19682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 29682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL - Simple DirectMedia Layer 39682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Copyright (C) 1997-2012 Sam Lantinga 49682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 59682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is free software; you can redistribute it and/or 69682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall modify it under the terms of the GNU Lesser General Public 79682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License as published by the Free Software Foundation; either 89682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall version 2.1 of the License, or (at your option) any later version. 99682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This library is distributed in the hope that it will be useful, 119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall but WITHOUT ANY WARRANTY; without even the implied warranty of 129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Lesser General Public License for more details. 149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall You should have received a copy of the GNU Lesser General Public 169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall License along with this library; if not, write to the Free Software 179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sam Lantinga 209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall slouken@libsdl.org 219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall*/ 229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_config.h" 239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* This is the joystick API for Simple DirectMedia Layer */ 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_events.h" 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_sysjoystick.h" 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_joystick_c.h" 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if !SDL_EVENTS_DISABLED 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../events/SDL_events_c.h" 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* This is used for Quake III Arena */ 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if SDL_EVENTS_DISABLED 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define SDL_Lock_EventThread() 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define SDL_Unlock_EventThread() 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallUint8 SDL_numjoysticks = 0; 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_allocatedjoysticks = 0; 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_Joystick **SDL_joysticks = NULL; 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickInit(void) 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int arraylen; 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int status; 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_numjoysticks = 0; 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall status = SDL_SYS_JoystickInit(); 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( status >= 0 ) { 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_allocatedjoysticks = status; 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall arraylen = (SDL_allocatedjoysticks+1)*sizeof(*SDL_joysticks); 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_joysticks = (SDL_Joystick **)SDL_malloc(arraylen); 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_joysticks == NULL ) { 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_numjoysticks = 0; 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_allocatedjoysticks = 0; 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(SDL_joysticks, 0, arraylen); 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_numjoysticks = status; 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall status = 0; 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(status); 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Count the number of joysticks attached to the system 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_NumJoysticks(void) 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_numjoysticks; 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the implementation dependent name of a joystick 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallconst char *SDL_JoystickName(int device_index) 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (device_index < 0) || (device_index >= SDL_numjoysticks) ) { 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("There are %d joysticks available", 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_numjoysticks); 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(SDL_SYS_JoystickName(device_index)); 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Open a joystick for use - the index passed as an argument refers to 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * the N'th joystick on the system. This index is the value which will 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * identify this joystick in future joystick events. 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * This function returns a joystick identifier, or NULL if an error occurred. 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSDL_Joystick *SDL_JoystickOpen(int device_index) 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Joystick *joystick; 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (device_index < 0) || (device_index >= SDL_numjoysticks) ) { 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("There are %d joysticks available", 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_numjoysticks); 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* If the joystick is already open, return it */ 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; SDL_joysticks[i]; ++i ) { 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( device_index == SDL_joysticks[i]->index ) { 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick = SDL_joysticks[i]; 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ++joystick->ref_count; 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(joystick); 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Create and initialize the joystick */ 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick = (SDL_Joystick *)SDL_malloc((sizeof *joystick)); 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( !joystick ) { 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(joystick, 0, (sizeof *joystick)); 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->index = device_index; 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_SYS_JoystickOpen(joystick) < 0 ) { 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick); 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->naxes > 0 ) { 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->axes = (Sint16 *)SDL_malloc 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (joystick->naxes*sizeof(Sint16)); 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->nhats > 0 ) { 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hats = (Uint8 *)SDL_malloc 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (joystick->nhats*sizeof(Uint8)); 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->nballs > 0 ) { 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->balls = (struct balldelta *)SDL_malloc 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (joystick->nballs*sizeof(*joystick->balls)); 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->nbuttons > 0 ) { 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->buttons = (Uint8 *)SDL_malloc 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (joystick->nbuttons*sizeof(Uint8)); 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ((joystick->naxes > 0) && !joystick->axes) 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall || ((joystick->nhats > 0) && !joystick->hats) 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall || ((joystick->nballs > 0) && !joystick->balls) 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall || ((joystick->nbuttons > 0) && !joystick->buttons)) { 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_JoystickClose(joystick); 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(NULL); 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->axes ) { 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(joystick->axes, 0, 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->naxes*sizeof(Sint16)); 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->hats ) { 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(joystick->hats, 0, 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nhats*sizeof(Uint8)); 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->balls ) { 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(joystick->balls, 0, 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nballs*sizeof(*joystick->balls)); 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->buttons ) { 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(joystick->buttons, 0, 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nbuttons*sizeof(Uint8)); 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Add joystick to list */ 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall ++joystick->ref_count; 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; SDL_joysticks[i]; ++i ) 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Skip to next joystick */ ; 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_joysticks[i] = joystick; 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(joystick); 1799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 1829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Returns 1 if the joystick has been opened, or 0 if it has not. 1839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 1849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickOpened(int device_index) 1859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i, opened; 1879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall opened = 0; 1899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; SDL_joysticks[i]; ++i ) { 1909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_joysticks[i]->index == (Uint8)device_index ) { 1919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall opened = 1; 1929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 1939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(opened); 1969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic int ValidJoystick(SDL_Joystick **joystick) 1999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int valid; 2019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( *joystick == NULL ) { 2039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Joystick hasn't been opened yet"); 2049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall valid = 0; 2059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall valid = 1; 2079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return valid; 2099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 2129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the device index of an opened joystick. 