121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
#include "Game.hpp"
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#include "icon.h"
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#include <numeric>
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#include <SFML/System.hpp>
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#include <SFML/Window/ContextSettings.hpp>
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#include <SFML/Window/Event.hpp>
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#include "Engine/Utils/Perfs.hpp"
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#include "Engine/Utils/Timers.hpp"
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using std::make_shared;
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using std::make_unique;
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#define TARGET_FPS (60)
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std::unique_ptr<SysTimer> mPerfsTimer = nullptr;
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Game::Game(bool dbg) : mbDbgModeEnabled(dbg) {
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InitWindows();
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mCockpitUI = make_unique<CockpitUI>();
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mWorldUI = make_unique<WorldUI>();
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if (mbDbgModeEnabled) {
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mDbgUI = make_unique<DebugUI>();
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mPerfsTimer = make_unique<SysTimer>();
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mPerfsTimer->Reset();
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}
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}
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void Game::InitWindows() {
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// Create default game window
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sf::ContextSettings sWindowSettings;
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sWindowSettings.depthBits = 0;
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sWindowSettings.stencilBits = 0;
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sWindowSettings.antialiasingLevel = 8;
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sWindowSettings.sRgbCapable = true;
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mMainWindow = make_shared<sf::RenderWindow>(
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sf::VideoMode(1280, 720), "ProtoTank",
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(sf::Style::Close | sf::Style::Titlebar),
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sWindowSettings
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);
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mMainWindow->setVerticalSyncEnabled(false); // Never use simultaneously with framerate limiter
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mMainWindow->setFramerateLimit(60);
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mMainWindow->setKeyRepeatEnabled(false);
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mMainWindow->setMouseCursorVisible(true);
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mMainWindow->setIcon(64, 64, _aicon_bin);
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}
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GAME_STATUS Game::Tick(SysTimer& time) {
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static std::vector<double> msTicksMonitoring;
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static double mPrevdelta = 0;
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static unsigned int mFrameCnt = 0;
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double mDelta = time.GetDeltaTimeUs();
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// Debug performance computations
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if (mDbgUI != nullptr && mPerfsTimer != nullptr) {
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msTicksMonitoring.push_back((mDelta - mPrevdelta) / (1000000/TARGET_FPS));
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if (mPerfsTimer->GetDeltaTime() >= 1000) { // Re-evaluate CPU usage every seconds (for FP'S')
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double cpuUsage = 100 * std::accumulate(msTicksMonitoring.begin(), msTicksMonitoring.end(), (double)(0)) / msTicksMonitoring.size();
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mDbgUI->UpdateDebugData(cpuUsage, ((mDelta - mPrevdelta) / 1000), mFrameCnt, (PerfsGetVirtMem() / 1000), (PerfsGetPhysMem() / 1000));
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mFrameCnt = 0;
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msTicksMonitoring.clear();
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mPerfsTimer->Reset();
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}
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}
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sf::Event event;
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while (mMainWindow->pollEvent(event)) {
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if (event.type == sf::Event::Closed)
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mMainWindow->close();
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}
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// Update game stats and internal stuff
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Update();
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// Ugly way to wait for next frame... Maybe create a separate thread for rendering?
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//while(time.GetDeltaTime() < (1000/TARGET_FPS)) {}
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// Process to the final rendering
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if (time.GetDeltaTime() >= (1000/TARGET_FPS)) {
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Render();
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mFrameCnt++;
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time.Reset();
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mPrevdelta = -mDelta;
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} else {
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mPrevdelta = mDelta;
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}
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// Return the current process stat to the head process (TODO: convert to thread)
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if (mMainWindow->isOpen())
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return GAME_RUNNING;
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else
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return GAME_QUIT;
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}
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void Game::Update() {
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mWorldUI->Update();
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mCockpitUI->Update();
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}
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void Game::Render() {
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// Clear the draw buffer
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mMainWindow->clear(sf::Color::Black);
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// Draw the arena view
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mWorldUI->Draw(mMainWindow);
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// Draw the UI above
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mCockpitUI->Draw(mMainWindow);
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// Draw the debug informations if enabled
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if (mDbgUI != nullptr) mDbgUI->DrawDebugData(mMainWindow);
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// Present the draw buffer
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mMainWindow->display();
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} |