textures/base/pack/chat_show_btn.png

/*
Minetest
Copyright (C) 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.
*/

#ifndef MAPBLOCK_HEADER
#define MAPBLOCK_HEADER

#include <set>
#include "debug.h"
#include "irr_v3d.h"
#include "mapnode.h"
#include "exceptions.h"
#include "constants.h"
#include "staticobject.h"
#include "nodemetadata.h"
#include "nodetimer.h"
#include "modifiedstate.h"
#include "util/numeric.h" // getContainerPos
#include "settings.h"

class Map;
class NodeMetadataList;
class IGameDef;
class MapBlockMesh;
class VoxelManipulator;

#define BLOCK_TIMESTAMP_UNDEFINED 0xffffffff

/*// Named by looking towards z+
enum{
	FACE_BACK=0,
	FACE_TOP,
	FACE_RIGHT,
	FACE_FRONT,
	FACE_BOTTOM,
	FACE_LEFT
};*/

// NOTE: If this is enabled, set MapBlock to be initialized with
//       CONTENT_IGNORE.
/*enum BlockGenerationStatus
{
	// Completely non-generated (filled with CONTENT_IGNORE).
	BLOCKGEN_UNTOUCHED=0,
	// Trees or similar might have been blitted from other blocks to here.
	// Otherwise, the block contains CONTENT_IGNORE
	BLOCKGEN_FROM_NEIGHBORS=2,
	// Has been generated, but some neighbors might put some stuff in here
	// when they are generated.
	// Does not contain any CONTENT_IGNORE
	BLOCKGEN_SELF_GENERATED=4,
	// The block and all its neighbors have been generated
	BLOCKGEN_FULLY_GENERATED=6
};*/

#if 0
enum
{
	NODECONTAINER_ID_MAPBLOCK,
	NODECONTAINER_ID_MAPSECTOR,
	NODECONTAINER_ID_MAP,
	NODECONTAINER_ID_MAPBLOCKCACHE,
	NODECONTAINER_ID_VOXELMANIPULATOR,
};

class NodeContainer
{
public:
	virtual bool isValidPosition(v3s16 p) = 0;
	virtual MapNode getNode(v3s16 p) = 0;
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