1 |
elmex |
1.1 |
/* |
2 |
root |
1.59 |
* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 |
pippijn |
1.26 |
* |
4 |
root |
1.62 |
* Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 |
root |
1.54 |
* Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
6 |
|
|
* Copyright (©) 1992,2007 Frank Tore Johansen |
7 |
pippijn |
1.26 |
* |
8 |
root |
1.59 |
* Deliantra is free software: you can redistribute it and/or modify |
9 |
root |
1.58 |
* 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 |
11 |
|
|
* (at your option) any later version. |
12 |
pippijn |
1.26 |
* |
13 |
root |
1.58 |
* This program is distributed in the hope that it will be useful, |
14 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 |
|
|
* GNU General Public License for more details. |
17 |
pippijn |
1.26 |
* |
18 |
root |
1.58 |
* 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/>. |
20 |
root |
1.54 |
* |
21 |
root |
1.59 |
* The authors can be reached via e-mail to <support@deliantra.net> |
22 |
pippijn |
1.26 |
*/ |
23 |
elmex |
1.1 |
|
24 |
|
|
/* Created July 95 to separate skill utilities from actual skills -b.t. */ |
25 |
|
|
|
26 |
|
|
/* Reconfigured skills code to allow linking of skills to experience |
27 |
|
|
* categories. This is done solely through the init_new_exp_system() fctn. |
28 |
|
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* June/July 1995 -b.t. thomas@astro.psu.edu |
29 |
|
|
*/ |
30 |
|
|
|
31 |
|
|
/* July 1995 - Initial associated skills coding. Experience gains |
32 |
|
|
* come solely from the use of skills. Overcoming an opponent (in combat, |
33 |
|
|
* finding/disarming a trap, stealing from somebeing, etc) gains |
34 |
|
|
* experience. Calc_skill_exp() handles the gained experience using |
35 |
|
|
* modifications in the skills[] table. - b.t. |
36 |
|
|
*/ |
37 |
|
|
|
38 |
|
|
/* define the following for skills utility debuging */ |
39 |
root |
1.9 |
|
40 |
elmex |
1.1 |
/* #define SKILL_UTIL_DEBUG */ |
41 |
|
|
|
42 |
|
|
#include <global.h> |
43 |
|
|
#include <object.h> |
44 |
root |
1.23 |
#include <sproto.h> |
45 |
root |
1.9 |
#include <living.h> /* for defs of STR,CON,DEX,etc. -b.t. */ |
46 |
elmex |
1.1 |
#include <spells.h> |
47 |
|
|
|
48 |
root |
1.33 |
const uint8_t skill_flags[NUM_SKILLS] = { |
49 |
root |
1.34 |
0, // SK_NONE |
50 |
root |
1.33 |
# define def(uc, flags) flags, |
51 |
|
|
# include "skillinc.h" |
52 |
|
|
# undef def |
53 |
root |
1.11 |
}; |
54 |
|
|
|
55 |
root |
1.9 |
static int attack_hth (object *pl, int dir, const char *string, object *skill); |
56 |
|
|
static int attack_melee_weapon (object *op, int dir, const char *string, object *skill); |
57 |
elmex |
1.1 |
|
58 |
|
|
/* init_skills basically just sets up the skill_names table |
59 |
|
|
* above. The index into the array is set up by the |
60 |
|
|
* subtypes. |
61 |
|
|
*/ |
62 |
root |
1.9 |
void |
63 |
|
|
init_skills (void) |
64 |
|
|
{ |
65 |
root |
1.56 |
for_all_archetypes (at) |
66 |
|
|
if (at->type == SKILL) |
67 |
root |
1.10 |
{ |
68 |
root |
1.56 |
if (skill_names[at->subtype]) |
69 |
root |
1.10 |
LOG (llevError, "init_skills: multiple skill using same subtype %d, %s, %s\n", |
70 |
root |
1.56 |
at->subtype, &skill_names[at->subtype], &at->skill); |
71 |
root |
1.10 |
else |
72 |
root |
1.56 |
skill_names[at->subtype] = at->skill; |
73 |
root |
1.10 |
} |
74 |
elmex |
1.1 |
|
75 |
root |
1.9 |
/* This isn't really an error if there is no skill subtype set, but |
76 |
|
|
* checking for this may catch some user errors. |
77 |
|
|
*/ |
78 |
root |
1.33 |
for (int i = 1; i < NUM_SKILLS; i++) |
79 |
|
|
if (!skill_names[i]) |
80 |
|
|
LOG (llevError, "init_skills: skill subtype %d doesn't have a name?\n", i); |
81 |
elmex |
1.1 |
} |
82 |
|
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|
83 |
|
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/* This function goes through the player inventory and sets |
84 |
|
|
* up the last_skills[] array in the player object. |
85 |
|
|
* the last_skills[] is used to more quickly lookup skills - |
86 |
|
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* mostly used for sending exp. |
87 |
|
|
*/ |
88 |
root |
1.9 |
void |
89 |
root |
1.67 |
player::link_skills () |
90 |
elmex |
1.1 |
{ |
91 |
root |
1.67 |
for (int i = 0; i < NUM_SKILLS; ++i) |
92 |
|
|
last_skill_ob [i] = 0; |
93 |
|
|
|
94 |
|
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for (object *tmp = ob->inv; tmp; tmp = tmp->below) |
95 |
root |
1.25 |
if (tmp->type == SKILL) |
96 |
|
|
{ |
97 |
root |
1.67 |
assert (IN_RANGE_EXC (tmp->subtype, 0, NUM_SKILLS)); |
98 |
root |
1.25 |
|
99 |
root |
1.67 |
if (last_skill_ob [tmp->subtype] != tmp) |
100 |
root |
1.25 |
{ |
101 |
root |
1.67 |
/* This is really a warning, hence no else below */ |
102 |
|
|
if (last_skill_ob [tmp->subtype]) |
103 |
|
|
LOG (llevError, "Multiple skills with the same subtype? %s, %s\n", |
104 |
|
|
&last_skill_ob [tmp->subtype]->skill, &tmp->skill); |
105 |
|
|
|
106 |
|
|
last_skill_ob [tmp->subtype] = tmp; |
107 |
|
|
if (ns) |
108 |
|
|
ns->last_skill_exp [tmp->subtype] = -1; |
109 |
root |
1.25 |
} |
110 |
|
|
} |
111 |
elmex |
1.1 |
} |
112 |
|
|
|
113 |
root |
1.49 |
static object * |
114 |
root |
1.73 |
find_skill (object *who, shstr_cmp name) |
115 |
root |
1.49 |
{ |
116 |
root |
1.68 |
if (who->chosen_skill |
117 |
|
|
&& who->chosen_skill->skill == name |
118 |
|
|
&& who->chosen_skill->type == SKILL) |
119 |
|
|
return who->chosen_skill; |
