private static void UpdateMaterialSpecularSource(Material material)
{
SpecularSource specSource = (SpecularSource)material.GetFloat("_SpecSource");
if (specSource == SpecularSource.NoSpecular)
{
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP", false);
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP_BASE_ALPHA", false);
LightweightShaderHelper.SetKeyword(material, "_SPECULAR_COLOR", false);
}
else if (specSource == SpecularSource.SpecularTextureAndColor && material.GetTexture("_SpecGlossMap"))
{
GlossinessSource glossSource = (GlossinessSource)material.GetFloat("_GlossinessSource");
if (glossSource == GlossinessSource.BaseAlpha)
{
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP", false);
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP_BASE_ALPHA", true);
}
else
{
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP", true);
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP_BASE_ALPHA", false);
}
LightweightShaderHelper.SetKeyword(material, "_SPECULAR_COLOR", false);
}
else
{
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP", false);
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP_BASE_ALPHA", false);
LightweightShaderHelper.SetKeyword(material, "_SPECULAR_COLOR", true);
}
}
public static void UpdateStandardSpecularMaterialKeywords(Material material)
{
material.SetFloat("_WorkflowMode", 0.0f);
LightweightShaderHelper.SetKeyword(material, "_OCCLUSIONMAP", material.GetTexture("_OcclusionMap"));
LightweightShaderHelper.SetKeyword(material, "_METALLICSPECGLOSSMAP", material.GetTexture("_SpecGlossMap"));
LightweightShaderHelper.SetKeyword(material, "_SPECULAR_SETUP", true);
}
public static void UpdateMaterialKeywords(Material material)
{
LightweightShaderHelper.SetMaterialBlendMode(material);
UpdateMaterialSpecularSource(material);
UpdateMaterialReflectionSource(material);
LightweightShaderHelper.SetKeyword(material, "_NORMALMAP", material.GetTexture("_BumpMap"));
LightweightShaderHelper.SetKeyword(material, "_CUBEMAP_REFLECTION", material.GetTexture("_Cube"));
LightweightShaderHelper.SetKeyword(material, "_EMISSION", material.GetTexture("_EmissionMap"));
}
public static void UpdateMaterialKeywords(Material material)
{
material.shaderKeywords = null;
LightweightShaderHelper.SetMaterialBlendMode(material);
UpdateMaterialSpecularSource(material);
LightweightShaderHelper.SetKeyword(material, "_NORMALMAP", material.GetTexture("_BumpMap"));
// A material's GI flag internally keeps track of whether emission is enabled at all, it's enabled but has no effect
// or is enabled and may be modified at runtime. This state depends on the values of the current flag and emissive color.
// The fixup routine makes sure that the material is in the correct state if/when changes are made to the mode or color.
MaterialEditor.FixupEmissiveFlag(material);
bool shouldEmissionBeEnabled = (material.globalIlluminationFlags & MaterialGlobalIlluminationFlags.EmissiveIsBlack) == 0;
LightweightShaderHelper.SetKeyword(material, "_EMISSION", shouldEmissionBeEnabled);
}
private static void UpdateMaterialReflectionSource(Material material)
{
LightweightShaderHelper.SetKeyword(material, "_REFLECTION_CUBEMAP", false);
LightweightShaderHelper.SetKeyword(material, "_REFLECTION_PROBE", false);
ReflectionSource reflectionSource = (ReflectionSource)material.GetFloat("_ReflectionSource");
if (reflectionSource == ReflectionSource.Cubemap && material.GetTexture("_Cube"))
{
LightweightShaderHelper.SetKeyword(material, "_REFLECTION_CUBEMAP", true);
}
else if (reflectionSource == ReflectionSource.ReflectionProbe)
{
LightweightShaderHelper.SetKeyword(material, "_REFLECTION_PROBE", true);
}
}
private static void UpdateMaterialSpecularSource(Material material)
{
SpecularSource specSource = (SpecularSource)material.GetFloat("_SpecSource");
if (specSource == SpecularSource.NoSpecular)
{
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP", false);
LightweightShaderHelper.SetKeyword(material, "_SPECULAR_COLOR", false);
LightweightShaderHelper.SetKeyword(material, "_GLOSSINESS_FROM_BASE_ALPHA", false);
}
else
{
GlossinessSource glossSource = (GlossinessSource)material.GetFloat("_GlossinessSource");
bool hasGlossMap = material.GetTexture("_SpecGlossMap");
LightweightShaderHelper.SetKeyword(material, "_SPECGLOSSMAP", hasGlossMap);
LightweightShaderHelper.SetKeyword(material, "_SPECULAR_COLOR", !hasGlossMap);
LightweightShaderHelper.SetKeyword(material, "_GLOSSINESS_FROM_BASE_ALPHA", glossSource == GlossinessSource.BaseAlpha);
}
}
public static void UpdateStandardMaterialKeywords(Material material)
{
material.SetFloat("_WorkflowMode", 1.0f);
LightweightShaderHelper.SetKeyword(material, "_OCCLUSIONMAP", material.GetTexture("_OcclusionMap"));
LightweightShaderHelper.SetKeyword(material, "_METALLICSPECGLOSSMAP", material.GetTexture("_MetallicGlossMap"));
}