Added MachinePool::Update

MachinePool::Update allows a user update the states of a single machine

include/state-machine_pool.hpp

@@ -30,20 +30,25 @@ class StateMachinePool {
 
         void UpdateAll() {
             for (const auto &[id, machine] : machines) {
-                auto &owner = machine->GetOwner();
+                Update(id);
-                const std::string &current = machine->GetCurrentStateId();
-
-                auto it = transitions.find(current);
-                if (it != transitions.end() && auto_transition == true)
-                    for (const auto &transition : it->second)
-                        if (transition.condition(owner)) {
-                            machine->ChangeState(transition.target_state);
-                            break;
-                        }
-                machine->Update();
             }
         }
 
+        void Update(const std::string &id) {
+            auto &machine = machines.find(id);
+            auto &owner = machine->GetOwner();
+            const std::string &current = machine->GetCurrentStateId();
+
+            auto it = transitions.find(current);
+            if (it != transitions.end() && auto_transition == true)
+                for (const auto &transition : it->second)
+                    if (transition.condition(owner)) {
+                        machine->ChangeState(transition.target_state);
+                        break;
+                    }
+            machine->Update();
+        }
+
         void ChangeState(const std::string &id, const std::string &stateId) {
             auto it = machines.find(id);
             const std::string current = it->second->GetCurrentStateId();

include/state_system.hpp

@@ -43,6 +43,11 @@ class StateSystem {
             GetPool<T>().UpdateAll();
         }
 
+        template <typename T>
+        void Update(const std::string &id) {
+            GetPool<T>().Update(id);
+        }
+
         template <typename T>
         json Serialize() const {
             StateMachinePool<T> &pool = GetPool<T>();