/*
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 <sstream>
-#ifdef _WIN32
- #include <windows.h>
- #define sleep_s(x) Sleep((x*1000))
-#else
- #include <unistd.h>
- #define sleep_s(x) sleep(x)
-#endif
-
-#include "common_irrlicht.h"
+#include "irrlichttypes_bloated.h"
#include "mapnode.h"
-#include "mapblock.h"
-#include "mapsector.h"
#include "constants.h"
#include "voxel.h"
-#include "mapchunk.h"
+#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;
+
+namespace mapgen{
+ 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
};
}
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(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();
+ }
};
class MapEventReceiver
virtual void onMapEditEvent(MapEditEvent *event) = 0;
};
-class Map : public NodeContainer
+class Map /*: public NodeContainer*/
{
public:
- 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
{
// On failure returns NULL
MapSector * getSectorNoGenerateNoExNoLock(v2s16 p2d);
- // On failure returns NULL
+ // Same as the above (there exists no lock anymore)
MapSector * getSectorNoGenerateNoEx(v2s16 p2d);
// On failure throws InvalidPositionException
MapSector * getSectorNoGenerate(v2s16 p2d);
MapBlock * getBlockNoCreate(v3s16 p);
// Returns NULL if not found
MapBlock * getBlockNoCreateNoEx(v3s16 p);
- // Gets an existing block or creates an empty one
- //MapBlock * getBlockCreate(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);
- // 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);
- }
+ void setNode(v3s16 p, MapNode & n);
// Returns a CONTENT_IGNORE node if not found
- MapNode getNodeNoEx(v3s16 p)
- {
- try{
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * blockref = getBlockNoCreate(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
-
- return blockref->getNodeNoCheck(relpos);
- }
- catch(InvalidPositionException &e)
- {
- return MapNode(CONTENT_IGNORE);
- }
- }
+ MapNode getNodeNoEx(v3s16 p);
void unspreadLight(enum LightBank bank,
core::map<v3s16, u8> & from_nodes,
/*
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(ModifiedState save_level){assert(0);};
- virtual void save(bool only_changed){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);
+ /*
+ 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.
+ */
+ core::map<v2s16, MapSector*> *getSectorsPtr(){return &m_sectors;}
+
/*
Variables
*/
protected:
- std::ostream &m_dout;
+ std::ostream &m_dout; // A bit deprecated, could be removed
+
+ IGameDef *m_gamedef;
core::map<MapEventReceiver*, bool> m_event_receivers;
- // Mutex is important because on client map is accessed asynchronously
core::map<v2s16, MapSector*> m_sectors;
- JMutex m_sector_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;
-
// Queued transforming water nodes
UniqueQueue<v3s16> m_transforming_liquid;
};
/*
savedir: directory to which map data should be saved
*/
- ServerMap(std::string savedir);
+ ServerMap(std::string savedir, IGameDef *gamedef);
~ServerMap();
s32 mapType() const
return MAPTYPE_SERVER;
}
- /*
- Map generation
- */
-
- // Returns the position of the chunk where the sector is in
- v2s16 sector_to_chunk(v2s16 sectorpos)
- {
- sectorpos.X += m_chunksize / 2;
- sectorpos.Y += m_chunksize / 2;
- v2s16 chunkpos = getContainerPos(sectorpos, m_chunksize);
- return chunkpos;
- }
-
- // Returns the position of the (0,0) sector of the chunk
- v2s16 chunk_to_sector(v2s16 chunkpos)
- {
- v2s16 sectorpos(
- chunkpos.X * m_chunksize,
- chunkpos.Y * m_chunksize
- );
- sectorpos.X -= m_chunksize / 2;
- sectorpos.Y -= m_chunksize / 2;
- return sectorpos;
- }
-
- /*
- Get a chunk.
- */
- MapChunk *getChunk(v2s16 chunkpos)
- {
- core::map<v2s16, MapChunk*>::Node *n;
- n = m_chunks.find(chunkpos);
- if(n == NULL)
- return NULL;
- return n->getValue();
- }
-
- /*
- True if the chunk and its neighbors are fully generated.
