Complete lab, quest, garrison, and energy tickets

core/CombatTarget.gd

@@ -0,0 +1,26 @@
+class_name CombatTarget
+extends RefCounted
+
+# One opt-in contract for anything a player weapon may deliberately attack.
+# Aim assist, autonomous garrisons and projectile impacts all consume the same
+# group, so a new target composition does not need a concrete-type branch in
+# each combat system.
+const GROUP: StringName = &"player_weapon_targets"
+const PRIORITY_META: StringName = &"player_weapon_target_priority"
+
+# A garrison protects its post before mining nearby debris. Distances still
+# decide between targets at the same priority.
+const RESOURCE_PRIORITY: int = 0
+const DANGER_PRIORITY: int = 100
+
+
+static func register(node: Node, priority: int = RESOURCE_PRIORITY) -> void:
+	if node == null:
+		return
+	node.add_to_group(GROUP)
+	node.set_meta(PRIORITY_META, priority)
+
+
+static func priority(node: Node) -> int:
+	return int(node.get_meta(PRIORITY_META, RESOURCE_PRIORITY)) if node != null \
+		else RESOURCE_PRIORITY