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Comparing deliantra/server/server/attack.C (file contents):
Revision 1.78 by root, Mon Oct 22 03:11:46 2007 UTC vs.
Revision 1.121 by root, Wed Nov 11 03:52:45 2009 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 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
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 <assert.h> 25#include <assert.h>
25#include <global.h> 26#include <global.h>
26#include <living.h> 27#include <living.h>
… …
35 char *msg2; 36 char *msg2;
36} att_msg; 37} att_msg;
37 38
38/*#define ATTACK_DEBUG*/ 39/*#define ATTACK_DEBUG*/
39 40
40/* cancels object *op. Cancellation basically means an object loses
41 * its magical benefits.
42 */
43void
44cancellation (object *op)
45{
46 if (op->invisible)
47 return;
48
49 if (QUERY_FLAG (op, FLAG_ALIVE) || op->type == CONTAINER || op->type == THROWN_OBJ)
50 {
51 /* Recurse through the inventory */
52 for (object *tmp = op->inv; tmp; tmp = tmp->below)
53 if (!did_make_save_item (tmp, AT_CANCELLATION, op))
54 cancellation (tmp);
55 }
56 else if (FABS (op->magic) <= rndm (0, 5))
57 {
58 /* Nullify this object. This code could probably be more complete */
59 /* in what abilities it should cancel */
60 op->magic = 0;
61
62 CLEAR_FLAG (op, FLAG_DAMNED);
63 CLEAR_FLAG (op, FLAG_CURSED);
64 CLEAR_FLAG (op, FLAG_KNOWN_MAGICAL);
65 CLEAR_FLAG (op, FLAG_KNOWN_CURSED);
66
67 if (op->env && op->env->type == PLAYER)
68 esrv_send_item (op->env, op);
69 }
70}
71
72/* did_make_save_item just checks to make sure the item actually 41/* did_make_save_item just checks to make sure the item actually
73 * made its saving throw based on the tables. It does not take 42 * made its saving throw based on the tables. It does not take
74 * any further action (like destroying the item). 43 * any further action (like destroying the item).
75 */ 44 */
76int 45static int
77did_make_save_item (object *op, int type, object *originator) 46did_make_save_item (object *op, uint32_t type, object *originator)
78{ 47{
79 int i, roll, saves = 0, attacks = 0, number; 48 int saves = 0, attacks = 0;
80 materialtype_t *mt; 49 materialtype_t *mt = op->material;
81 50
82 if (op->materialname == NULL) 51 // destroying objects without material has many bad effects
83 { 52 if (mt == MATERIAL_NULL)
84 for (mt = materialt; mt != NULL && mt->next != NULL; mt = mt->next)
85 if (op->materials & mt->material)
86 break;
87 }
88 else
89 mt = name_to_material (op->materialname);
90
91 if (!mt)
92 return TRUE; 53 return 1;
93 54
94 roll = rndm (1, 20); 55 int roll = rndm (1, 20);
95 56
96 /* the attacktypes have no meaning for object saves 57 /* the attacktypes have no meaning for object saves
97 * If the type is only magic, don't adjust type - basically, if 58 * If the type is only magic, don't adjust type - basically, if
98 * pure magic is hitting an object, it should save. However, if it 59 * pure magic is hitting an object, it should save. However, if it
99 * is magic teamed with something else, then strip out the 60 * is magic teamed with something else, then strip out the
100 * magic type, and instead let the fire, cold, or whatever component 61 * magic type, and instead let the fire, cold, or whatever component
101 * destroy the item. Otherwise, you get the case of poisoncloud 62 * destroy the item. Otherwise, you get the case of poisoncloud
102 * destroying objects because it has magic attacktype. 63 * destroying objects because it has magic attacktype.
103 */ 64 */
104 if (type != AT_MAGIC) 65 if (type != AT_MAGIC)
105 type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW | 66 type &= ~(AT_CONFUSION | AT_DRAIN | AT_GHOSTHIT | AT_POISON | AT_SLOW |
106 AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH | 67 AT_PARALYZE | AT_TURN_UNDEAD | AT_FEAR | AT_DEPLETE | AT_DEATH |
107 AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC); 68 AT_COUNTERSPELL | AT_HOLYWORD | AT_BLIND | AT_LIFE_STEALING | AT_MAGIC);
108 69
109 if (type == 0)
110 return TRUE;
111 if (roll == 20)
112 return TRUE;
113 if (roll == 1)
114 return FALSE;
115 70
116 for (number = 0; number < NROFATTACKS; number++) 71 if (type == 0) return TRUE;
72
73 if (roll == 20) return TRUE;
74 if (roll == 1) return FALSE;
75
76 for_all_bits_sparse_32 (type, number)
117 { 77 {
118 i = 1 << number;
119 if (!(i & type))
120 continue;
121 attacks++; 78 attacks++;
79
122 if (op->resist[number] == 100) 80 if (op->resist[number] == 100)
123 saves++; 81 saves++;
124 else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100) 82 else if (roll >= mt->save[number] - op->magic - op->resist[number] / 100)
125 saves++; 83 saves++;
126 else if ((20 - mt->save[number]) / 3 > originator->stats.dam) 84 else if ((20 - mt->save[number]) / 3 > originator->stats.dam)
… …
134 return FALSE; 92 return FALSE;
135 93
136 return TRUE; 94 return TRUE;
137} 95}
138 96
97/* cancels object *op. Cancellation basically means an object loses
98 * its magical benefits.
99 */
100void
101cancellation (object *op)
102{
103 if (op->invisible)
104 return;
105
106 if (QUERY_FLAG (op, FLAG_ALIVE) || op->type == CONTAINER || op->type == THROWN_OBJ)
107 {
108 /* Recurse through the inventory */
109 for (object *tmp = op->inv; tmp; tmp = tmp->below)
110 if (!did_make_save_item (tmp, AT_CANCELLATION, op))
111 cancellation (tmp);
112 }
113 else if (fabs (op->magic) <= rndm (0, 5))
114 {
115 /* Nullify this object. This code could probably be more complete */
116 /* in what abilities it should cancel */
117 op->magic = 0;
118
119 CLEAR_FLAG (op, FLAG_DAMNED);
120 CLEAR_FLAG (op, FLAG_CURSED);
121 CLEAR_FLAG (op, FLAG_KNOWN_MAGICAL);
122 CLEAR_FLAG (op, FLAG_KNOWN_CURSED);
123
124 if (object *pl = op->visible_to ())
125 esrv_update_item (UPD_FLAGS, pl, op);
126 }
127}
128
139/* This function calls did_make_save_item. It then performs the 129/* This function calls did_make_save_item. It then performs the
140 * appropriate actions to the item (such as burning the item up, 130 * appropriate actions to the item (such as burning the item up,
141 * calling cancellation, etc.) 131 * calling cancellation, etc.)
142 */ 132 */
143void 133void
… …
148 object *env = op->env; 138 object *env = op->env;
149 int x = op->x, y = op->y; 139 int x = op->x, y = op->y;
150 maptile *m = op->map; 140 maptile *m = op->map;
151 141
152 op = stop_item (op); 142 op = stop_item (op);
153 if (op == NULL) 143 if (!op)
154 return; 144 return;
155 145
156 /* Hacked the following so that type LIGHTER will work. 146 /* Hacked the following so that type LIGHTER will work.
157 * Also, objects which are potenital "lights" that are hit by 147 * Also, objects which are potential "lights" that are hit by
158 * flame/elect attacks will be set to glow. "lights" are any 148 * flame/elect attacks will be set to glow. "lights" are any
159 * object with +/- glow_radius and an "other_arch" to change to. 149 * object with +/- glow_radius and an "other_arch" to change to.
160 * (and please note that we cant fail our save and reach this 150 * (and please note that we cant fail our save and reach this
161 * function if the object doesnt contain a material that can burn. 151 * function if the object doesnt contain a material that can burn.
162 * So forget lighting magical swords on fire with this!) -b.t. 152 * So forget lighting magical swords on fire with this!) -b.t.
163 */ 153 */
164 if (type & (AT_FIRE | AT_ELECTRICITY) && op->other_arch && QUERY_FLAG (op, FLAG_IS_LIGHTABLE)) 154 if (type & (AT_FIRE | AT_ELECTRICITY))
165 { 155 {
166 const char *arch = op->other_arch->archname; 156 // seems LAMPs and TORCHes are always IS_LIGHTABLE?
167 157 if (op->type == LAMP || op->type == TORCH)
168 op = decrease_ob_nr (op, 1);
169
170 if (op)
171 fix_stopped_item (op, m, originator);
172
173 if ((op = get_archetype (arch)) != NULL)
174 { 158 {
175 if (env) 159 apply_lamp (op, true); // turn on a lamp
160 return;
161 }
162 else if (op->flag [FLAG_IS_LIGHTABLE])
163 {
164 if (op->other_arch)
176 { 165 {
177 op->x = env->x, op->y = env->y; 166 const char *arch = op->other_arch->archname;
178 insert_ob_in_ob (op, env); 167
168 if (op->decrease ())
169 fix_stopped_item (op, m, originator);
170
171 if ((op = archetype::get (arch)))
172 {
179 if (env->contr) 173 if (env)
180 esrv_send_item (env, op); 174 env->insert (op);
175 else
176 m->insert (op, x, y, originator);
177 }
181 } 178 }
179
182 else 180 return;
183 {
184 op->x = x, op->y = y;
185 insert_ob_in_map (op, m, originator, 0);
186 }
187 } 181 }
188
189 return;
190 } 182 }
191 183
192 if (type & AT_CANCELLATION) 184 if (type & AT_CANCELLATION)
193 { /* Cancellation. */ 185 { /* Cancellation. */
194 cancellation (op); 186 cancellation (op);
195 fix_stopped_item (op, m, originator); 187 fix_stopped_item (op, m, originator);
188
196 return; 189 return;
197 }
198
199 if (op->nrof > 1)
200 {
201 op = decrease_ob_nr (op, rndm (0, op->nrof - 1));
202
203 if (op)
204 fix_stopped_item (op, m, originator);
205 }
206 else
207 {
208 if (op->env)
209 {
210 object *tmp = op->in_player ();
211
212 if (tmp)
213 esrv_del_item (tmp->contr, op->count);
214 }
215
216 op->destroy ();
217 } 190 }
218 191
219 if (type & (AT_FIRE | AT_ELECTRICITY)) 192 if (type & (AT_FIRE | AT_ELECTRICITY))
220 if (env) 193 if (env)
221 { 194 {
222 op = get_archetype ("burnout"); 195 object *op = archetype::get (shstr_burnout);
223 op->x = env->x, op->y = env->y; 196 op->x = env->x, op->y = env->y;
224 insert_ob_in_ob (op, env); 197 env->insert (op);
225 } 198 }
226 else 199 else
227 replace_insert_ob_in_map ("burnout", originator); 200 replace_insert_ob_in_map (shstr_burnout, originator);
201
202 if (op->nrof > 1)
203 {
204 if (op->decrease (rndm (0, op->nrof - 1)))
205 fix_stopped_item (op, m, originator);
206 }
207 else
208 {
209 // drop everything to the ground, if possible
210 op->insert_at (originator);
211 op->drop_and_destroy ();
212 }
228 213
229 return; 214 return;
230 } 215 }
231 216
232 /* The value of 50 is arbitrary. */ 217 /* The value of 50 is arbitrary. */
233 if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && (RANDOM () & 2)) 218 if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && rndm (2))
234 { 219 {
235 object *tmp;
236 archetype *at = archetype::find ("icecube"); 220 archetype *at = archetype::find (shstr_icecube);
237 221
238 if (at == NULL) 222 if (at == NULL)
239 return; 223 return;
240 224
241 op = stop_item (op); 225 op = stop_item (op);
242 if (op == NULL) 226 if (op == NULL)
243 return; 227 return;
244 228
245 if ((tmp = present_arch (at, op->map, op->x, op->y)) == NULL) 229 object *tmp = present_arch (at, op->map, op->x, op->y);
230 if (!tmp)
246 { 231 {
247 tmp = arch_to_object (at); 232 tmp = arch_to_object (at);
248 tmp->x = op->x, tmp->y = op->y; 233 tmp->x = op->x, tmp->y = op->y;
249 /* This was in the old (pre new movement code) - 234 /* This was in the old (pre new movement code) -
250 * icecubes have slow_move set to 1 - don't want 235 * icecubes have slow_move set to 1 - don't want
… …
253 tmp->move_slow_penalty = 0; 238 tmp->move_slow_penalty = 0;
254 tmp->move_slow = 0; 239 tmp->move_slow = 0;
255 insert_ob_in_map (tmp, op->map, originator, 0); 240 insert_ob_in_map (tmp, op->map, originator, 0);
256 } 241 }
257 242
258 if (!QUERY_FLAG (op, FLAG_REMOVED)) 243 tmp->insert (op);
259 op->remove ();
260
261 insert_ob_in_ob (op, tmp);
262 return; 244 return;
263 } 245 }
264} 246}
265 247
266/* Object op is hitting the map. 248/* Object op is hitting the map.
