private unsafe LandTile[] ReadLandBlock(int x, int y)
{
try
{
int offset = ((x * m_BlockHeight) + y) * 196 + 4;
if (m_MapIndex != null)
{
offset = m_MapIndex.Lookup(offset);
}
m_Map.Seek(offset, SeekOrigin.Begin);
LandTile[] tiles = new LandTile[64];
fixed(LandTile *pTiles = tiles)
{
NativeReader.Read(m_Map.SafeFileHandle.DangerousGetHandle(), pTiles, 192);
}
return(tiles);
}
catch
{
if (DateTime.UtcNow >= m_NextLandWarning)
{
Console.WriteLine("Warning: Land EOS for {0} ({1}, {2})", m_Owner, x, y);
m_NextLandWarning = DateTime.UtcNow + TimeSpan.FromMinutes(1.0);
}
return(m_InvalidLandBlock);
}
}
private static bool GetFloorZ(Map map, int x, int y, out int z)
{
LandTile lt = map.Tiles.GetLandTile(x, y);
if (IsFloor(lt.ID) && map.CanFit(x, y, lt.Z, 16, false, false))
{
z = lt.Z;
return(true);
}
StaticTile[] tiles = map.Tiles.GetStaticTiles(x, y);
for (int i = 0; i < tiles.Length; ++i)
{
StaticTile t = tiles[i];
ItemData id = TileData.ItemTable[t.ID & TileData.MaxItemValue];
if (IsStaticFloor(t.ID) && map.CanFit(x, y, t.Z + (id.Surface ? id.CalcHeight : 0), 16, false, false))
{
z = t.Z + (id.Surface ? id.CalcHeight : 0);
return(true);
}
}
z = 0;
return(false);
}
private unsafe LandTile[] ReadLandBlock(int x, int y)
{
try
{
m_Map.Seek(((x * m_BlockHeight) + y) * 196 + 4, SeekOrigin.Begin);
LandTile[] tiles = new LandTile[64];
fixed(LandTile *pTiles = tiles)
{
#if !MONO
NativeReader.Read(m_Map.SafeFileHandle.DangerousGetHandle(), pTiles, 192);
#else
NativeReader.Read(m_Map.Handle, pTiles, 192);
#endif
}
return(tiles);
}
catch
{
if (DateTime.Now >= m_NextLandWarning)
{
Console.WriteLine("Warning: Land EOS for {0} ({1}, {2})", m_Owner, x, y);
m_NextLandWarning = DateTime.Now + TimeSpan.FromMinutes(1.0);
}
return(m_InvalidLandBlock);
}
}
private unsafe int PatchLand(TileMatrix matrix, string dataPath, string indexPath)
{
using (FileStream fsData = new FileStream(dataPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (FileStream fsIndex = new FileStream(indexPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
BinaryReader indexReader = new BinaryReader(fsIndex);
int count = (int)(indexReader.BaseStream.Length / 4);
for (int i = 0; i < count; ++i)
{
int blockID = indexReader.ReadInt32();
int x = blockID / matrix.BlockHeight;
int y = blockID % matrix.BlockHeight;
fsData.Seek(4, SeekOrigin.Current);
var tiles = new LandTile[64];
fixed(LandTile *pTiles = tiles)
{
NativeReader.Read(fsData.SafeFileHandle.DangerousGetHandle(), pTiles, 192);
}
matrix.SetLandBlock(x, y, tiles);
}
indexReader.Close();
return(count);
}
}
}
public LandTile[] GetLandBlock(int x, int y)
{
if (x < 0 || y < 0 || x >= m_BlockWidth || y >= m_BlockHeight || m_Map == null)
{
return(m_InvalidLandBlock);
}
if (m_LandTiles[x] == null)
{
m_LandTiles[x] = new LandTile[m_BlockHeight][];
}
var tiles = m_LandTiles[x][y];
if (tiles == null)
{
lock (m_FileShare)
{
for (int i = 0; tiles == null && i < m_FileShare.Count; ++i)
{
TileMatrix shared = m_FileShare[i];
lock (shared)
{
if (x >= 0 && x < shared.m_BlockWidth && y >= 0 && y < shared.m_BlockHeight)
{
var theirTiles = shared.m_LandTiles[x];
if (theirTiles != null)
{
tiles = theirTiles[y];
}
if (tiles != null)
{
var theirBits = shared.m_LandPatches[x];
if (theirBits != null && (theirBits[y >> 5] & (1 << (y & 0x1F))) != 0)
{
tiles = null;
}
}
}
}
}
}
if (tiles == null)
{
tiles = ReadLandBlock(x, y);
}
m_LandTiles[x][y] = tiles;
