Add function to destroy the current state machine

modules/statemachine/statemachinemodule.cpp

@@ -69,6 +69,11 @@ void StateMachineModule::initializeStateMachine(const ghoul::Dictionary& states,
     }
 }
 
+void StateMachineModule::deinitializeStateMachine() {
+    _machine.reset();
+    _machine = nullptr;
+}
+
 bool StateMachineModule::hasStateMachine() const {
     return _machine != nullptr;
 }
@@ -148,6 +153,13 @@ scripting::LuaLibrary StateMachineModule::luaLibrary() const {
             "the identifier of the desired initial state. If left out, the first state "
             "in the list will be used."
         },
+        {
+            "destroyStateMachine",
+            &luascriptfunctions::destroyStateMachine,
+            {},
+            "",
+            "Destroys the current state machine and deletes all the memory."
+        },
         {
             "goToState",
             &luascriptfunctions::goToState,

modules/statemachine/statemachinemodule.h

@@ -43,6 +43,7 @@ public:
     void initializeStateMachine(const ghoul::Dictionary& states,
         const ghoul::Dictionary& transitions,
         const std::optional<std::string> startState = std::nullopt);
+    void deinitializeStateMachine();
 
     bool hasStateMachine() const;
 

modules/statemachine/statemachinemodule_lua.inl

@@ -47,6 +47,15 @@ int createStateMachine(lua_State* L) {
     return 0;
 }
 
+
+int destroyStateMachine(lua_State* L) {
+    ghoul::lua::checkArgumentsAndThrow(L, 0, "lua::destroyStateMachine");
+
+    StateMachineModule* module = global::moduleEngine->module<StateMachineModule>();
+    module->deinitializeStateMachine();
+    return 0;
+}
+
 int goToState(lua_State* L) {
     ghoul::lua::checkArgumentsAndThrow(L, 1, "lua::goToState");
     std::string newState = ghoul::lua::value<std::string>(L);