/// <summary>
/// Reads the dungeon block
/// </summary>
public uint ReadDungeonBlock()
{
uint lastFilePos = (uint)m_sourceFile.Position;
try
{
m_sourceFile.PrepareFileForReading();
uint fileId;
if (m_myStartPos == 0)
{
// file id, assert that it matches the file
fileId = m_sourceFile.ReadUInt32();
Debug.Assert(fileId == m_sourceFile.FileId);
// flags & texture IDs
m_flags = m_sourceFile.ReadUInt32();
}
else
{
m_sourceFile.Seek((uint)m_myStartPos);
m_sourceFile.AlignToDwordBoundary();
m_flags = 0xFFFFFFFF;
fileId = 0xFFFFFFFF;
}
//Debug.Assert(m_flags == 0x01); // check known flag values
m_textureCount = m_sourceFile.ReadUInt32(); // index, perhaps?
// unknown values
m_t2TrifanCount = m_sourceFile.ReadUInt32();
m_t1TrifanCount = m_sourceFile.ReadUInt32();
m_unkBytesAfterTrifans = m_sourceFile.ReadUInt32();
m_unk4 = m_sourceFile.ReadUInt32();
// vertex data
m_vertexCount = m_sourceFile.ReadUInt32();
m_vertexInfo = new VertexInfo[m_vertexCount];
for (int i = 0; i < m_vertexCount; i++)
{
m_vertexInfo[i].VertexIndex = m_sourceFile.ReadUInt16();
Debug.Assert(i == m_vertexInfo[i].VertexIndex);
m_vertexInfo[i].CUVDataLength = m_sourceFile.ReadUInt16();
m_vertexInfo[i].X = m_sourceFile.ReadSingle();
m_vertexInfo[i].Y = m_sourceFile.ReadSingle();
m_vertexInfo[i].Z = m_sourceFile.ReadSingle();
m_vertexInfo[i].NX = m_sourceFile.ReadSingle();
m_vertexInfo[i].NY = m_sourceFile.ReadSingle();
m_vertexInfo[i].NZ = m_sourceFile.ReadSingle();
m_vertexInfo[i].CUVData = new UV[m_vertexInfo[i].CUVDataLength];
for (int j = 0; j < m_vertexInfo[i].CUVDataLength; j++)
{
m_vertexInfo[i].CUVData[j].U = m_sourceFile.ReadSingle();
m_vertexInfo[i].CUVData[j].V = m_sourceFile.ReadSingle();
}
}
if (fileId == 0x0d0000ca)
{
Debugger.Break();
}
MeshParser meshParser = new MeshParser(m_sourceFile);
T2TrifanSet =
meshParser.ParseTrifanSet(true, m_t2TrifanCount, TrifanType.T2, (int)m_unkBytesAfterTrifans);
//TrifanInfo[] trifans = new TrifanInfo[(int)m_t1TrifanCount];
//for (int i = 0; i < trifans.Length; i++)
//{
// trifans[i] = meshParser.ParseTrifanInfo();
//}
T1TrifanSet = meshParser.ParseTrifanSet(true, m_t1TrifanCount, TrifanType.T1);
if (!m_sourceFile.HasReachedEnd)
{
uint nextVal = m_sourceFile.ReadUInt32();
if (nextVal == 1)
{
BP tmpBP2 = meshParser.ParseTaggedRecord(TrifanType.T0);
m_sourceFile.AlignToDwordBoundary();
}
else
{
if (!m_sourceFile.HasReachedEnd)
{
// break, unknown condition
Debugger.Break();
}
}
}
// read tagged record, if needed
if (!m_sourceFile.HasReachedEnd)
{
m_taggedElementStart = m_sourceFile.Position;
m_taggedElement = new DungeonBlock(m_sourceFile.CreateCopy(), m_taggedElementStart);
uint newPosition = m_taggedElement.ReadDungeonBlock();
m_sourceFile.Seek(newPosition);
}
Debug.Assert(m_sourceFile.HasReachedEnd);
}
finally
{
lastFilePos = (uint)m_sourceFile.Position;
m_sourceFile.FileReadingComplete();
}
return(lastFilePos);
}
/// <summary>
/// reads the mesh from file into memory.
