// 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.profile.ProfileLoader
using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using Eden.AutoMorpher;
using Eden.AutoMorpher.profile;
using UnityEngine;

public class ProfileLoader
{
	private ProfileData loadedProfileData;

	private const int HEX32_W = 8;

	public List<string> GetProfileList()
	{
		ProfileUtils profileUtils = new ProfileUtils();
		string text = Path.Combine(Application.dataPath, profileUtils.GetProfileBasePath());
		List<string> list = new List<string>();
		if (!Directory.Exists(text))
		{
			Debug.LogWarning("[ProfileUtils] Profile base path does not exist: " + text);
			return list;
		}
		string[] directories = Directory.GetDirectories(text);
		foreach (string text2 in directories)
		{
			string fileName = Path.GetFileName(text2);
			if (!string.IsNullOrEmpty(fileName))
			{
				string path = Path.Combine(text2, fileName + ".json");
				string path2 = Path.Combine(text2, fileName + ".eb");
				if (File.Exists(path) && File.Exists(path2))
				{
					list.Add(fileName);
				}
			}
		}
		return list;
	}

	public ProfileData LoadProfileData(string profileName)
	{
		ProfileUtils profileUtils = new ProfileUtils();
		string path = Path.Combine(Application.dataPath, profileUtils.GetProfileBasePath());
		path = Path.Combine(path, profileName);
		path = Path.Combine(path, profileName + ".json");
		if (string.IsNullOrWhiteSpace(path))
		{
			throw new AutoMorpherException("Profile File Path is Invalid", "[ProfileLoader] LoadProfileData\n - Profile Path is null, empty, or whitespace");
		}
		if (!File.Exists(path))
		{
			throw new AutoMorpherException("Profile File Does Not Exist", "[ProfileLoader] LoadProfileData\n - profile file does not exist\n - path : " + path);
		}
		string json = File.ReadAllText(path);
		loadedProfileData = JsonUtility.FromJson<ProfileData>(json);
		if (loadedProfileData == null)
		{
			throw new AutoMorpherException("Failed to Load Profile Data", "[ProfileLoader] LoadProfileData\n - Can't Load Profile Data\n - Please place a valid profile data file at " + path);
		}
		return loadedProfileData;
	}

	public BvhTriangleMesh LoadBvhWithRootTransform(Transform rootTransform, string profileName)
	{
		ProfileUtils profileUtils = new ProfileUtils();
		string path = Path.Combine(Application.dataPath, profileUtils.GetProfileBasePath());
		path = Path.Combine(path, profileName);
		path = Path.Combine(path, profileName + ".eb");
		if (rootTransform == null)
		{
			throw new AutoMorpherException("Root Transform is Null", "[ProfileLoader] LoadBvhWithRootTransform\n - rootTransform is null");
		}
		if (string.IsNullOrEmpty(path))
		{
			throw new AutoMorpherException("Profile BVH Path is Invalid", "[ProfileLoader] LoadBvhWithRootTransform\n - profileBvhPath is null or empty");
		}
		int version;
		ProfileBVH profileBVH = LoadProfileBVHData(path, out version);
		if (profileBVH == null || profileBVH.vertices == null || profileBVH.datas == null || profileBVH.nodes == null || profileBVH.dataIndices == null)
		{
			throw new AutoMorpherException("Profile BVH Data is Invalid", "[ProfileLoader] LoadBvhWithRootTransform\n - profile or one of its internal data fields is null");
		}
		Matrix4x4 localToWorldMatrix = rootTransform.localToWorldMatrix;
		int num = profileBVH.datas.Length;
		BvhTriangleMesh bvhTriangleMesh = new BvhTriangleMesh
		{
			triangles = new BvhTriangle[num],
			triIndices = new int[profileBVH.dataIndices.Length],
			nodes = new BvhNode[profileBVH.nodes.Length]
		};
		for (int i = 0; i < num; i++)
		{
			profileBVHData profileBVHData2 = profileBVH.datas[i];
			Vector3 point = profileBVH.vertices[profileBVHData2.verA];
			Vector3 point2 = profileBVH.vertices[profileBVHData2.verB];
			Vector3 point3 = profileBVH.vertices[profileBVHData2.verC];
			Vector3 a = localToWorldMatrix.MultiplyPoint3x4(point);
			Vector3 b = localToWorldMatrix.MultiplyPoint3x4(point2);
			Vector3 c = localToWorldMatrix.MultiplyPoint3x4(point3);
			Vector3 normal = ComputeTriangleNormal(a, b, c);
			bvhTriangleMesh.triangles[i] = new BvhTriangle
			{
				a = a,
				b = b,
				c = c,
				normal = normal,
				mainHumanBone = HumanBodyBones.LastBone
			};
		}
		Array.Copy(profileBVH.dataIndices, bvhTriangleMesh.triIndices, profileBVH.dataIndices.Length);
		for (int j = 0; j < profileBVH.nodes.Length; j++)
		{
			profileBVHNode profileBVHNode2 = profileBVH.nodes[j];
			bvhTriangleMesh.nodes[j] = new BvhNode
			{
				isLeaf = profileBVHNode2.isLeaf,
				leftChild = profileBVHNode2.leftChild,
				rightChild = profileBVHNode2.rightChild,
				start = profileBVHNode2.start,
				count = profileBVHNode2.count,
				bounds = TransformBoundsToWorldAABB(localToWorldMatrix, profileBVHNode2.bounds)
			};
		}
		return bvhTriangleMesh;
	}

