// All Setup Keyword functions must be static. It allow to create script to automatically update the shaders with a script if code change
static new public void SetupMaterialKeywordsAndPass(Material material)
{
SetupBaseLitKeywords(material);
SetupBaseLitMaterialPass(material);
SetupLayersMappingKeywords(material);
for (int i = 0; i < kMaxLayerCount; ++i)
{
NormalMapSpace normalMapSpace = ((NormalMapSpace)material.GetFloat(kNormalMapSpace + i));
SetKeyword(material, "_NORMALMAP_TANGENT_SPACE" + i, normalMapSpace == NormalMapSpace.TangentSpace);
if (normalMapSpace == NormalMapSpace.TangentSpace)
{
SetKeyword(material, "_NORMALMAP" + i, material.GetTexture(kNormalMap + i) || material.GetTexture(kDetailMap + i));
SetKeyword(material, "_BENTNORMALMAP" + i, material.GetTexture(kBentNormalMap + i));
}
else
{
SetKeyword(material, "_NORMALMAP" + i, material.GetTexture(kNormalMapOS + i) || material.GetTexture(kDetailMap + i));
SetKeyword(material, "_BENTNORMALMAP" + i, material.GetTexture(kBentNormalMapOS + i));
}
SetKeyword(material, "_MASKMAP" + i, material.GetTexture(kMaskMap + i));
SetKeyword(material, "_DETAIL_MAP" + i, material.GetTexture(kDetailMap + i));
SetKeyword(material, "_HEIGHTMAP" + i, material.GetTexture(kHeightMap + i));
SetKeyword(material, "_SUBSURFACE_RADIUS_MAP" + i, material.GetTexture(kSubsurfaceRadiusMap + i));
SetKeyword(material, "_THICKNESSMAP" + i, material.GetTexture(kThicknessMap + i));
}
SetKeyword(material, "_INFLUENCEMASK_MAP", material.GetTexture(kLayerInfluenceMaskMap) && material.GetFloat(kkUseMainLayerInfluence) != 0.0f);
SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap));
SetKeyword(material, "_ENABLESPECULAROCCLUSION", material.GetFloat(kEnableSpecularOcclusion) > 0.0f);
SetKeyword(material, "_MAIN_LAYER_INFLUENCE_MODE", material.GetFloat(kkUseMainLayerInfluence) != 0.0f);
VertexColorMode VCMode = (VertexColorMode)material.GetFloat(kVertexColorMode);
if (VCMode == VertexColorMode.Multiply)
{
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", true);
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", false);
}
else if (VCMode == VertexColorMode.Add)
{
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", false);
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", true);
}
else
{
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_MUL", false);
SetKeyword(material, "_LAYER_MASK_VERTEX_COLOR_ADD", false);
}
bool useHeightBasedBlend = material.GetFloat(kUseHeightBasedBlend) != 0.0f;
SetKeyword(material, "_HEIGHT_BASED_BLEND", useHeightBasedBlend);
bool useDensityModeEnable = false;
for (int i = 0; i < material.GetInt(kLayerCount); ++i)
{
useDensityModeEnable |= material.GetFloat(kOpacityAsDensity + i) != 0.0f;
}
SetKeyword(material, "_DENSITY_MODE", useDensityModeEnable);
Lit.MaterialId materialId = (Lit.MaterialId)material.GetFloat(kMaterialID);
SetKeyword(material, "_MATID_SSS", materialId == Lit.MaterialId.LitSSS);
//SetKeyword(material, "_MATID_STANDARD", materialId == Lit.MaterialId.LitStandard); // See comment in Lit.shader, it is the default, we don't define it
}
// All Setup Keyword functions must be static. It allow to create script to automatically update the shaders with a script if code change
static public void SetupMaterialKeywordsAndPass(Material material)
{
SetupBaseLitKeywords(material);
SetupBaseLitMaterialPass(material);
NormalMapSpace normalMapSpace = (NormalMapSpace)material.GetFloat(kNormalMapSpace);
// Note: keywords must be based on Material value not on MaterialProperty due to multi-edit & material animation
// (MaterialProperty value might come from renderer material property block)
