From 368e2af61aedb4c9b094e3490e7523ab237755c2 Mon Sep 17 00:00:00 2001
From: Kellan KOZUME <lpark9142@gmail.com>
Date: Tue, 14 Jul 2026 21:29:42 -0400
Subject: [PATCH] feat(autoloads): add EventBus, SceneManager, AudioManager,
 GameState singletons

---
 scripts/autoloads/audio_manager.gd     | 61 ++++++++++++++++++++++++++
 scripts/autoloads/audio_manager.gd.uid |  1 +
 scripts/autoloads/event_bus.gd         | 10 +++++
 scripts/autoloads/event_bus.gd.uid     |  1 +
 scripts/autoloads/game_state.gd        |  2 +
 scripts/autoloads/game_state.gd.uid    |  1 +
 scripts/autoloads/scene_manager.gd     | 19 ++++++++
 scripts/autoloads/scene_manager.gd.uid |  1 +
 8 files changed, 96 insertions(+)
 create mode 100644 scripts/autoloads/audio_manager.gd
 create mode 100644 scripts/autoloads/audio_manager.gd.uid
 create mode 100644 scripts/autoloads/event_bus.gd
 create mode 100644 scripts/autoloads/event_bus.gd.uid
 create mode 100644 scripts/autoloads/game_state.gd
 create mode 100644 scripts/autoloads/game_state.gd.uid
 create mode 100644 scripts/autoloads/scene_manager.gd
 create mode 100644 scripts/autoloads/scene_manager.gd.uid

diff --git a/scripts/autoloads/audio_manager.gd b/scripts/autoloads/audio_manager.gd
new file mode 100644
index 0000000..bc4214d
--- /dev/null
+++ b/scripts/autoloads/audio_manager.gd
@@ -0,0 +1,61 @@
+extends Node
+
+const AMBIANCE_VOLUME_DB: float = -12.0
+const SFX_VOLUME_DB: float = -8.0
+
+const AMBIANCES: Dictionary = {
+}
+
+const SFX: Dictionary = {
+	"game_over":    preload("res://assets/audio/sfx/Jingles/GameOver.wav"),
+}
+
+var music_player : AudioStreamPlayer
+var sfx_player   : AudioStreamPlayer
+
+func _ready() -> void:
+	process_mode = Node.PROCESS_MODE_ALWAYS
+	
+	music_player = AudioStreamPlayer.new()
+	music_player.name = "MusicPlayer"
+	music_player.bus = "Ambient"
+	music_player.volume_db = AMBIANCE_VOLUME_DB
+	add_child(music_player)
+	music_player.process_mode = Node.PROCESS_MODE_ALWAYS
+
+	sfx_player = AudioStreamPlayer.new()
+	sfx_player.name = "SfxPlayer"
+	sfx_player.bus = "SFX"
+	sfx_player.volume_db = SFX_VOLUME_DB
+	add_child(sfx_player)
+	sfx_player.process_mode = Node.PROCESS_MODE_ALWAYS
+	music_player.finished.connect(_on_music_finished)
+
+func play_ambiance(zone: String) -> void:
+	if not AMBIANCES.has(zone):
+		return
+	if music_player.stream == AMBIANCES[zone] and music_player.playing:
+		return
+
+	var tween: Tween = create_tween()
+	tween.tween_property(music_player, "volume_db", -40.0, 0.8)
+	tween.tween_callback(func():
+		music_player.stream = AMBIANCES[zone]
+		music_player.play()
+	)
+	tween.tween_property(music_player, "volume_db", AMBIANCE_VOLUME_DB, 1.2)
+
+func stop_ambiance() -> void:
+	var tween: Tween = create_tween()
+	tween.tween_property(music_player, "volume_db", -40.0, 1.0)
+	tween.tween_callback(music_player.stop)
+
+func play_sfx(sfx_name: String) -> void:
+	if not SFX.has(sfx_name):
+		push_warning("SFX introuvable : " + sfx_name)
+		return
+	sfx_player.stream = SFX[sfx_name]
+	sfx_player.play()
+
+func _on_music_finished() -> void:
+	music_player.play()
diff --git a/scripts/autoloads/audio_manager.gd.uid b/scripts/autoloads/audio_manager.gd.uid
new file mode 100644
index 0000000..b37bef6
--- /dev/null
+++ b/scripts/autoloads/audio_manager.gd.uid
@@ -0,0 +1 @@
+uid://c8et8kudxum4b
diff --git a/scripts/autoloads/event_bus.gd b/scripts/autoloads/event_bus.gd
new file mode 100644
index 0000000..1b936a7
--- /dev/null
+++ b/scripts/autoloads/event_bus.gd
@@ -0,0 +1,10 @@
+extends Node
+
+signal player_health_changed(new_value: int, max_value: int)
+signal player_died
+signal checkpoint_activated(position: Vector2)
+
+var last_level_path: String = ""
+var has_checkpoint: bool = false
+var last_checkpoint_position: Vector2 = Vector2.ZERO
+var last_death_facing_direction: float = 1.0
diff --git a/scripts/autoloads/event_bus.gd.uid b/scripts/autoloads/event_bus.gd.uid
new file mode 100644
index 0000000..82d0a44
--- /dev/null
+++ b/scripts/autoloads/event_bus.gd.uid
@@ -0,0 +1 @@
+uid://h5d322mdiobh
diff --git a/scripts/autoloads/game_state.gd b/scripts/autoloads/game_state.gd
new file mode 100644
index 0000000..199852a
--- /dev/null
+++ b/scripts/autoloads/game_state.gd
@@ -0,0 +1,2 @@
+class_name Game_State
+extends Node
diff --git a/scripts/autoloads/game_state.gd.uid b/scripts/autoloads/game_state.gd.uid
new file mode 100644
index 0000000..6ffe80a
--- /dev/null
+++ b/scripts/autoloads/game_state.gd.uid
@@ -0,0 +1 @@
+uid://bi3pljtwk3866
diff --git a/scripts/autoloads/scene_manager.gd b/scripts/autoloads/scene_manager.gd
new file mode 100644
index 0000000..c802a9c
--- /dev/null
+++ b/scripts/autoloads/scene_manager.gd
@@ -0,0 +1,19 @@
+class_name Scene_Manager
+extends Node
+
+signal scene_changed(scene_path: String)
+
+func change_scene(scene_path: String) -> void:
+	var error: Error = get_tree().change_scene_to_file(scene_path)
+	if error != OK:
+		return
+	scene_changed.emit(scene_path)
+
+func reload_current_scene() -> void:
+	var scene_file_path: String = get_tree().current_scene.scene_file_path
+	if scene_file_path == "":
+		return
+	change_scene(scene_file_path)
+
+func quit_game() -> void:
+	get_tree().quit()
diff --git a/scripts/autoloads/scene_manager.gd.uid b/scripts/autoloads/scene_manager.gd.uid
new file mode 100644
index 0000000..06e3433
--- /dev/null
+++ b/scripts/autoloads/scene_manager.gd.uid
@@ -0,0 +1 @@
+uid://uj5xcl3vc2vk