public override void Process(ImportContext ctx, Layer layer)
{
var eventFrames = new HashSet <int>();
var file = ctx.file;
for (int i = 0; i < file.frames.Count; ++i)
{
bool isEvent = file.frames[i].cels.ContainsKey(layer.index);
if (isEvent)
{
eventFrames.Add(i);
}
}
LayerParamType paramType = layer.GetParamType(1);
foreach (var frametag in file.frameTags)
{
var clip = ctx.generatedClips[frametag];
var events = new List <AnimationEvent>(clip.events);
var time = 0.0f;
for (int f = frametag.from; f <= frametag.to; ++f)
{
if (eventFrames.Contains(f))
{
var evt = new AnimationEvent {
time = time,
functionName = layer.GetParamString(0),
messageOptions = SendMessageOptions.DontRequireReceiver
};
// Debug.Log(paramType + ", " + layer.metaInfo.ParamCount);
if (paramType == LayerParamType.String)
{
evt.stringParameter = layer.GetParamString(1);
}
else if (paramType == LayerParamType.Number)
{
var fval = layer.GetParamFloat(1);
if (fval == Math.Floor(fval))
{
evt.intParameter = (int)fval;
}
else
{
evt.floatParameter = fval;
}
}
events.Add(evt);
}
time += file.frames[f].duration * 1e-3f;
}
events.Sort((lhs, rhs) => lhs.time.CompareTo(rhs.time));
AnimationUtility.SetAnimationEvents(clip, events.ToArray());
EditorUtility.SetDirty(clip);
}
}
public static ASEFile Parse(byte[] bytes)
{
var stream = new MemoryStream(bytes);
using (var reader = new BinaryReader(stream)) {
var file = new ASEFile();
reader.ReadDWord(); // File size
_CheckMagicNumber(reader.ReadWord(), 0xA5E0);
var frameCount = reader.ReadWord();
file.width = reader.ReadWord();
file.height = reader.ReadWord();
var colorDepth = reader.ReadWord();
if (colorDepth != 32)
{
_Error("Non RGBA color mode isn't supported yet");
}
reader.ReadDWord(); // Flags
reader.ReadWord(); // Deprecated speed
_CheckMagicNumber(reader.ReadDWord(), 0);
_CheckMagicNumber(reader.ReadDWord(), 0);
reader.ReadBytes(4);
reader.ReadWord();
reader.ReadBytes(2);
reader.ReadBytes(92);
int readLayerIndex = 0;
UserDataAcceptor lastUserdataAcceptor = null;
for (int i = 0; i < frameCount; ++i)
{
var frame = new Frame();
frame.frameID = i;
reader.ReadDWord(); // frameBytes
_CheckMagicNumber(reader.ReadWord(), 0xF1FA);
var chunkCount = reader.ReadWord();
frame.duration = reader.ReadWord();
reader.ReadBytes(6);
for (int j = 0; j < chunkCount; ++j)
{
var chunkBytes = reader.ReadDWord(); // 4
var chunkType = reader.ReadWord(); // 2
switch (chunkType)
{
case CHUNK_LAYER: {
var layer = new Layer();
var flags = reader.ReadWord();
layer.visible = (flags & 0x1) != 0;
var layerType = reader.ReadWord();
reader.ReadWord(); // childLevel
reader.ReadWord();
reader.ReadWord();
layer.blendMode = (BlendMode)reader.ReadWord();
layer.opacity = reader.ReadByte() / 255.0f;
reader.ReadBytes(3);
layer.layerName = reader.ReadUTF8();
if (layerType == 0 && layer.visible && !layer.layerName.StartsWith("//"))
{
layer.index = readLayerIndex;
layer.type = layer.layerName.StartsWith("@") ? LayerType.Meta : LayerType.Content;
if (layer.type == LayerType.Meta)
{
MetaLayerParser.Parse(layer);
}
file.layers.Add(layer);
}
++readLayerIndex;
lastUserdataAcceptor = layer;
} break;
case CHUNK_CEL: {
var cel = new Cel();
cel.layerIndex = reader.ReadWord(); // 2
cel.x = reader.ReadInt16(); // 2
cel.y = reader.ReadInt16(); // 2
cel.opacity = reader.ReadByte() / 255.0f; // 1
cel.type = (CelType)reader.ReadWord(); // 2
reader.ReadBytes(7); // 7
switch (cel.type)
{
case CelType.Raw: {
cel.width = reader.ReadWord(); // 2
cel.height = reader.ReadWord(); // 2
cel.colorBuffer = ToColorBufferRGBA(reader.ReadBytes(chunkBytes - 6 - 16 - 4));
_Assert(cel.width * cel.height == cel.colorBuffer.Length, "Color buffer size incorrect");
} break;
case CelType.Linked: {
cel.linkedCel = reader.ReadWord();
} break;
case CelType.Compressed: {
cel.width = reader.ReadWord();
