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Comparing deliantra/server/server/spell_util.C (file contents):
Revision 1.63 by root, Thu Nov 8 19:43:29 2007 UTC vs.
Revision 1.70 by root, Sun May 4 18:24:11 2008 UTC

… …
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
83 * is what it does. It goes through the spells looking for any
84 * obvious errors. This was most useful in debugging when re-doing
85 * all the spells to catch simple errors. To use it all the time
86 * will result in it spitting out messages that aren't really errors.
87 */
88void
89init_spells (void)
90{
91#ifdef SPELL_DEBUG
92 static int init_spells_done = 0;
93 int i;
94 archetype *at;
95
96 if (init_spells_done)
97 return;
98 LOG (llevDebug, "Checking spells...\n");
99
100 for_all_archetypes (at)
101 {
102 if (at->type == SPELL)
103 {
104 if (at->skill)
105 {
106 for (i = 1; i < NUM_SKILLS; i++)
107 if (!strcmp (skill_names[i], at->skill))
108 break;
109 if (i == NUM_SKILLS)
110 {
111 LOG (llevError, "Spell %s has improper associated skill %s\n", at->name, at->skill);
112 }
113 }
114 /* other_arch is already checked for in the loader */
115 }
116 }
117
118 i = 0;
119 while (spell_mapping[i])
120 {
121 if (!archetype::find (spell_mapping[i]))
122 {
123 LOG (llevError, "Unable to find spell mapping %s (%i)\n", spell_mapping[i], i);
124 }
125 i++;
126 }
127 LOG (llevDebug, "Checking spells completed.\n");
128#endif
129}
130
131/* Dumps all the spells - now also dumps skill associated with the spell.
132 * not sure what this would be used for, as the data seems pretty
133 * minimal, but easy enough to keep around.
134 */
135void
136dump_spells ()
137{
138 for_all_archetypes (at)
139 if (at->type == SPELL)
140 fprintf (stderr, "%s:%s:%s:%s:%d\n", &at->object::name,
141 &at->archname, at->other_arch ? &at->other_arch->archname : "<nil>", &at->skill, at->level);
142}
143
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 */
147void 85void
148spell_effect (object *spob, int x, int y, maptile *map, object *originator) 86spell_effect (object *spob, int x, int y, maptile *map, object *originator)
… …
162 * Returns modified level. 100 * Returns modified level.
163 */ 101 */
164int 102int
165min_casting_level (object *caster, object *spell) 103min_casting_level (object *caster, object *spell)
166{ 104{
167 int new_level;
168
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
… …
185int 121int
186caster_level (object *caster, object *spell) 122caster_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)
128 {
129 object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
130 int sk_level = skill ? skill->level : 1;
131
132 level = min (level, sk_level + level / 10 + 1);
133 }
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. */
200 if (caster->type == ROD && caster->env && caster->env->type == PLAYER)
201 {
202 object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM);
203 int sk_level = skill ? skill->level : 1;
204
205 level = MIN (level, sk_level + level / 10 + 1);
206 }
207
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;
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
… …
503 /* 438 /*
504 * Combine similar spell effects into one spell effect. Needed for 439 * Combine similar spell effects into one spell effect. Needed for
505 * performance reasons with meteor swarm and the like, but also for 440 * performance reasons with meteor swarm and the like, but also for
506 * playability reasons. 441 * playability reasons.
507 */ 442 */
508 if (tmp->arch == op->arch 443 if (tmp->arch == op->arch /* no harm if not comparing by name here */
509 && tmp->type == op->type 444 && tmp->type == op->type
510 && tmp->subtype == op->subtype 445 && tmp->subtype == op->subtype
511 && tmp->owner == op->owner 446 && tmp->owner == op->owner
512 && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) 447 && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp)))
513 { 448 {
… …
757 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); 692 create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0);
758 693
759 insert_ob_in_map (head, op->map, op, 0); 694 insert_ob_in_map (head, op->map, op, 0);
760 695
761 /* thought it'd be cool to insert a burnout, too. */ 696 /* 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); 697 op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op);
763 } 698 }
764} 699}
765 700
766/* peterm: function which summons hostile monsters and 701/* peterm: function which summons hostile monsters and
767 * places them in nearby squares. 702 * places them in nearby squares.
… …
1069 { 1004 {
1070 skill = find_skill_by_name (op, spell_ob->skill); 1005 skill = find_skill_by_name (op, spell_ob->skill);
1071 1006
1072 if (!skill) 1007 if (!skill)
1073 { 1008 {
1074 op->failmsg (format ("You need the skill %s to cast %s!", &spell_ob->skill, &spell_ob->name)); 1009 op->failmsg (format ("You need the skill %s to cast %s! "
1010 "H<You either need to learn the skill via a skill scroll "
1011 "or you need to wear a talisman or holy symbol.>",
1012 &spell_ob->skill, &spell_ob->name));
1075 return 0; 1013 return 0;
1076 } 1014 }
1077 1015
1016 int casting_level = min_casting_level (op, spell_ob);
1017
1078 if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) 1018 if (casting_level > cast_level && !QUERY_FLAG (op, FLAG_WIZ))
1079 { 1019 {
1080 op->failmsg ("You lack enough skill to cast that spell!"); 1020 op->failmsg (format ("You lack enough skill to cast that spell! "
1021 "H<Your cast level is %d, but level %d is required. Maybe you are repelled?>",
1022 cast_level, casting_level));
1081 return 0; 1023 return 0;
1082 } 1024 }
1083 } 1025 }
1084 1026
1085 /* If the caster is the wiz, they don't ever fail, and don't have 1027 /* If the caster is the wiz, they don't ever fail, and don't have

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