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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 | * | |
b2e7427f | 8 | * %sccs.include.redist.c% |
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9 | */ |
10 | ||
11 | #ifndef lint | |
b2e7427f | 12 | static char sccsid[] = "@(#)throw.c 5.3 (Berkeley) %G%"; |
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13 | #endif /* not lint */ |
14 | ||
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15 | /* |
16 | * throw.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 | ||
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27 | #include "rogue.h" |
28 | ||
29 | extern short cur_room; | |
30 | extern char *curse_message; | |
31 | extern char hit_message[]; | |
32 | ||
33 | throw() | |
34 | { | |
35 | short wch, d; | |
36 | boolean first_miss = 1; | |
37 | object *weapon; | |
38 | short dir, row, col; | |
39 | object *monster; | |
40 | ||
41 | while (!is_direction(dir = rgetchar(), &d)) { | |
42 | sound_bell(); | |
43 | if (first_miss) { | |
44 | message("direction? ", 0); | |
45 | first_miss = 0; | |
46 | } | |
47 | } | |
48 | check_message(); | |
49 | if (dir == CANCEL) { | |
50 | return; | |
51 | } | |
52 | if ((wch = pack_letter("throw what?", WEAPON)) == CANCEL) { | |
53 | return; | |
54 | } | |
55 | check_message(); | |
56 | ||
57 | if (!(weapon = get_letter_object(wch))) { | |
58 | message("no such item.", 0); | |
59 | return; | |
60 | } | |
61 | if ((weapon->in_use_flags & BEING_USED) && weapon->is_cursed) { | |
62 | message(curse_message, 0); | |
63 | return; | |
64 | } | |
65 | row = rogue.row; col = rogue.col; | |
66 | ||
67 | if ((weapon->in_use_flags & BEING_WIELDED) && (weapon->quantity <= 1)) { | |
68 | unwield(rogue.weapon); | |
69 | } else if (weapon->in_use_flags & BEING_WORN) { | |
70 | mv_aquatars(); | |
71 | unwear(rogue.armor); | |
72 | print_stats(STAT_ARMOR); | |
73 | } else if (weapon->in_use_flags & ON_EITHER_HAND) { | |
74 | un_put_on(weapon); | |
75 | } | |
76 | monster = get_thrown_at_monster(weapon, d, &row, &col); | |
77 | mvaddch(rogue.row, rogue.col, rogue.fchar); | |
78 | refresh(); | |
79 | ||
80 | if (rogue_can_see(row, col) && ((row != rogue.row) || (col != rogue.col))){ | |
81 | mvaddch(row, col, get_dungeon_char(row, col)); | |
82 | } | |
83 | if (monster) { | |
84 | wake_up(monster); | |
85 | check_gold_seeker(monster); | |
86 | ||
87 | if (!throw_at_monster(monster, weapon)) { | |
88 | flop_weapon(weapon, row, col); | |
89 | } | |
90 | } else { | |
91 | flop_weapon(weapon, row, col); | |
92 | } | |
93 | vanish(weapon, 1, &rogue.pack); | |
94 | } | |
95 | ||
96 | throw_at_monster(monster, weapon) | |
97 | object *monster, *weapon; | |
98 | { | |
99 | short damage, hit_chance; | |
100 | short t; | |
101 | ||
102 | hit_chance = get_hit_chance(weapon); | |
103 | damage = get_weapon_damage(weapon); | |
104 | if ((weapon->which_kind == ARROW) && | |
105 | (rogue.weapon && (rogue.weapon->which_kind == BOW))) { | |
106 | damage += get_weapon_damage(rogue.weapon); | |
107 | damage = ((damage * 2) / 3); | |
108 | hit_chance += (hit_chance / 3); | |
109 | } else if ((weapon->in_use_flags & BEING_WIELDED) && | |
110 | ((weapon->which_kind == DAGGER) || | |
111 | (weapon->which_kind == SHURIKEN) || | |
112 | (weapon->which_kind == DART))) { | |
113 | damage = ((damage * 3) / 2); | |
114 | hit_chance += (hit_chance / 3); | |
115 | } | |
116 | t = weapon->quantity; | |
117 | weapon->quantity = 1; | |
118 | sprintf(hit_message, "the %s", name_of(weapon)); | |
119 | weapon->quantity = t; | |
120 | ||
121 | if (!rand_percent(hit_chance)) { | |
122 | (void) strcat(hit_message, "misses "); | |
123 | return(0); | |
124 | } | |
125 | s_con_mon(monster); | |
126 | (void) strcat(hit_message, "hit "); | |
127 | (void) mon_damage(monster, damage); | |
128 | return(1); | |
129 | } | |
130 | ||
131 | object * | |
132 | get_thrown_at_monster(obj, dir, row, col) | |
133 | object *obj; | |
134 | short dir; | |
135 | short *row, *col; | |
136 | { | |
137 | short orow, ocol; | |
138 | short i, ch; | |
139 | ||
140 | orow = *row; ocol = *col; | |
141 | ||
142 | ch = get_mask_char(obj->what_is); | |
143 | ||
