Thursday, August 7, 2014

[Unreal Engine 4] Automated Terrain Texturing

In this post I'm going through some material setups to auto-texture a landscape. This can be very handy for landscapes sculpted inside the editor or for any kind of prototyping. Personally I've been using this technique for quickly testing many different landscapes coming from an external terrain generation software.


For the automated texturing I'm using 2 common methods: blending textures based on slope and blending based on height.


Slope Blending

Slope blending is based on the blue channel of the world space normals.
For the material setup below keep in mind that the 'Angle' parameter has a range of 0-1 which translates to 0°-90°.
0.25 as in this example means Texture B would show up for areas where the slope of the terrain is 77,5° (=1-0.25)*90) or more, Texture A would be mapped to areas with a slope ranging from 0° to 77,5°.




Height Blending

Height blending is based on the blue channel of the absolute world position. The 'Height' and 'HeightFalloff' parameters are world space values.




Combining Both Methods

For some more advanced texture blending you might want to combine both approaches.

1.) In this example I want to blend grass and rocks based on slope. However I don't want the grass to show up on top of the mountains, so I'm using an additional height blend as well.





2.) Another example would be some snow on top of the mountains. Using only a height blend would look pretty unnatural, that's why I'm adding a slope blend which gives a more realistic look.
 


Example

My basic material is blending between 2 types of grass (height blending) and 2 types of rock (slope blending).




For the advanced material I've added an additional height blend for some sand when there is supposed to be a lake or ocean and a snow blend (height+slope combined):





Download

Well, no download here... all you need to do is copy and paste the code below to your material to get the same nodes as in the advanced example:


Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_200"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3617"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3616"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3615"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3614"
   End Object
   Begin Object Class=MaterialExpressionLinearInterpolate Name="MaterialExpressionLinearInterpolate_21"
   End Object
   Begin Object Name="EdGraphPin_3617"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_Root_2.EdGraphPin_3591"'
   End Object
   Begin Object Name="EdGraphPin_3616"
      PinName="Alpha"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_282.EdGraphPin_3810"'
   End Object
   Begin Object Name="EdGraphPin_3615"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_251.EdGraphPin_3735"'
   End Object
   Begin Object Name="EdGraphPin_3614"
      PinName="A"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_201.EdGraphPin_3621"'
   End Object
   Begin Object Name="MaterialExpressionLinearInterpolate_21"
      A=(Expression=MaterialExpressionLinearInterpolate'"MaterialGraphNode_201.MaterialExpressionLinearInterpolate_22"')
      B=(Expression=MaterialExpressionConstant3Vector'"MaterialGraphNode_251.MaterialExpressionConstant3Vector_26"')
      Alpha=(Expression=MaterialExpressionPower'"MaterialGraphNode_282.MaterialExpressionPower_14"')
      MaterialExpressionEditorX=-176
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionLinearInterpolate'MaterialExpressionLinearInterpolate_21'
   Pins(0)=EdGraphPin'EdGraphPin_3614'
   Pins(1)=EdGraphPin'EdGraphPin_3615'
   Pins(2)=EdGraphPin'EdGraphPin_3616'
   Pins(3)=EdGraphPin'EdGraphPin_3617'
   NodePosX=-176
   NodeGuid=685B85D844CE0652C97A3C99BF97174B
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_201"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3621"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3620"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3619"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3618"
   End Object
   Begin Object Class=MaterialExpressionLinearInterpolate Name="MaterialExpressionLinearInterpolate_22"
   End Object
   Begin Object Name="EdGraphPin_3621"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_200.EdGraphPin_3614"'
   End Object
   Begin Object Name="EdGraphPin_3620"
      PinName="Alpha"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_225.EdGraphPin_3676"'
   End Object
   Begin Object Name="EdGraphPin_3619"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_222.EdGraphPin_3669"'
   End Object
   Begin Object Name="EdGraphPin_3618"
      PinName="A"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_202.EdGraphPin_3625"'
   End Object
   Begin Object Name="MaterialExpressionLinearInterpolate_22"
      A=(Expression=MaterialExpressionLinearInterpolate'"MaterialGraphNode_202.MaterialExpressionLinearInterpolate_23"')
      B=(Expression=MaterialExpressionConstant3Vector'"MaterialGraphNode_222.MaterialExpressionConstant3Vector_23"')
      Alpha=(Expression=MaterialExpressionPower'"MaterialGraphNode_225.MaterialExpressionPower_13"')
      MaterialExpressionEditorX=-368
      MaterialExpressionEditorY=-192
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionLinearInterpolate'MaterialExpressionLinearInterpolate_22'
   Pins(0)=EdGraphPin'EdGraphPin_3618'
   Pins(1)=EdGraphPin'EdGraphPin_3619'
   Pins(2)=EdGraphPin'EdGraphPin_3620'
   Pins(3)=EdGraphPin'EdGraphPin_3621'
   NodePosX=-368
   NodePosY=-192
   NodeGuid=C9D116674874B161A0AAD398E16B88A2
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_202"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3625"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3624"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3623"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3622"
   End Object
   Begin Object Class=MaterialExpressionLinearInterpolate Name="MaterialExpressionLinearInterpolate_23"
   End Object
   Begin Object Name="EdGraphPin_3625"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_201.EdGraphPin_3618"'
   End Object
   Begin Object Name="EdGraphPin_3624"
      PinName="Alpha"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_249.EdGraphPin_3733"'
   End Object
   Begin Object Name="EdGraphPin_3623"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_223.EdGraphPin_3670"'
   End Object
   Begin Object Name="EdGraphPin_3622"
      PinName="A"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_248.EdGraphPin_3730"'
   End Object
   Begin Object Name="MaterialExpressionLinearInterpolate_23"
      A=(Expression=MaterialExpressionLinearInterpolate'"MaterialGraphNode_248.MaterialExpressionLinearInterpolate_24"')
      B=(Expression=MaterialExpressionConstant3Vector'"MaterialGraphNode_223.MaterialExpressionConstant3Vector_24"')
      Alpha=(Expression=MaterialExpressionMaterialFunctionCall'"MaterialGraphNode_249.MaterialExpressionMaterialFunctionCall_5"')
      ConstB=0.500000
      MaterialExpressionEditorX=-544
      MaterialExpressionEditorY=-400
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionLinearInterpolate'MaterialExpressionLinearInterpolate_23'
   Pins(0)=EdGraphPin'EdGraphPin_3622'
   Pins(1)=EdGraphPin'EdGraphPin_3623'
   Pins(2)=EdGraphPin'EdGraphPin_3624'
   Pins(3)=EdGraphPin'EdGraphPin_3625'
   NodePosX=-544
   NodePosY=-400
   NodeGuid=590CB4DE4B6E2BEBEB68BA9F73082B62
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_203"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3626"
