private static Texture2D TexEnvTexture(UnityTexEnv texEnv)
{
Texture2D tex = null;
if (texEnv != null)
{
texEnv.m_Texture.TryGet(out tex);
}
return(tex);
}
private static TexturedMaterial FindMaterialInfo([NotNull] IReadOnlyList <SerializedFile> assetFiles, [NotNull] Mesh mesh, int meshIndex, [NotNull] TexturedMaterialExtraProperties extraProperties)
{
SkinnedMeshRenderer meshRenderer = null;
foreach (var assetFile in assetFiles)
{
foreach (var obj in assetFile.Objects)
{
if (obj.type != ClassIDType.SkinnedMeshRenderer)
{
continue;
}
var renderer = obj as SkinnedMeshRenderer;
Debug.Assert(renderer != null);
if (renderer.m_Mesh.m_PathID == mesh.m_PathID)
{
meshRenderer = renderer;
break;
}
}
}
if (meshRenderer == null)
{
throw new KeyNotFoundException($"Found no SkinnedMeshRenderer associated with this mesh ({mesh.m_Name}).");
}
Debug.Assert(meshRenderer.m_Materials != null);
if (meshRenderer.m_Materials.Length <= meshIndex)
{
throw new FormatException("No corresponding material is associated with this SkinnedMeshRenderer.");
}
var materialPtr = meshRenderer.m_Materials[meshIndex];
Material material = null;
foreach (var assetFile in assetFiles)
{
foreach (var obj in assetFile.Objects)
{
if (obj.type != ClassIDType.Material)
{
continue;
}
var mat = obj as Material;
Debug.Assert(mat != null);
if (mat.m_PathID == materialPtr.m_PathID)
{
material = mat;
break;
}
}
}
if (material == null)
{
throw new KeyNotFoundException("Main material is not found by path ID.");
}
Debug.Assert(material.m_SavedProperties != null);
Debug.Assert(material.m_SavedProperties.m_TexEnvs != null);
Debug.Assert(material.m_SavedProperties.m_TexEnvs.Length > 0);
var kvPairs = material.m_SavedProperties.m_TexEnvs;
UnityTexEnv mainTexEnv = null;
UnityTexEnv subTexEnv = null;
foreach (var kv in kvPairs)
{
if (kv.Key.Equals("_MainTex", StringComparison.Ordinal))
{
mainTexEnv = kv.Value;
}
else if (kv.Key.Equals("_SubTex", StringComparison.Ordinal))
{
subTexEnv = kv.Value;
}
}
if (mainTexEnv == null)
{
throw new KeyNotFoundException("Main texture is missing.");
}
Texture2D mainTexture = null;
foreach (var assetFile in assetFiles)
{
foreach (var obj in assetFile.Objects)
{
if (obj.type != ClassIDType.Texture2D)
{
continue;
}
var tex = obj as Texture2D;
Debug.Assert(tex != null);
if (tex.m_PathID == mainTexEnv.m_Texture.m_PathID)
{
mainTexture = tex;
break;
}
}
}
if (mainTexture == null)
{
throw new KeyNotFoundException("Main texture is not found by path ID.");
}
Texture2D subTexture = null;
if (subTexEnv != null)
{
foreach (var assetFile in assetFiles)
{
foreach (var obj in assetFile.Objects)
{
if (obj.type != ClassIDType.Texture2D)
{
continue;
}
var tex = obj as Texture2D;
Debug.Assert(tex != null);
if (tex.m_PathID == subTexEnv.m_Texture.m_PathID)
{
subTexture = tex;
break;
}
}
}
if (subTexture == null)
{
throw new KeyNotFoundException("Sub texture is not found by path ID.");
}
}
return(new TexturedMaterial(material.m_Name, mainTexture, subTexture, extraProperties));
}
private static TexturedMaterial FindMaterialInfo([NotNull] SerializedObjectsLookup serializedObjectsLookup, [NotNull] Mesh mesh, int meshIndex, [NotNull] TexturedMaterialExtraProperties extraProperties)
{
var meshRenderer = serializedObjectsLookup.Find <SkinnedMeshRenderer>(renderer => renderer.m_Mesh.m_PathID == mesh.m_PathID);
if (meshRenderer == null)
{
throw new KeyNotFoundException($"Found no SkinnedMeshRenderer associated with this mesh ({mesh.m_Name}).");
}
Debug.Assert(meshRenderer.m_Materials != null);
if (meshRenderer.m_Materials.Length <= meshIndex)
{
throw new FormatException("No corresponding material is associated with this SkinnedMeshRenderer.");
}
var materialPtr = meshRenderer.m_Materials[meshIndex];
serializedObjectsLookup.TryGet(materialPtr, out var material);
if (material == null)
{
throw new KeyNotFoundException("Main material is not found by path ID.");
}
Debug.Assert(material.m_SavedProperties != null);
Debug.Assert(material.m_SavedProperties.m_TexEnvs != null);
Debug.Assert(material.m_SavedProperties.m_TexEnvs.Length > 0);
var kvPairs = material.m_SavedProperties.m_TexEnvs;
UnityTexEnv mainTexEnv = null;
UnityTexEnv subTexEnv = null;
foreach (var kv in kvPairs)
{
if (kv.Key.Equals("_MainTex", StringComparison.Ordinal))
{
mainTexEnv = kv.Value;
}
else if (kv.Key.Equals("_SubTex", StringComparison.Ordinal))
{
subTexEnv = kv.Value;
}
if (mainTexEnv != null && subTexEnv != null)
{
break;
}
}
var hasMainTexture = mainTexEnv != null;
var hasSubTexture = subTexEnv != null;
Texture2D mainTexture = null;
if (hasMainTexture)
{
serializedObjectsLookup.TryGet(mainTexEnv.m_Texture, out mainTexture);
if (mainTexture == null)
{
var pptrStr = mainTexEnv.m_Texture.GetDebugDescription();
Trace.WriteLine($"Warning: Main texture is not found by path ID, use default \"white\" instead. {pptrStr}");
}
}
Texture2D subTexture = null;
if (hasSubTexture)
{
serializedObjectsLookup.TryGet(subTexEnv.m_Texture, out subTexture);
if (subTexture == null)
{
var pptrStr = subTexEnv.m_Texture.GetDebugDescription();
Trace.WriteLine($"Warning: Sub texture is not found by path ID, use default \"white\" instead. {pptrStr}");
}
}
return(new TexturedMaterial(material.m_Name, hasMainTexture, mainTexture, hasSubTexture, subTexture, extraProperties));
}
