//Thanks to Dimy for this method. It's nasty but it gets textures.
//The game uses 100s of varied presets so we should try a work around for undefined presets.
static void SetMaterialsHacky(Stream materialStream, Stream lookupStream, List <ModelChunk.MeshInfo> meshes)
{
List <uint[]> materialPointers = GetLookupPointers(meshes, lookupStream);
List <uint> globalPointers = new List <uint>();
foreach (var pointerList in materialPointers.OrderBy(x => x[0]))
{
for (int i = 0; i < pointerList.Length; i++)
{
if (pointerList[i] != uint.MaxValue && pointerList[i] != 0)
{
globalPointers.Add(pointerList[i]);
}
}
}
//Get lookup pointers
using (var reader = new FileReader(materialStream, true))
{
for (int i = 0; i < meshes.Count; i++)
{
var mat = new ModelChunk.MaterialData();
meshes[i].Material = mat;
uint[] pointers = materialPointers[i];
uint hash = meshes[i].MeshHeader.MaterialHash;
string materialPreset = Hashing.CreateHashString(hash);
List <uint> matPointers = new List <uint>();
for (int j = 0; j < pointers.Length; j++)
{
if (pointers[j] != uint.MaxValue)
{
matPointers.Add(pointers[j]);
break;
}
}
var matInfo = new MaterialInfo();
if (!MaterialPresetInfos.ContainsKey(materialPreset))
{
MaterialPresetInfos.Add(materialPreset, matInfo);
}
var refList = pointers.ToList();
for (int j = 0; j < matPointers.Count; j++)
{
int pointerIndex = refList.IndexOf(matPointers[j]);
if (matPointers[j] % 448 == 0 || globalPointers.Contains(matPointers[j] + 448))
{
reader.SeekBegin(matPointers[j]);
reader.ReadBytes(12);
uint texhash = reader.ReadUInt32();
matInfo.LookupTexPointer = pointerIndex;
if (texhash == 0x81800000)
{
reader.Seek(-8);
texhash = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.DIFFUSE, (uint)reader.Position - matPointers[j] - 16);
mat.DiffuseHash = texhash;
}
reader.ReadBytes(4);
uint texhash2 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash2)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.NORMAL, (uint)reader.Position - matPointers[j] - 16);
mat.NormalMapHash = texhash2;
}
}
else
{
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.NORMAL, (uint)reader.Position - matPointers[j] - 16);
mat.NormalMapHash = texhash;
}
reader.ReadBytes(8);
reader.ReadBytes(0xC);
uint texhash2 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash2)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.DIFFUSE, (uint)reader.Position - matPointers[j] - 16);
mat.DiffuseHash = texhash2;
}
}
}
else if (matPointers[j] % 192 == 0 || globalPointers.Contains(matPointers[j] + 192))
{
reader.SeekBegin(matPointers[j]);
reader.ReadBytes(8);
uint texhash = reader.ReadUInt32();
uint a = reader.ReadUInt32();
Console.WriteLine($"{materialPreset} {pointerIndex}");
if (texhash == 0x81800000)
{
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.NORMAL, (uint)reader.Position - matPointers[j] - 12);
mat.NormalMapHash = texhash;
}
reader.ReadBytes(4);
reader.ReadBytes(0xC);
uint texhash2 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash2)))
{
Console.WriteLine($"DIFFUSE {reader.Position - matPointers[j] - 12}");
mat.DiffuseHash = texhash2;
}
}
else
{
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.DIFFUSE, (uint)reader.Position - matPointers[j] - 12);
mat.DiffuseHash = texhash;
}
reader.ReadBytes(4);
uint texhash2 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash2)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.NORMAL, (uint)reader.Position - matPointers[j] - 12);
mat.NormalMapHash = texhash2;
}
}
}
else
{
reader.SeekBegin(matPointers[j]);
