protected void ExtractBasicMaterialInfo(SyncMaterial syncMaterial, out bool transparent, out bool emission, out Color color)
{
transparent = StandardShaderHelper.IsTransparent(syncMaterial);
emission = syncMaterial.Emission != SyncColor.Black || syncMaterial.EmissionMap.TextureId != SyncId.None;
var tint = ImportersUtils.GetUnityColor(syncMaterial.Tint, false);
color = tint * ImportersUtils.GetUnityColor(syncMaterial.AlbedoColor, false);
if (transparent)
{
color.a = syncMaterial.Alpha;
}
}
protected override void SetMaterialPropertiesInternal(SyncedData <SyncMaterial> syncedMaterial, Material material, ITextureCache textureCache)
{
var syncMaterial = syncedMaterial.data;
var sourceId = syncedMaterial.key.source;
ExtractBasicMaterialInfo(syncMaterial, out var transparent, out var emission, out var color);
// Albedo
material.SetColor("_BaseColor", color);
AssignMap(material, sourceId, "_BaseColorMap", syncMaterial.AlbedoMap, textureCache);
// Metallic
material.SetFloat("_Metallic", syncMaterial.Metallic);
if (syncMaterial.MetallicMap.TextureId != SyncId.None)
{
// TODO
}
// Smoothness
material.SetFloat("_Smoothness", syncMaterial.Glossiness);
if (syncMaterial.GlossinessMap.TextureId != SyncId.None)
{
// TODO
}
// Normal
if (syncMaterial.NormalMap.TextureId != SyncId.None)
{
AssignMap(material, sourceId, "_NormalMap", syncMaterial.NormalMap, textureCache);
material.SetFloat("_NormalScale", syncMaterial.NormalScale);
material.EnableKeyword("_NORMALMAP");
material.EnableKeyword("_NORMALMAP_TANGENT_SPACE");
}
// Transparency
if (!emission && transparent)
{
material.SetColor("_Color", color);
material.SetFloat("_SurfaceType", 1);
material.SetFloat("_BlendMode", 0);
material.SetFloat("_DstBlend", 10);
material.SetFloat("_AlphaDstBlend", 10);
material.SetFloat("_AlphaCutoffEnable", 0);
material.SetFloat("_EnableBlendModePreserveSpecularLighting", 1);
material.renderQueue = (int)RenderQueue.Transparent;
material.EnableKeyword("_BLENDMODE_ALPHA");
material.EnableKeyword("_BLENDMODE_PRESERVE_SPECULAR_LIGHTING");
material.EnableKeyword("_ENABLE_FOG_ON_TRANSPARENT");
material.EnableKeyword("_SURFACE_TYPE_TRANSPARENT");
}
// Cutout
// TODO Not supported?
// Emission
if (emission)
{
var emissionColor = ImportersUtils.GetUnityColor(syncMaterial.Emission);
material.SetColor("_EmissiveColor", emissionColor);
material.SetColor("_EmissiveColorLDR", emissionColor);
if (syncMaterial.EmissionMap.TextureId != SyncId.None)
{
AssignMap(material, sourceId, "_EmissiveColorMap", syncMaterial.EmissionMap, textureCache);
}
material.SetInt("_UseEmissiveIntensity", 1);
//material.EnableKeyword("_Emissive");
material.globalIlluminationFlags = MaterialGlobalIlluminationFlags.RealtimeEmissive;
}
}