shove attack raycast, input maps, bullets object pooling, dynamic instantiation, grenades

project.godot

@@ -20,3 +20,37 @@ config/icon="res://icon.svg"
 folder_colors={
 "res://scenes/": "orange"
 }
+
+[input]
+
+moveLeft={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194319,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+moveRight={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194321,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+jump={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":85,"key_label":0,"unicode":117,"location":0,"echo":false,"script":null)
+]
+}
+shove={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":90,"key_label":0,"unicode":122,"location":0,"echo":false,"script":null)
+]
+}
+shoot={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":88,"key_label":0,"unicode":120,"location":0,"echo":false,"script":null)
+]
+}
+chuck={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":67,"key_label":0,"unicode":99,"location":0,"echo":false,"script":null)
+]
+}

scenes/bullet.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=3 uid="uid://daa6idpu4gkat"]
+
+[ext_resource type="Script" uid="uid://cbp3pm7i587mv" path="res://scripts/bullet.gd" id="1_mkf8s"]
+
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_h1aey"]
+size = Vector2(4, 2)
+
+[node name="Bullet" type="Area2D"]
+scale = Vector2(3.2338707, 2.7645516)
+script = ExtResource("1_mkf8s")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("RectangleShape2D_h1aey")
+debug_color = Color(0.78294253, 0.1467745, 0.21462014, 0.41960785)

scenes/game.tscn

@@ -1,7 +1,9 @@
-[gd_scene load_steps=8 format=3 uid="uid://cy1i6ucex6m0d"]
+[gd_scene load_steps=10 format=3 uid="uid://cy1i6ucex6m0d"]
 
 [ext_resource type="Script" uid="uid://c546prectbgc7" path="res://scripts/gamecontroller.gd" id="1_lbhrr"]
 [ext_resource type="PackedScene" uid="uid://qv8blu8wkqvq" path="res://scenes/crate.tscn" id="1_uwrxv"]
+[ext_resource type="PackedScene" uid="uid://daa6idpu4gkat" path="res://scenes/bullet.tscn" id="2_iywne"]
+[ext_resource type="Script" uid="uid://barmq4qhp5cvl" path="res://scripts/scene_manager.gd" id="2_p57ef"]
 [ext_resource type="PackedScene" uid="uid://dmrrbiwqptrho" path="res://scenes/trigger.tscn" id="2_yqjtg"]
 [ext_resource type="PackedScene" uid="uid://b1yy0sybg66hh" path="res://scenes/player.tscn" id="3_lnu2h"]
 
@@ -15,6 +17,10 @@
 position = Vector2(6, 2)
 script = ExtResource("1_lbhrr")
 
+[node name="SceneManager" type="Node2D" parent="."]
+unique_name_in_owner = true
+script = ExtResource("2_p57ef")
+
 [node name="StaticBody2D" type="StaticBody2D" parent="."]
 position = Vector2(120, 233)
 scale = Vector2(3.2000012, 1)
@@ -41,10 +47,10 @@ metadata/_edit_group_ = true
 [node name="CollisionShape2D" type="CollisionShape2D" parent="StaticBody2D3"]
 shape = SubResource("RectangleShape2D_8cj0n")
 
-[node name="Crate" parent="." instance=ExtResource("1_uwrxv")]
+[node name="Crate" parent="." groups=["explodable", "pushable"] instance=ExtResource("1_uwrxv")]
 position = Vector2(112, 186)
 
-[node name="Crate2" type="RigidBody2D" parent="."]
+[node name="Crate2" type="RigidBody2D" parent="." groups=["explodable", "pushable"]]
 position = Vector2(147.99998, 202.99994)
 rotation = 2.6595373
 metadata/_edit_group_ = true
@@ -75,5 +81,8 @@ offset_right = 40.0
 offset_bottom = 23.0
 text = "0000"
 
+[node name="Bullet" parent="." instance=ExtResource("2_iywne")]
+position = Vector2(45, 205.99998)
+
 [connection signal="triggerFiredSignal" from="Trigger" to="." method="_on_trigger_fired"]
 [connection signal="triggerFiredSignal" from="Trigger2" to="." method="_on_trigger_fired"]

scenes/grenade.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=3 format=3 uid="uid://b5n0lwes8qpu5"]
+
+[ext_resource type="Script" uid="uid://c3sd8uvxer0wk" path="res://scripts/grenade.gd" id="1_cvyik"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_1xt3t"]
+
+[node name="Grenade" type="RigidBody2D"]
+contact_monitor = true
+max_contacts_reported = 1
+script = ExtResource("1_cvyik")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_1xt3t")
+debug_color = Color(0.7058824, 0.49411765, 0.18431373, 0.5921569)
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]

scenes/player.tscn

@@ -10,3 +10,15 @@ script = ExtResource("1_3vyb7")
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]
 shape = SubResource("CircleShape2D_3vyb7")
 debug_color = Color(0.46210045, 0.5883958, 0.21709043, 0.41960785)
+
+[node name="RightCast" type="RayCast2D" parent="."]
+target_position = Vector2(15, 0)
+
+[node name="LeftCast" type="RayCast2D" parent="."]
+target_position = Vector2(-14, 0)
+
+[node name="RightSpawn" type="Marker2D" parent="."]
+position = Vector2(15, -10)
+
+[node name="LeftSpawn" type="Marker2D" parent="."]
+position = Vector2(-14, -10)

scripts/bullet.gd

@@ -0,0 +1,15 @@
+class_name Bullet extends Area2D
+
+var speed:float = 700
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	position += transform.x * speed * delta
+
+func setSpeed(value)->void:
+	speed = value

