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15637ed4 RG |
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, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in the | |
15 | * documentation and/or other materials provided with the distribution. | |
16 | * 3. All advertising materials mentioning features or use of this software | |
17 | * must display the following acknowledgement: | |
18 | * This product includes software developed by the University of | |
19 | * California, Berkeley and its contributors. | |
20 | * 4. Neither the name of the University nor the names of its contributors | |
21 | * may be used to endorse or promote products derived from this software | |
22 | * without specific prior written permission. | |
23 | * | |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
34 | * SUCH DAMAGE. | |
35 | */ | |
36 | ||
37 | #ifndef lint | |
38 | static char sccsid[] = "@(#)hit.c 5.3 (Berkeley) 6/1/90"; | |
39 | #endif /* not lint */ | |
40 | ||
41 | /* | |
42 | * hit.c | |
43 | * | |
44 | * This source herein may be modified and/or distributed by anybody who | |
45 | * so desires, with the following restrictions: | |
46 | * 1.) No portion of this notice shall be removed. | |
47 | * 2.) Credit shall not be taken for the creation of this source. | |
48 | * 3.) This code is not to be traded, sold, or used for personal | |
49 | * gain or profit. | |
50 | * | |
51 | */ | |
52 | ||
53 | #include "rogue.h" | |
54 | ||
55 | object *fight_monster = 0; | |
56 | char hit_message[80] = ""; | |
57 | ||
58 | extern short halluc, blind, cur_level; | |
59 | extern short add_strength, ring_exp, r_rings; | |
60 | extern boolean being_held, interrupted, wizard, con_mon; | |
61 | ||
62 | mon_hit(monster) | |
63 | register object *monster; | |
64 | { | |
65 | short damage, hit_chance; | |
66 | char *mn; | |
67 | float minus; | |
68 | ||
69 | if (fight_monster && (monster != fight_monster)) { | |
70 | fight_monster = 0; | |
71 | } | |
72 | monster->trow = NO_ROOM; | |
73 | if (cur_level >= (AMULET_LEVEL * 2)) { | |
74 | hit_chance = 100; | |
75 | } else { | |
76 | hit_chance = monster->m_hit_chance; | |
77 | hit_chance -= (((2 * rogue.exp) + (2 * ring_exp)) - r_rings); | |
78 | } | |
79 | if (wizard) { | |
80 | hit_chance /= 2; | |
81 | } | |
82 | if (!fight_monster) { | |
83 | interrupted = 1; | |
84 | } | |
85 | mn = mon_name(monster); | |
86 | ||
87 | if (!rand_percent(hit_chance)) { | |
88 | if (!fight_monster) { | |
89 | sprintf(hit_message + strlen(hit_message), "the %s misses", mn); | |
90 | message(hit_message, 1); | |
91 | hit_message[0] = 0; | |
92 | } | |
93 | return; | |
94 | } | |
95 | if (!fight_monster) { | |
96 | sprintf(hit_message + strlen(hit_message), "the %s hit", mn); | |
97 | message(hit_message, 1); | |
98 | hit_message[0] = 0; | |
99 | } | |
100 | if (!(monster->m_flags & STATIONARY)) { | |
101 | damage = get_damage(monster->m_damage, 1); | |
102 | if (cur_level >= (AMULET_LEVEL * 2)) { | |
103 | minus = (float) ((AMULET_LEVEL * 2) - cur_level); | |
104 | } else { | |
105 | minus = (float) get_armor_class(rogue.armor) * 3.00; | |
