/* windoze.cpp - Don Yang (uguu.org)

   12/21/00
                                                                           */

#include"global.h"
#include"bg.h"
#include"game.h"
#include"input.h"
#include"main.h"
#include"sprite.h"
#include"windoze.h"


static LRESULT CALLBACK WindowProc(HWND handle, UINT msg,
   WPARAM wparam, LPARAM lparam);

/************************************************************** InitInstance
   Initialize class/window.                                                */
BOOL InitInstance(HINSTANCE inst, int state)
{
   WNDCLASS wndclass;

   if( !CaptureScreen() )                                      // (bg.cpp)
      return FALSE;

   // Create class
   wndclass.style = CS_HREDRAW | CS_VREDRAW;
   wndclass.lpfnWndProc = WindowProc;
   wndclass.cbClsExtra = 0;
   wndclass.cbWndExtra = 0;
   wndclass.hInstance = AppInstance = inst;
   wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(APP_ICON)); // (resource.h)
   wndclass.hCursor = LoadCursor(inst, IDC_ARROW);
   wndclass.hbrBackground = NULL;
   wndclass.lpszMenuName = NULL;
   wndclass.lpszClassName = WINDOW_CLASSNAME;                  // (windoze.h)
   if( !RegisterClass(&wndclass) )
      return Croak("RegisterClass failed");                    // (main.cpp)

   // Create window
   WindowX = (ScreenWidth - APP_WIDTH) / 2;
   WindowY = (ScreenHeight - APP_HEIGHT) / 2;
   AppWindow = CreateWindow(WINDOW_CLASSNAME, WINDOW_TITLE,    // (windoze.h)
      WS_POPUP, WindowX, WindowY, APP_WIDTH, APP_HEIGHT,
      NULL, NULL, inst, NULL);
   if( AppWindow == NULL )
      return Croak("CreateWindow failed");
   ShowWindow(AppWindow, state);
   SetCursor(LoadCursor(NULL, IDC_ARROW));

   return RedrawAll = TRUE;

} // InitInstance()

/**************************************************************** WindowProc
   Windows message handler.                                                */
static LRESULT CALLBACK WindowProc(HWND handle, UINT msg,
   WPARAM wparam, LPARAM lparam)
{
   switch( msg )
   {
      // Input events
      case WM_KEYDOWN:  KeyDown((int)wparam);   return 0;      // (input.cpp)
      case WM_KEYUP:    KeyUp((int)wparam);     return 0;
      case WM_LBUTTONDOWN:
      case WM_LBUTTONUP:
      case WM_RBUTTONDOWN:
      case WM_RBUTTONUP:
         MouseButton((int)LOWORD(lparam), (int)HIWORD(lparam), (int)wparam);
         return 0;
      case WM_MOUSEMOVE:
         MouseMove((int)LOWORD(lparam), (int)HIWORD(lparam), (int)wparam);
         return 0;

      case MM_JOY1MOVE:
      case MM_JOY2MOVE:
         JoyMove(LOWORD(lparam) >> 11, HIWORD(lparam) >> 11);
         return 0;
      case MM_JOY1BUTTONDOWN:
      case MM_JOY2BUTTONDOWN:
         KeyDown(KEY_ROTATE);
         return 0;
      case MM_JOY1BUTTONUP:
      case MM_JOY2BUTTONUP:
         KeyUp(KEY_ROTATE);
         return 0;

      // Game events
      case WM_COMMAND:
         switch( LOWORD(wparam) )
         {
            case APP_MENU_ABOUT:
               MessageBox(AppWindow, ABOUT_STRING, WINDOW_TITLE, MB_OK);
               break;
            case APP_MENU_HELP:
               MessageBox(AppWindow, HELP_STRING, WINDOW_TITLE, MB_OK);
               break;

            case APP_MENU_PAUSE:
               if( GameState > 0 )
                  AppPaused = !AppPaused;
               else
                  AppPaused = FALSE;
               RedrawAll = TRUE;
               break;
            case APP_MENU_NOISE:
               if( GameOptions & OPTION_SND_ALL )
                  GameOptions &= ~OPTION_SND_ALL;
               else
                  GameOptions |= OPTION_SND;
               break;
            case APP_MENU_TRANSPARENT:
               GameOptions ^= OPTION_SPR_TRANSPARENT;
               InitSprites();                // (sprite.cpp)
               RedrawAll = TRUE;
               break;
            case APP_MENU_TRANSLUCENT:
               GameOptions ^= OPTION_SPR_TRANSLUCENT;
               InitSprites();
               RedrawAll = TRUE;
               break;
            case APP_MENU_BACKGROUND:
               GameOptions ^= OPTION_BG_BACKGROUND;
               InitBackground();             // (bg.cpp)
               RedrawAll = TRUE;
               break;

            case APP_MENU_JOYSTICK:
               if( JoystickCaptured )
                  UninitInput();             // (input.cpp)
               else
                  InitInput();
               break;

            case APP_MENU_WHITE_PARTICLE:
               GameOptions ^= OPTION_BG_WHITE_PARTICLE;
               InitBackground();             // (bg.cpp)
               RedrawAll = TRUE;
               break;
            case APP_MENU_FRACTAL:
               if( (GameOptions & OPTION_BG_FX) == OPTION_BG_FRACTAL )
               {
                  GameOptions &= ~OPTION_BG_FX;
               }
               else
               {
                  GameOptions = (GameOptions & ~OPTION_BG_FX)
                              | OPTION_BG_FRACTAL;
               }
               InitBackground();
               RedrawAll = TRUE;
               break;
            case APP_MENU_DUST:
               if( (GameOptions & OPTION_BG_FX) == OPTION_BG_DUST )
               {
                  GameOptions &= ~OPTION_BG_FX;
               }
               else
               {
                  GameOptions = (GameOptions & ~OPTION_BG_FX)
                              | OPTION_BG_DUST;
               }
               InitBackground();
               RedrawAll = TRUE;
               break;
            case APP_MENU_SWARM:
               if( (GameOptions & OPTION_BG_FX) == OPTION_BG_SWARM )
               {
                  GameOptions &= ~OPTION_BG_FX;
               }
               else
               {
                  GameOptions = (GameOptions & ~OPTION_BG_FX)
                              | OPTION_BG_SWARM;
               }
               InitBackground();
               RedrawAll = TRUE;
               break;

            case APP_MENU_RESET:
               ResetGame();                  // (game.cpp)
               break;
            case APP_MENU_CLEAR_HISTORY:
               ResetOptions();               // (game.cpp)
               break;
            case APP_MENU_EXIT:
               DestroyWindow(AppWindow);
               break;
            case APP_MENU_CAPTURE:
               Recapture();                  // (bg.cpp)
               break;
            case APP_MENU_FRAMERATE:
               GameState = SYS_STATE_INIT;
               break;
            default:
               break;
         }
         break;


      // System events
      case WM_ACTIVATE:
         AppActive = wparam;
         return 0;
      case WM_CLOSE:
         DestroyWindow(AppWindow);
         return 0;
      case WM_DESTROY:
         Shutdown();                // (main.cpp)
         PostQuitMessage(0);
         return 0;
      case WM_ERASEBKGND:
         return 0;
      default:
         break;
   }

   // Use default processor
   return DefWindowProc(handle, msg, wparam, lparam);

} // WindowProc()


char *WindozeObjTime = __TIME__ " " __DATE__;
int WindozeObjLines = __LINE__;