AssetStudio/AssetStudioGUI/Components/Arknights/AkSpriteHelper.cs
2024-04-11 22:30:42 +03:00

297 lines
13 KiB
C#

using Arknights.PortraitSpriteMono;
using AssetStudio;
using AssetStudioGUI;
using AssetStudioGUI.Properties;
using Newtonsoft.Json;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing;
using SixLabors.ImageSharp.Processing.Processors.Transforms;
using System;
using System.Collections.Generic;
using System.IO;
namespace Arknights
{
internal static class AkSpriteHelper
{
public static Texture2D TryFindAlphaTex(AssetItem assetItem, AvgSprite avgSprite, bool isAvgSprite)
{
Sprite m_Sprite = (Sprite)assetItem.Asset;
var imgType = "arts/characters";
if (m_Sprite.m_RD.alphaTexture.m_PathID == 0)
{
if (isAvgSprite)
{
if (avgSprite?.FullAlphaTexture != null)
return avgSprite.FullAlphaTexture;
imgType = "avg/characters"; //since the avg hub was not found for some reason, let's try to find alpha tex by name
}
var spriteFullName = Path.GetFileNameWithoutExtension(assetItem.Container);
foreach (var item in Studio.exportableAssets)
{
if (item.Type == ClassIDType.Texture2D)
{
if (item.Container.Contains(imgType) && item.Container.Contains($"illust_{m_Sprite.m_Name}_material") && item.Text.Contains("[alpha]"))
return (Texture2D)item.Asset;
if (item.Container.Contains(imgType) && item.Container.Contains(spriteFullName) && item.Text == $"{m_Sprite.m_Name}[alpha]")
return (Texture2D)item.Asset;
}
}
}
return null;
}
public static Image<Bgra32> AkGetImage(this Sprite m_Sprite, AvgSprite avgSprite = null, SpriteMaskMode spriteMaskMode = SpriteMaskMode.On)
{
if (m_Sprite.m_RD.texture.TryGet(out var m_Texture2D) && m_Sprite.m_RD.alphaTexture.TryGet(out var m_AlphaTexture2D) && spriteMaskMode != SpriteMaskMode.Off)
{
Image<Bgra32> tex = null;
Image<Bgra32> alphaTex = null;
if (avgSprite != null && avgSprite.IsHubParsed)
{
alphaTex = m_AlphaTexture2D.ConvertToImage(true);
if (avgSprite.IsFaceSprite)
{
var faceImage = m_Texture2D.ConvertToImage(true);
var faceAlpha = avgSprite.FaceSpriteAlphaTexture.ConvertToImage(true);
tex = avgSprite.FullTexture.ConvertToImage(true);
var facePos = tex.Width == 512 ? avgSprite.FacePos / 2 : avgSprite.FacePos; // ?
var faceSize = tex.Width == 512 ? avgSprite.FaceSize / 2 : avgSprite.FaceSize;
if (new Size(faceImage.Width, faceImage.Height) != avgSprite.FaceSize)
{
faceImage.Mutate(x => x.Resize(new ResizeOptions { Size = faceSize, Sampler = KnownResamplers.Lanczos3, Mode = ResizeMode.Stretch }));
faceAlpha.Mutate(x => x.Resize(new ResizeOptions { Size = faceSize, Sampler = KnownResamplers.Lanczos3, Mode = ResizeMode.Stretch }));
}
tex.Mutate(x => x.DrawImage(faceImage, facePos, opacity: 1f));
alphaTex.Mutate(x => x.DrawImage(faceAlpha, facePos, opacity: 1f));
}
else
{
tex = m_Texture2D.ConvertToImage(true);
}
}
else
{
if (spriteMaskMode != SpriteMaskMode.MaskOnly)
{
tex = CutImage(m_Texture2D.ConvertToImage(false), m_Sprite.m_RD.textureRect, m_Sprite.m_RD.downscaleMultiplier);
}
alphaTex = CutImage(m_AlphaTexture2D.ConvertToImage(false), m_Sprite.m_RD.textureRect, m_Sprite.m_RD.downscaleMultiplier);
}
return ImageRender(tex, alphaTex, spriteMaskMode);
}
else if (m_Sprite.m_RD.texture.TryGet(out m_Texture2D) && avgSprite != null && avgSprite.IsHubParsed)
{
if (!avgSprite.IsFaceSprite)
{
return m_Texture2D.ConvertToImage(true);
}
var faceImage = m_Texture2D.ConvertToImage(true);
var tex = avgSprite.FullTexture.ConvertToImage(true);
if (new Size(faceImage.Width, faceImage.Height) != avgSprite.FaceSize)
{
faceImage.Mutate(x => x.Resize(new ResizeOptions {Size = avgSprite.FaceSize, Sampler = KnownResamplers.Lanczos3, Mode = ResizeMode.Stretch}));
}
tex.Mutate(x => x.DrawImage(faceImage, avgSprite.FacePos, opacity: 1f));
return tex;
}
else if (m_Sprite.m_RD.texture.TryGet(out m_Texture2D))
{
return CutImage(m_Texture2D.ConvertToImage(false), m_Sprite.m_RD.textureRect, m_Sprite.m_RD.downscaleMultiplier);
}
return null;
}
public static Image<Bgra32> AkGetImage(this PortraitSprite portraitSprite, SpriteMaskMode spriteMaskMode = SpriteMaskMode.On)
{
if (portraitSprite.Texture != null && portraitSprite.AlphaTexture != null)
{
Image<Bgra32> tex = null;
Image<Bgra32> alphaTex = null;
if (spriteMaskMode != SpriteMaskMode.MaskOnly)
{
tex = CutImage(portraitSprite.Texture.ConvertToImage(false), portraitSprite.TextureRect, portraitSprite.DownscaleMultiplier, portraitSprite.Rotate);
