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1.1 ! root 1: /* ! 2: * Copyright (c) 1985 Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * Redistribution and use in source and binary forms are permitted ! 6: * provided that the above copyright notice and this paragraph are ! 7: * duplicated in all such forms and that any documentation, ! 8: * advertising materials, and other materials related to such ! 9: * distribution and use acknowledge that the software was developed ! 10: * by the University of California, Berkeley. The name of the ! 11: * University may not be used to endorse or promote products derived ! 12: * from this software without specific prior written permission. ! 13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR ! 14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED ! 15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 16: */ ! 17: ! 18: #ifndef lint ! 19: static char sccsid[] = "@(#)expl.c 5.2 (Berkeley) 6/27/88"; ! 20: #endif /* not lint */ ! 21: ! 22: /* ! 23: * Hunt ! 24: * Copyright (c) 1985 Conrad C. Huang, Gregory S. Couch, Kenneth C.R.C. Arnold ! 25: * San Francisco, California ! 26: */ ! 27: ! 28: # include "hunt.h" ! 29: ! 30: /* ! 31: * showexpl: ! 32: * Show the explosions as they currently are ! 33: */ ! 34: showexpl(y, x, type) ! 35: register int y, x; ! 36: char type; ! 37: { ! 38: register PLAYER *pp; ! 39: register EXPL *ep; ! 40: ! 41: if (y < 0 || y >= HEIGHT) ! 42: return; ! 43: if (x < 0 || x >= WIDTH) ! 44: return; ! 45: ep = (EXPL *) malloc(sizeof (EXPL)); /* NOSTRICT */ ! 46: ep->e_y = y; ! 47: ep->e_x = x; ! 48: ep->e_char = type; ! 49: ep->e_next = Expl[0]; ! 50: Expl[0] = ep; ! 51: for (pp = Player; pp < End_player; pp++) { ! 52: if (pp->p_maze[y][x] == type) ! 53: continue; ! 54: pp->p_maze[y][x] = type; ! 55: cgoto(pp, y, x); ! 56: outch(pp, type); ! 57: } ! 58: # ifdef MONITOR ! 59: for (pp = Monitor; pp < End_monitor; pp++) { ! 60: if (pp->p_maze[y][x] == type) ! 61: continue; ! 62: pp->p_maze[y][x] = type; ! 63: cgoto(pp, y, x); ! 64: outch(pp, type); ! 65: } ! 66: # endif MONITOR ! 67: switch (Maze[y][x]) { ! 68: case WALL1: ! 69: case WALL2: ! 70: case WALL3: ! 71: # ifdef RANDOM ! 72: case DOOR: ! 73: # endif RANDOM ! 74: # ifdef REFLECT ! 75: case WALL4: ! 76: case WALL5: ! 77: # endif REFLECT ! 78: if (y >= UBOUND && y < DBOUND && x >= LBOUND && x < RBOUND) ! 79: remove_wall(y, x); ! 80: break; ! 81: } ! 82: } ! 83: ! 84: /* ! 85: * rollexpl: ! 86: * Roll the explosions over, so the next one in the list is at the ! 87: * top ! 88: */ ! 89: rollexpl() ! 90: { ! 91: register EXPL *ep; ! 92: register PLAYER *pp; ! 93: register int y, x; ! 94: register char c; ! 95: register EXPL *nextep; ! 96: ! 97: for (ep = Expl[EXPLEN - 1]; ep != NULL; ep = nextep) { ! 98: nextep = ep->e_next; ! 99: y = ep->e_y; ! 100: x = ep->e_x; ! 101: if (y < UBOUND || y >= DBOUND || x < LBOUND || x >= RBOUND) ! 102: c = Maze[y][x]; ! 103: else ! 104: c = SPACE; ! 105: for (pp = Player; pp < End_player; pp++) ! 