}
return(tiles);
}
public void SetLandBlock(int x, int y, LandTile[] value)
{
if (x < 0 || y < 0 || x >= m_BlockWidth || y >= m_BlockHeight)
{
return;
}
if (m_LandTiles[x] == null)
{
m_LandTiles[x] = new LandTile[m_BlockHeight][];
}
m_LandTiles[x][y] = value;
if (m_LandPatches[x] == null)
{
m_LandPatches[x] = new int[(m_BlockHeight + 31) >> 5];
}
m_LandPatches[x][y >> 5] |= 1 << (y & 0x1F);
}
private unsafe int PatchLand(TileMatrix matrix, string dataPath, string indexPath)
{
using (FileStream fsData = new FileStream(dataPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (FileStream fsIndex = new FileStream(indexPath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
BinaryReader indexReader = new BinaryReader(fsIndex);
int count = (int)(indexReader.BaseStream.Length / 4);
for (int i = 0; i < count; ++i)
{
int blockID = indexReader.ReadInt32();
int x = blockID / matrix.BlockHeight;
int y = blockID % matrix.BlockHeight;
fsData.Seek(4, SeekOrigin.Current);
var tiles = new LandTile[64];
fixed (LandTile* pTiles = tiles)
{
#if !MONO
NativeReader.Read(fsData.SafeFileHandle.DangerousGetHandle(), pTiles, 192);
#else
NativeReader.Read( fsData.Handle, pTiles, 192 );
#endif
}
matrix.SetLandBlock(x, y, tiles);
}
indexReader.Close();
return count;
}
}
}
private unsafe int PatchLand(TileMatrix matrix, string dataPath, string indexPath)
{
using var fsData = new FileStream(dataPath, FileMode.Open, FileAccess.Read, FileShare.Read);
using var fsIndex = new FileStream(indexPath, FileMode.Open, FileAccess.Read, FileShare.Read);
var indexReader = new BinaryReader(fsIndex);
var count = (int)(indexReader.BaseStream.Length / 4);
for (var i = 0; i < count; ++i)
{
var blockID = indexReader.ReadInt32();
var x = blockID / matrix.BlockHeight;
var y = blockID % matrix.BlockHeight;
fsData.Seek(4, SeekOrigin.Current);
var tiles = new LandTile[64];
fixed(LandTile *pTiles = tiles)
{
var ptr = fsData.SafeFileHandle?.DangerousGetHandle();
if (ptr == null)
{
throw new Exception($"Cannot open {fsData.Name}");
}
NativeReader.Read(ptr.Value, pTiles, 192);
}
matrix.SetLandBlock(x, y, tiles);
}
indexReader.Close();
return(count);
}
private static bool IsFloor(Map map, int x, int y, bool canFit)
{
LandTile lt = map.Tiles.GetLandTile(x, y);
if (IsFloor(lt.ID) && (canFit || CanFit(map, x, y, lt.Z)))
{
return(true);
}
StaticTile[] tiles = map.Tiles.GetStaticTiles(x, y);
for (int i = 0; i < tiles.Length; ++i)
{
StaticTile t = tiles[i];
ItemData id = TileData.ItemTable[t.ID & TileData.MaxItemValue];
if (IsStaticFloor(t.ID) && (canFit || CanFit(map, x, y, t.Z + (id.Surface ? id.CalcHeight : 0))))
{
return(true);
}
}
return(false);
}
public void SetLandBlock( int x, int y, LandTile[] value )
{
if ( x < 0 || y < 0 || x >= m_BlockWidth || y >= m_BlockHeight )
return;
if ( m_LandTiles[x] == null )
m_LandTiles[x] = new LandTile[m_BlockHeight][];
m_LandTiles[x][y] = value;
if ( m_LandPatches[x] == null )
m_LandPatches[x] = new int[(m_BlockHeight + 31) >> 5];
m_LandPatches[x][y >> 5] |= 1 << (y & 0x1F);
}
private static bool CanFit(Map map, int x, int y, int z)
{
bool hasSurface = false;
LandTile lt = map.Tiles.GetLandTile(x, y);
int lowZ = 0, avgZ = 0, topZ = 0;
map.GetAverageZ(x, y, ref lowZ, ref avgZ, ref topZ);
TileFlag landFlags = TileData.LandTable[lt.ID & TileData.MaxLandValue].Flags;
if ((landFlags & TileFlag.Impassable) != 0 && topZ > z && (z + 16) > lowZ)
