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1 | /* |
2 | * Copyright (c) 1988 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * This code is derived from software contributed to Berkeley by | |
6 | * Timothy C. Stoehr. | |
7 | * | |
8 | * Redistribution and use in source and binary forms are permitted | |
9 | * provided that the above copyright notice and this paragraph are | |
10 | * duplicated in all such forms and that any documentation, | |
11 | * advertising materials, and other materials related to such | |
12 | * distribution and use acknowledge that the software was developed | |
13 | * by the University of California, Berkeley. The name of the | |
14 | * University may not be used to endorse or promote products derived | |
15 | * from this software without specific prior written permission. | |
16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
19 | */ | |
20 | ||
21 | #ifndef lint | |
22 | static char sccsid[] = "@(#)hit.c 5.2 (Berkeley) %G%"; | |
23 | #endif /* not lint */ | |
24 | ||
b3afadef KB |
25 | /* |
26 | * hit.c | |
27 | * | |
28 | * This source herein may be modified and/or distributed by anybody who | |
29 | * so desires, with the following restrictions: | |
30 | * 1.) No portion of this notice shall be removed. | |
31 | * 2.) Credit shall not be taken for the creation of this source. | |
32 | * 3.) This code is not to be traded, sold, or used for personal | |
33 | * gain or profit. | |
34 | * | |
35 | */ | |
36 | ||
b3afadef KB |
37 | #include "rogue.h" |
38 | ||
39 | object *fight_monster = 0; | |
40 | char hit_message[80] = ""; | |
41 | ||
42 | extern short halluc, blind, cur_level; | |
43 | extern short add_strength, ring_exp, r_rings; | |
44 | extern boolean being_held, interrupted, wizard, con_mon; | |
45 | ||
46 | mon_hit(monster) | |
47 | register object *monster; | |
48 | { | |
49 | short damage, hit_chance; | |
50 | char *mn; | |
51 | float minus; | |
52 | ||
53 | if (fight_monster && (monster != fight_monster)) { | |
54 | fight_monster = 0; | |
55 | } | |
56 | monster->trow = NO_ROOM; | |
57 | if (cur_level >= (AMULET_LEVEL * 2)) { | |
58 | hit_chance = 100; | |
59 | } else { | |
60 | hit_chance = monster->m_hit_chance; | |
61 | hit_chance -= (((2 * rogue.exp) + (2 * ring_exp)) - r_rings); | |
62 | } | |
63 | if (wizard) { | |
64 | hit_chance /= 2; | |
65 | } | |
66 | if (!fight_monster) { | |
67 | interrupted = 1; | |
68 | } | |
69 | mn = mon_name(monster); | |
70 | ||
71 | if (!rand_percent(hit_chance)) { | |
72 | if (!fight_monster) { | |
73 | sprintf(hit_message + strlen(hit_message), "the %s misses", mn); | |
74 | message(hit_message, 1); | |
75 | hit_message[0] = 0; | |
76 | } | |
77 | return; | |
78 | } | |
79 | if (!fight_monster) { | |
80 | sprintf(hit_message + strlen(hit_message), "the %s hit", mn); | |
81 | message(hit_message, 1); | |
82 | hit_message[0] = 0; | |
83 | } | |
84 | if (!(monster->m_flags & STATIONARY)) { | |
85 | damage = get_damage(monster->m_damage, 1); | |
86 | if (cur_level >= (AMULET_LEVEL * 2)) { | |
87 | minus = (float) ((AMULET_LEVEL * 2) - cur_level); | |