cel.height = reader.ReadWord();
cel.colorBuffer = ToColorBufferRGBA(
reader.ReadCompressedBytes(chunkBytes - 6 - 16 - 4));
_Assert(cel.width * cel.height == cel.colorBuffer.Length, "Color buffer size incorrect");
} break;
}
if (file.FindLayer(cel.layerIndex) != null)
{
frame.cels.Add(cel.layerIndex, cel);
}
lastUserdataAcceptor = cel;
} break;
case CHUNK_FRAME_TAGS: {
var count = reader.ReadWord();
reader.ReadBytes(8);
for (int c = 0; c < count; ++c)
{
var frameTag = new FrameTag();
frameTag.from = reader.ReadWord();
frameTag.to = reader.ReadWord();
reader.ReadByte();
reader.ReadBytes(8);
reader.ReadBytes(3);
reader.ReadByte();
frameTag.name = reader.ReadUTF8();
if (frameTag.name.StartsWith("//")) // Commented tags are ignored
{
continue;
}
var originalName = frameTag.name;
var tagIdx = frameTag.name.IndexOf('#');
var nameInvalid = false;
if (tagIdx != -1)
{
frameTag.name = frameTag.name.Substring(0, tagIdx).Trim();
var possibleProperties = originalName.Substring(tagIdx).Split(' ');
foreach (var possibleProperty in possibleProperties)
{
if (possibleProperty.Length > 1 && possibleProperty[0] == '#')
{
frameTag.properties.Add(possibleProperty.Substring(1));
}
else
{
nameInvalid = true;
}
}
}
if (nameInvalid)
{
Debug.LogWarning("Invalid name: " + originalName);
}
file.frameTags.Add(frameTag);
}
} break;
case CHUNK_USERDATA: {
var flags = reader.ReadDWord();
var hasText = (flags & 0x01) != 0;
var hasColor = (flags & 0x02) != 0;
if (hasText)
{
lastUserdataAcceptor.userData = reader.ReadUTF8();
}
if (hasColor)
{
reader.ReadBytes(4);
}
} break;
default: {
reader.ReadBytes(chunkBytes - 6);
} break;
}
}
file.frames.Add(frame);
}
// Post process: eliminate reference cels
for (int f = 0; f < file.frames.Count; ++f)
{
var frame = file.frames[f];
foreach (var pair in frame.cels)
{
var layerID = pair.Key;
var cel = pair.Value;
if (cel.type == CelType.Linked)
{
cel.type = CelType.Raw;
var src = file.frames[cel.linkedCel].cels[layerID];
cel.x = src.x;
cel.y = src.y;
cel.width = src.width;
cel.height = src.height;
cel.colorBuffer = src.colorBuffer;
cel.opacity = src.opacity;
cel.userData = src.userData;
}
}
}
return(file);
}
}
static void _Parse(Lexer lexer, Layer layer)
{
layer.actionName = _Expect(lexer, TKN_ID);
if (!_SkipSpaces(lexer))
{
return;
}
if (lexer.Token != TKN_LEFT)
{
_ErrorUnexpected(lexer, TKN_LEFT);
}
while (true)
{
if (!_SkipSpaces(lexer))
{
_ErrorEOF(lexer, TKN_RIGHT, TKN_NUMBER, TKN_STRING);
}
bool isParam = false;
if (lexer.Token == TKN_STRING)
{
var param = new LayerParam();
param.type = LayerParamType.String;
param.stringValue = lexer.TokenContents.Substring(1, lexer.TokenContents.Length - 2);
layer.parameters.Add(param);
isParam = true;
}
else if (lexer.Token == TKN_NUMBER)
{
var param = new LayerParam();
param.type = LayerParamType.Number;
param.numberValue = double.Parse(lexer.TokenContents);
layer.parameters.Add(param);
isParam = true;
}
else if (lexer.Token == TKN_RIGHT)
{
break;
}
else
{
_ErrorUnexpected(lexer, TKN_RIGHT, TKN_NUMBER, TKN_STRING);
}
if (isParam)
{
if (!_SkipSpaces(lexer))
{
_ErrorEOF(lexer, TKN_COMMA, TKN_RIGHT);
}
if (lexer.Token == TKN_RIGHT)
{
break;
}
if (lexer.Token != TKN_COMMA)
{
_ErrorUnexpected(lexer, TKN_COMMA, TKN_RIGHT);
}
}
}
if (_SkipSpaces(lexer))
{
Debug.LogWarning("Invalid content after layer definition finished: " + lexer.Token + "/" + lexer.TokenContents);
}
}
public override void Process(ImportContext ctx, Layer layer)
{
// the name of the data variable should be the first parameter. eg @data("leg l")
string dataName = layer.GetParamString(0);
var file = ctx.file;
var importer = AssetImporter.GetAtPath(ctx.atlasPath) as TextureImporter;
var spriteSheet = importer.spritesheet;
// each tag represents a different animation. look at each frame of each tag. store coordinates of any visible pixels.
