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Comparing deliantra/server/server/attack.C (file contents):
Revision 1.75 by root, Mon Aug 27 05:10:51 2007 UTC vs.
Revision 1.133 by root, Fri Apr 2 03:41:24 2010 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 (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 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
144save_throw_object (object *op, int type, object *originator) 134save_throw_object (object *op, int type, object *originator)
145{ 135{
136 op = op->head_ ();
137
146 if (!did_make_save_item (op, type, originator)) 138 if (!did_make_save_item (op, type, originator))
147 { 139 {
148 object *env = op->env; 140 object *env = op->env;
149 int x = op->x, y = op->y; 141 int x = op->x, y = op->y;
150 maptile *m = op->map; 142 maptile *m = op->map;
151 143
152 op = stop_item (op); 144 op = stop_item (op);
153 if (op == NULL) 145 if (!op)
154 return; 146 return;
155 147
156 /* Hacked the following so that type LIGHTER will work. 148 /* Hacked the following so that type LIGHTER will work.
157 * Also, objects which are potenital "lights" that are hit by 149 * Also, objects which are potential "lights" that are hit by
158 * flame/elect attacks will be set to glow. "lights" are any 150 * flame/elect attacks will be set to glow. "lights" are any
159 * object with +/- glow_radius and an "other_arch" to change to. 151 * object with +/- glow_radius and an "other_arch" to change to.
160 * (and please note that we cant fail our save and reach this 152 * (and please note that we cant fail our save and reach this
161 * function if the object doesnt contain a material that can burn. 153 * function if the object doesnt contain a material that can burn.
162 * So forget lighting magical swords on fire with this!) -b.t. 154 * So forget lighting magical swords on fire with this!) -b.t.
163 */ 155 */
164 if (type & (AT_FIRE | AT_ELECTRICITY) && op->other_arch && QUERY_FLAG (op, FLAG_IS_LIGHTABLE)) 156 if (type & (AT_FIRE | AT_ELECTRICITY))
165 { 157 {
166 const char *arch = op->other_arch->archname; 158 // seems LAMPs and TORCHes are always IS_LIGHTABLE?
167 159 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 { 160 {
175 if (env) 161 apply_lamp (op, true); // turn on a lamp
162 return;
163 }
164 else if (op->flag [FLAG_IS_LIGHTABLE])
165 {
166 if (op->other_arch)
176 { 167 {
177 op->x = env->x, op->y = env->y; 168 const char *arch = op->other_arch->archname;
178 insert_ob_in_ob (op, env); 169
170 if (op->decrease ())
171 fix_stopped_item (op, m, originator);
172
173 if ((op = archetype::get (arch)))
174 {
179 if (env->contr) 175 if (env)
180 esrv_send_item (env, op); 176 env->insert (op);
177 else
178 m->insert (op, x, y, originator);
179 }
181 } 180 }
181
182 else 182 return;
183 {
184 op->x = x, op->y = y;
185 insert_ob_in_map (op, m, originator, 0);
186 }
187 } 183 }
188
189 return;
190 } 184 }
191 185
192 if (type & AT_CANCELLATION) 186 if (type & AT_CANCELLATION)
193 { /* Cancellation. */ 187 { /* Cancellation. */
194 cancellation (op); 188 cancellation (op);
195 fix_stopped_item (op, m, originator); 189 fix_stopped_item (op, m, originator);
190
196 return; 191 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 } 192 }
218 193
219 if (type & (AT_FIRE | AT_ELECTRICITY)) 194 if (type & (AT_FIRE | AT_ELECTRICITY))
220 if (env) 195 if (env)
221 { 196 {
222 op = get_archetype ("burnout"); 197 object *op = archetype::get (shstr_burnout);
223 op->x = env->x, op->y = env->y; 198 op->x = env->x, op->y = env->y;
224 insert_ob_in_ob (op, env); 199 env->insert (op);
225 } 200 }
226 else 201 else
227 replace_insert_ob_in_map ("burnout", originator); 202 replace_insert_ob_in_map (shstr_burnout, originator);
203
204 if (op->nrof > 1)
205 {
206 if (op->decrease (rndm (0, op->nrof - 1)))
207 fix_stopped_item (op, m, originator);
208 }
209 else
210 {
211 // drop everything to the ground, if possible
212 op->insert_at (originator);
213 op->drop_and_destroy ();
214 }
228 215
229 return; 216 return;
230 } 217 }
231 218
232 /* The value of 50 is arbitrary. */ 219 /* The value of 50 is arbitrary. */
233 if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && (RANDOM () & 2)) 220 if (type & AT_COLD && (op->resist[ATNR_COLD] < 50) && !QUERY_FLAG (op, FLAG_NO_PICK) && rndm (2))
234 { 221 {
235 object *tmp;
236 archetype *at = archetype::find ("icecube"); 222 archetype *at = archetype::find (shstr_icecube);
237 223
238 if (at == NULL) 224 if (at == NULL)
239 return; 225 return;
240 226
241 op = stop_item (op); 227 op = stop_item (op);
242 if (op == NULL) 228 if (op == NULL)
243 return; 229 return;
244 230
245 if ((tmp = present_arch (at, op->map, op->x, op->y)) == NULL) 231 object *tmp = present_arch (at, op->map, op->x, op->y);
232 if (!tmp)
246 { 233 {
247 tmp = arch_to_object (at); 234 tmp = at->instance ();
248 tmp->x = op->x, tmp->y = op->y; 235 tmp->x = op->x, tmp->y = op->y;
249 /* This was in the old (pre new movement code) - 236 /* This was in the old (pre new movement code) -
250 * icecubes have slow_move set to 1 - don't want 237 * icecubes have slow_move set to 1 - don't want
251 * that for ones we create. 238 * that for ones we create.
252 */ 239 */
253 tmp->move_slow_penalty = 0; 240 tmp->move_slow_penalty = 0;
254 tmp->move_slow = 0; 241 tmp->move_slow = 0;
255 insert_ob_in_map (tmp, op->map, originator, 0); 242 insert_ob_in_map (tmp, op->map, originator, 0);
256 } 243 }
257 244
258 if (!QUERY_FLAG (op, FLAG_REMOVED)) 245 tmp->insert (op);
259 op->remove ();
260
261 insert_ob_in_ob (op, tmp);
262 return; 246 return;
263 } 247 }
264} 248}
265 249
266/* Object op is hitting the map. 250/* Object op is hitting the map.
… …
268 * type is the attacktype of the object. 252 * type is the attacktype of the object.
269 * full_hit is set if monster area does not matter. 253 * full_hit is set if monster area does not matter.
270 * returns 1 if it hits something, 0 otherwise. 254 * returns 1 if it hits something, 0 otherwise.
271 */ 255 */
272int 256int
273hit_map (object *op, int dir, int type, int full_hit) 257hit_map (object *op, int dir, uint32_t type, int full_hit)
274{ 258{
275 maptile *map; 259 maptile *map;
276 sint16 x, y; 260 sint16 x, y;
277 int retflag = 0; /* added this flag.. will return 1 if it hits a monster */ 261 int retflag = 0; /* added this flag.. will return 1 if it hits a monster */
278 262
… …
295 } 279 }
296 280
297 if (op->head) 281 if (op->head)
298 op = op->head; 282 op = op->head;
299 283
300 map = op->map; 284 mapxy pos (op);
301 x = op->x + freearr_x[dir]; 285 pos.move (dir);
302 y = op->y + freearr_y[dir];
303 286
304 if (!xy_normalise (map, x, y)) 287 if (!pos.normalise ())
305 return 0; 288 return 0;
306 289
307 // elmex: a safe map tile can't be hit! 290 // elmex: a safe map tile can't be hit!
308 // this should prevent most harmful effects on items and players there. 291 // this should prevent most harmful effects on items and players there.
309 mapspace &ms = map->at (x, y); 292 mapspace &ms = pos.ms ();
310 293
311 if (ms.flags () & P_SAFE) 294 if (ms.flags () & P_SAFE)
312 return 0; 295 return 0;
313 296
314 /* peterm: a few special cases for special attacktypes --counterspell 297 /* peterm: a few special cases for special attacktypes --counterspell
… …
352 335
353 /* Something could have happened to 'tmp' while 'tmp->below' was processed. 336 /* Something could have happened to 'tmp' while 'tmp->below' was processed.
354 * For example, 'tmp' was put in an icecube. 337 * For example, 'tmp' was put in an icecube.
355 * This is one of the few cases where on_same_map should not be used. 338 * This is one of the few cases where on_same_map should not be used.
356 */ 339 */
357 if (tmp->map != map || tmp->x != x || tmp->y != y) 340 if (tmp->map != pos.m || tmp->x != pos.x || tmp->y != pos.y)
358 continue; 341 continue;
359 342
360 if (QUERY_FLAG (tmp, FLAG_ALIVE)) 343 if (QUERY_FLAG (tmp, FLAG_ALIVE))
361 { 344 {
362 hit_player (tmp, op->stats.dam, op, type, full_hit); 345 hit_player (tmp, op->stats.dam, op, type, full_hit);
… …
369 * NO_PASS set, it is also immune - you can't destroy walls. Note 352 * 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 353 * that weak walls have is_alive set, which prevent objects from
371 * passing over/through them. We don't care what type of movement 354 * 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 355 * the wall blocks - if it blocks any type of movement, can't be
373 * destroyed right now. 356 * destroyed right now.
357 * Without the material check the server completely fails to work,
358 * objects detsroy themselves, floors get destroyed etc. etc.
