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overte-JulianGro/libraries/entities-renderer/src/EntityTreeRenderer.cpp
ericrius1 8d39f9c760 Syntax fixes
2015-10-12 15:02:03 -07:00

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//
// EntityTreeRenderer.cpp
// interface/src
//
// Created by Brad Hefta-Gaub on 12/6/13.
// Copyright 2013 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 <glm/gtx/quaternion.hpp>
#include <QEventLoop>
#include <QScriptSyntaxCheckResult>
#include <AbstractScriptingServicesInterface.h>
#include <AbstractViewStateInterface.h>
#include <DeferredLightingEffect.h>
#include <Model.h>
#include <NetworkAccessManager.h>
#include <PerfStat.h>
#include <SceneScriptingInterface.h>
#include <ScriptEngine.h>
#include <procedural/ProceduralSkybox.h>
#include <TextureCache.h>
#include "EntityTreeRenderer.h"
#include "RenderableEntityItem.h"
#include "RenderableBoxEntityItem.h"
#include "RenderableLightEntityItem.h"
#include "RenderableModelEntityItem.h"
#include "RenderableParticleEffectEntityItem.h"
#include "RenderableSphereEntityItem.h"
#include "RenderableTextEntityItem.h"
#include "RenderableWebEntityItem.h"
#include "RenderableZoneEntityItem.h"
#include "RenderableLineEntityItem.h"
#include "RenderablePolyVoxEntityItem.h"
#include "RenderablePolyLineEntityItem.h"
#include "EntitiesRendererLogging.h"
#include "AddressManager.h"
#include "EntityRig.h"
EntityTreeRenderer::EntityTreeRenderer(bool wantScripts, AbstractViewStateInterface* viewState,
AbstractScriptingServicesInterface* scriptingServices) :
OctreeRenderer(),
_wantScripts(wantScripts),
_entitiesScriptEngine(NULL),
_lastMouseEventValid(false),
_viewState(viewState),
_scriptingServices(scriptingServices),
_displayModelBounds(false),
_dontDoPrecisionPicking(false)
{
REGISTER_ENTITY_TYPE_WITH_FACTORY(Model, RenderableModelEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(Box, RenderableBoxEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(Sphere, RenderableSphereEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(Light, RenderableLightEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(Text, RenderableTextEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(Web, RenderableWebEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(ParticleEffect, RenderableParticleEffectEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(Zone, RenderableZoneEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(Line, RenderableLineEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(PolyVox, RenderablePolyVoxEntityItem::factory)
REGISTER_ENTITY_TYPE_WITH_FACTORY(PolyLine, RenderablePolyLineEntityItem::factory)
_currentHoverOverEntityID = UNKNOWN_ENTITY_ID;
_currentClickingOnEntityID = UNKNOWN_ENTITY_ID;
}
EntityTreeRenderer::~EntityTreeRenderer() {
// NOTE: we don't need to delete _entitiesScriptEngine because it is registered with the application and has a
// signal tied to call it's deleteLater on doneRunning
}
void EntityTreeRenderer::clear() {
leaveAllEntities();
_entitiesScriptEngine->unloadAllEntityScripts();
auto scene = _viewState->getMain3DScene();
render::PendingChanges pendingChanges;
foreach(auto entity, _entitiesInScene) {
entity->removeFromScene(entity, scene, pendingChanges);
}
scene->enqueuePendingChanges(pendingChanges);
_entitiesInScene.clear();
OctreeRenderer::clear();
}
void EntityTreeRenderer::reloadEntityScripts() {
_entitiesScriptEngine->unloadAllEntityScripts();
foreach(auto entity, _entitiesInScene) {
if (!entity->getScript().isEmpty()) {
_entitiesScriptEngine->loadEntityScript(entity->getEntityItemID(), entity->getScript(), true);
}
}
}
void EntityTreeRenderer::init() {
OctreeRenderer::init();
EntityTreePointer entityTree = std::static_pointer_cast<EntityTree>(_tree);
entityTree->setFBXService(this);
if (_wantScripts) {
_entitiesScriptEngine = new ScriptEngine(NO_SCRIPT, "Entities",
_scriptingServices->getControllerScriptingInterface());
_scriptingServices->registerScriptEngineWithApplicationServices(_entitiesScriptEngine);
_entitiesScriptEngine->runInThread();
DependencyManager::get<EntityScriptingInterface>()->setEntitiesScriptEngine(_entitiesScriptEngine);
}
forceRecheckEntities(); // setup our state to force checking our inside/outsideness of entities
connect(entityTree.get(), &EntityTree::deletingEntity, this, &EntityTreeRenderer::deletingEntity, Qt::QueuedConnection);
connect(entityTree.get(), &EntityTree::addingEntity, this, &EntityTreeRenderer::addingEntity, Qt::QueuedConnection);
connect(entityTree.get(), &EntityTree::entityScriptChanging,
this, &EntityTreeRenderer::entitySciptChanging, Qt::QueuedConnection);
}
void EntityTreeRenderer::shutdown() {
_entitiesScriptEngine->disconnect(); // disconnect all slots/signals from the script engine
_shuttingDown = true;
}
void EntityTreeRenderer::setTree(OctreePointer newTree) {
OctreeRenderer::setTree(newTree);
std::static_pointer_cast<EntityTree>(_tree)->setFBXService(this);
}
void EntityTreeRenderer::update() {
if (_tree && !_shuttingDown) {
EntityTreePointer tree = std::static_pointer_cast<EntityTree>(_tree);
tree->update();
// check to see if the avatar has moved and if we need to handle enter/leave entity logic
checkEnterLeaveEntities();
// even if we haven't changed positions, if we previously attempted to set the skybox, but
// have a pending download of the skybox texture, then we should attempt to reapply to
// get the correct texture.
