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overte/interface/src/avatar/Avatar.cpp

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//
// Avatar.cpp
// interface/src/avatar
//
// Created by Philip Rosedale on 9/11/12.
// 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 <vector>
#include <QDesktopWidget>
#include <QWindow>
#include <glm/glm.hpp>
#include <glm/gtx/quaternion.hpp>
#include <glm/gtx/vector_angle.hpp>
#include <glm/gtc/type_ptr.hpp>
#include <glm/gtx/vector_query.hpp>
#include <DeferredLightingEffect.h>
#include <GeometryUtil.h>
#include <LODManager.h>
#include <NodeList.h>
#include <NumericalConstants.h>
#include <udt/PacketHeaders.h>
#include <PathUtils.h>
#include <PerfStat.h>
#include <SharedUtil.h>
#include <TextRenderer3D.h>
#include <TextureCache.h>
#include "Application.h"
#include "Avatar.h"
#include "AvatarManager.h"
#include "AvatarMotionState.h"
#include "Hand.h"
#include "Head.h"
#include "Menu.h"
#include "ModelReferential.h"
#include "Physics.h"
#include "Recorder.h"
#include "Util.h"
#include "world.h"
#include "InterfaceLogging.h"
#include "EntityRig.h"
using namespace std;
const glm::vec3 DEFAULT_UP_DIRECTION(0.0f, 1.0f, 0.0f);
const int NUM_BODY_CONE_SIDES = 9;
const float CHAT_MESSAGE_SCALE = 0.0015f;
const float CHAT_MESSAGE_HEIGHT = 0.1f;
const float DISPLAYNAME_FADE_TIME = 0.5f;
const float DISPLAYNAME_FADE_FACTOR = pow(0.01f, 1.0f / DISPLAYNAME_FADE_TIME);
const float DISPLAYNAME_ALPHA = 1.0f;
const float DISPLAYNAME_BACKGROUND_ALPHA = 0.4f;
namespace render {
template <> const ItemKey payloadGetKey(const AvatarSharedPointer& avatar) {
return ItemKey::Builder::opaqueShape();
}
template <> const Item::Bound payloadGetBound(const AvatarSharedPointer& avatar) {
return static_pointer_cast<Avatar>(avatar)->getBounds();
}
template <> void payloadRender(const AvatarSharedPointer& avatar, RenderArgs* args) {
auto avatarPtr = static_pointer_cast<Avatar>(avatar);
bool renderLookAtVectors = Menu::getInstance()->isOptionChecked(MenuOption::RenderLookAtVectors);
avatarPtr->setDisplayingLookatVectors(renderLookAtVectors);
if (avatarPtr->isInitialized() && args) {
avatarPtr->render(args, Application::getInstance()->getCamera()->getPosition());
}
}
}
Avatar::Avatar(RigPointer rig) :
AvatarData(),
_skeletonModel(this, nullptr, rig),
_skeletonOffset(0.0f),
_bodyYawDelta(0.0f),
_positionDeltaAccumulator(0.0f),
_lastVelocity(0.0f),
_acceleration(0.0f),
_angularVelocity(0.0f),
_lastAngularVelocity(0.0f),
_angularAcceleration(0.0f),
_lastOrientation(),
_leanScale(0.5f),
_scale(1.0f),
_worldUpDirection(DEFAULT_UP_DIRECTION),
_moving(false),
_initialized(false),
_shouldRenderBillboard(true),
_voiceSphereID(GeometryCache::UNKNOWN_ID)
{
// we may have been created in the network thread, but we live in the main thread
moveToThread(Application::getInstance()->thread());
// give the pointer to our head to inherited _headData variable from AvatarData
_headData = static_cast<HeadData*>(new Head(this));
_handData = static_cast<HandData*>(new Hand(this));
}
Avatar::~Avatar() {
assert(_motionState == nullptr);
for(auto attachment : _unusedAttachments) {
delete attachment;
}
}
const float BILLBOARD_LOD_DISTANCE = 40.0f;
void Avatar::init() {
getHead()->init();
_skeletonModel.init();
_initialized = true;
_shouldRenderBillboard = (getLODDistance() >= BILLBOARD_LOD_DISTANCE);
}
glm::vec3 Avatar::getChestPosition() const {
// for now, let's just assume that the "chest" is halfway between the root and the neck
glm::vec3 neckPosition;
return _skeletonModel.getNeckPosition(neckPosition) ? (_position + neckPosition) * 0.5f : _position;
}
glm::vec3 Avatar::getNeckPosition() const {
glm::vec3 neckPosition;
return _skeletonModel.getNeckPosition(neckPosition) ? neckPosition : _position;
}
glm::quat Avatar::getWorldAlignedOrientation () const {
return computeRotationFromBodyToWorldUp() * getOrientation();
}
AABox Avatar::getBounds() const {
return AABox();
}
float Avatar::getLODDistance() const {
return DependencyManager::get<LODManager>()->getAvatarLODDistanceMultiplier() *
glm::distance(qApp->getCamera()->getPosition(), _position) / _scale;
}
void Avatar::simulate(float deltaTime) {
PerformanceTimer perfTimer("simulate");
// update the avatar's position according to its referential
if (_referential) {
if (_referential->hasExtraData()) {
EntityTree* tree = Application::getInstance()->getEntities()->getTree();
switch (_referential->type()) {
case Referential::MODEL:
_referential = new ModelReferential(_referential,
tree,
this);
break;
case Referential::JOINT:
_referential = new JointReferential(_referential,
tree,
this);
break;
default:
qCDebug(interfaceapp) << "[WARNING] Avatar::simulate(): Unknown referential type.";
break;
}
}
_referential->update();
}
if (_scale != _targetScale) {
setScale(_targetScale);
}
// update the billboard render flag
const float BILLBOARD_HYSTERESIS_PROPORTION = 0.1f;
if (_shouldRenderBillboard) {
