// Warning: Some assembly references could not be resolved automatically. This might lead to incorrect decompilation of some parts,
// for ex. property getter/setter access. To get optimal decompilation results, please manually add the missing references to the list of loaded assemblies.
// EdenAutoMorpherScript, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null
// Eden.AutoMorpher.ClothHumanoidMaskUtil
using System.Collections.Generic;
using Eden.AutoMorpher;
using UnityEngine;

public class ClothHumanoidMaskUtil
{
	public void BuildExcludedVertexMaskForHandsAndHead(ClothInstance clothInstance, bool excludeHandRoot = false, bool excludeThumbRoot = false)
	{
		if (clothInstance == null || clothInstance.smr == null)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] clothInstance / smr 가 null");
			return;
		}
		SkinnedMeshRenderer smr = clothInstance.smr;
		Mesh mesh = clothInstance.editableMesh ?? smr.sharedMesh;
		if (mesh == null)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] mesh 가 null");
			return;
		}
		BoneWeight[] boneWeights = mesh.boneWeights;
		Transform[] bones = smr.bones;
		if (boneWeights == null || boneWeights.Length == 0 || bones == null || bones.Length == 0)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] boneWeights 또는 bones 비어있음");
			return;
		}
		if (clothInstance.humanoidMatchedBones == null || clothInstance.humanoidMatchedBones.Count == 0)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] humanoidMatchedBones 가 비어있음 (BodyToClothPoseApplier에서 매칭 안 되었을 가능성)");
			return;
		}
		int num = mesh.vertexCount;
		if (boneWeights.Length != num)
		{
			num = Mathf.Min(num, boneWeights.Length);
		}
		HashSet<Transform> excludedBones = new HashSet<Transform>();
		Dictionary<HumanBodyBones, HashSet<Transform>> humanoidMatchedBones = clothInstance.humanoidMatchedBones;
		if (humanoidMatchedBones.TryGetValue(HumanBodyBones.Head, out var value) && value != null)
		{
			foreach (Transform item in value)
			{
				if (!(item == null))
				{
					AddHierarchy(item, includeRoot: true);
				}
			}
		}
		if (humanoidMatchedBones.TryGetValue(HumanBodyBones.LeftHand, out var value2) && value2 != null)
		{
			foreach (Transform item2 in value2)
			{
				if (!(item2 == null))
				{
					AddHierarchy(item2, excludeHandRoot);
				}
			}
		}
		if (humanoidMatchedBones.TryGetValue(HumanBodyBones.RightHand, out var value3) && value3 != null)
		{
			foreach (Transform item3 in value3)
			{
				if (!(item3 == null))
				{
					AddHierarchy(item3, excludeHandRoot);
				}
			}
		}
		if (humanoidMatchedBones.TryGetValue(HumanBodyBones.LeftThumbProximal, out var value4) && value4 != null)
		{
			foreach (Transform item4 in value4)
			{
				if (!(item4 == null))
				{
					if (excludeThumbRoot)
					{
						excludedBones.Add(item4);
					}
					else
					{
						excludedBones.Remove(item4);
					}
				}
			}
		}
		if (humanoidMatchedBones.TryGetValue(HumanBodyBones.RightThumbProximal, out var value5) && value5 != null)
		{
			foreach (Transform item5 in value5)
			{
				if (!(item5 == null))
				{
					if (excludeThumbRoot)
					{
						excludedBones.Add(item5);
					}
					else
					{
						excludedBones.Remove(item5);
					}
				}
			}
		}
		bool[] boneIndexExcluded = new bool[bones.Length];
		for (int i = 0; i < bones.Length; i++)
		{
			Transform transform = bones[i];
			if (transform != null && excludedBones.Contains(transform))
			{
				boneIndexExcluded[i] = true;
			}
		}
		bool[] array = new bool[num];
		for (int j = 0; j < num; j++)
		{
			BoneWeight boneWeight = boneWeights[j];
			float excludedWeightSum = 0f;
			AddExcludedWeight(boneWeight.weight0, boneWeight.boneIndex0);
			AddExcludedWeight(boneWeight.weight1, boneWeight.boneIndex1);
			AddExcludedWeight(boneWeight.weight2, boneWeight.boneIndex2);
			AddExcludedWeight(boneWeight.weight3, boneWeight.boneIndex3);
			array[j] = excludedWeightSum >= 0.8f;
			void AddExcludedWeight(float w, int bi)
			{
				if (!(w <= 0f) && bi >= 0 && bi < boneIndexExcluded.Length && boneIndexExcluded[bi])
				{
					excludedWeightSum += w;
				}
			}
		}
		clothInstance.excludedVertices = array;
		BuildLegVertexMasks(clothInstance);
