What does this dream mean??

last night,i had a dream where i was sleeping and in the dream i kept waking up ,in one dream i dreamt me and my dad where at a chinese resteraunt eating and we were in china or japan?that me and my daddy where sitting outside my school and there where other people there to i dont know what was going on .i guess we were waiting for something.then i was lookin in the sky and i saw the moon moving from one end of the sky to another and then it turned red and as soon as i was about to ask my dad wat was going on ,this big crocodile came from off the side of my school(by the high school)and then we were running through the field behind my school and we saw a walmart so we decideed to go in it to get some stuff to survive then we went iin and people was luting walmart and some woman was like you have to pay for that and then people where running around and i was like okay w/e then i woke up