week3

scripts/bullet.gd

@@ -15,3 +15,6 @@ func _process(delta: float) -> void:
 func _on_body_entered(body: Node2D) -> void:
 	print("Bullet hit something " + body.to_string())
 	bulletDamageSignal.emit(body, self)
+
+func setSpeed(value)-> void:
+	speed = value

scripts/gamecontroller.gd

@@ -1,6 +1,7 @@
 class_name GameController extends Node2D
 
-signal teleportSignal(body)
+signal teleportSignal(body:RigidBody2D)
+signal destroySignal(body)
 	
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
@@ -17,7 +18,7 @@ func _on_trigger(effect: Variant, Object: Variant) -> void:
 	match effect:
 		"destroy": 
 			if not Object is Player:
-				Object.queue_free()
+				destroySignal.emit(Object)
 		"teleport":
 			print("Trigger wants to teleport")
 			if Object is Crate:
@@ -26,6 +27,6 @@ func _on_trigger(effect: Variant, Object: Variant) -> void:
 func _on_bullet_hit(body, bullet) -> void:
 	print("GC knows bullet hit")
 	if body is Crate:
-		body.queue_free()
-		bullet.queue_free()
+		destroySignal.emit(body)
+		destroySignal.emit(bullet)
 	

scripts/player.gd

@@ -4,12 +4,20 @@ class_name Player extends CharacterBody2D
 @onready var left_cast: RayCast2D = $LeftCast
 @onready var right_spawn: Marker2D = $RightSpawn
 @onready var left_spawn: Marker2D = $LeftSpawn
+@onready var player_graphic: AnimatedSprite2D = $PlayerGraphic
 
 @export var shove_power:= 800
 @export var bump_power:= 50
 
+var direction
+signal bulletSignal(pos, speed)
+
 enum FaceDirection {LEFT, RIGHT}
+enum PlayerStates {IDLE, RUNNING, JUMPING, FALLING}
+
 var facing: FaceDirection = FaceDirection.RIGHT
+var current_player_state: PlayerStates = PlayerStates.IDLE
+var upJump:bool = false
 
 var pushRightEnabled = false
 var pushLeftEnabled = false
@@ -23,6 +31,26 @@ func _physics_process(delta: float) -> void:
 	if not is_on_floor():
 		velocity += get_gravity() * delta
 
+	handle_input()
+	handle_movement()
+	handle_states()
+	handle_animations()
+	move_and_slide()
+	handle_collisions()
+	
+func handle_input()-> void:
+	#Handle shoot
+	if Input.is_action_just_pressed("shoot"):
+		print ("player wants to shoot")
+		#send a bullet signal
+		if facing==FaceDirection.RIGHT:
+			bulletSignal.emit(right_spawn.global_transform, 800)
+		if facing==FaceDirection.LEFT:
+			bulletSignal.emit(left_spawn.global_transform, -800)
+			player_graphic.flip_h = true
+			
+			
+			
 	# Handle shove.
 	if Input.is_action_just_pressed("shove"):
 		print("Player shove!")
@@ -33,25 +61,30 @@ func _physics_process(delta: float) -> void:
 			# shove it left
 			pushTarget.apply_central_impulse(Vector2(-1,0) * shove_power)
 			
-
-	# Handle jump.
+		# Handle jump.
 	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
 		velocity.y = JUMP_VELOCITY
+		current_player_state=PlayerStates.JUMPING
+		upJump = true
+		
+		# Get the input direction and handle the movement/deceleration.
+		# As good practice, you should replace UI actions with custom gameplay actions.
+	direction = Input.get_axis("ui_left", "ui_right")
 
