/// <summary>
/// Read the doodad instances from the Object ADT.
/// </summary>
public static void ReadMDDF(BinaryReader reader, uint chunkSize, ADTModel model)
{
var mddfSize = chunkSize / 36;
for (var i = 0; i < mddfSize; ++i)
{
var mddfEntry = new MDDF();
mddfEntry.FileDataId = reader.ReadUInt32();
mddfEntry.UniqueId = reader.ReadInt32();
var rawY = (reader.ReadSingle() - 17066) * -1 / WorldConstants.WorldScale;
var rawZ = reader.ReadSingle() / WorldConstants.WorldScale;
var rawX = (reader.ReadSingle() - 17066) * -1 / WorldConstants.WorldScale;
mddfEntry.Position = new Vector3(rawX, rawZ, rawY);
rawX = reader.ReadSingle();
rawZ = 180 - reader.ReadSingle();
rawY = reader.ReadSingle();
mddfEntry.Rotation = Quaternion.Euler(new Vector3(rawX, rawZ, rawY));
mddfEntry.Scale = reader.ReadUInt16() / 1024.0f;
mddfEntry.Flags = (MDDFFlags)reader.ReadUInt16();
model.DoodadInstances.Add(mddfEntry.UniqueId, mddfEntry);
}
}
/// <summary>
/// Read the Obj0.adt format.
/// </summary>
/// <param name="fileDataId"></param>
/// <param name="model"></param>
public static void ReadObjADT(uint fileDataId, ADTModel model)
{
var stream = CASC.OpenFile(fileDataId);
if (stream == null)
{
return;
}
using (var reader = new BinaryReader(stream))
{
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
var chunkId = (Chunks)reader.ReadUInt32();
var chunkSize = reader.ReadUInt32();
switch (chunkId)
{
case Chunks.MDDF: // Doodad Instances
ReadMDDF(reader, chunkSize, model);
break;
default:
reader.Skip(chunkSize);
// Debug.Log($"ADTOBJ: Skipping {chunkId} (0x{chunkId:X}) with size: {chunkSize}..");
break;
}
}
}
}
/// <summary>
/// Read the Texture MCNK from the texture ADT.
/// </summary>
public static void ReadTexMCNK(BinaryReader reader, uint mcnkSize, ADTModel model)
{
var startPosition = reader.BaseStream.Position;
var texMcnk = new TexMCNKChunk();
while (reader.BaseStream.Position < startPosition + mcnkSize)
{
var chunkId = (Chunks)reader.ReadUInt32();
var chunkSize = reader.ReadUInt32();
switch (chunkId)
{
case Chunks.MCLY: // Texture Layers.
ReadMCLY(reader, chunkSize, texMcnk);
break;
case Chunks.MCAL: // Alpha Layers.
ReadMCAL(reader, texMcnk, model.WdtFileDataId, chunkSize);
break;
default:
reader.Skip(chunkSize);
break;
}
}
model.TexMCNKs.Add(texMcnk);
}
/// <summary>
/// Read the MTXP chunk.
/// </summary>
public static void ReadMTXP(BinaryReader reader, uint chunkSize, ADTModel model)
{
model.HasMTXP = true;
for (var i = 0; i < chunkSize / 16; ++i)
{
var flags = reader.ReadUInt32();
var heightScale = reader.ReadSingle();
var heightOffset = reader.ReadSingle();
reader.ReadInt32(); // Padding
}
}
/// <summary>
/// Read the Textures from the Tex0 adt.
/// </summary>
public static void ReadTextures(BinaryReader reader, uint chunkSize, ADTModel data)
{
var textureSize = chunkSize / 4;
for (var i = 0; i < textureSize; ++i)
{
var texFileDataId = reader.ReadUInt32();
if (!data.TextureFileDataId.Contains(texFileDataId))
{
var textureData = BLP.Open(texFileDataId);
if (textureData == null)
{
continue;
}
data.TextureFileDataId.Add(texFileDataId);
data.TextureDatas.Add(texFileDataId, textureData);
}
}
}
/// <summary>
/// Read the Tex0.adt format.
/// </summary>
public static void ReadTexADT(uint fileDataId, ADTModel model)
{
var stream = CASC.OpenFile(fileDataId);
if (stream == null)
{
return;
}
using (var reader = new BinaryReader(stream))
{
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
var chunkId = (Chunks)reader.ReadUInt32();
var chunkSize = reader.ReadUInt32();
switch (chunkId)
{
case Chunks.MDID:
case Chunks.MHID:
ReadTextures(reader, chunkSize, model);
break;
case Chunks.MCNK:
ReadTexMCNK(reader, chunkSize, model);
break;
case Chunks.MTXP:
ReadMTXP(reader, chunkSize, model);
break;
default:
reader.Skip(chunkSize);
// Debug.Log($"ADTTEX: Skipping {chunkId} (0x{chunkId:X}) with size: {chunkSize}..");
break;
}
}
}
}
/// <summary>
/// Read the MCNK chunk and fills the <see cref="ADTModel"/> and <see cref="MCNKChunk"/>
/// </summary>
public static void ReadMCNK(BinaryReader reader, ADTModel model, uint mcnkSize)
{
var startPosition = reader.BaseStream.Position;
var mcnk = new MCNKChunk();
mcnk.Flags = reader.ReadUInt32();
mcnk.IndexX = reader.ReadUInt32();
mcnk.IndexY = reader.ReadUInt32();
mcnk.LayerCount = reader.ReadUInt32();
var doodadRefCount = reader.ReadUInt32();
mcnk.HolesHighRes = new byte[8];
for (var i = 0; i < 8; ++i)
{
mcnk.HolesHighRes[i] = reader.ReadByte();
}
var layerOffset = reader.ReadUInt32();
var refOffset = reader.ReadUInt32();
var alphaOffset = reader.ReadUInt32();
var alphaSize = reader.ReadUInt32();
var shadowOffset = reader.ReadUInt32();
var shadowSize = reader.ReadUInt32();
var areaId = reader.ReadUInt32();
var mapObjectRefs = reader.ReadUInt32();
mcnk.HolesLowRes = reader.ReadUInt16();
var unknown1 = reader.ReadUInt16();
var lowQualityTexture = new uint[4];
for (var i = 0; i < 4; ++i)
{
lowQualityTexture[i] = reader.ReadUInt32();
}
var predTex = reader.ReadUInt32();
var noEffectDoodad = reader.ReadUInt32();
var soundEmitterOffset = reader.ReadInt32();
var soundEmitterCount = reader.ReadInt32();
var liquidOffset = reader.ReadInt32();
var liquidSize = reader.ReadInt32();
mcnk.MeshPosition = new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
var mccvOffset = reader.ReadInt32();
var mclvOffset = reader.ReadInt32();
reader.ReadInt32(); // Unused
while (reader.BaseStream.Position < startPosition + mcnkSize)
{
var chunkId = (Chunks)reader.ReadUInt32();
var chunkSize = reader.ReadUInt32();
switch (chunkId)
{
case Chunks.MCVT: // Vertex Heights
mcnk.Vertices = ReadMCVT(reader);
break;
case Chunks.MCNR: // Normals
mcnk.Normals = ReadMCNR(reader);
break;
default:
reader.Skip(chunkSize);
// Debug.Log($"MCNK - Skipping {chunkId} (0x{chunkId:X}) with size: {chunkSize}..");
break;
}
}
model.MCNKs.Add(mcnk);
}
