public Multi(ArrayList list)
{
this.m_MultiID = 0;
int count = list.Count;
int index = 0;
this.m_xMin = 1000;
this.m_yMin = 1000;
this.m_xMax = -1000;
this.m_yMax = -1000;
for (; index < count; ++index)
{
MultiItem multiItem = (MultiItem)list[index];
if ((int)multiItem.X < this.m_xMin)
{
this.m_xMin = (int)multiItem.X;
}
if ((int)multiItem.Y < this.m_yMin)
{
this.m_yMin = (int)multiItem.Y;
}
if ((int)multiItem.X > this.m_xMax)
{
this.m_xMax = (int)multiItem.X;
}
if ((int)multiItem.Y > this.m_yMax)
{
this.m_yMax = (int)multiItem.Y;
}
}
this.m_List = list;
this.UpdateRadar();
}
public Multi(int MultiID)
{
this.m_MultiID = MultiID;
ArrayList arrayList = Engine.Multis.Load(MultiID);
int count = arrayList.Count;
int index = 0;
this.m_xMin = 1000;
this.m_yMin = 1000;
this.m_xMax = -1000;
this.m_yMax = -1000;
for (; index < count; ++index)
{
MultiItem multiItem = (MultiItem)arrayList[index];
if ((int)multiItem.X < this.m_xMin)
{
this.m_xMin = (int)multiItem.X;
}
if ((int)multiItem.Y < this.m_yMin)
{
this.m_yMin = (int)multiItem.Y;
}
if ((int)multiItem.X > this.m_xMax)
{
this.m_xMax = (int)multiItem.X;
}
if ((int)multiItem.Y > this.m_yMax)
{
this.m_yMax = (int)multiItem.Y;
}
}
this.m_List = arrayList;
this.UpdateRadar();
}
public bool Remove(int x, int y, int z, int itemID)
{
if (x < this.m_xMin || y < this.m_yMin || (x > this.m_xMax || y > this.m_yMax))
{
return(false);
}
bool flag = false;
for (int index = 0; index < this.m_List.Count; ++index)
{
MultiItem multiItem = (MultiItem)this.m_List[index];
if ((int)multiItem.X == x && (int)multiItem.Y == y && ((int)multiItem.Z == z && (int)multiItem.ItemID == itemID))
{
this.m_List.RemoveAt(index--);
flag = true;
}
}
return(flag);
}
private unsafe ArrayList ReadFromDisk(int multiID)
{
BinaryReader binaryReader = new BinaryReader(Engine.FileManager.OpenMUL(Files.MultiIdx));
binaryReader.BaseStream.Seek((long)(multiID * 12), SeekOrigin.Begin);
int num = binaryReader.ReadInt32();
int length1 = binaryReader.ReadInt32();
binaryReader.Close();
if (num == -1)
{
return(new ArrayList());
}
Stream stream = Engine.FileManager.OpenMUL(Files.MultiMul);
stream.Seek((long)num, SeekOrigin.Begin);
byte[] buffer = new byte[length1];
UnsafeMethods.ReadFile((FileStream)stream, buffer, 0, buffer.Length);
stream.Close();
int length2 = length1 / sizeof(MultiItem);
MultiItem[] multiItemArray = new MultiItem[length2];
fixed(byte *numPtr = buffer)
{
MultiItem *multiItemPtr1 = (MultiItem *)numPtr;
MultiItem *multiItemPtr2 = multiItemPtr1 + length2;
fixed(MultiItem *multiItemPtr3 = multiItemArray)
{
MultiItem *multiItemPtr4 = multiItemPtr3;
while (multiItemPtr1 < multiItemPtr2)
{
*multiItemPtr4++ = *multiItemPtr1++;
}
}
}
return(new ArrayList((ICollection)multiItemArray));
}
public void Add(int itemID, int x, int y, int z)
{
if (x < this.m_xMin || y < this.m_yMin || (x > this.m_xMax || y > this.m_yMax))
{
return;
}
for (int index = 0; index < this.m_List.Count; ++index)
{
MultiItem multiItem = (MultiItem)this.m_List[index];
if ((int)multiItem.X == x && (int)multiItem.Y == y && ((int)multiItem.Z == z && (int)Map.GetHeight((int)multiItem.ItemID) > 0 == (int)Map.GetHeight(itemID) > 0))
{
this.m_List.RemoveAt(index--);
}
}
this.m_List.Add((object)new MultiItem()
{
Flags = 1,
ItemID = (short)itemID,