if (_pendingSkyboxTextureDownload) {
applyZonePropertiesToScene(_bestZone);
}
// Even if we're not moving the mouse, if we started clicking on an entity and we have
// not yet released the hold then this is still considered a holdingClickOnEntity event
// and we want to simulate this message here as well as in mouse move
if (_lastMouseEventValid && !_currentClickingOnEntityID.isInvalidID()) {
emit holdingClickOnEntity(_currentClickingOnEntityID, _lastMouseEvent);
_entitiesScriptEngine->callEntityScriptMethod(_currentClickingOnEntityID, "holdingClickOnEntity", _lastMouseEvent);
}
}
deleteReleasedModels();
}
void EntityTreeRenderer::checkEnterLeaveEntities() {
if (_tree && !_shuttingDown) {
glm::vec3 avatarPosition = _viewState->getAvatarPosition();
if (avatarPosition != _lastAvatarPosition) {
float radius = 1.0f; // for now, assume 1 meter radius
QVector<EntityItemPointer> foundEntities;
QVector<EntityItemID> entitiesContainingAvatar;
// find the entities near us
// don't let someone else change our tree while we search
_tree->withReadLock([&] {
std::static_pointer_cast<EntityTree>(_tree)->findEntities(avatarPosition, radius, foundEntities);
// Whenever you're in an intersection between zones, we will always choose the smallest zone.
_bestZone = NULL; // NOTE: Is this what we want?
_bestZoneVolume = std::numeric_limits<float>::max();
// create a list of entities that actually contain the avatar's position
foreach(EntityItemPointer entity, foundEntities) {
if (entity->contains(avatarPosition)) {
entitiesContainingAvatar << entity->getEntityItemID();
// if this entity is a zone, use this time to determine the bestZone
if (entity->getType() == EntityTypes::Zone) {
float entityVolumeEstimate = entity->getVolumeEstimate();
if (entityVolumeEstimate < _bestZoneVolume) {
_bestZoneVolume = entityVolumeEstimate;
_bestZone = std::dynamic_pointer_cast<ZoneEntityItem>(entity);
} else if (entityVolumeEstimate == _bestZoneVolume) {
if (!_bestZone) {
_bestZoneVolume = entityVolumeEstimate;
_bestZone = std::dynamic_pointer_cast<ZoneEntityItem>(entity);
} else {
// in the case of the volume being equal, we will use the
// EntityItemID to deterministically pick one entity over the other
if (entity->getEntityItemID() < _bestZone->getEntityItemID()) {
_bestZoneVolume = entityVolumeEstimate;
_bestZone = std::dynamic_pointer_cast<ZoneEntityItem>(entity);
}
}
}
}
}
}
applyZonePropertiesToScene(_bestZone);
});
// Note: at this point we don't need to worry about the tree being locked, because we only deal with
// EntityItemIDs from here. The callEntityScriptMethod() method is robust against attempting to call scripts
// for entity IDs that no longer exist.
