1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game |
3 | |
3 | * |
|
|
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | Copyright (C) 2002-2003 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2002-2003 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 |
9 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | (at your option) any later version. |
11 | * (at your option) any later version. |
11 | |
12 | * |
12 | 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, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
16 | |
17 | * |
17 | You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | |
21 | * |
21 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | */ |
23 | */ |
23 | |
24 | |
24 | /* This file contains all the spell attack code. Grouping this code |
25 | /* This file contains all the spell attack code. Grouping this code |
25 | * together should hopefully make it easier to find the relevent bits |
26 | * together should hopefully make it easier to find the relevent bits |
26 | * of code |
27 | * of code |
27 | */ |
28 | */ |
… | |
… | |
144 | |
145 | |
145 | /* reduce chances of subsequent forking */ |
146 | /* reduce chances of subsequent forking */ |
146 | new_bolt->stats.Dex -= 10; |
147 | new_bolt->stats.Dex -= 10; |
147 | tmp->stats.Dex -= 10; /* less forks from main bolt too */ |
148 | tmp->stats.Dex -= 10; /* less forks from main bolt too */ |
148 | new_bolt->stats.Con += 25 * new_dir; /* adjust the left bias */ |
149 | new_bolt->stats.Con += 25 * new_dir; /* adjust the left bias */ |
149 | new_bolt->speed_left = -0.1; |
150 | new_bolt->speed_left = -0.1f; |
150 | new_bolt->direction = t_dir; |
151 | new_bolt->direction = t_dir; |
151 | new_bolt->duration++; |
152 | new_bolt->duration++; |
152 | new_bolt->stats.dam /= 2; /* reduce daughter bolt damage */ |
153 | new_bolt->stats.dam /= 2; /* reduce daughter bolt damage */ |
153 | new_bolt->stats.dam++; |
154 | new_bolt->stats.dam++; |
154 | tmp->stats.dam /= 2; /* reduce father bolt damage */ |
155 | tmp->stats.dam /= 2; /* reduce father bolt damage */ |
… | |
… | |
162 | */ |
163 | */ |
163 | |
164 | |
164 | void |
165 | void |
165 | move_bolt (object *op) |
166 | move_bolt (object *op) |
166 | { |
167 | { |
167 | object *tmp; |
|
|
168 | int mflags; |
168 | int mflags; |
169 | sint16 x, y; |
169 | sint16 x, y; |
170 | maptile *m; |
170 | maptile *m; |
171 | |
171 | |
172 | if (--op->duration < 0) |
172 | if (--op->duration < 0) |
… | |
… | |
245 | else |
245 | else |
246 | { /* Create a copy of this object and put it ahead */ |
246 | { /* Create a copy of this object and put it ahead */ |
247 | object *tmp = op->clone (); |
247 | object *tmp = op->clone (); |
248 | |
248 | |
249 | m->insert (tmp, x, y, op); |
249 | m->insert (tmp, x, y, op); |
250 | tmp->speed_left = -0.1; |
250 | tmp->speed_left = -0.1f; |
251 | /* To make up for the decrease at the top of the function */ |
251 | /* To make up for the decrease at the top of the function */ |
252 | tmp->duration++; |
252 | tmp->duration++; |
253 | |
253 | |
254 | /* New forking code. Possibly create forks of this object |
254 | /* New forking code. Possibly create forks of this object |
255 | * going off in other directions. |
255 | * going off in other directions. |
… | |
… | |
380 | if (ok_to_put_more (op->map, dx, dy, op, op->attacktype)) |
380 | if (ok_to_put_more (op->map, dx, dy, op, op->attacktype)) |
381 | { |
381 | { |
382 | object *tmp = op->clone (); |
382 | object *tmp = op->clone (); |
383 | |
383 | |
384 | tmp->state = 0; |
384 | tmp->state = 0; |
385 | tmp->speed_left = -0.21; |