… …
268 * type is the attacktype of the object. 250 * type is the attacktype of the object.
269 * full_hit is set if monster area does not matter. 251 * full_hit is set if monster area does not matter.
270 * returns 1 if it hits something, 0 otherwise. 252 * returns 1 if it hits something, 0 otherwise.
271 */ 253 */
272int 254int
273hit_map (object *op, int dir, int type, int full_hit) 255hit_map (object *op, int dir, uint32_t type, int full_hit)
274{ 256{
275 maptile *map; 257 maptile *map;
276 sint16 x, y; 258 sint16 x, y;
277 int retflag = 0; /* added this flag.. will return 1 if it hits a monster */ 259 int retflag = 0; /* added this flag.. will return 1 if it hits a monster */
278 260
… …
295 } 277 }
296 278
297 if (op->head) 279 if (op->head)
298 op = op->head; 280 op = op->head;
299 281
300 map = op->map; 282 mapxy pos (op);
301 x = op->x + freearr_x[dir]; 283 pos.move (dir);
302 y = op->y + freearr_y[dir];
303 284
304 if (!xy_normalise (map, x, y)) 285 if (!pos.normalise ())
305 return 0; 286 return 0;
306 287
307 // elmex: a safe map tile can't be hit! 288 // elmex: a safe map tile can't be hit!
308 // this should prevent most harmful effects on items and players there. 289 // this should prevent most harmful effects on items and players there.
309 mapspace &ms = map->at (x, y); 290 mapspace &ms = pos.ms ();
310 291
311 if (ms.flags () & P_SAFE) 292 if (ms.flags () & P_SAFE)
312 return 0; 293 return 0;
313 294
314 /* peterm: a few special cases for special attacktypes --counterspell 295 /* peterm: a few special cases for special attacktypes --counterspell
… …
352 333
353 /* Something could have happened to 'tmp' while 'tmp->below' was processed. 334 /* Something could have happened to 'tmp' while 'tmp->below' was processed.
354 * For example, 'tmp' was put in an icecube. 335 * For example, 'tmp' was put in an icecube.
355 * This is one of the few cases where on_same_map should not be used. 336 * This is one of the few cases where on_same_map should not be used.
356 */ 337 */
357 if (tmp->map != map || tmp->x != x || tmp->y != y) 338 if (tmp->map != pos.m || tmp->x != pos.x || tmp->y != pos.y)
358 continue; 339 continue;
359 340
360 if (QUERY_FLAG (tmp, FLAG_ALIVE)) 341 if (QUERY_FLAG (tmp, FLAG_ALIVE))
361 { 342 {
362 hit_player (tmp, op->stats.dam, op, type, full_hit); 343 hit_player (tmp, op->stats.dam, op, type, full_hit);
… …
369 * NO_PASS set, it is also immune - you can't destroy walls. Note 350 * NO_PASS set, it is also immune - you can't destroy walls. Note
370 * that weak walls have is_alive set, which prevent objects from 351 * that weak walls have is_alive set, which prevent objects from
371 * passing over/through them. We don't care what type of movement 352 * passing over/through them. We don't care what type of movement
372 * the wall blocks - if it blocks any type of movement, can't be 353 * the wall blocks - if it blocks any type of movement, can't be
373 * destroyed right now. 354 * destroyed right now.
355 * Without the material check the server completely fails to work,
356 * objects detsroy themselves, floors get destroyed etc. etc.
374 */ 357 */
375 else if (tmp->materialname && op->stats.dam > 0 && !tmp->move_block) 358 else if (op->stats.dam > 0 && !tmp->move_block && tmp->material != MATERIAL_NULL)
376 { 359 {
377 save_throw_object (tmp, type, op); 360 save_throw_object (tmp, type, op);
378 361
379 if (op->destroyed ()) 362 if (op->destroyed ())
380 break; 363 break;
… …
382 } 365 }
383 366
384 return 0; 367 return 0;
385} 368}
386 369
387void 370static void
388attack_message (int dam, int type, object *op, object *hitter) 371attack_message (int dam, int type, object *op, object *hitter)
389{ 372{
390 char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF]; 373 char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];
391 int i, found = 0; 374 int i, found = 0;
392 maptile *map; 375 maptile *map;
… …
394 377
395 /* put in a few special messages for some of the common attacktypes 378 /* put in a few special messages for some of the common attacktypes
396 * a player might have. For example, fire, electric, cold, etc 379 * a player might have. For example, fire, electric, cold, etc
397 * [garbled 20010919] 380 * [garbled 20010919]
398 */ 381 */
399
400 if (dam == 9998 && op->type == DOOR) 382 if (dam == 9998 && op->type == DOOR)
401 { 383 {
402 sprintf (buf1, "unlock %s", &op->name); 384 sprintf (buf1, "unlock %s", &op->name);
403 sprintf (buf2, " unlocks"); 385 sprintf (buf2, " unlocks");
404 found++; 386 found++;
405 } 387 }
406 if (dam < 0) 388 else if (dam < 0)
407 { 389 {
408 sprintf (buf1, "hit %s", &op->name); 390 sprintf (buf1, "hit %s", &op->name);
409 sprintf (buf2, " hits"); 391 sprintf (buf2, " hits");
410 found++; 392 found++;
411 } 393 }
… …
533 strcpy (buf2, attack_mess[ATM_FIRE][i].buf3); 515 strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);
534 found++; 516 found++;
535 break; 517 break;
536 } 518 }
537 } 519 }
538 else if (hitter->current_weapon != NULL) 520 else if (hitter->current_weapon)
539 { 521 {
540 int mtype; 522 int mtype;
541 523
542 switch (hitter->current_weapon->weapontype) 524 switch (hitter->current_weapon->weapontype)
543 { 525 {
544 case WEAP_HIT: 526 case WEAP_HIT:
545 mtype = ATM_BASIC; 527 mtype = ATM_BASIC;
546 break; 528 break;
547 case WEAP_SLASH: 529 case WEAP_SLASH:
548 mtype = ATM_SLASH; 530 mtype = ATM_SLASH;
549 break; 531 break;
550 case WEAP_PIERCE: 532 case WEAP_PIERCE:
551 mtype = ATM_PIERCE; 533 mtype = ATM_PIERCE;
552 break; 534 break;
553 case WEAP_CLEAVE: 535 case WEAP_CLEAVE:
554 mtype = ATM_CLEAVE; 536 mtype = ATM_CLEAVE;
555 break; 537 break;
556 case WEAP_SLICE: 538 case WEAP_SLICE:
557 mtype = ATM_SLICE; 539 mtype = ATM_SLICE;
558 break; 540 break;
559 case WEAP_STAB: 541 case WEAP_STAB:
560 mtype = ATM_STAB; 542 mtype = ATM_STAB;
561 break; 543 break;
562 case WEAP_WHIP: 544 case WEAP_WHIP:
563 mtype = ATM_WHIP; 545 mtype = ATM_WHIP;
564 break; 546 break;
565 case WEAP_CRUSH: 547 case WEAP_CRUSH:
566 mtype = ATM_CRUSH; 548 mtype = ATM_CRUSH;
567 break; 549 break;
568 case WEAP_BLUD: 550 case WEAP_BLUD:
569 mtype = ATM_BLUD; 551 mtype = ATM_BLUD;
570 break; 552 break;
571 default: 553 default:
572 mtype = ATM_BASIC; 554 mtype = ATM_BASIC;
573 break; 555 break;
574 } 556 }
557
575 for (i = 0; i < MAXATTACKMESS && attack_mess[mtype][i].level != -1; i++) 558 for (i = 0; i < MAXATTACKMESS && attack_mess[mtype][i].level != -1; i++)
576 if (dam < attack_mess[mtype][i].level || attack_mess[mtype][i + 1].level == -1) 559 if (dam < attack_mess[mtype][i].level || attack_mess[mtype][i + 1].level == -1)
577 { 560 {
578 sprintf (buf1, "%s %s%s", attack_mess[mtype][i].buf1, &op->name, attack_mess[mtype][i].buf2); 561 sprintf (buf1, "%s %s%s", attack_mess[mtype][i].buf1, &op->name, attack_mess[mtype][i].buf2);
579 strcpy (buf2, attack_mess[mtype][i].buf3); 562 strcpy (buf2, attack_mess[mtype][i].buf3);
… …
680 op->play_sound (sound_find ("player_hits4")); 663 op->play_sound (sound_find ("player_hits4"));
681 new_draw_info (NDI_BLACK, 0, hitter->owner, buf); 664 new_draw_info (NDI_BLACK, 0, hitter->owner, buf);
682 } 665 }
683} 666}
684 667
685
686static int 668static int
687get_attack_mode (object **target, object **hitter, int *simple_attack) 669get_attack_mode (object **target, object **hitter, int *simple_attack)
688{ 670{
689 if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED)) 671 if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))
690 { 672 {
691 LOG (llevError, "BUG: get_attack_mode(): freed object\n"); 673 LOG (llevError, "BUG: get_attack_mode(): freed object\n");
692 return 1; 674 return 1;
693 } 675 }
694 676
695 if ((*target)->head)
696 *target = (*target)->head; 677 *target = (*target)->head_ ();
697
698 if ((*hitter)->head)
699 *hitter = (*hitter)->head; 678 *hitter = (*hitter)->head_ ();
700 679
680 if ((*target)->type == LOCKED_DOOR)
681 return 1; // locked doors cannot be hit
682
701 if ((*hitter)->env != NULL || (*target)->env != NULL) 683 if ((*hitter)->env || (*target)->env)
702 { 684 {
703 *simple_attack = 1; 685 *simple_attack = 1;
704 return 0; 686 return 0;
705 } 687 }
706 688
… …
719} 701}
720 702
721static int 703static int
722abort_attack (object *target, object *hitter, int simple_attack) 704abort_attack (object *target, object *hitter, int simple_attack)
723{ 705{
724
725/* Check if target and hitter are still in a relation similar to the one 706 /* Check if target and hitter are still in a relation similar to the one
726 * determined by get_attack_mode(). Returns true if the relation has changed. 707 * determined by get_attack_mode(). Returns true if the relation has changed.
727 */ 708 */
728 int new_mode; 709 int new_mode;
729 710
730 if (hitter->env == target || target->env == hitter) 711 if (hitter->env == target || target->env == hitter)
731 new_mode = 1; 712 new_mode = 1;
732 else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED) || hitter->map == NULL || !on_same_map (hitter, target)) 713 else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED)
714 || hitter->map == NULL || !on_same_map (hitter, target))
733 return 1; 715 return 1;
734 else 716 else
735 new_mode = 0; 717 new_mode = 0;
718
736 return new_mode != simple_attack; 719 return new_mode != simple_attack;
737} 720}
738 721
722/* thrown_item_effect() - handles any special effects of thrown
723 * items (like attacking living creatures--a potion thrown at a
724 * monster).