scripts/bullet.gd.uid

@@ -0,0 +1 @@
+uid://cbp3pm7i587mv

scripts/grenade.gd

@@ -0,0 +1,26 @@
+class_name Grenade extends RigidBody2D
+
+var timer = Timer.new()
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	add_child(timer)
+	timer.wait_time = 2
+	timer.one_shot = true
+	timer.connect("timeout", explode)
+	timer.start()
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func explode()->void:
+	print("ima splode")
+	self.queue_free()
+
+
+func _on_body_entered(body: Node) -> void:
+	print("Grenade hit something")
+	if body.is_in_group("explodable"):
+		body.queue_free()
+		explode()

scripts/grenade.gd.uid

@@ -0,0 +1 @@
+uid://c3sd8uvxer0wk

scripts/player.gd

@@ -3,33 +3,93 @@ extends CharacterBody2D
 
 const SPEED = 300.0
 const JUMP_VELOCITY = -400.0
+var direction:float = 0
 
 @export var BUMP_POWER = 100
 
+enum FaceDirection{LEFT, RIGHT}
+var facing:FaceDirection = FaceDirection.RIGHT
+
+@onready var right_cast: RayCast2D = $RightCast
+@onready var left_cast: RayCast2D = $LeftCast
+
+var pushTarget:RigidBody2D
+var pushEnabled:bool = false
+
+@onready var right_spawn: Marker2D = $RightSpawn
+@onready var left_spawn: Marker2D = $LeftSpawn
 
 func _physics_process(delta: float) -> void:
-	# Add the gravity.
-	if not is_on_floor():
-		velocity += get_gravity() * delta
+	handle_input()
+	handle_movement(delta)
+	move_and_slide()
+	handle_collision()
 	 
+func handle_input()->void:
 	# Handle jump.
-	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
+	if Input.is_action_just_pressed("jump") 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")
+	direction = Input.get_axis("moveLeft", "moveRight")
+	if direction < 0:
+		facing = FaceDirection.LEFT
+	if direction > 0:
+		facing = FaceDirection.RIGHT
+	
+	if Input.is_action_just_pressed("shove") && pushEnabled:
+		print("I want to shove")
+		var shoveDirection:int
+		match facing:
+			FaceDirection.RIGHT:
+				shoveDirection = 1
+			FaceDirection.LEFT:
+				shoveDirection = -1
+		pushTarget.apply_central_impulse(Vector2(shoveDirection, 0) * 700)
+	
+	if Input.is_action_just_pressed("shoot"):
+		print("Ima shoot")
+		match facing:
+			FaceDirection.RIGHT:
+				print("shoot right")
+				%SceneManager.makeBullet(right_spawn.global_transform, 700)
+			FaceDirection.LEFT:
+				print("shoot left")
+				%SceneManager.makeBullet(left_spawn.global_transform, -700)
+	
+	if Input.is_action_just_pressed("chuck"):
+		print("Ima chuck a grenade")
+		match facing:
+			FaceDirection.RIGHT:
+				%SceneManager.makeGrenade(right_spawn.global_transform, 1)
+			FaceDirection.LEFT:
+				%SceneManager.makeGrenade(left_spawn.global_transform, -1)
+	
+func handle_movement(delta)->void:
 	if direction:
 		velocity.x = direction * SPEED
 	else:
 		velocity.x = move_toward(velocity.x, 0, SPEED)
 	
-	move_and_slide()
+	if not is_on_floor():
+		velocity += get_gravity() * delta
 
+func handle_collision()->void:
 	# handle world reactions
 	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 right_cast.is_colliding() && facing==FaceDirection.RIGHT:
+		var collider = right_cast.get_collider()
+		if collider is Node && collider is RigidBody2D && collider.is_in_group("pushable"):
+			pushTarget = collider
+			pushEnabled = true
+	if left_cast.is_colliding()  && facing==FaceDirection.LEFT:
+		var collider = left_cast.get_collider()
+		if collider is Node && collider is RigidBody2D && collider.is_in_group("pushable"):
+			pushTarget = collider
+			pushEnabled = true
+	if not right_cast.is_colliding() && not left_cast.is_colliding():
+		pushEnabled = false
 	

scripts/scene_manager.gd

@@ -0,0 +1,45 @@
+class_name SceneManager extends Node2D
+
+var bullet = preload("res://scenes/bullet.tscn")
+
+@onready var game: Node2D = $".."
+
+var bulletArray = []
+var totalAllowedBullets = 7
+
+var grenade = preload("res://scenes/grenade.tscn")
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func bulletFactory()->Bullet:
+	var myBullet:Bullet
+	if bulletArray.size() < totalAllowedBullets:
+		# make a new bullet
+		myBullet = bullet.instantiate()
+		game.add_child(myBullet)
+	else:
+		myBullet = bulletArray.pop_back()
+		
+	bulletArray.push_front(myBullet)
+	return myBullet
+
+func makeBullet(_bulletPosition, _bulletSpeed)->void:
+	print("make a bullet, put it in the world")
+	var myBullet = bulletFactory()
+	myBullet.transform = _bulletPosition
+	myBullet.setSpeed(_bulletSpeed)
+
+func makeGrenade(_grenadePosition, _grenadeDirection)->void:
+	print("SM make a grenade")
+	var myGrenade:Grenade = grenade.instantiate()
+	game.add_child(myGrenade)
+	myGrenade.apply_central_impulse(Vector2(_grenadeDirection, -1)*200)
+	myGrenade.transform = _grenadePosition
+	

scripts/scene_manager.gd.uid

@@ -0,0 +1 @@
+uid://barmq4qhp5cvl