Textures on walls

[Tosti]

Hey guys, i've made a script which should apply textures on wall on both sides. Problem is that only one side of wall has applied texture and don't know why. Maybe i did some mistake in code.

http://pastebin.com/Ju47WaMD

[ViRuZGamiing]

Not familiar with textures but maybe wrap helps?

dxSetTextureEdge

[Tete omar]

Locked upon OP's request