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8.7 KiB

using System.Collections.Generic;
using UnityEngine;
using System;
namespace UnityEditor.Experimental.Rendering
{
public class MaterialUpgrader
{
public delegate void MaterialFinalizer(Material mat);
string m_OldShader;
string m_NewShader;
MaterialFinalizer m_Finalizer;
Dictionary<string, string> m_TextureRename = new Dictionary<string, string>();
Dictionary<string, string> m_FloatRename = new Dictionary<string, string>();
Dictionary<string, string> m_ColorRename = new Dictionary<string, string>();
Dictionary<string, float> m_FloatPropertiesToSet = new Dictionary<string, float>();
Dictionary<string, Color> m_ColorPropertiesToSet = new Dictionary<string, Color>();
List<string> m_TexturesToRemove = new List<string>();
class KeywordFloatRename
{
public string keyword;
public string property;
public float setVal, unsetVal;
}
List<KeywordFloatRename> m_KeywordFloatRename = new List<KeywordFloatRename>();
[Flags]
public enum UpgradeFlags
{
None = 0,
LogErrorOnNonExistingProperty = 1,
CleanupNonUpgradedProperties = 2,
LogMessageWhenNoUpgraderFound = 4
}
public void Upgrade(Material material, UpgradeFlags flags)
{
Material newMaterial;
if ((flags & UpgradeFlags.CleanupNonUpgradedProperties) != 0)
{
newMaterial = new Material(Shader.Find(m_NewShader));
}
else
{
newMaterial = UnityEngine.Object.Instantiate(material) as Material;
newMaterial.shader = Shader.Find(m_NewShader);
}
Convert(material, newMaterial);
material.shader = Shader.Find(m_NewShader);
material.CopyPropertiesFromMaterial(newMaterial);
UnityEngine.Object.DestroyImmediate(newMaterial);
if (m_Finalizer != null)
m_Finalizer(material);
}
// Overridable function to implement custom material upgrading functionality
public virtual void Convert(Material srcMaterial, Material dstMaterial)
{
foreach (var t in m_TextureRename)
{
dstMaterial.SetTextureScale(t.Value, srcMaterial.GetTextureScale(t.Key));
dstMaterial.SetTextureOffset(t.Value, srcMaterial.GetTextureOffset(t.Key));
dstMaterial.SetTexture(t.Value, srcMaterial.GetTexture(t.Key));
}
foreach (var t in m_FloatRename)
dstMaterial.SetFloat(t.Value, srcMaterial.GetFloat(t.Key));
foreach (var t in m_ColorRename)
dstMaterial.SetColor(t.Value, srcMaterial.GetColor(t.Key));
foreach (var prop in m_TexturesToRemove)
dstMaterial.SetTexture(prop, null);
foreach (var prop in m_FloatPropertiesToSet)
dstMaterial.SetFloat(prop.Key, prop.Value);
foreach (var prop in m_ColorPropertiesToSet)
dstMaterial.SetColor(prop.Key, prop.Value);
foreach (var t in m_KeywordFloatRename)
dstMaterial.SetFloat(t.property, srcMaterial.IsKeywordEnabled(t.keyword) ? t.setVal : t.unsetVal);
}
public void RenameShader(string oldName, string newName, MaterialFinalizer finalizer = null)
{
m_OldShader = oldName;
m_NewShader = newName;
m_Finalizer = finalizer;
}
public void RenameTexture(string oldName, string newName)
{
m_TextureRename[oldName] = newName;
}
public void RenameFloat(string oldName, string newName)
{
m_FloatRename[oldName] = newName;
}
public void RenameColor(string oldName, string newName)
{
m_ColorRename[oldName] = newName;
}
public void RemoveTexture(string name)
{
m_TexturesToRemove.Add(name);
}
public void SetFloat(string propertyName, float value)
{
m_FloatPropertiesToSet[propertyName] = value;
}
public void SetColor(string propertyName, Color value)
{
m_ColorPropertiesToSet[propertyName] = value;
}
public void RenameKeywordToFloat(string oldName, string newName, float setVal, float unsetVal)
{
m_KeywordFloatRename.Add(new KeywordFloatRename { keyword = oldName, property = newName, setVal = setVal, unsetVal = unsetVal });
}
static bool IsMaterialPath(string path)
{
return path.EndsWith(".mat", StringComparison.OrdinalIgnoreCase);
}
static MaterialUpgrader GetUpgrader(List<MaterialUpgrader> upgraders, Material material)
{
if (material == null || material.shader == null)
return null;
string shaderName = material.shader.name;
for (int i = 0; i != upgraders.Count; i++)
{
if (upgraders[i].m_OldShader == shaderName)
return upgraders[i];
}
return null;
}
//@TODO: Only do this when it exceeds memory consumption...