X = (short)x,
Y = (short)y,
Z = (short)z
});
}
public static unsafe void LoadDeflated(int xMin, int yMin, int xMax, int yMax, byte[] buffer, ArrayList list)
{
int num1 = yMax - yMin + 1;
fixed(byte *numPtr1 = buffer)
{
IntPtr num2 = new IntPtr(1);
byte * numPtr2 = numPtr1 + num2.ToInt64();
int num3 = (int)numPtr1[0];
for (int index1 = 0; index1 < num3; ++index1)
{
int num4 = (int)*numPtr2 >> 4 & 15;
int num5 = (int)*numPtr2 & 15;
int length1 = (int)numPtr2[1] | (int)numPtr2[3] << 4 & 3840;
int length2 = (int)numPtr2[2] | (int)numPtr2[3] << 8 & 3840;
numPtr2 += 4;
if (CustomMultiEntry.m_InflateBuffer == null || CustomMultiEntry.m_InflateBuffer.Length < length1)
CustomMultiEntry.m_InflateBuffer = new byte[length1];
fixed(byte *numPtr3 = CustomMultiEntry.m_InflateBuffer)
{
IntPtr ptr = (IntPtr)numPtr3;
var localPtr = (byte *)ptr;
byte[] numArray = new byte[length2];
for (int index2 = 0; index2 < numArray.Length; ++index2)
{
numArray[index2] = *numPtr2++;
}
ZLib.Decompress(CustomMultiEntry.m_InflateBuffer, ref length1, numArray, numArray.Length);
byte *numPtr4 = localPtr + length1;
switch (num4)
{
case 0:
while (localPtr < numPtr4)
{
MultiItem multiItem = new MultiItem();
multiItem.Flags = 1;
multiItem.ItemID = (short)(localPtr[0] << 8 | localPtr[1]);
multiItem.X = (short)localPtr[2];
multiItem.Y = (short)localPtr[3];
multiItem.Z = (short)localPtr[4];
localPtr += 5;
if ((int)multiItem.ItemID != 0)
{
list.Add((object)multiItem);
}
}
break;
case 1:
int num6 = 0;
switch (num5)
{
case 0:
num6 = 0;
break;
case 1:
case 5:
num6 = 7;
break;
case 2:
case 6:
num6 = 27;
break;
case 3:
case 7:
num6 = 47;
break;
case 4:
case 8:
num6 = 67;
break;
}
while (localPtr < numPtr4)
{
MultiItem multiItem = new MultiItem();
multiItem.Flags = 1;
multiItem.ItemID = (short)((int)localPtr[0] << 8 | (int)localPtr[1]);
multiItem.X = (short)(sbyte)localPtr[2];
multiItem.Y = (short)(sbyte)localPtr[3];
multiItem.Z = (short)(sbyte)num6;
localPtr += 4;
if ((int)multiItem.ItemID != 0)
{
list.Add((object)multiItem);
}
}
break;
case 2:
int num7 = 0;
switch (num5)
{
case 0:
num7 = 0;
break;
case 1:
case 5:
num7 = 7;
break;
case 2:
case 6:
num7 = 27;
break;
case 3:
case 7:
num7 = 47;
break;
case 4:
case 8:
num7 = 67;
break;
}
int num8;
int num9;
int num10;
if (num5 <= 0)
{
num8 = xMin;
num9 = yMin;
num10 = num1 + 1;
}
else if (num5 <= 4)
{
num8 = xMin + 1;
num9 = yMin + 1;
num10 = num1 - 1;
}
else
{
num8 = xMin;
num9 = yMin;
num10 = num1;
}
int num11 = 0;
while (localPtr < numPtr4)
{
short num12 = (short)((int)localPtr[0] << 8 | (int)localPtr[1]);
++num11;
localPtr += 2;
if ((int)num12 != 0)
{
list.Add((object)new MultiItem()
{
Flags = 1,
ItemID = num12,
X = (short)(num8 + (num11 - 1) / num10),
Y = (short)(sbyte)(num9 + (num11 - 1) % num10),
Z = (short)(sbyte)num7
});
}
}
break;
}
}
}
}
}
public void UpdateRadar()
{
int length1 = this.m_xMax - this.m_xMin + 1;
int length2 = this.m_yMax - this.m_yMin + 1;
if (length1 <= 0 || length2 <= 0)
{
return;
}
int[][] numArray1 = new int[length2][];
int[][] numArray2 = new int[length2][];
this.m_Inside = new sbyte[length2][];
this.m_RunUO_Inside = new sbyte[length2][];
this.m_Radar = new short[length2][];
for (int index1 = 0; index1 < length2; ++index1)
{
this.m_Radar[index1] = new short[length1];
