gistfile1.c

#include <stdio.h>
#include <curses.h>

#define H 22
#define W 79

#define OFF 1

#define C_YOU '@'
#define C_WALL '#'
#define C_FLOOR '.'

#define WALL 0
#define FLOOR 1

void start_curses();
void stop_curses();
void init_level();
void main_loop();

int level[W][H];

void start_curses(){
	initscr();
	noecho();
	cbreak();
}

void stop_curses(){
	endwin();
}

void init_level(){
	int x = 0;
	int y = 0;

	for(x = 0;x <= W;++x){
		for(y = 0;y <= H;++y){
			level[x][y] = WALL;
		}
	}
	for(x = 1;x < W;++x){
		for(y = 1;y < H;++y){
			level[x][y] = FLOOR;
		}
	}
}

void main_loop(){
	int k;
	int x, y;
	int px, py;
	int px2, py2;

	char pos[10];

	k = x = y = 0;

	px = py = 5;
	px2 = py2 = 5;

	do {
		if(k == 0){
			++k;
		}else{
			k = getch();
		}

		if(k == 'h' || k == '4')
			--px2;
		else if(k == 'l' || k == '6')
			++px2;
		else if(k == 'j' || k == '2')
			++py2;
		else if(k == 'k' || k == '8')
			--py2;

		else if(k == 'y' || k == '7'){
			--px2;--py2;
		}
		else if(k == 'u' || k == '9'){
			++px2;--py2;
		}
		else if(k == 'b' || k == '1'){
			--px2;++py2;
		}
		else if(k == 'n' || k == '3'){
			++px2;++py2;
		}


		if(level[px2][py2] == FLOOR){
			px = px2;
			py = py2;
		}else{
			px2 = px;
			py2 = py;
		}

		for(x = 0;x <= W;++x){
			for(y = 0;y <= H;++y){
				mvaddch(OFF + y,x,level[x][y]?C_FLOOR:C_WALL);
			}
		}

		mvaddstr(OFF + 10,10,"Hello, world of C roguelikes!");

		sprintf(pos, "%d : %d",px,py);
		mvaddstr(0,0,pos);

		mvaddch(OFF + py,px,C_YOU);
		mvaddch(OFF + py,px + 1,'\b');
	} while(k != 'q');
}

int main(void){
	start_curses();
	init_level();
	main_loop();
	stop_curses();
	return 0;
}