CLASS ctx net/minecraft/client/render/GuiLighting
	FIELD a buffer Ljava/nio/FloatBuffer;
	FIELD b towardLight Lb;
	FIELD c oppositeLight Lb;
	METHOD a disable ()V
	METHOD a createNormalVector (FFF)Lb;
	METHOD a singletonBuffer (FFFF)Ljava/nio/FloatBuffer;
	METHOD b enable ()V
	METHOD c enableForItems ()V
