* Server environment adds an active object, which gets the id 1
* The active object list is scanned for each client once in a while,
and it finds out what objects have been added that are not known
- by the client yet. This scan is initiated by the server and the
- result ends up directly to the server.
+ by the client yet. This scan is initiated by the Server class and
+ the result ends up directly to the server.
* A network packet is created with the info and sent to the client.
+* Environment converts objects to static data and static data to
+ objects, based on how close players are to them.
*/
class ServerActiveObject : public ActiveObject
{
public:
+ /*
+ NOTE: m_env can be NULL, but step() isn't called if it is.
+ Prototypes are used that way.
+ */
ServerActiveObject(ServerEnvironment *env, u16 id, v3f pos);
virtual ~ServerActiveObject();
/*
Step object in time.
Messages added to messages are sent to client over network.
+
+ send_recommended:
+ True at around 5-10 times a second, same for all objects.
+ This is used to let objects send most of the data at the
+ same time so that the data can be combined in a single
+ packet.
*/
- virtual void step(float dtime, Queue<ActiveObjectMessage> &messages){}
+ virtual void step(float dtime, Queue<ActiveObjectMessage> &messages,
+ bool send_recommended){}
/*
The return value of this is passed to the client-side object
*/
virtual std::string getStaticData(){return "";}
- // Number of players which know about this object
+ /*
+ Item that the player gets when this object is picked up.
+ If NULL, object cannot be picked up.
+ */
+ virtual InventoryItem* createPickedUpItem(){return NULL;}
+
+ /*
+ If the object doesn't return an item, this will be called.
+ Return value is tool wear.
+ */
+ virtual u16 punch(const std::string &toolname){return 0;}
+
+ /*
+ Number of players which know about this object. Object won't be
+ deleted until this is 0 to keep the id preserved for the right
+ object.
+ */
u16 m_known_by_count;
+
/*
- Whether this object is to be removed when nobody knows about
it anymore.
*/
bool m_removed;
+ /*
+ This is set to true when a block should be removed from the active
+ object list but couldn't be removed because the id has to be
+ reserved for some client.
+
+ The environment checks this periodically. If this is true and also
+ m_known_by_count is true,
+ */
+ bool m_pending_deactivation;
+
/*
Whether the object's static data has been stored to a block
*/
{return ACTIVEOBJECT_TYPE_TEST;}
static ServerActiveObject* create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data);
- void step(float dtime, Queue<ActiveObjectMessage> &messages);
+ void step(float dtime, Queue<ActiveObjectMessage> &messages,
+ bool send_recommended);
private:
float m_timer1;
float m_age;
{return ACTIVEOBJECT_TYPE_ITEM;}
static ServerActiveObject* create(ServerEnvironment *env, u16 id, v3f pos,
const std::string &data);
- void step(float dtime, Queue<ActiveObjectMessage> &messages);
+ void step(float dtime, Queue<ActiveObjectMessage> &messages,
+ bool send_recommended);
std::string getClientInitializationData();
std::string getStaticData();
InventoryItem* createInventoryItem();
+ InventoryItem* createPickedUpItem(){return createInventoryItem();}
private:
std::string m_inventorystring;
+ v3f m_speed_f;
+ v3f m_last_sent_position;
+ IntervalLimiter m_move_interval;
+};
+
+class RatSAO : public ServerActiveObject
+{
+public:
+ RatSAO(ServerEnvironment *env, u16 id, v3f pos);
+ u8 getType() const
+ {return ACTIVEOBJECT_TYPE_RAT;}
+ static ServerActiveObject* create(ServerEnvironment *env, u16 id, v3f pos,
+ const std::string &data);
+ void step(float dtime, Queue<ActiveObjectMessage> &messages,
+ bool send_recommended);
+ std::string getClientInitializationData();
+ std::string getStaticData();
+ InventoryItem* createPickedUpItem();
+private:
+ bool m_is_active;
+ IntervalLimiter m_inactive_interval;
+ v3f m_speed_f;
+ v3f m_oldpos;
+ v3f m_last_sent_position;
+ float m_yaw;
+ float m_counter1;
+ float m_counter2;
+ float m_age;
+ bool m_touching_ground;
+};
+
+class Oerkki1SAO : public ServerActiveObject
+{
+public:
+ Oerkki1SAO(ServerEnvironment *env, u16 id, v3f pos);
+ u8 getType() const
+ {return ACTIVEOBJECT_TYPE_OERKKI1;}
+ static ServerActiveObject* create(ServerEnvironment *env, u16 id, v3f pos,
+ const std::string &data);
+ void step(float dtime, Queue<ActiveObjectMessage> &messages,
+ bool send_recommended);
+ std::string getClientInitializationData();
+ std::string getStaticData();
+ InventoryItem* createPickedUpItem(){return NULL;}
+ u16 punch(const std::string &toolname);
+private:
+ bool m_is_active;
+ IntervalLimiter m_inactive_interval;
+ v3f m_speed_f;
+ v3f m_oldpos;
+ v3f m_last_sent_position;
+ float m_yaw;
+ float m_counter1;
+ float m_counter2;
+ float m_age;
+ bool m_touching_ground;
+ u8 m_hp;
};
#endif