////  LocalVoxels.cpp//  libraries/script-engine/src////  Created by Clément Brisset on 2/24/14.//  Copyright 2014 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "LocalVoxels.h" LocalVoxels::LocalVoxels(QString name) :    QObject(NULL),    _name(name),    _tree(new VoxelTree(true)){    LocalVoxelsList::getInstance()->insert(_name, _tree);} LocalVoxels::~LocalVoxels() {    _tree.clear();    LocalVoxelsList::getInstance()->remove(_name);} VoxelDetail LocalVoxels::getVoxelAt(float x, float y, float z, float scale) {    // setup a VoxelDetail struct with the data    VoxelDetail result = {0,0,0,0,0,0,0};    if (_tree) {        _tree->lockForRead();                VoxelTreeElement* voxel = static_cast<VoxelTreeElement*>(_tree->getOctreeElementAt(x / (float)TREE_SCALE,                                                                                           y / (float)TREE_SCALE,                                                                                           z / (float)TREE_SCALE,                                                                                           scale / (float)TREE_SCALE));        _tree->unlock();        if (voxel) {            // Note: these need to be in voxel space because the VoxelDetail -> js converter will upscale            result.x = voxel->getCorner().x;            result.y = voxel->getCorner().y;            result.z = voxel->getCorner().z;            result.s = voxel->getScale();            result.red = voxel->getColor()[RED_INDEX];            result.green = voxel->getColor()[GREEN_INDEX];            result.blue = voxel->getColor()[BLUE_INDEX];        }    }    return result;} void LocalVoxels::setVoxelNonDestructive(float x, float y, float z, float scale,                                         uchar red, uchar green, uchar blue) {    if (_name == DOMAIN_TREE_NAME) {        qDebug() << "LocalVoxels::setVoxelNonDestructive(): Please use the \"Voxels\" interface to modify the domain tree.";        return;    }    if (_tree ) {        _tree->createVoxel(x / (float)TREE_SCALE,                           y / (float)TREE_SCALE,                           z / (float)TREE_SCALE,                           scale / (float)TREE_SCALE,                           red, green, blue, false);    }} void LocalVoxels::setVoxel(float x, float y, float z, float scale,                           uchar red, uchar green, uchar blue) {    if (_name == DOMAIN_TREE_NAME) {        qDebug() << "LocalVoxels::setVoxel(): Please use the \"Voxels\" interface to modify the domain tree.";        return;    }    if (_tree ) {        _tree->createVoxel(x / (float)TREE_SCALE,                           y / (float)TREE_SCALE,                           z / (float)TREE_SCALE,                           scale / (float)TREE_SCALE,                           red, green, blue, true);    }} void LocalVoxels::eraseVoxel(float x, float y, float z, float scale) {    if (_name == DOMAIN_TREE_NAME) {        qDebug() << "LocalVoxels::eraseVoxel(): Please use the \"Voxels\" interface to modify the domain tree.";        return;    }    if (_tree ) {        _tree->deleteVoxelAt(x / (float)TREE_SCALE,                                 y / (float)TREE_SCALE,                                 z / (float)TREE_SCALE,                                 scale / (float)TREE_SCALE);    }} void LocalVoxels::copyTo(float x, float y, float z, float scale, const QString destination) {    if (destination == DOMAIN_TREE_NAME) {        qDebug() << "LocalVoxels::copyTo(): Please use the \"Voxels\" interface to modify the domain tree.";        return;    }    StrongVoxelTreePointer destinationTree = LocalVoxelsList::getInstance()->getTree(destination);    VoxelTreeElement* destinationNode = destinationTree->getVoxelAt(x / (float)TREE_SCALE,                                                                    y / (float)TREE_SCALE,                                                                    z / (float)TREE_SCALE,                                                                    scale / (float)TREE_SCALE);    destinationTree->copyFromTreeIntoSubTree(_tree.data(), destinationNode);} void LocalVoxels::pasteFrom(float x, float y, float z, float scale, const QString source) {    if (_name == DOMAIN_TREE_NAME) {        qDebug() << "LocalVoxels::pasteFrom(): Please use the \"Voxels\" interface to modify the domain tree.";        return;    }    StrongVoxelTreePointer sourceTree = LocalVoxelsList::getInstance()->getTree(source);    VoxelTreeElement* sourceNode = _tree->getVoxelAt(x / (float)TREE_SCALE,                                                     y / (float)TREE_SCALE,                                                     z / (float)TREE_SCALE,                                                     scale / (float)TREE_SCALE);    _tree->copySubTreeIntoNewTree(sourceNode, sourceTree.data(), true);} RayToVoxelIntersectionResult LocalVoxels::findRayIntersection(const PickRay& ray) {    return findRayIntersectionWorker(ray, Octree::TryLock);} RayToVoxelIntersectionResult LocalVoxels::findRayIntersectionBlocking(const PickRay& ray) {    return findRayIntersectionWorker(ray, Octree::Lock);} RayToVoxelIntersectionResult LocalVoxels::findRayIntersectionWorker(const PickRay& ray, Octree::lockType lockType) {    RayToVoxelIntersectionResult result;    if (_tree) {        OctreeElement* element;        result.intersects = _tree->findRayIntersection(ray.origin, ray.direction, element, result.distance, result.face, NULL,                                                                lockType, &result.accurate);        if (result.intersects) {            VoxelTreeElement* voxel = (VoxelTreeElement*)element;            result.voxel.x = voxel->getCorner().x;            result.voxel.y = voxel->getCorner().y;            result.voxel.z = voxel->getCorner().z;            result.voxel.s = voxel->getScale();            result.voxel.red = voxel->getColor()[0];            result.voxel.green = voxel->getColor()[1];            result.voxel.blue = voxel->getColor()[2];            result.intersection = ray.origin + (ray.direction * result.distance);        }    }    return result;} glm::vec3 LocalVoxels::getFaceVector(const QString& face) {    if (face == "MIN_X_FACE") {        return glm::vec3(-1, 0, 0);    } else if (face == "MAX_X_FACE") {        return glm::vec3(1, 0, 0);    } else if (face == "MIN_Y_FACE") {        return glm::vec3(0, -1, 0);    } else if (face == "MAX_Y_FACE") {        return glm::vec3(0, 1, 0);    } else if (face == "MIN_Z_FACE") {        return glm::vec3(0, 0, -1);    } else if (face == "MAX_Z_FACE") {        return glm::vec3(0, 0, 1);    }    return glm::vec3(0, 0, 0); //error case}