1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify |
9 | * 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 |
10 | * the Free Software Foundation, either version 3 of the License, or |
10 | * the Free Software Foundation, either version 3 of the License, or |
11 | * (at your option) any later version. |
11 | * (at your 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, |
… | |
… | |
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 GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 | * |
20 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
22 | */ |
23 | |
23 | |
24 | #include <global.h> |
24 | #include <global.h> |
25 | #include <spells.h> |
25 | #include <spells.h> |
26 | #include <object.h> |
26 | #include <object.h> |
… | |
… | |
77 | dest->skill = spob->skill; |
77 | dest->skill = spob->skill; |
78 | else |
78 | else |
79 | dest->skill = caster->skill; |
79 | dest->skill = caster->skill; |
80 | } |
80 | } |
81 | |
81 | |
82 | /* init_spells: This should really be called check_spells, as that |
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83 | * is what it does. It goes through the spells looking for any |
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84 | * obvious errors. This was most useful in debugging when re-doing |
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85 | * all the spells to catch simple errors. To use it all the time |
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86 | * will result in it spitting out messages that aren't really errors. |
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87 | */ |
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88 | void |
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89 | init_spells (void) |
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90 | { |
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91 | #ifdef SPELL_DEBUG |
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92 | static int init_spells_done = 0; |
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93 | int i; |
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94 | archetype *at; |
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95 | |
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96 | if (init_spells_done) |
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97 | return; |
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98 | LOG (llevDebug, "Checking spells...\n"); |
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99 | |
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100 | for_all_archetypes (at) |
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101 | { |
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102 | if (at->type == SPELL) |
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103 | { |
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104 | if (at->skill) |
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105 | { |
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106 | for (i = 1; i < NUM_SKILLS; i++) |
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107 | if (!strcmp (skill_names[i], at->skill)) |
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108 | break; |
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109 | if (i == NUM_SKILLS) |
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110 | { |
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111 | LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->skill); |
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112 | } |
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113 | } |
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114 | /* other_arch is already checked for in the loader */ |
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115 | } |
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116 | } |
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117 | |
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118 | i = 0; |
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119 | while (spell_mapping[i]) |
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120 | { |
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121 | if (!archetype::find (spell_mapping[i])) |
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122 | { |
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123 | LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i); |
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124 | } |
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125 | i++; |
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126 | } |
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127 | LOG (llevDebug, "Checking spells completed.\n"); |
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128 | #endif |
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129 | } |
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130 | |
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131 | /* Dumps all the spells - now also dumps skill associated with the spell. |
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132 | * not sure what this would be used for, as the data seems pretty |
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133 | * minimal, but easy enough to keep around. |
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134 | */ |
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135 | void |
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136 | dump_spells () |
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137 | { |
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138 | for_all_archetypes (at) |
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139 | if (at->type == SPELL) |
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140 | fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->object::name, |
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141 | &at->archname, at->other_arch ? &at->other_arch->archname : "<nil>", &at->skill, at->level); |
