[unix-history] / usr / src / games / rogue / hit.c

/*
 * Copyright (c) 1988 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Timothy C. Stoehr.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
static char sccsid[] = "@(#)hit.c	5.3 (Berkeley) %G%";
#endif /* not lint */

/*
 * hit.c
 *
 * This source herein may be modified and/or distributed by anybody who
 * so desires, with the following restrictions:
 *    1.)  No portion of this notice shall be removed.
 *    2.)  Credit shall not be taken for the creation of this source.
 *    3.)  This code is not to be traded, sold, or used for personal
 *         gain or profit.
 *
 */

#include "rogue.h"

object *fight_monster = 0;
char hit_message[80] = "";

extern short halluc, blind, cur_level;
extern short add_strength, ring_exp, r_rings;
extern boolean being_held, interrupted, wizard, con_mon;

mon_hit(monster)
register object *monster;
{
	short damage, hit_chance;
	char *mn;
	float minus;

	if (fight_monster && (monster != fight_monster)) {
		fight_monster = 0;
	}
	monster->trow = NO_ROOM;
	if (cur_level >= (AMULET_LEVEL * 2)) {
		hit_chance = 100;
	} else {
		hit_chance = monster->m_hit_chance;
		hit_chance -= (((2 * rogue.exp) + (2 * ring_exp)) - r_rings);
	}
	if (wizard) {
		hit_chance /= 2;
	}
	if (!fight_monster) {
		interrupted = 1;
	}
	mn = mon_name(monster);

	if (!rand_percent(hit_chance)) {
		if (!fight_monster) {
			sprintf(hit_message + strlen(hit_message), "the %s misses", mn);
			message(hit_message, 1);
			hit_message[0] = 0;
		}
		return;
	}
	if (!fight_monster) {
		sprintf(hit_message + strlen(hit_message), "the %s hit", mn);
		message(hit_message, 1);
		hit_message[0] = 0;
	}
	if (!(monster->m_flags & STATIONARY)) {
		damage = get_damage(monster->m_damage, 1);
		if (cur_level >= (AMULET_LEVEL * 2)) {
			minus = (float) ((AMULET_LEVEL * 2) - cur_level);
		} else {
			minus = (float) get_armor_class(rogue.armor) * 3.00;
			minus = minus/100.00 * (float) damage;
		}
		damage -= (short) minus;
	} else {
		damage = monster->stationary_damage++;
	}
	if (wizard) {
		damage /= 3;
	}
	if (damage > 0) {
		rogue_damage(damage, monster, 0);
	}
	if (monster->m_flags & SPECIAL_HIT) {
		special_hit(monster);
	}
}

rogue_hit(monster, force_hit)
register object *monster;
boolean force_hit;
{
	short damage, hit_chance;

	if (monster) {
		if (check_imitator(monster)) {
			return;
		}
		hit_chance = force_hit ? 100 : get_hit_chance(rogue.weapon);

		if (wizard) {
			hit_chance *= 2;
		}
		if (!rand_percent(hit_chance)) {
			if (!fight_monster) {
				(void) strcpy(hit_message, "you miss  ");
			}
			goto RET;
		}
		damage = get_weapon_damage(rogue.weapon);
		if (wizard) {
			damage *= 3;
		}
		if (con_mon) {
			s_con_mon(monster);
		}
		if (mon_damage(monster, damage)) {	/* still alive? */
			if (!fight_monster) {
				(void) strcpy(hit_message, "you hit  ");
			}
		}
RET:	check_gold_seeker(monster);
		wake_up(monster);
	}
}

rogue_damage(d, monster, other)
short d;
object *monster;
short other;
{
	if (d >= rogue.hp_current) {
		rogue.hp_current = 0;
		print_stats(STAT_HP);
		killed_by(monster, other);
	}
	if (d > 0) {
		rogue.hp_current -= d;
		print_stats(STAT_HP);
	}
}

get_damage(ds, r)
char *ds;
boolean r;
{
	register i = 0, j, n, d, total = 0;

	while (ds[i]) {
		n = get_number(ds+i);
		while (ds[i++] != 'd') ;
		d = get_number(ds+i);
		while ((ds[i] != '/') && ds[i]) i++;

		for (j = 0; j < n; j++) {
			if (r) {
				total += get_rand(1, d);
			} else {
				total += d;
			}
		}
		if (ds[i] == '/') {
			i++;
		}
	}
	return(total);
}

get_w_damage(obj)
object *obj;
{
	char new_damage[12];
	register to_hit, damage;
	register i = 0;

