diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/joystick/beos/SDL_bejoystick.cc')
| -rw-r--r-- | distrib/sdl-1.2.12/src/joystick/beos/SDL_bejoystick.cc | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/distrib/sdl-1.2.12/src/joystick/beos/SDL_bejoystick.cc b/distrib/sdl-1.2.12/src/joystick/beos/SDL_bejoystick.cc deleted file mode 100644 index 7c52b86..0000000 --- a/distrib/sdl-1.2.12/src/joystick/beos/SDL_bejoystick.cc +++ /dev/null @@ -1,237 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#ifdef SDL_JOYSTICK_BEOS - -/* This is the system specific header for the SDL joystick API */ - -#include <be/support/String.h> -#include <be/device/Joystick.h> - -extern "C" { - -#include "SDL_joystick.h" -#include "../SDL_sysjoystick.h" -#include "../SDL_joystick_c.h" - - -/* The maximum number of joysticks we'll detect */ -#define MAX_JOYSTICKS 16 - -/* A list of available joysticks */ -static char *SDL_joyport[MAX_JOYSTICKS]; -static char *SDL_joyname[MAX_JOYSTICKS]; - -/* The private structure used to keep track of a joystick */ -struct joystick_hwdata { - BJoystick *stick; - uint8 *new_hats; - int16 *new_axes; -}; - -/* Function to scan the system for joysticks. - * This function should set SDL_numjoysticks to the number of available - * joysticks. Joystick 0 should be the system default joystick. - * It should return 0, or -1 on an unrecoverable fatal error. - */ -int SDL_SYS_JoystickInit(void) -{ - BJoystick joystick; - int numjoysticks; - int i; - int32 nports; - char name[B_OS_NAME_LENGTH]; - - /* Search for attached joysticks */ - nports = joystick.CountDevices(); - numjoysticks = 0; - SDL_memset(SDL_joyport, 0, (sizeof SDL_joyport)); - SDL_memset(SDL_joyname, 0, (sizeof SDL_joyname)); - for ( i=0; (SDL_numjoysticks < MAX_JOYSTICKS) && (i < nports); ++i ) { - if ( joystick.GetDeviceName(i, name) == B_OK ) { - if ( joystick.Open(name) != B_ERROR ) { - BString stick_name; - joystick.GetControllerName(&stick_name); - SDL_joyport[numjoysticks] = strdup(name); - SDL_joyname[numjoysticks] = - strdup(stick_name.String()); - numjoysticks++; - joystick.Close(); - } - } - } - return(numjoysticks); -} - -/* Function to get the device-dependent name of a joystick */ -const char *SDL_SYS_JoystickName(int index) -{ - return SDL_joyname[index]; -} - -/* Function to open a joystick for use. - The joystick to open is specified by the index field of the joystick. - This should fill the nbuttons and naxes fields of the joystick structure. - It returns 0, or -1 if there is an error. - */ -int SDL_SYS_JoystickOpen(SDL_Joystick *joystick) -{ - BJoystick *stick; - - /* Create the joystick data structure */ - joystick->hwdata = (struct joystick_hwdata *) - SDL_malloc(sizeof(*joystick->hwdata)); - if ( joystick->hwdata == NULL ) { - SDL_OutOfMemory(); - return(-1); - } - SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata)); - stick = new BJoystick; - joystick->hwdata->stick = stick; - - /* Open the requested joystick for use */ - if ( stick->Open(SDL_joyport[joystick->index]) == B_ERROR ) { - SDL_SetError("Unable to open joystick"); - SDL_SYS_JoystickClose(joystick); - return(-1); - } - - /* Set the joystick to calibrated mode */ - stick->EnableCalibration(); - - /* Get the number of buttons, hats, and axes on the joystick */ - joystick->nbuttons = stick->CountButtons(); - joystick->naxes = stick->CountAxes(); - joystick->nhats = stick->CountHats(); - - joystick->hwdata->new_axes = (int16 *) - SDL_malloc(joystick->naxes*sizeof(int16)); - joystick->hwdata->new_hats = (uint8 *) - SDL_malloc(joystick->nhats*sizeof(uint8)); - if ( ! joystick->hwdata->new_hats || ! joystick->hwdata->new_axes ) { - SDL_OutOfMemory(); - SDL_SYS_JoystickClose(joystick); - return(-1); - } - - /* We're done! */ - return(0); -} - -/* Function to update the state of a joystick - called as a device poll. - * This function shouldn't update the joystick structure directly, - * but instead should call SDL_PrivateJoystick*() to deliver events - * and update joystick device state. - */ -void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) -{ - static const Uint8 hat_map[9] = { - SDL_HAT_CENTERED, - SDL_HAT_UP, - SDL_HAT_RIGHTUP, - SDL_HAT_RIGHT, - SDL_HAT_RIGHTDOWN, - SDL_HAT_DOWN, - SDL_HAT_LEFTDOWN, - SDL_HAT_LEFT, - SDL_HAT_LEFTUP - }; - const int JITTER = (32768/10); /* 10% jitter threshold (ok?) */ - - BJoystick *stick; - int i, change; - int16 *axes; - uint8 *hats; - uint32 buttons; - - /* Set up data pointers */ - stick = joystick->hwdata->stick; - axes = joystick->hwdata->new_axes; - hats = joystick->hwdata->new_hats; - - /* Get the new joystick state */ - stick->Update(); - stick->GetAxisValues(axes); - stick->GetHatValues(hats); - buttons = stick->ButtonValues(); - - /* Generate axis motion events */ - for ( i=0; i<joystick->naxes; ++i ) { - change = ((int32)axes[i] - joystick->axes[i]); - if ( (change > JITTER) || (change < -JITTER) ) { - SDL_PrivateJoystickAxis(joystick, i, axes[i]); - } - } - - /* Generate hat change events */ - for ( i=0; i<joystick->nhats; ++i ) { - if ( hats[i] != joystick->hats[i] ) { - SDL_PrivateJoystickHat(joystick, i, hat_map[hats[i]]); - } - } - - /* Generate button events */ - for ( i=0; i<joystick->nbuttons; ++i ) { - if ( (buttons&0x01) != joystick->buttons[i] ) { - SDL_PrivateJoystickButton(joystick, i, (buttons&0x01)); - } - buttons >>= 1; - } -} - -/* Function to close a joystick after use */ -void SDL_SYS_JoystickClose(SDL_Joystick *joystick) -{ - if ( joystick->hwdata ) { - joystick->hwdata->stick->Close(); - delete joystick->hwdata->stick; - if ( joystick->hwdata->new_hats ) { - SDL_free(joystick->hwdata->new_hats); - } - if ( joystick->hwdata->new_axes ) { - SDL_free(joystick->hwdata->new_axes); - } - SDL_free(joystick->hwdata); - joystick->hwdata = NULL; - } -} - -/* Function to perform any system-specific joystick related cleanup */ -void SDL_SYS_JoystickQuit(void) -{ - int i; - - for ( i=0; SDL_joyport[i]; ++i ) { - SDL_free(SDL_joyport[i]); - } - SDL_joyport[0] = NULL; - - for ( i=0; SDL_joyname[i]; ++i ) { - SDL_free(SDL_joyname[i]); - } - SDL_joyname[0] = NULL; -} - -}; // extern "C" - -#endif /* SDL_JOYSTICK_BEOS */ |