Add new level, collapsable component, knockback component

scripts/components/collapsable.gd

@@ -0,0 +1,55 @@
+class_name CollapsableComponent
+extends Node
+
+@export var to_collapse_timer: Timer
+@export var reset_timer: Timer
+@export var sprite2d: Sprite2D
+@export var collision_shape: CollisionShape2D
+
+@export var collapse_time: float = 0.5
+@export var reset_time: float = 1.0
+
+@export var anim_time: float = 0.25
+
+func _ready() -> void:
+	reset_timers()
+
+func _on_to_collapse_timer_timeout() -> void:
+	collapse_bridge()
+
+func _on_reset_timer_timeout() -> void:
+	reactivate_bridge()
+	
+func collapse_bridge():
+	to_collapse_timer.stop()
+	to_collapse_timer.wait_time = collapse_time
+	
+	var bridge_tween = create_tween()
+	bridge_tween.tween_property(sprite2d, "modulate:a", 0, anim_time)
+	await bridge_tween.finished
+	
+	collision_shape.disabled = true
+	reset_timer.start()
+	
+func reactivate_bridge():
+	reset_timer.stop()
+	reset_timer.wait_time = reset_time
+	
+	var bridge_tween = create_tween()
+	bridge_tween.tween_property(sprite2d, "modulate:a", 1, anim_time)
+	await bridge_tween.finished
+	
+	collision_shape.disabled = false
+
+func _on_collapsable_detector_body_entered(_body: Node2D) -> void:
+	to_collapse_timer.start()
+
+func reset_timers():
+	to_collapse_timer.stop()
+	to_collapse_timer.wait_time = collapse_time
+
+
+func _on_collapsable_detector_body_exited(_body: Node2D) -> void:
+	var collapse_time_left: float = abs(to_collapse_timer.time_left - collapse_time)
+	if collapse_time_left < (0.1 * collapse_time):
+		reset_timers()

scripts/components/collectable.gd

@@ -9,14 +9,14 @@ var root: Node
 signal collected(amount: int)
 
 func _ready() -> void:
-    if area2d:
-        area2d.body_entered.connect(_on_area2d_body_entered)
-    else:
-        print("Collectable node missing Area2D child.")
+	if area2d:
+		area2d.body_entered.connect(_on_area2d_body_entered)
+	else:
+		print("Collectable node missing Area2D child.")
 
-    root = get_parent()
+	root = get_parent()
 
 func _on_area2d_body_entered(body: Node2D) -> void:
-    if body.has_node("CanPickUpComponent"):
-        collected.emit(collectable_data.amount)
-        root.queue_free()
+	if body.has_node("CanPickUpComponent"):
+		collected.emit(collectable_data.amount)
+		root.queue_free()

scripts/components/damage.gd

@@ -1,7 +1,20 @@
 class_name DamageComponent
-extends Node2D
+extends Node
 
 @export var damage: float = 0.25
+@export var area2d: Area2D
+
+func _ready() -> void:
+	if not area2d:
+		printerr("No area2d assigned!")
+		return
+		
+	area2d.body_entered.connect(on_area2d_body_entered)
 
 func deal_damage(target: HealthComponent):
 	target.decrease_health(damage)
+
+func on_area2d_body_entered(body: Node2D):
+	if body.has_node("HealthComponent"):
+		var health_component: HealthComponent = body.get_node("HealthComponent")
+		deal_damage(health_component)

scripts/components/health.gd

@@ -1,10 +1,10 @@
 class_name HealthComponent
-extends Node2D
+extends Node
 
 @export var health: float = 1.0
 @export var max_health: float = 1.0
 
-signal on_health_change(delta: float)
+signal on_health_change(delta: float, total_health: float)
 signal on_death
 
 func _get_delta(value: float) -> float:
@@ -16,7 +16,7 @@ func set_health(new_value: float):
 	
 	if new_value >= max_health:
 		health = max_health
-		on_health_change.emit(delta)
+		on_health_change.emit(delta, health)
 		return
 	
 	health = new_value
@@ -25,7 +25,7 @@ func set_health(new_value: float):
 		on_death.emit()
 		return
 	
-	on_health_change.emit(delta)
+	on_health_change.emit(delta, health)
 
 func decrease_health(value: float):
 	var delta = _get_delta(value)
@@ -36,7 +36,7 @@ func decrease_health(value: float):
 		on_death.emit()
 		return
 		
-	on_health_change.emit(delta)
+	on_health_change.emit(delta, health)
 	
 func increase_health(value: float):
 	var delta = _get_delta(value)
@@ -45,9 +45,9 @@ func increase_health(value: float):
 	
 	if health >= max_health:
 		health = max_health
-		on_health_change.emit(delta)
+		on_health_change.emit(delta, health)
 		return
 	
 	health += value
-	on_health_change.emit(delta)
+	on_health_change.emit(delta, health)
 	

scripts/components/knockback.gd

@@ -0,0 +1,32 @@
+class_name KnockbackComponent
+extends Node
+
+@export var character_body: CharacterBody2D
+@export var knockback_force: float = 25.0
+
+var knockback_mode: bool = false
+var knockback_frames: int = 0
+
+func apply_knockback(force: float, delta: float) -> void:
+	var velocity = character_body.velocity.normalized()
+	var knockback_dir = Vector2(sign(velocity.x) * 1.0, 0.4)
+	var knockback_vector = -knockback_dir * force * delta
+	character_body.velocity += knockback_vector
+
+func _on_health_component_on_health_change(delta: float, total_health: float) -> void:
+	if total_health <= 0.0 and delta < 0.0:
+		return
+	knockback_mode = true
+	
+func _process(_delta: float) -> void:
+	if knockback_mode:
+		knockback_frames += 1
+	if knockback_frames > 1:
+		knockback_mode = false
+		knockback_frames = 0
+		
+func _physics_process(delta: float) -> void:
+	if knockback_mode:
+		apply_knockback(knockback_force, delta)
+		
+	

scripts/components/player_death.gd

@@ -0,0 +1,9 @@
+class_name PlayerDeathComponent
+extends Node
+
+func reset_scene() -> void:
+	get_tree().reload_current_scene()
+
+func _on_health_component_on_death() -> void:
+	# todo: play audio on death
+	call_deferred("reset_scene")

scripts/components/score.gd

@@ -4,17 +4,17 @@ extends Node
 @onready var game_manager: GM = $"/root/GameManager"
 
 func _ready():
-    await get_tree().process_frame
-    var coins = get_tree().get_nodes_in_group("coins")
-    
-    for coin in coins:
-        coin.connect("collected", on_collected)
+	await get_tree().process_frame
+	var coins = get_tree().get_nodes_in_group("coins")
+	
+	for coin in coins:
+		coin.connect("collected", on_collected)
 
 func on_collected(amount: int) -> void:
-    if not game_manager:
-        return
+	if not game_manager:
+		return
 
-    game_manager.add_coins(amount)
-    print("Coins: ", game_manager.get_coins())
-    # todo: play sound
-    # todo: update ui
+	game_manager.add_coins(amount)
+	print("Coins: ", game_manager.get_coins())
+	# todo: play sound
+	# todo: update ui