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BrowserWorld.cpp
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BrowserWorld.cpp
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "BrowserWorld.h"
#include "Controller.h"
#include "ControllerContainer.h"
#include "FadeAnimation.h"
#include "Device.h"
#include "DeviceDelegate.h"
#include "ExternalBlitter.h"
#include "ExternalVR.h"
#include "GeckoSurfaceTexture.h"
#include "LoadingAnimation.h"
#include "Skybox.h"
#include "SplashAnimation.h"
#include "Pointer.h"
#include "Widget.h"
#include "WidgetPlacement.h"
#include "Cylinder.h"
#include "Quad.h"
#include "VRBrowser.h"
#include "VRVideo.h"
#include "VRLayer.h"
#include "vrb/CameraSimple.h"
#include "vrb/Color.h"
#include "vrb/ConcreteClass.h"
#include "vrb/CreationContext.h"
#include "vrb/CullVisitor.h"
#include "vrb/DataCache.h"
#include "vrb/DrawableList.h"
#include "vrb/Geometry.h"
#include "vrb/GLError.h"
#include "vrb/Group.h"
#include "vrb/Light.h"
#include "vrb/Logger.h"
#include "vrb/Matrix.h"
#include "vrb/ModelLoaderAndroid.h"
#include "vrb/NodeFactoryObj.h"
#include "vrb/ParserObj.h"
#include "vrb/RenderContext.h"
#include "vrb/RenderState.h"
#include "vrb/SurfaceTextureFactory.h"
#include "vrb/TextureCache.h"
#include "vrb/TextureSurface.h"
#include "vrb/TextureCubeMap.h"
#include "vrb/Toggle.h"
#include "vrb/Transform.h"
#include "vrb/VertexArray.h"
#include "vrb/Vector.h"
#include <array>
#include <functional>
#include <fstream>
#define ASSERT_ON_RENDER_THREAD(X) \
if (m.context && !m.context->IsOnRenderThread()) { \
VRB_ERROR("Function: '%s' not called on render thread.", __FUNCTION__); \
return X; \
}
#define INJECT_ENVIRONMENT_PATH "environment/environment.obj"
#define INJECT_SKYBOX_PATH "skybox"
#define SPACE_THEME 0
using namespace vrb;
namespace {
static const int GestureSwipeLeft = 0;
static const int GestureSwipeRight = 1;
static const float kScrollFactor = 20.0f; // Just picked what fell right.
static const float kWorldDPIRatio = 2.0f/720.0f;
static const double kHoverRate = 1.0 / 10.0;
#if SPACE_THEME == 1
static const std::string CubemapDay = "cubemap/space";
#else
static const std::string CubemapDay = "cubemap/day";
#endif
class SurfaceObserver;
typedef std::shared_ptr<SurfaceObserver> SurfaceObserverPtr;
class SurfaceObserver : public SurfaceTextureObserver {
public:
SurfaceObserver(crow::BrowserWorldWeakPtr& aWorld);
~SurfaceObserver();
void SurfaceTextureCreated(const std::string& aName, GLuint aHandle, jobject aSurfaceTexture) override;
void SurfaceTextureHandleUpdated(const std::string aName, GLuint aHandle) override;
void SurfaceTextureDestroyed(const std::string& aName) override;
void SurfaceTextureCreationError(const std::string& aName, const std::string& aReason) override;
protected:
crow::BrowserWorldWeakPtr mWorld;
};
SurfaceObserver::SurfaceObserver(crow::BrowserWorldWeakPtr& aWorld) : mWorld(aWorld) {}
SurfaceObserver::~SurfaceObserver() {}
void
SurfaceObserver::SurfaceTextureCreated(const std::string& aName, GLuint, jobject aSurfaceTexture) {
crow::BrowserWorldPtr world = mWorld.lock();
if (world) {
world->SetSurfaceTexture(aName, aSurfaceTexture);
}
}
void
SurfaceObserver::SurfaceTextureHandleUpdated(const std::string, GLuint) {}
void
SurfaceObserver::SurfaceTextureDestroyed(const std::string& aName) {
crow::BrowserWorldPtr world = mWorld.lock();
if (world) {
jobject nullObject = nullptr;
world->SetSurfaceTexture(aName, nullObject);
}
}
void
SurfaceObserver::SurfaceTextureCreationError(const std::string& aName, const std::string& aReason) {
}
} // namespace
namespace crow {