725 */
726static void
739static void thrown_item_effect (object *, object *); 727thrown_item_effect (object *hitter, object *victim)
728{
729 if (!QUERY_FLAG (hitter, FLAG_ALIVE))
730 {
731 /* May not need a switch for just 2 types, but this makes it
732 * easier for expansion.
733 */
734 switch (hitter->type)
735 {
736 case POTION:
737 /* should player get a save throw instead of checking magic protection? */
738 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
739 (void) apply_potion (victim, hitter);
740 break;
741
742 case POISON: /* poison drinks */
743 /* As with potions, should monster get a save? */
744 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
745 apply_poison (victim, hitter);
746 break;
747
748 /* Removed case statements that did nothing.
749 * food may be poisonous, but monster must be willing to eat it,
750 * so we don't handle it here.
751 * Containers should perhaps break open, but that code was disabled.
752 */
753 }
754 }
755}
756
757/* determine if the object is an 'aimed' missile */
758static int
759is_aimed_missile (object *op)
760{
761
762 /* I broke what used to be one big if into a few nested
763 * ones so that figuring out the logic is at least possible.
764 */
765 if (op && (op->move_type & MOVE_FLYING))
766 if (op->type == ARROW || op->type == THROWN_OBJ)
767 return 1;
768 else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
769 return 1;
770
771 return 0;
772}
773/* adj_attackroll() - adjustments to attacks by various conditions */
774static int
775adj_attackroll (object *hitter, object *target)
776{
777 object *attacker = hitter;
778 int adjust = 0;
779
780 /* safety */
781 if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
782 {
783 LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
784 return 0;
785 }
786
787 /* aimed missiles use the owning object's sight */
788 if (is_aimed_missile (hitter))
789 {
790 if ((attacker = hitter->owner) == NULL)
791 attacker = hitter;
792 /* A player who saves but hasn't quit still could have objects
793 * owned by him - need to handle that case to avoid crashes.
794 */
795 if (QUERY_FLAG (attacker, FLAG_REMOVED))
796 attacker = hitter;
797 }
798 else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
799 return 0;
800
801 /* determine the condtions under which we make an attack.
802 * Add more cases, as the need occurs. */
803
804 if (!can_see_enemy (attacker, target))
805 {
806 /* target is unseen */
807 if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
808 adjust -= 10;
809 /* dark map penalty for the hitter (lacks infravision if we got here). */
810 else if (!stand_in_light (target))
811 adjust -= target->map->darklevel ();
812 }
813
814 if (QUERY_FLAG (attacker, FLAG_SCARED))
815 adjust -= 3;
816
817 if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
818 adjust += 1;
819
820 if (QUERY_FLAG (target, FLAG_SCARED))
821 adjust += 1;
822
823 if (QUERY_FLAG (attacker, FLAG_CONFUSED))
824 adjust -= 3;
825
826 /* if we attack at a different 'altitude' its harder */
827 if ((attacker->move_type & target->move_type) == 0)
828 adjust -= 2;
829
830#if 0
831 /* slower attacks are less likely to succeed. We should use a
832 * comparison between attacker/target speeds BUT, players have
833 * a generally faster speed, so this will wind up being a HUGE
834 * disadantage for the monsters! Too bad, because missiles which
835 * fly fast should have a better chance of hitting a slower target.
836 */
837 if (hitter->speed < target->speed)
838 adjust += ((float) hitter->speed - target->speed);
839#endif
840
841#if 0
842 LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
843#endif
844
845 return adjust;
846}
740 847
741static int 848static int
742attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc) 849attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)
743{ 850{
744 int simple_attack, roll, dam = 0; 851 int simple_attack, roll, dam = 0;
… …
798 * for help. */ 905 * for help. */
799 if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int)) 906 if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))
800 npc_call_help (op); 907 npc_call_help (op);
801 908
802 /* if you were hidden and hit by a creature, you are discovered */ 909 /* if you were hidden and hit by a creature, you are discovered */
803 if (op->hide && QUERY_FLAG (hitter, FLAG_ALIVE)) 910 if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])
804 { 911 {
805 make_visible (op); 912 make_visible (op);
806 913
807 if (op->type == PLAYER) 914 if (op->type == PLAYER)
808 new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. " "You are no longer hidden!"); 915 new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. You are no longer hidden!");
809 } 916 }
810 917
811 /* thrown items (hitter) will have various effects 918 /* thrown items (hitter) will have various effects
812 * when they hit the victim. For things like thrown daggers, 919 * when they hit the victim. For things like thrown daggers,
813 * this sets 'hitter' to the actual dagger, and not the 920 * this sets 'hitter' to the actual dagger, and not the
… …
825 if (hitdam <= 0) 932 if (hitdam <= 0)
826 hitdam = 1; 933 hitdam = 1;
827 934
828 type = hitter->attacktype; 935 type = hitter->attacktype;
829 936
937 /* Ok, because some of the brainfucks of the good *sigh* old *sigh*
938 * Crossfire we have to default the attacktype here to AT_PHYSICAL.
939 * This check is important for the most simple monsters out there in the
940 * game content (maps, archs). For example orcs: They would have
941 * no attacktype at all.
942 *
943 * Some time in the future someone should just go into the game data
944 * and fix every monster out there ;-/ Until then we will kill some
945 * more trees in the african rain forests with this check.
946 */
830 if (!type) 947 if (!type)
831 type = AT_PHYSICAL; 948 type = AT_PHYSICAL;
832 949
833 /* Handle monsters that hit back */ 950 /* Handle monsters that hit back */
834 if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE)) 951 if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))
… …
885 * debate - 5000 is 5 kg, so arrows, knives, and other light weapons 1002 * debate - 5000 is 5 kg, so arrows, knives, and other light weapons
886 * stick around. 1003 * stick around.
887 */ 1004 */
888 if (op->weight <= 5000 && tmp->stats.hp >= 0) 1005 if (op->weight <= 5000 && tmp->stats.hp >= 0)
889 { 1006 {
890 tmp = tmp->head_ (); 1007 tmp->head_ ()->insert (op);
891
892 op->remove ();
893 op = insert_ob_in_ob (op, tmp);
894
895 if (tmp->type == PLAYER)
896 esrv_send_item (tmp, op);
897
898 return 1; 1008 return 1;
899 } 1009 }
900 else 1010 else
901 return 0; 1011 return 0;
902} 1012}
… …
916 /* Disassemble missile */ 1026 /* Disassemble missile */
917 if (op->inv) 1027 if (op->inv)
918 { 1028 {
919 container = op; 1029 container = op;
920 hitter = op->inv; 1030 hitter = op->inv;
921 hitter->remove ();
922 insert_ob_in_map (hitter, container->map, hitter, INS_NO_MERGE | INS_NO_WALK_ON); 1031 hitter->insert_at (container, hitter, INS_NO_MERGE | INS_NO_WALK_ON);
923 /* Note that we now have an empty THROWN_OBJ on the map. Code that 1032 /* Note that we now have an empty THROWN_OBJ on the map. Code that
924 * might be called until this THROWN_OBJ is either reassembled or 1033 * might be called until this THROWN_OBJ is either reassembled or
925 * removed at the end of this function must be able to deal with empty 1034 * removed at the end of this function must be able to deal with empty
926 * THROWN_OBJs. */ 1035 * THROWN_OBJs. */
927 } 1036 }
… …
941 * other places as well!) 1050 * other places as well!)
942 */ 1051 */
943 if (hitter->destroyed () || hitter->env != NULL) 1052 if (hitter->destroyed () || hitter->env != NULL)
944 { 1053 {
945 if (container) 1054 if (container)
946 {
947 container->remove ();
948 container->destroy (); 1055 container->destroy ();
949 }
950 1056
951 return 0; 1057 return 0;
952 } 1058 }
953 1059
954 /* Missile hit victim */ 1060 /* Missile hit victim */
… …
978 * can fly over but not otherwise move over. What is the correct 1084 * can fly over but not otherwise move over. What is the correct
979 * way to handle those otherwise? 1085 * way to handle those otherwise?
980 */ 1086 */
981 if (victim->x != hitter->x || victim->y != hitter->y) 1087 if (victim->x != hitter->x || victim->y != hitter->y)
982 { 1088 {
1089 if (victim->destroyed ())
1090 hitter->destroy ();
1091 else
1092 {
983 hitter->remove (); 1093 hitter->remove ();
984 hitter->x = victim->x; 1094 hitter->x = victim->x;
985 hitter->y = victim->y; 1095 hitter->y = victim->y;
986 insert_ob_in_map (hitter, victim->map, hitter, 0); 1096 insert_ob_in_map (hitter, victim->map, hitter, 0);
1097 }
987 } 1098 }
988 else 1099 else
989 /* Else leave arrow where it is */ 1100 /* Else leave arrow where it is */
990 merge_ob (hitter, NULL); 1101 merge_ob (hitter, NULL);
991 1102
… …
1003 } 1114 }
1004 1115
1005 return op; 1116 return op;
1006} 1117}
1007 1118
1008void 1119static void
1009tear_down_wall (object *op) 1120tear_down_wall (object *op)
1010{ 1121{
1011 int perc = 0;
1012
1013 if (!op->stats.maxhp) 1122 if (!op->stats.maxhp)
1014 {
1015 LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name); 1123 LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);
1016 perc = 1; 1124 else if (!op->has_anim ())
1017 }
1018 else if (!GET_ANIM_ID (op))
1019 { 1125 {
1020 /* Object has been called - no animations, so remove it */ 1126 /* Object has been called - no animations, so remove it */
1021 if (op->stats.hp < 0) 1127 if (op->stats.hp < 0)
1022 op->destroy (); 1128 op->destroy ();
1023 1129
1024 return; /* no animations, so nothing more to do */ 1130 return; /* no animations, so nothing more to do */
1025 } 1131 }
1026 1132
1027 perc = NUM_ANIMATIONS (op) - ((int) NUM_ANIMATIONS (op) * op->stats.hp) / op->stats.maxhp; 1133 // we use frames 1..num-2 as intermediate frames, so
1134 // the last frame is used only when hp < 0.
1135 int perc = clamp (
1136 lerp_ru<int> (op->stats.hp, 0, op->stats.maxhp, op->anim_frames () - 2, 0),
1137 0, op->anim_frames () - 1
1138 );
1028 1139
1029 if (perc >= (int) NUM_ANIMATIONS (op)) 1140 op->set_anim_frame (perc);
1030 perc = NUM_ANIMATIONS (op) - 1;
1031 else if (perc < 1)
1032 perc = 1;
1033
1034 SET_ANIMATION (op, perc);
1035 update_object (op, UP_OBJ_FACE); 1141 update_object (op, UP_OBJ_FACE);
1036 1142
1037 if (perc == NUM_ANIMATIONS (op) - 1) 1143 if (op->stats.hp < 0)
1038 { /* Reached the last animation */ 1144 { /* Reached the last animation */
1039 if (op->face == blank_face) 1145 if (op->face == blank_face)
1040 /* If the last face is blank, remove the ob */ 1146 /* If the last face is blank, remove the ob */
1041 op->destroy (); 1147 op->destroy ();
1042 else 1148 else
1043 { /* The last face was not blank, leave an image */ 1149 { /* The last face was not blank, leave an image */
1044 CLEAR_FLAG (op, FLAG_BLOCKSVIEW); 1150 op->flag [FLAG_BLOCKSVIEW] = false;
1045 update_all_los (op->map, op->x, op->y); 1151 update_all_los (op->map, op->x, op->y);
1046 op->move_block = 0; 1152 op->move_block = 0;
1047 CLEAR_FLAG (op, FLAG_ALIVE); 1153 op->flag [FLAG_ALIVE] = false;
1048 } 1154 }
1049 } 1155 }
1050} 1156}
1051 1157
1052void 1158static void
1053scare_creature (object *target, object *hitter) 1159scare_creature (object *target, object *hitter)
1054{ 1160{
1055 object *owner = hitter->owner; 1161 target->flag [FLAG_SCARED] = true;
1056 1162
1163 if (!target->enemy)
1164 target->enemy = hitter->outer_owner ();
1165}
1166
1167/* GROS: This code comes from hit_player. It has been made external to
1168 * allow script procedures to "kill" objects in a combat-like fashion.
