| 1 | /* |
| 2 | * throw.c |
| 3 | * |
| 4 | * This source herein may be modified and/or distributed by anybody who |
| 5 | * so desires, with the following restrictions: |
| 6 | * 1.) No portion of this notice shall be removed. |
| 7 | * 2.) Credit shall not be taken for the creation of this source. |
| 8 | * 3.) This code is not to be traded, sold, or used for personal |
| 9 | * gain or profit. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #ifndef lint |
| 14 | static char sccsid[] = "@(#)throw.c 5.1 (Berkeley) %G%"; |
| 15 | #endif /* not lint */ |
| 16 | |
| 17 | #include "rogue.h" |
| 18 | |
| 19 | extern short cur_room; |
| 20 | extern char *curse_message; |
| 21 | extern char hit_message[]; |
| 22 | |
| 23 | throw() |
| 24 | { |
| 25 | short wch, d; |
| 26 | boolean first_miss = 1; |
| 27 | object *weapon; |
| 28 | short dir, row, col; |
| 29 | object *monster; |
| 30 | |
| 31 | while (!is_direction(dir = rgetchar(), &d)) { |
| 32 | sound_bell(); |
| 33 | if (first_miss) { |
| 34 | message("direction? ", 0); |
| 35 | first_miss = 0; |
| 36 | } |
| 37 | } |
| 38 | check_message(); |
| 39 | if (dir == CANCEL) { |
| 40 | return; |
| 41 | } |
| 42 | if ((wch = pack_letter("throw what?", WEAPON)) == CANCEL) { |
| 43 | return; |
| 44 | } |
| 45 | check_message(); |
| 46 | |
| 47 | if (!(weapon = get_letter_object(wch))) { |
| 48 | message("no such item.", 0); |
| 49 | return; |
| 50 | } |
| 51 | if ((weapon->in_use_flags & BEING_USED) && weapon->is_cursed) { |
| 52 | message(curse_message, 0); |
| 53 | return; |
| 54 | } |
| 55 | row = rogue.row; col = rogue.col; |
| 56 | |
| 57 | if ((weapon->in_use_flags & BEING_WIELDED) && (weapon->quantity <= 1)) { |
| 58 | unwield(rogue.weapon); |
| 59 | } else if (weapon->in_use_flags & BEING_WORN) { |
| 60 | mv_aquatars(); |
| 61 | unwear(rogue.armor); |
| 62 | print_stats(STAT_ARMOR); |
| 63 | } else if (weapon->in_use_flags & ON_EITHER_HAND) { |
| 64 | un_put_on(weapon); |
| 65 | } |
| 66 | monster = get_thrown_at_monster(weapon, d, &row, &col); |
| 67 | mvaddch(rogue.row, rogue.col, rogue.fchar); |
| 68 | refresh(); |
| 69 | |
| 70 | if (rogue_can_see(row, col) && ((row != rogue.row) || (col != rogue.col))){ |
| 71 | mvaddch(row, col, get_dungeon_char(row, col)); |
| 72 | } |
| 73 | if (monster) { |
| 74 | wake_up(monster); |
| 75 | check_gold_seeker(monster); |
| 76 | |
| 77 | if (!throw_at_monster(monster, weapon)) { |
| 78 | flop_weapon(weapon, row, col); |
| 79 | } |
| 80 | } else { |
| 81 | flop_weapon(weapon, row, col); |
| 82 | } |
| 83 | vanish(weapon, 1, &rogue.pack); |
| 84 | } |
| 85 | |
| 86 | throw_at_monster(monster, weapon) |
| 87 | object *monster, *weapon; |
| 88 | { |
| 89 | short damage, hit_chance; |
| 90 | short t; |
| 91 | |
| 92 | hit_chance = get_hit_chance(weapon); |