{
return(false);
}
else if ((landFlags & TileFlag.Impassable) == 0 && z == avgZ && !lt.Ignored)
{
hasSurface = true;
}
StaticTile[] staticTiles = map.Tiles.GetStaticTiles(x, y);
bool surface, impassable;
for (int i = 0; i < staticTiles.Length; ++i)
{
if (IsDisplayCase(staticTiles[i].ID))
{
continue;
}
ItemData id = TileData.ItemTable[staticTiles[i].ID & TileData.MaxItemValue];
surface = id.Surface;
impassable = id.Impassable;
if ((surface || impassable) && (staticTiles[i].Z + id.CalcHeight) > z && (z + 16) > staticTiles[i].Z)
{
return(false);
}
else if (surface && !impassable && z == (staticTiles[i].Z + id.CalcHeight))
{
hasSurface = true;
}
}
Sector sector = map.GetSector(x, y);
List <Item> items = sector.Items;
for (int i = 0; i < items.Count; ++i)
{
Item item = items[i];
if (item.AtWorldPoint(x, y))
{
ItemData id = item.ItemData;
surface = id.Surface;
impassable = id.Impassable;
if ((surface || impassable) && (item.Z + id.CalcHeight) > z && (z + 16) > item.Z)
{
return(false);
}
else if (surface && !impassable && z == (item.Z + id.CalcHeight))
{
hasSurface = true;
}
}
}
return(hasSurface);
}
private IEnumerable <Point3D> Compute(Rectangle3D area)
{
// Check all corners to skip large bodies of water.
for (var index = 0; index < Filters.Length; index++)
{
var filter = Filters[index];
if (Equals(filter, TileFlag.Wet))
{
LandTile land1 = Facet.Tiles.GetLandTile(area.Start.X, area.Start.Y); // TL
LandTile land2 = Facet.Tiles.GetLandTile(area.End.X, area.Start.Y); // TR
LandTile land3 = Facet.Tiles.GetLandTile(area.Start.X, area.End.Y); // BL
LandTile land4 = Facet.Tiles.GetLandTile(area.End.X, area.End.Y); // BR
bool ignore1 = land1.Ignored || TileData.LandTable[land1.ID].Flags.HasFlag(TileFlag.Wet);
bool ignore2 = land2.Ignored || TileData.LandTable[land2.ID].Flags.HasFlag(TileFlag.Wet);
bool ignore3 = land3.Ignored || TileData.LandTable[land3.ID].Flags.HasFlag(TileFlag.Wet);
bool ignore4 = land4.Ignored || TileData.LandTable[land4.ID].Flags.HasFlag(TileFlag.Wet);
if (ignore1 && ignore2 && ignore3 && ignore4)
{
yield break;
}
break;
}
}
Point3D p = Point3D.Zero;
for (p.X = area.Start.X; p.X <= area.End.X; p.X++)
{
for (p.Y = area.Start.Y; p.Y <= area.End.Y; p.Y++)
{
LandTile land = Facet.Tiles.GetLandTile(p.X, p.Y);
p.Z = land.Z;
if (Contains(p))
{
continue;
}
if (!CanSpawn(p.X, p.Y, p.Z))
{
continue;
}
if (Filters.Length > 0)
{
if (land.Ignored)
{
continue;
}
TileFlag flags = TileData.LandTable[land.ID].Flags;
bool any1 = false;
for (var index = 0; index < Filters.Length; index++)
{
var f = Filters[index];
if (flags.HasFlag(f))
{
any1 = true;
break;
}
}
if (any1)
{
continue;
}
bool valid = true;
var tiles = Facet.Tiles.GetStaticTiles(p.X, p.Y);
for (var index = 0; index < tiles.Length; index++)
{
StaticTile tile = tiles[index];
flags = TileData.ItemTable[tile.ID].Flags;
bool any2 = false;
for (var i = 0; i < Filters.Length; i++)
{
var f = Filters[i];
if (flags.HasFlag(f))
{
any2 = true;
break;
}
}
if (any2)
{
valid = false;
break;
}
}
if (!valid)
{
continue;
}
}
if (Validator != null && !Validator(Facet, p.X, p.Y, p.Z))
{
continue;
}
yield return(p);
}
}
}
//--------------------------------------------------------------------------
// Determine whether or not a tile is an 'invalid' one. These are the black
// tiles that sepearate the spaces between dungeons--they are intrinsically
// impassable, block everything.
