minetest/src/server/serveractiveobject.cpp

/*
Minetest
Copyright (C) 2010-2013 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 Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser 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.
*/

#include "serveractiveobject.h"
#include <fstream>
#include "inventory.h"
#include "constants.h" // BS
#include "log.h"

ServerActiveObject::ServerActiveObject(ServerEnvironment *env, v3f pos):
	ActiveObject(0),
	m_env(env),
	m_base_position(pos)
{
}

float ServerActiveObject::getMinimumSavedMovement()
{
	return 2.0*BS;
}

ItemStack ServerActiveObject::getWieldedItem(ItemStack *selected, ItemStack *hand) const
{
	*selected = ItemStack();
	if (hand)
		*hand = ItemStack();

	return ItemStack();
}

bool ServerActiveObject::setWieldedItem(const ItemStack &item)
{
	return false;
}

std::string ServerActiveObject::generateUpdateInfantCommand(u16 infant_id, u16 protocol_version)
{
	std::ostringstream os(std::ios::binary);
	// command
	writeU8(os, AO_CMD_SPAWN_INFANT);
	// parameters
	writeU16(os, infant_id);
	writeU8(os, getSendType());
	if (protocol_version < 38) {
		// Clients since 4aa9a66 so no longer need this data
		// Version 38 is the first bump after that commit.
		// See also: ClientEnvironment::addActiveObject
		os << serializeString32(getClientInitializationData(protocol_version));
	}
	return os.str();
}

void ServerActiveObject::dumpAOMessagesToQueue(std::queue<ActiveObjectMessage> &queue)
{
	while (!m_messages_out.empty()) {
		queue.push(std::move(m_messages_out.front()));
		m_messages_out.pop();
	}
}