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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 <GeometryUtil.h>
#include <NodeList.h>
#include <PacketHeaders.h>
#include <PerfStat.h>
#include <SharedUtil.h>
#include "Application.h"
#include "Avatar.h"
#include "Hand.h"
#include "Head.h"
#include "Menu.h"
#include "ModelReferential.h"
#include "Physics.h"
#include "Recorder.h"
#include "world.h"
#include "devices/OculusManager.h"
#include "renderer/TextureCache.h"
#include "ui/TextRenderer.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 = 0.95f;
const float DISPLAYNAME_BACKGROUND_ALPHA = 0.4f;
Avatar::Avatar() :
AvatarData(),
_skeletonModel(this),
_bodyYawDelta(0.0f),
_velocity(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),
_mouseRayOrigin(0.0f, 0.0f, 0.0f),
_mouseRayDirection(0.0f, 0.0f, 0.0f),
_moving(false),
_collisionGroups(0),
_initialized(false),
_shouldRenderBillboard(true)
{
// 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() {
}
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();
}
float Avatar::getLODDistance() const {
return Menu::getInstance()->getAvatarLODDistanceMultiplier() *
glm::distance(Application::getInstance()->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:
qDebug() << "[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);
}
if (Menu::getInstance()->isOptionChecked(MenuOption::StringHair)) {
PerformanceTimer perfTimer("hair");
_hair.setAcceleration(getAcceleration() * getHead()->getFinalOrientationInWorldFrame());
_hair.setAngularVelocity((getAngularVelocity() + getHead()->getAngularVelocity()) * getHead()->getFinalOrientationInWorldFrame());
_hair.setAngularAcceleration(getAngularAcceleration() * getHead()->getFinalOrientationInWorldFrame());
_hair.setGravity(Application::getInstance()->getEnvironment()->getGravity(getPosition()) * getHead()->getFinalOrientationInWorldFrame());
_hair.simulate(deltaTime);
}
}
// 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();
}
void Avatar::setMouseRay(const glm::vec3 &origin, const glm::vec3 &direction) {
_mouseRayOrigin = origin;
_mouseRayDirection = direction;
}
enum TextRendererType {
CHAT,
DISPLAYNAME
};
static TextRenderer* textRenderer(TextRendererType type) {
static TextRenderer* chatRenderer = TextRenderer::getInstance(SANS_FONT_FAMILY, 24, -1,
false, TextRenderer::SHADOW_EFFECT);
static TextRenderer* displayNameRenderer = TextRenderer::getInstance(SANS_FONT_FAMILY, 12);
switch(type) {
case CHAT:
return chatRenderer;
case DISPLAYNAME:
return displayNameRenderer;
}
return displayNameRenderer;
}
void Avatar::render(const glm::vec3& cameraPosition, RenderMode renderMode, bool postLighting) {
if (_referential) {
_referential->update();
}
if (postLighting && glm::distance(Application::getInstance()->getAvatar()->getPosition(), _position) < 10.0f) {
// render pointing lasers
glm::vec3 laserColor = glm::vec3(1.0f, 0.0f, 1.0f);
float laserLength = 50.0f;
if (_handState == HAND_STATE_LEFT_POINTING ||
_handState == HAND_STATE_BOTH_POINTING) {
int leftIndex = _skeletonModel.getLeftHandJointIndex();
glm::vec3 leftPosition;
glm::quat leftRotation;
_skeletonModel.getJointPositionInWorldFrame(leftIndex, leftPosition);
_skeletonModel.getJointRotationInWorldFrame(leftIndex, leftRotation);
glPushMatrix(); {
glTranslatef(leftPosition.x, leftPosition.y, leftPosition.z);
float angle = glm::degrees(glm::angle(leftRotation));
glm::vec3 axis = glm::axis(leftRotation);
glRotatef(angle, axis.x, axis.y, axis.z);
glBegin(GL_LINES);
glColor3f(laserColor.x, laserColor.y, laserColor.z);
glVertex3f(0.0f, 0.0f, 0.0f);
glVertex3f(0.0f, laserLength, 0.0f);
glEnd();
} glPopMatrix();
}
if (_handState == HAND_STATE_RIGHT_POINTING ||
_handState == HAND_STATE_BOTH_POINTING) {
int rightIndex = _skeletonModel.getRightHandJointIndex();
glm::vec3 rightPosition;
glm::quat rightRotation;
_skeletonModel.getJointPositionInWorldFrame(rightIndex, rightPosition);
_skeletonModel.getJointRotationInWorldFrame(rightIndex, rightRotation);
glPushMatrix(); {
glTranslatef(rightPosition.x, rightPosition.y, rightPosition.z);
float angle = glm::degrees(glm::angle(rightRotation));
glm::vec3 axis = glm::axis(rightRotation);
glRotatef(angle, axis.x, axis.y, axis.z);
glBegin(GL_LINES);
glColor3f(laserColor.x, laserColor.y, laserColor.z);
glVertex3f(0.0f, 0.0f, 0.0f);
glVertex3f(0.0f, laserLength, 0.0f);
glEnd();
} glPopMatrix();
}
}
// simple frustum check
float boundingRadius = getBillboardSize();
ViewFrustum* frustum = (renderMode == Avatar::SHADOW_RENDER_MODE) ?
