UnityMirror/xNode
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Code

Caches attributes, generates no garbage after first fetch.

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Cache gets reset on recompilation of code.
This commit is contained in:
Simon Rodriguez 2018-12-21 14:54:12 +01:00
parent fe2b7a9684
commit 3d1da00652
2 changed files with 34 additions and 3 deletions
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6
Scripts/Editor/NodeEditorGUILayout.cs
View File

@ -45,7 +45,7 @@ namespace XNodeEditor {
float spacePadding = 0;
SpaceAttribute spaceAttribute;
if(NodeEditorUtilities.GetAttrib(port.node.GetType(), property.name, out spaceAttribute)) spacePadding = spaceAttribute.height;
if (NodeEditorUtilities.GetCachedAttrib(port.node.GetType(), property.name, out spaceAttribute)) spacePadding = spaceAttribute.height;
// If property is an input, display a regular property field and put a port handle on the left side
if (port.direction == XNode.NodePort.IO.Input) {
@ -53,7 +53,7 @@ namespace XNodeEditor {
XNode.Node.ShowBackingValue showBacking = XNode.Node.ShowBackingValue.Unconnected;
XNode.Node.InputAttribute inputAttribute;
bool instancePortList = false;
if (NodeEditorUtilities.GetAttrib(port.node.GetType(), property.name, out inputAttribute)) {
if (NodeEditorUtilities.GetCachedAttrib(port.node.GetType(), property.name, out inputAttribute)) {
instancePortList = inputAttribute.instancePortList;
showBacking = inputAttribute.backingValue;
}
@ -98,7 +98,7 @@ namespace XNodeEditor {
XNode.Node.ShowBackingValue showBacking = XNode.Node.ShowBackingValue.Unconnected;
XNode.Node.OutputAttribute outputAttribute;
bool instancePortList = false;
if (NodeEditorUtilities.GetAttrib(port.node.GetType(), property.name, out outputAttribute)) {
if (NodeEditorUtilities.GetCachedAttrib(port.node.GetType(), property.name, out outputAttribute)) {
instancePortList = outputAttribute.instancePortList;
showBacking = outputAttribute.backingValue;
}

31
Scripts/Editor/NodeEditorUtilities.cs
View File

@ -15,6 +15,9 @@ namespace XNodeEditor {
/// <summary>C#'s Script Icon [The one MonoBhevaiour Scripts have].</summary>
private static Texture2D scriptIcon = (EditorGUIUtility.IconContent("cs Script Icon").image as Texture2D);
/// Saves Attribute from Type+Field for faster lookup. Resets on recompiles.
private static Dictionary<Type, Dictionary<string, Dictionary<Type, Attribute>>> typeAttributes = new Dictionary<Type, Dictionary<string, Dictionary<Type, Attribute>>>();
public static bool GetAttrib<T>(Type classType, out T attribOut) where T : Attribute {
object[] attribs = classType.GetCustomAttributes(typeof(T), false);
return GetAttrib(attribs, out attribOut);
@ -45,6 +48,34 @@ namespace XNodeEditor {
return false;
}
public static bool GetCachedAttrib<T>(Type classType, string fieldName, out T attribOut) where T : Attribute {
Dictionary<string, Dictionary<Type, Attribute>> typeFields;
if (!typeAttributes.TryGetValue(classType, out typeFields)) {
typeFields = new Dictionary<string, Dictionary<Type, Attribute>>();
typeAttributes.Add(classType, typeFields);
}
Dictionary<Type, Attribute> typeTypes;
if(!typeFields.TryGetValue(fieldName, out typeTypes)) {
typeTypes = new Dictionary<Type, Attribute>();
typeFields.Add(fieldName, typeTypes);
}
Attribute attr;
if (!typeTypes.TryGetValue(typeof(T), out attr)) {
if (GetAttrib<T>(classType, fieldName, out attribOut)) typeTypes.Add(typeof(T), attribOut);
else typeTypes.Add(typeof(T), null);
}
if(attr == null) {
attribOut = null;
return false;
}
attribOut = attr as T;
return true;
}
/// <summary> Returns true if this can be casted to <see cref="Type"/></summary>
public static bool IsCastableTo(this Type from, Type to) {
if (to.IsAssignableFrom(from)) return true;