internal void Read(BinaryReader reader)
{
int posFileStart = (int)reader.BaseStream.Position;
MT00Header header = reader.ReadStructure <MT00Header>();
mAnimKeyInfo = reader.ReadStructures <AbKeyInfo>(header.numKeys);
reader.BaseStream.Seek(posFileStart + DATA_START_ADDRESS + header.animPointerTableOffset, SeekOrigin.Begin);
int[] animPointers = reader.ReadInt32Array(header.numAnims);
mAnims = new AbAnimation[header.numAnims];
for (int i = 0; i < mAnims.Length; i++)
{
if (animPointers[i] == 0)
{
// Some pointers just serve as a dummy animation slot
continue;
}
reader.BaseStream.Seek(posFileStart + DATA_START_ADDRESS + animPointers[i], SeekOrigin.Begin);
mAnims[i] = new AbAnimation(header.numKeys, reader);
}
}
// Methods
internal override void Write(BinaryWriter writer)
{
// Skip header
long posFileStart = (int)writer.BaseStream.Position;
writer.Seek(MT00Header.SIZE, SeekOrigin.Current);
MT00Header header = new MT00Header(AnimationCount, KeyCount);
// Create address list for reloc table
List <int> addressList = new List <int>();
// Calculate size of key info table & anim pointer table offset
int keyInfoTableSize = header.numKeys * AbKeyInfo.SIZE;
header.animPointerTableOffset = (int)(((writer.GetPosition() + keyInfoTableSize) - DATA_START_ADDRESS) - posFileStart);
addressList.Add((int)(writer.GetPosition() - 4 - posFileStart)); // animPointerTableOffset
// Write key info
for (int i = 0; i < mAnimKeyInfo.Length; i++)
{
writer.Write((ushort)mAnimKeyInfo[i].KeyType);
writer.Write(mAnimKeyInfo[i].UnkMorph);
writer.Write(mAnimKeyInfo[i].BoneIndex);
}
// Calculate anim pointer table size
long posAnimPointerTable = writer.GetPosition();
int animPointerTableSize = header.numAnims * sizeof(int);
int animPointerBase = (int)posAnimPointerTable + animPointerTableSize;
// Write anims
int[] animPointers = new int[header.numAnims];
for (int i = 0; i < animPointers.Length; i++)
{
if (mAnims[i] == null)
{
animPointers[i] = 0;
}
else
{
animPointers[i] = (int)((animPointerBase - DATA_START_ADDRESS) - posFileStart);
writer.Seek(animPointerBase, SeekOrigin.Begin);
mAnims[i].Write(writer);
animPointerBase = (int)writer.GetPosition();
}
}
// Write pointer table
writer.Seek(posAnimPointerTable, SeekOrigin.Begin);
for (int i = 0; i < animPointers.Length; i++)
{
if (mAnims[i] != null)
{
addressList.Add((int)(writer.GetPosition() - posFileStart));
writer.Write(animPointers[i]);
}
}
writer.Seek(animPointerBase, SeekOrigin.Begin);
// Calculate address reloc table values
byte[] addressRelocTable = PointerRelocationTableCompression.Compress(addressList, DATA_START_ADDRESS);
header.addressRelocTableSize = addressRelocTable.Length;
header.addressRelocTableOffset = (int)((writer.GetPosition() - DATA_START_ADDRESS) - posFileStart);
// Write address reloc table
writer.Write(addressRelocTable);
long posFileEnd = writer.GetPosition();
// Calculate length
header.length = (int)(posFileEnd - posFileStart);
// Write header
writer.Seek(posFileStart, SeekOrigin.Begin);
writer.WriteStructure(header);
writer.BaseStream.Seek(posFileEnd, SeekOrigin.Begin);
writer.AlignPosition(64);
}
