public Multi(int MultiID)
{
this.m_MultiID = MultiID;
ArrayList list = Engine.Multis.Load(MultiID);
int count = list.Count;
int num2 = 0;
this.m_xMin = 0x3e8;
this.m_yMin = 0x3e8;
this.m_xMax = -1000;
this.m_yMax = -1000;
while (num2 < count)
{
MultiItem item = (MultiItem)list[num2];
if (item.X < this.m_xMin)
{
this.m_xMin = item.X;
}
if (item.Y < this.m_yMin)
{
this.m_yMin = item.Y;
}
if (item.X > this.m_xMax)
{
this.m_xMax = item.X;
}
if (item.Y > this.m_yMax)
{
this.m_yMax = item.Y;
}
num2++;
}
this.m_List = list;
this.UpdateRadar();
}
private unsafe ArrayList ReadFromDisk(int multiID)
{
BinaryReader reader = new BinaryReader(Engine.FileManager.OpenMUL(Files.MultiIdx));
reader.BaseStream.Seek((long)(multiID * 12), SeekOrigin.Begin);
int num = reader.ReadInt32();
int num2 = reader.ReadInt32();
reader.Close();
if (num == -1)
{
return(new ArrayList());
}
Stream stream = Engine.FileManager.OpenMUL(Files.MultiMul);
stream.Seek((long)num, SeekOrigin.Begin);
byte[] buffer = new byte[num2];
Engine.NativeRead((FileStream)stream, buffer, 0, buffer.Length);
stream.Close();
int num3 = num2 / 12;
MultiItem[] c = new MultiItem[num3];
fixed(byte *numRef = buffer)
{
MultiItem *itemPtr = (MultiItem *)numRef;
MultiItem *itemPtr2 = itemPtr + num3;
fixed(MultiItem *itemRef = c)
{
MultiItem *itemPtr3 = itemRef;
while (itemPtr < itemPtr2)
{
itemPtr->ItemID = (short)(itemPtr->ItemID & 0x3fff);
itemPtr->ItemID = (short)(itemPtr->ItemID + 0x4000);
itemPtr3++;
itemPtr++;
itemPtr3[0] = itemPtr[0];
}
}
}
return(new ArrayList(c));
}
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);
}
itemID &= 0x3fff;
itemID |= 0x4000;
bool flag = false;
for (int i = 0; i < this.m_List.Count; i++)
{
MultiItem item = (MultiItem)this.m_List[i];
if (((item.X == x) && (item.Y == y)) && ((item.Z == z) && (item.ItemID == itemID)))
{
this.m_List.RemoveAt(i--);
flag = true;
}
}
return(flag);
}
public static void LoadUncompressed(byte[] buffer, ArrayList list)
{
int num = buffer.Length / 5;
int num2 = 0;
for (int i = 0; i < num; i++)
{
int num4 = (buffer[num2++] << 8) | buffer[num2++];
int num5 = (sbyte)buffer[num2++];
int num6 = (sbyte)buffer[num2++];
int num7 = (sbyte)buffer[num2++];
MultiItem item = new MultiItem {
Flags = 1,
ItemID = (short)num4,
X = (short)num5,
Y = (short)num6,
Z = (short)num7
};
list.Add(item);
}
}
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))
{
itemID &= 0x3fff;
itemID |= 0x4000;
for (int i = 0; i < this.m_List.Count; i++)
{
MultiItem item = (MultiItem)this.m_List[i];
if (((item.X == x) && (item.Y == y)) && ((item.Z == z) && ((Map.GetHeight(item.ItemID) > 0) == (Map.GetHeight(itemID) > 0))))
{
this.m_List.RemoveAt(i--);
}
}
MultiItem item2 = new MultiItem {
Flags = 1,
ItemID = (short)itemID,
X = (short)x,
Y = (short)y,
Z = (short)z
};
