private void animationsList_SelectedIndexChanged(object sender, EventArgs e)
{
if (animationTimer != null)
{
StopAnimation();
}
object item = animationsList.SelectedItem;
if (item is TkSpriteAnimationClip anim)
{
framesList.Items.Clear();
foreach (TkSpriteFrame frame in anim.frames)
{
if (frame.spriteId < frame.collection.sprites.Count)
{
framesList.Items.Add(frame.collection.sprites[frame.spriteId]);
}
else
{
framesList.Items.Add("[nonexistant sprite]");
}
}
frameSlider.Minimum = 0;
frameSlider.Maximum = anim.frames.Count - 1;
frameSlider.Enabled = true;
frameInfo.Text = $"{anim.name} at {anim.fps} fps";
activeAnimation = anim;
}
else
{
object colItem = spriteCollectionsList.SelectedItem;
if (colItem is TkSpriteCollection col)
{
if (col.baseTexture == null)
{
col.baseTexture = GetTexture(col.textureExts[0]);
}
List <TkSpriteAnimationClip> colAnis = animationClips.Where(a => a.parent.parents.Contains(col)).ToList();
framesList.Items.Clear();
framesList.Items.AddRange(col.sprites.OrderBy(s => s.name).ToArray());
pictureBox.Image = col.baseTexture;
}
frameSlider.Enabled = false;
frameInfo.Text = "nothing playing";
activeAnimation = null;
}
activeFrame = 0;
if (framesList.Items.Count > 0)
{
framesList.SelectedIndex = 0;
}
if (frameSlider.Maximum > 0)
{
frameSlider.Value = 0;
}
}
private void GetTk2dSprites(AssetsFileInstance inst)
{
collections = new List <TkSpriteCollection>();
animations = new List <TkSpriteAnimation>();
animationClips = new List <TkSpriteAnimationClip>();
List <TkSpriteFrame> sprFrames = new List <TkSpriteFrame>();
string managedPath = Path.Combine(Path.GetDirectoryName(inst.path), "Managed");
Dictionary <AssetID, TkSpriteCollection> collectionLookup = new Dictionary <AssetID, TkSpriteCollection>();
int tk2dSCid = -1;
int tk2dSAid = -1;
foreach (AssetFileInfoEx mbInf in inst.table.GetAssetsOfType(0x72))
{
string scriptName = null;
ushort scriptIndex = AssetHelper.GetScriptIndex(inst.file, mbInf);
if (tk2dSCid != -1 && scriptIndex == tk2dSCid)
{
scriptName = "tk2dSpriteCollectionData";
}
else if (tk2dSAid != -1 && scriptIndex == tk2dSAid)
{
scriptName = "tk2dSpriteAnimation";
}
if (tk2dSCid == -1 || tk2dSAid == -1) //still looking for script ids
{
AssetTypeValueField mbBase = am.GetATI(inst.file, mbInf).GetBaseField();
AssetTypeValueField scBase = am.GetExtAsset(inst, mbBase.Get("m_Script")).instance.GetBaseField();
scriptName = scBase.Get("m_Name").GetValue().AsString();
if (scriptName == "tk2dSpriteCollectionData")
{
tk2dSCid = scriptIndex;
}
else if (scriptName == "tk2dSpriteAnimation")
{
tk2dSAid = scriptIndex;
}
else
{
continue; //nope, nobody cares
}
}
if (scriptName == null)
{
continue;
}
AssetTypeValueField mbSerialBase = am.GetMonoBaseFieldCached(inst, mbInf, managedPath);
if (scriptName == "tk2dSpriteCollectionData")
{
AssetTypeValueField textures = mbSerialBase.Get("textures");
List <AssetExternal> textureExts = new List <AssetExternal>();
List <int> textureWidths = new List <int>();
List <int> textureHeights = new List <int>();
for (int i = 0; i < textures.childrenCount; i++)
{
AssetExternal textureExt = am.GetExtAsset(inst, mbSerialBase.Get("textures")[i], true);
if (textureExt.info.curFileSize > 100000)
{
//bad news, unity probably stored the entire image into an array which is gonna
//take up too much memory when we decode it, so we'll change the data to a byte array
ClassDatabaseType textureType = AssetHelper.FindAssetClassByID(am.classFile, textureExt.info.curFileType);
AssetTypeTemplateField textureTemp = new AssetTypeTemplateField();
textureTemp.FromClassDatabase(am.classFile, textureType, 0);
AssetTypeTemplateField image_data = textureTemp.children[textureTemp.childrenCount - 1];
image_data.valueType = EnumValueTypes.ByteArray; //convert array to bytearray, much better
AssetTypeInstance textureTypeInstance = new AssetTypeInstance(new[] { textureTemp }, inst.file.reader, textureExt.info.absoluteFilePos);
AssetTypeValueField textureBase = textureTypeInstance.GetBaseField();
textureExt.instance = textureTypeInstance;
textureExts.Add(textureExt);
textureWidths.Add(textureBase.Get("m_Width").GetValue().AsInt());
textureHeights.Add(textureBase.Get("m_Height").GetValue().AsInt());
}
else
{
textureExt = am.GetExtAsset(inst, mbSerialBase.Get("textures")[i]);
AssetTypeValueField textureBase = textureExt.instance.GetBaseField();
textureExts.Add(textureExt);
textureWidths.Add(textureBase.Get("m_Width").GetValue().AsInt());
textureHeights.Add(textureBase.Get("m_Height").GetValue().AsInt());
}
}