	if ((!obj) || (obj->what_is != WEAPON)) {
		return(-1);
	}
	to_hit = get_number(obj->damage) + obj->hit_enchant;
	while (obj->damage[i++] != 'd') ;
	damage = get_number(obj->damage + i) + obj->d_enchant;

	sprintf(new_damage, "%dd%d", to_hit, damage);

	return(get_damage(new_damage, 1));
}

get_number(s)
register char *s;
{
	register i = 0;
	register total = 0;

	while ((s[i] >= '0') && (s[i] <= '9')) {
		total = (10 * total) + (s[i] - '0');
		i++;
	}
	return(total);
}

long
lget_number(s)
char *s;
{
	short i = 0;
	long total = 0;

	while ((s[i] >= '0') && (s[i] <= '9')) {
		total = (10 * total) + (s[i] - '0');
		i++;
	}
	return(total);
}

to_hit(obj)
object *obj;
{
	if (!obj) {
		return(1);
	}
	return(get_number(obj->damage) + obj->hit_enchant);
}

damage_for_strength()
{
	short strength;

	strength = rogue.str_current + add_strength;

	if (strength <= 6) {
		return(strength-5);
	}
	if (strength <= 14) {
		return(1);
	}
	if (strength <= 17) {
		return(3);
	}
	if (strength <= 18) {
		return(4);
	}
	if (strength <= 20) {
		return(5);
	}
	if (strength <= 21) {
		return(6);
	}
	if (strength <= 30) {
		return(7);
	}
	return(8);
}

mon_damage(monster, damage)
object *monster;
short damage;
{
	char *mn;
	short row, col;

	monster->hp_to_kill -= damage;

	if (monster->hp_to_kill <= 0) {
		row = monster->row;
		col = monster->col;
		dungeon[row][col] &= ~MONSTER;
		mvaddch(row, col, (int) get_dungeon_char(row, col));

		fight_monster = 0;
		cough_up(monster);
		mn = mon_name(monster);
		sprintf(hit_message+strlen(hit_message), "defeated the %s", mn);
		message(hit_message, 1);
		hit_message[0] = 0;
		add_exp(monster->kill_exp, 1);
		take_from_pack(monster, &level_monsters);

		if (monster->m_flags & HOLDS) {
			being_held = 0;
		}
		free_object(monster);
		return(0);
	}
	return(1);
}

fight(to_the_death)
boolean to_the_death;
{
	short ch, c, d;
	short row, col;
	boolean first_miss = 1;
	short possible_damage;
	object *monster;

	while (!is_direction(ch = rgetchar(), &d)) {
		sound_bell();
		if (first_miss) {
			message("direction?", 0);
			first_miss = 0;
		}
	}
	check_message();
	if (ch == CANCEL) {
		return;
	}
	row = rogue.row; col = rogue.col;
	get_dir_rc(d, &row, &col, 0);

	c = mvinch(row, col);
	if (((c < 'A') || (c > 'Z')) ||
		(!can_move(rogue.row, rogue.col, row, col))) {
		message("I see no monster there", 0);
		return;
	}
	if (!(fight_monster = object_at(&level_monsters, row, col))) {
		return;
	}
	if (!(fight_monster->m_flags & STATIONARY)) {
		possible_damage = ((get_damage(fight_monster->m_damage, 0) * 2) / 3);
	} else {
		possible_damage = fight_monster->stationary_damage - 1;
	}
	while (fight_monster) {
		(void) one_move_rogue(ch, 0);
		if (((!to_the_death) && (rogue.hp_current <= possible_damage)) ||
			interrupted || (!(dungeon[row][col] & MONSTER))) {
			fight_monster = 0;
		} else {
			monster = object_at(&level_monsters, row, col);
			if (monster != fight_monster) {
				fight_monster = 0;
			}
		}
	}
}

get_dir_rc(dir, row, col, allow_off_screen)
short dir;
short *row, *col;
short allow_off_screen;
{
	switch(dir) {
	case LEFT:
		if (allow_off_screen || (*col > 0)) {
			(*col)--;
		}
		break;
	case DOWN:
		if (allow_off_screen || (*row < (DROWS-2))) {
			(*row)++;
		}
		break;
	case UPWARD:
		if (allow_off_screen || (*row > MIN_ROW)) {
			(*row)--;
		}
		break;
	case RIGHT:
		if (allow_off_screen || (*col < (DCOLS-1))) {
			(*col)++;
		}
		break;
	case UPLEFT:
		if (allow_off_screen || ((*row > MIN_ROW) && (*col > 0))) {
			(*row)--;
			(*col)--;
		}
		break;
	case UPRIGHT:
		if (allow_off_screen || ((*row > MIN_ROW) && (*col < (DCOLS-1)))) {
			(*row)--;
			(*col)++;
		}
		break;
	case DOWNRIGHT:
		if (allow_off_screen || ((*row < (DROWS-2)) && (*col < (DCOLS-1)))) {
			(*row)++;
			(*col)++;
		}
		break;
	case DOWNLEFT:
		if (allow_off_screen || ((*row < (DROWS-2)) && (*col > 0))) {
			(*row)++;
			(*col)--;
		}
		break;
	}
}

