462 lines
13 KiB
C++
462 lines
13 KiB
C++
#include "nf/Application.h"
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#include <thread>
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#include "nf/Utility.h"
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namespace nf {
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Application::Application(Config& config) :
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m_currentConfig(config),
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m_running(false),
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m_quit(false),
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m_customWindowIconSet(false),
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m_altWidth(1280),
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m_altHeight(720),
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m_defaultStateAdded(false),
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m_stateChange(false),
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m_stateChangeStarted(false)
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{
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NFLog("Nothin' Fancy v" + (std::string)NFVERSION);
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NFLog("Constructing application");
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NFLog("Width: " + std::to_string(m_currentConfig.width) + ", Height: " + std::to_string(m_currentConfig.height) + ", Fullscreen: " + (m_currentConfig.fullscreen ? "true" : "false") + ", Title: " + m_currentConfig.title);
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if (getApp(true) != nullptr)
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NFError("Cannot create two NF Application objects!");
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setApp(this);
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}
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void Application::setWindowIcon(HICON hIcon) {
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m_customWindowIconSet = true;
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m_windowIcon = hIcon;
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SendMessage(m_window, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
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}
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//TODO: Test these top-level features
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void Application::setWindowCursor(HCURSOR hCursor) {
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SetClassLongPtr(m_window, GCLP_HCURSOR, (LONG_PTR)hCursor);
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}
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Renderer* Application::getRenderer() const {
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if (!m_renderer)
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NFError("Application not running yet!");
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return m_renderer;
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}
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AudioEngine* Application::getAudioEngine() const {
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if(!m_audio)
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NFError("Application not running yet!");
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return m_audio;
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}
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PhysicsEngine* Application::getPhysicsEngine() const {
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if (!m_physics)
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NFError("Application not running yet!");
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return m_physics;
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}
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void Application::addState(Gamestate* state, const std::string& stateName) {
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if (m_states.find(stateName) == m_states.end()) {
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m_states[stateName] = state;
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}
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else
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NFError("State \"" + (std::string)stateName + (std::string)"\" already exists!");
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}
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void Application::setDefaultState(const std::string& stateName) {
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if (!m_defaultStateAdded) {
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if (m_states.find(stateName) != m_states.end()) {
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m_defaultState = stateName;
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m_defaultStateAdded = true;
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}
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else
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NFError("State \"" + (std::string)stateName + (std::string)"\" doesn't exist!");
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}
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else
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NFError("More than one default state defined!");
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}
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const std::string& Application::getDefaultState() {
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return m_defaultState;
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}
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void Application::run() {
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NFLog("Running application...");
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#ifdef NFDEBUG
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Debug::startTimer();
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SetThreadDescription(GetCurrentThread(), L"Input Thread");
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SetConsoleTitle(toWide("Nothin' Fancy v" + (std::string)NFVERSION).data());
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#endif
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if (m_defaultState.empty())
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NFError("No default gamestate has been set!");
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m_hInst = GetModuleHandle(NULL);
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registerWindowClass();
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RECT windowSize = getWindowRect();
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int x = 0;
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int y = 0;
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calculateNewWindowPos(x, y);
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m_window = CreateWindowEx(NULL, m_wclassName, toWide(m_currentConfig.title).data(), WS_OVERLAPPED | WS_SYSMENU | WS_MINIMIZEBOX, x, y, windowSize.right, windowSize.bottom, NULL, NULL, m_hInst, NULL);
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SetProp(m_window, L"App", this);
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if (m_currentConfig.fullscreen) toggleFullscreen();
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showWindow(true);
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m_running = true;
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MSG msg = { };
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std::thread mainThread(&Application::runMainGameThread, this);
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while (m_running) {
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if (m_quit)
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PostMessage(m_window, WM_CLOSE, NULL, NULL);
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while (PeekMessage(&msg, NULL, NULL, NULL, PM_REMOVE)) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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if (msg.message == WM_QUIT) {
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m_running = false;
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break;
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}
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}
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updateMouse();
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std::this_thread::sleep_for(std::chrono::milliseconds(5));
