feat: update vfx

scripts/tekton_fishing_autoplay.gd

@@ -1,10 +1,15 @@
 extends Node3D
 
-## Autoplays all animations in the AnimationPlayer simultaneously and loops them.
-## Attach to any node that has an AnimationPlayer child (e.g. tekton_fishing_animation instances).
+## Merges every animation in the AnimationPlayer into a single looping clip and
+## plays it, so meshes driven by different animations (e.g. ted_bones and
+## fishing_acc) all animate simultaneously instead of overwriting each other.
+## Attach to any node that has an AnimationPlayer child.
 
 @onready var anim_player: AnimationPlayer = $AnimationPlayer
 
+const MERGED_LIB := "merged"
+const MERGED_NAME := "merged/all"
+
 func _ready() -> void:
 	if not anim_player:
 		push_warning("tekton_fishing_autoplay: No AnimationPlayer found")
@@ -13,13 +18,52 @@ func _ready() -> void:
 	# Wait one frame for the scene tree to settle
 	await get_tree().process_frame
 
-	# Play every animation simultaneously, all looping
-	for anim_name in anim_player.get_animation_list():
-		anim_player.play(anim_name)
-		anim_player.advance(0.0)  # ensure it starts
+	var source_names := anim_player.get_animation_list()
+	if source_names.is_empty():
+		return
 
-	# Set all to loop
-	for anim_name in anim_player.get_animation_list():
-		var anim: Animation = anim_player.get_animation(anim_name)
-		if anim:
-			anim.loop_mode = Animation.LOOP_LINEAR
+	var merged := _build_merged_animation(source_names)
+	if not merged:
+		return
+
+	var lib := AnimationLibrary.new()
+	lib.add_animation("all", merged)
+	if anim_player.has_animation_library(MERGED_LIB):
+		anim_player.remove_animation_library(MERGED_LIB)
+	anim_player.add_animation_library(MERGED_LIB, lib)
+
+	anim_player.play(MERGED_NAME)
+
+
+## Combines the tracks of every source animation into one Animation. The source
+## animations target disjoint node sets, so simply concatenating their tracks
+## drives all meshes at once.
+func _build_merged_animation(source_names: Array) -> Animation:
+	var merged := Animation.new()
+	merged.loop_mode = Animation.LOOP_LINEAR
+
+	var max_length := 0.0
+	for anim_name in source_names:
+		var src: Animation = anim_player.get_animation(anim_name)
+		if not src:
+			continue
+		max_length = max(max_length, src.length)
+		for t in src.get_track_count():
+			_copy_track(src, t, merged)
+
+	merged.length = max_length
+	return merged
+
+
+func _copy_track(src: Animation, src_track: int, dst: Animation) -> void:
+	var new_track := dst.add_track(src.track_get_type(src_track))
+	dst.track_set_path(new_track, src.track_get_path(src_track))
+	dst.track_set_interpolation_type(new_track, src.track_get_interpolation_type(src_track))
+	dst.track_set_interpolation_loop_wrap(new_track, src.track_get_interpolation_loop_wrap(src_track))
+	dst.track_set_enabled(new_track, src.track_is_enabled(src_track))
+
+	for k in src.track_get_key_count(src_track):
+		var time := src.track_get_key_time(src_track, k)
+		var value = src.track_get_key_value(src_track, k)
+		var transition := src.track_get_key_transition(src_track, k)
+		dst.track_insert_key(new_track, time, value, transition)