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clang format sticks (#332)
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* Allow stick deadzones to be applied for thumbstick -> button mapping

* make clang format happy

---------

Co-authored-by: Nick Michael <[email protected]>
Co-authored-by: briaguya <briaguya@alice>
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3 people authored Jul 20, 2023
1 parent 7d1a3dd commit af36841
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Showing 5 changed files with 35 additions and 12 deletions.
2 changes: 2 additions & 0 deletions src/controller/ControlDeck.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -209,6 +209,7 @@ void ControlDeck::LoadSettings() {
profile->RumbleStrength = config->GetFloat(NESTED("Rumble.Strength", ""));
profile->UseGyro = config->GetBool(NESTED("Gyro.Enabled", ""));
profile->NotchProximityThreshold = config->GetInt(NESTED("Notches.ProximityThreshold", ""));
profile->UseStickDeadzoneForButtons = config->GetBool(NESTED("UseStickDeadzoneForButtons", ""));

for (auto const& val : rawProfile["AxisDeadzones"].items()) {
profile->AxisDeadzones[std::stoi(val.key())] = val.value();
Expand Down Expand Up @@ -265,6 +266,7 @@ void ControlDeck::SaveSettings() {
config->SetFloat(NESTED("Rumble.Strength", ""), profile->RumbleStrength);
config->SetBool(NESTED("Gyro.Enabled", ""), profile->UseGyro);
config->SetInt(NESTED("Notches.ProximityThreshold", ""), profile->NotchProximityThreshold);
config->SetBool(NESTED("UseStickDeadzoneForButtons", ""), profile->UseStickDeadzoneForButtons);

// Clear all sections with a one controller to many relationship.
const static std::vector<std::string> sClearSections = { "Mappings", "AxisDeadzones", "AxisMinimumPress",
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1 change: 1 addition & 0 deletions src/controller/Controller.h
Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ struct DeviceProfile {
int32_t Version = 0;
bool UseRumble = false;
bool UseGyro = false;
bool UseStickDeadzoneForButtons = false;
float RumbleStrength = 1.0f;
int32_t NotchProximityThreshold = 0;
std::unordered_map<int32_t, float> AxisDeadzones;
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23 changes: 18 additions & 5 deletions src/controller/SDLController.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -62,13 +62,17 @@ bool SDLController::Close() {
return true;
}

float SDLController::NormaliseStickValue(float axisValue) {
// scale {-32768 ... +32767} to {-MAX_AXIS_RANGE ... +MAX_AXIS_RANGE}
return axisValue * MAX_AXIS_RANGE / MAX_SDL_RANGE;
}

void SDLController::NormalizeStickAxis(SDL_GameControllerAxis axisX, SDL_GameControllerAxis axisY, int32_t portIndex) {
const auto axisValueX = SDL_GameControllerGetAxis(mController, axisX);
const auto axisValueY = SDL_GameControllerGetAxis(mController, axisY);

// scale {-32768 ... +32767} to {-MAX_AXIS_RANGE ... +MAX_AXIS_RANGE}
auto ax = axisValueX * MAX_AXIS_RANGE / MAX_SDL_RANGE;
auto ay = axisValueY * MAX_AXIS_RANGE / MAX_SDL_RANGE;
auto ax = NormaliseStickValue(axisValueX);
auto ay = NormaliseStickValue(axisValueY);

if (axisX == SDL_CONTROLLER_AXIS_LEFTX) {
GetLeftStickX(portIndex) = +ax;
Expand Down Expand Up @@ -175,6 +179,7 @@ void SDLController::ReadDevice(int32_t portIndex) {
const auto posScancode = i | AXIS_SCANCODE_BIT;
const auto negScancode = -posScancode;
const auto axisMinimumPress = profile->AxisMinimumPress[i];
const auto axisDeadzone = profile->AxisDeadzones[i];
const auto posButton = profile->Mappings[posScancode];
const auto negButton = profile->Mappings[negScancode];
const auto axisValue = SDL_GameControllerGetAxis(mController, axis);
Expand All @@ -198,10 +203,18 @@ void SDLController::ReadDevice(int32_t portIndex) {
negButton == BTN_VSTICKDOWN)) {

// The axis is being treated as a "button"
if (axisValue > axisMinimumPress) {

auto axisComparableValue = axisValue;
auto axisMinValue = axisMinimumPress;
if (profile->UseStickDeadzoneForButtons) {
axisComparableValue = NormaliseStickValue(axisValue);
axisMinValue = axisDeadzone;
}

if (axisComparableValue > axisMinValue) {
GetPressedButtons(portIndex) |= posButton;
GetPressedButtons(portIndex) &= ~negButton;
} else if (axisValue < -axisMinimumPress) {
} else if (axisComparableValue < -axisMinValue) {
GetPressedButtons(portIndex) &= ~posButton;
GetPressedButtons(portIndex) |= negButton;
} else {
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1 change: 1 addition & 0 deletions src/controller/SDLController.h
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ class SDLController : public Controller {
private:
SDL_GameController* mController;
bool mSupportsGyro;
float NormaliseStickValue(float axisValue);
void NormalizeStickAxis(SDL_GameControllerAxis axisX, SDL_GameControllerAxis axisY, int32_t portIndex);
bool Close();
};
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20 changes: 13 additions & 7 deletions src/window/gui/InputEditorWindow.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -377,16 +377,15 @@ void InputEditorWindow::DrawControllerSchema() {
DrawButton("Left", BTN_CLEFT, mCurrentPort, &mBtnReading);
DrawButton("Right", BTN_CRIGHT, mCurrentPort, &mBtnReading);
ImGui::Dummy(ImVec2(0, 5));
EndGroupPanel(0.0f);

ImGui::SetCursorPosX(cursor.x);
#ifdef __SWITCH__
ImGui::SetCursorPosY(cursor.y + 167);
#elif defined(__WIIU__)
ImGui::SetCursorPosY(cursor.y + 120 * 2);
EndGroupPanel(isKeyboard ? 53.0f : 122.0f);
#else
ImGui::SetCursorPosY(cursor.y + 120);
EndGroupPanel(isKeyboard ? 53.0f : 94.0f);
#endif

ImGui::SetCursorPosX(cursor.x);
ImGui::SameLine();

BeginGroupPanel("Options", ImVec2(158, 20));
float cursorX = ImGui::GetCursorPosX() + 5;
ImGui::SetCursorPosX(cursorX);
Expand Down Expand Up @@ -427,6 +426,13 @@ void InputEditorWindow::DrawControllerSchema() {
ImGui::SetTooltip(
"%s", "How near in degrees to a virtual notch angle you have to be for it to snap to nearest notch");
}

if (ImGui::Checkbox("Stick Deadzones For Buttons", &profile->UseStickDeadzoneForButtons)) {
Context::GetInstance()->GetControlDeck()->SaveSettings();
}
if (ImGui::IsItemHovered()) {
ImGui::SetTooltip("%s", "Uses the stick deadzone values when sticks are mapped to buttons");
}
}

ImGui::Dummy(ImVec2(0, 5));
Expand Down

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