get_hit_chance(weapon)
object *weapon;
{
	short hit_chance;

	hit_chance = 40;
	hit_chance += 3 * to_hit(weapon);
	hit_chance += (((2 * rogue.exp) + (2 * ring_exp)) - r_rings);
	return(hit_chance);
}

get_weapon_damage(weapon)
object *weapon;
{
	short damage;

	damage = get_w_damage(weapon);
	damage += damage_for_strength();
	damage += ((((rogue.exp + ring_exp) - r_rings) + 1) / 2);
	return(damage);
}

s_con_mon(monster)
object *monster;
{
	if (con_mon) {
		monster->m_flags |= CONFUSED;
		monster->moves_confused += get_rand(12, 22);
		message("the monster appears confused", 0);
		con_mon = 0;
	}
}
Commit	Line	Data
fc3e88fd KB	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	*
3b2381a2	8	* %sccs.include.redist.c%
fc3e88fd KB	9	*/
	10
	11	#ifndef lint
3b2381a2	12	static char sccsid[] = "@(#)hit.c 5.3 (Berkeley) %G%";
fc3e88fd KB	13	#endif /* not lint */
fc3e88fd KB	14
b3afadef KB	15	/*
	16	* hit.c
	17	*
	18	* This source herein may be modified and/or distributed by anybody who
	19	* so desires, with the following restrictions:
	20	* 1.) No portion of this notice shall be removed.
	21	* 2.) Credit shall not be taken for the creation of this source.
	22	* 3.) This code is not to be traded, sold, or used for personal
	23	* gain or profit.
	24	*
	25	*/
	26
b3afadef KB	27	#include "rogue.h"
	28
	29	object *fight_monster = 0;
	30	char hit_message[80] = "";
	31
	32	extern short halluc, blind, cur_level;
	33	extern short add_strength, ring_exp, r_rings;
	34	extern boolean being_held, interrupted, wizard, con_mon;
	35
	36	mon_hit(monster)
	37	register object *monster;
	38	{
	39	short damage, hit_chance;
	40	char *mn;
	41	float minus;
	42
	43	if (fight_monster && (monster != fight_monster)) {
	44	fight_monster = 0;
	45	}
	46	monster->trow = NO_ROOM;
	47	if (cur_level >= (AMULET_LEVEL * 2)) {
	48	hit_chance = 100;
	49	} else {
	50	hit_chance = monster->m_hit_chance;
	51	hit_chance -= (((2 * rogue.exp) + (2 * ring_exp)) - r_rings);
	52	}
	53	if (wizard) {
	54	hit_chance /= 2;
	55	}
	56	if (!fight_monster) {
	57	interrupted = 1;
	58	}
	59	mn = mon_name(monster);
	60
	61	if (!rand_percent(hit_chance)) {
	62	if (!fight_monster) {
	63	sprintf(hit_message + strlen(hit_message), "the %s misses", mn);
	64	message(hit_message, 1);
	65	hit_message[0] = 0;
	66	}
	67	return;
	68	}
	69	if (!fight_monster) {
	70	sprintf(hit_message + strlen(hit_message), "the %s hit", mn);
	71	message(hit_message, 1);
	72	hit_message[0] = 0;
	73	}
	74	if (!(monster->m_flags & STATIONARY)) {
	75	damage = get_damage(monster->m_damage, 1);
	76	if (cur_level >= (AMULET_LEVEL * 2)) {
	77	minus = (float) ((AMULET_LEVEL * 2) - cur_level);
	78	} else {
	79	minus = (float) get_armor_class(rogue.armor) * 3.00;
	80	minus = minus/100.00 * (float) damage;
	81	}
	82	damage -= (short) minus;
	83	} else {
	84	damage = monster->stationary_damage++;
	85	}
	86	if (wizard) {
	87	damage /= 3;
	88	}
	89	if (damage > 0) {
	90	rogue_damage(damage, monster, 0);
91	}
92	if (monster->m_flags & SPECIAL_HIT) {
93	special_hit(monster);
94	}
95	}
96
97	rogue_hit(monster, force_hit)
98	register object *monster;
99	boolean force_hit;
100	{
101	short damage, hit_chance;
102
103	if (monster) {
104	if (check_imitator(monster)) {
105	return;
106	}
107	hit_chance = force_hit ? 100 : get_hit_chance(rogue.weapon);
