/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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
#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 Database;
class ClientMap;
class MapSector;
class ServerMapSector;
class NodeMetadata;
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,
MapEditEventType type;
v3s16 p;
MapNode n;
- core::map<v3s16, bool> modified_blocks;
+ std::set<v3s16> modified_blocks;
u16 already_known_by_peer;
MapEditEvent():
event->type = type;
event->p = p;
event->n = n;
- for(core::map<v3s16, bool>::Iterator
- i = modified_blocks.getIterator();
- i.atEnd()==false; i++)
- {
- v3s16 p = i.getNode()->getKey();
- bool v = i.getNode()->getValue();
- event->modified_blocks.insert(p, v);
- }
+ event->modified_blocks = modified_blocks;
return event;
}
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;
case MEET_OTHER:
{
VoxelArea a;
- for(core::map<v3s16, bool>::Iterator
- i = modified_blocks.getIterator();
- i.atEnd()==false; i++)
+ for(std::set<v3s16>::iterator
+ i = modified_blocks.begin();
+ i != modified_blocks.end(); ++i)
{
- v3s16 p = i.getNode()->getKey();
+ v3s16 p = *i;
v3s16 np1 = p*MAP_BLOCKSIZE;
v3s16 np2 = np1 + v3s16(1,1,1)*MAP_BLOCKSIZE - v3s16(1,1,1);
a.addPoint(np1);
*/
virtual MapSector * emergeSector(v2s16 p){ return NULL; }
virtual MapSector * emergeSector(v2s16 p,
- core::map<v3s16, MapBlock*> &changed_blocks){ return NULL; }
+ std::map<v3s16, MapBlock*> &changed_blocks){ return NULL; }
// Returns InvalidPositionException if not found
MapBlock * getBlockNoCreate(v3s16 p);
MapNode getNodeNoEx(v3s16 p);
void unspreadLight(enum LightBank bank,
- core::map<v3s16, u8> & from_nodes,
- core::map<v3s16, bool> & light_sources,
- core::map<v3s16, MapBlock*> & modified_blocks);
+ 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,
- core::map<v3s16, bool> & light_sources,
- core::map<v3s16, MapBlock*> & modified_blocks);
+ std::set<v3s16> & light_sources,
+ std::map<v3s16, MapBlock*> & modified_blocks);
void spreadLight(enum LightBank bank,
- core::map<v3s16, bool> & from_nodes,
- core::map<v3s16, MapBlock*> & modified_blocks);
+ std::set<v3s16> & from_nodes,
+ std::map<v3s16, MapBlock*> & modified_blocks);
void lightNeighbors(enum LightBank bank,
v3s16 pos,
- core::map<v3s16, MapBlock*> & modified_blocks);
+ std::map<v3s16, MapBlock*> & modified_blocks);
v3s16 getBrightestNeighbour(enum LightBank bank, v3s16 p);
s16 propagateSunlight(v3s16 start,
- core::map<v3s16, MapBlock*> & modified_blocks);
+ std::map<v3s16, MapBlock*> & modified_blocks);
void updateLighting(enum LightBank bank,
- core::map<v3s16, MapBlock*> & a_blocks,
- core::map<v3s16, MapBlock*> & modified_blocks);
+ std::map<v3s16, MapBlock*> & a_blocks,
+ std::map<v3s16, MapBlock*> & modified_blocks);
- void updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
- core::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,
- core::map<v3s16, MapBlock*> &modified_blocks);
+ std::map<v3s16, MapBlock*> &modified_blocks,
+ bool remove_metadata = true);
void removeNodeAndUpdate(v3s16 p,
- core::map<v3s16, MapBlock*> &modified_blocks);
+ 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 addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata = true);
bool removeNodeWithEvent(v3s16 p);
/*
// Server implements this.
// Client leaves it as no-op.
- virtual void saveBlock(MapBlock *block){};
+ virtual bool saveBlock(MapBlock *block) { return false; };
/*
Updates usage timers and unloads unused blocks and sectors.
Saves modified blocks before unloading on MAPTYPE_SERVER.
*/
void timerUpdate(float dtime, float unload_timeout,
- core::list<v3s16> *unloaded_blocks=NULL);
+ 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
- void deleteSectors(core::list<v2s16> &list);
+ void deleteSectors(std::list<v2s16> &list);
#if 0
/*
// For debug printing. Prints "Map: ", "ServerMap: " or "ClientMap: "
virtual void PrintInfo(std::ostream &out);
- void transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks);
+ void transformLiquids(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);
/*
/*
Misc.
