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Comparing deliantra/server/server/attack.C (file contents):
Revision 1.61 by root, Tue May 1 05:48:20 2007 UTC vs.
Revision 1.129 by root, Sat Jan 9 13:43:19 2010 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (C) 2002 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program 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 2 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, write to the Free Software 19 * and the GNU General Public License along with this program. If not, see
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * 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>
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>
27#include <material.h> 28#include <material.h>
28#include <skills.h> 29#include <skills.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 {
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 == NULL) 52 if (mt == MATERIAL_NULL)
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->name; 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
… …
282 return 0; 266 return 0;
283 } 267 }
284 268
285 if (QUERY_FLAG (op, FLAG_REMOVED) || op->env != NULL) 269 if (QUERY_FLAG (op, FLAG_REMOVED) || op->env != NULL)
286 { 270 {
287 LOG (llevError, "BUG: hit_map(): hitter (arch %s, name %s) not on a map\n", &op->arch->name, &op->name); 271 LOG (llevError, "BUG: hit_map(): hitter (arch %s, name %s) not on a map\n", &op->arch->archname, &op->name);
288 return 0; 272 return 0;
289 } 273 }
290 274
291 if (!op->map) 275 if (!op->map)
292 { 276 {
… …
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:
545 mtype = ATM_BASIC; 529 mtype = ATM_BASIC;
546 break; 530 break;
547 case WEAP_SLASH: 531 case WEAP_SLASH:
548 mtype = ATM_SLASH; 532 mtype = ATM_SLASH;
549 break; 533 break;
550 case WEAP_PIERCE: 534 case WEAP_PIERCE:
551 mtype = ATM_PIERCE; 535 mtype = ATM_PIERCE;
552 break; 536 break;
553 case WEAP_CLEAVE: 537 case WEAP_CLEAVE:
554 mtype = ATM_CLEAVE; 538 mtype = ATM_CLEAVE;
555 break; 539 break;
556 case WEAP_SLICE: 540 case WEAP_SLICE:
557 mtype = ATM_SLICE; 541 mtype = ATM_SLICE;
558 break; 542 break;
559 case WEAP_STAB: 543 case WEAP_STAB:
560 mtype = ATM_STAB; 544 mtype = ATM_STAB;
561 break; 545 break;
562 case WEAP_WHIP: 546 case WEAP_WHIP:
563 mtype = ATM_WHIP; 547 mtype = ATM_WHIP;
564 break; 548 break;
565 case WEAP_CRUSH: 549 case WEAP_CRUSH:
566 mtype = ATM_CRUSH; 550 mtype = ATM_CRUSH;
567 break; 551 break;
568 case WEAP_BLUD: 552 case WEAP_BLUD:
569 mtype = ATM_BLUD; 553 mtype = ATM_BLUD;
570 break; 554 break;
571 default: 555 default:
572 mtype = ATM_BASIC; 556 mtype = ATM_BASIC;
573 break; 557 break;
574 } 558 }
559
575 for (i = 0; i < MAXATTACKMESS && attack_mess[mtype][i].level != -1; i++) 560 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) 561 if (dam < attack_mess[mtype][i].level || attack_mess[mtype][i + 1].level == -1)
577 { 562 {
578 sprintf (buf1, "%s %s%s", attack_mess[mtype][i].buf1, &op->name, attack_mess[mtype][i].buf2); 563 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); 564 strcpy (buf2, attack_mess[mtype][i].buf3);
… …
613 if (hitter->owner != NULL) 598 if (hitter->owner != NULL)
614 sprintf (buf, "%s's %s%s you.", &hitter->owner->name, &hitter->name, buf2); 599 sprintf (buf, "%s's %s%s you.", &hitter->owner->name, &hitter->name, buf2);
615 else 600 else
616 { 601 {
617 sprintf (buf, "%s%s you.", &hitter->name, buf2); 602 sprintf (buf, "%s%s you.", &hitter->name, buf2);
603
618 if (dam != 0) 604 if (dam != 0)
619 { 605 {
620 if (dam < 10) 606 if (dam < 10)
621 play_sound_player_only (op->contr, SOUND_PLAYER_IS_HIT1, 0, 0); 607 op->contr->play_sound (sound_find ("player_is_hit1"));
622 else if (dam < 20) 608 else if (dam < 20)
623 play_sound_player_only (op->contr, SOUND_PLAYER_IS_HIT2, 0, 0); 609 op->contr->play_sound (sound_find ("player_is_hit2"));
624 else 610 else
625 play_sound_player_only (op->contr, SOUND_PLAYER_IS_HIT3, 0, 0); 611 op->contr->play_sound (sound_find ("player_is_hit3"));
626 } 612 }
627 } 613 }
614
628 new_draw_info (NDI_BLACK, 0, op, buf); 615 new_draw_info (NDI_BLACK, 0, op, buf);
629 } /* end of player hitting player */ 616 } /* end of player hitting player */
630 617
631 if (hitter->type == PLAYER) 618 if (hitter->type == PLAYER)
632 { 619 {
633 sprintf (buf, "You %s.", buf1); 620 sprintf (buf, "You %s.", buf1);
621
634 if (dam != 0) 622 if (dam != 0)
635 { 623 {
636 if (dam < 10) 624 if (dam < 10)
637 play_sound_player_only (hitter->contr, SOUND_PLAYER_HITS1, 0, 0); 625 op->play_sound (sound_find ("player_hits1"));
638 else if (dam < 20) 626 else if (dam < 20)
639 play_sound_player_only (hitter->contr, SOUND_PLAYER_HITS2, 0, 0); 627 op->play_sound (sound_find ("player_hits2"));
640 else 628 else
641 play_sound_player_only (hitter->contr, SOUND_PLAYER_HITS3, 0, 0); 629 op->play_sound (sound_find ("player_hits3"));
642 } 630 }
631
643 new_draw_info (NDI_BLACK, 0, hitter, buf); 632 new_draw_info (NDI_BLACK, 0, hitter, buf);
644 } 633 }
645 else if (hitter->owner != NULL && hitter->owner->type == PLAYER) 634 else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
646 { 635 {
647 /* look for stacked spells and start reducing the message chances */ 636 /* look for stacked spells and start reducing the message chances */
… …
656 if (next) 645 if (next)
657 while (next) 646 while (next)
658 { 647 {
659 if (next->type == SPELL_EFFECT && (next->subtype == SP_EXPLOSION || next->subtype == SP_BULLET || next->subtype == SP_CONE)) 648 if (next->type == SPELL_EFFECT && (next->subtype == SP_EXPLOSION || next->subtype == SP_BULLET || next->subtype == SP_CONE))
660 i *= 3; 649 i *= 3;
650
661 tmp = next; 651 tmp = next;
662 next = tmp->above; 652 next = tmp->above;
663 } 653 }
664 654
665 if (i < 0) 655 if (i < 0)
… …
670 } 660 }
671 else if (rndm (0, 5) != 0) 661 else if (rndm (0, 5) != 0)
672 return; 662 return;
673 663
674 sprintf (buf, "Your %s%s %s.", &hitter->name, buf2, &op->name); 664 sprintf (buf, "Your %s%s %s.", &hitter->name, buf2, &op->name);
675 play_sound_map (op->map, op->x, op->y, SOUND_PLAYER_HITS4); 665 op->play_sound (sound_find ("player_hits4"));
676 new_draw_info (NDI_BLACK, 0, hitter->owner, buf); 666 new_draw_info (NDI_BLACK, 0, hitter->owner, buf);
677 } 667 }
678} 668}
679
680 669
681static int 670static int
682get_attack_mode (object **target, object **hitter, int *simple_attack) 671get_attack_mode (object **target, object **hitter, int *simple_attack)
683{ 672{
684 if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED)) 673 if (QUERY_FLAG (*target, FLAG_FREED) || QUERY_FLAG (*hitter, FLAG_FREED))
685 { 674 {
686 LOG (llevError, "BUG: get_attack_mode(): freed object\n"); 675 LOG (llevError, "BUG: get_attack_mode(): freed object\n");
687 return 1; 676 return 1;
688 } 677 }
689 if ((*target)->head) 678
690 *target = (*target)->head; 679 *target = (*target)->head_ ();
691 if ((*hitter)->head)
692 *hitter = (*hitter)->head; 680 *hitter = (*hitter)->head_ ();
681
682 if ((*target)->type == LOCKED_DOOR)
683 return 1; // locked doors cannot be hit
684
693 if ((*hitter)->env != NULL || (*target)->env != NULL) 685 if ((*hitter)->env || (*target)->env)
694 { 686 {
695 *simple_attack = 1; 687 *simple_attack = 1;
696 return 0; 688 return 0;
697 } 689 }
690
698 if (QUERY_FLAG (*target, FLAG_REMOVED) 691 if (QUERY_FLAG (*target, FLAG_REMOVED)
699 || QUERY_FLAG (*hitter, FLAG_REMOVED) || (*hitter)->map == NULL || !on_same_map ((*hitter), (*target))) 692 || QUERY_FLAG (*hitter, FLAG_REMOVED)
693 || !(*hitter)->map
694 || !on_same_map (*hitter, *target))
700 { 695 {
701 LOG (llevError, "BUG: hitter (arch %s, name %s) with no relation to " "target\n", &(*hitter)->arch->name, &(*hitter)->name); 696 LOG (llevError | logBacktrace, "BUG: hitter (%s) with no relation to target (%s)\n",
697 (*hitter)->debug_desc (), (*target)->debug_desc ());
702 return 1; 698 return 1;
703 } 699 }
700
704 *simple_attack = 0; 701 *simple_attack = 0;
705 return 0; 702 return 0;
706} 703}
707 704
708static int 705static int
709abort_attack (object *target, object *hitter, int simple_attack) 706abort_attack (object *target, object *hitter, int simple_attack)
710{ 707{
711
712/* Check if target and hitter are still in a relation similar to the one 708 /* Check if target and hitter are still in a relation similar to the one
713 * determined by get_attack_mode(). Returns true if the relation has changed. 709 * determined by get_attack_mode(). Returns true if the relation has changed.
714 */ 710 */
715 int new_mode; 711 int new_mode;
716 712
717 if (hitter->env == target || target->env == hitter) 713 if (hitter->env == target || target->env == hitter)
718 new_mode = 1; 714 new_mode = 1;
719 else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED) || hitter->map == NULL || !on_same_map (hitter, target)) 715 else if (QUERY_FLAG (hitter, FLAG_REMOVED) || QUERY_FLAG (target, FLAG_REMOVED)
716 || hitter->map == NULL || !on_same_map (hitter, target))
720 return 1; 717 return 1;
721 else 718 else
722 new_mode = 0; 719 new_mode = 0;
720
723 return new_mode != simple_attack; 721 return new_mode != simple_attack;
724} 722}
725 723
724/* thrown_item_effect() - handles any special effects of thrown
725 * items (like attacking living creatures--a potion thrown at a
726 * monster).
727 */
728static void
726static void thrown_item_effect (object *, object *); 729thrown_item_effect (object *hitter, object *victim)
730{
731 if (!QUERY_FLAG (hitter, FLAG_ALIVE))
732 {
733 /* May not need a switch for just 2 types, but this makes it
734 * easier for expansion.
735 */
736 switch (hitter->type)
737 {
738 case POTION:
739 /* should player get a save throw instead of checking magic protection? */
740 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
741 apply_potion (victim, hitter);
742 break;
743
744 case POISON: /* poison drinks */
745 /* As with potions, should monster get a save? */
746 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
747 apply_poison (victim, hitter);
748 break;
749
750 /* Removed case statements that did nothing.
751 * food may be poisonous, but monster must be willing to eat it,
752 * so we don't handle it here.
753 * Containers should perhaps break open, but that code was disabled.
754 */
755 }
756 }
757}
758
759/* determine if the object is an 'aimed' missile */
760static int
761is_aimed_missile (object *op)
762{
763
764 /* I broke what used to be one big if into a few nested
765 * ones so that figuring out the logic is at least possible.
