public MapChunkHeader(byte[] data)
{
using (MemoryStream ms = new MemoryStream(data))
{
using (BinaryReader br = new BinaryReader(ms))
{
this.Flags = (MapChunkFlags)br.ReadUInt32();
this.MapIndexX = br.ReadUInt32();
this.MapIndexY = br.ReadUInt32();
this.TextureLayerCount = br.ReadUInt32();
this.ModelReferenceCount = br.ReadUInt32();
if (this.Flags.HasFlag(MapChunkFlags.UsesHighResHoles))
{
this.HighResHoles = br.ReadUInt64();
}
this.HeightmapOffset = br.ReadUInt32();
this.VertexNormalOffset = br.ReadUInt32();
this.TextureLayersOffset = br.ReadUInt32();
this.ModelReferencesOffset = br.ReadUInt32();
this.AlphaMapsOffset = br.ReadUInt32();
this.AlphaMapsSize = br.ReadUInt32();
this.BakedShadowsOffset = br.ReadUInt32();
this.BakedShadowsSize = br.ReadUInt32();
this.AreaID = br.ReadUInt32();
this.WorldModelObjectReferenceCount = br.ReadUInt32();
// TODO: Turn into bitmapped boolean field
if (!this.Flags.HasFlag(MapChunkFlags.UsesHighResHoles))
{
this.LowResHoles = br.ReadUInt16();
}
this.Unknown = br.ReadUInt16();
// TODO: This is a set of 8 by 8 2-bit integers. Shift and read into a byte array.
this.LowResTextureMap = br.ReadUInt16();
this.PredTex = br.ReadUInt32();
this.NoEffectDoodad = br.ReadUInt32();
this.SoundEmittersOffset = br.ReadUInt32();
this.SoundEmitterCount = br.ReadUInt32();
this.LiquidOffset = br.ReadUInt32();
this.LiquidSize = br.ReadUInt32();
this.MapTilePosition = br.ReadVector3();
if (this.Flags.HasFlag(MapChunkFlags.HasVertexShading))
{
this.VertexShadingOffset = br.ReadUInt32();
}
}
}
}
public MapChunkHeader(byte[] data)
{
using (MemoryStream ms = new MemoryStream(data))
{
using (BinaryReader br = new BinaryReader(ms))
{
this.Flags = (MapChunkFlags)br.ReadUInt32();
this.MapIndexX = br.ReadUInt32();
this.MapIndexY = br.ReadUInt32();
this.TextureLayerCount = br.ReadUInt32();
this.ModelReferenceCount = br.ReadUInt32();
if (this.Flags.HasFlag(MapChunkFlags.UsesHighResHoles))
{
this.HighResHoles = br.ReadUInt64();
}
this.HeightmapOffset = br.ReadUInt32();
this.VertexNormalOffset = br.ReadUInt32();
this.TextureLayersOffset = br.ReadUInt32();
this.ModelReferencesOffset = br.ReadUInt32();
this.AlphaMapsOffset = br.ReadUInt32();
this.AlphaMapsSize = br.ReadUInt32();
this.BakedShadowsOffset = br.ReadUInt32();
this.BakedShadowsSize = br.ReadUInt32();
this.AreaID = br.ReadUInt32();
this.WorldModelObjectReferenceCount = br.ReadUInt32();
// TODO: Turn into bitmapped boolean field
if (!this.Flags.HasFlag(MapChunkFlags.UsesHighResHoles))
{
this.LowResHoles = br.ReadUInt16();
}
this.Unknown = br.ReadUInt16();
// TODO: This is a set of 8 by 8 2-bit integers. Shift and read into a byte array.