// these represent the data points.
foreach (var tag in ctx.file.frameTags)
{
string animName = tag.name;
Vector3 distance = Vector3.zero;
var frameDataList = new FrameDataList {
frames = new List <FrameData>()
};
int numFrames = tag.to - tag.from + 1;
for (int i = tag.from, j = 0; i <= tag.to; ++i, j++)
{
var frameData = new FrameData {
frame = j, coords = new List <Vector2>()
};
Cel cel;
file.frames[i].cels.TryGetValue(layer.index, out cel);
if (cel != null)
{
int pixelCount = 0;
for (int y = 0; y < cel.height; ++y)
{
for (int x = 0; x < cel.width; ++x)
{
// tex coords relative to full texture boundaries
int texX = cel.x + x;
int texY = -(cel.y + y) + file.height - 1;
// store position of any visible pixels
var pxl = cel.GetPixelRaw(x, y);
if (pxl.a > 0.1f)
{
// start the coordinate of the pixel on the layer (from bottom left corner)
Vector2 coord = new Vector2(texX, texY);
// default pixel origin is bottom left. if centered, add half a pixel in x and y directions
if (ctx.settings.pixelOrigin == PixelOrigin.Center)
{
coord += new Vector2(0.5f, 0.5f);
}
// calculate position in relation to pivot
Vector2 pivot = spriteSheet[i].pivot;
Vector2 pivotPxl = new Vector2(pivot.x * spriteSheet[i].rect.width, pivot.y * spriteSheet[i].rect.height);
// get coordinate relative to pivot
coord -= ctx.spriteCropPositions[i];
coord -= pivotPxl;
// if calculating "prev pivot" data, and this is first pixel (should only be one), then store its distance
if (dataName == "prev pivot" && pixelCount == 0)
{
// coord is distance from pivot. negate to make positive, and round to get rid of float errors
distance += new Vector3(-Mathf.Round(coord.x), -Mathf.Round(coord.y), 0);
}
// points are all relative to the sprite's bounding rectangle, which is 1 by 1 in both dimensions
// regardless of sprite size. So (0.5, 0.5) would be the center of the sprite.
// it's ok for points to be outside the bounding rectangle. they'll just be less than 0, or greater than 1.
// WHY? so if the sprite is transformed, everything stays relative. You can multiply points by the transforms
// to get their position relative to the transform.
// NOTE: spriteSheet[i].rect.width/height are in pixels
coord = new Vector2(coord.x / spriteSheet[i].rect.width, coord.y / spriteSheet[i].rect.height);
frameData.coords.Add(coord);
++pixelCount;
}
}
}
if (pixelCount > 0)
{
frameDataList.frames.Add(frameData);
}
}
}
// if we've collected all the data for this animation, save it in appropriate dictionary spot
if (frameDataList.frames.Count > 0)
{
if (ctx.animData.animDict.ContainsKey(animName))
{
ctx.animData.animDict[animName].frameDict.Add(dataName, frameDataList);
if (dataName == "prev pivot")
{
ctx.animData.animDict[animName].distance = distance;
}
}
else
{
ctx.animData.animDict.Add(animName, new AnimList {
numFrames = numFrames,
distance = distance,
frameDict = new FrameDictionary()
{
{
dataName,
frameDataList
}
}
});
}
// Debug.Log(ctx.animData.data["run e"]);
}
}
// Debug.Log(data);
}