374 */ 359 */
375 else if (tmp->materialname && op->stats.dam > 0 && !tmp->move_block) 360 else if (op->stats.dam > 0 && !tmp->move_block && tmp->material != MATERIAL_NULL)
376 { 361 {
377 save_throw_object (tmp, type, op); 362 save_throw_object (tmp, type, op);
378 363
379 if (op->destroyed ()) 364 if (op->destroyed ())
380 break; 365 break;
… …
382 } 367 }
383 368
384 return 0; 369 return 0;
385} 370}
386 371
387void 372static void
388attack_message (int dam, int type, object *op, object *hitter) 373attack_message (int dam, int type, object *op, object *hitter)
389{ 374{
390 char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF]; 375 char buf[MAX_BUF], buf1[MAX_BUF], buf2[MAX_BUF];
391 int i, found = 0; 376 int i, found = 0;
392 maptile *map; 377 maptile *map;
… …
394 379
395 /* put in a few special messages for some of the common attacktypes 380 /* put in a few special messages for some of the common attacktypes
396 * a player might have. For example, fire, electric, cold, etc 381 * a player might have. For example, fire, electric, cold, etc
397 * [garbled 20010919] 382 * [garbled 20010919]
398 */ 383 */
399
400 if (dam == 9998 && op->type == DOOR) 384 if (dam == 9998 && op->type == DOOR)
401 { 385 {
402 sprintf (buf1, "unlock %s", &op->name); 386 sprintf (buf1, "unlock %s", &op->name);
403 sprintf (buf2, " unlocks"); 387 sprintf (buf2, " unlocks");
404 found++; 388 found++;
405 } 389 }
406 if (dam < 0) 390 else if (dam < 0)
407 { 391 {
408 sprintf (buf1, "hit %s", &op->name); 392 sprintf (buf1, "hit %s", &op->name);
409 sprintf (buf2, " hits"); 393 sprintf (buf2, " hits");
410 found++; 394 found++;
411 } 395 }
… …
533 strcpy (buf2, attack_mess[ATM_FIRE][i].buf3); 517 strcpy (buf2, attack_mess[ATM_FIRE][i].buf3);
534 found++; 518 found++;
535 break; 519 break;
536 } 520 }
537 } 521 }
538 else if (hitter->current_weapon != NULL) 522 else if (hitter->current_weapon)
539 { 523 {
540 int mtype; 524 int mtype;
541 525
542 switch (hitter->current_weapon->weapontype) 526 switch (hitter->current_weapon->weapontype)
543 { 527 {
544 case WEAP_HIT: 528 case WEAP_HIT: mtype = ATM_BASIC; break;
545 mtype = ATM_BASIC; 529 case WEAP_SLASH: mtype = ATM_SLASH; break;
546 break; 530 case WEAP_PIERCE: mtype = ATM_PIERCE; break;
547 case WEAP_SLASH: 531 case WEAP_CLEAVE: mtype = ATM_CLEAVE; break;
548 mtype = ATM_SLASH; 532 case WEAP_SLICE: mtype = ATM_SLICE; break;
549 break; 533 case WEAP_STAB: mtype = ATM_STAB; break;
550 case WEAP_PIERCE: 534 case WEAP_WHIP: mtype = ATM_WHIP; break;
551 mtype = ATM_PIERCE; 535 case WEAP_CRUSH: mtype = ATM_CRUSH; break;
552 break; 536 case WEAP_BLUD: mtype = ATM_BLUD; break;
553 case WEAP_CLEAVE: 537 default: mtype = ATM_BASIC; break;
554 mtype = ATM_CLEAVE;
555 break;
556 case WEAP_SLICE:
557 mtype = ATM_SLICE;
558 break;
559 case WEAP_STAB:
560 mtype = ATM_STAB;
561 break;
562 case WEAP_WHIP:
563 mtype = ATM_WHIP;
564 break;
565 case WEAP_CRUSH:
566 mtype = ATM_CRUSH;
567 break;
568 case WEAP_BLUD:
569 mtype = ATM_BLUD;
570 break;
571 default:
572 mtype = ATM_BASIC;
573 break;
574 } 538 }
539
575 for (i = 0; i < MAXATTACKMESS && attack_mess[mtype][i].level != -1; i++) 540 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) 541 if (dam < attack_mess[mtype][i].level || attack_mess[mtype][i + 1].level == -1)
577 { 542 {
578 sprintf (buf1, "%s %s%s", attack_mess[mtype][i].buf1, &op->name, attack_mess[mtype][i].buf2); 543 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); 544 strcpy (buf2, attack_mess[mtype][i].buf3);
… …
680 op->play_sound (sound_find ("player_hits4")); 645 op->play_sound (sound_find ("player_hits4"));
681 new_draw_info (NDI_BLACK, 0, hitter->owner, buf); 646 new_draw_info (NDI_BLACK, 0, hitter->owner, buf);
682 } 647 }
683} 648}
684 649
685
686static int 650static int
687get_attack_mode (object **target, object **hitter, int *simple_attack) 651get_attack_mode (object **target, object **hitter, int *simple_attack)
688{ 652{
689 if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED)) 653 if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))
690 { 654 {
691 LOG (llevError, "BUG: get_attack_mode(): freed object\n"); 655 LOG (llevError, "BUG: get_attack_mode(): freed object\n");
692 return 1; 656 return 1;
693 } 657 }
694 if ((*target)->head) 658
695 *target = (*target)->head; 659 *target = (*target)->head_ ();
696 if ((*hitter)->head)
697 *hitter = (*hitter)->head; 660 *hitter = (*hitter)->head_ ();
661
662 if ((*target)->type == LOCKED_DOOR)
663 return 1; // locked doors cannot be hit
664
698 if ((*hitter)->env != NULL || (*target)->env != NULL) 665 if ((*hitter)->env || (*target)->env)
699 { 666 {
700 *simple_attack = 1; 667 *simple_attack = 1;
701 return 0; 668 return 0;
702 } 669 }
670
703 if (QUERY_FLAG (*target, FLAG_REMOVED) 671 if (QUERY_FLAG (*target, FLAG_REMOVED)
704 || QUERY_FLAG (*hitter, FLAG_REMOVED) || (*hitter)->map == NULL || !on_same_map ((*hitter), (*target))) 672 || QUERY_FLAG (*hitter, FLAG_REMOVED)
673 || !(*hitter)->map
674 || !on_same_map (*hitter, *target))
705 { 675 {
706 LOG (llevError, "BUG: hitter (arch %s, name %s) with no relation to " "target\n", &(*hitter)->arch->archname, &(*hitter)->name); 676 LOG (llevError | logBacktrace, "BUG: hitter (%s) with no relation to target (%s)\n",
677 (*hitter)->debug_desc (), (*target)->debug_desc ());
707 return 1; 678 return 1;
708 } 679 }
680
709 *simple_attack = 0; 681 *simple_attack = 0;
710 return 0; 682 return 0;
711} 683}
712 684
713static int 685static int
714abort_attack (object *target, object *hitter, int simple_attack) 686abort_attack (object *target, object *hitter, int simple_attack)
715{ 687{
716
717/* Check if target and hitter are still in a relation similar to the one 688 /* Check if target and hitter are still in a relation similar to the one
718 * determined by get_attack_mode(). Returns true if the relation has changed. 689 * determined by get_attack_mode(). Returns true if the relation has changed.
719 */ 690 */
720 int new_mode; 691 int new_mode;
721 692
722 if (hitter->env == target || target->env == hitter) 693 if (hitter->env == target || target->env == hitter)
723 new_mode = 1; 694 new_mode = 1;
724 else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED) || hitter->map == NULL || !on_same_map (hitter, target)) 695 else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED)
696 || hitter->map == NULL || !on_same_map (hitter, target))
725 return 1; 697 return 1;
726 else 698 else
727 new_mode = 0; 699 new_mode = 0;
700
728 return new_mode != simple_attack; 701 return new_mode != simple_attack;
729} 702}
730 703
704/* thrown_item_effect() - handles any special effects of thrown
705 * items (like attacking living creatures--a potion thrown at a
706 * monster).
707 */
708static void
731static void thrown_item_effect (object *, object *); 709thrown_item_effect (object *hitter, object *victim)
710{
711 if (!QUERY_FLAG (hitter, FLAG_ALIVE))
712 {
713 /* May not need a switch for just 2 types, but this makes it
714 * easier for expansion.
715 */
716 switch (hitter->type)
717 {
718 case POTION:
719 /* should player get a save throw instead of checking magic protection? */
720 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
721 apply_potion (victim, hitter);
722 break;
723
724 case POISON: /* poison drinks */
725 /* As with potions, should monster get a save? */
726 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
727 apply_poison (victim, hitter);
728 break;
729
730 /* Removed case statements that did nothing.
731 * food may be poisonous, but monster must be willing to eat it,
732 * so we don't handle it here.
733 * Containers should perhaps break open, but that code was disabled.
734 */
735 }
736 }
737}
738
739/* determine if the object is an 'aimed' missile */
740static int
741is_aimed_missile (object *op)
742{
743
744 /* I broke what used to be one big if into a few nested
745 * ones so that figuring out the logic is at least possible.
746 */
747 if (op && (op->move_type & MOVE_FLYING))
748 if (op->type == ARROW || op->type == THROWN_OBJ)
749 return 1;
750 else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
751 return 1;
752
753 return 0;
754}
755/* adj_attackroll() - adjustments to attacks by various conditions */
756static int
757adj_attackroll (object *hitter, object *target)
758{
759 object *attacker = hitter;
760 int adjust = 0;
761
762 /* safety */
763 if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
764 {
765 LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
766 return 0;
767 }
768
769 /* aimed missiles use the owning object's sight */
770 if (is_aimed_missile (hitter))
771 {
772 if ((attacker = hitter->owner) == NULL)
773 attacker = hitter;
774 /* A player who saves but hasn't quit still could have objects
775 * owned by him - need to handle that case to avoid crashes.
776 */
777 if (QUERY_FLAG (attacker, FLAG_REMOVED))
778 attacker = hitter;
779 }
780 else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
781 return 0;
782
783 /* determine the condtions under which we make an attack.
784 * Add more cases, as the need occurs. */
785
786 if (!can_see_enemy (attacker, target))
787 {
788 /* target is unseen */
789 if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
790 adjust -= 10;
791 /* dark map penalty for the hitter (lacks infravision if we got here). */
792 else if (!stand_in_light (target))
793 adjust -= target->map->darklevel ();
794 }
795
796 if (QUERY_FLAG (attacker, FLAG_SCARED))
797 adjust -= 3;
798
799 if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
800 adjust += 1;
801
802 if (QUERY_FLAG (target, FLAG_SCARED))
803 adjust += 1;
804
805 if (QUERY_FLAG (attacker, FLAG_CONFUSED))
806 adjust -= 3;
807
808 /* if we attack at a different 'altitude' its harder */
809 if ((attacker->move_type & target->move_type) == 0)
810 adjust -= 2;
811
812#if 0
813 /* slower attacks are less likely to succeed. We should use a
814 * comparison between attacker/target speeds BUT, players have
815 * a generally faster speed, so this will wind up being a HUGE
816 * disadantage for the monsters! Too bad, because missiles which
817 * fly fast should have a better chance of hitting a slower target.
818 */
819 if (hitter->speed < target->speed)
820 adjust += ((float) hitter->speed - target->speed);
821#endif
822
823#if 0
824 LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
825#endif
826
827 return adjust;
828}
732 829
733static int 830static int
734attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc) 831attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)
735{ 832{
736 int simple_attack, roll, dam = 0; 833 int simple_attack, roll, dam = 0;
… …
749 846
750 /* 847 /*
751 * A little check to make it more difficult to dance forward and back 848 * A little check to make it more difficult to dance forward and back
752 * to avoid ever being hit by monsters. 849 * to avoid ever being hit by monsters.
753 */ 850 */
754 if (!simple_attack && QUERY_FLAG (op, FLAG_MONSTER) && op->speed_left > abs (op->speed) * -0.3f) 851 if (!simple_attack && QUERY_FLAG (op, FLAG_MONSTER) && op->speed_left > op->speed * -0.3f)
755 { 852 {
756 /* Decrease speed BEFORE calling process_object. Otherwise, an 853 /* Decrease speed BEFORE calling process_object. Otherwise, an
757 * infinite loop occurs, with process_object calling move_monster, 854 * infinite loop occurs, with process_object calling move_monster,
758 * which then gets here again. By decreasing the speed before 855 * which then gets here again. By decreasing the speed before
759 * we call process_object, the 'if' statement above will fail. 856 * we call process_object, the 'if' statement above will fail.
… …
790 * for help. */ 887 * for help. */
791 if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int)) 888 if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))
792 npc_call_help (op); 889 npc_call_help (op);
793 890
794 /* if you were hidden and hit by a creature, you are discovered */ 891 /* if you were hidden and hit by a creature, you are discovered */
795 if (op->hide && QUERY_FLAG (hitter, FLAG_ALIVE)) 892 if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])
796 { 893 {
797 make_visible (op); 894 make_visible (op);
798 895
799 if (op->type == PLAYER) 896 if (op->type == PLAYER)
800 new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. " "You are no longer hidden!"); 897 new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. You are no longer hidden!");
801 } 898 }
802 899
803 /* thrown items (hitter) will have various effects 900 /* thrown items (hitter) will have various effects
804 * when they hit the victim. For things like thrown daggers, 901 * when they hit the victim. For things like thrown daggers,
805 * this sets 'hitter' to the actual dagger, and not the 902 * this sets 'hitter' to the actual dagger, and not the
… …
817 if (hitdam <= 0) 914 if (hitdam <= 0)
818 hitdam = 1; 915 hitdam = 1;
819 916
820 type = hitter->attacktype; 917 type = hitter->attacktype;
821 918
919 /* Ok, because some of the brainfucks of the good *sigh* old *sigh*
920 * Crossfire we have to default the attacktype here to AT_PHYSICAL.
