Temporary commit; lots of test code and stuff

src/serverobject.h

@@ -0,0 +1,87 @@
+/*
+Minetest-c55
+Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef SERVEROBJECT_HEADER
+#define SERVEROBJECT_HEADER
+
+#include "common_irrlicht.h"
+#include "activeobject.h"
+#include "utility.h"
+
+/*
+
+Some planning
+-------------
+
+* 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.
+* A network packet is created with the info and sent to the client.
+
+*/
+
+class ServerActiveObject : public ActiveObject
+{
+public:
+	ServerActiveObject(u16 id, v3f pos=v3f(0,0,0));
+	virtual ~ServerActiveObject();
+
+	v3f getBasePosition()
+	{
+		return m_base_position;
+	}
+	
+	/*
+		Step object in time.
+		Messages added to messages are sent to client over network.
+	*/
+	virtual void step(float dtime, Queue<ActiveObjectMessage> &messages){}
+	
+	// Number of players which know about this one
+	u16 m_known_by_count;
+	/*
+		Whether this object is to be removed when nobody knows about
+		it anymore.
+		Removal is delayed to preserve the id for the time during which
+		it could be confused to some other object by some client.
+	*/
+	bool m_removed;
+	
+protected:
+	v3f m_base_position;
+};
+
+class TestSAO : public ServerActiveObject
+{
+public:
+	TestSAO(u16 id, v3f pos);
+	u8 getType() const
+	{
+		return ACTIVEOBJECT_TYPE_TEST;
+	}
+	void step(float dtime, Queue<ActiveObjectMessage> &messages);
+private:
+	float m_timer1;
+	float m_age;
+};
+
+#endif
+