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Comparing deliantra/server/common/map.C (file contents):
Revision 1.148 by root, Mon Sep 29 10:31:32 2008 UTC vs.
Revision 1.187 by root, Thu Apr 15 21:49:15 2010 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 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 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24#include <unistd.h> 25#include <unistd.h>
25 26
26#include "global.h" 27#include "global.h"
27#include "loader.h"
28#include "path.h" 28#include "path.h"
29
30//+GPL
31
32sint8 maptile::outdoor_darkness;
29 33
30/* This rolls up wall, blocks_magic, blocks_view, etc, all into 34/* This rolls up wall, blocks_magic, blocks_view, etc, all into
31 * one function that just returns a P_.. value (see map.h) 35 * one function that just returns a P_.. value (see map.h)
32 * it will also do map translation for tiled maps, returning 36 * it will also do map translation for tiled maps, returning
33 * new values into newmap, nx, and ny. Any and all of those 37 * new values into newmap, nx, and ny. Any and all of those
… …
68 * by the caller. 72 * by the caller.
69 */ 73 */
70int 74int
71blocked_link (object *ob, maptile *m, int sx, int sy) 75blocked_link (object *ob, maptile *m, int sx, int sy)
72{ 76{
73 object *tmp;
74 int mflags, blocked;
75
76 /* 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
77 * have already checked this. 78 * have already checked this.
78 */ 79 */
79 if (OUT_OF_REAL_MAP (m, sx, sy)) 80 if (OUT_OF_REAL_MAP (m, sx, sy))
80 { 81 {
81 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n"); 82 LOG (llevError, "blocked_link: Passed map, x, y coordinates outside of map\n");
82 return 1; 83 return 1;
83 } 84 }
84 85
85 /* Save some cycles - instead of calling get_map_flags(), just get the value 86 mapspace &ms = m->at (sx, sy);
86 * directly.
87 */
88 mflags = m->at (sx, sy).flags ();
89 87
90 blocked = GET_MAP_MOVE_BLOCK (m, sx, sy); 88 int mflags = ms.flags ();
89 int blocked = ms.move_block;
91 90
92 /* If space is currently not blocked by anything, no need to 91 /* If space is currently not blocked by anything, no need to
93 * go further. Not true for players - all sorts of special 92 * go further. Not true for players - all sorts of special
94 * things we need to do for players. 93 * things we need to do for players.
95 */ 94 */
96 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0)) 95 if (ob->type != PLAYER && !(mflags & P_IS_ALIVE) && (blocked == 0))
97 return 0; 96 return 0;
98 97
99 /* if there isn't anytyhing alive on this space, and this space isn't 98 /* if there isn't anything alive on this space, and this space isn't
100 * 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
101 * 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
102 * or another. Likewise, only if something is blocking us do we 101 * or another. Likewise, only if something is blocking us do we
103 * need to investigate if there is a special circumstance that would 102 * need to investigate if there is a special circumstance that would
104 * let the player through (inventory checkers for example) 103 * let the player through (inventory checkers for example)
… …
111 /* 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
112 * 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
113 * true. If we get through the entire stack, that must mean 112 * true. If we get through the entire stack, that must mean
114 * ob is blocking it, so return 0. 113 * ob is blocking it, so return 0.
115 */ 114 */
116 for (tmp = GET_MAP_OB (m, sx, sy); tmp; tmp = tmp->above) 115 for (object *tmp = ms.bot; tmp; tmp = tmp->above)
117 { 116 {
118 117 if (OB_MOVE_BLOCK (ob, tmp))
119 /* This must be before the checks below. Code for inventory checkers. */
120 if (tmp->type == CHECK_INV && OB_MOVE_BLOCK (ob, tmp))
121 { 118 {
122 /* If last_sp is set, the player/monster needs an object, 119 if (INVOKE_OBJECT (BLOCKED_MOVE, tmp, ob))
123 * so we check for it. If they don't have it, they can't 120 if (RESULT_INT (0))
124 * pass through this space. 121 return 1;
125 */ 122 else
126 if (tmp->last_sp) 123 continue;
124
125 if (tmp->type == CHECK_INV)
127 { 126 {
128 if (check_inv_recursive (ob, tmp) == NULL) 127 bool have = check_inv_recursive (ob, tmp);
128
129 // last_sp set means we block if we don't have.
130 if (logical_xor (have, tmp->last_sp))
129 return 1; 131 return 1;
130 else 132 }
131 continue; 133 else if (tmp->type == T_MATCH)
134 {
135 // T_MATCH allows "entrance" iff the match is true
136 // == blocks if the match fails
137
138 // we could have used an INVOKE_OBJECT, but decided against it, as we
139 // assume that T_MATCH is relatively common.
140 if (!match (tmp->slaying, ob, tmp, ob))
141 return 1;
132 } 142 }
133 else 143 else
134 { 144 return 1; // unconditional block
135 /* In this case, the player must not have the object - 145
136 * if they do, they can't pass through.
137 */
138 if (check_inv_recursive (ob, tmp) != NULL) /* player has object */
139 return 1;
140 else
141 continue;
142 }
143 } /* if check_inv */
144 else 146 } else {
145 { 147 // space does not block the ob, directly, but
146 /* Broke apart a big nasty if into several here to make 148 // anything alive that is not a door still
147 * this more readable. first check - if the space blocks 149 // blocks anything but wizards.
148 * movement, can't move here.
