Enum for the command table; cleanup warnings and comments from the previous commit
Merge pull request #264 from qcz/wip-stafflist-cleanup

Enum for the game command table; cleanup warnings and comments from window_staff.c
﻿Decompile of rain-drawing functions

Light rain function at position 0x00684114
Heavy rain function at position 0x0068416D
Function array at position 0x009AC058
Avoid passing uint32 function address. Instead use the array index.
Merge pull request #265 from marcotc/rain

﻿Decompile of rain-drawing functions
Added very rough 0x684027 function
Cleaned up 684027

Not tested.
Fix compile mistakes