120 |
|
|
|
121 |
root |
1.49 |
for (object *tmp = who->inv; tmp; tmp = tmp->below) |
122 |
root |
1.68 |
if (tmp->skill == name && tmp->type == SKILL) |
123 |
|
|
return splay (tmp); |
124 |
root |
1.49 |
|
125 |
|
|
return 0; |
126 |
|
|
} |
127 |
|
|
|
128 |
root |
1.73 |
object *player::find_skill (shstr_cmp name) const |
129 |
root |
1.68 |
{ |
130 |
|
|
// might want to use last_skill_obj at one point, or maybe not |
131 |
|
|
return ::find_skill (ob, name); |
132 |
|
|
} |
133 |
|
|
|
134 |
root |
1.50 |
/* This returns the skill pointer of the given name (the |
135 |
|
|
* one that accumulates exp, has the level, etc). |
136 |
|
|
* |
137 |
|
|
* It is presumed that the player will be needing to actually |
138 |
|
|
* use the skill, so thus if use of the skill requires a skill |
139 |
|
|
* tool, this code will equip it. |
140 |
|
|
*/ |
141 |
root |
1.49 |
object * |
142 |
root |
1.73 |
find_skill_by_name (object *who, shstr_cmp sh) |
143 |
root |
1.49 |
{ |
144 |
|
|
object *skill_tool = 0; |
145 |
|
|
|
146 |
|
|
for (object *tmp = who->inv; tmp; tmp = tmp->below) |
147 |
|
|
if (tmp->skill == sh) |
148 |
|
|
{ |
149 |
|
|
if (tmp->type == SKILL && (tmp->flag [FLAG_CAN_USE_SKILL] || tmp->flag [FLAG_APPLIED])) |
150 |
|
|
/* If this is a skill that can be used without applying tool, return it */ |
151 |
root |
1.53 |
return splay (tmp); |
152 |
root |
1.49 |
/* Try to find appropriate skilltool. If the player has one already |
153 |
|
|
* applied, we try to keep using that one. |
154 |
|
|
*/ |
155 |
|
|
else if (tmp->type == SKILL_TOOL && !skill_tool) |
156 |
|
|
skill_tool = tmp; |
157 |
|
|
} |
158 |
|
|
|
159 |
|
|
if (!skill_tool) |
160 |
|
|
return 0; |
161 |
|
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|
162 |
|
|
/* Player has a tool to use the skill. If not applied, apply it - |
163 |
|
|
* if not successful, return null. If they do have the skill tool |
164 |
|
|
* but not the skill itself, give it to them. |
165 |
|
|
*/ |
166 |
|
|
object *skill = find_skill (who, skill_tool->skill); |
167 |
|
|
|
168 |
|
|
if (!skill) |
169 |
root |
1.67 |
skill = give_skill_by_name (who, skill_tool->skill); |
170 |
root |
1.49 |
|
171 |
|
|
if (!skill_tool->flag [FLAG_APPLIED]) |
172 |
root |
1.53 |
if (apply_special (who, splay (skill_tool), AP_APPLY | AP_NO_READY)) |
173 |
root |
1.49 |
return 0; |
174 |
|
|
|
175 |
root |
1.53 |
return splay (skill); |
176 |
root |
1.49 |
} |
177 |
|
|
|
178 |
root |
1.50 |
object * |
179 |
root |
1.73 |
find_skill_by_name_fuzzy (object *who, const char *name) |
180 |
root |
1.50 |
{ |
181 |
|
|
if (!name) |
182 |
|
|
return 0; |
183 |
|
|
|
184 |
|
|
for (object *tmp = who->inv; tmp; tmp = tmp->below) |
185 |
|
|
if ((tmp->type == SKILL || tmp->type == SKILL_TOOL) |
186 |
root |
1.70 |
&& tmp->skill.starts_with (name)) |
187 |
root |
1.50 |
if (object *skop = find_skill_by_name (who, tmp->skill)) |
188 |
|
|
return skop; |
189 |
|
|
|
190 |
|
|
return 0; |
191 |
|
|
} |
192 |
|
|
|
193 |
elmex |
1.1 |
/* This returns the skill pointer of the given name (the |
194 |
root |
1.49 |
* one that accumulates exp, has the level, etc). |
195 |
elmex |
1.1 |
* |
196 |
|
|
* It is presumed that the player will be needing to actually |
197 |
|
|
* use the skill, so thus if use of the skill requires a skill |
198 |
|
|
* tool, this code will equip it. |
199 |
|
|
* |
200 |
|
|
* This code is basically the same as find_skill_by_name() above, |
201 |
|
|
* but instead a skill name, we search by matching number. |
202 |
|
|
* this replaces find_skill. |
203 |
|
|
*/ |
204 |
root |
1.9 |
object * |
205 |
|
|
find_skill_by_number (object *who, int skillno) |
206 |
elmex |
1.1 |
{ |
207 |
root |
1.47 |
for (object *tmp = who->inv; tmp; tmp = tmp->below) |
208 |
root |
1.50 |
if (tmp->type == SKILL && tmp->subtype == skillno) |
209 |
|
|
if (object *skop = find_skill_by_name (who, tmp->skill)) |
210 |
|
|
return skop; |
211 |
elmex |
1.1 |
|
212 |
root |
1.50 |
return 0; |
213 |
elmex |
1.1 |
} |
214 |
|
|
|
215 |
root |
1.51 |
/* This changes the objects chosen_skill to new_skill. |
216 |
elmex |
1.1 |
* return 1 on success, 0 on error |
217 |
|
|
*/ |
218 |
root |
1.51 |
bool |
219 |
|
|
object::change_skill (object *new_skill) |
220 |
elmex |
1.1 |
{ |
221 |
root |
1.51 |
if (type != PLAYER) |
222 |
root |
1.9 |
return 0; |
223 |
|
|
|
224 |
root |
1.40 |
// optimise this supposedly common case |
225 |
root |
1.51 |
if (new_skill == chosen_skill) |
226 |
root |
1.40 |
return 1; |
227 |
|
|
|
228 |
root |
1.51 |
if (chosen_skill) |
229 |
root |
1.32 |
{ |
230 |
root |
1.51 |
chosen_skill->flag [FLAG_APPLIED] = false; |
231 |
|
|
change_abil (this, chosen_skill); |
232 |
root |
1.32 |
} |
233 |
elmex |
1.1 |
|
234 |
root |
1.51 |
chosen_skill = new_skill; |
235 |
root |
1.33 |
|
236 |
root |
1.51 |
if (chosen_skill) |
237 |
|
|
{ |
238 |
|
|
chosen_skill->flag [FLAG_APPLIED] = true; |
239 |
|
|
change_abil (this, chosen_skill); |
240 |
|
|
} |
241 |
root |
1.16 |
|
242 |
root |
1.52 |
// always clear current weapon, as the selected skill could |
243 |
|
|
// conflict with the current weapon skill, which would go |
244 |
|
|
// undetected and exp would be given to the wrong skill. |
245 |
|
|
current_weapon = 0; |
246 |
|
|
|
247 |
root |
1.51 |
update_stats (); |
248 |
root |
1.9 |
return 1; |
249 |
elmex |
1.1 |
} |
250 |
|
|
|
251 |
|
|
/* do_skill() - Main skills use function-similar in scope to cast_spell(). |
252 |
|
|
