/*
Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2011 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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+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.
*/
#define MAP_HEADER
#include <jmutex.h>
+#include <jmutexautolock.h>
#include <jthread.h>
#include <iostream>
-#include <malloc.h>
-
-#ifdef _WIN32
- #include <windows.h>
- #define sleep_s(x) Sleep((x*1000))
-#else
- #include <unistd.h>
- #define sleep_s(x) sleep(x)
-#endif
+#include <sstream>
-#include "common_irrlicht.h"
-#include "heightmap.h"
+#include "irrlichttypes_bloated.h"
#include "mapnode.h"
-#include "mapblock.h"
-#include "mapsector.h"
#include "constants.h"
#include "voxel.h"
+#include "mapgen.h" //for BlockMakeData and EmergeManager
+#include "modifiedstate.h"
+#include "util/container.h"
+#include "nodetimer.h"
-class Map;
+extern "C" {
+ #include "sqlite3.h"
+}
+
+class ClientMap;
+class MapSector;
+class ServerMapSector;
+class MapBlock;
+class NodeMetadata;
+class IGameDef;
+class IRollbackReportSink;
-#if 0
-/*
- A cache for short-term fast access to map data
- NOTE: This doesn't really make anything more efficient
- NOTE: Use VoxelManipulator, if possible
- TODO: Get rid of this?
- NOTE: CONFIRMED: THIS CACHE DOESN'T MAKE ANYTHING ANY FASTER
+/*
+ MapEditEvent
*/
-class MapBlockPointerCache : public NodeContainer
-{
-public:
- MapBlockPointerCache(Map *map);
- ~MapBlockPointerCache();
- virtual u16 nodeContainerId() const
- {
- return NODECONTAINER_ID_MAPBLOCKCACHE;
- }
+#define MAPTYPE_BASE 0
+#define MAPTYPE_SERVER 1
+#define MAPTYPE_CLIENT 2
- MapBlock * getBlockNoCreate(v3s16 p);
+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
+};
- // virtual from NodeContainer
- bool isValidPosition(v3s16 p)
+struct MapEditEvent
+{
+ MapEditEventType type;
+ v3s16 p;
+ MapNode n;
+ core::map<v3s16, bool> modified_blocks;
+ u16 already_known_by_peer;
+
+ MapEditEvent():
+ type(MEET_OTHER),
+ already_known_by_peer(0)
{
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock *blockref;
- try{
- blockref = getBlockNoCreate(blockpos);
- }
- catch(InvalidPositionException &e)
- {
- return false;
- }
- return true;
}
- // virtual from NodeContainer
- MapNode getNode(v3s16 p)
+ MapEditEvent * clone()
{
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * blockref = getBlockNoCreate(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
-
- return blockref->getNodeNoCheck(relpos);
+ MapEditEvent *event = new 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);
+ }
+ return event;
}
- // virtual from NodeContainer
- void setNode(v3s16 p, MapNode & n)
+ VoxelArea getArea()
{
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * block = getBlockNoCreate(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- block->setNodeNoCheck(relpos, n);
- m_modified_blocks[blockpos] = block;
+ 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(core::map<v3s16, bool>::Iterator
+ i = modified_blocks.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v3s16 p = i.getNode()->getKey();
+ 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();
}
-
- core::map<v3s16, MapBlock*> m_modified_blocks;
-
-private:
- Map *m_map;
- core::map<v3s16, MapBlock*> m_blocks;
-
- u32 m_from_cache_count;
- u32 m_from_map_count;
};
-#endif
-class CacheLock
+class MapEventReceiver
{
public:
- CacheLock()
- {
- m_count = 0;
- m_count_mutex.Init();
- m_cache_mutex.Init();
- m_waitcache_mutex.Init();
- }
-
- void cacheCreated()
- {
- //dstream<<"cacheCreated() begin"<<std::endl;
- JMutexAutoLock waitcachelock(m_waitcache_mutex);
- JMutexAutoLock countlock(m_count_mutex);
-
- // If this is the first cache, grab the cache lock
- if(m_count == 0)
- m_cache_mutex.Lock();
-
- m_count++;
-
- //dstream<<"cacheCreated() end"<<std::endl;
- }
-
- void cacheRemoved()
- {
- //dstream<<"cacheRemoved() begin"<<std::endl;
- JMutexAutoLock countlock(m_count_mutex);
-
- assert(m_count > 0);
-
- m_count--;
-
- // If this is the last one, release the cache lock
- if(m_count == 0)
- m_cache_mutex.Unlock();
-
- //dstream<<"cacheRemoved() end"<<std::endl;
- }
-
- /*
- This lock should be taken when removing stuff that can be
- pointed by the cache.
