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Added FSO.Files for use with the API server

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Don't ask me. FreeSO is the prime example of dependency hell.
This commit is contained in:
Tony Bark 2024-05-01 04:38:12 -04:00
parent 4b5e584eeb
commit 8fec258215
104 changed files with 14653 additions and 163 deletions
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124
server/tso.files/Formats/IFF/Chunks/SPR2FrameEncoder.cs Executable file
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using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
using System.IO;
using FSO.Files.Utils;
namespace FSO.Files.Formats.IFF.Chunks
{
public static class SPR2FrameEncoder
{
public delegate Color[] QuantizerFunction(SPR2Frame frame, out byte[] bytes);
public static QuantizerFunction QuantizeFrame;
public static void WriteFrame(SPR2Frame frame, IoWriter output)
{
var bytes = frame.PalData;
var col = frame.PixelData;
var zs = frame.ZBufferData;
int index = 0;
int blankLines = 0;
for (int y=0; y<frame.Height; y++)
{
byte lastCmd = 0;
List<byte> dataBuf = new List<byte>();
int rlecount = 0;
bool anySolid = false;
var scanStream = new MemoryStream();
var scanOut = IoWriter.FromStream(scanStream, ByteOrder.LITTLE_ENDIAN);
for (int x=0; x<frame.Width; x++)
{
byte plt = bytes[index];
byte a = col[index].A;
byte z = zs[index];
var cmd = getCmd(plt, a, z);
if (x == 0 || cmd != lastCmd)
{
if (x != 0)
{
//write a command to write the last sequence of pixels
scanOut.WriteUInt16((ushort)(((int)lastCmd<<13)|rlecount));
if ((dataBuf.Count % 2) != 0) dataBuf.Add(0);
scanOut.WriteBytes(dataBuf.ToArray());
dataBuf.Clear();
}
lastCmd = cmd;
rlecount = 0;
}
switch (cmd)
{
case 0x1:
case 0x2:
dataBuf.Add(z);
dataBuf.Add(plt);
if (cmd == 0x2) dataBuf.Add((byte)Math.Ceiling(a/ 8.2258064516129032258064516129032));
anySolid = true;
break;
case 0x6:
dataBuf.Add(plt);
anySolid = true;
break;
default:
break;
}
rlecount++;
index++;
}
if (anySolid)
{
//write a command to write the last sequence of pixels
scanOut.WriteUInt16((ushort)(((int)lastCmd << 13) | rlecount));
if ((dataBuf.Count % 2) != 0) dataBuf.Add(0);
scanOut.WriteBytes(dataBuf.ToArray());
dataBuf.Clear();
}
var scanData = scanStream.ToArray();
if (scanData.Length == 0)
blankLines++; //line is transparent
else
{
if (blankLines > 0)
{
//add transparent lines before our new command
output.WriteUInt16((ushort)((0x4<<13) | blankLines));
blankLines = 0;
}
output.WriteUInt16((ushort)(scanData.Length+2));
output.WriteBytes(scanData);
}
}
if (blankLines > 0)
{
//add transparent lines before our new command
output.WriteUInt16((ushort)((0x4 << 13) | blankLines));
blankLines = 0;
}
output.WriteUInt16((ushort)(0x5<<13));
return;
}
private static byte getCmd(byte col, byte a, byte z)
{
if (a == 0) return 0x03; //transparent fill
else if (a < 255) return 0x02; // col,a,z
else if (z > 0) return 0x01; // col,z
else return 0x06; // col
}
}
}