src/network/CMakeLists.txt


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

set(common_network_SRCS
	${CMAKE_CURRENT_SOURCE_DIR}/connection.cpp
	${CMAKE_CURRENT_SOURCE_DIR}/networkpacket.cpp
	${CMAKE_CURRENT_SOURCE_DIR}/packethandlers/server.cpp
	${CMAKE_CURRENT_SOURCE_DIR}/serveropcodes.cpp
	PARENT_SCOPE
)

if (BUILD_CLIENT)
	set(client_network_SRCS
		${CMAKE_CURRENT_SOURCE_DIR}/clientopcodes.cpp
		${CMAKE_CURRENT_SOURCE_DIR}/packethandlers/client.cpp
		PARENT_SCOPE
	)
endif(BUILD_CLIENT)
/*
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 "numeric.h"

#include "../log.h"
#include "../constants.h" // BS, MAP_BLOCKSIZE
#include <iostream>

// Calculate the borders of a "d-radius" cube
void getFacePositions(std::list<v3s16> &list, u16 d)
{
	if(d == 0)
	{
		list.push_back(v3s16(0,0,0));
		return;
	}
	if(d == 1)
	{
		/*
			This is an optimized sequence of coordinates.
		*/
		list.push_back(v3s16( 0, 1, 0)); // top
		list.push_back(v3s16( 0, 0, 1)); // back
		list.push_back(v3s16(-1, 0, 0)); // left
		list.push_back(v3s16( 1, 0, 0)); // right
		list.push_back(v3s16( 0, 0,-1)); // front
		list.push_back(v3s16( 0,-1, 0)); // bottom
		// 6
		list.push_back(v3s16(-1, 0, 1)); // back left
		list.push_back(v3s16( 1, 0, 1)); // back right
		list.push_back(v3s16(-1, 0,-1)); // front left
		list.push_back(v3s16( 1, 0,-1)); // front right
		list.push_back(v3s16(-1,-1, 0)); // bottom left
		list.push_back(v3s16( 1,-1, 0)); // bottom right
		list.push_back(v3s16( 0,-1, 1)); // bottom back
		list.push_back(v3s16( 0,-1,-1)); // bottom front
		list.push_back(v3s16(-1, 1, 0)); // top left
		list.push_back(v3s16( 1, 1, 0)); // top right
		list.push_back(v3s16( 0, 1, 1)); // top back
		list.push_back(v3s16( 0, 1,-1)); // top front
		// 18
		list.push_back(v3s16(-1, 1, 1)); // top back-left
		list.push_back(v3s16( 1, 1, 1)); // top back-right
		list.push_back(v3s16(-1, 1,-1)); // top front-left
		list.push_back(v3s16( 1, 1,-1)); // top front-right
		list.push_back(v3s16(-1,-1, 1)); // bottom back-left
		list.push_back(v3s16( 1,-1, 1)); // bottom back-right
		list.push_back(v3s16(-1,-1,-1)); // bottom front-left
		list.push_back(v3s16( 1,-1,-1)); // bottom front-right
		// 26
		return;
	}

	// Take blocks in all sides, starting from y=0 and going +-y
	for(s16 y=0; y<=d-1; y++)
	{
		// Left and right side, including borders
		for(s16 z=-d; z<=d; z++)
		{
			list.push_back(v3s16(d,y,z));
			list.push_back(v3s16(-d,y,z));
			if(y != 0)
			{
				list.push_back(v3s16(d,-y,z));
				list.push_back(v3s16(-d,-y,z));
			}
		}
		// Back and front side, excluding borders
		for(s16 x=-d+1; x<=d-1; x++)
		{
			list.push_back(v3s16(x,y,d));
			list.push_back(v3s16(x,y,-d));
			if(y != 0)
			{
				list.push_back(v3s16(x,-y,d));
				list.push_back(v3s16(x,-y,-d));
			}
		}
	}

	// Take the bottom and top face with borders
	// -d<x<d, y=+-d, -d<z<d