C++ cl_enginefunc_t::Con_DPrintf方法代码示例

/* 
=============== 
IN_StartupJoystick 
=============== 
*/  
void IN_StartupJoystick (void) 
{ 
	int			numdevs;
	JOYCAPS		jc;
	MMRESULT	mmr;
 
 	// assume no joystick
	joy_avail = 0; 

	// abort startup if user requests no joystick
	if ( gEngfuncs.CheckParm ("-nojoy", NULL ) ) 
		return; 
 
	// verify joystick driver is present
	if ((numdevs = joyGetNumDevs ()) == 0)
	{
		gEngfuncs.Con_DPrintf ("joystick not found -- driver not present\n\n");
		return;
	}

	// cycle through the joystick ids for the first valid one
	for (joy_id=0 ; joy_id<numdevs ; joy_id++)
	{
		memset (&ji, 0, sizeof(ji));
		ji.dwSize = sizeof(ji);
		ji.dwFlags = JOY_RETURNCENTERED;

		if ((mmr = joyGetPosEx (joy_id, &ji)) == JOYERR_NOERROR)
			break;
	} 

	// abort startup if we didn't find a valid joystick
	if (mmr != JOYERR_NOERROR)
	{
		gEngfuncs.Con_DPrintf ("joystick not found -- no valid joysticks (%x)\n\n", mmr);
		return;
	}

	// get the capabilities of the selected joystick
	// abort startup if command fails
	memset (&jc, 0, sizeof(jc));
	if ((mmr = joyGetDevCaps (joy_id, &jc, sizeof(jc))) != JOYERR_NOERROR)
	{
		gEngfuncs.Con_DPrintf ("joystick not found -- invalid joystick capabilities (%x)\n\n", mmr); 
		return;
	}

	// save the joystick's number of buttons and POV status
	joy_numbuttons = jc.wNumButtons;
	joy_haspov = jc.wCaps & JOYCAPS_HASPOV;

	// old button and POV states default to no buttons pressed
	joy_oldbuttonstate = joy_oldpovstate = 0;

	// mark the joystick as available and advanced initialization not completed
	// this is needed as cvars are not available during initialization
	gEngfuncs.Con_Printf ("joystick found\n\n", mmr); 
	joy_avail = 1; 
	joy_advancedinit = 0;
}

/*
============
KeyDown
============
*/
void KeyDown (kbutton_t *b)
{
	int		k;
	char	*c;

	c = gEngfuncs.Cmd_Argv(1);
	if (c[0])
		k = atoi(c);
	else
		k = -1;		// typed manually at the console for continuous down

	if (k == b->down[0] || k == b->down[1])
		return;		// repeating key
	
	if (!b->down[0])
		b->down[0] = k;
	else if (!b->down[1])
		b->down[1] = k;
	else
	{
		gEngfuncs.Con_DPrintf ("Three keys down for a button '%c' '%c' '%c'!\n", b->down[0], b->down[1], c);
		return;
	}
	
	if (b->state & 1)
		return;		// still down
	b->state |= 1 + 2;	// down + impulse down
}

/* 
=============== 
IN_StartupJoystick 
=============== 
*/  
void IN_StartupJoystick (void) 
{ 
	// abort startup if user requests no joystick
	if ( gEngfuncs.CheckParm ("-nojoy", NULL ) ) 
		return; 
 
 	// assume no joystick
	joy_avail = 0; 

	int nJoysticks = SDL_NumJoysticks();
	if ( nJoysticks > 0 )
	{
		for ( int i = 0; i < nJoysticks; i++ )
		{
			if ( SDL_IsGameController( i ) )
			{
				s_pJoystick = SDL_GameControllerOpen( i );
				if ( s_pJoystick )
				{
					//save the joystick's number of buttons and POV status
					joy_numbuttons = SDL_CONTROLLER_BUTTON_MAX;
					joy_haspov = 0;
					
					// old button and POV states default to no buttons pressed
					joy_oldbuttonstate = joy_oldpovstate = 0;
					
					// mark the joystick as available and advanced initialization not completed
					// this is needed as cvars are not available during initialization
					gEngfuncs.Con_Printf ("joystick found\n\n", SDL_GameControllerName(s_pJoystick)); 
					joy_avail = 1; 
					joy_advancedinit = 0;
					break;
				}

			}
		}
	}
	else
	{
		gEngfuncs.Con_DPrintf ("joystick not found -- driver not present\n\n");
	}
	
}