385 | tmp->speed_left = -0.21f; |
386 | tmp->range--; |
386 | tmp->range--; |
387 | tmp->value = 0; |
387 | tmp->value = 0; |
388 | |
388 | |
389 | m->insert (tmp, dx, dy, op); |
389 | m->insert (tmp, dx, dy, op); |
390 | } |
390 | } |
… | |
… | |
518 | |
518 | |
519 | /* If nothing alive on this space, no reason to do anything further */ |
519 | /* If nothing alive on this space, no reason to do anything further */ |
520 | if (!(mflags & P_IS_ALIVE)) |
520 | if (!(mflags & P_IS_ALIVE)) |
521 | return; |
521 | return; |
522 | |
522 | |
523 | for (tmp = GET_MAP_OB (op->map, op->x, op->y); tmp != NULL; tmp = tmp->above) |
523 | for (tmp = op->ms ().bot; tmp; tmp = tmp->above) |
524 | { |
524 | { |
525 | if (QUERY_FLAG (tmp, FLAG_ALIVE)) |
525 | if (QUERY_FLAG (tmp, FLAG_ALIVE)) |
526 | { |
526 | { |
527 | dam = hit_player (tmp, op->stats.dam, op, op->attacktype, 1); |
527 | dam = hit_player (tmp, op->stats.dam, op, op->attacktype, 1); |
528 | if (op->destroyed () || !tmp->destroyed () || (op->stats.dam -= dam) < 0) |
528 | if (op->destroyed () || !tmp->destroyed () || (op->stats.dam -= dam) < 0) |
… | |
… | |
604 | } |
604 | } |
605 | else |
605 | else |
606 | check_bullet (op); |
606 | check_bullet (op); |
607 | } |
607 | } |
608 | |
608 | |
609 | |
|
|
610 | |
|
|
611 | |
|
|
612 | /* fire_bullet |
609 | /* fire_bullet |
613 | * object op (cast from caster) files a bolt in dir. |
610 | * object op (cast from caster) files a bolt in dir. |
614 | * spob is the spell object for the bolt. |
611 | * spob is the spell object for the bolt. |
615 | * we remove the magic flag - that can be derived from |
612 | * we remove the magic flag - that can be derived from |
616 | * spob->attacktype. |
613 | * spob->attacktype. |
… | |
… | |
683 | check_bullet (tmp); |
680 | check_bullet (tmp); |
684 | |
681 | |
685 | return 1; |
682 | return 1; |
686 | } |
683 | } |
687 | |
684 | |
688 | |
|
|
689 | |
|
|
690 | |
|
|
691 | /***************************************************************************** |
685 | /***************************************************************************** |
692 | * |
686 | * |
693 | * CONE RELATED FUNCTIONS |
687 | * CONE RELATED FUNCTIONS |
694 | * |
688 | * |
695 | *****************************************************************************/ |
689 | *****************************************************************************/ |
696 | |
|
|
697 | |
690 | |
698 | /* drops an object based on what is in the cone's "other_arch" */ |
691 | /* drops an object based on what is in the cone's "other_arch" */ |
699 | void |
692 | void |
700 | cone_drop (object *op) |
693 | cone_drop (object *op) |
701 | { |
694 | { |
… | |
… | |
1307 | return 0; |
1300 | return 0; |
1308 | } |
1301 | } |
1309 | return 1; |
1302 | return 1; |
1310 | } |
1303 | } |
1311 | |
1304 | |
1312 | |
|
|
1313 | |
|
|
1314 | |
|
|
1315 | int |
1305 | int |
1316 | cast_destruction (object *op, object *caster, object *spell_ob) |
1306 | cast_destruction (object *op, object *caster, object *spell_ob) |
1317 | { |
1307 | { |
1318 | int i, j, range, mflags, friendly = 0, dam, dur; |
1308 | int i, j, range, mflags, friendly = 0, dam, dur; |
1319 | sint16 sx, sy; |
1309 | sint16 sx, sy; |
… | |
… | |
1339 | else if (caster->skill) |
1329 | else if (caster->skill) |
1340 | op->skill = caster->skill; |
1330 | op->skill = caster->skill; |
1341 | else |
1331 | else |
1342 | op->skill = NULL; |
1332 | op->skill = NULL; |
1343 | |
1333 | |
1344 | change_skill (op, find_skill_by_name (op, op->skill), 1); |
1334 | op->change_skill (find_skill_by_name (op, op->skill)); |
1345 | |
1335 | |