this.LowResTextureMap = br.ReadUInt16();
this.predTex = br.ReadUInt32();
this.noEffectDoodad = br.ReadUInt32();
this.SoundEmittersOffset = br.ReadUInt32();
this.SoundEmitterCount = br.ReadUInt32();
this.LiquidOffset = br.ReadUInt32();
this.LiquidSize = br.ReadUInt32();
this.MapTilePosition = br.ReadVector3f();
if (this.Flags.HasFlag(MapChunkFlags.HasVertexShading))
{
this.VertexShadingOffset = br.ReadUInt32();
}
}
}
}
private List <byte> Read4BitAlphaMap(byte[] compressedAlphaMap, MapChunkFlags mapFlags)
{
var decompressedAlphaMap = new List <byte>();
for (var y = 0; y < 64; y++)
{
for (var x = 0; x < 32; x++)
{
if (mapFlags.HasFlag(MapChunkFlags.DoNotRepairAlphaMaps))
{
// Fill in normally
var alpha1 = (byte)(compressedAlphaMap[x + (y * 32)] & 0xf0);
var alpha2 = (byte)((compressedAlphaMap[x + (y * 32)] << 4) & 0xf0);
var normalizedAlpha1 = (byte)(alpha1 * 17);
var normalizedAlpha2 = (byte)(alpha2 * 17);
decompressedAlphaMap.Add(normalizedAlpha1);
decompressedAlphaMap.Add(normalizedAlpha2);
}
else
{
// Bottom row
if (y == 63)
{
var yminus = y - 1;
// Attempt to repair map on vertical axis
var alpha1 = (byte)(compressedAlphaMap[x + (yminus * 32)] & 0xf0);
var alpha2 = (byte)((compressedAlphaMap[x + 1 + (yminus * 32)] << 4) & 0xf0);
var normalizedAlpha1 = (byte)(alpha1 * 17);
var normalizedAlpha2 = (byte)(alpha2 * 17);
decompressedAlphaMap.Add(normalizedAlpha1);
decompressedAlphaMap.Add(normalizedAlpha2);
}
else if (x == 31)
{
var xminus = x - 1;
// Attempt to repair map on horizontal axis
var alpha = (byte)(compressedAlphaMap[xminus + (y * 32)] << 4 & 0xf0);
var normalizedAlpha = (byte)(alpha * 17);
decompressedAlphaMap.Add(normalizedAlpha);
}
else
{
// Fill in normally
var alpha1 = (byte)(compressedAlphaMap[x + (y * 32)] & 0xf0);
var alpha2 = (byte)((compressedAlphaMap[x + (y * 32)] << 4) & 0xf0);
var normalizedAlpha1 = (byte)(alpha1 * 17);
var normalizedAlpha2 = (byte)(alpha2 * 17);
decompressedAlphaMap.Add(normalizedAlpha1);
decompressedAlphaMap.Add(normalizedAlpha2);
}
}
}
}
return(decompressedAlphaMap);
}
public List<byte> GetAlphaMap(uint MapOffset, TextureLayerFlags LayerFlags, MapChunkFlags MapFlags/*, TerrainTileFlags TileFlags*/)
{
return null;
}
private List<byte> Read4BitAlphaMap(byte[] CompressedAlphaMap, MapChunkFlags MapFlags)
{
List<byte> DecompressedAlphaMap = new List<byte>();
for (int y = 0; y < 64; y++)
{
for (int x = 0; x < 32; x++)
{
if (MapFlags.HasFlag(MapChunkFlags.DoNotRepairAlphaMaps))
{
//fill in normally
byte alpha1 = (byte)((CompressedAlphaMap[x + y * 32]) & 0xf0);
byte alpha2 = (byte)((CompressedAlphaMap[x + y * 32] << 4) & 0xf0);
byte normalizedAlpha1 = (byte)(alpha1 * 17);
byte normalizedAlpha2 = (byte)(alpha2 * 17);
DecompressedAlphaMap.Add(normalizedAlpha1);
DecompressedAlphaMap.Add(normalizedAlpha2);
}
else
{
// Bottom row
if (y == 63)
{
int yminus = y - 1;
//attempt to repair map on vertical axis