struct BrowserWorld::State {
BrowserWorldWeakPtr self;
std::vector<WidgetPtr> widgets;
SurfaceObserverPtr surfaceObserver;
DeviceDelegatePtr device;
bool paused;
bool glInitialized;
bool modelsLoaded;
RenderContextPtr context;
CreationContextPtr create;
ModelLoaderAndroidPtr loader;
GroupPtr rootOpaqueParent;
TransformPtr rootOpaque;
TransformPtr rootTransparent;
GroupPtr rootController;
LightPtr light;
ControllerContainerPtr controllers;
CullVisitorPtr cullVisitor;
DrawableListPtr drawList;
CameraPtr leftCamera;
CameraPtr rightCamera;
float cylinderDensity;
float nearClip;
float farClip;
JNIEnv* env;
jobject activity;
GestureDelegateConstPtr gestures;
ExternalVRPtr externalVR;
ExternalBlitterPtr blitter;
bool windowsInitialized;
SkyboxPtr skybox;
FadeAnimationPtr fadeAnimation;
uint32_t loaderDelay;
bool exitImmersiveRequested;
WidgetPtr resizingWidget;
LoadingAnimationPtr loadingAnimation;
SplashAnimationPtr splashAnimation;
VRVideoPtr vrVideo;
State() : paused(true), glInitialized(false), modelsLoaded(false), env(nullptr), cylinderDensity(0.0f), nearClip(0.1f),
farClip(300.0f), activity(nullptr), windowsInitialized(false), exitImmersiveRequested(false), loaderDelay(0) {
context = RenderContext::Create();
create = context->GetRenderThreadCreationContext();
loader = ModelLoaderAndroid::Create(context);
rootOpaque = Transform::Create(create);
rootTransparent = Transform::Create(create);
rootController = Group::Create(create);
light = Light::Create(create);
rootOpaqueParent = Group::Create(create);
rootOpaqueParent->AddNode(rootOpaque);
//rootOpaque->AddLight(light);
//rootTransparent->AddLight(light);
rootController->AddLight(light);
cullVisitor = CullVisitor::Create(create);
drawList = DrawableList::Create(create);
controllers = ControllerContainer::Create(create, rootTransparent);
externalVR = ExternalVR::Create();
blitter = ExternalBlitter::Create(create);
fadeAnimation = FadeAnimation::Create(create);
loadingAnimation = LoadingAnimation::Create(create);
splashAnimation = SplashAnimation::Create(create);
}
void CheckBackButton();
bool CheckExitImmersive();
void UpdateControllers(bool& aRelayoutWidgets);
WidgetPtr GetWidget(int32_t aHandle) const;
WidgetPtr FindWidget(const std::function<bool(const WidgetPtr&)>& aCondition) const;
};
void
BrowserWorld::State::CheckBackButton() {
for (Controller& controller: controllers->GetControllers()) {
if (!controller.enabled || (controller.index < 0)) {
continue;
}
if (!(controller.lastButtonState & ControllerDelegate::BUTTON_APP) &&
(controller.buttonState & ControllerDelegate::BUTTON_APP)) {
controller.lastButtonState = controller.buttonState;
VRBrowser::HandleBack();
}
}
}
bool
BrowserWorld::State::CheckExitImmersive() {
if (exitImmersiveRequested && externalVR->IsPresenting()) {
externalVR->StopPresenting();
blitter->StopPresenting();
exitImmersiveRequested = false;
return true;
}
return false;
}
static bool
OutOfDeadZone(Controller& aController, const float aX, const float aY) {
if (!aController.inDeadZone) {
return true;
}
const float kDeadZone = 20.0f;
const float xDistance = aX - aController.pointerX;
const float yDistance = aY - aController.pointerY;
aController.inDeadZone = sqrtf((xDistance * xDistance) + (yDistance * yDistance)) < kDeadZone;
// VRB_ERROR("Out of DEAD ZONE[%f]: %s", sqrtf((xDistance * xDistance) + (yDistance * yDistance)), (!aController.inDeadZone ? "TRUE" : "FALSE"));
return !aController.inDeadZone;
}
static bool
ThrottleHoverEvent(Controller& aController, const double aTimestamp, const bool aIsPressed, const bool aWasPressed) {
if (aIsPressed || aWasPressed) {
