using System.Collections.Generic;
using UnityEngine;

[ExecuteInEditMode]
[AddComponentMenu("Modifiers/Morph Animator")]
public class MegaMorphAnimator : MonoBehaviour
{
	public MegaMorphBase morph;

	public MegaMorphBase[] morphs;

	public List<MegaMorphAnimClip> clips = new List<MegaMorphAnimClip>();

	public List<MegaPlayingClip> playing = new List<MegaPlayingClip>();

	public int current;

	public float t = -1f;

	public float at;

	public int sourceFPS = 30;

	public bool useFrames = true;

	private Stack<MegaPlayingClip> clippool;

	public bool MultipleMorphs;

	public bool LinkedUpdate;

	public bool PlayOnStart = true;

	private Animation myanim;

	public void UpdatePlayingClips()
	{
		if (playing.Count == 0)
		{
			return;
		}
		morph.ClearBlends();
		for (int num = playing.Count - 1; num >= 0; num--)
		{
			MegaPlayingClip megaPlayingClip = playing[num];
			MegaMorphAnimClip megaMorphAnimClip = clips[megaPlayingClip.clipIndex];
			if (megaPlayingClip.t >= 0f)
			{
				megaPlayingClip.t += Time.deltaTime * megaMorphAnimClip.speed;
				float num2 = megaMorphAnimClip.end - megaMorphAnimClip.start;
				switch (megaMorphAnimClip.loop)
				{
				case MegaRepeatMode.Loop:
					megaPlayingClip.at = Mathf.Repeat(megaPlayingClip.t, Mathf.Abs(num2));
					if (num2 < 0f)
					{
						megaPlayingClip.at = megaMorphAnimClip.start - megaPlayingClip.at;
					}
					break;
				case MegaRepeatMode.PingPong:
					megaPlayingClip.at = Mathf.PingPong(megaPlayingClip.t, num2);
					break;
				case MegaRepeatMode.Clamp:
					megaPlayingClip.at = Mathf.Clamp(megaPlayingClip.t, 0f, num2);
					break;
				}
				megaPlayingClip.at += megaMorphAnimClip.start;
				if (megaPlayingClip.targetblendtime != 0f)
				{
					if (megaPlayingClip.targetblendtime > 0f)
					{
						megaPlayingClip.blendtime += Time.deltaTime;
						if (megaPlayingClip.blendtime >= megaPlayingClip.targetblendtime)
						{
							megaPlayingClip.targetblendtime = 0f;
							megaPlayingClip.weight = 1f;
						}
						else
						{
							megaPlayingClip.weight = (megaPlayingClip.targetblendtime - megaPlayingClip.blendtime) / megaPlayingClip.targetblendtime;
						}
					}
					else
					{
						megaPlayingClip.blendtime -= Time.deltaTime;
						if (megaPlayingClip.blendtime <= megaPlayingClip.targetblendtime)
						{
							megaPlayingClip.targetblendtime = 0f;
							megaPlayingClip.weight = 0f;
						}
						else
						{
							megaPlayingClip.weight = (megaPlayingClip.targetblendtime - megaPlayingClip.blendtime) / megaPlayingClip.targetblendtime;
						}
					}
				}
				if (megaPlayingClip.weight != 0f)
				{
					if (MultipleMorphs)
					{
						if (morphs != null)
						{
							for (int i = 0; i < morphs.Length; i++)
							{
								morphs[i].SetAnimBlend(megaPlayingClip.at, megaPlayingClip.weight);
							}
						}
					}
					else if ((bool)morph)
					{
						morph.SetAnimBlend(megaPlayingClip.at, megaPlayingClip.weight);
					}
				}
				else
				{
					PushClip(megaPlayingClip);
					playing.RemoveAt(num);
				}
			}
		}
	}

	[ContextMenu("Help")]
	public void Help()
	{
		Application.OpenURL("http://www.west-racing.com/mf/?page_id=1108");
	}

	public bool IsPlaying()
	{
		if (t >= 0f)
		{
			return true;
		}
		return false;
	}

	public void SetTime(float time)
	{
		t = time;
	}

	public float GetTime()
	{
		return at;
	}

	public void PlayClipEvent(int i)
	{
		PlayClip(i);
	}

	public void PlayClipNameEvent(string name)
	{
		PlayClip(name);
	}

	public void PlayClip(int i)
	{
		if (i < clips.Count)
		{
			current = i;
			t = 0f;
		}
	}

	public void PlayClip(string name)
	{
		for (int i = 0; i < clips.Count; i++)
		{
			if (clips[i].name == name)
			{
				current = i;
				t = 0f;
				break;
			}
		}
	}