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142 | } |
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143 | |
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144 | /* pretty basic function - basically just takes |
82 | /* pretty basic function - basically just takes |
145 | * an object, sets the x,y, and calls insert_ob_in_map |
83 | * an object, sets the x,y, and calls insert_ob_in_map |
146 | */ |
84 | */ |
147 | void |
85 | void |
148 | spell_effect (object *spob, int x, int y, maptile *map, object *originator) |
86 | spell_effect (object *spob, int x, int y, maptile *map, object *originator) |
… | |
… | |
162 | * Returns modified level. |
100 | * Returns modified level. |
163 | */ |
101 | */ |
164 | int |
102 | int |
165 | min_casting_level (object *caster, object *spell) |
103 | min_casting_level (object *caster, object *spell) |
166 | { |
104 | { |
167 | int new_level; |
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168 | |
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169 | if (caster->path_denied & spell->path_attuned) |
105 | if (caster->path_denied & spell->path_attuned) |
170 | return 1; |
106 | return 1; |
171 | |
107 | |
172 | new_level = spell->level |
108 | int new_level = spell->level |
173 | + (caster->path_repelled & spell->path_attuned ? +2 : 0) |
109 | + (caster->path_repelled & spell->path_attuned ? +8 : 0) |
174 | + (caster->path_attuned & spell->path_attuned ? -2 : 0); |
110 | + (caster->path_attuned & spell->path_attuned ? -8 : 0); |
175 | |
111 | |
176 | return max (1, new_level); |
112 | return max (1, new_level); |
177 | } |
113 | } |
178 | |
114 | |
179 | /* This function returns the effective level the spell |
115 | /* This function returns the effective level the spell |
… | |
… | |
185 | int |
121 | int |
186 | caster_level (object *caster, object *spell) |
122 | caster_level (object *caster, object *spell) |
187 | { |
123 | { |
188 | int level = caster->level; |
124 | int level = caster->level; |
189 | |
125 | |
190 | /* If this is a player, try to find the matching skill */ |
126 | /* if a rod is fired by a player, take the use_magic_item skill in consideration. */ |
191 | if (caster->type == PLAYER && spell->skill) |
127 | if (caster->type == ROD && caster->env && caster->env->type == PLAYER) |
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128 | { |
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129 | object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM); |
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130 | int sk_level = skill ? skill->level : 1; |
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131 | |
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132 | level = min (level, sk_level + level / 10 + 1); |
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133 | } |
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134 | else if (caster->type == PLAYER && spell->skill) /* If this is a player, try to find the matching skill */ |
192 | for (int i = 0; i < NUM_SKILLS; i++) |
135 | for (int i = 0; i < NUM_SKILLS; i++) |
193 | if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill) |
136 | if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill) |
194 | { |
137 | { |
195 | level = caster->contr->last_skill_ob[i]->level; |
138 | level = caster->contr->last_skill_ob[i]->level; |
196 | break; |
139 | break; |
197 | } |
140 | } |
198 | |
141 | |
199 | /* if a rod is fired by a player, take the use_magic_item skill in consideration. */ |
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200 | if (caster->type == ROD && caster->env && caster->env->type == PLAYER) |
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201 | { |
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202 | object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM); |
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203 | int sk_level = skill ? skill->level : 1; |
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204 | |
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205 | level = MIN (level, sk_level + level / 10 + 1); |
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206 | } |
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207 | |
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208 | /* Got valid caster level. Now adjust for attunement */ |
142 | /* Got valid caster level. Now adjust for attunement */ |
209 | level += caster->path_repelled & spell->path_attuned ? -2 : 0; |
143 | level += caster->path_repelled & spell->path_attuned ? -8 : 0; |
210 | level += caster->path_attuned & spell->path_attuned ? +2 : 0; |
144 | level += caster->path_attuned & spell->path_attuned ? +8 : 0; |
211 | |
145 | |
212 | /* Always make this at least 1. If this is zero, we get divide by zero |
146 | /* Always make this at least 1. If this is zero, we get divide by zero |
213 | * errors in various places. |
147 | * errors in various places. |
214 | */ |
148 | */ |
215 | return max (level, 1); |
149 | return max (level, 1); |
… | |
… | |
259 | else |
193 | else |
260 | { |
194 | { |
261 | sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); |
195 | sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); |
262 | if (spell->stats.sp && !sp) |
196 | if (spell->stats.sp && !sp) |
263 | sp = 1; |
197 | sp = 1; |
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198 | |
264 | grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); |
199 | grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); |
265 | if (spell->stats.grace && !grace) |
200 | if (spell->stats.grace && !grace) |
266 | grace = 1; |
201 | grace = 1; |
267 | } |
202 | } |
268 | |
203 | |
… | |
… | |
326 | */ |
261 | */ |
327 | object * |
262 | object * |
328 | check_spell_known (object *op, const char *name) |
263 | check_spell_known (object *op, const char *name) |
329 | { |
264 | { |
330 | object *spop; |
265 | object *spop; |