return false;
}
if ((aTimestamp - aController.lastHoverEvent) < kHoverRate) {
return true;
}
aController.lastHoverEvent = aTimestamp;
return false;
}
void
BrowserWorld::State::UpdateControllers(bool& aRelayoutWidgets) {
for (Controller& controller: controllers->GetControllers()) {
if (!controller.enabled || (controller.index < 0)) {
continue;
}
if (controller.pointer && !controller.pointer->IsLoaded()) {
controller.pointer->Load(device);
}
if (!(controller.lastButtonState & ControllerDelegate::BUTTON_APP) && (controller.buttonState & ControllerDelegate::BUTTON_APP)) {
VRBrowser::HandleBack();
}
vrb::Vector start = controller.transformMatrix.MultiplyPosition(vrb::Vector());
vrb::Vector direction = controller.transformMatrix.MultiplyDirection(vrb::Vector(0.0f, 0.0f, -1.0f));
WidgetPtr hitWidget;
float hitDistance = farClip;
vrb::Vector hitPoint;
vrb::Vector hitNormal;
for (const WidgetPtr& widget: widgets) {
vrb::Vector result;
vrb::Vector normal;
float distance = 0.0f;
bool isInWidget = false;
if (widget->TestControllerIntersection(start, direction, result, normal, isInWidget, distance)) {
if (isInWidget && (distance < hitDistance)) {
hitWidget = widget;
hitDistance = distance;
hitPoint = result;
hitNormal = normal;
}
}
}
if ((!hitWidget || !hitWidget->IsResizing()) && resizingWidget) {
resizingWidget->HoverExitResize();
resizingWidget.reset();
}
if (controller.pointer) {
controller.pointer->SetVisible(hitWidget.get() != nullptr);
controller.pointer->SetHitWidget(hitWidget);
if (hitWidget) {
vrb::Matrix translation = vrb::Matrix::Translation(hitPoint);
vrb::Matrix localRotation = vrb::Matrix::Rotation(hitNormal);
vrb::Matrix reorient = device->GetReorientTransform();
controller.pointer->SetTransform(reorient.AfineInverse().PostMultiply(translation).PostMultiply(localRotation));
}
}
const bool pressed = controller.buttonState & ControllerDelegate::BUTTON_TRIGGER ||
controller.buttonState & ControllerDelegate::BUTTON_TOUCHPAD;
const bool wasPressed = controller.lastButtonState & ControllerDelegate::BUTTON_TRIGGER ||
controller.lastButtonState & ControllerDelegate::BUTTON_TOUCHPAD;
if (hitWidget && hitWidget->IsResizing()) {
bool aResized = false, aResizeEnded = false;
hitWidget->HandleResize(hitPoint, pressed, aResized, aResizeEnded);
resizingWidget = hitWidget;
if (aResized) {
aRelayoutWidgets = true;
std::shared_ptr<BrowserWorld> world = self.lock();
if (world) {
world->LayoutWidget(hitWidget->GetHandle());
}
}
if (aResizeEnded) {
float width, height;
hitWidget->GetWorldSize(width, height);
VRBrowser::HandleResize(hitWidget->GetHandle(), width, height);
}
}
else if (hitWidget) {
float theX = 0.0f, theY = 0.0f;
hitWidget->ConvertToWidgetCoordinates(hitPoint, theX, theY);
const uint32_t handle = hitWidget->GetHandle();
if (!pressed && wasPressed) {
controller.inDeadZone = true;
}
const bool moved = pressed ? OutOfDeadZone(controller, theX, theY)
: (controller.pointerX != theX) || (controller.pointerY != theY);
const bool throttled = ThrottleHoverEvent(controller, context->GetTimestamp(), pressed, wasPressed);
if ((!throttled && moved) || (controller.widget != handle) || (pressed != wasPressed)) {
controller.widget = handle;
controller.pointerX = theX;
controller.pointerY = theY;
VRBrowser::HandleMotionEvent(handle, controller.index, jboolean(pressed),
controller.pointerX, controller.pointerY);
}
if ((controller.scrollDeltaX != 0.0f) || controller.scrollDeltaY != 0.0f) {
VRBrowser::HandleScrollEvent(controller.widget, controller.index,
controller.scrollDeltaX, controller.scrollDeltaY);
controller.scrollDeltaX = 0.0f;