if (getLODDistance() < BILLBOARD_LOD_DISTANCE * (1.0f - BILLBOARD_HYSTERESIS_PROPORTION)) {
_shouldRenderBillboard = false;
}
} else if (getLODDistance() > BILLBOARD_LOD_DISTANCE * (1.0f + BILLBOARD_HYSTERESIS_PROPORTION)) {
_shouldRenderBillboard = true;
}
// simple frustum check
float boundingRadius = getBillboardSize();
bool inViewFrustum = Application::getInstance()->getViewFrustum()->sphereInFrustum(_position, boundingRadius) !=
ViewFrustum::OUTSIDE;
{
PerformanceTimer perfTimer("hand");
getHand()->simulate(deltaTime, false);
}
_skeletonModel.setLODDistance(getLODDistance());
if (!_shouldRenderBillboard && inViewFrustum) {
{
PerformanceTimer perfTimer("skeleton");
if (_hasNewJointRotations) {
for (int i = 0; i < _jointData.size(); i++) {
const JointData& data = _jointData.at(i);
_skeletonModel.setJointState(i, data.valid, data.rotation);
}
}
_skeletonModel.simulate(deltaTime, _hasNewJointRotations);
simulateAttachments(deltaTime);
_hasNewJointRotations = false;
}
{
PerformanceTimer perfTimer("head");
glm::vec3 headPosition = _position;
_skeletonModel.getHeadPosition(headPosition);
Head* head = getHead();
head->setPosition(headPosition);
head->setScale(_scale);
head->simulate(deltaTime, false, _shouldRenderBillboard);
}
}
// update animation for display name fade in/out
if ( _displayNameTargetAlpha != _displayNameAlpha) {
// the alpha function is
// Fade out => alpha(t) = factor ^ t => alpha(t+dt) = alpha(t) * factor^(dt)
// Fade in => alpha(t) = 1 - factor^t => alpha(t+dt) = 1-(1-alpha(t))*coef^(dt)
// factor^(dt) = coef
float coef = pow(DISPLAYNAME_FADE_FACTOR, deltaTime);
if (_displayNameTargetAlpha < _displayNameAlpha) {
// Fading out
_displayNameAlpha *= coef;
} else {
// Fading in
_displayNameAlpha = 1 - (1 - _displayNameAlpha) * coef;
}
_displayNameAlpha = abs(_displayNameAlpha - _displayNameTargetAlpha) < 0.01f ? _displayNameTargetAlpha : _displayNameAlpha;
}
// NOTE: we shouldn't extrapolate an Avatar instance forward in time...
// until velocity is included in AvatarData update message.
//_position += _velocity * deltaTime;
measureMotionDerivatives(deltaTime);
}
void Avatar::slamPosition(const glm::vec3& newPosition) {
AvatarData::setPosition(newPosition);
_positionDeltaAccumulator = glm::vec3(0.0f);
_velocity = glm::vec3(0.0f);
_lastVelocity = glm::vec3(0.0f);
}
void Avatar::applyPositionDelta(const glm::vec3& delta) {
_position += delta;
_positionDeltaAccumulator += delta;
}
void Avatar::measureMotionDerivatives(float deltaTime) {
// linear
float invDeltaTime = 1.0f / deltaTime;
// Floating point error prevents us from computing velocity in a naive way
// (e.g. vel = (pos - oldPos) / dt) so instead we use _positionOffsetAccumulator.
_velocity = _positionDeltaAccumulator * invDeltaTime;
_positionDeltaAccumulator = glm::vec3(0.0f);
_acceleration = (_velocity - _lastVelocity) * invDeltaTime;
_lastVelocity = _velocity;
// angular
glm::quat orientation = getOrientation();
glm::quat delta = glm::inverse(_lastOrientation) * orientation;
_angularVelocity = safeEulerAngles(delta) * invDeltaTime;
_angularAcceleration = (_angularVelocity - _lastAngularVelocity) * invDeltaTime;
_lastOrientation = getOrientation();
}
enum TextRendererType {
CHAT,
DISPLAYNAME
};
static TextRenderer3D* textRenderer(TextRendererType type) {
static TextRenderer3D* chatRenderer = TextRenderer3D::getInstance(SANS_FONT_FAMILY, -1,
false, SHADOW_EFFECT);
static TextRenderer3D* displayNameRenderer = TextRenderer3D::getInstance(SANS_FONT_FAMILY);
switch(type) {
case CHAT:
return chatRenderer;
case DISPLAYNAME:
return displayNameRenderer;
}
return displayNameRenderer;
}
bool Avatar::addToScene(AvatarSharedPointer self, std::shared_ptr<render::Scene> scene, render::PendingChanges& pendingChanges) {
auto avatarPayload = new render::Payload<AvatarData>(self);
auto avatarPayloadPointer = Avatar::PayloadPointer(avatarPayload);
_renderItemID = scene->allocateID();
pendingChanges.resetItem(_renderItemID, avatarPayloadPointer);
_skeletonModel.addToScene(scene, pendingChanges);
getHead()->getFaceModel().addToScene(scene, pendingChanges);
for (auto attachmentModel : _attachmentModels) {
attachmentModel->addToScene(scene, pendingChanges);
}
return true;
}
void Avatar::removeFromScene(AvatarSharedPointer self, std::shared_ptr<render::Scene> scene, render::PendingChanges& pendingChanges) {
pendingChanges.removeItem(_renderItemID);
_skeletonModel.removeFromScene(scene, pendingChanges);
getHead()->getFaceModel().removeFromScene(scene, pendingChanges);
for (auto attachmentModel : _attachmentModels) {
attachmentModel->removeFromScene(scene, pendingChanges);
}
}
void Avatar::render(RenderArgs* renderArgs, const glm::vec3& cameraPosition, bool postLighting) {
if (_referential) {
_referential->update();
}
auto& batch = *renderArgs->_batch;
if (postLighting &&
glm::distance(DependencyManager::get<AvatarManager>()->getMyAvatar()->getPosition(), _position) < 10.0f) {
