public Assets(string folder, XElement xml)
{
XML = xml;
if (XML.Element("VSwap") != null)
{
VSwap = VSwap.Load(folder, XML);
}
if (XML.Element("Maps") != null)
{
Maps = GameMap.Load(folder, XML);
}
if (XML.Element("VgaGraph") != null)
{
VgaGraph = VgaGraph.Load(folder, XML);
}
Pushwall = (ushort)(uint)XML?.Element("VSwap")?.Element("Objects")?.Element("Pushwall")?.Attribute("Number");
// Creating floor texture
uint[] palette = WarpWriterFriendlyPalette(VSwap.Palette);
ByteArrayRenderer renderer = new ByteArrayRenderer()
{
Width = 254,
Height = 128,
Color = new FlatVoxelColor()
{
Palette = palette,
},
};
renderer.IsoTile(64, 64,
palette[
WarpWriterFriendly(
(byte)(int)XML.Element("Maps").Attribute("FloorIndex")
)
]
);
Godot.Image image = new Image();
image.CreateFromData((int)renderer.Width, (int)renderer.Height, false, Image.Format.Rgba8, renderer.Bytes);
Floor = new ImageTexture();
Floor.CreateFromImage(image, 0);
FloorTileSet = new TileSet();
FloorTileSet.CreateTile(0);
FloorTileSet.TileSetTexture(0, Floor);
}
public VSwap(uint[] palette, Stream stream, ushort tileSqrt = 64)
{
Palette = palette;
if (Palette == null)
{
throw new InvalidDataException("Must load a palette before loading a VSWAP!");
}
using (BinaryReader binaryReader = new BinaryReader(stream))
{
// parse header info
NumPages = binaryReader.ReadUInt16();
SpritePage = binaryReader.ReadUInt16();
Pages = new byte[binaryReader.ReadUInt16()][]; // SoundPage
Indexes = new byte[Pages.Length][];
uint[] pageOffsets = new uint[NumPages];
uint dataStart = 0;
for (ushort i = 0; i < pageOffsets.Length; i++)
{
pageOffsets[i] = binaryReader.ReadUInt32();
if (i == 0)
{
dataStart = pageOffsets[0];
}
if ((pageOffsets[i] != 0 && pageOffsets[i] < dataStart) || pageOffsets[i] > stream.Length)
{
throw new InvalidDataException("VSWAP contains invalid page offsets.");
}
}
ushort[] pageLengths = new ushort[NumPages];
for (ushort i = 0; i < pageLengths.Length; i++)
{
pageLengths[i] = binaryReader.ReadUInt16();
}
ushort page;
// read in walls
for (page = 0; page < SpritePage; page++)
{
if (pageOffsets[page] > 0)
{
binaryReader.BaseStream.Seek(pageOffsets[page], 0);
Indexes[page] = new byte[tileSqrt * tileSqrt];
for (ushort col = 0; col < tileSqrt; col++)
{
for (ushort row = 0; row < tileSqrt; row++)
{
Indexes[page][tileSqrt * row + col] = (byte)binaryReader.ReadByte();
}
}
Pages[page] = Index2ByteArray(Indexes[page], palette);
}
}
// read in sprites
for (; page < Pages.Length; page++)
{
if (pageOffsets[page] > 0)
{
binaryReader.BaseStream.Seek(pageOffsets[page], 0);
ushort leftExtent = binaryReader.ReadUInt16(),
rightExtent = binaryReader.ReadUInt16(),
startY, endY;
Indexes[page] = new byte[tileSqrt * tileSqrt];
for (ushort i = 0; i < Indexes[page].Length; i++)
{
Indexes[page][i] = 255; // set transparent
}
long[] columnDataOffsets = new long[rightExtent - leftExtent + 1];
for (ushort i = 0; i < columnDataOffsets.Length; i++)
{
columnDataOffsets[i] = pageOffsets[page] + binaryReader.ReadUInt16();
}
long trexels = stream.Position;
for (ushort column = 0; column <= rightExtent - leftExtent; column++)
{
long commands = columnDataOffsets[column];
binaryReader.BaseStream.Seek(commands, 0);
while ((endY = binaryReader.ReadUInt16()) != 0)
{
endY >>= 1;
binaryReader.ReadUInt16(); // Not using this value for anything. Don't know why it's here!
startY = binaryReader.ReadUInt16();
startY >>= 1;
commands = stream.Position;
binaryReader.BaseStream.Seek(trexels, 0);
for (ushort row = startY; row < endY; row++)
{
Indexes[page][(row * tileSqrt - 1) + column + leftExtent - 1] = binaryReader.ReadByte();
}
trexels = stream.Position;
binaryReader.BaseStream.Seek(commands, 0);
}
}
Pages[page] = Index2ByteArray(Indexes[page], palette);
}
}
// read in digisounds
byte[] soundData = new byte[stream.Length - pageOffsets[Pages.Length]];
binaryReader.BaseStream.Seek(pageOffsets[Pages.Length], 0);
binaryReader.BaseStream.Read(soundData, 0, soundData.Length);
uint start = pageOffsets[NumPages - 1] - pageOffsets[Pages.Length];
ushort[][] soundTable;
using (MemoryStream memoryStream = new MemoryStream(soundData, (int)start, soundData.Length - (int)start))
soundTable = VgaGraph.Load16BitPairs(memoryStream);
uint numDigiSounds = 0;
while (numDigiSounds < soundTable.Length && soundTable[numDigiSounds][1] > 0)
{
numDigiSounds++;
}
DigiSounds = new byte[numDigiSounds][];
for (uint sound = 0; sound < DigiSounds.Length; sound++)
{
if (soundTable[sound][1] > 0 && pageOffsets[Pages.Length + soundTable[sound][0]] > 0)
{
DigiSounds[sound] = new byte[soundTable[sound][1]];
start = pageOffsets[Pages.Length + soundTable[sound][0]] - pageOffsets[Pages.Length];
for (uint bite = 0; bite < DigiSounds[sound].Length; bite++)
{
DigiSounds[sound][bite] = (byte)(soundData[start + bite] - 128); // Godot makes some kind of oddball conversion from the unsigned byte to a signed byte
}
}
}
}
}