   End Object
   Begin Object Class=MaterialExpressionVertexNormalWS Name="MaterialExpressionVertexNormalWS_14"
   End Object
   Begin Object Name="EdGraphPin_3626"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_204.EdGraphPin_3627"'
   End Object
   Begin Object Name="MaterialExpressionVertexNormalWS_14"
      MaterialExpressionEditorX=-1760
      MaterialExpressionEditorY=-416
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionVertexNormalWS'MaterialExpressionVertexNormalWS_14'
   Pins(0)=EdGraphPin'EdGraphPin_3626'
   NodePosX=-1760
   NodePosY=-416
   NodeGuid=DD13FC2B4A737B625FDB48ABFB56A05B
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_204"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3628"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3627"
   End Object
   Begin Object Class=MaterialExpressionComponentMask Name="MaterialExpressionComponentMask_30"
   End Object
   Begin Object Name="EdGraphPin_3628"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_205.EdGraphPin_3629"'
   End Object
   Begin Object Name="EdGraphPin_3627"
      PinName="Input"
      PinFriendlyName=" "
      PinType=(PinCategory="required")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_203.EdGraphPin_3626"'
   End Object
   Begin Object Name="MaterialExpressionComponentMask_30"
      Input=(Expression=MaterialExpressionVertexNormalWS'"MaterialGraphNode_203.MaterialExpressionVertexNormalWS_14"')
      B=True
      MaterialExpressionEditorX=-1584
      MaterialExpressionEditorY=-416
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionComponentMask'MaterialExpressionComponentMask_30'
   Pins(0)=EdGraphPin'EdGraphPin_3627'
   Pins(1)=EdGraphPin'EdGraphPin_3628'
   NodePosX=-1584
   NodePosY=-416
   NodeGuid=46238FCF49A64AE15B0FB199C65598A4
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_205"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3631"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3630"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3629"
   End Object
   Begin Object Class=MaterialExpressionSubtract Name="MaterialExpressionSubtract_39"
   End Object
   Begin Object Name="EdGraphPin_3631"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_208.EdGraphPin_3638"'
   End Object
   Begin Object Name="EdGraphPin_3630"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_210.EdGraphPin_3644"'
   End Object
   Begin Object Name="EdGraphPin_3629"
      PinName="A"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_204.EdGraphPin_3628"'
   End Object
   Begin Object Name="MaterialExpressionSubtract_39"
      A=(Expression=MaterialExpressionComponentMask'"MaterialGraphNode_204.MaterialExpressionComponentMask_30"')
      B=(Expression=MaterialExpressionScalarParameter'"MaterialGraphNode_210.MaterialExpressionScalarParameter_50"')
      ConstB=0.500000
      MaterialExpressionEditorX=-1472
      MaterialExpressionEditorY=-416
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionSubtract'MaterialExpressionSubtract_39'
   Pins(0)=EdGraphPin'EdGraphPin_3629'
   Pins(1)=EdGraphPin'EdGraphPin_3630'
   Pins(2)=EdGraphPin'EdGraphPin_3631'
   NodePosX=-1472
   NodePosY=-416
   NodeGuid=FACC47FE4059E4B4B8AAB98E3B5EE43E
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_206"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3634"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3633"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3632"
   End Object
   Begin Object Class=MaterialExpressionMultiply Name="MaterialExpressionMultiply_31"
   End Object
   Begin Object Name="EdGraphPin_3634"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_219.EdGraphPin_3664"'
   End Object
   Begin Object Name="EdGraphPin_3633"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_207.EdGraphPin_3637"'
   End Object
   Begin Object Name="EdGraphPin_3632"
      PinName="A"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_208.EdGraphPin_3641"'
   End Object
   Begin Object Name="MaterialExpressionMultiply_31"
      A=(Expression=MaterialExpressionClamp'"MaterialGraphNode_208.MaterialExpressionClamp_31"')
      B=(Expression=MaterialExpressionDivide'"MaterialGraphNode_207.MaterialExpressionDivide_39"')
      ConstB=2.000000
      MaterialExpressionEditorX=-1168
      MaterialExpressionEditorY=-416
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionMultiply'MaterialExpressionMultiply_31'
   Pins(0)=EdGraphPin'EdGraphPin_3632'
   Pins(1)=EdGraphPin'EdGraphPin_3633'
   Pins(2)=EdGraphPin'EdGraphPin_3634'
   NodePosX=-1168
   NodePosY=-416
   NodeGuid=5B32F5014DBAEEA0E69C27B3C051A0BF
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_207"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3637"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3636"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3635"
   End Object
   Begin Object Class=MaterialExpressionDivide Name="MaterialExpressionDivide_39"
   End Object
   Begin Object Name="EdGraphPin_3637"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_206.EdGraphPin_3633"'
   End Object
   Begin Object Name="EdGraphPin_3636"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_209.EdGraphPin_3643"'
   End Object
   Begin Object Name="EdGraphPin_3635"
      PinName="A"
      PinType=(PinCategory="optional")
   End Object
   Begin Object Name="MaterialExpressionDivide_39"
      B=(Expression=MaterialExpressionOneMinus'"MaterialGraphNode_209.MaterialExpressionOneMinus_21"')
