public static bool Calculate(int x, int y, int z, Direction dir, out int newZ, out int newDir)
{
int dir1 = (int)Engine.GetWalkDirection(dir);
newZ = z;
newDir = dir1;
if (!Walking.IsDiagonal(dir1))
{
int dir2 = Walking.Turn(dir1, 1);
int dir3 = Walking.Turn(dir1, -1);
Walking.m_Diag = true;
int zNew1;
bool flag1 = Walking.CheckMovement(x, y, z, dir2, out zNew1);
int zNew2;
bool flag2 = Walking.CheckMovement(x, y, z, dir3, out zNew2);
Walking.m_Diag = false;
int zNew3;
if (Walking.CheckMovement(x, y, z, dir1, out zNew3) && ((int)World.Player.Body == 987 ? (flag1 ? 1 : (flag2 ? 1 : 0)) : (!flag1 ? 0 : (flag2 ? 1 : 0))) != 0)
{
newZ = zNew3;
}
else if (flag1)
{
newZ = zNew1;
newDir = dir2;
}
else
{
if (!flag2)
{
return(false);
}
newZ = zNew2;
newDir = dir3;
}
return(true);
}
return(Walking.CheckMovement(x, y, z, dir1, out newZ));
}
public static bool CheckMovement(int xStart, int yStart, int zStart, int dir, out int zNew)
{
Mobile player = World.Player;
if (player == null)
{
zNew = 0;
return(false);
}
int x = xStart;
int y = yStart;
Walking.Offset(dir, ref x, ref y);
MapPackage cache = Map.GetCache();
int X = x - cache.CellX;
int Y = y - cache.CellY;
if (!Map.IsValid(X, Y))
{
zNew = 0;
return(false);
}
ArrayList tiles = cache.cells[X, Y];
LandTile landTile1 = World.Viewport.GetLandTile(x, y, Engine.m_World);
LandTile landTile2 = World.Viewport.GetLandTile(xStart, yStart, Engine.m_World);
try
{
if (player.Notoriety == Notoriety.Murderer)
{
if (landTile1.m_Guarded)
{
if (!Options.Current.SiegeRuleset)
{
if (!landTile2.m_Guarded)
{
if ((Control.ModifierKeys & (Keys.Shift | Keys.Control)) != (Keys.Shift | Keys.Control))
{
zNew = 0;
return(false);
}
}
}
}
}
}
catch
{
}
bool impassable = landTile1.Impassable;
bool flag1 = (int)landTile1.m_ID != 2 && (int)landTile1.m_ID != 475 && ((int)landTile1.m_ID < 430 || (int)landTile1.m_ID > 437);
int z1 = 0;
int avg = 0;
int top = 0;
Map.GetAverageZ(x, y, ref z1, ref avg, ref top);
int zLow;
int zTop;
Walking.GetStartZ(xStart, yStart, zStart, out zLow, out zTop);
zNew = zLow;
bool flag2 = false;
int num1 = zTop + 2;
int num2 = zLow + 16;
bool ignoreDoors = player.Ghost || (int)player.Body == 987;
bool ignoreMobs = ignoreDoors || player.CurrentStamina == player.MaximumStamina || Engine.m_World != 0;
if (Engine.m_Stealth)
{
ignoreMobs = false;
}
for (int index = 0; index < tiles.Count; ++index)
{
ICell cell = (ICell)tiles[index];
if (cell is StaticItem)
{
StaticItem staticItem = (StaticItem)cell;
TileFlags tileFlags = Map.m_ItemFlags[(int)staticItem.m_RealID];
if (tileFlags[(TileFlag)512L] && !tileFlags[(TileFlag)64L])
{
int num3 = (int)staticItem.m_Z;
int num4 = num3;
int ourZ = num3 + (int)staticItem.CalcHeight;
int ourTop = num2;
if (flag2)
{
int num5 = Math.Abs(ourZ - player.Z) - Math.Abs(zNew - player.Z);
if (num5 > 0 || num5 == 0 && ourZ > zNew)
{
continue;
}
}
if (ourZ + 16 > ourTop)
{
ourTop = ourZ + 16;
}
if (!tileFlags[(TileFlag)1024L])
{
num4 += (int)staticItem.Height;
}
if (num1 >= num4)
{
int num5 = num3;
int num6 = (int)staticItem.Height < 2 ? num5 + (int)staticItem.Height : num5 + 2;
if ((!flag1 || num6 >= avg || (avg <= ourZ || ourTop <= z1)) && Walking.IsOk(ignoreMobs, ignoreDoors, ourZ, ourTop, tiles))
{
zNew = ourZ;
flag2 = true;
}
}
}
}
else if (cell is DynamicItem)
{
Item obj = ((DynamicItem)cell).m_Item;
TileFlags tileFlags = Map.m_ItemFlags[obj.ID];
if (tileFlags[(TileFlag)512L] && !tileFlags[(TileFlag)64L])
{
int z2 = obj.Z;
int num3 = z2;
int num4 = z2;
int height = obj.Height;
int ourZ = !tileFlags[(TileFlag)1024L] ? num4 + height : num4 + height / 2;
if (flag2)
{
int num5 = Math.Abs(ourZ - player.Z) - Math.Abs(zNew - player.Z);
if (num5 > 0 || num5 == 0 && ourZ > zNew)
{
continue;
}
}
int ourTop = num2;
if (ourZ + 16 > ourTop)
{
ourTop = ourZ + 16;
}
if (!tileFlags[(TileFlag)1024L])
{
num3 += height;
}
if (num1 >= num3)
{
int num5 = z2;
int num6 = height < 2 ? num5 + height : num5 + 2;
if ((!flag1 || num6 >= avg || (avg <= ourZ || ourTop <= z1)) && Walking.IsOk(ignoreMobs, ignoreDoors, ourZ, ourTop, tiles))
{
zNew = ourZ;
flag2 = true;
}
}
}
}
}
if (flag1 && !impassable && num1 >= z1)
{
int ourZ = avg;
int ourTop = num2;
if (ourZ + 16 > ourTop)
{
ourTop = ourZ + 16;
}
bool flag3 = true;
if (flag2)
{
int num3 = Math.Abs(ourZ - player.Z) - Math.Abs(zNew - player.Z);
if (num3 > 0 || num3 == 0 && ourZ > zNew)
{
flag3 = false;
}
}
if (flag3 && Walking.IsOk(ignoreMobs, ignoreDoors, ourZ, ourTop, tiles))
{
zNew = ourZ;
flag2 = true;
}
}
return(flag2);
}