/// <summary>
/// Gets Unity textures from Daggerfall texture with all options.
/// Returns all supported texture maps for Standard shader in one call.
/// </summary>
/// <param name="settings">Get texture settings.</param>
/// <param name="alphaTextureFormat">Alpha TextureFormat.</param>
/// <param name="nonAlphaFormat">Non-alpha TextureFormat.</param>
/// <param name="allowImport">Import texture from disk if present.</param>
/// <returns>GetTextureResults.</returns>
public GetTextureResults GetTexture2D(
GetTextureSettings settings,
SupportedAlphaTextureFormats alphaTextureFormat = SupportedAlphaTextureFormats.RGBA32,
SupportedNonAlphaTextureFormats nonAlphaFormat = SupportedNonAlphaTextureFormats.RGB24,
bool allowImport = true)
{
GetTextureResults results = new GetTextureResults();
// Check if window or auto-emissive
bool isWindow = ClimateSwaps.IsExteriorWindow(settings.archive, settings.record);
bool isEmissive = (settings.autoEmission) ? IsEmissive(settings.archive, settings.record) : false;
// Override readable flag when user has set preference in material reader
if (DaggerfallUnity.Instance.MaterialReader.ReadableTextures)
{
settings.stayReadable = true;
}
// Assign texture file
TextureFile textureFile;
if (settings.textureFile == null)
{
textureFile = new TextureFile(Path.Combine(Arena2Path, TextureFile.IndexToFileName(settings.archive)), FileUsage.UseMemory, true);
}
else
{
textureFile = settings.textureFile;
}
// Get starting DFBitmap and albedo Color32 array
DFSize sz;
DFBitmap srcBitmap = textureFile.GetDFBitmap(settings.record, settings.frame);
Color32[] albedoColors = textureFile.GetColor32(srcBitmap, settings.alphaIndex, settings.borderSize, out sz);
// Sharpen source image
if (settings.sharpen)
{
albedoColors = ImageProcessing.Sharpen(ref albedoColors, sz.Width, sz.Height);
}
// Dilate edges
if (settings.borderSize > 0 && settings.dilate && !settings.copyToOppositeBorder)
{
ImageProcessing.DilateColors(ref albedoColors, sz);
}
// Copy to opposite border
if (settings.borderSize > 0 && settings.copyToOppositeBorder)
{
ImageProcessing.WrapBorder(ref albedoColors, sz, settings.borderSize);
}
// Set albedo texture
Texture2D albedoMap = null;
if (allowImport && TextureReplacement.CustomTextureExist(settings.archive, settings.record, settings.frame))
{
// Import albedo texture
albedoMap = TextureReplacement.LoadCustomTexture(settings.archive, settings.record, settings.frame);
}
else
{
// Create albedo texture
if (settings.alphaIndex < 0)
{
albedoMap = new Texture2D(sz.Width, sz.Height, ParseTextureFormat(nonAlphaFormat), MipMaps);
}
else
{
albedoMap = new Texture2D(sz.Width, sz.Height, ParseTextureFormat(alphaTextureFormat), MipMaps);
}
albedoMap.SetPixels32(albedoColors);
albedoMap.Apply(true, !settings.stayReadable);
}
// Set normal texture
Texture2D normalMap = null;
if (allowImport && TextureReplacement.CustomNormalExist(settings.archive, settings.record, settings.frame))
{
// Always import normal if present on disk
normalMap = TextureReplacement.LoadCustomNormal(settings.archive, settings.record, settings.frame);
}
else if (settings.createNormalMap && textureFile.SolidType == TextureFile.SolidTypes.None)
{
// Create normal texture - must be ARGB32
// Normal maps are bypassed for solid-colour textures
Color32[] normalColors;
normalColors = ImageProcessing.GetBumpMap(ref albedoColors, sz.Width, sz.Height);
normalColors = ImageProcessing.ConvertBumpToNormals(ref normalColors, sz.Width, sz.Height, settings.normalStrength);
normalMap = new Texture2D(sz.Width, sz.Height, TextureFormat.ARGB32, MipMaps);
normalMap.SetPixels32(normalColors);
normalMap.Apply(true, !settings.stayReadable);
}
// Import emission map or create basic emissive texture
Texture2D emissionMap = null;
bool resultEmissive = false;
if (allowImport && TextureReplacement.CustomEmissionExist(settings.archive, settings.record, settings.frame))
{
// Always import emission if present on disk
emissionMap = TextureReplacement.LoadCustomEmission(settings.archive, settings.record, settings.frame);
resultEmissive = true;
}
else
{
if (settings.createEmissionMap || (settings.autoEmission && isEmissive) && !isWindow)
{
// Just reuse albedo map for basic colour emission
emissionMap = albedoMap;
resultEmissive = true;
}
// Windows need special handling as only glass parts are emissive
if ((settings.createEmissionMap || settings.autoEmissionForWindows) && isWindow)
{
// Create custom emission texture for glass area of windows
Color32[] emissionColors = textureFile.GetWindowColors32(srcBitmap);
emissionMap = new Texture2D(sz.Width, sz.Height, ParseTextureFormat(alphaTextureFormat), MipMaps);
emissionMap.SetPixels32(emissionColors);
emissionMap.Apply(true, !settings.stayReadable);
resultEmissive = true;
}
// Lights need special handling as this archive contains a mix of emissive and non-emissive flats
// This can cause problems with atlas packing due to mismatch between albedo and emissive texture counts
if ((settings.createEmissionMap || settings.autoEmission) && settings.archive == LightsTextureArchive)
{
// For the unlit flats we create a null-emissive black texture
if (!isEmissive)
{
Color32[] emissionColors = new Color32[sz.Width * sz.Height];
emissionMap = new Texture2D(sz.Width, sz.Height, ParseTextureFormat(alphaTextureFormat), MipMaps);
emissionMap.SetPixels32(emissionColors);
emissionMap.Apply(true, !settings.stayReadable);
resultEmissive = true;
}
}
}
// Shrink UV rect to compensate for internal border
float ru = 1f / sz.Width;
float rv = 1f / sz.Height;
results.singleRect = new Rect(
settings.borderSize * ru,
settings.borderSize * rv,
(sz.Width - settings.borderSize * 2) * ru,
(sz.Height - settings.borderSize * 2) * rv);
// Store results
results.albedoMap = albedoMap;
results.normalMap = normalMap;
results.emissionMap = emissionMap;
results.isWindow = isWindow;
results.isEmissive = resultEmissive;
results.textureFile = textureFile;
return(results);
}