1169 * It was initially used by (kill-object) developed for the Collector's
1170 * Sword. Note that nothing has been changed from the original version
1171 * of the following code.
1172 * op is what is being killed.
1173 * dam is the damage done to it.
1174 * hitter is what is hitting it.
1175 * type is the attacktype.
1176 *
1177 * This function was a bit of a mess with hitter getting changed,
1178 * values being stored away but not used, etc. I've cleaned it up
1179 * a bit - I think it should be functionally equivalant.
1180 * MSW 2002-07-17
1181 */
1182int
1183kill_object (object *op, int dam, object *hitter, int type)
1184{
1185 char buf[MAX_BUF];
1186 shstr skill;
1187 int maxdam = 0;
1188 int battleg = 0; /* true if op standing on battleground */
1189 int pk = 0; /* true if op and what controls hitter are both players */
1190 object *owner = 0;
1191 object *skop = 0;
1192
1193 if (op->stats.hp >= 0)
1194 return -1;
1195
1196 if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1197 return 0;
1198
1199 /* maxdam needs to be the amount of damage it took to kill
1200 * this creature. The function(s) that call us have already
1201 * adjusted the creatures HP total, so that is negative.
1202 */
1203 maxdam = dam + op->stats.hp + 1;
1204
1205 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1206 update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1207
1208 if (op->type == DOOR)
1209 {
1210 op->set_speed (0.1f);
1211 op->speed_left = -0.05f;
1212 return maxdam;
1213 }
1214
1215 if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1216 {
1217 op->drop_and_destroy ();
1218 return maxdam;
1219 }
1220
1221 /* Now lets start dealing with experience we get for killing something */
1222
1223 owner = hitter->outer_owner ();
1057 if (!owner) 1224 if (!owner)
1058 owner = hitter; 1225 owner = hitter;
1059 1226
1227 /* is the victim (op) standing on battleground? */
1228 if (op_on_battleground (op, NULL, NULL))
1229 battleg = 1;
1230
1231 /* is this player killing? */
1232 if (op->type == PLAYER && owner->type == PLAYER)
1233 pk = 1;
1234
1235 /* Player killed something */
1236 if (owner->type == PLAYER)
1237 {
1238 /* Log players killing other players - makes it easier to detect
1239 * and filter out malicious player killers - that is why the
1240 * ip address is included.
1241 */
1242 if (op->type == PLAYER && !battleg)
1243 {
1244 time_t t = time (NULL);
1245 struct tm *tmv;
1246 char buf[256];
1247
1248 tmv = localtime (&t);
1249 strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1250
1251 LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1252 }
1253
1254 /* try to filter some things out - basically, if you are
1255 * killing a level 1 creature and your level 20, you
1256 * probably don't want to see that.
1257 */
1258 if (owner->level < op->level * 2 || op->stats.exp > 1000)
1259 {
1260 if (owner != hitter)
1261 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1262 else
1263 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1264
1265 /* Only play sounds for melee kills */
1266 if (hitter->type == PLAYER)
1267 owner->play_sound (sound_find ("player_kills"));
1268 }
1269
1270 /* If a player kills another player, not on
1271 * battleground, the "killer" looses 1 luck. Since this is
1272 * not reversible, it's actually quite a pain IMHO. -AV
1273 * Fix bug in that we were changing the luck of the hitter, not
1274 * player that the object belonged to - so if you killed another player
1275 * with spells, pets, whatever, there was no penalty.
1276 * Changed to make luck penalty configurable in settings.
1277 */
1278 if (op->type == PLAYER && owner != op && !battleg)
1279 owner->change_luck (-settings.pk_luck_penalty);
1280
1281 /* This code below deals with finding the appropriate skill
1282 * to credit exp to. This is a bit problematic - we should
1283 * probably never really have to look at current_weapon->skill
1284 */
1285 if (hitter->skill && hitter->type != PLAYER)
1286 skill = hitter->skill;
1287 else if (owner->chosen_skill)
1288 {
1289 skop = owner->chosen_skill;
1290 skill = skop->skill;
1291 }
1292 else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
1293 skill = owner->current_weapon->skill;
1294 else
1295 {
1296 LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
1297 "op: %s\n" "hitter: %s\n" "owner: %s\n",
1298 owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
1299 skill = 0;
1300 }
1301
1302 /* We have the skill we want to credit to - now find the object this goes
1303 * to. Make sure skop is an actual skill, and not a skill tool!
1304 */
1305 skop = owner->contr->find_skill (skill);
1306 } /* Was it a player that hit somethign */
1307 else
1308 skill = 0;
1309
1310 /* These may have been set in the player code section above */
1311 if (!skop)
1312 skop = hitter->chosen_skill;
1313
1314 if (!skill && skop)
1315 skill = skop->skill;
1316
1317 /* If you didn't kill yourself, and your not the wizard */
1318 if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1319 {
1320 int exp;
1321
1322 /* Really don't give much experience for killing other players */
1323 // schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1324 if (battleg)
1325 {
1326 if (op->is_player ())
1327 {
1328 new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1329 new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1330 }
1331
1332 exp = 0;
1333 }
1334 else if (op->is_player ())
1335 exp = op->stats.exp / 1000;
1336 else
1337 exp = calc_skill_exp (owner, op, skop);
1338
1339 /* Don't know why this is set this way - doesn't make
1340 * sense to just divide everything by two for no reason.
1341 */
1342
1343 if (!settings.simple_exp)
1344 exp = exp / 2;
1345
1346 if (owner->type != PLAYER || owner->contr->party == NULL)
1347 change_exp (owner, exp, skill, 0);
1348 else
1349 {
1350 int shares = 0, count = 0;
1351 partylist *party = owner->contr->party;
1352
1353 add_kill_to_party (party, query_name (owner), query_name (op), exp);
1354
1355 for_all_players (pl)
1356 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1357 {
1358 count++;
1359 shares += (pl->ob->level + 4);
1360 }
1361
1362 if (count == 1 || shares > exp || !shares)
1363 change_exp (owner, exp, skill, SK_EXP_TOTAL);
1364 else
1365 {
1366 int share = exp / shares, given = 0, nexp;
1367
1368 for_all_players (pl)
1369 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1370 {
1371 nexp = (pl->ob->level + 4) * share;
1372 change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1373 given += nexp;
1374 }
1375
1376 exp -= given;
1377 /* give any remainder to the player */
1378 change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1379 }
1380 } /* else part of a party */
1381 } /* end if person didn't kill himself */
1382
1383 if (op->type != PLAYER)
1384 {
1385 if (QUERY_FLAG (op, FLAG_FRIENDLY))
1386 {
1387 object *owner1 = op->owner;
1388
1389 if (owner1 && owner1->type == PLAYER)
1390 {
1391 owner1->contr->play_sound (sound_find ("pet_is_killed"));
1392 /* Maybe we should include the owner that killed this, maybe not */
1393 new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
1394 }
1395
1396 remove_friendly_object (op);
1397 }
1398
1399 op->drop_and_destroy ();
1400 }
1401 else
1402 /* Player has been killed! */
1403 op->contr->killer = owner->type == PLAYER ? owner : hitter;
1404
1405 /* This was return -1 - that doesn't seem correct - if we return -1, process
1406 * continues in the calling function.
1407 */
1408 return maxdam;
1409}
1410
1411/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1412 * Returns 0 this is not friendly fire
1413 */
1414int
1415friendly_fire (object *op, object *hitter)
1416{
1417 object *owner;
1418 int friendlyfire;
1419
1420 if (hitter->head)
1421 hitter = hitter->head;
1422
1423 friendlyfire = 0;
1424
1425 if (op->type == PLAYER)
1426 {
1427 if (op_on_battleground (hitter, 0, 0))
1428 return 0;
1429
1430 if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1431 return 1;
1432
1433 if ((owner = hitter->owner) != NULL)
1434 {
1435 if (owner->type == PLAYER && owner->contr->peaceful == 1)
1436 friendlyfire = 2;
1437 }
1438
1439 if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1440 friendlyfire = 0;
1441 }
1442
1443 return friendlyfire;
1444}
1445
1446/* This isn't used just for players, but in fact most objects.
1447 * op is the object to be hit, dam is the amount of damage, hitter
1448 * is what is hitting the object, type is the attacktype, and
1449 * full_hit is set if monster area does not matter.
1450 * dam is base damage - protections/vulnerabilities/slaying matches can
1451 * modify it.
1452 */
1453/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1454 * which needs new attacktype AT_HOLYWORD to work . b.t. */
1455int
1456hit_player (object *op, int dam, object *hitter, uint32_t type, int full_hit)
1457{
1458 int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1459 int maxattacktype;
1460 int body_attack = op && op->head; /* Did we hit op's head? */
1461 int simple_attack;
1462 int rtn_kill = 0;
1463 int friendlyfire;
1464
1465 if (get_attack_mode (&op, &hitter, &simple_attack))
1466 return 0;
1467
1468 /* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1469 if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1470 return 0;
1471
1472 // only allow pk for hostile players
1473 if (op->type == PLAYER)
1474 {
1475 object *owner = hitter->owner;
1476
1477 if (!owner)
1478 owner = hitter;
1479
1480 if (owner->type == PLAYER
1481 && (!op_on_battleground (op, 0, 0)
1482 && (op->contr->peaceful || owner->contr->peaceful))
1483 && op != owner)
1484 return 0;
1485 }
1486
1487 if (body_attack)
1488 {
1489 /* slow and paralyze must hit the head. But we don't want to just
1490 * return - we still need to process other attacks the spell still
1491 * might have. So just remove the paralyze and slow attacktypes,
1492 * and keep on processing if we have other attacktypes.
1493 * return if only magic or nothing is left - under normal code
1494 * we don't attack with pure magic if there is another attacktype.
1495 * Only do processing if the initial attacktype includes one of those
1496 * attack so we don't cancel out things like magic bullet.
1497 */
1498 if (type & (AT_PARALYZE | AT_SLOW))
1499 {
1500 type &= ~(AT_PARALYZE | AT_SLOW);
1501
1502 if (!type || type == AT_MAGIC)
1503 return 0;
1504 }
1505 }
1506
1507 if (!simple_attack && op->type == DOOR)
1508 {
1509 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1510 if (tmp->type == RUNE || tmp->type == TRAP)
1511 {
1512 spring_trap (tmp, hitter);
1513
1514 if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1515 return 0;
1516
1517 break;
1518 }
1519 }
1520
1521 if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1522 {
1523 /* FIXME: If a player is killed by a rune in a door, the
1524 * destroyed() check above doesn't return, and might get here.
1525 */
1526
1527 /* FIXME: This for example happens when a dead door is on a mover and
1528 gets it's speed_left raised on each mover-tick.
1529 Doors are removed in a kinda funny way by giving them speed and speed_left
1530 and waiting for that to run out.
1531 */
1532 LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1533 return 0;
1534 }
1535
1536#ifdef ATTACK_DEBUG
1537 LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1538#endif
1539
1540 if (magic)
1541 {
1542 /* basically: dam = dam*(100-op->resist[attacknum])/100;
1543 * in case 0>dam>1, we try to "simulate" a float value-effect */
1544 dam = dam * (100 - op->resist[ATNR_MAGIC]);
1545 if (dam >= 100)
1546 dam /= 100;
1547 else
1548 dam = (dam > rndm (0, 99)) ? 1 : 0;
1549 }
1550
1551 /* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1552 * If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1553 */
1554 if (type & AT_CHAOS)
1555 {
1556 shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1557 update_object (op, UP_OBJ_FACE);
1558 type &= ~AT_CHAOS;
1559 }
1560
1561 /* Holyword is really an attacktype modifier (like magic is). If
1562 * holyword is part of an attacktype, then make sure the creature is
1563 * a proper match, otherwise no damage.
