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authorkurzkopfgleitbeutler <kurzkopfgleitbeutler@users.noreply.github.com>2018-12-02 14:33:49 +0000
committerSmallJoker <SmallJoker@users.noreply.github.com>2018-12-02 15:33:49 +0100
commit3b295025fd550725de8151ae63c9a3066e32ad26 (patch)
treeba83d9c79f0ed87969dd9a65eff31178aefb444a /src/gui/guiPasswordChange.h
parentff12630bc966ef6d72f4c6d07c59d952fd44dfb7 (diff)
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Fix spelling of setting descriptions (#7829)
Diffstat (limited to 'src/gui/guiPasswordChange.h')
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/*
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.
*/

#ifndef MAP_HEADER
#define MAP_HEADER

#include <jmutex.h>
#include <jmutexautolock.h>
#include <jthread.h>
#include <iostream>
#include <sstream>
#include <set>
#include <map>
#include <list>

#include "irrlichttypes_bloated.h"
#include "mapnode.h"
#include "constants.h"
#include "voxel.h"
#include "mapgen.h" //for BlockMakeData and EmergeManager
#include "modifiedstate.h"
#include "util/container.h"
#include "nodetimer.h"

extern "C" {
	#include "sqlite3.h"
}

class ClientMap;
class MapSector;
class ServerMapSector;
class MapBlock;
class NodeMetadata;
class IGameDef;
class IRollbackReportSink;
class EmergeManager;
struct BlockMakeData;


/*
	MapEditEvent
*/

#define MAPTYPE_BASE 0
#define MAPTYPE_SERVER 1
#define MAPTYPE_CLIENT 2

enum MapEditEventType{
	// Node added (changed from air or something else to something)
	MEET_ADDNODE,
	// Node removed (changed to air)
	MEET_REMOVENODE,
	// Node metadata of block changed (not knowing which node exactly)
	// p stores block coordinate
	MEET_BLOCK_NODE_METADATA_CHANGED,
	// Anything else (modified_blocks are set unsent)
	MEET_OTHER
};

struct MapEditEvent
{
	MapEditEventType type;
	v3s16 p;
	MapNode n;
	std::set<v3s16> modified_blocks;
	u16 already_known_by_peer;

	MapEditEvent():
		type(MEET_OTHER),
		already_known_by_peer(0)
	{
	}

	MapEditEvent * clone()
	{
		MapEditEvent *event = new MapEditEvent();
		event->type = type;
		event->p = p;
		event->n = n;
		event->modified_blocks = modified_blocks;
		return event;
	}

	VoxelArea getArea()
	{
		switch(type){
		case MEET_ADDNODE:
			return VoxelArea(p);
		case MEET_REMOVENODE:
			return VoxelArea(p);
		case MEET_BLOCK_NODE_METADATA_CHANGED:
		{
			v3s16 np1 = p*MAP_BLOCKSIZE;
			v3s16 np2 = np1 + v3s16(1,1,1)*MAP_BLOCKSIZE - v3s16(1,1,1);
			return VoxelArea(np1, np2);
		}
		case MEET_OTHER:
		{
			VoxelArea a;
			for(std::set<v3s16>::iterator
					i = modified_blocks.begin();
					i != modified_blocks.end(); ++i)
			{
				v3s16 p = *i;
				v3s16 np1 = p*MAP_BLOCKSIZE;
				v3s16 np2 = np1 + v3s16(1,1,1)*MAP_BLOCKSIZE - v3s16(1,1,1);
				a.addPoint(np1);
				a.addPoint(np2);
			}
			return a;
		}
		}
		return VoxelArea();
	}
};

class MapEventReceiver
{
public:
	// event shall be deleted by caller after the call.
	virtual void onMapEditEvent(MapEditEvent *event) = 0;
};

class Map /*: public NodeContainer*/
{
public:

	Map(std::ostream &dout, IGameDef *gamedef);
	virtual ~Map();

	/*virtual u16 nodeContainerId() const
	{
		return NODECONTAINER_ID_MAP;
	}*/

	virtual s32 mapType() const
	{
		return MAPTYPE_BASE;
	}

	/*
		Drop (client) or delete (server) the map.
	*/
	virtual void drop()
	{
		delete this;
	}

	void addEventReceiver(MapEventReceiver *event_receiver);
	void removeEventReceiver(MapEventReceiver *event_receiver);
	// event shall be deleted by caller after the call.
	void dispatchEvent(MapEditEvent *event);

	// On failure returns NULL
	MapSector * getSectorNoGenerateNoExNoLock(v2s16 p2d);
	// Same as the above (there exists no lock anymore)
	MapSector * getSectorNoGenerateNoEx(v2s16 p2d);
	// On failure throws InvalidPositionException
	MapSector * getSectorNoGenerate(v2s16 p2d);
	// Gets an existing sector or creates an empty one
	//MapSector * getSectorCreate(v2s16 p2d);