- It means the chunk will not be touched in the future by the
- generator. If false, generateChunk will make it true.
- */
- bool chunkNonVolatile(v2s16 chunkpos)
- {
- /*for(s16 x=-1; x<=1; x++)
- for(s16 y=-1; y<=1; y++)*/
- s16 x=0;
- s16 y=0;
- {
- v2s16 chunkpos0 = chunkpos + v2s16(x,y);
- MapChunk *chunk = getChunk(chunkpos);
- if(chunk == NULL)
- return false;
- if(chunk->getGenLevel() != GENERATED_FULLY)
- return false;
- }
- return true;
- }
-
- /*
- Generate a chunk.
-
- All chunks touching this one can be altered also.
- */
- MapChunk* generateChunkRaw(v2s16 chunkpos,
- core::map<v3s16, MapBlock*> &changed_blocks,
- bool force=false);
-
- /*
- Generate a chunk and its neighbors so that it won't be touched
- anymore.
- */
- MapChunk* generateChunk(v2s16 chunkpos,
- core::map<v3s16, MapBlock*> &changed_blocks);
-
- /*
- Generate a sector.
-
- This is mainly called by generateChunkRaw.
- */
- //ServerMapSector * generateSector(v2s16 p);
-
/*
Get a sector from somewhere.
- Check memory
- - Check disk (loads blocks also)
+ - Check disk (doesn't load blocks)
- Create blank one
*/
ServerMapSector * createSector(v2s16 p);
/*
- Get a sector from somewhere.
- - Check memory
- - Check disk (loads blocks also)
- - Generate chunk
+ Blocks are generated by using these and makeBlock().
*/
- MapSector * emergeSector(v2s16 p,
+ void initBlockMake(mapgen::BlockMakeData *data, v3s16 blockpos);
+ MapBlock* finishBlockMake(mapgen::BlockMakeData *data,
core::map<v3s16, MapBlock*> &changed_blocks);
- MapSector * emergeSector(v2s16 p)
- {
- core::map<v3s16, MapBlock*> changed_blocks;
- return emergeSector(p, changed_blocks);
- }
-
+ // A non-threaded wrapper to the above
MapBlock * generateBlock(
v3s16 p,
- MapBlock *original_dummy,
- ServerMapSector *sector,
- core::map<v3s16, MapBlock*> &changed_blocks,
- core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
+ core::map<v3s16, MapBlock*> &modified_blocks
);
/*
- Create blank
*/
MapBlock * createBlock(v3s16 p);
-
- /*
- only_from_disk, changed_blocks and lighting_invalidated_blocks
- are not properly used by the new map generator.
- */
- MapBlock * emergeBlock(
- v3s16 p,
- bool only_from_disk,
- core::map<v3s16, MapBlock*> &changed_blocks,
- core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
- );
-#if 0
/*
Forcefully get a block from somewhere.
-
- 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.
-
- - A block that is in changed_blocks may not be in
- lighting_invalidated_blocks.
+ - Memory
+ - Load from disk
+ - Generate
*/
- MapBlock * emergeBlock(
- v3s16 p,
- bool only_from_disk,
- core::map<v3s16, MapBlock*> &changed_blocks,
- core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
- );
-#endif
+ MapBlock * emergeBlock(v3s16 p, bool allow_generate=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 createDir(std::string path);
- void createSaveDir();
- // returns something like "xxxxxxxx"
- std::string getSectorSubDir(v2s16 pos);
+ 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();
+ /*
+ 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();
+ /*void saveChunkMeta();
+ void loadChunkMeta();*/
// The sector mutex should be locked when calling most of these
// (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);
+ 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; }
+
private:
- // Seed used for all kinds of randomness
+ // Seed used for all kinds of randomness in generation
u64 m_seed;
-
+
std::string m_savedir;
bool m_map_saving_enabled;
+#if 0
// Chunk size in MapSectors
+ // If 0, chunks are disabled.
