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Merge pull request #4338 from ameerj/disconnected-adapter 

gcadapter: Fix crash if gc configured but adapter not connected
This commit is contained in:
bunnei 2020-07-14 12:01:43 -04:00 committed by GitHub
parent 393cdb15f5 ab65de2f96
commit bf9c010be5
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 15 deletions
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6
src/input_common/gcadapter/gc_adapter.h
View File

@ -100,6 +100,9 @@ public:
void BeginConfiguration();
void EndConfiguration();
/// Returns true if there is a device connected to port
bool DeviceConnected(std::size_t port);
std::array<Common::SPSCQueue<GCPadStatus>, 4>& GetPadQueue();
const std::array<Common::SPSCQueue<GCPadStatus>, 4>& GetPadQueue() const;
@ -119,9 +122,6 @@ private:
/// Stop scanning for the adapter
void StopScanThread();
/// Returns true if there is a device connected to port
bool DeviceConnected(std::size_t port);
/// Resets status of device connected to port
void ResetDeviceType(std::size_t port);

16
src/input_common/gcadapter/gc_poller.cpp
View File

@ -21,8 +21,11 @@ public:
~GCButton() override;
bool GetStatus() const override {
if (gcadapter->DeviceConnected(port)) {
return gcadapter->GetPadState()[port].buttons.at(button);
}
return false;
}
private:
const int port;
@ -44,14 +47,18 @@ public:
}
bool GetStatus() const override {
const float axis_value = (gcadapter->GetPadState()[port].axes.at(axis) - 128.0f) / 128.0f;
if (gcadapter->DeviceConnected(port)) {
const float axis_value =
(gcadapter->GetPadState()[port].axes.at(axis) - 128.0f) / 128.0f;
if (trigger_if_greater) {
// TODO: Might be worthwile to set a slider for the trigger threshold. It is currently
// always set to 0.5 in configure_input_player.cpp ZL/ZR HandleClick
// TODO: Might be worthwile to set a slider for the trigger threshold. It is
// currently always set to 0.5 in configure_input_player.cpp ZL/ZR HandleClick
return axis_value > threshold;
}
return axis_value < -threshold;
}
return false;
}
private:
const int port;
@ -151,12 +158,15 @@ public:
: port(port_), axis_x(axis_x_), axis_y(axis_y_), deadzone(deadzone_), gcadapter(adapter) {}
float GetAxis(int axis) const {
if (gcadapter->DeviceConnected(port)) {
std::lock_guard lock{mutex};
// division is not by a perfect 128 to account for some variance in center location
// e.g. my device idled at 131 in X, 120 in Y, and full range of motion was in range
// [20-230]
return (gcadapter->GetPadState()[port].axes.at(axis) - 128.0f) / 95.0f;
}
return 0.0f;
}
std::pair<float, float> GetAnalog(int axis_x, int axis_y) const {
float x = GetAxis(axis_x);