921 * This check is important for the most simple monsters out there in the
922 * game content (maps, archs). For example orcs: They would have
923 * no attacktype at all.
924 *
925 * Some time in the future someone should just go into the game data
926 * and fix every monster out there ;-/ Until then we will kill some
927 * more trees in the african rain forests with this check.
928 */
822 if (!type) 929 if (!type)
823 type = AT_PHYSICAL; 930 type = AT_PHYSICAL;
824 931
825 /* Handle monsters that hit back */ 932 /* Handle monsters that hit back */
826 if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE)) 933 if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))
… …
877 * debate - 5000 is 5 kg, so arrows, knives, and other light weapons 984 * debate - 5000 is 5 kg, so arrows, knives, and other light weapons
878 * stick around. 985 * stick around.
879 */ 986 */
880 if (op->weight <= 5000 && tmp->stats.hp >= 0) 987 if (op->weight <= 5000 && tmp->stats.hp >= 0)
881 { 988 {
882 tmp = tmp->head_ (); 989 tmp->head_ ()->insert (op);
883
884 op->remove ();
885 op = insert_ob_in_ob (op, tmp);
886
887 if (tmp->type == PLAYER)
888 esrv_send_item (tmp, op);
889
890 return 1; 990 return 1;
891 } 991 }
892 else 992 else
893 return 0; 993 return 0;
894} 994}
… …
908 /* Disassemble missile */ 1008 /* Disassemble missile */
909 if (op->inv) 1009 if (op->inv)
910 { 1010 {
911 container = op; 1011 container = op;
912 hitter = op->inv; 1012 hitter = op->inv;
913 hitter->remove ();
914 insert_ob_in_map (hitter, container->map, hitter, INS_NO_MERGE | INS_NO_WALK_ON); 1013 hitter->insert_at (container, hitter, INS_NO_MERGE | INS_NO_WALK_ON);
915 /* Note that we now have an empty THROWN_OBJ on the map. Code that 1014 /* Note that we now have an empty THROWN_OBJ on the map. Code that
916 * might be called until this THROWN_OBJ is either reassembled or 1015 * might be called until this THROWN_OBJ is either reassembled or
917 * removed at the end of this function must be able to deal with empty 1016 * removed at the end of this function must be able to deal with empty
918 * THROWN_OBJs. */ 1017 * THROWN_OBJs. */
919 } 1018 }
… …
933 * other places as well!) 1032 * other places as well!)
934 */ 1033 */
935 if (hitter->destroyed () || hitter->env != NULL) 1034 if (hitter->destroyed () || hitter->env != NULL)
936 { 1035 {
937 if (container) 1036 if (container)
938 {
939 container->remove ();
940 container->destroy (); 1037 container->destroy ();
941 }
942 1038
943 return 0; 1039 return 0;
944 } 1040 }
945 1041
946 /* Missile hit victim */ 1042 /* Missile hit victim */
… …
970 * can fly over but not otherwise move over. What is the correct 1066 * can fly over but not otherwise move over. What is the correct
971 * way to handle those otherwise? 1067 * way to handle those otherwise?
972 */ 1068 */
973 if (victim->x != hitter->x || victim->y != hitter->y) 1069 if (victim->x != hitter->x || victim->y != hitter->y)
974 { 1070 {
1071 if (victim->destroyed ())
1072 hitter->destroy ();
1073 else
1074 {
975 hitter->remove (); 1075 hitter->remove ();
976 hitter->x = victim->x; 1076 hitter->x = victim->x;
977 hitter->y = victim->y; 1077 hitter->y = victim->y;
978 insert_ob_in_map (hitter, victim->map, hitter, 0); 1078 insert_ob_in_map (hitter, victim->map, hitter, 0);
1079 }
979 } 1080 }
980 else 1081 else
981 /* Else leave arrow where it is */ 1082 /* Else leave arrow where it is */
982 merge_ob (hitter, NULL); 1083 merge_ob (hitter, NULL);
983 1084
… …
995 } 1096 }
996 1097
997 return op; 1098 return op;
998} 1099}
999 1100
1000void 1101static void
1001tear_down_wall (object *op) 1102tear_down_wall (object *op)
1002{ 1103{
1003 int perc = 0;
1004
1005 if (!op->stats.maxhp) 1104 if (!op->stats.maxhp)
1006 {
1007 LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name); 1105 LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);
1008 perc = 1; 1106 else if (!op->has_anim ())
1009 }
1010 else if (!GET_ANIM_ID (op))
1011 { 1107 {
1012 /* Object has been called - no animations, so remove it */ 1108 /* Object has been called - no animations, so remove it */
1013 if (op->stats.hp < 0) 1109 if (op->stats.hp < 0)
1014 op->destroy (); 1110 op->destroy ();
1015 1111
1016 return; /* no animations, so nothing more to do */ 1112 return; /* no animations, so nothing more to do */
1017 } 1113 }
1018 1114
1019 perc = NUM_ANIMATIONS (op) - ((int) NUM_ANIMATIONS (op) * op->stats.hp) / op->stats.maxhp; 1115 // we use frames 1..num-2 as intermediate frames, so
1116 // the last frame is used only when hp < 0.
1117 int perc = clamp (
1118 lerp_ru<int> (op->stats.hp, 0, op->stats.maxhp, op->anim_frames () - 2, 0),
1119 0, op->anim_frames () - 1
1120 );
1020 1121
1021 if (perc >= (int) NUM_ANIMATIONS (op)) 1122 op->set_anim_frame (perc);
1022 perc = NUM_ANIMATIONS (op) - 1;
1023 else if (perc < 1)
1024 perc = 1;
1025
1026 SET_ANIMATION (op, perc);
1027 update_object (op, UP_OBJ_FACE); 1123 update_object (op, UP_OBJ_FACE);
1028 1124
1029 if (perc == NUM_ANIMATIONS (op) - 1) 1125 if (op->stats.hp < 0)
1030 { /* Reached the last animation */ 1126 { /* Reached the last animation */
1031 if (op->face == blank_face) 1127 if (op->face == blank_face)
1032 /* If the last face is blank, remove the ob */ 1128 /* If the last face is blank, remove the ob */
1033 op->destroy (); 1129 op->destroy ();
1034 else 1130 else
1035 { /* The last face was not blank, leave an image */ 1131 { /* The last face was not blank, leave an image */
1036 CLEAR_FLAG (op, FLAG_BLOCKSVIEW); 1132 op->flag [FLAG_BLOCKSVIEW] = false;
1037 update_all_los (op->map, op->x, op->y); 1133 update_all_los (op->map, op->x, op->y);
1038 op->move_block = 0; 1134 op->move_block = 0;
1039 CLEAR_FLAG (op, FLAG_ALIVE); 1135 op->flag [FLAG_ALIVE] = false;
1040 } 1136 }
1041 } 1137 }
1042} 1138}
1043 1139
1044void 1140static void
1045scare_creature (object *target, object *hitter) 1141scare_creature (object *target, object *hitter)
1046{ 1142{
1047 object *owner = hitter->owner; 1143 target->flag [FLAG_SCARED] = true;
1048 1144
1145 if (!target->enemy)
1146 target->enemy = hitter->outer_owner ();
1147}
1148
1149/* GROS: This code comes from hit_player. It has been made external to
1150 * allow script procedures to "kill" objects in a combat-like fashion.
1151 * It was initially used by (kill-object) developed for the Collector's
1152 * Sword. Note that nothing has been changed from the original version
1153 * of the following code.
1154 * op is what is being killed.
1155 * dam is the damage done to it.
1156 * hitter is what is hitting it.
1157 * type is the attacktype.
1158 *
1159 * This function was a bit of a mess with hitter getting changed,
1160 * values being stored away but not used, etc. I've cleaned it up
1161 * a bit - I think it should be functionally equivalant.
1162 * MSW 2002-07-17
1163 */
1164int
1165kill_object (object *op, int dam, object *hitter, int type)
1166{
1167 char buf[MAX_BUF];
1168 shstr skill;
1169 int maxdam = 0;
1170 int battleg = 0; /* true if op standing on battleground */
1171 int pk = 0; /* true if op and what controls hitter are both players */
1172 object *owner = 0;
1173 object *skop = 0;
1174
1175 if (op->stats.hp >= 0)
1176 return -1;
1177
1178 if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1179 return 0;
1180
1181 /* maxdam needs to be the amount of damage it took to kill
1182 * this creature. The function(s) that call us have already
1183 * adjusted the creatures HP total, so that is negative.
1184 */
1185 maxdam = dam + op->stats.hp + 1;
1186
1187 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1188 update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1189
1190 if (op->type == DOOR)
1191 {
1192 op->set_speed (0.1f);
1193 op->speed_left = -0.05f;
1194 return maxdam;
1195 }
1196
1197 if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1198 {
1199 op->drop_and_destroy ();
1200 return maxdam;
1201 }
1202
1203 /* Now lets start dealing with experience we get for killing something */
1204
1205 owner = hitter->outer_owner ();
1049 if (!owner) 1206 if (!owner)
1050 owner = hitter; 1207 owner = hitter;
1051 1208
1209 /* is the victim (op) standing on battleground? */
1210 if (op_on_battleground (op, NULL, NULL))
1211 battleg = 1;
1212
1213 /* is this player killing? */
1214 if (op->type == PLAYER && owner->type == PLAYER)
1215 pk = 1;
1216
1217 /* Player killed something */
1218 if (owner->type == PLAYER)
1219 {
1220 /* Log players killing other players - makes it easier to detect
1221 * and filter out malicious player killers - that is why the
1222 * ip address is included.
1223 */
1224 if (op->type == PLAYER && !battleg)
1225 {
1226 time_t t = time (NULL);
1227 struct tm *tmv;
1228 char buf[256];
1229
1230 tmv = localtime (&t);
1231 strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1232
1233 LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1234 }
1235
1236 /* try to filter some things out - basically, if you are
1237 * killing a level 1 creature and your level 20, you
1238 * probably don't want to see that.
1239 */
1240 if (owner->level < op->level * 2 || op->stats.exp > 1000)
1241 {
1242 if (owner != hitter)
1243 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1244 else
1245 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1246
1247 /* Only play sounds for melee kills */
1248 if (hitter->type == PLAYER)
1249 owner->play_sound (sound_find ("player_kills"));
1250 }
1251
1252 /* If a player kills another player, not on
1253 * battleground, the "killer" looses 1 luck. Since this is
1254 * not reversible, it's actually quite a pain IMHO. -AV
1255 * Fix bug in that we were changing the luck of the hitter, not
1256 * player that the object belonged to - so if you killed another player
1257 * with spells, pets, whatever, there was no penalty.
1258 * Changed to make luck penalty configurable in settings.