766 */
767 if (op && (op->move_type & MOVE_FLYING))
768 if (op->type == ARROW || op->type == THROWN_OBJ)
769 return 1;
770 else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
771 return 1;
772
773 return 0;
774}
775/* adj_attackroll() - adjustments to attacks by various conditions */
776static int
777adj_attackroll (object *hitter, object *target)
778{
779 object *attacker = hitter;
780 int adjust = 0;
781
782 /* safety */
783 if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
784 {
785 LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
786 return 0;
787 }
788
789 /* aimed missiles use the owning object's sight */
790 if (is_aimed_missile (hitter))
791 {
792 if ((attacker = hitter->owner) == NULL)
793 attacker = hitter;
794 /* A player who saves but hasn't quit still could have objects
795 * owned by him - need to handle that case to avoid crashes.
796 */
797 if (QUERY_FLAG (attacker, FLAG_REMOVED))
798 attacker = hitter;
799 }
800 else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
801 return 0;
802
803 /* determine the condtions under which we make an attack.
804 * Add more cases, as the need occurs. */
805
806 if (!can_see_enemy (attacker, target))
807 {
808 /* target is unseen */
809 if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
810 adjust -= 10;
811 /* dark map penalty for the hitter (lacks infravision if we got here). */
812 else if (!stand_in_light (target))
813 adjust -= target->map->darklevel ();
814 }
815
816 if (QUERY_FLAG (attacker, FLAG_SCARED))
817 adjust -= 3;
818
819 if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
820 adjust += 1;
821
822 if (QUERY_FLAG (target, FLAG_SCARED))
823 adjust += 1;
824
825 if (QUERY_FLAG (attacker, FLAG_CONFUSED))
826 adjust -= 3;
827
828 /* if we attack at a different 'altitude' its harder */
829 if ((attacker->move_type & target->move_type) == 0)
830 adjust -= 2;
831
832#if 0
833 /* slower attacks are less likely to succeed. We should use a
834 * comparison between attacker/target speeds BUT, players have
835 * a generally faster speed, so this will wind up being a HUGE
836 * disadantage for the monsters! Too bad, because missiles which
837 * fly fast should have a better chance of hitting a slower target.
838 */
839 if (hitter->speed < target->speed)
840 adjust += ((float) hitter->speed - target->speed);
841#endif
842
843#if 0
844 LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
845#endif
846
847 return adjust;
848}
727 849
728static int 850static int
729attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc) 851attack_ob_simple (object *op, object *hitter, int base_dam, int base_wc)
730{ 852{
731 int simple_attack, roll, dam = 0; 853 int simple_attack, roll, dam = 0;
… …
744 866
745 /* 867 /*
746 * A little check to make it more difficult to dance forward and back 868 * A little check to make it more difficult to dance forward and back
747 * to avoid ever being hit by monsters. 869 * to avoid ever being hit by monsters.
748 */ 870 */
749 if (!simple_attack && QUERY_FLAG (op, FLAG_MONSTER) && op->speed_left > -(FABS (op->speed)) * 0.3) 871 if (!simple_attack && QUERY_FLAG (op, FLAG_MONSTER) && op->speed_left > op->speed * -0.3f)
750 { 872 {
751 /* Decrease speed BEFORE calling process_object. Otherwise, an 873 /* Decrease speed BEFORE calling process_object. Otherwise, an
752 * infinite loop occurs, with process_object calling move_monster, 874 * infinite loop occurs, with process_object calling move_monster,
753 * which then gets here again. By decreasing the speed before 875 * which then gets here again. By decreasing the speed before
754 * we call process_object, the 'if' statement above will fail. 876 * we call process_object, the 'if' statement above will fail.
755 */ 877 */
756 op->speed_left--; 878 --op->speed_left;
757 process_object (op); 879 process_object (op);
758 880
759 if (op->destroyed () || hitter->destroyed () || abort_attack (op, hitter, simple_attack)) 881 if (op->destroyed () || hitter->destroyed () || abort_attack (op, hitter, simple_attack))
760 goto error; 882 goto error;
761 } 883 }
… …
770 892
771 /* See if we hit the creature */ 893 /* See if we hit the creature */
772 if (roll == 20 || op->stats.ac >= base_wc - roll) 894 if (roll == 20 || op->stats.ac >= base_wc - roll)
773 { 895 {
774 int hitdam = base_dam; 896 int hitdam = base_dam;
775
776 if (settings.casting_time == TRUE)
777 {
778 if (hitter->type == PLAYER && hitter->casting_time > -1)
779 {
780 hitter->casting_time = -1;
781 new_draw_info (NDI_UNIQUE, 0, hitter, "You attacked and lost your spell!");
782 }
783
784 if (op->casting_time > -1 && hitdam > 0)
785 {
786 op->casting_time = -1;
787 if (op->type == PLAYER)
788 {
789 new_draw_info (NDI_UNIQUE, 0, op, "You were hit and lost your spell!");
790 new_draw_info_format (NDI_ALL | NDI_UNIQUE, 5, NULL, "%s was hit by %s and lost a spell.", &op_name, &hitter->name);
791 }
792 }
793 }
794 897
795 if (!simple_attack) 898 if (!simple_attack)
796 { 899 {
797 /* If you hit something, the victim should *always* wake up. 900 /* If you hit something, the victim should *always* wake up.
798 * Before, invisible hitters could avoid doing this. 901 * Before, invisible hitters could avoid doing this.
… …
804 * for help. */ 907 * for help. */
805 if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int)) 908 if (op->type != PLAYER && !can_see_enemy (op, hitter) && !op->owner && rndm (0, op->stats.Int))
806 npc_call_help (op); 909 npc_call_help (op);
807 910
808 /* if you were hidden and hit by a creature, you are discovered */ 911 /* if you were hidden and hit by a creature, you are discovered */
809 if (op->hide && QUERY_FLAG (hitter, FLAG_ALIVE)) 912 if (op->flag [FLAG_HIDDEN] && hitter->flag [FLAG_ALIVE])
810 { 913 {
811 make_visible (op); 914 make_visible (op);
812 915
813 if (op->type == PLAYER) 916 if (op->type == PLAYER)
814 new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. " "You are no longer hidden!"); 917 new_draw_info (NDI_UNIQUE, 0, op, "You were hit by a wild attack. You are no longer hidden!");
815 } 918 }
816 919
817 /* thrown items (hitter) will have various effects 920 /* thrown items (hitter) will have various effects
818 * when they hit the victim. For things like thrown daggers, 921 * when they hit the victim. For things like thrown daggers,
819 * this sets 'hitter' to the actual dagger, and not the 922 * this sets 'hitter' to the actual dagger, and not the
… …
831 if (hitdam <= 0) 934 if (hitdam <= 0)
832 hitdam = 1; 935 hitdam = 1;
833 936
834 type = hitter->attacktype; 937 type = hitter->attacktype;
835 938
939 /* Ok, because some of the brainfucks of the good *sigh* old *sigh*
940 * Crossfire we have to default the attacktype here to AT_PHYSICAL.
941 * This check is important for the most simple monsters out there in the
942 * game content (maps, archs). For example orcs: They would have
943 * no attacktype at all.
944 *
945 * Some time in the future someone should just go into the game data
946 * and fix every monster out there ;-/ Until then we will kill some
947 * more trees in the african rain forests with this check.
948 */
836 if (!type) 949 if (!type)
837 type = AT_PHYSICAL; 950 type = AT_PHYSICAL;
838 951
839 /* Handle monsters that hit back */ 952 /* Handle monsters that hit back */
840 if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE)) 953 if (!simple_attack && QUERY_FLAG (op, FLAG_HITBACK) && QUERY_FLAG (hitter, FLAG_ALIVE))
… …
891 * debate - 5000 is 5 kg, so arrows, knives, and other light weapons 1004 * debate - 5000 is 5 kg, so arrows, knives, and other light weapons
892 * stick around. 1005 * stick around.
893 */ 1006 */
894 if (op->weight <= 5000 && tmp->stats.hp >= 0) 1007 if (op->weight <= 5000 && tmp->stats.hp >= 0)
895 { 1008 {
896 tmp = tmp->head_ (); 1009 tmp->head_ ()->insert (op);
897
898 op->remove ();
899 op = insert_ob_in_ob (op, tmp);
900
901 if (tmp->type == PLAYER)
902 esrv_send_item (tmp, op);
903
904 return 1; 1010 return 1;
905 } 1011 }
906 else 1012 else
907 return 0; 1013 return 0;
908} 1014}
… …
922 /* Disassemble missile */ 1028 /* Disassemble missile */
923 if (op->inv) 1029 if (op->inv)
924 { 1030 {
925 container = op; 1031 container = op;
926 hitter = op->inv; 1032 hitter = op->inv;
927 hitter->remove ();
928 insert_ob_in_map (hitter, container->map, hitter, INS_NO_MERGE | INS_NO_WALK_ON); 1033 hitter->insert_at (container, hitter, INS_NO_MERGE | INS_NO_WALK_ON);
929 /* Note that we now have an empty THROWN_OBJ on the map. Code that 1034 /* Note that we now have an empty THROWN_OBJ on the map. Code that
930 * might be called until this THROWN_OBJ is either reassembled or 1035 * might be called until this THROWN_OBJ is either reassembled or
931 * removed at the end of this function must be able to deal with empty 1036 * removed at the end of this function must be able to deal with empty
932 * THROWN_OBJs. */ 1037 * THROWN_OBJs. */
933 } 1038 }
… …
947 * other places as well!) 1052 * other places as well!)
948 */ 1053 */
949 if (hitter->destroyed () || hitter->env != NULL) 1054 if (hitter->destroyed () || hitter->env != NULL)
950 { 1055 {
951 if (container) 1056 if (container)
952 {
953 container->remove ();
954 container->destroy (); 1057 container->destroy ();
955 }
956 1058
957 return 0; 1059 return 0;
958 } 1060 }
959 1061
960 /* Missile hit victim */ 1062 /* Missile hit victim */
… …
984 * can fly over but not otherwise move over. What is the correct 1086 * can fly over but not otherwise move over. What is the correct
985 * way to handle those otherwise? 1087 * way to handle those otherwise?
986 */ 1088 */
987 if (victim->x != hitter->x || victim->y != hitter->y) 1089 if (victim->x != hitter->x || victim->y != hitter->y)
988 { 1090 {
1091 if (victim->destroyed ())
1092 hitter->destroy ();
1093 else
1094 {
989 hitter->remove (); 1095 hitter->remove ();
990 hitter->x = victim->x; 1096 hitter->x = victim->x;
991 hitter->y = victim->y; 1097 hitter->y = victim->y;
992 insert_ob_in_map (hitter, victim->map, hitter, 0); 1098 insert_ob_in_map (hitter, victim->map, hitter, 0);
1099 }
993 } 1100 }
994 else 1101 else
995 /* Else leave arrow where it is */ 1102 /* Else leave arrow where it is */
996 merge_ob (hitter, NULL); 1103 merge_ob (hitter, NULL);
997 1104
… …
1009 } 1116 }
1010 1117
1011 return op; 1118 return op;
1012} 1119}
1013 1120
1014void 1121static void
1015tear_down_wall (object *op) 1122tear_down_wall (object *op)
1016{ 1123{
1017 int perc = 0;
1018
1019 if (!op->stats.maxhp) 1124 if (!op->stats.maxhp)
1020 {
1021 LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name); 1125 LOG (llevError, "TEAR_DOWN wall %s had no maxhp.\n", &op->name);
1022 perc = 1; 1126 else if (!op->has_anim ())
1023 }
1024 else if (!GET_ANIM_ID (op))
1025 { 1127 {
1026 /* Object has been called - no animations, so remove it */ 1128 /* Object has been called - no animations, so remove it */
1027 if (op->stats.hp < 0) 1129 if (op->stats.hp < 0)
1028 op->destroy (); 1130 op->destroy ();
1029 1131
1030 return; /* no animations, so nothing more to do */ 1132 return; /* no animations, so nothing more to do */
1031 } 1133 }
1032 1134
1033 perc = NUM_ANIMATIONS (op) - ((int) NUM_ANIMATIONS (op) * op->stats.hp) / op->stats.maxhp; 1135 // we use frames 1..num-2 as intermediate frames, so
1136 // the last frame is used only when hp < 0.
