Implement production vertical slice foundation

game/domain/dive/dive_update.gd

@@ -0,0 +1,37 @@
+class_name DiveUpdate
+extends RefCounted
+
+const DiveSnapshot = preload("res://game/domain/dive/dive_snapshot.gd")
+const DiveEvent = preload("res://game/domain/dive/dive_event.gd")
+
+var accepted: bool
+var requested_tick_sequence: int
+var rejection_reason: String
+var snapshot: DiveSnapshot
+var events: Array[DiveEvent]
+
+
+func _init(
+	p_accepted: bool,
+	p_requested_tick_sequence: int,
+	p_rejection_reason: String,
+	p_snapshot: DiveSnapshot,
+	p_events: Array[DiveEvent] = []
+) -> void:
+	accepted = p_accepted
+	requested_tick_sequence = p_requested_tick_sequence
+	rejection_reason = p_rejection_reason
+	snapshot = p_snapshot
+	events = p_events.duplicate()
+
+
+static func initial(snapshot: DiveSnapshot):
+	return new(true, snapshot.tick_sequence, "", snapshot)
+
+
+static func rejected(
+	requested_tick_sequence: int,
+	reason: String,
+	snapshot: DiveSnapshot
+):
+	return new(false, requested_tick_sequence, reason, snapshot)