//--------------------------------------------------------------------------
private bool IsInvalidLandTile( LandTile tile )
{
int id = tile.ID;
int[] invalidLandTiles = Map.InvalidLandTiles;
for ( int i = 0; i < invalidLandTiles.Length; i++ )
if( id == invalidLandTiles[i] )
return true;
return false;
}
//--------------------------------------------------------------------------
// Does the land block my vision?
//--------------------------------------------------------------------------
public bool LandBlocksVis( LandTile landTile, int x, int y, int eyelevel, Point3D beholder )
{
if( !Config.GetInstance().Mountain( landTile.ID ) )
{
return false;
}
//ItemData data = TileData.ItemTable[landTile.ID];
int minZ = 0, avgZ = 0, maxZ = 0;
m_map.GetAverageZ( x, y, ref minZ, ref avgZ, ref maxZ );
if (
minZ <= eyelevel // for caves
&&
maxZ >= eyelevel
&&
!landTile.Ignored
)
{
return true;
}
return false;
}
//--------------------------------------------------------------------------
// Is this an invalid tile which also blocks vix?
//--------------------------------------------------------------------------
public bool IsVizBlockingInvalidLand( LandTile landTile, StaticTile[] staticTiles, int x, int y )
{
if( IsInvalidLandTile( landTile ) )
{
if( staticTiles.Length == 0 )
{
if( !ContainsVisibleItem( x, y ) )
{
return true;
}
}
}
return false;
}
public bool IsSeaTile(LandTile t)
{
return t.Z == -5 && ((t.ID >= 0xA8 && t.ID <= 0xAB) || (t.ID >= 0x136 && t.ID <= 0x137));
}
private void Compute(Rectangle3D area)
{
// Check all corners to skip large bodies of water.
if (Filters.Contains(TileFlag.Wet))
{
LandTile land1 = Facet.Tiles.GetLandTile(area.Start.X, area.Start.Y); // TL
LandTile land2 = Facet.Tiles.GetLandTile(area.End.X, area.Start.Y); // TR
LandTile land3 = Facet.Tiles.GetLandTile(area.Start.X, area.End.Y); // BL
LandTile land4 = Facet.Tiles.GetLandTile(area.End.X, area.End.Y); // BR
if ((land1.Ignored || TileData.LandTable[land1.ID].Flags.HasFlag(TileFlag.Wet)) &&
(land2.Ignored || TileData.LandTable[land2.ID].Flags.HasFlag(TileFlag.Wet)) &&
(land3.Ignored || TileData.LandTable[land3.ID].Flags.HasFlag(TileFlag.Wet)) &&
(land4.Ignored || TileData.LandTable[land4.ID].Flags.HasFlag(TileFlag.Wet)))
{
return;
}
}
int x, y, z, h;
for (x = area.Start.X; x < area.End.X; x++)
{
for (y = area.Start.Y; y < area.End.Y; y++)
{
h = GetHashCode(x, y);
if (_Points.ContainsKey(h))
{
continue;
}
z = Facet.Tiles.GetLandTile(x, y).Z;//.GetAverageZ(x, y);
if (!CanSpawn(x, y, z))
{
continue;
}
if (Filters.Length > 0)
{
LandTile land = Facet.Tiles.GetLandTile(x, y);
if (land.Ignored)
{
continue;
}
TileFlag flags = TileData.LandTable[land.ID].Flags;
if (Filters.Any(f => flags.HasFlag(f)))
{
continue;
}
bool valid = true;
foreach (StaticTile tile in Facet.Tiles.GetStaticTiles(x, y))
{
flags = TileData.ItemTable[tile.ID].Flags;
if (Filters.Any(f => flags.HasFlag(f)))
{
valid = false;
break;
}
}
if (!valid)
{
continue;
}
}
if (Validator != null && !Validator(Facet, x, y, z))
{
continue;
}
lock (_Points)
{
_Points[h] = new Point3D(x, y, z);
}
}
}
}
private unsafe LandTile[] ReadLandBlock( int x, int y )
{
try
{
m_Map.Seek( ((x * m_BlockHeight) + y) * 196 + 4, SeekOrigin.Begin );
LandTile[] tiles = new LandTile[64];
fixed ( LandTile *pTiles = tiles )
{
#if !MONO
NativeReader.Read( m_Map.SafeFileHandle.DangerousGetHandle(), pTiles, 192 );
#else
NativeReader.Read( m_Map.Handle, pTiles, 192 );
#endif
}
return tiles;
}
catch
{
if ( DateTime.Now >= m_NextLandWarning )
{
Console.WriteLine( "Warning: Land EOS for {0} ({1}, {2})", m_Owner, x, y );
m_NextLandWarning = DateTime.Now + TimeSpan.FromMinutes( 1.0 );
}
return m_InvalidLandBlock;
}
}
public static bool IsWater(this LandTile tile)
{
return(LandWaterTiles.Contains(tile.ID) || TileData.LandTable[tile.ID].Flags.HasFlag(TileFlag.Wet) ||
Insensitive.Contains(TileData.LandTable[tile.ID].Name, "water"));
}
/* This could be probably be re-implemented if necessary (perhaps via an ITile interface?).
