src/joystick/win32/SDL_dxjoystick.c
author Sam Lantinga <slouken@libsdl.org>
Sun, 21 May 2006 17:27:13 +0000
branchSDL-1.3
changeset 1661 281d3f4870e5
child 1662 782fd950bd46
permissions -rw-r--r--
Moved DirectInput joystick code to 1.3 branch
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef SDL_JOYSTICK_DINPUT
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/* DirectInput joystick driver; written by Glenn Maynard, based on Andrei de
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 * A. Formiga's WINMM driver. 
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 *
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 * Hats and sliders are completely untested; the app I'm writing this for mostly
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 * doesn't use them and I don't own any joysticks with them. 
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 *
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 * We don't bother to use event notification here.  It doesn't seem to work
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 * with polled devices, and it's fine to call IDirectInputDevice2_GetDeviceData and
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 * let it return 0 events. */
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#include "SDL_error.h"
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#include "SDL_events.h"
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#include "SDL_joystick.h"
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#include "../SDL_sysjoystick.h"
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#include "../SDL_joystick_c.h"
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#define DIRECTINPUT_VERSION 0x0500
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#include <dinput.h>
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#define INPUT_QSIZE	32		/* Buffer up to 32 input messages */
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extern HINSTANCE SDL_Instance;
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extern int DX5_Load();
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extern void DX5_Unload();
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extern HRESULT (WINAPI *DInputCreate)(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUT *ppDI, LPUNKNOWN punkOuter);
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static LPDIRECTINPUT dinput = NULL;
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#define MAX_JOYSTICKS	8
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#define MAX_INPUTS	256	/* each joystick can have up to 256 inputs */
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#define AXIS_MIN	-32768  /* minimum value for axis coordinate */
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#define AXIS_MAX	32767   /* maximum value for axis coordinate */
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#define JOY_AXIS_THRESHOLD	(((AXIS_MAX)-(AXIS_MIN))/100) /* 1% motion */
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typedef enum Type { BUTTON, AXIS, HAT } Type;
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/* array to hold joystick ID values */
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static DIDEVICEINSTANCE SYS_Joystick[MAX_JOYSTICKS];
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static int	SYS_NumJoysticks;
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extern HWND SDL_Window;
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typedef struct input_t
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{
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	/* DirectInput offset for this input type: */
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	DWORD ofs;
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	/* Button, axis or hat: */
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	Type type;
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	/* SDL input offset: */
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	Uint8 num;
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} input_t;
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/* The private structure used to keep track of a joystick */
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struct joystick_hwdata
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{
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	LPDIRECTINPUTDEVICE2 InputDevice;
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	int buffered;
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	input_t Inputs[MAX_INPUTS];
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	int NumInputs;
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};
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/* Convert a DirectInput return code to a text message */
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static void SetDIerror(char *function, int code)
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{
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	static char *error;
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	static char  errbuf[1024];
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	errbuf[0] = 0;
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	switch (code) {
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                case DIERR_GENERIC:
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                        error = "Undefined error!";
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                        break;
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		case DIERR_OLDDIRECTINPUTVERSION:
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			error = "Your version of DirectInput needs upgrading";
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			break;
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		case DIERR_INVALIDPARAM:
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                        error = "Invalid parameters";
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                        break;
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                case DIERR_OUTOFMEMORY:
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                        error = "Out of memory";
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                        break;
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		case DIERR_DEVICENOTREG:
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			error = "Device not registered";
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			break;
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		case DIERR_NOINTERFACE:
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			error = "Interface not supported";
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			break;
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		case DIERR_NOTINITIALIZED:
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			error = "Device not initialized";
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			break;
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		default:
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			sprintf(errbuf, "%s: Unknown DirectInput error: 0x%x",
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								function, code);
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			break;
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	}
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	if ( ! errbuf[0] ) {
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		sprintf(errbuf, "%s: %s", function, error);
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	}
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	SDL_SetError("%s", errbuf);
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	return;
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}
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   133
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   134
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BOOL CALLBACK EnumJoysticksCallback( const DIDEVICEINSTANCE* pdidInstance,
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				     VOID* pContext )
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{
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	memcpy(&SYS_Joystick[SYS_NumJoysticks], pdidInstance, sizeof(DIDEVICEINSTANCE));
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	SYS_NumJoysticks++;
