// TODO: Change to stream-based loading
/// <summary>
/// Creates a new ADT object from a file on disk
/// </summary>
/// <param name="Data">Byte array containing ADT data.</param>
/// <returns>A parsed ADT file with objects for all chunks</returns>
public TerrainTile(byte[] Data)
{
using (MemoryStream ms = new MemoryStream(Data))
{
using (BinaryReader br = new BinaryReader(ms))
{
// In all ADT files, the version chunk and header chunk are at the beginning of the file,
// with the header following the version. From them, the rest of the chunks can be
// seeked to and read.
// Read Version Chunk
this.Version = br.ReadIFFChunk<TerrainVersion>();
// Read the header chunk
this.Header = br.ReadIFFChunk<TerrainHeader>();
if (this.Header.MapChunkOffsetsOffset > 0)
{
br.BaseStream.Position = this.Header.MapChunkOffsetsOffset;
this.MapChunkOffsets = br.ReadIFFChunk<TerrainMapChunkOffsets>();
}
if (this.Header.TexturesOffset > 0)
{
br.BaseStream.Position = this.Header.TexturesOffset;
this.Textures = br.ReadIFFChunk<TerrainTextures>();
}
if (this.Header.ModelsOffset > 0)
{
br.BaseStream.Position = this.Header.ModelsOffset;
this.Models = br.ReadIFFChunk<TerrainModels>();
}
if (this.Header.ModelIndicesOffset > 0)
{
br.BaseStream.Position = this.Header.ModelIndicesOffset;
this.ModelIndices = br.ReadIFFChunk<TerrainModelIndices>();
}
if (this.Header.WorldModelObjectsOffset > 0)
{
br.BaseStream.Position = this.Header.WorldModelObjectsOffset;
this.WorldModelObjects = br.ReadIFFChunk<TerrainWorldModelObjects>();
}
if (this.Header.WorldModelObjectIndicesOffset > 0)
{
br.BaseStream.Position = this.Header.WorldModelObjectIndicesOffset;
this.WorldModelObjectIndices = br.ReadIFFChunk<TerrainWorldObjectModelIndices>();
}
if (this.Header.LiquidOffset > 0)
{
br.BaseStream.Position = this.Header.LiquidOffset;
this.Liquids = br.ReadIFFChunk<TerrainLiquid>();
// TODO: [#9] Pass in DBC liquid type to load the vertex data
}
// Read and fill the map chunks
foreach (MapChunkOffsetEntry Entry in this.MapChunkOffsets.Entries)
{
br.BaseStream.Position = Entry.MapChunkOffset;
this.MapChunks.Add(br.ReadIFFChunk<TerrainMapChunk>());
}
}
}
}
public WorldLOD(byte[] inData)
{
using (MemoryStream ms = new MemoryStream(inData))
{
using (BinaryReader br = new BinaryReader(ms))
{
// Set up the two area lists with default values
for (int i = 0; i < 4096; ++i)
{
this.MapAreas.Add(null);
this.MapAreaHoles.Add(null);
}
this.Version = br.ReadIFFChunk<TerrainVersion>();
if (br.PeekChunkSignature() == TerrainWorldModelObjects.Signature)
{
this.WorldModelObjects = br.ReadIFFChunk<TerrainWorldModelObjects>();
}
if (br.PeekChunkSignature() == TerrainWorldObjectModelIndices.Signature)
{
this.WorldModelObjectIndices = br.ReadIFFChunk<TerrainWorldObjectModelIndices>();
}
if (br.PeekChunkSignature() == TerrainWorldModelObjectPlacementInfo.Signature)
{
this.WorldModelObjectPlacementInfo = br.ReadIFFChunk<TerrainWorldModelObjectPlacementInfo>();
}
this.MapAreaOffsets = br.ReadIFFChunk<WorldLODMapAreaOffsets>();
// Read the map areas and their holes
for (int y = 0; y < 64; ++y)
{
for (int x = 0; x < 64; ++x)
{
int mapAreaOffsetIndex = (y * 64) + x;
uint mapAreaOffset = this.MapAreaOffsets.MapAreaOffsets[mapAreaOffsetIndex];
if (mapAreaOffset > 0)
{
br.BaseStream.Position = mapAreaOffset;
this.MapAreas[mapAreaOffsetIndex] = br.ReadIFFChunk<WorldLODMapArea>();
if (br.PeekChunkSignature() == WorldLODMapAreaHoles.Signature)
{
this.MapAreaHoles[mapAreaOffsetIndex] = br.ReadIFFChunk<WorldLODMapAreaHoles>();
}
else
{
this.MapAreaHoles[mapAreaOffsetIndex] = WorldLODMapAreaHoles.CreateEmpty();
}
}
else
{
this.MapAreas[mapAreaOffsetIndex] = null;
this.MapAreaHoles[mapAreaOffsetIndex] = null;
}
}
}
}
}
}