Implement production vertical slice foundation

game/domain/dive/dive_snapshot.gd

@@ -0,0 +1,50 @@
+class_name DiveSnapshot
+extends RefCounted
+
+const BatterySnapshot = preload("res://game/domain/dive/battery_snapshot.gd")
+const OxygenSnapshot = preload("res://game/domain/dive/oxygen_snapshot.gd")
+const HullSnapshot = preload("res://game/domain/dive/hull_snapshot.gd")
+const DepthSnapshot = preload("res://game/domain/dive/depth_snapshot.gd")
+const ReturnEstimate = preload("res://game/domain/dive/return_estimate.gd")
+const DiveAlertState = preload("res://game/domain/dive/dive_alert_state.gd")
+const EjectionSnapshot = preload("res://game/domain/dive/ejection_snapshot.gd")
+const DiveTerminalReason = preload("res://game/domain/dive/dive_terminal_reason.gd")
+
+var session_id: StringName
+var tick_sequence: int
+var battery: BatterySnapshot
+var oxygen: OxygenSnapshot
+var hull: HullSnapshot
+var depth: DepthSnapshot
+var return_estimate: ReturnEstimate
+var alerts: DiveAlertState
+var ejection: EjectionSnapshot
+var terminal_reason: DiveTerminalReason.Value
+
+
+func _init(
+	p_session_id: StringName,
+	p_tick_sequence: int,
+	p_battery: BatterySnapshot,
+	p_oxygen: OxygenSnapshot,
+	p_hull: HullSnapshot,
+	p_depth: DepthSnapshot,
+	p_return_estimate: ReturnEstimate,
+	p_alerts: DiveAlertState,
+	p_ejection: EjectionSnapshot,
+	p_terminal_reason: DiveTerminalReason.Value
+) -> void:
+	session_id = p_session_id
+	tick_sequence = p_tick_sequence
+	battery = p_battery
+	oxygen = p_oxygen
+	hull = p_hull
+	depth = p_depth
+	return_estimate = p_return_estimate
+	alerts = p_alerts
+	ejection = p_ejection
+	terminal_reason = p_terminal_reason
+
+
+func is_terminal() -> bool:
+	return terminal_reason != DiveTerminalReason.Value.NONE