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glitch-in-the-system/scripts/v2/worldgen/standard/entity_marker.gd

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GDScript

class_name StandardEntityMarker
extends Node2D
## The method used to spawn entities
##
## ALL: Spawns all entities in the list
## FURTHEST: Spawns the entity furthest from the player
## ONCE: Spawns the entity once at a random marker
## NONE: Does not spawn any entities
enum EntitySpawnMethod { ALL, FURTHEST, ONCE, NONE }
## The method used to select entities
##
## RANDOM: Selects a random entity from the list
## POP: Removes the entity from the list after it is selected
enum EntitySelectionMethod { RANDOM, POP }
@export_category("Entity Spawning")
## The ID representing the type of this marker
@export var marker_id: String
## The entities that can be spawned by this marker
@export var entities: Array[PackedScene] = []
## The method used to spawn entities
@export var spawn_method: EntitySpawnMethod
## The chance that an entity will be spawned
@export_range(0, 1.0) var spawn_chance: float = 1.0
## The method used to select entities
@export var entity_selection_method: EntitySelectionMethod
@export_category("Marker Debug")
## The color of the debug sprite
@export var debug_color: Color = Color.WHITE
## The size of the debug sprite
@export var marker_size: int = 16
func _ready() -> void:
self.add_to_group("genv2:entity_marker")
## Create a debug sprite if one doesn't exist
var sprite: Sprite2D = self.get_node_or_null("Sprite2D")
if not sprite:
sprite = Sprite2D.new()
sprite.texture = _get_debug_texture()
self.add_child(sprite)
## Registers this marker with the world generator
func register(gen: StandardWorldGenerator) -> void:
if self.marker_id == "":
push_error("Marker ID is empty, this marker will not be used for spawning entities.")
return
gen.register_marker("genv2:entity_marker:%s" % self.marker_id, self)
## Generates a texture for the debug sprite
func _get_debug_texture() -> Texture2D:
var texture = GradientTexture2D.new()
var gradient = Gradient.new()
gradient.colors = [self.debug_color]
texture.gradient = gradient
texture.width = self.marker_size
texture.height = self.marker_size
return texture