149 * second - if a monster, can't move there, unless it is a
150 * hidden dm
151 */
152 if (OB_MOVE_BLOCK (ob, tmp))
153 return 1;
154 150
155 if (tmp->flag [FLAG_ALIVE] 151 if (tmp->flag [FLAG_ALIVE]
156 && tmp->head_ () != ob 152 && tmp->head_ () != ob
157 && tmp != ob 153 && tmp != ob
158 && tmp->type != DOOR 154 && tmp->type != DOOR)
159 && !(tmp->flag [FLAG_WIZ] && tmp->contr->hidden))
160 return 1; 155 return 1;
161 } 156 }
162
163 } 157 }
158
164 return 0; 159 return 0;
165} 160}
166 161
167/* 162/*
168 * Returns qthe blocking object if the given object can't fit in the given 163 * Returns qthe blocking object if the given object can't fit in the given
… …
220 } 215 }
221 216
222 return 0; 217 return 0;
223} 218}
224 219
225/* When the map is loaded, load_object does not actually insert objects 220//-GPL
226 * into inventory, but just links them. What this does is go through
227 * and insert them properly.
228 * The object 'container' is the object that contains the inventory.
229 * This is needed so that we can update the containers weight.
230 */
231void
232fix_container (object *container)
233{
234 object *tmp = container->inv, *next;
235
236 container->inv = 0;
237 while (tmp)
238 {
239 next = tmp->below;
240 if (tmp->inv)
241 fix_container (tmp);
242
243 insert_ob_in_ob (tmp, container);
244 tmp = next;
245 }
246
247 // go through and calculate what all the containers are carrying.
248 //TODO: remove
249 container->update_weight ();
250}
251 221
252void 222void
253maptile::set_object_flag (int flag, int value) 223maptile::set_object_flag (int flag, int value)
254{ 224{
255 if (!spaces) 225 if (!spaces)
… …
270 240
271 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 241 for (mapspace *ms = spaces + size (); ms-- > spaces; )
272 for (object *tmp = ms->bot; tmp; tmp = tmp->above) 242 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
273 INVOKE_OBJECT (RESET, tmp); 243 INVOKE_OBJECT (RESET, tmp);
274} 244}
245
246void
247maptile::post_load ()
248{
249#if 0
250 if (!spaces)
251 return;
252
253 for (mapspace *ms = spaces + size (); ms-- > spaces; )
254 for (object *tmp = ms->bot; tmp; tmp = tmp->above)
255 ; // nop
256#endif
257}
258
259//+GPL
275 260
276/* link_multipart_objects go through all the objects on the map looking 261/* link_multipart_objects go through all the objects on the map looking
277 * for objects whose arch says they are multipart yet according to the 262 * for objects whose arch says they are multipart yet according to the
278 * info we have, they only have the head (as would be expected when 263 * info we have, they only have the head (as would be expected when
279 * they are saved). 264 * they are saved).
… …
307 op = op->above; 292 op = op->above;
308 } 293 }
309 } 294 }
310} 295}
311 296
297//-GPL
298
312/* 299/*
313 * Loads (ands parses) the objects into a given map from the specified 300 * Loads (ands parses) the objects into a given map from the specified
314 * file pointer. 301 * file pointer.
315 */ 302 */
316bool 303bool
… …
332 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height)) 319 if (IN_RANGE_EXC (op->x, 0, width) && IN_RANGE_EXC (op->y, 0, height))
333 { 320 {
334 // we insert manually because 321 // we insert manually because
335 // a) its way faster 322 // a) its way faster
336 // b) we remove manually, too, and there are good reasons for that 323 // b) we remove manually, too, and there are good reasons for that
337 // c) its correct 324 // c) it's correct
338 mapspace &ms = at (op->x, op->y); 325 mapspace &ms = at (op->x, op->y);
339 326
340 op->flag [FLAG_REMOVED] = false; 327 op->flag [FLAG_REMOVED] = false;
341 328
342 op->above = 0; 329 op->above = 0;
343 op->below = ms.top; 330 op->below = ms.top;
344 331
345 if (ms.top)
346 ms.top->above = op; 332 *(ms.top ? &ms.top->above : &ms.bot) = op;
347 else
348 ms.bot = op;
349 333
350 ms.top = op; 334 ms.top = op;
351 ms.flags_ = 0; 335 ms.flags_ = 0;
352 } 336 }
353 else 337 else
… …
448 * map archetype. Mimic that behaviour. 432 * map archetype. Mimic that behaviour.
449 */ 433 */
450 width = 16; 434 width = 16;
451 height = 16; 435 height = 16;
452 timeout = 300; 436 timeout = 300;
453 max_nrof = 1000; // 1000 items of anything 437 max_items = MAX_ITEM_PER_ACTION;
454 max_volume = 2000000; // 2m³ 438 max_volume = 2000000; // 2m³
455} 439}
456 440
457maptile::maptile (int w, int h) 441maptile::maptile (int w, int h)
458{ 442{
… …
479 if (spaces) 463 if (spaces)
480 return; 464 return;
481 465
482 spaces = salloc0<mapspace> (size ()); 466 spaces = salloc0<mapspace> (size ());
483} 467}
468
469//+GPL
484 470
485/* Takes a string from a map definition and outputs a pointer to the array of shopitems 471/* Takes a string from a map definition and outputs a pointer to the array of shopitems
486 * corresponding to that string. Memory is allocated for this, it must be freed 472 * corresponding to that string. Memory is allocated for this, it must be freed
487 * at a later date. 473 * at a later date.
488 * Called by parse_map_headers below. 474 * Called by parse_map_headers below.
