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Example 26 with SerializerException

use of org.bimserver.plugins.serializers.SerializerException in project GltfSerializers by opensourceBIM.

the class BinaryGltfSerializer method generateSceneAndBody.

private void generateSceneAndBody() throws SerializerException {
    int totalBodyByteLength = 0;
    int totalIndicesByteLength = 0;
    int totalVerticesByteLength = 0;
    int totalNormalsByteLength = 0;
    int totalColorsByteLength = 0;
    int maxIndexValues = 16389;
    for (IfcProduct ifcProduct : model.getAllWithSubTypes(IfcProduct.class)) {
        GeometryInfo geometryInfo = ifcProduct.getGeometry();
        if (!ifcProduct.eClass().getName().equals("IfcOpeningElement") && geometryInfo != null && geometryInfo.getData().getVertices().length > 0) {
            GeometryData data = geometryInfo.getData();
            int nrIndicesBytes = data.getIndices().length;
            totalIndicesByteLength += nrIndicesBytes / 2;
            if (nrIndicesBytes > 4 * maxIndexValues) {
                int nrIndices = nrIndicesBytes / 4;
                totalVerticesByteLength += nrIndices * 3 * 4;
                totalNormalsByteLength += nrIndices * 3 * 4;
                if (data.getMaterials() != null) {
                    totalColorsByteLength += nrIndices * 4 * 4;
                }
            } else {
                totalVerticesByteLength += data.getVertices().length;
                totalNormalsByteLength += data.getNormals().length;
                if (data.getMaterials() != null) {
                    totalColorsByteLength += data.getMaterials().length;
                }
            }
        }
    }
    totalBodyByteLength = totalIndicesByteLength + totalVerticesByteLength + totalNormalsByteLength + totalColorsByteLength;
    body = ByteBuffer.allocate(totalBodyByteLength + materialColorFragmentShaderBytes.length + materialColorVertexShaderBytes.length + vertexColorFragmentShaderBytes.length + vertexColorVertexShaderBytes.length);
    body.order(ByteOrder.LITTLE_ENDIAN);
    ByteBuffer newIndicesBuffer = ByteBuffer.allocate(totalIndicesByteLength);
    newIndicesBuffer.order(ByteOrder.LITTLE_ENDIAN);
    ByteBuffer newVerticesBuffer = ByteBuffer.allocate(totalVerticesByteLength);
    newVerticesBuffer.order(ByteOrder.LITTLE_ENDIAN);
    ByteBuffer newNormalsBuffer = ByteBuffer.allocate(totalNormalsByteLength);
    newNormalsBuffer.order(ByteOrder.LITTLE_ENDIAN);
    ByteBuffer newColorsBuffer = ByteBuffer.allocate(totalColorsByteLength);
    newColorsBuffer.order(ByteOrder.LITTLE_ENDIAN);
    String indicesBufferView = createBufferView(totalIndicesByteLength, 0, ELEMENT_ARRAY_BUFFER);
    String verticesBufferView = createBufferView(totalVerticesByteLength, totalIndicesByteLength, ARRAY_BUFFER);
    String normalsBufferView = createBufferView(totalNormalsByteLength, totalIndicesByteLength + totalVerticesByteLength, ARRAY_BUFFER);
    String colorsBufferView = null;
    scenesNode.set("defaultScene", createDefaultScene());
    createModelNode();
    for (IfcProduct ifcProduct : model.getAllWithSubTypes(IfcProduct.class)) {
        GeometryInfo geometryInfo = ifcProduct.getGeometry();
        if (!ifcProduct.eClass().getName().equals("IfcOpeningElement") && geometryInfo != null) {
            ByteBuffer matrixByteBuffer = ByteBuffer.wrap(ifcProduct.getGeometry().getTransformation());
            matrixByteBuffer.order(ByteOrder.LITTLE_ENDIAN);
            DoubleBuffer doubleBuffer = matrixByteBuffer.asDoubleBuffer();
            float[] matrix = new float[16];
            for (int i = 0; i < doubleBuffer.capacity(); i++) {
                matrix[i] = (float) doubleBuffer.get();
            }
            updateExtends(geometryInfo, matrix);
        }
    }
    float[] offsets = getOffsets();
    // This will "normalize" the model by moving it's axis-aligned bounding box center to the 0-point. This will always be the wrong position, but at least the building will be close to the 0-point
    modelTranslation.add(-offsets[0]);
    modelTranslation.add(-offsets[1]);
    modelTranslation.add(-offsets[2]);
    for (IfcProduct ifcProduct : model.getAllWithSubTypes(IfcProduct.class)) {
        GeometryInfo geometryInfo = ifcProduct.getGeometry();
        if (!ifcProduct.eClass().getName().equals("IfcOpeningElement") && geometryInfo != null && geometryInfo.getData().getVertices().length > 0) {
            int startPositionIndices = newIndicesBuffer.position();
            int startPositionVertices = newVerticesBuffer.position();
            int startPositionNormals = newNormalsBuffer.position();