1137 int perc = clamp (
1138 lerp_ru<int> (op->stats.hp, 0, op->stats.maxhp, op->anim_frames () - 2, 0),
1139 0, op->anim_frames () - 1
1140 );
1034 1141
1035 if (perc >= (int) NUM_ANIMATIONS (op)) 1142 op->set_anim_frame (perc);
1036 perc = NUM_ANIMATIONS (op) - 1;
1037 else if (perc < 1)
1038 perc = 1;
1039
1040 SET_ANIMATION (op, perc);
1041 update_object (op, UP_OBJ_FACE); 1143 update_object (op, UP_OBJ_FACE);
1042 1144
1043 if (perc == NUM_ANIMATIONS (op) - 1) 1145 if (op->stats.hp < 0)
1044 { /* Reached the last animation */ 1146 { /* Reached the last animation */
1045 if (op->face == blank_face) 1147 if (op->face == blank_face)
1046 /* If the last face is blank, remove the ob */ 1148 /* If the last face is blank, remove the ob */
1047 op->destroy (); 1149 op->destroy ();
1048 else 1150 else
1049 { /* The last face was not blank, leave an image */ 1151 { /* The last face was not blank, leave an image */
1050 CLEAR_FLAG (op, FLAG_BLOCKSVIEW); 1152 op->flag [FLAG_BLOCKSVIEW] = false;
1051 update_all_los (op->map, op->x, op->y); 1153 update_all_los (op->map, op->x, op->y);
1052 op->move_block = 0; 1154 op->move_block = 0;
1053 CLEAR_FLAG (op, FLAG_ALIVE); 1155 op->flag [FLAG_ALIVE] = false;
1054 } 1156 }
1055 } 1157 }
1056} 1158}
1057 1159
1058void 1160static void
1059scare_creature (object *target, object *hitter) 1161scare_creature (object *target, object *hitter)
1060{ 1162{
1061 object *owner = hitter->owner; 1163 target->flag [FLAG_SCARED] = true;
1062 1164
1165 if (!target->enemy)
1166 target->enemy = hitter->outer_owner ();
1167}
1168
1169/* GROS: This code comes from hit_player. It has been made external to
1170 * allow script procedures to "kill" objects in a combat-like fashion.
1171 * It was initially used by (kill-object) developed for the Collector's
1172 * Sword. Note that nothing has been changed from the original version
1173 * of the following code.
1174 * op is what is being killed.
1175 * dam is the damage done to it.
1176 * hitter is what is hitting it.
1177 * type is the attacktype.
1178 *
1179 * This function was a bit of a mess with hitter getting changed,
1180 * values being stored away but not used, etc. I've cleaned it up
1181 * a bit - I think it should be functionally equivalant.
1182 * MSW 2002-07-17
1183 */
1184int
1185kill_object (object *op, int dam, object *hitter, int type)
1186{
1187 char buf[MAX_BUF];
1188 shstr skill;
1189 int maxdam = 0;
1190 int battleg = 0; /* true if op standing on battleground */
1191 int pk = 0; /* true if op and what controls hitter are both players */
1192 object *owner = 0;
1193 object *skop = 0;
1194
1195 if (op->stats.hp >= 0)
1196 return -1;
1197
1198 if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1199 return 0;
1200
1201 /* maxdam needs to be the amount of damage it took to kill
1202 * this creature. The function(s) that call us have already
1203 * adjusted the creatures HP total, so that is negative.
1204 */
1205 maxdam = dam + op->stats.hp + 1;
1206
1207 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1208 update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1209
1210 if (op->type == DOOR)
1211 {
1212 op->set_speed (0.1f);
1213 op->speed_left = -0.05f;
1214 return maxdam;
1215 }
1216
1217 if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1218 {
1219 op->drop_and_destroy ();
1220 return maxdam;
1221 }
1222
1223 /* Now lets start dealing with experience we get for killing something */
1224
1225 owner = hitter->outer_owner ();
1063 if (!owner) 1226 if (!owner)
1064 owner = hitter; 1227 owner = hitter;
1065 1228
1229 /* is the victim (op) standing on battleground? */
1230 if (op_on_battleground (op, NULL, NULL))
1231 battleg = 1;
1232
1233 /* is this player killing? */
1234 if (op->type == PLAYER && owner->type == PLAYER)
1235 pk = 1;
1236
1237 /* Player killed something */
1238 if (owner->type == PLAYER)
1239 {
1240 /* Log players killing other players - makes it easier to detect
1241 * and filter out malicious player killers - that is why the
1242 * ip address is included.
1243 */
1244 if (op->type == PLAYER && !battleg)
1245 {
1246 time_t t = time (NULL);
1247 struct tm *tmv;
1248 char buf[256];
1249
1250 tmv = localtime (&t);
1251 strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1252
1253 LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1254 }
1255
1256 /* try to filter some things out - basically, if you are
1257 * killing a level 1 creature and your level 20, you
1258 * probably don't want to see that.
1259 */
1260 if (owner->level < op->level * 2 || op->stats.exp > 1000)
1261 {
1262 if (owner != hitter)
1263 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1264 else
1265 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1266
1267 /* Only play sounds for melee kills */
1268 if (hitter->type == PLAYER)
1269 owner->play_sound (sound_find ("player_kills"));
1270 }
1271
1272 /* If a player kills another player, not on
1273 * battleground, the "killer" looses 1 luck. Since this is
1274 * not reversible, it's actually quite a pain IMHO. -AV
1275 * Fix bug in that we were changing the luck of the hitter, not
1276 * player that the object belonged to - so if you killed another player
1277 * with spells, pets, whatever, there was no penalty.
1278 * Changed to make luck penalty configurable in settings.
1279 */
1280 if (op->type == PLAYER && owner != op && !battleg)
1281 owner->change_luck (-settings.pk_luck_penalty);
1282
1283 /* This code below deals with finding the appropriate skill
1284 * to credit exp to. This is a bit problematic - we should
1285 * probably never really have to look at current_weapon->skill
1286 */
1287 if (hitter->skill && hitter->type != PLAYER)
1288 skill = hitter->skill;
1289 else if (owner->chosen_skill)
1290 {
1291 skop = owner->chosen_skill;
1292 skill = skop->skill;
1293 }
1294 else if (QUERY_FLAG (owner, FLAG_READY_WEAPON) && owner->current_weapon)
1295 skill = owner->current_weapon->skill;
1296 else
1297 {
1298 LOG (llevError, "BUG: kill_object - unable to find skill that killed monster\n"
1299 "op: %s\n" "hitter: %s\n" "owner: %s\n",
1300 owner->debug_desc (), hitter->debug_desc (), op->debug_desc ());
1301 skill = 0;
1302 }
1303
1304 /* We have the skill we want to credit to - now find the object this goes
1305 * to. Make sure skop is an actual skill, and not a skill tool!
1306 */
1307 skop = owner->contr->find_skill (skill);
1308 } /* Was it a player that hit somethign */
1309 else
1310 skill = 0;
1311
1312 /* These may have been set in the player code section above */
1313 if (!skop)
1314 skop = hitter->chosen_skill;
1315
1316 if (!skill && skop)
1317 skill = skop->skill;
1318
1319 /* If you didn't kill yourself, and your not the wizard */
1320 if (owner != op && !QUERY_FLAG (op, FLAG_WIZ))
1321 {
1322 int exp;
1323
1324 /* Really don't give much experience for killing other players */
1325 // schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1326 if (battleg)
1327 {
1328 if (op->is_player ())
1329 {
1330 new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1331 new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1332 }
1333
1334 exp = 0;
1335 }
1336 else if (op->is_player ())
1337 exp = op->stats.exp / 1000;
1338 else
1339 exp = calc_skill_exp (owner, op, skop);
1340
1341 /* Don't know why this is set this way - doesn't make
1342 * sense to just divide everything by two for no reason.
1343 */
1344
1345 if (!settings.simple_exp)
1346 exp = exp / 2;
1347
1348 if (owner->type != PLAYER || owner->contr->party == NULL)
1349 change_exp (owner, exp, skill, 0);
1350 else
1351 {
1352 int shares = 0, count = 0;
1353 partylist *party = owner->contr->party;
1354
1355 add_kill_to_party (party, query_name (owner), query_name (op), exp);
1356
1357 for_all_players (pl)
1358 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1359 {
1360 count++;
1361 shares += (pl->ob->level + 4);
1362 }
1363
1364 if (count == 1 || shares > exp || !shares)
1365 change_exp (owner, exp, skill, SK_EXP_TOTAL);
1366 else
1367 {
1368 int share = exp / shares, given = 0, nexp;
1369
1370 for_all_players (pl)
1371 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1372 {
1373 nexp = (pl->ob->level + 4) * share;
1374 change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1375 given += nexp;
1376 }
1377
1378 exp -= given;
1379 /* give any remainder to the player */
1380 change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1381 }
1382 } /* else part of a party */
1383 } /* end if person didn't kill himself */
1384
1385 if (op->type != PLAYER)
1386 {
1387 if (QUERY_FLAG (op, FLAG_FRIENDLY))
1388 {
1389 object *owner1 = op->owner;
1390
1391 if (owner1 && owner1->type == PLAYER)
1392 {
1393 owner1->contr->play_sound (sound_find ("pet_is_killed"));
1394 /* Maybe we should include the owner that killed this, maybe not */
1395 new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, was killed by %s.", &op->name, &hitter->name);
1396 }
1397
1398 remove_friendly_object (op);
1399 }
1400
1401 op->drop_and_destroy ();
1402 }
1403 else
1404 /* Player has been killed! */
1405 op->contr->killer = owner->type == PLAYER ? owner : hitter;
1406
1407 /* This was return -1 - that doesn't seem correct - if we return -1, process
1408 * continues in the calling function.
1409 */
1410 return maxdam;
1411}
1412
1413/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1414 * Returns 0 this is not friendly fire
1415 */
1416int
1417friendly_fire (object *op, object *hitter)
1418{
1419 object *owner;
1420 int friendlyfire;
1421
1422 if (hitter->head)
1423 hitter = hitter->head;
1424
1425 friendlyfire = 0;
1426
1427 if (op->type == PLAYER)
1428 {
1429 if (op_on_battleground (hitter, 0, 0))
1430 return 0;
1431
1432 if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1433 return 1;
1434
1435 if ((owner = hitter->owner) != NULL)
1436 {
1437 if (owner->type == PLAYER && owner->contr->peaceful == 1)
1438 friendlyfire = 2;
1439 }
1440
1441 if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1442 friendlyfire = 0;
1443 }
1444
1445 return friendlyfire;
1446}
1447
1448/* This isn't used just for players, but in fact most objects.
1449 * op is the object to be hit, dam is the amount of damage, hitter
1450 * is what is hitting the object, type is the attacktype, and
1451 * full_hit is set if monster area does not matter.
1452 * dam is base damage - protections/vulnerabilities/slaying matches can
1453 * modify it.