* We handle all requests for skill use outside of some combat here. |
253 |
|
|
* We require a separate routine outside of fire() so as to allow monsters |
254 |
|
|
* to utilize skills. Returns 1 on use of skill, otherwise 0. |
255 |
|
|
* This is changed (2002-11-30) from the old method that returned |
256 |
|
|
* exp - no caller needed that info, but it also prevented the callers |
257 |
|
|
* from know if a skill was actually used, as many skills don't |
258 |
|
|
* give any exp for their direct use (eg, throwing). |
259 |
|
|
* It returns 0 if no skill was used. |
260 |
|
|
*/ |
261 |
root |
1.9 |
int |
262 |
|
|
do_skill (object *op, object *part, object *skill, int dir, const char *string) |
263 |
|
|
{ |
264 |
|
|
int success = 0, exp = 0; |
265 |
|
|
|
266 |
|
|
if (!skill) |
267 |
|
|
return 0; |
268 |
|
|
|
269 |
|
|
/* The code below presumes that the skill points to the object that |
270 |
|
|
* holds the exp, level, etc of the skill. So if this is a player |
271 |
|
|
* go and try to find the actual real skill pointer, and if the |
272 |
|
|
* the player doesn't have a bucket for that, create one. |
273 |
|
|
*/ |
274 |
|
|
if (skill->type != SKILL && op->type == PLAYER) |
275 |
|
|
{ |
276 |
root |
1.43 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
277 |
root |
1.28 |
if (tmp->type == SKILL && tmp->skill == skill->skill) |
278 |
root |
1.43 |
{ |
279 |
|
|
skill = tmp; |
280 |
|
|
goto found; |
281 |
|
|
} |
282 |
root |
1.28 |
|
283 |
root |
1.43 |
skill = give_skill_by_name (op, skill->skill); |
284 |
|
|
found: ; |
285 |
elmex |
1.1 |
} |
286 |
|
|
|
287 |
root |
1.9 |
// skill, by_whom, on_which_object, which direction, skill_argument |
288 |
|
|
if (INVOKE_OBJECT (USE_SKILL, skill, ARG_OBJECT (op), ARG_OBJECT (part), ARG_INT (dir), ARG_STRING (string))) |
289 |
|
|
return 0; |
290 |
elmex |
1.1 |
|
291 |
root |
1.9 |
switch (skill->subtype) |
292 |
|
|
{ |
293 |
root |
1.28 |
case SK_LEVITATION: |
294 |
|
|
/* Not 100% sure if this will work with new movement code - |
295 |
|
|
* the levitation skill has move_type for flying, so when |
296 |
|
|
* equipped, that should transfer to player, when not, |
297 |
|
|
* shouldn't. |
298 |
|
|
*/ |
299 |
|
|
if (QUERY_FLAG (skill, FLAG_APPLIED)) |
300 |
|
|
{ |
301 |
|
|
CLEAR_FLAG (skill, FLAG_APPLIED); |
302 |
|
|
new_draw_info (NDI_UNIQUE, 0, op, "You come to earth."); |
303 |
|
|
} |
304 |
|
|
else |
305 |
|
|
{ |
306 |
|
|
SET_FLAG (skill, FLAG_APPLIED); |
307 |
root |
1.61 |
new_draw_info (NDI_UNIQUE, 0, op, "You rise into the air!"); |
308 |
root |
1.28 |
} |
309 |
|
|
|
310 |
|
|
op->update_stats (); |
311 |
|
|
success = 1; |
312 |
|
|
break; |
313 |
root |
1.5 |
|
314 |
root |
1.28 |
case SK_STEALING: |
315 |
|
|
exp = success = steal (op, dir, skill); |
316 |
|
|
break; |
317 |
root |
1.5 |
|
318 |
root |
1.28 |
case SK_LOCKPICKING: |
319 |
|
|
exp = success = pick_lock (op, dir, skill); |
320 |
|
|
break; |
321 |
root |
1.5 |
|
322 |
root |
1.28 |
case SK_HIDING: |
323 |
|
|
exp = success = hide (op, skill); |
324 |
|
|
break; |
325 |
root |
1.5 |
|
326 |
root |
1.28 |
case SK_JUMPING: |
327 |
root |
1.63 |
exp = success = jump (op, dir, skill); |
328 |
root |
1.28 |
break; |
329 |
root |
1.5 |
|
330 |
root |
1.28 |
case SK_INSCRIPTION: |
331 |
|
|
exp = success = write_on_item (op, string, skill); |
332 |
|
|
break; |
333 |
root |
1.5 |
|
334 |
root |
1.28 |
case SK_MEDITATION: |
335 |
|
|
meditate (op, skill); |
336 |
|
|
success = 1; |
337 |
|
|
break; |
338 |
|
|
/* note that the following 'attack' skills gain exp through hit_player() */ |
339 |
root |
1.5 |
|
340 |
root |
1.28 |
case SK_KARATE: |
341 |
root |
1.30 |
attack_hth (op, dir, "karate-chopped", skill); |
342 |
root |
1.28 |
break; |
343 |
root |
1.5 |
|
344 |
root |
1.28 |
case SK_PUNCHING: |
345 |
root |
1.30 |
attack_hth (op, dir, "punched", skill); |
346 |
root |
1.28 |
break; |
347 |
root |
1.5 |
|
348 |
root |
1.28 |
case SK_FLAME_TOUCH: |
349 |
root |
1.30 |
attack_hth (op, dir, "flamed", skill); |
350 |
root |
1.28 |
break; |
351 |
elmex |
1.1 |
|
352 |
root |
1.28 |
case SK_SPARK_TOUCH: |
353 |
root |
1.30 |
attack_hth (op, dir, "zapped", skill); |
354 |
root |
1.28 |
break; |
355 |
elmex |
1.1 |
|
356 |
root |
1.28 |
case SK_SHIVER: |
357 |
root |
1.30 |
attack_hth (op, dir, "froze", skill); |
358 |
root |
1.28 |
break; |
359 |
elmex |
1.1 |
|
360 |
root |
1.28 |
case SK_ACID_SPLASH: |
361 |
root |
1.30 |
attack_hth (op, dir, "dissolved", skill); |
362 |
root |
1.28 |
break; |
363 |
elmex |
1.1 |
|
364 |
root |
1.28 |
case SK_POISON_NAIL: |
365 |
root |
1.30 |
attack_hth (op, dir, "injected poison into", skill); |
366 |
root |
1.28 |
break; |
367 |
elmex |
1.1 |
|
368 |
root |
1.28 |
case SK_CLAWING: |
369 |
root |
1.30 |
attack_hth (op, dir, "clawed", skill); |
370 |
root |
1.28 |
break; |
371 |
root |
1.5 |
|
372 |
root |
1.28 |
case SK_ONE_HANDED_WEAPON: |
373 |
|
|
case SK_TWO_HANDED_WEAPON: |
374 |
root |
1.30 |
attack_melee_weapon (op, dir, NULL, skill); |
375 |
root |
1.28 |
break; |
376 |
root |
1.5 |
|
377 |
root |
1.28 |
case SK_FIND_TRAPS: |
378 |
|
|
exp = success = find_traps (op, skill); |
379 |
|
|
break; |
380 |
root |
1.5 |
|
381 |
root |
1.28 |
case SK_SINGING: |
382 |
|
|
exp = success = singing (op, dir, skill); |
383 |
|
|
break; |
384 |
root |
1.5 |
|
385 |
root |
1.28 |
case SK_ORATORY: |
386 |
|
|
exp = success = use_oratory (op, dir, skill); |
387 |
|
|
break; |
388 |
root |
1.5 |
|
389 |
root |
1.28 |
case SK_SMITHERY: |
