diff options
Diffstat (limited to 'macosx/plugins/DFInput/SDL/src/joystick/SDL_joystick.c')
| -rw-r--r-- | macosx/plugins/DFInput/SDL/src/joystick/SDL_joystick.c | 503 |
1 files changed, 0 insertions, 503 deletions
diff --git a/macosx/plugins/DFInput/SDL/src/joystick/SDL_joystick.c b/macosx/plugins/DFInput/SDL/src/joystick/SDL_joystick.c deleted file mode 100644 index 189b811..0000000 --- a/macosx/plugins/DFInput/SDL/src/joystick/SDL_joystick.c +++ /dev/null @@ -1,503 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2010 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" - -/* This is the joystick API for Simple DirectMedia Layer */ -#include "SDL.h" -#include "SDL_sysjoystick.h" -#include "SDL_joystick_c.h" - -/* This is used for Quake III Arena */ -#define SDL_Lock_EventThread() -#define SDL_Unlock_EventThread() - -Uint8 SDL_numjoysticks = 0; -SDL_Joystick **SDL_joysticks = NULL; -static SDL_Joystick *default_joystick = NULL; - -int -SDL_JoystickInit(void) -{ - int arraylen; - int status; - - SDL_numjoysticks = 0; - status = SDL_SYS_JoystickInit(); - if (status >= 0) { - arraylen = (status + 1) * sizeof(*SDL_joysticks); - SDL_joysticks = (SDL_Joystick **) SDL_malloc(arraylen); - if (SDL_joysticks == NULL) { - SDL_numjoysticks = 0; - } else { - SDL_memset(SDL_joysticks, 0, arraylen); - SDL_numjoysticks = status; - } - status = 0; - } - default_joystick = NULL; - return (status); -} - -/* - * Count the number of joysticks attached to the system - */ -int -SDL_NumJoysticks(void) -{ - return SDL_numjoysticks; -} - -/* - * Get the implementation dependent name of a joystick - */ -const char * -SDL_JoystickName(int device_index) -{ - if ((device_index < 0) || (device_index >= SDL_numjoysticks)) { - SDL_SetError("There are %d joysticks available", SDL_numjoysticks); - return (NULL); - } - return (SDL_SYS_JoystickName(device_index)); -} - -/* - * Open a joystick for use - the index passed as an argument refers to - * the N'th joystick on the system. This index is the value which will - * identify this joystick in future joystick events. - * - * This function returns a joystick identifier, or NULL if an error occurred. - */ -SDL_Joystick * -SDL_JoystickOpen(int device_index) -{ - int i; - SDL_Joystick *joystick; - - if ((device_index < 0) || (device_index >= SDL_numjoysticks)) { - SDL_SetError("There are %d joysticks available", SDL_numjoysticks); - return (NULL); - } - - /* If the joystick is already open, return it */ - for (i = 0; SDL_joysticks[i]; ++i) { - if (device_index == SDL_joysticks[i]->index) { - joystick = SDL_joysticks[i]; - ++joystick->ref_count; - return (joystick); - } - } - - /* Create and initialize the joystick */ - joystick = (SDL_Joystick *) SDL_malloc((sizeof *joystick)); - if (joystick == NULL) { - SDL_OutOfMemory(); - return NULL; - } - - SDL_memset(joystick, 0, (sizeof *joystick)); - joystick->index = device_index; - if (SDL_SYS_JoystickOpen(joystick) < 0) { - SDL_free(joystick); - return NULL; - } - if (joystick->naxes > 0) { - joystick->axes = (Sint16 *) SDL_malloc - (joystick->naxes * sizeof(Sint16)); - } - if (joystick->nhats > 0) { - joystick->hats = (Uint8 *) SDL_malloc - (joystick->nhats * sizeof(Uint8)); - } - if (joystick->nballs > 0) { - joystick->balls = (struct balldelta *) SDL_malloc - (joystick->nballs * sizeof(*joystick->balls)); - } - if (joystick->nbuttons > 0) { - joystick->buttons = (Uint8 *) SDL_malloc - (joystick->nbuttons * sizeof(Uint8)); - } - if (((joystick->naxes > 0) && !joystick->axes) - || ((joystick->nhats > 0) && !joystick->hats) - || ((joystick->nballs > 0) && !joystick->balls) - || ((joystick->nbuttons > 0) && !joystick->buttons)) { - SDL_OutOfMemory(); - SDL_JoystickClose(joystick); - return NULL; - } - if (joystick->axes) { - SDL_memset(joystick->axes, 0, joystick->naxes * sizeof(Sint16)); - } - if (joystick->hats) { - SDL_memset(joystick->hats, 0, joystick->nhats * sizeof(Uint8)); - } - if (joystick->balls) { - SDL_memset(joystick->balls, 0, - joystick->nballs * sizeof(*joystick->balls)); - } - if (joystick->buttons) { - SDL_memset(joystick->buttons, 0, joystick->nbuttons * sizeof(Uint8)); - } - - /* Add joystick to list */ - ++joystick->ref_count; - SDL_Lock_EventThread(); - for (i = 0; SDL_joysticks[i]; ++i) - /* Skip to next joystick */ ; - SDL_joysticks[i] = joystick; - SDL_Unlock_EventThread(); - - return (joystick); -} - -/* - * Returns 1 if the joystick has been opened, or 0 if it has not. - */ -int -SDL_JoystickOpened(int device_index) -{ - int i, opened; - - opened = 0; - for (i = 0; SDL_joysticks[i]; ++i) { - if (SDL_joysticks[i]->index == (Uint8) device_index) { - opened = 1; - break; - } - } - return (opened); -} - - -/* - * Checks to make sure the joystick is valid. - */ -int -SDL_PrivateJoystickValid(SDL_Joystick ** joystick) -{ - int valid; - - if (*joystick == NULL) { - *joystick = default_joystick; - } - if (*joystick == NULL) { - SDL_SetError("Joystick hasn't been opened yet"); - valid = 0; - } else { - valid = 1; - } - return valid; -} - -/* - * Get the device index of an opened joystick. - */ -int -SDL_JoystickIndex(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->index); -} - -/* - * Get the number of multi-dimensional axis controls on a joystick - */ -int -SDL_JoystickNumAxes(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->naxes); -} - -/* - * Get the number of hats on a joystick - */ -int -SDL_JoystickNumHats(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->nhats); -} - -/* - * Get the number of trackballs on a joystick - */ -int -SDL_JoystickNumBalls(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->nballs); -} - -/* - * Get the number of buttons on a joystick - */ -int -SDL_JoystickNumButtons(SDL_Joystick * joystick) -{ - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - return (joystick->nbuttons); -} - -/* - * Get the current state of an axis control on a joystick - */ -Sint16 -SDL_JoystickGetAxis(SDL_Joystick * joystick, int axis) -{ - Sint16 state; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (0); - } - if (axis < joystick->naxes) { - state = joystick->axes[axis]; - } else { - SDL_SetError("Joystick only has %d axes", joystick->naxes); - state = 0; - } - return (state); -} - -/* - * Get the current state of a hat on a joystick - */ -Uint8 -SDL_JoystickGetHat(SDL_Joystick * joystick, int hat) -{ - Uint8 state; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (0); - } - if (hat < joystick->nhats) { - state = joystick->hats[hat]; - } else { - SDL_SetError("Joystick only has %d hats", joystick->nhats); - state = 0; - } - return (state); -} - -/* - * Get the ball axis change since the last poll - */ -int -SDL_JoystickGetBall(SDL_Joystick * joystick, int ball, int *dx, int *dy) -{ - int retval; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (-1); - } - - retval = 0; - if (ball < joystick->nballs) { - if (dx) { - *dx = joystick->balls[ball].dx; - } - if (dy) { - *dy = joystick->balls[ball].dy; - } - joystick->balls[ball].dx = 0; - joystick->balls[ball].dy = 0; - } else { - SDL_SetError("Joystick only has %d balls", joystick->nballs); - retval = -1; - } - return (retval); -} - -/* - * Get the current state of a button on a joystick - */ -Uint8 -SDL_JoystickGetButton(SDL_Joystick * joystick, int button) -{ - Uint8 state; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return (0); - } - if (button < joystick->nbuttons) { - state = joystick->buttons[button]; - } else { - SDL_SetError("Joystick only has %d buttons", joystick->nbuttons); - state = 0; - } - return (state); -} - -/* - * Close a joystick previously opened with SDL_JoystickOpen() - */ -void -SDL_JoystickClose(SDL_Joystick * joystick) -{ - int i; - - if (!SDL_PrivateJoystickValid(&joystick)) { - return; - } - - /* First decrement ref count */ - if (--joystick->ref_count > 0) { - return; - } - - /* Lock the event queue - prevent joystick polling */ - SDL_Lock_EventThread(); - - if (joystick == default_joystick) { - default_joystick = NULL; - } - SDL_SYS_JoystickClose(joystick); - - /* Remove joystick from list */ - for (i = 0; SDL_joysticks[i]; ++i) { - if (joystick == SDL_joysticks[i]) { - SDL_memmove(&SDL_joysticks[i], &SDL_joysticks[i + 1], - (SDL_numjoysticks - i) * sizeof(joystick)); - break; - } - } - - /* Let the event thread keep running */ - SDL_Unlock_EventThread(); - - /* Free the data associated with this joystick */ - if (joystick->axes) { - SDL_free(joystick->axes); - } - if (joystick->hats) { - SDL_free(joystick->hats); - } - if (joystick->balls) { - SDL_free(joystick->balls); - } - if (joystick->buttons) { - SDL_free(joystick->buttons); - } - SDL_free(joystick); -} - -void -SDL_JoystickQuit(void) -{ - /* Stop the event polling */ - SDL_Lock_EventThread(); - SDL_numjoysticks = 0; - SDL_Unlock_EventThread(); - - /* Quit the joystick setup */ - SDL_SYS_JoystickQuit(); - if (SDL_joysticks) { - SDL_free(SDL_joysticks); - SDL_joysticks = NULL; - } -} - - -/* These are global for SDL_sysjoystick.c and SDL_events.c */ - -int -SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value) -{ - int posted; - - /* Update internal joystick state */ - joystick->axes[axis] = value; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -int -SDL_PrivateJoystickHat(SDL_Joystick * joystick, Uint8 hat, Uint8 value) -{ - int posted; - - /* Update internal joystick state */ - joystick->hats[hat] = value; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -int -SDL_PrivateJoystickBall(SDL_Joystick * joystick, Uint8 ball, - Sint16 xrel, Sint16 yrel) -{ - int posted; - - /* Update internal mouse state */ - joystick->balls[ball].dx += xrel; - joystick->balls[ball].dy += yrel; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -int -SDL_PrivateJoystickButton(SDL_Joystick * joystick, Uint8 button, Uint8 state) -{ - int posted; - - /* Update internal joystick state */ - joystick->buttons[button] = state; - - /* Post the event, if desired */ - posted = 0; - - return (posted); -} - -void -SDL_JoystickUpdate(void) -{ - int i; - - for (i = 0; SDL_joysticks[i]; ++i) { - SDL_SYS_JoystickUpdate(SDL_joysticks[i]); - } -} - -int -SDL_JoystickEventState(int state) -{ - return SDL_IGNORE; -} |