	public void PlayClip(int i, float blend)
	{
		if (i < clips.Count)
		{
			current = i;
			t = 0f;
			MegaPlayingClip megaPlayingClip = PopClip();
			megaPlayingClip.t = 0f;
			megaPlayingClip.targetblendtime = blend;
			MegaPlayingClip megaPlayingClip2 = playing[playing.Count - 1];
			megaPlayingClip2.blendtime = 0f - Mathf.Abs(megaPlayingClip2.blendtime);
			megaPlayingClip2.targetblendtime = 0f - blend;
			playing.Add(megaPlayingClip);
		}
	}

	public void PlayClip(string name, float blend)
	{
		for (int i = 0; i < clips.Count; i++)
		{
			if (clips[i].name == name)
			{
				PlayClip(i, blend);
				break;
			}
		}
	}

	public void Stop()
	{
		t = -1f;
	}

	public int AddClip(string name, float start, float end, MegaRepeatMode loop)
	{
		MegaMorphAnimClip item = new MegaMorphAnimClip(name, start, end, loop);
		clips.Add(item);
		return clips.Count - 1;
	}

	public string[] GetClipNames()
	{
		string[] array = new string[clips.Count];
		for (int i = 0; i < clips.Count; i++)
		{
			array[i] = clips[i].name;
		}
		return array;
	}

	private void Start()
	{
		if (clippool == null)
		{
			clippool = new Stack<MegaPlayingClip>(8);
		}
		if (PlayOnStart)
		{
			t = 0f;
		}
		else
		{
			t = -1f;
		}
	}

	private MegaPlayingClip PopClip()
	{
		return clippool.Pop();
	}

	private void PushClip(MegaPlayingClip clip)
	{
		clippool.Push(clip);
	}

	private void Update()
	{
		DoUpdate();
	}

	private void DoUpdate()
	{
		if (MultipleMorphs)
		{
			if (morphs == null)
			{
				morphs = GetComponentsInChildren<MegaMorphBase>();
			}
		}
		else if (morph == null)
		{
			morph = GetComponent<MegaMorphBase>();
		}
		if (LinkedUpdate)
		{
			DoLinkedUpdate();
		}
		else
		{
			if (clips.Count <= 0 || current >= clips.Count)
			{
				return;
			}
			UpdatePlayingClips();
			if (!(t >= 0f))
			{
				return;
			}
			t += Time.deltaTime * clips[current].speed;
			float num = clips[current].end - clips[current].start;
			switch (clips[current].loop)
			{
			case MegaRepeatMode.Loop:
				at = Mathf.Repeat(t, num);
				break;
			case MegaRepeatMode.PingPong:
				at = Mathf.PingPong(t, num);
				break;
			case MegaRepeatMode.Clamp:
				at = Mathf.Clamp(t, 0f, num);
				break;
			}
			at += clips[current].start;
			if (MultipleMorphs)
			{
				if (morphs != null)
				{
					for (int i = 0; i < morphs.Length; i++)
					{
						morphs[i].SetAnim(at);
					}
				}
			}
			else if ((bool)morph)
			{
				morph.SetAnim(at);
			}
		}
	}

	private void DoLinkedUpdate()
	{
		if (myanim == null)
		{
			myanim = GetComponent<Animation>();
		}
		if (!(myanim != null))
		{
			return;
		}
		foreach (AnimationState item in myanim)
		{
			if (!item.enabled)
			{
				continue;
			}
			AnimationClip clip = item.clip;
			if (!(clip != null))
			{
				continue;
			}
			for (int i = 0; i < clips.Count; i++)
			{
				if (!(clips[i].name == clip.name))
				{
					continue;
				}
				current = i;
				float num = item.time;
				if (clip.wrapMode == WrapMode.Default)
				{
					WrapMode wrapMode = myanim.wrapMode;
				}
				switch (clip.wrapMode)
				{
				case WrapMode.Loop:
					num = Mathf.Repeat(num, clip.length);
					break;
				case WrapMode.PingPong:
					num = Mathf.PingPong(num, clip.length);
					break;
				case WrapMode.ClampForever:
					num = Mathf.Clamp(num, 0f, clip.length);
					break;
				case WrapMode.Once:
					if (num > clip.length)
					{
						num = 0f;
					}
					break;
				}
				num += clips[current].start;
				if (MultipleMorphs)
				{
					if (morphs != null)
					{
						for (int j = 0; j < morphs.Length; j++)
						{
							morphs[j].SetAnim(at);
						}
					}
				}
				else if ((bool)morph)
				{
					morph.SetAnim(num);
				}
				return;
			}
		}
	}
}