1564 */
1565 if (type & AT_HOLYWORD)
1566 {
1567 object *god;
1568
1569 if ((!hitter->slaying
1570 || (!(op->race && hitter->slaying.contains (op->race))
1571 && !(op->name && hitter->slaying.contains (op->name))))
1572 && (!QUERY_FLAG (op, FLAG_UNDEAD)
1573 || (hitter->title
1574 && (god = find_god (determine_god (hitter))) != NULL
1575 && god->race.contains (shstr_undead))))
1576 return 0;
1577 }
1578
1579 maxattacktype = type; /* initialise this to something */
1580 for_all_bits_sparse_32 (type, attacknum)
1581 {
1582 uint32_t attacktype = 1 << attacknum;
1583
1584 /* Magic isn't really a true attack type - it gets combined with other
1585 * attack types. As such, skip it over. However, if magic is
1586 * the only attacktype in the group, then still attack with it
1587 */
1588 if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1589 continue;
1590
1591 /* Go through and hit the player with each attacktype, one by one.
1592 * hit_player_attacktype only figures out the damage, doesn't inflict
1593 * it. It will do the appropriate action for attacktypes with
1594 * effects (slow, paralization, etc.
1595 */
1596 ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1597 /* the >= causes us to prefer messages from special attacks, if
1598 * the damage is equal.
1599 */
1600 if (ndam >= maxdam)
1601 {
1602 maxdam = ndam;
1603 maxattacktype = 1 << attacknum;
1604 }
1605 }
1606
1607 /* if this is friendly fire then do a set % of damage only
1608 * Note - put a check in to make sure this attack is actually
1609 * doing damage - otherwise, the +1 in the code below will make
1610 * an attack do damage before when it otherwise didn't
1611 */
1612 friendlyfire = friendly_fire (op, hitter);
1613 if (friendlyfire && maxdam)
1614 {
1615 maxdam = ((dam * settings.set_friendly_fire) / 100);
1616
1617#ifdef ATTACK_DEBUG
1618 LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1619 friendlyfire, settings.set_friendly_fire, dam, maxdam);
1620#endif
1621 }
1622
1623 if (!full_hit)
1624 {
1625 int area;
1626 int remainder;
1627
1628 area = 0;
1629
1630 for (archetype *at = op->arch; at; at = (archetype *)at->more)
1631 area++;
1632
1633 assert (area > 0);
1634
1635 /* basically: maxdam /= area; we try to "simulate" a float
1636 value-effect */
1637 remainder = 100 * (maxdam % area) / area;
1638 maxdam /= area;
1639 if (rndm (100) < remainder)
1640 maxdam++;
1641 }
1642
1643#ifdef ATTACK_DEBUG
1644 LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1645#endif
1646
1647 // for now, only do this for active objects, otherwise they
1648 // keep a refcount for a long time and I see no usefulness
1649 // for an non-active objetc to know its enemy.
1650 if (op->active)
1651 if (hitter->owner)
1652 op->enemy = hitter->owner;
1653 else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1654 op->enemy = hitter;
1655
1656 if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1657 {
1658 /* The unaggressives look after themselves 8) */
1659 CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1660 npc_call_help (op);
1661 }
1662
1663 if (magic && did_make_save (op, op->level, 0))
1664 maxdam = maxdam / 2;
1665
1666 attack_message (maxdam, maxattacktype, op, hitter);
1667
1668 op->stats.hp -= maxdam;
1669
1670 /* Eneq(@csd.uu.se): Check to see if monster runs away. */
1671 if ((op->stats.hp >= 0) &&
1672 (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1673 op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1674 {
1675
1676 if (QUERY_FLAG (op, FLAG_MONSTER))
1677 SET_FLAG (op, FLAG_RUN_AWAY);
1678 else
1679 scare_creature (op, hitter);
1680 }
1681
1682 if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1683 {
1684 if (maxdam)
1685 tear_down_wall (op);
1686
1687 return maxdam; /* nothing more to do for wall */
1688 }
1689
1690 /* See if the creature has been killed */
1691 rtn_kill = kill_object (op, maxdam, hitter, type);
1692 if (rtn_kill != -1)
1693 return rtn_kill;
1694
1695 /* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1696 * that before if the player was immune to ghosthit, the monster
1697 * remained - that is no longer the case.
1698 */
1699 if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1700 hitter->drop_and_destroy ();
1701 /* Lets handle creatures that are splitting now */
1702 else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1703 {
1704 int i;
1705 int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1706 int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1707 object *owner = op->owner;
1708
1709 if (!op->other_arch)
1710 {
1711 LOG (llevError, "SPLITTING without other_arch error.\n");
1712 return maxdam;
1713 }
1714
1715 op->remove ();
1716
1717 for (i = 0; i < op->stats.food; i++)
1718 { /* This doesn't handle op->more yet */
1719 object *tmp = arch_to_object (op->other_arch);
1720 int j;
1721
1722 tmp->stats.hp = op->stats.hp;
1723
1724 if (friendly)
1725 {
1726 add_friendly_object (tmp);
1727 tmp->attack_movement = PETMOVE;
1728
1729 if (owner)
1730 tmp->set_owner (owner);
1731 }
1732
1733 if (unaggressive)
1734 SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1735
1736 j = find_first_free_spot (tmp, op->map, op->x, op->y);
1737
1738 if (j == -1) /* No spot to put this monster */
1739 tmp->destroy ();
1740 else
1741 {
1742 tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1743 insert_ob_in_map (tmp, op->map, NULL, 0);
1744 }
1745 }
1746
1747 op->destroy ();
1748 }
1749 else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
1750 hitter->drop_and_destroy ();
1751
1752 return maxdam;
1753}
1754
1755static void
1756poison_player (object *op, object *hitter, int dam)
1757{
1758 archetype *at = archetype::find (shstr_poisoning);
1759 object *tmp = present_arch_in_ob (at, op);
1760
1761 if (tmp == NULL)
1762 {
1763 if ((tmp = arch_to_object (at)) == NULL)
1764 LOG (llevError, "Failed to clone arch poisoning.\n");
1765 else
1766 {
1767 tmp = insert_ob_in_ob (tmp, op);
1768 /* peterm: give poisoning some teeth. It should
1769 * be able to kill things better than it does:
1770 * damage should be dependent something--I choose to
1771 * do this: if it's a monster, the damage from the
1772 * poisoning goes as the level of the monster/2.
1773 * If anything else, goes as damage.
1774 */
1775
1776 if (QUERY_FLAG (hitter, FLAG_ALIVE))
1777 tmp->stats.dam += hitter->level / 2;
1778 else
1779 tmp->stats.dam = dam;
1780
1781 tmp->set_owner (hitter); /* so we get credit for poisoning kills */
1782 if (hitter->skill && hitter->skill != tmp->skill)
1783 {
1784 tmp->skill = hitter->skill;
1785 }
1786
1787 tmp->stats.food += dam; /* more damage, longer poisoning */
1788
1789 if (op->type == PLAYER)
1790 {
1791 /* player looses stats, maximum is -10 of each */
1792 tmp->stats.Con = max (-(dam / 4 + 1), -10);
1793 tmp->stats.Str = max (-(dam / 3 + 2), -10);
1794 tmp->stats.Dex = max (-(dam / 6 + 1), -10);
1795 tmp->stats.Int = max (-(dam / 7 ), -10);
1796 SET_FLAG (tmp, FLAG_APPLIED);
1797 op->update_stats ();
1798 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
1799 op->play_sound (tmp->sound);
1800 }
1801
1802 if (hitter->type == PLAYER)
1803 new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
1804 else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
1805 new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
1806 }
1807
1808 tmp->speed_left = 0;
1809 }
1810 else
1811 tmp->stats.food++;
1812}
1813
1814static void
1815slow_player (object *op, object *hitter, int dam)
1816{
1817 archetype *at = archetype::find (shstr_slowness);
1818 object *tmp;
1819
1820 if (at == NULL)
1821 LOG (llevError, "Can't find slowness archetype.\n");
1822
1823 if ((tmp = present_arch_in_ob (at, op)) == NULL)
1824 {
1825 tmp = arch_to_object (at);
1826 tmp = insert_ob_in_ob (tmp, op);
1827 new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
1828 }
1829 else
1830 tmp->stats.food++;
1831
1060 SET_FLAG (target, FLAG_SCARED); 1832 SET_FLAG (tmp, FLAG_APPLIED);
1061 if (!target->enemy) 1833 tmp->speed_left = 0;
1062 target->enemy = owner; 1834 op->update_stats ();
1835}
1836
1837void
1838confuse_player (object *op, object *hitter, int dam)
1839{
1840 object *tmp;
1841 int maxduration;
1842
1843 tmp = present_in_ob_by_name (FORCE, shstr_confusion, op);
1844 if (!tmp)
1845 {
1846 tmp = get_archetype (FORCE_NAME);
1847 tmp = insert_ob_in_ob (tmp, op);
1848 }
1849
1850 /* Duration added per hit and max. duration of confusion both depend
1851 * on the player's resistance
1852 */
1853 tmp->speed = 0.05;
1854 tmp->subtype = FORCE_CONFUSION;
1855 tmp->duration = 8 + max (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
1856 tmp->name = shstr_confusion;
1857 maxduration = max (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
1858
1859 if (tmp->duration > maxduration)
1860 tmp->duration = maxduration;
1861
1862 if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
1863 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
1864
1865 SET_FLAG (op, FLAG_CONFUSED);
1866}
1867
1868void
1869blind_player (object *op, object *hitter, int dam)
1870{
1871 object *tmp, *owner;
1872
1873 /* Save some work if we know it isn't going to affect the player */
1874 if (op->resist[ATNR_BLIND] == 100)
1875 return;
1876
1877 tmp = present_in_ob (BLINDNESS, op);
1878 if (!tmp)
1879 {
1880 tmp = get_archetype (shstr_blindness);
1881 SET_FLAG (tmp, FLAG_BLIND);
1882 SET_FLAG (tmp, FLAG_APPLIED);
1883 /* use floats so we don't lose too much precision due to rounding errors.
1884 * speed is a float anyways.
1885 */
1886 tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
1887
1888 tmp = insert_ob_in_ob (tmp, op);
1889 change_abil (op, tmp); /* Mostly to display any messages */
1890 op->update_stats (); /* This takes care of some other stuff */
1891
1892 if (hitter->owner)
1893 owner = hitter->owner;
1894 else
1895 owner = hitter;
1896
1897 new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
1898 }
1899 tmp->stats.food += dam;
1900 if (tmp->stats.food > 10)
1901 tmp->stats.food = 10;
1902}
1903
1904void
1905paralyze_player (object *op, object *hitter, int dam)
1906{
1907 /* This is strange stuff... someone knows for what this is
1908 * written? Well, i think this can and should be removed
1909 */
1910
1911 /*
1912 if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
1913 tmp=clone_arch(PARAIMAGE);
1914 tmp->x=op->x,tmp->y=op->y;
1915 insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
1916 }
1917 */
1918
1919 /* Do this as a float - otherwise, rounding might very well reduce this to 0 */
1920 float effect = dam * 3.f * (100.f - op->resist[ATNR_PARALYZE]) / 100.f;
1921
1922 op->speed_left -= fabs (op->speed) * effect;
1923 /* tmp->stats.food+=(signed short) effect/op->speed; */
1924
1925 /* max number of ticks to be affected for. */
1926 float max = (100 - op->resist[ATNR_PARALYZE]) / 2;
1927
1928 if (op->speed_left < -(fabs (op->speed) * max))
1929 op->speed_left = -(fabs (op->speed) * max);
1930
1931/* tmp->stats.food = (signed short) (max / fabs (op->speed)); */
1932}
1933
1934/* Attempts to kill 'op'. hitter is the attack object, dam is
1935 * the computed damaged.
1936 */
1937static void
1938deathstrike_player (object *op, object *hitter, int *dam)
1939{
1940 /* The intention of a death attack is to kill outright things
1941 ** that are a lot weaker than the attacker, have a chance of killing
1942 ** things somewhat weaker than the caster, and no chance of
1943 ** killing something equal or stronger than the attacker.
