week 4

scripts/bullet.gd

@@ -1,11 +1,19 @@
 class_name Bullet extends Area2D
 
 var speed:float=700
+signal bulletDamageSignal(body,bullet)
+
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
 	pass # Replace with function body.
 
+func setSpeed(value) -> void:
+	speed=value
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
 	position +=transform.x*speed *delta
+
+
+func _on_body_entered(body: Node2D) -> void:
+	bulletDamageSignal.emit(body,self)

scripts/gameController.gd

@@ -11,6 +11,7 @@ var timeAvailable := 10
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
+	get_window().grab_focus()
 	add_child(timer)
 	timer.wait_time =1 
 	timer.one_shot=false
@@ -35,11 +36,8 @@ func _on_trigger(body: Variant,effect,trigger) -> void:
 	if body is Crate:
 		match effect:
 			"destroy":
-				crateTotal -=1
-				if crateTotal <=0:
-					print("you win")
-					levelChangeSignal.emit(currentScene)
 				destroySignal.emit(body)
+			
 			"teleport":
 				print("GC teleport an object")
 				teleportSignal.emit(body)
@@ -59,4 +57,23 @@ func _on_trigger(body: Variant,effect,trigger) -> void:
 func crateUpdate(cratesAmount) ->void:
 	crateTotal=cratesAmount
 	print("GC updated crates: " +str(crateTotal))
-  
+	if crateTotal <=0:
+		print("you win")
+		levelChangeSignal.emit(currentScene)
+
+func bulletDamage(body:Node2D,bullet:Bullet) -> void:
+	if body is Crate:
+		# destroy Crate
+		destroySignal.emit(body)
+		destroySignal.emit(bullet)
+		
+	
+	
+	
+	
+	
+	
+	
+	
+	
+	

scripts/npc_character.gd

@@ -0,0 +1,12 @@
+class_name NPCCharacter extends CharacterBody2D
+
+func _physics_process(delta: float) -> void:
+	if not is_on_floor():
+		velocity+=get_gravity() * delta
+		
+	move_and_slide()
+
+func knockBack(direction,duration:float=0.2):
+	velocity =direction
+	await get_tree().create_timer(duration).timeout
+	velocity =Vector2.ZERO

scripts/npc_character.gd.uid

@@ -0,0 +1 @@
+uid://gutmbv5ff4u4

scripts/player.gd

@@ -2,20 +2,44 @@ class_name Player extends CharacterBody2D
 
 @onready var right_target: Marker2D = $RightTarget
 @onready var left_target: Marker2D = $LeftTarget
+@onready var player_graphic: AnimatedSprite2D = $PlayerGraphic
 
 
 const SPEED = 300.0
 const JUMP_VELOCITY = -400.0
 const BUMP_POWER=50
 enum FaceDirection{LEFT, RIGHT}
+var direction
 var facing:FaceDirection =FaceDirection.RIGHT
-
+enum PlayerState{IDLE,RUNNING, JUMPING,FALLING}
+var current_player_state:PlayerState=PlayerState.IDLE
+var jumpUP:bool=false
 
 func _physics_process(delta: float) -> void:
-	# Add the gravity.   
-	if not is_on_floor():
-		velocity += get_gravity() * delta
+	handle_input()
+	handle_movement(delta)
+	handle_state()
+	handle_animation()
+	move_and_slide()
+	handle_collision()
 