106 | minus = minus/100.00 * (float) damage; | |
107 | } | |
108 | damage -= (short) minus; | |
109 | } else { | |
110 | damage = monster->stationary_damage++; | |
111 | } | |
112 | if (wizard) { | |
113 | damage /= 3; | |
114 | } | |
115 | if (damage > 0) { | |
116 | rogue_damage(damage, monster, 0); | |
117 | } | |
118 | if (monster->m_flags & SPECIAL_HIT) { | |
119 | special_hit(monster); | |
120 | } | |
121 | } | |
122 | ||
123 | rogue_hit(monster, force_hit) | |
124 | register object *monster; | |
125 | boolean force_hit; | |
126 | { | |
127 | short damage, hit_chance; | |
128 | ||
129 | if (monster) { | |
130 | if (check_imitator(monster)) { | |
131 | return; | |
132 | } | |
133 | hit_chance = force_hit ? 100 : get_hit_chance(rogue.weapon); | |
134 | ||
135 | if (wizard) { | |
136 | hit_chance *= 2; | |
137 | } | |
138 | if (!rand_percent(hit_chance)) { | |
139 | if (!fight_monster) { | |
140 | (void) strcpy(hit_message, "you miss "); | |
141 | } | |
142 | goto RET; | |
143 | } | |
144 | damage = get_weapon_damage(rogue.weapon); | |
145 | if (wizard) { | |
146 | damage *= 3; | |
147 | } | |
148 | if (con_mon) { | |
149 | s_con_mon(monster); | |
150 | } | |
151 | if (mon_damage(monster, damage)) { /* still alive? */ | |
152 | if (!fight_monster) { | |
153 | (void) strcpy(hit_message, "you hit "); | |
154 | } | |
155 | } | |
156 | RET: check_gold_seeker(monster); | |
157 | wake_up(monster); | |
158 | } | |
159 | } | |
160 | ||
161 | rogue_damage(d, monster, other) | |
162 | short d; | |
163 | object *monster; | |
164 | short other; | |
165 | { | |
166 | if (d >= rogue.hp_current) { | |
167 | rogue.hp_current = 0; | |
168 | print_stats(STAT_HP); | |
169 | killed_by(monster, other); | |
170 | } | |
171 | if (d > 0) { | |
172 | rogue.hp_current -= d; | |
173 | print_stats(STAT_HP); | |
174 | } | |
175 | } | |
176 | ||
177 | get_damage(ds, r) | |
178 | char *ds; | |
179 | boolean r; | |
180 | { | |
181 | register i = 0, j, n, d, total = 0; | |
182 | ||
183 | while (ds[i]) { | |
184 | n = get_number(ds+i); | |
185 | while (ds[i++] != 'd') ; | |
186 | d = get_number(ds+i); | |
187 | while ((ds[i] != '/') && ds[i]) i++; | |
188 | ||
189 | for (j = 0; j < n; j++) { | |
190 | if (r) { | |
191 | total += get_rand(1, d); | |
192 | } else { | |
193 | total += d; | |
194 | } | |
195 | } | |
196 | if (ds[i] == '/') { | |
197 | i++; | |
198 | } | |
199 | } | |
200 | return(total); | |
201 | } | |
202 | ||
203 | get_w_damage(obj) | |
204 | object *obj; | |
205 | { | |
206 | char new_damage[12]; | |
207 | register to_hit, damage; | |
208 | register i = 0; | |
209 | ||
210 | if ((!obj) || (obj->what_is != WEAPON)) { | |
211 | return(-1); | |
212 | } | |
213 | to_hit = get_number(obj->damage) + obj->hit_enchant; | |
214 | while (obj->damage[i++] != 'd') ; | |
215 | damage = get_number(obj->damage + i) + obj->d_enchant; | |
216 | ||
217 | sprintf(new_damage, "%dd%d", to_hit, damage); | |
218 | ||
219 | return(get_damage(new_damage, 1)); | |
220 | } | |
221 | ||
222 | get_number(s) | |
223 | register char *s; | |
224 | { | |