auto geometryCache = DependencyManager::get<GeometryCache>();
auto deferredLighting = DependencyManager::get<DeferredLightingEffect>();
// render pointing lasers
glm::vec3 laserColor = glm::vec3(1.0f, 0.0f, 1.0f);
float laserLength = 50.0f;
glm::vec3 position;
glm::quat rotation;
bool havePosition, haveRotation;
if (_handState & LEFT_HAND_POINTING_FLAG) {
if (_handState & IS_FINGER_POINTING_FLAG) {
int leftIndexTip = getJointIndex("LeftHandIndex4");
int leftIndexTipJoint = getJointIndex("LeftHandIndex3");
havePosition = _skeletonModel.getJointPositionInWorldFrame(leftIndexTip, position);
haveRotation = _skeletonModel.getJointRotationInWorldFrame(leftIndexTipJoint, rotation);
} else {
int leftHand = _skeletonModel.getLeftHandJointIndex();
havePosition = _skeletonModel.getJointPositionInWorldFrame(leftHand, position);
haveRotation = _skeletonModel.getJointRotationInWorldFrame(leftHand, rotation);
}
if (havePosition && haveRotation) {
Transform pointerTransform;
pointerTransform.setTranslation(position);
pointerTransform.setRotation(rotation);
batch.setModelTransform(pointerTransform);
deferredLighting->bindSimpleProgram(batch);
geometryCache->renderLine(batch, glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, laserLength, 0.0f), laserColor);
}
}
if (_handState & RIGHT_HAND_POINTING_FLAG) {
if (_handState & IS_FINGER_POINTING_FLAG) {
int rightIndexTip = getJointIndex("RightHandIndex4");
int rightIndexTipJoint = getJointIndex("RightHandIndex3");
havePosition = _skeletonModel.getJointPositionInWorldFrame(rightIndexTip, position);
haveRotation = _skeletonModel.getJointRotationInWorldFrame(rightIndexTipJoint, rotation);
} else {
int rightHand = _skeletonModel.getRightHandJointIndex();
havePosition = _skeletonModel.getJointPositionInWorldFrame(rightHand, position);
haveRotation = _skeletonModel.getJointRotationInWorldFrame(rightHand, rotation);
}
if (havePosition && haveRotation) {
Transform pointerTransform;
pointerTransform.setTranslation(position);
pointerTransform.setRotation(rotation);
batch.setModelTransform(pointerTransform);
deferredLighting->bindSimpleProgram(batch);
geometryCache->renderLine(batch, glm::vec3(0.0f, 0.0f, 0.0f), glm::vec3(0.0f, laserLength, 0.0f), laserColor);
}
}
}
// simple frustum check
float boundingRadius = getBillboardSize();
ViewFrustum* frustum = nullptr;
if (renderArgs->_renderMode == RenderArgs::SHADOW_RENDER_MODE) {
frustum = Application::getInstance()->getShadowViewFrustum();
} else {
frustum = Application::getInstance()->getDisplayViewFrustum();
}
if (frustum->sphereInFrustum(getPosition(), boundingRadius) == ViewFrustum::OUTSIDE) {
return;
}
glm::vec3 toTarget = cameraPosition - getPosition();
float distanceToTarget = glm::length(toTarget);
{
// glow when moving far away
const float GLOW_DISTANCE = 20.0f;
const float GLOW_MAX_LOUDNESS = 2500.0f;
const float MAX_GLOW = 0.5f;
float GLOW_FROM_AVERAGE_LOUDNESS = ((this == DependencyManager::get<AvatarManager>()->getMyAvatar())
? 0.0f
: MAX_GLOW * getHeadData()->getAudioLoudness() / GLOW_MAX_LOUDNESS);
GLOW_FROM_AVERAGE_LOUDNESS = 0.0f;
float glowLevel = _moving && distanceToTarget > GLOW_DISTANCE && renderArgs->_renderMode == RenderArgs::NORMAL_RENDER_MODE
? 1.0f
: GLOW_FROM_AVERAGE_LOUDNESS;
// render body
renderBody(renderArgs, frustum, postLighting, glowLevel);
if (!postLighting && renderArgs->_renderMode != RenderArgs::SHADOW_RENDER_MODE) {
// add local lights
const float BASE_LIGHT_DISTANCE = 2.0f;
const float LIGHT_EXPONENT = 1.0f;
const float LIGHT_CUTOFF = glm::radians(80.0f);
float distance = BASE_LIGHT_DISTANCE * _scale;
glm::vec3 position = glm::mix(_skeletonModel.getTranslation(), getHead()->getFaceModel().getTranslation(), 0.9f);
glm::quat orientation = getOrientation();
foreach (const AvatarManager::LocalLight& light, DependencyManager::get<AvatarManager>()->getLocalLights()) {
glm::vec3 direction = orientation * light.direction;
DependencyManager::get<DeferredLightingEffect>()->addSpotLight(position - direction * distance,
distance * 2.0f, light.color, 0.5f, orientation, LIGHT_EXPONENT, LIGHT_CUTOFF);
}
}
if (postLighting) {
bool renderSkeleton = Menu::getInstance()->isOptionChecked(MenuOption::RenderSkeletonCollisionShapes);
bool renderHead = Menu::getInstance()->isOptionChecked(MenuOption::RenderHeadCollisionShapes);
bool renderBounding = Menu::getInstance()->isOptionChecked(MenuOption::RenderBoundingCollisionShapes);
if (renderSkeleton) {
_skeletonModel.renderJointCollisionShapes(0.7f);
}
if (renderHead && shouldRenderHead(renderArgs)) {
getHead()->getFaceModel().renderJointCollisionShapes(0.7f);
}
if (renderBounding && shouldRenderHead(renderArgs)) {
_skeletonModel.renderBoundingCollisionShapes(*renderArgs->_batch, 0.7f);
}
}
// Stack indicator spheres
float indicatorOffset = 0.0f;
if (!_displayName.isEmpty() && _displayNameAlpha != 0.0f) {
const float DISPLAY_NAME_INDICATOR_OFFSET = 0.22f;
indicatorOffset = DISPLAY_NAME_INDICATOR_OFFSET;
}