byte alpha1 = (byte)((CompressedAlphaMap[x + yminus * 32]) & 0xf0);
byte alpha2 = (byte)((CompressedAlphaMap[x + 1 + yminus * 32] << 4) & 0xf0);
byte normalizedAlpha1 = (byte)(alpha1 * 17);
byte normalizedAlpha2 = (byte)(alpha2 * 17);
DecompressedAlphaMap.Add(normalizedAlpha1);
DecompressedAlphaMap.Add(normalizedAlpha2);
}
else if (x == 31)
{
int xminus = x - 1;
//attempt to repair map on horizontal axis
byte alpha = (byte)(CompressedAlphaMap[xminus + y * 32] << 4 & 0xf0);
byte normalizedAlpha = (byte)(alpha * 17);
DecompressedAlphaMap.Add(normalizedAlpha);
}
else
{
//fill in normally
byte alpha1 = (byte)((CompressedAlphaMap[x + y * 32]) & 0xf0);
byte alpha2 = (byte)((CompressedAlphaMap[x + y * 32] << 4) & 0xf0);
byte normalizedAlpha1 = (byte)(alpha1 * 17);
byte normalizedAlpha2 = (byte)(alpha2 * 17);
DecompressedAlphaMap.Add(normalizedAlpha1);
DecompressedAlphaMap.Add(normalizedAlpha2);
}
}
}
}
return DecompressedAlphaMap;
}
public IEnumerable <byte> GetAlphaMap(uint mapOffset, TextureLayerFlags layerFlags, MapChunkFlags mapFlags /*, TerrainTileFlags TileFlags*/)
{
return(null);
}
private List <byte> Read4BitAlphaMap(byte[] compressedAlphaMap, MapChunkFlags mapFlags)
{
List <byte> decompressedAlphaMap = new List <byte>();
for (int y = 0; y < 64; y++)
{
for (int x = 0; x < 32; x++)
{
if (mapFlags.HasFlag(MapChunkFlags.DoNotRepairAlphaMaps))
{
//fill in normally
byte alpha1 = (byte)((compressedAlphaMap[x + y * 32]) & 0xf0);
byte alpha2 = (byte)((compressedAlphaMap[x + y * 32] << 4) & 0xf0);
byte normalizedAlpha1 = (byte)(alpha1 * 17);
byte normalizedAlpha2 = (byte)(alpha2 * 17);
decompressedAlphaMap.Add(normalizedAlpha1);
decompressedAlphaMap.Add(normalizedAlpha2);
}
else
{
// Bottom row
if (y == 63)
{
int yminus = y - 1;
//attempt to repair map on vertical axis
byte alpha1 = (byte)((compressedAlphaMap[x + yminus * 32]) & 0xf0);
byte alpha2 = (byte)((compressedAlphaMap[x + 1 + yminus * 32] << 4) & 0xf0);
byte normalizedAlpha1 = (byte)(alpha1 * 17);
byte normalizedAlpha2 = (byte)(alpha2 * 17);
decompressedAlphaMap.Add(normalizedAlpha1);
decompressedAlphaMap.Add(normalizedAlpha2);
}
else if (x == 31)
{
int xminus = x - 1;
//attempt to repair map on horizontal axis
byte alpha = (byte)(compressedAlphaMap[xminus + y * 32] << 4 & 0xf0);
byte normalizedAlpha = (byte)(alpha * 17);
decompressedAlphaMap.Add(normalizedAlpha);
}
else
{
//fill in normally
byte alpha1 = (byte)((compressedAlphaMap[x + y * 32]) & 0xf0);
byte alpha2 = (byte)((compressedAlphaMap[x + y * 32] << 4) & 0xf0);
byte normalizedAlpha1 = (byte)(alpha1 * 17);
byte normalizedAlpha2 = (byte)(alpha2 * 17);
decompressedAlphaMap.Add(normalizedAlpha1);
decompressedAlphaMap.Add(normalizedAlpha2);
}
}
}
}
return(decompressedAlphaMap);
}
public List <byte> GetAlphaMap(uint MapOffset, TextureLayerFlags LayerFlags, MapChunkFlags MapFlags /*, TerrainTileFlags TileFlags*/)
{
return(null);
}
