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 (©) 2005,2006,2007,2008,2009 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 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 |
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20 | * <http://www.gnu.org/licenses/>. |
20 | * |
21 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
23 | */ |
23 | |
24 | |
24 | #include <global.h> |
25 | #include <global.h> |
25 | #include <spells.h> |
26 | #include <spells.h> |
26 | #include <object.h> |
27 | #include <object.h> |
… | |
… | |
33 | /* This returns a random spell from 'ob'. If skill is set, then |
34 | /* This returns a random spell from 'ob'. If skill is set, then |
34 | * the spell must be of this skill, it can be NULL in which case all |
35 | * the spell must be of this skill, it can be NULL in which case all |
35 | * matching spells are used. |
36 | * matching spells are used. |
36 | */ |
37 | */ |
37 | object * |
38 | object * |
38 | find_random_spell_in_ob (object *ob, const char *skill) |
39 | find_random_spell_in_ob (object *ob, shstr_cmp skill) |
39 | { |
40 | { |
40 | int k = 0, s; |
41 | int k = 0, s; |
41 | object *tmp; |
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42 | |
42 | |
43 | for (tmp = ob->inv; tmp; tmp = tmp->below) |
43 | for (object *tmp = ob->inv; tmp; tmp = tmp->below) |
44 | if (tmp->type == SPELL && (!skill || tmp->skill == skill)) |
44 | if (tmp->type == SPELL && (!skill || tmp->skill == skill)) |
45 | k++; |
45 | k++; |
46 | |
46 | |
47 | /* No spells, no need to progess further */ |
47 | /* No spells, no need to progess further */ |
48 | if (!k) |
48 | if (!k) |
49 | return NULL; |
49 | return NULL; |
50 | |
50 | |
51 | s = RANDOM () % k; |
51 | s = rndm (k); |
52 | |
52 | |
53 | for (tmp = ob->inv; tmp; tmp = tmp->below) |
53 | for (object *tmp = ob->inv; tmp; tmp = tmp->below) |
54 | if (tmp->type == SPELL && (!skill || tmp->skill == skill)) |
54 | if (tmp->type == SPELL && (!skill || tmp->skill == skill)) |
55 | { |
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|
56 | if (!s) |
55 | if (!s) |
57 | return tmp; |
56 | return tmp; |
58 | else |
57 | else |
59 | s--; |
58 | s--; |
60 | } |
59 | |
61 | /* Should never get here, but just in case */ |
60 | /* Should never get here, but just in case */ |
62 | return NULL; |
61 | return 0; |
63 | } |
62 | } |
64 | |
63 | |
65 | /* Relatively simple function that gets used a lot. |
64 | /* Relatively simple function that gets used a lot. |
66 | * Basically, it sets up the skill pointer for the spell being |
65 | * Basically, it sets up the skill pointer for the spell being |
67 | * cast. If op is really casting the spell, then the skill |
66 | * cast. If op is really casting the spell, then the skill |
… | |
… | |
77 | dest->skill = spob->skill; |
76 | dest->skill = spob->skill; |
78 | else |
77 | else |
79 | dest->skill = caster->skill; |
78 | dest->skill = caster->skill; |
80 | } |
79 | } |
81 | |
80 | |
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 |
81 | /* pretty basic function - basically just takes |
145 | * an object, sets the x,y, and calls insert_ob_in_map |
82 | * an object, sets the x,y, and calls insert_ob_in_map |
146 | */ |
83 | */ |
147 | void |
84 | void |
148 | spell_effect (object *spob, int x, int y, maptile *map, object *originator) |
85 | spell_effect (object *spob, int x, int y, maptile *map, object *originator) |
149 | { |
86 | { |
150 | if (spob->other_arch) |
87 | if (spob->other_arch) |
151 | map->insert (arch_to_object (spob->other_arch), x, y, originator); |
88 | map->insert (arch_to_object (spob->other_arch), x, y, originator); |
152 | } |
89 | } |
153 | |
90 | |
154 | /* |
91 | static int |
155 | * This function takes a caster and spell and presents the |
92 | attuned_bonus (object *caster, object *spell, int level) |
156 | * effective level the caster needs to be to cast the spell. |
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157 | * basically, it just adjusts the spell->level with attuned/repelled |
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158 | * spellpaths. Was called path_level_mod. |
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159 | * |
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160 | * caster is person casting the spell. |
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161 | * spell is the spell object. |
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162 | * Returns modified level. |
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163 | */ |
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164 | int |
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165 | min_casting_level (object *caster, object *spell) |
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166 | { |
93 | { |
167 | int new_level; |
94 | // compute the attuned/repelled bonus |
168 | |
95 | // attuned only increases up to 2 times the original level (i.e. bonus <= level) */ |
169 | if (caster->path_denied & spell->path_attuned) |
96 | // repell has no such quarrels |
170 | return 1; |
97 | return (caster->path_attuned & spell->path_attuned ? min (level, +ATTUNE_REPELL) : 0) |
171 | |
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172 | new_level = spell->level |
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173 | + (caster->path_repelled & spell->path_attuned ? +2 : 0) |
98 | + (caster->path_repelled & spell->path_attuned ? -ATTUNE_REPELL : 0); |
174 | + (caster->path_attuned & spell->path_attuned ? -2 : 0); |
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175 | |
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176 | return max (1, new_level); |
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177 | } |
99 | } |
178 | |
100 | |
179 | /* This function returns the effective level the spell |
101 | /* This function returns the effective level the spell |
180 | * is being cast at. |
102 | * is being cast at. |
181 | * Note that I changed the repelled/attuned bonus to 2 from 5. |
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182 | * This is because the new code compares casting_level against |
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183 | * min_caster_level, so the difference is effectively 4 |
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184 | */ |
103 | */ |
185 | int |
104 | int |
186 | caster_level (object *caster, object *spell) |
105 | casting_level (object *caster, object *spell) |
187 | { |
106 | { |
188 | int level = caster->level; |
107 | int level = caster->level; |
189 | |
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190 | /* If this is a player, try to find the matching skill */ |
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191 | if (caster->type == PLAYER && spell->skill) |
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192 | for (int i = 0; i < NUM_SKILLS; i++) |
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193 | if (caster->contr->last_skill_ob[i] && caster->contr->last_skill_ob[i]->skill == spell->skill) |
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194 | { |
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195 | level = caster->contr->last_skill_ob[i]->level; |
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196 | break; |
