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Example 1 with UpVector

use of net.drewke.tdme.engine.model.Model.UpVector in project tdme by andreasdr.

the class DAEReader method readLevel.

/**
	 * Reads Collada DAE file level
	 * @param path name
	 * @param file name
	 * @throws Exception
	 * @return Model instance
	 */
public static LevelEditorLevel readLevel(String pathName, String fileName) throws Exception {
    // (re)create tm files folder
    File tmFilesFolder = new File(pathName + "/" + fileName + "-models");
    if (tmFilesFolder.exists()) {
        tmFilesFolder.delete();
    }
    tmFilesFolder.mkdir();
    // create level
    LevelEditorLevel levelEditorLevel = new LevelEditorLevel();
    LevelPropertyPresets.getInstance().setDefaultLevelProperties(levelEditorLevel);
    // load dae xml document
    DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document document = builder.parse(FileSystem.getInstance().getInputStream(pathName, fileName));
    Element xmlRoot = document.getDocumentElement();
    // authoring tool
    AuthoringTool authoringTool = getAuthoringTool(xmlRoot);
    // up vector and rotation order
    UpVector upVector = getUpVector(xmlRoot);
    RotationOrder rotationOrder = null;
    switch(upVector) {
        case Y_UP:
            rotationOrder = RotationOrder.ZYX;
        case Z_UP:
            rotationOrder = RotationOrder.YZX;
    }
    levelEditorLevel.setRotationOrder(rotationOrder);
    // parse scene from xml
    String xmlSceneId = null;
    Element xmlScene = getChildrenByTagName(xmlRoot, "scene").get(0);
    for (Element xmlInstanceVisualscene : getChildrenByTagName(xmlScene, "instance_visual_scene")) {
        xmlSceneId = xmlInstanceVisualscene.getAttribute("url").substring(1);
    }
    // check for xml scene id
    if (xmlSceneId == null) {
        throw new ModelFileIOException("No scene id found");
    }
    // parse visual scenes
    Element xmlLibraryVisualScenes = getChildrenByTagName(xmlRoot, "library_visual_scenes").get(0);
    for (Element xmlLibraryVisualScene : getChildrenByTagName(xmlLibraryVisualScenes, "visual_scene")) {
        String xmlVisualSceneId = xmlLibraryVisualScene.getAttribute("id");
        if (xmlVisualSceneId.equals(xmlSceneId)) {
            // default FPS
            float fps = 30f;
            // parse frames per second
            List<Element> xmlExtraNodes = getChildrenByTagName(xmlLibraryVisualScene, "extra");
            if (xmlExtraNodes.isEmpty() == false) {
                Element xmlExtraNode = xmlExtraNodes.get(0);
                for (Element xmlTechnique : getChildrenByTagName(xmlExtraNode, "technique")) {
                    List<Element> xmlFrameRateNodes = getChildrenByTagName(xmlTechnique, "frame_rate");
                    if (xmlFrameRateNodes.isEmpty() == false) {
                        fps = Float.parseFloat(xmlFrameRateNodes.get(0).getTextContent());
                        break;
                    }
                }
            }
            // visual scene root nodes
            LevelEditorEntityLibrary entityLibrary = levelEditorLevel.getEntityLibrary();
            LevelEditorEntity emptyEntity = null;
            int nodeIdx = 0;
            for (Element xmlNode : getChildrenByTagName(xmlLibraryVisualScene, "node")) {
                // derive model name from node id
                String modelName = xmlNode.getAttribute("id");
                // replace blender _|-NUMBER, not sure if this is a good idea for all cases, we will see
                modelName = modelName.replaceAll("[\\-\\_]{1}+[0-9]+$", "");
                // replace number at the end still, not sure if this is a good idea for all cases, we will see
                modelName = modelName.replaceAll("[0-9]+$", "");
                // check if name is available, if not extend with numbers :DDD
                boolean haveName = entityLibrary.getEntityCount() == 0;
                if (haveName == false) {
                    for (int i = 0; i < 10000; i++) {
                        haveName = true;
                        String modelNameTry = modelName + (i == 0 ? "" : String.valueOf(i));
                        for (int entityIdx = 0; entityIdx < entityLibrary.getEntityCount(); entityIdx++) {
                            LevelEditorEntity entity = entityLibrary.getEntityAt(entityIdx);
                            if (entity.getName().equals(modelNameTry) == true) {
                                haveName = false;
                                break;
                            }
                        }