s16 m_chunksize;
// Chunks
core::map<v2s16, MapChunk*> m_chunks;
-};
-
-/*
- ClientMap stuff
-*/
-
-#ifndef SERVER
-
-struct MapDrawControl
-{
- MapDrawControl():
- range_all(false),
- wanted_range(50),
- wanted_max_blocks(0),
- wanted_min_range(0),
- blocks_drawn(0),
- blocks_would_have_drawn(0)
- {
- }
- // Overrides limits by drawing everything
- bool range_all;
- // Wanted drawing range
- float wanted_range;
- // Maximum number of blocks to draw
- u32 wanted_max_blocks;
- // Blocks in this range are drawn regardless of number of blocks drawn
- float wanted_min_range;
- // Number of blocks rendered is written here by the renderer
- u32 blocks_drawn;
- // Number of blocks that would have been drawn in wanted_range
- u32 blocks_would_have_drawn;
-};
-
-class Client;
-
-/*
- ClientMap
-
- This is the only map class that is able to render itself on screen.
-*/
-
-class ClientMap : public Map, public scene::ISceneNode
-{
-public:
- ClientMap(
- Client *client,
- MapDrawControl &control,
- scene::ISceneNode* parent,
- scene::ISceneManager* mgr,
- s32 id
- );
-
- ~ClientMap();
-
- s32 mapType() const
- {
- return MAPTYPE_CLIENT;
- }
-
- void drop()
- {
- ISceneNode::drop();
- }
-
- void updateCamera(v3f pos, v3f dir)
- {
- JMutexAutoLock lock(m_camera_mutex);
- m_camera_position = pos;
- m_camera_direction = dir;
- }
-
- /*
- Forcefully get a sector from somewhere
- */
- MapSector * emergeSector(v2s16 p);
-
- void deSerializeSector(v2s16 p2d, std::istream &is);
-
- /*
- ISceneNode methods
- */
-
- virtual void OnRegisterSceneNode();
-
- virtual void render()
- {
- video::IVideoDriver* driver = SceneManager->getVideoDriver();
- driver->setTransform(video::ETS_WORLD, AbsoluteTransformation);
- renderMap(driver, SceneManager->getSceneNodeRenderPass());
- }
-
- virtual const core::aabbox3d<f32>& getBoundingBox() const
- {
- return m_box;
- }
-
- void renderMap(video::IVideoDriver* driver, s32 pass);
+#endif
/*
- Methods for setting temporary modifications to nodes for
- drawing.
-
- Returns true if something changed.
-
- All blocks whose mesh could have been changed are inserted
- to affected_blocks.
+ Metadata is re-written on disk only if this is true.
+ This is reset to false when written on disk.
*/
- bool setTempMod(v3s16 p, NodeMod mod,
- core::map<v3s16, MapBlock*> *affected_blocks=NULL);
- bool clearTempMod(v3s16 p,
- core::map<v3s16, MapBlock*> *affected_blocks=NULL);
- // Efficient implementation needs a cache of TempMods
- //void clearTempMods();
-
- void expireMeshes(bool only_daynight_diffed);
+ bool m_map_metadata_changed;
/*
- Update the faces of the given block and blocks on the
- leading edge.
+ SQLite database and statements
*/
- void updateMeshes(v3s16 blockpos, u32 daynight_ratio);
-
- // Update meshes that touch the node
- //void updateNodeMeshes(v3s16 nodepos, u32 daynight_ratio);
-
- // 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;
-
- MapDrawControl &m_control;
-
- v3f m_camera_position;
- v3f m_camera_direction;
- JMutex m_camera_mutex;
-
+ sqlite3 *m_database;
+ sqlite3_stmt *m_database_read;
+ sqlite3_stmt *m_database_write;
+ sqlite3_stmt *m_database_list;
};
-#endif
-
class MapVoxelManipulator : public VoxelManipulator
{
public:
public:
ManualMapVoxelManipulator(Map *map);
virtual ~ManualMapVoxelManipulator();
+
+ void setMap(Map *map)
+ {m_map = map;}
virtual void emerge(VoxelArea a, s32 caller_id=-1);
projects / oweals / minetest.git / blobdiff