const float INDICATOR_RADIUS = 0.03f;
const float INDICATOR_INDICATOR_OFFSET = 3.0f * INDICATOR_RADIUS;
// If this is the avatar being looked at, render a little ball above their head
if (_isLookAtTarget && Menu::getInstance()->isOptionChecked(MenuOption::RenderFocusIndicator)) {
const glm::vec4 LOOK_AT_INDICATOR_COLOR = { 0.8f, 0.0f, 0.0f, 0.75f };
glm::vec3 position = glm::vec3(_position.x, getDisplayNamePosition().y + indicatorOffset, _position.z);
Transform transform;
transform.setTranslation(position);
batch.setModelTransform(transform);
DependencyManager::get<DeferredLightingEffect>()->renderSolidSphere(batch, INDICATOR_RADIUS,
15, 15, LOOK_AT_INDICATOR_COLOR);
indicatorOffset += INDICATOR_INDICATOR_OFFSET;
}
// If the avatar is looking at me, render an indication that they area
if (getHead()->getIsLookingAtMe() && Menu::getInstance()->isOptionChecked(MenuOption::ShowWhosLookingAtMe)) {
const glm::vec4 LOOKING_AT_ME_COLOR = { 0.8f, 0.65f, 0.0f, 0.1f };
glm::vec3 position = glm::vec3(_position.x, getDisplayNamePosition().y + indicatorOffset, _position.z);
Transform transform;
transform.setTranslation(position);
batch.setModelTransform(transform);
DependencyManager::get<DeferredLightingEffect>()->renderSolidSphere(batch, INDICATOR_RADIUS,
15, 15, LOOKING_AT_ME_COLOR);
}
// quick check before falling into the code below:
// (a 10 degree breadth of an almost 2 meter avatar kicks in at about 12m)
const float MIN_VOICE_SPHERE_DISTANCE = 12.0f;
if (Menu::getInstance()->isOptionChecked(MenuOption::BlueSpeechSphere)
&& distanceToTarget > MIN_VOICE_SPHERE_DISTANCE) {
// render voice intensity sphere for avatars that are farther away
const float MAX_SPHERE_ANGLE = 10.0f * RADIANS_PER_DEGREE;
const float MIN_SPHERE_ANGLE = 0.5f * RADIANS_PER_DEGREE;
const float MIN_SPHERE_SIZE = 0.01f;
const float SPHERE_LOUDNESS_SCALING = 0.0005f;
const float SPHERE_COLOR[] = { 0.5f, 0.8f, 0.8f };
float height = getSkeletonHeight();
glm::vec3 delta = height * (getHead()->getCameraOrientation() * IDENTITY_UP) / 2.0f;
float angle = abs(angleBetween(toTarget + delta, toTarget - delta));
float sphereRadius = getHead()->getAverageLoudness() * SPHERE_LOUDNESS_SCALING;
if (renderArgs->_renderMode == RenderArgs::DEFAULT_RENDER_MODE && (sphereRadius > MIN_SPHERE_SIZE) &&
(angle < MAX_SPHERE_ANGLE) && (angle > MIN_SPHERE_ANGLE)) {
Transform transform;
transform.setTranslation(_position);
transform.setScale(height);
batch.setModelTransform(transform);
if (_voiceSphereID == GeometryCache::UNKNOWN_ID) {
_voiceSphereID = DependencyManager::get<GeometryCache>()->allocateID();
}
DependencyManager::get<DeferredLightingEffect>()->bindSimpleProgram(batch);
DependencyManager::get<GeometryCache>()->renderSphere(batch, sphereRadius, 15, 15,
glm::vec4(SPHERE_COLOR[0], SPHERE_COLOR[1], SPHERE_COLOR[2], 1.0f - angle / MAX_SPHERE_ANGLE), true,
_voiceSphereID);
}
}
}
const float DISPLAYNAME_DISTANCE = 20.0f;
setShowDisplayName(distanceToTarget < DISPLAYNAME_DISTANCE);
auto cameraMode = Application::getInstance()->getCamera()->getMode();
if (!isMyAvatar() || cameraMode != CAMERA_MODE_FIRST_PERSON) {
renderDisplayName(batch, *renderArgs->_viewFrustum, renderArgs->_viewport);
}
}
glm::quat Avatar::computeRotationFromBodyToWorldUp(float proportion) const {
glm::quat orientation = getOrientation();
glm::vec3 currentUp = orientation * IDENTITY_UP;
float angle = acosf(glm::clamp(glm::dot(currentUp, _worldUpDirection), -1.0f, 1.0f));
if (angle < EPSILON) {
return glm::quat();
}
glm::vec3 axis;
if (angle > 179.99f * RADIANS_PER_DEGREE) { // 180 degree rotation; must use another axis
axis = orientation * IDENTITY_RIGHT;
} else {
axis = glm::normalize(glm::cross(currentUp, _worldUpDirection));
}
return glm::angleAxis(angle * proportion, axis);
}
void Avatar::fixupModelsInScene() {
// check to see if when we added our models to the scene they were ready, if they were not ready, then
// fix them up in the scene
render::ScenePointer scene = Application::getInstance()->getMain3DScene();
render::PendingChanges pendingChanges;
if (_skeletonModel.needsFixupInScene()) {
_skeletonModel.removeFromScene(scene, pendingChanges);
_skeletonModel.addToScene(scene, pendingChanges);
}
if (getHead()->getFaceModel().needsFixupInScene()) {
getHead()->getFaceModel().removeFromScene(scene, pendingChanges);
getHead()->getFaceModel().addToScene(scene, pendingChanges);
}
for (auto attachmentModel : _attachmentModels) {
if (attachmentModel->needsFixupInScene()) {
attachmentModel->removeFromScene(scene, pendingChanges);
attachmentModel->addToScene(scene, pendingChanges);
}
}
for (auto attachmentModelToRemove : _attachmentsToRemove) {
attachmentModelToRemove->removeFromScene(scene, pendingChanges);
_unusedAttachments << attachmentModelToRemove;
}
_attachmentsToRemove.clear();
scene->enqueuePendingChanges(pendingChanges);
}
void Avatar::renderBody(RenderArgs* renderArgs, ViewFrustum* renderFrustum, bool postLighting, float glowLevel) {