1346 | for (i = -range; i < range; i++) |
1336 | for (i = -range; i < range; i++) |
1347 | { |
1337 | { |
1348 | for (j = -range; j < range; j++) |
1338 | for (j = -range; j < range; j++) |
1349 | { |
1339 | { |
… | |
… | |
1453 | new_draw_info (NDI_UNIQUE, 0, op, "Recasting the spell had no effect."); |
1443 | new_draw_info (NDI_UNIQUE, 0, op, "Recasting the spell had no effect."); |
1454 | } |
1444 | } |
1455 | return 1; |
1445 | return 1; |
1456 | } |
1446 | } |
1457 | force->duration = spell_ob->duration + SP_level_duration_adjust (caster, spell_ob) * 50; |
1447 | force->duration = spell_ob->duration + SP_level_duration_adjust (caster, spell_ob) * 50; |
1458 | force->speed = 1.0; |
1448 | force->speed = 1.f; |
1459 | force->speed_left = -1.0; |
1449 | force->speed_left = -1.f; |
1460 | SET_FLAG (force, FLAG_APPLIED); |
1450 | SET_FLAG (force, FLAG_APPLIED); |
1461 | |
1451 | |
1462 | if (god) |
1452 | if (god) |
1463 | { |
1453 | { |
1464 | if (spell_ob->last_grace) |
1454 | if (spell_ob->last_grace) |
… | |
… | |
1481 | insert_ob_in_ob (force, tmp); |
1471 | insert_ob_in_ob (force, tmp); |
1482 | tmp->update_stats (); |
1472 | tmp->update_stats (); |
1483 | return 1; |
1473 | return 1; |
1484 | |
1474 | |
1485 | } |
1475 | } |
1486 | |
|
|
1487 | |
1476 | |
1488 | /********************************************************************** |
1477 | /********************************************************************** |
1489 | * mood change |
1478 | * mood change |
1490 | * Arguably, this may or may not be an attack spell. But since it |
1479 | * Arguably, this may or may not be an attack spell. But since it |
1491 | * effects monsters, it seems best to put it into this file |
1480 | * effects monsters, it seems best to put it into this file |
… | |
… | |
1521 | else if (god && !strcmp (spell->race, "GOD_FRIEND")) |
1510 | else if (god && !strcmp (spell->race, "GOD_FRIEND")) |
1522 | race = god->race; |
1511 | race = god->race; |
1523 | else |
1512 | else |
1524 | race = spell->race; |
1513 | race = spell->race; |
1525 | |
1514 | |
1526 | |
|
|
1527 | for (x = op->x - range; x <= op->x + range; x++) |
1515 | for (x = op->x - range; x <= op->x + range; x++) |
1528 | for (y = op->y - range; y <= op->y + range; y++) |
1516 | for (y = op->y - range; y <= op->y + range; y++) |
1529 | { |
1517 | { |
1530 | |
|
|
1531 | done_one = 0; |
1518 | done_one = 0; |
1532 | m = op->map; |
1519 | m = op->map; |
1533 | nx = x; |
1520 | nx = x; |
1534 | ny = y; |
1521 | ny = y; |
1535 | mflags = get_map_flags (m, &m, x, y, &nx, &ny); |
1522 | mflags = get_map_flags (m, &m, x, y, &nx, &ny); |
… | |
… | |
1538 | |
1525 | |
1539 | /* If there is nothing living on this space, no need to go further */ |
1526 | /* If there is nothing living on this space, no need to go further */ |
1540 | if (!(mflags & P_IS_ALIVE)) |
1527 | if (!(mflags & P_IS_ALIVE)) |
1541 | continue; |
1528 | continue; |
1542 | |
1529 | |
|
|
1530 | // players can only affect spaces that they can actually see |
|
|
1531 | if (caster && caster->contr |
|
|
1532 | && caster->contr->visibility_at (m, nx, ny) < 70) |
|
|
1533 | continue; |
|
|
1534 | |
1543 | for (tmp = GET_MAP_OB (m, nx, ny); tmp; tmp = tmp->above) |
1535 | for (tmp = GET_MAP_TOP (m, nx, ny); tmp; tmp = tmp->below) |
1544 | if (QUERY_FLAG (tmp, FLAG_MONSTER)) |
1536 | if (QUERY_FLAG (tmp, FLAG_MONSTER)) |
1545 | break; |
1537 | break; |
1546 | |
1538 | |
1547 | /* There can be living objects that are not monsters */ |
1539 | /* There can be living objects that are not monsters */ |
1548 | if (!tmp || tmp->type == PLAYER) |
1540 | if (!tmp || tmp->type == PLAYER) |