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266 | shstr_cmp name_ (name); |
331 | |
267 | |
332 | for (spop = op->inv; spop; spop = spop->below) |
268 | for (spop = op->inv; spop; spop = spop->below) |
333 | if (spop->type == SPELL && !strcmp (spop->name, name)) |
269 | if (spop->type == SPELL && spop->name == name) |
334 | return spop; |
270 | return spop; |
335 | |
271 | |
336 | return NULL; |
272 | return 0; |
337 | } |
273 | } |
338 | |
274 | |
339 | |
275 | |
340 | /* |
276 | /* |
341 | * Look at object 'op' and see if they know the spell |
277 | * Look at object 'op' and see if they know the spell |
… | |
… | |
458 | { |
394 | { |
459 | if (!xy_normalise (m, x, y)) |
395 | if (!xy_normalise (m, x, y)) |
460 | return 0; |
396 | return 0; |
461 | |
397 | |
462 | mapspace &ms = m->at (x, y); |
398 | mapspace &ms = m->at (x, y); |
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399 | ms.update (); |
463 | |
400 | |
464 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
401 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
465 | return 0; |
402 | return 0; |
466 | |
403 | |
467 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
404 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
… | |
… | |
503 | /* |
440 | /* |
504 | * Combine similar spell effects into one spell effect. Needed for |
441 | * Combine similar spell effects into one spell effect. Needed for |
505 | * performance reasons with meteor swarm and the like, but also for |
442 | * performance reasons with meteor swarm and the like, but also for |
506 | * playability reasons. |
443 | * playability reasons. |
507 | */ |
444 | */ |
508 | if (tmp->arch == op->arch |
445 | if (tmp->arch == op->arch /* no harm if not comparing by name here */ |
509 | && tmp->type == op->type |
446 | && tmp->type == op->type |
510 | && tmp->subtype == op->subtype |
447 | && tmp->subtype == op->subtype |
511 | && tmp->owner == op->owner |
448 | && tmp->owner == op->owner |
512 | && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) |
449 | && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) |
513 | { |
450 | { |
… | |
… | |
537 | * returns 0 on failure, 1 on success. |
474 | * returns 0 on failure, 1 on success. |
538 | */ |
475 | */ |
539 | int |
476 | int |
540 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
477 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
541 | { |
478 | { |
542 | object *tmp; |
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543 | int mflags; |
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544 | maptile *m; |
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545 | |
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546 | if (spell->other_arch == NULL) |
479 | if (!spell->other_arch) |
547 | return 0; |
480 | return 0; |
548 | |
481 | |
549 | m = op->map; |
482 | object *tmp = spell->other_arch->instance (); |
550 | mflags = get_map_flags (m, &m, x, y, &x, &y); |
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551 | if (mflags & P_OUT_OF_MAP) |
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552 | { |
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553 | return 0; |
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554 | } |
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555 | |
483 | |
556 | tmp = arch_to_object (spell->other_arch); |
484 | if (!tmp) |
557 | |
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558 | if (tmp == NULL) |
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559 | return 0; |
485 | return 0; |
560 | |
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561 | if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y))) |
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562 | { |
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563 | new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n"); |
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564 | tmp->destroy (); |
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565 | return 0; |
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566 | } |
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567 | |
486 | |
568 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
487 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
569 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
488 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
570 | /* code in time.c uses food for some things, duration for others */ |
489 | /* code in time.c uses food for some things, duration for others */ |
571 | tmp->stats.food = tmp->duration; |
490 | tmp->stats.food = tmp->duration; |
572 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
491 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
573 | tmp->attacktype = spell->attacktype; |
492 | tmp->attacktype = spell->attacktype; |
574 | tmp->x = x; |
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575 | tmp->y = y; |
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576 | tmp->direction = dir; |
493 | tmp->direction = dir; |
577 | if (op->owner != NULL) |
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578 | tmp->set_owner (op); |
494 | tmp->set_owner (op); |
579 | else |
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580 | tmp->set_owner (op); |
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581 | tmp->level = caster_level (caster, spell); |
495 | tmp->level = caster_level (caster, spell); |
582 | set_spell_skill (op, caster, spell, tmp); |
496 | set_spell_skill (op, caster, spell, tmp); |
583 | |
497 | |
584 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
498 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
585 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
499 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
586 | { |
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587 | if (!tailor_god_spell (tmp, op)) |
500 | if (!tailor_god_spell (tmp, op)) |
588 | return 0; |
501 | return 0; |
589 | } |
502 | |
590 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
