Boat Attack使用了Universal RP的许多新图形功能,可以用于探索 Universal RP 的使用方式和技巧。
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using System;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering;
namespace UnityEditor.Rendering
{
using IProvider = FilterWindow.IProvider;
using Element = FilterWindow.Element;
using GroupElement = FilterWindow.GroupElement;
class VolumeComponentProvider : IProvider
{
class VolumeComponentElement : Element
{
public Type type;
public VolumeComponentElement(int level, string label, Type type)
{
this.level = level;
this.type = type;
// TODO: Add support for custom icons
content = new GUIContent(label);
}
}
class PathNode : IComparable<PathNode>
{
public List<PathNode> nodes = new List<PathNode>();
public string name;
public Type type;
public int CompareTo(PathNode other)
{
return name.CompareTo(other.name);
}
}
public Vector2 position { get; set; }
VolumeProfile m_Target;
VolumeComponentListEditor m_TargetEditor;
public VolumeComponentProvider(VolumeProfile target, VolumeComponentListEditor targetEditor)
{
m_Target = target;
m_TargetEditor = targetEditor;
}
public void CreateComponentTree(List<Element> tree)
{
tree.Add(new GroupElement(0, "Volume Overrides"));
var attrType = typeof(VolumeComponentMenu);
var types = VolumeManager.instance.baseComponentTypes;
var rootNode = new PathNode();
foreach (var t in types)
{
// Skip components that have already been added to the volume
if (m_Target.Has(t))
continue;
string path = string.Empty;
// Look for a VolumeComponentMenu attribute
var attrs = t.GetCustomAttributes(attrType, false);
if (attrs.Length > 0)
{
var attr = attrs[0] as VolumeComponentMenu;
if (attr != null)
path = attr.menu;
}
// If no attribute or in case something went wrong when grabbing it, fallback to a
// beautified class name
if (string.IsNullOrEmpty(path))
path = ObjectNames.NicifyVariableName(t.Name);
// Prep the categories & types tree
AddNode(rootNode, path, t);
}
// Recursively add all elements to the tree
Traverse(rootNode, 1, tree);
}
public bool GoToChild(Element element, bool addIfComponent)
{
if (element is VolumeComponentElement)
{
var e = (VolumeComponentElement)element;
m_TargetEditor.AddComponent(e.type);
return true;
}
return false;
}
void AddNode(PathNode root, string path, Type type)
{
var current = root;
var parts = path.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var part in parts)
{
var child = current.nodes.Find(x => x.name == part);
if (child == null)
{
child = new PathNode { name = part, type = type };
current.nodes.Add(child);
}
current = child;
}
}
void Traverse(PathNode node, int depth, List<Element> tree)
{
node.nodes.Sort();
foreach (var n in node.nodes)
{
if (n.nodes.Count > 0) // Group
{
tree.Add(new GroupElement(depth, n.name));
Traverse(n, depth + 1, tree);
}
else // Element
{
tree.Add(new VolumeComponentElement(depth, n.name, n.type));
}
}
}
}
}