}
if (spriteMaskMode != SpriteMaskMode.Off)
{
alphaTex = CutImage(portraitSprite.AlphaTexture.ConvertToImage(false), portraitSprite.TextureRect, portraitSprite.DownscaleMultiplier, portraitSprite.Rotate);
}
return ImageRender(tex, alphaTex, spriteMaskMode);
}
return null;
}
public static List<PortraitSprite> GeneratePortraits(AssetItem asset)
{
var portraits = new List<PortraitSprite>();
var portraitsDict = ((MonoBehaviour)asset.Asset).ToType();
if (portraitsDict == null)
{
Logger.Warning("Portraits MonoBehaviour is not readable.");
return portraits;
}
var portraitsJson = JsonConvert.SerializeObject(portraitsDict);
var portraitsData = JsonConvert.DeserializeObject<PortraitSpriteConfig>(portraitsJson);
var atlasTex = (Texture2D)Studio.exportableAssets.Find(x => x.m_PathID == portraitsData._atlas.Texture.m_PathID).Asset;
var atlasAlpha = (Texture2D)Studio.exportableAssets.Find(x => x.m_PathID == portraitsData._atlas.Alpha.m_PathID).Asset;
foreach (var portraitData in portraitsData._sprites)
{
var portraitSprite = new PortraitSprite()
{
Name = portraitData.Name,
AssetsFile = atlasTex.assetsFile,
Container = asset.Container,
Texture = atlasTex,
AlphaTexture = atlasAlpha,
TextureRect = new Rectf(portraitData.Rect.X, portraitData.Rect.Y, portraitData.Rect.W, portraitData.Rect.H),
Rotate = portraitData.Rotate,
};
portraits.Add(portraitSprite);
}
return portraits;
}
private static Image<Bgra32> ImageRender(Image<Bgra32> tex, Image<Bgra32> alpha, SpriteMaskMode maskMode)
{
switch (maskMode)
{
case SpriteMaskMode.On:
tex.ApplyRGBMask(alpha, isPreview: true);
return tex;
case SpriteMaskMode.Off:
alpha?.Dispose();
return tex;
case SpriteMaskMode.MaskOnly:
tex?.Dispose();
return alpha;
case SpriteMaskMode.Export:
tex.ApplyRGBMask(alpha);
return tex;
}
return null;
}
private static IResampler GetResampler(bool isPreview)
{
IResampler resampler;
if (isPreview)
{
resampler = KnownResamplers.NearestNeighbor;
}
else
{
switch (Settings.Default.resamplerIndex)
{
case 0:
resampler = KnownResamplers.NearestNeighbor;
break;
case 1: //Bilinear
resampler = KnownResamplers.Triangle;
break;
case 2:
resampler = KnownResamplers.Bicubic;
break;
case 3:
resampler = KnownResamplers.MitchellNetravali;
break;
case 4:
resampler = KnownResamplers.Spline;
break;
case 5:
resampler = KnownResamplers.Welch;
break;
default:
resampler = KnownResamplers.MitchellNetravali;
break;
}
}
return resampler;
}
private static void ApplyRGBMask(this Image<Bgra32> tex, Image<Bgra32> texMask, bool isPreview = false)
{
using (texMask)
{
bool resized = false;
if (tex.Width != texMask.Width || tex.Height != texMask.Height)
{
texMask.Mutate(x => x.Resize(tex.Width, tex.Height, GetResampler(isPreview)));
resized = true;
}
var invGamma = 1.0 / (1.0 + Settings.Default.alphaMaskGamma / 10.0);
if (Settings.Default.resizedOnly && !resized)
{
invGamma = 1.0;
}
tex.ProcessPixelRows(texMask, (sourceTex, targetTexMask) =>
{
for (int y = 0; y < texMask.Height; y++)
{
var texRow = sourceTex.GetRowSpan(y);
var maskRow = targetTexMask.GetRowSpan(y);
for (int x = 0; x < maskRow.Length; x++)
{
var grayscale = (maskRow[x].R + maskRow[x].G + maskRow[x].B) / 3.0;
if (invGamma != 1)
{
grayscale = 255 - Math.Pow((255 - grayscale) / 255, invGamma) * 255;
}
texRow[x].A = (byte)grayscale;
}
}
});
}
}
private static Image<Bgra32> CutImage(Image<Bgra32> originalImage, Rectf textureRect, float downscaleMultiplier, bool rotate = false)
{
if (originalImage != null)
{
if (downscaleMultiplier > 0f && downscaleMultiplier != 1f)
{
var newSize = (Size)(new Size(originalImage.Width, originalImage.Height) / downscaleMultiplier);
originalImage.Mutate(x => x.Resize(newSize, KnownResamplers.Lanczos3, compand: true));
}
var rectX = (int)Math.Floor(textureRect.x);
var rectY = (int)Math.Floor(textureRect.y);
var rectRight = (int)Math.Ceiling(textureRect.x + textureRect.width);
var rectBottom = (int)Math.Ceiling(textureRect.y + textureRect.height);
rectRight = Math.Min(rectRight, originalImage.Width);
rectBottom = Math.Min(rectBottom, originalImage.Height);
var rect = new Rectangle(rectX, rectY, rectRight - rectX, rectBottom - rectY);
var spriteImage = originalImage.Clone(x => x.Crop(rect));
originalImage.Dispose();
if (rotate)
{
spriteImage.Mutate(x => x.Rotate(RotateMode.Rotate270));
}
spriteImage.Mutate(x => x.Flip(FlipMode.Vertical));
return spriteImage;
}
return null;
}
}
}