/* $OpenBSD: fancy.c,v 1.12 2009/10/27 23:59:23 deraadt Exp $ */ /* * Copyright (c) 1980, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include "back.h" int oldb[] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; int oldr, oldw; void fboard() { int i, j, k, l; /* could use box() or wborder() instead of the following */ move(0, 0); /* do top line */ for (i = 0; i < 53; i++) addch('_'); move(15, 0); /* do bottom line */ for (i = 0; i < 53; i++) addch('_'); l = 1; /* do vertical lines */ for (i = 52; i > -1; i -= 28) { k = (l == 1 ? 1 : 15); mvaddch(k, i, '|'); for (j = 0; j < 14; j++) mvaddch(k += l, i, '|'); if (i == 24) i += 32; l = -l; /* alternate directions */ } /* label positions */ for (i = 13; i < 19; i++) mvprintw(2, 1 + (i - 13) * 4, "%d", i); for (i = 19; i < 25; i++) mvprintw(2, 29 + (i - 19) * 4, "%d", i); for (i = 12; i > 6; i--) mvprintw(14, 1 + (12 - i) * 4, "%2d", i); for (i = 6; i > 0; i--) mvprintw(14, 30 + (6 - i) * 4, "%d", i); /* print positions 12-7 */ for (i = 12; i > 6; i--) if (board[i]) bsect(board[i], 13, 1 + 4 * (12 - i), -1); /* print red men on bar */ if (board[0]) bsect(board[0], 13, 25, -1); /* print positions 6-1 */ for (i = 6; i > 0; i--) if (board[i]) bsect(board[i], 13, 29 + 4 * (6 - i), -1); /* print white's home */ l = (off[1] < 0 ? off[1] + 15 : off[1]); bsect(l, 3, 54, 1); mvaddstr(8, 25, "BAR"); /* print positions 13-18 */ for (i = 13; i < 19; i++) if (board[i]) bsect(board[i], 3, 1 + 4 * (i - 13), 1); /* print white's men on bar */ if (board[25]) bsect(board[25], 3, 25, 1); /* print positions 19-24 */ for (i = 19; i < 25; i++) if (board[i]) bsect(board[i], 3, 29 + 4 * (i - 19), 1); /* print red's home */ l = (off[0] < 0 ? off[0] + 15 : off[0]); bsect(-l, 13, 54, -1); for (i = 0; i < 26; i++)/* save board position for refresh later */ oldb[i] = board[i]; oldr = (off[1] < 0 ? off[1] + 15 : off[1]); oldw = -(off[0] < 0 ? off[0] + 15 : off[0]); } /* * bsect (b,rpos,cpos,cnext) * Print the contents of a board position. "b" has the value of the * position, "rpos" is the row to start printing, "cpos" is the column to * start printing, and "cnext" is positive if the position starts at the top * and negative if it starts at the bottom. The value of "cpos" is checked * to see if the position is a player's home, since those are printed * differently. */ void bsect(b, rpos, cpos, cnext) int b; /* contents of position */ int rpos; /* row of position */ int cpos; /* column of position */ int cnext; /* direction of position */ { int j; /* index */ int n; /* number of men on position */ int bct; /* counter */ int k; /* index */ char pc; /* color of men on position */ n = abs(b); /* initialize n and pc */ pc = (b > 0 ? 