            int startPositionColors = newColorsBuffer.position();
            GeometryData data = geometryInfo.getData();
            ByteBuffer indicesBuffer = ByteBuffer.wrap(data.getIndices());
            indicesBuffer.order(ByteOrder.LITTLE_ENDIAN);
            IntBuffer indicesIntBuffer = indicesBuffer.asIntBuffer();
            ByteBuffer verticesBuffer = ByteBuffer.wrap(data.getVertices());
            verticesBuffer.order(ByteOrder.LITTLE_ENDIAN);
            FloatBuffer verticesFloatBuffer = verticesBuffer.asFloatBuffer();
            ByteBuffer normalsBuffer = ByteBuffer.wrap(data.getNormals());
            normalsBuffer.order(ByteOrder.LITTLE_ENDIAN);
            FloatBuffer normalsFloatBuffer = normalsBuffer.asFloatBuffer();
            FloatBuffer materialsFloatBuffer = null;
            if (data.getMaterials() != null) {
                ByteBuffer materialsBuffer = ByteBuffer.wrap(data.getMaterials());
                materialsBuffer.order(ByteOrder.LITTLE_ENDIAN);
                materialsFloatBuffer = materialsBuffer.asFloatBuffer();
            }
            if (data.getIndices().length > 4 * maxIndexValues) {
                int totalNrIndices = indicesIntBuffer.capacity();
                int nrParts = (totalNrIndices + maxIndexValues - 1) / maxIndexValues;
                ArrayNode primitivesNode = OBJECT_MAPPER.createArrayNode();
                for (int part = 0; part < nrParts; part++) {
                    startPositionIndices = newIndicesBuffer.position();
                    startPositionVertices = newVerticesBuffer.position();
                    startPositionNormals = newNormalsBuffer.position();
                    startPositionColors = newColorsBuffer.position();
                    short indexCounter = 0;
                    int upto = Math.min((part + 1) * maxIndexValues, totalNrIndices);
                    for (int i = part * maxIndexValues; i < upto; i++) {
                        newIndicesBuffer.putShort(indexCounter++);
                    }
                    int nrVertices = upto - part * maxIndexValues;
                    for (int i = part * maxIndexValues; i < upto; i += 3) {
                        int oldIndex1 = indicesIntBuffer.get(i);
                        int oldIndex2 = indicesIntBuffer.get(i + 1);
                        int oldIndex3 = indicesIntBuffer.get(i + 2);
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex1 * 3));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex1 * 3 + 1));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex1 * 3 + 2));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex2 * 3));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex2 * 3 + 1));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex2 * 3 + 2));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex3 * 3));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex3 * 3 + 1));
                        newVerticesBuffer.putFloat(verticesFloatBuffer.get(oldIndex3 * 3 + 2));
                    }
                    for (int i = part * maxIndexValues; i < upto; i += 3) {
                        int oldIndex1 = indicesIntBuffer.get(i);
                        int oldIndex2 = indicesIntBuffer.get(i + 1);
                        int oldIndex3 = indicesIntBuffer.get(i + 2);
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex1 * 3));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex1 * 3 + 1));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex1 * 3 + 2));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex2 * 3));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex2 * 3 + 1));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex2 * 3 + 2));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex3 * 3));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex3 * 3 + 1));
                        newNormalsBuffer.putFloat(normalsFloatBuffer.get(oldIndex3 * 3 + 2));
                    }
                    if (materialsFloatBuffer != null) {
                        for (int i = part * maxIndexValues; i < upto; i += 3) {
                            int oldIndex1 = indicesIntBuffer.get(i);
                            int oldIndex2 = indicesIntBuffer.get(i + 1);
                            int oldIndex3 = indicesIntBuffer.get(i + 2);
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex1 * 4));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex1 * 4 + 1));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex1 * 4 + 2));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex1 * 4 + 3));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex2 * 4));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex2 * 4 + 1));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex2 * 4 + 2));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex2 * 4 + 3));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex3 * 4));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex3 * 4 + 1));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex3 * 4 + 2));