| 93 | damage = get_weapon_damage(weapon); |
| 94 | if ((weapon->which_kind == ARROW) && |
| 95 | (rogue.weapon && (rogue.weapon->which_kind == BOW))) { |
| 96 | damage += get_weapon_damage(rogue.weapon); |
| 97 | damage = ((damage * 2) / 3); |
| 98 | hit_chance += (hit_chance / 3); |
| 99 | } else if ((weapon->in_use_flags & BEING_WIELDED) && |
| 100 | ((weapon->which_kind == DAGGER) || |
| 101 | (weapon->which_kind == SHURIKEN) || |
| 102 | (weapon->which_kind == DART))) { |
| 103 | damage = ((damage * 3) / 2); |
| 104 | hit_chance += (hit_chance / 3); |
| 105 | } |
| 106 | t = weapon->quantity; |
| 107 | weapon->quantity = 1; |
| 108 | sprintf(hit_message, "the %s", name_of(weapon)); |
| 109 | weapon->quantity = t; |
| 110 | |
| 111 | if (!rand_percent(hit_chance)) { |
| 112 | (void) strcat(hit_message, "misses "); |
| 113 | return(0); |
| 114 | } |
| 115 | s_con_mon(monster); |
| 116 | (void) strcat(hit_message, "hit "); |
| 117 | (void) mon_damage(monster, damage); |
| 118 | return(1); |
| 119 | } |
| 120 | |
| 121 | object * |
| 122 | get_thrown_at_monster(obj, dir, row, col) |
| 123 | object *obj; |
| 124 | short dir; |
| 125 | short *row, *col; |
| 126 | { |
| 127 | short orow, ocol; |
| 128 | short i, ch; |
| 129 | |
| 130 | orow = *row; ocol = *col; |
| 131 | |
| 132 | ch = get_mask_char(obj->what_is); |
| 133 | |
| 134 | for (i = 0; i < 24; i++) { |
| 135 | get_dir_rc(dir, row, col, 0); |
| 136 | if ( (((*col <= 0) || (*col >= DCOLS-1)) || |
| 137 | (dungeon[*row][*col] == NOTHING)) || |
| 138 | ((dungeon[*row][*col] & (HORWALL | VERTWALL | HIDDEN)) && |
| 139 | (!(dungeon[*row][*col] & TRAP)))) { |
| 140 | *row = orow; |
| 141 | *col = ocol; |
| 142 | return(0); |
| 143 | } |
| 144 | if ((i != 0) && rogue_can_see(orow, ocol)) { |
| 145 | mvaddch(orow, ocol, get_dungeon_char(orow, ocol)); |
| 146 | } |
| 147 | if (rogue_can_see(*row, *col)) { |
| 148 | if (!(dungeon[*row][*col] & MONSTER)) { |
| 149 | mvaddch(*row, *col, ch); |
| 150 | } |
| 151 | refresh(); |
| 152 | } |
| 153 | orow = *row; ocol = *col; |
| 154 | if (dungeon[*row][*col] & MONSTER) { |
| 155 | if (!imitating(*row, *col)) { |
| 156 | return(object_at(&level_monsters, *row, *col)); |
| 157 | } |
| 158 | } |
| 159 | if (dungeon[*row][*col] & TUNNEL) { |
| 160 | i += 2; |
| 161 | } |
| 162 | } |
| 163 | return(0); |
| 164 | } |
| 165 | |
| 166 | flop_weapon(weapon, row, col) |
| 167 | object *weapon; |
| 168 | short row, col; |
| 169 | { |
| 170 | object *new_weapon, *monster; |
| 171 | short i = 0; |
| 172 | char msg[80]; |
| 173 | boolean found = 0; |
| 174 | short mch, dch; |
| 175 | unsigned short mon; |
| 176 | |
| 177 | while ((i < 9) && dungeon[row][col] & ~(FLOOR | TUNNEL | DOOR | MONSTER)) { |
| 178 | rand_around(i++, &row, &col); |