      MaterialExpressionEditorX=-1472
      MaterialExpressionEditorY=-320
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionDivide'MaterialExpressionDivide_39'
   Pins(0)=EdGraphPin'EdGraphPin_3635'
   Pins(1)=EdGraphPin'EdGraphPin_3636'
   Pins(2)=EdGraphPin'EdGraphPin_3637'
   NodePosX=-1472
   NodePosY=-320
   NodeGuid=C709A9694402502ADA529EB3B34DF8FA
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_208"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3641"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3640"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3639"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3638"
   End Object
   Begin Object Class=MaterialExpressionClamp Name="MaterialExpressionClamp_31"
   End Object
   Begin Object Name="EdGraphPin_3641"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_206.EdGraphPin_3632"'
   End Object
   Begin Object Name="EdGraphPin_3640"
      PinName="Max"
      PinType=(PinCategory="optional")
   End Object
   Begin Object Name="EdGraphPin_3639"
      PinName="Min"
      PinType=(PinCategory="optional")
   End Object
   Begin Object Name="EdGraphPin_3638"
      PinName="Input"
      PinFriendlyName=" "
      PinType=(PinCategory="required")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_205.EdGraphPin_3631"'
   End Object
   Begin Object Name="MaterialExpressionClamp_31"
      Input=(Expression=MaterialExpressionSubtract'"MaterialGraphNode_205.MaterialExpressionSubtract_39"')
      MaterialExpressionEditorX=-1360
      MaterialExpressionEditorY=-416
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionClamp'MaterialExpressionClamp_31'
   Pins(0)=EdGraphPin'EdGraphPin_3638'
   Pins(1)=EdGraphPin'EdGraphPin_3639'
   Pins(2)=EdGraphPin'EdGraphPin_3640'
   Pins(3)=EdGraphPin'EdGraphPin_3641'
   NodePosX=-1360
   NodePosY=-416
   NodeGuid=25C578CD4C20DDEC7C9137BC7F875A88
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_209"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3643"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3642"
   End Object
   Begin Object Class=MaterialExpressionOneMinus Name="MaterialExpressionOneMinus_21"
   End Object
   Begin Object Name="EdGraphPin_3643"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_207.EdGraphPin_3636"'
   End Object
   Begin Object Name="EdGraphPin_3642"
      PinName="Input"
      PinFriendlyName=" "
      PinType=(PinCategory="required")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_210.EdGraphPin_3644"'
   End Object
   Begin Object Name="MaterialExpressionOneMinus_21"
      Input=(Expression=MaterialExpressionScalarParameter'"MaterialGraphNode_210.MaterialExpressionScalarParameter_50"')
      MaterialExpressionEditorX=-1568
      MaterialExpressionEditorY=-304
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionOneMinus'MaterialExpressionOneMinus_21'
   Pins(0)=EdGraphPin'EdGraphPin_3642'
   Pins(1)=EdGraphPin'EdGraphPin_3643'
   NodePosX=-1568
   NodePosY=-304
   NodeGuid=CD21FB1C4CDC941E4D4330A599582345
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_210"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3644"
   End Object
   Begin Object Class=MaterialExpressionScalarParameter Name="MaterialExpressionScalarParameter_50"
   End Object
   Begin Object Name="EdGraphPin_3644"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_205.EdGraphPin_3630"'
      LinkedTo(1)=EdGraphPin'"MaterialGraphNode_209.EdGraphPin_3642"'
   End Object
   Begin Object Name="MaterialExpressionScalarParameter_50"
      DefaultValue=0.500000
      ParameterName="Angle_01"
      ExpressionGUID=4551FE154817876FEC73A8A3981C1380
      MaterialExpressionEditorX=-1712
      MaterialExpressionEditorY=-336
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionScalarParameter'MaterialExpressionScalarParameter_50'
   Pins(0)=EdGraphPin'EdGraphPin_3644'
   NodePosX=-1712
   NodePosY=-336
   bCanRenameNode=True
   NodeGuid=A7669FBD43E9CDC41A441C9E675E7A24
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_211"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3645"
   End Object
   Begin Object Class=MaterialExpressionVertexNormalWS Name="MaterialExpressionVertexNormalWS_15"
   End Object
   Begin Object Name="EdGraphPin_3645"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_212.EdGraphPin_3646"'
   End Object
   Begin Object Name="MaterialExpressionVertexNormalWS_15"
      MaterialExpressionEditorX=-1728
      MaterialExpressionEditorY=-192
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionVertexNormalWS'MaterialExpressionVertexNormalWS_15'
   Pins(0)=EdGraphPin'EdGraphPin_3645'
   NodePosX=-1728
   NodePosY=-192
   NodeGuid=B83897C04557D220C7886882DFDD17FF
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_212"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3647"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3646"
   End Object
   Begin Object Class=MaterialExpressionComponentMask Name="MaterialExpressionComponentMask_31"
   End Object
   Begin Object Name="EdGraphPin_3647"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_213.EdGraphPin_3648"'
   End Object
   Begin Object Name="EdGraphPin_3646"
      PinName="Input"
      PinFriendlyName=" "
      PinType=(PinCategory="required")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_211.EdGraphPin_3645"'
   End Object
   Begin Object Name="MaterialExpressionComponentMask_31"
      Input=(Expression=MaterialExpressionVertexNormalWS'"MaterialGraphNode_211.MaterialExpressionVertexNormalWS_15"')