                            newColorsBuffer.putFloat(materialsFloatBuffer.get(oldIndex3 * 4 + 3));
                        }
                    }
                    ObjectNode primitiveNode = OBJECT_MAPPER.createObjectNode();
                    String indicesAccessor = addIndicesAccessor(ifcProduct, indicesBufferView, startPositionIndices, nrVertices / 3);
                    String verticesAccessor = addVerticesAccessor(ifcProduct, verticesBufferView, startPositionVertices, nrVertices);
                    String normalsAccessor = addNormalsAccessor(ifcProduct, normalsBufferView, startPositionNormals, nrVertices);
                    String colorAccessor = null;
                    if (data.getMaterials() != null) {
                        if (colorsBufferView == null) {
                            colorsBufferView = createBufferView(totalColorsByteLength, totalIndicesByteLength + totalVerticesByteLength + totalNormalsByteLength, ARRAY_BUFFER);
                        }
                        colorAccessor = addColorsAccessor(ifcProduct, colorsBufferView, startPositionColors, nrVertices * 4 / 3);
                    }
                    primitivesNode.add(primitiveNode);
                    primitiveNode.put("indices", indicesAccessor);
                    primitiveNode.put("mode", TRIANGLES);
                    ObjectNode attributesNode = OBJECT_MAPPER.createObjectNode();
                    primitiveNode.set("attributes", attributesNode);
                    attributesNode.put("NORMAL", normalsAccessor);
                    attributesNode.put("POSITION", verticesAccessor);
                    if (colorAccessor != null) {
                        attributesNode.put("COLOR", colorAccessor);
                        primitiveNode.put("material", VERTEX_COLOR_MATERIAL);
                    } else {
                        primitiveNode.put("material", createOrGetMaterial(ifcProduct.eClass().getName(), IfcColors.getDefaultColor(ifcProduct.eClass().getName())));
                    }
                }
                String meshName = addMesh(ifcProduct, primitivesNode);
                String nodeName = addNode(meshName, ifcProduct);
                translationChildrenNode.add(nodeName);
            } else {
                for (int i = 0; i < indicesIntBuffer.capacity(); i++) {
                    int index = indicesIntBuffer.get(i);
                    if (index > Short.MAX_VALUE) {
                        throw new SerializerException("Index too large to store as short " + index);
                    }
                    newIndicesBuffer.putShort((short) (index));
                }
                newVerticesBuffer.put(data.getVertices());
                newNormalsBuffer.put(data.getNormals());
                if (data.getMaterials() != null) {
                    newColorsBuffer.put(data.getMaterials());
                }
                int totalNrIndices = indicesIntBuffer.capacity();
                ArrayNode primitivesNode = OBJECT_MAPPER.createArrayNode();
                ObjectNode primitiveNode = OBJECT_MAPPER.createObjectNode();
                String indicesAccessor = addIndicesAccessor(ifcProduct, indicesBufferView, startPositionIndices, totalNrIndices);
                String verticesAccessor = addVerticesAccessor(ifcProduct, verticesBufferView, startPositionVertices, data.getVertices().length / 4);
                String normalsAccessor = addNormalsAccessor(ifcProduct, normalsBufferView, startPositionNormals, data.getNormals().length / 4);
                String colorAccessor = null;
                if (data.getMaterials() != null) {
                    if (colorsBufferView == null) {
                        colorsBufferView = createBufferView(totalColorsByteLength, totalIndicesByteLength + totalVerticesByteLength + totalNormalsByteLength, ARRAY_BUFFER);
                    }
                    colorAccessor = addColorsAccessor(ifcProduct, colorsBufferView, startPositionColors, data.getVertices().length / 4);
                }
                primitivesNode.add(primitiveNode);
                primitiveNode.put("indices", indicesAccessor);
                primitiveNode.put("mode", TRIANGLES);
                ObjectNode attributesNode = OBJECT_MAPPER.createObjectNode();
                primitiveNode.set("attributes", attributesNode);
