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cocos-engine/native/cocos/engine/Engine.cpp

354 lines
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/****************************************************************************
Copyright (c) 2017-2022 Xiamen Yaji Software Co., Ltd.
http://www.cocos.com
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated engine source code (the "Software"), a limited,
worldwide, royalty-free, non-assignable, revocable and non-exclusive license
to use Cocos Creator solely to develop games on your target platforms. You shall
not use Cocos Creator software for developing other software or tools that's
used for developing games. You are not granted to publish, distribute,
sublicense, and/or sell copies of Cocos Creator.
The software or tools in this License Agreement are licensed, not sold.
Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "engine/Engine.h"
#include <functional>
#include "base/AutoreleasePool.h"
#include "base/Macros.h"
#include "platform/BasePlatform.h"
#include "cocos/bindings/jswrapper/SeApi.h"
#include "cocos/renderer/GFXDeviceManager.h"
#include "pipeline/RenderPipeline.h"
#if USE_AUDIO
#include "cocos/audio/include/AudioEngine.h"
#endif
#if USE_SOCKET
#include "cocos/network/WebSocket.h"
#endif
#include <memory>
#include <sstream>
#include "application/ApplicationManager.h"
#include "application/BaseApplication.h"
#include "base/Scheduler.h"
#include "cocos/network/HttpClient.h"
#include "platform/interfaces/modules/ISystemWindow.h"
namespace {
bool setCanvasCallback(se::Object* /*global*/) {
se::AutoHandleScope scope;
se::ScriptEngine* se = se::ScriptEngine::getInstance();
auto* window = CC_CURRENT_ENGINE()->getInterface<cc::ISystemWindow>();
auto handler = window->getWindowHandler();
auto viewSize = window->getViewSize();
std::stringstream ss;
{
ss << "window.innerWidth = " << static_cast<int>(viewSize.x) << ";";
ss << "window.innerHeight = " << static_cast<int>(viewSize.y) << ";";
ss << "window.windowHandler = ";
if (sizeof(handler) == 8) { // use bigint
ss << static_cast<uint64_t>(handler) << "n;";
}
if (sizeof(handler) == 4) {
ss << static_cast<uint32_t>(handler) << ";";
}
}
se->evalString(ss.str().c_str());
return true;
}
} // namespace
namespace cc {
Engine::Engine() {
_scheduler = std::make_shared<Scheduler>();
FileUtils::getInstance()->addSearchPath("Resources", true);
FileUtils::getInstance()->addSearchPath("data", true);
EventDispatcher::init();
se::ScriptEngine::getInstance();
}
Engine::~Engine() {
#if USE_AUDIO
AudioEngine::end();
#endif
pipeline::RenderPipeline::getInstance()->destroy();
EventDispatcher::destroy();
se::ScriptEngine::destroyInstance();
gfx::DeviceManager::destroy();
BasePlatform* platform = BasePlatform::getPlatform();
platform->setHandleEventCallback(nullptr);
}
int32_t Engine::init() {
_scheduler->removeAllFunctionsToBePerformedInCocosThread();
_scheduler->unscheduleAll();
se::ScriptEngine::getInstance()->cleanup();
BasePlatform* platform = BasePlatform::getPlatform();
platform->setHandleEventCallback(
std::bind(&Engine::handleEvent, this, std::placeholders::_1)); // NOLINT(modernize-avoid-bind)
platform->setHandleTouchEventCallback(
std::bind(&Engine::handleTouchEvent, this, std::placeholders::_1)); // NOLINT(modernize-avoid-bind)