	private ProfileBVH LoadProfileBVHData(string path, out int version)
	{
		version = 0;
		int num = 0;
		if (!File.Exists(path))
		{
			throw new AutoMorpherException("Profile BVH File Not Found", "[ProfileLoader] LoadProfileBVHData\n - file not found\n - path : " + path);
		}
		string text = File.ReadAllText(path, Encoding.UTF8);
		int num2 = 0;
		ProfileUtils profileUtils = new ProfileUtils();
		string profileMagic = profileUtils.GetProfileMagic();
		if (text.Length < profileMagic.Length || text.Substring(0, profileMagic.Length) != profileMagic)
		{
			throw new AutoMorpherException("Profile BVH Magic Mismatch", "[ProfileLoader] LoadProfileBVHData\n - magic string mismatch\n - invalid or corrupted BVH file");
		}
		num2 += profileMagic.Length;
		version = ReadHexIntSafe(text, ref num2);
		num = ReadHexIntSafe(text, ref num2);
		int num3 = ReadHexIntSafe(text, ref num2);
		int num4 = ReadHexIntSafe(text, ref num2);
		int num5 = ReadHexIntSafe(text, ref num2);
		int num6 = ReadHexIntSafe(text, ref num2);
		if (num3 < 0 || num4 < 0 || num5 < 0 || num6 < 0)
		{
			throw new AutoMorpherException("Profile BVH Count Data is Invalid", "[ProfileLoader] LoadProfileBVHData\n - one or more count values are negative");
		}
		Vector3[] array = new Vector3[num3];
		for (int i = 0; i < num3; i++)
		{
			array[i] = ReadHexVec3Safe(text, ref num2);
		}
		int version2;
		int countInFile;
		BaseKey3[] array2 = new ProfileUtils_VertexUtil().LoadTable(profileUtils.GetBaseDataPath(), out version2, out countInFile);
		if (array2 == null || array2.Length == 0)
		{
			throw new AutoMorpherException("Profile BVH Base Vertex Table is Invalid", "[ProfileLoader] LoadProfileBVHData\n - base vertex table is null or empty");
		}
		ProfileUtil_IndexUtil profileUtil_IndexUtil = new ProfileUtil_IndexUtil();
		profileUtil_IndexUtil.Build(num);
		Vector3[] array3 = new Vector3[num3];
		profileUtil_IndexUtil.DecodeInto(array, array3);
		Vector3[] array4 = new Vector3[num3];
		for (int j = 0; j < num3; j++)
		{
			array4[j] = TransformVec3(array3[j], array2[j % array2.Length]);
		}
		ProfileBVH profileBVH = new ProfileBVH
		{
			vertices = new List<Vector3>(num3),
			datas = new profileBVHData[num4],
			nodes = new profileBVHNode[num5],
			dataIndices = new int[num6]
		};
		profileBVH.vertices.AddRange(array4);
		for (int k = 0; k < num4; k++)
		{
			profileBVH.datas[k] = new profileBVHData
			{
				verA = ReadHexIntSafe(text, ref num2),
				verB = ReadHexIntSafe(text, ref num2),
				verC = ReadHexIntSafe(text, ref num2)
			};
		}
		for (int l = 0; l < num5; l++)
		{
			Vector3 center = ReadHexVec3Safe(text, ref num2);
			Vector3 vector = ReadHexVec3Safe(text, ref num2);
			profileBVH.nodes[l] = new profileBVHNode
			{
				bounds = new Bounds(center, vector * 2f),
				leftChild = ReadHexIntSafe(text, ref num2),
				rightChild = ReadHexIntSafe(text, ref num2),
				start = ReadHexIntSafe(text, ref num2),
				count = ReadHexIntSafe(text, ref num2),
				isLeaf = (num2 < text.Length && text[num2++] == '1')
			};
		}
		for (int m = 0; m < num6; m++)
		{
			profileBVH.dataIndices[m] = ReadHexIntSafe(text, ref num2);
		}
		return profileBVH;
	}

