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//#define TEXTURE_FEATURE
using System.Text;
using System.Numerics;
using SharpPluginLoader.Core;
using SharpPluginLoader.Core.Memory;
using SharpPluginLoader.Core.Rendering;
namespace WorldTuningTool
{
public class WorldLUT
{
private const string lutsPath = "nativePC/plugins/CSharp/LUT";
public WorldLUT() { }
private string[] lutList = [];
public string[] GetLUTs()
{
return lutList;
}
public void ReloadLUTs()
{
if (Directory.Exists(lutsPath))
{
lutList = Directory.GetFiles(lutsPath);
}
}
public static nint ProbeD3DResource(nint lightingObject)
{
nint lutTexture = MemoryUtil.Read<nint>(lightingObject + 0x1C0);
nint d3dResource = 0x0;
if (lutTexture != 0x0)
{
if (Renderer.IsDirectX12)
{
d3dResource = MemoryUtil.Read<nint>(lutTexture + 0x10);
}
else
{
d3dResource = MemoryUtil.Read<nint>(lutTexture + 0x60);
if (d3dResource != 0x0)
{
d3dResource = MemoryUtil.Read<nint>(d3dResource + 0x18);
}
}
}
return d3dResource;
}
// https://github.com/AsteriskAmpersand/CrappyLUTStudio--CLUTS-/blob/5af10daaa5f295b106cc5db09530a6fe5a4320d4/LUT.py#L35
public byte[]? parseWorldLUT(BinaryReader reader)
{
byte[] signature = reader.ReadBytes(4);
if (!(signature[0] == 0x54 && signature[1] == 0x45 &&
(signature[2] == 0x58 && signature[3] == 0x0)))
{
return null;
}
ulong version = reader.ReadUInt64();
uint datablock = reader.ReadUInt32();
uint format = reader.ReadUInt32();
uint mipCount = reader.ReadUInt32();
uint width = reader.ReadUInt32();
uint height = reader.ReadUInt32();
uint mipListCount = reader.ReadUInt32();
uint typeData = reader.ReadUInt32();
uint depth = reader.ReadUInt32();
byte[] NULL0 = reader.ReadBytes(12);
int NEG0 = reader.ReadInt32();
byte[] NULL1 = reader.ReadBytes(8);
int Special = reader.ReadInt32();
byte[] NULL2 = reader.ReadBytes(16);
byte[] NEG1 = reader.ReadBytes(32);
byte[] flags = reader.ReadBytes(32);
byte[] NULLX = reader.ReadBytes(32);
reader.BaseStream.Position = (long)reader.ReadUInt64();
if (!(width == 32 && height == 32 && depth == 32))
{
return null;
}
return reader.ReadBytes((int)(width * height * depth * 8));
}
// https://drive.google.com/file/d/143Eh08ZYncCAMwJ1q4gWxVOqR_OSWYvs/view
// When does DOMAIN_MIN/MAX apply?
public byte[]? parseCubeLUT(StreamReader reader)
{
string? line;
Vector3[,,]? parsed = null;
int dim = 0, last = 0;
int x = 0, y = 0, z = 0;
while ((line = reader.ReadLine()) != null)
{
if (line.StartsWith("LUT_3D_SIZE"))
{
try
{
dim = Convert.ToInt32(line.Split(' ').Last());
}
catch (FormatException)
{
return null;
}
catch (OverflowException)
{
return null;
}
if (dim != 32)
{
return null;
}
parsed = new Vector3[dim,dim,dim];
last = dim - 1;
while ((line = reader.ReadLine()) != null)
{
if (line == "") continue;
if (line[0] == '0' || line[0] == '1')
{
break;
}
}
if (line == null)
{
break;
}
}
if (parsed != null)
{
try
{
parsed[x,y,z] = Plugin.StringToVector3(line, ' ');
}
catch (FormatException)
{
return null;
}
catch (OverflowException)
{
return null;
}
if (x == last)
{
if (y == last)
{
z++;
y = 0;
}
else
{
y++;
}
x = 0;
}
else
{
x++;
}
}
}
if (parsed == null)
{
return null;
}
const int lutDataSize = 32 * 32 * 32 * 8;
byte[] data = new byte[lutDataSize], bytes;
float scale = MathF.Pow(2, 14) - 1;
int idx = 0;
for (z = 0; z < 32; z++)
{
for (y = 0; y < 32; y++)
{
for (x = 0; x < 32; x++)
{
Vector3 v = parsed[x,y,z];
ushort normX = (ushort)Math.Round(v.X * scale);
ushort normY = (ushort)Math.Round(v.Y * scale);
ushort normZ = (ushort)Math.Round(v.Z * scale);
bytes = BitConverter.GetBytes(normX);
data[idx] = bytes[0];
data[idx + 1] = bytes[1];
bytes = BitConverter.GetBytes(normY);
data[idx + 2] = bytes[0];
data[idx + 3] = bytes[1];
bytes = BitConverter.GetBytes(normZ);
data[idx + 4] = bytes[0];
data[idx + 5] = bytes[1];
bytes = BitConverter.GetBytes(0x2B88); // Alpha constant.
data[idx + 6] = bytes[0];
data[idx + 7] = bytes[1];
idx += 8;
}
}
}
return data;
}
public unsafe bool OverwriteFromFile(nint resource, string path)
{
using (FileStream stream = File.Open(path, FileMode.Open))
{
byte[]? data = null;
string ext = path.Split('.').Last().ToLower();
if (ext == "tex")
{
using (BinaryReader reader = new BinaryReader(stream, Encoding.ASCII, false))
{
data = parseWorldLUT(reader);
}
}
else if (ext == "cube")
{
using (StreamReader reader = new StreamReader(stream))
{
data = parseCubeLUT(reader);
}
}
if (data == null)
{
return false;
}
fixed (byte *dataPointer = (byte[])data)
{
#if TEXTURE_FEATURE
// DXGI_FORMAT_R16G16B16A16_FLOAT = 10
Renderer.ReplaceTexture(resource, dataPointer, 10, 32, 32, 32);
#endif
}
return true;
}
}
}
}
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