updated functions on texture helper that were not static and added a …

…basic object pool to instantiate scenes

components/behaviour/object_pool/object_pool.gd

@@ -0,0 +1,92 @@
+@icon("res://components/behaviour/object_pool/object_pool.svg")
+class_name ObjectPool extends Node
+
+signal killed(spawned_object: Variant)
+
+@export var scene: PackedScene
+@export var create_objects_on_ready: bool = true
+@export var max_objects_in_pool: int = 100:
+	set(value):
+		if value != max_objects_in_pool:
+			max_objects_in_pool = maxi(1, absi(value))
+@export var process_mode_on_spawn: ProcessMode = Node.PROCESS_MODE_INHERIT
+
+var pool: Array[Variant] = []
+var spawned: Array[Variant] = []
+
+
+func _init(
+	_scene: PackedScene,
+	 amount: int,
+	 create_on_ready: bool = true,
+	_process_mode_on_spawn: ProcessMode = Node.PROCESS_MODE_INHERIT
+) -> void:
+	scene = _scene
+	max_objects_in_pool = amount
+	create_objects_on_ready = create_on_ready
+	process_mode_on_spawn = _process_mode_on_spawn
+
+
+func _ready() -> void:
+	if create_objects_on_ready:
+		create_pool(max_objects_in_pool)
+
+	killed.connect(on_killed)
+
+
+func create_pool(amount: int) -> void:
+	if scene == null:
+		push_error("ObjectPool: The scene to spawn is not defined for this object pool")
+		return
+
+	amount = mini(amount, max_objects_in_pool - pool.size())
+
+	for i in amount:
+		add_to_pool(scene.instantiate())
+
+
+func add_to_pool(new_object: Variant) -> void:
+	if pool.has(new_object):
+		return
+
+	new_object.process_mode = Node.PROCESS_MODE_DISABLED
+	new_object.hide()
+	pool.append(new_object)
+
+
+func kill(spawned_object) -> void:
+	if spawned.has(spawned_object):
+		spawned.erase(spawned_object)
+		add_to_pool(spawned_object)
+
+
+func spawn() -> Variant:
+	if pool.size() > 0:
+		var pool_object: Variant = pool.pop_back()
+		pool_object.process_mode = process_mode_on_spawn
+		pool_object.show()
+		spawned.append(pool_object)
+
+		return pool_object
+
+	return null
+
+
+func spawn_multiple(amount: int) -> Array[Variant]:
+	amount = mini(amount, pool.size())
+
+	var spawned_objects: Array[Variant] = []
+
+	for i in amount:
+		var spawned_object: Variant = spawn()
+
+		if spawned_object == null:
+			break
+
+		spawned_objects.append(spawned_object)
+
+	return spawned_objects
+
+
+func on_killed(spawned_object: Variant) -> void:
+	kill(spawned_object)

components/behaviour/object_pool/object_pool.svg.import

@@ -0,0 +1,37 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://b4ukqec1un17f"
+path="res://.godot/imported/object_pool.svg-9cb4c9becd7d7a8ff4067b1122248dd8.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://components/behaviour/object_pool/object_pool.svg"
+dest_files=["res://.godot/imported/object_pool.svg-9cb4c9becd7d7a8ff4067b1122248dd8.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

utilities/viewport/texture_helper.gd

@@ -1,19 +1,19 @@
 class_name TextureHelper
 
 
-func get_texture_dimensions(texture: Texture2D) -> Rect2i:
+static func get_texture_dimensions(texture: Texture2D) -> Rect2i:
 	return texture.get_image().get_used_rect()
 
 
-func get_texture_rect_dimensions(texture_rect: TextureRect) -> Vector2:
+static func get_texture_rect_dimensions(texture_rect: TextureRect) -> Vector2:
 	var texture: Texture2D = texture_rect.texture
 	var used_rect: Rect2i = get_texture_dimensions(texture)
 	var texture_dimensions: Vector2 = Vector2(used_rect.size) * texture_rect.scale
 
 	return texture_dimensions
 
 
-func get_sprite_dimensions(sprite: Sprite2D) -> Vector2:
+static func get_sprite_dimensions(sprite: Sprite2D) -> Vector2:
 	var texture: Texture2D = sprite.texture
 	var used_rect: Rect2i = get_texture_dimensions(texture)
 	var sprite_dimensions: Vector2 = Vector2(used_rect.size) * sprite.scale