this.m_Inside[index1] = new sbyte[length1];
this.m_RunUO_Inside[index1] = new sbyte[length1];
numArray1[index1] = new int[length1];
numArray2[index1] = new int[length1];
for (int index2 = 0; index2 < length1; ++index2)
{
numArray1[index1][index2] = int.MinValue;
}
for (int index2 = 0; index2 < length1; ++index2)
{
numArray2[index1][index2] = int.MinValue;
}
for (int index2 = 0; index2 < length1; ++index2)
{
this.m_Inside[index1][index2] = sbyte.MaxValue;
}
for (int index2 = 0; index2 < length1; ++index2)
{
this.m_RunUO_Inside[index1][index2] = sbyte.MaxValue;
}
}
for (int index1 = 0; index1 < this.m_List.Count; ++index1)
{
MultiItem multiItem = (MultiItem)this.m_List[index1];
int index2 = (int)multiItem.X - this.m_xMin;
int index3 = (int)multiItem.Y - this.m_yMin;
if (index2 >= 0 && index2 < length1 && (index3 >= 0 && index3 < length2))
{
int num1 = (int)multiItem.Z;
int num2 = num1 + (int)Map.GetHeight((int)multiItem.ItemID);
int num3 = numArray2[index3][index2];
int num4 = numArray1[index3][index2];
int num5 = (int)multiItem.ItemID;
if ((num2 > num4 || num2 == num4 && num1 > num3) && (num5 != 1 && num5 != 6038 && (num5 != 8612 && num5 != 8600)) && (num5 != 8636 && num5 != 8601))
{
this.m_Radar[index3][index2] = multiItem.ItemID;
numArray2[index3][index2] = num1;
numArray1[index3][index2] = num2;
}
if (!Map.GetTileFlags((int)multiItem.ItemID)[(TileFlag)268435456L])
{
int num6 = (int)multiItem.ItemID & 16383;
sbyte num7 = (sbyte)multiItem.Z;
if ((int)num7 < (int)this.m_Inside[index3][index2])
{
this.m_Inside[index3][index2] = num7;
}
if ((num6 < 2965 || num6 > 3086) && (num6 < 3139 || num6 > 3140) && (int)num7 < (int)this.m_RunUO_Inside[index3][index2])
{
this.m_RunUO_Inside[index3][index2] = num7;
}
}
}
}
}
public void Update(MapPackage map)
{
int count1 = this.m_Items.Count;
if (count1 == 0)
{
return;
}
int length1 = map.cells.GetLength(0);
int length2 = map.cells.GetLength(1);
int num1 = map.CellX;
int num2 = map.CellY;
int num3 = num1 + length1;
int num4 = num2 + length2;
int houseLevel = Options.Current.HouseLevel;
for (int index1 = 0; index1 < count1; ++index1)
{
Item obj = (Item)this.m_Items[index1];
if (obj.InWorld)
{
CustomMultiEntry customMulti = CustomMultiLoader.GetCustomMulti(obj.Serial, obj.Revision);
Multi multi = (Multi)null;
if (customMulti != null)
{
multi = customMulti.Multi;
}
if (multi == null)
{
multi = obj.Multi;
}
if (multi != null)
{
int xMin;
int yMin;
int xMax;
int yMax;
multi.GetBounds(out xMin, out yMin, out xMax, out yMax);
xMin += obj.X;
yMin += obj.Y;
xMax += obj.X;
yMax += obj.Y;
if (xMin < num3 && xMax >= num1 && (yMin < num4 && yMax >= num2))
{
ArrayList list = multi.List;
int count2 = list.Count;
int num5 = int.MinValue | index1;
for (int index2 = 0; index2 < count2; ++index2)
{
MultiItem multiItem = (MultiItem)list[index2];
if (multiItem.Flags != 0 || index2 == 0)
{
int num6 = obj.X + (int)multiItem.X;
int num7 = obj.Y + (int)multiItem.Y;
int index3 = num6 - num1;
int index4 = num7 - num2;
if (index3 >= 0 && index3 < length1 && (index4 >= 0 && index4 < length2))
{
bool flag = true;
int num8 = (int)multiItem.ItemID;
if (flag)
{
map.cells[index3, index4].Add((object)StaticItem.Instantiate((short)num8, multiItem.ItemID, (sbyte)(obj.Z + (int)multiItem.Z), num5 | index2 << 16));
}
}
}
}
}
}
}
}
}