… …
565 return items; 551 return items;
566} 552}
567 553
568/* opposite of parse string, this puts the string that was originally fed in to 554/* opposite of parse string, this puts the string that was originally fed in to
569 * the map (or something equivilent) into output_string. */ 555 * the map (or something equivilent) into output_string. */
570static void 556static const char *
571print_shop_string (maptile *m, char *output_string) 557print_shop_string (maptile *m)
572{ 558{
573 int i; 559 static dynbuf_text buf; buf.clear ();
574 char tmp[MAX_BUF];
575 560
576 strcpy (output_string, "");
577 for (i = 0; i < m->shopitems[0].index; i++) 561 for (int i = 0; i < m->shopitems[0].index; i++)
578 { 562 {
579 if (m->shopitems[i].typenum) 563 if (m->shopitems[i].typenum)
580 { 564 {
581 if (m->shopitems[i].strength) 565 if (m->shopitems[i].strength)
582 sprintf (tmp, "%s:%d;", m->shopitems[i].name, m->shopitems[i].strength); 566 buf.printf ("%s:%d;", m->shopitems[i].name, m->shopitems[i].strength);
583 else 567 else
584 sprintf (tmp, "%s;", m->shopitems[i].name); 568 buf.printf ("%s;", m->shopitems[i].name);
585 } 569 }
586 else 570 else
587 { 571 {
588 if (m->shopitems[i].strength) 572 if (m->shopitems[i].strength)
589 sprintf (tmp, "*:%d;", m->shopitems[i].strength); 573 buf.printf ("*:%d;", m->shopitems[i].strength);
590 else 574 else
591 sprintf (tmp, "*"); 575 buf.printf ("*");
592 } 576 }
593
594 strcat (output_string, tmp);
595 } 577 }
578
579 return buf;
596} 580}
581
582//-GPL
597 583
598/* This loads the header information of the map. The header 584/* This loads the header information of the map. The header
599 * contains things like difficulty, size, timeout, etc. 585 * contains things like difficulty, size, timeout, etc.
600 * this used to be stored in the map object, but with the 586 * this used to be stored in the map object, but with the
601 * addition of tiling, fields beyond that easily named in an 587 * addition of tiling, fields beyond that easily named in an
… …
642 case KW_shopgreed: thawer.get (shopgreed); break; 628 case KW_shopgreed: thawer.get (shopgreed); break;
643 case KW_shopmin: thawer.get (shopmin); break; 629 case KW_shopmin: thawer.get (shopmin); break;
644 case KW_shopmax: thawer.get (shopmax); break; 630 case KW_shopmax: thawer.get (shopmax); break;
645 case KW_shoprace: thawer.get (shoprace); break; 631 case KW_shoprace: thawer.get (shoprace); break;
646 case KW_outdoor: thawer.get (outdoor); break; 632 case KW_outdoor: thawer.get (outdoor); break;
647 case KW_temp: thawer.get (temp); break;
648 case KW_pressure: thawer.get (pressure); break;
649 case KW_humid: thawer.get (humid); break;
650 case KW_windspeed: thawer.get (windspeed); break;
651 case KW_winddir: thawer.get (winddir); break;
652 case KW_sky: thawer.get (sky); break;
653 633
654 case KW_per_player: thawer.get (per_player); break; 634 case KW_per_player: thawer.get (per_player); break;
655 case KW_per_party: thawer.get (per_party); break; 635 case KW_per_party: thawer.get (per_party); break;
656 case KW_no_reset: thawer.get (no_reset); break; 636 case KW_no_reset: thawer.get (no_reset); break;
657 case KW_no_drop: thawer.get (no_drop); break; 637 case KW_no_drop: thawer.get (no_drop); break;
… …
682 case KW_end: 662 case KW_end:
683 thawer.next (); 663 thawer.next ();
684 return true; 664 return true;
685 665
686 default: 666 default:
687 if (!thawer.parse_error ("map", 0)) 667 if (!thawer.parse_error ("map"))
688 return false; 668 return false;
689 break; 669 break;
690 } 670 }
691 671
692 thawer.next (); 672 thawer.next ();
693 } 673 }
694 674
695 abort (); 675 abort ();
696} 676}
677
678//+GPL
697 679
698/****************************************************************************** 680/******************************************************************************
699 * This is the start of unique map handling code 681 * This is the start of unique map handling code
700 *****************************************************************************/ 682 *****************************************************************************/
701 683
… …
708 int unique = 0; 690 int unique = 0;
709 for (object *op = spaces [i].bot; op; ) 691 for (object *op = spaces [i].bot; op; )
710 { 692 {
711 object *above = op->above; 693 object *above = op->above;
712 694
713 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 695 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
714 unique = 1; 696 unique = 1;
715 697
716 if (op->head_ () == op && (QUERY_FLAG (op, FLAG_UNIQUE) || unique)) 698 if (op->head_ () == op && (op->flag [FLAG_UNIQUE] || unique))
717 op->destroy (); 699 op->destroy ();
718 700
719 op = above; 701 op = above;
720 } 702 }
721 } 703 }
722} 704}
723 705
706//-GPL
707
724bool 708bool
725maptile::_save_header (object_freezer &freezer) 709maptile::_save_header (object_freezer &freezer)
726{ 710{
727#define MAP_OUT(k) freezer.put (KW_ ## k, k) 711#define MAP_OUT(k) freezer.put (KW(k), k)
728#define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) 712#define MAP_OUT2(k,v) freezer.put (KW(k), v)
729 713
730 MAP_OUT2 (arch, "map"); 714 MAP_OUT2 (arch, CS(map));
731 715
732 if (name) MAP_OUT (name); 716 if (name) MAP_OUT (name);
733 MAP_OUT (swap_time); 717 MAP_OUT (swap_time);
