Window.cpp

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#include "../../include/private/Core/Window.hpp"
 
#include "../../include/private/Graphics/Common/RendererFactory.hpp"
#include <cstdlib>
#include <cstring>
#include <Core/Logger.hpp>
#include <Events/ApplicationEvent.hpp>
#include <Events/KeyboardEvent.hpp>
#include <Events/MouseEvent.hpp>
 
 
namespace Sleak {
 
int Window::Width = 0;
int Window::Height = 0;
 
Window::Window() : Window(DEF_WIDTH,DEF_HEIGHT,""){}
 
Window::Window(int width, int height, std::string name) 
    : WindowName(name),event() 
    {
      Width = width;
      Height = height;
    }
 
Window::~Window() {
  if (SDLWindow) {
    SDL_DestroyWindow(SDLWindow);
  }
  SDL_Quit();
 
  SLEAK_LOG("The window has been destroyed");
}
 
bool Window::InitializeWindow() {
 
  if(bIsInitialized)
    return false;
 
  auto type = RenderEngine::RendererFactory::GetRendererType();
 
  int GraphicsAPI = 0;
 
  if(type == RenderEngine::RendererType::OpenGL)
    GraphicsAPI = SDL_WINDOW_OPENGL;
  else if(type == RenderEngine::RendererType::Vulkan)
    GraphicsAPI = SDL_WINDOW_VULKAN;
 
  if (!SDL_Init(SDL_INIT_VIDEO)) {
    SLEAK_FATAL("Failed to initialize SDL: %{0}" , SDL_GetError());
    return false;
    }
 
  SDLWindow = SDL_CreateWindow(WindowName.c_str(), Width, Height, GraphicsAPI | SDL_WINDOW_RESIZABLE); 
 
  if (!SDLWindow) {
    SLEAK_FATAL("Failed to create window! {0} ", SDL_GetError()); 
    return false;
  }
 
  if (SDL_Surface* icon = SDL_LoadBMP("assets/branding/icon.bmp")) {
    SDL_SetWindowIcon(SDLWindow, icon);
    SDL_DestroySurface(icon);
  }
 
  if(!SDL_ShowWindow(SDLWindow)) {
    SLEAK_FATAL("Failed to show window! {0} ", SDL_GetError()); 
    return false;
 
  }
 
    DispatchEvent<Sleak::Events::WindowOpenEvent>();
 
  SLEAK_INFO("Window has been initialized and created without any errors!");
 
  SLEAK_INFO("Current used operating system: {0}" , OS);
  #ifdef WINDOW_SYSTEM
  SLEAK_INFO("Current used window system: {0}" , WINDOW_SYSTEM);
  #else
  SLEAK_FATAL("No window system has been detected! are you sure you use a computer?" , WINDOW_SYSTEM);
  #endif
 
  return true;
}
 
void Window::Update() {
  while (SDL_PollEvent(&event)) {
 
    if (m_imguiReady)
      ImGui_ImplSDL3_ProcessEvent(&event);
 
    switch (event.type)
    {
      case SDL_EVENT_WINDOW_RESIZED:
      {
        uint16_t width = event.window.data1;
        uint16_t height = event.window.data2;
 
        Window::Width = width;
        Window::Height = height;
 
        DispatchEvent<Sleak::Events::WindowResizeEvent>(width,height);
 
        break;
      }
      case SDL_EVENT_WINDOW_ENTER_FULLSCREEN:
      {
        DispatchEvent<Sleak::Events::WindowFullScreen>(true);
        break;
      }
      case SDL_EVENT_WINDOW_LEAVE_FULLSCREEN:
      {
        DispatchEvent<Sleak::Events::WindowFullScreen>(false);
        break;
      }
      case SDL_EVENT_QUIT:
      {
        DispatchEvent<Sleak::Events::WindowCloseEvent>();
        EventDispatcher::UnregisterAllEvents();
        bShouldClose = true;
        return;
      }
 
      case SDL_EVENT_KEY_DOWN:
      {
          KeyCode key = static_cast<KeyCode>(event.key.scancode);
          bool isRepeat = event.key.repeat;
 
          DispatchEvent<Sleak::Events::Input::KeyPressedEvent>(key,isRepeat);
          break;
      }
 
      case SDL_EVENT_KEY_UP:
      {
          KeyCode key = static_cast<KeyCode>(event.key.scancode);
 
          DispatchEvent<Sleak::Events::Input::KeyReleasedEvent>(key);
          break;
      }
 
      case SDL_EVENT_MOUSE_BUTTON_DOWN:
      {
          MouseCode button = (MouseCode)event.button.button;
          int x = event.button.x;
          int y = event.button.y;
 
          DispatchEvent<Sleak::Events::Input::MouseButtonPressedEvent>(button,x,y);
          break;
      }
 
      case SDL_EVENT_MOUSE_BUTTON_UP:
      {
        MouseCode button = (MouseCode)event.button.button;
        int x = event.button.x;
        int y = event.button.y;
 
        DispatchEvent<Sleak::Events::Input::MouseButtonReleasedEvent>(button,x,y);
        break;
      }
 
      case SDL_EVENT_MOUSE_MOTION:
      {
          int x = event.motion.x;
          int y = event.motion.y;
          int dx = event.motion.xrel;
          int dy = event.motion.yrel;
 
          DispatchEvent<Sleak::Events::Input::MouseMovedEvent>(x,y);
          break;
      }
 
      case SDL_EVENT_MOUSE_WHEEL:
      {
          int xOffset = event.wheel.x;
          int yOffset = event.wheel.y;
 
          DispatchEvent<Sleak::Events::Input::MouseScrolledEvent>(xOffset, yOffset);
          break;
      }
    }
  }
}
 
void Window::SetFullScreen(bool isFullscreen) {
  
  if(!SDL_SetWindowFullscreen(SDLWindow,isFullscreen))
  {
    SLEAK_INFO("Successfully changed window state: %s", isFullscreen ? "Fullscreen is enabled" : "Fullscreen is disabled");
    bIsFullScreen = isFullscreen;
  }
  else {
    SLEAK_ERROR("Failed to set full screen state! {}",SDL_GetError());
  }
}
 
void Window::SetRelativeMouseMode(bool enabled) {
  SDL_SetWindowRelativeMouseMode(SDLWindow, enabled);
}
 
void Window::Close() {
  bShouldClose = true;
}
 
}