proper joy axis support as actions, can be configured and inquired, fixes #2317

core/input_map.cpp

@@ -204,6 +204,64 @@ bool InputMap::event_is_action(const InputEvent& p_event, const StringName& p_ac
 	return _find_event(E->get().inputs,p_event)!=NULL;
 }
 
+bool InputMap::event_is_joy_motion_action_pressed(const InputEvent& p_event) const {
+
+	ERR_FAIL_COND_V(p_event.type!=InputEvent::JOYSTICK_MOTION,false);
+	bool pressed=false;
+
+	//this could be optimized by having a separate list of joymotions?
+
+	for (Map<StringName, Action>::Element *A=input_map.front();A;A=A->next()) {
+
+		for (List<InputEvent>::Element *E=A->get().inputs.front();E;E=E->next()) {
+
+			const InputEvent& e=E->get();
+			if(e.type!=p_event.type)
+				continue;
+			if (e.type!=InputEvent::KEY && e.device!=p_event.device)
+				continue;
+
+			switch(p_event.type) {
+
+				case InputEvent::KEY: {
+
+					if (e.key.scancode==p_event.key.scancode && e.key.mod == p_event.key.mod)
+						return e.key.pressed;
+
+				} break;
+				case InputEvent::JOYSTICK_BUTTON: {
+
+					if (e.joy_button.button_index==p_event.joy_button.button_index) {
+						return e.joy_button.pressed;
+					}
+
+				} break;
+				case InputEvent::MOUSE_BUTTON: {
+
+					if (e.mouse_button.button_index==p_event.mouse_button.button_index) {
+						return e.mouse_button.pressed;
+					}
+
+				} break;
+				case InputEvent::JOYSTICK_MOTION: {
+
+					if (e.joy_motion.axis==p_event.joy_motion.axis) {
+						if (
+								(e.joy_motion.axis_value * p_event.joy_motion.axis_value >0) && //same axis
+								ABS(e.joy_motion.axis_value>0.5) && ABS(p_event.joy_motion.axis_value>0.5) )
+							pressed=true;
+					}
+
+				} break;
+			}
+
+		}
+	}
+
+	return pressed;
+
+}
+
 void InputMap::load_from_globals() {
 
 	input_map.clear();;