                        if (haveName == true) {
                            modelName = modelNameTry;
                            break;
                        }
                    }
                }
                // do we have a name now?
                if (haveName == false) {
                    // nope, cant imagine this will happen 
                    System.out.println("DAEReader::readLevel(): Skipping model '" + modelName + "' as no name could be created for it.");
                    continue;
                }
                // 	create model
                Model model = new Model(pathName + File.separator + fileName + '-' + modelName, fileName + '-' + modelName, upVector, rotationOrder, null);
                // import matrix
                setupModelImportRotationMatrix(xmlRoot, model);
                Matrix4x4 modelImportRotationMatrix = new Matrix4x4(model.getImportTransformationsMatrix());
                setupModelImportScaleMatrix(xmlRoot, model);
                // translation, scaling, rotation
                Vector3 translation = new Vector3();
                Vector3 scale = new Vector3();
                Vector3 rotation = new Vector3();
                Vector3 xAxis = new Vector3();
                Vector3 yAxis = new Vector3();
                Vector3 zAxis = new Vector3();
                // set up local transformations matrix
                Matrix4x4 nodeTransformationsMatrix = null;
                List<Element> xmlMatrixElements = getChildrenByTagName(xmlNode, "matrix");
                if (xmlMatrixElements.size() == 1) {
                    String xmlMatrix = xmlMatrixElements.get(0).getTextContent();
                    StringTokenizer t = new StringTokenizer(xmlMatrix, " \n\r");
                    // 
                    nodeTransformationsMatrix = new Matrix4x4(Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken()), Float.parseFloat(t.nextToken())).transpose();
                }
                // check if we have node transformations matrix
                if (nodeTransformationsMatrix == null) {
                    throw new ModelFileIOException("missing node transformations matrix for node " + xmlNode.getAttribute("id"));
                }
                // extract coordinate system axes
                nodeTransformationsMatrix.getAxes(xAxis, yAxis, zAxis);
                nodeTransformationsMatrix.getTranslation(translation);
                nodeTransformationsMatrix.getScale(scale);
                // normalize coordinate axes
                xAxis.normalize();
                yAxis.normalize();
                zAxis.normalize();
                // write back normalized x axis
                nodeTransformationsMatrix.setAxes(xAxis, yAxis, zAxis);
                // TODO: move me into Matrix4x4 decomposing code?
                if ((upVector == UpVector.Y_UP && Vector3.computeDotProduct(Vector3.computeCrossProduct(xAxis, yAxis), zAxis) < 0.0f) || (upVector == UpVector.Z_UP && Vector3.computeDotProduct(Vector3.computeCrossProduct(xAxis, zAxis), yAxis) < 0.0f)) {
                    // negate axes
                    xAxis.scale(-1f);
                    yAxis.scale(-1f);
                    zAxis.scale(-1f);
                    // and write back to node transformation matrices
                    nodeTransformationsMatrix.setAxes(xAxis, yAxis, zAxis);
                    // scale
                    scale.scale(-1f);
                }
                // determine rotation
                nodeTransformationsMatrix.computeEulerAngles(rotation);
                // apply model import matrix
                modelImportRotationMatrix.multiply(scale, scale);
                modelImportRotationMatrix.multiply(rotation, rotation);
                model.getImportTransformationsMatrix().multiply(translation, translation);
                // set up frames per seconds
                model.setFPS(fps);
                // read sub groups
                Group group = readVisualSceneNode(authoringTool, pathName, model, null, xmlRoot, xmlNode, fps);
                if (group != null) {
                    group.getTransformationsMatrix().identity();
                    model.getSubGroups().put(group.getId(), group);
                    model.getGroups().put(group.getId(), group);
                }
                // set up joints
                ModelHelper.setupJoints(model);
                // fix animation length
                ModelHelper.fixAnimationLength(model);
                // prepare for indexed rendering
                ModelHelper.prepareForIndexedRendering(model);