390 |
|
|
case SK_BOWYER: |
391 |
|
|
case SK_JEWELER: |
392 |
|
|
case SK_ALCHEMY: |
393 |
|
|
case SK_THAUMATURGY: |
394 |
|
|
case SK_LITERACY: |
395 |
|
|
case SK_WOODSMAN: |
396 |
|
|
/* first, we try to find a cauldron, and do the alchemy thing. |
397 |
|
|
* failing that, we go and identify stuff. |
398 |
|
|
*/ |
399 |
elmex |
1.74 |
{ |
400 |
|
|
bool found_cauldron = false; |
401 |
|
|
|
402 |
|
|
for (object *next, *tmp = GET_MAP_OB (op->map, op->x, op->y); tmp; tmp = next) |
403 |
|
|
{ |
404 |
|
|
next = tmp->above; |
405 |
root |
1.17 |
|
406 |
elmex |
1.74 |
if (QUERY_FLAG (tmp, FLAG_IS_CAULDRON)) |
407 |
|
|
{ |
408 |
|
|
found_cauldron = true; |
409 |
root |
1.17 |
|
410 |
elmex |
1.74 |
if (tmp->skill != skill->skill) |
411 |
|
|
{ |
412 |
|
|
op->failmsg (format ("You can't use the %s with the %s skill!", |
413 |
|
|
query_name (tmp), |
414 |
|
|
query_name (skill))); |
415 |
|
|
break; |
416 |
|
|
} |
417 |
root |
1.17 |
|
418 |
elmex |
1.74 |
attempt_do_alchemy (op, tmp, skill); |
419 |
root |
1.17 |
|
420 |
elmex |
1.74 |
if (QUERY_FLAG (tmp, FLAG_APPLIED)) |
421 |
|
|
esrv_send_inventory (op, tmp); |
422 |
|
|
} |
423 |
|
|
} |
424 |
root |
1.17 |
|
425 |
elmex |
1.74 |
if (!found_cauldron) |
426 |
|
|
exp = success = skill_ident (op, skill); |
427 |
|
|
} |
428 |
root |
1.28 |
break; |
429 |
root |
1.5 |
|
430 |
root |
1.28 |
case SK_DET_MAGIC: |
431 |
|
|
case SK_DET_CURSE: |
432 |
|
|
exp = success = skill_ident (op, skill); |
433 |
|
|
break; |
434 |
root |
1.5 |
|
435 |
root |
1.28 |
case SK_DISARM_TRAPS: |
436 |
|
|
exp = success = remove_trap (op, dir, skill); |
437 |
|
|
break; |
438 |
root |
1.5 |
|
439 |
root |
1.28 |
case SK_THROWING: |
440 |
|
|
success = skill_throw (op, part, dir, string, skill); |
441 |
|
|
break; |
442 |
root |
1.5 |
|
443 |
root |
1.28 |
case SK_SET_TRAP: |
444 |
|
|
new_draw_info (NDI_UNIQUE, 0, op, "This skill is not currently implemented."); |
445 |
|
|
break; |
446 |
root |
1.5 |
|
447 |
root |
1.28 |
case SK_USE_MAGIC_ITEM: |
448 |
|
|
case SK_MISSILE_WEAPON: |
449 |
|
|
new_draw_info (NDI_UNIQUE, 0, op, "There is no special attack for this skill."); |
450 |
|
|
break; |
451 |
root |
1.5 |
|
452 |
root |
1.28 |
case SK_PRAYING: |
453 |
|
|
success = pray (op, skill); |
454 |
|
|
break; |
455 |
root |
1.5 |
|
456 |
root |
1.28 |
case SK_BARGAINING: |
457 |
|
|
success = describe_shop (op); |
458 |
|
|
break; |
459 |
elmex |
1.1 |
|
460 |
root |
1.28 |
case SK_SORCERY: |
461 |
|
|
case SK_EVOCATION: |
462 |
|
|
case SK_PYROMANCY: |
463 |
|
|
case SK_SUMMONING: |
464 |
|
|
case SK_CLIMBING: |
465 |
|
|
new_draw_info (NDI_UNIQUE, 0, op, "This skill is already in effect."); |
466 |
|
|
break; |
467 |
root |
1.5 |
|
468 |
root |
1.28 |
default: |
469 |
|
|
LOG (llevDebug, "%s attempted to use unknown skill: %d\n", query_name (op), op->chosen_skill->stats.sp); |
470 |
|
|
break; |
471 |
elmex |
1.1 |
} |
472 |
|
|
|
473 |
root |
1.9 |
/* For players we now update the speed_left from using the skill. |
474 |
|
|
* Monsters have no skill use time because of the random nature in |
475 |
|
|
* which use_monster_skill is called already simulates this. |
476 |
|
|
* If certain skills should take more/less time, that should be |
477 |
|
|
* in the code for the skill itself. |
478 |
|
|
*/ |
479 |
|
|
if (op->type == PLAYER) |
480 |
root |
1.45 |
op->speed_left -= 1.f; |
481 |
root |
1.9 |
|
482 |
|
|
/* this is a good place to add experience for successfull use of skills. |
483 |
|
|
* Note that add_exp() will figure out player/monster experience |
484 |
|
|
* gain problems. |
485 |
|
|
*/ |
486 |
|
|
|
487 |
|
|
if (success && exp) |
488 |
|
|
change_exp (op, exp, skill->skill, 0); |
489 |
|
|
|
490 |
|
|
return success; |
491 |
elmex |
1.1 |
} |
492 |
|
|
|
493 |
|
|
/* calc_skill_exp() - calculates amount of experience can be gained for |
494 |
|
|
* successfull use of a skill. Returns value of experience gain. |
495 |
|
|
* Here we take the view that a player must 'overcome an opponent' |
496 |
|
|
* in order to gain experience. Examples include foes killed combat, |
497 |
|
|
* finding/disarming a trap, stealing from somebeing, etc. |
498 |
|
|
* The gained experience is based primarily on the difference in levels, |
499 |
|
|
* exp point value of vanquished foe, the relevent stats of the skill being |
500 |
|
|
* used and modifications in the skills[] table. |
501 |
|
|
* |
502 |
|
|
* For now, monsters and players will be treated differently. Below I give |
503 |
|
|
* the algorithm for *PLAYER* experience gain. Monster exp gain is simpler. |
504 |
|
|
* Monsters just get 10% of the exp of the opponent. |
505 |
|
|
* |
506 |
|
|
* players get a ratio, eg, opponent lvl / player level. This is then |
507 |
|
|
* multiplied by various things. If simple exp is true, then |
508 |
|
|
* this multiplier, include the level difference, is always 1. |
509 |
|
|
* This revised method prevents some cases where there are big gaps |
510 |
|
|
* in the amount you get just because you are now equal level vs lower |
511 |
|
|
* level |
512 |
|
|
* who is player/creature that used the skill. |
513 |
|
|
* op is the object that was 'defeated'. |
514 |
|
|
* skill is the skill used. If no skill is used, it should just |
515 |
|
|
* point back to who. |
516 |
|
|
* |
517 |
|
|
*/ |
518 |
root |
1.9 |
int |
519 |
|
|
calc_skill_exp (object *who, object *op, object *skill) |
520 |
|
|
{ |
521 |
|
|
int op_exp = 0, op_lvl = 0; |
522 |
|
|