734 MAP_OUT (reset_time); 718 MAP_OUT (reset_time);
735 MAP_OUT (reset_timeout); 719 MAP_OUT (reset_timeout);
736 MAP_OUT (fixed_resettime); 720 MAP_OUT (fixed_resettime);
737 MAP_OUT (no_reset); 721 MAP_OUT (no_reset);
738 MAP_OUT (no_drop); 722 MAP_OUT (no_drop);
739 MAP_OUT (difficulty); 723 MAP_OUT (difficulty);
740
741 if (default_region) MAP_OUT2 (region, default_region->name); 724 if (default_region) MAP_OUT2 (region, default_region->name);
742 725
743 if (shopitems) 726 if (shopitems) MAP_OUT2 (shopitems, print_shop_string (this));
744 {
745 char shop[MAX_BUF];
746 print_shop_string (this, shop);
747 MAP_OUT2 (shopitems, shop);
748 }
749
750 MAP_OUT (shopgreed); 727 MAP_OUT (shopgreed);
751 MAP_OUT (shopmin); 728 MAP_OUT (shopmin);
752 MAP_OUT (shopmax); 729 MAP_OUT (shopmax);
753 if (shoprace) MAP_OUT (shoprace); 730 if (shoprace) MAP_OUT (shoprace);
754 MAP_OUT (darkness); 731
755 MAP_OUT (width); 732 MAP_OUT (width);
756 MAP_OUT (height); 733 MAP_OUT (height);
757 MAP_OUT (enter_x); 734 MAP_OUT (enter_x);
758 MAP_OUT (enter_y); 735 MAP_OUT (enter_y);
759 736 MAP_OUT (darkness);
760 if (msg) freezer.put (KW_msg , KW_endmsg , msg);
761 if (maplore) freezer.put (KW_maplore, KW_endmaplore, maplore);
762
763 MAP_OUT (outdoor); 737 MAP_OUT (outdoor);
764 MAP_OUT (temp); 738
765 MAP_OUT (pressure); 739 if (msg) freezer.put (KW(msg) , KW(endmsg) , msg);
766 MAP_OUT (humid); 740 if (maplore) freezer.put (KW(maplore), KW(endmaplore), maplore);
767 MAP_OUT (windspeed);
768 MAP_OUT (winddir);
769 MAP_OUT (sky);
770 741
771 MAP_OUT (per_player); 742 MAP_OUT (per_player);
772 MAP_OUT (per_party); 743 MAP_OUT (per_party);
773 744
774 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]); 745 if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]);
775 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]); 746 if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]);
776 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]); 747 if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]);
777 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]); 748 if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]);
778 749
779 freezer.put (this); 750 freezer.put (this);
780 freezer.put (KW_end); 751 freezer.put (KW(end));
781 752
782 return true; 753 return true;
783} 754}
784 755
785bool 756bool
… …
790 if (!_save_header (freezer)) 761 if (!_save_header (freezer))
791 return false; 762 return false;
792 763
793 return freezer.save (path); 764 return freezer.save (path);
794} 765}
766
767//+GPL
795 768
796/* 769/*
797 * Remove and free all objects in the given map. 770 * Remove and free all objects in the given map.
798 */ 771 */
799void 772void
… …
868 841
869 clear (); 842 clear ();
870} 843}
871 844
872/* decay and destroy perishable items in a map */ 845/* decay and destroy perishable items in a map */
846// TODO: should be done regularly, not on map load?
873void 847void
874maptile::do_decay_objects () 848maptile::do_decay_objects ()
875{ 849{
876 if (!spaces) 850 if (!spaces)
877 return; 851 return;
… …
879 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 853 for (mapspace *ms = spaces + size (); ms-- > spaces; )
880 for (object *above, *op = ms->bot; op; op = above) 854 for (object *above, *op = ms->bot; op; op = above)
881 { 855 {
882 above = op->above; 856 above = op->above;
883 857
858 // do not decay anything above unique floor tiles (yet :)
859 if (op->flag [FLAG_IS_FLOOR] && op->flag [FLAG_UNIQUE])
860 break;
861
884 bool destroy = 0; 862 bool destroy = 0;
885 863
886 // do not decay anything above unique floor tiles (yet :) 864 if (op->flag [FLAG_IS_FLOOR]
887 if (QUERY_FLAG (op, FLAG_IS_FLOOR) && QUERY_FLAG (op, FLAG_UNIQUE)) 865 || op->flag [FLAG_OBJ_ORIGINAL]
888 break; 866 || op->flag [FLAG_UNIQUE]
889 867 || op->flag [FLAG_OVERLAY_FLOOR]
890 if (QUERY_FLAG (op, FLAG_IS_FLOOR) 868 || op->flag [FLAG_UNPAID]
891 || QUERY_FLAG (op, FLAG_OBJ_ORIGINAL)
892 || QUERY_FLAG (op, FLAG_UNIQUE)
893 || QUERY_FLAG (op, FLAG_OVERLAY_FLOOR)
894 || QUERY_FLAG (op, FLAG_UNPAID)
895 || op->is_alive ()) 869 || op->is_alive ())
896 ; // do not decay 870 ; // do not decay
897 else if (op->is_weapon ()) 871 else if (op->is_weapon ())
898 { 872 {
899 op->stats.dam--; 873 op->stats.dam--;
… …
924 || mat & M_LIQUID 898 || mat & M_LIQUID
925 || (mat & M_IRON && rndm (1, 5) == 1) 899 || (mat & M_IRON && rndm (1, 5) == 1)
926 || (mat & M_GLASS && rndm (1, 2) == 1) 900 || (mat & M_GLASS && rndm (1, 2) == 1)
927 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1) 901 || ((mat & M_STONE || mat & M_ADAMANT) && rndm (1, 10) == 1)
928 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1) 902 || ((mat & M_SOFT_METAL || mat & M_BONE) && rndm (1, 3) == 1)
929 || (mat & M_ICE && temp > 32)) 903 //|| (mat & M_ICE && temp > 32)
904 )
930 destroy = 1; 905 destroy = 1;
931 } 906 }
932 907
933 /* adjust overall chance below */ 908 /* adjust overall chance below */
934 if (destroy && rndm (0, 1)) 909 if (destroy && rndm (0, 1))
935 op->destroy (true); 910 op->destroy ();
936 }
937}
938
939/*
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 } 911 }
961} 912}
962 913
963/* 914/*
964 * This routine is supposed to find out the difficulty of the map. 915 * This routine is supposed to find out the difficulty of the map.
