ 1148 /* Once we get to a floor, stop, since we already have a floor object */
1132 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1149 if (tmp->flag [FLAG_IS_FLOOR])
1133 break; 1150 break;
1134 1151
1135 /* If two top faces are already set, quit processing */ 1152 /* If two top faces are already set, quit processing */
1136 if (top && middle) 1153 if (top && middle)
1137 break; 1154 break;
… …
1180maptile * 1197maptile *
1181maptile::tile_available (int dir, bool load) 1198maptile::tile_available (int dir, bool load)
1182{ 1199{
1183 if (tile_path[dir]) 1200 if (tile_path[dir])
1184 { 1201 {
1202 // map is there and we don't need to load it OR it's loaded => return what we have
1185 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE)) 1203 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1186 return tile_map[dir]; 1204 return tile_map[dir];
1187 1205
1206 // well, try to locate it then, if possible - maybe it's there already
1188 if ((tile_map[dir] = find_async (tile_path[dir], this, load))) 1207 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1189 return tile_map[dir]; 1208 return tile_map[dir];
1190 } 1209 }
1191 1210
1192 return 0; 1211 return 0;
… …
1304/** 1323/**
1305 * Return whether map2 is adjacent to map1. If so, store the distance from 1324 * Return whether map2 is adjacent to map1. If so, store the distance from
1306 * map1 to map2 in dx/dy. 1325 * map1 to map2 in dx/dy.
1307 */ 1326 */
1308int 1327int
1309adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) 1328adjacent_map (maptile *map1, maptile *map2, int *dx, int *dy)
1310{ 1329{
1311 if (!map1 || !map2) 1330 if (!map1 || !map2)
1312 return 0; 1331 return 0;
1313 1332
1314 //TODO: this doesn't actually check correctly when intermediate maps are not loaded 1333 //TODO: this doesn't actually check correctly when intermediate maps are not loaded
… …
1316 if (map1 == map2) 1335 if (map1 == map2)
1317 { 1336 {
1318 *dx = 0; 1337 *dx = 0;
1319 *dy = 0; 1338 *dy = 0;
1320 } 1339 }
1321 else if (map1->tile_map[0] == map2) 1340 else if (map1->tile_available (TILE_NORTH, false) == map2)
1322 { /* up */ 1341 {
1323 *dx = 0; 1342 *dx = 0;
1324 *dy = -map2->height; 1343 *dy = -map2->height;
1325 } 1344 }
1326 else if (map1->tile_map[1] == map2) 1345 else if (map1->tile_available (TILE_EAST , false) == map2)
1327 { /* right */ 1346 {
1328 *dx = map1->width; 1347 *dx = map1->width;
1329 *dy = 0; 1348 *dy = 0;
1330 } 1349 }
1331 else if (map1->tile_map[2] == map2) 1350 else if (map1->tile_available (TILE_SOUTH, false) == map2)
1332 { /* down */ 1351 {
1333 *dx = 0; 1352 *dx = 0;
1334 *dy = map1->height; 1353 *dy = map1->height;
1335 } 1354 }
1336 else if (map1->tile_map[3] == map2) 1355 else if (map1->tile_available (TILE_WEST , false) == map2)
1337 { /* left */ 1356 {
1338 *dx = -map2->width; 1357 *dx = -map2->width;
1339 *dy = 0; 1358 *dy = 0;
1340 } 1359 }
1341 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[1] == map2) 1360 else if (map1->tile_map[TILE_NORTH] && map1->tile_map[TILE_NORTH]->tile_available (TILE_EAST , false) == map2)
1342 { /* up right */ 1361 { /* up right */
1343 *dx = map1->tile_map[0]->width; 1362 *dx = +map1->tile_map[TILE_NORTH]->width;
1344 *dy = -map1->tile_map[0]->height; 1363 *dy = -map1->tile_map[TILE_NORTH]->height;
1345 } 1364 }