106: if (pp->p_maze[y][x] == ep->e_char) { ! 107: pp->p_maze[y][x] = c; ! 108: cgoto(pp, y, x); ! 109: outch(pp, c); ! 110: } ! 111: # ifdef MONITOR ! 112: for (pp = Monitor; pp < End_monitor; pp++) ! 113: check(pp, y, x); ! 114: # endif MONITOR ! 115: free((char *) ep); ! 116: } ! 117: for (x = EXPLEN - 1; x > 0; x--) ! 118: Expl[x] = Expl[x - 1]; ! 119: Expl[0] = NULL; ! 120: } ! 121: ! 122: /* There's about 700 walls in the initial maze. So we pick a number ! 123: * that keeps the maze relatively full. */ ! 124: # define MAXREMOVE 40 ! 125: ! 126: static REGEN removed[MAXREMOVE]; ! 127: static REGEN *rem_index = removed; ! 128: ! 129: /* ! 130: * remove_wall - add a location where the wall was blown away. ! 131: * if there is no space left over, put the a wall at ! 132: * the location currently pointed at. ! 133: */ ! 134: remove_wall(y, x) ! 135: int y, x; ! 136: { ! 137: register REGEN *r; ! 138: # if defined(MONITOR) || defined(FLY) ! 139: register PLAYER *pp; ! 140: # endif MONITOR || FLY ! 141: # ifdef FLY ! 142: register char save_char; ! 143: # endif FLY ! 144: ! 145: r = rem_index; ! 146: while (r->r_y != 0) { ! 147: # ifdef FLY ! 148: switch (Maze[r->r_y][r->r_x]) { ! 149: case SPACE: ! 150: case LEFTS: ! 151: case RIGHT: ! 152: case ABOVE: ! 153: case BELOW: ! 154: case FLYER: ! 155: save_char = Maze[r->r_y][r->r_x]; ! 156: goto found; ! 157: } ! 158: # else FLY ! 159: if (Maze[r->r_y][r->r_x] == SPACE) ! 160: break; ! 161: # endif FLY ! 162: if (++r >= &removed[MAXREMOVE]) ! 163: r = removed; ! 164: } ! 165: ! 166: found: ! 167: if (r->r_y != 0) { ! 168: /* Slot being used, put back this wall */ ! 169: # ifdef FLY ! 170: if (save_char == SPACE) ! 171: Maze[r->r_y][r->r_x] = Orig_maze[r->r_y][r->r_x]; ! 172: else { ! 173: pp = play_at(r->r_y, r->r_x); ! 174: if (pp->p_flying >= 0) ! 175: pp->p_flying += rand_num(10); ! 176: else { ! 177: pp->p_flying = rand_num(20); ! 178: pp->p_flyx = 2 * rand_num(6) - 5; ! 179: pp->p_flyy = 2 * rand_num(6) - 5; ! 180: } ! 181: pp->p_over = Orig_maze[r->r_y][r->r_x]; ! 182: pp->p_face = FLYER; ! 183: Maze[r->r_y][r->r_x] = FLYER; ! 184: showexpl(r->r_y, r->r_x, FLYER); ! 185: } ! 186: # else FLY ! 187: Maze[r->r_y][r->r_x] = Orig_maze[r->r_y][r->r_x]; ! 188: # endif FLY ! 189: # ifdef RANDOM ! 190: if (rand_num(100) == 0) ! 191: Maze[r->r_y][r->r_x] = DOOR; ! 192: # endif RANDOM ! 193: # ifdef REFLECT ! 194: if (rand_num(100) == 0) /* one percent of the time */ ! 195: Maze[r->r_y][r->r_x] = WALL4; ! 196: # endif REFLECT ! 197: # ifdef MONITOR ! 198: for (pp = Monitor; pp < End_monitor; pp++) ! 199: check(pp, r->r_y, r->r_x); ! 200: # endif MONITOR ! 201: } ! 202: ! 203: r->r_y = y; ! 204: r->r_x = x; ! 205: if (++r >= &removed[MAXREMOVE]) ! 206: rem_index = removed; ! 207: else ! 208: rem_index = r; ! 209: ! 210: Maze[y][x] = SPACE; ! 211: # ifdef MONITOR ! 212: for (pp = Monitor; pp < End_monitor; pp++) ! 213: check(pp, y, x); ! 214: # endif MONITOR ! 215: }
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