se::ScriptEngine::getInstance()->addRegisterCallback(setCanvasCallback);
return 0;
}
int32_t Engine::run() {
BasePlatform* platform = BasePlatform::getPlatform();
platform->runInPlatformThread([&]() {
tick();
});
return 0;
}
void Engine::pause() {
// TODO(cc) : Follow-up support
}
void Engine::resume() {
// TODO(cc) : Follow-up support
}
int Engine::restart() {
_needRestart = true;
return 0;
}
void Engine::close() { // NOLINT
if (cc::EventDispatcher::initialized()) {
cc::EventDispatcher::dispatchCloseEvent();
}
auto* scriptEngine = se::ScriptEngine::getInstance();
cc::PoolManager::getInstance()->getCurrentPool()->clear();
#if USE_AUDIO
cc::AudioEngine::stopAll();
#endif
//#if USE_SOCKET
// cc::network::WebSocket::closeAllConnections();
//#endif
cc::network::HttpClient::destroyInstance();
_scheduler->removeAllFunctionsToBePerformedInCocosThread();
_scheduler->unscheduleAll();
scriptEngine->cleanup();
cc::EventDispatcher::destroy();
// exit
exit(0);
}
uint Engine::getTotalFrames() const {
return _totalFrames;
}
void Engine::setPreferredFramesPerSecond(int fps) {
if (fps == 0) {
return;
}
BasePlatform* platform = BasePlatform::getPlatform();
platform->setFps(fps);
_prefererredNanosecondsPerFrame = static_cast<long>(1.0 / fps * NANOSECONDS_PER_SECOND); //NOLINT(google-runtime-int)
}
void Engine::addEventCallback(OSEventType evType, const EventCb& cb) {
_eventCallbacks.insert(std::make_pair(evType, cb));
}
void Engine::removeEventCallback(OSEventType evType) {
auto it = _eventCallbacks.find(evType);
if (it != _eventCallbacks.end()) {
_eventCallbacks.erase(it);
return;
}
// For debugging.
CCASSERT(false, "Interface does not exist");
}
void Engine::tick() {
if (_needRestart) {
restartVM();
_needRestart = false;
}
static std::chrono::steady_clock::time_point prevTime;
static std::chrono::steady_clock::time_point now;
static float dt = 0.F;
static double dtNS = NANOSECONDS_60FPS;
++_totalFrames;
// iOS/macOS use its own fps limitation algorithm.
#if (CC_PLATFORM == CC_PLATFORM_ANDROID || CC_PLATFORM == CC_PLATFORM_WINDOWS || CC_PLATFORM == CC_PLATFORM_OHOS)
if (dtNS < static_cast<double>(_prefererredNanosecondsPerFrame)) {
std::this_thread::sleep_for(
std::chrono::nanoseconds(_prefererredNanosecondsPerFrame - static_cast<int64_t>(dtNS)));
dtNS = static_cast<double>(_prefererredNanosecondsPerFrame);
}
#endif
prevTime = std::chrono::steady_clock::now();
_scheduler->update(dt);
cc::EventDispatcher::dispatchTickEvent(dt);
LegacyAutoreleasePool* currentPool = PoolManager::getInstance()->getCurrentPool();
if (currentPool) {
currentPool->clear();
}
now = std::chrono::steady_clock::now();
dtNS = dtNS * 0.1 + 0.9 * static_cast<double>(std::chrono::duration_cast<std::chrono::nanoseconds>(now - prevTime).count());
dt = static_cast<float>(dtNS) / NANOSECONDS_PER_SECOND;
}
int32_t Engine::restartVM() {
cc::EventDispatcher::dispatchRestartVM();
pipeline::RenderPipeline::getInstance()->destroy();
auto* scriptEngine = se::ScriptEngine::getInstance();
cc::PoolManager::getInstance()->getCurrentPool()->clear();
#if USE_AUDIO
cc::AudioEngine::stopAll();
#endif
//#if USE_SOCKET
// cc::network::WebSocket::closeAllConnections();
//#endif
cc::network::HttpClient::destroyInstance();
_scheduler->removeAllFunctionsToBePerformedInCocosThread();
