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#ifdef SDL_JOYSTICK_WINMM 259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Win32 MultiMedia Joystick driver, contributed by Andrei de A. Formiga */ 279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define WIN32_LEAN_AND_MEAN 299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <windows.h> 309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <mmsystem.h> 319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include <regstr.h> 329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_events.h" 349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "SDL_joystick.h" 359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../SDL_sysjoystick.h" 369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#include "../SDL_joystick_c.h" 379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define MAX_JOYSTICKS 16 399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define MAX_AXES 6 /* each joystick can have up to 6 axes */ 409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define MAX_BUTTONS 32 /* and 32 buttons */ 419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define AXIS_MIN -32768 /* minimum value for axis coordinate */ 429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define AXIS_MAX 32767 /* maximum value for axis coordinate */ 439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* limit axis to 256 possible positions to filter out noise */ 449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define JOY_AXIS_THRESHOLD (((AXIS_MAX)-(AXIS_MIN))/256) 459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#define JOY_BUTTON_FLAG(n) (1<<n) 469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* array to hold joystick ID values */ 499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic UINT SYS_JoystickID[MAX_JOYSTICKS]; 509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic JOYCAPS SYS_Joystick[MAX_JOYSTICKS]; 519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic char *SYS_JoystickName[MAX_JOYSTICKS]; 529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* The private structure used to keep track of a joystick */ 549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstruct joystick_hwdata 559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* joystick ID */ 579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall UINT id; 589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* values used to translate device-specific coordinates into 609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL-standard ranges */ 619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall struct _transaxis { 629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int offset; 639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall float scale; 649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } transaxis[6]; 659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall}; 669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Convert a win32 Multimedia API return code to a text message */ 689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic void SetMMerror(char *function, int code); 699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic char *GetJoystickName(int index, const char *szRegKey) 729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* added 7/24/2004 by Eckhard Stolberg */ 749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* 759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall see if there is a joystick for the current 769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall index (1-16) listed in the registry 779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char *name = NULL; 799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall HKEY hTopKey; 809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall HKEY hKey; 819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall DWORD regsize; 829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall LONG regresult; 839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char regkey[256]; 849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char regvalue[256]; 859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall char regname[256]; 869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_snprintf(regkey, SDL_arraysize(regkey), "%s\\%s\\%s", 889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall REGSTR_PATH_JOYCONFIG, szRegKey, REGSTR_KEY_JOYCURR); 899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall hTopKey = HKEY_LOCAL_MACHINE; 909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey); 919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (regresult != ERROR_SUCCESS) { 929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall hTopKey = HKEY_CURRENT_USER; 939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey); 949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (regresult != ERROR_SUCCESS) { 969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return NULL; 979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* find the registry key name for the joystick's properties */ 1009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regsize = sizeof(regname); 1019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_snprintf(regvalue, SDL_arraysize(regvalue), "Joystick%d%s", index+1, REGSTR_VAL_JOYOEMNAME); 1029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regresult = RegQueryValueExA(hKey, regvalue, 0, 0, (LPBYTE)regname, ®size); 1039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall RegCloseKey(hKey); 1049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (regresult != ERROR_SUCCESS) { 1069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return NULL; 1079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* open that registry key */ 1109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_snprintf(regkey, SDL_arraysize(regkey), "%s\\%s", REGSTR_PATH_JOYOEM, regname); 1119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey); 1129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (regresult != ERROR_SUCCESS) { 1139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return NULL; 1149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* find the size for the OEM name text */ 1179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regsize = sizeof(regvalue); 1189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regresult = RegQueryValueExA(hKey, REGSTR_VAL_JOYOEMNAME, 0, 0, NULL, ®size); 1199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (regresult == ERROR_SUCCESS) { 1209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* allocate enough memory for the OEM name text ... */ 1219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall name = (char *) SDL_malloc(regsize); 1229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( name ) { 1239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* ... and read it from the registry */ 1249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall regresult = RegQueryValueExA(hKey, 1259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall REGSTR_VAL_JOYOEMNAME, 0, 0, 1269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (LPBYTE) name, ®size); 1279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall RegCloseKey(hKey); 1309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(name); 1329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to scan the system for joysticks. 1359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * This function should set SDL_numjoysticks to the number of available 1369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * joysticks. Joystick 0 should be the system default joystick. 1379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * It should return 0, or -1 on an unrecoverable fatal error. 1389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 1399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_SYS_JoystickInit(void) 1409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 1429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int maxdevs; 1439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int numdevs; 1449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall JOYINFOEX joyinfo; 1459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall JOYCAPS joycaps; 1469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MMRESULT result; 1479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Reset the joystick ID & name mapping tables */ 1499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i = 0; i < MAX_JOYSTICKS; ++i ) { 1509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SYS_JoystickID[i] = 0; 1519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SYS_JoystickName[i] = NULL; 1529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* Loop over all potential joystick devices */ 1559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall numdevs = 0; 1569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall maxdevs = joyGetNumDevs(); 1579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i = JOYSTICKID1; i < maxdevs && numdevs < MAX_JOYSTICKS; ++i ) { 1589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joyinfo.dwSize = sizeof(joyinfo); 1609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joyinfo.dwFlags = JOY_RETURNALL; 1619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall result = joyGetPosEx(i, &joyinfo); 1629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( result == JOYERR_NOERROR ) { 1639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall result = joyGetDevCaps(i, &joycaps, sizeof(joycaps)); 1649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( result == JOYERR_NOERROR ) { 1659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SYS_JoystickID[numdevs] = i; 1669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SYS_Joystick[numdevs] = joycaps; 1679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SYS_JoystickName[numdevs] = GetJoystickName(i, joycaps.szRegKey); 1689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall numdevs++; 1699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(numdevs); 1739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to get the device-dependent name of a joystick */ 1769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallconst char *SDL_SYS_JoystickName(int index) 1779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SYS_JoystickName[index] != NULL ) { 1799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(SYS_JoystickName[index]); 1809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 1819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(SYS_Joystick[index].szPname); 1829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 1839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 1849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to open a joystick for use. 1869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall The joystick to open is specified by the index field of the joystick. 1879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall This should fill the nbuttons and naxes fields of the joystick structure. 1889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall It returns 0, or -1 if there is an error. 1899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 1909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallint SDL_SYS_JoystickOpen(SDL_Joystick *joystick) 1919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 1929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int index, i; 1939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int caps_flags[MAX_AXES-2] = 1949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall { JOYCAPS_HASZ, JOYCAPS_HASR, JOYCAPS_HASU, JOYCAPS_HASV }; 1959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int axis_min[MAX_AXES], axis_max[MAX_AXES]; 1969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 1989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* shortcut */ 1999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall index = joystick->index; 2009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_min[0] = SYS_Joystick[index].wXmin; 2019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_max[0] = SYS_Joystick[index].wXmax; 2029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_min[1] = SYS_Joystick[index].wYmin; 2039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_max[1] = SYS_Joystick[index].wYmax; 2049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_min[2] = SYS_Joystick[index].wZmin; 2059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_max[2] = SYS_Joystick[index].wZmax; 2069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_min[3] = SYS_Joystick[index].wRmin; 2079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_max[3] = SYS_Joystick[index].wRmax; 2089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_min[4] = SYS_Joystick[index].wUmin; 2099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_max[4] = SYS_Joystick[index].wUmax; 2109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_min[5] = SYS_Joystick[index].wVmin; 2119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall axis_max[5] = SYS_Joystick[index].wVmax; 2129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* allocate memory for system specific hardware data */ 2149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata = (struct joystick_hwdata *) SDL_malloc(sizeof(*joystick->hwdata)); 2159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (joystick->hwdata == NULL) 2169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall { 2179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_OutOfMemory(); 2189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(-1); 2199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_memset(joystick->hwdata, 0, sizeof(*joystick->hwdata)); 2219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* set hardware data */ 2239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata->id = SYS_JoystickID[index]; 2249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i = 0; i < MAX_AXES; ++i ) { 2259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (i<2) || (SYS_Joystick[index].wCaps & caps_flags[i-2]) ) { 2269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata->transaxis[i].offset = 2279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall AXIS_MIN - axis_min[i]; 2289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata->transaxis[i].scale = 2299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall (float)(AXIS_MAX - AXIS_MIN) / (axis_max[i] - axis_min[i]); 2309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata->transaxis[i].offset = 0; 2329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata->transaxis[i].scale = 1.0; /* Just in case */ 2339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* fill nbuttons, naxes, and nhats fields */ 2379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nbuttons = SYS_Joystick[index].wNumButtons; 2389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->naxes = SYS_Joystick[index].wNumAxes; 2399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SYS_Joystick[index].wCaps & JOYCAPS_HASPOV ) { 2409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nhats = 1; 2419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 2429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->nhats = 0; 2439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(0); 2459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallstatic Uint8 TranslatePOV(DWORD value) 2489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Uint8 pos; 2509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos = SDL_HAT_CENTERED; 2529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( value != JOY_POVCENTERED ) { 2539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (value > JOY_POVLEFT) || (value < JOY_POVRIGHT) ) { 2549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos |= SDL_HAT_UP; 2559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (value > JOY_POVFORWARD) && (value < JOY_POVBACKWARD) ) { 2579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos |= SDL_HAT_RIGHT; 2589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (value > JOY_POVRIGHT) && (value < JOY_POVLEFT) ) { 2609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos |= SDL_HAT_DOWN; 2619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( value > JOY_POVBACKWARD ) { 2639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos |= SDL_HAT_LEFT; 2649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return(pos); 2679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 2689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to update the state of a joystick - called as a device poll. 2709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * This function shouldn't update the joystick structure directly, 2719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * but instead should call SDL_PrivateJoystick*() to deliver events 2729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall * and update joystick device state. 2739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall */ 2749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_SYS_JoystickUpdate(SDL_Joystick *joystick) 2759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 2769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall MMRESULT result; 2779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 2789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall DWORD flags[MAX_AXES] = { JOY_RETURNX, JOY_RETURNY, JOY_RETURNZ, 2799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall JOY_RETURNR, JOY_RETURNU, JOY_RETURNV }; 2809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall DWORD pos[MAX_AXES]; 2819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall struct _transaxis *transaxis; 2829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int value, change; 2839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall JOYINFOEX joyinfo; 2849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joyinfo.dwSize = sizeof(joyinfo); 2869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joyinfo.dwFlags = JOY_RETURNALL|JOY_RETURNPOVCTS; 2879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! joystick->hats ) { 2889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joyinfo.dwFlags &= ~(JOY_RETURNPOV|JOY_RETURNPOVCTS); 2899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall result = joyGetPosEx(joystick->hwdata->id, &joyinfo); 