965 * difficulty does not have a lot to do with character level, 916 * difficulty does not have a lot to do with character level,
966 * but does have a lot to do with treasure on the map. 917 * but does have a lot to do with treasure on the map.
967 * 918 *
968 * Difficulty can now be set by the map creature. If the value stored 919 * 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 920 * in the map is zero, then use this routine. Maps should really
970 * have a difficulty set than using this function - human calculation 921 * have a difficulty set rather than using this function - human calculation
971 * is much better than this functions guesswork. 922 * is much better than this function's guesswork.
972 */ 923 */
973int 924int
974maptile::estimate_difficulty () const 925maptile::estimate_difficulty () const
975{ 926{
976 long monster_cnt = 0; 927 long monster_cnt = 0;
… …
978 sint64 total_exp = 0; 929 sint64 total_exp = 0;
979 930
980 for (mapspace *ms = spaces + size (); ms-- > spaces; ) 931 for (mapspace *ms = spaces + size (); ms-- > spaces; )
981 for (object *op = ms->bot; op; op = op->above) 932 for (object *op = ms->bot; op; op = op->above)
982 { 933 {
983 if (QUERY_FLAG (op, FLAG_MONSTER)) 934 if (op->flag [FLAG_MONSTER])
984 { 935 {
985 total_exp += op->stats.exp; 936 total_exp += op->stats.exp;
986 monster_cnt++; 937 monster_cnt++;
987 } 938 }
988 939
989 if (QUERY_FLAG (op, FLAG_GENERATOR)) 940 if (op->flag [FLAG_GENERATOR])
990 { 941 {
991 total_exp += op->stats.exp; 942 total_exp += op->stats.exp;
992 943
993 if (archetype *at = op->other_arch) 944 if (archetype *at = op->other_arch)
994 { 945 {
… …
1021 * postive values make it darker, negative make it brighter 972 * postive values make it darker, negative make it brighter
1022 */ 973 */
1023int 974int
1024maptile::change_map_light (int change) 975maptile::change_map_light (int change)
1025{ 976{
1026 int new_level = darkness + change;
1027
1028 /* Nothing to do */ 977 /* Nothing to do */
1029 if (!change || (new_level <= 0 && darkness == 0) || (new_level >= MAX_DARKNESS && darkness >= MAX_DARKNESS)) 978 if (!change)
1030 return 0; 979 return 0;
1031 980
1032 /* inform all players on the map */ 981 /* inform all players on the map */
1033 if (change > 0) 982 if (change > 0)
1034 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker."); 983 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes darker.");
1035 else 984 else
1036 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter."); 985 new_info_map (NDI_BLACK | NDI_UNIQUE, this, "It becomes brighter.");
1037 986
1038 /* Do extra checking. since darkness is a unsigned value, 987 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 988
1050 /* All clients need to get re-updated for the change */ 989 /* All clients need to get re-updated for the change */
1051 update_all_map_los (this); 990 update_all_map_los (this);
1052 991
1053 return 1; 992 return 1;
… …
1061 */ 1000 */
1062void 1001void
1063mapspace::update_ () 1002mapspace::update_ ()
1064{ 1003{
1065 object *last = 0; 1004 object *last = 0;
1066 uint8 flags = P_UPTODATE, light = 0, anywhere = 0; 1005 uint8 flags = P_UPTODATE;
1006 sint8 light = 0;
1067 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; 1007 MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0;
1008 uint64_t volume = 0;
1009 uint32_t items = 0;
1010 object *anywhere = 0;
1011 uint8_t middle_visibility = 0;
1068 1012
1069 //object *middle = 0; 1013 //object *middle = 0;
1070 //object *top = 0; 1014 //object *top = 0;
1071 //object *floor = 0; 1015 //object *floor = 0;
1072 // this seems to generate better code than using locals, above 1016 // this seems to generate better code than using locals, above
1073 object *&top = faces_obj[0] = 0; 1017 object *&top = faces_obj[0] = 0;
1074 object *&middle = faces_obj[1] = 0; 1018 object *&middle = faces_obj[1] = 0;
1075 object *&floor = faces_obj[2] = 0; 1019 object *&floor = faces_obj[2] = 0;
1076 1020
1021 object::flags_t allflags; // all flags of all objects or'ed together
1022
1077 for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above) 1023 for (object *tmp = bot; tmp; last = tmp, tmp = tmp->above)
1078 { 1024 {
1079 /* This could be made additive I guess (two lights better than 1025 // Lights are additive, up to MAX_LIGHT_RADIUS, see los.C)
1080 * one). But if so, it shouldn't be a simple additive - 2
1081 * light bulbs do not illuminate twice as far as once since
1082 * it is a dissapation factor that is cubed.
