void peekRight()
{
M->xPeekIs(MY_X_LOC);
M->yPeekIs(MY_Y_LOC);
M->dirPeekIs(MY_DIR);
switch(MY_DIR) {
case NORTH: if (!M->maze_[MY_X_LOC+1][MY_Y_LOC]) {
M->xPeekIs(MY_X_LOC + 1);
M->dirPeekIs(EAST);
}
break;
case SOUTH: if (!M->maze_[MY_X_LOC-1][MY_Y_LOC]) {
M->xPeekIs(MY_X_LOC - 1);
M->dirPeekIs(WEST);
}
break;
case EAST: if (!M->maze_[MY_X_LOC][MY_Y_LOC+1]) {
M->yPeekIs(MY_Y_LOC + 1);
M->dirPeekIs(SOUTH);
}
break;
case WEST: if (!M->maze_[MY_X_LOC][MY_Y_LOC-1]) {
M->yPeekIs(MY_Y_LOC - 1);
M->dirPeekIs(NORTH);
}
break;
default:
MWError("bad direction in PeekRight");
}
/* if any change, display the new view without moving! */
if ((M->xPeek() != MY_X_LOC) || (M->yPeek() != MY_Y_LOC)) {
M->peekingIs(TRUE);
updateView = TRUE;
}
}
void peekStop()
{
M->peekingIs(FALSE);
updateView = TRUE;
}