'r' : 'w'); if (n < 6 && cpos < 54) /* position cursor at start */ move(rpos, cpos + 1); else move(rpos, cpos); for (j = 0; j < 5; j++) { /* print position row by row */ for (k = 0; k < 15; k += 5) /* print men */ if (n > j + k) addch(pc); if (j < 4) { /* figure how far to back up for next row */ if (n < 6) { /* stop if none left */ if (j + 1 == n) break; bct = 1; /* single column */ } else { if (n < 11) { /* two columns */ if (cpos >= 54) { /* home pos */ if (j + 5 >= n) bct = 1; else bct = 2; } else { /* not home */ if (j + 6 >= n) bct = 1; else bct = 2; } } else { /* three columns */ if (j + 10 >= n) bct = 2; else bct = 3; } } getyx(stdscr, rpos, cpos); move(rpos + cnext, cpos - bct); } } } void moveplayers() { int i, r, c; getyx(stdscr, r, c); for (i = 12; i > 6; i--)/* fix positions 12-7 */ if (board[i] != oldb[i]) { fixpos(oldb[i], board[i], 13, 1 + (12 - i) * 4, -1); oldb[i] = board[i]; } if (board[0] != oldb[0]) { /* fix red men on bar */ fixpos(oldb[0], board[0], 13, 25, -1); oldb[0] = board[0]; } for (i = 6; i > 0; i--) /* fix positions 6-1 */ if (board[i] != oldb[i]) { fixpos(oldb[i], board[i], 13, 29 + (6 - i) * 4, -1); oldb[i] = board[i]; } i = -(off[0] < 0 ? off[0] + 15 : off[0]); /* fix white's home */ if (oldw != i) { fixpos(oldw, i, 13, 54, -1); oldw = i; } for (i = 13; i < 19; i++) /* fix positions 13-18 */ if (board[i] != oldb[i]) { fixpos(oldb[i], board[i], 3, 1 + (i - 13) * 4, 1); oldb[i] = board[i]; } if (board[25] != oldb[25]) { /* fix white men on bar */ fixpos(oldb[25], board[25], 3, 25, 1); oldb[25] = board[25]; } for (i = 19; i < 25; i++) /* fix positions 19-24 */ if (board[i] != oldb[i]) { fixpos(oldb[i], board[i], 3, 29 + (i - 19) * 4, 1); oldb[i] = board[i]; } i = (off[1] < 0 ? off[1] + 15 : off[1]); /* fix red's home */ if (oldr != i) { fixpos(oldr, i, 3, 54, 1); oldr = i; } move(r, c); /* return to saved position */ refresh(); } void fixpos(old, new, r, c, inc) int old, new, r, c, inc; { int o, n, nv; int ov, nc; char col; nc = 0; if (old * new >= 0) { ov = abs(old); nv = abs(new); col = (old + new > 0 ? 'r' : 'w'); o = (ov - 1) / 5; n = (nv - 1) / 5; if (o == n) { if (o == 2) nc = c + 2; if (o == 1) nc = c < 54 ? c : c + 1; if (o == 0) nc = c < 54 ? c + 1 : c; if (ov > nv) fixcol(r + inc * (nv - n * 5), nc, abs(ov - nv), ' ', inc); else fixcol(r + inc * (ov - o * 5), nc, abs(ov - nv), col, inc); return; } else { if (c < 54) { if (o + n == 1) { if (n) { fixcol(r, c, abs(nv - 5), col, inc); if (ov != 5) fixcol(r+inc*ov, c+1, abs(ov-5), col, inc); } else { fixcol(r, c, abs(ov - 5), ' ', inc); if (nv != 5) fixcol(r+inc*nv, c+1, abs(nv-5), ' ', inc); } return; } if (n == 2) { if (ov != 10) fixcol(r+inc*(ov-5), c, abs(ov-10), col, inc); fixcol(r, c + 2, abs(nv - 10), col, inc); } else { if (nv != 10) fixcol(r+inc*(nv-5), c, abs(nv-10), ' ', inc); fixcol(r, c + 2, abs(ov - 10), ' ', inc); } return; } if (n > o) { fixcol(r+inc*(ov%5), c+o, abs(5*n-ov), col, inc); if (nv != 5 * n) fixcol(r, c+n, abs(5*n-nv), col, inc); } else { fixcol(r+inc*(nv%5), c+n, abs(5*n-nv), ' ', inc); if (ov != 5 * o) fixcol(r, c+o, abs(5*o-ov), ' ', inc); } return; } } nv = abs(new); fixcol(r, c + 1, nv, new > 0 ? 'r' : 'w', inc); if (abs(old) <= abs(new)) return; fixcol(r + inc * new, c + 1, abs(old + new), ' ', inc); } void fixcol(r, c, l, ch, inc) int r, c, l, ch, inc; { int i; mvaddch(r, c, ch); for (i = 1; i < l; i++) { r += inc; mvaddch(r, c, ch); } } void initcurses() { initscr(); cbreak(); noecho(); keypad(stdscr, TRUE); nl(); clear(); if ((LINES < 24) || (COLS < 80)) { endwin(); errx(1, "screen must be at least 24x80."); } }