this.m_List.Add(item2);
}
}
private unsafe ArrayList ReadFromDisk(int multiID)
{
BinaryReader reader = new BinaryReader(Engine.FileManager.OpenMUL(Files.MultiIdx));
reader.BaseStream.Seek((long) (multiID * 12), SeekOrigin.Begin);
int num = reader.ReadInt32();
int num2 = reader.ReadInt32();
reader.Close();
if (num == -1)
{
return new ArrayList();
}
Stream stream = Engine.FileManager.OpenMUL(Files.MultiMul);
stream.Seek((long) num, SeekOrigin.Begin);
byte[] buffer = new byte[num2];
Engine.NativeRead((FileStream) stream, buffer, 0, buffer.Length);
stream.Close();
int num3 = num2 / 12;
MultiItem[] c = new MultiItem[num3];
fixed (byte* numRef = buffer)
{
MultiItem* itemPtr = (MultiItem*) numRef;
MultiItem* itemPtr2 = itemPtr + num3;
fixed (MultiItem* itemRef = c)
{
MultiItem* itemPtr3 = itemRef;
while (itemPtr < itemPtr2)
{
itemPtr->ItemID = (short) (itemPtr->ItemID & 0x3fff);
itemPtr->ItemID = (short) (itemPtr->ItemID + 0x4000);
itemPtr3++;
itemPtr++;
itemPtr3[0] = itemPtr[0];
}
}
}
return new ArrayList(c);
}
public static unsafe void LoadDeflated(int xMin, int yMin, int xMax, int yMax, byte[] buffer, ArrayList list)
{
int num = (yMax - yMin) + 1;
fixed (byte* numRef = buffer)
{
byte* source = numRef;
int num2 = *(source++);
for (int i = 0; i < num2; i++)
{
int num4 = (source[0] >> 4) & 15;
int num5 = source[0] & 15;
int destLength = source[1] | ((source[3] << 4) & 0xf00);
int sourceLength = source[2] | ((source[3] << 8) & 0xf00);
source += 4;
if ((m_InflateBuffer == null) || (m_InflateBuffer.Length < destLength))
{
m_InflateBuffer = new byte[destLength];
}
fixed (byte* numRef2 = m_InflateBuffer)
{
MultiItem item;
int num8;
int num9;
int num10;
int num11;
int num12;
byte* dest = numRef2;
uncompress(dest, ref destLength, source, sourceLength);
source += sourceLength;
byte* numPtr3 = dest + destLength;
switch (num4)
{
case 0:
goto Label_014A;
case 1:
num8 = 0;
switch (num5)
{
case 0:
goto Label_018C;
case 1:
case 5:
goto Label_0191;
case 2:
case 6:
goto Label_0196;
case 3:
case 7:
goto Label_019C;
case 4:
case 8:
goto Label_01A2;
}
goto Label_0226;
case 2:
num9 = 0;
switch (num5)
{
case 0:
goto Label_0268;
case 1:
case 5:
goto Label_026D;
case 2:
case 6:
goto Label_0272;
case 3:
case 7:
goto Label_0278;
case 4:
case 8:
goto Label_027E;
}
goto Label_0284;
default:
{
continue;
}
}
Label_00CA:
item = new MultiItem();
item.Flags = 1;
item.ItemID = (short) (0x4000 | (((dest[0] << 8) | dest[1]) & 0x3fff));
item.X = (sbyte) dest[2];
item.Y = (sbyte) dest[3];
item.Z = (sbyte) dest[4];
dest += 5;
if (item.ItemID != 0x4000)
{
list.Add(item);
}
Label_014A:
if (dest < numPtr3)
{
goto Label_00CA;
}
continue;
Label_018C:
num8 = 0;
goto Label_0226;
Label_0191:
num8 = 7;
goto Label_0226;
Label_0196:
num8 = 0x1b;
goto Label_0226;
Label_019C:
num8 = 0x2f;