1454 */
1455/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1456 * which needs new attacktype AT_HOLYWORD to work . b.t. */
1457int
1458hit_player (object *op, int dam, object *hitter, uint32_t type, int full_hit)
1459{
1460 int magic = type & AT_MAGIC;
1461 int body_attack = op && op->head; /* Did we hit op's head? */
1462 int maxdam = 0, ndam = 0, attacktype = 1;
1463 int maxattacktype;
1464 int simple_attack;
1465 int rtn_kill = 0;
1466 int friendlyfire;
1467
1468 if (get_attack_mode (&op, &hitter, &simple_attack))
1469 return 0;
1470
1471 /* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1472 if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1473 return 0;
1474
1475 // only allow pk for hostile players
1476 if (op->type == PLAYER)
1477 {
1478 object *owner = hitter->owner;
1479
1480 if (!owner)
1481 owner = hitter;
1482
1483 if (owner->type == PLAYER
1484 && (!op_on_battleground (op, 0, 0)
1485 && (op->contr->peaceful || owner->contr->peaceful))
1486 && op != owner)
1487 return 0;
1488 }
1489
1490 if (body_attack)
1491 {
1492 /* slow and paralyze must hit the head. But we don't want to just
1493 * return - we still need to process other attacks the spell still
1494 * might have. So just remove the paralyze and slow attacktypes,
1495 * and keep on processing if we have other attacktypes.
1496 * return if only magic or nothing is left - under normal code
1497 * we don't attack with pure magic if there is another attacktype.
1498 * Only do processing if the initial attacktype includes one of those
1499 * attack so we don't cancel out things like magic bullet.
1500 */
1501 if (type & (AT_PARALYZE | AT_SLOW))
1502 {
1503 type &= ~(AT_PARALYZE | AT_SLOW);
1504
1505 if (!type || type == AT_MAGIC)
1506 return 0;
1507 }
1508 }
1509
1510 if (!simple_attack && op->type == DOOR)
1511 {
1512 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1513 if (tmp->type == RUNE || tmp->type == TRAP)
1514 {
1515 spring_trap (tmp, hitter);
1516
1517 if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1518 return 0;
1519
1520 break;
1521 }
1522 }
1523
1524 if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1525 {
1526 /* FIXME: If a player is killed by a rune in a door, the
1527 * destroyed() check above doesn't return, and might get here.
1528 */
1529
1530 /* FIXME: This for example happens when a dead door is on a mover and
1531 gets it's speed_left raised on each mover-tick.
1532 Doors are removed in a kinda funny way by giving them speed and speed_left
1533 and waiting for that to run out.
1534 */
1535 LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1536 return 0;
1537 }
1538
1539#ifdef ATTACK_DEBUG
1540 LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1541#endif
1542
1543 if (magic)
1544 {
1545 /* basically: dam = dam*(100-op->resist[attacknum])/100;
1546 * in case 0>dam>1, we try to "simulate" a float value-effect */
1547 dam = dam * (100 - op->resist[ATNR_MAGIC]);
1548 if (dam >= 100)
1549 dam /= 100;
1550 else
1551 dam = (dam > rndm (0, 99)) ? 1 : 0;
1552 }
1553
1554 /* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1555 * If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1556 */
1557 if (type & AT_CHAOS)
1558 {
1559 shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1560 update_object (op, UP_OBJ_FACE);
1561 type &= ~AT_CHAOS;
1562 }
1563
1564 /* Holyword is really an attacktype modifier (like magic is). If
1565 * holyword is part of an attacktype, then make sure the creature is
1566 * a proper match, otherwise no damage.
1567 */
1568 if (type & AT_HOLYWORD)
1569 {
1570 object *god;
1571
1572 if ((!hitter->slaying
1573 || (!(op->race && hitter->slaying.contains (op->race))
1574 && !(op->name && hitter->slaying.contains (op->name))))
1575 && (!QUERY_FLAG (op, FLAG_UNDEAD)
1576 || (hitter->title
1577 && (god = find_god (determine_god (hitter))) != NULL
1578 && god->race.contains (shstr_undead))))
1579 return 0;
1580 }
1581
1582 maxattacktype = type; /* initialise this to something */
1583 for_all_bits_sparse_32 (type, attacknum)
1584 {
1585 uint32_t attacktype = 1 << attacknum;
1586
1587 /* Magic isn't really a true attack type - it gets combined with other
1588 * attack types. As such, skip it over. However, if magic is
1589 * the only attacktype in the group, then still attack with it
1590 */
1591 if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1592 continue;
1593
1594 /* Go through and hit the player with each attacktype, one by one.
1595 * hit_player_attacktype only figures out the damage, doesn't inflict
1596 * it. It will do the appropriate action for attacktypes with
1597 * effects (slow, paralization, etc.
1598 */
1599 ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1600
1601 /* the >= causes us to prefer messages from special attacks, if
1602 * the damage is equal.
1603 */
1604 if (ndam >= maxdam)
1605 {
1606 maxdam = ndam;
1607 maxattacktype = 1 << attacknum;
1608 }
1609 }
1610
1611 /* if this is friendly fire then do a set % of damage only
1612 * Note - put a check in to make sure this attack is actually
1613 * doing damage - otherwise, the +1 in the code below will make
1614 * an attack do damage before when it otherwise didn't
1615 */
1616 friendlyfire = friendly_fire (op, hitter);
1617 if (friendlyfire && maxdam)
1618 {
1619 maxdam = ((dam * settings.set_friendly_fire) / 100);
1620
1621#ifdef ATTACK_DEBUG
1622 LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1623 friendlyfire, settings.set_friendly_fire, dam, maxdam);
1624#endif
1625 }
1626
1627 if (!full_hit)
1628 {
1629 int area;
1630 int remainder;
1631
1632 area = 0;
1633
1634 for (archetype *at = op->arch; at; at = (archetype *)at->more)
1635 area++;
1636
1637 assert (area > 0);
1638
1639 /* basically: maxdam /= area; we try to "simulate" a float
1640 value-effect */
1641 remainder = 100 * (maxdam % area) / area;
1642 maxdam /= area;
1643 if (rndm (100) < remainder)
1644 maxdam++;
1645 }
1646
1647#ifdef ATTACK_DEBUG
1648 LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1649#endif
1650
1651 // for now, only do this for active objects, otherwise they
1652 // keep a refcount for a long time and I see no usefulness
1653 // for an non-active objetc to know its enemy.
1654 if (op->active)
1655 if (hitter->owner)
1656 op->enemy = hitter->owner;
1657 else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1658 op->enemy = hitter;
1659
1660 if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1661 {
1662 /* The unaggressives look after themselves 8) */
1663 CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1664 npc_call_help (op);
1665 }
1666
1667 if (magic && did_make_save (op, op->level, 0))
1668 maxdam = maxdam / 2;
1669
1670 attack_message (maxdam, maxattacktype, op, hitter);
1671
1672 op->stats.hp -= maxdam;
1673
1674 /* Eneq(@csd.uu.se): Check to see if monster runs away. */
1675 if (op->stats.hp >= 0
1676 && (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
1677 && op->stats.hp * 100 < op->stats.maxhp * op->run_away)
1678 {
1679
1680 if (QUERY_FLAG (op, FLAG_MONSTER))
1681 SET_FLAG (op, FLAG_RUN_AWAY);
1682 else
1683 scare_creature (op, hitter);
1684 }
1685
1686 if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1687 {
1688 if (maxdam)
1689 tear_down_wall (op);
1690
1691 return maxdam; /* nothing more to do for wall */
1692 }
1693
1694 /* See if the creature has been killed */
1695 rtn_kill = kill_object (op, maxdam, hitter, type);
1696 if (rtn_kill != -1)
1697 return rtn_kill;
1698
1699 /* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1700 * that before if the player was immune to ghosthit, the monster
1701 * remained - that is no longer the case.
1702 */
1703 if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1704 hitter->drop_and_destroy ();
1705 /* Lets handle creatures that are splitting now */
1706 else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1707 {
1708 int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1709 int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1710 object *owner = op->owner;
1711
1712 if (!op->other_arch)
1713 {
1714 LOG (llevError, "SPLITTING without other_arch error.\n");
1715 return maxdam;
1716 }
1717
1718 op->remove ();
1719
1720 for (int i = 0; i < op->stats.food; i++)
1721 { /* This doesn't handle op->more yet */
1722 object *tmp = op->other_arch->instance ();
1723
1724 tmp->stats.hp = op->stats.hp;
1725
1726 if (friendly)
1727 {
1728 add_friendly_object (tmp);
1729 tmp->attack_movement = PETMOVE;
1730
1731 if (owner)
1732 tmp->set_owner (owner);
1733 }
1734
1735 if (unaggressive)
1736 SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1737
1738 int j = find_first_free_spot (tmp, op->map, op->x, op->y);
1739
1740 if (j == -1) /* No spot to put this monster */
1741 tmp->destroy ();
1742 else
1743 {
1744 tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
1745 insert_ob_in_map (tmp, op->map, NULL, 0);
1746 }
1747 }
1748
1749 op->destroy ();
1750 }
1751 else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
1752 hitter->drop_and_destroy ();
1753
1754 return maxdam;
1755}
1756
1757static void
1758poison_player (object *op, object *hitter, int dam)
1759{
1760 archetype *at = archetype::find (shstr_poisoning);
1761 object *tmp = present_arch_in_ob (at, op);
1762
1763 if (tmp == NULL)
1764 {
1765 tmp = insert_ob_in_ob (at->instance (), op);
1766 /* peterm: give poisoning some teeth. It should
1767 * be able to kill things better than it does:
1768 * damage should be dependent something--I choose to
1769 * do this: if it's a monster, the damage from the
1770 * poisoning goes as the level of the monster/2.
1771 * If anything else, goes as damage.
1772 */
1773
1774 if (QUERY_FLAG (hitter, FLAG_ALIVE))
1775 tmp->stats.dam += hitter->level / 2;
1776 else
1777 tmp->stats.dam = dam;
1778
1779 tmp->set_owner (hitter); /* so we get credit for poisoning kills */
1780 if (hitter->skill && hitter->skill != tmp->skill)
1781 tmp->skill = hitter->skill;
1782
1783 tmp->stats.food += dam; /* more damage, longer poisoning */
1784
1785 if (op->type == PLAYER)
1786 {
1787 /* player looses stats, maximum is -10 of each */
1788 tmp->stats.Con = max (-(dam / 4 + 1), -10);
1789 tmp->stats.Str = max (-(dam / 3 + 2), -10);
1790 tmp->stats.Dex = max (-(dam / 6 + 1), -10);
1791 tmp->stats.Int = max (-(dam / 7 ), -10);
1792 SET_FLAG (tmp, FLAG_APPLIED);
1793 op->update_stats ();
1794 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
1795 op->play_sound (tmp->sound);
1796 }
1797
1798 if (hitter->type == PLAYER)
1799 new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
1800 else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
1801 new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
1802
1803 tmp->speed_left = 0;
1804 }
1805 else
1806 tmp->stats.food++;
1807}
1808
1809static void
1810slow_player (object *op, object *hitter, int dam)
1811{
1812 archetype *at = archetype::find (shstr_slowness);
1813 object *tmp;
1814
1815 if (at == NULL)
1816 LOG (llevError, "Can't find slowness archetype.\n");
1817
1818 if ((tmp = present_arch_in_ob (at, op)) == NULL)
1819 {
1820 tmp = at->instance ();
1821 tmp = insert_ob_in_ob (tmp, op);
1822 new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
1823 }
1824 else
1825 tmp->stats.food++;
1826
1066 SET_FLAG (target, FLAG_SCARED); 1827 SET_FLAG (tmp, FLAG_APPLIED);
1067 if (!target->enemy) 1828 tmp->speed_left = 0;
1068 target->enemy = owner; 1829 op->update_stats ();
1830}
1831
1832void
1833confuse_player (object *op, object *hitter, int dam)
1834{
1835 object *tmp;
1836 int maxduration;
1837
1838 tmp = present_in_ob_by_name (FORCE, shstr_confusion, op);
1839 if (!tmp)
1840 {
1841 tmp = get_archetype (FORCE_NAME);
1842 tmp = insert_ob_in_ob (tmp, op);
1843 }
1844
1845 /* Duration added per hit and max. duration of confusion both depend
1846 * on the player's resistance
1847 */
1848 tmp->speed = 0.05;
1849 tmp->subtype = FORCE_CONFUSION;
1850 tmp->duration = 8 + max (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
1851 tmp->name = shstr_confusion;
1852 maxduration = max (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
1853
1854 if (tmp->duration > maxduration)
1855 tmp->duration = maxduration;
1856
1857 if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
1858 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
1859
1860 SET_FLAG (op, FLAG_CONFUSED);
1861}
1862
1863void
1864blind_player (object *op, object *hitter, int dam)
1865{
1866 object *tmp, *owner;
1867
1868 /* Save some work if we know it isn't going to affect the player */
1869 if (op->resist[ATNR_BLIND] == 100)
1870 return;
1871
1872 tmp = present_in_ob (BLINDNESS, op);
1873 if (!tmp)
1874 {
1875 tmp = get_archetype (shstr_blindness);
1876 SET_FLAG (tmp, FLAG_BLIND);
1877 SET_FLAG (tmp, FLAG_APPLIED);
1878 /* use floats so we don't lose too much precision due to rounding errors.
