/// <summary>
/// Function to retrieve the name of the associated texture.
/// </summary>
/// <param name="stream">The stream containing the texture data.</param>
/// <returns>The name of the texture associated with the sprite, or <b>null</b> if no texture was found.</returns>
protected override string OnGetAssociatedTextureName(Stream stream)
{
GorgonChunkFileReader reader = null;
GorgonBinaryReader binReader = null;
try
{
reader = new GorgonChunkFileReader(stream, new[] { CurrentFileHeader });
reader.Open();
if (!IsReadableChunkFile(reader))
{
return(null);
}
// No texture data in this file.
if (!reader.Chunks.Contains(TextureData))
{
return(null);
}
binReader = reader.OpenChunk(TextureData);
string result = binReader.ReadString();
reader.CloseChunk();
return(result);
}
finally
{
binReader?.Dispose();
reader?.Close();
}
}
/// <summary>
/// Function to determine if the chunk file is a readable file.
/// </summary>
/// <param name="reader">The chunk file reader to use.</param>
/// <returns><b>true</b> if the chunk file is readable, or <b>false</b> if not.</returns>
private bool IsReadableChunkFile(GorgonChunkFileReader reader)
{
if ((!reader.Chunks.Contains(VersionData)) ||
(!reader.Chunks.Contains(AnimationData)))
{
return(false);
}
using (GorgonBinaryReader binReader = reader.OpenChunk(VersionData))
{
var fileVersion = new Version(binReader.ReadByte(), binReader.ReadByte());
reader.CloseChunk();
return(Version.Equals(fileVersion));
}
}
/// <summary>
/// Function to determine if the data in a stream is readable by this codec.
/// </summary>
/// <param name="stream">The stream containing the data.</param>
/// <returns><b>true</b> if the data can be read, or <b>false</b> if not.</returns>
protected override bool OnIsReadable(Stream stream)
{
GorgonChunkFileReader reader = null;
try
{
reader = new GorgonChunkFileReader(stream, new [] { CurrentFileHeader });
reader.Open();
return(IsReadableChunkFile(reader));
}
catch
{
return(false);
}
finally
{
reader?.Close();
}
}
/// <summary>
/// Function to read the animation data from a stream.
/// </summary>
/// <param name="stream">The stream containing the animation.</param>
/// <param name="byteCount">The number of bytes to read from the stream.</param>
/// <returns>A new <see cref="IGorgonAnimation"/>.</returns>
protected override IGorgonAnimation OnReadFromStream(Stream stream, int byteCount)
{
var builder = new GorgonAnimationBuilder();
var reader = new GorgonChunkFileReader(stream,
new[]
{
CurrentFileHeader
});
GorgonBinaryReader binReader = null;
try
{
reader.Open();
binReader = reader.OpenChunk(AnimationData);
string name = binReader.ReadString();
float length = binReader.ReadSingle();
bool isLooped = binReader.ReadBoolean();
int loopCount = binReader.ReadInt32();
reader.CloseChunk();
int keyCount;
if (reader.Chunks.Contains(PositionData))
{
binReader = reader.OpenChunk(PositionData);
builder.PositionInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditPositions();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(ScaleData))
{
binReader = reader.OpenChunk(ScaleData);
builder.ScaleInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditScale();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(RotationData))
{
binReader = reader.OpenChunk(RotationData);
builder.RotationInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditRotation();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(SizeData))
{
binReader = reader.OpenChunk(SizeData);
builder.SizeInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyVector3> track = builder.EditSize();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyVector3(binReader.ReadSingle(), binReader.ReadValue <DX.Vector3>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(BoundsData))
{
binReader = reader.OpenChunk(BoundsData);
builder.RotationInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyRectangle> track = builder.EditRectangularBounds();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyRectangle(binReader.ReadSingle(), binReader.ReadValue <DX.RectangleF>()));
}
track.EndEdit();
reader.CloseChunk();
}
if (reader.Chunks.Contains(ColorData))
{
binReader = reader.OpenChunk(ColorData);
builder.RotationInterpolationMode(binReader.ReadValue <TrackInterpolationMode>());