public List<Tile> GetTilesAt( Point2D p, bool items, bool land, bool statics )
{
List<Tile> list = new List<Tile>();
if ( this == Map.Internal )
return list;
if ( land )
list.Add( Tiles.GetLandTile( p.m_X, p.m_Y ) );
if ( statics )
list.AddRange( Tiles.GetStaticTiles( p.m_X, p.m_Y, true ) );
if ( items )
{
Sector sector = GetSector( p );
foreach ( Item item in sector.Items )
if ( item.AtWorldPoint( p.m_X, p.m_Y ) )
list.Add( new StaticTile( (ushort)item.ItemID, (sbyte) item.Z ) );
}
return list;
}
*/
/// <summary>
/// Gets the highest surface that is lower than <paramref name="p"/>.
/// </summary>
/// <param name="p">The reference point.</param>
/// <returns>A surface <typeparamref name="Tile"/> or <typeparamref name="Item"/>.</returns>
public object GetTopSurface( Point3D p )
{
if ( this == Map.Internal )
return null;
object surface = null;
int surfaceZ = int.MinValue;
LandTile lt = Tiles.GetLandTile( p.X, p.Y );
if ( !lt.Ignored )
{
int avgZ = GetAverageZ( p.X, p.Y );
if ( avgZ <= p.Z )
{
surface = lt;
surfaceZ = avgZ;
if ( surfaceZ == p.Z )
return surface;
}
}
StaticTile[] staticTiles = Tiles.GetStaticTiles( p.X, p.Y, true );
for ( int i = 0; i < staticTiles.Length; i++ )
{
StaticTile tile = staticTiles[i];
ItemData id = TileData.ItemTable[tile.ID & TileData.MaxItemValue];
if ( id.Surface || ( id.Flags & TileFlag.Wet ) != 0 )
{
int tileZ = tile.Z + id.CalcHeight;
if ( tileZ > surfaceZ && tileZ <= p.Z )
{
surface = tile;
surfaceZ = tileZ;
if ( surfaceZ == p.Z )
return surface;
}
}
}
Sector sector = GetSector( p.X, p.Y );
for ( int i = 0; i < sector.Items.Count; i++ )
{
Item item = sector.Items[i];
if ( !(item is BaseMulti) && item.ItemID <= TileData.MaxItemValue && item.AtWorldPoint( p.X, p.Y ) && !item.Movable )
{
ItemData id = item.ItemData;
if ( id.Surface || ( id.Flags & TileFlag.Wet ) != 0 )
{
int itemZ = item.Z + id.CalcHeight;
if ( itemZ > surfaceZ && itemZ <= p.Z )
{
surface = item;
surfaceZ = itemZ;
if ( surfaceZ == p.Z )
return surface;
}
}
}
}
return surface;
}
public void FixColumn( int x, int y )
{
LandTile landTile = Tiles.GetLandTile( x, y );
int landZ = 0, landAvg = 0, landTop = 0;
GetAverageZ( x, y, ref landZ, ref landAvg, ref landTop );
StaticTile[] tiles = Tiles.GetStaticTiles( x, y, true );
List<Item> items = new List<Item>();
IPooledEnumerable eable = GetItemsInRange( new Point3D( x, y, 0 ), 0 );
foreach ( Item item in eable )
{
if ( !(item is BaseMulti) && item.ItemID <= TileData.MaxItemValue )
{
items.Add( item );
if ( items.Count > 100 )
break;
}
}
eable.Free();
if ( items.Count > 100 )
return;
items.Sort( ZComparer.Default );
for ( int i = 0; i < items.Count; ++i )
{
Item toFix = items[i];
if ( !toFix.Movable )
continue;
int z = int.MinValue;
int currentZ = toFix.Z;
if ( !landTile.Ignored && landAvg <= currentZ )
z = landAvg;
for ( int j = 0; j < tiles.Length; ++j )
{
StaticTile tile = tiles[j];
ItemData id = TileData.ItemTable[tile.ID & TileData.MaxItemValue];
int checkZ = tile.Z;
int checkTop = checkZ + id.CalcHeight;