float base, value, lvl_mult = 0.0; |
523 |
|
|
|
524 |
|
|
if (!skill) |
525 |
|
|
skill = who; |
526 |
|
|
|
527 |
|
|
/* Oct 95 - where we have an object, I expanded our treatment |
528 |
|
|
* to 3 cases: |
529 |
|
|
* non-living magic obj, runes and everything else. |
530 |
|
|
* |
531 |
|
|
* If an object is not alive and magical we set the base exp higher to |
532 |
|
|
* help out exp awards for skill_ident skills. Also, if |
533 |
|
|
* an item is type RUNE, we give out exp based on stats.Cha |
534 |
|
|
* and level (this was the old system) -b.t. |
535 |
|
|
*/ |
536 |
|
|
if (!op) |
537 |
|
|
{ /* no item/creature */ |
538 |
root |
1.60 |
op_lvl = max (1, who->map->difficulty); |
539 |
root |
1.9 |
op_exp = 0; |
540 |
|
|
} |
541 |
|
|
else if (op->type == RUNE || op->type == TRAP) |
542 |
|
|
{ /* all traps. If stats.Cha > 1 we use that |
543 |
root |
1.5 |
* for the amount of experience */ |
544 |
root |
1.9 |
op_exp = op->stats.Cha > 1 ? op->stats.Cha : op->stats.exp; |
545 |
|
|
op_lvl = op->level; |
546 |
|
|
} |
547 |
|
|
else |
548 |
|
|
{ /* all other items/living creatures */ |
549 |
|
|
op_exp = op->stats.exp; |
550 |
|
|
op_lvl = op->level; |
551 |
|
|
if (!QUERY_FLAG (op, FLAG_ALIVE)) |
552 |
root |
1.60 |
op_lvl += 5 * abs (op->magic); /* for ident/make items */ |
553 |
root |
1.9 |
} |
554 |
|
|
|
555 |
|
|
if (op_lvl < 1) |
556 |
|
|
op_lvl = 1; |
557 |
|
|
|
558 |
|
|
if (who->type != PLAYER) |
559 |
|
|
{ /* for monsters only */ |
560 |
|
|
return ((int) (op_exp * 0.1) + 1); /* we add one to insure positive value is returned */ |
561 |
|
|
} |
562 |
|
|
else |
563 |
|
|
{ /* for players */ |
564 |
|
|
base = op_exp; |
565 |
|
|
/* if skill really is a skill, then we can look at the skill archetype for |
566 |
|
|
* bse reward value (exp) and level multiplier factor. |
567 |
|
|
*/ |
568 |
|
|
if (skill->type == SKILL) |
569 |
|
|
{ |
570 |
root |
1.56 |
base += skill->arch->stats.exp; |
571 |
root |
1.9 |
if (settings.simple_exp) |
572 |
|
|
{ |
573 |
root |
1.56 |
if (skill->arch->level) |
574 |
|
|
lvl_mult = (float) skill->arch->level / 100.0; |
575 |
root |
1.9 |
else |
576 |
|
|
lvl_mult = 1.0; /* no adjustment */ |
577 |
root |
1.5 |
} |
578 |
root |
1.9 |
else |
579 |
|
|
{ |
580 |
|
|
if (skill->level) |
581 |
root |
1.56 |
lvl_mult = ((float) skill->arch->level * (float) op_lvl) / ((float) skill->level * 100.0); |
582 |
root |
1.9 |
else |
583 |
|
|
lvl_mult = 1.0; |
584 |
root |
1.5 |
} |
585 |
root |
1.9 |
} |
586 |
|
|
else |
587 |
|
|
{ |
588 |
|
|
/* Don't divide by zero here! */ |
589 |
root |
1.60 |
lvl_mult = (float) op_lvl / (float) max (1, skill->level); |
590 |
root |
1.5 |
} |
591 |
elmex |
1.1 |
} |
592 |
root |
1.9 |
|
593 |
|
|
/* assemble the exp total, and return value */ |
594 |
|
|
|
595 |
|
|
value = base * lvl_mult; |
596 |
|
|
if (value < 1) |
597 |
|
|
value = 1; /* Always give at least 1 exp point */ |
598 |
|
|
|
599 |
elmex |
1.1 |
#ifdef SKILL_UTIL_DEBUG |
600 |
root |
1.9 |
LOG (llevDebug, "calc_skill_exp(): who: %s(lvl:%d) op:%s(lvl:%d)\n", who->name, skill->level, op->name, op_lvl); |
601 |
elmex |
1.1 |
#endif |
602 |
root |
1.9 |
return ((int) value); |
603 |
elmex |
1.1 |
} |
604 |
|
|
|
605 |
|
|
/* Learn skill. This inserts the requested skill in the player's |
606 |
|
|
* inventory. The skill field of the scroll should have the |
607 |
|
|
* exact name of the requested skill. |
608 |
|
|
* This one actually teaches the player the skill as something |
609 |
|
|
* they can equip. |
610 |
|
|
* Return 0 if the player knows the skill, 1 if the |
611 |
|
|
* player learns the skill, 2 otherwise. |
612 |
|
|
*/ |
613 |
|
|
int |
614 |
root |
1.9 |
learn_skill (object *pl, object *scroll) |
615 |
|
|
{ |
616 |
|
|
if (!scroll->skill) |
617 |
|
|
{ |
618 |
|
|
LOG (llevError, "skill scroll %s does not have skill pointer set.\n", &scroll->name); |
619 |
|
|
return 2; |
620 |
elmex |
1.1 |
} |
621 |
|
|
|
622 |
root |
1.50 |
object *tmp = find_skill (pl, scroll->skill); |
623 |
elmex |
1.1 |
|
624 |
root |
1.9 |
/* player already knows it */ |
625 |
|
|
if (tmp && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL)) |
626 |
|
|
return 0; |
627 |
elmex |
1.1 |
|
628 |
root |
1.9 |
/* now a random change to learn, based on player Int. |
629 |
|
|
* give bonus based on level - otherwise stupid characters |
630 |
|
|
* might never be able to learn anything. |
631 |
|
|
*/ |
632 |
|
|
if (random_roll (0, 99, pl, PREFER_LOW) > (learn_spell[pl->stats.Int] + (pl->level / 5))) |
633 |
|
|
return 2; /* failure :< */ |
634 |
elmex |
1.1 |
|
635 |
root |
1.9 |
if (!tmp) |
636 |
|
|
tmp = give_skill_by_name (pl, scroll->skill); |
637 |
elmex |
1.1 |
|
638 |
root |
1.9 |
if (!tmp) |
639 |
|
|
{ |
640 |
|
|
LOG (llevError, "skill scroll %s does not have valid skill name (%s).\n", &scroll->name, &scroll->skill); |
641 |
|
|
return 2; |
642 |
elmex |
1.1 |
} |
643 |
|
|
|
644 |
root |
1.9 |
SET_FLAG (tmp, FLAG_CAN_USE_SKILL); |
645 |
root |
1.67 |
|
646 |
root |
1.9 |
return 1; |
647 |
elmex |
1.1 |
} |
648 |
|
|
|
649 |
|
|
/* Gives a percentage clipped to 0% -> 100% of a/b. */ |
650 |
|
|
/* Probably belongs in some global utils-type file? */ |
651 |
root |
1.9 |
static int |
652 |
|
|
clipped_percent (sint64 a, sint64 b) |
653 |
elmex |
1.1 |
{ |
654 |
|
|
int rv; |
655 |
|
|
|
656 |
|
|
if (b <= 0) |
657 |
|
|
return 0; |
658 |
|
|
|
659 |
root |
1.9 |
rv = (int) ((100.0f * ((float) a) / ((float) b)) + 0.5f); |
660 |
|
|
|
661 |
