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add simple test showing off hotplugging of joysticks w/ haptic.
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/* | ||
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org> | ||
This software is provided 'as-is', without any express or implied | ||
warranty. In no event will the authors be held liable for any damages | ||
arising from the use of this software. | ||
Permission is granted to anyone to use this software for any purpose, | ||
including commercial applications, and to alter it and redistribute it | ||
freely. | ||
*/ | ||
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/* Simple program to test the SDL joystick hotplugging */ | ||
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#include <stdio.h> | ||
#include <stdlib.h> | ||
#include <string.h> | ||
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#include "SDL.h" | ||
#include "SDL_haptic.h" | ||
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#ifndef SDL_JOYSTICK_DISABLED | ||
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int | ||
main(int argc, char *argv[]) | ||
{ | ||
SDL_Joystick *joystick = NULL; | ||
SDL_Haptic *haptic = NULL; | ||
SDL_JoystickID instance = -1; | ||
SDL_bool keepGoing = SDL_TRUE; | ||
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/* Enable standard application logging */ | ||
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); | ||
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SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS, "1"); | ||
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/* Initialize SDL (Note: video is required to start event loop) */ | ||
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC) < 0) { | ||
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError()); | ||
exit(1); | ||
} | ||
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//SDL_CreateWindow("Dummy", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 128, 128, 0); | ||
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SDL_Log("There are %d joysticks at startup\n", SDL_NumJoysticks()); | ||
SDL_Log("There are %d haptic devices at startup\n", SDL_NumHaptics()); | ||
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while(keepGoing) | ||
{ | ||
SDL_Event event; | ||
while(SDL_PollEvent(&event)) | ||
{ | ||
switch(event.type) | ||
{ | ||
case SDL_QUIT: | ||
keepGoing = SDL_FALSE; | ||
break; | ||
case SDL_JOYDEVICEADDED: | ||
if (joystick != NULL) | ||
{ | ||
SDL_Log("Only one joystick supported by this test\n"); | ||
} | ||
else | ||
{ | ||
joystick = SDL_JoystickOpen(event.jdevice.which); | ||
instance = SDL_JoystickInstanceID(joystick); | ||
SDL_Log("Joy Added : %d : %s\n", event.jdevice.which, SDL_JoystickName(joystick)); | ||
if (SDL_JoystickIsHaptic(joystick)) | ||
{ | ||
haptic = SDL_HapticOpenFromJoystick(joystick); | ||
if (haptic) | ||
{ | ||
SDL_Log("Joy Haptic Opened\n"); | ||
if (SDL_HapticRumbleInit( haptic ) != 0) | ||
{ | ||
SDL_Log("Could not init Rumble!"); | ||
SDL_HapticClose(haptic); | ||
haptic = NULL; | ||
} | ||
} else { | ||
SDL_Log("Joy haptic FAILED!\n"); | ||
} | ||
} | ||
} | ||
break; | ||
case SDL_JOYDEVICEREMOVED: | ||
if (instance == event.jdevice.which) | ||
{ | ||
SDL_Log("Joy Removed: %d\n", event.jdevice.which); | ||
instance = -1; | ||
if(haptic) | ||
{ | ||
SDL_HapticClose(haptic); | ||
} | ||
SDL_JoystickClose(joystick); | ||
joystick = NULL; | ||
} else { | ||
SDL_Log("Unknown joystick diconnected\n"); | ||
} | ||
break; | ||
case SDL_JOYAXISMOTION: | ||
// SDL_Log("Axis Move: %d\n", event.jaxis.axis); | ||
SDL_HapticRumblePlay(haptic, 0.2, 250); | ||
break; | ||
case SDL_JOYBUTTONDOWN: | ||
SDL_Log("Button Press: %d\n", event.jbutton.button); | ||
if(haptic) | ||
{ | ||
SDL_HapticRumblePlay(haptic, 0.2, 250); | ||
} | ||
break; | ||
case SDL_JOYBUTTONUP: | ||
SDL_Log("Button Release: %d\n", event.jbutton.button); | ||
break; | ||
} | ||
} | ||
} | ||
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SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK); | ||
} | ||
#else | ||
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int | ||
main(int argc, char *argv[]) | ||
{ | ||
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL compiled without Joystick support.\n"); | ||
exit(1); | ||
} | ||
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#endif |