// for all of our previous containing entities, if they are no longer containing then send them a leave event
foreach(const EntityItemID& entityID, _currentEntitiesInside) {
if (!entitiesContainingAvatar.contains(entityID)) {
emit leaveEntity(entityID);
_entitiesScriptEngine->callEntityScriptMethod(entityID, "leaveEntity");
}
}
// for all of our new containing entities, if they weren't previously containing then send them an enter event
foreach(const EntityItemID& entityID, entitiesContainingAvatar) {
if (!_currentEntitiesInside.contains(entityID)) {
emit enterEntity(entityID);
_entitiesScriptEngine->callEntityScriptMethod(entityID, "enterEntity");
}
}
_currentEntitiesInside = entitiesContainingAvatar;
_lastAvatarPosition = avatarPosition;
}
}
}
void EntityTreeRenderer::leaveAllEntities() {
if (_tree && !_shuttingDown) {
// for all of our previous containing entities, if they are no longer containing then send them a leave event
foreach(const EntityItemID& entityID, _currentEntitiesInside) {
emit leaveEntity(entityID);
_entitiesScriptEngine->callEntityScriptMethod(entityID, "leaveEntity");
}
_currentEntitiesInside.clear();
forceRecheckEntities();
}
}
void EntityTreeRenderer::forceRecheckEntities() {
// make sure our "last avatar position" is something other than our current position,
// so that on our next chance, we'll check for enter/leave entity events.
_lastAvatarPosition = _viewState->getAvatarPosition() + glm::vec3((float)TREE_SCALE);
}
void EntityTreeRenderer::applyZonePropertiesToScene(std::shared_ptr<ZoneEntityItem> zone) {
QSharedPointer<SceneScriptingInterface> scene = DependencyManager::get<SceneScriptingInterface>();
if (zone) {
if (!_hasPreviousZone) {
_previousKeyLightColor = scene->getKeyLightColor();
_previousKeyLightIntensity = scene->getKeyLightIntensity();
_previousKeyLightAmbientIntensity = scene->getKeyLightAmbientIntensity();
_previousKeyLightDirection = scene->getKeyLightDirection();
_previousStageSunModelEnabled = scene->isStageSunModelEnabled();
_previousStageLongitude = scene->getStageLocationLongitude();
_previousStageLatitude = scene->getStageLocationLatitude();
_previousStageAltitude = scene->getStageLocationAltitude();
_previousStageHour = scene->getStageDayTime();
_previousStageDay = scene->getStageYearTime();
_hasPreviousZone = true;
}
scene->setKeyLightColor(zone->getKeyLightColorVec3());
scene->setKeyLightIntensity(zone->getKeyLightIntensity());
scene->setKeyLightAmbientIntensity(zone->getKeyLightAmbientIntensity());
scene->setKeyLightDirection(zone->getKeyLightDirection());
scene->setStageSunModelEnable(zone->getStageProperties().getSunModelEnabled());
scene->setStageLocation(zone->getStageProperties().getLongitude(), zone->getStageProperties().getLatitude(),
zone->getStageProperties().getAltitude());
scene->setStageDayTime(zone->getStageProperties().calculateHour());
scene->setStageYearTime(zone->getStageProperties().calculateDay());
if (zone->getBackgroundMode() == BACKGROUND_MODE_ATMOSPHERE) {
EnvironmentData data = zone->getEnvironmentData();
glm::vec3 keyLightDirection = scene->getKeyLightDirection();
glm::vec3 inverseKeyLightDirection = keyLightDirection * -1.0f;
// NOTE: is this right? It seems like the "sun" should be based on the center of the
// atmosphere, not where the camera is.
glm::vec3 keyLightLocation = _viewState->getAvatarPosition()
+ (inverseKeyLightDirection * data.getAtmosphereOuterRadius());
data.setSunLocation(keyLightLocation);
const float KEY_LIGHT_INTENSITY_TO_SUN_BRIGHTNESS_RATIO = 20.0f;
float sunBrightness = scene->getKeyLightIntensity() * KEY_LIGHT_INTENSITY_TO_SUN_BRIGHTNESS_RATIO;
data.setSunBrightness(sunBrightness);
_viewState->overrideEnvironmentData(data);
scene->getSkyStage()->setBackgroundMode(model::SunSkyStage::SKY_DOME);
_pendingSkyboxTextureDownload = false;
} else {
_viewState->endOverrideEnvironmentData();
auto stage = scene->getSkyStage();
if (zone->getBackgroundMode() == BACKGROUND_MODE_SKYBOX) {
auto skybox = std::dynamic_pointer_cast<ProceduralSkybox>(stage->getSkybox());
skybox->setColor(zone->getSkyboxProperties().getColorVec3());
static QString userData;
if (userData != zone->getUserData()) {
userData = zone->getUserData();
ProceduralPointer procedural(new Procedural(userData));
if (procedural->_enabled) {
skybox->setProcedural(procedural);
} else {
skybox->setProcedural(ProceduralPointer());
}
}
if (zone->getSkyboxProperties().getURL().isEmpty()) {
skybox->setCubemap(gpu::TexturePointer());
_pendingSkyboxTextureDownload = false;
} else {