controller.scrollDeltaY = 0.0f;
}
if (!pressed) {
if (controller.touched) {
if (!controller.wasTouched) {
controller.wasTouched = controller.touched;
} else {
VRBrowser::HandleScrollEvent(controller.widget,
controller.index,
(controller.touchX - controller.lastTouchX) * kScrollFactor,
(controller.touchY - controller.lastTouchY) * kScrollFactor);
}
controller.lastTouchX = controller.touchX;
controller.lastTouchY = controller.touchY;
} else {
controller.wasTouched = false;
controller.lastTouchX = controller.lastTouchY = 0.0f;
}
}
} else if (controller.widget) {
VRBrowser::HandleMotionEvent(0, controller.index, pressed, 0.0f, 0.0f);
controller.widget = 0;
} else if (wasPressed != pressed) {
VRBrowser::HandleMotionEvent(0, controller.index, pressed, 0.0f, 0.0f);
}
controller.lastButtonState = controller.buttonState;
}
if (gestures) {
const int32_t gestureCount = gestures->GetGestureCount();
for (int32_t count = 0; count < gestureCount; count++) {
const GestureType type = gestures->GetGestureType(count);
jint javaType = -1;
if (type == GestureType::SwipeLeft) {
javaType = GestureSwipeLeft;
} else if (type == GestureType::SwipeRight) {
javaType = GestureSwipeRight;
}
if (javaType >= 0) {
VRBrowser::HandleGesture(javaType);
}
}
}
}
WidgetPtr
BrowserWorld::State::GetWidget(int32_t aHandle) const {
return FindWidget([=](const WidgetPtr& aWidget){
return aWidget->GetHandle() == aHandle;
});
}
WidgetPtr
BrowserWorld::State::FindWidget(const std::function<bool(const WidgetPtr&)>& aCondition) const {
for (const WidgetPtr & widget: widgets) {
if (aCondition(widget)) {
return widget;
}
}
return {};
}
static BrowserWorldPtr sWorldInstance;
BrowserWorld&
BrowserWorld::Instance() {
if (!sWorldInstance) {
sWorldInstance = Create();
}
return *sWorldInstance;
}
void
BrowserWorld::Destroy() {
sWorldInstance = nullptr;
}
vrb::RenderContextPtr&
BrowserWorld::GetRenderContext() {
return m.context;
}
void
BrowserWorld::RegisterDeviceDelegate(DeviceDelegatePtr aDelegate) {
ASSERT_ON_RENDER_THREAD();
DeviceDelegatePtr previousDevice = std::move(m.device);
m.device = aDelegate;
if (m.device) {
m.device->RegisterImmersiveDisplay(m.externalVR);
m.device->SetClearColor(vrb::Color(0.0f, 0.0f, 0.0f, 0.0f));
m.leftCamera = m.device->GetCamera(device::Eye::Left);
m.rightCamera = m.device->GetCamera(device::Eye::Right);
ControllerDelegatePtr delegate = m.controllers;
m.device->SetClipPlanes(m.nearClip, m.farClip);
m.device->SetControllerDelegate(delegate);
m.gestures = m.device->GetGestureDelegate();
} else if (previousDevice) {
m.leftCamera = m.rightCamera = nullptr;
m.controllers->Reset();
m.gestures = nullptr;
previousDevice->ReleaseControllerDelegate();
}
}
void
BrowserWorld::Pause() {
ASSERT_ON_RENDER_THREAD();
m.paused = true;
}
void
BrowserWorld::Resume() {
ASSERT_ON_RENDER_THREAD();
m.paused = false;
}
bool
BrowserWorld::IsPaused() const {
ASSERT_ON_RENDER_THREAD(m.paused);
return m.paused;
}
void
BrowserWorld::InitializeJava(JNIEnv* aEnv, jobject& aActivity, jobject& aAssetManager) {
ASSERT_ON_RENDER_THREAD();
VRB_LOG("BrowserWorld::InitializeJava");
if (m.context) {
m.context->InitializeJava(aEnv, aActivity, aAssetManager);
}
m.env = aEnv;
if (!m.env) {
return;
}
m.activity = m.env->NewGlobalRef(aActivity);
if (!m.activity) {
return;
}
jclass clazz = m.env->GetObjectClass(m.activity);
if (!clazz) {
return;
}
VRBrowser::InitializeJava(m.env, m.activity);
GeckoSurfaceTexture::InitializeJava(m.env, m.activity);
m.loader->InitializeJava(aEnv, aActivity, aAssetManager);
VRBrowser::RegisterExternalContext((jlong)m.externalVR->GetSharedData());
if (!m.modelsLoaded) {
