diff options
Diffstat (limited to 'src/game-server/entity.h')
| -rw-r--r-- | src/game-server/entity.h | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/src/game-server/entity.h b/src/game-server/entity.h index 91f13699..7aed29e6 100644 --- a/src/game-server/entity.h +++ b/src/game-server/entity.h @@ -1,6 +1,7 @@ /* * The Mana Server * Copyright (C) 2004-2010 The Mana World Development Team + * Copyright (C) 2012 The Mana Developers * * This file is part of The Mana Server. * @@ -23,28 +24,29 @@ #include "common/manaserv_protocol.h" -#include <set> +#include "game-server/component.h" #include <sigc++/signal.h> #include <sigc++/trackable.h> +#include <cassert> + using namespace ManaServ; class MapComposite; /** - * Base class for in-game objects. Knows only its type and the map it resides - * on. Provides listeners. + * Base class for in-game objects. + * + * Knows its type, the map it resides on and is host to a number of optional + * components. */ class Entity : public sigc::trackable { public: - Entity(EntityType type, MapComposite *map = 0) - : mMap(map), - mType(type) - {} + Entity(EntityType type, MapComposite *map = 0); - virtual ~Entity() {} + virtual ~Entity(); /** * Gets type of this entity. @@ -55,6 +57,32 @@ class Entity : public sigc::trackable { return mType; } /** + * Adds a component. Only one component of a given type can be added. + * Entity takes ownership of \a component. + */ + template <class T> + void addComponent(T *component) + { + assert(!mComponents[T::type]); + mComponents[T::type] = component; + } + + /** + * Returns the component of the given type, or 0 when no such component + * was set. + */ + Component *getComponent(ComponentType type) const + { return mComponents[type]; } + + /** + * Get a component by its class. Avoids the need for doing a static- + * cast in the calling code. + */ + template <class T> + T *getComponent() const + { return static_cast<T*>(getComponent(T::type)); } + + /** * Returns whether this entity is visible on the map or not. (Actor) */ bool isVisible() const @@ -74,9 +102,10 @@ class Entity : public sigc::trackable { return mType == OBJECT_CHARACTER || mType == OBJECT_MONSTER; } /** - * Updates the internal status. + * Updates the internal status. By default, calls update on all its + * components. */ - virtual void update() = 0; + virtual void update(); /** * Gets the map this entity is located on. @@ -96,6 +125,8 @@ class Entity : public sigc::trackable private: MapComposite *mMap; /**< Map the entity is on */ EntityType mType; /**< Type of this entity. */ + + Component *mComponents[ComponentTypeCount]; }; #endif // ENTITY_H |