                attributesNode.put("NORMAL", normalsAccessor);
                attributesNode.put("POSITION", verticesAccessor);
                if (colorAccessor != null) {
                    attributesNode.put("COLOR", colorAccessor);
                    primitiveNode.put("material", VERTEX_COLOR_MATERIAL);
                } else {
                    primitiveNode.put("material", createOrGetMaterial(ifcProduct.eClass().getName(), IfcColors.getDefaultColor(ifcProduct.eClass().getName())));
                }
                String meshName = addMesh(ifcProduct, primitivesNode);
                String nodeName = addNode(meshName, ifcProduct);
                translationChildrenNode.add(nodeName);
            }
        }
    }
    if (newIndicesBuffer.position() != newIndicesBuffer.capacity()) {
        throw new SerializerException("Not all space used");
    }
    if (newVerticesBuffer.position() != newVerticesBuffer.capacity()) {
        throw new SerializerException("Not all space used");
    }
    if (newNormalsBuffer.position() != newNormalsBuffer.capacity()) {
        throw new SerializerException("Not all space used");
    }
    if (newColorsBuffer.position() != newColorsBuffer.capacity()) {
        throw new SerializerException("Not all space used");
    }
    newIndicesBuffer.position(0);
    newVerticesBuffer.position(0);
    newNormalsBuffer.position(0);
    newColorsBuffer.position(0);
    body.put(newIndicesBuffer);
    body.put(newVerticesBuffer);
    body.put(newNormalsBuffer);
    body.put(newColorsBuffer);
    String vertexColorFragmentShaderBufferViewName = createBufferView(vertexColorFragmentShaderBytes.length, body.position());
    body.put(vertexColorFragmentShaderBytes);
    String vertexColorVertexShaderBufferViewName = createBufferView(vertexColorVertexShaderBytes.length, body.position());
    body.put(vertexColorVertexShaderBytes);
    String materialColorFragmentShaderBufferViewName = createBufferView(materialColorFragmentShaderBytes.length, body.position());
    body.put(materialColorFragmentShaderBytes);
    String materialColorVertexShaderBufferViewName = createBufferView(materialColorVertexShaderBytes.length, body.position());
    body.put(materialColorVertexShaderBytes);
    gltfNode.set("animations", createAnimations());
    gltfNode.set("asset", createAsset());
    gltfNode.set("programs", createPrograms());
    gltfNode.put("scene", "defaultScene");
    gltfNode.set("skins", createSkins());
    gltfNode.set("techniques", createTechniques());
    createVertexColorShaders(vertexColorFragmentShaderBufferViewName, vertexColorVertexShaderBufferViewName);
    createMaterialColorShaders(materialColorFragmentShaderBufferViewName, materialColorVertexShaderBufferViewName);
    addBuffer("binary_glTF", "arraybuffer", body.capacity());
    ArrayNode extensions = OBJECT_MAPPER.createArrayNode();
    extensions.add("KHR_binary_glTF");
    gltfNode.set("extensionsUsed", extensions);
}
Also used : DoubleBuffer(java.nio.DoubleBuffer) ObjectNode(com.fasterxml.jackson.databind.node.ObjectNode) GeometryData(org.bimserver.models.geometry.GeometryData) FloatBuffer(java.nio.FloatBuffer) ByteBuffer(java.nio.ByteBuffer) SerializerException(org.bimserver.plugins.serializers.SerializerException) IntBuffer(java.nio.IntBuffer) GeometryInfo(org.bimserver.models.geometry.GeometryInfo) IfcProduct(org.bimserver.models.ifc2x3tc1.IfcProduct) ArrayNode(com.fasterxml.jackson.databind.node.ArrayNode)

Aggregations

SerializerException (org.bimserver.plugins.serializers.SerializerException)26 IOException (java.io.IOException)11 ObjectNode (com.fasterxml.jackson.databind.node.ObjectNode)8 ArrayNode (com.fasterxml.jackson.databind.node.ArrayNode)6 UserException (org.bimserver.shared.exceptions.UserException)6 Serializer (org.bimserver.plugins.serializers.Serializer)5 FileNotFoundException (java.io.FileNotFoundException)4 ByteBuffer (java.nio.ByteBuffer)4 DataHandler (javax.activation.DataHandler)4 BimserverDatabaseException (org.bimserver.BimserverDatabaseException)4 IfcModelInterfaceException (org.bimserver.emf.IfcModelInterfaceException)4 GeometryData (org.bimserver.models.geometry.GeometryData)4 DeserializeException (org.bimserver.plugins.deserializers.DeserializeException)4 SerializerPlugin (org.bimserver.plugins.serializers.SerializerPlugin)4 PluginException (org.bimserver.shared.exceptions.PluginException)4 ServerException (org.bimserver.shared.exceptions.ServerException)4 DataSource (javax.activation.DataSource)3 DatabaseSession (org.bimserver.database.DatabaseSession)3 IfcModelInterface (org.bimserver.emf.IfcModelInterface)3 IfcProduct (org.bimserver.models.ifc2x3tc1.IfcProduct)3