const int32_t modelCount = m.device->GetControllerModelCount();
for (int32_t index = 0; index < modelCount; index++) {
const std::string fileName = m.device->GetControllerModelName(index);
if (!fileName.empty()) {
m.controllers->LoadControllerModel(index, m.loader, fileName);
}
}
m.controllers->InitializeBeam();
m.controllers->SetPointerColor(vrb::Color(VRBrowser::GetPointerColor()));
m.loadingAnimation->LoadModels(m.loader);
m.rootController->AddNode(m.controllers->GetRoot());
std::string skyboxPath = VRBrowser::GetActiveEnvironment();
std::string extension;
if (VRBrowser::isOverrideEnvPathEnabled()) {
std::string storagePath = VRBrowser::GetStorageAbsolutePath(INJECT_SKYBOX_PATH);
if (std::ifstream(storagePath)) {
skyboxPath = storagePath;
extension = Skybox::ValidateCustomSkyboxAndFindFileExtension(storagePath);
if (!extension.empty()) {
skyboxPath = storagePath;
VRB_DEBUG("Found custom skybox file extension: %s", extension.c_str());
} else {
VRB_ERROR("Failed to find custom skybox files.");
}
}
}
#if !defined(SNAPDRAGONVR)
CreateSkyBox(skyboxPath.c_str(), extension);
// Don't load the env model, we are going for skyboxes in v1.0
// CreateFloor();
#endif
m.fadeAnimation->SetFadeChangeCallback([=](const vrb::Color& aTintColor) {
if (m.skybox) {
m.skybox->SetTintColor(aTintColor);
}
});
m.modelsLoaded = true;
}
}
void
BrowserWorld::InitializeGL() {
ASSERT_ON_RENDER_THREAD();
VRB_LOG("BrowserWorld::InitializeGL");
if (m.context) {
if (!m.glInitialized) {
m.glInitialized = m.context->InitializeGL();
VRB_GL_CHECK(glEnable(GL_BLEND));
VRB_GL_CHECK(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
VRB_GL_CHECK(glEnable(GL_DEPTH_TEST));
VRB_GL_CHECK(glEnable(GL_CULL_FACE));
if (!m.glInitialized) {
return;
}
if (m.splashAnimation) {
m.splashAnimation->Load(m.context, m.device);
}
// delay the m.loader->InitializeGL() call to fix some issues with Daydream activities
m.loaderDelay = 3;
SurfaceTextureFactoryPtr factory = m.context->GetSurfaceTextureFactory();
for (WidgetPtr& widget: m.widgets) {
const std::string name = widget->GetSurfaceTextureName();
jobject surface = factory->LookupSurfaceTexture(name);
if (surface) {
SetSurfaceTexture(name, surface);
}
}
}
}
}
void
BrowserWorld::ShutdownJava() {
ASSERT_ON_RENDER_THREAD();
VRB_LOG("BrowserWorld::ShutdownJava");
GeckoSurfaceTexture::ShutdownJava();
VRBrowser::ShutdownJava();
if (m.env) {
m.env->DeleteGlobalRef(m.activity);
}
m.activity = nullptr;
m.env = nullptr;
}
void
BrowserWorld::ShutdownGL() {
ASSERT_ON_RENDER_THREAD();
VRB_LOG("BrowserWorld::ShutdownGL");
if (!m.glInitialized) {
return;
}
if (m.loader) {
m.loader->ShutdownGL();
}
if (m.context) {
m.context->ShutdownGL();
}
m.glInitialized = false;
}
void
BrowserWorld::Draw() {
ASSERT_ON_RENDER_THREAD();
if (!m.device) {
VRB_WARN("No device");
return;
}
if (m.paused) {
VRB_LOG("BrowserWorld Paused");
return;
}
if (!m.glInitialized) {
m.glInitialized = m.context->InitializeGL();
if (!m.glInitialized) {
VRB_LOG("Failed to initialize GL");
return;
}
}
if (m.loaderDelay > 0) {
m.loaderDelay--;
if (m.loaderDelay == 0) {
m.loader->InitializeGL();
}
}
m.device->ProcessEvents();
m.context->Update();
m.externalVR->PullBrowserState();
m.CheckExitImmersive();
if (m.splashAnimation) {
DrawSplashAnimation();
}
else if (m.externalVR->IsPresenting()) {
m.CheckBackButton();
DrawImmersive();
} else {
bool relayoutWidgets = false;
m.UpdateControllers(relayoutWidgets);
if (relayoutWidgets) {
UpdateVisibleWidgets();
}
DrawWorld();
m.externalVR->PushSystemState();
}
// Update the 3d audio engine with the most recent head rotation.
