Put the summary of the bug you're having here When I launched into my world everything was cut and moved around

What I expected to happen was...:
Describe what you thought should happen here Was to launch into my normal world

What actually happened was...:
Describe what happened here everything was cut in half and was moved around or some stuff just disappeared 

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ... do not log out of Minecraft for 8 to 10 hours and computer shuts off automatically 
3. ...