R_StoreWallRange was split into:
R_RemoveOpeningLimitsR_CalculateWallScaleR_WorldTopAndBottomR_StoreWallSilhouetteR_CheckWallTexturesR_CheckMaskedTexturesR_SegTexturedR_WorldStepR_WorldLightListsR_WorldFFloorStepR_WorldBackStepR_MarkPlanesR_RenderMaskedSegRange was split into:
R_MaskedLightListsR_RenderMaskedSegLoopR_RenderThickSideRange was split into:
R_ThickLightListsR_ThickStepping (ESLOPE only)R_RenderThickSegLoopAlso, some experimental stuff in R_CalculateSegDistance.