1944 ** Also, if a deathstrike attack has a slaying, any monster
1945 ** whose name or race matches a comma-delimited list in the slaying
1946 ** field of the deathstriking object */
1947
1948 int atk_lev, def_lev, kill_lev;
1949
1950 if (hitter->slaying)
1951 if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
1952 || (op->race && hitter->slaying.contains (op->race))))
1953 return;
1954
1955 def_lev = op->level;
1956 if (def_lev < 1)
1957 {
1958 LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
1959 def_lev = 1;
1960 }
1961
1962 atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
1963 /* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
1964 atk_lev, def_lev); */
1965
1966 if (atk_lev >= def_lev)
1967 {
1968 kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
1969
1970 /* Note that the below effectively means the ratio of the atk vs
1971 * defener level is important - if level 52 character has very little
1972 * chance of killing a level 50 monster. This should probably be
1973 * redone.
1974 */
1975 if (kill_lev >= def_lev)
1976 {
1977 *dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
1978 /* I think this doesn't really do much. Because of
1979 * integer rounding, this only makes any difference if the
1980 * attack level is double the defender level.
1981 */
1982 *dam *= kill_lev / def_lev;
1983 }
1984 }
1985 else
1986 *dam = 0; /* no harm done */
1063} 1987}
1064 1988
1065/* This returns the amount of damage hitter does to op with the 1989/* This returns the amount of damage hitter does to op with the
1066 * appropriate attacktype. Only 1 attacktype should be set at a time. 1990 * appropriate attacktype. Only 1 attacktype should be set at a time.
1067 * This doesn't damage the player, but returns how much it should 1991 * This doesn't damage the player, but returns how much it should
… …
1092 if (attacknum == ATNR_INTERNAL) 2016 if (attacknum == ATNR_INTERNAL)
1093 return dam; 2017 return dam;
1094 2018
1095 if (hitter->slaying) 2019 if (hitter->slaying)
1096 { 2020 {
1097 if ((op->race && strstr (hitter->slaying, op->race)) 2021 if ((op->race && hitter->slaying.contains (op->race))
1098 || (op->arch && op->arch->archname && strstr (op->arch->archname, hitter->slaying))) 2022 || (op->arch && op->arch->archname.contains (hitter->slaying)))
1099 { 2023 {
1100 doesnt_slay = 0; 2024 doesnt_slay = 0;
1101 dam *= 3; 2025 dam *= 3;
1102 } 2026 }
1103 } 2027 }
… …
1149 case ATNR_BLIND: 2073 case ATNR_BLIND:
1150 { 2074 {
1151 /* chance for inflicting a special attack depends on the 2075 /* chance for inflicting a special attack depends on the
1152 * difference between attacker's and defender's level 2076 * difference between attacker's and defender's level
1153 */ 2077 */
1154 int level_diff = MIN (110, MAX (0, op->level - hitter->level)); 2078 int level_diff = min (110, max (0, op->level - hitter->level));
1155 2079
1156 /* First, only creatures/players with speed can be affected. 2080 /* First, only creatures/players with speed can be affected.
1157 * Second, just getting hit doesn't mean it always affects 2081 * Second, just getting hit doesn't mean it always affects
1158 * you. Third, you still get a saving through against the 2082 * you. Third, you still get a saving through against the
1159 * effect. 2083 * effect.
1160 */ 2084 */
1161 if (op->speed && 2085 if (op->has_active_speed ()
1162 (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) && 2086 && (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
2087 && !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1))
1163 !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1)) && !did_make_save (op, level_diff, op->resist[attacknum] / 10)) 2088 && !did_make_save (op, level_diff, op->resist[attacknum] / 10))
1164 { 2089 {
1165 2090
1166 /* Player has been hit by something */ 2091 /* Player has been hit by something */
1167 if (attacknum == ATNR_CONFUSION) 2092 if (attacknum == ATNR_CONFUSION)
1168 confuse_player (op, hitter, dam); 2093 confuse_player (op, hitter, dam);
… …
1216 2141
1217 /* High damage acid has better chance of corroding 2142 /* High damage acid has better chance of corroding
1218 objects */ 2143 objects */
1219 if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic) 2144 if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic)
1220 { 2145 {
1221 if (op->type == PLAYER)
1222 /* Make this more visible */
1223 new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, op,
1224 "The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
1225 flag = 1; 2146 flag = 1;
1226 tmp->magic--; 2147 tmp->magic--;
1227 if (op->type == PLAYER) 2148
1228 esrv_send_item (op, tmp); 2149 if (object *pl = tmp->visible_to ())
2150 {
2151 /* Make this more visible */
2152 new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, pl,
2153 "The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
2154
2155 esrv_send_item (op, tmp); //TODO: UPD_NAME should be enough (it's enough in other cases)
2156 }
1229 } 2157 }
1230 } 2158 }
1231 2159
1232 if (flag) 2160 if (flag)
1233 op->update_stats (); /* Something was corroded */ 2161 op->update_stats (); /* Something was corroded */
… …
1302 object *god = find_god (determine_god (owner)); 2230 object *god = find_god (determine_god (owner));
1303 int div = 1; 2231 int div = 1;
1304 2232
1305 /* if undead are not an enemy of your god, you turn them 2233 /* if undead are not an enemy of your god, you turn them
1306 * at half strength */ 2234 * at half strength */
1307 if (!god || !god->slaying || strstr (god->slaying, shstr_undead) == NULL) 2235 if (!god || !god->slaying.contains (shstr_undead))
1308 div = 2; 2236 div = 2;
1309 2237
1310 /* Give a bonus if you resist turn undead */ 2238 /* Give a bonus if you resist turn undead */
1311 if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100))) 2239 if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))
1312 scare_creature (op, owner); 2240 scare_creature (op, owner);
… …
1384 } 2312 }
1385 2313
1386 return dam; 2314 return dam;
1387} 2315}
1388 2316
1389/* GROS: This code comes from hit_player. It has been made external to
1390 * allow script procedures to "kill" objects in a combat-like fashion.
1391 * It was initially used by (kill-object) developed for the Collector's
1392 * Sword. Note that nothing has been changed from the original version
1393 * of the following code.
1394 * op is what is being killed.
1395 * dam is the damage done to it.
1396 * hitter is what is hitting it.
1397 * type is the attacktype.
1398 *
1399 * This function was a bit of a mess with hitter getting changed,
1400 * values being stored away but not used, etc. I've cleaned it up
1401 * a bit - I think it should be functionally equivalant.
1402 * MSW 2002-07-17
1403 */
1404int
1405kill_object (object *op, int dam, object *hitter, int type)
1406{
1407 char buf[MAX_BUF];
1408 const char *skill;
1409 int maxdam = 0;
1410 int battleg = 0; /* true if op standing on battleground */
1411 int pk = 0; /* true if op and what controls hitter are both players */
1412 object *owner = 0;
1413 object *skop = 0;
1414
1415 if (op->stats.hp >= 0)
1416 return -1;
1417
1418 if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1419 return 0;
1420
1421 /* maxdam needs to be the amount of damage it took to kill
1422 * this creature. The function(s) that call us have already
1423 * adjusted the creatures HP total, so that is negative.
1424 */
1425 maxdam = dam + op->stats.hp + 1;
1426
1427 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1428 update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1429
1430 if (op->type == DOOR)
1431 {
1432 op->set_speed (0.1f);
1433 op->speed_left = -0.05f;
1434 return maxdam;
1435 }
1436
1437 if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1438 {
1439 op->destroy ();
1440 return maxdam;
1441 }
1442
1443 /* Now lets start dealing with experience we get for killing something */
1444
1445 owner = hitter->owner;
1446 if (!owner)
1447 owner = hitter;
1448
1449 /* is the victim (op) standing on battleground? */
1450 if (op_on_battleground (op, NULL, NULL))
1451 battleg = 1;
1452
1453 /* is this player killing? */
1454 if (op->type == PLAYER && owner->type == PLAYER)
1455 pk = 1;
1456
1457 /* Player killed something */
1458 if (owner->type == PLAYER)
1459 {
1460 Log_Kill (owner->name,
1461 query_name (op), op->type, (owner != hitter) ? query_name (hitter) : NULL, (owner != hitter) ? hitter->type : 0);
1462
1463 /* Log players killing other players - makes it easier to detect
1464 * and filter out malicious player killers - that is why the
1465 * ip address is included.
1466 */
1467 if (op->type == PLAYER && !battleg)
1468 {
1469 time_t t = time (NULL);
1470 struct tm *tmv;
1471 char buf[256];
1472
1473 tmv = localtime (&t);
1474 strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1475
1476 LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1477 }
1478
1479 /* try to filter some things out - basically, if you are
1480 * killing a level 1 creature and your level 20, you
1481 * probably don't want to see that.
1482 */
1483 if (owner->level < op->level * 2 || op->stats.exp > 1000)
1484 {
1485 if (owner != hitter)
1486 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1487 else
1488 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1489
1490 /* Only play sounds for melee kills */
1491 if (hitter->type == PLAYER)
1492 owner->play_sound (sound_find ("player_kills"));
1493 }
1494
1495 /* If a player kills another player, not on
1496 * battleground, the "killer" looses 1 luck. Since this is
1497 * not reversible, it's actually quite a pain IMHO. -AV
1498 * Fix bug in that we were changing the luck of the hitter, not
1499 * player that the object belonged to - so if you killed another player
1500 * with spells, pets, whatever, there was no penalty.
1501 * Changed to make luck penalty configurable in settings.
1502 */
1503 if (op->type == PLAYER && owner != op && !battleg)
1504 owner->change_luck (-settings.pk_luck_penalty);
1505
1506 /* This code below deals with finding the appropriate skill
1507 * to credit exp to. This is a bit problematic - we should
1508 * probably never really have to look at current_weapon->skill
1509 */
1510 skill = 0;
1511
1512 if (hitter->skill && hitter->type != PLAYER)
1513 skill = hitter->skill;
1514 else if (owner->chosen_skill)
1515 {
1516 skop = owner->chosen_skill;
1517 skill = skop->skill;
1518 }
1519 else if (QUERY_FLAG (owner, FLAG_READY_WEAPON))
1520 skill = owner->current_weapon->skill;
1521 else
1522 LOG (llevError, "kill_object - unable to find skill that killed monster\n");
1523
1524 /* We have the skill we want to credit to - now find the object this goes
1525 * to. Make sure skop is an actual skill, and not a skill tool!
1526 */
1527 if ((!skop || skop->type != SKILL) && skill)
1528 {
1529 int i;
1530
1531 for (i = 0; i < NUM_SKILLS; i++)
1532 if (owner->contr->last_skill_ob[i] && !strcmp (owner->contr->last_skill_ob[i]->skill, skill))
1533 {
1534 skop = owner->contr->last_skill_ob[i];
1535 break;
1536 }
1537 }
1538 } /* Was it a player that hit somethign */
1539 else
1540 skill = 0;
1541
1542 /* Pet (or spell) killed something. */
1543 if (owner != hitter)
1544 sprintf (buf, "%s killed %s with %s%s%s.", &owner->name,
1545 query_name (op), query_name (hitter), battleg ? " (duel)" : "", pk ? " (pk)" : "");
1546 else
1547 sprintf (buf, "%s killed %s%s%s%s.", &hitter->name, &op->name,
1548 (QUERY_FLAG (hitter, FLAG_MONSTER)) || hitter->type == PLAYER ?
1549 " in hand to hand combat" : "", battleg ? " (duel)" : "", pk ? " (pk)" : "");
1550
1551 /* These may have been set in the player code section above */
1552 if (!skop)
1553 skop = hitter->chosen_skill;
1554
1555 if (!skill && skop)
1556 skill = skop->skill;
1557
1558 new_draw_info (NDI_ALL, op->type == PLAYER ? 1 : 10, NULL, buf);
1559
1560 /* If you didn't kill yourself, and your not the wizard */
1561 if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1562 {
1563 int exp;
1564
1565 /* Really don't give much experience for killing other players */
1566 // schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1567 if (op->type == PLAYER)
1568 {
1569 if (battleg)
1570 {
1571 new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1572 new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1573 }
1574 else
1575 exp = op->stats.exp / 1000;
1576 }
1577 else
1578 exp = calc_skill_exp (owner, op, skop);
1579
1580 /* if op is standing on "battleground" (arena), no way to gain
1581 * exp by killing him
1582 */
1583 if (battleg)
1584 exp = 0;
1585
1586 /* Don't know why this is set this way - doesn't make
1587 * sense to just divide everything by two for no reason.