const vrb::Matrix &head = m.device->GetHeadTransform();
const vrb::Vector p = head.GetTranslation();
const vrb::Quaternion q(head);
VRBrowser::HandleAudioPose(q.x(), q.y(), q.z(), q.w(), p.x(), p.y(), p.z());
}
void
BrowserWorld::SetTemporaryFilePath(const std::string& aPath) {
ASSERT_ON_RENDER_THREAD();
VRB_LOG("Got temp path: %s", aPath.c_str());
m.context->GetDataCache()->SetCachePath(aPath);
}
void
BrowserWorld::UpdateEnvironment() {
ASSERT_ON_RENDER_THREAD();
std::string env = VRBrowser::GetActiveEnvironment();
VRB_LOG("Setting environment: %s", env.c_str());
CreateSkyBox(env.c_str(), "");
}
void
BrowserWorld::UpdatePointerColor() {
ASSERT_ON_RENDER_THREAD();
int32_t color = VRBrowser::GetPointerColor();
VRB_LOG("Setting pointer color to: %d:", color);
if (m.controllers)
m.controllers->SetPointerColor(vrb::Color(color));
}
void
BrowserWorld::SetSurfaceTexture(const std::string& aName, jobject& aSurface) {
ASSERT_ON_RENDER_THREAD();
VRB_LOG("SetSurfaceTexture: %s", aName.c_str());
WidgetPtr widget = m.FindWidget([=](const WidgetPtr& aWidget) -> bool {
return aName == aWidget->GetSurfaceTextureName();
});
if (widget) {
int32_t width = 0, height = 0;
widget->GetSurfaceTextureSize(width, height);
VRBrowser::DispatchCreateWidget(widget->GetHandle(), aSurface, width, height);
}
}
void
BrowserWorld::AddWidget(int32_t aHandle, const WidgetPlacementPtr& aPlacement) {
ASSERT_ON_RENDER_THREAD();
if (m.GetWidget(aHandle)) {
VRB_LOG("Widget with handle %d already added, updating it.", aHandle);
UpdateWidget(aHandle, aPlacement);
return;
}
float worldWidth = aPlacement->worldWidth;
if (worldWidth <= 0.0f) {
worldWidth = aPlacement->width * kWorldDPIRatio;
}
int32_t textureWidth = (int32_t)(ceilf(aPlacement->width * aPlacement->density));
int32_t textureHeight = (int32_t)(ceilf(aPlacement->height * aPlacement->density));
const float aspect = (float)textureWidth / (float)textureHeight;
const float worldHeight = worldWidth / aspect;
WidgetPtr widget;
if (aPlacement->cylinder && m.cylinderDensity > 0 && m.device) {
VRLayerCylinderPtr layer = m.device->CreateLayerCylinder(textureWidth, textureHeight, VRLayerQuad::SurfaceType::AndroidSurface);
CylinderPtr cylinder = Cylinder::Create(m.create, layer);
widget = Widget::Create(m.context, aHandle, textureWidth, textureHeight, worldWidth, worldHeight, cylinder);
}
if (!widget) {
VRLayerQuadPtr layer;
if (aPlacement->layer && m.device) {
layer = m.device->CreateLayerQuad(textureWidth, textureHeight, VRLayerQuad::SurfaceType::AndroidSurface);
}
QuadPtr quad = Quad::Create(m.create, worldWidth, worldHeight, layer);
widget = Widget::Create(m.context, aHandle, textureWidth, textureHeight, quad);
}
if (aPlacement->opaque) {
m.rootOpaque->AddNode(widget->GetRoot());
} else {
m.rootTransparent->AddNode(widget->GetRoot());
}
m.widgets.push_back(widget);
UpdateWidget(widget->GetHandle(), aPlacement);
}
void
BrowserWorld::UpdateWidget(int32_t aHandle, const WidgetPlacementPtr& aPlacement) {
ASSERT_ON_RENDER_THREAD();
WidgetPtr widget = m.GetWidget(aHandle);
if (!widget) {
VRB_ERROR("Can't find Widget with handle: %d", aHandle);
return;
}
int32_t oldWidth = 0;
int32_t oldHeight = 0;
if (widget->GetPlacement()) {
oldWidth = widget->GetPlacement()->width;
oldHeight = widget->GetPlacement()->height;
}
widget->SetPlacement(aPlacement);
widget->SetCylinderDensity(m.cylinderDensity);