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}
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mainThread.join();
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#ifdef NFDEBUG
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Debug::stopTimer();
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#endif
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NFLog("Exited application");
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}
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bool Application::hasCustomWindowIcon() {
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return m_customWindowIconSet;
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}
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void Application::changeState(const std::string& stateName) {
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if (m_stateChange) return;
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if (m_states.find(stateName) == m_states.end())
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NFError("State \"" + (std::string)stateName + (std::string)"\" doesn't exist!");
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m_stateChange = true;
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m_nextState = m_states[stateName];
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NFLog("Changing to state \"" + stateName + (std::string)"\"");
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}
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Gamestate* Application::getCurrentState() {
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return m_currentState;
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}
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void Application::showWindow(bool show) {
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show ? ShowWindow(m_window, SW_SHOW) : ShowWindow(m_window, SW_HIDE);
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}
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const HWND& Application::getWindow() {
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return m_window;
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}
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//TODO: Throughly test this
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void Application::changeConfig(const Config& in) {
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SetWindowText(m_window, toWide(in.title).data());
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bool temp = m_currentConfig.fullscreen;
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m_currentConfig = in;
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if (in.fullscreen != temp)
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toggleFullscreen();
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if (m_currentConfig.fullscreen)
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return;
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int x = 0, y = 0;
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calculateNewWindowPos(x, y);
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RECT size = getWindowRect();
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SetWindowPos(m_window, HWND_TOP, x, y, size.right, size.bottom, SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
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}
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const Config& Application::getConfig() const {
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return m_currentConfig;
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}
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int Application::getFPS() const {
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return m_FPS;
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}
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bool Application::isKeyHeld(unsigned int code) {
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if (code > 7 && code < 164 && GetForegroundWindow() == m_window)
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return GetKeyState(code) & 0x8000;
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return false;
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}
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bool Application::isKeyPressed(unsigned int code) {
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if (code > 7 && code < 164)
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if (m_inputPressed[code]) {
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m_inputPressed[code] = false;
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return true;
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}
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return false;
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}
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bool Application::isMouseClicked(unsigned int code) {
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if (code < 7)
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if (m_inputPressed[code]) {
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m_inputPressed[code] = false;
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return true;
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}
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return false;
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}
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bool Application::isMouseHeld(unsigned int code) {
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if (code < 7 && GetForegroundWindow() == m_window)
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return GetKeyState(code) & 0x8000;
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return false;
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}
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void Application::trackMouse(bool track) {
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m_trackingMouse = track;
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if (m_trackingMouse == true)
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m_mouseTrackFirst = true;
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}
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void Application::getMouseDiff(int& x, int& y) {
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x = m_mouseDiffX;
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y = m_mouseDiffY;
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m_mouseDiffX = 0;
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m_mouseDiffY = 0;
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}
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Vec2 Application::getMousePos() {
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return Vec2((float)m_mouseX, (float)m_mouseY);
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}
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Application* Application::getApp(bool first) {
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if (!currentApp && !first)
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NFError("No Application has been created yet!");
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return currentApp;
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}
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void Application::registerWindowClass() {
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if (!FindWindow(L"NFClass", NULL)) {
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m_wclassName = L"NFClass";
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WNDCLASS wclass = { };
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wclass.lpszClassName = m_wclassName;
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wclass.hCursor = LoadCursor(NULL, IDC_ARROW);
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wclass.hIcon = NULL;
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wclass.hInstance = m_hInst;
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wclass.lpfnWndProc = Application::WindowProc;
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RegisterClass(&wclass);
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}
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else
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NFError("Cannot run multiple NF applications concurrently!");
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}
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RECT Application::getWindowRect() const {