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197 | } |
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198 | |
108 | |
199 | /* if a rod is fired by a player, take the use_magic_item skill in consideration. */ |
109 | /* 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) |
110 | if (caster->type == ROD && caster->env && caster->env->type == PLAYER) |
201 | { |
111 | { |
202 | object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM); |
112 | object *skill = find_skill_by_number (caster->env, SK_USE_MAGIC_ITEM); |
203 | int sk_level = skill ? skill->level : 1; |
113 | int sk_level = skill ? skill->level : 1; |
204 | |
114 | |
205 | level = MIN (level, sk_level + level / 10 + 1); |
115 | level = min (level, sk_level + level / 10 + 1); |
206 | } |
116 | } |
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117 | else if (caster->type == PLAYER) /* If this is a player, try to find the matching skill */ |
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118 | if (object *skill = caster->contr->find_skill (spell->skill)) |
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119 | level = skill->level; |
207 | |
120 | |
208 | /* Got valid caster level. Now adjust for attunement */ |
121 | int bonus = attuned_bonus (caster, spell, level); |
209 | level += caster->path_repelled & spell->path_attuned ? -2 : 0; |
122 | |
210 | level += caster->path_attuned & spell->path_attuned ? +2 : 0; |
123 | level += bonus; |
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124 | |
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125 | // now scale the effective level from the startinglevel..100 range to 1..100 |
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126 | if (level < 100) |
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127 | level = lerp (level, (int)spell->level, 100, 1, 100); |
211 | |
128 | |
212 | /* Always make this at least 1. If this is zero, we get divide by zero |
129 | /* Always make this at least 1. If this is zero, we get divide by zero |
213 | * errors in various places. |
130 | * errors in various places. |
214 | */ |
131 | */ |
215 | return max (level, 1); |
132 | return clamp (level, 1, settings.max_level); |
216 | } |
133 | } |
217 | |
134 | |
218 | /* The following function scales the spellpoint cost of |
135 | /* The following function scales the spellpoint cost of |
219 | * a spell by it's increased effectiveness. Some of the |
136 | * a spell by it's increased effectiveness. Some of the |
220 | * lower level spells become incredibly vicious at high |
137 | * lower level spells become incredibly vicious at high |
… | |
… | |
224 | * caster is what is casting the spell, can be op. |
141 | * caster is what is casting the spell, can be op. |
225 | * spell is the spell object. |
142 | * spell is the spell object. |
226 | * Note that it is now possible for a spell to cost both grace and |
143 | * Note that it is now possible for a spell to cost both grace and |
227 | * mana. In that case, we return which ever value is higher. |
144 | * mana. In that case, we return which ever value is higher. |
228 | */ |
145 | */ |
229 | |
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230 | sint16 |
146 | sint16 |
231 | SP_level_spellpoint_cost (object *caster, object *spell, int flags) |
147 | SP_level_spellpoint_cost (object *caster, object *spell, int flags) |
232 | { |
148 | { |
233 | int sp, grace, level = caster_level (caster, spell); |
149 | int sp, grace, level = casting_level (caster, spell); |
234 | |
150 | |
235 | if (settings.spellpoint_level_depend == TRUE) |
151 | if (settings.spellpoint_level_depend == TRUE) |
236 | { |
152 | { |
237 | if (spell->stats.sp && spell->stats.maxsp) |
153 | if (spell->stats.sp && spell->stats.maxsp) |
238 | { |
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239 | sp = (int) (spell->stats.sp * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxsp))); |
154 | sp = spell->stats.sp * (1.f + max (0.f, float (level - spell->level) / spell->stats.maxsp)); |
240 | } |
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241 | else |
155 | else |
242 | sp = spell->stats.sp; |
156 | sp = spell->stats.sp; |
243 | |
157 | |
244 | sp *= (int) PATH_SP_MULT (caster, spell); |
158 | sp *= (int) PATH_SP_MULT (caster, spell); |
245 | if (!sp && spell->stats.sp) |
159 | if (!sp && spell->stats.sp) |
246 | sp = 1; |
160 | sp = 1; |
247 | |
161 | |
248 | if (spell->stats.grace && spell->stats.maxgrace) |
162 | if (spell->stats.grace && spell->stats.maxgrace) |
249 | { |
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250 | grace = (int) (spell->stats.grace * (1.0 + MAX (0, (float) (level - spell->level) / (float) spell->stats.maxgrace))); |
163 | grace = spell->stats.grace * (1.0 + max (0, float (level - spell->level) / spell->stats.maxgrace)); |
251 | } |
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252 | else |
164 | else |
253 | grace = spell->stats.grace; |
165 | grace = spell->stats.grace; |
254 | |
166 | |
255 | grace *= (int) PATH_SP_MULT (caster, spell); |
167 | grace *= PATH_SP_MULT (caster, spell); |
256 | if (spell->stats.grace && !grace) |
168 | if (spell->stats.grace && !grace) |
257 | grace = 1; |
169 | grace = 1; |
258 | } |
170 | } |
259 | else |
171 | else |
260 | { |
172 | { |
261 | sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); |
173 | sp = (int) (spell->stats.sp * PATH_SP_MULT (caster, spell)); |
262 | if (spell->stats.sp && !sp) |
174 | if (spell->stats.sp && !sp) |
263 | sp = 1; |
175 | sp = 1; |
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176 | |
264 | grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); |
177 | grace = (int) (spell->stats.grace * PATH_SP_MULT (caster, spell)); |
265 | if (spell->stats.grace && !grace) |
178 | if (spell->stats.grace && !grace) |
266 | grace = 1; |
179 | grace = 1; |
267 | } |
180 | } |
268 | |
181 | |
269 | if (flags == SPELL_HIGHEST) |
182 | if (flags == SPELL_HIGHEST) |
270 | return MAX (sp, grace); |
183 | return max (sp, grace); |
271 | else if (flags == SPELL_GRACE) |
184 | else if (flags == SPELL_GRACE) |
272 | return grace; |
185 | return grace; |
273 | else if (flags == SPELL_MANA) |
186 | else if (flags == SPELL_MANA) |
274 | return sp; |
187 | return sp; |
275 | else |
188 | else |
… | |
… | |
277 | LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags); |
190 | LOG (llevError, "SP_level_spellpoint_cost: Unknown flags passed: %d\n", flags); |
278 | return 0; |
191 | return 0; |
279 | } |
192 | } |
280 | } |
193 | } |
281 | |
194 | |
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195 | /* |
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196 | * Return the effective casting level of the spell. |
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197 | * To make spells independent of their starting level, this function |
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198 | * scales the range spellstartlevel .. 100 into the range 1..100 |
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199 | */ |
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200 | static int |
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201 | SP_casting_level (object *caster, object *spell) |
