Make RCT2 know if LodePNG failed
Save screenshots when PrintScreen is pressed
Merge pull request #256 from adrian17/screenshots

Save screenshots when PrintScreen is pressed
started decompile of paint quadrant function
Fixed compile error added reference to address
Decompiled to end of sprite draw.
Split the paint functions
Started decompiling litter paint prep function
Added start of one rotations setup
Started decompile of actual draw function
Added more to draw code.

Still requires huge rewrite. Probably does not compile. Require to work out the structures pointed to by esi and ebp.
Started adding new paint_struct