Application::getInstance()->getShadowViewFrustum() : Application::getInstance()->getViewFrustum();
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 == Application::getInstance()->getAvatar())
? 0.0f
: MAX_GLOW * getHeadData()->getAudioLoudness() / GLOW_MAX_LOUDNESS);
if (!Menu::getInstance()->isOptionChecked(MenuOption::GlowWhenSpeaking)) {
GLOW_FROM_AVERAGE_LOUDNESS = 0.0f;
}
float glowLevel = _moving && distanceToTarget > GLOW_DISTANCE && renderMode == NORMAL_RENDER_MODE
? 1.0f
: GLOW_FROM_AVERAGE_LOUDNESS;
// render body
if (Menu::getInstance()->isOptionChecked(MenuOption::Avatars)) {
renderBody(renderMode, postLighting, glowLevel);
}
if (!postLighting && renderMode != 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, Application::getInstance()->getAvatarManager().getLocalLights()) {
glm::vec3 direction = orientation * light.direction;
Application::getInstance()->getDeferredLightingEffect()->addSpotLight(position - direction * distance,
distance * 2.0f, glm::vec3(), light.color, light.color, 1.0f, 0.5f, 0.0f, direction,
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(cameraPosition, renderMode)) {
getHead()->getFaceModel().renderJointCollisionShapes(0.7f);
}
if (renderBounding && shouldRenderHead(cameraPosition, renderMode)) {
_skeletonModel.renderBoundingCollisionShapes(0.7f);
}
// If this is the avatar being looked at, render a little ball above their head
if (_isLookAtTarget && Menu::getInstance()->isOptionChecked(MenuOption::RenderFocusIndicator)) {
const float LOOK_AT_INDICATOR_RADIUS = 0.03f;
const float LOOK_AT_INDICATOR_OFFSET = 0.22f;
const float LOOK_AT_INDICATOR_COLOR[] = { 0.8f, 0.0f, 0.0f, 0.75f };
glPushMatrix();
glColor4fv(LOOK_AT_INDICATOR_COLOR);
if (_displayName.isEmpty() || _displayNameAlpha == 0.0f) {
glTranslatef(_position.x, getDisplayNamePosition().y, _position.z);
} else {
glTranslatef(_position.x, getDisplayNamePosition().y + LOOK_AT_INDICATOR_OFFSET, _position.z);
}
Application::getInstance()->getGeometryCache()->renderSphere(LOOK_AT_INDICATOR_RADIUS, 15, 15);
glPopMatrix();
}
}
// 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 (postLighting && 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 (renderMode == NORMAL_RENDER_MODE && (sphereRadius > MIN_SPHERE_SIZE) &&
(angle < MAX_SPHERE_ANGLE) && (angle > MIN_SPHERE_ANGLE)) {
glColor4f(SPHERE_COLOR[0], SPHERE_COLOR[1], SPHERE_COLOR[2], 1.0f - angle / MAX_SPHERE_ANGLE);
glPushMatrix();
glTranslatef(_position.x, _position.y, _position.z);
glScalef(height, height, height);
Application::getInstance()->getGeometryCache()->renderSphere(sphereRadius, 15, 15);
glPopMatrix();
}
}
}
const float DISPLAYNAME_DISTANCE = 20.0f;
setShowDisplayName(renderMode == NORMAL_RENDER_MODE && distanceToTarget < DISPLAYNAME_DISTANCE);
if (!postLighting || renderMode != NORMAL_RENDER_MODE || (isMyAvatar() &&
Application::getInstance()->getCamera()->getMode() == CAMERA_MODE_FIRST_PERSON)) {
