protected override bool OnInitProperties(MaterialProperty[] props)
{
if (m_tags != null)
{
return(true);
}
m_show = true;
m_tags = new List <TagDefine>();
// 从编辑器数据中获取用户自定义Tag
var tags = m_args.GetField(Cfg.ArgsKey_CustomTag_Tags);
if (tags != null && tags.IsArray && tags.list.Count > 0)
{
for (int i = 0; i < tags.list.Count; ++i)
{
var tagDef = tags.list[i];
if (tagDef.IsObject)
{
String type;
if (tagDef.GetField(out type, Cfg.ArgsKey_CustomTag_Type, String.Empty))
{
type = type.Trim();
var values = tagDef.GetField(Cfg.ArgsKey_CustomTag_Values);
if (values != null && values.IsArray && values.Count > 0)
{
if (m_tags.Find(item => item.typename == type) != null)
{
Debug.LogErrorFormat("Tag {0} already exists.", type);
continue;
}
var tagdef = new TagDefine();
tagdef.typename = type;
tagDef.GetField(out tagdef.readOnly, Cfg.ArgsKey_CustomTag_Readonly, false);
var _values = new List <String>(values.Count);
for (int n = 0; n < values.Count; ++n)
{
var v = values[n];
var value = String.Empty;
if (v.IsString && !String.IsNullOrEmpty(v.str) &&
!_values.Contains(value = v.str.Trim()))
{
_values.Add(value);
}
}
// 一个定义需要升级到另外一个Tag
var op = UpgradeOPType.None;
var target = String.Empty;
if (tagDef.GetField(out target, Cfg.ArgsKey_CustomTag_UpgradeTo, String.Empty))
{
op = UpgradeOPType.Cut;
}
else if (tagDef.GetField(out target, Cfg.ArgsKey_CustomTag_CopyTo, String.Empty))
{
op = UpgradeOPType.Copy;
}
target = target.Trim();
if (!String.IsNullOrEmpty(target))
{
tagdef.upgradeOPType = op;
tagdef.upgradeTypename = target;
// 找到升级目标Tag定义
var targetTypeDef = m_tags.Find(item => item.typename == tagdef.upgradeTypename);
if (targetTypeDef != null)
{
// 保存别名
targetTypeDef.alias = targetTypeDef.alias ?? new HashSet <String>();
targetTypeDef.alias.Add(tagdef.upgradeTypename);
if (targetTypeDef.values != null)
{
// 把选项合并
_values.AddRange(targetTypeDef.values);
}
}
else
{
Debug.LogErrorFormat("upgrade type from '{0}' to '{1}' not found.", type, tagdef.upgradeTypename);
}
// 测试需要升级的当前tag是否可以被删除
var material = m_MaterialEditor.target as Material;
if (material != null)
{
var removeAble = ShaderGUIHelper.IsTagRemoveable(material, type);
if (removeAble != null)
{
tagdef.removeAble = removeAble.Value;
}
}
}
if (_values.Count > 0)
{
var keepValue = tagDef.GetField(Cfg.Key_FixedValue);
if (keepValue != null && keepValue.IsString)
{
tagdef.keep = keepValue.str.Trim();
if (!String.IsNullOrEmpty(tagdef.keep))
{
if (!_values.Contains(tagdef.keep))
{
Debug.LogErrorFormat("Tag value '{0}' is not defined.", tagdef.keep);
}
else
{
tagdef.readOnly = true;
}
}
}
// 去重后转换为数组
tagdef.values = _values.Distinct().ToArray();
m_tags = m_tags ?? new List <TagDefine>();
m_tags.Add(tagdef);
}
}
}
}
}
}
// 从当前材质中获取已有的系统Tag
var materials = m_MaterialEditor.targets.Where(e => e is Material).Cast <Material>().ToArray();
for (int m = 0; m < materials.Length; ++m)
{
var mat = materials[m];
if (mat == null)
{
continue;
}
for (int i = 0; i < BuiltinTags.Length; ++i)
{
var typename = BuiltinTags[i];
var value = mat.GetTag(typename, true);
if (!String.IsNullOrEmpty(value))
{