// Update the Texture of the Skybox with the one pointed by this zone
auto cubeMap = DependencyManager::get<TextureCache>()->getTexture(zone->getSkyboxProperties().getURL(), CUBE_TEXTURE);
if (cubeMap->getGPUTexture()) {
skybox->setCubemap(cubeMap->getGPUTexture());
_pendingSkyboxTextureDownload = false;
} else {
_pendingSkyboxTextureDownload = true;
}
}
stage->setBackgroundMode(model::SunSkyStage::SKY_BOX);
} else {
stage->setBackgroundMode(model::SunSkyStage::SKY_DOME); // let the application atmosphere through
_pendingSkyboxTextureDownload = false;
}
}
} else {
_pendingSkyboxTextureDownload = false;
if (_hasPreviousZone) {
scene->setKeyLightColor(_previousKeyLightColor);
scene->setKeyLightIntensity(_previousKeyLightIntensity);
scene->setKeyLightAmbientIntensity(_previousKeyLightAmbientIntensity);
scene->setKeyLightDirection(_previousKeyLightDirection);
scene->setStageSunModelEnable(_previousStageSunModelEnabled);
scene->setStageLocation(_previousStageLongitude, _previousStageLatitude,
_previousStageAltitude);
scene->setStageDayTime(_previousStageHour);
scene->setStageYearTime(_previousStageDay);
_hasPreviousZone = false;
}
_viewState->endOverrideEnvironmentData();
scene->getSkyStage()->setBackgroundMode(model::SunSkyStage::SKY_DOME); // let the application atmosphere through
}
}
const FBXGeometry* EntityTreeRenderer::getGeometryForEntity(EntityItemPointer entityItem) {
const FBXGeometry* result = NULL;
if (entityItem->getType() == EntityTypes::Model) {
std::shared_ptr<RenderableModelEntityItem> modelEntityItem =
std::dynamic_pointer_cast<RenderableModelEntityItem>(entityItem);
assert(modelEntityItem); // we need this!!!
Model* model = modelEntityItem->getModel(this);
if (model) {
result = &model->getGeometry()->getFBXGeometry();
}
}
return result;
}
const Model* EntityTreeRenderer::getModelForEntityItem(EntityItemPointer entityItem) {
const Model* result = NULL;
if (entityItem->getType() == EntityTypes::Model) {
std::shared_ptr<RenderableModelEntityItem> modelEntityItem =
std::dynamic_pointer_cast<RenderableModelEntityItem>(entityItem);
result = modelEntityItem->getModel(this);
}
return result;
}
const FBXGeometry* EntityTreeRenderer::getCollisionGeometryForEntity(EntityItemPointer entityItem) {
const FBXGeometry* result = NULL;
if (entityItem->getType() == EntityTypes::Model) {
std::shared_ptr<RenderableModelEntityItem> modelEntityItem =
std::dynamic_pointer_cast<RenderableModelEntityItem>(entityItem);
if (modelEntityItem->hasCompoundShapeURL()) {
Model* model = modelEntityItem->getModel(this);
if (model) {
const QSharedPointer<NetworkGeometry> collisionNetworkGeometry = model->getCollisionGeometry();
if (collisionNetworkGeometry && collisionNetworkGeometry->isLoaded()) {
result = &collisionNetworkGeometry->getFBXGeometry();
}
}
}
}
return result;
}
float EntityTreeRenderer::getSizeScale() const {
return _viewState->getSizeScale();
}
int EntityTreeRenderer::getBoundaryLevelAdjust() const {
return _viewState->getBoundaryLevelAdjust();
}
void EntityTreeRenderer::processEraseMessage(NLPacket& packet, const SharedNodePointer& sourceNode) {
std::static_pointer_cast<EntityTree>(_tree)->processEraseMessage(packet, sourceNode);
}
Model* EntityTreeRenderer::allocateModel(const QString& url, const QString& collisionUrl) {
Model* model = NULL;
// Make sure we only create and delete models on the thread that owns the EntityTreeRenderer
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "allocateModel", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(Model*, model),
Q_ARG(const QString&, url));
return model;
}
model = new Model(std::make_shared<EntityRig>());
model->init();
model->setURL(QUrl(url));
model->setCollisionModelURL(QUrl(collisionUrl));
return model;
}
Model* EntityTreeRenderer::updateModel(Model* original, const QString& newUrl, const QString& collisionUrl) {
Model* model = NULL;
// The caller shouldn't call us if the URL doesn't need to change. But if they
// do, we just return their original back to them.
if (!original || (QUrl(newUrl) == original->getURL())) {
return original;
}
// Before we do any creating or deleting, make sure we're on our renderer thread
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "updateModel", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(Model*, model),
Q_ARG(Model*, original),
Q_ARG(const QString&, newUrl));
return model;
}
// at this point we know we need to replace the model, and we know we're on the
// correct thread, so we can do all our work.
if (original) {
delete original; // delete the old model...