	/*
		This is overloaded by ClientMap and ServerMap to allow
		their differing fetch methods.
	*/
	virtual MapSector * emergeSector(v2s16 p){ return NULL; }
	virtual MapSector * emergeSector(v2s16 p,
			std::map<v3s16, MapBlock*> &changed_blocks){ return NULL; }

	// Returns InvalidPositionException if not found
	MapBlock * getBlockNoCreate(v3s16 p);
	// Returns NULL if not found
	MapBlock * getBlockNoCreateNoEx(v3s16 p);

	/* Server overrides */
	virtual MapBlock * emergeBlock(v3s16 p, bool allow_generate=true)
	{ return getBlockNoCreateNoEx(p); }

	// Returns InvalidPositionException if not found
	bool isNodeUnderground(v3s16 p);

	bool isValidPosition(v3s16 p);

	// throws InvalidPositionException if not found
	MapNode getNode(v3s16 p);

	// throws InvalidPositionException if not found
	void setNode(v3s16 p, MapNode & n);

	// Returns a CONTENT_IGNORE node if not found
	MapNode getNodeNoEx(v3s16 p);

	void unspreadLight(enum LightBank bank,
			std::map<v3s16, u8> & from_nodes,
			std::set<v3s16> & light_sources,
			std::map<v3s16, MapBlock*> & modified_blocks);

	void unLightNeighbors(enum LightBank bank,
			v3s16 pos, u8 lightwas,
			std::set<v3s16> & light_sources,
			std::map<v3s16, MapBlock*> & modified_blocks);

	void spreadLight(enum LightBank bank,
			std::set<v3s16> & from_nodes,
			std::map<v3s16, MapBlock*> & modified_blocks);

	void lightNeighbors(enum LightBank bank,
			v3s16 pos,
			std::map<v3s16, MapBlock*> & modified_blocks);

	v3s16 getBrightestNeighbour(enum LightBank bank, v3s16 p);

	s16 propagateSunlight(v3s16 start,
			std::map<v3s16, MapBlock*> & modified_blocks);

	void updateLighting(enum LightBank bank,
			std::map<v3s16, MapBlock*>  & a_blocks,
			std::map<v3s16, MapBlock*> & modified_blocks);

	void updateLighting(std::map<v3s16, MapBlock*>  & a_blocks,
			std::map<v3s16, MapBlock*> & modified_blocks);

	/*
		These handle lighting but not faces.
	*/
	void addNodeAndUpdate(v3s16 p, MapNode n,
			std::map<v3s16, MapBlock*> &modified_blocks);
	void removeNodeAndUpdate(v3s16 p,
			std::map<v3s16, MapBlock*> &modified_blocks);

	/*
		Wrappers for the latter ones.
		These emit events.
		Return true if succeeded, false if not.
	*/
	bool addNodeWithEvent(v3s16 p, MapNode n);
	bool removeNodeWithEvent(v3s16 p);

	/*
		Takes the blocks at the edges into account
	*/
	bool getDayNightDiff(v3s16 blockpos);

	//core::aabbox3d<s16> getDisplayedBlockArea();

	//bool updateChangedVisibleArea();

	// Call these before and after saving of many blocks
	virtual void beginSave() {return;};
	virtual void endSave() {return;};

	virtual void save(ModifiedState save_level){assert(0);};

	// Server implements this.
	// Client leaves it as no-op.
	virtual void saveBlock(MapBlock *block){};

	/*
		Updates usage timers and unloads unused blocks and sectors.
		Saves modified blocks before unloading on MAPTYPE_SERVER.
	*/
	void timerUpdate(float dtime, float unload_timeout,
			std::list<v3s16> *unloaded_blocks=NULL);

	// Deletes sectors and their blocks from memory
	// Takes cache into account
	// If deleted sector is in sector cache, clears cache
	void deleteSectors(std::list<v2s16> &list);

#if 0
	/*
		Unload unused data
		= flush changed to disk and delete from memory, if usage timer of
		  block is more than timeout
	*/
	void unloadUnusedData(float timeout,
			core::list<v3s16> *deleted_blocks=NULL);
#endif

	// For debug printing. Prints "Map: ", "ServerMap: " or "ClientMap: "
	virtual void PrintInfo(std::ostream &out);

	void transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks);
	void transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks);

	/*
		Node metadata
		These are basically coordinate wrappers to MapBlock
	*/

	NodeMetadata* getNodeMetadata(v3s16 p);
	void setNodeMetadata(v3s16 p, NodeMetadata *meta);
	void removeNodeMetadata(v3s16 p);

