if (cave[x+1][y-1] == Xblank)
cave[x+1][y-1] = Xsplash_e;
if (cave[x-1][y-1] == Xblank)
cave[x-1][y-1] = Xsplash_w;
play_element_sound(x, y, SOUND_acid, Xacid_1);
if (cave[x+1][y-1] == Xblank)
cave[x+1][y-1] = Xsplash_e;
if (cave[x-1][y-1] == Xblank)
cave[x-1][y-1] = Xsplash_w;
play_element_sound(x, y, SOUND_acid, Xacid_1);