88 | } else { | |
89 | minus = (float) get_armor_class(rogue.armor) * 3.00; | |
90 | minus = minus/100.00 * (float) damage; | |
91 | } | |
92 | damage -= (short) minus; | |
93 | } else { | |
94 | damage = monster->stationary_damage++; | |
95 | } | |
96 | if (wizard) { | |
97 | damage /= 3; | |
98 | } | |
99 | if (damage > 0) { | |
100 | rogue_damage(damage, monster, 0); | |
101 | } | |
102 | if (monster->m_flags & SPECIAL_HIT) { | |
103 | special_hit(monster); | |
104 | } | |
105 | } | |
106 | ||
107 | rogue_hit(monster, force_hit) | |
108 | register object *monster; | |
109 | boolean force_hit; | |
110 | { | |
111 | short damage, hit_chance; | |
112 | ||
113 | if (monster) { | |
114 | if (check_imitator(monster)) { | |
115 | return; | |
116 | } | |
117 | hit_chance = force_hit ? 100 : get_hit_chance(rogue.weapon); | |
118 | ||
119 | if (wizard) { | |
120 | hit_chance *= 2; | |
121 | } | |
122 | if (!rand_percent(hit_chance)) { | |
123 | if (!fight_monster) { | |
124 | (void) strcpy(hit_message, "you miss "); | |
125 | } | |
126 | goto RET; | |
127 | } | |
128 | damage = get_weapon_damage(rogue.weapon); | |
129 | if (wizard) { | |
130 | damage *= 3; | |
131 | } | |
132 | if (con_mon) { | |
133 | s_con_mon(monster); | |
134 | } | |
135 | if (mon_damage(monster, damage)) { /* still alive? */ | |
136 | if (!fight_monster) { | |
137 | (void) strcpy(hit_message, "you hit "); | |
138 | } | |
139 | } | |
140 | RET: check_gold_seeker(monster); | |
141 | wake_up(monster); | |
142 | } | |
143 | } | |
144 | ||
145 | rogue_damage(d, monster, other) | |
146 | short d; | |
147 | object *monster; | |
148 | short other; | |
149 | { | |
150 | if (d >= rogue.hp_current) { | |
151 | rogue.hp_current = 0; | |
152 | print_stats(STAT_HP); | |
153 | killed_by(monster, other); | |
154 | } | |
155 | if (d > 0) { | |
156 | rogue.hp_current -= d; | |
157 | print_stats(STAT_HP); | |
158 | } | |
159 | } | |
160 | ||
161 | get_damage(ds, r) | |
162 | char *ds; | |
163 | boolean r; | |
164 | { | |
165 | register i = 0, j, n, d, total = 0; | |
166 | ||
167 | while (ds[i]) { | |
168 | n = get_number(ds+i); | |
169 | while (ds[i++] != 'd') ; | |
170 | d = get_number(ds+i); | |
171 | while ((ds[i] != '/') && ds[i]) i++; | |
172 | ||
173 | for (j = 0; j < n; j++) { | |
174 | if (r) { | |
175 | total += get_rand(1, d); | |
176 | } else { | |
177 | total += d; | |
178 | } | |
179 | } | |
180 | if (ds[i] == '/') { | |
181 | i++; | |
182 | } | |
183 | } | |
184 | return(total); | |
185 | } | |
186 | ||
187 | get_w_damage(obj) | |
188 | object *obj; | |
189 | { | |
190 | char new_damage[12]; | |
191 | register to_hit, damage; | |
192 | register i = 0; | |
193 | ||
194 | if ((!obj) || (obj->what_is != WEAPON)) { | |
195 | return(-1); | |
196 | } | |
197 | to_hit = get_number(obj->damage) + obj->hit_enchant; | |
198 | while (obj->damage[i++] != 'd') ; | |
199 | damage = get_number(obj->damage + i) + obj->d_enchant; | |
200 | ||
201 | sprintf(new_damage, "%dd%d", to_hit, damage); | |
202 | ||
203 | return(get_damage(new_damage, 1)); | |
204 | } | |
205 | ||
206 | get_number(s) | |
207 | register char *s; | |