1346 else if (map1->tile_map[0] && map1->tile_map[0]->tile_map[3] == map2) 1365 else if (map1->tile_map[TILE_NORTH] && map1->tile_map[TILE_NORTH]->tile_available (TILE_WEST , false) == map2)
1347 { /* up left */ 1366 { /* up left */
1348 *dx = -map2->width; 1367 *dx = -map2->width;
1349 *dy = -map1->tile_map[0]->height; 1368 *dy = -map1->tile_map[TILE_NORTH]->height;
1350 } 1369 }
1351 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[0] == map2) 1370 else if (map1->tile_map[TILE_EAST ] && map1->tile_map[TILE_EAST ]->tile_available (TILE_NORTH, false) == map2)
1352 { /* right up */ 1371 { /* right up */
1353 *dx = map1->width; 1372 *dx = +map1->width;
1354 *dy = -map2->height; 1373 *dy = -map2->height;
1355 } 1374 }
1356 else if (map1->tile_map[1] && map1->tile_map[1]->tile_map[2] == map2) 1375 else if (map1->tile_map[TILE_EAST ] && map1->tile_map[TILE_EAST ]->tile_available (TILE_SOUTH, false) == map2)
1357 { /* right down */ 1376 { /* right down */
1358 *dx = map1->width; 1377 *dx = +map1->width;
1359 *dy = map1->tile_map[1]->height; 1378 *dy = +map1->tile_map[TILE_EAST]->height;
1360 } 1379 }
1361 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[1] == map2) 1380 else if (map1->tile_map[TILE_SOUTH] && map1->tile_map[TILE_SOUTH]->tile_available (TILE_EAST , false) == map2)
1362 { /* down right */ 1381 { /* down right */
1363 *dx = map1->tile_map[2]->width; 1382 *dx = +map1->tile_map[TILE_SOUTH]->width;
1364 *dy = map1->height; 1383 *dy = +map1->height;
1365 } 1384 }
1366 else if (map1->tile_map[2] && map1->tile_map[2]->tile_map[3] == map2) 1385 else if (map1->tile_map[TILE_SOUTH] && map1->tile_map[TILE_SOUTH]->tile_available (TILE_WEST , false) == map2)
1367 { /* down left */ 1386 { /* down left */
1368 *dx = -map2->width; 1387 *dx = -map2->width;
1369 *dy = map1->height; 1388 *dy = +map1->height;
1370 } 1389 }
1371 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[0] == map2) 1390 else if (map1->tile_map[TILE_WEST ] && map1->tile_map[TILE_WEST ]->tile_available (TILE_NORTH, false) == map2)
1372 { /* left up */ 1391 { /* left up */
1373 *dx = -map1->tile_map[3]->width; 1392 *dx = -map1->tile_map[TILE_WEST]->width;
1374 *dy = -map2->height; 1393 *dy = -map2->height;
1375 } 1394 }
1376 else if (map1->tile_map[3] && map1->tile_map[3]->tile_map[2] == map2) 1395 else if (map1->tile_map[TILE_WEST ] && map1->tile_map[TILE_WEST ]->tile_available (TILE_SOUTH, false) == map2)
1377 { /* left down */ 1396 { /* left down */
1378 *dx = -map1->tile_map[3]->width; 1397 *dx = -map1->tile_map[TILE_WEST]->width;
1379 *dy = map1->tile_map[3]->height; 1398 *dy = +map1->tile_map[TILE_WEST]->height;
1380 } 1399 }
1381 else 1400 else
1382 return 0; 1401 return 0;
1383 1402
1384 return 1; 1403 return 1;
… …
1420 * 1439 *
1421 * currently, the only flag supported (0x1) is don't translate for 1440 * currently, the only flag supported (0x1) is don't translate for
1422 * closest body part of 'op1' 1441 * closest body part of 'op1'
1423 */ 1442 */
1424void 1443void
1425get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1444get_rangevector (object *op1, object *op2, rv_vector *retval, int flags)
1426{ 1445{
1427 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) 1446 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1428 { 1447 {
1429 /* be conservative and fill in _some_ data */ 1448 /* be conservative and fill in _some_ data */
1430 retval->distance = 10000; 1449 retval->distance = 10000;
