public static unsafe Bitmap ExtractThumb(IniFile map)
{
var prevSection = map.GetSection("Preview");
var size = prevSection.ReadString("Size").Split(',');
var previewSize = new Rectangle(int.Parse(size[0]), int.Parse(size[1]), int.Parse(size[2]), int.Parse(size[3]));
var preview = new Bitmap(previewSize.Width, previewSize.Height, PixelFormat.Format24bppRgb);
byte[] image = new byte[preview.Width * preview.Height * 3];
var prevDataSection = map.GetSection("PreviewPack");
var image_compressed = Convert.FromBase64String(prevDataSection.ConcatenatedValues());
Format5.DecodeInto(image_compressed, image, 5);
// invert rgb->bgr
BitmapData bmd = preview.LockBits(new Rectangle(0, 0, preview.Width, preview.Height), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
int idx = 0;
for (int y = 0; y < bmd.Height; y++)
{
byte *row = (byte *)bmd.Scan0 + bmd.Stride * y;
byte *p = row;
for (int x = 0; x < bmd.Width; x++)
{
byte b = image[idx++];
byte g = image[idx++];
byte r = image[idx++];
* p++ = r;
* p++ = g;
* p++ = b;
}
}
preview.UnlockBits(bmd);
return(preview);
}
/// <summary>Reads the tiles. </summary>
private void ReadTiles()
{
var mapSection = GetSection("IsoMapPack5");
byte[] lzoData = Convert.FromBase64String(mapSection.ConcatenatedValues());
int cells = (FullSize.Width * 2 - 1) * FullSize.Height;
int lzoPackSize = cells * 11 + 4; // last 4 bytes contains a lzo pack header saying no more data is left
var isoMapPack = new byte[lzoPackSize];
uint totalDecompressSize = Format5.DecodeInto(lzoData, isoMapPack);
var mf = new MemoryFile(isoMapPack);
int numtiles = 0;
for (int i = 0; i < cells; i++)
{
ushort rx = mf.ReadUInt16();
ushort ry = mf.ReadUInt16();
short tilenum = mf.ReadInt16();
short zero1 = mf.ReadInt16();
ushort subtile = mf.ReadByte();
short z = mf.ReadByte();
byte zero2 = mf.ReadByte();
int dx = rx - ry + FullSize.Width - 1;
int dy = rx + ry - FullSize.Width - 1;
numtiles++;
if (dx >= 0 && dx < 2 * Tiles.Width &&
dy >= 0 && dy < 2 * Tiles.Height)
{
var tile = new IsoTile((ushort)dx, (ushort)dy, rx, ry, z, tilenum, subtile);
Tiles[(ushort)dx, (ushort)dy / 2] = tile;
}
}
// fix missing tiles
// import tiles
for (ushort y = 0; y < FullSize.Height; y++)
{
for (ushort x = 0; x <= FullSize.Width * 2 - 2; x++)
{
var isoTile = Tiles[x, y];
if (isoTile == null)
{
// fix null tiles to blank
ushort dx = (ushort)(x);
ushort dy = (ushort)(y * 2 + x % 2);
ushort rx = (ushort)((dx + dy) / 2 + 1);
ushort ry = (ushort)(dy - rx + FullSize.Width + 1);
Tiles[x, y] = new IsoTile(dx, dy, rx, ry, 0, 0, 0);
}
}
}
Logger.Debug("Read {0} tiles", numtiles);
}
/// <summary>Reads the overlay.</summary>
private void ReadOverlay()
{
IniSection overlaySection = GetSection("OverlayPack");
if (overlaySection == null)
{
Logger.Info("OverlayPack section unavailable in {0}, overlay will be unavailable", Path.GetFileName(FileName));
return;
}
byte[] format80Data = Convert.FromBase64String(overlaySection.ConcatenatedValues());
var overlayPack = new byte[1 << 18];
Format5.DecodeInto(format80Data, overlayPack, 80);
IniSection overlayDataSection = GetSection("OverlayDataPack");
if (overlayDataSection == null)
{
Logger.Debug("OverlayDataPack section unavailable in {0}, overlay will be unavailable", Path.GetFileName(FileName));
return;
}
format80Data = Convert.FromBase64String(overlayDataSection.ConcatenatedValues());
var overlayDataPack = new byte[1 << 18];
Format5.DecodeInto(format80Data, overlayDataPack, 80);
for (int y = 0; y < FullSize.Height; y++)
{
for (int x = FullSize.Width * 2 - 2; x >= 0; x--)
{
var t = Tiles[x, y];
if (t == null)
{
continue;
}
int idx = t.Rx + 512 * t.Ry;
byte overlay_id = overlayPack[idx];
if (overlay_id != 0xFF)
{
byte overlay_value = overlayDataPack[idx];
var ovl = new Overlay(overlay_id, overlay_value);
ovl.Tile = t;
Overlays.Add(ovl);
}
}
}
Logger.Debug("Read {0} overlay types", Overlays.Count);
}
private void InitializeOverlays()
{
MapSection overlaySection = GetSection("OverlayPack");
MapSection overlayDataSection = GetSection("OverlayDataPack");
if (overlaySection != null && overlayDataSection != null)
{
overlays = new List <Overlay>();
StringBuilder sb = new StringBuilder();