if ( checkTop == checkZ && !id.Surface )
++checkTop;
if ( checkTop > z && checkTop <= currentZ )
z = checkTop;
}
for ( int j = 0; j < items.Count; ++j )
{
if ( j == i )
continue;
Item item = items[j];
ItemData id = item.ItemData;
int checkZ = item.Z;
int checkTop = checkZ + id.CalcHeight;
if ( checkTop == checkZ && !id.Surface )
++checkTop;
if ( checkTop > z && checkTop <= currentZ )
z = checkTop;
}
if ( z != int.MinValue )
toFix.Location = new Point3D( toFix.X, toFix.Y, z );
}
}
public bool CanFit( int x, int y, int z, int height, bool checkBlocksFit, bool checkMobiles, bool requireSurface )
{
if ( this == Map.Internal )
return false;
if ( x < 0 || y < 0 || x >= m_Width || y >= m_Height )
return false;
bool hasSurface = false;
LandTile lt = Tiles.GetLandTile( x, y );
int lowZ = 0, avgZ = 0, topZ = 0;
GetAverageZ( x, y, ref lowZ, ref avgZ, ref topZ );
TileFlag landFlags = TileData.LandTable[lt.ID & TileData.MaxLandValue].Flags;
if ( ( landFlags & TileFlag.Impassable ) != 0 && avgZ > z && ( z + height ) > lowZ )
return false;
else if ( ( landFlags & TileFlag.Impassable ) == 0 && z == avgZ && !lt.Ignored )
hasSurface = true;
StaticTile[] staticTiles = Tiles.GetStaticTiles( x, y, true );
bool surface, impassable;
for ( int i = 0; i < staticTiles.Length; ++i )
{
ItemData id = TileData.ItemTable[staticTiles[i].ID & TileData.MaxItemValue];
surface = id.Surface;
impassable = id.Impassable;
if ( ( surface || impassable ) && ( staticTiles[i].Z + id.CalcHeight ) > z && ( z + height ) > staticTiles[i].Z )
return false;
else if ( surface && !impassable && z == ( staticTiles[i].Z + id.CalcHeight ) )
hasSurface = true;
}
Sector sector = GetSector( x, y );
List<Item> items = sector.Items;
List<Mobile> mobs = sector.Mobiles;
for ( int i = 0; i < items.Count; ++i )
{
Item item = items[i];
if ( !(item is BaseMulti) && item.ItemID <= TileData.MaxItemValue && item.AtWorldPoint( x, y ) )
{
ItemData id = item.ItemData;
surface = id.Surface;
impassable = id.Impassable;
if ( ( surface || impassable || ( checkBlocksFit && item.BlocksFit ) ) && ( item.Z + id.CalcHeight ) > z && ( z + height ) > item.Z )
return false;
else if ( surface && !impassable && !item.Movable && z == ( item.Z + id.CalcHeight ) )
hasSurface = true;
}
}
if ( checkMobiles )
{
for ( int i = 0; i < mobs.Count; ++i )
{
Mobile m = mobs[i];
if ( m.Location.m_X == x && m.Location.m_Y == y && ( m.AccessLevel == AccessLevel.Player || !m.Hidden ) )
if ( ( m.Z + 16 ) > z && ( z + height ) > m.Z )
return false;
}
}
return !requireSurface || hasSurface;
}
public bool LineOfSight( Point3D org, Point3D dest )
{
if( this == Map.Internal )
return false;
if( !Utility.InRange( org, dest, m_MaxLOSDistance ) )
return false;
Point3D start = org;
Point3D end = dest;
if( org.X > dest.X || (org.X == dest.X && org.Y > dest.Y) || (org.X == dest.X && org.Y == dest.Y && org.Z > dest.Z) )
{
Point3D swap = org;
org = dest;
dest = swap;
}
double rise, run, zslp;
double sq3d;
double x, y, z;
int xd, yd, zd;
int ix, iy, iz;
int height;
bool found;
Point3D p;
