split off MovementSystem and AiSystem from ShipSystem

src/lib/sim/Simulation.h

@@ -17,8 +17,10 @@
 #include "Rotation.h"
 #include "Tick.h"
 
+class AiSystem;
 class BuildingSystem;
 class CombatSystem;
+class MovementSystem;
 class ShipSystem;
 class ScrapSystem;
 class WaveSystem;
@@ -111,12 +113,14 @@ private:
     };
     std::map<std::string, SchematicState> m_schematicLevels;
 
-    BeltSystem                      m_beltSystem;
-    std::unique_ptr<BuildingSystem> m_buildingSystem;
-    std::unique_ptr<ShipSystem>     m_shipSystem;
-    std::unique_ptr<ScrapSystem>    m_scrapSystem;
-    std::unique_ptr<WaveSystem>     m_waveSystem;
-    std::unique_ptr<CombatSystem>   m_combatSystem;
+    BeltSystem                        m_beltSystem;
+    std::unique_ptr<BuildingSystem>   m_buildingSystem;
+    std::unique_ptr<ShipSystem>       m_shipSystem;
+    std::unique_ptr<AiSystem>         m_aiSystem;
+    std::unique_ptr<MovementSystem>   m_movementSystem;
+    std::unique_ptr<ScrapSystem>      m_scrapSystem;
+    std::unique_ptr<WaveSystem>       m_waveSystem;
+    std::unique_ptr<CombatSystem>     m_combatSystem;
 
     std::vector<FireEvent>          m_fireEvents;
     std::vector<SchematicDropEvent> m_schematicDropEvents;