                // check if empty model
                EntityType entityType = EntityType.MODEL;
                ModelStatistics modelStatistics = ModelUtilities.computeModelStatistics(model);
                if (modelStatistics.getOpaqueFaceCount() == 0 && modelStatistics.getTransparentFaceCount() == 0) {
                    entityType = EntityType.EMPTY;
                }
                // level editor entity
                LevelEditorEntity levelEditorEntity = null;
                // model
                if (entityType == EntityType.MODEL) {
                    // check if we have that model already
                    for (int i = 0; i < levelEditorLevel.getEntityLibrary().getEntityCount(); i++) {
                        LevelEditorEntity levelEditorEntityCompare = levelEditorLevel.getEntityLibrary().getEntityAt(i);
                        if (levelEditorEntityCompare.getType() != EntityType.MODEL)
                            continue;
                        if (ModelUtilities.equals(model, levelEditorEntityCompare.getModel()) == true) {
                            levelEditorEntity = levelEditorEntityCompare;
                            break;
                        }
                    }
                    // create level editor model, if not yet exists
                    if (levelEditorEntity == null) {
                        // save model
                        TMWriter.write(model, pathName + "/" + fileName + "-models", modelName + ".tm");
                        // create level editor entity
                        levelEditorEntity = entityLibrary.addModel(nodeIdx++, modelName, modelName, pathName + "/" + fileName + "-models", modelName + ".tm", new Vector3());
                    }
                } else // empty
                if (entityType == EntityType.EMPTY) {
                    if (emptyEntity == null) {
                        emptyEntity = entityLibrary.addEmpty(nodeIdx++, "Default Empty", "");
                    }
                    levelEditorEntity = emptyEntity;
                } else {
                    System.out.println("DAEReader::readLevel(): unknown entity type. Skipping");
                    continue;
                }
                // level editor object transformations
                Transformations levelEditorObjectTransformations = new Transformations();
                levelEditorObjectTransformations.getTranslation().set(translation);
                levelEditorObjectTransformations.getRotations().add(new Rotation(rotation.getArray()[rotationOrder.getAxis0VectorIndex()], rotationOrder.getAxis0()));
                levelEditorObjectTransformations.getRotations().add(new Rotation(rotation.getArray()[rotationOrder.getAxis1VectorIndex()], rotationOrder.getAxis1()));
                levelEditorObjectTransformations.getRotations().add(new Rotation(rotation.getArray()[rotationOrder.getAxis2VectorIndex()], rotationOrder.getAxis2()));
                levelEditorObjectTransformations.getScale().set(scale);
                levelEditorObjectTransformations.update();
                // level editor object
                LevelEditorObject object = new LevelEditorObject(xmlNode.getAttribute("id"), xmlNode.getAttribute("id"), levelEditorObjectTransformations, levelEditorEntity);
                // add object to level
                levelEditorLevel.addObject(object);
            }
        }
    }
    // save level
    LevelFileExport.export(pathName + "/" + fileName + ".tl", levelEditorLevel);
    //
    return levelEditorLevel;
}
Also used : Group(net.drewke.tdme.engine.model.Group) Element(org.w3c.dom.Element) Document(org.w3c.dom.Document) ModelStatistics(net.drewke.tdme.engine.subsystems.object.ModelUtilitiesInternal.ModelStatistics) LevelEditorObject(net.drewke.tdme.tools.shared.model.LevelEditorObject) LevelEditorEntity(net.drewke.tdme.tools.shared.model.LevelEditorEntity) UpVector(net.drewke.tdme.engine.model.Model.UpVector) Vector3(net.drewke.tdme.math.Vector3) Rotation(net.drewke.tdme.engine.Rotation) Joint(net.drewke.tdme.engine.model.Joint) Matrix4x4(net.drewke.tdme.math.Matrix4x4) EntityType(net.drewke.tdme.tools.shared.model.LevelEditorEntity.EntityType) LevelEditorEntityLibrary(net.drewke.tdme.tools.shared.model.LevelEditorEntityLibrary) StringTokenizer(java.util.StringTokenizer) LevelEditorLevel(net.drewke.tdme.tools.shared.model.LevelEditorLevel) DocumentBuilder(javax.xml.parsers.DocumentBuilder) RotationOrder(net.drewke.tdme.engine.model.RotationOrder) Model(net.drewke.tdme.engine.model.Model) Transformations(net.drewke.tdme.engine.Transformations) File(java.io.File)