1879 * speed is a float anyways.
1880 */
1881 tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
1882
1883 tmp = insert_ob_in_ob (tmp, op);
1884 change_abil (op, tmp); /* Mostly to display any messages */
1885 op->update_stats (); /* This takes care of some other stuff */
1886
1887 if (hitter->owner)
1888 owner = hitter->owner;
1889 else
1890 owner = hitter;
1891
1892 new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
1893 }
1894 tmp->stats.food += dam;
1895 if (tmp->stats.food > 10)
1896 tmp->stats.food = 10;
1897}
1898
1899void
1900paralyze_player (object *op, object *hitter, int dam)
1901{
1902 /* This is strange stuff... someone knows for what this is
1903 * written? Well, i think this can and should be removed
1904 */
1905
1906 /*
1907 if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
1908 tmp=clone_arch(PARAIMAGE);
1909 tmp->x=op->x,tmp->y=op->y;
1910 insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
1911 }
1912 */
1913
1914 /* Do this as a float - otherwise, rounding might very well reduce this to 0 */
1915 float effect = dam * 3.f * (100.f - op->resist[ATNR_PARALYZE]) / 100.f;
1916
1917 op->speed_left -= op->speed * effect;
1918 /* tmp->stats.food+=(signed short) effect/op->speed; */
1919
1920 /* max number of ticks to be affected for. */
1921 float max = (100 - op->resist[ATNR_PARALYZE]) / 2;
1922
1923 max_it (op->speed_left, -op->speed * max);
1924
1925/* tmp->stats.food = (signed short) (max / op->speed); */
1926}
1927
1928/* Attempts to kill 'op'. hitter is the attack object, dam is
1929 * the computed damaged.
1930 */
1931static void
1932deathstrike_player (object *op, object *hitter, int *dam)
1933{
1934 /* The intention of a death attack is to kill outright things
1935 ** that are a lot weaker than the attacker, have a chance of killing
1936 ** things somewhat weaker than the caster, and no chance of
1937 ** killing something equal or stronger than the attacker.
1938 ** Also, if a deathstrike attack has a slaying, any monster
1939 ** whose name or race matches a comma-delimited list in the slaying
1940 ** field of the deathstriking object */
1941
1942 int atk_lev, def_lev, kill_lev;
1943
1944 if (hitter->slaying)
1945 if (!((QUERY_FLAG (op, FLAG_UNDEAD) && hitter->slaying.contains (shstr_undead))
1946 || (op->race && hitter->slaying.contains (op->race))))
1947 return;
1948
1949 def_lev = op->level;
1950 if (def_lev < 1)
1951 {
1952 LOG (llevError, "BUG: arch %s with level < 1 (%s)\n", &op->arch->archname, op->debug_desc ());
1953 def_lev = 1;
1954 }
1955
1956 atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
1957 /* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
1958 atk_lev, def_lev); */
1959
1960 if (atk_lev >= def_lev)
1961 {
1962 kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
1963
1964 /* Note that the below effectively means the ratio of the atk vs
1965 * defener level is important - if level 52 character has very little
1966 * chance of killing a level 50 monster. This should probably be
1967 * redone.
1968 */
1969 if (kill_lev >= def_lev)
1970 {
1971 *dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
1972 /* I think this doesn't really do much. Because of
1973 * integer rounding, this only makes any difference if the
1974 * attack level is double the defender level.
1975 */
1976 *dam *= kill_lev / def_lev;
1977 }
1978 }
1979 else
1980 *dam = 0; /* no harm done */
1069} 1981}
1070 1982
1071/* This returns the amount of damage hitter does to op with the 1983/* This returns the amount of damage hitter does to op with the
1072 * appropriate attacktype. Only 1 attacktype should be set at a time. 1984 * appropriate attacktype. Only 1 attacktype should be set at a time.
1073 * This doesn't damage the player, but returns how much it should 1985 * This doesn't damage the player, but returns how much it should
… …
1098 if (attacknum == ATNR_INTERNAL) 2010 if (attacknum == ATNR_INTERNAL)
1099 return dam; 2011 return dam;
1100 2012
1101 if (hitter->slaying) 2013 if (hitter->slaying)
1102 { 2014 {
1103 if ((op->race && strstr (hitter->slaying, op->race)) 2015 if ((op->race && hitter->slaying.contains (op->race))
1104 || (op->arch && op->arch->name && strstr (op->arch->name, hitter->slaying))) 2016 || (op->arch && op->arch->archname.contains (hitter->slaying)))
1105 { 2017 {
1106 doesnt_slay = 0; 2018 doesnt_slay = 0;
1107 dam *= 3; 2019 dam *= 3;
1108 } 2020 }
1109 } 2021 }
… …
1155 case ATNR_BLIND: 2067 case ATNR_BLIND:
1156 { 2068 {
1157 /* chance for inflicting a special attack depends on the 2069 /* chance for inflicting a special attack depends on the
1158 * difference between attacker's and defender's level 2070 * difference between attacker's and defender's level
1159 */ 2071 */
1160 int level_diff = MIN (110, MAX (0, op->level - hitter->level)); 2072 int level_diff = min (110, max (0, op->level - hitter->level));
1161 2073
1162 /* First, only creatures/players with speed can be affected. 2074 /* First, only creatures/players with speed can be affected.
1163 * Second, just getting hit doesn't mean it always affects 2075 * Second, just getting hit doesn't mean it always affects
1164 * you. Third, you still get a saving through against the 2076 * you. Third, you still get a saving through against the
1165 * effect. 2077 * effect.
1166 */ 2078 */
1167 if (op->speed && 2079 if (op->has_active_speed ()
1168 (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) && 2080 && (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER)
2081 && !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1))
1169 !(rndm (0, (attacknum == ATNR_SLOW ? 6 : 3) - 1)) && !did_make_save (op, level_diff, op->resist[attacknum] / 10)) 2082 && !did_make_save (op, level_diff, op->resist[attacknum] / 10))
1170 { 2083 {
1171 2084
1172 /* Player has been hit by something */ 2085 /* Player has been hit by something */
1173 if (attacknum == ATNR_CONFUSION) 2086 if (attacknum == ATNR_CONFUSION)
1174 confuse_player (op, hitter, dam); 2087 confuse_player (op, hitter, dam);
… …
1222 2135
1223 /* High damage acid has better chance of corroding 2136 /* High damage acid has better chance of corroding
1224 objects */ 2137 objects */
1225 if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic) 2138 if (rndm (0, dam + 4) > random_roll (0, 39, op, PREFER_HIGH) + 2 * tmp->magic)
1226 { 2139 {
1227 if (op->type == PLAYER)
1228 /* Make this more visible */
1229 new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, op,
1230 "The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
1231 flag = 1; 2140 flag = 1;
1232 tmp->magic--; 2141 tmp->magic--;
1233 if (op->type == PLAYER) 2142
1234 esrv_send_item (op, tmp); 2143 if (object *pl = tmp->visible_to ())
2144 {
2145 /* Make this more visible */
2146 new_draw_info_format (NDI_UNIQUE | NDI_RED, 0, pl,
2147 "The %s's acid corrodes your %s!", query_name (hitter), query_name (tmp));
2148
2149 esrv_send_item (op, tmp); //TODO: UPD_NAME should be enough (it's enough in other cases)
2150 }
1235 } 2151 }
1236 } 2152 }
1237 2153
1238 if (flag) 2154 if (flag)
1239 op->update_stats (); /* Something was corroded */ 2155 op->update_stats (); /* Something was corroded */
… …
1273 * exp, but the wiz would still lose exp! If drainee is a wiz, 2189 * exp, but the wiz would still lose exp! If drainee is a wiz,
1274 * nothing happens. 2190 * nothing happens.
1275 * Try to credit the owner. We try to display player -> player drain 2191 * Try to credit the owner. We try to display player -> player drain
1276 * attacks, hence all the != PLAYER checks. 2192 * attacks, hence all the != PLAYER checks.
1277 */ 2193 */
1278 if (!op_on_battleground (hitter, NULL, NULL) && !QUERY_FLAG (op, FLAG_WAS_WIZ)) 2194 if (!op_on_battleground (hitter, NULL, NULL) && !QUERY_FLAG (op, FLAG_WIZ))
1279 { 2195 {
1280 object *owner = hitter->owner; 2196 object *owner = hitter->owner;
1281 2197
1282 if (owner && owner != hitter) 2198 if (owner && owner != hitter)
1283 { 2199 {
… …
1308 object *god = find_god (determine_god (owner)); 2224 object *god = find_god (determine_god (owner));
1309 int div = 1; 2225 int div = 1;
1310 2226
1311 /* if undead are not an enemy of your god, you turn them 2227 /* if undead are not an enemy of your god, you turn them
1312 * at half strength */ 2228 * at half strength */
1313 if (!god || !god->slaying || strstr (god->slaying, undead_name) == NULL) 2229 if (!god || !god->slaying.contains (shstr_undead))
1314 div = 2; 2230 div = 2;
1315 2231
1316 /* Give a bonus if you resist turn undead */ 2232 /* Give a bonus if you resist turn undead */
1317 if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100))) 2233 if (op->level * div < (turn_bonus[owner->stats.Wis] + owner->level + (op->resist[ATNR_TURN_UNDEAD] / 100)))
1318 scare_creature (op, owner); 2234 scare_creature (op, owner);
… …
1390 } 2306 }
1391 2307
1392 return dam; 2308 return dam;
1393} 2309}
1394 2310
1395/* GROS: This code comes from hit_player. It has been made external to
1396 * allow script procedures to "kill" objects in a combat-like fashion.
1397 * It was initially used by (kill-object) developed for the Collector's
1398 * Sword. Note that nothing has been changed from the original version
1399 * of the following code.
1400 * op is what is being killed.
1401 * dam is the damage done to it.
1402 * hitter is what is hitting it.
1403 * type is the attacktype.
1404 *
1405 * This function was a bit of a mess with hitter getting changed,
1406 * values being stored away but not used, etc. I've cleaned it up
1407 * a bit - I think it should be functionally equivalant.
1408 * MSW 2002-07-17
1409 */
1410int
1411kill_object (object *op, int dam, object *hitter, int type)
1412{
1413 char buf[MAX_BUF];
1414 const char *skill;
1415 int maxdam = 0;
1416 int battleg = 0; /* true if op standing on battleground */
1417 int pk = 0; /* true if op and what controls hitter are both players */
1418 object *owner = 0;
1419 object *skop = 0;
1420
1421 if (op->stats.hp >= 0)
1422 return -1;
1423
1424 if (INVOKE_OBJECT (KILL, op, ARG_OBJECT (hitter)))
1425 return 0;
1426
1427 /* maxdam needs to be the amount of damage it took to kill
1428 * this creature. The function(s) that call us have already
1429 * adjusted the creatures HP total, so that is negative.