*/
- core::map<v2s16, MapSector*> *getSectorsPtr(){return &m_sectors;}
+ std::map<v2s16, MapSector*> *getSectorsPtr(){return &m_sectors;}
/*
Variables
*/
+ void transforming_liquid_add(v3s16 p);
+ s32 transforming_liquid_size();
+
protected:
+ friend class LuaVoxelManip;
std::ostream &m_dout; // A bit deprecated, could be removed
IGameDef *m_gamedef;
- core::map<MapEventReceiver*, bool> m_event_receivers;
+ std::set<MapEventReceiver*> m_event_receivers;
- core::map<v2s16, MapSector*> m_sectors;
+ std::map<v2s16, MapSector*> m_sectors;
// Be sure to set this to NULL when the cached sector is deleted
MapSector *m_sector_cache;
/*
savedir: directory to which map data should be saved
*/
- ServerMap(std::string savedir, IGameDef *gamedef);
+ ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emerge);
~ServerMap();
s32 mapType() const
/*
Blocks are generated by using these and makeBlock().
*/
- void initBlockMake(BlockMakeData *data, v3s16 blockpos);
- MapBlock* finishBlockMake(BlockMakeData *data,
- core::map<v3s16, MapBlock*> &changed_blocks);
-
- // A non-threaded wrapper to the above - DEFUNCT
-/* MapBlock * generateBlock(
- v3s16 p,
- core::map<v3s16, MapBlock*> &modified_blocks
- );*/
+ bool initBlockMake(BlockMakeData *data, v3s16 blockpos);
+ void finishBlockMake(BlockMakeData *data,
+ std::map<v3s16, MapBlock*> &changed_blocks);
/*
Get a block from somewhere.
*/
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(core::list<v3s16> &dst);
-
+ void listAllLoadableBlocks(std::list<v3s16> &dst);
+ void listAllLoadedBlocks(std::list<v3s16> &dst);
// Saves map seed and possibly other stuff
void saveMapMeta();
void loadMapMeta();
// Returns true if sector now resides in memory
//bool deFlushSector(v2s16 p2d);
- void saveBlock(MapBlock *block);
+ bool saveBlock(MapBlock *block, Database *db);
+ bool 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);
bool isSavingEnabled(){ return m_map_saving_enabled; }
- u64 getSeed(){ return m_seed; }
-
- MapgenParams *getMapgenParams(){ return m_mgparams; }
+ u64 getSeed();
+ s16 getWaterLevel();
- void setEmerge(EmergeManager *emerge){ m_emerge = emerge; }
-
- // 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;
};
-class MapVoxelManipulator : public VoxelManipulator
+
+#define VMANIP_BLOCK_DATA_INEXIST 1
+#define VMANIP_BLOCK_CONTAINS_CIGNORE 2
+
+class ManualMapVoxelManipulator : public VoxelManipulator
{
public:
- MapVoxelManipulator(Map *map);
- virtual ~MapVoxelManipulator();
+ ManualMapVoxelManipulator(Map *map);
+ virtual ~ManualMapVoxelManipulator();
virtual void clear()
{
m_loaded_blocks.clear();
}
- virtual void emerge(VoxelArea a, s32 caller_id=-1);
-
- void blitBack(core::map<v3s16, MapBlock*> & modified_blocks);
-
-protected:
- Map *m_map;
- /*
- key = blockpos
- value = block existed when loaded
- */
- core::map<v3s16, bool> m_loaded_blocks;
-};
-
-class ManualMapVoxelManipulator : public MapVoxelManipulator
-{
-public:
- ManualMapVoxelManipulator(Map *map);
- virtual ~ManualMapVoxelManipulator();
-
void setMap(Map *map)
{m_map = map;}
- 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(core::map<v3s16, MapBlock*> * modified_blocks);
+ void blitBackAll(std::map<v3s16, MapBlock*> * modified_blocks,
+ bool overwrite_generated = true);
protected:
bool m_create_area;
+ Map *m_map;
+ /*
+ key = blockpos
+ value = flags describing the block
+ */
+ std::map<v3s16, u8> m_loaded_blocks;
};
#endif
-