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var toolbarType = Assembly
    .GetCallingAssembly()
    .GetType("UnityEditor.Toolbar")!;

var toolbar = toolbarType
    .GetField("get", BindingFlags.Public | BindingFlags.Static)!
    .GetValue(null);

var toolbarRootVisualElement = toolbarType
    .GetField("m_Root", BindingFlags.Instance | BindingFlags.NonPublic)!

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using System.Diagnostics;
using Unity.Collections;
using UnityEditor.Media;
using UnityEditor.Recorder.Encoder;

class HVECEncoder : IEncoder
{
    Process process;

    public void OpenStream(IEncoderSettings settings, RecordingContext ctx)

mminer

using UnityEngine;

/// <summary>
/// Represents a color with hue, saturation, and lightness.
/// </summary>
readonly struct HSL
{
    public Color Color => HSV.FromHSL(this).Color;

    public readonly float H;

mminer

// Adapted from https://stackoverflow.com/a/299526
static IEnumerable<MethodInfo> GetExtensionMethods(Assembly assembly, Type extendedType)
{
    return assembly
        .GetTypes()
        .Where(type => type.IsSealed && !type.IsGenericType && !type.IsNested)
        .SelectMany(type => type.GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static))
        .Where(method => method.IsDefined(typeof(ExtensionAttribute), false) &&
                         method.GetParameters()[0].ParameterType == extendedType);
}

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// This contains no error checking, which you want for such fragile code.
// You also probably want to cache `mainWindow` if you call this often.
static Rect GetMainWindowPosition()
{
    var containerWindowType = typeof(EditorWindow).Assembly.GetType("UnityEditor.ContainerWindow");
    var showModeField = containerWindowType.GetField("m_ShowMode", BindingFlags.Instance | BindingFlags.NonPublic);
    var mainWindow = Resources.FindObjectsOfTypeAll(containerWindowType).First(window => (int)showModeField.GetValue(window) == 4);
    var positionProperty = mainWindow.GetType().GetProperty("position", BindingFlags.Instance | BindingFlags.Public);
    return (Rect)positionProperty.GetValue(mainWindow, null);
}

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static Object GetMainEditorWindow()
{
    var containerWindowType = typeof(EditorWindow).Assembly.GetType("UnityEditor.ContainerWindow");
    var showModeField = containerWindowType.GetField("m_ShowMode", BindingFlags.Instance | BindingFlags.NonPublic);

    return Resources
        .FindObjectsOfTypeAll(containerWindowType)
        .First(window => (int)showModeField.GetValue(window) == 4);
}

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using UnityEngine;

/// <summary>
/// Attribute to add to Vector3 and Vector3[] fields to make them draggable in the scene.
/// </summary>
public class Draggable : PropertyAttribute
{
}

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// Example usage inside Editor.OnSceneGUI for Vector3 fields:
//
// foreach (var property in GetPropertiesWithAttribute<MyCustomAttribute>(serializedObject))
// {
//     Handles.Label(property.vector3Value, property.name);
// }

static IEnumerable<SerializedProperty> GetPropertiesWithAttribute<TAttribute>(SerializedObject serializedObject)
{
    var targetObjectType = serializedObject.targetObject.GetType();

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static Vector2 RandomPointOnUnitCircle()
{
    var angle = Random.Range(0f, Mathf.PI * 2);
    var x = Mathf.Sin(angle);
    var y = Mathf.Cos(angle);
    return new Vector2(x, y);
}

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using System;
using System.Collections.Generic;

public class StateMachine
{
    public interface IState
    {
        public void OnEnter();
        public void OnExit();
    }