Creating the Base Skin Material

Once your character has been imported we need to assign a shader/material to it. This is a combination of multiple textures that will work together to display the final details on your mesh.

Step 1: Setting Up The Base Skin Material

In your creature folder, create a new folder called Textures
Inside the Textures folder, import your textures you created in the previous step. Be sure they are named a descriptive title so you can easily distinguish them.
In your dinosaur folder, create a new folder called Skins
Within your Skins folder, create a new folder named after the skin you will be importing. For instance, if the skin is called “Blue Back” the folder should be called BlueBack.
Locate the M_DinoSkin shader found within Content\Dinosaur\Materials\DinoSkin. Right click on the material and select “Create material instance”. Name the material instance MI_CreatureName_Skin_Base
Move this material to your Skins folder by dragging and dropping it into that folder in the content browser.
Right click this new material and select “Create material instance” again, This will create a child of this material instance. Name this newly created material MI_CreatureName_Skin_SkinName and put it into your new skin folder.
Double click and open up your Base skin shader. Inside this material you will see variables you can change and assign different textures to. Assign the textures found within your “Textures” folder to each parameter, as explained in the next step.

base_skin_mask_allo

Step 2: Applying Textures to the Material

Open the Base skin shader and look at the Details panel on the right. Here you will see many different Parameters.
Assign all the textures and values to the appropriate parameters based on the table below. If a parameter is not listed below, you can ignore it.

Preview	Parameter Name	Description
N/A	`Brightness`	Make small tweaks to the brightness of your shader. Compare your tweaks against base game dinosaurs for best balance.
N/A	`DetailNormalTiling`	The tiling size of the detail normal map.
N/A	`NormalIntensity`	The intensity of the base normal map of your creature.
N/A	`Specularity`	The specularity of your creature. Change this to make your creature more/less reflective.
	`BabySkin`	The baby skin of your dinosaur. This is a traditional colour texture that does not use the RGB masking system.
	`BaseNormal`	The normal map of your creature
	`DetailNormal`	A small normal map that tiles across your creature to give it extra detail. By default this is a scale texture, however you can change this to be fur, feathers, or anything you like.
	`MouthAlbedo`	Your Detail Colour texture
	`PatternSkinMask`	The Markings of your skin.
	`BaseSkinMask`	The Base Pattern of your skin.
	`RA`	Your RA Mask
	`ToothAndMouthMask`	Your Packed Detail Mask
	`WoundLocations`	Your Wound Location Mask
	`WoundMask`	Your Wound Mask
N/A	`Colour1` to `Colour4`	The colours for your skin. Don't get these confused with Colour#Old (which does nothing).
N/A	`PatternColor`	The colour for the markings layer.
N/A	`DetailTint`	The tint that is applied to the claws, teeth, mouth, etc.

Step 3: Setup Eye Material

You can use the base game eye material, or you can set up your own eye material.

Using The Base Game Eye Material

Go to Material /Game/Dinosaur/Materials/Eyes/Materials/M_EyeRefractive
Right-click on the material and select Create Material Instance
Name the material MI_DinoName_Eye
Open the material and look at the parameters on the right. You can customize these parameters to make your eye look better. The suggested parameters to edit are:

DepthScale - Set this to 0 or something subtle like 0.2
IrisBrightness - Makes your eye brighter.
PupilScale - Adjust the scale of your pupil.
ScaleByCenter - Makes your eye larger or smaller.
UsesMembrane? - Check this ON for the nictitating membrane, and OFF to disable the membrane.
IrisColour - The base eye texture for your creature.
ScleraTint - The colour around your creature's eye.

When you're done with your eye material, you should assign it to the eye material slot on your creature's skeletal mesh.

base_material_eye_slot

Creating Your Own Eye Material

If you have a custom eye, you can create your own material. The important points are that it must contain the following parameters:

IrisHueTint - The custom colour a player can pick when editing their character.
OldIrisHueTint - The old eye colour you are shedding out of.
SheddingProgress - The Alpha used for the linear interpolate between IrisHueTint and OldIrisHueTint

Create a new material by right-clicking in your Materials folder in your mod folder, and select "New Material"
Open your material.
You can Copy + Paste the following code into your material graph to get started. When you paste the code, it will look like the image below, but you will have to plug in the Base Colour, Specular, and Roughness.
When you're done with your eye material, you should assign it to the eye material slot on your creature's skeletal mesh.