225 | register i = 0; | |
226 | register total = 0; | |
227 | ||
228 | while ((s[i] >= '0') && (s[i] <= '9')) { | |
229 | total = (10 * total) + (s[i] - '0'); | |
230 | i++; | |
231 | } | |
232 | return(total); | |
233 | } | |
234 | ||
235 | long | |
236 | lget_number(s) | |
237 | char *s; | |
238 | { | |
239 | short i = 0; | |
240 | long total = 0; | |
241 | ||
242 | while ((s[i] >= '0') && (s[i] <= '9')) { | |
243 | total = (10 * total) + (s[i] - '0'); | |
244 | i++; | |
245 | } | |
246 | return(total); | |
247 | } | |
248 | ||
249 | to_hit(obj) | |
250 | object *obj; | |
251 | { | |
252 | if (!obj) { | |
253 | return(1); | |
254 | } | |
255 | return(get_number(obj->damage) + obj->hit_enchant); | |
256 | } | |
257 | ||
258 | damage_for_strength() | |
259 | { | |
260 | short strength; | |
261 | ||
262 | strength = rogue.str_current + add_strength; | |
263 | ||
264 | if (strength <= 6) { | |
265 | return(strength-5); | |
266 | } | |
267 | if (strength <= 14) { | |
268 | return(1); | |
269 | } | |
270 | if (strength <= 17) { | |
271 | return(3); | |
272 | } | |
273 | if (strength <= 18) { | |
274 | return(4); | |
275 | } | |
276 | if (strength <= 20) { | |
277 | return(5); | |
278 | } | |
279 | if (strength <= 21) { | |
280 | return(6); | |
281 | } | |
282 | if (strength <= 30) { | |
283 | return(7); | |
284 | } | |
285 | return(8); | |
286 | } | |
287 | ||
288 | mon_damage(monster, damage) | |
289 | object *monster; | |
290 | short damage; | |
291 | { | |
292 | char *mn; | |
293 | short row, col; | |
294 | ||
295 | monster->hp_to_kill -= damage; | |
296 | ||
297 | if (monster->hp_to_kill <= 0) { | |
298 | row = monster->row; | |
299 | col = monster->col; | |
300 | dungeon[row][col] &= ~MONSTER; | |
301 | mvaddch(row, col, (int) get_dungeon_char(row, col)); | |
302 | ||
303 | fight_monster = 0; | |
304 | cough_up(monster); | |
305 | mn = mon_name(monster); | |
306 | sprintf(hit_message+strlen(hit_message), "defeated the %s", mn); | |
307 | message(hit_message, 1); | |
308 | hit_message[0] = 0; | |
309 | add_exp(monster->kill_exp, 1); | |
310 | take_from_pack(monster, &level_monsters); | |
311 | ||
312 | if (monster->m_flags & HOLDS) { | |
313 | being_held = 0; | |
314 | } | |
315 | free_object(monster); | |
316 | return(0); | |
317 | } | |
318 | return(1); | |
319 | } | |
320 | ||
321 | fight(to_the_death) | |
322 | boolean to_the_death; | |
323 | { | |
324 | short ch, c, d; | |
325 | short row, col; | |
326 | boolean first_miss = 1; | |
327 | short possible_damage; | |
328 | object *monster; | |
329 | ||
330 | while (!is_direction(ch = rgetchar(), &d)) { | |
331 | sound_bell(); | |
332 | if (first_miss) { | |
333 | message("direction?", 0); | |
334 | first_miss = 0; | |
335 | } | |
336 | } | |
337 | check_message(); | |
338 | if (ch == CANCEL) { | |
339 | return; | |
340 | } | |
341 | row = rogue.row; col = rogue.col; | |
342 | get_dir_rc(d, &row, &col, 0); | |
343 | ||
344 | c = mvinch(row, col); | |
345 | if (((c < 'A') || (c > 'Z')) || | |
346 | (!can_move(rogue.row, rogue.col, row, col))) { | |
347 | message("I see no monster there", 0); | |