widget->ToggleWidget(aPlacement->visible);
widget->SetSurfaceTextureSize((int32_t)(ceilf(aPlacement->width * aPlacement->density)),
(int32_t)(ceilf(aPlacement->height * aPlacement->density)));
float worldWidth = 0.0f, worldHeight = 0.0f;
widget->GetWorldSize(worldWidth, worldHeight);
float newWorldWidth = aPlacement->worldWidth;
if (newWorldWidth <= 0.0f) {
newWorldWidth = aPlacement->width * kWorldDPIRatio;
}
if (newWorldWidth != worldWidth || oldWidth != aPlacement->width || oldHeight != aPlacement->height) {
widget->SetWorldWidth(newWorldWidth);
}
LayoutWidget(aHandle);
}
void
BrowserWorld::RemoveWidget(int32_t aHandle) {
ASSERT_ON_RENDER_THREAD();
WidgetPtr widget = m.GetWidget(aHandle);
if (widget) {
widget->ResetFirstDraw();
widget->GetRoot()->RemoveFromParents();
auto it = std::find(m.widgets.begin(), m.widgets.end(), widget);
if (it != m.widgets.end()) {
m.widgets.erase(it);
}
if (widget->GetLayer()) {
m.device->DeleteLayer(widget->GetLayer());
}
}
}
void
BrowserWorld::StartWidgetResize(int32_t aHandle) {
ASSERT_ON_RENDER_THREAD();
WidgetPtr widget = m.GetWidget(aHandle);
if (widget) {
widget->StartResize();
}
}
void
BrowserWorld::FinishWidgetResize(int32_t aHandle) {
ASSERT_ON_RENDER_THREAD();
WidgetPtr widget = m.GetWidget(aHandle);
if (!widget) {
return;
}
widget->FinishResize();
}
void
BrowserWorld::UpdateVisibleWidgets() {
ASSERT_ON_RENDER_THREAD();
for (const WidgetPtr& widget: m.widgets) {
if (widget->IsVisible() && !widget->IsResizing()) {
UpdateWidget(widget->GetHandle(), widget->GetPlacement());
}
}
}
void
BrowserWorld::LayoutWidget(int32_t aHandle) {
WidgetPtr widget = m.GetWidget(aHandle);
WidgetPlacementPtr aPlacement = widget->GetPlacement();
WidgetPtr parent = m.GetWidget(aPlacement->parentHandle);
int32_t parentWidth = 0, parentHeight = 0;
float parentWorldWith = 0.0f, parentWorldHeight = 0.0f;
if (parent) {
parent->GetSurfaceTextureSize(parentWidth, parentHeight);
parent->GetWorldSize(parentWorldWith, parentWorldHeight);
}
float worldWidth = 0.0f, worldHeight = 0.0f;
widget->GetWorldSize(worldWidth, worldHeight);
vrb::Matrix transform = vrb::Matrix::Identity();
if (aPlacement->rotationAxis.Magnitude() > std::numeric_limits<float>::epsilon()) {
transform = vrb::Matrix::Rotation(aPlacement->rotationAxis, aPlacement->rotation);
}
vrb::Vector translation = vrb::Vector(aPlacement->translation.x() * kWorldDPIRatio,
aPlacement->translation.y() * kWorldDPIRatio,
aPlacement->translation.z() * kWorldDPIRatio);
// Widget anchor point
translation -= vrb::Vector((aPlacement->anchor.x() - 0.5f) * worldWidth,
(aPlacement->anchor.y() - 0.5f) * worldHeight,
0.0f);
// Parent anchor point
if (parent) {
translation += vrb::Vector(
parentWorldWith * aPlacement->parentAnchor.x() - parentWorldWith * 0.5f,
parentWorldHeight * aPlacement->parentAnchor.y() - parentWorldHeight * 0.5f,
0.0f);
}
transform.TranslateInPlace(translation);
if (!parent) {
translation = transform.GetTranslation();
}
widget->SetTransform(parent ? parent->GetTransform().PostMultiply(transform) : transform);
}
void
BrowserWorld::SetBrightness(const float aBrightness) {
ASSERT_ON_RENDER_THREAD();
m.fadeAnimation->SetBrightness(aBrightness);
}
void
BrowserWorld::ExitImmersive() {
ASSERT_ON_RENDER_THREAD();
m.exitImmersiveRequested = true;
}
void
BrowserWorld::ShowVRVideo(const int aWindowHandle, const int aVideoProjection) {
