Add feature to disable animation tracks

editor/animation_editor.cpp

@@ -1124,6 +1124,8 @@ void AnimationKeyEditor::_track_editor_draw() {
 	Ref<Texture> add_key_icon = get_icon("TrackAddKey", "EditorIcons");
 	Ref<Texture> add_key_icon_hl = get_icon("TrackAddKeyHl", "EditorIcons");
 	Ref<Texture> down_icon = get_icon("select_arrow", "Tree");
+	Ref<Texture> checked = get_icon("checked", "Tree");
+	Ref<Texture> unchecked = get_icon("unchecked", "Tree");
 
 	Ref<Texture> wrap_icon[2] = {
 		get_icon("InterpWrapClamp", "EditorIcons"),
@@ -1170,6 +1172,7 @@ void AnimationKeyEditor::_track_editor_draw() {
 		v_scroll->set_page(fit);
 	}
 
+	int left_check_ofs = checked->get_width();
 	int settings_limit = size.width - right_separator_ofs;
 	int name_limit = settings_limit * name_column_ratio;
 
@@ -1332,6 +1335,7 @@ void AnimationKeyEditor::_track_editor_draw() {
 			valid_type = obj->get_static_property_type_indexed(leftover_path, &prop_exists);
 		}
 
+		// Draw background color of the whole track
 		if (/*mouse_over.over!=MouseOver::OVER_NONE &&*/ idx == mouse_over.track) {
 			Color sepc = hover_color;
 			te->draw_rect(Rect2(ofs + Point2(0, y), Size2(size.width, h - 1)), sepc);
@@ -1343,14 +1347,20 @@ void AnimationKeyEditor::_track_editor_draw() {
 			te->draw_rect(Rect2(ofs + Point2(0, y), Size2(size.width - 1, h - 1)), tc);
 		}
 
-		te->draw_texture(type_icon[animation->track_get_type(idx)], ofs + Point2(0, y + (h - type_icon[0]->get_height()) / 2).floor());
+		// Draw track enabled state check box
+		Ref<Texture> check_box = animation->track_is_enabled(idx) ? checked : unchecked;
+		te->draw_texture(check_box, ofs + Point2(0, y + (h - checked->get_height()) / 2).floor());
+
+		// Draw track type glyph and node path
+		te->draw_texture(type_icon[animation->track_get_type(idx)], ofs + Point2(left_check_ofs + sep, y + (h - type_icon[0]->get_height()) / 2).floor());
 		NodePath np = animation->track_get_path(idx);
 		Node *n = root ? root->get_node(np) : (Node *)NULL;
 		Color ncol = color;
 		if (n && editor_selection->is_selected(n))
 			ncol = track_select_color;
-		te->draw_string(font, Point2(ofs + Point2(type_icon[0]->get_width() + sep, y + font->get_ascent() + (sep / 2))).floor(), np, ncol, name_limit - (type_icon[0]->get_width() + sep) - 5);
+		te->draw_string(font, Point2(ofs + Point2(left_check_ofs + sep + type_icon[0]->get_width() + sep, y + font->get_ascent() + (sep / 2))).floor(), np, ncol, name_limit - (type_icon[0]->get_width() + sep) - 5);
 
+		// Draw separator line below track area
 		if (!obj)
 			te->draw_line(ofs + Point2(0, y + h / 2), ofs + Point2(name_limit, y + h / 2), invalid_path_color);
 
@@ -1798,6 +1808,7 @@ void AnimationKeyEditor::_track_editor_gui_input(const Ref<InputEvent> &p_input)
 	Ref<Texture> down_icon = get_icon("select_arrow", "Tree");
 	Ref<Texture> hsize_icon = get_icon("Hsize", "EditorIcons");
 	Ref<Texture> add_key_icon = get_icon("TrackAddKey", "EditorIcons");
+	Ref<Texture> check_icon = get_icon("checked", "Tree");
 