}
// create the model and correctly initialize it with the new url
model = new Model(std::make_shared<EntityRig>());
model->init();
model->setURL(QUrl(newUrl));
model->setCollisionModelURL(QUrl(collisionUrl));
return model;
}
void EntityTreeRenderer::releaseModel(Model* model) {
// If we're not on the renderer's thread, then remember this model to be deleted later
if (QThread::currentThread() != thread()) {
_releasedModels << model;
} else { // otherwise just delete it right away
delete model;
}
}
void EntityTreeRenderer::deleteReleasedModels() {
if (_releasedModels.size() > 0) {
foreach(Model* model, _releasedModels) {
delete model;
}
_releasedModels.clear();
}
}
RayToEntityIntersectionResult EntityTreeRenderer::findRayIntersectionWorker(const PickRay& ray, Octree::lockType lockType,
bool precisionPicking, const QVector<QUuid>& entityIdsToInclude) {
RayToEntityIntersectionResult result;
if (_tree) {
EntityTreePointer entityTree = std::static_pointer_cast<EntityTree>(_tree);
OctreeElementPointer element;
EntityItemPointer intersectedEntity = NULL;
result.intersects = entityTree->findRayIntersection(ray.origin, ray.direction, element, result.distance,
result.face, result.surfaceNormal, entityIdsToInclude,
(void**)&intersectedEntity, lockType, &result.accurate,
precisionPicking);
if (result.intersects && intersectedEntity) {
result.entityID = intersectedEntity->getEntityItemID();
result.properties = intersectedEntity->getProperties();
result.intersection = ray.origin + (ray.direction * result.distance);
result.entity = intersectedEntity;
}
}
return result;
}
void EntityTreeRenderer::connectSignalsToSlots(EntityScriptingInterface* entityScriptingInterface) {
connect(this, &EntityTreeRenderer::mousePressOnEntity, entityScriptingInterface,
[=](const RayToEntityIntersectionResult& intersection, const QMouseEvent* event, unsigned int deviceId){
entityScriptingInterface->mousePressOnEntity(intersection.entityID, MouseEvent(*event, deviceId));
});
connect(this, &EntityTreeRenderer::mouseMoveOnEntity, entityScriptingInterface,
[=](const RayToEntityIntersectionResult& intersection, const QMouseEvent* event, unsigned int deviceId) {
entityScriptingInterface->mouseMoveOnEntity(intersection.entityID, MouseEvent(*event, deviceId));
});
connect(this, &EntityTreeRenderer::mouseReleaseOnEntity, entityScriptingInterface,
[=](const RayToEntityIntersectionResult& intersection, const QMouseEvent* event, unsigned int deviceId) {
entityScriptingInterface->mouseReleaseOnEntity(intersection.entityID, MouseEvent(*event, deviceId));
});
connect(this, &EntityTreeRenderer::clickDownOnEntity, entityScriptingInterface, &EntityScriptingInterface::clickDownOnEntity);
connect(this, &EntityTreeRenderer::holdingClickOnEntity, entityScriptingInterface, &EntityScriptingInterface::holdingClickOnEntity);
connect(this, &EntityTreeRenderer::clickReleaseOnEntity, entityScriptingInterface, &EntityScriptingInterface::clickReleaseOnEntity);
connect(this, &EntityTreeRenderer::hoverEnterEntity, entityScriptingInterface, &EntityScriptingInterface::hoverEnterEntity);
connect(this, &EntityTreeRenderer::hoverOverEntity, entityScriptingInterface, &EntityScriptingInterface::hoverOverEntity);
connect(this, &EntityTreeRenderer::hoverLeaveEntity, entityScriptingInterface, &EntityScriptingInterface::hoverLeaveEntity);
connect(this, &EntityTreeRenderer::enterEntity, entityScriptingInterface, &EntityScriptingInterface::enterEntity);
connect(this, &EntityTreeRenderer::leaveEntity, entityScriptingInterface, &EntityScriptingInterface::leaveEntity);
connect(this, &EntityTreeRenderer::collisionWithEntity, entityScriptingInterface, &EntityScriptingInterface::collisionWithEntity);
connect(DependencyManager::get<SceneScriptingInterface>().data(), &SceneScriptingInterface::shouldRenderEntitiesChanged, this, &EntityTreeRenderer::updateEntityRenderStatus, Qt::QueuedConnection);
}
void EntityTreeRenderer::mousePressEvent(QMouseEvent* event, unsigned int deviceID) {
// If we don't have a tree, or we're in the process of shutting down, then don't
// process these events.