static void SaveAssetsAndFreeMemory()
{
AssetDatabase.SaveAssets();
GC.Collect();
EditorUtility.UnloadUnusedAssetsImmediate();
AssetDatabase.Refresh();
}
public static void UpgradeProjectFolder(List<MaterialUpgrader> upgraders, string progressBarName, UpgradeFlags flags = UpgradeFlags.None)
{
if (!EditorUtility.DisplayDialog("Material Upgrader", "The upgrade will overwrite material settings in your project." +
"Be sure to have a project backup before proceeding", "Proceed", "Cancel"))
return;
int totalMaterialCount = 0;
foreach (string s in UnityEditor.AssetDatabase.GetAllAssetPaths())
{
if (IsMaterialPath(s))
totalMaterialCount++;
}
int materialIndex = 0;
foreach (string path in UnityEditor.AssetDatabase.GetAllAssetPaths())
{
if (IsMaterialPath(path))
{
materialIndex++;
if (UnityEditor.EditorUtility.DisplayCancelableProgressBar(progressBarName, string.Format("({0} of {1}) {2}", materialIndex, totalMaterialCount, path), (float)materialIndex / (float)totalMaterialCount))
break;
Material m = UnityEditor.AssetDatabase.LoadMainAssetAtPath(path) as Material;
Upgrade(m, upgraders, flags);
//SaveAssetsAndFreeMemory();
}
}
UnityEditor.EditorUtility.ClearProgressBar();
}
public static void Upgrade(Material material, MaterialUpgrader upgrader, UpgradeFlags flags)
{
var upgraders = new List<MaterialUpgrader>();
upgraders.Add(upgrader);
Upgrade(material, upgraders, flags);
}
public static void Upgrade(Material material, List<MaterialUpgrader> upgraders, UpgradeFlags flags)
{
var upgrader = GetUpgrader(upgraders, material);
if (upgrader != null)
upgrader.Upgrade(material, flags);
else if ((flags & UpgradeFlags.LogMessageWhenNoUpgraderFound) == UpgradeFlags.LogMessageWhenNoUpgraderFound)
Debug.Log(string.Format("There's no upgrader to convert {0} shader to selected pipeline", material.shader.name));
}
public static void UpgradeSelection(List<MaterialUpgrader> upgraders, string progressBarName, UpgradeFlags flags = UpgradeFlags.None)
{
var selection = Selection.objects;
if (!EditorUtility.DisplayDialog("Material Upgrader", string.Format("The upgrade will possibly overwrite all the {0} selected material settings", selection.Length) +
"Be sure to have a project backup before proceeding", "Proceed", "Cancel"))
return;
string lastMaterialName = "";
for (int i = 0; i < selection.Length; i++)
{
if (UnityEditor.EditorUtility.DisplayCancelableProgressBar(progressBarName, string.Format("({0} of {1}) {2}", i, selection.Length, lastMaterialName), (float)i / (float)selection.Length))
break;
var material = selection[i] as Material;
Upgrade(material, upgraders, flags);
if (material != null)
lastMaterialName = material.name;
}
UnityEditor.EditorUtility.ClearProgressBar();
}
}
}