-
- You'll want to grab this in a SharedPtr.
- */
- JMutexAutoLock * waitCaches()
- {
- //dstream<<"waitCaches() begin"<<std::endl;
- JMutexAutoLock waitcachelock(m_waitcache_mutex);
- JMutexAutoLock *lock = new JMutexAutoLock(m_cache_mutex);
- //dstream<<"waitCaches() end"<<std::endl;
- return lock;
- }
-
-private:
- // Count of existing caches
- u32 m_count;
- JMutex m_count_mutex;
- // This is locked always when there are some caches
- JMutex m_cache_mutex;
- // Locked so that when waitCaches() is called, no more caches are created
- JMutex m_waitcache_mutex;
+ // event shall be deleted by caller after the call.
+ virtual void onMapEditEvent(MapEditEvent *event) = 0;
};
-#define MAPTYPE_BASE 0
-#define MAPTYPE_SERVER 1
-#define MAPTYPE_CLIENT 2
-
-class Map : public NodeContainer, public Heightmappish
+class Map /*: public NodeContainer*/
{
-protected:
-
- std::ostream &m_dout;
-
- core::map<v2s16, MapSector*> m_sectors;
- JMutex m_sector_mutex;
-
- v3f m_camera_position;
- v3f m_camera_direction;
- JMutex m_camera_mutex;
-
- // Be sure to set this to NULL when the cached sector is deleted
- MapSector *m_sector_cache;
- v2s16 m_sector_cache_p;
-
- WrapperHeightmap m_hwrapper;
-
public:
- v3s16 drawoffset; // for drawbox()
-
- /*
- Used by MapBlockPointerCache.
-
- waitCaches() can be called to remove all caches before continuing
- */
- CacheLock m_blockcachelock;
-
- Map(std::ostream &dout);
+ Map(std::ostream &dout, IGameDef *gamedef);
virtual ~Map();
- virtual u16 nodeContainerId() const
+ /*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 updateCamera(v3f pos, v3f dir)
- {
- JMutexAutoLock lock(m_camera_mutex);
- m_camera_position = pos;
- m_camera_direction = dir;
- }
-
- /*void StartUpdater()
- {
- updater.Start();
- }
-
- void StopUpdater()
- {
- updater.setRun(false);
- while(updater.IsRunning())
- sleep_s(1);
- }
-
- bool UpdaterIsRunning()
- {
- return updater.IsRunning();
- }*/
-
- static core::aabbox3d<f32> getNodeBox(v3s16 p)
- {
- return core::aabbox3d<f32>(
- (float)p.X * BS - 0.5*BS,
- (float)p.Y * BS - 0.5*BS,
- (float)p.Z * BS - 0.5*BS,
- (float)p.X * BS + 0.5*BS,
- (float)p.Y * BS + 0.5*BS,
- (float)p.Z * BS + 0.5*BS
- );
- }
-
- //bool sectorExists(v2s16 p);
+ 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) = 0;
-
+ virtual MapSector * emergeSector(v2s16 p){ return NULL; }
+ virtual MapSector * emergeSector(v2s16 p,
+ core::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);
- // Returns InvalidPositionException if not found
- f32 getGroundHeight(v2s16 p, bool generate=false);
- void setGroundHeight(v2s16 p, f32 y, bool generate=false);
+ /* Server overrides */
+ virtual MapBlock * emergeBlock(v3s16 p, bool allow_generate=true)
+ { return getBlockNoCreateNoEx(p); }
// Returns InvalidPositionException if not found
bool isNodeUnderground(v3s16 p);
- // virtual from NodeContainer
- bool isValidPosition(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock *blockref;
- try{
- blockref = getBlockNoCreate(blockpos);
- }
- catch(InvalidPositionException &e)
- {
- return false;
- }
- return true;
- /*v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- bool is_valid = blockref->isValidPosition(relpos);
- return is_valid;*/
- }
+ bool isValidPosition(v3s16 p);
- // virtual from NodeContainer
// throws InvalidPositionException if not found
- MapNode getNode(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * blockref = getBlockNoCreate(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
+ MapNode getNode(v3s16 p);
- return blockref->getNodeNoCheck(relpos);
- }
-
- // virtual from NodeContainer
// throws InvalidPositionException if not found
- void setNode(v3s16 p, MapNode & n)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * blockref = getBlockNoCreate(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- blockref->setNodeNoCheck(relpos, n);
- }
-
- /*MapNode getNodeGenerate(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * blockref = getBlock(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
-
- return blockref->getNode(relpos);
- }*/
-
- /*void setNodeGenerate(v3s16 p, MapNode & n)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * blockref = getBlock(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- blockref->setNode(relpos, n);
- }*/
+ void setNode(v3s16 p, MapNode & n);
+
+ // Returns a CONTENT_IGNORE node if not found
+ MapNode getNodeNoEx(v3s16 p);
void unspreadLight(enum LightBank bank,
core::map<v3s16, u8> & from_nodes,
core::map<v3s16, MapBlock*> &modified_blocks);
void removeNodeAndUpdate(v3s16 p,
core::map<v3s16, MapBlock*> &modified_blocks);
-
-#ifndef SERVER
- void expireMeshes(bool only_daynight_diffed);
-
+
/*
- Updates the faces of the given block and blocks on the
- leading edge.