if (!_tree || _shuttingDown) {
return;
}
PerformanceTimer perfTimer("EntityTreeRenderer::mousePressEvent");
PickRay ray = _viewState->computePickRay(event->x(), event->y());
bool precisionPicking = !_dontDoPrecisionPicking;
RayToEntityIntersectionResult rayPickResult = findRayIntersectionWorker(ray, Octree::Lock, precisionPicking);
if (rayPickResult.intersects) {
//qCDebug(entitiesrenderer) << "mousePressEvent over entity:" << rayPickResult.entityID;
QString urlString = rayPickResult.properties.getHref();
QUrl url = QUrl(urlString, QUrl::StrictMode);
if (url.isValid() && !url.isEmpty()){
DependencyManager::get<AddressManager>()->handleLookupString(urlString);
}
emit mousePressOnEntity(rayPickResult, event, deviceID);
_entitiesScriptEngine->callEntityScriptMethod(rayPickResult.entityID, "mousePressOnEntity", MouseEvent(*event, deviceID));
_currentClickingOnEntityID = rayPickResult.entityID;
emit clickDownOnEntity(_currentClickingOnEntityID, MouseEvent(*event, deviceID));
_entitiesScriptEngine->callEntityScriptMethod(_currentClickingOnEntityID, "clickDownOnEntity", MouseEvent(*event, deviceID));
} else {
emit mousePressOffEntity(rayPickResult, event, deviceID);
}
_lastMouseEvent = MouseEvent(*event, deviceID);
_lastMouseEventValid = true;
}
void EntityTreeRenderer::mouseReleaseEvent(QMouseEvent* event, unsigned int deviceID) {
// If we don't have a tree, or we're in the process of shutting down, then don't
// process these events.
if (!_tree || _shuttingDown) {
return;
}
PerformanceTimer perfTimer("EntityTreeRenderer::mouseReleaseEvent");
PickRay ray = _viewState->computePickRay(event->x(), event->y());
bool precisionPicking = !_dontDoPrecisionPicking;
RayToEntityIntersectionResult rayPickResult = findRayIntersectionWorker(ray, Octree::Lock, precisionPicking);
if (rayPickResult.intersects) {
//qCDebug(entitiesrenderer) << "mouseReleaseEvent over entity:" << rayPickResult.entityID;
emit mouseReleaseOnEntity(rayPickResult, event, deviceID);
_entitiesScriptEngine->callEntityScriptMethod(rayPickResult.entityID, "mouseReleaseOnEntity", MouseEvent(*event, deviceID));
}
// Even if we're no longer intersecting with an entity, if we started clicking on it, and now
// we're releasing the button, then this is considered a clickOn event
if (!_currentClickingOnEntityID.isInvalidID()) {
emit clickReleaseOnEntity(_currentClickingOnEntityID, MouseEvent(*event, deviceID));
_entitiesScriptEngine->callEntityScriptMethod(rayPickResult.entityID, "clickReleaseOnEntity", MouseEvent(*event, deviceID));
}
// makes it the unknown ID, we just released so we can't be clicking on anything
_currentClickingOnEntityID = UNKNOWN_ENTITY_ID;
_lastMouseEvent = MouseEvent(*event, deviceID);
_lastMouseEventValid = true;
}
void EntityTreeRenderer::mouseMoveEvent(QMouseEvent* event, unsigned int deviceID) {
// If we don't have a tree, or we're in the process of shutting down, then don't
// process these events.
if (!_tree || _shuttingDown) {
return;
}
PerformanceTimer perfTimer("EntityTreeRenderer::mouseMoveEvent");
PickRay ray = _viewState->computePickRay(event->x(), event->y());
bool precisionPicking = false; // for mouse moves we do not do precision picking
RayToEntityIntersectionResult rayPickResult = findRayIntersectionWorker(ray, Octree::TryLock, precisionPicking);
if (rayPickResult.intersects) {
_entitiesScriptEngine->callEntityScriptMethod(rayPickResult.entityID, "mouseMoveEvent", MouseEvent(*event, deviceID));
_entitiesScriptEngine->callEntityScriptMethod(rayPickResult.entityID, "mouseMoveOnEntity", MouseEvent(*event, deviceID));
// handle the hover logic...
