[godot] Fixes #2670, animation tracks must be set to discrete, so we only get a single name/loop change for each key.

Author: badlogic

spine-godot/spine_godot/SpineAnimationTrack.cpp

@@ -95,6 +95,7 @@ void SpineAnimationTrack::_bind_methods() {
 }
 
 SpineAnimationTrack::SpineAnimationTrack() : loop(false),
+											 animation_changed(false),
 											 track_index(-1),
 											 mix_duration(-1),
 											 hold_previous(false),
@@ -231,6 +232,9 @@ void SpineAnimationTrack::setup_animation_player() {
 	reset_animation_ref->add_track(Animation::TYPE_VALUE);
 	reset_animation_ref->track_set_path(1, NodePath(".:loop"));
 	reset_animation_ref->track_insert_key(1, 0, false);
+	reset_animation_ref->value_track_set_update_mode(0, Animation::UPDATE_DISCRETE);
+	reset_animation_ref->value_track_set_update_mode(1, Animation::UPDATE_DISCRETE);
+
 #if VERSION_MAJOR > 3
 	animation_library->add_animation(reset_animation_ref->get_name(), reset_animation_ref);
 	animation_library->add_animation("-- Empty --", reset_animation_ref);
@@ -262,6 +266,9 @@ Ref<Animation> SpineAnimationTrack::create_animation(spine::Animation *animation
 	animation_ref->track_set_path(1, NodePath(".:loop"));
 	animation_ref->track_insert_key(1, 0, !loop);
 
+	animation_ref->value_track_set_update_mode(0, Animation::UPDATE_DISCRETE);
+	animation_ref->value_track_set_update_mode(1, Animation::UPDATE_DISCRETE);
+
 	return animation_ref;
 }
 
@@ -416,7 +423,8 @@ void SpineAnimationTrack::update_animation_state(const Variant &variant_sprite)
 		if (animation_player->is_playing()) {
 			auto current_entry = animation_state->getCurrent(track_index);
 			bool should_set_mix = mix_duration >= 0;
-			bool should_set_animation = !current_entry || (animation_name != current_entry->getAnimation()->getName().buffer() || current_entry->getLoop() != loop);
+			bool should_set_animation = !current_entry || (animation_name != current_entry->getAnimation()->getName().buffer() || current_entry->getLoop() != loop) || animation_changed;
+			animation_changed = false;
 
 			if (should_set_animation) {
 				if (!EMPTY(animation_name)) {
@@ -446,14 +454,17 @@ void SpineAnimationTrack::update_animation_state(const Variant &variant_sprite)
 }
 
 void SpineAnimationTrack::set_animation_name(const String &_animation_name) {
+	if (debug) print_line(String("Animation name changed"));
 	animation_name = _animation_name;
+	animation_changed = true;
 }
 
 String SpineAnimationTrack::get_animation_name() {
 	return animation_name;
 }
 
 void SpineAnimationTrack::set_loop(bool _loop) {
+	animation_changed = true;
 	loop = _loop;
 }
 

spine-godot/spine_godot/SpineAnimationTrack.h

@@ -39,9 +39,11 @@ class SpineAnimationTrack : public Node {
 protected:
 	// These are not exposed in the inspector, see SpineAnimationTrackInspectorPlugin.
 	// Instead, they are are keyed by the animations created in setup_animation_player
-	// and primarily used for animation player editor support like scrubbing.
+	// and primarily used for animation player editor support like scrubbing and playing
+	// back the .
 	String animation_name;
 	bool loop;
+	bool animation_changed;
 
 	// These can be set by the user.
 	int track_index;