goto Label_0226;
Label_01A2:
num8 = 0x43;
Label_0226:
while (dest < numPtr3)
{
MultiItem item2 = new MultiItem {
Flags = 1,
ItemID = (short) (0x4000 | (((dest[0] << 8) | dest[1]) & 0x3fff)),
X = (sbyte) dest[2],
Y = (sbyte) dest[3],
Z = (sbyte) num8
};
dest += 4;
if (item2.ItemID != 0x4000)
{
list.Add(item2);
}
}
continue;
Label_0268:
num9 = 0;
goto Label_0284;
Label_026D:
num9 = 7;
goto Label_0284;
Label_0272:
num9 = 0x1b;
goto Label_0284;
Label_0278:
num9 = 0x2f;
goto Label_0284;
Label_027E:
num9 = 0x43;
Label_0284:
if (num5 <= 0)
{
num10 = xMin;
num11 = yMin;
num12 = num + 1;
}
else if (num5 <= 4)
{
num10 = xMin + 1;
num11 = yMin + 1;
num12 = num - 1;
}
else
{
num10 = xMin;
num11 = yMin;
num12 = num;
}
int num13 = 0;
while (dest < numPtr3)
{
short num14 = (short) (0x4000 | (((dest[0] << 8) | dest[1]) & 0x3fff));
num13++;
dest += 2;
if (num14 != 0x4000)
{
MultiItem item3 = new MultiItem {
Flags = 1,
ItemID = num14,
X = (short) (num10 + ((num13 - 1) / num12)),
Y = (sbyte) (num11 + ((num13 - 1) % num12)),
Z = (sbyte) num9
};
list.Add(item3);
}
}
}
}
}
}
public static void LoadUncompressed(byte[] buffer, ArrayList list)
{
int num = buffer.Length / 5;
int num2 = 0;
for (int i = 0; i < num; i++)
{
int num4 = (buffer[num2++] << 8) | buffer[num2++];
int num5 = (sbyte) buffer[num2++];
int num6 = (sbyte) buffer[num2++];
int num7 = (sbyte) buffer[num2++];
MultiItem item = new MultiItem {
Flags = 1,
ItemID = (short) num4,
X = (short) num5,
Y = (short) num6,
Z = (short) num7
};
list.Add(item);
}
}
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))
{
itemID &= 0x3fff;
itemID |= 0x4000;
for (int i = 0; i < this.m_List.Count; i++)
{
MultiItem item = (MultiItem) this.m_List[i];
if (((item.X == x) && (item.Y == y)) && ((item.Z == z) && ((Map.GetHeight(item.ItemID) > 0) == (Map.GetHeight(itemID) > 0))))
{
this.m_List.RemoveAt(i--);
}
}
MultiItem item2 = new MultiItem {
Flags = 1,
ItemID = (short) itemID,
X = (short) x,
Y = (short) y,
Z = (short) z
};
this.m_List.Add(item2);
}
}
private static void MultiTarget(PacketReader pvSrc)
{
pvSrc.ReadByte();
Engine.m_MultiPreview = true;
Engine.m_MultiSerial = pvSrc.ReadInt32();
Engine.TargetHandler = new MultiTargetHandler(Engine.m_MultiSerial);
pvSrc.Seek(12, SeekOrigin.Current);
Engine.m_MultiID = pvSrc.ReadInt16();
Engine.m_xMultiOffset = pvSrc.ReadInt16();
Engine.m_yMultiOffset = pvSrc.ReadInt16();
Engine.m_zMultiOffset = pvSrc.ReadInt16();
ArrayList list = new ArrayList(Engine.Multis.Load(Engine.m_MultiID));
int count = list.Count;
int x = 0x3e8;
int y = 0x3e8;
int num4 = -1000;
int num5 = -1000;
for (int i = 0; i < count; i++)
{
MultiItem item = (MultiItem) list[i];
if (item.X < x)
{
x = item.X;
}
if (item.X > num4)
{
num4 = item.X;
}
if (item.Y < y)
{
y = item.Y;
}
if (item.Y > num5)
{
num5 = item.Y;
