generated from krampus/template-godot4
91 lines
2.5 KiB
GDScript
91 lines
2.5 KiB
GDScript
class_name SpookManager extends Resource
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## A strategy for handling horror elements through the level.
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const SPAWN_GROUP := "BeastSpawnPoint"
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const BEAST_GROUP := "GrunkBeast"
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@export var grunkbeast_scene: PackedScene
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var debug_set_alert_level: int:
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set = on_alert_raised
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func _spawn_beast_at_point(spawn_point: Node3D) -> void:
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print_debug("Spawning active beast at ", spawn_point.global_position)
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var beast: GrunkBeast = grunkbeast_scene.instantiate()
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spawn_point.add_child(beast)
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## Spawn a beast somewhere the player isn't looking.
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func spawn_beast() -> void:
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var spawn_point := SceneTools.pick_unseen_from_group(SPAWN_GROUP)
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if not spawn_point:
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print_debug("Couldn't find a hidden spawn point... Picking one at random.")
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var nodes := World.instance.get_tree().get_nodes_in_group(SPAWN_GROUP)
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if not nodes:
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print_debug("Oh that's why. There aren't any spawn points. Complain to a developer.")
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return
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@warning_ignore("unsafe_cast")
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spawn_point = nodes.pick_random() as Node3D
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_spawn_beast_at_point(spawn_point)
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## Spawn beasts at _every_ spawn point the player can't see.
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func spawn_many_beasts() -> void:
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var nodes := World.instance.get_tree().get_nodes_in_group(SPAWN_GROUP)
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for node: Node in nodes:
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var target := node as Node3D
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if is_instance_valid(target) and not SceneTools.player_can_see(target.global_position):
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_spawn_beast_at_point(target)
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func on_alert_raised(new_level: int) -> void:
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match new_level:
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0:
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# LEVEL 0: UNAWARE
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pass
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1:
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# LEVEL 1: PASSIVE
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# Beast avoids the player.
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# Set up meet-spook.
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# Get closest MeetSpook point to player.
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if Player.instance:
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var closest := (
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SceneTools.closest_in_group(Player.instance, MeetSpook.GROUP) as MeetSpook
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)
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if closest:
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closest.prepare()
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2:
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# LEVEL 2: AGGRESSIVE
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# Beast pursues player on sight.
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spawn_beast()
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3:
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# LEVEL 3: PREDATORY
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# Beast pursues player relentlessly.
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# The logic for this behavior change is handled directly in the GrunkBeast AI.
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pass
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4:
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# LEVEL 4: SWARMING
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# Many beasts spawn, overwhelming the player.
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spawn_many_beasts()
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5:
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# LEVEL 5: FUN
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# Just kill that fool!
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pass # TODO
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func on_alert_cleared() -> void:
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# Destroy all grunk beasts
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for b: Node in World.instance.get_tree().get_nodes_in_group(BEAST_GROUP):
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b.queue_free()
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# And spawn one back in, if needed
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if World.instance.manager.alert_level >= 2:
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spawn_beast()
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## Set the state of spooky effects after a level is initialized & any save state is loaded.
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func after_level_init() -> void:
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on_alert_cleared()
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