 	Ref<Texture> wrap_icon[2] = {
 		get_icon("InterpWrapClamp", "EditorIcons"),
@@ -1832,6 +1843,7 @@ void AnimationKeyEditor::_track_editor_gui_input(const Ref<InputEvent> &p_input)
 		v_scroll->set_page(fit);
 	}
 
+	int left_check_ofs = check_icon->get_width();
 	int settings_limit = size.width - right_separator_ofs;
 	int name_limit = settings_limit * name_column_ratio;
 
@@ -2092,7 +2104,12 @@ void AnimationKeyEditor::_track_editor_gui_input(const Ref<InputEvent> &p_input)
 					return;
 				}
 
-				if (mpos.x < name_limit - (type_icon[0]->get_width() / 2.0)) {
+				if (mpos.x < left_check_ofs) {
+					// Checkbox on the very left to enable/disable tracks.
+
+					animation->track_set_enabled(idx, !animation->track_is_enabled(idx));
+
+				} else if (mpos.x < name_limit - (type_icon[0]->get_width() / 2.0)) {
 					//name column
 
 					// area
@@ -2103,7 +2120,7 @@ void AnimationKeyEditor::_track_editor_gui_input(const Ref<InputEvent> &p_input)
 						return;
 					}
 
-					Rect2 area(ofs.x, ofs.y + ((int(mpos.y) / h) + 1) * h, name_limit, h);
+					Rect2 area(ofs.x + left_check_ofs + sep, ofs.y + ((int(mpos.y) / h) + 1) * h, name_limit - left_check_ofs - sep, h);
 					track_name->set_text(animation->track_get_path(idx));
 					track_name->set_position(te->get_global_position() + area.position);
 					track_name->set_size(area.size);

scene/animation/animation_player.cpp

@@ -364,6 +364,9 @@ void AnimationPlayer::_animation_process_animation(AnimationData *p_anim, float
 		if (!nc) // no node cache for this track, skip it
 			continue;
 
+		if (!a->track_is_enabled(i))
+			continue; // do nothing if the track is disabled
+
 		if (a->track_get_key_count(i) == 0)
 			continue; // do nothing if track is empty
 

scene/animation/animation_tree_player.cpp

@@ -831,7 +831,7 @@ void AnimationTreePlayer::_process_animation(float p_delta) {
 			for (List<AnimationNode::TrackRef>::Element *E = anim_list->tref.front(); E; E = E->next()) {
 
 				AnimationNode::TrackRef &tr = E->get();
-				if (tr.track == NULL || tr.local_track < 0 || tr.weight < CMP_EPSILON)
+				if (tr.track == NULL || tr.local_track < 0 || tr.weight < CMP_EPSILON || !a->track_is_enabled(tr.local_track))
 					continue;
 
 				switch (a->track_get_type(tr.local_track)) {

scene/resources/animation.cpp

@@ -77,6 +77,8 @@ bool Animation::_set(const StringName &p_name, const Variant &p_value) {
 			track_set_interpolation_loop_wrap(track, p_value);
 		else if (what == "imported")
 			track_set_imported(track, p_value);
+		else if (what == "enabled")
+			track_set_enabled(track, p_value);
 		else if (what == "keys" || what == "key_values") {
 
 			if (track_get_type(track) == TYPE_TRANSFORM) {
@@ -247,6 +249,8 @@ bool Animation::_get(const StringName &p_name, Variant &r_ret) const {
 			r_ret = track_get_interpolation_loop_wrap(track);
 		else if (what == "imported")
 			r_ret = track_is_imported(track);
+		else if (what == "enabled")
+			r_ret = track_is_enabled(track);
 		else if (what == "keys") {
 