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202 | { |
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203 | return casting_level (caster, spell); |
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204 | } |
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205 | |
282 | /* SP_level_dam_adjust: Returns adjusted damage based on the caster. |
206 | /* SP_level_dam_adjust: Returns adjusted damage based on the caster. |
283 | * spob is the spell we are adjusting. |
207 | * spob is the spell we are adjusting. |
284 | */ |
208 | */ |
285 | int |
209 | int |
286 | SP_level_dam_adjust (object *caster, object *spob) |
210 | SP_level_dam_adjust (object *caster, object *spob) |
287 | { |
211 | { |
288 | if (!spob->dam_modifier) |
212 | if (!spob->dam_modifier) |
289 | return 0; |
213 | return 0; |
290 | |
214 | |
291 | int level = caster_level (caster, spob); |
|
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292 | return max (0, level - min_casting_level (caster, spob)) / spob->dam_modifier; |
215 | return SP_casting_level (caster, spob) / spob->dam_modifier; |
293 | } |
216 | } |
294 | |
217 | |
295 | /* Adjust the strength of the spell based on level. |
218 | /* Adjust the strength of the spell based on level. |
296 | * This is basically the same as SP_level_dam_adjust above, |
219 | * This is basically the same as SP_level_dam_adjust above, |
297 | * but instead looks at the level_modifier value. |
220 | * but instead looks at the level_modifier value. |
… | |
… | |
300 | SP_level_duration_adjust (object *caster, object *spob) |
223 | SP_level_duration_adjust (object *caster, object *spob) |
301 | { |
224 | { |
302 | if (!spob->duration_modifier) |
225 | if (!spob->duration_modifier) |
303 | return 0; |
226 | return 0; |
304 | |
227 | |
305 | int level = caster_level (caster, spob); |
|
|
306 | return max (0, level - min_casting_level (caster, spob)) / spob->duration_modifier; |
228 | return SP_casting_level (caster, spob) / spob->duration_modifier; |
307 | } |
229 | } |
308 | |
230 | |
309 | /* Adjust the strength of the spell based on level. |
231 | /* Adjust the strength of the spell based on level. |
310 | * This is basically the same as SP_level_dam_adjust above, |
232 | * This is basically the same as SP_level_dam_adjust above, |
311 | * but instead looks at the level_modifier value. |
233 | * but instead looks at the level_modifier value. |
… | |
… | |
314 | SP_level_range_adjust (object *caster, object *spob) |
236 | SP_level_range_adjust (object *caster, object *spob) |
315 | { |
237 | { |
316 | if (!spob->range_modifier) |
238 | if (!spob->range_modifier) |
317 | return 0; |
239 | return 0; |
318 | |
240 | |
319 | int level = caster_level (caster, spob); |
|
|
320 | return (level - min_casting_level (caster, spob)) / spob->range_modifier; |
241 | return SP_casting_level (caster, spob) / spob->range_modifier; |
321 | } |
242 | } |
322 | |
243 | |
323 | /* Checks to see if player knows the spell. If the name is the same |
244 | /* Checks to see if player knows the spell. If the name is the same |
324 | * as an existing spell, we presume they know it. |
245 | * as an existing spell, we presume they know it. |
325 | * returns 1 if they know the spell, 0 if they don't. |
246 | * returns 1 if they know the spell, 0 if they don't. |
326 | */ |
247 | */ |
327 | object * |
248 | object * |
328 | check_spell_known (object *op, const char *name) |
249 | check_spell_known (object *op, shstr_cmp name) |
329 | { |
250 | { |
330 | object *spop; |
251 | object *spop; |
331 | |
252 | |
332 | for (spop = op->inv; spop; spop = spop->below) |
253 | for (spop = op->inv; spop; spop = spop->below) |
333 | if (spop->type == SPELL && !strcmp (spop->name, name)) |
254 | if (spop->type == SPELL && spop->name == name) |
334 | return spop; |
255 | return spop; |
335 | |
256 | |
336 | return NULL; |
257 | return 0; |
337 | } |
258 | } |
338 | |
|
|
339 | |
259 | |
340 | /* |
260 | /* |
341 | * Look at object 'op' and see if they know the spell |
261 | * Look at object 'op' and see if they know the spell |
342 | * spname. This is pretty close to check_spell_known |
262 | * spname. This is pretty close to check_spell_known |
343 | * above, but it uses a looser matching mechanism. |
263 | * above, but it uses a looser matching mechanism. |
344 | * returns the matching spell object, or NULL. |
264 | * returns the matching spell object, or NULL. |
345 | * If we match multiple spells but don't get an |
265 | * If we match multiple spells but don't get an |
346 | * exact match, we also return NULL. |
266 | * exact match, we also return NULL. |
347 | */ |
267 | */ |
348 | |
|
|
349 | object * |
268 | object * |
350 | lookup_spell_by_name (object *op, const char *spname) |
269 | lookup_spell_by_name (object *op, const char *spname) |
351 | { |
270 | { |
352 | object *spob1 = NULL, *spob2 = NULL, *spob; |
271 | object *spob1 = 0, *spob2 = 0; |
353 | int nummatch = 0; |
272 | int nummatch = 0; |
354 | |
273 | |
355 | if (spname == NULL) |
274 | if (!spname) |
356 | return NULL; |
275 | return 0; |
357 | |
276 | |
358 | /* Try to find the spell. We store the results in spob1 |
277 | /* Try to find the spell. We store the results in spob1 |
359 | * and spob2 - spob1 is only taking the length of |
278 | * and spob2 - spob1 is only taking the length of |
360 | * the past spname, spob2 uses the length of the spell name. |
279 | * the past spname, spob2 uses the length of the spell name. |
361 | */ |
280 | */ |
362 | for (spob = op->inv; spob; spob = spob->below) |
281 | for (object *spob = op->inv; spob; spob = spob->below) |
363 | { |
282 | { |
364 | if (spob->type == SPELL) |
283 | if (spob->type == SPELL) |
365 | { |
284 | { |
|
|
285 | // TODO: WTF? |
366 | if (!strncmp (spob->name, spname, strlen (spname))) |
286 | if (!strncmp (spob->name, spname, strlen (spname))) |
367 | { |
287 | { |
368 | nummatch++; |
288 | nummatch++; |
369 | spob1 = spob; |
289 | spob1 = spob; |
370 | } |
290 | } |
… | |
… | |
375 | * fall into this category). It shouldn't be hard to |
295 | * fall into this category). It shouldn't be hard to |
376 | * make sure spell names don't overlap in that fashion. |
296 | * make sure spell names don't overlap in that fashion. |
377 | */ |
297 | */ |
378 | if (spob2) |
298 | if (spob2) |
379 | LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name); |
299 | LOG (llevError, "Found multiple spells with overlapping base names: %s, %s\n", &spob2->name, &spob->name); |
|
|
300 | |
380 | spob2 = spob; |
301 | spob2 = spob; |
381 | } |
302 | } |
382 | } |
303 | } |
383 | } |
304 | } |
384 | /* if we have best match, return it. Otherwise, if we have one match |
305 | /* if we have best match, return it. Otherwise, if we have one match |
385 | * on the loser match, return that, otehrwise null |
306 | * on the loser match, return that, otehrwise null |
386 | */ |
307 | */ |
387 | if (spob2) |
308 | if (spob2) |
388 | return spob2; |
309 | return spob2; |
|
|
310 | |
389 | if (spob1 && nummatch == 1) |
311 | if (spob1 && nummatch == 1) |
390 | return spob1; |
312 | return spob1; |
|
|
313 | |
391 | return NULL; |
314 | return NULL; |
392 | } |
315 | } |
393 | |
316 | |