+ Wrappers for the latter ones.
+ These emit events.
+ Return true if succeeded, false if not.
*/
- void updateMeshes(v3s16 blockpos, u32 daynight_ratio);
-#endif
-
+ bool addNodeWithEvent(v3s16 p, MapNode n);
+ bool removeNodeWithEvent(v3s16 p);
+
/*
Takes the blocks at the edges into account
*/
- bool dayNightDiffed(v3s16 blockpos);
+ 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(bool only_changed){assert(0);};
+ 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
+ Updates usage timers and unloads unused blocks and sectors.
+ Saves modified blocks before unloading on MAPTYPE_SERVER.
*/
- void timerUpdate(float dtime);
-
+ void timerUpdate(float dtime, float unload_timeout,
+ core::list<v3s16> *unloaded_blocks=NULL);
+
+ // Deletes sectors and their blocks from memory
// Takes cache into account
- // sector mutex should be locked when calling
- void deleteSectors(core::list<v2s16> &list, bool only_blocks);
-
- // Returns count of deleted sectors
- u32 deleteUnusedSectors(float timeout, bool only_blocks=false,
+ // If deleted sector is in sector cache, clears cache
+ void deleteSectors(core::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
+ // For debug printing. Prints "Map: ", "ServerMap: " or "ClientMap: "
virtual void PrintInfo(std::ostream &out);
-};
+
+ void transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks);
-// Master heightmap parameters
-struct HMParams
-{
- HMParams()
- {
- blocksize = 64;
- randmax = "constant 70.0";
- randfactor = "constant 0.6";
- base = "linear 0 80 0";
- }
- s16 blocksize;
- std::string randmax;
- std::string randfactor;
- std::string base;
-};
+ /*
+ Node metadata
+ These are basically coordinate wrappers to MapBlock
+ */
+
+ NodeMetadata* getNodeMetadata(v3s16 p);
+ void setNodeMetadata(v3s16 p, NodeMetadata *meta);
+ void removeNodeMetadata(v3s16 p);
-// Map parameters
-struct MapParams
-{
- MapParams()
- {
- plants_amount = 1.0;
- ravines_amount = 1.0;
- //max_objects_in_block = 30;
- }
- float plants_amount;
- float ravines_amount;
- //u16 max_objects_in_block;
+ /*
+ Node Timers
+ These are basically coordinate wrappers to MapBlock
+ */
+
+ NodeTimer getNodeTimer(v3s16 p);
+ void setNodeTimer(v3s16 p, NodeTimer t);
+ void removeNodeTimer(v3s16 p);
+
+ /*
+ Misc.
+ */
+ core::map<v2s16, MapSector*> *getSectorsPtr(){return &m_sectors;}
+
+ /*
+ Variables
+ */
+
+protected:
+
+ std::ostream &m_dout; // A bit deprecated, could be removed
+
+ IGameDef *m_gamedef;
+
+ core::map<MapEventReceiver*, bool> m_event_receivers;
+
+ core::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, HMParams hmp, MapParams mp);
+ ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emerge);
~ServerMap();
s32 mapType() const
}
/*
- Forcefully get a sector from somewhere
+ Get a sector from somewhere.
+ - Check memory
+ - Check disk (doesn't load blocks)
+ - Create blank one
*/
- MapSector * emergeSector(v2s16 p);
+ ServerMapSector * createSector(v2s16 p);
+
/*
- Forcefully get a block from somewhere.
+ 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
+ );*/
+
+ /*
+ Get a block from somewhere.
+ - Memory
+ - Create blank
+ */
+ MapBlock * createBlock(v3s16 p);
- Exceptions:
- - InvalidPositionException: possible if only_from_disk==true
-
- changed_blocks:
- - All already existing blocks that were modified are added.
- - If found on disk, nothing will be added.
- - If generated, the new block will not be included.
-
- lighting_invalidated_blocks:
- - All blocks that have heavy-to-calculate lighting changes
- are added.
- - updateLighting() should be called for these.
