public static void Step(object collection, int itemIndex)
{
var materials = (FileData[])collection;
var file = materials[itemIndex];
bool last = itemIndex == materials.Length - 1;
Stepper.title = "Updating " + materials.Length + " Materials";
Stepper.message = "Updating material : " + file.name;
string text = file.ReadText();
string copy = text;
int index = 0;
bool changed = false;
bool removePrevious = false;
string guid = text.Parse("guid: ", ",");
string shaderPath = ProxyEditor.GetAssetPath(guid);
if (!shaderPath.IsEmpty())
{
Material material = file.GetAsset <Material>();
Shader shader = File.GetAsset <Shader>(shaderPath, false);
if (shader != null)
{
int propertyCount = ProxyEditor.GetPropertyCount(shader);
Dictionary <string, string> properties = new Dictionary <string, string>();
for (int propertyIndex = 0; propertyIndex < propertyCount; ++propertyIndex)
{
string name = ProxyEditor.GetPropertyName(shader, propertyIndex);
properties[name] = ProxyEditor.GetPropertyType(shader, propertyIndex).ToName();
}
string keywords = text.Parse("m_ShaderKeywords:", "m_").Trim("[]");
if (!keywords.IsEmpty())
{
string keywordsCleaned = keywords;
foreach (string keyword in keywords.Replace("\n ", "").Split(" "))
{
if (!properties.ContainsKey(keyword.Split("_")[0], true))
{
keywordsCleaned = keywordsCleaned.Replace(" " + keyword, "");
changed = true;
}
}
copy = copy.Replace(keywords, keywordsCleaned);
}
while (true)
{
int nextIndex = text.IndexOf("data:", index + 5);
if (removePrevious)
{
int nextGroup = text.IndexOf("\n m", index);
int count = nextGroup != -1 && nextGroup < nextIndex ? nextGroup - index : nextIndex - index;
string section = nextIndex < 0 ? text.Substring(index) : text.Substring(index, count);
copy = copy.Replace(section, "");
removePrevious = false;
changed = true;
}
if (nextIndex == -1)
{
break;
}
index = nextIndex;
int keywordStart = text.IndexOf("name: ", index) + 6;
int keywordEnd = text.IndexOf("\n", keywordStart);
string name = text.Substring(keywordStart, keywordEnd - keywordStart);
if (name.IsEmpty())
{
continue;
}
bool emptyTexture = properties.ContainsKey(name) && properties[name] == "Texture" && material.GetTexture(name) == null;
removePrevious = !properties.ContainsKey(name) || emptyTexture;
//if(removePrevious){Log.Show("[MaterialCleaner] : Removing " + name + " from " + file.fullName);}
}
if (changed)
{
MaterialCleaner.changes = true;
Log.Show("[MaterialCleaner] : Cleaned unused serialized data " + file.fullName);
file.Write(copy);
}
}
}
if (last)
{
if (!MaterialCleaner.changes)
{
Log.Show("[MaterialCleaner] : All files already clean.");
}
else
{
Log.Show("[MaterialCleaner] : Cleaned all materials.");
}
Call.Delay(() => ProxyEditor.RefreshAssets(), 1);
}
}