SetKeyword(material, "_MAPPING_PLANAR", ((UVBaseMapping)material.GetFloat(kUVBase)) == UVBaseMapping.Planar);
SetKeyword(material, "_MAPPING_TRIPLANAR", ((UVBaseMapping)material.GetFloat(kUVBase)) == UVBaseMapping.Triplanar);
SetKeyword(material, "_NORMALMAP_TANGENT_SPACE", (normalMapSpace == NormalMapSpace.TangentSpace));
if (normalMapSpace == NormalMapSpace.TangentSpace)
{
// With details map, we always use a normal map and Unity provide a default (0, 0, 1) normal map for it
SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMap) || material.GetTexture(kDetailMap));
SetKeyword(material, "_TANGENTMAP", material.GetTexture(kTangentMap));
SetKeyword(material, "_BENTNORMALMAP", material.GetTexture(kBentNormalMap));
}
else // Object space
{
// With details map, we always use a normal map but in case of objects space there is no good default, so the result will be weird until users fix it
SetKeyword(material, "_NORMALMAP", material.GetTexture(kNormalMapOS) || material.GetTexture(kDetailMap));
SetKeyword(material, "_TANGENTMAP", material.GetTexture(kTangentMapOS));
SetKeyword(material, "_BENTNORMALMAP", material.GetTexture(kBentNormalMapOS));
}
SetKeyword(material, "_MASKMAP", material.GetTexture(kMaskMap));
SetKeyword(material, "_EMISSIVE_COLOR_MAP", material.GetTexture(kEmissiveColorMap));
SetKeyword(material, "_ENABLESPECULAROCCLUSION", material.GetFloat(kEnableSpecularOcclusion) > 0.0f);
SetKeyword(material, "_HEIGHTMAP", material.GetTexture(kHeightMap));
SetKeyword(material, "_ANISOTROPYMAP", material.GetTexture(kAnisotropyMap));
SetKeyword(material, "_DETAIL_MAP", material.GetTexture(kDetailMap));
SetKeyword(material, "_SUBSURFACE_RADIUS_MAP", material.GetTexture(kSubsurfaceRadiusMap));
SetKeyword(material, "_THICKNESSMAP", material.GetTexture(kThicknessMap));
SetKeyword(material, "_SPECULARCOLORMAP", material.GetTexture(kSpecularColorMap));
bool needUV2 = (UVDetailMapping)material.GetFloat(kUVDetail) == UVDetailMapping.UV2 && (UVBaseMapping)material.GetFloat(kUVBase) == UVBaseMapping.UV0;
bool needUV3 = (UVDetailMapping)material.GetFloat(kUVDetail) == UVDetailMapping.UV3 && (UVBaseMapping)material.GetFloat(kUVBase) == UVBaseMapping.UV0;
if (needUV3)
{
material.DisableKeyword("_REQUIRE_UV2");
material.EnableKeyword("_REQUIRE_UV3");
}
else if (needUV2)
{
material.EnableKeyword("_REQUIRE_UV2");
material.DisableKeyword("_REQUIRE_UV3");
}
else
{
material.DisableKeyword("_REQUIRE_UV2");
material.DisableKeyword("_REQUIRE_UV3");
}
Lit.MaterialId materialId = (Lit.MaterialId)material.GetFloat(kMaterialID);
SetKeyword(material, "_MATID_SSS", materialId == Lit.MaterialId.LitSSS);
//SetKeyword(material, "_MATID_STANDARD", materialId == Lit.MaterialId.LitStandard); // See comment in Lit.shader, it is the default, we don't define it
SetKeyword(material, "_MATID_ANISO", materialId == Lit.MaterialId.LitAniso);
SetKeyword(material, "_MATID_SPECULAR", materialId == Lit.MaterialId.LitSpecular);
SetKeyword(material, "_MATID_CLEARCOAT", materialId == Lit.MaterialId.LitClearCoat);
var refractionModeValue = (Lit.RefractionMode)material.GetFloat(kRefractionMode);
// We can't have refraction in pre-refraction queue
var canHaveRefraction = !material.HasProperty(kPreRefractionPass) || material.GetFloat(kPreRefractionPass) <= 0.0;
SetKeyword(material, "_REFRACTION_PLANE", (refractionModeValue == Lit.RefractionMode.Plane) && canHaveRefraction);
SetKeyword(material, "_REFRACTION_SPHERE", (refractionModeValue == Lit.RefractionMode.Sphere) && canHaveRefraction);
SetKeyword(material, "_TRANSMITTANCECOLORMAP", material.GetTexture(kTransmittanceColorMap) && canHaveRefraction);
}