108
109	if (wizard) {
110	hit_chance *= 2;
111	}
112	if (!rand_percent(hit_chance)) {
113	if (!fight_monster) {
114	(void) strcpy(hit_message, "you miss ");
115	}
116	goto RET;
117	}
118	damage = get_weapon_damage(rogue.weapon);
119	if (wizard) {
120	damage *= 3;
121	}
122	if (con_mon) {
123	s_con_mon(monster);
124	}
125	if (mon_damage(monster, damage)) { /* still alive? */
126	if (!fight_monster) {
127	(void) strcpy(hit_message, "you hit ");
128	}
129	}
130	RET: check_gold_seeker(monster);
131	wake_up(monster);
132	}
133	}
134
135	rogue_damage(d, monster, other)
136	short d;
137	object *monster;
138	short other;
139	{
140	if (d >= rogue.hp_current) {
141	rogue.hp_current = 0;
142	print_stats(STAT_HP);
143	killed_by(monster, other);
144	}
145	if (d > 0) {
146	rogue.hp_current -= d;
147	print_stats(STAT_HP);
148	}
149	}
150
151	get_damage(ds, r)
152	char *ds;
153	boolean r;
154	{
155	register i = 0, j, n, d, total = 0;
156
157	while (ds[i]) {
158	n = get_number(ds+i);
159	while (ds[i++] != 'd') ;
160	d = get_number(ds+i);
161	while ((ds[i] != '/') && ds[i]) i++;
162
163	for (j = 0; j < n; j++) {
164	if (r) {
165	total += get_rand(1, d);
166	} else {
167	total += d;
168	}
169	}
170	if (ds[i] == '/') {
171	i++;
172	}
173	}
174	return(total);
175	}
176
177	get_w_damage(obj)
178	object *obj;
179	{
180	char new_damage[12];
181	register to_hit, damage;
182	register i = 0;
183
184	if ((!obj) \|\| (obj->what_is != WEAPON)) {
185	return(-1);
186	}
187	to_hit = get_number(obj->damage) + obj->hit_enchant;
188	while (obj->damage[i++] != 'd') ;
189	damage = get_number(obj->damage + i) + obj->d_enchant;
190
191	sprintf(new_damage, "%dd%d", to_hit, damage);
192
193	return(get_damage(new_damage, 1));
194	}
195
196	get_number(s)
197	register char *s;
198	{
199	register i = 0;
200	register total = 0;
201
202	while ((s[i] >= '0') && (s[i] <= '9')) {
203	total = (10 * total) + (s[i] - '0');
204	i++;
205	}
206	return(total);
207	}
208
209	long
210	lget_number(s)
211	char *s;
212	{
213	short i = 0;
214	long total = 0;
215
216	while ((s[i] >= '0') && (s[i] <= '9')) {
217	total = (10 * total) + (s[i] - '0');
218	i++;
219	}
220	return(total);
221	}
222
223	to_hit(obj)
224	object *obj;
225	{
226	if (!obj) {
227	return(1);
228	}
229	return(get_number(obj->damage) + obj->hit_enchant);
230	}
231
232	damage_for_strength()
233	{
234	short strength;
235
236	strength = rogue.str_current + add_strength;
237
238	if (strength <= 6) {
239	return(strength-5);
240	}
241	if (strength <= 14) {
242	return(1);
243	}
244	if (strength <= 17) {
245	return(3);
246	}
247	if (strength <= 18) {
248	return(4);
249	}
250	if (strength <= 20) {
251	return(5);
252	}
253	if (strength <= 21) {
254	return(6);
255	}
256	if (strength <= 30) {
257	return(7);
258	}
259	return(8);
260	}
261
262	mon_damage(monster, damage)
263	object *monster;
264	short damage;
265	{
266	char *mn;
267	short row, col;
268
269	monster->hp_to_kill -= damage;
270
271	if (monster->hp_to_kill <= 0) {
272	row = monster->row;
273	col = monster->col;
274	dungeon[row][col] &= ~MONSTER;
275	mvaddch(row, col, (int) get_dungeon_char(row, col));
276
277	fight_monster = 0;
278	cough_up(monster);
279	mn = mon_name(monster);
280	sprintf(hit_message+strlen(hit_message), "defeated the %s", mn);
281	message(hit_message, 1);
282	hit_message[0] = 0;