208 | { | |
209 | register i = 0; | |
210 | register total = 0; | |
211 | ||
212 | while ((s[i] >= '0') && (s[i] <= '9')) { | |
213 | total = (10 * total) + (s[i] - '0'); | |
214 | i++; | |
215 | } | |
216 | return(total); | |
217 | } | |
218 | ||
219 | long | |
220 | lget_number(s) | |
221 | char *s; | |
222 | { | |
223 | short i = 0; | |
224 | long total = 0; | |
225 | ||
226 | while ((s[i] >= '0') && (s[i] <= '9')) { | |
227 | total = (10 * total) + (s[i] - '0'); | |
228 | i++; | |
229 | } | |
230 | return(total); | |
231 | } | |
232 | ||
233 | to_hit(obj) | |
234 | object *obj; | |
235 | { | |
236 | if (!obj) { | |
237 | return(1); | |
238 | } | |
239 | return(get_number(obj->damage) + obj->hit_enchant); | |
240 | } | |
241 | ||
242 | damage_for_strength() | |
243 | { | |
244 | short strength; | |
245 | ||
246 | strength = rogue.str_current + add_strength; | |
247 | ||
248 | if (strength <= 6) { | |
249 | return(strength-5); | |
250 | } | |
251 | if (strength <= 14) { | |
252 | return(1); | |
253 | } | |
254 | if (strength <= 17) { | |
255 | return(3); | |
256 | } | |
257 | if (strength <= 18) { | |
258 | return(4); | |
259 | } | |
260 | if (strength <= 20) { | |
261 | return(5); | |
262 | } | |
263 | if (strength <= 21) { | |
264 | return(6); | |
265 | } | |
266 | if (strength <= 30) { | |
267 | return(7); | |
268 | } | |
269 | return(8); | |
270 | } | |
271 | ||
272 | mon_damage(monster, damage) | |
273 | object *monster; | |
274 | short damage; | |
275 | { | |
276 | char *mn; | |
277 | short row, col; | |
278 | ||
279 | monster->hp_to_kill -= damage; | |
280 | ||
281 | if (monster->hp_to_kill <= 0) { | |
282 | row = monster->row; | |
283 | col = monster->col; | |
284 | dungeon[row][col] &= ~MONSTER; | |
285 | mvaddch(row, col, (int) get_dungeon_char(row, col)); | |
286 | ||
287 | fight_monster = 0; | |
288 | cough_up(monster); | |
289 | mn = mon_name(monster); | |
290 | sprintf(hit_message+strlen(hit_message), "defeated the %s", mn); | |
291 | message(hit_message, 1); | |
292 | hit_message[0] = 0; | |
293 | add_exp(monster->kill_exp, 1); | |
294 | take_from_pack(monster, &level_monsters); | |
295 | ||
296 | if (monster->m_flags & HOLDS) { | |
297 | being_held = 0; | |
298 | } | |
299 | free_object(monster); | |
300 | return(0); | |
301 | } | |
302 | return(1); | |
303 | } | |
304 | ||
305 | fight(to_the_death) | |
306 | boolean to_the_death; | |
307 | { | |
308 | short ch, c, d; | |
309 | short row, col; | |
310 | boolean first_miss = 1; | |
311 | short possible_damage; | |
312 | object *monster; | |
313 | ||
314 | while (!is_direction(ch = rgetchar(), &d)) { | |
315 | sound_bell(); | |
316 | if (first_miss) { | |
317 | message("direction?", 0); | |
318 | first_miss = 0; | |
319 | } | |
320 | } | |
321 | check_message(); | |
322 | if (ch == CANCEL) { | |
323 | return; | |
324 | } | |
325 | row = rogue.row; col = rogue.col; | |
326 | get_dir_rc(d, &row, &col, 0); | |
327 | ||
328 | c = mvinch(row, col); | |
329 | if (((c < 'A') || (c > 'Z')) || | |
330 | (!can_move(rogue.row, rogue.col, row, col))) { | |
331 | message("I see no monster there", 0); | |
