implemented rats in new system to verify that it works

src/serverobject.h

@@ -40,6 +40,38 @@ Some planning
 
 */
 
+#if 0
+class IntervalLimiter
+{
+public:
+	IntervalLimiter():
+		m_accumulator(0)
+	{
+	}
+	/*
+		dtime: time from last call to this method
+		wanted_interval: interval wanted
+		return value:
+			true: action should be skipped
+			false: action should be done and dtime has been set
+	*/
+	bool step(float &dtime, float wanted_interval)
+	{
+		accumulator += dtime;
+		if(accumulator < wanted_interval)
+		{
+			dtime = 0;
+			return true;
+		}
+		accumulator -= wanted-interval;
+		dtime = wanted_interval;
+		return false;
+	}
+protected:
+	float m_accumulator;
+};
+#endif
+
 class ServerEnvironment;
 class InventoryItem;
 
@@ -67,8 +99,15 @@ public:
 	/*
 		Step object in time.
 		Messages added to messages are sent to client over network.
+
+		send_recommended:
+			True at around 5 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
@@ -83,6 +122,12 @@ public:
 	*/
 	virtual std::string getStaticData(){return "";}
 	
+	/*
+		Item that the player gets when this object is picked up.
+		If NULL, object cannot be picked up.
+	*/
+	virtual InventoryItem* createPickedUpItem(){return NULL;}
+	
 	// Number of players which know about this object
 	u16 m_known_by_count;
 	/*
@@ -129,7 +174,8 @@ public:
 		{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;
@@ -144,13 +190,40 @@ public:
 		{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;
+};
+
+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:
+	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;
 };
 
 #endif