m_tags = m_tags ?? new List <TagDefine>();
var defIndex = m_tags.FindIndex(item => item.typename == typename);
TagDefine def;
if (defIndex >= 0)
{
def = m_tags[defIndex];
// 定义了系统Tag，把系统tag当前值追加进选项
if (def.values != null)
{
var _values = new List <String>(def.values);
if (!_values.Contains(value))
{
_values.Add(value);
def.values = _values.ToArray();
}
}
else
{
// 编辑器中没有定义选项，此选项只读，唯一选项
def.values = new String[] { value };
def.readOnly = true;
}
if (defIndex > 0)
{
// 交换到前面去
var t = m_tags[0];
m_tags[0] = def;
m_tags[defIndex] = t;
}
}
else
{
// 编辑器没有定义，只读唯一选项
def = new TagDefine();
def.typename = typename;
def.readOnly = true;
def.values = new String[] { value };
m_tags.Insert(0, def);
}
def.builtin = true;
}
}
}
// 设置固定不变值
for (int i = 0; i < m_tags.Count; ++i)
{
var tagdef = m_tags[i];
if (!String.IsNullOrEmpty(tagdef.keep))
{
if (tagdef.values != null)
{
if (Array.IndexOf(tagdef.values, tagdef.keep) >= 0)
{
for (int j = 0; j < materials.Length; ++j)
{
_SetOverrideTag(materials[j], tagdef.typename, tagdef.keep, true);
}
}
}
}
}
DoUpgrade();
return(true);
}
void UpgradeTag(Material mat, TagDefine tagdef, TagDefine upgradeType)
{
if (tagdef.upgradeOPType == UpgradeOPType.None)
{
return;
}
tagdef.upgradeState = tagdef.upgradeState ?? new Dictionary <Material, UpgradeOPType>();
UpgradeOPType state;
if (tagdef.upgradeState.TryGetValue(mat, out state) && state == UpgradeOPType.None)
{
return;
}
var typename = tagdef.typename;
String oldVal;
if (tagdef.upgradeOPType == UpgradeOPType.Cut)
{
var r = _RemoveOverrideTag(mat, typename, out oldVal);
if (r != null && r.Value == false)
{
// shader自定义的tag删除不掉，只有通过设置一个表示None的有效字段覆盖
tagdef.removeAble = false;
// 搜索升级类型选项
if (upgradeType.values != null)
{
// 选择一个表示空的选项，用于覆盖Shader默认Tag
var newValue = "None";
var noneIndex = Array.FindIndex(
upgradeType.values, s => s.Equals("None", StringComparison.OrdinalIgnoreCase));
if (noneIndex >= 0)
{
newValue = upgradeType.values[noneIndex];
}
else
{
// 追加表示空的选项，用于覆盖默认值
var temp = new List <String>();
temp.Add(newValue);
if (upgradeType.values != null)
{
temp.AddRange(upgradeType.values);
}
upgradeType.values = temp.ToArray();
}
if (_SetOverrideTag(mat, typename, upgradeType.values[0], false, true))
{
Debug.LogFormat("Upgrade tag '{0}' -> '{1}', cmd = {2}",
typename, tagdef.upgradeTypename, tagdef.upgradeOPType);
}
}
}
}
else
{
if (mat != null)
{
oldVal = mat.GetTag(typename, true);
}
else
{
oldVal = String.Empty;
}
}
if (!String.IsNullOrEmpty(oldVal) && upgradeType.values != null &&
!oldVal.Equals("None", StringComparison.OrdinalIgnoreCase))
{
// 把原有值写入升级后的类型中去
if (IsOptionNone(oldVal))
{
// 找到目标选项中对应的空值
var noneIndex = Array.FindIndex(upgradeType.values, item => IsOptionNone(item));
if (noneIndex >= 0)
{
// 修正空值，保证选项中包含
oldVal = upgradeType.values[noneIndex];
}
}
if (Array.IndexOf(upgradeType.values, oldVal) >= 0)
{
// 把旧值存到新Tag类型中去
if (_SetOverrideTag(mat, upgradeType.typename, oldVal, true, false))
{
Debug.LogFormat("Upgrade tag '{0}' -> '{1}', cmd = {2}",
typename, tagdef.upgradeTypename, tagdef.upgradeOPType);
}
}
}
tagdef.upgradeState[mat] = UpgradeOPType.None;
}