[CS:GO] Bug - Lightmapped4way problem

[THE_Sito]

Hello! New here, but definitely not to mapping. I've been mapping for over a decade at this point. I recently returned to Source engine after a long time in UE and it's been well...challenging. One of the issues I'm facing is with Lightmapped4way materials for displacements. There's this strange error where, if a displacement is viewed at a certain angle, the fourth texture (ALWAYS the fourth) gets very dark, and turns either brown or a muddy blue. There also looks to be some other texture mapped onto it, I sometimes see striations. I've checked the .vmt and couldn't find anything off about it.

As you can see, the problem is pretty glaring.

Here is my vmt:
 

Quote

 

Lightmapped_4WayBlend
{
    "$basetexture"              "militia_classic/rockblend01"
    "$surfaceprop"              "rock"
    "$texture1_lumstart"        "0.0"
    "$texture1_lumend"          "0.5"

    "$basetexture2"             "militia_classic/sand01"
    "$surfaceprop2"              "sand"
    "$texture2_lumstart"        "0.0"
    "$texture2_lumend"          "0.5"
    "$texture2_blendmode"       "0"
    "$texture2_blendstart"      "0.8"
    "$texture2_blendend"        "0.9"
    "$texture2_uvscale"         "[1.0 1.0]"

    "$basetexture3"             "militia_classic/sand02"
    "$surfaceprop3"              "sand"
    "$texture3_blendmode"       "0"
    "$texture3_uvscale"         "[2.0 2.0]"
    "$texture3_lumstart"        "0.0"
    "$texture3_lumend"          "0.05"
    "$texture3_blendstart"      "0.8"
    "$texture3_blendend"        "1.0"

    "$basetexture4"             "militia_classic/sand03"
    "$surfaceprop4"              "sand"
    "$texture4_blendmode"       "0"
    "$texture4_uvscale"         "[2.0 2.0]"
    "$texture4_lumstart"        "0.0"
    "$texture4_lumend"          "0.2"
    "$texture4_blendstart"      "0.9"
    "$texture4_blendend"        "1.0"

    "$lumblendfactor2"          "0.5"
    "$lumblendfactor3"          "0.7"
    "$lumblendfactor4"          "0.4"
}

 

 

Any help is greatly appreciated. I'll definitely stick around and help whoever I can with their issues. Cheers!

 

[borgking]

Had a similar bug. I fixed it with looking at other 4wb materials, and using all parameters they used. My observation was that propably the missing detail  texture might lead to the problem, but it could be another value that I didn't recognize that I changed.

Quote

        "$detail"              "detail\dt_stone1"
       "$detailscale"         "[8 8 8]"
        "$detailblendfactor"   ".5"
        "$detailblendfactor2"  ".3"
        "$detailblendfactor3"  "0"
        "$detailblendfactor4"  "0"