394 | /* reflwall - decides weither the (spell-)object sp_op will |
317 | /* reflwall - decides weither the (spell-)object sp_op will |
395 | * be reflected from the given mapsquare. Returns 1 if true. |
318 | * be reflected from the given mapsquare. Returns 1 if true. |
… | |
… | |
399 | * eg, updated for tiled maps. |
322 | * eg, updated for tiled maps. |
400 | */ |
323 | */ |
401 | int |
324 | int |
402 | reflwall (maptile *m, int x, int y, object *sp_op) |
325 | reflwall (maptile *m, int x, int y, object *sp_op) |
403 | { |
326 | { |
404 | object *op; |
|
|
405 | |
|
|
406 | if (OUT_OF_REAL_MAP (m, x, y)) |
327 | if (OUT_OF_REAL_MAP (m, x, y)) |
407 | return 0; |
328 | return 0; |
|
|
329 | |
408 | for (op = GET_MAP_OB (m, x, y); op != NULL; op = op->above) |
330 | for (object *op = GET_MAP_OB (m, x, y); op; op = op->above) |
409 | if (QUERY_FLAG (op, FLAG_REFL_SPELL) |
331 | if (QUERY_FLAG (op, FLAG_REFL_SPELL) |
410 | && (!QUERY_FLAG (op, FLAG_ALIVE) |
332 | && (!QUERY_FLAG (op, FLAG_ALIVE) |
411 | || (rndm (0, 99)) < 90 - (sp_op->level / 10))) |
333 | || (rndm (0, 99)) < 90 - (sp_op->level / 10))) |
412 | return 1; |
334 | return 1; |
413 | |
335 | |
… | |
… | |
443 | dir ? 0 : INS_BELOW_ORIGINATOR); |
365 | dir ? 0 : INS_BELOW_ORIGINATOR); |
444 | |
366 | |
445 | return dir; |
367 | return dir; |
446 | } |
368 | } |
447 | |
369 | |
|
|
370 | static bool |
|
|
371 | mergable_owner (object *o1, object *o2) |
|
|
372 | { |
|
|
373 | if (o1 == o2) |
|
|
374 | return 1; |
|
|
375 | |
|
|
376 | if (!o1 || !o2) |
|
|
377 | return 0; |
|
|
378 | |
|
|
379 | if (o1->flag [FLAG_FRIENDLY] != o1->flag [FLAG_FRIENDLY]) |
|
|
380 | return 0; |
|
|
381 | |
|
|
382 | if (o1->is_player () || o2->is_player ()) |
|
|
383 | return 0; |
|
|
384 | |
|
|
385 | return 1; |
|
|
386 | } |
|
|
387 | |
448 | /* Returns true if it is ok to put spell *op on the space/may provided. |
388 | /* Returns true if it is ok to put spell *op on the space/may provided. |
449 | * immune_stop is basically the attacktype of the spell (why |
389 | * immune_stop is basically the attacktype of the spell (why |
450 | * passed as a different value, not sure of). If immune_stop |
390 | * passed as a different value, not sure of). If immune_stop |
451 | * has the AT_MAGIC bit set, and there is a counterwall |
391 | * has the AT_MAGIC bit set, and there is a counterwall |
452 | * on the space, the object doesn't get placed. if immune stop |
392 | * on the space, the object doesn't get placed. if immune stop |
453 | * does not have AT_MAGIC, then counterwalls do not effect the spell. |
393 | * does not have AT_MAGIC, then counterwalls do not effect the spell. |
454 | * |
|
|
455 | */ |
394 | */ |
456 | int |
395 | int |
457 | ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) |
396 | ok_to_put_more (maptile *m, sint16 x, sint16 y, object *op, int immune_stop) |
458 | { |
397 | { |
459 | if (!xy_normalise (m, x, y)) |
398 | if (!xy_normalise (m, x, y)) |
460 | return 0; |
399 | return 0; |
461 | |
400 | |
462 | mapspace &ms = m->at (x, y); |
401 | mapspace &ms = m->at (x, y); |
|
|
402 | ms.update (); |
463 | |
403 | |
464 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
404 | if (OB_TYPE_MOVE_BLOCK (op, ms.move_block)) |
465 | return 0; |
405 | return 0; |
|
|
406 | |
|
|
407 | int max_effects = 5; // max. number of similar spells per mapspace |
466 | |
408 | |
467 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
409 | for (object *tmp = ms.bot; tmp; tmp = tmp->above) |
468 | { |
410 | { |
469 | /* If there is a counterspell on the space, and this |
411 | /* If there is a counterspell on the space, and this |
470 | * object is using magic, don't progress. I believe we could |
412 | * object is using magic, don't progress. I believe we could |
… | |
… | |
489 | // (and those shouldn't go away from |
431 | // (and those shouldn't go away from |
490 | // sanctuary) see also: permanent lava |
432 | // sanctuary) see also: permanent lava |
491 | && (immune_stop & AT_MAGIC)) |
433 | && (immune_stop & AT_MAGIC)) |
492 | return 0; |
434 | return 0; |
493 | |
435 | |
494 | /* This is to prevent 'out of control' spells. Basically, this |
|
|
495 | * limits one spell effect per space per spell. This is definately |
|
|
496 | * needed for performance reasons, and just for playability I believe. |
|
|
497 | * there are no such things as multispaced spells right now, so |
|
|
498 | * we don't need to worry about the head. |
|
|
499 | */ |
|
|
500 | if ((tmp->stats.maxhp == op->stats.maxhp) && (tmp->type == op->type) && (tmp->subtype == op->subtype)) |
|
|
501 | return 0; |
|
|
502 | |
|
|
503 | /* |
|
|
504 | * Combine similar spell effects into one spell effect. Needed for |
|
|
505 | * performance reasons with meteor swarm and the like, but also for |
|
|
506 | * playability reasons. |
|
|
507 | */ |
|
|
508 | if (tmp->arch == op->arch |
|
|
509 | && tmp->type == op->type |
436 | if (tmp->type == op->type) |
510 | && tmp->subtype == op->subtype |
|
|
511 | && tmp->owner == op->owner |
|
|
512 | && ((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) |
|
|
513 | { |
437 | { |
514 | tmp->stats.dam = MAX (tmp->stats.dam, op->stats.dam); |
438 | if (tmp->subtype == op->subtype |
515 | tmp->range = MAX (tmp->range, op->range); |
439 | && tmp->arch == op->arch /* no harm if not comparing by name here */) |
516 | tmp->duration = MAX (tmp->duration, op->duration); |
440 | { |
|
|
441 | /* This is to prevent 'out of control' spells. Basically, this |
|
|
442 | * limits one spell effect per space per spell. This is definately |
|
|
443 | * needed for performance reasons, and just for playability I believe. |
|
|
444 | * there are no such things as multispaced spells right now, so |
|
|
445 | * we don't need to worry about the head. |
|
|
446 | */ |
|
|
447 | if (tmp->stats.maxhp == op->stats.maxhp) |
|
|
448 | return 0; |
|
|
449 | |
|
|
450 | /* |
|
|
451 | * Combine similar spell effects into one spell effect. Needed for |
|
|
452 | * performance reasons with meteor swarm and the like, but also for |
|
|
453 | * playability reasons. |
|
|
454 | */ |
|
|
455 | if (((tmp->subtype == SP_EXPLOSION) || (tmp->subtype == SP_CONE && tmp->stats.sp == op->stats.sp))) |
|
|
456 | if (mergable_owner (tmp, op)) |
|
|
457 | { |
|
|
458 | // if same owner, then combine, but reduce advantage of multiple spells |
|
|
459 | max_it (tmp->stats.dam, op->stats.dam); |
|
|
460 | max_it (tmp->range , op->range); |
|
|
461 | max_it (tmp->duration , op->duration); |
|
|
462 | return 0; |
|
|
463 | } |
|
|
464 | } |
|
|
465 | |
|
|
466 | // if there are too many spell effects on this space, |
|
|
467 | // then don't allow more of them, for performance reasons. |
|
|
468 | if (tmp->type == SPELL_EFFECT |
|
|
469 | && !--max_effects) |
517 | return 0; |
470 | return 0; |
518 | } |
471 | } |
519 | |
472 | |
520 | /* Perhaps we should also put checks in for no magic and unholy |
473 | /* Perhaps we should also put checks in for no magic and unholy |
521 | * ground to prevent it from moving along? |
474 | * ground to prevent it from moving along? |
522 | */ |
475 | */ |
… | |
… | |
537 | * returns 0 on failure, 1 on success. |
490 | * returns 0 on failure, 1 on success. |
538 | */ |
491 | */ |