_scheduler->unscheduleAll();
scriptEngine->cleanup();
cc::gfx::DeviceManager::destroy();
cc::EventDispatcher::destroy();
// remove all listening events
offAll();
// start
cc::EventDispatcher::init();
CC_CURRENT_APPLICATION()->init();
cc::gfx::DeviceManager::addSurfaceEventListener();
return 0;
}
bool Engine::handleEvent(const OSEvent& ev) {
bool isHandled = false;
OSEventType type = ev.eventType();
if (type == OSEventType::TOUCH_OSEVENT) {
cc::EventDispatcher::dispatchTouchEvent(OSEvent::castEvent<TouchEvent>(ev));
isHandled = true;
} else if (type == OSEventType::MOUSE_OSEVENT) {
cc::EventDispatcher::dispatchMouseEvent(OSEvent::castEvent<MouseEvent>(ev));
isHandled = true;
} else if (type == OSEventType::KEYBOARD_OSEVENT) {
cc::EventDispatcher::dispatchKeyboardEvent(OSEvent::castEvent<KeyboardEvent>(ev));
isHandled = true;
} else if (type == OSEventType::CUSTOM_OSEVENT) {
cc::EventDispatcher::dispatchCustomEvent(OSEvent::castEvent<CustomEvent>(ev));
isHandled = true;
} else if (type == OSEventType::WINDOW_OSEVENT) {
isHandled = dispatchWindowEvent(OSEvent::castEvent<WindowEvent>(ev));
} else if (type == OSEventType::DEVICE_OSEVENT) {
isHandled = dispatchDeviceEvent(OSEvent::castEvent<DeviceEvent>(ev));
}
isHandled = dispatchEventToApp(type, ev);
return isHandled;
}
bool Engine::handleTouchEvent(const TouchEvent& ev) { // NOLINT(readability-convert-member-functions-to-static)
cc::EventDispatcher::dispatchTouchEvent(ev);
return true;
}
Engine::SchedulerPtr Engine::getScheduler() const {
return _scheduler;
}
bool Engine::dispatchDeviceEvent(const DeviceEvent& ev) { // NOLINT(readability-convert-member-functions-to-static)
if (ev.type == DeviceEvent::Type::DEVICE_MEMORY) {
cc::EventDispatcher::dispatchMemoryWarningEvent();
return true;
}
return false;
}
bool Engine::dispatchWindowEvent(const WindowEvent& ev) {
bool isHandled = false;
if (ev.type == WindowEvent::Type::SHOW ||
ev.type == WindowEvent::Type::RESTORED) {
emit(static_cast<int>(ON_RESUME));
#if CC_PLATFORM == CC_PLATFORM_WINDOWS
cc::EventDispatcher::dispatchRecreateWindowEvent();
#endif
cc::EventDispatcher::dispatchEnterForegroundEvent();
isHandled = true;
} else if (ev.type == WindowEvent::Type::SIZE_CHANGED ||
ev.type == WindowEvent::Type::RESIZED) {
cc::EventDispatcher::dispatchResizeEvent(ev.width, ev.height);
auto* w = CC_GET_PLATFORM_INTERFACE(ISystemWindow);
w->setViewSize(ev.width, ev.height);
isHandled = true;
} else if (ev.type == WindowEvent::Type::HIDDEN ||
ev.type == WindowEvent::Type::MINIMIZED) {
emit(static_cast<int>(ON_PAUSE));
#if CC_PLATFORM == CC_PLATFORM_WINDOWS
cc::EventDispatcher::dispatchDestroyWindowEvent();
#endif
cc::EventDispatcher::dispatchEnterBackgroundEvent();
isHandled = true;
} else if (ev.type == WindowEvent::Type::CLOSE) {
emit(static_cast<int>(ON_CLOSE));
cc::EventDispatcher::dispatchCloseEvent();
isHandled = true;
} else if (ev.type == WindowEvent::Type::QUIT) {
// There is no need to process the quit message,
// the quit message is a custom message for the application
isHandled = true;
}
return isHandled;
}
bool Engine::dispatchEventToApp(OSEventType type, const OSEvent& ev) {
auto it = _eventCallbacks.find(type);
if (it != _eventCallbacks.end()) {
it->second(ev);
return true;
}
return false;
}
} // namespace cc