public void ReadFXP(BinaryFile bf)
{
ChunkMagic = bf.ReadString(4);
if (ChunkMagic != "CcnK")
{
Console.Out.WriteLine("Error reading file. Missing preset header information.");
}
ByteSize = bf.ReadInt32();
FxMagic = bf.ReadString(4);
if (FxMagic == "FBCh")
{
// Bank with Chunk Data
Version = bf.ReadInt32();
FxID = bf.ReadString(4);
FxVersion = bf.ReadInt32();
ProgramCount = bf.ReadInt32();
Future = bf.ReadString(128);
ChunkSize = bf.ReadInt32();
// Even though the main FXP is BigEndian format the preset chunk is saved in LittleEndian format
chunkDataByteArray = new byte[ChunkSize];
chunkDataByteArray = bf.ReadBytes(0, ChunkSize, BinaryFile.ByteOrder.LittleEndian);
chunkData = BinaryFile.ByteArrayToString(chunkDataByteArray);
}
else if (FxMagic == "FPCh")
{
// Preset with Chunk Data
Version = bf.ReadInt32();
FxID = bf.ReadString(4);
FxVersion = bf.ReadInt32();
ProgramCount = bf.ReadInt32();
Name = bf.ReadString(28);
ChunkSize = bf.ReadInt32();
// Even though the main FXP is BigEndian format the preset chunk is saved in LittleEndian format
chunkDataByteArray = new byte[ChunkSize];
chunkDataByteArray = bf.ReadBytes(0, ChunkSize, BinaryFile.ByteOrder.LittleEndian);
chunkData = BinaryFile.ByteArrayToString(chunkDataByteArray);
}
else if (FxMagic == "FxCk")
{
// For Preset (Program) (.fxp) without chunk (magic = 'FxCk')
Version = bf.ReadInt32();
FxID = bf.ReadString(4);
FxVersion = bf.ReadInt32();
ParameterCount = bf.ReadInt32();
Name = bf.ReadString(28);
// variable no. of parameters
Parameters = new float[ParameterCount];
for (int i = 0; i < ParameterCount; i++)
{
Parameters[i] = bf.ReadSingle();
}
}
bf.Close();
}
public void WriteFile(string filePath)
{
BinaryFile bf = new BinaryFile(filePath, BinaryFile.ByteOrder.BigEndian, true);
if (ChunkMagic != "CcnK")
{
Console.Out.WriteLine("Cannot save the preset file. Missing preset header information.");
return;
}
bf.Write(ChunkMagic); // chunkMagic, 4
// check what preset type we are saving
if (FxMagic == "FBCh")
{
// Bank with Chunk Data
ByteSize = 152 + ChunkSize;
bf.Write(ByteSize); // byteSize = 4
bf.Write(FxMagic); // fxMagic, 4
bf.Write(Version); // version, 4
bf.Write(FxID); // fxID, 4
bf.Write(FxVersion); // fxVersion, 4
bf.Write(ProgramCount); // numPrograms, 4
bf.Write(Future, 128); // future, 128
bf.Write(ChunkSize); // chunkSize, 4
// Even though the main FXP is BigEndian format the preset chunk is saved in LittleEndian format
bf.Write(chunkDataByteArray, BinaryFile.ByteOrder.LittleEndian);
}
else if (FxMagic == "FPCh")
{
// Preset with Chunk Data
ByteSize = 52 + ChunkSize;
bf.Write(ByteSize); // byteSize = 4
bf.Write(FxMagic); // fxMagic, 4
bf.Write(Version); // version, 4
bf.Write(FxID); // fxID, 4
bf.Write(FxVersion); // fxVersion, 4
bf.Write(ProgramCount); // numPrograms, 4
bf.Write(Name, 28); // name, 28
bf.Write(ChunkSize); // chunkSize, 4
// Even though the main FXP is BigEndian format the preset chunk is saved in LittleEndian format
bf.Write(chunkDataByteArray, BinaryFile.ByteOrder.LittleEndian);
}
else if (FxMagic == "FxCk")
{
// For Preset (Program) (.fxp) without chunk (magic = 'FxCk')
// Bank with Chunk Data
ByteSize = 48 + (4 * ParameterCount);
bf.Write(ByteSize); // byteSize = 4
bf.Write(FxMagic); // fxMagic, 4
bf.Write(Version); // version, 4
bf.Write(FxID); // fxID, 4
bf.Write(FxVersion); // fxVersion, 4
bf.Write(ParameterCount); // numParameters, 4
bf.Write(Name, 28); // name, 28
// variable no. of parameters
for (int i = 0; i < ParameterCount; i++)
{
bf.Write((float)Parameters[i]);
}
}
bf.Close();
}