144 | for (i = 0; i < 24; i++) { | |
145 | get_dir_rc(dir, row, col, 0); | |
146 | if ( (((*col <= 0) || (*col >= DCOLS-1)) || | |
147 | (dungeon[*row][*col] == NOTHING)) || | |
148 | ((dungeon[*row][*col] & (HORWALL | VERTWALL | HIDDEN)) && | |
149 | (!(dungeon[*row][*col] & TRAP)))) { | |
150 | *row = orow; | |
151 | *col = ocol; | |
152 | return(0); | |
153 | } | |
154 | if ((i != 0) && rogue_can_see(orow, ocol)) { | |
155 | mvaddch(orow, ocol, get_dungeon_char(orow, ocol)); | |
156 | } | |
157 | if (rogue_can_see(*row, *col)) { | |
158 | if (!(dungeon[*row][*col] & MONSTER)) { | |
159 | mvaddch(*row, *col, ch); | |
160 | } | |
161 | refresh(); | |
162 | } | |
163 | orow = *row; ocol = *col; | |
164 | if (dungeon[*row][*col] & MONSTER) { | |
165 | if (!imitating(*row, *col)) { | |
166 | return(object_at(&level_monsters, *row, *col)); | |
167 | } | |
168 | } | |
169 | if (dungeon[*row][*col] & TUNNEL) { | |
170 | i += 2; | |
171 | } | |
172 | } | |
173 | return(0); | |
174 | } | |
175 | ||
176 | flop_weapon(weapon, row, col) | |
177 | object *weapon; | |
178 | short row, col; | |
179 | { | |
180 | object *new_weapon, *monster; | |
181 | short i = 0; | |
182 | char msg[80]; | |
183 | boolean found = 0; | |
184 | short mch, dch; | |
185 | unsigned short mon; | |
186 | ||
187 | while ((i < 9) && dungeon[row][col] & ~(FLOOR | TUNNEL | DOOR | MONSTER)) { | |
188 | rand_around(i++, &row, &col); | |
189 | if ((row > (DROWS-2)) || (row < MIN_ROW) || | |
190 | (col > (DCOLS-1)) || (col < 0) || (!dungeon[row][col]) || | |
191 | (dungeon[row][col] & ~(FLOOR | TUNNEL | DOOR | MONSTER))) { | |
192 | continue; | |
193 | } | |
194 | found = 1; | |
195 | break; | |
196 | } | |
197 | ||
198 | if (found || (i == 0)) { | |
199 | new_weapon = alloc_object(); | |
200 | *new_weapon = *weapon; | |
201 | new_weapon->in_use_flags = NOT_USED; | |
202 | new_weapon->quantity = 1; | |
203 | new_weapon->ichar = 'L'; | |
204 | place_at(new_weapon, row, col); | |
205 | if (rogue_can_see(row, col) && | |
206 | ((row != rogue.row) || (col != rogue.col))) { | |
207 | mon = dungeon[row][col] & MONSTER; | |
208 | dungeon[row][col] &= (~MONSTER); | |
209 | dch = get_dungeon_char(row, col); | |
210 | if (mon) { | |
211 | mch = mvinch(row, col); | |
212 | if (monster = object_at(&level_monsters, row, col)) { | |
213 | monster->trail_char = dch; | |
214 | } | |
215 | if ((mch < 'A') || (mch > 'Z')) { | |
216 | mvaddch(row, col, dch); | |
217 | } | |
218 | } else { | |
219 | mvaddch(row, col, dch); | |
220 | } | |
221 | dungeon[row][col] |= mon; | |
222 | } | |
223 | } else { | |
224 | short t; | |
225 | ||
226 | t = weapon->quantity; | |
227 | weapon->quantity = 1; | |
228 | sprintf(msg, "the %svanishes as it hits the ground", | |
229 | name_of(weapon)); | |
230 | weapon->quantity = t; | |
231 | message(msg, 0); | |
232 | } | |
233 | } | |
234 | ||
235 | rand_around(i, r, c) | |
236 | short i, *r, *c; | |
237 | { | |
238 | static char* pos = "\010\007\001\003\004\005\002\006\0"; | |
239 | static short row, col; | |
240 | short j; | |
241 | ||
242 | if (i == 0) { | |
243 | short x, y, o, t; | |
244 | ||
245 | row = *r; | |
246 | col = *c; | |
247 | ||
248 | o = get_rand(1, 8); | |
249 | ||
250 | for (j = 0; j < 5; j++) { | |
251 | x = get_rand(0, 8); | |
252 | y = (x + o) % 9; | |
253 | t = pos[x]; | |
254 | pos[x] = pos[y]; | |
255 | pos[y] = t; | |
256 | } | |
257 | } | |
258 | switch((short)pos[i]) { | |
259 | case 0: | |
260 | *r = row + 1; | |
261 | *c = col + 1; | |
262 | break; | |
263 | case 1: | |
264 | *r = row + 1; | |
265 | *c = col - 1; | |
266 | break; | |
267 | case 2: | |
268 | *r = row - 1; | |
269 | *c = col + 1; | |
270 | break; | |
271 | case 3: | |
272 | *r = row - 1; | |
273 | *c = col - 1; | |
274 | break; | |
275 | case 4: | |
276 | *r = row; | |
277 | *c = col + 1; | |
278 | break; | |
279 | case 5: | |
280 | *r = row + 1; | |
281 | *c = col; | |
282 | break; | |
283 | case 6: | |
284 | *r = row; | |
285 | *c = col; | |
286 | break; | |
287 | case 7: | |
288 | *r = row - 1; | |
289 | *c = col; | |
290 | break; | |
291 | case 8: | |
292 | *r = row; | |
293 | *c = col - 1; | |
294 | break; | |
295 | } | |
296 | } |