1083 */
1084 light = max (light, tmp->glow_radius); 1026 light += tmp->glow_radius;
1085 1027
1086 /* This call is needed in order to update objects the player 1028 /* This call is needed in order to update objects the player
1087 * is standing in that have animations (ie, grass, fire, etc). 1029 * is standing in that have animations (ie, grass, fire, etc).
1088 * However, it also causes the look window to be re-drawn 1030 * However, it also causes the look window to be re-drawn
1089 * 3 times each time the player moves, because many of the 1031 * 3 times each time the player moves, because many of the
1090 * functions the move_player calls eventualy call this. 1032 * functions the move_player calls eventualy call this.
1091 * 1033 *
1092 * Always put the player down for drawing. 1034 * Always put the player down for drawing.
1093 */ 1035 */
1094 if (!tmp->invisible) 1036 if (expect_true (!tmp->invisible))
1095 { 1037 {
1096 if ((tmp->type == PLAYER || QUERY_FLAG (tmp, FLAG_MONSTER))) 1038 if (expect_false (tmp->type == PLAYER || tmp->flag [FLAG_MONSTER]))
1097 top = tmp; 1039 top = tmp;
1098 else if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1040 else if (expect_false (tmp->flag [FLAG_IS_FLOOR]))
1099 { 1041 {
1100 /* If we got a floor, that means middle and top were below it, 1042 /* If we got a floor, that means middle and top were below it,
1101 * so should not be visible, so we clear them. 1043 * so should not be visible, so we clear them.
1102 */ 1044 */
1103 middle = 0; 1045 middle = 0;
1104 top = 0; 1046 top = 0;
1105 floor = tmp; 1047 floor = tmp;
1048 volume = 0;
1049 items = 0;
1106 } 1050 }
1107 /* Flag anywhere have high priority */ 1051 else
1108 else if (QUERY_FLAG (tmp, FLAG_SEE_ANYWHERE))
1109 { 1052 {
1053 if (expect_true (!tmp->flag [FLAG_NO_PICK]))
1054 {
1055 ++items;
1056 volume += tmp->volume ();
1057 }
1058
1059 /* Flag anywhere have high priority */
1060 if (expect_false (tmp->flag [FLAG_SEE_ANYWHERE]))
1061 anywhere = tmp;
1062
1063 /* Find the highest visible face around. If equal
1064 * visibilities, we still want the one nearer to the
1065 * top
1066 */
1067 if (expect_false (::faces [tmp->face].visibility >= middle_visibility))
1068 {
1069 middle_visibility = ::faces [tmp->face].visibility;
1110 middle = tmp; 1070 middle = tmp;
1111 anywhere = 1; 1071 }
1112 } 1072 }
1113
1114 /* Find the highest visible face around. If equal
1115 * visibilities, we still want the one nearer to the
1116 * top
1117 */
1118 else if (!middle || (::faces [tmp->face].visibility > ::faces [middle->face].visibility && !anywhere))
1119 middle = tmp;
1120 }
1121
1122 if (tmp == tmp->above)
1123 {
1124 LOG (llevError, "Error in structure of map\n");
1125 exit (-1);
1126 } 1073 }
1127 1074
1128 move_slow |= tmp->move_slow; 1075 move_slow |= tmp->move_slow;
1129 move_block |= tmp->move_block; 1076 move_block |= tmp->move_block;
1130 move_on |= tmp->move_on; 1077 move_on |= tmp->move_on;
1131 move_off |= tmp->move_off; 1078 move_off |= tmp->move_off;
1132 move_allow |= tmp->move_allow; 1079 move_allow |= tmp->move_allow;
1133 1080
1134 if (QUERY_FLAG (tmp, FLAG_BLOCKSVIEW)) flags |= P_BLOCKSVIEW; 1081 allflags |= tmp->flag;
1135 if (QUERY_FLAG (tmp, FLAG_NO_MAGIC)) flags |= P_NO_MAGIC; 1082
1136 if (tmp->type == PLAYER) flags |= P_PLAYER; 1083 if (tmp->type == PLAYER) flags |= P_PLAYER;
1137 if (tmp->type == SAFE_GROUND) flags |= P_SAFE; 1084 if (tmp->type == SAFE_GROUND) flags |= P_SAFE;
1138 if (QUERY_FLAG (tmp, FLAG_ALIVE)) flags |= P_IS_ALIVE;
1139 if (QUERY_FLAG (tmp, FLAG_DAMNED)) flags |= P_NO_CLERIC;
1140 } 1085 }
1141 1086
1142 this->light = light; 1087 // FLAG_SEE_ANYWHERE takes precedence
1088 if (anywhere)
1089 middle = anywhere;
1090
1091 // ORing all flags together and checking them here is much faster
1092 if (allflags [FLAG_BLOCKSVIEW]) flags |= P_BLOCKSVIEW;
1093 if (allflags [FLAG_NO_MAGIC] ) flags |= P_NO_MAGIC;
1094 if (allflags [FLAG_ALIVE] ) flags |= P_IS_ALIVE;
1095 if (allflags [FLAG_DAMNED] ) flags |= P_NO_CLERIC;
1096
1097 this->light = min (light, MAX_LIGHT_RADIUS);
1143 this->flags_ = flags; 1098 this->flags_ = flags;
1144 this->move_block = move_block & ~move_allow; 1099 this->move_block = move_block & ~move_allow;
1145 this->move_on = move_on; 1100 this->move_on = move_on;
1146 this->move_off = move_off; 1101 this->move_off = move_off;
1147 this->move_slow = move_slow; 1102 this->move_slow = move_slow;
1103 this->volume_ = (volume + 1023) / 1024;
1104 this->items_ = upos_min (items, 65535); // assume nrof <= 2**31
1148 1105
1149 /* At this point, we have a floor face (if there is a floor), 1106 /* At this point, we have a floor face (if there is a floor),
1150 * and the floor is set - we are not going to touch it at 1107 * and the floor is set - we are not going to touch it at
1151 * this point. 1108 * this point.