1588 */
1589
1590 if (!settings.simple_exp)
1591 exp = exp / 2;
1592
1593 if (owner->type != PLAYER || owner->contr->party == NULL)
1594 change_exp (owner, exp, skill, 0);
1595 else
1596 {
1597 int shares = 0, count = 0;
1598 partylist *party = owner->contr->party;
1599
1600 add_kill_to_party (party, query_name (owner), query_name (op), exp);
1601
1602 for_all_players (pl)
1603 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1604 {
1605 count++;
1606 shares += (pl->ob->level + 4);
1607 }
1608
1609 if (count == 1 || shares > exp || !shares)
1610 change_exp (owner, exp, skill, SK_EXP_TOTAL);
1611 else
1612 {
1613 int share = exp / shares, given = 0, nexp;
1614
1615 for_all_players (pl)
1616 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1617 {
1618 nexp = (pl->ob->level + 4) * share;
1619 change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1620 given += nexp;
1621 }
1622
1623 exp -= given;
1624 /* give any remainder to the player */
1625 change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1626 }
1627 } /* else part of a party */
1628 } /* end if person didn't kill himself */
1629
1630 if (op->type != PLAYER)
1631 {
1632 if (QUERY_FLAG (op, FLAG_FRIENDLY))
1633 {
1634 object *owner1 = op->owner;
1635
1636 if (owner1 && owner1->type == PLAYER)
1637 {
1638 owner1->contr->play_sound (sound_find ("pet_is_killed"));
1639 /* Maybe we should include the owner that killed this, maybe not */
1640 new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, is killed by %s.", &op->name, &hitter->name);
1641 }
1642
1643 remove_friendly_object (op);
1644 }
1645
1646 op->destroy ();
1647 }
1648 else
1649 {
1650 /* Player has been killed! */
1651 if (owner->type == PLAYER)
1652 snprintf (op->contr->killer, sizeof (op->contr->killer), "%s the %s", &owner->name, owner->contr->title);
1653 else
1654 assign (op->contr->killer, hitter->name);
1655 }
1656
1657 /* This was return -1 - that doesn't seem correct - if we return -1, process
1658 * continues in the calling function.
1659 */
1660 return maxdam;
1661}
1662
1663/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1664 * Returns 0 this is not friendly fire
1665 */
1666int
1667friendly_fire (object *op, object *hitter)
1668{
1669 object *owner;
1670 int friendlyfire;
1671
1672 if (hitter->head)
1673 hitter = hitter->head;
1674
1675 friendlyfire = 0;
1676
1677 if (op->type == PLAYER)
1678 {
1679 if (op_on_battleground (hitter, 0, 0))
1680 return 0;
1681
1682 if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1683 return 1;
1684
1685 if ((owner = hitter->owner) != NULL)
1686 {
1687 if (owner->type == PLAYER && owner->contr->peaceful == 1)
1688 friendlyfire = 2;
1689 }
1690
1691 if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1692 friendlyfire = 0;
1693 }
1694
1695 return friendlyfire;
1696}
1697
1698/* This isn't used just for players, but in fact most objects.
1699 * op is the object to be hit, dam is the amount of damage, hitter
1700 * is what is hitting the object, type is the attacktype, and
1701 * full_hit is set if monster area does not matter.
1702 * dam is base damage - protections/vulnerabilities/slaying matches can
1703 * modify it.
1704 */
1705/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1706 * which needs new attacktype AT_HOLYWORD to work . b.t. */
1707int
1708hit_player (object *op, int dam, object *hitter, int type, int full_hit)
1709{
1710 int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1711 int maxattacktype, attacknum;
1712 int body_attack = op && op->head; /* Did we hit op's head? */
1713 int simple_attack;
1714 int rtn_kill = 0;
1715 int friendlyfire;
1716
1717 if (get_attack_mode (&op, &hitter, &simple_attack))
1718 return 0;
1719
1720 /* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1721 if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1722 return 0;
1723
1724 // only allow pk for hostile players
1725 if (op->type == PLAYER)
1726 {
1727 object *owner = hitter->owner;
1728
1729 if (!owner)
1730 owner = hitter;
1731
1732 if (owner->type == PLAYER
1733 && (!op_on_battleground (op, 0, 0)
1734 && (op->contr->peaceful || owner->contr->peaceful))
1735 && op != owner)
1736 return 0;
1737 }
1738
1739 if (body_attack)
1740 {
1741 /* slow and paralyze must hit the head. But we don't want to just
1742 * return - we still need to process other attacks the spell still
1743 * might have. So just remove the paralyze and slow attacktypes,
1744 * and keep on processing if we have other attacktypes.
1745 * return if only magic or nothing is left - under normal code
1746 * we don't attack with pure magic if there is another attacktype.
1747 * Only do processing if the initial attacktype includes one of those
1748 * attack so we don't cancel out things like magic bullet.
1749 */
1750 if (type & (AT_PARALYZE | AT_SLOW))
1751 {
1752 type &= ~(AT_PARALYZE | AT_SLOW);
1753
1754 if (!type || type == AT_MAGIC)
1755 return 0;
1756 }
1757 }
1758
1759 if (!simple_attack && op->type == DOOR)
1760 {
1761 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1762 if (tmp->type == RUNE || tmp->type == TRAP)
1763 {
1764 spring_trap (tmp, hitter);
1765
1766 if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1767 return 0;
1768
1769 break;
1770 }
1771 }
1772
1773 if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1774 {
1775 /* FIXME: If a player is killed by a rune in a door, the
1776 * destroyed() check above doesn't return, and might get here.
1777 */
1778
1779 /* FIXME: This for example happens when a dead door is on a mover and
1780 gets it's speed_left raised on each mover-tick.
1781 Doors are removed in a kinda funny way by giving them speed and speed_left
1782 and waiting for that to run out.
1783 */
1784 LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1785 return 0;
1786 }
1787
1788#ifdef ATTACK_DEBUG
1789 LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1790#endif
1791
1792 if (magic)
1793 {
1794 /* basically: dam = dam*(100-op->resist[attacknum])/100;
1795 * in case 0>dam>1, we try to "simulate" a float value-effect */
1796 dam = dam * (100 - op->resist[ATNR_MAGIC]);
1797 if (dam >= 100)
1798 dam /= 100;
1799 else
1800 dam = (dam > rndm (0, 99)) ? 1 : 0;
1801 }
1802
1803 /* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1804 * If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1805 */
1806 if (type & AT_CHAOS)
1807 {
1808 shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1809 update_object (op, UP_OBJ_FACE);
1810 type &= ~AT_CHAOS;
1811 }
1812
1813 /* Holyword is really an attacktype modifier (like magic is). If
1814 * holyword is part of an attacktype, then make sure the creature is
1815 * a proper match, otherwise no damage.
1816 */
1817 if (type & AT_HOLYWORD)
1818 {
1819 object *god;
1820
1821 if ((!hitter->slaying ||
1822 (!(op->race && strstr (hitter->slaying, op->race)) &&
1823 !(op->name && strstr (hitter->slaying, op->name)))) &&
1824 (!QUERY_FLAG (op, FLAG_UNDEAD) ||
1825 (hitter->title != NULL
1826 && (god = find_god (determine_god (hitter))) != NULL && god->race != NULL && strstr (god->race, shstr_undead) != NULL)))
1827 return 0;
1828 }
1829
1830 maxattacktype = type; /* initialise this to something */
1831 for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
1832 {
1833 /* Magic isn't really a true attack type - it gets combined with other
1834 * attack types. As such, skip it over. However, if magic is
1835 * the only attacktype in the group, then still attack with it
1836 */
1837 if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1838 continue;
1839
1840 /* Go through and hit the player with each attacktype, one by one.
1841 * hit_player_attacktype only figures out the damage, doesn't inflict
1842 * it. It will do the appropriate action for attacktypes with
1843 * effects (slow, paralization, etc.
1844 */
1845 if (type & attacktype)
1846 {
1847 ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1848 /* the >= causes us to prefer messages from special attacks, if
1849 * the damage is equal.
1850 */
1851 if (ndam >= maxdam)
1852 {
1853 maxdam = ndam;
1854 maxattacktype = 1 << attacknum;
1855 }
1856 }
1857 }
1858
1859 /* if this is friendly fire then do a set % of damage only
1860 * Note - put a check in to make sure this attack is actually
1861 * doing damage - otherwise, the +1 in the code below will make
1862 * an attack do damage before when it otherwise didn't
1863 */
1864 friendlyfire = friendly_fire (op, hitter);
1865 if (friendlyfire && maxdam)
1866 {
1867 maxdam = ((dam * settings.set_friendly_fire) / 100);
1868
1869#ifdef ATTACK_DEBUG
1870 LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1871 friendlyfire, settings.set_friendly_fire, dam, maxdam);
1872#endif
1873 }
1874
1875 if (!full_hit)
1876 {
1877 int area;
1878 int remainder;
1879
1880 area = 0;
1881
1882 for (archetype *at = op->arch; at; at = (archetype *)at->more)
1883 area++;
1884
1885 assert (area > 0);
1886
1887 /* basically: maxdam /= area; we try to "simulate" a float
1888 value-effect */
1889 remainder = 100 * (maxdam % area) / area;
1890 maxdam /= area;
1891 if (rndm (100) < remainder)
1892 maxdam++;
1893 }
1894
1895#ifdef ATTACK_DEBUG
1896 LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1897#endif
1898
1899 // for now, only do this for active objects, otherwise they
1900 // keep a refcount for a long time and I see no usefulness
1901 // for an non-active objetc to know its enemy.
1902 if (op->active)
1903 if (hitter->owner)
1904 op->enemy = hitter->owner;
1905 else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1906 op->enemy = hitter;
1907
1908 if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1909 {
1910 /* The unaggressives look after themselves 8) */
1911 CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1912 npc_call_help (op);
1913 }
1914
1915 if (magic && did_make_save (op, op->level, 0))
1916 maxdam = maxdam / 2;
1917
1918 attack_message (maxdam, maxattacktype, op, hitter);
1919
1920 op->stats.hp -= maxdam;
1921
1922 /* Eneq(@csd.uu.se): Check to see if monster runs away. */
1923 if ((op->stats.hp >= 0) &&
1924 (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1925 op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1926 {
1927
1928 if (QUERY_FLAG (op, FLAG_MONSTER))
1929 SET_FLAG (op, FLAG_RUN_AWAY);
1930 else
1931 scare_creature (op, hitter);
1932 }
1933
1934 if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1935 {
1936 if (maxdam)
1937 tear_down_wall (op);
1938
1939 return maxdam; /* nothing more to do for wall */
1940 }
1941
1942 /* See if the creature has been killed */
1943 rtn_kill = kill_object (op, maxdam, hitter, type);
1944 if (rtn_kill != -1)
1945 return rtn_kill;
1946
1947
1948 /* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1949 * that before if the player was immune to ghosthit, the monster
1950 * remained - that is no longer the case.
