Replace default deadzone magic number with named constant

core/config/project_settings.cpp

@@ -1408,7 +1408,7 @@ void ProjectSettings::_add_builtin_input_map() {
 			}
 
 			Dictionary action;
-			action["deadzone"] = Variant(0.2f);
+			action["deadzone"] = Variant(InputMap::DEFAULT_DEADZONE);
 			action["events"] = events;
 
 			String action_name = "input/" + E.key;

core/input/input_event.cpp

@@ -1097,7 +1097,7 @@ JoyAxis InputEventJoypadMotion::get_axis() const {
 
 void InputEventJoypadMotion::set_axis_value(float p_value) {
 	axis_value = p_value;
-	pressed = Math::abs(axis_value) >= 0.5f;
+	pressed = Math::abs(axis_value) >= InputMap::DEFAULT_DEADZONE;
 	emit_changed();
 }
 

core/input/input_map.cpp

@@ -42,7 +42,7 @@ InputMap *InputMap::singleton = nullptr;
 void InputMap::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("has_action", "action"), &InputMap::has_action);
 	ClassDB::bind_method(D_METHOD("get_actions"), &InputMap::_get_actions);
-	ClassDB::bind_method(D_METHOD("add_action", "action", "deadzone"), &InputMap::add_action, DEFVAL(0.2f));
+	ClassDB::bind_method(D_METHOD("add_action", "action", "deadzone"), &InputMap::add_action, DEFVAL(DEFAULT_DEADZONE));
 	ClassDB::bind_method(D_METHOD("erase_action", "action"), &InputMap::erase_action);
 
 	ClassDB::bind_method(D_METHOD("action_set_deadzone", "action", "deadzone"), &InputMap::action_set_deadzone);
@@ -305,7 +305,7 @@ void InputMap::load_from_project_settings() {
 		String name = pi.name.substr(pi.name.find("/") + 1, pi.name.length());
 
 		Dictionary action = GLOBAL_GET(pi.name);
-		float deadzone = action.has("deadzone") ? (float)action["deadzone"] : 0.2f;
+		float deadzone = action.has("deadzone") ? (float)action["deadzone"] : DEFAULT_DEADZONE;
 		Array events = action["events"];
 
 		add_action(name, deadzone);

core/input/input_map.h

@@ -49,6 +49,8 @@ public:
 		List<Ref<InputEvent>> inputs;
 	};
 
+	static constexpr float DEFAULT_DEADZONE = 0.2f;
+
 private:
 	static InputMap *singleton;
 
@@ -74,7 +76,7 @@ public:
 
 	bool has_action(const StringName &p_action) const;
 	List<StringName> get_actions() const;
-	void add_action(const StringName &p_action, float p_deadzone = 0.2);
+	void add_action(const StringName &p_action, float p_deadzone = DEFAULT_DEADZONE);
 	void erase_action(const StringName &p_action);
 
 	float action_get_deadzone(const StringName &p_action);

editor/project_settings_editor.cpp

@@ -31,6 +31,7 @@
 #include "project_settings_editor.h"
 
 #include "core/config/project_settings.h"
+#include "core/input/input_map.h"
 #include "editor/editor_inspector.h"
 #include "editor/editor_node.h"
 #include "editor/editor_settings.h"
@@ -390,7 +391,7 @@ void ProjectSettingsEditor::_action_added(const String &p_name) {
 
 	Dictionary action;
 	action["events"] = Array();
-	action["deadzone"] = 0.2f;
+	action["deadzone"] = InputMap::DEFAULT_DEADZONE;
 
 	EditorUndoRedoManager *undo_redo = EditorUndoRedoManager::get_singleton();
 	undo_redo->create_action(TTR("Add Input Action"));