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epsilon-master/ion/src/simulator/init.cpp 3.12 KB
6663b6c9   adorian   projet complet av...
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  extern "C" {
  #include <assert.h>
  #include <stdio.h>
  #include <string.h>
  #include <unistd.h>
  }
  #include <chrono>
  #include "init.h"
  #include <kandinsky.h>
  #include <FL/Fl.H>
  #include <FL/Fl_Window.H>
  #include <FL/Fl_Box.H>
  
  #include "display/fltklcd.h"
  #include "keyboard/fltkkbd.h"
  #undef None // TODO: Remove me
  
  static FltkLCD * sDisplay;
  static FltkKbd * sKeyboard;
  static KDFrameBuffer * sFrameBuffer;
  
  #define FRAMEBUFFER_ADDRESS (sDisplay->m_framebuffer)
  
  Ion::Events::Event currentEvent = Ion::Events::None;
  
  void terminateHandler(Fl_Widget *) {
    currentEvent = Ion::Events::Termination;
  }
  
  void init_platform() {
    Fl::visual(FL_RGB);
  
    int margin = 10;
    int screen_width = Ion::Display::Width;
    int screen_height = Ion::Display::Height;
    int keyboard_height = screen_width;
  
    Fl_Window * window = new Fl_Window(screen_width+2*margin, margin+screen_height+margin+keyboard_height+margin);
    window->callback(terminateHandler);
  
  #if defined(_WIN32) || defined(_WIN64)
    Fl::set_font(FL_SYMBOL, "Arial Unicode MS");
  #endif
  
    KDColor * pixels = (KDColor *)malloc(Ion::Display::Width*Ion::Display::Height*sizeof(KDColor));
    sFrameBuffer = new KDFrameBuffer(pixels, KDSize(Ion::Display::Width, Ion::Display::Height));
    /*
    sFrameBuffer.drawingArea.origin = KDPointZero;
    sFrameBuffer.drawingArea.size = sFrameBuffer.size;
    sFrameBuffer.drawingCursor = KDPointZero;
    */
  
    sDisplay = new FltkLCD(margin, margin, screen_width, screen_height, pixels);
    sKeyboard = new FltkKbd(margin, margin+screen_height+margin, screen_width, keyboard_height);
  
    window->end();
    window->show();
  
    //KDCurrentContext->fillRect = NULL;
  }
  
  void Ion::Display::pushRect(KDRect r, const KDColor * pixels) {
    sFrameBuffer->pushRect(r, pixels);
  }
  
  void Ion::Display::pushRectUniform(KDRect r, KDColor c) {
    sFrameBuffer->pushRectUniform(r, c);
  }
  
  void Ion::Display::pullRect(KDRect r, KDColor * pixels) {
    sFrameBuffer->pullRect(r, pixels);
  }
  
  void Ion::Display::waitForVBlank() {
  }
  
  Ion::Keyboard::State Ion::Keyboard::scan() {
    Ion::Keyboard::State result = 0;
    for (int i=0; i<Ion::Keyboard::NumberOfKeys; i++) {
      result = result << 1 | sKeyboard->key_down((Ion::Keyboard::Key)(Ion::Keyboard::NumberOfKeys-1-i));
  
    }
    return result;
  }
  
  Ion::Events::Event Ion::Events::getEvent(int * timeout) {
    auto last = std::chrono::high_resolution_clock::now();
    do {
      sDisplay->redraw();
      Fl::wait(*timeout / 1000.0);
      auto next = std::chrono::high_resolution_clock::now();
      long long elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(next - last).count();
      last = next;
      if (elapsed > *timeout) {
        *timeout = 0;
      } else {
        *timeout -= elapsed;
      }
    } while (*timeout && currentEvent == None);
    Event event = currentEvent;
    currentEvent = None;
    return event;
  }
  
  #include <chrono>
  
  void Ion::msleep(long ms) {
    auto start = std::chrono::high_resolution_clock::now();
    while (true) {
      sDisplay->redraw();
      Fl::wait(0);
      auto elapsed = std::chrono::high_resolution_clock::now() - start;
      long long milliseconds = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count();
      if (milliseconds >= ms) {
        break;
      }
    }
  }