283	add_exp(monster->kill_exp, 1);
284	take_from_pack(monster, &level_monsters);
285
286	if (monster->m_flags & HOLDS) {
287	being_held = 0;
288	}
289	free_object(monster);
290	return(0);
291	}
292	return(1);
293	}
294
295	fight(to_the_death)
296	boolean to_the_death;
297	{
298	short ch, c, d;
299	short row, col;
300	boolean first_miss = 1;
301	short possible_damage;
302	object *monster;
303
304	while (!is_direction(ch = rgetchar(), &d)) {
305	sound_bell();
306	if (first_miss) {
307	message("direction?", 0);
308	first_miss = 0;
309	}
310	}
311	check_message();
312	if (ch == CANCEL) {
313	return;
314	}
315	row = rogue.row; col = rogue.col;
316	get_dir_rc(d, &row, &col, 0);
317
318	c = mvinch(row, col);
319	if (((c < 'A') \|\| (c > 'Z')) \|\|
320	(!can_move(rogue.row, rogue.col, row, col))) {
321	message("I see no monster there", 0);
322	return;
323	}
324	if (!(fight_monster = object_at(&level_monsters, row, col))) {
325	return;
326	}
327	if (!(fight_monster->m_flags & STATIONARY)) {
328	possible_damage = ((get_damage(fight_monster->m_damage, 0) * 2) / 3);
329	} else {
330	possible_damage = fight_monster->stationary_damage - 1;
331	}
332	while (fight_monster) {
333	(void) one_move_rogue(ch, 0);
334	if (((!to_the_death) && (rogue.hp_current <= possible_damage)) \|\|
335	interrupted \|\| (!(dungeon[row][col] & MONSTER))) {
336	fight_monster = 0;
337	} else {
338	monster = object_at(&level_monsters, row, col);
339	if (monster != fight_monster) {
340	fight_monster = 0;
341	}
342	}
343	}
344	}
345
346	get_dir_rc(dir, row, col, allow_off_screen)
347	short dir;
348	short row, col;
349	short allow_off_screen;
350	{
351	switch(dir) {
352	case LEFT:
353	if (allow_off_screen \|\| (*col > 0)) {
354	(*col)--;
355	}
356	break;
357	case DOWN:
358	if (allow_off_screen \|\| (*row < (DROWS-2))) {
359	(*row)++;
360	}
361	break;
362	case UPWARD:
363	if (allow_off_screen \|\| (*row > MIN_ROW)) {
364	(*row)--;
365	}
366	break;
367	case RIGHT:
368	if (allow_off_screen \|\| (*col < (DCOLS-1))) {
369	(*col)++;
370	}
371	break;
372	case UPLEFT:
373	if (allow_off_screen \|\| ((row > MIN_ROW) && (col > 0))) {
374	(*row)--;
375	(*col)--;
376	}
377	break;
378	case UPRIGHT:
379	if (allow_off_screen \|\| ((row > MIN_ROW) && (col < (DCOLS-1)))) {
380	(*row)--;
381	(*col)++;
382	}
383	break;
384	case DOWNRIGHT:
385	if (allow_off_screen \|\| ((row < (DROWS-2)) && (col < (DCOLS-1)))) {
386	(*row)++;
387	(*col)++;
388	}
389	break;
390	case DOWNLEFT:
391	if (allow_off_screen \|\| ((row < (DROWS-2)) && (col > 0))) {
392	(*row)++;
393	(*col)--;
394	}
395	break;
396	}
397	}
398
399	get_hit_chance(weapon)
400	object *weapon;
401	{
402	short hit_chance;
403
404	hit_chance = 40;
405	hit_chance += 3 * to_hit(weapon);
406	hit_chance += (((2 * rogue.exp) + (2 * ring_exp)) - r_rings);
407	return(hit_chance);
408	}
409
410	get_weapon_damage(weapon)
411	object *weapon;
412	{
413	short damage;
414
415	damage = get_w_damage(weapon);
416	damage += damage_for_strength();
417	damage += ((((rogue.exp + ring_exp) - r_rings) + 1) / 2);
418	return(damage);
419	}
420
421	s_con_mon(monster)
422	object *monster;
423	{
424	if (con_mon) {
425	monster->m_flags \|= CONFUSED;
426	monster->moves_confused += get_rand(12, 22);
427	message("the monster appears confused", 0);
428	con_mon = 0;
429	}
430	}