1431 retval->distance_x = 10000; 1450 retval->distance_x = 10000;
1432 retval->distance_y = 10000; 1451 retval->distance_y = 10000;
1433 retval->direction = 0; 1452 retval->direction = 0;
1434 retval->part = 0; 1453 retval->part = 0;
1435 } 1454 }
1436 else 1455 else
1437 { 1456 {
1438 object *best;
1439
1440 retval->distance_x += op2->x - op1->x; 1457 retval->distance_x += op2->x - op1->x;
1441 retval->distance_y += op2->y - op1->y; 1458 retval->distance_y += op2->y - op1->y;
1442 1459
1443 best = op1; 1460 object *best = op1;
1461
1444 /* If this is multipart, find the closest part now */ 1462 /* If this is multipart, find the closest part now */
1445 if (!(flags & 0x1) && op1->more) 1463 if (!(flags & 1) && op1->more)
1446 { 1464 {
1447 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; 1465 int best_distance = idistance (retval->distance_x, retval->distance_y);
1448 1466
1449 /* we just take the offset of the piece to head to figure 1467 /* we just take the offset of the piece to head to figure
1450 * distance instead of doing all that work above again 1468 * distance instead of doing all that work above again
1451 * since the distance fields we set above are positive in the 1469 * since the distance fields we set above are positive in the
1452 * same axis as is used for multipart objects, the simply arithmetic 1470 * same axis as is used for multipart objects, the simply arithmetic
1453 * below works. 1471 * below works.
1454 */ 1472 */
1455 for (object *tmp = op1->more; tmp; tmp = tmp->more) 1473 for (object *tmp = op1->more; tmp; tmp = tmp->more)
1456 { 1474 {
1457 tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + 1475 int tmpi = idistance (op1->x - tmp->x + retval->distance_x, op1->y - tmp->y + retval->distance_y);
1458 (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); 1476
1459 if (tmpi < best_distance) 1477 if (tmpi < best_distance)
1460 { 1478 {
1461 best_distance = tmpi; 1479 best_distance = tmpi;
1462 best = tmp; 1480 best = tmp;
1463 } 1481 }
1464 } 1482 }
1465 1483
1466 if (best != op1) 1484 if (best != op1)
1467 { 1485 {
1468 retval->distance_x += op1->x - best->x; 1486 retval->distance_x += op1->x - best->x;
1469 retval->distance_y += op1->y - best->y; 1487 retval->distance_y += op1->y - best->y;
1470 } 1488 }
1471 } 1489 }
1472 1490
1473 retval->part = best; 1491 retval->part = best;
1474 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y)); 1492 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1475 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1493 retval->direction = find_dir_2 (retval->distance_x, retval->distance_y);
1476 } 1494 }
1477} 1495}
1478 1496
1479/* this is basically the same as get_rangevector above, but instead of 1497/* this is basically the same as get_rangevector above, but instead of
1480 * the first parameter being an object, it instead is the map 1498 * the first parameter being an object, it instead is the map
… …
1485 * be more consistant with the above function and also in case they are needed 1503 * be more consistant with the above function and also in case they are needed
1486 * for something in the future. Also, since no object is pasted, the best 1504 * for something in the future. Also, since no object is pasted, the best
1487 * field of the rv_vector is set to NULL. 1505 * field of the rv_vector is set to NULL.