1259 */
1260 if (op->type == PLAYER && owner != op && !battleg)
1261 owner->change_luck (-settings.pk_luck_penalty);
1262
1263 /* This code below deals with finding the appropriate skill
1264 * to credit exp to. This is a bit problematic - we should
1265 * probably never really have to look at current_weapon->skill
1266 */
1267 if (hitter->skill && hitter->type != PLAYER)
1268 skill = hitter->skill;
1269 else if (owner->chosen_skill)
1270 {
1271 skop = owner->chosen_skill;
1272 skill = skop->skill;
1273 }
1274 else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
1275 skill = owner->current_weapon->skill;
1276 else
1277 {
1278 LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
1279 "op: %s\n" "hitter: %s\n" "owner: %s\n",
1280 owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
1281 skill = 0;
1282 }
1283
1284 /* We have the skill we want to credit to - now find the object this goes
1285 * to. Make sure skop is an actual skill, and not a skill tool!
1286 */
1287 skop = owner->contr->find_skill (skill);
1288 } /* Was it a player that hit somethign */
1289 else
1290 skill = 0;
1291
1292 /* These may have been set in the player code section above */
1293 if (!skop)
1294 skop = hitter->chosen_skill;
1295
1296 if (!skill && skop)
1297 skill = skop->skill;
1298
1299 /* If you didn't kill yourself, and your not the wizard */
1300 if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1301 {
1302 int exp;
1303
1304 /* Really don't give much experience for killing other players */
1305 // schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1306 if (battleg)
1307 {
1308 if (op->is_player ())
1309 {
1310 new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1311 new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1312 }
1313
1314 exp = 0;
1315 }
1316 else if (op->is_player ())
1317 exp = op->stats.exp / 1000;
1318 else
1319 exp = calc_skill_exp (owner, op, skop);
1320
1321 /* Don't know why this is set this way - doesn't make
1322 * sense to just divide everything by two for no reason.
1323 */
1324
1325 if (!settings.simple_exp)
1326 exp = exp / 2;
1327
1328 if (owner->type != PLAYER || owner->contr->party == NULL)
1329 change_exp (owner, exp, skill, 0);
1330 else
1331 {
1332 int shares = 0, count = 0;
1333 partylist *party = owner->contr->party;
1334
1335 add_kill_to_party (party, query_name (owner), query_name (op), exp);
1336
1337 for_all_players (pl)
1338 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1339 {
1340 count++;
1341 shares += (pl->ob->level + 4);
1342 }
1343
1344 if (count == 1 || shares > exp || !shares)
1345 change_exp (owner, exp, skill, SK_EXP_TOTAL);
1346 else
1347 {
1348 int share = exp / shares, given = 0, nexp;
1349
1350 for_all_players (pl)
1351 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1352 {
1353 nexp = (pl->ob->level + 4) * share;
1354 change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1355 given += nexp;
1356 }
1357
1358 exp -= given;
1359 /* give any remainder to the player */
1360 change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1361 }
1362 } /* else part of a party */
1363 } /* end if person didn't kill himself */
1364
1365 if (op->type != PLAYER)
1366 {
1367 if (QUERY_FLAG (op, FLAG_FRIENDLY))
1368 {
1369 object *owner1 = op->owner;
1370
1371 if (owner1 && owner1->type == PLAYER)
1372 {
1373 owner1->contr->play_sound (sound_find ("pet_is_killed"));
1374 /* Maybe we should include the owner that killed this, maybe not */
1375 new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
1376 }
1377
1378 remove_friendly_object (op);
1379 }
1380
1381 op->drop_and_destroy ();
1382 }
1383 else
1384 /* Player has been killed! */
1385 op->contr->killer = owner->type == PLAYER ? owner : hitter;
1386
1387 /* This was return -1 - that doesn't seem correct - if we return -1, process
1388 * continues in the calling function.
1389 */
1390 return maxdam;
1391}
1392
1393/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1394 * Returns 0 this is not friendly fire
1395 */
1396int
1397friendly_fire (object *op, object *hitter)
1398{
1399 object *owner;
1400 int friendlyfire;
1401
1402 if (hitter->head)
1403 hitter = hitter->head;
1404
1405 friendlyfire = 0;
1406
1407 if (op->type == PLAYER)
1408 {
1409 if (op_on_battleground (hitter, 0, 0))
1410 return 0;
1411
1412 if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1413 return 1;
1414
1415 if ((owner = hitter->owner) != NULL)
1416 {
1417 if (owner->type == PLAYER && owner->contr->peaceful == 1)
1418 friendlyfire = 2;
1419 }
1420
1421 if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1422 friendlyfire = 0;
1423 }
1424
1425 return friendlyfire;
1426}
1427
1428/* This isn't used just for players, but in fact most objects.
1429 * op is the object to be hit, dam is the amount of damage, hitter
1430 * is what is hitting the object, type is the attacktype, and
1431 * full_hit is set if monster area does not matter.
1432 * dam is base damage - protections/vulnerabilities/slaying matches can
1433 * modify it.
1434 */
1435/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1436 * which needs new attacktype AT_HOLYWORD to work . b.t. */
1437int
1438hit_player (object *op, int dam, object *hitter, uint32_t type, int full_hit)
1439{
1440 int magic = type & AT_MAGIC;
1441 int body_attack = op && op->head; /* Did we hit op's head? */
1442 int maxdam = 0, ndam = 0, attacktype = 1;
1443 int maxattacktype;
1444 int simple_attack;
1445 int rtn_kill = 0;
1446 int friendlyfire;
1447
1448 if (get_attack_mode (&op, &hitter, &simple_attack))
1449 return 0;
1450
1451 /* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1452 if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1453 return 0;
1454
1455 // only allow pk for hostile players
1456 if (op->type == PLAYER)
1457 {
1458 object *owner = hitter->owner;
1459
1460 if (!owner)
1461 owner = hitter;
1462
1463 if (owner->type == PLAYER
1464 && (!op_on_battleground (op, 0, 0)
1465 && (op->contr->peaceful || owner->contr->peaceful))
1466 && op != owner)
1467 return 0;
1468 }
1469
1470 if (body_attack)
1471 {
1472 /* slow and paralyze must hit the head. But we don't want to just
1473 * return - we still need to process other attacks the spell still
1474 * might have. So just remove the paralyze and slow attacktypes,
1475 * and keep on processing if we have other attacktypes.
1476 * return if only magic or nothing is left - under normal code
1477 * we don't attack with pure magic if there is another attacktype.
1478 * Only do processing if the initial attacktype includes one of those
1479 * attack so we don't cancel out things like magic bullet.
1480 */
1481 if (type & (AT_PARALYZE | AT_SLOW))
1482 {
1483 type &= ~(AT_PARALYZE | AT_SLOW);
1484
1485 if (!type || type == AT_MAGIC)
1486 return 0;
1487 }
1488 }
1489
1490 if (!simple_attack && op->type == DOOR)
1491 {
1492 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1493 if (tmp->type == RUNE || tmp->type == TRAP)
1494 {
1495 spring_trap (tmp, hitter);
1496
1497 if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1498 return 0;
1499
1500 break;
1501 }
1502 }
1503
1504 if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1505 {
1506 /* FIXME: If a player is killed by a rune in a door, the
1507 * destroyed() check above doesn't return, and might get here.
1508 */
1509
1510 /* FIXME: This for example happens when a dead door is on a mover and
1511 gets it's speed_left raised on each mover-tick.
1512 Doors are removed in a kinda funny way by giving them speed and speed_left
1513 and waiting for that to run out.
1514 */
1515 LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1516 return 0;
1517 }
1518
1519#ifdef ATTACK_DEBUG
1520 LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1521#endif
1522
1523 if (magic)
1524 {
1525 /* basically: dam = dam*(100-op->resist[attacknum])/100;
1526 * in case 0>dam>1, we try to "simulate" a float value-effect */
1527 dam = dam * (100 - op->resist[ATNR_MAGIC]);
1528 if (dam >= 100)
1529 dam /= 100;
1530 else
1531 dam = (dam > rndm (0, 99)) ? 1 : 0;
1532 }
1533
1534 /* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1535 * If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1536 */
1537 if (type & AT_CHAOS)
1538 {
1539 shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1540 update_object (op, UP_OBJ_FACE);
1541 type &= ~AT_CHAOS;
1542 }
1543
1544 /* Holyword is really an attacktype modifier (like magic is). If
1545 * holyword is part of an attacktype, then make sure the creature is
1546 * a proper match, otherwise no damage.
1547 */
1548 if (type & AT_HOLYWORD)
1549 {
1550 object *god;
1551
1552 if ((!hitter->slaying
1553 || (!(op->race && hitter->slaying.contains (op->race))
1554 && !(op->name && hitter->slaying.contains (op->name))))
1555 && (!QUERY_FLAG (op, FLAG_UNDEAD)
1556 || (hitter->title
1557 && (god = find_god (determine_god (hitter))) != NULL
1558 && god->race.contains (shstr_undead))))
1559 return 0;
1560 }
1561
1562 maxattacktype = type; /* initialise this to something */
1563 for_all_bits_sparse_32 (type, attacknum)
1564 {
1565 uint32_t attacktype = 1 << attacknum;
1566
1567 /* Magic isn't really a true attack type - it gets combined with other
1568 * attack types. As such, skip it over. However, if magic is
1569 * the only attacktype in the group, then still attack with it
1570 */
1571 if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1572 continue;
1573
1574 /* Go through and hit the player with each attacktype, one by one.
1575 * hit_player_attacktype only figures out the damage, doesn't inflict
1576 * it. It will do the appropriate action for attacktypes with
1577 * effects (slow, paralization, etc.
1578 */
1579 ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1580
1581 /* the >= causes us to prefer messages from special attacks, if
1582 * the damage is equal.
1583 */
1584 if (ndam >= maxdam)
1585 {
1586 maxdam = ndam;
1587 maxattacktype = 1 << attacknum;
1588 }
1589 }
1590
1591 /* if this is friendly fire then do a set % of damage only
1592 * Note - put a check in to make sure this attack is actually
1593 * doing damage - otherwise, the +1 in the code below will make
1594 * an attack do damage before when it otherwise didn't
1595 */
1596 friendlyfire = friendly_fire (op, hitter);
1597 if (friendlyfire && maxdam)
1598 {
1599 maxdam = ((dam * settings.set_friendly_fire) / 100);
1600
1601#ifdef ATTACK_DEBUG
1602 LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1603 friendlyfire, settings.set_friendly_fire, dam, maxdam);
1604#endif
1605 }
1606
1607 if (!full_hit)
1608 {
1609 int area;
1610 int remainder;
1611
1612 area = 0;
1613
1614 for (archetype *at = op->arch; at; at = (archetype *)at->more)
1615 area++;
1616
1617 assert (area > 0);
1618
1619 /* basically: maxdam /= area; we try to "simulate" a float
1620 value-effect */
1621 remainder = 100 * (maxdam % area) / area;
1622 maxdam /= area;
1623 if (rndm (100) < remainder)
1624 maxdam++;
1625 }
1626
1627#ifdef ATTACK_DEBUG
1628 LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1629#endif
1630
1631 // for now, only do this for active objects, otherwise they
1632 // keep a refcount for a long time and I see no usefulness
1633 // for an non-active objetc to know its enemy.