… | |
… | |
1555 | head = tmp; |
1547 | head = tmp; |
1556 | |
1548 | |
1557 | /* Make sure the race is OK. Likewise, only effect undead if spell specifically allows it */ |
1549 | /* Make sure the race is OK. Likewise, only effect undead if spell specifically allows it */ |
1558 | if (race && head->race && !strstr (race, head->race)) |
1550 | if (race && head->race && !strstr (race, head->race)) |
1559 | continue; |
1551 | continue; |
|
|
1552 | |
1560 | if (QUERY_FLAG (head, FLAG_UNDEAD) && !QUERY_FLAG (spell, FLAG_UNDEAD)) |
1553 | if (QUERY_FLAG (head, FLAG_UNDEAD) && !QUERY_FLAG (spell, FLAG_UNDEAD)) |
1561 | continue; |
1554 | continue; |
1562 | |
1555 | |
1563 | /* Now do a bunch of stuff related to saving throws */ |
1556 | /* Now do a bunch of stuff related to saving throws */ |
1564 | best_at = -1; |
1557 | best_at = -1; |
… | |
… | |
1581 | at -= level / 5; |
1574 | at -= level / 5; |
1582 | if (did_make_save (head, head->level, at)) |
1575 | if (did_make_save (head, head->level, at)) |
1583 | continue; |
1576 | continue; |
1584 | } |
1577 | } |
1585 | else /* spell->attacktype */ |
1578 | else /* spell->attacktype */ |
1586 | /* |
|
|
1587 | Spell has no attacktype (charm & such), so we'll have a specific saving: |
|
|
1588 | * if spell level < monster level, no go |
|
|
1589 | * else, chance of effect = 20 + min( 50, 2 * ( spell level - monster level ) ) |
|
|
1590 | |
|
|
1591 | The chance will then be in the range [20-70] percent, not too bad. |
|
|
1592 | |
|
|
1593 | This is required to fix the 'charm monster' abuse, where a player level 1 can |
|
|
1594 | charm a level 125 monster... |
|
|
1595 | |
|
|
1596 | Ryo, august 14th |
|
|
1597 | */ |
|
|
1598 | { |
1579 | { |
|
|
1580 | /* |
|
|
1581 | Spell has no attacktype (charm & such), so we'll have a specific saving: |
|
|
1582 | * if spell level < monster level, no go |
|
|
1583 | * else, chance of effect = 20 + min( 50, 2 * ( spell level - monster level ) ) |
|
|
1584 | |
|
|
1585 | The chance will then be in the range [20-70] percent, not too bad. |
|
|
1586 | |
|
|
1587 | This is required to fix the 'charm monster' abuse, where a player level 1 can |
|
|
1588 | charm a level 125 monster... |
|
|
1589 | |
|
|
1590 | Ryo, august 14th |
|
|
1591 | */ |
1599 | if (head->level > level) |
1592 | if (head->level > level) |
1600 | continue; |
1593 | continue; |
|
|
1594 | |
1601 | if (random_roll (0, 100, caster, PREFER_LOW) >= (20 + MIN (50, 2 * (level - head->level)))) |
1595 | if (random_roll (0, 100, caster, PREFER_LOW) >= (20 + MIN (50, 2 * (level - head->level)))) |
1602 | /* Failed, no effect */ |
1596 | /* Failed, no effect */ |
1603 | continue; |
1597 | continue; |
1604 | } |
1598 | } |
1605 | |
1599 | |
1606 | /* Done with saving throw. Now start effecting the monster */ |
1600 | /* Done with saving throw. Now start affecting the monster */ |
1607 | |
1601 | |
1608 | /* aggravation */ |
1602 | /* aggravation */ |
1609 | if (QUERY_FLAG (spell, FLAG_MONSTER)) |
1603 | if (QUERY_FLAG (spell, FLAG_MONSTER)) |
1610 | { |
1604 | { |
1611 | CLEAR_FLAG (head, FLAG_SLEEP); |
1605 | CLEAR_FLAG (head, FLAG_SLEEP); |
1612 | if (QUERY_FLAG (head, FLAG_FRIENDLY)) |
|
|
1613 | remove_friendly_object (head); |
1606 | remove_friendly_object (head); |
1614 | |
|
|
1615 | done_one = 1; |
1607 | done_one = 1; |
1616 | head->enemy = op; |
1608 | head->enemy = op; |
1617 | } |
1609 | } |
1618 | |
1610 | |
1619 | /* calm monsters */ |
1611 | /* calm monsters */ |
… | |
… | |
1628 | if (QUERY_FLAG (spell, FLAG_BERSERK) && !QUERY_FLAG (head, FLAG_BERSERK)) |
1620 | if (QUERY_FLAG (spell, FLAG_BERSERK) && !QUERY_FLAG (head, FLAG_BERSERK)) |