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   140
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	if( SYS_NumJoysticks >= MAX_JOYSTICKS )
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	        return DIENUM_STOP;
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   143
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	return DIENUM_CONTINUE;
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}
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static BOOL CALLBACK DIJoystick_EnumDevObjectsProc(LPCDIDEVICEOBJECTINSTANCE dev,
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						    LPVOID pvRef)
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{
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	SDL_Joystick *joystick = (SDL_Joystick*)pvRef;
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	HRESULT result;
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	input_t *in = &joystick->hwdata->Inputs[joystick->hwdata->NumInputs];
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	const int SupportedMask = DIDFT_BUTTON | DIDFT_POV | DIDFT_AXIS;
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	if(!(dev->dwType & SupportedMask))
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	    return DIENUM_CONTINUE; /* unsupported */
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	in->ofs = dev->dwOfs;
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	if(dev->dwType & DIDFT_BUTTON) {
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		in->type = BUTTON;
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		in->num = joystick->nbuttons;
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		joystick->nbuttons++;
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	} else if(dev->dwType & DIDFT_POV) {
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		in->type = HAT;
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		in->num = joystick->nhats;
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		joystick->nhats++;
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	} else { /* dev->dwType & DIDFT_AXIS */
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		DIPROPRANGE diprg;
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		DIPROPDWORD dilong;
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   170
		
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		in->type = AXIS;
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		in->num = joystick->naxes;
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   173
		
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		diprg.diph.dwSize		= sizeof(diprg);
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		diprg.diph.dwHeaderSize	= sizeof(diprg.diph);
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		diprg.diph.dwObj		= dev->dwOfs;
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		diprg.diph.dwHow		= DIPH_BYOFFSET;
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		diprg.lMin			= AXIS_MIN;
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		diprg.lMax			= AXIS_MAX;
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		result = IDirectInputDevice2_SetProperty(joystick->hwdata->InputDevice, DIPROP_RANGE, &diprg.diph);
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		if ( result != DI_OK )
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			return DIENUM_CONTINUE; /* don't use this axis */
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   184
	
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		/* Set dead zone to 0. */
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		dilong.diph.dwSize		= sizeof(dilong);
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		dilong.diph.dwHeaderSize	= sizeof(dilong.diph);
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		dilong.diph.dwObj		= dev->dwOfs;
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		dilong.diph.dwHow		= DIPH_BYOFFSET;
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		dilong.dwData = 0;
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		result = IDirectInputDevice2_SetProperty(joystick->hwdata->InputDevice, DIPROP_DEADZONE, &dilong.diph);
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		if ( result != DI_OK )
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			return DIENUM_CONTINUE; /* don't use this axis */
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   194
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		joystick->naxes++;
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	}
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	joystick->hwdata->NumInputs++;
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	if(joystick->hwdata->NumInputs == MAX_INPUTS)
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		return DIENUM_STOP; /* too many */
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	return DIENUM_CONTINUE;
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}
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/* Function to scan the system for joysticks.
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 * This function should set SDL_numjoysticks to the number of available
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 * joysticks.  Joystick 0 should be the system default joystick.
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 * It should return 0, or -1 on an unrecoverable fatal error.
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 */
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int SDL_SYS_JoystickInit(void)
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{
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	HRESULT result;
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   214
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	SYS_NumJoysticks = 0;
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   216
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	/* Create the DirectInput object */
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	if ( DX5_Load() < 0 ) {
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		SDL_SetError("Couldn't load DirectInput");
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		return(-1);
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	}
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	result = DInputCreate(SDL_Instance, DIRECTINPUT_VERSION,
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							&dinput, NULL);
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	if ( result != DI_OK ) {
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		DX5_Unload();
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		SetDIerror("DirectInputCreate", result);
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		return(-1);
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	}
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   229
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	result = IDirectInput_EnumDevices(dinput,
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			DIDEVTYPE_JOYSTICK, 
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			EnumJoysticksCallback,
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   			NULL,
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			DIEDFL_ATTACHEDONLY );
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   235
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	return SYS_NumJoysticks;
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}
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   238
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/* Function to get the device-dependent name of a joystick */
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const char *SDL_SYS_JoystickName(int index)
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{
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	/***-> test for invalid index ? */
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	return(SYS_Joystick[index].tszProductName);
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   244
}
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   245
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/* Function to open a joystick for use.
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   The joystick to open is specified by the index field of the joystick.
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   This should fill the nbuttons and naxes fields of the joystick structure.