1152 * middle contains the highest visibility face. 1109 * middle contains the highest visibility face.
… …
1170 */ 1127 */
1171 1128
1172 for (object *tmp = last; tmp; tmp = tmp->below) 1129 for (object *tmp = last; tmp; tmp = tmp->below)
1173 { 1130 {
1174 /* Once we get to a floor, stop, since we already have a floor object */ 1131 /* Once we get to a floor, stop, since we already have a floor object */
1175 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR)) 1132 if (tmp->flag [FLAG_IS_FLOOR])
1176 break; 1133 break;
1177 1134
1178 /* If two top faces are already set, quit processing */ 1135 /* If two top faces are already set, quit processing */
1179 if (top && middle) 1136 if (top && middle)
1180 break; 1137 break;
… …
1218 faces_obj [1] = middle; 1175 faces_obj [1] = middle;
1219 faces_obj [2] = floor; 1176 faces_obj [2] = floor;
1220#endif 1177#endif
1221} 1178}
1222 1179
1223uint64 1180maptile *
1224mapspace::volume () const
1225{
1226 uint64 vol = 0;
1227
1228 for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below)
1229 vol += op->volume ();
1230
1231 return vol;
1232}
1233
1234bool
1235maptile::tile_available (int dir, bool load) 1181maptile::tile_available (int dir, bool load)
1236{ 1182{
1237 if (!tile_path[dir]) 1183 if (tile_path[dir])
1238 return 0; 1184 {
1239
1240 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE)) 1185 if (tile_map[dir] && (!load || tile_map[dir]->in_memory == MAP_ACTIVE))
1241 return 1; 1186 return tile_map[dir];
1242 1187
1243 if ((tile_map[dir] = find_async (tile_path[dir], this, load))) 1188 if ((tile_map[dir] = find_async (tile_path[dir], this, load)))
1244 return 1; 1189 return tile_map[dir];
1190 }
1245 1191
1246 return 0; 1192 return 0;
1247} 1193}
1248 1194
1249/* this returns TRUE if the coordinates (x,y) are out of 1195/* this returns TRUE if the coordinates (x,y) are out of
… …
1474 * 1420 *
1475 * currently, the only flag supported (0x1) is don't translate for 1421 * currently, the only flag supported (0x1) is don't translate for
1476 * closest body part of 'op1' 1422 * closest body part of 'op1'
1477 */ 1423 */
1478void 1424void
1479get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) 1425get_rangevector (object *op1, object *op2, rv_vector *retval, int flags)
1480{ 1426{
1481 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) 1427 if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y))
1482 { 1428 {
1483 /* be conservative and fill in _some_ data */ 1429 /* be conservative and fill in _some_ data */
1484 retval->distance = 10000; 1430 retval->distance = 10000;
… …
1487 retval->direction = 0; 1433 retval->direction = 0;
1488 retval->part = 0; 1434 retval->part = 0;
1489 } 1435 }
1490 else 1436 else
1491 { 1437 {
1492 object *best;
1493
1494 retval->distance_x += op2->x - op1->x; 1438 retval->distance_x += op2->x - op1->x;
1495 retval->distance_y += op2->y - op1->y; 1439 retval->distance_y += op2->y - op1->y;
1496 1440
1497 best = op1; 1441 object *best = op1;
1442
1498 /* If this is multipart, find the closest part now */ 1443 /* If this is multipart, find the closest part now */
1499 if (!(flags & 0x1) && op1->more) 1444 if (!(flags & 1) && op1->more)
1500 { 1445 {
1501 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; 1446 int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi;
1502 1447
1503 /* we just take the offset of the piece to head to figure 1448 /* we just take the offset of the piece to head to figure
1504 * distance instead of doing all that work above again 1449 * distance instead of doing all that work above again
… …
1555 else 1500 else
1556 { 1501 {
1557 retval->distance_x += op2->x - x; 1502 retval->distance_x += op2->x - x;
1558 retval->distance_y += op2->y - y; 1503 retval->distance_y += op2->y - y;
1559 1504
1560 retval->part = NULL; 1505 retval->part = 0;
1561 retval->distance = idistance (retval->distance_x, retval->distance_y); 1506 retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y));
1562 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); 1507 retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y);
1563 } 1508 }
1564} 1509}
1565 1510
1566/* Returns true of op1 and op2 are effectively on the same map 1511/* Returns true of op1 and op2 are effectively on the same map
… …
1577 int dx, dy; 1522 int dx, dy;
1578 1523
1579 return adjacent_map (op1->map, op2->map, &dx, &dy); 1524 return adjacent_map (op1->map, op2->map, &dx, &dy);
1580} 1525}
1581 1526
1527//-GPL
1528
1582object * 1529object *
1583maptile::insert (object *op, int x, int y, object *originator, int flags) 1530maptile::insert (object *op, int x, int y, object *originator, int flags)
1584{ 1531{
1585 return insert_ob_in_map_at (op, this, originator, flags, x, y); 1532 return insert_ob_in_map_at (op, this, originator, flags, x, y);
1586} 1533}
… …
1597 if (default_region) 1544 if (default_region)
1598 return default_region; 1545 return default_region;
1599 1546
1600 return ::region::default_region (); 1547 return ::region::default_region ();
1601} 1548}
1549
1550//+GPL
1602 1551
1603/* picks a random object from a style map. 1552/* picks a random object from a style map.