return;
}
renderDisplayName();
if (!_chatMessage.empty()) {
int width = 0;
int lastWidth = 0;
for (string::iterator it = _chatMessage.begin(); it != _chatMessage.end(); it++) {
width += (lastWidth = textRenderer(CHAT)->computeWidth(*it));
}
glPushMatrix();
glm::vec3 chatPosition = getHead()->getEyePosition() + getBodyUpDirection() * CHAT_MESSAGE_HEIGHT * _scale;
glTranslatef(chatPosition.x, chatPosition.y, chatPosition.z);
glm::quat chatRotation = Application::getInstance()->getCamera()->getRotation();
glm::vec3 chatAxis = glm::axis(chatRotation);
glRotatef(glm::degrees(glm::angle(chatRotation)), chatAxis.x, chatAxis.y, chatAxis.z);
glColor3f(0.0f, 0.8f, 0.0f);
glRotatef(180.0f, 0.0f, 1.0f, 0.0f);
glRotatef(180.0f, 0.0f, 0.0f, 1.0f);
glScalef(_scale * CHAT_MESSAGE_SCALE, _scale * CHAT_MESSAGE_SCALE, 1.0f);
glDisable(GL_LIGHTING);
glDepthMask(false);
if (_keyState == NO_KEY_DOWN) {
textRenderer(CHAT)->draw(-width / 2.0f, 0, _chatMessage.c_str());
} else {
// rather than using substr and allocating a new string, just replace the last
// character with a null, then restore it
int lastIndex = _chatMessage.size() - 1;
char lastChar = _chatMessage[lastIndex];
_chatMessage[lastIndex] = '\0';
textRenderer(CHAT)->draw(-width / 2.0f, 0, _chatMessage.c_str());
_chatMessage[lastIndex] = lastChar;
glColor3f(0.0f, 1.0f, 0.0f);
textRenderer(CHAT)->draw(width / 2.0f - lastWidth, 0, _chatMessage.c_str() + lastIndex);
}
glEnable(GL_LIGHTING);
glDepthMask(true);
glPopMatrix();
}
}
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::renderBody(RenderMode renderMode, bool postLighting, float glowLevel) {
Model::RenderMode modelRenderMode = (renderMode == SHADOW_RENDER_MODE) ?
Model::SHADOW_RENDER_MODE : Model::DEFAULT_RENDER_MODE;
{
Glower glower(glowLevel);
if (_shouldRenderBillboard || !(_skeletonModel.isRenderable() && getHead()->getFaceModel().isRenderable())) {
if (postLighting || renderMode == SHADOW_RENDER_MODE) {
// render the billboard until both models are loaded
renderBillboard();
}
return;
}
if (postLighting) {
getHand()->render(false, modelRenderMode);
} else {
_skeletonModel.render(1.0f, modelRenderMode);
renderAttachments(renderMode);
}
}
getHead()->render(1.0f, modelRenderMode, postLighting);
if (!postLighting && Menu::getInstance()->isOptionChecked(MenuOption::StringHair)) {
// Render Hair
glPushMatrix();
glm::vec3 headPosition = getHead()->getPosition();
glTranslatef(headPosition.x, headPosition.y, headPosition.z);
const glm::quat& rotation = getHead()->getFinalOrientationInWorldFrame();
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
_hair.render();
glPopMatrix();
}
}
bool Avatar::shouldRenderHead(const glm::vec3& cameraPosition, RenderMode renderMode) 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);
model->simulate(deltaTime);
}
}
}
void Avatar::renderAttachments(RenderMode renderMode) {
Model::RenderMode modelRenderMode = (renderMode == SHADOW_RENDER_MODE) ?
