Bake cake in 9 x 13 pan and cool. Break cooled cake into small pieces and place in bottom of punch bowl. Make 1 box pudding according to directions on box. Pour over cake. Spread 1 can Cherry Pie Filling over this. Spread 1 can crushed pineapple over this. Spread half of cool whip over this. Repeat the entire process. Sprinkle nuts on top. Chill. Feeds 20 to 30 people.