1 files changed, 31 insertions, 0 deletions
diff --git a/Source/Core/InputCommon/ControllerEmu/ControlGroup/Triggers.cpp b/Source/Core/InputCommon/ControllerEmu/ControlGroup/Triggers.cpp
new file mode 100644
index 0000000000..3e13b0b504
--- /dev/null
+++ b/Source/Core/InputCommon/ControllerEmu/ControlGroup/Triggers.cpp
@@ -0,0 +1,31 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include "InputCommon/ControllerEmu/ControlGroup/Triggers.h"
+
+#include <algorithm>
+#include <cstddef>
+#include <memory>
+#include <string>
+
+#include "Common/Common.h"
+#include "InputCommon/ControlReference/ControlReference.h"
+#include "InputCommon/ControllerEmu/Control/Control.h"
+
+namespace ControllerEmu
+{
+Triggers::Triggers(const std::string& name_) : ControlGroup(name_, GROUP_TYPE_TRIGGERS)
+{
+  numeric_settings.emplace_back(std::make_unique<NumericSetting>(_trans("Dead Zone"), 0, 0, 50));
+}
+
+void Triggers::GetState(ControlState* analog)
+{
+  const size_t trigger_count = controls.size();
+  const ControlState deadzone = numeric_settings[0]->GetValue();
+
+  for (size_t i = 0; i < trigger_count; ++i, ++analog)
+    *analog = std::max(controls[i]->control_ref->State() - deadzone, 0.0) / (1 - deadzone);
+}
+}  // namespace ControllerEmu