UnrealScript

function test() {
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   CustomProperties Pin (PinId=111C7CC04321B28097090292028FA8DE,PinName="Output",PinFriendlyName=NSLOCTEXT("MaterialGraphNode", "Space", " "),Direction="EGPD_Output",PinType.PinCategory="",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_11 8641CB0145F0151DC73A3D8F6F1ADF55,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/UnrealEd.MaterialGraphNode Name="MaterialGraphNode_10"
   Begin Object Class=/Script/Engine.MaterialExpressionScalarParameter Name="MaterialExpressionScalarParameter_0"
   End Object
   Begin Object Name="MaterialExpressionScalarParameter_0"
      ParameterName="SheddingProgress"
      ExpressionGUID=B645449148B929CAD1443397732F5FCE
      MaterialExpressionEditorX=-640
      MaterialExpressionEditorY=-80
      MaterialExpressionGuid=C237AA2640804ABC820BACA9E5912CD0
      Material=PreviewMaterial'"/Engine/Transient.M_Eye_DinoName"'
   End Object
   MaterialExpression=MaterialExpressionScalarParameter'"MaterialExpressionScalarParameter_0"'
   NodePosX=-640
   NodePosY=-80
   bCanRenameNode=True
   NodeGuid=2315B455442ADB9E94D8F1AF977EEE72
   CustomProperties Pin (PinId=1F8FD7514A59FBA065100C93D977D7D6,PinName="Output",PinFriendlyName=NSLOCTEXT("MaterialGraphNode", "Space", " "),Direction="EGPD_Output",PinType.PinCategory="",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_7 5BB36E5D4C215F7E02C7C996D2E9B594,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object
Begin Object Class=/Script/UnrealEd.MaterialGraphNode Name="MaterialGraphNode_11"
   Begin Object Class=/Script/Engine.MaterialExpressionMultiply Name="MaterialExpressionMultiply_0"
   End Object
   Begin Object Name="MaterialExpressionMultiply_0"
      A=(Expression=MaterialExpressionLinearInterpolate'"MaterialGraphNode_7.MaterialExpressionLinearInterpolate_0"')
      B=(Expression=MaterialExpressionTextureSample'"MaterialGraphNode_2.MaterialExpressionTextureSample_0"',Mask=1,MaskR=1,MaskG=1,MaskB=1)
      MaterialExpressionEditorX=-304
      MaterialExpressionEditorY=-224
      MaterialExpressionGuid=40742CE34FF2DC8D12B424845B5BD154
      Material=PreviewMaterial'"/Engine/Transient.M_Eye_DinoName"'
   End Object
   MaterialExpression=MaterialExpressionMultiply'"MaterialExpressionMultiply_0"'
   NodePosX=-304
   NodePosY=-224
   NodeGuid=9A9014804C012C52C6C73291E940E811
   CustomProperties Pin (PinId=8641CB0145F0151DC73A3D8F6F1ADF55,PinName="A",PinType.PinCategory="optional",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_7 111C7CC04321B28097090292028FA8DE,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=95C077C7462E4D3BA0019985C163680E,PinName="B",PinType.PinCategory="optional",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_2 B9C643B54D41FD3E1BF9C0AB69FFD03D,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
   CustomProperties Pin (PinId=65D5AACB40F65E6B68440995A10869C9,PinName="Output",PinFriendlyName=NSLOCTEXT("MaterialGraphNode", "Space", " "),Direction="EGPD_Output",PinType.PinCategory="",PinType.PinSubCategory="",PinType.PinSubCategoryObject=None,PinType.PinSubCategoryMemberReference=(),PinType.PinValueType=(),PinType.ContainerType=None,PinType.bIsReference=False,PinType.bIsConst=False,PinType.bIsWeakPointer=False,PinType.bIsUObjectWrapper=False,PinType.bSerializeAsSinglePrecisionFloat=False,LinkedTo=(MaterialGraphNode_Root_0 A116F27348DC36D90345C9B021418C48,),PersistentGuid=00000000000000000000000000000000,bHidden=False,bNotConnectable=False,bDefaultValueIsReadOnly=False,bDefaultValueIsIgnored=False,bAdvancedView=False,bOrphanedPin=False,)
End Object");
}

base_connect_eye_material_bp

base_slot_eye_material

Summary

Once you have set up your Base Skin material, you can apply it to your mesh. This will pull all the colors, textures, and masks together to create the final look of your creature. By following this tutorial you have created:

The base skin shader for your creature
Assigned the skin shader to your creature mesh

Congrats! You can now move on to the next step. Back to tutorial.

Creating the Base Skin Material ​

Step 1: Setting Up The Base Skin Material ​

Step 2: Applying Textures to the Material ​

Step 3: Setup Eye Material ​

Using The Base Game Eye Material ​

Creating Your Own Eye Material ​