foreach (KeyValuePair <string, string> entry in overlaySection.Entries)
{
sb.Append(entry.Value);
}
byte[] format80Data = Convert.FromBase64String(sb.ToString());
byte[] overlayPack = new byte[1 << 18];
Format5.DecodeInto(format80Data, overlayPack, 80);
sb.Clear();
foreach (KeyValuePair <string, string> entry in overlayDataSection.Entries)
{
sb.Append(entry.Value);
}
format80Data = Convert.FromBase64String(sb.ToString());
byte[] overlayDataPack = new byte[1 << 18];
Format5.DecodeInto(format80Data, overlayDataPack, 80);
foreach (Tuple <int, int> cellCoordinate in coordList)
{
int location = cellCoordinate.Item1 + 512 * cellCoordinate.Item2;
byte overlayIndex = overlayPack[location];
if (overlayIndex != 0xFF)
{
overlays.Add(new Overlay(overlayIndex, (int)overlayDataPack[location], cellCoordinate.Item1, cellCoordinate.Item2));
}
}
}
}
private void InitializeTiles()
{
MapSection section = GetSection("IsoMapPack5");
if (section != null)
{
tiles = new List <Tile>();
StringBuilder sb = new StringBuilder();
foreach (KeyValuePair <string, string> entry in section.Entries)
{
sb.Append(entry.Value);
}
byte[] lzoData = Convert.FromBase64String(sb.ToString());
int cells = (MapWidth * 2 - 1) * MapHeight;
int lzoPackSize = cells * 11 + 4; // last 4 bytes used for termination
byte[] isoMapPack = new byte[lzoPackSize];
int j = 0;
for (int i = 0; i < cells; i++)
{
isoMapPack[j] = 0x88;
isoMapPack[j + 1] = 0x40;
isoMapPack[j + 2] = 0x88;
isoMapPack[j + 3] = 0x40;
j += 11;
}
Format5.DecodeInto(lzoData, isoMapPack);
foreach (Tuple <int, int> cellCoordinate in coordList)
{
tiles.Add(new Tile(0, 0, 0, 0, cellCoordinate.Item1, cellCoordinate.Item2));
}
MemoryFile mf = new MemoryFile(isoMapPack);
for (int i = 0; i < cells; i++)
{
int rx = (int)mf.ReadUInt16();
int ry = (int)mf.ReadUInt16();
int tileIndex = mf.ReadInt32();
byte subIndex = mf.ReadByte();
byte heightLevel = mf.ReadByte();
byte iceGrowth = mf.ReadByte();
if (tileIndex >= 65535)
{
tileIndex = 0; // Tile 0xFFFF used as empty/clear
}
if (rx < 512 && ry < 512)
{
int index = tiles.FindIndex(tile => tile.MapX == rx && tile.MapY == ry);
if (index >= 0)
{
tiles[index].TileIndex = tileIndex;
tiles[index].SubIndex = subIndex;
tiles[index].Level = heightLevel;
tiles[index].IceGrowth = iceGrowth;
}
}
}
}
}
/// <summary>Reads the tiles. </summary>
private void ReadTiles()
{
var mapSection = GetSection("IsoMapPack5");
byte[] lzoData = Convert.FromBase64String(mapSection.ConcatenatedValues());
int cells = (FullSize.Width * 2 - 1) * FullSize.Height;
int lzoPackSize = cells * 11 + 4; // last 4 bytes contains a lzo pack header saying no more data is left
var isoMapPack = new byte[lzoPackSize];
// In case, IsoMapPack5 contains less entries than the number of cells, fill up any number greater
// than 511 and filter later.
int j = 0;
for (int i = 0; i < cells; i++)
{
isoMapPack[j] = 0x88;
isoMapPack[j + 1] = 0x40;
isoMapPack[j + 2] = 0x88;
isoMapPack[j + 3] = 0x40;
j += 11;
}
Format5.DecodeInto(lzoData, isoMapPack);
// Fill level 0 clear tiles for all array values
for (ushort y = 0; y < FullSize.Height; y++)
{
for (ushort x = 0; x <= FullSize.Width * 2 - 2; x++)
{
ushort dx = (ushort)(x);
ushort dy = (ushort)(y * 2 + x % 2);
ushort rx = (ushort)((dx + dy) / 2 + 1);
ushort ry = (ushort)(dy - rx + FullSize.Width + 1);
Tiles[x, y] = new IsoTile(dx, dy, rx, ry, 0, 0, 0, 0);
}
}
// Overwrite with actual entries found in IsoMapPack5
var mf = new MemoryFile(isoMapPack);
int numtiles = 0;
for (int i = 0; i < cells; i++)
{
ushort rx = mf.ReadUInt16();
ushort ry = mf.ReadUInt16();
int tilenum = mf.ReadInt32();
byte subtile = mf.ReadByte();
byte z = mf.ReadByte();
byte icegrowth = mf.ReadByte();
if (tilenum >= 65535)
{
tilenum = 0; // Tile 0xFFFF used as empty/clear
}
if (rx <= 511 && ry <= 511)
{
int dx = rx - ry + FullSize.Width - 1;
int dy = rx + ry - FullSize.Width - 1;
numtiles++;
if (dx >= 0 && dx < 2 * Tiles.Width && dy >= 0 && dy < 2 * Tiles.Height)
{
var tile = new IsoTile((ushort)dx, (ushort)dy, rx, ry, z, tilenum, subtile, icegrowth);
Tiles[(ushort)dx, (ushort)dy / 2] = tile;
}
}
}
Logger.Debug("Read {0} tiles", numtiles);
}