Model::SHADOW_RENDER_MODE : Model::DEFAULT_RENDER_MODE;
foreach (Model* model, _attachmentModels) {
model->render(1.0f, modelRenderMode);
}
}
void Avatar::updateJointMappings() {
// no-op; joint mappings come from skeleton model
}
void Avatar::renderBillboard() {
if (_billboard.isEmpty()) {
return;
}
if (!_billboardTexture) {
QImage image = QImage::fromData(_billboard);
if (image.format() != QImage::Format_ARGB32) {
image = image.convertToFormat(QImage::Format_ARGB32);
}
_billboardTexture.reset(new Texture());
glBindTexture(GL_TEXTURE_2D, _billboardTexture->getID());
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, image.width(), image.height(), 0,
GL_BGRA, GL_UNSIGNED_BYTE, image.constBits());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
} else {
glBindTexture(GL_TEXTURE_2D, _billboardTexture->getID());
}
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5f);
glEnable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glPushMatrix();
glTranslatef(_position.x, _position.y, _position.z);
// 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));
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
// compute the size from the billboard camera parameters and scale
float size = getBillboardSize();
glScalef(size, size, size);
glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f, 0.0f);
glVertex2f(-1.0f, -1.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex2f(1.0f, -1.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex2f(1.0f, 1.0f);
glTexCoord2f(0.0f, 1.0f);
glVertex2f(-1.0f, 1.0f);
glEnd();
glPopMatrix();
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glDisable(GL_ALPHA_TEST);
glBindTexture(GL_TEXTURE_2D, 0);
}
float Avatar::getBillboardSize() const {
return _scale * BILLBOARD_DISTANCE * tanf(glm::radians(BILLBOARD_FIELD_OF_VIEW / 2.0f));
}
glm::vec3 Avatar::getDisplayNamePosition() {
glm::vec3 namePosition;
if (getSkeletonModel().getNeckPosition(namePosition)) {
namePosition += getBodyUpDirection() * getHeadHeight() * 1.1f;
} else {
const float HEAD_PROPORTION = 0.75f;
namePosition = _position + getBodyUpDirection() * (getBillboardSize() * HEAD_PROPORTION);
}
return namePosition;
}
void Avatar::renderDisplayName() {
if (_displayName.isEmpty() || _displayNameAlpha == 0.0f) {
return;
}
glDisable(GL_LIGHTING);
glPushMatrix();
glm::vec3 textPosition = getDisplayNamePosition();
glTranslatef(textPosition.x, textPosition.y, textPosition.z);
// we need "always facing camera": we must remove the camera rotation from the stack
glm::quat rotation = Application::getInstance()->getCamera()->getRotation();
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
// We need to compute the scale factor such as the text remains with fixed size respect to window coordinates
// We project a unit vector and check the difference in screen coordinates, to check which is the
// correction scale needed
// save the matrices for later scale correction factor
glm::dmat4 modelViewMatrix;
glm::dmat4 projectionMatrix;
GLint viewportMatrix[4];
Application::getInstance()->getModelViewMatrix(&modelViewMatrix);
Application::getInstance()->getProjectionMatrix(&projectionMatrix);
glGetIntegerv(GL_VIEWPORT, viewportMatrix);
GLdouble result0[3], result1[3];
// The up vector must be relative to the rotation current rotation matrix:
// we set the identity
glm::dvec3 testPoint0 = glm::dvec3(textPosition);
glm::dvec3 testPoint1 = glm::dvec3(textPosition) + glm::dvec3(Application::getInstance()->getCamera()->getRotation() * IDENTITY_UP);
bool success;
success = gluProject(testPoint0.x, testPoint0.y, testPoint0.z,
(GLdouble*)&modelViewMatrix, (GLdouble*)&projectionMatrix, viewportMatrix,
&result0[0], &result0[1], &result0[2]);
success = success &&
gluProject(testPoint1.x, testPoint1.y, testPoint1.z,
(GLdouble*)&modelViewMatrix, (GLdouble*)&projectionMatrix, viewportMatrix,
&result1[0], &result1[1], &result1[2]);
if (success) {
double textWindowHeight = abs(result1[1] - result0[1]);
float scaleFactor = Application::getInstance()->getRenderResolutionScale() *
((textWindowHeight > EPSILON) ? 1.0f / textWindowHeight : 1.0f);
glScalef(scaleFactor, scaleFactor, 1.0);
glScalef(1.0f, -1.0f, 1.0f); // TextRenderer::draw paints the text upside down in y axis
int text_x = -_displayNameBoundingRect.width() / 2;
int text_y = -_displayNameBoundingRect.height() / 2;
// draw a gray background
int left = text_x + _displayNameBoundingRect.x();