}
}
Engine.m_MultiMinX = x;
Engine.m_MultiMinY = y;
Engine.m_MultiMaxX = num4;
Engine.m_MultiMaxY = num5;
ArrayList list2 = new ArrayList(list.Count);
for (int j = x; j <= num4; j++)
{
for (int k = y; k <= num5; k++)
{
ArrayList list3 = new ArrayList(8);
count = list.Count;
int index = 0;
while (index < count)
{
MultiItem item2 = (MultiItem) list[index];
if ((item2.X == j) && (item2.Y == k))
{
list3.Add(StaticItem.Instantiate(item2.ItemID, (sbyte) item2.Z, item2.Flags));
list.RemoveAt(index);
count--;
}
else
{
index++;
}
}
list3.Sort(TileSorter.Comparer);
count = list3.Count;
for (index = 0; index < count; index++)
{
StaticItem item3 = (StaticItem) list3[index];
MultiItem item4 = new MultiItem {
X = (short) j,
Y = (short) k,
Z = item3.Z,
ItemID = (short) ((item3.ID & 0x3fff) | 0x4000),
Flags = item3.Serial
};
list2.Add(item4);
}
}
}
Engine.m_MultiList = list2;
}
public void UpdateRadar()
{
int num = (this.m_xMax - this.m_xMin) + 1;
int num2 = (this.m_yMax - this.m_yMin) + 1;
if ((num > 0) && (num2 > 0))
{
int[][] numArray = new int[num2][];
int[][] numArray2 = new int[num2][];
this.m_Inside = new sbyte[num2][];
this.m_RunUO_Inside = new sbyte[num2][];
this.m_Radar = new short[num2][];
for (int i = 0; i < num2; i++)
{
this.m_Radar[i] = new short[num];
this.m_Inside[i] = new sbyte[num];
this.m_RunUO_Inside[i] = new sbyte[num];
numArray[i] = new int[num];
numArray2[i] = new int[num];
for (int k = 0; k < num; k++)
{
numArray[i][k] = -2147483648;
}
for (int m = 0; m < num; m++)
{
numArray2[i][m] = -2147483648;
}
for (int n = 0; n < num; n++)
{
this.m_Inside[i][n] = 0x7f;
}
for (int num7 = 0; num7 < num; num7++)
{
this.m_RunUO_Inside[i][num7] = 0x7f;
}
}
for (int j = 0; j < this.m_List.Count; j++)
{
MultiItem item = (MultiItem)this.m_List[j];
int index = item.X - this.m_xMin;
int num10 = item.Y - this.m_yMin;
if (((index >= 0) && (index < num)) && ((num10 >= 0) && (num10 < num2)))
{
int z = item.Z;
int num12 = z + Map.GetHeight(item.ItemID);
int num13 = numArray2[num10][index];
int num14 = numArray[num10][index];
int itemID = item.ItemID;
if (((num12 > num14) || ((num12 == num14) && (z > num13))) && ((((itemID != 0x4001) && (itemID != 0x5796)) && ((itemID != 0x61a4) && (itemID != 0x6198))) && ((itemID != 0x61bc) && (itemID != 0x6199))))
{
this.m_Radar[num10][index] = item.ItemID;
numArray2[num10][index] = z;
numArray[num10][index] = num12;
}
if (!Map.GetTileFlags(item.ItemID)[TileFlag.Roof])
{
itemID = item.ItemID & 0x3fff;
sbyte num16 = (sbyte)item.Z;
if (num16 < this.m_Inside[num10][index])
{
this.m_Inside[num10][index] = num16;
}
if ((((itemID < 0xb95) || (itemID > 0xc0e)) && ((itemID < 0xc43) || (itemID > 0xc44))) && (num16 < this.m_RunUO_Inside[num10][index]))
{
this.m_RunUO_Inside[num10][index] = num16;
}
}
}
}
}
}