539 | int |
492 | int |
540 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
493 | fire_arch_from_position (object *op, object *caster, sint16 x, sint16 y, int dir, object *spell) |
541 | { |
494 | { |
542 | object *tmp; |
|
|
543 | int mflags; |
|
|
544 | maptile *m; |
|
|
545 | |
|
|
546 | if (spell->other_arch == NULL) |
495 | if (!spell->other_arch) |
547 | return 0; |
496 | return 0; |
548 | |
497 | |
549 | m = op->map; |
498 | object *tmp = spell->other_arch->instance (); |
550 | mflags = get_map_flags (m, &m, x, y, &x, &y); |
|
|
551 | if (mflags & P_OUT_OF_MAP) |
|
|
552 | { |
|
|
553 | return 0; |
|
|
554 | } |
|
|
555 | |
499 | |
556 | tmp = arch_to_object (spell->other_arch); |
500 | if (!tmp) |
557 | |
|
|
558 | if (tmp == NULL) |
|
|
559 | return 0; |
501 | return 0; |
560 | |
|
|
561 | if (OB_TYPE_MOVE_BLOCK (tmp, GET_MAP_MOVE_BLOCK (m, x, y))) |
|
|
562 | { |
|
|
563 | new_draw_info (NDI_UNIQUE, 0, op, "You can't cast the spell on top of a wall!\n"); |
|
|
564 | tmp->destroy (); |
|
|
565 | return 0; |
|
|
566 | } |
|
|
567 | |
502 | |
568 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
503 | tmp->stats.dam = spell->stats.dam + SP_level_dam_adjust (caster, spell); |
569 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
504 | tmp->duration = spell->duration + SP_level_duration_adjust (caster, spell); |
570 | /* code in time.c uses food for some things, duration for others */ |
505 | /* code in time.c uses food for some things, duration for others */ |
571 | tmp->stats.food = tmp->duration; |
506 | tmp->stats.food = tmp->duration; |
572 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
507 | tmp->range = spell->range + SP_level_range_adjust (caster, spell); |
573 | tmp->attacktype = spell->attacktype; |
508 | tmp->attacktype = spell->attacktype; |
574 | tmp->x = x; |
|
|
575 | tmp->y = y; |
|
|
576 | tmp->direction = dir; |
509 | tmp->direction = dir; |
577 | if (op->owner != NULL) |
|
|
578 | tmp->set_owner (op); |
510 | tmp->set_owner (op); |
579 | else |
|
|
580 | tmp->set_owner (op); |
|
|
581 | tmp->level = caster_level (caster, spell); |
511 | tmp->level = casting_level (caster, spell); |
582 | set_spell_skill (op, caster, spell, tmp); |
512 | set_spell_skill (op, caster, spell, tmp); |
583 | |
513 | |
584 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
514 | /* needed for AT_HOLYWORD,AT_GODPOWER stuff */ |
585 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
515 | if (tmp->attacktype & AT_HOLYWORD || tmp->attacktype & AT_GODPOWER) |
586 | { |
|
|
587 | if (!tailor_god_spell (tmp, op)) |
516 | if (!tailor_god_spell (tmp, op)) |
588 | return 0; |
517 | return 0; |
589 | } |
518 | |
590 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
519 | if (QUERY_FLAG (tmp, FLAG_IS_TURNABLE)) |
591 | SET_ANIMATION (tmp, dir); |
520 | SET_ANIMATION (tmp, dir); |
592 | |
521 | |
593 | if ((tmp = insert_ob_in_map (tmp, m, op, 0))) |
522 | if ((tmp = op->map->insert (tmp, x, y, op))) |
594 | move_spell_effect (tmp); |
523 | move_spell_effect (tmp); |
595 | |
524 | |
596 | return 1; |
525 | return 1; |
597 | } |
526 | } |
598 | |
527 | |
… | |
… | |
603 | ****************************************************************************/ |
532 | ****************************************************************************/ |
604 | void |
533 | void |
605 | regenerate_rod (object *rod) |
534 | regenerate_rod (object *rod) |
606 | { |
535 | { |
607 | if (rod->stats.hp < rod->stats.maxhp) |
536 | if (rod->stats.hp < rod->stats.maxhp) |
608 | rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 10); |
537 | rod->stats.hp = min (rod->stats.maxhp, rod->stats.hp + 1 + rod->stats.maxhp / 20); |
609 | } |
538 | } |
610 | |
539 | |
611 | void |
540 | void |
612 | drain_rod_charge (object *rod) |
541 | drain_rod_charge (object *rod) |
613 | { |
542 | { |
… | |
… | |
653 | if (!tmp) |
582 | if (!tmp) |
654 | tmp = op->ms ().player (); |
583 | tmp = op->ms ().player (); |
655 | |
584 | |
656 | return tmp; |
585 | return tmp; |
657 | } |
586 | } |
658 | |
|
|
659 | |
|
|
660 | |
587 | |
661 | /* raytrace: |
588 | /* raytrace: |
662 | * spell_find_dir(map, x, y, exclude) will search first the center square |
589 | * 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 |
590 | * then some close squares in the given map at the given coordinates for |
664 | * live objects. |
591 | * live objects. |
… | |
… | |
667 | * monsters/generators only. If not, the spell will hunt players only. |
594 | * 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 |
595 | * It returns the direction toward the first/closest live object if it finds |
669 | * any, otherwise -1. |
596 | * any, otherwise -1. |
670 | * note that exclude can be NULL, in which case all bets are off. |
597 | * note that exclude can be NULL, in which case all bets are off. |
671 | */ |
598 | */ |
672 | |
|
|
673 | int |
599 | int |
674 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
600 | spell_find_dir (maptile *m, int x, int y, object *exclude) |
675 | { |
601 | { |
676 | int i, max = SIZEOFFREE; |
602 | int i, max = SIZEOFFREE; |
677 | sint16 nx, ny; |
603 | sint16 nx, ny; |
… | |
… | |
708 | |
634 | |
709 | /* put_a_monster: puts a monster named monstername near by |
635 | /* put_a_monster: puts a monster named monstername near by |
710 | * op. This creates the treasures for the monsters, and |
636 | * op. This creates the treasures for the monsters, and |
711 | * also deals with multipart monsters properly. |
637 | * also deals with multipart monsters properly. |
712 | */ |
638 | */ |
713 | void |
639 | static void |
714 | put_a_monster (object *op, const char *monstername) |
640 | put_a_monster (object *op, const char *monstername) |
715 | { |
641 | { |
716 | object *tmp, *head = NULL, *prev = NULL; |
642 | object *tmp, *head = NULL, *prev = NULL; |
717 | archetype *at; |
643 | archetype *at; |
718 | int dir; |
644 | int dir; |
… | |
… | |
757 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
683 | create_treasure (head->randomitems, head, GT_INVISIBLE, op->map->difficulty, 0); |
758 | |
684 | |
759 | insert_ob_in_map (head, op->map, op, 0); |
685 | insert_ob_in_map (head, op->map, op, 0); |
760 | |
686 | |
761 | /* thought it'd be cool to insert a burnout, too. */ |
687 | /* 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); |
688 | op->map->insert (archetype::get (shstr_burnout), op->x + freearr_x[dir], op->y + freearr_y[dir], op); |
763 | } |
689 | } |
764 | } |
690 | } |
765 | |
691 | |
766 | /* peterm: function which summons hostile monsters and |
692 | /* peterm: function which summons hostile monsters and |
767 | * places them in nearby squares. |
693 | * places them in nearby squares. |
… | |
… | |
774 | * Note that this is not used by any spells (summon evil monsters |
700 | * Note that this is not used by any spells (summon evil monsters |
775 | * use to call this, but best I can tell, that spell/ability was |
701 | * use to call this, but best I can tell, that spell/ability was |
776 | * never used. This is however used by various failures on the |
702 | * never used. This is however used by various failures on the |
777 | * players part (alchemy, reincarnation, etc) |