// if we were previously hovering over an entity, and this new entity is not the same as our previous entity
// then we need to send the hover leave.
if (!_currentHoverOverEntityID.isInvalidID() && rayPickResult.entityID != _currentHoverOverEntityID) {
emit hoverLeaveEntity(_currentHoverOverEntityID, MouseEvent(*event, deviceID));
_entitiesScriptEngine->callEntityScriptMethod(_currentHoverOverEntityID, "hoverLeaveEntity", MouseEvent(*event, deviceID));
}
// If the new hover entity does not match the previous hover entity then we are entering the new one
// this is true if the _currentHoverOverEntityID is known or unknown
if (rayPickResult.entityID != _currentHoverOverEntityID) {
_entitiesScriptEngine->callEntityScriptMethod(rayPickResult.entityID, "hoverEnterEntity", MouseEvent(*event, deviceID));
}
// and finally, no matter what, if we're intersecting an entity then we're definitely hovering over it, and
// we should send our hover over event
emit hoverOverEntity(rayPickResult.entityID, MouseEvent(*event, deviceID));
_entitiesScriptEngine->callEntityScriptMethod(rayPickResult.entityID, "hoverOverEntity", MouseEvent(*event, deviceID));
// remember what we're hovering over
_currentHoverOverEntityID = rayPickResult.entityID;
} else {
// handle the hover logic...
// if we were previously hovering over an entity, and we're no longer hovering over any entity then we need to
// send the hover leave for our previous entity
if (!_currentHoverOverEntityID.isInvalidID()) {
emit hoverLeaveEntity(_currentHoverOverEntityID, MouseEvent(*event, deviceID));
_entitiesScriptEngine->callEntityScriptMethod(_currentHoverOverEntityID, "hoverLeaveEntity", MouseEvent(*event, deviceID));
_currentHoverOverEntityID = UNKNOWN_ENTITY_ID; // makes it the unknown ID
}
}
// Even if we're no longer intersecting with an entity, if we started clicking on an entity and we have
// not yet released the hold then this is still considered a holdingClickOnEntity event
if (!_currentClickingOnEntityID.isInvalidID()) {
emit holdingClickOnEntity(_currentClickingOnEntityID, MouseEvent(*event, deviceID));
_entitiesScriptEngine->callEntityScriptMethod(_currentClickingOnEntityID, "holdingClickOnEntity", MouseEvent(*event, deviceID));
}
_lastMouseEvent = MouseEvent(*event, deviceID);
_lastMouseEventValid = true;
}
void EntityTreeRenderer::deletingEntity(const EntityItemID& entityID) {
if (_tree && !_shuttingDown) {
_entitiesScriptEngine->unloadEntityScript(entityID);
}
forceRecheckEntities(); // reset our state to force checking our inside/outsideness of entities
// here's where we remove the entity payload from the scene
if (_entitiesInScene.contains(entityID)) {
auto entity = _entitiesInScene.take(entityID);
render::PendingChanges pendingChanges;
auto scene = _viewState->getMain3DScene();
entity->removeFromScene(entity, scene, pendingChanges);
scene->enqueuePendingChanges(pendingChanges);
}
}
void EntityTreeRenderer::addingEntity(const EntityItemID& entityID) {
forceRecheckEntities(); // reset our state to force checking our inside/outsideness of entities
checkAndCallPreload(entityID);
auto entity = std::static_pointer_cast<EntityTree>(_tree)->findEntityByID(entityID);
if (entity) {
addEntityToScene(entity);
}
}
void EntityTreeRenderer::addEntityToScene(EntityItemPointer entity) {
// here's where we add the entity payload to the scene
render::PendingChanges pendingChanges;
auto scene = _viewState->getMain3DScene();
if (entity->addToScene(entity, scene, pendingChanges)) {
_entitiesInScene.insert(entity->getEntityItemID(), entity);
}
scene->enqueuePendingChanges(pendingChanges);
}
void EntityTreeRenderer::entitySciptChanging(const EntityItemID& entityID, const bool reload) {
if (_tree && !_shuttingDown) {
_entitiesScriptEngine->unloadEntityScript(entityID);
checkAndCallPreload(entityID, reload);
}
}
void EntityTreeRenderer::checkAndCallPreload(const EntityItemID& entityID, const bool reload) {
if (_tree && !_shuttingDown) {
EntityItemPointer entity = getTree()->findEntityByEntityItemID(entityID);
if (entity && !entity->getScript().isEmpty()) {
QString scriptUrl = entity->getScript();
scriptUrl = ResourceManager::normalizeURL(scriptUrl);
_entitiesScriptEngine->loadEntityScript(entityID, scriptUrl, reload);
}
}
}
void EntityTreeRenderer::playEntityCollisionSound(const QUuid& myNodeID, EntityTreePointer entityTree,
const EntityItemID& id, const Collision& collision) {
EntityItemPointer entity = entityTree->findEntityByEntityItemID(id);
if (!entity) {
return;
}
QUuid simulatorID = entity->getSimulatorID();
if (simulatorID.isNull()) {
// Can be null if it has never moved since being created or coming out of persistence.