+ /*
+ Forcefully get a block from somewhere.
+ - Memory
+ - Load from disk
+ - Create blank filled with CONTENT_IGNORE
- - A block that is in changed_blocks may not be in
- lighting_invalidated_blocks.
*/
- MapBlock * emergeBlock(
- v3s16 p,
- bool only_from_disk,
- core::map<v3s16, MapBlock*> &changed_blocks,
- core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
- );
-
- void createDir(std::string path);
- void createSaveDir();
- // returns something like "xxxxxxxx"
- std::string getSectorSubDir(v2s16 pos);
+ 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);
- std::string createSectorDir(v2s16 pos);
+ 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);
- void save(bool only_changed);
- void loadAll();
-
- void saveMasterHeightmap();
- void loadMasterHeightmap();
-
+ /*
+ 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(core::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);
+ 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.
void saveBlock(MapBlock *block);
// This will generate a sector with getSector if not found.
- void loadBlock(std::string sectordir, std::string blockfile, MapSector *sector);
-
- // Gets from master heightmap
- void getSectorCorners(v2s16 p2d, s16 *corners);
+ 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);
-private:
- UnlimitedHeightmap *m_heightmap;
- MapParams m_params;
+ bool isSavingEnabled(){ return m_map_saving_enabled; }
+ u64 getSeed(){ return m_seed; }
+
+ EmergeManager *m_emerge;
+private:
+ // Seed used for all kinds of randomness in generation
+ u64 m_seed;
+
std::string m_savedir;
bool m_map_saving_enabled;
-};
-
-#ifndef SERVER
-
-class Client;
-class ClientMap : public Map, public scene::ISceneNode
-{
-public:
- ClientMap(
- Client *client,
- JMutex &range_mutex,
- s16 &viewing_range_nodes,
- bool &viewing_range_all,
- scene::ISceneNode* parent,
- scene::ISceneManager* mgr,
- s32 id
- );
-
- ~ClientMap();
-
- s32 mapType() const
- {
- return MAPTYPE_CLIENT;
- }
-
- void drop()
- {
- ISceneNode::drop();
- }
-
- /*
- Forcefully get a sector from somewhere
- */
- MapSector * emergeSector(v2s16 p);
-
- void deSerializeSector(v2s16 p2d, std::istream &is);
+#if 0
+ // Chunk size in MapSectors
+ // If 0, chunks are disabled.
+ s16 m_chunksize;
+ // Chunks
+ core::map<v2s16, MapChunk*> m_chunks;
+#endif
/*
- ISceneNode methods
+ Metadata is re-written on disk only if this is true.
+ This is reset to false when written on disk.
*/
-
- virtual void OnRegisterSceneNode();
-
- virtual void render()
- {
- video::IVideoDriver* driver = SceneManager->getVideoDriver();
- driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
- renderMap(driver, SceneManager->getSceneNodeRenderPass());
- }
+ bool m_map_metadata_changed;
- virtual const core::aabbox3d<f32>& getBoundingBox() const
- {
- return m_box;
- }
-
- void renderMap(video::IVideoDriver* driver, s32 pass);
-
/*
- Methods for setting temporary modifications to nodes for
- drawing.
- Return value is position of changed block.
+ SQLite database and statements
*/
- v3s16 setTempMod(v3s16 p, NodeMod mod);
- v3s16 clearTempMod(v3s16 p);
- // Efficient implementation needs a cache of TempMods
- //void clearTempMods();
-
- // For debug printing
- virtual void PrintInfo(std::ostream &out);
-
-private:
- Client *m_client;
-
- core::aabbox3d<f32> m_box;
-
- // This is the master heightmap mesh
- scene::SMesh *mesh;
- JMutex mesh_mutex;
-
- JMutex &m_range_mutex;
- s16 &m_viewing_range_nodes;
- bool &m_viewing_range_all;
+ sqlite3 *m_database;
+ sqlite3_stmt *m_database_read;
+ sqlite3_stmt *m_database_write;
+ sqlite3_stmt *m_database_list;
};
-#endif
-
class MapVoxelManipulator : public VoxelManipulator
{
public:
void blitBack(core::map<v3s16, MapBlock*> & modified_blocks);
-private:
+protected:
Map *m_map;
/*
- NOTE: This might be used or not
- bool is dummy value
- SUGG: How 'bout an another VoxelManipulator for storing the
- information about which block is loaded?
+ 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);
+
+ // This is much faster with big chunks of generated data
+ void blitBackAll(core::map<v3s16, MapBlock*> * modified_blocks);
+
+protected:
+ bool m_create_area;
+};
+
#endif
projects / oweals / minetest.git / blobdiff