1430 */
1431 maxdam = dam + op->stats.hp + 1;
1432
1433 if (QUERY_FLAG (op, FLAG_BLOCKSVIEW))
1434 update_all_los (op->map, op->x, op->y); /* makes sure los will be recalculated */
1435
1436 if (op->type == DOOR)
1437 {
1438 op->set_speed (0.1);
1439 op->speed_left = -0.05;
1440 return maxdam;
1441 }
1442
1443 if (QUERY_FLAG (op, FLAG_FRIENDLY) && op->type != PLAYER)
1444 {
1445 op->destroy ();
1446 return maxdam;
1447 }
1448
1449 /* Now lets start dealing with experience we get for killing something */
1450
1451 owner = hitter->owner;
1452 if (!owner)
1453 owner = hitter;
1454
1455 /* is the victim (op) standing on battleground? */
1456 if (op_on_battleground (op, NULL, NULL))
1457 battleg = 1;
1458
1459 /* is this player killing? */
1460 if (op->type == PLAYER && owner->type == PLAYER)
1461 pk = 1;
1462
1463 /* Player killed something */
1464 if (owner->type == PLAYER)
1465 {
1466 Log_Kill (owner->name,
1467 query_name (op), op->type, (owner != hitter) ? query_name (hitter) : NULL, (owner != hitter) ? hitter->type : 0);
1468
1469 /* Log players killing other players - makes it easier to detect
1470 * and filter out malicious player killers - that is why the
1471 * ip address is included.
1472 */
1473 if (op->type == PLAYER && !battleg)
1474 {
1475 time_t t = time (NULL);
1476 struct tm *tmv;
1477 char buf[256];
1478
1479 tmv = localtime (&t);
1480 strftime (buf, 256, "%a %b %d %H:%M:%S %Y", tmv);
1481
1482 LOG (llevInfo, "%s PLAYER_KILL_PLAYER: %s (%s) killed %s\n", buf, &owner->name, owner->contr->ns->host, query_name (op));
1483 }
1484
1485 /* try to filter some things out - basically, if you are
1486 * killing a level 1 creature and your level 20, you
1487 * probably don't want to see that.
1488 */
1489 if (owner->level < op->level * 2 || op->stats.exp > 1000)
1490 {
1491 if (owner != hitter)
1492 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s with %s.", query_name (op), query_name (hitter));
1493 else
1494 new_draw_info_format (NDI_BLACK, 0, owner, "You killed %s.", query_name (op));
1495
1496 /* Only play sounds for melee kills */
1497 if (hitter->type == PLAYER)
1498 play_sound_map (owner->map, owner->x, owner->y, SOUND_PLAYER_KILLS);
1499 }
1500
1501 /* If a player kills another player, not on
1502 * battleground, the "killer" looses 1 luck. Since this is
1503 * not reversible, it's actually quite a pain IMHO. -AV
1504 * Fix bug in that we were changing the luck of the hitter, not
1505 * player that the object belonged to - so if you killed another player
1506 * with spells, pets, whatever, there was no penalty.
1507 * Changed to make luck penalty configurable in settings.
1508 */
1509 if (op->type == PLAYER && owner != op && !battleg)
1510 owner->change_luck (-settings.pk_luck_penalty);
1511
1512 /* This code below deals with finding the appropriate skill
1513 * to credit exp to. This is a bit problematic - we should
1514 * probably never really have to look at current_weapon->skill
1515 */
1516 skill = 0;
1517
1518 if (hitter->skill && hitter->type != PLAYER)
1519 skill = hitter->skill;
1520 else if (owner->chosen_skill)
1521 {
1522 skop = owner->chosen_skill;
1523 skill = skop->skill;
1524 }
1525 else if (QUERY_FLAG (owner, FLAG_READY_WEAPON))
1526 skill = owner->current_weapon->skill;
1527 else
1528 LOG (llevError, "kill_object - unable to find skill that killed monster\n");
1529
1530 /* We have the skill we want to credit to - now find the object this goes
1531 * to. Make sure skop is an actual skill, and not a skill tool!
1532 */
1533 if ((!skop || skop->type != SKILL) && skill)
1534 {
1535 int i;
1536
1537 for (i = 0; i < NUM_SKILLS; i++)
1538 if (owner->contr->last_skill_ob[i] && !strcmp (owner->contr->last_skill_ob[i]->skill, skill))
1539 {
1540 skop = owner->contr->last_skill_ob[i];
1541 break;
1542 }
1543 }
1544 } /* Was it a player that hit somethign */
1545 else
1546 skill = 0;
1547
1548 /* Pet (or spell) killed something. */
1549 if (owner != hitter)
1550 sprintf (buf, "%s killed %s with %s%s%s.", &owner->name,
1551 query_name (op), query_name (hitter), battleg ? " (duel)" : "", pk ? " (pk)" : "");
1552 else
1553 sprintf (buf, "%s killed %s%s%s%s.", &hitter->name, &op->name,
1554 (QUERY_FLAG (hitter, FLAG_MONSTER)) || hitter->type == PLAYER ?
1555 " in hand to hand combat" : "", battleg ? " (duel)" : "", pk ? " (pk)" : "");
1556
1557 /* These may have been set in the player code section above */
1558 if (!skop)
1559 skop = hitter->chosen_skill;
1560
1561 if (!skill && skop)
1562 skill = skop->skill;
1563
1564 new_draw_info (NDI_ALL, op->type == PLAYER ? 1 : 10, NULL, buf);
1565
1566 /* If you didn't kill yourself, and your not the wizard */
1567 if (owner != op && !QUERY_FLAG (op, FLAG_WAS_WIZ))
1568 {
1569 int exp;
1570
1571 /* Really don't give much experience for killing other players */
1572 // schmorp: temporarily? reduce the amount of exp gained for pking enourmously
1573 if (op->type == PLAYER)
1574 {
1575 if (battleg)
1576 {
1577 new_draw_info (NDI_UNIQUE, 0, owner, "Your foe has fallen!");
1578 new_draw_info (NDI_UNIQUE, 0, owner, "VICTORY!!!");
1579 }
1580 else
1581 exp = op->stats.exp / 1000;
1582 }
1583 else
1584 exp = calc_skill_exp (owner, op, skop);
1585
1586 /* if op is standing on "battleground" (arena), no way to gain
1587 * exp by killing him
1588 */
1589 if (battleg)
1590 exp = 0;
1591
1592 /* Don't know why this is set this way - doesn't make
1593 * sense to just divide everything by two for no reason.
1594 */
1595
1596 if (!settings.simple_exp)
1597 exp = exp / 2;
1598
1599 if (owner->type != PLAYER || owner->contr->party == NULL)
1600 change_exp (owner, exp, skill, 0);
1601 else
1602 {
1603 int shares = 0, count = 0;
1604 partylist *party = owner->contr->party;
1605
1606 add_kill_to_party (party, query_name (owner), query_name (op), exp);
1607
1608 for_all_players (pl)
1609 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1610 {
1611 count++;
1612 shares += (pl->ob->level + 4);
1613 }
1614
1615 if (count == 1 || shares > exp || !shares)
1616 change_exp (owner, exp, skill, SK_EXP_TOTAL);
1617 else
1618 {
1619 int share = exp / shares, given = 0, nexp;
1620
1621 for_all_players (pl)
1622 if (party && pl->ob->contr->party == party && on_same_map (pl->ob, owner))
1623 {
1624 nexp = (pl->ob->level + 4) * share;
1625 change_exp (pl->ob, nexp, skill, SK_EXP_TOTAL);
1626 given += nexp;
1627 }
1628
1629 exp -= given;
1630 /* give any remainder to the player */
1631 change_exp (owner, exp, skill, SK_EXP_ADD_SKILL);
1632 }
1633 } /* else part of a party */
1634 } /* end if person didn't kill himself */
1635
1636 if (op->type != PLAYER)
1637 {
1638 if (QUERY_FLAG (op, FLAG_FRIENDLY))
1639 {
1640 object *owner1 = op->owner;
1641
1642 if (owner1 && owner1->type == PLAYER)
1643 {
1644 play_sound_player_only (owner1->contr, SOUND_PET_IS_KILLED, 0, 0);
1645 /* Maybe we should include the owner that killed this, maybe not */
1646 new_draw_info_format (NDI_UNIQUE, 0, owner1, "Your pet, the %s, is killed by %s.", &op->name, &hitter->name);
1647 }
1648
1649 remove_friendly_object (op);
1650 }
1651
1652 op->destroy ();
1653 }
1654 else
1655 {
1656 /* Player has been killed! */
1657 if (owner->type == PLAYER)
1658 snprintf (op->contr->killer, sizeof (op->contr->killer), "%s the %s", &owner->name, owner->contr->title);
1659 else
1660 assign (op->contr->killer, hitter->name);
1661 }
1662
1663 /* This was return -1 - that doesn't seem correct - if we return -1, process
1664 * continues in the calling function.
1665 */
1666 return maxdam;
1667}
1668
1669/* Find out if this is friendly fire (PVP and attacker is peaceful) or not
1670 * Returns 0 this is not friendly fire
1671 */
1672int
1673friendly_fire (object *op, object *hitter)
1674{
1675 object *owner;
1676 int friendlyfire;
1677
1678 if (hitter->head)
1679 hitter = hitter->head;
1680
1681 friendlyfire = 0;
1682
1683 if (op->type == PLAYER)
1684 {
1685 if (op_on_battleground (hitter, 0, 0))
1686 return 0;
1687
1688 if (hitter->type == PLAYER && hitter->contr->peaceful == 1)
1689 return 1;
1690
1691 if ((owner = hitter->owner) != NULL)
1692 {
1693 if (owner->type == PLAYER && owner->contr->peaceful == 1)
1694 friendlyfire = 2;
1695 }
1696
1697 if (hitter->type == SPELL || hitter->type == POISONING || hitter->type == DISEASE || hitter->type == RUNE)
1698 friendlyfire = 0;
1699 }
1700 return friendlyfire;
1701}
1702
1703
1704/* This isn't used just for players, but in fact most objects.
1705 * op is the object to be hit, dam is the amount of damage, hitter
1706 * is what is hitting the object, type is the attacktype, and
1707 * full_hit is set if monster area does not matter.
1708 * dam is base damage - protections/vulnerabilities/slaying matches can
1709 * modify it.
1710 */
1711/* Oct 95 - altered the following slightly for MULTIPLE_GODS hack
1712 * which needs new attacktype AT_HOLYWORD to work . b.t. */
1713int
1714hit_player (object *op, int dam, object *hitter, int type, int full_hit)
1715{
1716 int maxdam = 0, ndam = 0, attacktype = 1, magic = (type & AT_MAGIC);
1717 int maxattacktype, attacknum;
1718 int body_attack = op && op->head; /* Did we hit op's head? */
1719 int simple_attack;
1720 int rtn_kill = 0;
1721 int friendlyfire;
1722
1723 if (get_attack_mode (&op, &hitter, &simple_attack))
1724 return 0;
1725
1726 /* very simple: if our target has no_damage 1 set or is wiz, we can't hurt him */
1727 if (QUERY_FLAG (op, FLAG_WIZ) || QUERY_FLAG (op, FLAG_NO_DAMAGE))
1728 return 0;
1729
1730#ifdef PROHIBIT_PLAYERKILL
1731 if (op->type == PLAYER)
1732 {
1733 object *owner = hitter->owner;
1734
1735 if (!owner)
1736 owner = hitter;
1737
1738 if (owner->type == PLAYER
1739 && (!op_on_battleground (op, 0, 0)
1740 && (op->contr->peaceful || owner->contr->peaceful))
1741 && op != owner)
1742 return 0;
1743 }
1744#endif
1745
1746 if (body_attack)
1747 {
1748 /* slow and paralyze must hit the head. But we don't want to just
1749 * return - we still need to process other attacks the spell still
1750 * might have. So just remove the paralyze and slow attacktypes,
1751 * and keep on processing if we have other attacktypes.
1752 * return if only magic or nothing is left - under normal code
1753 * we don't attack with pure magic if there is another attacktype.