2139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickIndex(SDL_Joystick *joystick) 2159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 2179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 2189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(joystick->index); 2209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 2239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the number of multi-dimensional axis controls on a joystick 2249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickNumAxes(SDL_Joystick *joystick) 2269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 2289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 2299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(joystick->naxes); 2319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 2349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the number of hats on a joystick 2359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickNumHats(SDL_Joystick *joystick) 2379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 2399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 2409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(joystick->nhats); 2429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 2459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the number of trackballs on a joystick 2469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickNumBalls(SDL_Joystick *joystick) 2489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 2509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 2519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(joystick->nballs); 2539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 2569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the number of buttons on a joystick 2579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickNumButtons(SDL_Joystick *joystick) 2599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 2619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 2629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(joystick->nbuttons); 2649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 2679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the current state of an axis control on a joystick 2689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallSint16 SDL_JoystickGetAxis(SDL_Joystick *joystick, int axis) 2709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sint16 state; 2729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 2749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 2759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( axis < joystick->naxes ) { 2779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = joystick->axes[axis]; 2789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Joystick only has %d axes", joystick->naxes); 2809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = 0; 2819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(state); 2839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 2869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the current state of a hat on a joystick 2879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallUint8 SDL_JoystickGetHat(SDL_Joystick *joystick, int hat) 2899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Uint8 state; 2919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 2939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 2949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( hat < joystick->nhats ) { 2969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = joystick->hats[hat]; 2979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Joystick only has %d hats", joystick->nhats); 2999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = 0; 3009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(state); 3029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 3059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the ball axis change since the last poll 3069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 3079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickGetBall(SDL_Joystick *joystick, int ball, int *dx, int *dy) 3089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int retval; 3109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 3129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 3139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall retval = 0; 3169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ball < joystick->nballs ) { 3179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( dx ) { 3189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall *dx = joystick->balls[ball].dx; 3199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( dy ) { 3219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall *dy = joystick->balls[ball].dy; 3229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->balls[ball].dx = 0; 3249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->balls[ball].dy = 0; 3259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 3269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Joystick only has %d balls", joystick->nballs); 3279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall retval = -1; 3289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(retval); 3309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 3339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Get the current state of a button on a joystick 3349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 3359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse HallUint8 SDL_JoystickGetButton(SDL_Joystick *joystick, int button) 3369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Uint8 state; 3389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 3409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 3419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( button < joystick->nbuttons ) { 3439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = joystick->buttons[button]; 3449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 3459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("Joystick only has %d buttons",joystick->nbuttons); 3469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = 0; 3479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(state); 3499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* 3529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * Close a joystick previously opened with SDL_JoystickOpen() 3539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 3549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_JoystickClose(SDL_Joystick *joystick) 3559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 3579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! ValidJoystick(&joystick) ) { 3599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 3609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* First decrement ref count */ 3639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( --joystick->ref_count > 0 ) { 3649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 3659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Lock the event queue - prevent joystick polling */ 3689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 3699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SYS_JoystickClose(joystick); 3719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Remove joystick from list */ 3739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; SDL_joysticks[i]; ++i ) { 3749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick == SDL_joysticks[i] ) { 3759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memmove(&SDL_joysticks[i], &SDL_joysticks[i+1], 3769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (SDL_allocatedjoysticks-i)*sizeof(joystick)); 3779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 3789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Let the event thread keep running */ 3829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 3839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Free the data associated with this joystick */ 3859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->axes ) { 3869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick->axes); 3879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->hats ) { 3899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick->hats); 3909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->balls ) { 3929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick->balls); 3939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->buttons ) { 3959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick->buttons); 3969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick); 3989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_JoystickQuit(void) 4019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const int numsticks = SDL_numjoysticks; 4039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 4049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Stop the event polling */ 4069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Lock_EventThread(); 4079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_numjoysticks = 0; 4089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Unlock_EventThread(); 4099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (SDL_joysticks != NULL) { 4119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for (i = 0; i < numsticks; i++) { 4129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Joystick *stick = SDL_joysticks[i]; 4139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (stick && (stick->ref_count >= 1)) { 4149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall stick->ref_count = 1; 4159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_JoystickClose(stick); 4169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Quit the joystick setup */ 4219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SYS_JoystickQuit(); 4229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_joysticks ) { 4239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(SDL_joysticks); 4249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_joysticks = NULL; 4259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_allocatedjoysticks = 0; 4269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* These are global for SDL_sysjoystick.c and