public static unsafe void LoadDeflated(int xMin, int yMin, int xMax, int yMax, byte[] buffer, ArrayList list)
{
int num = (yMax - yMin) + 1;
fixed(byte *numRef = buffer)
{
byte *source = numRef;
int num2 = *(source++);
for (int i = 0; i < num2; i++)
{
int num4 = (source[0] >> 4) & 15;
int num5 = source[0] & 15;
int destLength = source[1] | ((source[3] << 4) & 0xf00);
int sourceLength = source[2] | ((source[3] << 8) & 0xf00);
source += 4;
if ((m_InflateBuffer == null) || (m_InflateBuffer.Length < destLength))
{
m_InflateBuffer = new byte[destLength];
}
fixed(byte *numRef2 = m_InflateBuffer)
{
MultiItem item;
int num8;
int num9;
int num10;
int num11;
int num12;
byte * dest = numRef2;
uncompress(dest, ref destLength, source, sourceLength);
source += sourceLength;
byte *numPtr3 = dest + destLength;
switch (num4)
{
case 0:
goto Label_014A;
case 1:
num8 = 0;
switch (num5)
{
case 0:
goto Label_018C;
case 1:
case 5:
goto Label_0191;
case 2:
case 6:
goto Label_0196;
case 3:
case 7:
goto Label_019C;
case 4:
case 8:
goto Label_01A2;
}
goto Label_0226;
case 2:
num9 = 0;
switch (num5)
{
case 0:
goto Label_0268;
case 1:
case 5:
goto Label_026D;
case 2:
case 6:
goto Label_0272;
case 3:
case 7:
goto Label_0278;
case 4:
case 8:
goto Label_027E;
}
goto Label_0284;
default:
{
continue;
}
}
Label_00CA:
item = new MultiItem();
item.Flags = 1;
item.ItemID = (short)(0x4000 | (((dest[0] << 8) | dest[1]) & 0x3fff));
item.X = (sbyte)dest[2];
item.Y = (sbyte)dest[3];
item.Z = (sbyte)dest[4];
dest += 5;
if (item.ItemID != 0x4000)
{
list.Add(item);
}
Label_014A:
if (dest < numPtr3)
{
goto Label_00CA;
}
continue;
Label_018C:
num8 = 0;
goto Label_0226;
Label_0191:
num8 = 7;
goto Label_0226;
Label_0196:
num8 = 0x1b;
goto Label_0226;
Label_019C:
num8 = 0x2f;
goto Label_0226;
Label_01A2:
num8 = 0x43;
Label_0226:
while (dest < numPtr3)
{
MultiItem item2 = new MultiItem {
Flags = 1,
ItemID = (short)(0x4000 | (((dest[0] << 8) | dest[1]) & 0x3fff)),
X = (sbyte)dest[2],
Y = (sbyte)dest[3],
Z = (sbyte)num8
};
dest += 4;
if (item2.ItemID != 0x4000)
{
list.Add(item2);
}
}
continue;
Label_0268:
num9 = 0;
goto Label_0284;
Label_026D:
num9 = 7;
goto Label_0284;
Label_0272:
num9 = 0x1b;
goto Label_0284;
Label_0278:
num9 = 0x2f;
goto Label_0284;
Label_027E:
num9 = 0x43;
Label_0284:
if (num5 <= 0)
{
num10 = xMin;
num11 = yMin;
num12 = num + 1;
}
else if (num5 <= 4)
{
num10 = xMin + 1;
num11 = yMin + 1;
num12 = num - 1;
}
else
{
num10 = xMin;
num11 = yMin;
num12 = num;
}
int num13 = 0;
while (dest < numPtr3)
{
short num14 = (short)(0x4000 | (((dest[0] << 8) | dest[1]) & 0x3fff));
num13++;
dest += 2;
if (num14 != 0x4000)
{
MultiItem item3 = new MultiItem {
Flags = 1,
ItemID = num14,
X = (short)(num10 + ((num13 - 1) / num12)),
Y = (sbyte)(num11 + ((num13 - 1) % num12)),
Z = (sbyte)num9
};
list.Add(item3);