703 | * players part (alchemy, reincarnation, etc) |
778 | */ |
704 | */ |
779 | |
|
|
780 | int |
705 | int |
781 | summon_hostile_monsters (object *op, int n, const char *monstername) |
706 | summon_hostile_monsters (object *op, int n, const char *monstername) |
782 | { |
707 | { |
783 | int i; |
708 | int i; |
784 | |
709 | |
… | |
… | |
849 | { |
774 | { |
850 | SET_ANIMATION (op, ATTACKS[i].face); |
775 | SET_ANIMATION (op, ATTACKS[i].face); |
851 | } |
776 | } |
852 | } |
777 | } |
853 | |
778 | |
854 | |
|
|
855 | /* prayer_failure: This is called when a player fails |
779 | /* prayer_failure: This is called when a player fails |
856 | * at casting a prayer. |
780 | * at casting a prayer. |
857 | * op is the player. |
781 | * op is the player. |
858 | * failure is basically how much grace they had. |
782 | * failure is basically how much grace they had. |
859 | * power is how much grace the spell would normally take to cast. |
783 | * power is how much grace the spell would normally take to cast. |
860 | */ |
784 | */ |
861 | |
785 | static void |
862 | void |
|
|
863 | prayer_failure (object *op, int failure, int power) |
786 | prayer_failure (object *op, int failure, int power) |
864 | { |
787 | { |
865 | const char *godname; |
788 | const char *godname; |
866 | object *tmp; |
789 | object *tmp; |
867 | |
790 | |
… | |
… | |
960 | tmp->insert_at (op); |
883 | tmp->insert_at (op); |
961 | } |
884 | } |
962 | } |
885 | } |
963 | } |
886 | } |
964 | |
887 | |
965 | int |
888 | static int |
966 | cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg) |
889 | cast_party_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam) |
967 | { |
890 | { |
968 | int success; |
|
|
969 | object *spell; |
|
|
970 | |
|
|
971 | if (!spell_ob->other_arch) |
891 | if (!spell_ob->other_arch) |
972 | { |
892 | { |
973 | LOG (llevError, "cast_party_spell: empty other arch\n"); |
893 | LOG (llevError, "cast_party_spell: empty other arch\n"); |
974 | return 0; |
894 | return 0; |
975 | } |
895 | } |
976 | |
896 | |
977 | spell = arch_to_object (spell_ob->other_arch); |
897 | object *spell = arch_to_object (spell_ob->other_arch); |
978 | |
898 | |
979 | /* Always cast spell on caster */ |
899 | /* Always cast spell on caster */ |
980 | success = cast_spell (op, caster, dir, spell, stringarg); |
900 | int success = cast_spell (op, caster, dir, spell, spellparam); |
981 | |
901 | |
982 | if (caster->contr->party == NULL) |
902 | if (!op->contr || !op->contr->party) |
983 | { |
903 | { |
984 | spell->remove (); |
904 | spell->remove (); |
985 | return success; |
905 | return success; |
986 | } |
906 | } |
987 | |
907 | |
988 | for_all_players (pl) |
908 | for_all_players (pl) |
989 | if ((pl->ob->contr->party == caster->contr->party) && (on_same_map (pl->ob, caster))) |
909 | if ((pl->ob->contr->party == op->contr->party) |
|
|
910 | && on_same_map (pl->ob, op) |
|
|
911 | && pl->ob != op) |
990 | cast_spell (pl->ob, caster, pl->ob->facing, spell, stringarg); |
912 | cast_spell (pl->ob, caster, pl->ob->facing, spell, spellparam); |
991 | |
913 | |
992 | spell->remove (); |
914 | spell->remove (); |
993 | return success; |
915 | return success; |
994 | } |
916 | } |
995 | |
917 | |
… | |
… | |
1001 | * same as op. |
923 | * same as op. |
1002 | * dir is the direction to cast in. Note in some cases, if the spell |
924 | * dir is the direction to cast in. Note in some cases, if the spell |
1003 | * is self only, dir really doesn't make a difference. |
925 | * is self only, dir really doesn't make a difference. |
1004 | * spell_ob is the spell object that is being cast. From that, |
926 | * spell_ob is the spell object that is being cast. From that, |
1005 | * we can determine what to do. |
927 | * we can determine what to do. |
1006 | * stringarg is any options that are being used. It can be NULL. Almost |
928 | * spellparam is any options that are being used. It can be NULL. Almost |
1007 | * certainly, only players will set it. It is basically used as optional |
929 | * certainly, only players will set it. It is basically used as optional |
1008 | * parameters to a spell (eg, item to create, information for marking runes, |
930 | * parameters to a spell (eg, item to create, information for marking runes, |
1009 | * etc. |
931 | * etc. |
1010 | * returns 1 on successful cast, or 0 on error. These values should really |
932 | * returns 1 on successful cast, or 0 on error. These values should really |
1011 | * be swapped, so that 0 is successful, and non zero is failure, with a code |
933 | * be swapped, so that 0 is successful, and non zero is failure, with a code |
… | |
… | |
1019 | * if it is a player casting the spell (op->type == PLAYER, op == caster), |
941 | * if it is a player casting the spell (op->type == PLAYER, op == caster), |
1020 | * this function will decrease the mana/grace appropriately. For other |
942 | * this function will decrease the mana/grace appropriately. For other |
1021 | * objects, the caller should do what it considers appropriate. |
943 | * objects, the caller should do what it considers appropriate. |
1022 | */ |
944 | */ |
1023 | int |
945 | int |
1024 | cast_spell (object *op, object *caster, int dir, object *spell_ob, char *stringarg) |
946 | cast_spell (object *op, object *caster, int dir, object *spell_ob, char *spellparam) |
1025 | { |
947 | { |
1026 | const char *godname; |
948 | const char *godname; |
1027 | int success = 0, cast_level = 0; |
949 | int success = 0; |
1028 | object *skill = NULL; |
950 | object *skill = NULL; |
1029 | |
951 | |
1030 | if (!spell_ob) |
952 | if (!spell_ob) |
1031 | { |
953 | { |
1032 | LOG (llevError, "cast_spell: null spell object passed\n"); |
954 | LOG (llevError, "cast_spell: null spell object passed\n"); |
… | |
… | |
1061 | * need to have the right skill pointer passed, so we need to |
983 | * need to have the right skill pointer passed, so we need to |
1062 | * at least process that code. |
984 | * at least process that code. |
1063 | */ |
985 | */ |
1064 | if (op->type == PLAYER && op == caster) |
986 | if (op->type == PLAYER && op == caster) |
1065 | { |
987 | { |
1066 | cast_level = caster_level (caster, spell_ob); |
|
|
1067 | |
|
|
1068 | if (spell_ob->skill) |
988 | if (spell_ob->skill) |
1069 | { |
989 | { |
1070 | skill = find_skill_by_name (op, spell_ob->skill); |
990 | skill = find_skill_by_name (op, spell_ob->skill); |
1071 | |
991 | |
1072 | if (!skill) |
992 | if (!skill) |
1073 | { |
993 | { |
1074 | op->failmsg (format ("You need the skill %s to cast %s!", &spell_ob->skill, &spell_ob->name)); |
994 | op->failmsg (format ("You need the skill %s to cast %s! " |
|
|
995 | "H<You either need to learn the skill via a skill scroll " |
|
|
996 | "or you need to wear a talisman or holy symbol.>", |
|
|
997 | &spell_ob->skill, &spell_ob->name)); |
1075 | return 0; |
998 | return 0; |
1076 | } |
999 | } |
1077 | |
1000 | |
1078 | if (min_casting_level (op, spell_ob) > cast_level && !QUERY_FLAG (op, FLAG_WIZ)) |
1001 | const char *msg = ""; |
|
|
1002 | |
|
|
1003 | int caster_level = skill->level; |
|
|
1004 | |
|
|
1005 | if (op->path_attuned & spell_ob->path_attuned) |
1079 | { |
1006 | { |
|
|
1007 | caster_level += min (caster_level, ATTUNE_REPELL); |
