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.
*/
#include <jmutexautolock.h>
#include <jthread.h>
#include <iostream>
+#include <sstream>
-#include "common_irrlicht.h"
+#include "irrlichttypes_bloated.h"
#include "mapnode.h"
-#include "mapblock_nodemod.h"
#include "constants.h"
#include "voxel.h"
+#include "modifiedstate.h"
+#include "util/container.h"
+#include "nodetimer.h"
+extern "C" {
+ #include "sqlite3.h"
+}
+
+class ClientMap;
class MapSector;
class ServerMapSector;
-class ClientMapSector;
class MapBlock;
class NodeMetadata;
+class IGameDef;
+class IRollbackReportSink;
namespace mapgen{
struct BlockMakeData;
// Node metadata of block changed (not knowing which node exactly)
// p stores block coordinate
MEET_BLOCK_NODE_METADATA_CHANGED,
- // Anything else
+ // 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
{
public:
- Map(std::ostream &dout);
+ Map(std::ostream &dout, IGameDef *gamedef);
virtual ~Map();
/*virtual u16 nodeContainerId() const
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)
// 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);
/*
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
+ // 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
// 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
*/
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);
NodeMetadata* getNodeMetadata(v3s16 p);
void setNodeMetadata(v3s16 p, NodeMetadata *meta);
void removeNodeMetadata(v3s16 p);
- void nodeMetadataStep(float dtime,
- core::map<v3s16, MapBlock*> &changed_blocks);
+
+ /*
+ Node Timers
+ These are basically coordinate wrappers to MapBlock
+ */
+ NodeTimer getNodeTimer(v3s16 p);
+ void setNodeTimer(v3s16 p, NodeTimer t);
+ void removeNodeTimer(v3s16 p);
+
/*
Misc.
*/
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;
-
+
core::map<v2s16, MapSector*> m_sectors;
// Be sure to set this to NULL when the cached sector is deleted
/*
savedir: directory to which map data should be saved
*/
- ServerMap(std::string savedir);
+ ServerMap(std::string savedir, IGameDef *gamedef);
~ServerMap();
s32 mapType() const
*/
MapBlock * createBlock(v3s16 p);
-#if 0
/*
- NOTE: This comment might be outdated
-
Forcefully get a block from somewhere.
-
- InvalidPositionException possible if only_from_disk==true
-
- Parameters:
- changed_blocks: Blocks that have been modified
+ - 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);
v3s16 getBlockPos(std::string sectordir, std::string blockfile);
static std::string getBlockFilename(v3s16 p);
- void save(bool only_changed);
+ /*
+ 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();
// 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);
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;
This is reset to false when written on disk.
*/
bool m_map_metadata_changed;
-};
-
-/*
- 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
+ SQLite database and statements
*/
- 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);
-
- /*
- 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.
- */
- 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);
-
- /*
- Update the faces of the given block and blocks on the
- leading edge.
- */
- 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);
-
- // Check if sector was drawn on last render()
- bool sectorWasDrawn(v2s16 p)
- {
- return (m_last_drawn_sectors.find(p) != NULL);
- }
-
-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;
-
- core::map<v2s16, bool> m_last_drawn_sectors;
+ sqlite3 *m_database;
+ sqlite3_stmt *m_database_read;
+ sqlite3_stmt *m_database_write;
+ sqlite3_stmt *m_database_list;
};
-#endif
-
class MapVoxelManipulator : public VoxelManipulator
{
public: