internal bool Code(int dictionarySize, LZ.OutWindow outWindow, RangeCoder.Decoder rangeDecoder)
{
int dictionarySizeCheck = Math.Max(dictionarySize, 1);
outWindow.CopyPending();
while (outWindow.HasSpace)
{
uint posState = (uint)outWindow.Total & m_PosStateMask;
if (m_IsMatchDecoders[(state.Index << Base.kNumPosStatesBitsMax) + posState].Decode(rangeDecoder) == 0)
{
byte b;
byte prevByte = outWindow.GetByte(0);
if (!state.IsCharState())
b = m_LiteralDecoder.DecodeWithMatchByte(rangeDecoder,
(uint)outWindow.Total, prevByte, outWindow.GetByte((int)rep0));
else
b = m_LiteralDecoder.DecodeNormal(rangeDecoder, (uint)outWindow.Total, prevByte);
outWindow.PutByte(b);
state.UpdateChar();
}
else
{
uint len;
if (m_IsRepDecoders[state.Index].Decode(rangeDecoder) == 1)
{
if (m_IsRepG0Decoders[state.Index].Decode(rangeDecoder) == 0)
{
if (m_IsRep0LongDecoders[(state.Index << Base.kNumPosStatesBitsMax) + posState].Decode(rangeDecoder) == 0)
{
state.UpdateShortRep();
outWindow.PutByte(outWindow.GetByte((int)rep0));
continue;
}
}
else
{
UInt32 distance;
if (m_IsRepG1Decoders[state.Index].Decode(rangeDecoder) == 0)
{
distance = rep1;
}
else
{
if (m_IsRepG2Decoders[state.Index].Decode(rangeDecoder) == 0)
distance = rep2;
else
{
distance = rep3;
rep3 = rep2;
}
rep2 = rep1;
}
rep1 = rep0;
rep0 = distance;
}
len = m_RepLenDecoder.Decode(rangeDecoder, posState) + Base.kMatchMinLen;
state.UpdateRep();
}
else
{
rep3 = rep2;
rep2 = rep1;
rep1 = rep0;
len = Base.kMatchMinLen + m_LenDecoder.Decode(rangeDecoder, posState);
state.UpdateMatch();
uint posSlot = m_PosSlotDecoder[Base.GetLenToPosState(len)].Decode(rangeDecoder);
if (posSlot >= Base.kStartPosModelIndex)
{
int numDirectBits = (int)((posSlot >> 1) - 1);
rep0 = ((2 | (posSlot & 1)) << numDirectBits);
if (posSlot < Base.kEndPosModelIndex)
rep0 += BitTreeDecoder.ReverseDecode(m_PosDecoders,
rep0 - posSlot - 1, rangeDecoder, numDirectBits);
else
{
rep0 += (rangeDecoder.DecodeDirectBits(
numDirectBits - Base.kNumAlignBits) << Base.kNumAlignBits);
rep0 += m_PosAlignDecoder.ReverseDecode(rangeDecoder);
}
}
else
rep0 = posSlot;
}
if (rep0 >= outWindow.Total || rep0 >= dictionarySizeCheck)
{
if (rep0 == 0xFFFFFFFF)
return true;
throw new DataErrorException();
}
outWindow.CopyBlock((int)rep0, (int)len);
}
}
return false;
}
private string GetTokenText(string[] list, LZ.Lexer.Token token)
{
if (token == null) return "";
StringBuilder sb = new StringBuilder();
if (token.EndLocation.Y == token.Location.Y)
{
sb.Append(list[token.line - 1]);
}
else
{
for (int i = token.Location.Y; i < token.EndLocation.Y; i++ )
{
if (i == token.EndLocation.Y - 1)
{
sb.Append(list[i]);
}
else
{
sb.Append(list[i]).Append("\n");
}
}
}
int nLen = token.EndLocation.X - token.Location.X;
string word = nLen <= 0 ? "" : sb.ToString().Substring(token.Location.X - 1, nLen);
return word;
}
private string GetTokenText(LZ.Lexer.Token token)
{
if (token == null) return "";
StringBuilder sb = new StringBuilder();
string word = token.val;
return word;
}
public Bitmap Render(GscPalette timePalette)
{
byte[] tiles = Tileset.GetTiles(Game.ROM.Subarray(Blocks, Width * Height), Width);
byte[] decompressed = LZ.Decompress(Game.ROM.From(Tileset.GFX));
byte[] gfx = new byte[0xe00];
Array.Copy(decompressed, 0, gfx, 0, 0x600); // vram bank 1
if (decompressed.Length > 0x600)
{
Array.Copy(decompressed, 0x600, gfx, 0x800, 0x600); // optional vram bank 2
}
if (Tileset.Id == 1 || Tileset.Id == 2 || Tileset.Id == 4)
{
// Load map group specific roof tiles.
byte roofIndex = Game.ROM[Game.SYM["MapGroupRoofs"] + Group];
if (roofIndex != 0xff)
{
Array.Copy(Game.ROM.Data, Game.SYM["Roofs"] + roofIndex * 0x90, gfx, 0xa0, 0x90);
}
}
int timeOffset = 0;
switch (timePalette)
{
case GscPalette.Morn: timeOffset = 0; break;
case GscPalette.Auto: // TODO: Don't always default to day time?
case GscPalette.Day: timeOffset = 1; break;
case GscPalette.Nite: timeOffset = 2; break;
case GscPalette.Dark: timeOffset = 3; break;
}
byte palMapBank;
if (Game.IsCrystal)
{
palMapBank = 0x13;
}
else
{
palMapBank = 0x02;
}
byte[] pixels = new byte[tiles.Length * 16];
byte[] palMap = new byte[tiles.Length];
for (int i = 0; i < tiles.Length; i++)
{
byte tile = tiles[i];
Array.Copy(gfx, tile * 16, pixels, i * 16, 16);
int bankOffset = tile > 0x60 ? 0x20 : 0;
byte palType = Game.ROM[(palMapBank << 16 | Tileset.PalMap) + (tile + bankOffset) / 2];
if ((tile & 1) == 0)
{
palType &= 0xf;
}
else
{
palType >>= 4;
}
palMap[i] = Game.ROM[EnvironmentColorPointer + timeOffset * 8 + palType];
}
ushort[] bgPalData = Game.ROM.From("TilesetBGPalette").ReadLE(168);
ushort[] roofPalData = Game.ROM.From(Game.SYM["RoofPals"] + Group * 8).ReadLE(4);
Array.Copy(roofPalData, 0, bgPalData, 6 * 4 + 1, 2);
Array.Copy(roofPalData, 0, bgPalData, 14 * 4 + 1, 2);
Array.Copy(roofPalData, 2, bgPalData, 22 * 4 + 1, 2);
byte[][][] bgPal = new byte[42][][];
for (int i = 0; i < bgPal.Length; i++)
{
bgPal[i] = new byte[4][];
for (int j = 0; j < 4; j++)
{
bgPal[i][j] = new byte[3];
ushort val = bgPalData[i * 4 + j];
bgPal[i][j][0] = (byte)(((val) & 0x1f) << 3);
bgPal[i][j][1] = (byte)(((val >> 5) & 0x1f) << 3);
bgPal[i][j][2] = (byte)(((val >> 10) & 0x1f) << 3);
}
}
Bitmap bitmap = new Bitmap(Width * 2 * 2 * 8, Height * 2 * 2 * 8);
bitmap.Unpack2BPP(pixels, bgPal, palMap);
return(bitmap);
}
public Comment(LZ.Lexer.CommentType commentType, string comment, Point startPosition, Point endPosition) : base(startPosition, endPosition)
{
this.commentType = commentType;
this.comment = comment;
}
void InitMatchFinder(LZ.IMatchFinder matchFinder)
{
_matchFinder = matchFinder;
}