Point3DList path = m_PathList;
TileFlag flags;
if( org == dest )
return true;
if( path.Count > 0 )
path.Clear();
xd = dest.m_X - org.m_X;
yd = dest.m_Y - org.m_Y;
zd = dest.m_Z - org.m_Z;
zslp = Math.Sqrt( xd * xd + yd * yd );
if( zd != 0 )
sq3d = Math.Sqrt( zslp * zslp + zd * zd );
else
sq3d = zslp;
rise = ((float)yd) / sq3d;
run = ((float)xd) / sq3d;
zslp = ((float)zd) / sq3d;
y = org.m_Y;
z = org.m_Z;
x = org.m_X;
while( Utility.NumberBetween( x, dest.m_X, org.m_X, 0.5 ) && Utility.NumberBetween( y, dest.m_Y, org.m_Y, 0.5 ) && Utility.NumberBetween( z, dest.m_Z, org.m_Z, 0.5 ) )
{
ix = (int)Math.Round( x );
iy = (int)Math.Round( y );
iz = (int)Math.Round( z );
if( path.Count > 0 )
{
p = path.Last;
if( p.m_X != ix || p.m_Y != iy || p.m_Z != iz )
path.Add( ix, iy, iz );
}
else
{
path.Add( ix, iy, iz );
}
x += run;
y += rise;
z += zslp;
}
if( path.Count == 0 )
return true;//<--should never happen, but to be safe.
p = path.Last;
if( p != dest )
path.Add( dest );
Point3D pTop = org, pBottom = dest;
Utility.FixPoints( ref pTop, ref pBottom );
int pathCount = path.Count;
for( int i = 0; i < pathCount; ++i )
{
Point3D point = path[i];
LandTile landTile = Tiles.GetLandTile( point.X, point.Y );
int landZ = 0, landAvg = 0, landTop = 0;
GetAverageZ( point.m_X, point.m_Y, ref landZ, ref landAvg, ref landTop );
if( landZ <= point.m_Z && landTop >= point.m_Z && (point.m_X != end.m_X || point.m_Y != end.m_Y || landZ > end.m_Z || landTop < end.m_Z) && !landTile.Ignored )
return false;
/* --Do land tiles need to be checked? There is never land between two people, always statics.--
LandTile landTile = Tiles.GetLandTile( point.X, point.Y );
if ( landTile.Z-1 >= point.Z && landTile.Z+1 <= point.Z && (TileData.LandTable[landTile.ID & TileData.MaxLandValue].Flags & TileFlag.Impassable) != 0 )
return false;
*/
StaticTile[] statics = Tiles.GetStaticTiles( point.m_X, point.m_Y, true );
bool contains = false;
int ltID = landTile.ID;
for( int j = 0; !contains && j < m_InvalidLandTiles.Length; ++j )
contains = (ltID == m_InvalidLandTiles[j]);
if( contains && statics.Length == 0 )
{
IPooledEnumerable eable = GetItemsInRange( point, 0 );
foreach( Item item in eable )
{
if( item.Visible )
contains = false;
if( !contains )
break;
}
eable.Free();
if( contains )
return false;
}
for( int j = 0; j < statics.Length; ++j )
{
StaticTile t = statics[j];
ItemData id = TileData.ItemTable[t.ID & TileData.MaxItemValue];
flags = id.Flags;
height = id.CalcHeight;
if( t.Z <= point.Z && t.Z + height >= point.Z && (flags & (TileFlag.Window | TileFlag.NoShoot)) != 0 )
{
if( point.m_X == end.m_X && point.m_Y == end.m_Y && t.Z <= end.m_Z && t.Z + height >= end.m_Z )
continue;
return false;
}
/*if ( t.Z <= point.Z && t.Z+height >= point.Z && (flags&TileFlag.Window)==0 && (flags&TileFlag.NoShoot)!=0
&& ( (flags&TileFlag.Wall)!=0 || (flags&TileFlag.Roof)!=0 || (((flags&TileFlag.Surface)!=0 && zd != 0)) ) )*/
/*{
//Console.WriteLine( "LoS: Blocked by Static \"{0}\" Z:{1} T:{3} P:{2} F:x{4:X}", TileData.ItemTable[t.ID&TileData.MaxItemValue].Name, t.Z, point, t.Z+height, flags );
