Merge pull request #7 from hatkirby/es-rewrite

The ECS rewrite exceeds the original branch in functionality, so it is time to merge it in.

1 files changed, 51 insertions, 0 deletions

@@ -0,0 +1,51 @@
+#ifndef AUTOMATABLE_H_3D519131
+#define AUTOMATABLE_H_3D519131
+
+#include "component.h"
+#include <sol.hpp>
+#include <memory>
+#include "entity_manager.h"
+
+class RunnableComponent : public Component {
+public:
+
+  using id_type = EntityManager::id_type;
+
+  /**
+   * A Lua stack where the entity's script is running.
+   *
+   * NOTE: This object is called a thread, but there is no multi-threading going
+   * on.
+   *
+   * @managed_by ScriptingSystem
+   */
+  std::unique_ptr<sol::thread> runner;
+
+  /**
+   * An entry point to the script running in the runner thread.
+   *
+   * @managed_by ScriptingSystem
+   */
+  std::unique_ptr<sol::coroutine> callable;
+
+  /**
+   * Whether or not this entity represents a behavior script. A behavior script
+   * usually does not terminate on its own, and can be terminated at will by
+   * another system, usually when the automatable entity leaves the active map.
+   *
+   * @managed_by ScriptingSystem
+   */
+  bool behavior = false;
+
+  /**
+   * If this is a behavior script, this is the ID of the automatable entity that
+   * the behavior belongs to. This is required so that the ScriptingSystem can
+   * notify the automatable entity if the behavior script terminates by itself,
+   * and that it shouldn't attempt to terminate it.
+   *
+   * @managed_by ScriptingSystem
+   */
+  id_type actor;
+};
+
+#endif /* end of include guard: AUTOMATABLE_H_3D519131 */