1951 */
1952 if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1953 hitter->destroy ();
1954
1955 /* Lets handle creatures that are splitting now */
1956 else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1957 {
1958 int i;
1959 int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1960 int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1961 object *owner = op->owner;
1962
1963 if (!op->other_arch)
1964 {
1965 LOG (llevError, "SPLITTING without other_arch error.\n");
1966 return maxdam;
1967 }
1968
1969 op->remove ();
1970
1971 for (i = 0; i < op->stats.food; i++)
1972 { /* This doesn't handle op->more yet */
1973 object *tmp = arch_to_object (op->other_arch);
1974 int j;
1975
1976 tmp->stats.hp = op->stats.hp;
1977
1978 if (friendly)
1979 {
1980 add_friendly_object (tmp);
1981 tmp->attack_movement = PETMOVE;
1982
1983 if (owner)
1984 tmp->set_owner (owner);
1985 }
1986
1987 if (unaggressive)
1988 SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1989
1990 j = find_first_free_spot (tmp, op->map, op->x, op->y);
1991
1992 if (j == -1) /* No spot to put this monster */
1993 tmp->destroy ();
1994 else
1995 {
1996 tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1997 insert_ob_in_map (tmp, op->map, NULL, 0);
1998 }
1999 }
2000
2001 op->destroy ();
2002 }
2003 else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
2004 hitter->destroy ();
2005
2006 return maxdam;
2007}
2008
2009void
2010poison_player (object *op, object *hitter, int dam)
2011{
2012 archetype *at = archetype::find ("poisoning");
2013 object *tmp = present_arch_in_ob (at, op);
2014
2015 if (tmp == NULL)
2016 {
2017 if ((tmp = arch_to_object (at)) == NULL)
2018 LOG (llevError, "Failed to clone arch poisoning.\n");
2019 else
2020 {
2021 tmp = insert_ob_in_ob (tmp, op);
2022 /* peterm: give poisoning some teeth. It should
2023 * be able to kill things better than it does:
2024 * damage should be dependent something--I choose to
2025 * do this: if it's a monster, the damage from the
2026 * poisoning goes as the level of the monster/2.
2027 * If anything else, goes as damage.
2028 */
2029
2030 if (QUERY_FLAG (hitter, FLAG_ALIVE))
2031 tmp->stats.dam += hitter->level / 2;
2032 else
2033 tmp->stats.dam = dam;
2034
2035 tmp->set_owner (hitter); /* so we get credit for poisoning kills */
2036 if (hitter->skill && hitter->skill != tmp->skill)
2037 {
2038 tmp->skill = hitter->skill;
2039 }
2040
2041 tmp->stats.food += dam; /* more damage, longer poisoning */
2042
2043 if (op->type == PLAYER)
2044 {
2045 /* player looses stats, maximum is -10 of each */
2046 tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
2047 tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
2048 tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
2049 tmp->stats.Int = MAX (-dam / 7, -10);
2050 SET_FLAG (tmp, FLAG_APPLIED);
2051 op->update_stats ();
2052 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
2053 op->play_sound (tmp->sound);
2054 }
2055
2056 if (hitter->type == PLAYER)
2057 new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
2058 else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
2059 new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
2060 }
2061
2062 tmp->speed_left = 0;
2063 }
2064 else
2065 tmp->stats.food++;
2066}
2067
2068void
2069slow_player (object *op, object *hitter, int dam)
2070{
2071 archetype *at = archetype::find ("slowness");
2072 object *tmp;
2073
2074 if (at == NULL)
2075 LOG (llevError, "Can't find slowness archetype.\n");
2076
2077 if ((tmp = present_arch_in_ob (at, op)) == NULL)
2078 {
2079 tmp = arch_to_object (at);
2080 tmp = insert_ob_in_ob (tmp, op);
2081 new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
2082 }
2083 else
2084 tmp->stats.food++;
2085
2086 SET_FLAG (tmp, FLAG_APPLIED);
2087 tmp->speed_left = 0;
2088 op->update_stats ();
2089}
2090
2091void
2092confuse_player (object *op, object *hitter, int dam)
2093{
2094 object *tmp;
2095 int maxduration;
2096
2097 tmp = present_in_ob_by_name (FORCE, "confusion", op);
2098 if (!tmp)
2099 {
2100 tmp = get_archetype (FORCE_NAME);
2101 tmp = insert_ob_in_ob (tmp, op);
2102 }
2103
2104 /* Duration added per hit and max. duration of confusion both depend
2105 * on the player's resistance
2106 */
2107 tmp->speed = 0.05;
2108 tmp->subtype = FORCE_CONFUSION;
2109 tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2110 tmp->name = "confusion";
2111 maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2112
2113 if (tmp->duration > maxduration)
2114 tmp->duration = maxduration;
2115
2116 if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
2117 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
2118
2119 SET_FLAG (op, FLAG_CONFUSED);
2120}
2121
2122void
2123blind_player (object *op, object *hitter, int dam)
2124{
2125 object *tmp, *owner;
2126
2127 /* Save some work if we know it isn't going to affect the player */
2128 if (op->resist[ATNR_BLIND] == 100)
2129 return;
2130
2131 tmp = present_in_ob (BLINDNESS, op);
2132 if (!tmp)
2133 {
2134 tmp = get_archetype ("blindness");
2135 SET_FLAG (tmp, FLAG_BLIND);
2136 SET_FLAG (tmp, FLAG_APPLIED);
2137 /* use floats so we don't lose too much precision due to rounding errors.
2138 * speed is a float anyways.
2139 */
2140 tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
2141
2142 tmp = insert_ob_in_ob (tmp, op);
2143 change_abil (op, tmp); /* Mostly to display any messages */
2144 op->update_stats (); /* This takes care of some other stuff */
2145
2146 if (hitter->owner)
2147 owner = hitter->owner;
2148 else
2149 owner = hitter;
2150
2151 new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
2152 }
2153 tmp->stats.food += dam;
2154 if (tmp->stats.food > 10)
2155 tmp->stats.food = 10;
2156}
2157
2158void
2159paralyze_player (object *op, object *hitter, int dam)
2160{
2161 float effect, max;
2162
2163 /* object *tmp; */
2164
2165 /* This is strange stuff... someone knows for what this is
2166 * written? Well, i think this can and should be removed
2167 */
2168
2169 /*
2170 if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
2171 tmp=clone_arch(PARAIMAGE);
2172 tmp->x=op->x,tmp->y=op->y;
2173 insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
2174 }
2175 */
2176
2177 /* Do this as a float - otherwise, rounding might very well reduce this to 0 */
2178 effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
2179
2180 if (effect == 0)
2181 return;
2182
2183 op->speed_left -= FABS (op->speed) * effect;
2184 /* tmp->stats.food+=(signed short) effect/op->speed; */
2185
2186 /* max number of ticks to be affected for. */
2187 max = (100 - op->resist[ATNR_PARALYZE]) / 2;
2188 if (op->speed_left < -(FABS (op->speed) * max))
2189 op->speed_left = (float) -(FABS (op->speed) * max);
2190
2191/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
2192}
2193
2194/* Attempts to kill 'op'. hitter is the attack object, dam is
2195 * the computed damaged.
2196 */
2197void
2198deathstrike_player (object *op, object *hitter, int *dam)
2199{
2200 /* The intention of a death attack is to kill outright things
2201 ** that are a lot weaker than the attacker, have a chance of killing
2202 ** things somewhat weaker than the caster, and no chance of
2203 ** killing something equal or stronger than the attacker.
2204 ** Also, if a deathstrike attack has a slaying, any monster
2205 ** whose name or race matches a comma-delimited list in the slaying
2206 ** field of the deathstriking object */
2207
2208 int atk_lev, def_lev, kill_lev;
2209
2210 if (hitter->slaying)
2211 if (!((QUERY_FLAG (op, FLAG_UNDEAD) && strstr (hitter->slaying, shstr_undead)) || (op->race && strstr (hitter->slaying, op->race))))
2212 return;
2213
2214 def_lev = op->level;
2215 if (def_lev < 1)
2216 {
2217 LOG (llevError, "BUG: arch %s, name %s with level < 1\n", &op->arch->archname, &op->name);
2218 def_lev = 1;
2219 }
2220
2221 atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
2222 /* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
2223 atk_lev, def_lev); */
2224
2225 if (atk_lev >= def_lev)
2226 {
2227 kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
2228
2229 /* Note that the below effectively means the ratio of the atk vs
2230 * defener level is important - if level 52 character has very little
2231 * chance of killing a level 50 monster. This should probably be
2232 * redone.
2233 */
2234 if (kill_lev >= def_lev)
2235 {
2236 *dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
2237 /* I think this doesn't really do much. Because of
2238 * integer rounding, this only makes any difference if the
2239 * attack level is double the defender level.
2240 */
2241 *dam *= kill_lev / def_lev;
2242 }
2243 }
2244 else
2245 *dam = 0; /* no harm done */
2246}
2247
2248/* thrown_item_effect() - handles any special effects of thrown
2249 * items (like attacking living creatures--a potion thrown at a
2250 * monster).
2251 */
2252static void
2253thrown_item_effect (object *hitter, object *victim)
2254{
2255 if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2256 {
2257 /* May not need a switch for just 2 types, but this makes it
2258 * easier for expansion.
2259 */
2260 switch (hitter->type)
2261 {
2262 case POTION:
2263 /* should player get a save throw instead of checking magic protection? */
2264 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
2265 (void) apply_potion (victim, hitter);
2266 break;
2267
2268 case POISON: /* poison drinks */
2269 /* As with potions, should monster get a save? */
2270 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
2271 apply_poison (victim, hitter);
2272 break;
2273
2274 /* Removed case statements that did nothing.
2275 * food may be poisonous, but monster must be willing to eat it,
2276 * so we don't handle it here.
2277 * Containers should perhaps break open, but that code was disabled.
2278 */
2279 }
2280 }
2281}
2282
2283/* adj_attackroll() - adjustments to attacks by various conditions */
2284int
2285adj_attackroll (object *hitter, object *target)
2286{
2287 object *attacker = hitter;
2288 int adjust = 0;
2289
2290 /* safety */
2291 if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
2292 {
2293 LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
2294 return 0;
2295 }
2296
2297 /* aimed missiles use the owning object's sight */
2298 if (is_aimed_missile (hitter))
2299 {
2300 if ((attacker = hitter->owner) == NULL)
2301 attacker = hitter;
2302 /* A player who saves but hasn't quit still could have objects
2303 * owned by him - need to handle that case to avoid crashes.
2304 */
2305 if (QUERY_FLAG (attacker, FLAG_REMOVED))
2306 attacker = hitter;
2307 }
2308 else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2309 return 0;
2310
2311 /* determine the condtions under which we make an attack.
2312 * Add more cases, as the need occurs. */
2313
2314 if (!can_see_enemy (attacker, target))
2315 {
2316 /* target is unseen */
2317 if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
2318 adjust -= 10;
2319 /* dark map penalty for the hitter (lacks infravision if we got here). */
2320 else if (target->map && target->map->darkness > 0 && !stand_in_light (target))
2321 adjust -= target->map->darkness;
2322 }
2323
2324 if (QUERY_FLAG (attacker, FLAG_SCARED))
2325 adjust -= 3;
2326
2327 if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
2328 adjust += 1;
2329
2330 if (QUERY_FLAG (target, FLAG_SCARED))
2331 adjust += 1;
2332
2333 if (QUERY_FLAG (attacker, FLAG_CONFUSED))
2334 adjust -= 3;
2335
2336 /* if we attack at a different 'altitude' its harder */
2337 if ((attacker->move_type & target->move_type) == 0)
2338 adjust -= 2;
2339
2340#if 0
2341 /* slower attacks are less likely to succeed. We should use a
2342 * comparison between attacker/target speeds BUT, players have
2343 * a generally faster speed, so this will wind up being a HUGE
2344 * disadantage for the monsters! Too bad, because missiles which
2345 * fly fast should have a better chance of hitting a slower target.
2346 */
2347 if (hitter->speed < target->speed)
2348 adjust += ((float) hitter->speed - target->speed);
2349#endif
2350
2351#if 0
2352 LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
2353#endif
2354
2355 return adjust;
2356}
2357
2358/* determine if the object is an 'aimed' missile */
2359int
2360is_aimed_missile (object *op)
2361{
2362
2363 /* I broke what used to be one big if into a few nested
2364 * ones so that figuring out the logic is at least possible.
2365 */
2366 if (op && (op->move_type & MOVE_FLYING))
2367 if (op->type == ARROW || op->type == THROWN_OBJ)
2368 return 1;
2369 else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
2370 return 1;
2371
2372 return 0;
2373}

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