348 | return; | |
349 | } | |
350 | if (!(fight_monster = object_at(&level_monsters, row, col))) { | |
351 | return; | |
352 | } | |
353 | if (!(fight_monster->m_flags & STATIONARY)) { | |
354 | possible_damage = ((get_damage(fight_monster->m_damage, 0) * 2) / 3); | |
355 | } else { | |
356 | possible_damage = fight_monster->stationary_damage - 1; | |
357 | } | |
358 | while (fight_monster) { | |
359 | (void) one_move_rogue(ch, 0); | |
360 | if (((!to_the_death) && (rogue.hp_current <= possible_damage)) || | |
361 | interrupted || (!(dungeon[row][col] & MONSTER))) { | |
362 | fight_monster = 0; | |
363 | } else { | |
364 | monster = object_at(&level_monsters, row, col); | |
365 | if (monster != fight_monster) { | |
366 | fight_monster = 0; | |
367 | } | |
368 | } | |
369 | } | |
370 | } | |
371 | ||
372 | get_dir_rc(dir, row, col, allow_off_screen) | |
373 | short dir; | |
374 | short *row, *col; | |
375 | short allow_off_screen; | |
376 | { | |
377 | switch(dir) { | |
378 | case LEFT: | |
379 | if (allow_off_screen || (*col > 0)) { | |
380 | (*col)--; | |
381 | } | |
382 | break; | |
383 | case DOWN: | |
384 | if (allow_off_screen || (*row < (DROWS-2))) { | |
385 | (*row)++; | |
386 | } | |
387 | break; | |
388 | case UPWARD: | |
389 | if (allow_off_screen || (*row > MIN_ROW)) { | |
390 | (*row)--; | |
391 | } | |
392 | break; | |
393 | case RIGHT: | |
394 | if (allow_off_screen || (*col < (DCOLS-1))) { | |
395 | (*col)++; | |
396 | } | |
397 | break; | |
398 | case UPLEFT: | |
399 | if (allow_off_screen || ((*row > MIN_ROW) && (*col > 0))) { | |
400 | (*row)--; | |
401 | (*col)--; | |
402 | } | |
403 | break; | |
404 | case UPRIGHT: | |
405 | if (allow_off_screen || ((*row > MIN_ROW) && (*col < (DCOLS-1)))) { | |
406 | (*row)--; | |
407 | (*col)++; | |
408 | } | |
409 | break; | |
410 | case DOWNRIGHT: | |
411 | if (allow_off_screen || ((*row < (DROWS-2)) && (*col < (DCOLS-1)))) { | |
412 | (*row)++; | |
413 | (*col)++; | |
414 | } | |
415 | break; | |
416 | case DOWNLEFT: | |
417 | if (allow_off_screen || ((*row < (DROWS-2)) && (*col > 0))) { | |
418 | (*row)++; | |
419 | (*col)--; | |
420 | } | |
421 | break; | |
422 | } | |
423 | } | |
424 | ||
425 | get_hit_chance(weapon) | |
426 | object *weapon; | |
427 | { | |
428 | short hit_chance; | |
429 | ||
430 | hit_chance = 40; | |
431 | hit_chance += 3 * to_hit(weapon); | |
432 | hit_chance += (((2 * rogue.exp) + (2 * ring_exp)) - r_rings); | |
433 | return(hit_chance); | |
434 | } | |
435 | ||
436 | get_weapon_damage(weapon) | |
437 | object *weapon; | |
438 | { | |
439 | short damage; | |
440 | ||
441 | damage = get_w_damage(weapon); | |
442 | damage += damage_for_strength(); | |
443 | damage += ((((rogue.exp + ring_exp) - r_rings) + 1) / 2); | |
444 | return(damage); | |
445 | } | |
446 | ||
447 | s_con_mon(monster) | |
448 | object *monster; | |
449 | { | |
450 | if (con_mon) { | |
451 | monster->m_flags |= CONFUSED; | |
452 | monster->moves_confused += get_rand(12, 22); | |
453 | message("the monster appears confused", 0); | |
454 | con_mon = 0; | |
455 | } | |
456 | } |