/* generate a valid random ship placement into px,py */ static void randomplace(int b, ship_t *ss) { do { ss->y = rnd(BDEPTH); ss->x = rnd(BWIDTH); ss->dir = rnd(2) ? E : S; } while (!checkplace(b, ss, FALSE)); }
static void randomplace(int b, ship_t * ss) /* generate a valid random ship placement into px,py */ { do { ss->dir = rnd(2) ? E : S; ss->x = rnd(BWIDTH - (ss->dir == E ? ss->length : 0)); ss->y = rnd(BDEPTH - (ss->dir == S ? ss->length : 0)); } while (!checkplace(b, ss, FALSE)); }
static void initgame(void) { int i, j, unplaced; ship_t *ss; (void) clear(); (void) mvaddstr(0, 35, "BATTLESHIPS"); (void) move(PROMPTLINE + 2, 0); announceopts(); memset(board, 0, sizeof(char) * BWIDTH * BDEPTH * 2); memset(hits, 0, sizeof(char) * BWIDTH * BDEPTH * 2); for (i = 0; i < SHIPTYPES; i++) { ss = cpuship + i; ss->x = ss->y = ss->dir = ss->hits = 0; ss->placed = FALSE; ss = plyship + i; ss->x = ss->y = ss->dir = ss->hits = 0; ss->placed = FALSE; } /* draw empty boards */ (void) mvaddstr(PYBASE - 2, PXBASE + 5, "Main Board"); (void) mvaddstr(PYBASE - 1, PXBASE - 3, numbers); for (i = 0; i < BDEPTH; ++i) { (void) mvaddch(PYBASE + i, PXBASE - 3, (chtype) (i + 'A')); #ifdef A_COLOR if (has_colors()) attron(COLOR_PAIR(COLOR_BLUE)); #endif /* A_COLOR */ (void) addch(' '); for (j = 0; j < BWIDTH; j++) (void) addstr(" . "); #ifdef A_COLOR (void) attrset(0); #endif /* A_COLOR */ (void) addch(' '); (void) addch((chtype) (i + 'A')); } (void) mvaddstr(PYBASE + BDEPTH, PXBASE - 3, numbers); (void) mvaddstr(CYBASE - 2, CXBASE + 7, "Hit/Miss Board"); (void) mvaddstr(CYBASE - 1, CXBASE - 3, numbers); for (i = 0; i < BDEPTH; ++i) { (void) mvaddch(CYBASE + i, CXBASE - 3, (chtype) (i + 'A')); #ifdef A_COLOR if (has_colors()) attron(COLOR_PAIR(COLOR_BLUE)); #endif /* A_COLOR */ (void) addch(' '); for (j = 0; j < BWIDTH; j++) (void) addstr(" . "); #ifdef A_COLOR (void) attrset(0); #endif /* A_COLOR */ (void) addch(' '); (void) addch((chtype) (i + 'A')); } (void) mvaddstr(CYBASE + BDEPTH, CXBASE - 3, numbers); (void) mvprintw(HYBASE, HXBASE, "To position your ships: move the cursor to a spot, then"); (void) mvprintw(HYBASE + 1, HXBASE, "type the first letter of a ship type to select it, then"); (void) mvprintw(HYBASE + 2, HXBASE, "type a direction ([hjkl] or [4862]), indicating how the"); (void) mvprintw(HYBASE + 3, HXBASE, "ship should be pointed. You may also type a ship letter"); (void) mvprintw(HYBASE + 4, HXBASE, "followed by `r' to position it randomly, or type `R' to"); (void) mvprintw(HYBASE + 5, HXBASE, "place all remaining ships randomly."); (void) mvaddstr(MYBASE, MXBASE, "Aiming keys:"); (void) mvaddstr(SYBASE, SXBASE, "y k u 7 8 9"); (void) mvaddstr(SYBASE + 1, SXBASE, " \\|/ \\|/ "); (void) mvaddstr(SYBASE + 2, SXBASE, "h-+-l 4-+-6"); (void) mvaddstr(SYBASE + 3, SXBASE, " /|\\ /|\\ "); (void) mvaddstr(SYBASE + 4, SXBASE, "b j n 1 2 3"); /* have the computer place ships */ for (ss = cpuship; ss < cpuship + SHIPTYPES; ss++) { randomplace(COMPUTER, ss); placeship(COMPUTER, ss, FALSE); } ss = (ship_t *) NULL; do { char c, docked[SHIPTYPES + 2], *cp = docked; /* figure which ships still wait to be placed */ *cp++ = 'R'; for (i = 0; i < SHIPTYPES; i++) if (!plyship[i].placed) *cp++ = plyship[i].symbol; *cp = '\0'; /* get a command letter */ prompt(1, "Type one of [%s] to pick a ship.", docked + 1); do { c = (char) getcoord(PLAYER); } while (!strchr(docked, c)); if (c == 'R') (void) ungetch('R'); else { /* map that into the corresponding symbol */ for (ss = plyship; ss < plyship + SHIPTYPES; ss++) if (ss->symbol == c) break; prompt(1, "Type one of [hjklrR] to place your %s.", ss->name); pgoto(cury, curx); } do { c = (char) getch(); } while (!(strchr("hjklrR", c) || c == FF)); if (c == FF) { (void) clearok(stdscr, TRUE); (void) refresh(); } else if (c == 'r') { assert(ss != 0); prompt(1, "Random-placing your %s", ss->name); randomplace(PLAYER, ss); placeship(PLAYER, ss, TRUE); error((char *) NULL); ss->placed = TRUE; } else if (c == 'R') { prompt(1, "Placing the rest of your fleet at random...", ""); for (ss = plyship; ss < plyship + SHIPTYPES; ss++) if (!ss->placed) { randomplace(PLAYER, ss); placeship(PLAYER, ss, TRUE); ss->placed = TRUE; } error((char *) NULL); } else if (strchr("hjkl8462", c)) { assert(ss != 0); ss->x = curx; ss->y = cury; switch (c) { case 'k': case '8': ss->dir = N; break; case 'j': case '2': ss->dir = S; break; case 'h': case '4': ss->dir = W; break; case 'l': case '6': ss->dir = E; break; } if (checkplace(PLAYER, ss, TRUE)) { placeship(PLAYER, ss, TRUE); error((char *) NULL); ss->placed = TRUE; } } for (unplaced = i = 0; i < SHIPTYPES; i++) unplaced += !plyship[i].placed; } while (unplaced); turn = rnd(2); (void) mvprintw(HYBASE, HXBASE, "To fire, move the cursor to your chosen aiming point "); (void) mvprintw(HYBASE + 1, HXBASE, "and strike any key other than a motion key. "); (void) mvprintw(HYBASE + 2, HXBASE, " "); (void) mvprintw(HYBASE + 3, HXBASE, " "); (void) mvprintw(HYBASE + 4, HXBASE, " "); (void) mvprintw(HYBASE + 5, HXBASE, " "); (void) prompt(0, "Press any key to start...", ""); (void) getch(); }