cursor gun card inject scene

growth/CardInjects/CursorGunCardInject.tscn

@@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=3 uid="uid://bf1241le7dwfs"]
+
+[ext_resource type="Script" uid="uid://c0jwjfs64x5tm" path="res://CardInjects/cursor_gun_card_inject.gd" id="1_25dn0"]
+
+[node name="CursorGunCardInject" type="Node"]
+script = ExtResource("1_25dn0")

growth/CardInjects/cursor_gun_card_inject.gd

@@ -0,0 +1,25 @@
+extends Node
+
+@export var CursorBullet: PackedScene
+@export var max_ammo = 10
+var ammo = 10
+
+func activate(world, activator):
+	var target: Vector2 = activator.get_target_pos()
+	var bullet = CursorBullet.instantiate()
+	world.add_child(bullet)
+	bullet.position = activator.position
+	bullet.look_at(target)
+	if activator.get_collision_layer_bit(1): # player object
+		bullet.set_collision_layer_bit(1, false)
+		bullet.set_collision_layer_bit(2, true)
+	elif activator.get_collision_layer_bit(2): # enemy object
+		bullet.set_collision_layer_bit(1, true)
+		bullet.set_collision_layer_bit(2, false)
+	else:
+		assert(false, "who are you, activator?")
+	ammo -= 1
+	# TODO: handle ammo for player and virus
+
+func discard(world, activator):
+	pass

growth/CardInjects/cursor_gun_card_inject.gd.uid

@@ -0,0 +1 @@
+uid://c0jwjfs64x5tm

growth/player.tscn

@@ -25,6 +25,7 @@ metadata/_edit_group_ = true
 sprite_frames = SubResource("SpriteFrames_i3pqv")
 
 [node name="Area2D" type="Area2D" parent="."]
+collision_layer = 2
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="Area2D"]
 shape = SubResource("RectangleShape2D_onrkg")