private void Read_GetStream(ref SegmentedBank curSegBank, ref Stream s, ref BinaryReader br, ref FileStream fs, ref BinaryReader brfs, RomManager rommgr, int scriptStartInBank, Dictionary <byte, BinaryReader> dicBankBinaryReaders, Dictionary <byte, SegmentedBank> segDic)
{
byte bankID = Conversions.ToByte(scriptStartInBank >> 24);
curSegBank = rommgr.GetSegBank(bankID);
if (curSegBank is null && segDic?.ContainsKey(bankID) == true)
{
curSegBank = segDic[bankID];
}
if (curSegBank?.Data is object)
{
s = curSegBank.Data;
if (dicBankBinaryReaders.ContainsKey(curSegBank.BankID))
{
br = dicBankBinaryReaders[curSegBank.BankID];
}
else
{
br = new BinaryReader(curSegBank.Data);
dicBankBinaryReaders.Add(curSegBank.BankID, br);
}
}
else
{
if (fs is null)
{
fs = new FileStream(rommgr.RomFile, FileMode.Open, FileAccess.Read);
}
if (brfs is null)
{
brfs = new BinaryReader(fs);
}
s = fs;
br = brfs;
}
if (curSegBank is object)
{
s.Position = s == fs?curSegBank.SegToRomAddr(scriptStartInBank) : curSegBank.BankOffsetFromSegAddr(scriptStartInBank);
}
}
public void FromStream(object input, int segAddress, byte?AreaID)
{
Close();
var rommgr = input as RomManager;
var data = input as BinaryData;
var lastPositions = new Stack <int>();
SegmentedBank curSeg = null;
void getSegBank(int segAddr)
{
if (rommgr is object)
{
curSeg = FromStream_GetSegBank(rommgr, segAddress, AreaID);
data = new BinaryStreamData(curSeg.Data);
}
}
getSegBank(segAddress);
data.Position = curSeg is object?curSeg.BankOffsetFromSegAddr(segAddress) : segAddress & 0xffffff;
bool continueDo = true;
while (data.Position < curSeg.Length && continueDo)
{
// Read Command
var cmdbytes = new byte[8];
data.Read(cmdbytes);
// Create & Add Command
var cmd = new DisplayListCommand(cmdbytes)
{
RomAddress = (int)(curSeg?.RomStart ?? 0 + data.Position),
BankAddress = (int)(curSeg?.BankAddress ?? 0 + data.Position)
};
Add(cmd);
switch (cmd.CommandType)
{
case CommandTypes.NOOP:
{
cmd.Position = 0;
int checkVal = cmd.ReadInt32();
cmd.Position = 0;
if (checkVal != 0)
{
break;
}
break;
}
case CommandTypes.DisplayList:
{
cmd.Position = 4;
int segAddr = cmd.ReadInt32();
cmd.Position = 0;
getSegBank(segAddr);
if (curSeg is object)
{
if (cmdbytes[1] != 1)
{
lastPositions.Push(Conversions.ToInteger(data.Position));
}
else
{
lastPositions.Clear();
}
data.Position = curSeg.BankOffsetFromSegAddr(segAddr);
}
else
{
break;
}
break;
}
case CommandTypes.EndDisplaylist:
{
if (lastPositions.Count > 0)
{
curSeg.Data.Position = lastPositions.Pop();
}
else
{
continueDo = false;
}
break;
}
}
}
}
