Joystick::~Joystick()
{
// Closes any open joysticks.
for (int i = 0; i != getNumJoysticks(); i++)
{
if (isOpen(i))
close(i);
}
free(joysticks);
SDL_QuitSubSystem(SDL_INIT_JOYSTICK);
}
bool JVMInputFunctions::init( JNIEnv* _env, jclass rfdynhudClass, jobject _rfdynhudObject )
{
env = _env;
rfdynhudObject = _rfdynhudObject;
unsigned short numKeys = getNumKeys();
unsigned char maxKeyNameLength = getMaxKeyNameLength();
unsigned int bufferSize = 2 + 1 + numKeys * ( maxKeyNameLength + 1 );
unsigned char numJoysticks = getNumJoysticks();
unsigned char* numButtons = (unsigned char*)malloc( numJoysticks );
bufferSize += 1 + numJoysticks * MAX_JOYSTICK_NAME_LENGTH;
for ( unsigned char i = 0; i < numJoysticks; i++ )
{
numButtons[i] = getNumButtons( i );
bufferSize += 1 + numButtons[i] * MAX_JOYSTICK_BUTTON_NAME_LENGTH;
}
jbyteArray arr = env->NewByteArray( bufferSize );
char* buffer = (char*)env->GetPrimitiveArrayCritical( arr, &isCopy );
unsigned int bufferOffset = 0;
*( (unsigned short*)( buffer + bufferOffset ) ) = numKeys;
bufferOffset += 2;
*( (unsigned char*)( buffer + bufferOffset ) ) = maxKeyNameLength;
bufferOffset += 1;
getAllKeyNames( buffer + bufferOffset );
bufferOffset += numKeys * ( maxKeyNameLength + 1 );
*( (unsigned char*)( buffer + bufferOffset ) ) = numJoysticks;
bufferOffset += 1;
getJoystickNames( (char*)( buffer + bufferOffset ) );
bufferOffset += numJoysticks * MAX_JOYSTICK_NAME_LENGTH;
for ( unsigned char i = 0; i < numJoysticks; i++ )
{
*( (unsigned char*)( buffer + bufferOffset ) ) = numButtons[i];
bufferOffset += 1;
getJoystickButtonNames( i, (char*)( buffer + bufferOffset ) );
bufferOffset += numButtons[i] * MAX_JOYSTICK_BUTTON_NAME_LENGTH;
}
env->ReleasePrimitiveArrayCritical( arr, buffer, 0 );
jmethodID mid = env->GetMethodID( rfdynhudClass, "initInput", "([B)V" );
if ( mid == 0 )
{
logg( "ERROR: Failed to find the initInput() method." );
return ( false );
}
logg( "Initializing input bindings..." );
env->CallVoidMethod( _rfdynhudObject, mid, arr );
logg( "Finished initialization of input bindings." );
env->DeleteLocalRef( arr );
mid = env->GetMethodID( rfdynhudClass, "getInputBuffer", "()Ljava/nio/ByteBuffer;" );
if ( mid == 0 )
{
logg( "ERROR: Failed to find the getInputBuffer() method." );
return ( false );
}
inputBufferObj = env->CallObjectMethod( _rfdynhudObject, mid );
if ( inputBufferObj == NULL )
{
logg( "ERROR: Failed to get the input buffer." );
return ( false );
}
inputBuffer = (char*)env->GetDirectBufferAddress( inputBufferObj );
if ( inputBuffer == NULL )
{
logg( "ERROR: Input buffer is null." );
return ( false );
}
updateInputMethod = env->GetMethodID( rfdynhudClass, "updateInput", "(I)B" );
if ( updateInputMethod == 0 )
{
logg( "ERROR: Failed to find the updateInput() method." );
return ( false );
}
return ( true );
}
bool Joystick::checkIndex(int index)
{
return index >= 0 && index < getNumJoysticks();
}
