/********************************************************************** <BR>
  This file is part of Crack dot Com's free source code release of
  Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
  information about compiling & licensing issues visit this URL</a> 
  <PRE> If that doesn't help, contact Jonathan Clark at 
  golgotha_source@usa.net (Subject should have "GOLG" in it) 
***********************************************************************/

#ifndef __DIRECTX_HH
#define __DIRECTX_HH

#include "image/depth.hh"
#include "image/image16.hh"
#include "video/display.hh"
#include "video/win32/win32_input.hh"
#include <ddraw.h>

void dx_error(sw32 result);

//class directx_mouse_cursor_class;

class directx_display_class : public i4_display_class
{
protected:
  i4_image_class *mouse_pict;    

  I4_SCREEN_TYPE *mouse_save,
                 *screen;
  i4_coord           mouse_hot_x,mouse_hot_y;
  i4_pal_handle_class mouse_pal;
  i4_color           mouse_trans;



  I4_SCREEN_TYPE  *back_buffer;
  i4_bool          win_is_open, exclusive_mode, using_emulation;

  LPDIRECTDRAW        direct_draw_driver;           // DirectDraw object
  LPDIRECTDRAWSURFACE back_surface, primary_surface;


  //  directx_mouse_cursor_class *cursor;
  i4_draw_context_class   *context;

public:
  win32_input_class input;

  i4_bool saw_last, full_screen;

  void get_window_pos(sw32 &x, sw32 &y);

  // this is over-riding in the d3d_display so to search for hardware accelerators
  virtual i4_bool create_direct_draw();


  void destroy_direct_draw();

  directx_display_class();

  class directx_mode : public i4_display_class::mode
  {
    public :   
    directx_display_class *assoc;   // pointer to use, so we can confirm we created this mode

  } amode, cur_mode, *last_found;


  i4_bool create_back_surface(directx_mode *mode);

  virtual w16 width() const
  {
    return back_buffer->width();
  }

  virtual w16 height() const                              
  {
    return back_buffer->height();
  }

  virtual i4_bool remove_cursor() { return i4_T; }

  virtual i4_draw_context_class *get_context() { return context; }

  // called when windows gives us a WM_MOVE message, this tells everyone else interested
  virtual void move_screen(i4_coord x, i4_coord y);


  mode *current_mode() { return &cur_mode; }
  mode *get_first_mode();
  mode *get_next_mode(mode *last_mode);

  virtual i4_bool initialize_mode(mode *which_one);
  i4_bool open_window(directx_mode *mode);
  virtual i4_bool close();


  virtual void flush();
  virtual i4_image_class *get_screen();

  i4_bool set_mouse_shape(i4_cursor_class *cursor);
  virtual i4_bool realize_palette(i4_pal_handle_class pal_id)
  {
    return i4_T;   // pretend like this works for now
  }

  virtual i4_bool lock_mouse_in_place(i4_bool yes_no)
  {
    return input.lock_mouse_in_place(yes_no);
  }


  virtual i4_bool create_surfaces(directx_mode *mode);
  virtual void active(i4_bool act);  
  virtual w32 priority();

  virtual char *name() const { return "DirectX"; }
  virtual i4_bool available();
};


#endif