/// </summary>
public void ReadSimpleMesh()
{
bool breakAfterParsing = false;
try
{
m_sourceFile.PrepareFileForReading();
// file id, assert that it matches the file
uint fileId = m_sourceFile.ReadUInt32();
Debug.Assert(fileId == m_sourceFile.FileId);
// flags & texture IDs
m_flags = m_sourceFile.ReadUInt32();
Debug.Assert(m_flags == 0x02 || m_flags == 0x03 || m_flags == 0x0a || m_flags == 0x0b); // check known flag values
if (fileId == 0x01000007)
{
//Debugger.Break();
}
if (m_sourceFile.DatType == DatType.Portal_ToD)
{
m_textureCount = m_sourceFile.ReadByte();
}
else
{
m_textureCount = m_sourceFile.ReadUInt32();
}
m_textureInfo = new uint[m_textureCount];
for (int i = 0; i < m_textureCount; i++)
{
m_textureInfo[i] = m_sourceFile.ReadUInt32();
}
// unknown value, always 0x01
uint unknown1 = m_sourceFile.ReadUInt32();
Debug.Assert(unknown1 == 0x01);
// vertex data
m_vertexCount = m_sourceFile.ReadUInt32();
m_vertexInfo = new VertexInfo[m_vertexCount];
for (int i = 0; i < m_vertexCount; i++)
{
m_vertexInfo[i].VertexIndex = m_sourceFile.ReadUInt16();
Debug.Assert(i == m_vertexInfo[i].VertexIndex);
m_vertexInfo[i].CUVDataLength = m_sourceFile.ReadUInt16();
if (m_vertexInfo[i].CUVDataLength < m_textureCount)
{
breakAfterParsing = true;
}
m_vertexInfo[i].X = m_sourceFile.ReadSingle();
m_vertexInfo[i].Y = m_sourceFile.ReadSingle();
m_vertexInfo[i].Z = m_sourceFile.ReadSingle();
m_vertexInfo[i].NX = m_sourceFile.ReadSingle();
m_vertexInfo[i].NY = m_sourceFile.ReadSingle();
m_vertexInfo[i].NZ = m_sourceFile.ReadSingle();
m_vertexInfo[i].CUVData = new UV[m_vertexInfo[i].CUVDataLength];
for (int j = 0; j < m_vertexInfo[i].CUVDataLength; j++)
{
m_vertexInfo[i].CUVData[j].U = m_sourceFile.ReadSingle();
m_vertexInfo[i].CUVData[j].V = m_sourceFile.ReadSingle();
}
}
// look at the flags and decide what comes next. The two least significant
// bits decide on how many substructures will follow (one or two).
bool hasSetOne = ((m_flags & 0x01) == 0x01);
bool hasSetTwo = ((m_flags & 0x02) == 0x02);
MeshParser meshParser = new MeshParser(m_sourceFile);
if (hasSetOne)
{
m_firstTrifanSet = meshParser.ParseTrifanSet(true, m_sourceFile.ReadUInt32(), TrifanType.T1);
}
if (hasSetTwo)
{
meshParser.ReadThreeFloats(out m_unknown3_a, out m_unknown3_b, out m_unknown3_c);
uint trifanCount;
if (m_sourceFile.DatType == DatType.Portal_ToD)
{
trifanCount = m_sourceFile.ReadByte();
}
else
{
trifanCount = m_sourceFile.ReadUInt32();
}
m_secondTrifanSet = meshParser.ParseTrifanSet(true, trifanCount, TrifanType.T0);
}
if (m_sourceFile.DatType == DatType.Portal_ToD)
{
if ((m_flags & 0x08) == 0x08)
{
// read uint 32 directing us at some 0x11?????? file
uint elevenFile = m_sourceFile.ReadUInt32();
}
}
Debug.Assert(m_sourceFile.HasReachedEnd);
}
finally
{
m_sourceFile.FileReadingComplete();
}
if (breakAfterParsing)
{
//Debugger.Break();
}
}