fixupModelsInScene();
{
if (_shouldRenderBillboard || !(_skeletonModel.isRenderable() && getHead()->getFaceModel().isRenderable())) {
if (postLighting || renderArgs->_renderMode == RenderArgs::SHADOW_RENDER_MODE) {
// render the billboard until both models are loaded
renderBillboard(renderArgs);
}
return;
}
if (postLighting) {
getHand()->render(renderArgs, false);
}
}
getHead()->render(renderArgs, 1.0f, renderFrustum, postLighting);
}
bool Avatar::shouldRenderHead(const RenderArgs* renderArgs) const {
return true;
}
void Avatar::simulateAttachments(float deltaTime) {
for (int i = 0; i < _attachmentModels.size(); i++) {
const AttachmentData& attachment = _attachmentData.at(i);
Model* model = _attachmentModels.at(i);
int jointIndex = getJointIndex(attachment.jointName);
glm::vec3 jointPosition;
glm::quat jointRotation;
if (!isMyAvatar()) {
model->setLODDistance(getLODDistance());
}
if (_skeletonModel.getJointPositionInWorldFrame(jointIndex, jointPosition) &&
_skeletonModel.getJointCombinedRotation(jointIndex, jointRotation)) {
model->setTranslation(jointPosition + jointRotation * attachment.translation * _scale);
model->setRotation(jointRotation * attachment.rotation);
model->setScaleToFit(true, _scale * attachment.scale, true); // hack to force rescale
model->setSnapModelToCenter(false); // hack to force resnap
model->setSnapModelToCenter(true);
model->simulate(deltaTime);
}
}
}
void Avatar::updateJointMappings() {
// no-op; joint mappings come from skeleton model
}
void Avatar::renderBillboard(RenderArgs* renderArgs) {
if (_billboard.isEmpty()) {
return;
}
if (!_billboardTexture) {
// Using a unique URL ensures we don't get another avatar's texture from TextureCache
QUrl uniqueUrl = QUrl(QUuid::createUuid().toString());
_billboardTexture = DependencyManager::get<TextureCache>()->getTexture(
uniqueUrl, DEFAULT_TEXTURE, false, _billboard);
}
if (!_billboardTexture || !_billboardTexture->isLoaded()) {
return;
}
// rotate about vertical to face the camera
glm::quat rotation = getOrientation();
glm::vec3 cameraVector = glm::inverse(rotation) * (Application::getInstance()->getCamera()->getPosition() - _position);
rotation = rotation * glm::angleAxis(atan2f(-cameraVector.x, -cameraVector.z), glm::vec3(0.0f, 1.0f, 0.0f));
// compute the size from the billboard camera parameters and scale
float size = getBillboardSize();
Transform transform;
transform.setTranslation(_position);
transform.setRotation(rotation);
transform.setScale(size);
glm::vec2 topLeft(-1.0f, -1.0f);
glm::vec2 bottomRight(1.0f, 1.0f);
glm::vec2 texCoordTopLeft(0.0f, 0.0f);
glm::vec2 texCoordBottomRight(1.0f, 1.0f);
gpu::Batch& batch = *renderArgs->_batch;
batch.setResourceTexture(0, _billboardTexture->getGPUTexture());
DependencyManager::get<DeferredLightingEffect>()->bindSimpleProgram(batch, true);
DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight,
glm::vec4(1.0f, 1.0f, 1.0f, 1.0f));
}
float Avatar::getBillboardSize() const {
return _scale * BILLBOARD_DISTANCE * tanf(glm::radians(BILLBOARD_FIELD_OF_VIEW / 2.0f));
}
glm::vec3 Avatar::getDisplayNamePosition() const {
glm::vec3 namePosition(0.0f);
if (getSkeletonModel().getNeckPosition(namePosition)) {
namePosition += getBodyUpDirection() * getHeadHeight() * 1.1f;
} else {
const float HEAD_PROPORTION = 0.75f;
namePosition = _position + getBodyUpDirection() * (getBillboardSize() * HEAD_PROPORTION);
}
return namePosition;
}
Transform Avatar::calculateDisplayNameTransform(const ViewFrustum& frustum, float fontSize, const glm::ivec4& viewport) const {
Transform result;
// We assume textPosition is whithin the frustum
glm::vec3 textPosition = getDisplayNamePosition();
// Compute viewProjection matrix
glm::mat4 projMat, viewMat;
Transform view;
frustum.evalProjectionMatrix(projMat);
frustum.evalViewTransform(view);
glm::mat4 viewProj = projMat * view.getInverseMatrix(viewMat);
// Used to determine correct scale
glm::vec3 testPoint0 = textPosition;
glm::vec3 testPoint1 = testPoint0 + glm::normalize(frustum.getUp());
// testPoints projections
glm::vec4 p0 = viewProj * glm::vec4(testPoint0, 1.0);
glm::vec4 p1 = viewProj * glm::vec4(testPoint1, 1.0);
float windowSizeY = viewport.w;
const float DESIRED_HIGHT_ON_SCREEN = 20; // In pixels (this is double on retinas)
// Projected point are between -1.0f and 1.0f, hence 0.5f * windowSizeY
float pixelHeight = 0.5f * windowSizeY * glm::abs((p1.y / p1.w) - (p0.y / p0.w)); //
// Handles pixel density (especially for macs retina displays)
float devicePixelRatio = (float)qApp->getDevicePixelRatio() * qApp->getRenderResolutionScale(); // pixels / unit
// Compute correct scale to apply
float scale = DESIRED_HIGHT_ON_SCREEN / (fontSize * pixelHeight) * devicePixelRatio;
// Compute pixel alignment offset
float clipToPix = 0.5f * windowSizeY / p1.w; // Got from clip to pixel coordinates
glm::vec4 screenPos = clipToPix * p1; // in pixels coords
glm::vec4 screenOffset = (glm::round(screenPos) - screenPos) / clipToPix; // in clip coords