+
+	# Get the input direction and handle the movement/deceleration.
+	# As good practice, you should replace UI actions with custom gameplay actions.
+
+func handle_input() -> void:
+	direction = Input.get_axis("ui_left", "ui_right")
+	if direction <0:
+		player_graphic.flip_h=true
+	if direction > 0:
+		player_graphic.flip_h=false
+	
+	# handle jump
+	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+		velocity.y = JUMP_VELOCITY
+		current_player_state =PlayerState.JUMPING
+		jumpUP=true
+		
 	# handle shoot 
 	if Input.is_action_just_pressed("shoot"):
 		print("Player1 wants to shoot")
@@ -27,14 +51,12 @@ func _physics_process(delta: float) -> void:
 			FaceDirection.LEFT:
 				print("shoot to the left")
 				%SceneManager.makebullet(left_target.global_transform,-700)
-
-	# Handle jump.
-	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
-		velocity.y = JUMP_VELOCITY
-
-	# 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(delta) -> void:
+	# Add the gravity.   
+	if not is_on_floor():
+		velocity += get_gravity() * delta
+	
 	if direction:
 		velocity.x = direction * SPEED
 		if direction <0:
@@ -43,12 +65,50 @@ func _physics_process(delta: float) -> void:
 			facing =FaceDirection.RIGHT
 	else:
 		velocity.x = move_toward(velocity.x, 0, SPEED)
+	
+func handle_state() -> void:
+	match current_player_state:
+		PlayerState.IDLE when velocity.x !=0:
+			# change to running
+			current_player_state=PlayerState.RUNNING
+		PlayerState.RUNNING when velocity.x ==0:
+			current_player_state=PlayerState.IDLE
+		PlayerState.JUMPING when velocity.y==0:
+			current_player_state=PlayerState.FALLING
+		PlayerState.FALLING when is_on_floor():
+			if velocity.x ==0:
+				current_player_state=PlayerState.IDLE
+			else:
+				current_player_state=PlayerState.RUNNING
+	
+func handle_animation() -> void:
+	match current_player_state:
+		PlayerState.IDLE:
+			player_graphic.play("idle")
+		PlayerState.RUNNING:
+			player_graphic.play("running")
+		PlayerState.JUMPING:
+			if jumpUP:
+				player_graphic.play("jumping")
+		PlayerState.FALLING:
+			player_graphic.play("falling")
 
-	move_and_slide()
+func handle_collision() ->void:
 	for i in get_slide_collision_count():
 		var c =get_slide_collision(i)
 		if c.get_collider() is RigidBody2D:
 			c.get_collider().apply_central_impulse(-c.get_normal()*BUMP_POWER)
+		if c.get_collider() is NPCCharacter:
+			var myCharacter:NPCCharacter = c.get_collider()
+			var direction = -c.get_normal()*BUMP_POWER
+			myCharacter.knockBack(direction)
+			
 	
 	
-	
+func _on_animation_finished() -> void:
+	match current_player_state:
+		PlayerState.JUMPING:
+			jumpUP =false 
+			
+			
+			

scripts/scene_manager.gd

@@ -3,6 +3,10 @@ class_name SceneManager extends Node2D
 @onready var level: Node2D = $"../Level"
 @onready var crates: Node2D = $"../Crates"
 @onready var game: GameController = $".."
+# has the recepies
+var bullet = preload("res://scenes/bullet.tscn")
+var bulletArray:Array[Bullet] = []
+var totalAllowedBullets:int=7
 
 
 # Called when the node enters the scene tree for the first time.
@@ -47,7 +51,11 @@ func updatesCrates() -> void:
 		
 		
 func destroy(body)->void:
+	if body is Bullet:
+		stashBullet(body)
+		return
 	body.queue_free()
+	
 func teleport(body) -> void:
 	if body is Crate:
 		var viewport_size = get_viewport().get_visible_rect().size 
@@ -58,9 +66,38 @@ func teleport(body) -> void:
 		
 func loadLevel(level:String) -> void:
 	get_tree().call_deferred("change_scene_to_file",level)
+
+func stashBullet(bullet:Bullet) -> void:
+	var stashPosition:Vector2 =Vector2(-100,-100)
+	bullet.position=stashPosition
+	bullet.setSpeed(0)
+	bullet.set_process(false)
 	
-func makeBullet(targetPosition,speed) -> void:
+
+func bulletFactory()-> Bullet:
+	var myBullet:Bullet
+	# how many bullets have been made?
+	if bulletArray.size() <=totalAllowedBullets:
+		myBullet=bullet.instantiate()
+		if not myBullet.bulletDamageSignal.is_connected(game.bulletDamage):
+			myBullet.bulletDamageSignal.connect(game.bulletDamage)
+		
+		game.add_child(myBullet)
+	else:
+		myBullet=bulletArray.pop_back()
+	bulletArray.push_front(myBullet)
+	return myBullet
+	
+	
+func makebullet(targetPosition,speed) -> void:
 	print("make a bullet")
+	print("bullets created: "+str(bulletArray.size()))
+	var myBullet:Bullet = bulletFactory()
+	myBullet.transform=targetPosition
+	myBullet.setSpeed(speed)
+	myBullet.set_process(true)
+	
+