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using System;
using System.Collections.Generic;
using XUtliPoolLib;
namespace XMainClient
{
internal class XItemFilter
{
public ulong FilterValue
{
get
{
return this._FilterValue;
}
}
private HashSet<ItemType> _Types = null;
private HashSet<int> _IDs = null;
private ulong _FilterValue = 0UL;
private bool m_bExclusive = false;
public void AddItemType(ItemType type)
{
bool flag = this._Types == null;
if (flag)
{
this._Types = new HashSet<ItemType>(default(XFastEnumIntEqualityComparer<ItemType>));
}
this._Types.Add(type);
this._FilterValue |= 1UL << XFastEnumIntEqualityComparer<ItemType>.ToInt(type);
}
public void AddItemID(int id)
{
bool flag = this._IDs == null;
if (flag)
{
this._IDs = new HashSet<int>(default(XFastEnumIntEqualityComparer<int>));
}
this._IDs.Add(id);
}
public void ExcludeItemType(ItemType type)
{
bool flag = this._Types == null;
if (flag)
{
this._Types = new HashSet<ItemType>(default(XFastEnumIntEqualityComparer<ItemType>));
}
bool flag2 = !this.m_bExclusive;
if (flag2)
{
this.m_bExclusive = true;
this._FilterValue = ulong.MaxValue;
}
this._Types.Add(type);
this._FilterValue &= ~(1UL << XFastEnumIntEqualityComparer<ItemType>.ToInt(type));
}
public void ExcludeItemID(int id)
{
bool flag = this._IDs == null;
if (flag)
{
this._IDs = new HashSet<int>(default(XFastEnumIntEqualityComparer<int>));
}
bool flag2 = !this.m_bExclusive;
if (flag2)
{
this.m_bExclusive = true;
}
this._IDs.Add(id);
}
public void Clear()
{
bool flag = this._Types != null;
if (flag)
{
this._Types.Clear();
}
bool flag2 = this._IDs != null;
if (flag2)
{
this._IDs.Clear();
}
this._FilterValue = 0UL;
this.m_bExclusive = false;
}
public bool Contains(ItemType type)
{
bool bExclusive = this.m_bExclusive;
bool result;
if (bExclusive)
{
result = (this._Types == null || !this._Types.Contains(type));
}
else
{
result = (this._Types != null && this._Types.Contains(type));
}
return result;
}
public bool Contains(int id)
{
bool bExclusive = this.m_bExclusive;
bool result;
if (bExclusive)
{
result = (this._IDs == null || !this._IDs.Contains(id));
}
else
{
result = (this._IDs != null && this._IDs.Contains(id));
}
return result;
}
public bool Contains(List<ItemType> types)
{
for (int i = 0; i < types.Count; i++)
{
bool flag = this.Contains(types[i]);
if (flag)
{
return true;
}
}
return false;
}
public bool Contains(List<int> ids)
{
for (int i = 0; i < ids.Count; i++)
{
bool flag = this.Contains(ids[i]);
if (flag)
{
return true;
}
}
return false;
}
}
}
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