static void DelOnePices( void )
{
pices--;
if ( pices < 0 )
pices=0;
FBPaintPixel( STATUS_X+pices, STATUS_Y, BLACK );
FBPaintPixel( STATUS_X+pices, STATUS_Y+1, BLACK );
FBPaintPixel( STATUS_X+pices, STATUS_Y+2, BLACK );
FBPaintPixel( STATUS_X+pices, STATUS_Y+3, BLACK );
if ( !pices ) {
gametime=timeleft;
score+=gametime;
}
}
void MovePac( void )
{
static int cd = 40;
if ( !pices ) {
cd--;
if ( !cd ) {
doexit=2;
return;
}
} else
cd=40;
timeleft--;
if ( !(timeleft%TPF) ) {
FBPaintPixel( STATUS_X+(timeleft/TPF), STATUS_Y+6, BLACK );
FBPaintPixel( STATUS_X+(timeleft/TPF), STATUS_Y+7, BLACK );
FBPaintPixel( STATUS_X+(timeleft/TPF), STATUS_Y+8, BLACK );
FBPaintPixel( STATUS_X+(timeleft/TPF), STATUS_Y+9, BLACK );
}
if ( !timeleft ) {
doexit=1;
return;
}
if (( pac.x_minor == 0 ) && ( pac.y_minor == 0 )) {
switch ( actcode ) {
case RC_UP :
if ( maze[ (pac.y-1) * MAZEW + pac.x ] != '#' )
pac.look=2;
break;
case RC_DOWN :
if ( maze[ (pac.y+1) * MAZEW + pac.x ] != '#' )
pac.look=3;
break;
case RC_RIGHT :
if ( maze[ pac.y * MAZEW + pac.x + 1 ] != '#' )
pac.look=0;
break;
case RC_LEFT :
if ( maze[ pac.y * MAZEW + pac.x - 1 ] != '#' )
pac.look=1;
break;
}
}
switch ( pac.look ) {
case 0 : /* right */
if ( pac.x_minor == 30 ) {
pac.x_minor = 0;
pac.x++;
} else {
if ( pac.x_minor == 0 ) { /* next field */
if ( maze[ pac.y * MAZEW + pac.x + 1 ] != '#' ) {
pac.x_minor+=2;
}
} else {
if ( pac.x_minor == 16 ) {
if ( maze[ pac.y * MAZEW + pac.x + 1 ] == '.' ) {
DelOnePices();
}
maze[ pac.y * MAZEW + pac.x + 1 ] = ' ';
}
pac.x_minor+=2;
}
}
break;
case 1 : /* left */
if ( pac.x_minor > 0 ) {
pac.x_minor-=2;
if ( pac.x_minor == 16 ) {
if ( maze[ pac.y * MAZEW + pac.x ] == '.' ) {
DelOnePices();
}
maze[ pac.y * MAZEW + pac.x ] = ' ';
}
} else {
if ( maze[ pac.y * MAZEW + pac.x - 1 ] != '#' ) {
pac.x_minor=30;
pac.x--;
}
}
break;
case 2 : /* up */
if ( pac.y_minor > 0 ) {
pac.y_minor-=2;
if ( pac.y_minor == 16 ) {
if ( maze[ pac.y * MAZEW + pac.x ] == '.' ) {
DelOnePices();
}
maze[ pac.y * MAZEW + pac.x ] = ' ';
}
} else {
if ( maze[ (pac.y-1) * MAZEW + pac.x ] != '#' ) {
pac.y_minor=30;
pac.y--;
}
}
break;
case 3 : /* down */
if ( pac.y_minor == 30 ) {
pac.y_minor = 0;
pac.y++;
} else {
if ( pac.y_minor == 0 ) { /* next field */
if ( maze[ (pac.y+1) * MAZEW + pac.x ] != '#' ) {
pac.y_minor+=2;
}
} else {
if ( pac.y_minor == 16 ) {
if ( maze[ (pac.y+1) * MAZEW + pac.x ] == '.' ) {
DelOnePices();
}
maze[ (pac.y+1) * MAZEW + pac.x ] = ' ';
}
pac.y_minor+=2;
}
}
break;
}
}
void RenderLine( int xa, int ya, int xb, int yb, int width, int farbe )
{
int dx = abs (xa - xb);
int dy = abs (ya - yb);
int x;
int y;
int End;
int step;
if ( dx > dy )
{
int p = 2 * dy - dx;
int twoDy = 2 * dy;
int twoDyDx = 2 * (dy-dx);
if ( xa > xb )
{
x = xb;
y = yb;
End = xa;
step = ya < yb ? -1 : 1;
}
else
{
x = xa;
y = ya;
End = xb;
step = yb < ya ? -1 : 1;
}
FBPaintPixel (x, y,width, farbe);
while( x < End )
{
x++;
if ( p < 0 )
p += twoDy;
else
{
y += step;
p += twoDyDx;
}
FBPaintPixel (x, y,width, farbe);
}
}
else
{
int p = 2 * dx - dy;
int twoDx = 2 * dx;
int twoDxDy = 2 * (dx-dy);
if ( ya > yb )
{
x = xb;
y = yb;
End = ya;
step = xa < xb ? -1 : 1;
}
else
{
x = xa;
y = ya;
End = yb;
step = xb < xa ? -1 : 1;
}
FBPaintPixel (x, y,width, farbe);
while( y < End )
{
y++;
if ( p < 0 )
p += twoDx;
else
{
x += step;
p += twoDxDy;
}
FBPaintPixel (x, y,width, farbe);
}
}
}