1629 | { |
1621 | { |
1630 | SET_FLAG (head, FLAG_BERSERK); |
1622 | SET_FLAG (head, FLAG_BERSERK); |
1631 | done_one = 1; |
1623 | done_one = 1; |
1632 | } |
1624 | } |
|
|
1625 | |
1633 | /* charm */ |
1626 | /* charm */ |
1634 | if (QUERY_FLAG (spell, FLAG_NO_ATTACK) && !QUERY_FLAG (head, FLAG_FRIENDLY)) |
1627 | if (QUERY_FLAG (spell, FLAG_NO_ATTACK) && !QUERY_FLAG (head, FLAG_FRIENDLY)) |
1635 | { |
1628 | { |
1636 | SET_FLAG (head, FLAG_FRIENDLY); |
|
|
1637 | /* Prevent uncontolled outbreaks of self replicating monsters. |
1629 | /* Prevent uncontolled outbreaks of self replicating monsters. |
1638 | Typical use case is charm, go somwhere, use aggravation to make hostile. |
1630 | Typical use case is charm, go somwhere, use aggravation to make hostile. |
1639 | This could lead to fun stuff like mice outbreak in bigworld and server crawl. */ |
1631 | This could lead to fun stuff like mice outbreak in bigworld and server crawl. */ |
1640 | CLEAR_FLAG (head, FLAG_GENERATOR); |
1632 | CLEAR_FLAG (head, FLAG_GENERATOR); |
1641 | head->set_owner (op); |
1633 | head->set_owner (op); |
… | |
… | |
1719 | * if this has an other_arch field, we insert that in |
1711 | * if this has an other_arch field, we insert that in |
1720 | * the surround spaces. |
1712 | * the surround spaces. |
1721 | */ |
1713 | */ |
1722 | for (j = 0; j < 9; j++) |
1714 | for (j = 0; j < 9; j++) |
1723 | { |
1715 | { |
1724 | object *new_ob; |
|
|
1725 | |
|
|
1726 | hx = nx + freearr_x[j]; |
1716 | hx = nx + freearr_x[j]; |
1727 | hy = ny + freearr_y[j]; |
1717 | hy = ny + freearr_y[j]; |
1728 | |
1718 | |
1729 | m = op->map; |
1719 | m = op->map; |
1730 | mflags = get_map_flags (m, &m, hx, hy, &hx, &hy); |
1720 | mflags = get_map_flags (m, &m, hx, hy, &hx, &hy); |
… | |
… | |
1806 | #if 0 |
1796 | #if 0 |
1807 | // this is bogus: it causes wrong places to be checked below |
1797 | // this is bogus: it causes wrong places to be checked below |
1808 | // (a wall 2 cells away will block the effect...) and |
1798 | // (a wall 2 cells away will block the effect...) and |
1809 | // doesn't work for SP_BULLET anyhow, so again tests the wrong |
1799 | // doesn't work for SP_BULLET anyhow, so again tests the wrong |
1810 | // space. |
1800 | // space. |
1811 | // should be fixed later, but correctness before featurs... |
1801 | // should be fixed later, but correctness before features... |
1812 | // (schmorp) |
1802 | // (schmorp) |
1813 | |
1803 | |
1814 | /* new offset calculation to make swarm element distribution |
1804 | /* new offset calculation to make swarm element distribution |
1815 | * more uniform |
1805 | * more uniform |
1816 | */ |
1806 | */ |
… | |
… | |
2106 | if (disease->stats.sp) |
2096 | if (disease->stats.sp) |
2107 | disease->stats.sp -= dam_mod; |
2097 | disease->stats.sp -= dam_mod; |
2108 | |
2098 | |
2109 | if (infect_object (walk, disease, 1)) |
2099 | if (infect_object (walk, disease, 1)) |
2110 | { |
2100 | { |
2111 | object *flash; /* visual effect for inflicting disease */ |
|
|
2112 | |
|
|
2113 | new_draw_info_format (NDI_UNIQUE, 0, op, "You inflict %s on %s!", &disease->name, &walk->name); |
2101 | new_draw_info_format (NDI_UNIQUE, 0, op, "You inflict %s on %s!", &disease->name, &walk->name); |
2114 | |
2102 | |
2115 | disease->destroy (); /* don't need this one anymore */ |
2103 | disease->destroy (); /* don't need this one anymore */ |
2116 | walk->map->insert (get_archetype (ARCH_DETECT_MAGIC), x, y, op); |
2104 | walk->map->insert (get_archetype (ARCH_DETECT_MAGIC), x, y, op); |
2117 | return 1; |
2105 | return 1; |