38 lines
1.1 KiB
GDScript
38 lines
1.1 KiB
GDScript
## Observer that watches C_ObserverHealth component with a query filter
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class_name O_HealthObserver
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extends Observer
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var health_changed_count: int = 0
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var health_added_count: int = 0
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var health_removed_count: int = 0
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var low_health_alerts: Array[Entity] = []
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func watch() -> Resource:
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return C_ObserverHealth
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func match() -> QueryBuilder:
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# Only watch entities that have both C_ObserverHealth and C_ObserverTest
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return q.with_all([C_ObserverHealth, C_ObserverTest])
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func on_component_added(entity: Entity, component: Resource) -> void:
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health_added_count += 1
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func on_component_removed(entity: Entity, component: Resource) -> void:
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health_removed_count += 1
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func on_component_changed(
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entity: Entity, component: Resource, property: String, new_value: Variant, old_value: Variant
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) -> void:
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if property == "health":
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health_changed_count += 1
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# Track entities with low health
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if new_value < 30:
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if not low_health_alerts.has(entity):
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low_health_alerts.append(entity)
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func reset() -> void:
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health_changed_count = 0
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health_added_count = 0
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health_removed_count = 0
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low_health_alerts.clear()
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