SDL_events.c */ 4319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_PrivateJoystickAxis(SDL_Joystick *joystick, Uint8 axis, Sint16 value) 4339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int posted; 4359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Make sure we're not getting garbage events */ 4379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (axis >= joystick->naxes) { 4389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 4399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Update internal joystick state */ 4429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->axes[axis] = value; 4439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Post the event, if desired */ 4459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 0; 4469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if !SDL_EVENTS_DISABLED 4479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_ProcessEvents[SDL_JOYAXISMOTION] == SDL_ENABLE ) { 4489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Event event; 4499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.type = SDL_JOYAXISMOTION; 4509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jaxis.which = joystick->index; 4519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jaxis.axis = axis; 4529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jaxis.value = value; 4539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { 4549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 1; 4559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PushEvent(&event); 4569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* !SDL_EVENTS_DISABLED */ 4599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(posted); 4609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_PrivateJoystickHat(SDL_Joystick *joystick, Uint8 hat, Uint8 value) 4639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int posted; 4659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Make sure we're not getting garbage events */ 4679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (hat >= joystick->nhats) { 4689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 4699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Update internal joystick state */ 4729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hats[hat] = value; 4739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Post the event, if desired */ 4759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 0; 4769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if !SDL_EVENTS_DISABLED 4779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_ProcessEvents[SDL_JOYHATMOTION] == SDL_ENABLE ) { 4789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Event event; 4799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jhat.type = SDL_JOYHATMOTION; 4809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jhat.which = joystick->index; 4819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jhat.hat = hat; 4829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jhat.value = value; 4839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { 4849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 1; 4859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PushEvent(&event); 4869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* !SDL_EVENTS_DISABLED */ 4899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(posted); 4909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_PrivateJoystickBall(SDL_Joystick *joystick, Uint8 ball, 4939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Sint16 xrel, Sint16 yrel) 4949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 4959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int posted; 4969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Make sure we're not getting garbage events */ 4989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (ball >= joystick->nballs) { 4999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 5009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Update internal mouse state */ 5039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->balls[ball].dx += xrel; 5049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->balls[ball].dy += yrel; 5059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Post the event, if desired */ 5079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 0; 5089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if !SDL_EVENTS_DISABLED 5099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_ProcessEvents[SDL_JOYBALLMOTION] == SDL_ENABLE ) { 5109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Event event; 5119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jball.type = SDL_JOYBALLMOTION; 5129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jball.which = joystick->index; 5139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jball.ball = ball; 5149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jball.xrel = xrel; 5159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jball.yrel = yrel; 5169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { 5179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 1; 5189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PushEvent(&event); 5199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* !SDL_EVENTS_DISABLED */ 5229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(posted); 5239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 5249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_PrivateJoystickButton(SDL_Joystick *joystick, Uint8 button, Uint8 state) 5269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 5279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int posted; 5289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if !SDL_EVENTS_DISABLED 5299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_Event event; 5309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall switch ( state ) { 5329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case SDL_PRESSED: 5339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.type = SDL_JOYBUTTONDOWN; 5349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 5359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case SDL_RELEASED: 5369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.type = SDL_JOYBUTTONUP; 5379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 5389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall default: 5399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Invalid state -- bail */ 5409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 5419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* !SDL_EVENTS_DISABLED */ 5439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Make sure we're not getting garbage events */ 5459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (button >= joystick->nbuttons) { 5469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return 0; 5479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Update internal joystick state */ 5509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->buttons[button] = state; 5519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Post the event, if desired */ 5539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 0; 5549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if !SDL_EVENTS_DISABLED 5559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SDL_ProcessEvents[event.type] == SDL_ENABLE ) { 5569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jbutton.which = joystick->index; 5579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jbutton.button = button; 5589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall event.jbutton.state = state; 5599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (SDL_EventOK == NULL) || (*SDL_EventOK)(&event) ) { 5609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall posted = 1; 5619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PushEvent(&event); 5629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* !SDL_EVENTS_DISABLED */ 5659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(posted); 5669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 5679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_JoystickUpdate(void) 5699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 5709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 5719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; SDL_joysticks[i]; ++i ) { 5739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SYS_JoystickUpdate(SDL_joysticks[i]); 5749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 5769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_JoystickEventState(int state) 5789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 5799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#if SDL_EVENTS_DISABLED 5809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return SDL_IGNORE; 5819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#else 5829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall const Uint8 event_list[] = { 5839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_JOYAXISMOTION, SDL_JOYBALLMOTION, SDL_JOYHATMOTION, 5849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_JOYBUTTONDOWN, SDL_JOYBUTTONUP, 5859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall }; 5869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall unsigned int i; 5879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 5889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall switch (state) { 5899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case SDL_QUERY: 5909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = SDL_IGNORE; 5919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; i<SDL_arraysize(event_list); ++i ) { 5929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall state = SDL_EventState(event_list[i],SDL_QUERY); 5939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( state == SDL_ENABLE ) { 5949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 5959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 5979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 5989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall default: 5999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i=0; i<SDL_arraysize(event_list); ++i ) { 6009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_EventState(event_list[i], state); 6019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 6029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 6039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 6049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(state); 6059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* SDL_EVENTS_DISABLED */ 6069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 607