Add clear methods to relevant context objects

src/game/scripting/context_initializer.cpp

@@ -236,7 +236,7 @@ namespace game
 					MessageBoxA(nullptr, string.data(), nullptr, 0);
 				}), "alert");
 
-				const auto level_id = *game::native::levelEntityId;
+				const auto level_id = *native::levelEntityId;
 				chai->add_global(chaiscript::var(entity(context, level_id)), "level");
 			}
 		}

src/game/scripting/event_handler.cpp

@@ -94,6 +94,12 @@ namespace game
 			return {listener.id};
 		}
 
+		void event_handler::clear()
+		{
+			this->event_listeners_.clear();
+			this->generic_event_listeners_.clear();
+		}
+
 		void event_handler::remove(const event_listener_handle& handle)
 		{
 			for (auto task : this->event_listeners_)

src/game/scripting/event_handler.hpp

@@ -42,6 +42,8 @@ namespace game
 			event_listener_handle add_event_listener(event_listener listener);
 			event_listener_handle add_event_listener(generic_event_listener listener);
 
+			void clear();
+
 		private:
 			context* context_;
 			std::atomic_int64_t current_listener_id_ = 0;

src/game/scripting/scheduler.cpp

@@ -56,6 +56,11 @@ namespace game
 			}
 		}
 
+		void scheduler::clear()
+		{
+			this->tasks_.clear();
+		}
+
 		task_handle scheduler::add(const std::function<void()>& callback, const long long milliseconds,
 		                           const bool is_volatile)
 		{

src/game/scripting/scheduler.hpp

@@ -28,6 +28,7 @@ namespace game
 			explicit scheduler(context* context);
 
 			void run_frame();
+			void clear();
 
 		private:
 			context* context_;