public override void AssignNewShaderToMaterial(Material material, Shader oldShader, Shader newShader)
{
// _Emission property is lost after assigning Standard shader to the material
// thus transfer it before assigning the new shader
if (material.HasProperty("_Emission"))
{
material.SetColor("_EmissionColor", material.GetColor("_Emission"));
}
base.AssignNewShaderToMaterial(material, oldShader, newShader);
if (oldShader == null || !oldShader.name.Contains("Legacy Shaders/"))
{
HairShaderUtility.SetupMaterialWithBlendMode(material, (BlendMode)material.GetFloat("_Mode"));
return;
}
BlendMode blendMode = BlendMode.Opaque;
if (oldShader.name.Contains("/Transparent/Cutout/"))
{
blendMode = BlendMode.Cutout;
}
else if (oldShader.name.Contains("/Transparent/"))
{
// NOTE: legacy shaders did not provide physically based transparency
// therefore Fade mode
blendMode = BlendMode.Fade;
}
material.SetFloat("_Mode", (float)blendMode);
DetermineWorkflow(MaterialEditor.GetMaterialProperties(new Material[] { material }));
MaterialChanged(material, m_WorkflowMode);
}
void OnEnable()
{
if (_commandBuffer != null)
{
return;
}
if (_targetHair == null)
{
return;
}
_alphaPassMaterials = _targetHair.sharedMaterials.Select(Instantiate).ToArray();
foreach (var each in _alphaPassMaterials)
{
HairShaderUtility.SetupMaterialWithBlendMode(each, HairShaderUtility.BlendMode.Fade);
each.EnableKeyword("_ALPHA_PASS");
}
_commandBuffer = new CommandBuffer();
for (var i = 0; i < _subMeshIndices.Length; ++i)
{
_commandBuffer.DrawRenderer(_targetHair, _alphaPassMaterials[_subMeshIndices[i]], _subMeshIndices[i], 0);
}
}
static void MaterialChanged(Material material, WorkflowMode workflowMode)
{
HairShaderUtility.SetupMaterialWithBlendMode(material, (BlendMode)material.GetFloat("_Mode"));
SetMaterialKeywords(material, workflowMode);
}