glm::vec3 worldOffset = glm::vec3(screenOffset.x, screenOffset.y, 0.0f) / (float)pixelHeight;
// Compute orientation
glm::vec3 dPosition = frustum.getPosition() - getPosition();
// If x and z are 0, atan(x, z) is undefined, so default to 0 degrees
float yawRotation = dPosition.x == 0.0f && dPosition.z == 0.0f ? 0.0f : glm::atan(dPosition.x, dPosition.z);
glm::quat orientation = glm::quat(glm::vec3(0.0f, yawRotation, 0.0f));
// Set transform (The order IS important)
result.setTranslation(textPosition);
result.setRotation(orientation); // Always face the screen
result.postTranslate(worldOffset); // Pixel alignment
result.setScale(scale);
return result;
}
void Avatar::renderDisplayName(gpu::Batch& batch, const ViewFrustum& frustum, const glm::ivec4& viewport) const {
bool shouldShowReceiveStats = DependencyManager::get<AvatarManager>()->shouldShowReceiveStats() && !isMyAvatar();
// If we have nothing to draw, or it's tottaly transparent, return
if ((_displayName.isEmpty() && !shouldShowReceiveStats) || _displayNameAlpha == 0.0f) {
return;
}
auto renderer = textRenderer(DISPLAYNAME);
// optionally render timing stats for this avatar with the display name
QString renderedDisplayName = _displayName;
if (shouldShowReceiveStats) {
float kilobitsPerSecond = getAverageBytesReceivedPerSecond() / (float) BYTES_PER_KILOBIT;
QString statsFormat = QString("(%1 Kbps, %2 Hz)");
if (!renderedDisplayName.isEmpty()) {
statsFormat.prepend(" - ");
}
renderedDisplayName += statsFormat.arg(QString::number(kilobitsPerSecond, 'f', 2)).arg(getReceiveRate());
}
// Compute display name extent/position offset
glm::vec2 extent = renderer->computeExtent(renderedDisplayName);
QRect nameDynamicRect = QRect(0, 0, (int)extent.x, (int)extent.y);
const int text_x = -nameDynamicRect.width() / 2;
const int text_y = -nameDynamicRect.height() / 2;
// Compute background position/size
static const float SLIGHTLY_IN_FRONT = 0.1f;
const int border = 0.1f * nameDynamicRect.height();
const int left = text_x - border;
const int bottom = text_y - border;
const int width = nameDynamicRect.width() + 2.0f * border;
const int height = nameDynamicRect.height() + 2.0f * border;
const int bevelDistance = 0.1f * height;
// Display name and background colors
glm::vec4 textColor(0.93f, 0.93f, 0.93f, _displayNameAlpha);
glm::vec4 backgroundColor(0.2f, 0.2f, 0.2f,
(_displayNameAlpha / DISPLAYNAME_ALPHA) * DISPLAYNAME_BACKGROUND_ALPHA);
// Compute display name transform
auto textTransform = calculateDisplayNameTransform(frustum, renderer->getFontSize(), viewport);
batch.setModelTransform(textTransform);
DependencyManager::get<DeferredLightingEffect>()->bindSimpleProgram(batch, false, true, true, true);
DependencyManager::get<GeometryCache>()->renderBevelCornersRect(batch, left, bottom, width, height,
bevelDistance, backgroundColor);
// Render actual name
QByteArray nameUTF8 = renderedDisplayName.toLocal8Bit();
// Render text slightly in front to avoid z-fighting
textTransform.postTranslate(glm::vec3(0.0f, 0.0f, SLIGHTLY_IN_FRONT * renderer->getFontSize()));
batch.setModelTransform(textTransform);
renderer->draw(batch, text_x, -text_y, nameUTF8.data(), textColor);
}
bool Avatar::findRayIntersection(RayIntersectionInfo& intersection) const {
bool hit = _skeletonModel.findRayIntersection(intersection);
hit = getHead()->getFaceModel().findRayIntersection(intersection) || hit;
return hit;
}
bool Avatar::findSphereCollisions(const glm::vec3& penetratorCenter, float penetratorRadius, CollisionList& collisions) {
return _skeletonModel.findSphereCollisions(penetratorCenter, penetratorRadius, collisions);
// TODO: Andrew to fix: Temporarily disabling collisions against the head
//return getHead()->getFaceModel().findSphereCollisions(penetratorCenter, penetratorRadius, collisions);
}
bool Avatar::findPlaneCollisions(const glm::vec4& plane, CollisionList& collisions) {
return _skeletonModel.findPlaneCollisions(plane, collisions) ||
getHead()->getFaceModel().findPlaneCollisions(plane, collisions);
}
bool Avatar::findCollisions(const QVector<const Shape*>& shapes, CollisionList& collisions) {
// TODO: Andrew to fix: also collide against _skeleton
//bool collided = _skeletonModel.findCollisions(shapes, collisions);
Model& headModel = getHead()->getFaceModel();
//collided = headModel.findCollisions(shapes, collisions) || collided;
bool collided = headModel.findCollisions(shapes, collisions);
return collided;
}
void Avatar::setSkeletonOffset(const glm::vec3& offset) {
const float MAX_OFFSET_LENGTH = _scale * 0.5f;
float offsetLength = glm::length(offset);
if (offsetLength > MAX_OFFSET_LENGTH) {
_skeletonOffset = (MAX_OFFSET_LENGTH / offsetLength) * offset;
} else {
_skeletonOffset = offset;
}
}
glm::vec3 Avatar::getSkeletonPosition() const {
// The avatar is rotated PI about the yAxis, so we have to correct for it
// to get the skeleton offset contribution in the world-frame.