elmex |
1.1 |
if (rv < 0) |
662 |
|
|
return 0; |
663 |
|
|
else if (rv > 100) |
664 |
|
|
return 100; |
665 |
root |
1.9 |
|
666 |
elmex |
1.1 |
return rv; |
667 |
|
|
} |
668 |
|
|
|
669 |
|
|
/* show_skills() - Meant to allow players to examine |
670 |
|
|
* their current skill list. |
671 |
|
|
* This shows the amount of exp they have in the skills. |
672 |
|
|
* we also include some other non skill related info (god, |
673 |
|
|
* max weapon improvments, item power). |
674 |
|
|
* Note this function is a bit more complicated becauase we |
675 |
|
|
* we want ot sort the skills before printing them. If we |
676 |
|
|
* just dumped this as we found it, this would be a bit |
677 |
|
|
* simpler. |
678 |
|
|
*/ |
679 |
root |
1.57 |
//TODO: egad, do it in perl, do not suffer from the big buffer on stack, make it one single drawinfo. |
680 |
root |
1.9 |
void |
681 |
root |
1.66 |
show_skills (object *pl, const char *search) |
682 |
root |
1.9 |
{ |
683 |
|
|
const char *cp; |
684 |
|
|
int i, num_skills_found = 0; |
685 |
root |
1.64 |
const char *const periods = ".............................."; // 30 |
686 |
root |
1.9 |
|
687 |
|
|
/* Need to have a pointer and use strdup for qsort to work properly */ |
688 |
root |
1.64 |
char skills[NUM_SKILLS][128]; // d'oh |
689 |
root |
1.9 |
|
690 |
root |
1.66 |
object *op = pl->contr->ob; |
691 |
|
|
|
692 |
root |
1.64 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
693 |
root |
1.9 |
{ |
694 |
|
|
if (tmp->type == SKILL) |
695 |
|
|
{ |
696 |
root |
1.72 |
if (search && !tmp->name.contains (search)) |
697 |
root |
1.9 |
continue; |
698 |
root |
1.64 |
|
699 |
|
|
char buf[30]; |
700 |
|
|
|
701 |
|
|
/* Basically want to fill this out to 30 spaces with periods */ |
702 |
|
|
snprintf (buf, sizeof (buf), "%s%s", &tmp->name, periods); |
703 |
root |
1.9 |
|
704 |
|
|
if (settings.permanent_exp_ratio) |
705 |
root |
1.64 |
snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 "/%d%%)", |
706 |
|
|
buf, tmp->level, tmp->stats.exp, |
707 |
|
|
level_exp (tmp->level + 1, op->expmul), clipped_percent (tmp->perm_exp, tmp->stats.exp)); |
708 |
root |
1.9 |
else |
709 |
root |
1.64 |
snprintf (skills[num_skills_found++], sizeof (skills [0]), "%slvl:%3d (xp:%" PRId64 "/%" PRId64 ")", |
710 |
|
|
buf, tmp->level, tmp->stats.exp, level_exp (tmp->level + 1, op->expmul)); |
711 |
root |
1.57 |
|
712 |
root |
1.9 |
/* I don't know why some characters get a bunch of skills, but |
713 |
|
|
* it sometimes happens (maybe a leftover from bugier earlier code |
714 |
|
|
* and those character are still about). In any case, lets handle |
715 |
|
|
* it so it doesn't crash the server - otherwise, one character may |
716 |
|
|
* crash the server numerous times. |
717 |
|
|
*/ |
718 |
|
|
if (num_skills_found >= NUM_SKILLS) |
719 |
|
|
{ |
720 |
|
|
new_draw_info (NDI_RED, 0, op, "Your character has too many skills."); |
721 |
|
|
new_draw_info (NDI_RED, 0, op, "Something isn't right - contact the server admin"); |
722 |
|
|
break; |
723 |
root |
1.5 |
} |
724 |
|
|
} |
725 |
elmex |
1.1 |
} |
726 |
|
|
|
727 |
root |
1.64 |
dynbuf_text msg (4096, 1024); |
728 |
|
|
|
729 |
|
|
msg << "T<Player skills:>\n\n"; |
730 |
root |
1.9 |
if (num_skills_found > 1) |
731 |
root |
1.64 |
qsort (skills, num_skills_found, sizeof (skills [0]), (int (*)(const void *, const void *)) std::strcmp); |
732 |
elmex |
1.1 |
|
733 |
root |
1.9 |
for (i = 0; i < num_skills_found; i++) |
734 |
root |
1.64 |
msg << " C<" << skills [i] << ">\n"; |
735 |
elmex |
1.1 |
|
736 |
root |
1.64 |
msg << "\nYou can handle " << op->level / 5 + 5 << " weapon improvements.\r"; |
737 |
elmex |
1.1 |
|
738 |
root |
1.9 |
cp = determine_god (op); |
739 |
root |
1.64 |
msg << "You worship " << (cp ? cp : "no god at current time") << ".\r"; |
740 |
|
|
|
741 |
|
|
msg << "Your equipped item power is " << (int)op->contr->item_power |
742 |
|
|
<< " out of " << int (op->level * settings.item_power_factor) |
743 |
root |
1.65 |
<< ".\n"; |
744 |
elmex |
1.1 |
|
745 |
root |
1.66 |
pl->contr->infobox (MSG_CHANNEL ("skills"), msg); |
746 |
elmex |
1.1 |
} |
747 |
|
|
|
748 |
|
|
/* use_skill() - similar to invoke command, it executes the skill in the |
749 |
|
|
* direction that the user is facing. Returns false if we are unable to |
750 |
|
|
* change to the requested skill, or were unable to use the skill properly. |
751 |
|
|
* This is tricky because skills can have spaces. We basically roll |
752 |
|
|
* our own find_skill_by_name so we can try to do better string matching. |
753 |
|
|
*/ |
754 |
root |
1.9 |
int |
755 |
|
|
use_skill (object *op, const char *string) |
756 |
|
|
{ |
757 |
|
|
object *skop; |
758 |
|
|
size_t len; |
759 |
|
|
|
760 |
|
|
if (!string) |
761 |
|
|
return 0; |
762 |
|
|
|
763 |
root |
1.50 |
for (skop = op->inv; skop; skop = skop->below) |
764 |
root |
1.9 |
{ |
765 |
root |
1.50 |
if (skop->type == SKILL |
766 |
|
|
&& QUERY_FLAG (skop, FLAG_CAN_USE_SKILL) |
767 |
|
|
&& !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill)))) |
768 |
root |
1.9 |
break; |
769 |
root |
1.50 |
else if (skop->type == SKILL_TOOL |
770 |
|
|
&& !strncasecmp (string, skop->skill, MIN (strlen (string), (size_t) strlen (skop->skill)))) |
771 |
root |
1.9 |
break; |
772 |
elmex |
1.1 |
} |
773 |
root |
1.50 |
|
774 |
root |
1.9 |
if (!skop) |
775 |
|
|
{ |
776 |
|
|
new_draw_info_format (NDI_UNIQUE, 0, op, "Unable to find skill %s", string); |
777 |
|
|
return 0; |
778 |
elmex |