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   It returns 0, or -1 if there is an error.
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 */
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int SDL_SYS_JoystickOpen(SDL_Joystick *joystick)
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{
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	HRESULT result;
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	LPDIRECTINPUTDEVICE device;
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   255
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	/* allocate memory for system specific hardware data */
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	joystick->hwdata = (struct joystick_hwdata *) malloc(sizeof(*joystick->hwdata));
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	if (joystick->hwdata == NULL)
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	{
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		SDL_OutOfMemory();
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		return(-1);
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   262
	}
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   263
	memset(joystick->hwdata, 0, sizeof(*joystick->hwdata));
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   264
	joystick->hwdata->buffered = 1;
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   265
	
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	result = IDirectInput_CreateDevice(dinput, &SYS_Joystick[joystick->index].guidInstance,
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			    &device, NULL);
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   268
	if ( result != DI_OK ) {
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   269
		SetDIerror("DirectInput::CreateDevice", result);
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   270
		return(-1);
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   271
	}
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   272
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   273
	result = IDirectInputDevice_QueryInterface(device,
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   274
		   	    &IID_IDirectInputDevice2, (LPVOID *)&joystick->hwdata->InputDevice);
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   275
	IDirectInputDevice_Release(device);
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   276
	if ( result != DI_OK ) {
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   277
		SetDIerror("DirectInputDevice::QueryInterface", result);
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   278
		return(-1);
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   279
	}
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   280
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   281
	result = IDirectInputDevice2_SetCooperativeLevel(joystick->hwdata->InputDevice, SDL_Window,
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   282
			 DISCL_NONEXCLUSIVE | DISCL_BACKGROUND);
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   283
	if ( result != DI_OK ) {
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   284
		SetDIerror("DirectInputDevice::SetCooperativeLevel", result);
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   285
		return(-1);
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   286
	}
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   287
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   288
	result = IDirectInputDevice2_SetDataFormat(joystick->hwdata->InputDevice, &c_dfDIJoystick);
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   289
	if ( result != DI_OK ) {
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   290
		SetDIerror("DirectInputDevice::SetDataFormat", result);
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   291
		return(-1);
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   292
	}
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   293
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   294
	IDirectInputDevice2_EnumObjects(joystick->hwdata->InputDevice,
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   295
					DIJoystick_EnumDevObjectsProc,
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   296
					joystick,
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   297
					DIDFT_BUTTON | DIDFT_AXIS | DIDFT_POV);
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   298
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   299
	{
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   300
		DIPROPDWORD dipdw;
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   301
		memset(&dipdw, 0, sizeof(dipdw));
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   302
		dipdw.diph.dwSize = sizeof(dipdw);
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   303
		dipdw.diph.dwHeaderSize = sizeof(dipdw.diph);
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   304
		dipdw.diph.dwObj = 0;
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   305
		dipdw.diph.dwHow = DIPH_DEVICE;
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   306
		dipdw.dwData = INPUT_QSIZE;
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   307
		result = IDirectInputDevice2_SetProperty(joystick->hwdata->InputDevice,
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diff changeset
   308
						DIPROP_BUFFERSIZE, &dipdw.diph);
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diff changeset
   309
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   310
		if ( result == DI_POLLEDDEVICE )
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diff changeset
   311
		{
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   312
			/* This device doesn't support buffering, so we're forced
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diff changeset
   313
			 * to use less reliable polling. */
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   314
			joystick->hwdata->buffered = 0;
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diff changeset
   315
		} else if ( result != DI_OK ) {
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   316
			SetDIerror("DirectInputDevice::SetProperty", result);
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   317
			return(-1);
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diff changeset
   318
		}
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diff changeset
   319
	}
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   320
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   321
	return(0);
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diff changeset
   322
}
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   323
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diff changeset
   324
static Uint8 TranslatePOV(DWORD value)
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diff changeset
   325
{
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   326
	const int HAT_VALS[] = {
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   327
	    SDL_HAT_UP,
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diff changeset
   328
	    SDL_HAT_UP   | SDL_HAT_RIGHT,
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diff changeset
   329
	    SDL_HAT_RIGHT,
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parents:
diff changeset
   330
	    SDL_HAT_DOWN | SDL_HAT_RIGHT,
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diff changeset
   331
	    SDL_HAT_DOWN,
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diff changeset
   332
	    SDL_HAT_DOWN | SDL_HAT_LEFT,
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diff changeset
   333
	    SDL_HAT_LEFT,
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diff changeset
   334
	    SDL_HAT_UP   | SDL_HAT_LEFT
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parents:
diff changeset
   335
	};
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parents:
diff changeset
   336
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diff changeset
   337
	if(LOWORD(value) == 0xFFFF)
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diff changeset