1754 * Only do processing if the initial attacktype includes one of those
1755 * attack so we don't cancel out things like magic bullet.
1756 */
1757 if (type & (AT_PARALYZE | AT_SLOW))
1758 {
1759 type &= ~(AT_PARALYZE | AT_SLOW);
1760
1761 if (!type || type == AT_MAGIC)
1762 return 0;
1763 }
1764 }
1765
1766 if (!simple_attack && op->type == DOOR)
1767 {
1768 for (object *tmp = op->inv; tmp; tmp = tmp->below)
1769 if (tmp->type == RUNE || tmp->type == TRAP)
1770 {
1771 spring_trap (tmp, hitter);
1772
1773 if (hitter->destroyed () || op->destroyed () || abort_attack (op, hitter, simple_attack))
1774 return 0;
1775
1776 break;
1777 }
1778 }
1779
1780 if (!QUERY_FLAG (op, FLAG_ALIVE) || op->stats.hp < 0)
1781 {
1782 /* FIXME: If a player is killed by a rune in a door, the
1783 * destroyed() check above doesn't return, and might get here.
1784 */
1785
1786 /* FIXME: This for example happens when a dead door is on a mover and
1787 gets it's speed_left raised on each mover-tick.
1788 Doors are removed in a kinda funny way by giving them speed and speed_left
1789 and waiting for that to run out.
1790 */
1791 LOG (llevDebug, "victim %s (%d) already dead in hit_player()\n", op->debug_desc (), op->stats.hp);
1792 return 0;
1793 }
1794
1795#ifdef ATTACK_DEBUG
1796 LOG (llevDebug, "hit player: attacktype %d, dam %d\n", type, dam);
1797#endif
1798
1799 if (magic)
1800 {
1801 /* basically: dam = dam*(100-op->resist[attacknum])/100;
1802 * in case 0>dam>1, we try to "simulate" a float value-effect */
1803 dam = dam * (100 - op->resist[ATNR_MAGIC]);
1804 if (dam >= 100)
1805 dam /= 100;
1806 else
1807 dam = (dam > rndm (0, 99)) ? 1 : 0;
1808 }
1809
1810 /* AT_CHAOS here is a weapon or monster. Spells are handled by hit_map
1811 * If the attacktype still has chaos, shuffle it, then clear the Chaos bit
1812 */
1813 if (type & AT_CHAOS)
1814 {
1815 shuffle_attack (op, 0); /*0 flag tells it to not change the face */
1816 update_object (op, UP_OBJ_FACE);
1817 type &= ~AT_CHAOS;
1818 }
1819
1820 /* Holyword is really an attacktype modifier (like magic is). If
1821 * holyword is part of an attacktype, then make sure the creature is
1822 * a proper match, otherwise no damage.
1823 */
1824 if (type & AT_HOLYWORD)
1825 {
1826 object *god;
1827
1828 if ((!hitter->slaying ||
1829 (!(op->race && strstr (hitter->slaying, op->race)) &&
1830 !(op->name && strstr (hitter->slaying, op->name)))) &&
1831 (!QUERY_FLAG (op, FLAG_UNDEAD) ||
1832 (hitter->title != NULL
1833 && (god = find_god (determine_god (hitter))) != NULL && god->race != NULL && strstr (god->race, undead_name) != NULL)))
1834 return 0;
1835 }
1836
1837 maxattacktype = type; /* initialise this to something */
1838 for (attacknum = 0; attacknum < NROFATTACKS; attacknum++, attacktype = 1 << attacknum)
1839 {
1840 /* Magic isn't really a true attack type - it gets combined with other
1841 * attack types. As such, skip it over. However, if magic is
1842 * the only attacktype in the group, then still attack with it
1843 */
1844 if ((attacktype == AT_MAGIC) && (type & ~AT_MAGIC))
1845 continue;
1846
1847 /* Go through and hit the player with each attacktype, one by one.
1848 * hit_player_attacktype only figures out the damage, doesn't inflict
1849 * it. It will do the appropriate action for attacktypes with
1850 * effects (slow, paralization, etc.
1851 */
1852 if (type & attacktype)
1853 {
1854 ndam = hit_player_attacktype (op, hitter, dam, attacknum, magic);
1855 /* the >= causes us to prefer messages from special attacks, if
1856 * the damage is equal.
1857 */
1858 if (ndam >= maxdam)
1859 {
1860 maxdam = ndam;
1861 maxattacktype = 1 << attacknum;
1862 }
1863 }
1864 }
1865
1866 /* if this is friendly fire then do a set % of damage only
1867 * Note - put a check in to make sure this attack is actually
1868 * doing damage - otherwise, the +1 in the code below will make
1869 * an attack do damage before when it otherwise didn't
1870 */
1871 friendlyfire = friendly_fire (op, hitter);
1872 if (friendlyfire && maxdam)
1873 {
1874 maxdam = ((dam * settings.set_friendly_fire) / 100);
1875#ifndef COZY_SERVER
1876 maxdam++;
1877#endif
1878
1879#ifdef ATTACK_DEBUG
1880 LOG (llevDebug, "Friendly fire (type:%d setting: %d%) did %d damage dropped to %d\n",
1881 friendlyfire, settings.set_friendly_fire, dam, maxdam);
1882#endif
1883 }
1884
1885 if (!full_hit)
1886 {
1887 archetype *at;
1888 int area;
1889 int remainder;
1890
1891 area = 0;
1892 for (at = op->arch; at != NULL; at = at->more)
1893 area++;
1894 assert (area > 0);
1895
1896 /* basically: maxdam /= area; we try to "simulate" a float
1897 value-effect */
1898 remainder = 100 * (maxdam % area) / area;
1899 maxdam /= area;
1900 if (rndm (100) < remainder)
1901 maxdam++;
1902 }
1903
1904#ifdef ATTACK_DEBUG
1905 LOG (llevDebug, "Attacktype %d did %d damage\n", type, maxdam);
1906#endif
1907
1908 // for now, only do this for active objects, otherwise they
1909 // keep a refcount for a long time and I see no usefulness
1910 // for an non-active objetc to know its enemy.
1911 if (op->active)
1912 if (hitter->owner)
1913 op->enemy = hitter->owner;
1914 else if (QUERY_FLAG (hitter, FLAG_ALIVE))
1915 op->enemy = hitter;
1916
1917 if (QUERY_FLAG (op, FLAG_UNAGGRESSIVE) && op->type != PLAYER)
1918 {
1919 /* The unaggressives look after themselves 8) */
1920 CLEAR_FLAG (op, FLAG_UNAGGRESSIVE);
1921 npc_call_help (op);
1922 }
1923
1924 if (magic && did_make_save (op, op->level, 0))
1925 maxdam = maxdam / 2;
1926
1927 attack_message (maxdam, maxattacktype, op, hitter);
1928
1929 op->stats.hp -= maxdam;
1930
1931 /* Eneq(@csd.uu.se): Check to see if monster runs away. */
1932 if ((op->stats.hp >= 0) &&
1933 (QUERY_FLAG (op, FLAG_MONSTER) || op->type == PLAYER) &&
1934 op->stats.hp < (signed short) (((float) op->run_away / (float) 100) * (float) op->stats.maxhp))
1935 {
1936
1937 if (QUERY_FLAG (op, FLAG_MONSTER))
1938 SET_FLAG (op, FLAG_RUN_AWAY);
1939 else
1940 scare_creature (op, hitter);
1941 }
1942
1943 if (QUERY_FLAG (op, FLAG_TEAR_DOWN))
1944 {
1945 if (maxdam)
1946 tear_down_wall (op);
1947
1948 return maxdam; /* nothing more to do for wall */
1949 }
1950
1951 /* See if the creature has been killed */
1952 rtn_kill = kill_object (op, maxdam, hitter, type);
1953 if (rtn_kill != -1)
1954 return rtn_kill;
1955
1956
1957 /* Used to be ghosthit removal - we now use the ONE_HIT flag. Note
1958 * that before if the player was immune to ghosthit, the monster
1959 * remained - that is no longer the case.
1960 */
1961 if (QUERY_FLAG (hitter, FLAG_ONE_HIT))
1962 hitter->destroy ();
1963
1964 /* Lets handle creatures that are splitting now */
1965 else if (type & AT_PHYSICAL && !QUERY_FLAG (op, FLAG_FREED) && QUERY_FLAG (op, FLAG_SPLITTING))
1966 {
1967 int i;
1968 int friendly = QUERY_FLAG (op, FLAG_FRIENDLY);
1969 int unaggressive = QUERY_FLAG (op, FLAG_UNAGGRESSIVE);
1970 object *owner = op->owner;
1971
1972 if (!op->other_arch)
1973 {
1974 LOG (llevError, "SPLITTING without other_arch error.\n");
1975 return maxdam;
1976 }
1977
1978 op->remove ();
1979
1980 for (i = 0; i < NROFNEWOBJS (op); i++)
1981 { /* This doesn't handle op->more yet */
1982 object *tmp = arch_to_object (op->other_arch);
1983 int j;
1984
1985 tmp->stats.hp = op->stats.hp;
1986
1987 if (friendly)
1988 {
1989 add_friendly_object (tmp);
1990 tmp->attack_movement = PETMOVE;
1991
1992 if (owner)
1993 tmp->set_owner (owner);
1994 }
1995
1996 if (unaggressive)
1997 SET_FLAG (tmp, FLAG_UNAGGRESSIVE);
1998
1999 j = find_first_free_spot (tmp, op->map, op->x, op->y);
2000
2001 if (j == -1) /* No spot to put this monster */
2002 tmp->destroy ();
2003 else
2004 {
2005 tmp->x = op->x + freearr_x[j], tmp->y = op->y + freearr_y[j];
2006 insert_ob_in_map (tmp, op->map, NULL, 0);
2007 }
2008 }
2009
2010 op->destroy ();
2011 }
2012 else if (type & AT_DRAIN && hitter->type == GRIMREAPER && hitter->value++ > 10)
2013 hitter->destroy ();
2014
2015 return maxdam;
2016}
2017
2018
2019void
2020poison_player (object *op, object *hitter, int dam)
2021{
2022 archetype *at = archetype::find ("poisoning");
2023 object *tmp = present_arch_in_ob (at, op);
2024
2025 if (tmp == NULL)
2026 {
2027 if ((tmp = arch_to_object (at)) == NULL)
2028 LOG (llevError, "Failed to clone arch poisoning.\n");
2029 else
2030 {
2031 tmp = insert_ob_in_ob (tmp, op);
2032 /* peterm: give poisoning some teeth. It should
2033 * be able to kill things better than it does:
2034 * damage should be dependent something--I choose to
2035 * do this: if it's a monster, the damage from the
2036 * poisoning goes as the level of the monster/2.
2037 * If anything else, goes as damage.
