public Texture2D ReadTexture(BinaryReader reader, TEXDescriptor desc, string saveFilePath, string textureName)
{
// Verify if index is valid (some entries can be nulled out)
// We check for 0 specifically because garbage can be store in the
// first few entries of the file.
// TPL can have null entries so this is actually correct to the format
if (desc.isNullEntry != 0)
{
return(null);
}
// We use Try as GxTextureFormatCodec.GetCodec() can return an error if the type is invalid
try
{
GxTextureFormatCodec codec = GxTextureFormatCodec.GetCodec((GxTextureFormat)desc.format);
reader.BaseStream.Position = desc.dataPtr;
byte[] texRaw = reader.GetBytes(codec.CalcTextureSize(desc.width, desc.height));
byte[] texRGBA = new byte[4 * desc.width * desc.height]; // RGBA (4 bytes) * w * h
codec.DecodeTexture(texRGBA, 0, desc.width, desc.height, desc.width * 4, texRaw, 0, null, 0);
// Reconstruct Texture using Unity's format
Texture2D texture = new Texture2D(desc.width, desc.height);
for (int y = 0; y < desc.height; y++)
{
for (int x = 0; x < desc.width; x++)
{
// Invert Y because LibGXTexture returns array upside-down?
// ei 'x, (desc.width - y)' instead of 'x, y'
texture.SetPixel(x, (desc.width - y), new Color32(
texRGBA[(y * desc.width + x) * 4 + 0],
texRGBA[(y * desc.width + x) * 4 + 1],
texRGBA[(y * desc.width + x) * 4 + 2],
texRGBA[(y * desc.width + x) * 4 + 3]));
}
}
string assetPath = string.Format("{0}/tex_{1}.png", saveFilePath, textureName).PathToUnityPath();
byte[] imageBytes = texture.EncodeToPNG();
DestroyImmediate(texture);
using (BinaryWriter writer = new BinaryWriter(File.Create(assetPath, imageBytes.Length)))
{
writer.Write(imageBytes);
}
AssetDatabase.ImportAsset(assetPath, ImportAssetOptions.ForceUpdate);
AssetDatabase.Refresh(ImportAssetOptions.Default);
Texture2D tex = (Texture2D)AssetDatabase.LoadAssetAtPath(assetPath, typeof(Texture2D));
return(tex);
}
catch
{
Debug.LogErrorFormat("GxTextureFormatCodec.GetCodec() failed to find format [0x{0}]", desc.format.ToString("X2"));
return(null);
}
}
public bool ReadTextureFromTPL(BinaryReader reader, int index, out Texture2D texture, string name, bool saveToDisk)
{
// If index is invalid
if (index > numDescriptors)
{
throw new System.IndexOutOfRangeException(string.Format("Index must be less than or equal to {0}!", numDescriptors));
}
else if (index < 0)
{
throw new System.IndexOutOfRangeException("Index must be greater than 0!");
}
// Load Texture Descriptor at index
TEXDescriptor desc = descriptorArray[index];
// Verify if index is valid (some entries can be nulled out)
// We check for 0 specifically because garbage can be store in the
// first few entries of the file.
if (desc.isNullEntry != 0)
{
texture = null;
return(false);
}
// We use Try as GxTextureFormatCodec.GetCodec() can return an error if the type is invalid
try
{
GxTextureFormatCodec codec = GxTextureFormatCodec.GetCodec((GxTextureFormat)desc.format);
reader.BaseStream.Position = desc.dataPtr;
byte[] texRaw = reader.GetBytes(codec.CalcTextureSize(desc.width, desc.height));
byte[] texRGBA = new byte[4 * desc.width * desc.height]; // RGBA (4 bytes) * w * h
codec.DecodeTexture(texRGBA, 0, desc.width, desc.height, desc.width * 4, texRaw, 0, null, 0);
// Reconstruct Texture using Unity's format
texture = new Texture2D(desc.width, desc.height);
for (int y = 0; y < desc.height; y++)
{
for (int x = 0; x < desc.width; x++)
{
// Invert Y because LibGXTexture return array upside-down
// ei 'x, (desc.width - y)' instead of 'x, y'
texture.SetPixel(x, (desc.width - y), new Color32(
texRGBA[(y * desc.width + x) * 4 + 0],
texRGBA[(y * desc.width + x) * 4 + 1],
texRGBA[(y * desc.width + x) * 4 + 2],
texRGBA[(y * desc.width + x) * 4 + 3]));
}
}
if (saveToDisk)
{
Debug.LogFormat("Saved {0} to path {1}", name, PersistantDataPath(""));
SaveBytes(string.Format("{0}.png", name), texture.EncodeToPNG());
}
return(true);
}
catch
{
Debug.LogErrorFormat("GxTextureFormatCodec.GetCodec() failed to find format [{0}]", desc.format.ToString("X"));
texture = null;
return(false);
}
}