1634 if (op->active)
1635 if (hitter->owner)
1636 op->enemy = hitter->owner;
1637 else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1638 op->enemy = hitter;
1639
1640 if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1641 {
1642 /* The unaggressives look after themselves 8) */
1643 CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1644 npc_call_help (op);
1645 }
1646
1647 if (magic && did_make_save (op, op->level, 0))
1648 maxdam = maxdam / 2;
1649
1650 attack_message (maxdam, maxattacktype, op, hitter);
1651
1652 op->stats.hp -= maxdam;
1653
1654 /* Eneq(@csd.uu.se): Check to see if monster runs away. */
1655 if (op->stats.hp >= 0
1656 && (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
1657 && op->stats.hp * 100 < op->stats.maxhp * op->run_away)
1658 {
1659
1660 if (QUERY_FLAG (op, FLAG_MONSTER))
1661 SET_FLAG (op, FLAG_RUN_AWAY);
1662 else
1663 scare_creature (op, hitter);
1664 }
1665
1666 if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1667 {
1668 if (maxdam)
1669 tear_down_wall (op);
1670
1671 return maxdam; /* nothing more to do for wall */
1672 }
1673
1674 /* See if the creature has been killed */
1675 rtn_kill = kill_object (op, maxdam, hitter, type);
1676 if (rtn_kill != -1)
1677 return rtn_kill;
1678
1679 /* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1680 * that before if the player was immune to ghosthit, the monster
1681 * remained - that is no longer the case.
1682 */
1683 if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1684 hitter->drop_and_destroy ();
1685 /* Lets handle creatures that are splitting now */
1686 else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1687 {
1688 int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1689 int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1690 object *owner = op->owner;
1691
1692 if (!op->other_arch)
1693 {
1694 LOG (llevError, "SPLITTING without other_arch error.\n");
1695 return maxdam;
1696 }
1697
1698 op->remove ();
1699
1700 for (int i = 0; i < op->stats.food; i++)
1701 { /* This doesn't handle op->more yet */
1702 object *tmp = op->other_arch->instance ();
1703
1704 tmp->stats.hp = op->stats.hp;
1705
1706 if (friendly)
1707 {
1708 add_friendly_object (tmp);
1709 tmp->attack_movement = PETMOVE;
1710
1711 if (owner)
1712 tmp->set_owner (owner);
1713 }
1714
1715 if (unaggressive)
1716 SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1717
1718 int j = find_first_free_spot (tmp, op->map, op->x, op->y);
1719
1720 if (j == -1) /* No spot to put this monster */
1721 tmp->destroy ();
1722 else
1723 {
1724 tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1725 insert_ob_in_map (tmp, op->map, NULL, 0);
1726 }
1727 }
1728
1729 op->destroy ();
1730 }
1731 else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
1732 hitter->drop_and_destroy ();
1733
1734 return maxdam;
1735}
1736
1737static void
1738poison_player (object *op, object *hitter, int dam)
1739{
1740 archetype *at = archetype::find (shstr_poisoning);
1741 object *tmp = present_arch_in_ob (at, op);
1742
1743 if (tmp == NULL)
1744 {
1745 tmp = insert_ob_in_ob (at->instance (), op);
1746 /* peterm: give poisoning some teeth. It should
1747 * be able to kill things better than it does:
1748 * damage should be dependent something--I choose to
1749 * do this: if it's a monster, the damage from the
1750 * poisoning goes as the level of the monster/2.
1751 * If anything else, goes as damage.
1752 */
1753
1754 if (QUERY_FLAG (hitter, FLAG_ALIVE))
1755 tmp->stats.dam += hitter->level / 2;
1756 else
1757 tmp->stats.dam = dam;
1758
1759 tmp->set_owner (hitter); /* so we get credit for poisoning kills */
1760 if (hitter->skill && hitter->skill != tmp->skill)
1761 tmp->skill = hitter->skill;
1762
1763 tmp->stats.food += dam; /* more damage, longer poisoning */
1764
1765 if (op->type == PLAYER)
1766 {
1767 /* player looses stats, maximum is -10 of each */
1768 tmp->stats.Con = max (-(dam / 4 + 1), -10);
1769 tmp->stats.Str = max (-(dam / 3 + 2), -10);
1770 tmp->stats.Dex = max (-(dam / 6 + 1), -10);
1771 tmp->stats.Int = max (-(dam / 7 ), -10);
1772 SET_FLAG (tmp, FLAG_APPLIED);
1773 op->update_stats ();
1774 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
1775 op->play_sound (tmp->sound);
1776 }
1777
1778 if (hitter->type == PLAYER)
1779 new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
1780 else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
1781 new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
1782
1783 tmp->speed_left = 0;
1784 }
1785 else
1786 tmp->stats.food++;
1787}
1788
1789static void
1790slow_player (object *op, object *hitter, int dam)
1791{
1792 archetype *at = archetype::find (shstr_slowness);
1793 object *tmp;
1794
1795 if (at == NULL)
1796 LOG (llevError, "Can't find slowness archetype.\n");
1797
1798 if ((tmp = present_arch_in_ob (at, op)) == NULL)
1799 {
1800 tmp = at->instance ();
1801 tmp = insert_ob_in_ob (tmp, op);
1802 new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
1803 }
1804 else
1805 tmp->stats.food++;
1806
1052 SET_FLAG (target, FLAG_SCARED); 1807 SET_FLAG (tmp, FLAG_APPLIED);
1053 if (!target->enemy) 1808 tmp->speed_left = 0;
1054 target->enemy = owner; 1809 op->update_stats ();
1810}
1811
1812void
1813confuse_player (object *op, object *hitter, int dam)
1814{
1815 object *tmp;
1816 int maxduration;
1817
1818 tmp = present_in_ob_by_name (FORCE, shstr_confusion, op);
1819 if (!tmp)
1820 {
1821 tmp = get_archetype (FORCE_NAME);
1822 tmp = insert_ob_in_ob (tmp, op);
1823 }
1824
1825 /* Duration added per hit and max. duration of confusion both depend
1826 * on the player's resistance
1827 */
1828 tmp->speed = 0.05;
1829 tmp->subtype = FORCE_CONFUSION;
1830 tmp->duration = 8 + max (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
1831 tmp->name = shstr_confusion;
1832 maxduration = max (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
1833
1834 if (tmp->duration > maxduration)
1835 tmp->duration = maxduration;
1836
1837 if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
1838 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
1839
1840 SET_FLAG (op, FLAG_CONFUSED);
1841}
1842
1843void
1844blind_player (object *op, object *hitter, int dam)
1845{
1846 object *tmp, *owner;
1847
1848 /* Save some work if we know it isn't going to affect the player */
1849 if (op->resist[ATNR_BLIND] == 100)
1850 return;
1851
1852 tmp = present_in_ob (BLINDNESS, op);
1853 if (!tmp)
1854 {
1855 tmp = get_archetype (shstr_blindness);
1856 SET_FLAG (tmp, FLAG_BLIND);
1857 SET_FLAG (tmp, FLAG_APPLIED);
1858 /* use floats so we don't lose too much precision due to rounding errors.
1859 * speed is a float anyways.
1860 */
1861 tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
1862
1863 tmp = insert_ob_in_ob (tmp, op);
1864 change_abil (op, tmp); /* Mostly to display any messages */
1865 op->update_stats (); /* This takes care of some other stuff */
1866
1867 if (hitter->owner)
1868 owner = hitter->owner;
1869 else
1870 owner = hitter;
1871
1872 new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
1873 }
1874 tmp->stats.food += dam;
1875 if (tmp->stats.food > 10)
1876 tmp->stats.food = 10;
1877}
1878
1879void
1880paralyze_player (object *op, object *hitter, int dam)
1881{
1882 /* This is strange stuff... someone knows for what this is
1883 * written? Well, i think this can and should be removed
1884 */
1885
1886 /*
1887 if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
1888 tmp=clone_arch(PARAIMAGE);
1889 tmp->x=op->x,tmp->y=op->y;
1890 insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
1891 }
1892 */
1893
1894 /* Do this as a float - otherwise, rounding might very well reduce this to 0 */
1895 float effect = dam * 3.f * (100.f - op->resist[ATNR_PARALYZE]) / 100.f;
1896
1897 op->speed_left -= op->speed * effect;
1898 /* tmp->stats.food+=(signed short) effect/op->speed; */
1899
1900 /* max number of ticks to be affected for. */
1901 float max = (100 - op->resist[ATNR_PARALYZE]) / 2;
1902
1903 max_it (op->speed_left, -op->speed * max);
1904
1905/* tmp->stats.food = (signed short) (max / op->speed); */
1906}
1907
1908/* Attempts to kill 'op'. hitter is the attack object, dam is
1909 * the computed damaged.
1910 */
1911static void
1912deathstrike_player (object *op, object *hitter, int *dam)
1913{
1914 /* The intention of a death attack is to kill outright things
1915 ** that are a lot weaker than the attacker, have a chance of killing
1916 ** things somewhat weaker than the caster, and no chance of
1917 ** killing something equal or stronger than the attacker.
1918 ** Also, if a deathstrike attack has a slaying, any monster
1919 ** whose name or race matches a comma-delimited list in the slaying
1920 ** field of the deathstriking object */
1921
1922 int atk_lev, def_lev, kill_lev;
1923
1924 if (hitter->slaying)
1925 if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
1926 || (op->race && hitter->slaying.contains (op->race))))
1927 return;
1928
1929 def_lev = op->level;
1930 if (def_lev < 1)
1931 {
1932 LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
1933 def_lev = 1;
1934 }
1935
1936 atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
1937 /* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
1938 atk_lev, def_lev); */
1939
1940 if (atk_lev >= def_lev)
1941 {
1942 kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
1943
1944 /* Note that the below effectively means the ratio of the atk vs
1945 * defener level is important - if level 52 character has very little
1946 * chance of killing a level 50 monster. This should probably be
1947 * redone.
1948 */
1949 if (kill_lev >= def_lev)
1950 {
1951 *dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
1952 /* I think this doesn't really do much. Because of
1953 * integer rounding, this only makes any difference if the
1954 * attack level is double the defender level.
1955 */
1956 *dam *= kill_lev / def_lev;
1957 }
1958 }
1959 else
1960 *dam = 0; /* no harm done */
1055} 1961}
1056 1962
1057/* This returns the amount of damage hitter does to op with the 1963/* This returns the amount of damage hitter does to op with the
1058 * appropriate attacktype. Only 1 attacktype should be set at a time. 1964 * appropriate attacktype. Only 1 attacktype should be set at a time.
1059 * This doesn't damage the player, but returns how much it should 1965 * This doesn't damage the player, but returns how much it should
… …
1084 if (attacknum == ATNR_INTERNAL) 1990 if (attacknum == ATNR_INTERNAL)
1085 return dam; 1991 return dam;
1086 1992
1087 if (hitter->slaying) 1993 if (hitter->slaying)
1088 { 1994 {
1089 if ((op->race && strstr (hitter->slaying, op->race)) 1995 if ((op->race && hitter->slaying.contains (op->race))
1090 || (op->arch && op->arch->archname && strstr (op->arch->archname, hitter->slaying))) 1996 || (op->arch && op->arch->archname.contains (hitter->slaying)))
1091 { 1997 {
1092 doesnt_slay = 0; 1998 doesnt_slay = 0;
1093 dam *= 3; 1999 dam *= 3;
1094 } 2000 }
1095 } 2001 }
… …
1141 case ATNR_BLIND: 2047 case ATNR_BLIND:
1142 { 2048 {
1143 /* chance for inflicting a special attack depends on the 2049 /* chance for inflicting a special attack depends on the
1144 * difference between attacker's and defender's level 2050 * difference between attacker's and defender's level
1145 */ 2051 */
1146 int level_diff = MIN (110, MAX (0, op->level - hitter->level)); 2052 int level_diff = min (110, max (0, op->level - hitter->level));
1147 2053
1148 /* First, only creatures/players with speed can be affected. 2054 /* First, only creatures/players with speed can be affected.
