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/*
* Atom-4 main program
* ---------------------------------------------------------------------------
* $Id: atom4.cc,v 1.10 2003/03/12 15:35:50 hsteoh Exp hsteoh $
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h> // for time()
#include <unistd.h> // for getopt()
#include "ai.h"
#include "event.h"
#include "exception.h"
#include "game.h"
#include "interface.h"
#include "textui.h"
#include "xatom4.h"
#include "xutil.h"
#define BOARD_WIDTH 16
#define BOARD_HEIGHT 16
enum game_mode { AUTO_MODE=0, NCURSES_MODE, X11_MODE };
void seed_rand() {
srand((unsigned int)time(NULL));
}
interface *init_ui(game_mode mode, int iface_opts, atom4 *engine,
eventloop *loop, int *exitflag) { // [O]([R],[R])
switch (mode) {
case X11_MODE:
// NULL = use $env{DISPLAY}
return new x11ui(NULL, engine, loop, exitflag);
case NCURSES_MODE:
return new ncurses_ui(engine, loop, exitflag, iface_opts);
default:
fprintf(stderr, "Internal error: unknown interface mode\n");
exit(-1);
}
}
void display_help() {
fprintf(stderr,
"Syntax: atom4 [options]\n"
"Options:\n"
" -a<n> Enable AI player as player <n>\n"
" -c [NCURSES] Enable color (if your terminal supports it)\n"
" -d<n> [AI] Set difficulty level (0=easiest, 2=default (harder), ...)\n"
" -h Show this help\n"
" -mt Use text mode (NCURSES)\n"
" -mx Use X11 mode\n"
);
exit(1);
}
int main(int argc, char *argv[]) {
game_mode mode=AUTO_MODE;
int iface_opts=0, ai_player=0, ai_level=2;
int ch;
while ((ch=getopt(argc, argv, "a:cd:hm:")) != -1) {
switch (ch) {
case 'a':
if (*optarg=='1') ai_player=1;
else if (*optarg=='2') ai_player=2;
else {
fprintf(stderr, "Bad AI player spec: %s\n", optarg);
exit(1);
}
break;
case 'c': iface_opts |= ncurses_ui::ENABLE_COLOR; break;
case 'd': ai_level = atoi(optarg); break;
case 'm':
if (!strcmp(optarg, "t")) {
mode = NCURSES_MODE;
} else if (!strcmp(optarg, "x")) {
mode = X11_MODE;
} else {
fprintf(stderr, "Unknown mode spec: %s\n", optarg);
exit(1);
}
break;
case '?': case 'h': default:
display_help(); // never returns
}
}
// Auto mode: run X11 interface if $DISPLAY is set, otherwise run ncurses
// interface.
if (mode == AUTO_MODE) {
char *xdisplay = getenv("DISPLAY");
mode = (xdisplay) ? X11_MODE : NCURSES_MODE;
}
// Initialize game engine & event loop
try {
eventloop mainloop;
atom4 *game_engine;
seed_rand();
if (ai_player) {
fprintf(stderr, "Initializing AI as player %d\n", ai_player);
game_engine = new atom4ai(&mainloop, BOARD_WIDTH, BOARD_HEIGHT,
ai_player);
fprintf(stderr, "Setting AI difficulty as %d\n", ai_level);
((atom4ai*)game_engine)->set_search_depth(ai_level);
} else {
game_engine = new atom4local(BOARD_WIDTH, BOARD_HEIGHT);
}
int exitflag=0;
interface *ui = init_ui(mode, iface_opts, game_engine, &mainloop,
&exitflag);
// Main loop
try {
mainloop.run(&exitflag);
} catch(...) {
delete ui;
throw;
}
delete ui;
} catch(exception &e) {
fprintf(stderr, "Exception: %s\n", e.message());
exit(1);
}
fprintf(stderr, "Exiting normally\n");
return 0;
}
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