 			if (track_get_type(track) == TYPE_TRANSFORM) {
@@ -391,6 +395,7 @@ void Animation::_get_property_list(List<PropertyInfo> *p_list) const {
 		p_list->push_back(PropertyInfo(Variant::INT, "tracks/" + itos(i) + "/interp", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR));
 		p_list->push_back(PropertyInfo(Variant::BOOL, "tracks/" + itos(i) + "/loop_wrap", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR));
 		p_list->push_back(PropertyInfo(Variant::BOOL, "tracks/" + itos(i) + "/imported", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR));
+		p_list->push_back(PropertyInfo(Variant::BOOL, "tracks/" + itos(i) + "/enabled", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR));
 		p_list->push_back(PropertyInfo(Variant::ARRAY, "tracks/" + itos(i) + "/keys", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR));
 	}
 }
@@ -1575,6 +1580,19 @@ bool Animation::track_is_imported(int p_track) const {
 	return tracks[p_track]->imported;
 }
 
+void Animation::track_set_enabled(int p_track, bool p_enabled) {
+
+	ERR_FAIL_INDEX(p_track, tracks.size());
+	tracks[p_track]->enabled = p_enabled;
+	emit_changed();
+}
+
+bool Animation::track_is_enabled(int p_track) const {
+
+	ERR_FAIL_INDEX_V(p_track, tracks.size(), false);
+	return tracks[p_track]->enabled;
+}
+
 void Animation::track_move_down(int p_track) {
 
 	if (p_track > 0 && p_track < tracks.size()) {
@@ -1603,6 +1621,7 @@ void Animation::copy_track(int src_track, Ref<Animation> p_to_animation) {
 
 	p_to_animation->track_set_path(dst_track, track_get_path(src_track));
 	p_to_animation->track_set_imported(dst_track, track_is_imported(src_track));
+	p_to_animation->track_set_enabled(dst_track, track_is_enabled(src_track));
 	p_to_animation->track_set_interpolation_type(dst_track, track_get_interpolation_type(src_track));
 	p_to_animation->track_set_interpolation_loop_wrap(dst_track, track_get_interpolation_loop_wrap(src_track));
 	for (int i = 0; i < track_get_key_count(src_track); i++) {
@@ -1626,6 +1645,9 @@ void Animation::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("track_set_imported", "idx", "imported"), &Animation::track_set_imported);
 	ClassDB::bind_method(D_METHOD("track_is_imported", "idx"), &Animation::track_is_imported);
 
+	ClassDB::bind_method(D_METHOD("track_set_enabled", "idx", "enabled"), &Animation::track_set_enabled);
+	ClassDB::bind_method(D_METHOD("track_is_enabled", "idx"), &Animation::track_is_enabled);
+
 	ClassDB::bind_method(D_METHOD("transform_track_insert_key", "idx", "time", "location", "rotation", "scale"), &Animation::transform_track_insert_key);
 	ClassDB::bind_method(D_METHOD("track_insert_key", "idx", "time", "key", "transition"), &Animation::track_insert_key, DEFVAL(1));
 	ClassDB::bind_method(D_METHOD("track_remove_key", "idx", "key_idx"), &Animation::track_remove_key);

scene/resources/animation.h

@@ -67,10 +67,12 @@ private:
 		bool loop_wrap;
 		NodePath path; // path to something
 		bool imported;
+		bool enabled;
 		Track() {
 			interpolation = INTERPOLATION_LINEAR;
 			imported = false;
 			loop_wrap = true;
+			enabled = true;
 		}
 		virtual ~Track() {}
 	};
@@ -239,6 +241,9 @@ public:
 	void track_set_imported(int p_track, bool p_imported);
 	bool track_is_imported(int p_track) const;
 
+	void track_set_enabled(int p_track, bool p_enabled);
+	bool track_is_enabled(int p_track) const;
+
 	int transform_track_insert_key(int p_track, float p_time, const Vector3 p_loc, const Quat &p_rot = Quat(), const Vector3 &p_scale = Vector3());
 	void track_insert_key(int p_track, float p_time, const Variant &p_key, float p_transition = 1);
 	void track_set_key_transition(int p_track, int p_key_idx, float p_transition);