|
|
1008 | msg = " (attuned)"; |
|
|
1009 | } |
|
|
1010 | |
|
|
1011 | if (op->path_repelled & spell_ob->path_attuned) |
|
|
1012 | { |
|
|
1013 | caster_level -= ATTUNE_REPELL; // negative is ok |
|
|
1014 | msg = " (repelled)"; |
|
|
1015 | } |
|
|
1016 | |
|
|
1017 | if (spell_ob->level > caster_level) |
|
|
1018 | { |
1080 | op->failmsg ("You lack enough skill to cast that spell!"); |
1019 | op->failmsg (format ("You lack enough skill to cast that spell! " |
|
|
1020 | "H<Your effective cast level is %d%s, but level %d is required.>", |
|
|
1021 | caster_level, msg, spell_ob->level)); |
|
|
1022 | if (!op->is_wiz ()) |
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 |
1086 | * to have sufficient grace/mana. |
1028 | * to have sufficient grace/mana. |
1087 | */ |
1029 | */ |
1088 | if (!QUERY_FLAG (op, FLAG_WIZ)) |
1030 | if (!QUERY_FLAG (op, FLAG_WIZCAST)) |
1089 | { |
1031 | { |
1090 | if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) && |
1032 | if (SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) && |
1091 | SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp) |
1033 | SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA) > op->stats.sp) |
1092 | { |
1034 | { |
1093 | op->failmsg ("You don't have enough mana!"); |
1035 | op->failmsg ("You don't have enough mana!"); |
… | |
… | |
1108 | } |
1050 | } |
1109 | } |
1051 | } |
1110 | |
1052 | |
1111 | /* player/monster is trying to cast the spell. might fumble it */ |
1053 | /* player/monster is trying to cast the spell. might fumble it */ |
1112 | if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) < |
1054 | if (spell_ob->stats.grace && random_roll (0, 99, op, PREFER_HIGH) < |
1113 | (spell_ob->level / (float) MAX (1, op->level) * cleric_chance[op->stats.Wis])) |
1055 | (spell_ob->level / (float) max (1, op->level) * cleric_chance[op->stats.Wis])) |
1114 | { |
1056 | { |
1115 | op->contr->play_sound (sound_find ("fumble_spell")); |
1057 | op->contr->play_sound (sound_find ("fumble_spell")); |
1116 | op->failmsg ("You fumble the prayer."); |
1058 | op->failmsg ("You fumble the prayer."); |
1117 | |
1059 | |
1118 | op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW); |
1060 | op->stats.grace -= random_roll (1, SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE), op, PREFER_LOW); |
… | |
… | |
1184 | * the player any time. |
1126 | * the player any time. |
1185 | * Ignore casting time for firewalls |
1127 | * Ignore casting time for firewalls |
1186 | */ |
1128 | */ |
1187 | if (caster == op && caster->type != FIREWALL) |
1129 | if (caster == op && caster->type != FIREWALL) |
1188 | { |
1130 | { |
1189 | op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); |
1131 | op->speed_left -= spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * fabs (op->speed); |
1190 | /* Other portions of the code may also decrement the speed of the player, so |
1132 | /* Other portions of the code may also decrement the speed of the player, so |
1191 | * put a lower limit so that the player isn't stuck here too long |
1133 | * put a lower limit so that the player isn't stuck here too long |
1192 | */ |
1134 | */ |
1193 | if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed)) |
1135 | if ((spell_ob->casting_time > 0) && op->speed_left < -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * fabs (op->speed)) |
1194 | op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * FABS (op->speed); |
1136 | op->speed_left = -spell_ob->casting_time * PATH_TIME_MULT (op, spell_ob) * fabs (op->speed); |
1195 | } |
1137 | } |
1196 | else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL) |
1138 | else if (caster->type == WAND || caster->type == HORN || caster->type == ROD || caster->type == POTION || caster->type == SCROLL) |
1197 | op->speed_left -= 2 * FABS (op->speed); |
1139 | op->speed_left -= 2 * fabs (op->speed); |
1198 | |
1140 | |
1199 | if (op->type == PLAYER && op == caster) |
1141 | if (op->type == PLAYER && op == caster) |
1200 | { |
1142 | { |
1201 | op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE); |
1143 | op->stats.grace -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_GRACE); |
1202 | op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA); |
1144 | op->stats.sp -= SP_level_spellpoint_cost (caster, spell_ob, SPELL_MANA); |
… | |
… | |
1216 | } |
1158 | } |
1217 | |
1159 | |
1218 | op->change_skill (skill); /* needed for proper exp credit */ |
1160 | op->change_skill (skill); /* needed for proper exp credit */ |
1219 | } |
1161 | } |
1220 | |
1162 | |
1221 | if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (stringarg))) |
1163 | if (INVOKE_OBJECT (CAST_SPELL, spell_ob, ARG_OBJECT (op), ARG_OBJECT (caster), ARG_INT (dir), ARG_STRING (spellparam))) |
1222 | return RESULT_INT (0); |
1164 | return RESULT_INT (0); |
1223 | |
1165 | |
1224 | switch (spell_ob->subtype) |
1166 | switch (spell_ob->subtype) |
1225 | { |
1167 | { |
1226 | /* The order of case statements is same as the order they show up |
1168 | /* The order of case statements is same as the order they show up |
1227 | * in in spells.h. |
1169 | * in spells.h. |
1228 | */ |
1170 | */ |
1229 | case SP_RAISE_DEAD: |
1171 | case SP_RAISE_DEAD: |
1230 | success = cast_raise_dead_spell (op, caster, spell_ob, dir, stringarg); |
1172 | success = cast_raise_dead_spell (op, caster, spell_ob, dir, spellparam); |
1231 | break; |
1173 | break; |
1232 | |
1174 | |
1233 | case SP_RUNE: |
1175 | case SP_RUNE: |
1234 | success = write_rune (op, caster, spell_ob, dir, stringarg); |
1176 | success = write_rune (op, caster, spell_ob, dir, spellparam); |
1235 | break; |
1177 | break; |
1236 | |
1178 | |
1237 | case SP_MAKE_MARK: |
1179 | case SP_MAKE_MARK: |
1238 | success = write_mark (op, spell_ob, stringarg); |
1180 | success = write_mark (op, spell_ob, spellparam); |
1239 | break; |
1181 | break; |
1240 | |
1182 | |
1241 | case SP_BOLT: |
1183 | case SP_BOLT: |
1242 | success = fire_bolt (op, caster, dir, spell_ob, skill); |
1184 | success = fire_bolt (op, caster, dir, spell_ob, skill); |
1243 | break; |
1185 | break; |
… | |
… | |
1261 | case SP_SMITE: |
1203 | case SP_SMITE: |
1262 | success = cast_smite_spell (op, caster, dir, spell_ob); |
1204 | success = cast_smite_spell (op, caster, dir, spell_ob); |
1263 | break; |
1205 | break; |
1264 | |
1206 | |
1265 | case SP_MAGIC_MISSILE: |
1207 | 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); |
1208 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
1267 | break; |
1209 | break; |
1268 | |
1210 | |
1269 | case SP_SUMMON_GOLEM: |
1211 | case SP_SUMMON_GOLEM: |
1270 | success = summon_golem (op, caster, dir, spell_ob); |
1212 | success = summon_golem (op, caster, dir, spell_ob); |
1271 | break; |
1213 | break; |
1272 | |
1214 | |
1273 | case SP_DIMENSION_DOOR: |
1215 | case SP_DIMENSION_DOOR: |
1274 | /* dimension door needs the actual caster, because that is what is |
1216 | /* dimension door needs the actual caster, because that is what is |
1275 | * moved. |
1217 | * moved. |
1276 | */ |
1218 | */ |
1277 | success = dimension_door (op, caster, spell_ob, dir); |
1219 | success = dimension_door (op, caster, spell_ob, dir, spellparam); |
1278 | break; |
1220 | break; |
1279 | |