| 179 | if ((row > (DROWS-2)) || (row < MIN_ROW) || |
| 180 | (col > (DCOLS-1)) || (col < 0) || (!dungeon[row][col]) || |
| 181 | (dungeon[row][col] & ~(FLOOR | TUNNEL | DOOR | MONSTER))) { |
| 182 | continue; |
| 183 | } |
| 184 | found = 1; |
| 185 | break; |
| 186 | } |
| 187 | |
| 188 | if (found || (i == 0)) { |
| 189 | new_weapon = alloc_object(); |
| 190 | *new_weapon = *weapon; |
| 191 | new_weapon->in_use_flags = NOT_USED; |
| 192 | new_weapon->quantity = 1; |
| 193 | new_weapon->ichar = 'L'; |
| 194 | place_at(new_weapon, row, col); |
| 195 | if (rogue_can_see(row, col) && |
| 196 | ((row != rogue.row) || (col != rogue.col))) { |
| 197 | mon = dungeon[row][col] & MONSTER; |
| 198 | dungeon[row][col] &= (~MONSTER); |
| 199 | dch = get_dungeon_char(row, col); |
| 200 | if (mon) { |
| 201 | mch = mvinch(row, col); |
| 202 | if (monster = object_at(&level_monsters, row, col)) { |
| 203 | monster->trail_char = dch; |
| 204 | } |
| 205 | if ((mch < 'A') || (mch > 'Z')) { |
| 206 | mvaddch(row, col, dch); |
| 207 | } |
| 208 | } else { |
| 209 | mvaddch(row, col, dch); |
| 210 | } |
| 211 | dungeon[row][col] |= mon; |
| 212 | } |
| 213 | } else { |
| 214 | short t; |
| 215 | |
| 216 | t = weapon->quantity; |
| 217 | weapon->quantity = 1; |
| 218 | sprintf(msg, "the %svanishes as it hits the ground", |
| 219 | name_of(weapon)); |
| 220 | weapon->quantity = t; |
| 221 | message(msg, 0); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | rand_around(i, r, c) |
| 226 | short i, *r, *c; |
| 227 | { |
| 228 | static char* pos = "\010\007\001\003\004\005\002\006\0"; |
| 229 | static short row, col; |
| 230 | short j; |
| 231 | |
| 232 | if (i == 0) { |
| 233 | short x, y, o, t; |
| 234 | |
| 235 | row = *r; |
| 236 | col = *c; |
| 237 | |
| 238 | o = get_rand(1, 8); |
| 239 | |
| 240 | for (j = 0; j < 5; j++) { |
| 241 | x = get_rand(0, 8); |
| 242 | y = (x + o) % 9; |
| 243 | t = pos[x]; |
| 244 | pos[x] = pos[y]; |
| 245 | pos[y] = t; |
| 246 | } |
| 247 | } |
| 248 | switch((short)pos[i]) { |
| 249 | case 0: |
| 250 | *r = row + 1; |
| 251 | *c = col + 1; |
| 252 | break; |
| 253 | case 1: |
| 254 | *r = row + 1; |
| 255 | *c = col - 1; |
| 256 | break; |
| 257 | case 2: |
| 258 | *r = row - 1; |
| 259 | *c = col + 1; |
| 260 | break; |
| 261 | case 3: |
| 262 | *r = row - 1; |
| 263 | *c = col - 1; |
| 264 | break; |
| 265 | case 4: |
| 266 | *r = row; |
| 267 | *c = col + 1; |
| 268 | break; |
| 269 | case 5: |
| 270 | *r = row + 1; |
| 271 | *c = col; |
| 272 | break; |
| 273 | case 6: |
| 274 | *r = row; |
| 275 | *c = col; |
| 276 | break; |
| 277 | case 7: |
| 278 | *r = row - 1; |
| 279 | *c = col; |
| 280 | break; |
| 281 | case 8: |
| 282 | *r = row; |
| 283 | *c = col - 1; |
| 284 | break; |
| 285 | } |
| 286 | } |