1149 * Second, just getting hit doesn't mean it always affects 2055 * Second, just getting hit doesn't mean it always affects
1150 * you. Third, you still get a saving through against the 2056 * you. Third, you still get a saving through against the
1151 * effect. 2057 * effect.
1152 */ 2058 */
1153 if (op->speed && 2059 if (op->has_active_speed ()
1154 (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) && 2060 && (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
2061 && !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1))
1155 !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1)) && !did_make_save (op, level_diff, op->resist[attacknum] / 10)) 2062 && !did_make_save (op, level_diff, op->resist[attacknum] / 10))
1156 { 2063 {
1157 2064
1158 /* Player has been hit by something */ 2065 /* Player has been hit by something */
1159 if (attacknum == ATNR_CONFUSION) 2066 if (attacknum == ATNR_CONFUSION)
1160 confuse_player (op, hitter, dam); 2067 confuse_player (op, hitter, dam);
… …
1208 2115
1209 /* High damage acid has better chance of corroding 2116 /* High damage acid has better chance of corroding
1210 objects */ 2117 objects */
1211 if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic) 2118 if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic)
1212 { 2119 {
1213 if (op->type == PLAYER)
1214 /* Make this more visible */
1215 new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, op,
1216 "The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
1217 flag = 1; 2120 flag = 1;
1218 tmp->magic--; 2121 tmp->magic--;
1219 if (op->type == PLAYER) 2122
1220 esrv_send_item (op, tmp); 2123 if (object *pl = tmp->visible_to ())
2124 {
2125 /* Make this more visible */
2126 new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, pl,
2127 "The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
2128
2129 esrv_send_item (op, tmp); //TODO: UPD_NAME should be enough (it's enough in other cases)
2130 }
1221 } 2131 }
1222 } 2132 }
1223 2133
1224 if (flag) 2134 if (flag)
1225 op->update_stats (); /* Something was corroded */ 2135 op->update_stats (); /* Something was corroded */
… …
1240 rate = 400 * 100 / (100 - op->resist[ATNR_DRAIN]); 2150 rate = 400 * 100 / (100 - op->resist[ATNR_DRAIN]);
1241 2151
1242 if (op->stats.exp <= rate) 2152 if (op->stats.exp <= rate)
1243 { 2153 {
1244 if (op->type == GOLEM) 2154 if (op->type == GOLEM)
1245 dam = 999; /* Its force is "sucked" away. 8) */ 2155 dam = 9998; /* Its force is "sucked" away. 8) */
1246 else 2156 else
1247 /* If we can't drain, lets try to do physical damage */ 2157 /* If we can't drain, lets try to do physical damage */
1248 dam = hit_player_attacktype (op, hitter, dam, ATNR_PHYSICAL, magic); 2158 dam = hit_player_attacktype (op, hitter, dam, ATNR_PHYSICAL, magic);
1249 } 2159 }
1250 else 2160 else
… …
1294 object *god = find_god (determine_god (owner)); 2204 object *god = find_god (determine_god (owner));
1295 int div = 1; 2205 int div = 1;
1296 2206
1297 /* if undead are not an enemy of your god, you turn them 2207 /* if undead are not an enemy of your god, you turn them
1298 * at half strength */ 2208 * at half strength */
1299 if (!god || !god->slaying || strstr (god->slaying, shstr_undead) == NULL) 2209 if (!god || !god->slaying.contains (shstr_undead))
1300 div = 2; 2210 div = 2;
1301 2211
1302 /* Give a bonus if you resist turn undead */ 2212 /* Give a bonus if you resist turn undead */
1303 if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100))) 2213 if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))
1304 scare_creature (op, owner); 2214 scare_creature (op, owner);
… …
1376 } 2286 }
1377 2287
1378 return dam; 2288 return dam;
1379} 2289}
1380 2290
1381/* GROS: This code comes from hit_player. It has been made external to
1382 * allow script procedures to "kill" objects in a combat-like fashion.
1383 * It was initially used by (kill-object) developed for the Collector's
1384 * Sword. Note that nothing has been changed from the original version
1385 * of the following code.
1386 * op is what is being killed.
1387 * dam is the damage done to it.
1388 * hitter is what is hitting it.
1389 * type is the attacktype.
1390 *
1391 * This function was a bit of a mess with hitter getting changed,
1392 * values being stored away but not used, etc. I've cleaned it up
1393 * a bit - I think it should be functionally equivalant.
1394 * MSW 2002-07-17
1395 */
1396int
1397kill_object (object *op, int dam, object *hitter, int type)
1398{
1399 char buf[MAX_BUF];
1400 const char *skill;
1401 int maxdam = 0;
1402 int battleg = 0; /* true if op standing on battleground */
1403 int pk = 0; /* true if op and what controls hitter are both players */
1404 object *owner = 0;
1405 object *skop = 0;
1406
1407 if (op->stats.hp >= 0)
1408 return -1;
1409
1410 if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1411 return 0;
1412
1413 /* maxdam needs to be the amount of damage it took to kill
1414 * this creature. The function(s) that call us have already
1415 * adjusted the creatures HP total, so that is negative.
1416 */
1417 maxdam = dam + op->stats.hp + 1;
1418
1419 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1420 update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1421
1422 if (op->type == DOOR)
1423 {
1424 op->set_speed (0.1f);
1425 op->speed_left = -0.05f;
1426 return maxdam;
1427 }
1428
1429 if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1430 {
1431 op->destroy ();
1432 return maxdam;
1433 }
1434
1435 /* Now lets start dealing with experience we get for killing something */
1436
1437 owner = hitter->owner;
1438 if (!owner)
1439 owner = hitter;
1440
1441 /* is the victim (op) standing on battleground? */
1442 if (op_on_battleground (op, NULL, NULL))
1443 battleg = 1;
1444
1445 /* is this player killing? */
1446 if (op->type == PLAYER && owner->type == PLAYER)
1447 pk = 1;
1448
1449 /* Player killed something */
1450 if (owner->type == PLAYER)
1451 {
1452 Log_Kill (owner->name,
1453 query_name (op), op->type, (owner != hitter) ? query_name (hitter) : NULL, (owner != hitter) ? hitter->type : 0);
1454
1455 /* Log players killing other players - makes it easier to detect
1456 * and filter out malicious player killers - that is why the
1457 * ip address is included.
1458 */
1459 if (op->type == PLAYER && !battleg)
1460 {
1461 time_t t = time (NULL);
1462 struct tm *tmv;
1463 char buf[256];
1464
1465 tmv = localtime (&t);
1466 strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1467
1468 LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1469 }
1470
1471 /* try to filter some things out - basically, if you are
1472 * killing a level 1 creature and your level 20, you
1473 * probably don't want to see that.
1474 */
1475 if (owner->level < op->level * 2 || op->stats.exp > 1000)
1476 {
1477 if (owner != hitter)
1478 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1479 else
1480 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1481
1482 /* Only play sounds for melee kills */
1483 if (hitter->type == PLAYER)
1484 owner->play_sound (sound_find ("player_kills"));
1485 }
1486
1487 /* If a player kills another player, not on
1488 * battleground, the "killer" looses 1 luck. Since this is
1489 * not reversible, it's actually quite a pain IMHO. -AV
1490 * Fix bug in that we were changing the luck of the hitter, not
1491 * player that the object belonged to - so if you killed another player
1492 * with spells, pets, whatever, there was no penalty.
1493 * Changed to make luck penalty configurable in settings.
1494 */
1495 if (op->type == PLAYER && owner != op && !battleg)
1496 owner->change_luck (-settings.pk_luck_penalty);
1497
1498 /* This code below deals with finding the appropriate skill
1499 * to credit exp to. This is a bit problematic - we should
1500 * probably never really have to look at current_weapon->skill
1501 */
1502 skill = 0;
1503
1504 if (hitter->skill && hitter->type != PLAYER)
1505 skill = hitter->skill;
1506 else if (owner->chosen_skill)
1507 {
1508 skop = owner->chosen_skill;
1509 skill = skop->skill;
1510 }
1511 else if (QUERY_FLAG (owner, FLAG_READY_WEAPON))
1512 skill = owner->current_weapon->skill;
1513 else
1514 LOG (llevError, "kill_object - unable to find skill that killed monster\n");
1515
1516 /* We have the skill we want to credit to - now find the object this goes
1517 * to. Make sure skop is an actual skill, and not a skill tool!
1518 */
1519 if ((!skop || skop->type != SKILL) && skill)
1520 {
1521 int i;
1522
1523 for (i = 0; i < NUM_SKILLS; i++)
1524 if (owner->contr->last_skill_ob[i] && !strcmp (owner->contr->last_skill_ob[i]->skill, skill))
1525 {
1526 skop = owner->contr->last_skill_ob[i];
1527 break;
1528 }
1529 }
1530 } /* Was it a player that hit somethign */
1531 else
1532 skill = 0;
1533
1534 /* Pet (or spell) killed something. */
1535 if (owner != hitter)
1536 sprintf (buf, "%s killed %s with %s%s%s.", &owner->name,
1537 query_name (op), query_name (hitter), battleg ? " (duel)" : "", pk ? " (pk)" : "");
1538 else
1539 sprintf (buf, "%s killed %s%s%s%s.", &hitter->name, &op->name,
1540 (QUERY_FLAG (hitter, FLAG_MONSTER)) || hitter->type == PLAYER ?
1541 " in hand to hand combat" : "", battleg ? " (duel)" : "", pk ? " (pk)" : "");
1542
1543 /* These may have been set in the player code section above */
1544 if (!skop)
1545 skop = hitter->chosen_skill;
1546
1547 if (!skill && skop)
1548 skill = skop->skill;
1549
1550 new_draw_info (NDI_ALL, op->type == PLAYER ? 1 : 10, NULL, buf);
1551
1552 /* If you didn't kill yourself, and your not the wizard */
1553 if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1554 {
1555 int exp;
1556
1557 /* Really don't give much experience for killing other players */
1558 // schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1559 if (op->type == PLAYER)
1560 {
1561 if (battleg)
1562 {
1563 new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1564 new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1565 }
1566 else
1567 exp = op->stats.exp / 1000;
1568 }
1569 else
1570 exp = calc_skill_exp (owner, op, skop);
1571
1572 /* if op is standing on "battleground" (arena), no way to gain
1573 * exp by killing him
1574 */
1575 if (battleg)
1576 exp = 0;
1577
1578 /* Don't know why this is set this way - doesn't make
1579 * sense to just divide everything by two for no reason.