1221 | |
1280 | case SP_MAGIC_MAPPING: |
1222 | case SP_MAGIC_MAPPING: |
1281 | if (op->type == PLAYER) |
1223 | if (op->type == PLAYER) |
1282 | { |
1224 | { |
… | |
… | |
1315 | case SP_HEALING: |
1257 | case SP_HEALING: |
1316 | success = cast_heal (op, caster, spell_ob, dir); |
1258 | success = cast_heal (op, caster, spell_ob, dir); |
1317 | break; |
1259 | break; |
1318 | |
1260 | |
1319 | case SP_CREATE_FOOD: |
1261 | case SP_CREATE_FOOD: |
1320 | success = cast_create_food (op, caster, spell_ob, dir, stringarg); |
1262 | success = cast_create_food (op, caster, spell_ob, dir, spellparam); |
1321 | break; |
1263 | break; |
1322 | |
1264 | |
1323 | case SP_EARTH_TO_DUST: |
1265 | case SP_EARTH_TO_DUST: |
1324 | success = cast_earth_to_dust (op, caster, spell_ob); |
1266 | success = cast_earth_to_dust (op, caster, spell_ob); |
1325 | break; |
1267 | break; |
… | |
… | |
1335 | case SP_CURSE: |
1277 | case SP_CURSE: |
1336 | success = cast_curse (op, caster, spell_ob, dir); |
1278 | success = cast_curse (op, caster, spell_ob, dir); |
1337 | break; |
1279 | break; |
1338 | |
1280 | |
1339 | case SP_SUMMON_MONSTER: |
1281 | case SP_SUMMON_MONSTER: |
1340 | success = summon_object (op, caster, spell_ob, dir, stringarg); |
1282 | success = summon_object (op, caster, spell_ob, dir, spellparam); |
1341 | break; |
1283 | break; |
1342 | |
1284 | |
1343 | case SP_CHARGING: |
1285 | case SP_CHARGING: |
1344 | success = recharge (op, caster, spell_ob); |
1286 | success = recharge (op, caster, spell_ob); |
1345 | break; |
1287 | break; |
… | |
… | |
1382 | { |
1324 | { |
1383 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
1325 | op->failmsg (format ("You lack the proper attunement to cast %s!", &spell_ob->name)); |
1384 | success = 0; |
1326 | success = 0; |
1385 | } |
1327 | } |
1386 | else |
1328 | else |
1387 | success = fire_arch_from_position (op, caster, op->x + freearr_x[dir], op->y + freearr_y[dir], dir, spell_ob); |
1329 | success = fire_arch_from_position (op, caster, op->x, op->y, dir, spell_ob); |
1388 | break; |
1330 | break; |
1389 | |
1331 | |
1390 | case SP_SWARM: |
1332 | case SP_SWARM: |
1391 | success = fire_swarm (op, caster, spell_ob, dir); |
1333 | success = fire_swarm (op, caster, spell_ob, dir); |
1392 | break; |
1334 | break; |
… | |
… | |
1399 | /* in rune.c */ |
1341 | /* in rune.c */ |
1400 | success = dispel_rune (op, caster, spell_ob, skill, dir); |
1342 | success = dispel_rune (op, caster, spell_ob, skill, dir); |
1401 | break; |
1343 | break; |
1402 | |
1344 | |
1403 | case SP_CREATE_MISSILE: |
1345 | case SP_CREATE_MISSILE: |
1404 | success = cast_create_missile (op, caster, spell_ob, dir, stringarg); |
1346 | success = cast_create_missile (op, caster, spell_ob, dir, spellparam); |
1405 | break; |
1347 | break; |
1406 | |
1348 | |
1407 | case SP_CONSECRATE: |
1349 | case SP_CONSECRATE: |
1408 | success = cast_consecrate (op, caster, spell_ob); |
1350 | success = cast_consecrate (op, caster, spell_ob); |
1409 | break; |
1351 | break; |
… | |
… | |
1431 | case SP_AURA: |
1373 | case SP_AURA: |
1432 | success = create_aura (op, caster, spell_ob); |
1374 | success = create_aura (op, caster, spell_ob); |
1433 | break; |
1375 | break; |
1434 | |
1376 | |
1435 | case SP_PARTY_SPELL: |
1377 | case SP_PARTY_SPELL: |
1436 | success = cast_party_spell (op, caster, dir, spell_ob, stringarg); |
1378 | success = cast_party_spell (op, caster, dir, spell_ob, spellparam); |
1437 | break; |
1379 | break; |
1438 | |
1380 | |
1439 | default: |
1381 | default: |
1440 | LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype); |
1382 | LOG (llevError, "cast_spell: Unhandled spell subtype %d\n", spell_ob->subtype); |
1441 | } |
1383 | } |
… | |
… | |
1500 | move_aura (op); |
1442 | move_aura (op); |
1501 | break; |
1443 | break; |
1502 | } |
1444 | } |
1503 | } |
1445 | } |
1504 | |
1446 | |
1505 | /* this checks to see if something special should happen if |
|
|
1506 | * something runs into the object. |
|
|
1507 | */ |
|
|
1508 | void |
|
|
1509 | check_spell_effect (object *op) |
|
|
1510 | { |
|
|
1511 | switch (op->subtype) |
|
|
1512 | { |
|
|
1513 | case SP_BOLT: |
|
|
1514 | move_bolt (op); |
|
|
1515 | return; |
|
|
1516 | |
|
|
1517 | case SP_BULLET: |
|
|
1518 | check_bullet (op); |
|
|
1519 | return; |
|
|
1520 | } |
|
|
1521 | } |
|
|
1522 | |
|
|
1523 | /* This is called by move_apply. Basically, if someone |
1447 | /* This is called by move_apply. Basically, if someone |
1524 | * moves onto a spell effect and the walk_on or fly_on flags |
1448 | * moves onto a spell effect and the walk_on or fly_on flags |
1525 | * are set, this is called. This should only be called for |
1449 | * are set, this is called. This should only be called for |
1526 | * objects of the appropraite type. |
1450 | * objects of the appropriate type. |
1527 | */ |
1451 | */ |
1528 | void |
1452 | void |
1529 | apply_spell_effect (object *spell, object *victim) |
1453 | apply_spell_effect (object *spell, object *victim) |
1530 | { |
1454 | { |
1531 | switch (spell->subtype) |
1455 | switch (spell->subtype) |
1532 | { |
1456 | { |
1533 | case SP_CONE: |
1457 | case SP_CONE: |
1534 | if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->speed && spell->attacktype) |
1458 | if (QUERY_FLAG (victim, FLAG_ALIVE) && spell->has_active_speed () && spell->attacktype) |
1535 | hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0); |
1459 | hit_player (victim, spell->stats.dam, spell, spell->attacktype, 0); |
1536 | break; |
1460 | break; |
1537 | |
1461 | |
1538 | case SP_MAGIC_MISSILE: |
1462 | case SP_MAGIC_MISSILE: |
1539 | if (QUERY_FLAG (victim, FLAG_ALIVE)) |
1463 | if (QUERY_FLAG (victim, FLAG_ALIVE)) |
1540 | { |
1464 | { |
1541 | hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); |
1465 | hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); |
1542 | |
|
|
1543 | if (!spell->destroyed ()) |
|
|
1544 | spell->destroy (); |
1466 | spell->destroy (); |
1545 | } |
1467 | } |
1546 | break; |
1468 | break; |
1547 | |
1469 | |
1548 | case SP_MOVING_BALL: |
1470 | case SP_MOVING_BALL: |
1549 | if (QUERY_FLAG (victim, FLAG_ALIVE)) |
1471 | if (QUERY_FLAG (victim, FLAG_ALIVE)) |
1550 | hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); |
1472 | hit_player (victim, spell->stats.dam, spell, spell->attacktype, 1); |
1551 | else if (victim->materialname) |
1473 | else if (victim->materialname) |
1552 | save_throw_object (victim, spell->attacktype, spell); |
1474 | save_throw_object (victim, spell->attacktype, spell); |
1553 | break; |
|
|
1554 | } |
|
|
1555 | } |
|
|
1556 | |
1475 | |
|
|
1476 | break; |
|
|
1477 | } |
|
|
1478 | } |
|
|
1479 | |
|
|
1480 | /** |
|
|
1481 | * This function will let a fireball explode at the position of |
|
|
1482 | * the victim with a specific maximum level. |
|
|
1483 | */ |
|
|
1484 | void |
|
|
1485 | create_exploding_ball_at (object *victim, int level) |
|
|
1486 | { |
|
|
1487 | object *ball = get_archetype (EXPLODING_FIREBALL); |
|
|
1488 | ball->dam_modifier = random_roll (1, level, victim, PREFER_LOW) / 5 + 1; |
|
|
1489 | ball->stats.maxhp = random_roll (1, level, victim, PREFER_LOW) / 10 + 2; |
|
|
1490 | ball->insert_at (victim); |
|
|
1491 | } |