const glm::quat FLIP = glm::angleAxis(PI, glm::vec3(0.0f, 1.0f, 0.0f));
return _position + getOrientation() * FLIP * _skeletonOffset;
}
QVector<glm::quat> Avatar::getJointRotations() const {
if (QThread::currentThread() != thread()) {
return AvatarData::getJointRotations();
}
QVector<glm::quat> jointRotations(_skeletonModel.getJointStateCount());
for (int i = 0; i < _skeletonModel.getJointStateCount(); ++i) {
_skeletonModel.getJointState(i, jointRotations[i]);
}
return jointRotations;
}
glm::quat Avatar::getJointRotation(int index) const {
if (QThread::currentThread() != thread()) {
return AvatarData::getJointRotation(index);
}
glm::quat rotation;
_skeletonModel.getJointState(index, rotation);
return rotation;
}
int Avatar::getJointIndex(const QString& name) const {
if (QThread::currentThread() != thread()) {
int result;
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "getJointIndex", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(int, result), Q_ARG(const QString&, name));
return result;
}
return _skeletonModel.isActive() ? _skeletonModel.getGeometry()->getFBXGeometry().getJointIndex(name) : -1;
}
QStringList Avatar::getJointNames() const {
if (QThread::currentThread() != thread()) {
QStringList result;
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "getJointNames", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(QStringList, result));
return result;
}
return _skeletonModel.isActive() ? _skeletonModel.getGeometry()->getFBXGeometry().getJointNames() : QStringList();
}
glm::vec3 Avatar::getJointPosition(int index) const {
if (QThread::currentThread() != thread()) {
glm::vec3 position;
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "getJointPosition", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(glm::vec3, position), Q_ARG(const int, index));
return position;
}
glm::vec3 position;
_skeletonModel.getJointPositionInWorldFrame(index, position);
return position;
}
glm::vec3 Avatar::getJointPosition(const QString& name) const {
if (QThread::currentThread() != thread()) {
glm::vec3 position;
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "getJointPosition", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(glm::vec3, position), Q_ARG(const QString&, name));
return position;
}
glm::vec3 position;
_skeletonModel.getJointPositionInWorldFrame(getJointIndex(name), position);
return position;
}
glm::quat Avatar::getJointCombinedRotation(int index) const {
if (QThread::currentThread() != thread()) {
glm::quat rotation;
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "getJointCombinedRotation", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(glm::quat, rotation), Q_ARG(const int, index));
return rotation;
}
glm::quat rotation;
_skeletonModel.getJointCombinedRotation(index, rotation);
return rotation;
}
glm::quat Avatar::getJointCombinedRotation(const QString& name) const {
if (QThread::currentThread() != thread()) {
glm::quat rotation;
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "getJointCombinedRotation", Qt::BlockingQueuedConnection,
Q_RETURN_ARG(glm::quat, rotation), Q_ARG(const QString&, name));
return rotation;
}
glm::quat rotation;
_skeletonModel.getJointCombinedRotation(getJointIndex(name), rotation);
return rotation;
}
const float SCRIPT_PRIORITY = DEFAULT_PRIORITY + 1.0f;
void Avatar::setJointModelPositionAndOrientation(int index, glm::vec3 position, const glm::quat& rotation) {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "setJointModelPositionAndOrientation",
Qt::AutoConnection, Q_ARG(const int, index), Q_ARG(const glm::vec3, position),
Q_ARG(const glm::quat&, rotation));
} else {
_skeletonModel.inverseKinematics(index, position, rotation, SCRIPT_PRIORITY);
}
}
void Avatar::setJointModelPositionAndOrientation(const QString& name, glm::vec3 position, const glm::quat& rotation) {
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(const_cast<Avatar*>(this), "setJointModelPositionAndOrientation",
Qt::AutoConnection, Q_ARG(const QString&, name), Q_ARG(const glm::vec3, position),
Q_ARG(const glm::quat&, rotation));
} else {
_skeletonModel.inverseKinematics(getJointIndex(name), position, rotation, SCRIPT_PRIORITY);
}
}
void Avatar::scaleVectorRelativeToPosition(glm::vec3 &positionToScale) const {
//Scale a world space vector as if it was relative to the position
positionToScale = _position + _scale * (positionToScale - _position);
}
void Avatar::setFaceModelURL(const QUrl& faceModelURL) {
AvatarData::setFaceModelURL(faceModelURL);
const QUrl DEFAULT_FACE_MODEL_URL = QUrl::fromLocalFile(PathUtils::resourcesPath() + "meshes/defaultAvatar_head.fst");
getHead()->getFaceModel().setURL(_faceModelURL, DEFAULT_FACE_MODEL_URL, true, !isMyAvatar());
}
void Avatar::setSkeletonModelURL(const QUrl& skeletonModelURL) {
AvatarData::setSkeletonModelURL(skeletonModelURL);
const QUrl DEFAULT_SKELETON_MODEL_URL = QUrl::fromLocalFile(PathUtils::resourcesPath() + "meshes/defaultAvatar_body.fst");
_skeletonModel.setURL(_skeletonModelURL, DEFAULT_SKELETON_MODEL_URL, true, !isMyAvatar());
}
void Avatar::setAttachmentData(const QVector<AttachmentData>& attachmentData) {
AvatarData::setAttachmentData(attachmentData);
if (QThread::currentThread() != thread()) {
QMetaObject::invokeMethod(this, "setAttachmentData", Qt::DirectConnection,
Q_ARG(const QVector<AttachmentData>, attachmentData));