503 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
591 | SET_ANIMATION (tmp, dir); |
504 | SET_ANIMATION (tmp, dir); |
592 | |
505 | |
593 | if ((tmp = insert_ob_in_map (tmp, m, op, 0))) |
506 | if ((tmp = op->map->insert (tmp, x, y, op))) |
594 | move_spell_effect (tmp); |
507 | move_spell_effect (tmp); |
595 | |
508 | |
596 | return 1; |
509 | return 1; |
597 | } |
510 | } |
598 | |
511 | |
… | |
… | |
653 | if (!tmp) |
566 | if (!tmp) |
654 | tmp = op->ms ().player (); |
567 | tmp = op->ms ().player (); |
655 | |
568 | |
656 | return tmp; |
569 | return tmp; |
657 | } |
570 | } |
658 | |
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659 | |
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660 | |
571 | |
661 | /* raytrace: |
572 | /* raytrace: |
662 | * spell_find_dir(map, x, y, exclude) will search first the center square |
573 | * spell_find_dir(map, x, y, exclude) will search first the center square |
663 | * then some close squares in the given map at the given coordinates for |
574 | * then some close squares in the given map at the given coordinates for |
664 | * live objects. |
575 | * live objects. |
… | |
… | |
667 | * monsters/generators only. If not, the spell will hunt players only. |
578 | * monsters/generators only. If not, the spell will hunt players only. |
668 | * It returns the direction toward the first/closest live object if it finds |
579 | * It returns the direction toward the first/closest live object if it finds |
669 | * any, otherwise -1. |
580 | * any, otherwise -1. |
670 | * note that exclude can be NULL, in which case all bets are off. |
581 | * note that exclude can be NULL, in which case all bets are off. |
671 | */ |
582 | */ |
672 | |
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673 | int |
583 | int |
674 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
584 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
675 | { |
585 | { |
676 | int i, max = SIZEOFFREE; |
586 | int i, max = SIZEOFFREE; |
677 | sint16 nx, ny; |
587 | sint16 nx, ny; |
… | |
… | |
757 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
667 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
758 | |
668 | |
759 | insert_ob_in_map (head, op->map, op, 0); |
669 | insert_ob_in_map (head, op->map, op, 0); |
760 | |
670 | |
761 | /* thought it'd be cool to insert a burnout, too. */ |
671 | /* thought it'd be cool to insert a burnout, too. */ |
762 | op->map->insert (get_archetype ("burnout"), op->x + freearr_x[dir], op->y + freearr_y[dir], op); |
672 | op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op); |
763 | } |
673 | } |
764 | } |
674 | } |
765 | |
675 | |
766 | /* peterm: function which summons hostile monsters and |
676 | /* peterm: function which summons hostile monsters and |
767 | * places them in nearby squares. |
677 | * places them in nearby squares. |
… | |
… | |
1069 | { |
979 | { |
1070 | skill = find_skill_by_name (op, spell_ob->skill); |
980 | skill = find_skill_by_name (op, spell_ob->skill); |
1071 | |
981 | |
1072 | if (!skill) |
982 | if (!skill) |
1073 | { |
983 | { |
1074 | op->failmsg (format ("You need the skill %s to cast %s!", &spell_ob->skill, &spell_ob->name)); |
984 | op->failmsg (format ("You need the skill %s to cast %s! " |
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985 | "H<You either need to learn the skill via a skill scroll " |
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986 | "or you need to wear a talisman or holy symbol.>", |
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987 | &spell_ob->skill, &spell_ob->name)); |
1075 | return 0; |
988 | return 0; |
1076 | } |
989 | } |
1077 | |
990 | |
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991 | int casting_level = min_casting_level (op, spell_ob); |
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992 | |
1078 | if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) |
993 | if (casting_level > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) |
1079 | { |
994 | { |
1080 | op->failmsg ("You lack enough skill to cast that spell!"); |
995 | op->failmsg (format ("You lack enough skill to cast that spell! " |
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996 | "H<Your cast level is %d, but level %d is required. Maybe you are repelled?>", |
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997 | cast_level, casting_level)); |
1081 | return 0; |
998 | return 0; |
1082 | } |
999 | } |
1083 | } |
1000 | } |
1084 | |
1001 | |
1085 | /* If the caster is the wiz, they don't ever fail, and don't have |
1002 | /* If the caster is the wiz, they don't ever fail, and don't have |
… | |
… | |
1261 | case SP_SMITE: |
1178 | case SP_SMITE: |
1262 | success = cast_smite_spell (op, caster, dir, spell_ob); |
1179 | success = cast_smite_spell (op, caster, dir, spell_ob); |
1263 | break; |
1180 | break; |
1264 | |
1181 | |
1265 | case SP_MAGIC_MISSILE: |
1182 | case SP_MAGIC_MISSILE: |
1266 | success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); |
1183 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
1267 | break; |
1184 | break; |
1268 | |
1185 | |
1269 | case SP_SUMMON_GOLEM: |
1186 | case SP_SUMMON_GOLEM: |
1270 | success = summon_golem (op, caster, dir, spell_ob); |
1187 | success = summon_golem (op, caster, dir, spell_ob); |
1271 | break; |
1188 | break; |
… | |
… | |
1382 | { |
1299 | { |
1383 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
1300 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
1384 | success = 0; |
1301 | success = 0; |
1385 | } |
1302 | } |
1386 | else |
1303 | else |
1387 | success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); |
1304 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
1388 | break; |
1305 | break; |
1389 | |
1306 | |
1390 | case SP_SWARM: |
1307 | case SP_SWARM: |
1391 | success = fire_swarm (op, caster, spell_ob, dir); |
1308 | success = fire_swarm (op, caster, spell_ob, dir); |
1392 | break; |
1309 | break; |