private Script ReadScript(UInt32 offset, UInt32 nextoffset)
{
Script script;
int i;
//go to first offset
reader.BaseStream.Seek(offset, SeekOrigin.Begin);
script = new Script();
//read header
script.Unknown = reader.ReadUInt16();
script.NbEntities = reader.ReadByte();
script.NbModels = reader.ReadByte();
script.StringOffset = reader.ReadUInt16();
script.NbAkaoOffsets = reader.ReadUInt16();
script.Scale = reader.ReadUInt16();
for (i = 0; i < 3; i++)
{
script.Blank[i] = reader.ReadUInt16();
}
script.Creator = Encoding.Default.GetString(reader.ReadBytes(8));
script.Name = Encoding.Default.GetString(reader.ReadBytes(8));
for (i = 0; i < script.NbEntities; i++)
{
script.Entities[i] = Encoding.Default.GetString(reader.ReadBytes(8));
}
//read offsets
for (i = 0; i < script.NbAkaoOffsets; i++)
{
script.AkaoOffsets[i] = reader.ReadUInt32();
}
for (i = 0; i < script.NbEntities; i++)
{
for (int j = 0; j < 32; j++)
{
script.EntityScripts[i, j] = Convert.ToUInt16(reader.ReadUInt16());
}
}
//read scripts
for (i = 0; i < script.NbEntities; i++)
{
for (int j = 0; j < 32; j++)
{
byte code;
EntityScript sc = new EntityScript();
Opcode op;
reader.BaseStream.Seek((UInt32)script.EntityScripts[i, j] + offset, SeekOrigin.Begin);
do
{
code = reader.ReadByte(); // read opcode
op = Opcodes.List[code]; // assign opcode from known list
byte count = 0;
byte[] buff;
if (op.Operands != null)
{
while (count < (byte)op.Operands.Length)
{
Operand oper = op.Operands[count];
if (oper.Size < 8)
{
//prepare BitVector sections
int len = 0;
int secidx = 0;
List <BitVector32.Section> sections = new List <BitVector32.Section>();
while (oper.Size < 8 && len <= 32)
{
BitVector32.Section sec;
if (secidx == 0)
{
sec = BitVector32.CreateSection((short)((1 << oper.Size) - 1));
}
else
{
sec = BitVector32.CreateSection((short)((1 << oper.Size) - 1), sections[secidx - 1]);
}
sections.Add(sec);
len += oper.Size;
secidx++;
if ((count + secidx) >= op.Operands.Length)
{
break;
}
else
{
oper = op.Operands[count + secidx];
}
}
//assign values from byte array
buff = reader.ReadBytes((int)(len / 8));
int valuetoparse = 0;
for (int k = 0; k < buff.Length; k++)
{
valuetoparse += (buff[k] << (k * 8));
}
BitVector32 bv = new BitVector32(valuetoparse);
for (int idx = 0; idx < secidx; idx++)
{
oper = op.Operands[count];
oper.Value = new byte[1];
oper.Value[0] = (byte)bv[sections[idx]];
count++;
}
}
else
{
buff = reader.ReadBytes((int)oper.Size / 8);
oper.Value = buff;
count++;
}
}
}
sc.Opcodes.Add(op);
} while (code != 0);
script.Scripts[i, j] = sc;
}
}
//read dialogs
reader.BaseStream.Seek((UInt32)script.StringOffset + offset, SeekOrigin.Begin);
script.NbDialogs = reader.ReadUInt16();
for (i = 0; i < script.NbDialogs; i++)
{
script.DialogOffsets[i] = Convert.ToUInt16(reader.ReadUInt16() + script.StringOffset);
}
for (i = 0; i < script.NbDialogs; i++)
{
byte[] dialog;
int size;
if ((i + 1) < script.NbDialogs)
{
size = script.DialogOffsets[i + 1] - script.DialogOffsets[i];
}
else
{
UInt32 next = script.NbAkaoOffsets == 0 ? nextoffset : script.AkaoOffsets[0];
size = Convert.ToInt32(next - script.DialogOffsets[i]);
}
dialog = new byte[size];
reader.BaseStream.Seek(script.DialogOffsets[i] + offset, SeekOrigin.Begin);
dialog = reader.ReadBytes(size);
script.Dialogs[i] = FF7Text.DecodeBytes(dialog, size);
dialog = null;
}
//read akao
for (i = 0; i < script.NbAkaoOffsets; i++)
{
AKAOFrame frm = new AKAOFrame();
reader.BaseStream.Seek((UInt32)script.AkaoOffsets[i] + offset, SeekOrigin.Begin);
frm.Magic = Encoding.Default.GetString(reader.ReadBytes(4));
frm.Id = reader.ReadUInt16();
frm.Length = reader.ReadUInt16();
frm.Unknown = reader.ReadBytes(8);
script.Akaos[i] = frm;
}
return(script);
}