		void AddHierarchy(Transform root, bool includeRoot)
		{
			if (!(root == null))
			{
				Stack<Transform> stack = new Stack<Transform>();
				if (includeRoot)
				{
					stack.Push(root);
				}
				else
				{
					for (int k = 0; k < root.childCount; k++)
					{
						stack.Push(root.GetChild(k));
					}
				}
				while (stack.Count > 0)
				{
					Transform transform2 = stack.Pop();
					if (!(transform2 == null) && excludedBones.Add(transform2))
					{
						for (int l = 0; l < transform2.childCount; l++)
						{
							stack.Push(transform2.GetChild(l));
						}
					}
				}
			}
		}
	}

	public void BuildLegVertexMasks(ClothInstance clothInstance)
	{
		if (clothInstance == null || clothInstance.smr == null)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] clothInstance / smr 가 null");
			return;
		}
		SkinnedMeshRenderer smr = clothInstance.smr;
		Mesh mesh = clothInstance.editableMesh ?? smr.sharedMesh;
		if (mesh == null)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] mesh 가 null");
			return;
		}
		BoneWeight[] boneWeights = mesh.boneWeights;
		Transform[] bones = smr.bones;
		if (boneWeights == null || boneWeights.Length == 0 || bones == null || bones.Length == 0)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] boneWeights 또는 bones 비어있음");
			return;
		}
		if (clothInstance.humanoidMatchedBones == null || clothInstance.humanoidMatchedBones.Count == 0)
		{
			Debug.LogWarning("[ClothHumanoidMaskUtil] humanoidMatchedBones 가 비어있음 (BodyToClothPoseApplier에서 매칭 필요)");
			return;
		}
		int num = mesh.vertexCount;
		if (boneWeights.Length != num)
		{
			num = Mathf.Min(num, boneWeights.Length);
		}
		Dictionary<HumanBodyBones, HashSet<Transform>> humanoidMatchedBones = clothInstance.humanoidMatchedBones;
		HashSet<Transform> hashSet = new HashSet<Transform>();
		HashSet<Transform> hashSet2 = new HashSet<Transform>();
		if (humanoidMatchedBones.TryGetValue(HumanBodyBones.LeftUpperLeg, out var value) && value != null)
		{
			foreach (Transform item in value)
			{
				if (!(item == null))
				{
					CollectHierarchy(item, hashSet);
				}
			}
		}
		if (humanoidMatchedBones.TryGetValue(HumanBodyBones.RightUpperLeg, out var value2) && value2 != null)
		{
			foreach (Transform item2 in value2)
			{
				if (!(item2 == null))
				{
					CollectHierarchy(item2, hashSet2);
				}
			}
		}
		bool[] boneIsLeftLeg = new bool[bones.Length];
		bool[] boneIsRightLeg = new bool[bones.Length];
		for (int i = 0; i < bones.Length; i++)
		{
			Transform transform = bones[i];
			if (!(transform == null))
			{
				if (hashSet.Contains(transform))
				{
					boneIsLeftLeg[i] = true;
				}
				if (hashSet2.Contains(transform))
				{
					boneIsRightLeg[i] = true;
				}
			}
		}
		bool[] array = new bool[num];
		bool[] array2 = new bool[num];
		for (int j = 0; j < num; j++)
		{
			BoneWeight boneWeight = boneWeights[j];
			float leftWeight = 0f;
			float rightWeight = 0f;
			Check(boneWeight.boneIndex0, boneWeight.weight0);
			Check(boneWeight.boneIndex1, boneWeight.weight1);
			Check(boneWeight.boneIndex2, boneWeight.weight2);
			Check(boneWeight.boneIndex3, boneWeight.weight3);
			if (leftWeight > 0.8f)
			{
				array[j] = true;
				array2[j] = false;
			}
			else if (rightWeight > 0.8f)
			{
				array[j] = false;
				array2[j] = true;
			}
			else
			{
				array[j] = false;
				array2[j] = false;
			}
			void Check(int bi, float w)
			{
				if (bi >= 0 && bi < bones.Length && !(w <= 0f))
				{
					if (boneIsLeftLeg[bi])
					{
						leftWeight += w;
					}
					if (boneIsRightLeg[bi])
					{
						rightWeight += w;
					}
				}
			}
		}
		clothInstance.isLeftLegVertex = array;
		clothInstance.isRightLegVertex = array2;
		static void CollectHierarchy(Transform root, HashSet<Transform> set)
		{
			if (!(root == null))
			{
				Stack<Transform> stack = new Stack<Transform>();
				stack.Push(root);
				while (stack.Count > 0)
				{
					Transform transform2 = stack.Pop();
					if (!(transform2 == null) && set.Add(transform2))
					{
						for (int k = 0; k < transform2.childCount; k++)
						{
							stack.Push(transform2.GetChild(k));
						}
					}
				}
			}
		}
	}
}