WidgetPtr widget = m.GetWidget(aWindowHandle);
if (!widget) {
VRB_ERROR("Can't find Widget for VRVideo with handle: %d", aWindowHandle);
return;
}
if (m.vrVideo) {
m.vrVideo->Exit();
}
auto projection = static_cast<VRVideo::VRVideoProjection>(aVideoProjection);
m.vrVideo = VRVideo::Create(m.create, widget, projection, m.device);
if (m.skybox && projection != VRVideo::VRVideoProjection::VIDEO_PROJECTION_3D_SIDE_BY_SIDE) {
m.skybox->SetVisible(false);
}
if (m.fadeAnimation && projection != VRVideo::VRVideoProjection::VIDEO_PROJECTION_3D_SIDE_BY_SIDE) {
m.fadeAnimation->SetVisible(false);
}
}
void
BrowserWorld::HideVRVideo() {
if (m.vrVideo) {
m.vrVideo->Exit();
}
m.vrVideo = nullptr;
if (m.skybox) {
m.skybox->SetVisible(true);
}
if (m.fadeAnimation) {
m.fadeAnimation->SetVisible(true);
}
}
void
BrowserWorld::SetControllersVisible(const bool aVisible) {
m.controllers->SetVisible(aVisible);
}
void
BrowserWorld::ResetUIYaw() {
vrb::Matrix head = m.device->GetHeadTransform();
vrb::Vector vector = head.MultiplyDirection(vrb::Vector(1.0f, 0.0f, 0.0f));
const float yaw = atan2(vector.z(), vector.x());
vrb::Matrix matrix = vrb::Matrix::Rotation(vrb::Vector(0.0f, 1.0f, 0.0f), -yaw);
m.device->SetReorientTransform(matrix);
}
void
BrowserWorld::SetCylinderDensity(const float aDensity) {
m.cylinderDensity = aDensity;
for (WidgetPtr& widget: m.widgets) {
widget->SetCylinderDensity(aDensity);
}
}
JNIEnv*
BrowserWorld::GetJNIEnv() const {
ASSERT_ON_RENDER_THREAD(nullptr);
return m.env;
}
BrowserWorldPtr
BrowserWorld::Create() {
BrowserWorldPtr result = std::make_shared<vrb::ConcreteClass<BrowserWorld, BrowserWorld::State> >();
result->m.self = result;
result->m.surfaceObserver = std::make_shared<SurfaceObserver>(result->m.self);
result->m.context->GetSurfaceTextureFactory()->AddGlobalObserver(result->m.surfaceObserver);
return result;
}
BrowserWorld::BrowserWorld(State& aState) : m(aState) {}
BrowserWorld::~BrowserWorld() {}
void
BrowserWorld::DrawWorld() {
m.externalVR->SetCompositorEnabled(true);
m.device->SetRenderMode(device::RenderMode::StandAlone);
if (m.fadeAnimation) {
m.fadeAnimation->UpdateAnimation();
}
vrb::Vector headPosition = m.device->GetHeadTransform().GetTranslation();
vrb::Vector headDirection = m.device->GetHeadTransform().MultiplyDirection(vrb::Vector(0.0f, 0.0f, -1.0f));
if (m.skybox) {
m.skybox->SetTransform(vrb::Matrix::Translation(headPosition));
}
m.rootTransparent->SortNodes([=](const NodePtr& a, const NodePtr& b) {
float da = DistanceToPlane(a, headPosition, headDirection);
float db = DistanceToPlane(b, headPosition, headDirection);
if (da < 0.0f) {
da = std::numeric_limits<float>::max();
}
if (db < 0.0f) {
db = std::numeric_limits<float>::max();
}
return da < db;
});
m.device->StartFrame();
m.rootOpaque->SetTransform(m.device->GetReorientTransform());
m.rootTransparent->SetTransform(m.device->GetReorientTransform());
m.device->BindEye(device::Eye::Left);
m.drawList->Reset();
m.rootOpaqueParent->Cull(*m.cullVisitor, *m.drawList);
m.drawList->Draw(*m.leftCamera);
if (m.vrVideo) {
m.vrVideo->SelectEye(device::Eye::Left);
m.drawList->Reset();
m.vrVideo->GetRoot()->Cull(*m.cullVisitor, *m.drawList);
m.drawList->Draw(*m.leftCamera);
}
m.drawList->Reset();
m.rootController->Cull(*m.cullVisitor, *m.drawList);
m.drawList->Draw(*m.leftCamera);
VRB_GL_CHECK(glDepthMask(GL_FALSE));
m.drawList->Reset();