#ifndef MAP_HEADER
#define MAP_HEADER
-#include <jmutex.h>
-#include <jmutexautolock.h>
-#include <jthread.h>
#include <iostream>
#include <sstream>
#include <set>
#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 Database;
class ClientMap;
class MapSector;
class ServerMapSector;
class IGameDef;
class IRollbackReportSink;
class EmergeManager;
+class ServerEnvironment;
struct BlockMakeData;
+struct MapgenParams;
/*
MEET_ADDNODE,
// Node removed (changed to air)
MEET_REMOVENODE,
+ // Node swapped (changed without metadata change)
+ MEET_SWAPNODE,
// Node metadata of block changed (not knowing which node exactly)
// p stores block coordinate
MEET_BLOCK_NODE_METADATA_CHANGED,
return VoxelArea(p);
case MEET_REMOVENODE:
return VoxelArea(p);
+ case MEET_SWAPNODE:
+ return VoxelArea(p);
case MEET_BLOCK_NODE_METADATA_CHANGED:
{
v3s16 np1 = p*MAP_BLOCKSIZE;
These handle lighting but not faces.
*/
void addNodeAndUpdate(v3s16 p, MapNode n,
- std::map<v3s16, MapBlock*> &modified_blocks);
+ std::map<v3s16, MapBlock*> &modified_blocks,
+ bool remove_metadata = true);
void removeNodeAndUpdate(v3s16 p,
std::map<v3s16, MapBlock*> &modified_blocks);
These emit events.
Return true if succeeded, false if not.
*/
- bool addNodeWithEvent(v3s16 p, MapNode n);
+ bool addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata = true);
bool removeNodeWithEvent(v3s16 p);
/*
void timerUpdate(float dtime, float unload_timeout,
std::list<v3s16> *unloaded_blocks=NULL);
+ /*
+ Unloads all blocks with a zero refCount().
+ Saves modified blocks before unloading on MAPTYPE_SERVER.
+ */
+ void unloadUnreferencedBlocks(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
virtual void PrintInfo(std::ostream &out);
void transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks);
- void transformLiquidsFinite(std::map<v3s16, MapBlock*> & modified_blocks);
/*
Node metadata
*/
NodeMetadata* getNodeMetadata(v3s16 p);
- void setNodeMetadata(v3s16 p, NodeMetadata *meta);
+
+ /**
+ * Sets metadata for a node.
+ * This method sets the metadata for a given node.
+ * On success, it returns @c true and the object pointed to
+ * by @p meta is then managed by the system and should
+ * not be deleted by the caller.
+ *
+ * In case of failure, the method returns @c false and the
+ * caller is still responsible for deleting the object!
+ *
+ * @param p node coordinates
+ * @param meta pointer to @c NodeMetadata object
+ * @return @c true on success, false on failure
+ */
+ bool setNodeMetadata(v3s16 p, NodeMetadata *meta);
void removeNodeMetadata(v3s16 p);
/*
s32 transforming_liquid_size();
protected:
+ friend class LuaVoxelManip;
std::ostream &m_dout; // A bit deprecated, could be removed
*/
MapBlock * emergeBlock(v3s16 p, bool create_blank=true);
+
+ /*
+ Try to get a block.
+ If it does not exist in memory, add it to the emerge queue.
+ - Memory
+ - Emerge Queue (deferred disk or generate)
+ */
+ MapBlock *getBlockOrEmerge(v3s16 p3d);
+
+ // Carries out any initialization necessary before block is sent
+ void prepareBlock(MapBlock *block);
// Helper for placing objects on ground level
s16 findGroundLevel(v2s16 p2d);
/*
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();
void endSave();
void save(ModifiedState save_level);
- //void loadAll();
void listAllLoadableBlocks(std::list<v3s16> &dst);
+ void listAllLoadedBlocks(std::list<v3s16> &dst);
// Saves map seed and possibly other stuff
void saveMapMeta();
void loadMapMeta();
bool isSavingEnabled(){ return m_map_saving_enabled; }
- u64 getSeed(){ return m_seed; }
-
- MapgenParams *getMapgenParams(){ return m_mgparams; }
+ u64 getSeed();
+ s16 getWaterLevel();
- // Parameters fed to the Mapgen
- MapgenParams *m_mgparams;
private:
- // Seed used for all kinds of randomness in generation
- u64 m_seed;
-
// Emerge manager
EmergeManager *m_emerge;
This is reset to false when written on disk.
*/
bool m_map_metadata_changed;
-
- /*
- SQLite database and statements
- */
- sqlite3 *m_database;
- sqlite3_stmt *m_database_read;
- sqlite3_stmt *m_database_write;
- sqlite3_stmt *m_database_list;
+ Database *dbase;
};
#define VMANIP_BLOCK_DATA_INEXIST 1
virtual void emerge(VoxelArea a, s32 caller_id=-1);
- void initialEmerge(v3s16 blockpos_min, v3s16 blockpos_max);
+ void initialEmerge(v3s16 blockpos_min, v3s16 blockpos_max,
+ bool load_if_inexistent = true);
// This is much faster with big chunks of generated data
void blitBackAll(std::map<v3s16, MapBlock*> * modified_blocks);