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; }