1604 */ 1553 */
1605object * 1554object *
1606maptile::pick_random_object (rand_gen &gen) const 1555maptile::pick_random_object (rand_gen &gen) const
… …
1613 */ 1562 */
1614 for (int i = 1000; --i;) 1563 for (int i = 1000; --i;)
1615 { 1564 {
1616 object *pick = at (gen (width), gen (height)).bot; 1565 object *pick = at (gen (width), gen (height)).bot;
1617 1566
1618 // do not prefer big monsters just because they are big. 1567 // must be head: do not prefer big monsters just because they are big.
1619 if (pick && pick->is_head ()) 1568 if (pick && pick->is_head ())
1620 return pick->head_ (); 1569 return pick;
1621 } 1570 }
1622 1571
1623 // instead of crashing in the unlikely(?) case, try to return *something* 1572 // instead of crashing in the unlikely(?) case, try to return *something*
1624 return archetype::find ("bug"); 1573 return archetype::find (shstr_bug);
1625} 1574}
1575
1576//-GPL
1626 1577
1627void 1578void
1628maptile::play_sound (faceidx sound, int x, int y) const 1579maptile::play_sound (faceidx sound, int x, int y) const
1629{ 1580{
1630 if (!sound) 1581 if (!sound)
1631 return; 1582 return;
1632 1583
1584 for_all_players_on_map (pl, this)
1585 if (client *ns = pl->ns)
1586 {
1587 int dx = x - pl->ob->x;
1588 int dy = y - pl->ob->y;
1589
1590 int distance = idistance (dx, dy);
1591
1592 if (distance <= MAX_SOUND_DISTANCE)
1593 ns->play_sound (sound, dx, dy);
1594 }
1595}
1596
1597void
1598maptile::say_msg (const char *msg, int x, int y) const
1599{
1633 for_all_players (pl) 1600 for_all_players (pl)
1634 if (pl->ob->map == this)
1635 if (client *ns = pl->ns) 1601 if (client *ns = pl->ns)
1636 { 1602 {
1637 int dx = x - pl->ob->x; 1603 int dx = x - pl->ob->x;
1638 int dy = y - pl->ob->y; 1604 int dy = y - pl->ob->y;
1639 1605
1640 int distance = idistance (dx, dy); 1606 int distance = idistance (dx, dy);
1641 1607
1642 if (distance <= MAX_SOUND_DISTANCE) 1608 if (distance <= MAX_SOUND_DISTANCE)
1643 ns->play_sound (sound, dx, dy); 1609 ns->send_msg (NDI_GREY | NDI_DEF, SAY_CHANNEL, msg);
1644 } 1610 }
1645} 1611}
1646 1612
1613dynbuf mapwalk_buf (sizeof (maprect) * 25, sizeof (maprect) * 25);
1614
1615static void
1616split_to_tiles (dynbuf &buf, maptile *m, int x0, int y0, int x1, int y1, int dx, int dy)
1617{
1618 // clip to map to the left
1619 if (x0 < 0)
1620 {
1621 if (maptile *tile = m->tile_available (TILE_LEFT, 1))
1622 split_to_tiles (buf, tile, x0 + tile->width, y0, min (x1 + tile->width, tile->width), y1, dx - tile->width, dy);
1623
1624 if (x1 < 0) // entirely to the left
1625 return;
1626
1627 x0 = 0;
1628 }
1629
1630 // clip to map to the right
1631 if (x1 > m->width)
1632 {
1633 if (maptile *tile = m->tile_available (TILE_RIGHT, 1))
1634 split_to_tiles (buf, tile, max (x0 - m->width, 0), y0, x1 - m->width, y1, dx + m->width, dy);
1635
1636 if (x0 > m->width) // entirely to the right
1637 return;
1638
1639 x1 = m->width;
1640 }
1641
1642 // clip to map above
1643 if (y0 < 0)
1644 {
1645 if (maptile *tile = m->tile_available (TILE_UP, 1))
1646 split_to_tiles (buf, tile, x0, y0 + tile->height, x1, min (y1 + tile->height, tile->height), dx, dy - tile->height);
1647
1648 if (y1 < 0) // entirely above
1649 return;
1650
1651 y0 = 0;
1652 }
1653
1654 // clip to map below
1655 if (y1 > m->height)
1656 {
1657 if (maptile *tile = m->tile_available (TILE_DOWN, 1))
1658 split_to_tiles (buf, tile, x0, max (y0 - m->height, 0), x1, y1 - m->height, dx, dy + m->height);
1659
1660 if (y0 > m->height) // entirely below
1661 return;
1662
1663 y1 = m->height;
1664 }
1665
1666 // if we get here, the rect is within the current map
1667 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1668
1669 r->m = m;
1670 r->x0 = x0;
1671 r->y0 = y0;
1672 r->x1 = x1;
1673 r->y1 = y1;
1674 r->dx = dx;
1675 r->dy = dy;
1676}
1677
1678maprect *
1679maptile::split_to_tiles (dynbuf &buf, int x0, int y0, int x1, int y1)
1680{
1681 buf.clear ();
1682
1683 ::split_to_tiles (buf, this, x0, y0, x1, y1, 0, 0);
1684
1685 // add end marker
1686 maprect *r = (maprect *)buf.alloc (sizeof (maprect));
1687 r->m = 0;
1688
1689 return (maprect *)buf.linearise ();
1690}
1691

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