fly/flightgear
1
0
Fork 0
Code Activity

Store the initial axis values and if just one of them changes declare the joystick initialized

Browse source
This commit is contained in:
Erik Hofman 2020-01-27 18:12:09 +01:00
parent f6285bc528
commit 6df768fa5f
2 changed files with 21 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
src/Input/FGJoystickInput.cxx
View file

@ -120,7 +120,7 @@ void FGJoystickInput::init()
for (int i = 0; i < MAX_JOYSTICKS; i++) {
jsJoystick * js = new jsJoystick(i);
joysticks[i].plibJS.reset(js);
initializing[i] = true;
joysticks[i].initializing = true;
if (js->notWorking()) {
SG_LOG(SG_INPUT, SG_DEBUG, "Joystick " << i << " not found");
@ -341,31 +341,37 @@ void FGJoystickInput::updateJoystick(int index, FGJoystickInput::joystick* joy,
jsJoystick * js = joy->plibJS.get();
if (js == 0 || js->notWorking()) {
initializing[index] = true;
joysticks[index].initializing = true;
if (js) {
jsJoystick * js = new jsJoystick(index);
joysticks[index].plibJS.reset(js);
joysticks[index].plibJS.reset( new jsJoystick(index) );
}
return;
}
js->read(&buttons, axis_values);
if (js->notWorking()) { // If js is disconnected
initializing[index] = true;
joysticks[index].initializing = true;
return;
}
// Joystick axes can get initialized to extreme values, at least on Linux.
// Wait until one of the axes get a different value before continuing.
// https://sourceforge.net/p/flightgear/codetickets/2185/
if (initializing[index]) {
float axis_values[MAX_JOYSTICK_AXES];
int buttons;
if (joysticks[index].initializing) {
js->rawRead(&buttons, axis_values);
for (int j = 0; j < joy->naxes; j++) {
if (fabsf(axis_values[j]) > js->getSaturation(j)) return;
if (!joysticks[index].initialized) {
js->read(NULL, joysticks[index].values);
joysticks[index].initialized = true;
}
initializing[index] = false;
int j;
for (j = 0; j < joy->naxes; j++) {
if (axis_values[j] != joysticks[index].values[j]) break;
}
if (j == joy->naxes) {
return;
}
joysticks[index].initializing = false;
}
// Update device status

4
src/Input/FGJoystickInput.hxx
View file

@ -101,11 +101,13 @@ private:
axis * axes;
FGButton * buttons;
bool predefined;
bool initializing = true;
bool initialized = false;
float values[MAX_JOYSTICK_AXES];
void clearAxesAndButtons();
};
bool initializing[MAX_JOYSTICKS];
joystick joysticks[MAX_JOYSTICKS];
void updateJoystick(int index, joystick* joy, double dt);
};