2038 */
2039
2040 if (QUERY_FLAG (hitter, FLAG_ALIVE))
2041 tmp->stats.dam += hitter->level / 2;
2042 else
2043 tmp->stats.dam = dam;
2044
2045 tmp->set_owner (hitter); /* so we get credit for poisoning kills */
2046 if (hitter->skill && hitter->skill != tmp->skill)
2047 {
2048 tmp->skill = hitter->skill;
2049 }
2050
2051 tmp->stats.food += dam; /* more damage, longer poisoning */
2052
2053 if (op->type == PLAYER)
2054 {
2055 /* player looses stats, maximum is -10 of each */
2056 tmp->stats.Con = MAX (-(dam / 4 + 1), -10);
2057 tmp->stats.Str = MAX (-(dam / 3 + 2), -10);
2058 tmp->stats.Dex = MAX (-(dam / 6 + 1), -10);
2059 tmp->stats.Int = MAX (-dam / 7, -10);
2060 SET_FLAG (tmp, FLAG_APPLIED);
2061 op->update_stats ();
2062 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very ill.");
2063 }
2064 if (hitter->type == PLAYER)
2065 new_draw_info_format (NDI_UNIQUE, 0, hitter, "You poison %s.", &op->name);
2066 else if (hitter->owner != NULL && hitter->owner->type == PLAYER)
2067 new_draw_info_format (NDI_UNIQUE, 0, hitter->owner, "Your %s poisons %s.", &hitter->name, &op->name);
2068 }
2069 tmp->speed_left = 0;
2070 }
2071 else
2072 tmp->stats.food++;
2073}
2074
2075void
2076slow_player (object *op, object *hitter, int dam)
2077{
2078 archetype *at = archetype::find ("slowness");
2079 object *tmp;
2080
2081 if (at == NULL)
2082 {
2083 LOG (llevError, "Can't find slowness archetype.\n");
2084 }
2085 if ((tmp = present_arch_in_ob (at, op)) == NULL)
2086 {
2087 tmp = arch_to_object (at);
2088 tmp = insert_ob_in_ob (tmp, op);
2089 new_draw_info (NDI_UNIQUE, 0, op, "The world suddenly moves very fast!");
2090 }
2091 else
2092 tmp->stats.food++;
2093 SET_FLAG (tmp, FLAG_APPLIED);
2094 tmp->speed_left = 0;
2095 op->update_stats ();
2096}
2097
2098void
2099confuse_player (object *op, object *hitter, int dam)
2100{
2101 object *tmp;
2102 int maxduration;
2103
2104 tmp = present_in_ob_by_name (FORCE, "confusion", op);
2105 if (!tmp)
2106 {
2107 tmp = get_archetype (FORCE_NAME);
2108 tmp = insert_ob_in_ob (tmp, op);
2109 }
2110
2111 /* Duration added per hit and max. duration of confusion both depend
2112 * on the player's resistance
2113 */
2114 tmp->speed = 0.05;
2115 tmp->subtype = FORCE_CONFUSION;
2116 tmp->duration = 8 + MAX (1, 5 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2117 tmp->name = "confusion";
2118 maxduration = MAX (2, 30 * (100 - op->resist[ATNR_CONFUSION]) / 100);
2119 if (tmp->duration > maxduration)
2120 tmp->duration = maxduration;
2121
2122 if (op->type == PLAYER && !QUERY_FLAG (op, FLAG_CONFUSED))
2123 new_draw_info (NDI_UNIQUE, 0, op, "You suddenly feel very confused!");
2124 SET_FLAG (op, FLAG_CONFUSED);
2125}
2126
2127void
2128blind_player (object *op, object *hitter, int dam)
2129{
2130 object *tmp, *owner;
2131
2132 /* Save some work if we know it isn't going to affect the player */
2133 if (op->resist[ATNR_BLIND] == 100)
2134 return;
2135
2136 tmp = present_in_ob (BLINDNESS, op);
2137 if (!tmp)
2138 {
2139 tmp = get_archetype ("blindness");
2140 SET_FLAG (tmp, FLAG_BLIND);
2141 SET_FLAG (tmp, FLAG_APPLIED);
2142 /* use floats so we don't lose too much precision due to rounding errors.
2143 * speed is a float anyways.
2144 */
2145 tmp->speed = tmp->speed * (100.0 - (float) op->resist[ATNR_BLIND]) / 100;
2146
2147 tmp = insert_ob_in_ob (tmp, op);
2148 change_abil (op, tmp); /* Mostly to display any messages */
2149 op->update_stats (); /* This takes care of some other stuff */
2150
2151 if (hitter->owner)
2152 owner = hitter->owner;
2153 else
2154 owner = hitter;
2155
2156 new_draw_info_format (NDI_UNIQUE, 0, owner, "Your attack blinds %s!", query_name (op));
2157 }
2158 tmp->stats.food += dam;
2159 if (tmp->stats.food > 10)
2160 tmp->stats.food = 10;
2161}
2162
2163void
2164paralyze_player (object *op, object *hitter, int dam)
2165{
2166 float effect, max;
2167
2168 /* object *tmp; */
2169
2170 /* This is strange stuff... someone knows for what this is
2171 * written? Well, i think this can and should be removed
2172 */
2173
2174 /*
2175 if((tmp=present(PARAIMAGE,op->map,op->x,op->y))==NULL) {
2176 tmp=clone_arch(PARAIMAGE);
2177 tmp->x=op->x,tmp->y=op->y;
2178 insert_ob_in_map(tmp,op->map,tmp,INS_NO_MERGE | INS_NO_WALK_ON);
2179 }
2180 */
2181
2182 /* Do this as a float - otherwise, rounding might very well reduce this to 0 */
2183 effect = (float) dam *3.0 * (100.0 - op->resist[ATNR_PARALYZE]) / 100;
2184
2185 if (effect == 0)
2186 return;
2187
2188 op->speed_left -= FABS (op->speed) * effect;
2189 /* tmp->stats.food+=(signed short) effect/op->speed; */
2190
2191 /* max number of ticks to be affected for. */
2192 max = (100 - op->resist[ATNR_PARALYZE]) / 2;
2193 if (op->speed_left < -(FABS (op->speed) * max))
2194 op->speed_left = (float) -(FABS (op->speed) * max);
2195
2196/* tmp->stats.food = (signed short) (max/FABS(op->speed)); */
2197}
2198
2199/* Attempts to kill 'op'. hitter is the attack object, dam is
2200 * the computed damaged.
2201 */
2202void
2203deathstrike_player (object *op, object *hitter, int *dam)
2204{
2205 /* The intention of a death attack is to kill outright things
2206 ** that are a lot weaker than the attacker, have a chance of killing
2207 ** things somewhat weaker than the caster, and no chance of
2208 ** killing something equal or stronger than the attacker.
2209 ** Also, if a deathstrike attack has a slaying, any monster
2210 ** whose name or race matches a comma-delimited list in the slaying
2211 ** field of the deathstriking object */
2212
2213 int atk_lev, def_lev, kill_lev;
2214
2215 if (hitter->slaying)
2216 if (!((QUERY_FLAG (op, FLAG_UNDEAD) && strstr (hitter->slaying, undead_name)) || (op->race && strstr (hitter->slaying, op->race))))
2217 return;
2218
2219 def_lev = op->level;
2220 if (def_lev < 1)
2221 {
2222 LOG (llevError, "BUG: arch %s, name %s with level < 1\n", &op->arch->name, &op->name);
2223 def_lev = 1;
2224 }
2225
2226 atk_lev = (hitter->chosen_skill ? hitter->chosen_skill->level : hitter->level) / 2;
2227 /* LOG(llevDebug,"Deathstrike - attack level %d, defender level %d\n",
2228 atk_lev, def_lev); */
2229
2230 if (atk_lev >= def_lev)
2231 {
2232 kill_lev = random_roll (0, atk_lev - 1, hitter, PREFER_HIGH);
2233
2234 /* Note that the below effectively means the ratio of the atk vs
2235 * defener level is important - if level 52 character has very little
2236 * chance of killing a level 50 monster. This should probably be
2237 * redone.
2238 */
2239 if (kill_lev >= def_lev)
2240 {
2241 *dam = op->stats.hp + 10; /* take all hp. they can still save for 1/2 */
2242 /* I think this doesn't really do much. Because of
2243 * integer rounding, this only makes any difference if the
2244 * attack level is double the defender level.
2245 */
2246 *dam *= kill_lev / def_lev;
2247 }
2248 }
2249 else
2250 *dam = 0; /* no harm done */
2251}
2252
2253/* thrown_item_effect() - handles any special effects of thrown
2254 * items (like attacking living creatures--a potion thrown at a
2255 * monster).
2256 */
2257static void
2258thrown_item_effect (object *hitter, object *victim)
2259{
2260 if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2261 {
2262 /* May not need a switch for just 2 types, but this makes it
2263 * easier for expansion.
2264 */
2265 switch (hitter->type)
2266 {
2267 case POTION:
2268 /* should player get a save throw instead of checking magic protection? */
2269 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_MAGIC] < 60))
2270 (void) apply_potion (victim, hitter);
2271 break;
2272
2273 case POISON: /* poison drinks */
2274 /* As with potions, should monster get a save? */
2275 if (QUERY_FLAG (victim, FLAG_ALIVE) && !QUERY_FLAG (victim, FLAG_UNDEAD) && (victim->resist[ATNR_POISON] < 60))
2276 apply_poison (victim, hitter);
2277 break;
2278
2279 /* Removed case statements that did nothing.
2280 * food may be poisonous, but monster must be willing to eat it,
2281 * so we don't handle it here.
2282 * Containers should perhaps break open, but that code was disabled.
2283 */
2284 }
2285 }
2286}
2287
2288/* adj_attackroll() - adjustments to attacks by various conditions */
2289
2290int
2291adj_attackroll (object *hitter, object *target)
2292{
2293 object *attacker = hitter;
2294 int adjust = 0;
2295
2296 /* safety */
2297 if (!target || !hitter || !hitter->map || !target->map || !on_same_map (hitter, target))
2298 {
2299 LOG (llevError, "BUG: adj_attackroll(): hitter and target not on same " "map\n");
2300 return 0;
2301 }
2302
2303 /* aimed missiles use the owning object's sight */
2304 if (is_aimed_missile (hitter))
2305 {
2306 if ((attacker = hitter->owner) == NULL)
2307 attacker = hitter;
2308 /* A player who saves but hasn't quit still could have objects
2309 * owned by him - need to handle that case to avoid crashes.
2310 */
2311 if (QUERY_FLAG (attacker, FLAG_REMOVED))
2312 attacker = hitter;
2313 }
2314 else if (!QUERY_FLAG (hitter, FLAG_ALIVE))
2315 return 0;
2316
2317 /* determine the condtions under which we make an attack.
2318 * Add more cases, as the need occurs. */
2319
2320 if (!can_see_enemy (attacker, target))
2321 {
2322 /* target is unseen */
2323 if (target->invisible || QUERY_FLAG (attacker, FLAG_BLIND))
2324 adjust -= 10;
2325 /* dark map penalty for the hitter (lacks infravision if we got here). */
2326 else if (target->map && target->map->darkness > 0 && !stand_in_light (target))
2327 adjust -= target->map->darkness;
2328 }
2329
2330 if (QUERY_FLAG (attacker, FLAG_SCARED))
2331 adjust -= 3;
2332
2333 if (QUERY_FLAG (target, FLAG_UNAGGRESSIVE))
2334 adjust += 1;
2335
2336 if (QUERY_FLAG (target, FLAG_SCARED))
2337 adjust += 1;
2338
2339 if (QUERY_FLAG (attacker, FLAG_CONFUSED))
2340 adjust -= 3;
2341
2342 /* if we attack at a different 'altitude' its harder */
2343 if ((attacker->move_type & target->move_type) == 0)
2344 adjust -= 2;
2345
2346#if 0
2347 /* slower attacks are less likely to succeed. We should use a
2348 * comparison between attacker/target speeds BUT, players have
2349 * a generally faster speed, so this will wind up being a HUGE
2350 * disadantage for the monsters! Too bad, because missiles which
2351 * fly fast should have a better chance of hitting a slower target.
2352 */
2353 if (hitter->speed < target->speed)
2354 adjust += ((float) hitter->speed - target->speed);
2355#endif
2356
2357#if 0
2358 LOG (llevDebug, "adj_attackroll() returns %d (%d)\n", adjust, attacker->count);
2359#endif
2360
2361 return adjust;
2362}
2363
2364/* determine if the object is an 'aimed' missile */
2365int
2366is_aimed_missile (object *op)
2367{
2368
2369 /* I broke what used to be one big if into a few nested
2370 * ones so that figuring out the logic is at least possible.
2371 */
2372 if (op && (op->move_type & MOVE_FLYING))
2373 {
2374 if (op->type == ARROW || op->type == THROWN_OBJ)
2375 return 1;
2376 else if (op->type == SPELL_EFFECT && (op->subtype == SP_BULLET || op->subtype == SP_EXPLOSION))
2377 return 1;
2378 }
2379
2380 return 0;
2381}

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