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int w = m_currentConfig.width;
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int h = m_currentConfig.height;
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RECT temp = { };
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temp.right = w;
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temp.bottom = h;
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AdjustWindowRect(&temp, WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX, false);
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temp.right -= temp.left;
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temp.bottom -= temp.top;
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return temp;
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}
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void Application::calculateNewWindowPos(int& x, int& y) {
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MONITORINFO mi = { sizeof(mi) };
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GetMonitorInfo(MonitorFromWindow(m_window, MONITOR_DEFAULTTOPRIMARY), &mi);
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int monX = (mi.rcWork.right - mi.rcWork.left) / 2;
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int monY = (mi.rcWork.bottom - mi.rcWork.top) / 2;
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x = monX - (m_currentConfig.width / 2);
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y = monY - (m_currentConfig.height / 2);
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}
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void Application::toggleFullscreen() {
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DWORD wndStyle = GetWindowLong(m_window, GWL_STYLE);
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if (wndStyle & WS_OVERLAPPEDWINDOW) {
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MONITORINFO mi = { sizeof(mi) };
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GetMonitorInfo(MonitorFromWindow(m_window, MONITOR_DEFAULTTOPRIMARY), &mi);
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SetWindowLong(m_window, GWL_STYLE, wndStyle & ~WS_OVERLAPPEDWINDOW);
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m_currentConfig.width = mi.rcMonitor.right - mi.rcMonitor.left;
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m_currentConfig.height = mi.rcMonitor.bottom - mi.rcMonitor.top;
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SetWindowPos(m_window, HWND_TOP, mi.rcMonitor.left, mi.rcMonitor.top, m_currentConfig.width, m_currentConfig.height, SWP_NOOWNERZORDER | SWP_FRAMECHANGED);
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}
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else {
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SetWindowLong(m_window, GWL_STYLE, wndStyle | WS_OVERLAPPEDWINDOW & ~WS_MAXIMIZEBOX);
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SetWindowPos(m_window, HWND_TOP, 0, 0, 0, 0, SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE);
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SendMessage(m_window, WM_SETICON, ICON_SMALL, (LPARAM)m_windowIcon);
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}
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}
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void Application::updateMouse() {
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POINT mouse;
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GetCursorPos(&mouse);
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ScreenToClient(m_window, &mouse);
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if (GetFocus() == m_window) {
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m_mouseX = mouse.x;
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m_mouseY = mouse.y;
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if (m_mouseX > m_currentConfig.width)
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m_mouseX = m_currentConfig.width;
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if (m_mouseX < 0)
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m_mouseX = 0;
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if (m_mouseY > m_currentConfig.height)
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m_mouseY = m_currentConfig.height;
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if (m_mouseY < 0)
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m_mouseY = 0;
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if (m_trackingMouse && m_currentState->isRunning()) {
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int middleX = m_currentConfig.width / 2;
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int middleY = m_currentConfig.height / 2;
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m_mouseDiffX += m_mouseX - middleX;
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m_mouseDiffY += middleY - m_mouseY;
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if (m_mouseTrackFirst) {
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m_mouseDiffX = 0;
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m_mouseDiffY = 0;
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m_mouseTrackFirst = false;
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}
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POINT middle = { middleX, middleY };
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ClientToScreen(m_window, &middle);
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SetCursorPos(middle.x, middle.y);
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}
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}
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}
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void Application::quit() {
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m_quit = true;
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}
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void Application::runMainGameThread() {
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#ifdef NFDEBUG
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SetThreadDescription(GetCurrentThread(), L"Main Engine Thread");
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#endif
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m_renderer = new Renderer(this);
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m_audio = new AudioEngine(this);
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m_physics = new PhysicsEngine(this);
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Gamestate* sIntro = new IntroGamestate;
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m_currentState = sIntro;
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m_currentState->run(this, false);
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m_renderer->setFade(true, false, false);
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std::chrono::steady_clock::time_point startOfCurrentFrame = std::chrono::steady_clock::now();
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std::chrono::steady_clock::time_point startOfLastFrame = std::chrono::steady_clock::now();
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while (m_running) {
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startOfCurrentFrame = std::chrono::steady_clock::now();
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m_deltaTime = std::chrono::duration<float>(startOfCurrentFrame - startOfLastFrame).count();
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if (m_deltaTime >= m_minFrametime) {
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//Don't count loading times into delta time
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if (m_stateChange)
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doStateChange();
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startOfLastFrame = std::chrono::steady_clock::now();
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m_physics->update(m_deltaTime);
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m_currentState->update(m_deltaTime);
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m_currentState->render(*m_renderer);
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m_renderer->doFrame(m_currentState->getCamera(), m_deltaTime);
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m_fpsClock2 = std::chrono::steady_clock::now();
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m_fpsDuration = m_fpsClock2 - m_fpsClock1;
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if (m_fpsDuration.count() >= 0.1) {
