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/*
* www.javagl.de - JglTF
*
* Copyright 2015-2017 Marco Hutter - http://www.javagl.de
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package de.javagl.jgltf.model.io.v1;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Objects;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Consumer;
import de.javagl.jgltf.impl.v1.Buffer;
import de.javagl.jgltf.impl.v1.GlTF;
import de.javagl.jgltf.impl.v1.Image;
import de.javagl.jgltf.impl.v1.Shader;
import de.javagl.jgltf.model.Optionals;
import de.javagl.jgltf.model.io.Buffers;
import de.javagl.jgltf.model.io.GltfAsset;
import de.javagl.jgltf.model.io.GltfReference;
import de.javagl.jgltf.model.io.IO;
import de.javagl.jgltf.model.v1.BinaryGltfV1;
/**
* Implementation of the {@link GltfAsset} interface for glTF 1.0.
*/
public final class GltfAssetV1 implements GltfAsset
{
/**
* The {@link GlTF}
*/
private final GlTF gltf;
/**
* The optional binary data
*/
private final ByteBuffer binaryData;
/**
* The mapping from (relative) URI strings to the associated external data
*/
private final Map referenceDatas;
/**
* Creates a new instance
*
* @param gltf The {@link GlTF}
* @param binaryData The optional binary data
*/
public GltfAssetV1(GlTF gltf, ByteBuffer binaryData)
{
this.gltf = Objects.requireNonNull(gltf, "The gltf may not be null");
this.binaryData = binaryData;
this.referenceDatas = new ConcurrentHashMap();
}
/**
* Store the given byte buffer under the given (relative) URI string
*
* @param uriString The URI string
* @param byteBuffer The byte buffer
*/
void putReferenceData(String uriString, ByteBuffer byteBuffer)
{
if (byteBuffer == null)
{
referenceDatas.remove(uriString);
}
else
{
referenceDatas.put(uriString, byteBuffer);
}
}
@Override
public GlTF getGltf()
{
return gltf;
}
@Override
public ByteBuffer getBinaryData()
{
return Buffers.createSlice(binaryData);
}
@Override
public List getReferences()
{
List references = new ArrayList();
references.addAll(getBufferReferences());
references.addAll(getImageReferences());
references.addAll(getShaderReferences());
return references;
}
/**
* Create a list containing all {@link GltfReference} objects for the
* buffers that are contained in this model.
*
* @return The references
*/
public List getBufferReferences()
{
List references = new ArrayList();
Map buffers = Optionals.of(gltf.getBuffers());
for (Entry entry : buffers.entrySet())
{
String bufferId = entry.getKey();
if (BinaryGltfV1.isBinaryGltfBufferId(bufferId))
{
continue;
}
Buffer buffer = buffers.get(bufferId);
String uri = buffer.getUri();
if (!IO.isDataUriString(uri))
{
Consumer target =
byteBuffer -> putReferenceData(uri, byteBuffer);
GltfReference reference =
new GltfReference(bufferId, uri, target);
references.add(reference);
}
}
return references;
}
/**
* Create a list containing all {@link GltfReference} objects for the
* images that are contained in this model.
*
* @return The references
*/
public List getImageReferences()
{
List references = new ArrayList();
Map images = Optionals.of(gltf.getImages());
for (Entry entry : images.entrySet())
{
String imageId = entry.getKey();
Image image = entry.getValue();
if (BinaryGltfV1.hasBinaryGltfExtension(image))
{
continue;
}
String uri = image.getUri();
if (!IO.isDataUriString(uri))
{
Consumer target =
byteBuffer -> putReferenceData(uri, byteBuffer);
GltfReference reference =
new GltfReference(imageId, uri, target);
references.add(reference);
}
}
return references;
}
/**
* Create a list containing all {@link GltfReference} objects for the
* shaders that are contained in this model.
*
* @return The references
*/
public List getShaderReferences()
{
List references = new ArrayList();
Map shaders = Optionals.of(gltf.getShaders());
for (Entry entry : shaders.entrySet())
{
String shaderId = entry.getKey();
Shader shader = entry.getValue();
if (BinaryGltfV1.hasBinaryGltfExtension(shader))
{
continue;
}
String uri = shader.getUri();
if (!IO.isDataUriString(uri))
{
Consumer target =
byteBuffer -> putReferenceData(uri, byteBuffer);
GltfReference reference =
new GltfReference(shaderId, uri, target);
references.add(reference);
}
}
return references;
}
@Override
public ByteBuffer getReferenceData(String uriString)
{
return Buffers.createSlice(referenceDatas.get(uriString));
}
@Override
public Map getReferenceDatas()
{
return Collections.unmodifiableMap(referenceDatas);
}
}