}
}
}
}
}
}
public void Update(MapPackage map)
{
int count = this.m_Items.Count;
if (count != 0)
{
int length = map.cells.GetLength(0);
int num3 = map.cells.GetLength(1);
int cellX = map.CellX;
int cellY = map.CellY;
int num6 = cellX + length;
int num7 = cellY + num3;
for (int i = 0; i < count; i++)
{
Item item = (Item)this.m_Items[i];
if (item.InWorld && item.Visible)
{
CustomMultiEntry customMulti = CustomMultiLoader.GetCustomMulti(item.Serial, item.Revision);
Multi m = null;
if (customMulti != null)
{
m = customMulti.Multi;
}
if (m == null)
{
m = item.Multi;
}
if (m != null)
{
int num9;
int num10;
int num11;
int num12;
m.GetBounds(out num9, out num10, out num11, out num12);
num9 += item.X;
num10 += item.Y;
num11 += item.X;
num12 += item.Y;
if ((((num9 < num6) && (num11 >= cellX)) && (num10 < num7)) && (num12 >= cellY))
{
ArrayList list = m.List;
int num13 = list.Count;
bool flag = false;
Mobile player = World.Player;
if (player != null)
{
flag = this.IsInMulti(item, m, player.X, player.Y, player.Z);
}
int num14 = -2147483648 | i;
for (int j = 0; j < num13; j++)
{
MultiItem item2 = (MultiItem)list[j];
if ((item2.Flags == 0) && (j != 0))
{
continue;
}
int num16 = item.X + item2.X;
int num17 = item.Y + item2.Y;
num16 -= cellX;
num17 -= cellY;
if ((((num16 < 0) || (num16 >= length)) || (num17 < 0)) || (num17 >= num3))
{
continue;
}
bool flag2 = true;
int itemID = item2.ItemID;
if (flag || (this.m_Level == 0))
{
goto Label_03C6;
}
int num19 = 7;
if (customMulti == null)
{
switch ((m.MultiID & 0x3fff))
{
case 0x7a:
case 0x7c:
case 0x7e:
case 0x98:
case 0x9c:
goto Label_0270;
case 150:
case 0xa2:
goto Label_0266;
case 0x9a:
goto Label_0275;
case 0x9e:
num19 = 5;
break;
}
}
goto Label_027A;
Label_0266:
num19 = 4;
goto Label_027A;
Label_0270:
num19 = 6;
goto Label_027A;
Label_0275:
num19 = 8;
Label_027A:
if (Map.m_ItemFlags[itemID & 0x3fff][TileFlag.Bridge] || Map.m_ItemFlags[itemID & 0x3fff][TileFlag.Surface])
{
flag2 = item2.Z < (num19 + (this.m_Level * 20));
}
else
{
flag2 = item2.Z < (num19 + ((this.m_Level - 1) * 20));
if ((item2.Z >= (num19 + ((this.m_Level - 1) * 20))) && (item2.Z <= ((num19 + ((this.m_Level - 1) * 20)) + 2)))
{
if (m_RouteMap == null)
{
m_RouteMap = new int[0x4000];
for (int k = 0; k < m_RouteTable.GetLength(0); k++)
{
m_RouteMap[m_RouteTable[k, 0]] = m_RouteTable[k, 1];
}
}
int num21 = m_RouteMap[itemID & 0x3fff];
if (num21 != 0)
{
itemID = num21;
flag2 = true;
}
}
}
if (!flag2 && ((((itemID == 0x4001) || (itemID == 0x5796)) || ((itemID == 0x61a4) || (itemID == 0x6198))) || ((itemID == 0x61bc) || (itemID == 0x6199))))
{
flag2 = true;
}
Label_03C6:
if (flag2)
{
map.cells[num16, num17].Add(StaticItem.Instantiate((short)itemID, item2.ItemID, (sbyte)(item.Z + item2.Z), num14 | (j << 0x10)));
}
}
}
}
}
}
}
}