return;
}
// make sure we have as many models as attachments
while (_attachmentModels.size() < attachmentData.size()) {
Model* model = nullptr;
if (_unusedAttachments.size() > 0) {
model = _unusedAttachments.takeFirst();
} else {
model = new Model(std::make_shared<EntityRig>(), this);
}
model->init();
_attachmentModels.append(model);
}
while (_attachmentModels.size() > attachmentData.size()) {
auto attachmentModel = _attachmentModels.takeLast();
_attachmentsToRemove << attachmentModel;
}
// update the urls
for (int i = 0; i < attachmentData.size(); i++) {
_attachmentModels[i]->setURL(attachmentData.at(i).modelURL);
_attachmentModels[i]->setSnapModelToCenter(true);
_attachmentModels[i]->setScaleToFit(true, _scale * _attachmentData.at(i).scale);
}
}
void Avatar::setBillboard(const QByteArray& billboard) {
AvatarData::setBillboard(billboard);
// clear out any existing billboard texture
_billboardTexture.reset();
}
int Avatar::parseDataFromBuffer(const QByteArray& buffer) {
if (!_initialized) {
// now that we have data for this Avatar we are go for init
init();
}
// change in position implies movement
glm::vec3 oldPosition = _position;
int bytesRead = AvatarData::parseDataFromBuffer(buffer);
const float MOVE_DISTANCE_THRESHOLD = 0.001f;
_moving = glm::distance(oldPosition, _position) > MOVE_DISTANCE_THRESHOLD;
if (_moving && _motionState) {
_motionState->addDirtyFlags(EntityItem::DIRTY_POSITION);
}
return bytesRead;
}
int Avatar::_jointConesID = GeometryCache::UNKNOWN_ID;
// render a makeshift cone section that serves as a body part connecting joint spheres
void Avatar::renderJointConnectingCone(gpu::Batch& batch, glm::vec3 position1, glm::vec3 position2,
float radius1, float radius2, const glm::vec4& color) {
auto geometryCache = DependencyManager::get<GeometryCache>();
if (_jointConesID == GeometryCache::UNKNOWN_ID) {
_jointConesID = geometryCache->allocateID();
}
glm::vec3 axis = position2 - position1;
float length = glm::length(axis);
if (length > 0.0f) {
axis /= length;
glm::vec3 perpSin = glm::vec3(1.0f, 0.0f, 0.0f);
glm::vec3 perpCos = glm::normalize(glm::cross(axis, perpSin));
perpSin = glm::cross(perpCos, axis);
float anglea = 0.0f;
float angleb = 0.0f;
QVector<glm::vec3> points;
for (int i = 0; i < NUM_BODY_CONE_SIDES; i ++) {
// the rectangles that comprise the sides of the cone section are
// referenced by "a" and "b" in one dimension, and "1", and "2" in the other dimension.
anglea = angleb;
angleb = ((float)(i+1) / (float)NUM_BODY_CONE_SIDES) * TWO_PI;
float sa = sinf(anglea);
float sb = sinf(angleb);
float ca = cosf(anglea);
float cb = cosf(angleb);
glm::vec3 p1a = position1 + perpSin * sa * radius1 + perpCos * ca * radius1;
glm::vec3 p1b = position1 + perpSin * sb * radius1 + perpCos * cb * radius1;
glm::vec3 p2a = position2 + perpSin * sa * radius2 + perpCos * ca * radius2;
glm::vec3 p2b = position2 + perpSin * sb * radius2 + perpCos * cb * radius2;
points << p1a << p1b << p2a << p1b << p2a << p2b;
}
// TODO: this is really inefficient constantly recreating these vertices buffers. It would be
// better if the avatars cached these buffers for each of the joints they are rendering
geometryCache->updateVertices(_jointConesID, points, color);
geometryCache->renderVertices(batch, gpu::TRIANGLES, _jointConesID);
}
}
void Avatar::setScale(float scale) {
_scale = scale;
if (_targetScale * (1.0f - RESCALING_TOLERANCE) < _scale &&
_scale < _targetScale * (1.0f + RESCALING_TOLERANCE)) {
_scale = _targetScale;
}
}
float Avatar::getSkeletonHeight() const {
Extents extents = _skeletonModel.getBindExtents();
return extents.maximum.y - extents.minimum.y;
}
float Avatar::getHeadHeight() const {
Extents extents = getHead()->getFaceModel().getMeshExtents();
if (!extents.isEmpty() && extents.isValid()) {
// HACK: We have a really odd case when fading out for some models where this value explodes
float result = extents.maximum.y - extents.minimum.y;
if (result >= 0.0f && result < 100.0f * _scale ) {
return result;
}
}
extents = _skeletonModel.getMeshExtents();
glm::vec3 neckPosition;
if (!extents.isEmpty() && extents.isValid() && _skeletonModel.getNeckPosition(neckPosition)) {
return extents.maximum.y / 2.0f - neckPosition.y + _position.y;
}
const float DEFAULT_HEAD_HEIGHT = 0.25f;
return DEFAULT_HEAD_HEIGHT;
}
float Avatar::getPelvisFloatingHeight() const {
return -_skeletonModel.getBindExtents().minimum.y;
}
void Avatar::setShowDisplayName(bool showDisplayName) {
if (!Menu::getInstance()->isOptionChecked(MenuOption::NamesAboveHeads)) {
_displayNameAlpha = 0.0f;
return;
}
// For myAvatar, the alpha update is not done (called in simulate for other avatars)
if (isMyAvatar()) {
if (showDisplayName) {
_displayNameAlpha = DISPLAYNAME_ALPHA;
} else {
_displayNameAlpha = 0.0f;
}
}
if (showDisplayName) {
_displayNameTargetAlpha = DISPLAYNAME_ALPHA;
} else {
_displayNameTargetAlpha = 0.0f;
}
}
// virtual
void Avatar::computeShapeInfo(ShapeInfo& shapeInfo) {
const CapsuleShape& capsule = _skeletonModel.getBoundingShape();
shapeInfo.setCapsuleY(capsule.getRadius(), capsule.getHalfHeight());
shapeInfo.setOffset(_skeletonModel.getBoundingShapeOffset());
}
// virtual
void Avatar::rebuildSkeletonBody() {
DependencyManager::get<AvatarManager>()->updateAvatarPhysicsShape(getSessionUUID());
}
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