-	# Get the input direction and handle the movement/deceleration.
-	# As good practice, you should replace UI actions with custom gameplay actions.
-	var direction := Input.get_axis("ui_left", "ui_right")
+func handle_movement()-> void:
 	if direction:
 		velocity.x = direction * SPEED
 		# set player direction
 		if direction < 0:
 			facing = FaceDirection.LEFT
+			player_graphic.flip_h = true
 		if direction > 0:
 			facing = FaceDirection.RIGHT
+			player_graphic.flip_h = false
 	else:
 		velocity.x = move_toward(velocity.x, 0, SPEED)
-
-	move_and_slide()
+	
+func handle_collisions()-> void:
 	# find all things my player collided with
 	for i in get_slide_collision_count():
 		var c = get_slide_collision(i)
@@ -77,5 +110,35 @@ func _physics_process(delta: float) -> void:
 			pushTarget = collider
 	else:
 		pushLeftEnabled = false
+
+func handle_states()-> void:
+	match current_player_state:
+		PlayerStates.IDLE when velocity.x !=0:
+			current_player_state = PlayerStates.RUNNING
+		PlayerStates.RUNNING when velocity.x==0:
+			current_player_state = PlayerStates.IDLE
+		PlayerStates.JUMPING when velocity.y>0:
+			#you falling
+			current_player_state = PlayerStates.FALLING
+		PlayerStates.FALLING when is_on_floor():
+			if velocity.x ==0:
+				current_player_state = PlayerStates.IDLE
+			else:
+				current_player_state = PlayerStates.RUNNING
+
+func handle_animations()-> void:
+	match current_player_state:
+		PlayerStates.RUNNING:
+			player_graphic.play("run")
+		PlayerStates.IDLE:
+			player_graphic.play("idle")
+		PlayerStates.JUMPING:
+			if upJump:
+				player_graphic.play("jump")
+		PlayerStates.FALLING:
+			player_graphic.play("fall")
 	
-	
+func _on_animation_finished() -> void:
+	match current_player_state:
+		PlayerStates.JUMPING:
+			upJump = false

scripts/scene_manager.gd

@@ -2,13 +2,20 @@ class_name SceneManager extends Node2D
 
 @onready var triggers: Node2D = $"../Triggers"
 @onready var game: GameController = $".."
-@onready var bullet: Bullet = $"../Bullet"
+#@onready var bullet: Bullet = $"../Bullet"
+@onready var player: Player = $"../Player"
+
+var bullet = preload("res://scenes/bullet.tscn")
+var totalAllowedBullets:int = 7
+#collection
+var bulletArray:Array[Bullet] = []
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	buildLevel()
 	game.teleportSignal.connect(teleport)
-	bullet.bulletDamageSignal.connect(game._on_bullet_hit)
+	game.destroySignal.connect(destroy)
+	player.bulletSignal.connect(makeBullet)
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
@@ -28,3 +35,44 @@ func teleport(body, _bodyposition = null) -> void:
 		var random_y = randf_range(0, viewport_size.y)
 		var newPosition = Vector2(random_x, random_y)
 		body.teleport_to(newPosition)
+
+#order desk (for bullets)
+func makeBullet(pos, speed)-> void:
+	#ask for a bullet from....the factory
+	print("make a bullet")
+	var myBullet:Bullet = bulletFactory()
+	myBullet.transform = pos
+	myBullet.setSpeed(speed)
+	myBullet.set_process(true)
+	
+func bulletFactory()-> Bullet:
+	var myBullet:Bullet
+	#how many bullets have been created?
+	if bulletArray.size() <= totalAllowedBullets:
+		myBullet = bullet.instantiate()
+		add_sibling(myBullet)
+		#have to wire up signal after
+		if not myBullet.bulletDamageSignal.is_connected(game._on_bullet_hit):
+			myBullet.bulletDamageSignal.connect(game._on_bullet_hit)
+	else: 
+		#recycle bullet
+		print("recycling!")
+		myBullet = bulletArray.pop_back()
+	#put the bullet in my collection
+	bulletArray.push_front(myBullet)
+	return myBullet
+
+func destroy(target)-> void:
+	if target is Bullet:
+		stash(target)
+	if target is Crate:
+		target.queue_free()
+
+func stash(target:Bullet)-> void:
+	print("stash a bullet")
+	#hide the bullet off-screen
+	var stashPosition:Vector2 = Vector2(10,10)
+	target.position = stashPosition
+	target.setSpeed(0)
+	target.set_process(false)
+