Example 2 with UpVector

use of net.drewke.tdme.engine.model.Model.UpVector in project tdme by andreasdr.

the class TMReader method read.

/**
	 * TDME model format reader
	 * @param path name
	 * @param file name
	 * @throws IOException
	 * @throws ModelIOException
	 * @return model
	 */
public static Model read(String pathName, String fileName) throws IOException, ModelFileIOException {
    InputStream is = null;
    try {
        is = FileSystem.getInstance().getInputStream(pathName, fileName);
        // version major.minor = 1.0
        String fileId = readString(is);
        if (fileId == null || fileId.equals("TDME Model") == false) {
            throw new ModelFileIOException("File is not a TDME model file, file id = '" + fileId + "'");
        }
        byte[] version = new byte[3];
        version[0] = readByte(is);
        version[1] = readByte(is);
        version[2] = readByte(is);
        if (version[0] != 1 || version[1] != 0 || version[2] != 0) {
            throw new ModelFileIOException("Version mismatch, should be 1.0.0, but is " + version[0] + "." + version[1] + "." + version[2]);
        }
        // meta data
        String name = readString(is);
        // up vector, rotation order, bounding box
        UpVector upVector = UpVector.valueOf(readString(is));
        RotationOrder rotationOrder = RotationOrder.valueOf(readString(is));
        BoundingBox boundingBox = new BoundingBox(new Vector3(readFloatArray(is)), new Vector3(readFloatArray(is)));
        // 	create object
        Model model = new Model(pathName + File.separator + fileName, fileName, upVector, rotationOrder, boundingBox);
        // set additional data
        model.setFPS(readFloat(is));
        model.getImportTransformationsMatrix().set(readFloatArray(is));
        // materials
        int materialCount = readInt(is);
        for (int i = 0; i < materialCount; i++) {
            Material material = readMaterial(is);
            model.getMaterials().put(material.getId(), material);
        }
        // sub groups
        readSubGroups(is, model, null, model.getSubGroups());
        //
        return model;
    } catch (IOException ioe) {
        throw ioe;
    } catch (ModelFileIOException mfioe) {
        throw mfioe;
    } finally {
        if (is != null) {
            is.close();
        }
    }
}
Also used : UpVector(net.drewke.tdme.engine.model.Model.UpVector) InputStream(java.io.InputStream) BoundingBox(net.drewke.tdme.engine.primitives.BoundingBox) RotationOrder(net.drewke.tdme.engine.model.RotationOrder) Model(net.drewke.tdme.engine.model.Model) Vector3(net.drewke.tdme.math.Vector3) Material(net.drewke.tdme.engine.model.Material) IOException(java.io.IOException) Joint(net.drewke.tdme.engine.model.Joint)

Example 3 with UpVector

use of net.drewke.tdme.engine.model.Model.UpVector in project tdme by andreasdr.

the class DAEReader method read.