332 | return; | |
333 | } | |
334 | if (!(fight_monster = object_at(&level_monsters, row, col))) { | |
335 | return; | |
336 | } | |
337 | if (!(fight_monster->m_flags & STATIONARY)) { | |
338 | possible_damage = ((get_damage(fight_monster->m_damage, 0) * 2) / 3); | |
339 | } else { | |
340 | possible_damage = fight_monster->stationary_damage - 1; | |
341 | } | |
342 | while (fight_monster) { | |
343 | (void) one_move_rogue(ch, 0); | |
344 | if (((!to_the_death) && (rogue.hp_current <= possible_damage)) || | |
345 | interrupted || (!(dungeon[row][col] & MONSTER))) { | |
346 | fight_monster = 0; | |
347 | } else { | |
348 | monster = object_at(&level_monsters, row, col); | |
349 | if (monster != fight_monster) { | |
350 | fight_monster = 0; | |
351 | } | |
352 | } | |
353 | } | |
354 | } | |
355 | ||
356 | get_dir_rc(dir, row, col, allow_off_screen) | |
357 | short dir; | |
358 | short *row, *col; | |
359 | short allow_off_screen; | |
360 | { | |
361 | switch(dir) { | |
362 | case LEFT: | |
363 | if (allow_off_screen || (*col > 0)) { | |
364 | (*col)--; | |
365 | } | |
366 | break; | |
367 | case DOWN: | |
368 | if (allow_off_screen || (*row < (DROWS-2))) { | |
369 | (*row)++; | |
370 | } | |
371 | break; | |
372 | case UPWARD: | |
373 | if (allow_off_screen || (*row > MIN_ROW)) { | |
374 | (*row)--; | |
375 | } | |
376 | break; | |
377 | case RIGHT: | |
378 | if (allow_off_screen || (*col < (DCOLS-1))) { | |
379 | (*col)++; | |
380 | } | |
381 | break; | |
382 | case UPLEFT: | |
383 | if (allow_off_screen || ((*row > MIN_ROW) && (*col > 0))) { | |
384 | (*row)--; | |
385 | (*col)--; | |
386 | } | |
387 | break; | |
388 | case UPRIGHT: | |
389 | if (allow_off_screen || ((*row > MIN_ROW) && (*col < (DCOLS-1)))) { | |
390 | (*row)--; | |
391 | (*col)++; | |
392 | } | |
393 | break; | |
394 | case DOWNRIGHT: | |
395 | if (allow_off_screen || ((*row < (DROWS-2)) && (*col < (DCOLS-1)))) { | |
396 | (*row)++; | |
397 | (*col)++; | |
398 | } | |
399 | break; | |
400 | case DOWNLEFT: | |
401 | if (allow_off_screen || ((*row < (DROWS-2)) && (*col > 0))) { | |
402 | (*row)++; | |
403 | (*col)--; | |
404 | } | |
405 | break; | |
406 | } | |
407 | } | |
408 | ||
409 | get_hit_chance(weapon) | |
410 | object *weapon; | |
411 | { | |
412 | short hit_chance; | |
413 | ||
414 | hit_chance = 40; | |
415 | hit_chance += 3 * to_hit(weapon); | |
416 | hit_chance += (((2 * rogue.exp) + (2 * ring_exp)) - r_rings); | |
417 | return(hit_chance); | |
418 | } | |
419 | ||
420 | get_weapon_damage(weapon) | |
421 | object *weapon; | |
422 | { | |
423 | short damage; | |
424 | ||
425 | damage = get_w_damage(weapon); | |
426 | damage += damage_for_strength(); | |
427 | damage += ((((rogue.exp + ring_exp) - r_rings) + 1) / 2); | |
428 | return(damage); | |
429 | } | |
430 | ||
431 | s_con_mon(monster) | |
432 | object *monster; | |
433 | { | |
434 | if (con_mon) { | |
435 | monster->m_flags |= CONFUSED; | |
436 | monster->moves_confused += get_rand(12, 22); | |
437 | message("the monster appears confused", 0); | |
438 | con_mon = 0; | |
439 | } | |
440 | } |