| 1 | /* |
1 | /* |
| 2 | CrossFire, A Multiplayer game for X-windows |
2 | CrossFire, A Multiplayer game for X-windows |
| 3 | |
3 | |
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4 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
| 4 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
5 | Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
| 5 | Copyright (C) 1992 Frank Tore Johansen |
6 | Copyright (C) 1992 Frank Tore Johansen |
| 6 | |
7 | |
| 7 | This program is free software; you can redistribute it and/or modify |
8 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
9 | it under the terms of the GNU General Public License as published by |
| … | |
… | |
| 24 | /* Nov 95 - inserted USE_LIGHTING code stuff in here - b.t. */ |
25 | /* Nov 95 - inserted USE_LIGHTING code stuff in here - b.t. */ |
| 25 | |
26 | |
| 26 | #include <global.h> |
27 | #include <global.h> |
| 27 | #include <funcpoint.h> |
28 | #include <funcpoint.h> |
| 28 | #include <math.h> |
29 | #include <math.h> |
| 29 | |
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| 30 | |
30 | |
| 31 | /* Distance must be less than this for the object to be blocked. |
31 | /* Distance must be less than this for the object to be blocked. |
| 32 | * An object is 1.0 wide, so if set to 0.5, it means the object |
32 | * An object is 1.0 wide, so if set to 0.5, it means the object |
| 33 | * that blocks half the view (0.0 is complete block) will |
33 | * that blocks half the view (0.0 is complete block) will |
| 34 | * block view in our tables. |
34 | * block view in our tables. |
| … | |
… | |
| 293 | op->contr->blocked_los[dx][dy] = -1; |
293 | op->contr->blocked_los[dx][dy] = -1; |
| 294 | } |
294 | } |
| 295 | } |
295 | } |
| 296 | } |
296 | } |
| 297 | |
297 | |
| 298 | if (MAP_DARKNESS (op->map) > 0) /* player is on a dark map */ |
298 | if (op->map->darkness > 0) /* player is on a dark map */ |
| 299 | expand_lighted_sight (op); |
299 | expand_lighted_sight (op); |
| 300 | |
300 | |
| 301 | |
301 | |
| 302 | /* clear mark squares */ |
302 | /* clear mark squares */ |
| 303 | for (x = 0; x < op->contr->ns->mapx; x++) |
303 | for (x = 0; x < op->contr->ns->mapx; x++) |
| … | |
… | |
| 330 | { |
330 | { |
| 331 | int x, y, darklevel, ax, ay, basex, basey, mflags, light, x1, y1; |
331 | int x, y, darklevel, ax, ay, basex, basey, mflags, light, x1, y1; |
| 332 | maptile *m = op->map; |
332 | maptile *m = op->map; |
| 333 | sint16 nx, ny; |
333 | sint16 nx, ny; |
| 334 | |
334 | |
| 335 | darklevel = MAP_DARKNESS (m); |
335 | darklevel = m->darkness; |
| 336 | |
336 | |
| 337 | /* If the player can see in the dark, lower the darklevel for him */ |
337 | /* If the player can see in the dark, lower the darklevel for him */ |
| 338 | if (QUERY_FLAG (op, FLAG_SEE_IN_DARK)) |
338 | if (QUERY_FLAG (op, FLAG_SEE_IN_DARK)) |
| 339 | darklevel -= 2; |
339 | darklevel -= 2; |
| 340 | |
340 | |
| … | |
… | |
| 349 | /* Do a sanity check. If not valid, some code below may do odd |
349 | /* Do a sanity check. If not valid, some code below may do odd |
| 350 | * things. |
350 | * things. |
| 351 | */ |
351 | */ |
| 352 | if (darklevel > MAX_DARKNESS) |
352 | if (darklevel > MAX_DARKNESS) |
| 353 | { |
353 | { |
| 354 | LOG (llevError, "Map darkness for %s on %s is too high (%d)\n", &op->name, op->map->path, darklevel); |
354 | LOG (llevError, "Map darkness for %s on %s is too high (%d)\n", &op->name, &op->map->path, darklevel); |
| 355 | darklevel = MAX_DARKNESS; |
355 | darklevel = MAX_DARKNESS; |
| 356 | } |
356 | } |
| 357 | |
357 | |
| 358 | /* First, limit player furthest (unlighted) vision */ |
358 | /* First, limit player furthest (unlighted) vision */ |
| 359 | for (x = 0; x < op->contr->ns->mapx; x++) |
359 | for (x = 0; x < op->contr->ns->mapx; x++) |
| … | |
… | |
| 579 | * and then add the players location, which gives |
579 | * and then add the players location, which gives |
| 580 | * a distance. |
580 | * a distance. |
| 581 | */ |
581 | */ |
| 582 | else if (pl->ob->map == map->tile_map[0]) |
582 | else if (pl->ob->map == map->tile_map[0]) |
| 583 | { |
583 | { |
| 584 | if ((abs (pl->ob->x - x) <= pl->ns->mapx / 2) && (abs (y + MAP_HEIGHT (map->tile_map[0]) - pl->ob->y) <= pl->ns->mapy / 2)) |
584 | if ((abs (pl->ob->x - x) <= pl->ns->mapx / 2) && (abs (y + map->tile_map[0]->height - pl->ob->y) <= pl->ns->mapy / 2)) |
| 585 | pl->do_los = 1; |
585 | pl->do_los = 1; |
| 586 | } |
586 | } |
| 587 | else if (pl->ob->map == map->tile_map[2]) |
587 | else if (pl->ob->map == map->tile_map[2]) |
| 588 | { |
588 | { |
| 589 | if ((abs (pl->ob->x - x) <= pl->ns->mapx / 2) && (abs (pl->ob->y + MAP_HEIGHT (map) - y) <= pl->ns->mapy / 2)) |
589 | if ((abs (pl->ob->x - x) <= pl->ns->mapx / 2) && (abs (pl->ob->y + map->height - y) <= pl->ns->mapy / 2)) |
| 590 | pl->do_los = 1; |
590 | pl->do_los = 1; |
| 591 | } |
591 | } |
| 592 | else if (pl->ob->map == map->tile_map[1]) |
592 | else if (pl->ob->map == map->tile_map[1]) |
| 593 | { |
593 | { |
| 594 | if ((abs (pl->ob->x + MAP_WIDTH (map) - x) <= pl->ns->mapx / 2) && (abs (pl->ob->y - y) <= pl->ns->mapy / 2)) |
594 | if ((abs (pl->ob->x + map->width - x) <= pl->ns->mapx / 2) && (abs (pl->ob->y - y) <= pl->ns->mapy / 2)) |
| 595 | pl->do_los = 1; |
595 | pl->do_los = 1; |
| 596 | } |
596 | } |
| 597 | else if (pl->ob->map == map->tile_map[3]) |
597 | else if (pl->ob->map == map->tile_map[3]) |
| 598 | { |
598 | { |
| 599 | if ((abs (x + MAP_WIDTH (map->tile_map[3]) - pl->ob->x) <= pl->ns->mapx / 2) && (abs (pl->ob->y - y) <= pl->ns->mapy / 2)) |
599 | if ((abs (x + map->tile_map[3]->width - pl->ob->x) <= pl->ns->mapx / 2) && (abs (pl->ob->y - y) <= pl->ns->mapy / 2)) |
| 600 | pl->do_los = 1; |
600 | pl->do_los = 1; |
| 601 | } |
601 | } |
| 602 | } |
602 | } |
| 603 | } |
603 | } |
| 604 | |
604 | |