   338
	    return SDL_HAT_CENTERED;
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diff changeset
   339
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diff changeset
   340
	/* Round the value up: */
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diff changeset
   341
	value += 4500 / 2;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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diff changeset
   342
	value %= 36000;
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diff changeset
   343
	value /= 4500;
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diff changeset
   344
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diff changeset
   345
	if(value >= 8)
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diff changeset
   346
	    return SDL_HAT_CENTERED; /* shouldn't happen */
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parents:
diff changeset
   347
	
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diff changeset
   348
	return HAT_VALS[value];
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parents:
diff changeset
   349
}
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diff changeset
   350
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diff changeset
   351
/* SDL_PrivateJoystick* doesn't discard duplicate events, so we need to
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parents:
diff changeset
   352
 * do it. */
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diff changeset
   353
static int SDL_PrivateJoystickAxis_Int(SDL_Joystick *joystick, Uint8 axis, Sint16 value)
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diff changeset
   354
{
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diff changeset
   355
	if(joystick->axes[axis] != value)
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parents:
diff changeset
   356
		return SDL_PrivateJoystickAxis(joystick, axis, value);
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diff changeset
   357
	return 0;
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parents:
diff changeset
   358
}
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parents:
diff changeset
   359
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parents:
diff changeset
   360
static int SDL_PrivateJoystickHat_Int(SDL_Joystick *joystick, Uint8 hat, Uint8 value)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   361
{
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parents:
diff changeset
   362
	if(joystick->hats[hat] != value)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   363
		return SDL_PrivateJoystickHat(joystick, hat, value);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   364
	return 0;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   365
}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   366
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parents:
diff changeset
   367
static int SDL_PrivateJoystickButton_Int(SDL_Joystick *joystick, Uint8 button, Uint8 state)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   368
{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   369
	if(joystick->buttons[button] != state)
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parents:
diff changeset
   370
		return SDL_PrivateJoystickButton(joystick, button, state);
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parents:
diff changeset
   371
	return 0;
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parents:
diff changeset
   372
}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   373
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parents:
diff changeset
   374
/* Function to update the state of a joystick - called as a device poll.
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   375
 * This function shouldn't update the joystick structure directly,
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   376
 * but instead should call SDL_PrivateJoystick*() to deliver events
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   377
 * and update joystick device state.
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   378
 */
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   379
void SDL_SYS_JoystickUpdate_Polled(SDL_Joystick *joystick)
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parents:
diff changeset
   380
{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   381
	DIJOYSTATE state;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   382
	HRESULT  result;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   383
	int i;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   384
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   385
	result = IDirectInputDevice2_GetDeviceState(joystick->hwdata->InputDevice, sizeof(state), &state);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   386
	if ( result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED ) {
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   387
		IDirectInputDevice2_Acquire(joystick->hwdata->InputDevice);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   388
		result = IDirectInputDevice2_GetDeviceState(joystick->hwdata->InputDevice, sizeof(state), &state);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   389
	}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   390
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   391
	/* Set each known axis, button and POV. */
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   392
	for(i = 0; i < joystick->hwdata->NumInputs; ++i)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
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parents:
diff changeset
   393
	{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   394
		const input_t *in = &joystick->hwdata->Inputs[i];
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   395
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   396
		switch(in->type)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   397
		{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   398
		case AXIS:
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   399
			switch(in->ofs)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   400
			{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   401
			case DIJOFS_X: SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.lX); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   402
			case DIJOFS_Y: SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.lY); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   403
			case DIJOFS_Z: SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.lZ); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   404
			case DIJOFS_RX: SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.lRx); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   405
			case DIJOFS_RY: SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.lRy); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   406
			case DIJOFS_RZ: SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.lRz); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   407
			case DIJOFS_SLIDER(0): SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.rglSlider[0]); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   408
			case DIJOFS_SLIDER(1): SDL_PrivateJoystickAxis_Int(joystick, in->num, (Sint16)state.rglSlider[0]); break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   409
			}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   410
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   411
			break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   412
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   413
		case BUTTON:
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   414
			SDL_PrivateJoystickButton_Int(joystick, in->num, (Uint8) (state.rgbButtons[in->ofs - DIJOFS_BUTTON0]?SDL_PRESSED:SDL_RELEASED));
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   415
			break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   416
		case HAT:
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   417
		    {