	/*
		Node Timers
		These are basically coordinate wrappers to MapBlock
	*/

	NodeTimer getNodeTimer(v3s16 p);
	void setNodeTimer(v3s16 p, NodeTimer t);
	void removeNodeTimer(v3s16 p);

	/*
		Misc.
	*/
	std::map<v2s16, MapSector*> *getSectorsPtr(){return &m_sectors;}

	/*
		Variables
	*/

	void transforming_liquid_add(v3s16 p);
	s32 transforming_liquid_size();

protected:

	std::ostream &m_dout; // A bit deprecated, could be removed

	IGameDef *m_gamedef;

	std::set<MapEventReceiver*> m_event_receivers;

	std::map<v2s16, MapSector*> m_sectors;

	// Be sure to set this to NULL when the cached sector is deleted
	MapSector *m_sector_cache;
	v2s16 m_sector_cache_p;

	// Queued transforming water nodes
	UniqueQueue<v3s16> m_transforming_liquid;
};

/*
	ServerMap

	This is the only map class that is able to generate map.
*/

class ServerMap : public Map
{
public:
	/*
		savedir: directory to which map data should be saved
	*/
	ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emerge);
	~ServerMap();

	s32 mapType() const
	{
		return MAPTYPE_SERVER;
	}

	/*
		Get a sector from somewhere.
		- Check memory
		- Check disk (doesn't load blocks)
		- Create blank one
	*/
	ServerMapSector * createSector(v2s16 p);

	/*
		Blocks are generated by using these and makeBlock().
	*/
	bool initBlockMake(BlockMakeData *data, v3s16 blockpos);
	MapBlock *finishBlockMake(BlockMakeData *data,
			std::map<v3s16, MapBlock*> &changed_blocks);

	/*
		Get a block from somewhere.
		- Memory
		- Create blank
	*/
	MapBlock * createBlock(v3s16 p);

	/*
		Forcefully get a block from somewhere.
		- Memory
		- Load from disk
		- Create blank filled with CONTENT_IGNORE

	*/
	MapBlock * emergeBlock(v3s16 p, bool create_blank=true);

	// Helper for placing objects on ground level
	s16 findGroundLevel(v2s16 p2d);

	/*
		Misc. helper functions for fiddling with directory and file
		names when saving
	*/
	void createDirs(std::string path);
	// returns something like "map/sectors/xxxxxxxx"
	std::string getSectorDir(v2s16 pos, int layout = 2);
	// dirname: final directory name
	v2s16 getSectorPos(std::string dirname);
	v3s16 getBlockPos(std::string sectordir, std::string blockfile);
	static std::string getBlockFilename(v3s16 p);

	/*
		Database functions
	*/
	// Create the database structure
	void createDatabase();
	// Verify we can read/write to the database
	void verifyDatabase();
	// Get an integer suitable for a block
	static sqlite3_int64 getBlockAsInteger(const v3s16 pos);
	static v3s16 getIntegerAsBlock(sqlite3_int64 i);

	// Returns true if the database file does not exist
	bool loadFromFolders();

	// Call these before and after saving of blocks
	void beginSave();
	void endSave();

	void save(ModifiedState save_level);
	//void loadAll();
	void listAllLoadableBlocks(std::list<v3s16> &dst);
	// Saves map seed and possibly other stuff
	void saveMapMeta();
	void loadMapMeta();

	/*void saveChunkMeta();
	void loadChunkMeta();*/

	// The sector mutex should be locked when calling most of these

	// This only saves sector-specific data such as the heightmap
	// (no MapBlocks)
	// DEPRECATED? Sectors have no metadata anymore.
	void saveSectorMeta(ServerMapSector *sector);
	MapSector* loadSectorMeta(std::string dirname, bool save_after_load);
	bool loadSectorMeta(v2s16 p2d);

	// Full load of a sector including all blocks.
	// returns true on success, false on failure.
	bool loadSectorFull(v2s16 p2d);
	// If sector is not found in memory, try to load it from disk.
	// Returns true if sector now resides in memory
	//bool deFlushSector(v2s16 p2d);

	void saveBlock(MapBlock *block);
	// This will generate a sector with getSector if not found.
	void loadBlock(std::string sectordir, std::string blockfile, MapSector *sector, bool save_after_load=false);
	MapBlock* loadBlock(v3s16 p);
	// Database version
	void loadBlock(std::string *blob, v3s16 p3d, MapSector *sector, bool save_after_load=false);

	// For debug printing
	virtual void PrintInfo(std::ostream &out);

	bool isSavingEnabled(){ return m_map_saving_enabled; }

	u64 getSeed(){ return m_seed; }

	MapgenParams *getMapgenParams(){ return m_mgparams; }

	// Parameters fed to the Mapgen
	MapgenParams *m_mgparams;
private:
	// Seed used for all kinds of randomness in generation
	u64 m_seed;
	
	// Emerge manager