int right = left + _displayNameBoundingRect.width();
int bottom = text_y + _displayNameBoundingRect.y();
int top = bottom + _displayNameBoundingRect.height();
const int border = 8;
bottom -= border;
left -= border;
top += border;
right += border;
// We are drawing coplanar textures with depth: need the polygon offset
glEnable(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(1.0f, 1.0f);
glColor4f(0.2f, 0.2f, 0.2f, _displayNameAlpha * DISPLAYNAME_BACKGROUND_ALPHA / DISPLAYNAME_ALPHA);
renderBevelCornersRect(left, bottom, right - left, top - bottom, 3);
glColor4f(0.93f, 0.93f, 0.93f, _displayNameAlpha);
QByteArray ba = _displayName.toLocal8Bit();
const char* text = ba.data();
glDisable(GL_POLYGON_OFFSET_FILL);
textRenderer(DISPLAYNAME)->draw(text_x, text_y, text);
}
glPopMatrix();
glEnable(GL_LIGHTING);
}
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;
}
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::BlockingQueuedConnection, 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::BlockingQueuedConnection, 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(Application::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(Application::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 = new Model(this);
model->init();
_attachmentModels.append(model);
}
while (_attachmentModels.size() > attachmentData.size()) {
delete _attachmentModels.takeLast();
}
// 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::setDisplayName(const QString& displayName) {
AvatarData::setDisplayName(displayName);
_displayNameBoundingRect = textRenderer(DISPLAYNAME)->metrics().tightBoundingRect(displayName);
}
void Avatar::setBillboard(const QByteArray& billboard) {
AvatarData::setBillboard(billboard);
// clear out any existing billboard texture
_billboardTexture.reset();
}
int Avatar::parseDataAtOffset(const QByteArray& packet, int offset) {
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::parseDataAtOffset(packet, offset);
const float MOVE_DISTANCE_THRESHOLD = 0.001f;
_moving = glm::distance(oldPosition, _position) > MOVE_DISTANCE_THRESHOLD;
return bytesRead;
}
// render a makeshift cone section that serves as a body part connecting joint spheres
void Avatar::renderJointConnectingCone(glm::vec3 position1, glm::vec3 position2, float radius1, float radius2) {
glBegin(GL_TRIANGLES);
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;
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;
glVertex3f(p1a.x, p1a.y, p1a.z);
glVertex3f(p1b.x, p1b.y, p1b.z);
glVertex3f(p2a.x, p2a.y, p2a.z);
glVertex3f(p1b.x, p1b.y, p1b.z);
glVertex3f(p2a.x, p2a.y, p2a.z);
glVertex3f(p2b.x, p2b.y, p2b.z);
}
}
glEnd();
}
void Avatar::updateCollisionGroups() {
_collisionGroups = 0;
if (Menu::getInstance()->isOptionChecked(MenuOption::CollideWithEnvironment)) {
_collisionGroups |= COLLISION_GROUP_ENVIRONMENT;
}
if (Menu::getInstance()->isOptionChecked(MenuOption::CollideWithAvatars)) {
_collisionGroups |= COLLISION_GROUP_AVATARS;
}
if (Menu::getInstance()->isOptionChecked(MenuOption::CollideWithVoxels)) {
_collisionGroups |= COLLISION_GROUP_VOXELS;
}
if (Menu::getInstance()->isOptionChecked(MenuOption::CollideWithParticles)) {
_collisionGroups |= COLLISION_GROUP_PARTICLES;
}
}
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().getBindExtents();
if (!extents.isEmpty()) {
return extents.maximum.y - extents.minimum.y;
}
glm::vec3 neckPosition;
glm::vec3 headPosition;
if (_skeletonModel.getNeckPosition(neckPosition) && _skeletonModel.getHeadPosition(headPosition)) {
return glm::distance(neckPosition, headPosition);
}
const float DEFAULT_HEAD_HEIGHT = 0.1f;
return DEFAULT_HEAD_HEIGHT;
}
float Avatar::getBoundingRadius() const {
// TODO: also use head model when computing the avatar's bounding radius
return _skeletonModel.getBoundingRadius();
}
float Avatar::getPelvisFloatingHeight() const {
return -_skeletonModel.getBindExtents().minimum.y;
}
float Avatar::getPelvisToHeadLength() const {
return glm::distance(_position, getHead()->getPosition());
}
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 (Application::getInstance()->getAvatar() == this) {
if (showDisplayName) {
_displayNameAlpha = DISPLAYNAME_ALPHA;
} else {
_displayNameAlpha = 0.0f;
}
}
if (showDisplayName) {
_displayNameTargetAlpha = DISPLAYNAME_ALPHA;
} else {
_displayNameTargetAlpha = 0.0f;
}
}
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