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   418
			Uint8 pos = TranslatePOV(state.rgdwPOV[in->ofs - DIJOFS_POV(0)]);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   419
			SDL_PrivateJoystickHat_Int(joystick, in->num, pos);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   420
			break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   421
		    }
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   422
		}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   423
	}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   424
}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   425
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   426
void SDL_SYS_JoystickUpdate_Buffered(SDL_Joystick *joystick)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   427
{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   428
	int i;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   429
	HRESULT  result;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   430
	DWORD numevents;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   431
	DIDEVICEOBJECTDATA evtbuf[INPUT_QSIZE];
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   432
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   433
	numevents = INPUT_QSIZE;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   434
	result = IDirectInputDevice2_GetDeviceData(
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   435
			joystick->hwdata->InputDevice, sizeof(DIDEVICEOBJECTDATA),
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   436
						evtbuf, &numevents, 0);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   437
	if ( result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED ) {
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   438
		IDirectInputDevice2_Acquire(joystick->hwdata->InputDevice);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   439
		result = IDirectInputDevice2_GetDeviceData(
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   440
			joystick->hwdata->InputDevice, sizeof(DIDEVICEOBJECTDATA),
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   441
						evtbuf, &numevents, 0);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   442
	}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   443
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   444
	/* Handle the events */
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   445
	if ( result != DI_OK )
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   446
	    return;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   447
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   448
	for(i = 0; i < (int) numevents; ++i)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   449
	{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   450
		int j;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   451
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   452
		for(j = 0; j < joystick->hwdata->NumInputs; ++j)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   453
		{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   454
			const input_t *in = &joystick->hwdata->Inputs[j];
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   455
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   456
			if(evtbuf[i].dwOfs != in->ofs)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   457
				continue;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   458
		
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   459
			switch(in->type)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   460
			{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   461
			case AXIS:
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   462
				SDL_PrivateJoystickAxis(joystick, in->num, (Sint16)evtbuf[i].dwData);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   463
				break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   464
			case BUTTON:
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   465
				SDL_PrivateJoystickButton(joystick, in->num, (Uint8) (evtbuf[i].dwData?SDL_PRESSED:SDL_RELEASED));
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   466
				break;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   467
			case HAT:
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   468
			    {
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   469
				Uint8 pos = TranslatePOV(evtbuf[i].dwData);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   470
				SDL_PrivateJoystickHat(joystick, in->num, pos);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   471
			    }
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   472
			}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   473
		}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   474
	}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   475
}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   476
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   477
void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   478
{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   479
	HRESULT  result;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   480
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   481
	result = IDirectInputDevice2_Poll(joystick->hwdata->InputDevice);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   482
	if (result == DIERR_INPUTLOST || result == DIERR_NOTACQUIRED) {
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   483
		IDirectInputDevice2_Acquire(joystick->hwdata->InputDevice);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   484
		IDirectInputDevice2_Poll(joystick->hwdata->InputDevice);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   485
	}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   486
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   487
	if(joystick->hwdata->buffered)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   488
		SDL_SYS_JoystickUpdate_Buffered(joystick);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   489
	else
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   490
		SDL_SYS_JoystickUpdate_Polled(joystick);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   491
}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   492
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   493
/* Function to close a joystick after use */
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   494
void SDL_SYS_JoystickClose(SDL_Joystick *joystick)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   495
{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   496
	IDirectInputDevice2_Unacquire(joystick->hwdata->InputDevice);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   497
	IDirectInputDevice2_Release(joystick->hwdata->InputDevice);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   498
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   499
	if (joystick->hwdata != NULL) {
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   500
		/* free system specific hardware data */
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   501
		free(joystick->hwdata);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   502
	}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   503
}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   504
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   505
/* Function to perform any system-specific joystick related cleanup */
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   506
void SDL_SYS_JoystickQuit(void)
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   507
{
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   508
	IDirectInput_Release(dinput);
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   509
	dinput = NULL;
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   510
	DX5_Unload();
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   511
}
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   512
281d3f4870e5 Moved DirectInput joystick code to 1.3 branch
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
   513
#endif /* SDL_JOYSTICK_DINPUT */