1 files changed, 38 insertions, 9 deletions

diff --git a/main/input_default.cpp b/main/input_default.cpp
index 10be291b8d..b1084900d6 100644
--- a/main/input_default.cpp
+++ b/main/input_default.cpp
@@ -261,6 +261,13 @@ void InputDefault::parse_input_event(const Ref<InputEvent> &p_event) {
 
 void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool p_is_emulated) {
 
+	// Notes on mouse-touch emulation:
+	// - Emulated mouse events are parsed, that is, re-routed to this method, so they make the same effects
+	//   as true mouse events. The only difference is the situation is flagged as emulated so they are not
+	//   emulated back to touch events in an endless loop.
+	// - Emulated touch events are handed right to the main loop (i.e., the SceneTree) because they don't
+	//   require additional handling by this class.
+
 	_THREAD_SAFE_METHOD_
 
 	Ref<InputEventKey> k = p_event;
@@ -316,11 +323,21 @@ void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool
 		}
 	}
 
-	if (emulate_mouse_from_touch) {
+	Ref<InputEventScreenTouch> st = p_event;
+
+	if (st.is_valid()) {
+
+		if (st->is_pressed()) {
+			SpeedTrack &track = touch_speed_track[st->get_index()];
+			track.reset();
+		} else {
+			// Since a pointer index may not occur again (OSs may or may not reuse them),
+			// imperatively remove it from the map to keep no fossil entries in it
+			touch_speed_track.erase(st->get_index());
+		}
 
-		Ref<InputEventScreenTouch> st = p_event;
+		if (emulate_mouse_from_touch) {
 
-		if (st.is_valid()) {
 			bool translate = false;
 			if (st->is_pressed()) {
 				if (mouse_from_touch_index == -1) {
@@ -343,18 +360,26 @@ void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool
 				button_event->set_pressed(st->is_pressed());
 				button_event->set_button_index(BUTTON_LEFT);
 				if (st->is_pressed()) {
-					button_event->set_button_mask(mouse_button_mask | (1 << BUTTON_LEFT - 1));
+					button_event->set_button_mask(mouse_button_mask | (1 << (BUTTON_LEFT - 1)));
 				} else {
-					button_event->set_button_mask(mouse_button_mask & ~(1 << BUTTON_LEFT - 1));
+					button_event->set_button_mask(mouse_button_mask & ~(1 << (BUTTON_LEFT - 1)));
 				}
 
 				_parse_input_event_impl(button_event, true);
 			}
 		}
+	}
+
+	Ref<InputEventScreenDrag> sd = p_event;
+
+	if (sd.is_valid()) {
+
+		SpeedTrack &track = touch_speed_track[sd->get_index()];
+		track.update(sd->get_relative());
+		sd->set_speed(track.speed);
 
-		Ref<InputEventScreenDrag> sd = p_event;
+		if (emulate_mouse_from_touch && sd->get_index() == mouse_from_touch_index) {
 
-		if (sd.is_valid() && sd->get_index() == mouse_from_touch_index) {
 			Ref<InputEventMouseMotion> motion_event;
 			motion_event.instance();
 
@@ -404,6 +429,7 @@ void InputDefault::_parse_input_event_impl(const Ref<InputEvent> &p_event, bool
 				action.physics_frame = Engine::get_singleton()->get_physics_frames();
 				action.idle_frame = Engine::get_singleton()->get_idle_frames();
 				action.pressed = p_event->is_action_pressed(E->key());
+				action.strength = 0.f;
 				action_state[E->key()] = action;
 			}
 			action_state[E->key()].strength = p_event->get_action_strength(E->key());
@@ -530,13 +556,14 @@ Point2i InputDefault::warp_mouse_motion(const Ref<InputEventMouseMotion> &p_moti
 void InputDefault::iteration(float p_step) {
 }
 
-void InputDefault::action_press(const StringName &p_action) {
+void InputDefault::action_press(const StringName &p_action, float p_strength) {
 
 	Action action;
 
 	action.physics_frame = Engine::get_singleton()->get_physics_frames();
 	action.idle_frame = Engine::get_singleton()->get_idle_frames();
 	action.pressed = true;
+	action.strength = p_strength;
 
 	action_state[p_action] = action;
 }
@@ -548,6 +575,7 @@ void InputDefault::action_release(const StringName &p_action) {
 	action.physics_frame = Engine::get_singleton()->get_physics_frames();
 	action.idle_frame = Engine::get_singleton()->get_idle_frames();
 	action.pressed = false;
+	action.strength = 0.f;
 
 	action_state[p_action] = action;
 }
@@ -576,7 +604,7 @@ void InputDefault::ensure_touch_mouse_raised() {
 		button_event->set_global_position(mouse_pos);
 		button_event->set_pressed(false);
 		button_event->set_button_index(BUTTON_LEFT);
-		button_event->set_button_mask(mouse_button_mask & ~(1 << BUTTON_LEFT - 1));
+		button_event->set_button_mask(mouse_button_mask & ~(1 << (BUTTON_LEFT - 1)));
 
 		_parse_input_event_impl(button_event, true);
 	}
@@ -636,6 +664,7 @@ InputDefault::InputDefault() {
 	emulate_mouse_from_touch = false;
 	mouse_from_touch_index = -1;
 	main_loop = NULL;
+	default_shape = CURSOR_ARROW;
 
 	hat_map_default[HAT_UP].type = TYPE_BUTTON;
 	hat_map_default[HAT_UP].index = JOY_DPAD_UP;