1.1 |
} |
779 |
|
|
|
780 |
root |
1.9 |
len = strlen (skop->skill); |
781 |
elmex |
1.1 |
|
782 |
root |
1.9 |
/* All this logic goes and skips over the skill name to find any |
783 |
|
|
* options given to the skill. Its pretty simple - if there |
784 |
|
|
* are extra parameters (as deteremined by string length), we |
785 |
|
|
* want to skip over any leading spaces. |
786 |
|
|
*/ |
787 |
|
|
if (len >= strlen (string)) |
788 |
root |
1.50 |
string = NULL; |
789 |
root |
1.9 |
else |
790 |
|
|
{ |
791 |
|
|
string += len; |
792 |
|
|
while (*string == 0x20) |
793 |
|
|
string++; |
794 |
root |
1.50 |
|
795 |
root |
1.9 |
if (strlen (string) == 0) |
796 |
|
|
string = NULL; |
797 |
|
|
} |
798 |
|
|
|
799 |
elmex |
1.1 |
#ifdef SKILL_UTIL_DEBUG |
800 |
root |
1.9 |
LOG (llevDebug, "use_skill() got skill: %s\n", sknum > -1 ? skills[sknum].name : "none"); |
801 |
elmex |
1.1 |
#endif |
802 |
|
|
|
803 |
root |
1.9 |
if (do_skill (op, op, skop, op->facing, string)) |
804 |
|
|
return 1; |
805 |
|
|
|
806 |
|
|
return 0; |
807 |
elmex |
1.1 |
} |
808 |
|
|
|
809 |
root |
1.16 |
static bool |
810 |
|
|
hth_skill_p (object *skill) |
811 |
|
|
{ |
812 |
root |
1.33 |
return (skill_flags [skill->subtype] & (SF_COMBAT | SF_NEED_WEAPON)) == SF_COMBAT; |
813 |
root |
1.16 |
} |
814 |
|
|
|
815 |
|
|
/* This finds the first unarmed skill the player has, and returns it. |
816 |
elmex |
1.1 |
*/ |
817 |
root |
1.9 |
static object * |
818 |
root |
1.16 |
find_player_hth_skill (object *op) |
819 |
elmex |
1.1 |
{ |
820 |
root |
1.16 |
for (object *tmp = op->inv; tmp; tmp = tmp->below) |
821 |
|
|
if (tmp->type == SKILL && QUERY_FLAG (tmp, FLAG_CAN_USE_SKILL) && hth_skill_p (tmp)) |
822 |
|
|
return tmp; |
823 |
elmex |
1.1 |
|
824 |
root |
1.16 |
return 0; |
825 |
elmex |
1.1 |
} |
826 |
|
|
|
827 |
|
|
/* do_skill_attack() - We have got an appropriate opponent from either |
828 |
|
|
* move_player_attack() or skill_attack(). In this part we get on with |
829 |
|
|
* attacking, take care of messages from the attack and changes in invisible. |
830 |
|
|
* Returns true if the attack damaged the opponent. |
831 |
|
|
* tmp is the targetted monster. |
832 |
|
|
* op is what is attacking |
833 |
|
|
* string is passed along to describe what messages to describe |
834 |
|
|
* the damage. |
835 |
|
|
*/ |
836 |
root |
1.9 |
static int |
837 |
|
|
do_skill_attack (object *tmp, object *op, const char *string, object *skill) |
838 |
|
|
{ |
839 |
|
|
if (INVOKE_OBJECT (SKILL_ATTACK, op, ARG_OBJECT (tmp), ARG_STRING (string), ARG_OBJECT (skill))) |
840 |
|
|
return RESULT_INT (0); |
841 |
|
|
|
842 |
|
|
/* For Players only: if there is no ready weapon, and no "attack" skill |
843 |
|
|
* is readied either then try to find a skill for the player to use. |
844 |
|
|
* it is presumed that if skill is set, it is a valid attack skill (eg, |
845 |
|
|
* the caller should have set it appropriately). We still want to pass |
846 |
|
|
* through that code if skill is set to change to the skill. |
847 |
|
|
*/ |
848 |
root |
1.35 |
if (player *pl = op->contr) |
849 |
root |
1.9 |
{ |
850 |
root |
1.63 |
if (skill) |
851 |
|
|
op->change_skill (skill); |
852 |
|
|
else |
853 |
root |
1.9 |
{ |
854 |
root |
1.63 |
if (!pl->combat_ob) |
855 |
root |
1.9 |
{ |
856 |
root |
1.63 |
if (QUERY_FLAG (op, FLAG_READY_WEAPON)) |
857 |
|
|
{ |
858 |
|
|
for (tmp = op->inv; tmp; tmp = tmp->below) |
859 |
|
|
if (tmp->type == WEAPON && QUERY_FLAG (tmp, FLAG_APPLIED)) |
860 |
|
|
break; |
861 |
root |
1.35 |
|
862 |
root |
1.63 |
if (!tmp) |
863 |
|
|
LOG (llevError, "Could not find applied weapon on %s\n", &op->name); |
864 |
root |
1.9 |
|
865 |
root |
1.63 |
pl->combat_ob = tmp; |
866 |
|
|
} |
867 |
root |
1.52 |
|
868 |
root |
1.63 |
if (!pl->combat_ob) |
869 |
root |
1.35 |
{ |
870 |
|
|
/* See if the players chosen skill is a combat skill, and use |
871 |
|
|
* it if appropriate. |
872 |
|
|
*/ |
873 |
|
|
if (op->chosen_skill && hth_skill_p (op->chosen_skill)) |
874 |
|
|
skill = op->chosen_skill; |
875 |
|
|
else |
876 |
root |
1.9 |
{ |
877 |
root |
1.35 |
skill = find_player_hth_skill (op); |
878 |
|
|
|
879 |
|
|
if (!skill) |
880 |
root |
1.52 |
new_draw_info (NDI_BLACK, 0, op, "You have no unarmed combat skills!"); |
881 |
root |
1.5 |
} |
882 |
root |
1.63 |
|
883 |
|
|
if (skill) |
884 |
|
|
{ |
885 |
|
|
op->change_skill (0); |
886 |
|
|
apply_special (op, skill, AP_APPLY); |
887 |
|
|
} |
888 |
root |
1.5 |
} |
889 |
root |
1.35 |
|
890 |
root |
1.63 |
if (!pl->combat_ob) |
891 |
root |
1.55 |
{ |
892 |
root |
1.63 |
LOG (llevError, "Could not find anything to attack on %s\n", &op->name); |
893 |
|
|
return 0; |
894 |
root |
1.55 |
} |
895 |
root |
1.5 |
} |
896 |
root |
1.16 |
|
897 |
root |
1.63 |
if (!op->change_weapon (pl->combat_ob)) |
898 |
|
|
return 0; |
899 |
root |
1.9 |
} |
900 |
root |
1.35 |
|
901 |
root |
1.38 |
/* lose invisiblity/hiding status for running attacks */ |
902 |
root |
1.35 |
if (pl->tmp_invis) |
903 |
|
|
{ |
904 |
|
|
pl->tmp_invis = 0; |
905 |
|
|
op->invisible = 0; |
906 |
root |
1.69 |
op->flag [FLAG_HIDDEN] = 0; |
907 |
root |
1.35 |
update_object (op, UP_OBJ_CHANGE); |
908 |
root |
1.5 |
} |
909 |
elmex |
1.1 |
} |
910 |
|
|
|
911 |
root |
1.31 |
int success = attack_ob (tmp, op); |
912 |
root |
1.9 |
|
913 |
|
|
/* print appropriate messages to the player */ |
914 |
|
|
|
915 |
root |
1.31 |
if (success && string && tmp && !QUERY_FLAG (tmp, FLAG_FREED)) |
916 |
root |
1.9 |