TkSpriteCollection collection = new TkSpriteCollection()
{
name = mbSerialBase.Get("spriteCollectionName").GetValue().AsString(),
version = mbSerialBase.Get("version").GetValue().AsInt(),
baseTexture = null, //do later
textures = new Dictionary <int, Bitmap>(), //same
textureExts = textureExts,
sprites = new List <TkSpriteDefinition>()
};
collectionLookup[new AssetID(inst.name, mbInf.index)] = collection;
AssetTypeValueField spriteDefinitions = mbSerialBase.Get("spriteDefinitions");
foreach (AssetTypeValueField def in spriteDefinitions.children)
{
bool flipped = def.Get("flipped").GetValue().AsInt() == 1;
int materialId = def.Get("materialId").GetValue().AsInt();
int textureWidth = textureWidths[materialId];
int textureHeight = textureHeights[materialId];
double uxn = double.MaxValue;
double uxp = 0;
double uyn = double.MaxValue;
double uyp = 0;
double pxn = double.MaxValue;
double pyn = double.MaxValue;
AssetTypeValueField positions = def.Get("positions");
AssetTypeValueField uvs = def.Get("uvs");
for (int i = 0; i < 4; i++)
{
AssetTypeValueField pos = positions[i];
AssetTypeValueField uv = uvs[i];
double posX = pos.Get("x").GetValue().AsFloat();
double posY = pos.Get("y").GetValue().AsFloat();
double uvX = Math.Round(uv.Get("x").GetValue().AsFloat() * textureWidth);
double uvY = textureHeight - Math.Round(uv.Get("y").GetValue().AsFloat() * textureHeight);
if (posX < pxn)
{
pxn = posX;
}
if (posY < pyn)
{
pyn = posY;
}
if (uvX < uxn)
{
uxn = uvX;
}
if (uvX > uxp)
{
uxp = uvX;
}
if (uvY < uyn)
{
uyn = uvY;
}
if (uvY > uyp)
{
uyp = uvY;
}
}
int spriteX = (int)uxn;
int spriteY = (int)uyn;
int spriteWidth = (int)(uxp - uxn);
int spriteHeight = (int)(uyp - uyn);
AssetTypeValueField boundsData = def.Get("boundsData");
AssetTypeValueField untrimmedBoundsData = def.Get("untrimmedBoundsData");
AssetTypeValueField texelSize = def.Get("texelSize");
float texelX = texelSize.Get("x").GetValue().AsFloat();
float texelY = texelSize.Get("y").GetValue().AsFloat();
float realX = ((float)pxn) / texelX;
float realY = -((flipped ? spriteWidth : spriteHeight) + ((float)pyn) / texelY);
TkSpriteDefinition sprite = new TkSpriteDefinition()
{
parent = collection,
name = def.Get("name").GetValue().AsString(),
x = spriteX,
y = spriteY,
width = spriteWidth,
height = spriteHeight,
xOff = realX,
yOff = realY,
materialId = materialId,
fullWidth = untrimmedBoundsData[1].Get("x").GetValue().AsFloat() / texelX,
fullHeight = untrimmedBoundsData[1].Get("y").GetValue().AsFloat() / texelY,
flipped = flipped
};
collection.sprites.Add(sprite);
}
collections.Add(collection);
}
else if (scriptName == "tk2dSpriteAnimation")
{
AssetFileInfoEx gameObjectInfo = inst.table.GetAssetInfo(mbSerialBase.Get("m_GameObject").Get("m_PathID").GetValue().AsInt64());
TkSpriteAnimation animation = new TkSpriteAnimation()
{
parents = new List <TkSpriteCollection>(), //do later
parentIds = new List <AssetID>(),
gameObjectName = AssetHelper.GetAssetNameFast(inst.file, am.classFile, gameObjectInfo),
clips = new List <TkSpriteAnimationClip>()
};
AssetTypeValueField clips = mbSerialBase.Get("clips");
foreach (AssetTypeValueField clip in clips.children)
{
TkSpriteAnimationClip aniClip = new TkSpriteAnimationClip()
{
parent = animation,
name = clip.Get("name").GetValue().AsString(),
fps = clip.Get("fps").GetValue().AsFloat(),
loopStart = clip.Get("loopStart").GetValue().AsInt(),
wrapMode = (WrapMode)clip.Get("wrapMode").GetValue().AsInt(),
frames = new List <TkSpriteFrame>()
};
animation.clips.Add(aniClip);
animationClips.Add(aniClip);
AssetTypeValueField frames = clip.Get("frames");
foreach (AssetTypeValueField frame in frames.children)
{
AssetExternal collectionExt = am.GetExtAsset(inst, frame.Get("spriteCollection"));
AssetID collectionId = new AssetID(collectionExt.file.name, collectionExt.info.index);
if (!animation.parentIds.Contains(collectionId))
{
animation.parentIds.Add(collectionId);
}
TkSpriteFrame sprFrame = new TkSpriteFrame()
{
collection = null, //do later
collectionId = collectionId,
spriteId = frame.Get("spriteId").GetValue().AsInt()
};
sprFrames.Add(sprFrame);
aniClip.frames.Add(sprFrame);
}
}
animations.Add(animation);
}
}
foreach (TkSpriteAnimation animation in animations)
{
foreach (AssetID parentId in animation.parentIds)
{
if (collectionLookup.ContainsKey(parentId))
{
animation.parents.Add(collectionLookup[parentId]);
}
}
}
foreach (TkSpriteFrame frame in sprFrames)
{
if (collectionLookup.ContainsKey(frame.collectionId))
{
frame.collection = collectionLookup[frame.collectionId];
}
}
}