1488 */ 1506 */
1489void 1507void
1490get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags) 1508get_rangevector_from_mapcoord (maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags)
1491{ 1509{
1492 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) 1510 if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y))
1493 { 1511 {
1494 /* be conservative and fill in _some_ data */ 1512 /* be conservative and fill in _some_ data */
1495 retval->distance = 100000; 1513 retval->distance = 100000;
1496 retval->distance_x = 32767; 1514 retval->distance_x = 32767;
1497 retval->distance_y = 32767; 1515 retval->distance_y = 32767;
1498 retval->direction = 0; 1516 retval->direction = 0;
1499 retval->part = 0; 1517 retval->part = 0;
1500 } 1518 }
1501 else 1519 else
1502 { 1520 {
1503 retval->distance_x += op2->x - x; 1521 retval->distance_x += op2->x - x;
1504 retval->distance_y += op2->y - y; 1522 retval->distance_y += op2->y - y;
1505 1523
1506 retval->part = 0; 1524 retval->part = 0;
1507 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y)); 1525 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1508 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1526 retval->direction = find_dir_2 (retval->distance_x, retval->distance_y);
1509 } 1527 }
1510} 1528}
1511 1529
1512/* Returns true of op1 and op2 are effectively on the same map 1530/* Returns true of op1 and op2 are effectively on the same map
1513 * (as related to map tiling). Note that this looks for a path from 1531 * (as related to map tiling). Note that this looks for a path from
… …
1563 */ 1581 */
1564 for (int i = 1000; --i;) 1582 for (int i = 1000; --i;)
1565 { 1583 {
1566 object *pick = at (gen (width), gen (height)).bot; 1584 object *pick = at (gen (width), gen (height)).bot;
1567 1585
1568 // do not prefer big monsters just because they are big. 1586 // must be head: do not prefer big monsters just because they are big.
1569 if (pick && pick->is_head ()) 1587 if (pick && pick->is_head ())
1570 return pick->head_ (); 1588 return pick;
1571 } 1589 }
1572 1590
1573 // instead of crashing in the unlikely(?) case, try to return *something* 1591 // instead of crashing in the unlikely(?) case, try to return *something*
1574 return archetype::find (shstr_bug); 1592 return archetype::find (shstr_bug);
1575} 1593}
… …
1617split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy) 1635split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
1618{ 1636{
1619 // clip to map to the left 1637 // clip to map to the left
1620 if (x0 < 0) 1638 if (x0 < 0)
1621 { 1639 {
1622 if (maptile *tile = m->tile_available (TILE_LEFT, 1)) 1640 if (maptile *tile = m->tile_available (TILE_WEST, 1))
1623 split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy); 1641 split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
1624 1642
1625 if (x1 < 0) // entirely to the left 1643 if (x1 < 0) // entirely to the left
1626 return; 1644 return;
1627 1645
… …
1629 } 1647 }
1630 1648
1631 // clip to map to the right 1649 // clip to map to the right
1632 if (x1 > m->width) 1650 if (x1 > m->width)
1633 { 1651 {
1634 if (maptile *tile = m->tile_available (TILE_RIGHT, 1)) 1652 if (maptile *tile = m->tile_available (TILE_EAST, 1))
1635 split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy); 1653 split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
1636 1654
1637 if (x0 > m->width) // entirely to the right 1655 if (x0 > m->width) // entirely to the right
1638 return; 1656 return;
1639 1657
… …
1641 } 1659 }
1642 1660
1643 // clip to map above 1661 // clip to map above
1644 if (y0 < 0) 1662 if (y0 < 0)
1645 { 1663 {
1646 if (maptile *tile = m->tile_available (TILE_UP, 1)) 1664 if (maptile *tile = m->tile_available (TILE_NORTH, 1))
1647 split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height); 1665 split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
1648 1666
1649 if (y1 < 0) // entirely above 1667 if (y1 < 0) // entirely above
1650 return; 1668 return;
1651 1669
… …
1653 } 1671 }
1654 1672
1655 // clip to map below 1673 // clip to map below
1656 if (y1 > m->height) 1674 if (y1 > m->height)
1657 { 1675 {
1658 if (maptile *tile = m->tile_available (TILE_DOWN, 1)) 1676 if (maptile *tile = m->tile_available (TILE_SOUTH, 1))
1659 split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height); 1677 split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
1660 1678
1661 if (y0 > m->height) // entirely below 1679 if (y0 > m->height) // entirely below
1662 return; 1680 return;
1663 1681

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