uint a = 0;
while (a != 0x81800000 && a != 0x01800000 && reader.Position < reader.BaseStream.Length - 4)
{
a = reader.ReadUInt32();
}
if (a == 0x81800000)
{
Console.WriteLine($"{materialPreset} {pointerIndex}");
reader.Seek(-8);
uint hash1 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(hash1)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.DIFFUSE, (uint)reader.Position - matPointers[j] - 4);
mat.DiffuseHash = hash1;
}
reader.ReadBytes(8);
uint texhash2 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash2)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.NORMAL, (uint)reader.Position - matPointers[j] - 4);
mat.NormalMapHash = texhash2;
}
}
else if (a == 0x01800000)
{
reader.Seek(-8);
reader.ReadBytes(0x18);
uint hash1 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(hash1)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.DIFFUSE, (uint)reader.Position - matPointers[j] - 4);
mat.DiffuseHash = hash1;
}
reader.ReadBytes(8);
uint texhash2 = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(texhash2)))
{
matInfo.textureSlots.Add(TEXTURE_SLOT.NORMAL, (uint)reader.Position - matPointers[j] - 4);
mat.NormalMapHash = texhash2;
}
}
}
}
if (MaterialPresetInfos[materialPreset].textureSlots.Count < matInfo.textureSlots.Count)
{
MaterialPresetInfos[materialPreset] = matInfo;
}
}
}
}
public static void ParseMaterials(Stream materialStream, Stream lookupStream, List <ModelChunk.MeshInfo> meshes)
{
SetMaterialsHacky(materialStream, lookupStream, meshes);
foreach (var preset in MaterialPresetInfos)
{
Console.WriteLine($"preset {preset.Key} ptr {preset.Value.LookupTexPointer}");
foreach (var slot in preset.Value.textureSlots)
{
Console.WriteLine($"slot {slot.Key} {slot.Value}");
}
}
List <uint[]> materialPointers = GetLookupPointers(meshes, lookupStream);
//Get lookup pointers
using (var reader = new FileReader(materialStream, true))
{
for (int i = 0; i < meshes.Count; i++)
{
var mat = new ModelChunk.MaterialData();
meshes[i].Material = mat;
Console.WriteLine($"MESH {i}");
uint[] pointers = materialPointers[i];
uint hash = meshes[i].MeshHeader.MaterialHash;
string materialPreset = Hashing.CreateHashString(hash);
List <uint> matPointers = new List <uint>();
for (int j = 0; j < pointers.Length; j++)
{
if (pointers[j] != uint.MaxValue && pointers[j] != 0)
{
matPointers.Add(pointers[j]);
}
}
var refList = pointers.ToList();
for (int j = 0; j < matPointers.Count; j++)
{
if (j + 1 < matPointers.Count)
{
uint size = matPointers[j + 1] - matPointers[j];
reader.SeekBegin(matPointers[j]);
while (reader.Position < matPointers[j] + size)
{
uint hashCheck = reader.ReadUInt32();
if (Runtime.TextureCache.Any(x => x.Name == Hashing.CreateHashString(hashCheck)))
{
if (mat.DiffuseHash == 0)
{
mat.DiffuseHash = hashCheck;
}
Console.WriteLine($"{materialPreset} TEXTURE {hashCheck} pointer {refList.IndexOf(matPointers[j])} position {reader.Position - 4 - matPointers[j]}");
}
}
}
}
int textureSlotIndex = GetTextureSlotLookupIndex(materialPreset);
Console.WriteLine($"textureSlotIndex");
if (textureSlotIndex != -1)
{
var textureSlots = GetTextureSlotsOffset(materialPreset);
if (textureSlots.ContainsKey(TEXTURE_SLOT.DIFFUSE))
{
reader.SeekBegin(pointers[textureSlotIndex] + textureSlots[TEXTURE_SLOT.DIFFUSE]);
mat.DiffuseHash = reader.ReadUInt32();
}
if (textureSlots.ContainsKey(TEXTURE_SLOT.NORMAL))
{
reader.SeekBegin(pointers[textureSlotIndex] + textureSlots[TEXTURE_SLOT.NORMAL]);
mat.NormalMapHash = reader.ReadUInt32();
}
}
}
}
}