/**
	 * Reads Collada DAE file
	 * @param path name
	 * @param file name
	 * @throws Exception
	 * @return Model instance
	 */
public static Model read(String pathName, String fileName) throws Exception {
    // load dae xml document
    DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document document = builder.parse(FileSystem.getInstance().getInputStream(pathName, fileName));
    Element xmlRoot = document.getDocumentElement();
    // authoring tool
    AuthoringTool authoringTool = getAuthoringTool(xmlRoot);
    // up vector and rotation order
    UpVector upVector = getUpVector(xmlRoot);
    RotationOrder rotationOrder = null;
    switch(upVector) {
        case Y_UP:
            rotationOrder = RotationOrder.ZYX;
        case Z_UP:
            rotationOrder = RotationOrder.YZX;
    }
    // 	create model
    Model model = new Model(pathName + File.separator + fileName, fileName, upVector, rotationOrder, null);
    // import matrix
    setupModelImportRotationMatrix(xmlRoot, model);
    setupModelImportScaleMatrix(xmlRoot, model);
    // parse scene from xml
    String xmlSceneId = null;
    Element xmlScene = getChildrenByTagName(xmlRoot, "scene").get(0);
    for (Element xmlInstanceVisualscene : getChildrenByTagName(xmlScene, "instance_visual_scene")) {
        xmlSceneId = xmlInstanceVisualscene.getAttribute("url").substring(1);
    }
    // check for xml scene id
    if (xmlSceneId == null) {
        throw new ModelFileIOException("No scene id found");
    }
    // parse visual scenes
    Element xmlLibraryVisualScenes = getChildrenByTagName(xmlRoot, "library_visual_scenes").get(0);
    for (Element xmlLibraryVisualScene : getChildrenByTagName(xmlLibraryVisualScenes, "visual_scene")) {
        String xmlVisualSceneId = xmlLibraryVisualScene.getAttribute("id");
        if (xmlVisualSceneId.equals(xmlSceneId)) {
            // default FPS
            float fps = 30f;
            // parse frames per second
            List<Element> xmlExtraNodes = getChildrenByTagName(xmlLibraryVisualScene, "extra");
            if (xmlExtraNodes.isEmpty() == false) {
                Element xmlExtraNode = xmlExtraNodes.get(0);
                for (Element xmlTechnique : getChildrenByTagName(xmlExtraNode, "technique")) {
                    List<Element> xmlFrameRateNodes = getChildrenByTagName(xmlTechnique, "frame_rate");
                    if (xmlFrameRateNodes.isEmpty() == false) {
                        fps = Float.parseFloat(xmlFrameRateNodes.get(0).getTextContent());
                        break;
                    }
                }
            }
            // set up frames per seconds
            model.setFPS(fps);
            // visual scene root nodes
            for (Element xmlNode : getChildrenByTagName(xmlLibraryVisualScene, "node")) {
                Group group = readVisualSceneNode(authoringTool, pathName, model, null, xmlRoot, xmlNode, fps);
                if (group != null) {
                    model.getSubGroups().put(group.getId(), group);
                    model.getGroups().put(group.getId(), group);
                }
            }
        }
    }
    // set up joints
    ModelHelper.setupJoints(model);
    // fix animation length
    ModelHelper.fixAnimationLength(model);
    // prepare for indexed rendering
    ModelHelper.prepareForIndexedRendering(model);
    //
    return model;
}
Also used : Group(net.drewke.tdme.engine.model.Group) UpVector(net.drewke.tdme.engine.model.Model.UpVector) DocumentBuilder(javax.xml.parsers.DocumentBuilder) Element(org.w3c.dom.Element) RotationOrder(net.drewke.tdme.engine.model.RotationOrder) Model(net.drewke.tdme.engine.model.Model) Document(org.w3c.dom.Document)

Aggregations

Model (net.drewke.tdme.engine.model.Model)3 UpVector (net.drewke.tdme.engine.model.Model.UpVector)3 RotationOrder (net.drewke.tdme.engine.model.RotationOrder)3 DocumentBuilder (javax.xml.parsers.DocumentBuilder)2 Group (net.drewke.tdme.engine.model.Group)2 Joint (net.drewke.tdme.engine.model.Joint)2 Vector3 (net.drewke.tdme.math.Vector3)2 Document (org.w3c.dom.Document)2 Element (org.w3c.dom.Element)2 File (java.io.File)1 IOException (java.io.IOException)1 InputStream (java.io.InputStream)1 StringTokenizer (java.util.StringTokenizer)1 Rotation (net.drewke.tdme.engine.Rotation)1 Transformations (net.drewke.tdme.engine.Transformations)1 Material (net.drewke.tdme.engine.model.Material)1 BoundingBox (net.drewke.tdme.engine.primitives.BoundingBox)1 ModelStatistics (net.drewke.tdme.engine.subsystems.object.ModelUtilitiesInternal.ModelStatistics)1 Matrix4x4 (net.drewke.tdme.math.Matrix4x4)1 LevelEditorEntity (net.drewke.tdme.tools.shared.model.LevelEditorEntity)1