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using System;
using System.Collections.Generic;
using UnityEngine;
using XUtliPoolLib;
namespace XMainClient
{
internal class CombineMeshUtility
{
public static int MaxPartCount = 8;
private List<CombineInstance[]> matCombineInstanceArrayCache = new List<CombineInstance[]>();
public CombineMeshUtility()
{
for (int i = 0; i < CombineMeshUtility.MaxPartCount; i++)
{
this.matCombineInstanceArrayCache.Add(new CombineInstance[i + 1]);
}
}
private CombineInstance[] GetMatCombineInstanceArray(int partCount)
{
int num = partCount - 1;
bool flag = num >= 0;
CombineInstance[] result;
if (flag)
{
bool flag2 = num >= this.matCombineInstanceArrayCache.Count;
if (flag2)
{
result = new CombineInstance[partCount];
}
else
{
result = this.matCombineInstanceArrayCache[num];
}
}
else
{
result = null;
}
return result;
}
public bool Combine(CombineMeshTask combineTask)
{
int num = 0;
for (int i = 0; i < 8; i++)
{
PartLoadTask partLoadTask = combineTask.parts[i] as PartLoadTask;
bool flag = partLoadTask.HasMesh();
if (flag)
{
num++;
}
}
combineTask.isOnepart = false;
CombineInstance[] matCombineInstanceArray = this.GetMatCombineInstanceArray(num);
bool flag2 = matCombineInstanceArray != null && combineTask.skin != null;
bool result;
if (flag2)
{
bool flag3 = false;
PartLoadTask partLoadTask2 = null;
int num2 = 0;
for (int j = 0; j < 8; j++)
{
PartLoadTask partLoadTask3 = combineTask.parts[j] as PartLoadTask;
bool flag4 = partLoadTask3.HasMesh();
if (flag4)
{
bool isReadable = partLoadTask3.mesh.isReadable;
if (isReadable)
{
CombineInstance combineInstance = default(CombineInstance);
combineInstance.mesh = partLoadTask3.mesh;
bool flag5 = partLoadTask3.partType != XMeshPartList.NormalPart;
if (flag5)
{
combineTask.isOnepart = true;
flag3 = (partLoadTask3.partType == XMeshPartList.CutoutPart);
partLoadTask2 = partLoadTask3;
}
combineInstance.subMeshIndex = 0;
combineInstance.subMeshIndex = 0;
matCombineInstanceArray[num2++] = combineInstance;
}
else
{
XSingleton<XDebug>.singleton.AddErrorLog2("Mesh not readable:{0}", new object[]
{
j
});
}
}
}
bool flag6 = combineTask.skin.sharedMesh == null;
if (flag6)
{
combineTask.skin.sharedMesh = new Mesh();
combineTask.skin.sharedMesh.MarkDynamic();
}
else
{
combineTask.skin.sharedMesh.Clear(true);
}
combineTask.skin.enabled = false;
combineTask.skin.gameObject.SetActive(false);
combineTask.skin.sharedMesh.CombineMeshes(matCombineInstanceArray, true, false);
combineTask.skin.gameObject.SetActive(true);
bool flag7 = combineTask.skin.sharedMaterial != null;
if (flag7)
{
XEquipDocument.ReturnMaterial(combineTask.skin.sharedMaterial);
combineTask.skin.sharedMaterial = null;
}
bool flag8 = combineTask.skin.sharedMaterial == null;
if (flag8)
{
bool flag9 = CombineMeshTask.s_CombineMatType == ECombineMatType.ECombined;
if (flag9)
{
combineTask.skin.sharedMaterial = XEquipDocument.GetRoleMat(combineTask.isOnepart, flag3, 0);
}
else
{
combineTask.skin.sharedMaterial = XEquipDocument.GetRoleMat(combineTask.isOnepart, flag3, combineTask.roleType);
}
}
bool flag10 = combineTask.skin.sharedMaterial != null;
if (flag10)
{
combineTask.skin.GetPropertyBlock(combineTask.mpb);
bool isOnepart = combineTask.isOnepart;
if (isOnepart)
{
PartLoadTask partLoadTask4 = combineTask.parts[XFastEnumIntEqualityComparer<EPartType>.ToInt(EPartType.ECombinePartStart)] as PartLoadTask;
PartLoadTask partLoadTask5 = combineTask.parts[XFastEnumIntEqualityComparer<EPartType>.ToInt(EPartType.EHair)] as PartLoadTask;
PartLoadTask partLoadTask6 = combineTask.parts[XFastEnumIntEqualityComparer<EPartType>.ToInt(EPartType.EHeadgear)] as PartLoadTask;
Texture texture = partLoadTask5.GetTexture();
ShaderManager.SetTexture(combineTask.mpb, partLoadTask4.GetTexture(), ShaderManager._ShaderKeyIDFace);
bool flag11 = texture == null;
if (flag11)
{
ShaderManager.SetTexture(combineTask.mpb, partLoadTask6.GetTexture(), ShaderManager._ShaderKeyIDHair);
}
else
{
ShaderManager.SetTexture(combineTask.mpb, texture, ShaderManager._ShaderKeyIDHair);
}
bool flag12 = partLoadTask2 != null;
if (flag12)
{
ShaderManager.SetTexture(combineTask.mpb, partLoadTask2.GetTexture(), ShaderManager._ShaderKeyIDBody);
bool flag13 = flag3;
if (flag13)
{
ShaderManager.SetTexture(combineTask.mpb, partLoadTask2.GetAlpha(), ShaderManager._ShaderKeyIDAlpha);
}
}
}
else
{
int k = 0;
int num3 = XFastEnumIntEqualityComparer<EPartType>.ToInt(EPartType.ECombinePartEnd);
while (k < num3)
{
PartLoadTask partLoadTask7 = combineTask.parts[k] as PartLoadTask;
bool flag14 = partLoadTask7.HasMesh();
if (flag14)
{
ShaderManager.SetTexture(combineTask.mpb, partLoadTask7.GetTexture(), ShaderManager._ShaderKeyIDSkin[k]);
}
k++;
}
}
}
result = true;
}
else
{
result = false;
}
return result;
}
}
}
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