1580 */
1581
1582 if (!settings.simple_exp)
1583 exp = exp / 2;
1584
1585 if (owner->type != PLAYER || owner->contr->party == NULL)
1586 change_exp (owner, exp, skill, 0);
1587 else
1588 {
1589 int shares = 0, count = 0;
1590 partylist *party = owner->contr->party;
1591
1592 add_kill_to_party (party, query_name (owner), query_name (op), exp);
1593
1594 for_all_players (pl)
1595 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1596 {
1597 count++;
1598 shares += (pl->ob->level + 4);
1599 }
1600
1601 if (count == 1 || shares > exp || !shares)
1602 change_exp (owner, exp, skill, SK_EXP_TOTAL);
1603 else
1604 {
1605 int share = exp / shares, given = 0, nexp;
1606
1607 for_all_players (pl)
1608 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1609 {
1610 nexp = (pl->ob->level + 4) * share;
1611 change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1612 given += nexp;
1613 }
1614
1615 exp -= given;
1616 /* give any remainder to the player */
1617 change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1618 }
1619 } /* else part of a party */
1620 } /* end if person didn't kill himself */
1621
1622 if (op->type != PLAYER)
1623 {
1624 if (QUERY_FLAG (op, FLAG_FRIENDLY))
1625 {
1626 object *owner1 = op->owner;
1627
1628 if (owner1 && owner1->type == PLAYER)
1629 {
1630 owner1->contr->play_sound (sound_find ("pet_is_killed"));
1631 /* Maybe we should include the owner that killed this, maybe not */
1632 new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, is killed by %s.", &op->name, &hitter->name);
1633 }
1634
1635 remove_friendly_object (op);
1636 }
1637
1638 op->destroy ();
1639 }
1640 else
1641 {
1642 /* Player has been killed! */
1643 if (owner->type == PLAYER)
1644 snprintf (op->contr->killer, sizeof (op->contr->killer), "%s the %s", &owner->name, owner->contr->title);
1645 else
1646 assign (op->contr->killer, hitter->name);
1647 }
1648
1649 /* This was return -1 - that doesn't seem correct - if we return -1, process
1650 * continues in the calling function.
1651 */
1652 return maxdam;
1653}
1654
1655/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1656 * Returns 0 this is not friendly fire
1657 */
1658int
1659friendly_fire (object *op, object *hitter)
1660{
1661 object *owner;
1662 int friendlyfire;
1663
1664 if (hitter->head)
1665 hitter = hitter->head;
1666
1667 friendlyfire = 0;
1668
1669 if (op->type == PLAYER)
1670 {
1671 if (op_on_battleground (hitter, 0, 0))
1672 return 0;
1673
1674 if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1675 return 1;
1676
1677 if ((owner = hitter->owner) != NULL)
1678 {
1679 if (owner->type == PLAYER && owner->contr->peaceful == 1)
1680 friendlyfire = 2;
1681 }
1682
1683 if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1684 friendlyfire = 0;
1685 }
1686
1687 return friendlyfire;
1688}
1689
1690/* This isn't used just for players, but in fact most objects.
1691 * op is the object to be hit, dam is the amount of damage, hitter
1692 * is what is hitting the object, type is the attacktype, and
1693 * full_hit is set if monster area does not matter.
1694 * dam is base damage - protections/vulnerabilities/slaying matches can
1695 * modify it.
1696 */
1697/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1698 * which needs new attacktype AT_HOLYWORD to work . b.t. */
1699int
1700hit_player (object *op, int dam, object *hitter, int type, int full_hit)
1701{
1702 int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1703 int maxattacktype, attacknum;
1704 int body_attack = op && op->head; /* Did we hit op's head? */
1705 int simple_attack;
1706 int rtn_kill = 0;
1707 int friendlyfire;
1708
1709 if (get_attack_mode (&op, &hitter, &simple_attack))
1710 return 0;
1711
1712 /* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1713 if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1714 return 0;
1715
1716 // only allow pk for hostile players
1717 if (op->type == PLAYER)
1718 {
1719 object *owner = hitter->owner;
1720
1721 if (!owner)
1722 owner = hitter;
1723
1724 if (owner->type == PLAYER
1725 && (!op_on_battleground (op, 0, 0)
1726 && (op->contr->peaceful || owner->contr->peaceful))
1727 && op != owner)
1728 return 0;
1729 }
1730
1731 if (body_attack)
1732 {
1733 /* slow and paralyze must hit the head. But we don't want to just
1734 * return - we still need to process other attacks the spell still
1735 * might have. So just remove the paralyze and slow attacktypes,
1736 * and keep on processing if we have other attacktypes.
1737 * return if only magic or nothing is left - under normal code
1738 * we don't attack with pure magic if there is another attacktype.
1739 * Only do processing if the initial attacktype includes one of those
1740 * attack so we don't cancel out things like magic bullet.
1741 */
1742 if (type & (AT_PARALYZE | AT_SLOW))
1743 {
1744 type &= ~(AT_PARALYZE | AT_SLOW);
1745
1746 if (!type || type == AT_MAGIC)
1747 return 0;
1748 }
1749 }
1750
1751 if (!simple_attack && op->type == DOOR)
1752 {
1753 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1754 if (tmp->type == RUNE || tmp->type == TRAP)
1755 {
1756 spring_trap (tmp, hitter);
1757
1758 if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1759 return 0;
1760
1761 break;
1762 }
1763 }
1764
1765 if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1766 {
1767 /* FIXME: If a player is killed by a rune in a door, the
1768 * destroyed() check above doesn't return, and might get here.
1769 */
1770
1771 /* FIXME: This for example happens when a dead door is on a mover and
1772 gets it's speed_left raised on each mover-tick.
1773 Doors are removed in a kinda funny way by giving them speed and speed_left
1774 and waiting for that to run out.
1775 */
1776 LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1777 return 0;
1778 }
1779
1780#ifdef ATTACK_DEBUG
1781 LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1782#endif
1783
1784 if (magic)
1785 {
1786 /* basically: dam = dam*(100-op->resist[attacknum])/100;
1787 * in case 0>dam>1, we try to "simulate" a float value-effect */
1788 dam = dam * (100 - op->resist[ATNR_MAGIC]);
1789 if (dam >= 100)
1790 dam /= 100;
1791 else
1792 dam = (dam > rndm (0, 99)) ? 1 : 0;
1793 }
1794
1795 /* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1796 * If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1797 */
1798 if (type & AT_CHAOS)
1799 {
1800 shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1801 update_object (op, UP_OBJ_FACE);
1802 type &= ~AT_CHAOS;
1803 }
1804
1805 /* Holyword is really an attacktype modifier (like magic is). If
1806 * holyword is part of an attacktype, then make sure the creature is
1807 * a proper match, otherwise no damage.
1808 */
1809 if (type & AT_HOLYWORD)
1810 {
1811 object *god;
1812
1813 if ((!hitter->slaying ||
1814 (!(op->race && strstr (hitter->slaying, op->race)) &&
1815 !(op->name && strstr (hitter->slaying, op->name)))) &&
1816 (!QUERY_FLAG (op, FLAG_UNDEAD) ||
1817 (hitter->title != NULL
1818 && (god = find_god (determine_god (hitter))) != NULL && god->race != NULL && strstr (god->race, shstr_undead) != NULL)))
1819 return 0;
1820 }
1821
1822 maxattacktype = type; /* initialise this to something */
1823 for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
1824 {
1825 /* Magic isn't really a true attack type - it gets combined with other
1826 * attack types. As such, skip it over. However, if magic is
1827 * the only attacktype in the group, then still attack with it
1828 */
1829 if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1830 continue;
1831
1832 /* Go through and hit the player with each attacktype, one by one.
1833 * hit_player_attacktype only figures out the damage, doesn't inflict
1834 * it. It will do the appropriate action for attacktypes with
1835 * effects (slow, paralization, etc.
1836 */
1837 if (type & attacktype)
1838 {
1839 ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1840 /* the >= causes us to prefer messages from special attacks, if
1841 * the damage is equal.
1842 */
1843 if (ndam >= maxdam)
1844 {
1845 maxdam = ndam;
1846 maxattacktype = 1 << attacknum;
1847 }
1848 }
1849 }
1850
1851 /* if this is friendly fire then do a set % of damage only
1852 * Note - put a check in to make sure this attack is actually
1853 * doing damage - otherwise, the +1 in the code below will make
1854 * an attack do damage before when it otherwise didn't
1855 */
1856 friendlyfire = friendly_fire (op, hitter);
1857 if (friendlyfire && maxdam)
1858 {
1859 maxdam = ((dam * settings.set_friendly_fire) / 100);
1860
1861#ifdef ATTACK_DEBUG
1862 LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1863 friendlyfire, settings.set_friendly_fire, dam, maxdam);
1864#endif
1865 }
1866
1867 if (!full_hit)
1868 {
1869 int area;
1870 int remainder;
1871
1872 area = 0;
1873
1874 for (archetype *at = op->arch; at; at = (archetype *)at->more)
1875 area++;
1876
1877 assert (area > 0);
1878
1879 /* basically: maxdam /= area; we try to "simulate" a float
1880 value-effect */
1881 remainder = 100 * (maxdam % area) / area;
1882 maxdam /= area;
1883 if (rndm (100) < remainder)
1884 maxdam++;
1885 }
1886
1887#ifdef ATTACK_DEBUG
1888 LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1889#endif
1890
1891 // for now, only do this for active objects, otherwise they
1892 // keep a refcount for a long time and I see no usefulness
1893 // for an non-active objetc to know its enemy.
1894 if (op->active)
1895 if (hitter->owner)
1896 op->enemy = hitter->owner;
1897 else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1898 op->enemy = hitter;
1899
1900 if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1901 {
1902 /* The unaggressives look after themselves 8) */
1903 CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1904 npc_call_help (op);
1905 }
1906
1907 if (magic && did_make_save (op, op->level, 0))
1908 maxdam = maxdam / 2;
1909
1910 attack_message (maxdam, maxattacktype, op, hitter);
1911
1912 op->stats.hp -= maxdam;
1913
1914 /* Eneq(@csd.uu.se): Check to see if monster runs away. */
1915 if ((op->stats.hp >= 0) &&
1916 (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1917 op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1918 {
1919
1920 if (QUERY_FLAG (op, FLAG_MONSTER))
1921 SET_FLAG (op, FLAG_RUN_AWAY);
1922 else
1923 scare_creature (op, hitter);
1924 }
1925
1926 if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1927 {
1928 if (maxdam)
1929 tear_down_wall (op);
1930
1931 return maxdam; /* nothing more to do for wall */
1932 }
1933
1934 /* See if the creature has been killed */
1935 rtn_kill = kill_object (op, maxdam, hitter, type);
1936 if (rtn_kill != -1)
1937 return rtn_kill;
1938
1939
1940 /* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1941 * that before if the player was immune to ghosthit, the monster
1942 * remained - that is no longer the case.
1943 */
1944 if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1945 hitter->destroy ();
1946
1947 /* Lets handle creatures that are splitting now */
1948 else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1949 {
1950 int i;
1951 int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1952 int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1953 object *owner = op->owner;
1954
1955 if (!op->other_arch)
1956 {
1957 LOG (llevError, "SPLITTING without other_arch error.\n");
1958 return maxdam;
1959 }
1960
1961 op->remove ();
1962
1963 for (i = 0; i < NROFNEWOBJS (op); i++)
1964 { /* This doesn't handle op->more yet */
1965 object *tmp = arch_to_object (op->other_arch);
1966 int j;
1967
1968 tmp->stats.hp = op->stats.hp;
1969
1970 if (friendly)
1971 {
1972 add_friendly_object (tmp);
1973 tmp->attack_movement = PETMOVE;
1974
1975 if (owner)
1976 tmp->set_owner (owner);
1977 }
1978
1979 if (unaggressive)
1980 SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1981
1982 j = find_first_free_spot (tmp, op->map, op->x, op->y);
1983
1984 if (j == -1) /* No spot to put this monster */
1985 tmp->destroy ();
1986 else
1987 {
1988 tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1989 insert_ob_in_map (tmp, op->map, NULL, 0);
1990 }
1991 }
1992
1993 op->destroy ();
1994 }
1995 else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
1996 hitter->destroy ();
1997
1998 return maxdam;
1999}
2000
2001void
2002poison_player (object *op, object *hitter, int dam)
2003{
2004 archetype *at = archetype::find ("poisoning");
2005 object *tmp = present_arch_in_ob (at, op);
2006
2007 if (tmp == NULL)
2008 {
2009 if ((tmp = arch_to_object (at)) == NULL)
2010 LOG (llevError, "Failed to clone arch poisoning.\n");
2011 else
2012 {
2013 tmp = insert_ob_in_ob (tmp, op);
2014 /* peterm: give poisoning some teeth. It should
2015 * be able to kill things better than it does:
2016 * damage should be dependent something--I choose to
2017 * do this: if it's a monster, the damage from the
2018 * poisoning goes as the level of the monster/2.
