switch to using own event system

src/lib/sim/Simulation.h

@@ -16,7 +16,7 @@
 #include "BuildingType.h"
 #include "BuildingId.h"
 #include "EventHandler.h"
-#include "FireEvent.h"
+#include "WeaponFiredEvent.h"
 #include "GameConfig.h"
 #include "Rotation.h"
 #include "Tick.h"
@@ -50,7 +50,7 @@ public:
 
     // Returns all fire events accumulated since the last drain, clearing the
     // internal queue. Call once per rendered frame (REQ-SHP-FIRING-BEAM).
-    std::vector<FireEvent> drainFireEvents();
+    std::vector<WeaponFiredEvent> drainWeaponFiredEvents();
 
     // Returns the pending schematic choices (empty if no drop is pending).
     const std::vector<SchematicChoiceOption>& getPendingSchematicChoices() const;
@@ -165,6 +165,6 @@ private:
     std::unique_ptr<WaveSystem>       m_waveSystem;
     std::unique_ptr<CombatSystem>     m_combatSystem;
 
-    std::vector<FireEvent>          m_fireEvents;
+    std::vector<WeaponFiredEvent>          m_weaponFiredEvents;
     std::vector<SchematicChoiceOption> m_pendingSchematicChoices;
 };