      B=True
      MaterialExpressionEditorX=-1568
      MaterialExpressionEditorY=-176
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionComponentMask'MaterialExpressionComponentMask_31'
   Pins(0)=EdGraphPin'EdGraphPin_3646'
   Pins(1)=EdGraphPin'EdGraphPin_3647'
   NodePosX=-1568
   NodePosY=-176
   NodeGuid=6529C7294AB1B5A79995049250D46015
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_213"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3650"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3649"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3648"
   End Object
   Begin Object Class=MaterialExpressionSubtract Name="MaterialExpressionSubtract_40"
   End Object
   Begin Object Name="EdGraphPin_3650"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_216.EdGraphPin_3657"'
   End Object
   Begin Object Name="EdGraphPin_3649"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_218.EdGraphPin_3663"'
   End Object
   Begin Object Name="EdGraphPin_3648"
      PinName="A"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_212.EdGraphPin_3647"'
   End Object
   Begin Object Name="MaterialExpressionSubtract_40"
      A=(Expression=MaterialExpressionComponentMask'"MaterialGraphNode_212.MaterialExpressionComponentMask_31"')
      B=(Expression=MaterialExpressionScalarParameter'"MaterialGraphNode_218.MaterialExpressionScalarParameter_51"')
      ConstB=0.500000
      MaterialExpressionEditorX=-1456
      MaterialExpressionEditorY=-176
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionSubtract'MaterialExpressionSubtract_40'
   Pins(0)=EdGraphPin'EdGraphPin_3648'
   Pins(1)=EdGraphPin'EdGraphPin_3649'
   Pins(2)=EdGraphPin'EdGraphPin_3650'
   NodePosX=-1456
   NodePosY=-176
   NodeGuid=AC17506540C2EC0813DAD6B472840269
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_214"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3653"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3652"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3651"
   End Object
   Begin Object Class=MaterialExpressionMultiply Name="MaterialExpressionMultiply_32"
   End Object
   Begin Object Name="EdGraphPin_3653"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_220.EdGraphPin_3666"'
   End Object
   Begin Object Name="EdGraphPin_3652"
      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_215.EdGraphPin_3656"'
   End Object
   Begin Object Name="EdGraphPin_3651"
      PinName="A"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_216.EdGraphPin_3660"'
   End Object
   Begin Object Name="MaterialExpressionMultiply_32"
      A=(Expression=MaterialExpressionClamp'"MaterialGraphNode_216.MaterialExpressionClamp_32"')
      B=(Expression=MaterialExpressionDivide'"MaterialGraphNode_215.MaterialExpressionDivide_40"')
      ConstB=2.000000
      MaterialExpressionEditorX=-1152
      MaterialExpressionEditorY=-176
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionMultiply'MaterialExpressionMultiply_32'
   Pins(0)=EdGraphPin'EdGraphPin_3651'
   Pins(1)=EdGraphPin'EdGraphPin_3652'
   Pins(2)=EdGraphPin'EdGraphPin_3653'
   NodePosX=-1152
   NodePosY=-176
   NodeGuid=122BF31C429711E5139476B21CE801DE
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_215"
   Begin Object Class=EdGraphPin Name="EdGraphPin_3656"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3655"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_3654"
   End Object
   Begin Object Class=MaterialExpressionDivide Name="MaterialExpressionDivide_40"
   End Object
   Begin Object Name="EdGraphPin_3656"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_214.EdGraphPin_3652"'
   End Object
   Begin Object Name="EdGraphPin_3655"
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_239"
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_250"
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_251"
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End Object
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_274"
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   Begin Object Class=MaterialExpressionVertexNormalWS Name="MaterialExpressionVertexNormalWS_16"
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   Begin Object Name="MaterialExpressionVertexNormalWS_16"
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End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_275"
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   Begin Object Name="MaterialExpressionComponentMask_36"
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_276"
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   Begin Object Name="EdGraphPin_3803"
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_280"
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_281"
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_282"
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End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_286"
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      MaterialExpressionEditorX=-672
      MaterialExpressionEditorY=352
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_2'
   End Object
   MaterialExpression=MaterialExpressionClamp'MaterialExpressionClamp_38'
   Pins(0)=EdGraphPin'EdGraphPin_3818'
   Pins(1)=EdGraphPin'EdGraphPin_3819'
   Pins(2)=EdGraphPin'EdGraphPin_3820'
   Pins(3)=EdGraphPin'EdGraphPin_3821'
   NodePosX=-672
   NodePosY=352
   NodeGuid=33DCE5444722F7B12CB53DBD1F6A509C
End Object