	private int ReadHexIntSafe(string s, ref int p)
	{
		if (p + 8 > s.Length)
		{
			p = s.Length;
			throw new AutoMorpherException("Profile BVH ReadHexInt Out of Range", "[ProfileBVH] ReadHexIntSafe\n - read position exceeds string length");
		}
		uint result = Convert.ToUInt32(s.Substring(p, 8), 16);
		p += 8;
		return (int)result;
	}

	private Vector3 ReadHexVec3Safe(string s, ref int p)
	{
		return new Vector3(ReadHexFloatSafe(s, ref p), ReadHexFloatSafe(s, ref p), ReadHexFloatSafe(s, ref p));
	}

	private float ReadHexFloatSafe(string s, ref int p)
	{
		if (p + 8 > s.Length)
		{
			p = s.Length;
			throw new AutoMorpherException("Profile BVH ReadHexFloat Out of Range", "[ProfileBVH] ReadHexFloat\n - read position exceeds string length");
		}
		uint value = Convert.ToUInt32(s.Substring(p, 8), 16);
		p += 8;
		return BitConverter.Int32BitsToSingle((int)value);
	}

	private Vector3 TransformVec3(Vector3 v, BaseKey3 k)
	{
		return new Vector3(TransformFloatBits(v.x, k.x), TransformFloatBits(v.y, k.y), TransformFloatBits(v.z, k.z));
	}

	private float TransformFloatBits(float a, uint keyBits)
	{
		return BitConverter.Int32BitsToSingle(BitConverter.SingleToInt32Bits(a) ^ (int)keyBits);
	}

	private Vector3 ComputeTriangleNormal(Vector3 a, Vector3 b, Vector3 c)
	{
		Vector3 vector = Vector3.Cross(b - a, c - a);
		float magnitude = vector.magnitude;
		if (magnitude > 1E-08f)
		{
			return vector / magnitude;
		}
		return Vector3.up;
	}

	private Bounds TransformBoundsToWorldAABB(Matrix4x4 l2w, Bounds localBounds)
	{
		Vector3 center = localBounds.center;
		Vector3 extents = localBounds.extents;
		Vector3 vector = l2w.MultiplyPoint3x4(center + new Vector3(0f - extents.x, 0f - extents.y, 0f - extents.z));
		Vector3 p = l2w.MultiplyPoint3x4(center + new Vector3(0f - extents.x, 0f - extents.y, extents.z));
		Vector3 p2 = l2w.MultiplyPoint3x4(center + new Vector3(0f - extents.x, extents.y, 0f - extents.z));
		Vector3 p3 = l2w.MultiplyPoint3x4(center + new Vector3(0f - extents.x, extents.y, extents.z));
		Vector3 p4 = l2w.MultiplyPoint3x4(center + new Vector3(extents.x, 0f - extents.y, 0f - extents.z));
		Vector3 p5 = l2w.MultiplyPoint3x4(center + new Vector3(extents.x, 0f - extents.y, extents.z));
		Vector3 p6 = l2w.MultiplyPoint3x4(center + new Vector3(extents.x, extents.y, 0f - extents.z));
		Vector3 p7 = l2w.MultiplyPoint3x4(center + new Vector3(extents.x, extents.y, extents.z));
		Vector3 min = vector;
		Vector3 max = vector;
		Encapsulate(ref min, ref max, p);
		Encapsulate(ref min, ref max, p2);
		Encapsulate(ref min, ref max, p3);
		Encapsulate(ref min, ref max, p4);
		Encapsulate(ref min, ref max, p5);
		Encapsulate(ref min, ref max, p6);
		Encapsulate(ref min, ref max, p7);
		return new Bounds((min + max) * 0.5f, max - min);
	}

	private void Encapsulate(ref Vector3 min, ref Vector3 max, Vector3 p)
	{
		min = Vector3.Min(min, p);
		max = Vector3.Max(max, p);
	}
}