2919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( result != JOYERR_NOERROR ) { 2929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SetMMerror("joyGetPosEx", result); 2939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall return; 2949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 2959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 2969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* joystick motion events */ 2979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos[0] = joyinfo.dwXpos; 2989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos[1] = joyinfo.dwYpos; 2999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos[2] = joyinfo.dwZpos; 3009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos[3] = joyinfo.dwRpos; 3019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos[4] = joyinfo.dwUpos; 3029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos[5] = joyinfo.dwVpos; 3039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall transaxis = joystick->hwdata->transaxis; 3059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for (i = 0; i < joystick->naxes; i++) { 3069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (joyinfo.dwFlags & flags[i]) { 3079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall value = (int)(((float)pos[i] + transaxis[i].offset) * transaxis[i].scale); 3089682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall change = (value - joystick->axes[i]); 3099682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( (change < -JOY_AXIS_THRESHOLD) || (change > JOY_AXIS_THRESHOLD) ) { 3109682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickAxis(joystick, (Uint8)i, (Sint16)value); 3119682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3129682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3139682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3149682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3159682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* joystick button events */ 3169682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joyinfo.dwFlags & JOY_RETURNBUTTONS ) { 3179682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for ( i = 0; i < joystick->nbuttons; ++i ) { 3189682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joyinfo.dwButtons & JOY_BUTTON_FLAG(i) ) { 3199682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! joystick->buttons[i] ) { 3209682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickButton(joystick, (Uint8)i, SDL_PRESSED); 3219682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3229682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } else { 3239682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joystick->buttons[i] ) { 3249682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickButton(joystick, (Uint8)i, SDL_RELEASED); 3259682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3269682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3279682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3289682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3299682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3309682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* joystick hat events */ 3319682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( joyinfo.dwFlags & JOY_RETURNPOV ) { 3329682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall Uint8 pos; 3339682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3349682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall pos = TranslatePOV(joyinfo.dwPOV); 3359682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( pos != joystick->hats[0] ) { 3369682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_PrivateJoystickHat(joystick, 0, pos); 3379682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3389682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3399682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3409682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3419682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to close a joystick after use */ 3429682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_SYS_JoystickClose(SDL_Joystick *joystick) 3439682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3449682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if (joystick->hwdata != NULL) { 3459682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall /* free system specific hardware data */ 3469682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(joystick->hwdata); 3479682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall joystick->hwdata = NULL; 3489682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3499682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3509682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3519682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* Function to perform any system-specific joystick related cleanup */ 3529682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SDL_SYS_JoystickQuit(void) 3539682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3549682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall int i; 3559682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall for (i = 0; i < MAX_JOYSTICKS; i++) { 3569682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( SYS_JoystickName[i] != NULL ) { 3579682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_free(SYS_JoystickName[i]); 3589682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SYS_JoystickName[i] = NULL; 3599682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3609682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 3619682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 3629682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3639682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3649682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall/* implementation functions */ 3659682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hallvoid SetMMerror(char *function, int code) 3669682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall{ 3679682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall static char *error; 3689682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall static char errbuf[1024]; 3699682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3709682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall errbuf[0] = 0; 3719682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall switch (code) 3729682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall { 3739682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case MMSYSERR_NODRIVER: 3749682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall error = "Joystick driver not present"; 3759682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 3769682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3779682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case MMSYSERR_INVALPARAM: 3789682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case JOYERR_PARMS: 3799682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall error = "Invalid parameter(s)"; 3809682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 3819682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3829682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case MMSYSERR_BADDEVICEID: 3839682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall error = "Bad device ID"; 3849682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 3859682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3869682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case JOYERR_UNPLUGGED: 3879682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall error = "Joystick not attached"; 3889682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 3899682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3909682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall case JOYERR_NOCANDO: 3919682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall error = "Can't capture joystick input"; 3929682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 3939682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 3949682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall default: 3959682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_snprintf(errbuf, SDL_arraysize(errbuf), 3969682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall "%s: Unknown Multimedia system error: 0x%x", 3979682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall function, code); 3989682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall break; 3999682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4009682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4019682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall if ( ! errbuf[0] ) { 4029682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_snprintf(errbuf, SDL_arraysize(errbuf), "%s: %s", function, error); 4039682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall } 4049682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall SDL_SetError("%s", errbuf); 4059682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall} 4069682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall 4079682c8870b8ff5e4ac2e4c70b759f791c6f38c1fJesse Hall#endif /* SDL_JOYSTICK_WINMM */ 408