2019 * If anything else, goes as damage.
2020 */
2021
2022 if (QUERY_FLAG (hitter, FLAG_ALIVE))
2023 tmp->stats.dam += hitter->level / 2;
2024 else
2025 tmp->stats.dam = dam;
2026
2027 tmp->set_owner (hitter); /* so we get credit for poisoning kills */
2028 if (hitter->skill && hitter->skill != tmp->skill)
2029 {
2030 tmp->skill = hitter->skill;
2031 }
2032
2033 tmp->stats.food += dam; /* more damage, longer poisoning */
2034
2035 if (op->type == PLAYER)
2036 {
2037 /* player looses stats, maximum is -10 of each */
2038 tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
2039 tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
2040 tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
2041 tmp->stats.Int = MAX (-dam / 7, -10);
2042 SET_FLAG (tmp, FLAG_APPLIED);
2043 op->update_stats ();
2044 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
2045 op->play_sound (tmp->sound);
2046 }
2047
2048 if (hitter->type == PLAYER)
2049 new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
2050 else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
2051 new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
2052 }
2053
2054 tmp->speed_left = 0;
2055 }
2056 else
2057 tmp->stats.food++;
2058}
2059
2060void
2061slow_player (object *op, object *hitter, int dam)
2062{
2063 archetype *at = archetype::find ("slowness");
2064 object *tmp;
2065
2066 if (at == NULL)
2067 LOG (llevError, "Can't find slowness archetype.\n");
2068
2069 if ((tmp = present_arch_in_ob (at, op)) == NULL)
2070 {
2071 tmp = arch_to_object (at);
2072 tmp = insert_ob_in_ob (tmp, op);
2073 new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
2074 }
2075 else
2076 tmp->stats.food++;
2077
2078 SET_FLAG (tmp, FLAG_APPLIED);
2079 tmp->speed_left = 0;
2080 op->update_stats ();
2081}
2082
2083void
2084confuse_player (object *op, object *hitter, int dam)
2085{
2086 object *tmp;
2087 int maxduration;
2088
2089 tmp = present_in_ob_by_name (FORCE, "confusion", op);
2090 if (!tmp)
2091 {
2092 tmp = get_archetype (FORCE_NAME);
2093 tmp = insert_ob_in_ob (tmp, op);
2094 }
2095
2096 /* Duration added per hit and max. duration of confusion both depend
2097 * on the player's resistance
2098 */
2099 tmp->speed = 0.05;
2100 tmp->subtype = FORCE_CONFUSION;
2101 tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2102 tmp->name = "confusion";
2103 maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2104
2105 if (tmp->duration > maxduration)
2106 tmp->duration = maxduration;
2107
2108 if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
2109 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
2110
2111 SET_FLAG (op, FLAG_CONFUSED);
2112}
2113
2114void
2115blind_player (object *op, object *hitter, int dam)
2116{
2117 object *tmp, *owner;
2118
2119 /* Save some work if we know it isn't going to affect the player */
2120 if (op->resist[ATNR_BLIND] == 100)
2121 return;
2122
2123 tmp = present_in_ob (BLINDNESS, op);
2124 if (!tmp)
2125 {
2126 tmp = get_archetype ("blindness");
2127 SET_FLAG (tmp, FLAG_BLIND);
2128 SET_FLAG (tmp, FLAG_APPLIED);
2129 /* use floats so we don't lose too much precision due to rounding errors.
2130 * speed is a float anyways.
2131 */
2132 tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
2133
2134 tmp = insert_ob_in_ob (tmp, op);
2135 change_abil (op, tmp); /* Mostly to display any messages */
2136 op->update_stats (); /* This takes care of some other stuff */
2137
2138 if (hitter->owner)
2139 owner = hitter->owner;
2140 else
2141 owner = hitter;
2142
2143 new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
2144 }
2145 tmp->stats.food += dam;
2146 if (tmp->stats.food > 10)
2147 tmp->stats.food = 10;
2148}
2149
2150void
2151paralyze_player (object *op, object *hitter, int dam)
2152{
2153 float effect, max;
2154
2155 /* object *tmp; */
2156
2157 /* This is strange stuff... someone knows for what this is
2158 * written? Well, i think this can and should be removed
2159 */
2160
2161 /*
2162 if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
2163 tmp=clone_arch(PARAIMAGE);
2164 tmp->x=op->x,tmp->y=op->y;
2165 insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
2166 }
2167 */
2168
2169 /* Do this as a float - otherwise, rounding might very well reduce this to 0 */
2170 effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
2171
2172 if (effect == 0)
2173 return;
2174
2175 op->speed_left -= FABS (op->speed) * effect;
2176 /* tmp->stats.food+=(signed short) effect/op->speed; */
2177
2178 /* max number of ticks to be affected for. */
2179 max = (100 - op->resist[ATNR_PARALYZE]) / 2;
2180 if (op->speed_left < -(FABS (op->speed) * max))
2181 op->speed_left = (float) -(FABS (op->speed) * max);
2182
2183/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
2184}
2185
2186/* Attempts to kill 'op'. hitter is the attack object, dam is
2187 * the computed damaged.
2188 */
2189void
2190deathstrike_player (object *op, object *hitter, int *dam)
2191{
2192 /* The intention of a death attack is to kill outright things
2193 ** that are a lot weaker than the attacker, have a chance of killing
2194 ** things somewhat weaker than the caster, and no chance of
2195 ** killing something equal or stronger than the attacker.
2196 ** Also, if a deathstrike attack has a slaying, any monster
2197 ** whose name or race matches a comma-delimited list in the slaying
2198 ** field of the deathstriking object */
2199
2200 int atk_lev, def_lev, kill_lev;
2201
2202 if (hitter->slaying)
2203 if (!((QUERY_FLAG (op, FLAG_UNDEAD) && strstr (hitter->slaying, shstr_undead)) || (op->race && strstr (hitter->slaying, op->race))))
2204 return;
2205
2206 def_lev = op->level;
2207 if (def_lev < 1)
2208 {
2209 LOG (llevError, "BUG: arch %s, name %s with level < 1\n", &op->arch->archname, &op->name);
2210 def_lev = 1;
2211 }
2212
2213 atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
2214 /* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
2215 atk_lev, def_lev); */
2216
2217 if (atk_lev >= def_lev)
2218 {
2219 kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
2220
2221 /* Note that the below effectively means the ratio of the atk vs
2222 * defener level is important - if level 52 character has very little
2223 * chance of killing a level 50 monster. This should probably be
2224 * redone.
2225 */
2226 if (kill_lev >= def_lev)
2227 {
2228 *dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
2229 /* I think this doesn't really do much. Because of
2230 * integer rounding, this only makes any difference if the
2231 * attack level is double the defender level.
2232 */
2233 *dam *= kill_lev / def_lev;
2234 }
2235 }
2236 else
2237 *dam = 0; /* no harm done */
2238}
2239
2240/* thrown_item_effect() - handles any special effects of thrown
2241 * items (like attacking living creatures--a potion thrown at a
2242 * monster).
2243 */
2244static void
2245thrown_item_effect (object *hitter, object *victim)
2246{
2247 if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2248 {
2249 /* May not need a switch for just 2 types, but this makes it
2250 * easier for expansion.
2251 */
2252 switch (hitter->type)
2253 {
2254 case POTION:
2255 /* should player get a save throw instead of checking magic protection? */
2256 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
2257 (void) apply_potion (victim, hitter);
2258 break;
2259
2260 case POISON: /* poison drinks */
2261 /* As with potions, should monster get a save? */
2262 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
2263 apply_poison (victim, hitter);
2264 break;
2265
2266 /* Removed case statements that did nothing.
2267 * food may be poisonous, but monster must be willing to eat it,
2268 * so we don't handle it here.
2269 * Containers should perhaps break open, but that code was disabled.
2270 */
2271 }
2272 }
2273}
2274
2275/* adj_attackroll() - adjustments to attacks by various conditions */
2276int
2277adj_attackroll (object *hitter, object *target)
2278{
2279 object *attacker = hitter;
2280 int adjust = 0;
2281
2282 /* safety */
2283 if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
2284 {
2285 LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
2286 return 0;
2287 }
2288
2289 /* aimed missiles use the owning object's sight */
2290 if (is_aimed_missile (hitter))
2291 {
2292 if ((attacker = hitter->owner) == NULL)
2293 attacker = hitter;
2294 /* A player who saves but hasn't quit still could have objects
2295 * owned by him - need to handle that case to avoid crashes.
2296 */
2297 if (QUERY_FLAG (attacker, FLAG_REMOVED))
2298 attacker = hitter;
2299 }
2300 else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2301 return 0;
2302
2303 /* determine the condtions under which we make an attack.
2304 * Add more cases, as the need occurs. */
2305
2306 if (!can_see_enemy (attacker, target))
2307 {
2308 /* target is unseen */
2309 if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
2310 adjust -= 10;
2311 /* dark map penalty for the hitter (lacks infravision if we got here). */
2312 else if (target->map && target->map->darkness > 0 && !stand_in_light (target))
2313 adjust -= target->map->darkness;
2314 }
2315
2316 if (QUERY_FLAG (attacker, FLAG_SCARED))
2317 adjust -= 3;
2318
2319 if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
2320 adjust += 1;
2321
2322 if (QUERY_FLAG (target, FLAG_SCARED))
2323 adjust += 1;
2324
2325 if (QUERY_FLAG (attacker, FLAG_CONFUSED))
2326 adjust -= 3;
2327
2328 /* if we attack at a different 'altitude' its harder */
2329 if ((attacker->move_type & target->move_type) == 0)
2330 adjust -= 2;
2331
2332#if 0
2333 /* slower attacks are less likely to succeed. We should use a
2334 * comparison between attacker/target speeds BUT, players have
2335 * a generally faster speed, so this will wind up being a HUGE
2336 * disadantage for the monsters! Too bad, because missiles which
2337 * fly fast should have a better chance of hitting a slower target.
2338 */
2339 if (hitter->speed < target->speed)
2340 adjust += ((float) hitter->speed - target->speed);
2341#endif
2342
2343#if 0
2344 LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
2345#endif
2346
2347 return adjust;
2348}
2349
2350/* determine if the object is an 'aimed' missile */
2351int
2352is_aimed_missile (object *op)
2353{
2354
2355 /* I broke what used to be one big if into a few nested
2356 * ones so that figuring out the logic is at least possible.
2357 */
2358 if (op && (op->move_type & MOVE_FLYING))
2359 if (op->type == ARROW || op->type == THROWN_OBJ)
2360 return 1;
2361 else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
2362 return 1;
2363
2364 return 0;
2365}

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