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyGorgonColor> track = builder.EditColors();
for (int i = 0; i < keyCount; ++i)
{
track.SetKey(new GorgonKeyGorgonColor(binReader.ReadSingle(), binReader.ReadValue <GorgonColor>()));
}
track.EndEdit();
reader.CloseChunk();
}
IGorgonAnimation result;
if (!reader.Chunks.Contains(TextureData))
{
result = builder.Build(name, length);
result.IsLooped = isLooped;
result.LoopCount = loopCount;
return(result);
}
binReader = reader.OpenChunk(TextureData);
keyCount = binReader.ReadInt32();
IGorgonTrackKeyBuilder <GorgonKeyTexture2D> textureTrack = builder.Edit2DTexture();
for (int i = 0; i < keyCount; ++i)
{
float time = binReader.ReadSingle();
byte hasTexture = binReader.ReadByte();
GorgonTexture2DView texture = null;
string textureName = string.Empty;
if (hasTexture != 0)
{
texture = LoadTexture(binReader, out textureName);
if ((texture == null) && (string.IsNullOrWhiteSpace(textureName)))
{
Renderer.Log.Print("Attempted to load a texture from the data, but the texture was not in memory and the name is unknown.",
LoggingLevel.Verbose);
continue;
}
}
if ((texture == null) && (hasTexture != 0))
{
textureTrack.SetKey(new GorgonKeyTexture2D(time, textureName, binReader.ReadValue <DX.RectangleF>(), binReader.ReadInt32()));
}
else
{
textureTrack.SetKey(new GorgonKeyTexture2D(time, texture, binReader.ReadValue <DX.RectangleF>(), binReader.ReadInt32()));
}
}
textureTrack.EndEdit();
reader.CloseChunk();
result = builder.Build(name, length);
result.IsLooped = isLooped;
result.LoopCount = loopCount;
return(result);
}
finally
{
binReader?.Dispose();
reader.Close();
}
}
/// <summary>
/// Function to read the sprite data from a stream.
/// </summary>
/// <param name="stream">The stream containing the sprite.</param>
/// <param name="byteCount">The number of bytes to read from the stream.</param>
/// <param name="overrideTexture">The texture to assign to the sprite instead of the texture associated with the name stored in the file.</param>
/// <returns>A new <see cref="GorgonPolySprite"/>.</returns>
protected override GorgonPolySprite OnReadFromStream(Stream stream, int byteCount, GorgonTexture2DView overrideTexture)
{
var reader = new GorgonChunkFileReader(stream,
new[]
{
CurrentFileHeader
});
GorgonBinaryReader binReader = null;
var sprite = new GorgonPolySpriteBuilder(Renderer);
try
{
reader.Open();
binReader = reader.OpenChunk(SpriteData);
sprite.Anchor(binReader.ReadValue <DX.Vector2>());
// If we do not have alpha test information, then skip writing its data.
if (binReader.ReadBoolean())
{
sprite.AlphaTest(binReader.ReadValue <GorgonRangeF>());
}
reader.CloseChunk();
binReader = reader.OpenChunk(VertexData);
int vertexCount = binReader.ReadInt32();
for (int i = 0; i < vertexCount; ++i)
{
sprite.AddVertex(new GorgonPolySpriteVertex(binReader.ReadValue <DX.Vector2>(),
binReader.ReadValue <GorgonColor>(),
binReader.ReadValue <DX.Vector2>()));
}
reader.CloseChunk();
if (reader.Chunks.Contains(TextureData))
{
binReader = reader.OpenChunk(TextureData);
sprite.Texture(LoadTexture(binReader, overrideTexture, out DX.Vector2 textureOffset, out DX.Vector2 textureScale, out int textureArrayIndex));
sprite.TextureArrayIndex(textureArrayIndex);
sprite.TextureTransform(textureOffset, textureScale);
reader.CloseChunk();
}
if (!reader.Chunks.Contains(TextureSamplerData))
{
return(sprite.Build());
}
var builder = new GorgonSamplerStateBuilder(Renderer.Graphics);
binReader = reader.OpenChunk(TextureSamplerData);
binReader.ReadValue(out SampleFilter filter);
binReader.ReadValue(out GorgonColor borderColor);
binReader.ReadValue(out Comparison compareFunc);
binReader.ReadValue(out TextureWrap wrapU);
binReader.ReadValue(out TextureWrap wrapV);
binReader.ReadValue(out TextureWrap wrapW);
binReader.ReadValue(out int maxAnisotropy);
binReader.ReadValue(out float minLod);
binReader.ReadValue(out float maxLod);
binReader.ReadValue(out float mipLodBias);
reader.CloseChunk();
sprite.TextureSampler(builder.Wrapping(wrapU, wrapV, wrapW, borderColor)
.Filter(filter)
.ComparisonFunction(compareFunc)
.MaxAnisotropy(maxAnisotropy)
.MipLevelOfDetail(minLod, maxLod, mipLodBias)
.Build());
return(sprite.Build());
}
finally
{
binReader?.Dispose();
reader.Close();
}
}
/// <summary>
/// Function to read the sprite data from a stream.
