Exposed floor/ceiling offsets and light reference to Lua.

Floor variables from sector_t

Name	Type	Accessibility	Description/Notes
floorxoffset	fixed_t	Read+Write	The X coordinate of sectors' floor texture in the map, in fracunits.
flooryoffset	fixed_t	Read+Write	The Y coordinate of sectors' floor texture in the map, in fracunits.
floorangle	angle_t	Read+Write	The angle of sectors' floor texture in the map. in degrees
floorlightsec	int32	Read+Write	Reference to the other sector's light level on the floor.

Ceiling variables from sector_t

Name	Type	Accessibility	Description/Notes
ceilingxoffset	fixed_t	Read+Write	The X coordinate of sectors' ceiling texture in the map, in fracunits.
ceilingyoffset	fixed_t	Read+Write	The Y coordinate of sectors' ceiling texture in the map, in fracunits.
ceilingangle	angle_t	Read+Write	The angle of sectors' floor texture in the map. in degrees
ceilinglightsec	int32	Read+Write	Reference to the other sector's light level on the ceiling.

srb2win-lua-texture-offsets-expose.exe test.lua