//Console.WriteLine( "if ( {0} && {1} && {2} && ( {3} || {4} || {5} || ({6} && {7} && {8}) ) )", t.Z <= point.Z, t.Z+height >= point.Z, (flags&TileFlag.Window)==0, (flags&TileFlag.Impassable)!=0, (flags&TileFlag.Wall)!=0, (flags&TileFlag.Roof)!=0, (flags&TileFlag.Surface)!=0, t.Z != dest.Z, zd != 0 ) ;
return false;
}*/
}
}
Rectangle2D rect = new Rectangle2D( pTop.m_X, pTop.m_Y, (pBottom.m_X - pTop.m_X) + 1, (pBottom.m_Y - pTop.m_Y) + 1 );
IPooledEnumerable area = GetItemsInBounds( rect );
foreach( Item i in area )
{
if( !i.Visible )
continue;
if( i is BaseMulti || i.ItemID > TileData.MaxItemValue )
continue;
ItemData id = i.ItemData;
flags = id.Flags;
if( (flags & (TileFlag.Window | TileFlag.NoShoot)) == 0 )
continue;
height = id.CalcHeight;
found = false;
int count = path.Count;
for( int j = 0; j < count; ++j )
{
Point3D point = path[j];
Point3D loc = i.Location;
//if ( t.Z <= point.Z && t.Z+height >= point.Z && ( height != 0 || ( t.Z == dest.Z && zd != 0 ) ) )
if( loc.m_X == point.m_X && loc.m_Y == point.m_Y &&
loc.m_Z <= point.m_Z && loc.m_Z + height >= point.m_Z )
{
if( loc.m_X == end.m_X && loc.m_Y == end.m_Y && loc.m_Z <= end.m_Z && loc.m_Z + height >= end.m_Z )
continue;
found = true;
break;
}
}
if( !found )
continue;
area.Free();
return false;
/*if ( (flags & (TileFlag.Impassable | TileFlag.Surface | TileFlag.Roof)) != 0 )
//flags = TileData.ItemTable[i.ItemID&TileData.MaxItemValue].Flags;
//if ( (flags&TileFlag.Window)==0 && (flags&TileFlag.NoShoot)!=0 && ( (flags&TileFlag.Wall)!=0 || (flags&TileFlag.Roof)!=0 || (((flags&TileFlag.Surface)!=0 && zd != 0)) ) )
{
//height = TileData.ItemTable[i.ItemID&TileData.MaxItemValue].Height;
//Console.WriteLine( "LoS: Blocked by ITEM \"{0}\" P:{1} T:{2} F:x{3:X}", TileData.ItemTable[i.ItemID&TileData.MaxItemValue].Name, i.Location, i.Location.Z+height, flags );
area.Free();
return false;
}*/
}
area.Free();
return true;
}
public static bool IsCoastline(this LandTile tile)
{
return(LandCoastlineTiles.Contains(tile.ID) || (TileData.LandTable[tile.ID].Flags == TileFlag.Impassable &&
Insensitive.Contains(TileData.LandTable[tile.ID].Name, "sand")));
}
public LandTile[] GetLandBlock( int x, int y )
{
if ( x < 0 || y < 0 || x >= m_BlockWidth || y >= m_BlockHeight || m_Map == null )
return m_InvalidLandBlock;
if ( m_LandTiles[x] == null )
m_LandTiles[x] = new LandTile[m_BlockHeight][];
LandTile[] tiles = m_LandTiles[x][y];
if ( tiles == null )
{
for ( int i = 0; tiles == null && i < m_FileShare.Count; ++i )
{
TileMatrix shared = m_FileShare[i];
if ( x >= 0 && x < shared.m_BlockWidth && y >= 0 && y < shared.m_BlockHeight )
{
LandTile[][] theirTiles = shared.m_LandTiles[x];
if ( theirTiles != null )
tiles = theirTiles[y];
if ( tiles != null )
{
int[] theirBits = shared.m_LandPatches[x];
if ( theirBits != null && (theirBits[y >> 5] & (1 << (y & 0x1F))) != 0 )
tiles = null;
}
}
}
if ( tiles == null )
tiles = ReadLandBlock( x, y );
m_LandTiles[x][y] = tiles;
}
return tiles;
}