/// </summary>
/// <param name="stream">The stream containing the sprite.</param>
/// <param name="byteCount">The number of bytes to read from the stream.</param>
/// <param name="overrideTexture">The texture to assign to the sprite instead of the texture associated with the name stored in the file.</param>
/// <returns>A new <see cref="GorgonSprite"/>.</returns>
protected override GorgonSprite OnReadFromStream(Stream stream, int byteCount, GorgonTexture2DView overrideTexture)
{
var reader = new GorgonChunkFileReader(stream,
new[]
{
CurrentFileHeader
});
GorgonBinaryReader binReader = null;
var sprite = new GorgonSprite();
try
{
reader.Open();
binReader = reader.OpenChunk(SpriteData);
sprite.Size = binReader.ReadValue <DX.Size2F>();
sprite.Anchor = binReader.ReadValue <DX.Vector2>();
// If we do not have alpha test information, then skip writing its data.
if (binReader.ReadBoolean())
{
sprite.AlphaTest = binReader.ReadValue <GorgonRangeF>();
}
// Write out corner data.
sprite.CornerOffsets.UpperLeft = binReader.ReadValue <DX.Vector3>();
sprite.CornerOffsets.UpperRight = binReader.ReadValue <DX.Vector3>();
sprite.CornerOffsets.LowerLeft = binReader.ReadValue <DX.Vector3>();
sprite.CornerOffsets.LowerRight = binReader.ReadValue <DX.Vector3>();
sprite.CornerColors.UpperLeft = binReader.ReadValue <GorgonColor>();
sprite.CornerColors.UpperRight = binReader.ReadValue <GorgonColor>();
sprite.CornerColors.LowerLeft = binReader.ReadValue <GorgonColor>();
sprite.CornerColors.LowerRight = binReader.ReadValue <GorgonColor>();
reader.CloseChunk();
if (reader.Chunks.Contains(TextureData))
{
binReader = reader.OpenChunk(TextureData);
sprite.Texture = LoadTexture(binReader, overrideTexture, out DX.RectangleF textureCoordinates, out int textureArrayIndex);
sprite.TextureRegion = textureCoordinates;
sprite.TextureArrayIndex = textureArrayIndex;
reader.CloseChunk();
}
if (!reader.Chunks.Contains(TextureSamplerData))
{
return(sprite);
}
var builder = new GorgonSamplerStateBuilder(Renderer.Graphics);
binReader = reader.OpenChunk(TextureSamplerData);
binReader.ReadValue(out SampleFilter filter);
binReader.ReadValue(out GorgonColor borderColor);
binReader.ReadValue(out Comparison compareFunc);
binReader.ReadValue(out TextureWrap wrapU);
binReader.ReadValue(out TextureWrap wrapV);
binReader.ReadValue(out TextureWrap wrapW);
binReader.ReadValue(out int maxAnisotropy);
binReader.ReadValue(out float minLod);
binReader.ReadValue(out float maxLod);
binReader.ReadValue(out float mipLodBias);
reader.CloseChunk();
sprite.TextureSampler = builder.Wrapping(wrapU, wrapV, wrapW, borderColor)
.Filter(filter)
.ComparisonFunction(compareFunc)
.MaxAnisotropy(maxAnisotropy)
.MipLevelOfDetail(minLod, maxLod, mipLodBias)
.Build();
return(sprite);
}
finally
{
binReader?.Dispose();
reader.Close();
}
}