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m_FPS = (int)std::round(1.0 / m_deltaTime);
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m_fpsClock1 = std::chrono::steady_clock::now();
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}
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}
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}
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m_currentState->stop();
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delete m_physics;
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delete m_audio;
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delete m_renderer;
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delete sIntro;
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}
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void Application::doStateChange() {
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if (!m_stateChangeStarted) {
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m_renderer->setFade(false, true);
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m_stateChangeStarted = true;
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}
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if (m_renderer->isFadeOutComplete()) {
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m_audio->stopAllSounds();
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m_currentState->stop();
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m_currentState = m_nextState;
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m_currentState->run(this);
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m_renderer->setFade(true, false);
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m_stateChange = false;
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m_stateChangeStarted = false;
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}
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}
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void Application::setApp(Application* app) {
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currentApp = app;
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}
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LRESULT CALLBACK Application::WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
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Application* app = (Application*)GetProp(hWnd, L"App");
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switch (uMsg) {
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case WM_CREATE: {
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return 0;
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}
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case WM_SYSKEYDOWN: {
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if (GetKeyState(VK_RETURN) & 0x8000 && !(lParam & (1 << 30))) {
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if (!app->m_currentConfig.fullscreen) {
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app->m_altWidth = app->m_currentConfig.width;
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app->m_altHeight = app->m_currentConfig.height;
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}
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app->changeConfig({ app->m_currentConfig.width, app->m_currentConfig.height, !app->m_currentConfig.fullscreen, app->m_currentConfig.title });
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if (!app->m_currentConfig.fullscreen) {
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app->changeConfig({ app->m_altWidth, app->m_altHeight, app->m_currentConfig.fullscreen, app->m_currentConfig.title });
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}
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return 0;
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}
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break;
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}
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case WM_MENUCHAR: {
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return MNC_CLOSE << 16;
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}
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case WM_KEYDOWN: {
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if (wParam < 164 && !(lParam & (1 << 30)) && GetFocus() == hWnd)
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app->m_inputPressed[wParam] = true;
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return 0;
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}
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case WM_KEYUP: {
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if (wParam < 164 && GetFocus() == hWnd)
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app->m_inputPressed[wParam] = false;
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return 0;
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}
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case WM_LBUTTONDOWN: {
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if (GetFocus() == hWnd)
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app->m_inputPressed[1] = true;
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return 0;
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}
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case WM_LBUTTONUP: {
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if (GetFocus() == hWnd)
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app->m_inputPressed[1] = false;
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return 0;
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}
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case WM_RBUTTONDOWN: {
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if (GetFocus() == hWnd)
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app->m_inputPressed[2] = true;
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return 0;
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}
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case WM_RBUTTONUP: {
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if (GetFocus() == hWnd)
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app->m_inputPressed[2] = false;
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return 0;
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}
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case WM_MBUTTONDOWN: {
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if (GetFocus() == hWnd)
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app->m_inputPressed[4] = true;
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return 0;
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}
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case WM_MBUTTONUP: {
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if (GetFocus() == hWnd)
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app->m_inputPressed[4] = false;
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return 0;
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}
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case WM_SETCURSOR: {
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if (LOWORD(lParam) != HTCLIENT)
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break;
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if (app->m_trackingMouse && app->m_currentState->isRunning() && LOWORD(lParam) == HTCLIENT && GetFocus() == hWnd) {
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SetCursor(NULL);
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return 0;
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}
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break;
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}
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case WM_CLOSE: {
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DestroyWindow(hWnd);
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return 0;
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}
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case WM_DESTROY: {
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PostQuitMessage(0);
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return 0;
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}
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}
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return DefWindowProc(hWnd, uMsg, wParam, lParam);
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}
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Application* Application::currentApp = nullptr;
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} |