// However, for there to be a collission, one of the two objects must be moving.
const EntityItemID& otherID = (id == collision.idA) ? collision.idB : collision.idA;
EntityItemPointer otherEntity = entityTree->findEntityByEntityItemID(otherID);
if (!otherEntity) {
return;
}
simulatorID = otherEntity->getSimulatorID();
}
if (simulatorID.isNull() || (simulatorID != myNodeID)) {
return; // Only one injector per simulation, please.
}
const QString& collisionSoundURL = entity->getCollisionSoundURL();
if (collisionSoundURL.isEmpty()) {
return;
}
const float mass = entity->computeMass();
const float COLLISION_PENETRATION_TO_VELOCITY = 50; // as a subsitute for RELATIVE entity->getVelocity()
// The collision.penetration is a pretty good indicator of changed velocity AFTER the initial contact,
// but that first contact depends on exactly where we hit in the physics step.
// We can get a more consistent initial-contact energy reading by using the changed velocity.
// Note that velocityChange is not a good indicator for continuing collisions, because it does not distinguish
// between bounce and sliding along a surface.
const float linearVelocity = (collision.type == CONTACT_EVENT_TYPE_START) ?
glm::length(collision.velocityChange) :
glm::length(collision.penetration) * COLLISION_PENETRATION_TO_VELOCITY;
const float energy = mass * linearVelocity * linearVelocity / 2.0f;
const glm::vec3 position = collision.contactPoint;
const float COLLISION_ENERGY_AT_FULL_VOLUME = (collision.type == CONTACT_EVENT_TYPE_START) ? 150.0f : 5.0f;
const float COLLISION_MINIMUM_VOLUME = 0.005f;
const float energyFactorOfFull = fmin(1.0f, energy / COLLISION_ENERGY_AT_FULL_VOLUME);
if (energyFactorOfFull < COLLISION_MINIMUM_VOLUME) {
return;
}
// Quiet sound aren't really heard at all, so we can compress everything to the range [1-c, 1], if we play it all.
const float COLLISION_SOUND_COMPRESSION_RANGE = 1.0f; // This section could be removed when the value is 1, but let's see how it goes.
const float volume = (energyFactorOfFull * COLLISION_SOUND_COMPRESSION_RANGE) + (1.0f - COLLISION_SOUND_COMPRESSION_RANGE);
// Shift the pitch down by ln(1 + (size / COLLISION_SIZE_FOR_STANDARD_PITCH)) / ln(2)
const float COLLISION_SIZE_FOR_STANDARD_PITCH = 0.2f;
const float stretchFactor = log(1.0f + (entity->getMinimumAACube().getLargestDimension() / COLLISION_SIZE_FOR_STANDARD_PITCH)) / log(2);
AudioInjector::playSound(collisionSoundURL, volume, stretchFactor, position);
}
void EntityTreeRenderer::entityCollisionWithEntity(const EntityItemID& idA, const EntityItemID& idB,
const Collision& collision) {
// If we don't have a tree, or we're in the process of shutting down, then don't
// process these events.
if (!_tree || _shuttingDown) {
return;
}
// Don't respond to small continuous contacts.
const float COLLISION_MINUMUM_PENETRATION = 0.002f;
if ((collision.type != CONTACT_EVENT_TYPE_START) && (glm::length(collision.penetration) < COLLISION_MINUMUM_PENETRATION)) {
return;
}
// See if we should play sounds
EntityTreePointer entityTree = std::static_pointer_cast<EntityTree>(_tree);
const QUuid& myNodeID = DependencyManager::get<NodeList>()->getSessionUUID();
playEntityCollisionSound(myNodeID, entityTree, idA, collision);
playEntityCollisionSound(myNodeID, entityTree, idB, collision);
// And now the entity scripts
emit collisionWithEntity(idA, idB, collision);
_entitiesScriptEngine->callEntityScriptMethod(idA, "collisionWithEntity", idB, collision);
emit collisionWithEntity(idB, idA, collision);
_entitiesScriptEngine->callEntityScriptMethod(idB, "collisionWithEntity", idA, collision);
}
void EntityTreeRenderer::updateEntityRenderStatus(bool shouldRenderEntities) {
if (DependencyManager::get<SceneScriptingInterface>()->shouldRenderEntities()) {
for (auto entityID : _entityIDsLastInScene) {
addingEntity(entityID);
}
_entityIDsLastInScene.clear();
} else {
_entityIDsLastInScene = _entitiesInScene.keys();
for (auto entityID : _entityIDsLastInScene) {
// FIXME - is this really right? do we want to do the deletingEntity() code or just remove from the scene.
deletingEntity(entityID);
}
}
}
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