protected internal override IndexBuffer Read(ContentReader input, IndexBuffer existingInstance)
{
IndexBuffer indexBuffer = existingInstance;
bool sixteenBits = input.ReadBoolean();
int dataSize = input.ReadInt32();
var elementType = sixteenBits ? IndexElementType.Int16 : IndexElementType.Int32;
int elementCount = dataSize / elementType.TypeSize();
using (var buffer = input.ContentManager.GetScratchBuffer(dataSize))
{
if (input.Read(buffer.AsSpan(0, dataSize)) != dataSize)
{
throw new InvalidDataException();
}
if (indexBuffer == null ||
indexBuffer.ElementType != elementType ||
indexBuffer.Capacity < elementCount)
{
indexBuffer = new IndexBuffer(
input.GetGraphicsDevice(), elementType, elementCount, BufferUsage.None);
}
indexBuffer.SetData(buffer.AsSpan().Slice(0, dataSize));
return(indexBuffer);
}
}
protected internal override T?Read(ContentReader input, T?existingInstance)
{
if (input.ReadBoolean())
{
return(input.ReadObject <T>(elementReader));
}
return(null);
}
protected internal override SpriteFont Read(ContentReader input, SpriteFont existingInstance)
{
if (existingInstance != null)
{
// Read the texture into the existing texture instance
input.ReadObject(existingInstance.Texture);
// FIXME: is it really needed to read theses objects?
// discard the rest of the SpriteFont data as
// we are only reloading GPU resources for now
input.ReadObject <List <Rectangle> >();
input.ReadObject <List <Rectangle> >();
input.ReadObject <List <Rune> >();
input.ReadInt32();
input.ReadSingle();
input.ReadObject <List <Vector3> >();
if (input.ReadBoolean())
{
input.ReadInt32();
}
return(existingInstance);
}
else
{
// Create a fresh SpriteFont instance
var texture = input.ReadObject <Texture2D>();
var glyphs = input.ReadObject <List <Rectangle> >();
var cropping = input.ReadObject <List <Rectangle> >();
var charMap = input.ReadObject <List <Rune> >();
int lineSpacing = input.ReadInt32();
float spacing = input.ReadSingle();
var kerning = input.ReadObject <List <Vector3> >();
var defaultCharacter = input.ReadBoolean() ? (Rune)input.ReadInt32() : (Rune?)null;
return(new SpriteFont(
texture, glyphs, cropping, charMap, lineSpacing, spacing, kerning, defaultCharacter));
}
}
protected internal override DualTextureEffect Read(ContentReader input, DualTextureEffect existingInstance)
{
DualTextureEffect effect = new DualTextureEffect(input.GetGraphicsDevice())
{
Texture = input.ReadExternalReference <Texture>() as Texture2D,
Texture2 = input.ReadExternalReference <Texture>() as Texture2D,
DiffuseColor = input.ReadVector3(),
Alpha = input.ReadSingle(),
VertexColorEnabled = input.ReadBoolean()
};
return(effect);
}
protected internal override AlphaTestEffect Read(ContentReader input, AlphaTestEffect existingInstance)
{
var effect = new AlphaTestEffect(input.GetGraphicsDevice())
{
Texture = input.ReadExternalReference <Texture>() as Texture2D,
AlphaFunction = (CompareFunction)input.ReadInt32(),
ReferenceAlpha = (int)input.ReadUInt32(),
DiffuseColor = input.ReadVector3(),
Alpha = input.ReadSingle(),
VertexColorEnabled = input.ReadBoolean()
};
return(effect);
}
protected internal override BasicEffect Read(ContentReader input, BasicEffect existingInstance)
{
var effect = new BasicEffect(input.GetGraphicsDevice());
if (input.ReadExternalReference <Texture>() is Texture2D texture)
{
effect.Texture = texture;
effect.TextureEnabled = true;
}
effect.DiffuseColor = input.ReadVector3();
effect.EmissiveColor = input.ReadVector3();
effect.SpecularColor = input.ReadVector3();
effect.SpecularPower = input.ReadSingle();
effect.Alpha = input.ReadSingle();
effect.VertexColorEnabled = input.ReadBoolean();
return(effect);
}
protected internal override bool Read(ContentReader input, bool existingInstance)
{
return(input.ReadBoolean());
}