20 comments:

  1. thank u Oliver, really usefull info!!

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  2. I was looking everywere for your contact info... can you add me on skype: dexro89 or email me at marianro2006@gmail.com please?

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    Replies
    1. Hi, feel free to contact me at the unreal forums, username: mAlkAv!An

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  3. You wouldn't happen to have a video of this tutorial would you? I feel that it makes it easier to follow and youre allowed to go more in depth without the reader getting lost.

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  4. Man, this blog helped me more than any other resource for UE. Can't be more thankful, keep it up!

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  5. Hi, been looking for this for ages as UE4 don't explain landscape texturing very well. Although how would I add texture normal maps using your setup?
    Thanks in advance.

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  6. Just came across this now, thanks for this.

    @Paul Gore: To answer your question just use the same logic but instead of using the materials use your normal maps. It should work. 8-}

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  7. I've managed to add the normal maps, micro textures and fresnels all looks really good. I'm at the point where I could do with being able to paint parts of my map.
    Combining your method with UE4's paint method doesnt work is there any work around thanks for your previous reply.

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  8. I have some troubles understanding what height falloff and height stand for ?
    Thanks for the post !

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  9. where do i paste it? and is this c++ code?

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    Replies
    1. Just open the material editor and straightly paste the code, CTRL+V.

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  10. This comment has been removed by the author.

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  11. How i can Enables Layer Painting? Automaterial is good , but how i can Add layer painting for better Control? and how i can add Far Tiling?

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    Replies
    1. Just add a Landscape Layer Blend node and duplicate the main material. I'd move the separate paint layers to Material Functions at that point because I'd just replicate the main material shader for each paint layer and swapping out the Green/Grass Textures with my own paint textures so I can still keep the automated cliff/Snow/Sand mapping and I would be adding my own textures with Normal/Occlusion/Tessellation So each paint layer would be 3x+ the original size :P

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  12. Hey, thanks for the tutorial! Since it is a bit older, I think Unreal added a Slope function that nearly makes the same, but did they also implement a function for the height blending? <3

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  13. Thanks for posting the code. Copied and pasted it into 4.12 and it worked fine.

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  14. paste works in 4.12 but not in 4.13 someone knows why? by the way thank you really much, this helps me a lot for a school project!

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