{ |
917 |
|
|
if (op->type == PLAYER) |
918 |
|
|
new_draw_info_format (NDI_UNIQUE, 0, op, "You %s %s!", string, query_name (tmp)); |
919 |
|
|
else if (tmp->type == PLAYER) |
920 |
|
|
new_draw_info_format (NDI_UNIQUE, 0, tmp, "%s %s you!", query_name (op), string); |
921 |
|
|
} |
922 |
root |
1.30 |
|
923 |
root |
1.9 |
return success; |
924 |
|
|
} |
925 |
elmex |
1.1 |
|
926 |
|
|
/* skill_attack() - Core routine for use when we attack using a skills |
927 |
|
|
* system. In essence, this code handles |
928 |
root |
1.63 |
* all skill-based attacks, i.e. hth, missile and melee weapons should be |
929 |
elmex |
1.1 |
* treated here. If an opponent is already supplied by move_player(), |
930 |
|
|
* we move right onto do_skill_attack(), otherwise we find if an |
931 |
|
|
* appropriate opponent exists. |
932 |
|
|
* |
933 |
|
|
* This is called by move_player() and attack_hth() |
934 |
|
|
* |
935 |
|
|
* Initial implementation by -bt thomas@astro.psu.edu |
936 |
|
|
*/ |
937 |
root |
1.9 |
int |
938 |
|
|
skill_attack (object *tmp, object *pl, int dir, const char *string, object *skill) |
939 |
|
|
{ |
940 |
|
|
sint16 tx, ty; |
941 |
root |
1.13 |
maptile *m; |
942 |
root |
1.9 |
int mflags; |
943 |
|
|
|
944 |
|
|
if (!dir) |
945 |
|
|
dir = pl->facing; |
946 |
root |
1.16 |
|
947 |
root |
1.9 |
tx = freearr_x[dir]; |
948 |
|
|
ty = freearr_y[dir]; |
949 |
|
|
|
950 |
|
|
/* If we don't yet have an opponent, find if one exists, and attack. |
951 |
|
|
* Legal opponents are the same as outlined in move_player_attack() |
952 |
|
|
*/ |
953 |
root |
1.31 |
if (!tmp) |
954 |
root |
1.9 |
{ |
955 |
|
|
m = pl->map; |
956 |
|
|
tx = pl->x + freearr_x[dir]; |
957 |
|
|
ty = pl->y + freearr_y[dir]; |
958 |
|
|
|
959 |
|
|
mflags = get_map_flags (m, &m, tx, ty, &tx, &ty); |
960 |
|
|
if (mflags & P_OUT_OF_MAP) |
961 |
|
|
return 0; |
962 |
|
|
|
963 |
|
|
/* space must be blocked for there to be anything interesting to do */ |
964 |
|
|
if (!OB_TYPE_MOVE_BLOCK (pl, GET_MAP_MOVE_BLOCK (m, tx, ty))) |
965 |
|
|
return 0; |
966 |
|
|
|
967 |
root |
1.21 |
for (tmp = GET_MAP_OB (m, tx, ty); tmp; tmp = tmp->above) |
968 |
root |
1.9 |
if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->stats.hp >= 0) || QUERY_FLAG (tmp, FLAG_CAN_ROLL) || tmp->type == LOCKED_DOOR) |
969 |
|
|
{ |
970 |
|
|
/* Don't attack party members */ |
971 |
|
|
if ((pl->type == PLAYER && tmp->type == PLAYER) && (pl->contr->party != NULL && pl->contr->party == tmp->contr->party)) |
972 |
|
|
return 0; |
973 |
root |
1.31 |
|
974 |
root |
1.9 |
break; |
975 |
|
|
} |
976 |
elmex |
1.1 |
} |
977 |
root |
1.31 |
|
978 |
root |
1.9 |
if (!tmp) |
979 |
|
|
{ |
980 |
|
|
if (pl->type == PLAYER) |
981 |
|
|
new_draw_info (NDI_UNIQUE, 0, pl, "There is nothing to attack!"); |
982 |
root |
1.31 |
|
983 |
root |
1.9 |
return 0; |
984 |
elmex |
1.1 |
} |
985 |
|
|
|
986 |
root |
1.9 |
return do_skill_attack (tmp, pl, string, skill); |
987 |
elmex |
1.1 |
} |
988 |
|
|
|
989 |
|
|
/* attack_hth() - this handles all hand-to-hand attacks -b.t. */ |
990 |
root |
1.9 |
|
991 |
elmex |
1.1 |
/* July 5, 1995 - I broke up attack_hth() into 2 parts. In the first |
992 |
|
|
* (attack_hth) we check for weapon use, etc in the second (the new |
993 |
|
|
* function skill_attack() we actually attack. |
994 |
|
|
*/ |
995 |
root |
1.9 |
static int |
996 |
|
|
attack_hth (object *pl, int dir, const char *string, object *skill) |
997 |
|
|
{ |
998 |
|
|
object *enemy = NULL, *weapon; |
999 |
elmex |
1.1 |
|
1000 |
root |
1.9 |
if (QUERY_FLAG (pl, FLAG_READY_WEAPON)) |
1001 |
|
|
for (weapon = pl->inv; weapon; weapon = weapon->below) |
1002 |
|
|
{ |
1003 |
|
|
if (weapon->type == WEAPON && QUERY_FLAG (weapon, FLAG_APPLIED)) |
1004 |
|
|
{ |
1005 |
|
|
CLEAR_FLAG (weapon, FLAG_APPLIED); |
1006 |
|
|
CLEAR_FLAG (pl, FLAG_READY_WEAPON); |
1007 |
root |
1.22 |
pl->update_stats (); |
1008 |
root |
1.9 |
if (pl->type == PLAYER) |
1009 |
|
|
{ |
1010 |
|
|
new_draw_info (NDI_UNIQUE, 0, pl, "You unwield your weapon in order to attack."); |
1011 |
|
|
esrv_update_item (UPD_FLAGS, pl, weapon); |
1012 |
|
|
} |
1013 |
root |
1.37 |
|
1014 |
root |
1.9 |
break; |
1015 |
|
|
} |
1016 |
|
|
} |
1017 |
root |
1.30 |
|
1018 |
root |
1.9 |
return skill_attack (enemy, pl, dir, string, skill); |
1019 |
elmex |
1.1 |
} |
1020 |
|
|
|
1021 |
|
|
/* attack_melee_weapon() - this handles melee weapon attacks -b.t. |
1022 |
|
|
* For now we are just checking to see if we have a ready weapon here. |
1023 |
|
|
* But there is a real neato possible feature of this scheme which |
1024 |
|
|
* bears mentioning: |
1025 |
|
|
* Since we are only calling this from do_skill() in the future |
1026 |
|
|
* we may make this routine handle 'special' melee weapons attacks |
1027 |
|
|
* (like disarming manuever with sai) based on player SK_level and |
1028 |
|
|
* weapon type. |
1029 |
|
|
*/ |
1030 |
root |
1.9 |
static int |
1031 |
|
|
attack_melee_weapon (object *op, int dir, const char *string, object *skill) |
1032 |
|
|
{ |
1033 |
elmex |
1.1 |
|
1034 |
root |
1.9 |
if (!QUERY_FLAG (op, FLAG_READY_WEAPON)) |
1035 |
|
|
{ |
1036 |
|
|
if (op->type == PLAYER) |
1037 |
|
|
new_draw_info (NDI_UNIQUE, 0, op, "You have no ready weapon to attack with!"); |
1038 |
root |
1.30 |
|
1039 |
root |
1.9 |
return 0; |
1040 |
elmex |
1.1 |
} |
1041 |
root |
1.30 |
|
1042 |
root |
1.9 |
return skill_attack (NULL, op, dir, string, skill); |
1043 |
root |
1.51 |
} |
1044 |
elmex |
1.1 |
|