mirror of
https://github.com/moparisthebest/minetest
synced 2024-11-07 09:55:09 -05:00
677 lines
16 KiB
C++
677 lines
16 KiB
C++
/*
|
|
Minetest-c55
|
|
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
|
|
(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.
|
|
|
|
You should have received a copy of the GNU 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.
|
|
*/
|
|
|
|
#ifndef MAP_HEADER
|
|
#define MAP_HEADER
|
|
|
|
#include <jmutex.h>
|
|
#include <jmutexautolock.h>
|
|
#include <jthread.h>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
#include "common_irrlicht.h"
|
|
#include "mapnode.h"
|
|
#include "mapblock_nodemod.h"
|
|
#include "constants.h"
|
|
#include "voxel.h"
|
|
#include "utility.h" // Needed for UniqueQueue, a member of Map
|
|
#include "modifiedstate.h"
|
|
|
|
extern "C" {
|
|
#include "sqlite3.h"
|
|
}
|
|
|
|
class MapSector;
|
|
class ServerMapSector;
|
|
class ClientMapSector;
|
|
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
|
|
};
|
|
|
|
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)
|
|
{
|
|
}
|
|
|
|
MapEditEvent * clone()
|
|
{
|
|
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;
|
|
}
|
|
};
|
|
|
|
class MapEventReceiver
|
|
{
|
|
public:
|
|
// event shall be deleted by caller after the call.
|
|
virtual void onMapEditEvent(MapEditEvent *event) = 0;
|
|
};
|
|
|
|
class Map /*: public NodeContainer*/
|
|
{
|
|
public:
|
|
|
|
Map(std::ostream &dout, IGameDef *gamedef);
|
|
virtual ~Map();
|
|
|
|
/*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 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){ 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);
|
|
|
|
/* Server overrides */
|
|
virtual MapBlock * emergeBlock(v3s16 p, bool allow_generate=true)
|
|
{ return getBlockNoCreateNoEx(p); }
|
|
|
|
// Returns InvalidPositionException if not found
|
|
bool isNodeUnderground(v3s16 p);
|
|
|
|
bool isValidPosition(v3s16 p);
|
|
|
|
// throws InvalidPositionException if not found
|
|
MapNode getNode(v3s16 p);
|
|
|
|
// throws InvalidPositionException if not found
|
|
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, bool> & light_sources,
|
|
core::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);
|
|
|
|
void spreadLight(enum LightBank bank,
|
|
core::map<v3s16, bool> & from_nodes,
|
|
core::map<v3s16, MapBlock*> & modified_blocks);
|
|
|
|
void lightNeighbors(enum LightBank bank,
|
|
v3s16 pos,
|
|
core::map<v3s16, MapBlock*> & modified_blocks);
|
|
|
|
v3s16 getBrightestNeighbour(enum LightBank bank, v3s16 p);
|
|
|
|
s16 propagateSunlight(v3s16 start,
|
|
core::map<v3s16, MapBlock*> & modified_blocks);
|
|
|
|
void updateLighting(enum LightBank bank,
|
|
core::map<v3s16, MapBlock*> & a_blocks,
|
|
core::map<v3s16, MapBlock*> & modified_blocks);
|
|
|
|
void updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
|
|
core::map<v3s16, MapBlock*> & modified_blocks);
|
|
|
|
/*
|
|
These handle lighting but not faces.
|
|
*/
|
|
void addNodeAndUpdate(v3s16 p, MapNode n,
|
|
core::map<v3s16, MapBlock*> &modified_blocks, std::string &player_name);
|
|
void removeNodeAndUpdate(v3s16 p,
|
|
core::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 removeNodeWithEvent(v3s16 p);
|
|
|
|
/*
|
|
Takes the blocks at the edges into account
|
|
*/
|
|
bool dayNightDiffed(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);};
|
|
|
|
// Server implements this.
|
|
// Client leaves it as no-op.
|
|
virtual void saveBlock(MapBlock *block){};
|
|
|
|
/*
|
|
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);
|
|
|
|
// 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
|
|
block is more than timeout
|
|
*/
|
|
void unloadUnusedData(float timeout,
|
|
core::list<v3s16> *deleted_blocks=NULL);
|
|
#endif
|
|
|
|
// 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);
|
|
void nodeMetadataStep(float dtime,
|
|
core::map<v3s16, MapBlock*> &changed_blocks);
|
|
|
|
/*
|
|
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, IGameDef *gamedef);
|
|
~ServerMap();
|
|
|
|
s32 mapType() const
|
|
{
|
|
return MAPTYPE_SERVER;
|
|
}
|
|
|
|
/*
|
|
Get a sector from somewhere.
|
|
- Check memory
|
|
- Check disk (doesn't load blocks)
|
|
- Create blank one
|
|
*/
|
|
ServerMapSector * createSector(v2s16 p);
|
|
|
|
/*
|
|
Blocks are generated by using these and makeBlock().
|
|
*/
|
|
void initBlockMake(mapgen::BlockMakeData *data, v3s16 blockpos);
|
|
MapBlock* finishBlockMake(mapgen::BlockMakeData *data,
|
|
core::map<v3s16, MapBlock*> &changed_blocks);
|
|
|
|
// A non-threaded wrapper to the above
|
|
MapBlock * generateBlock(
|
|
v3s16 p,
|
|
core::map<v3s16, MapBlock*> &modified_blocks
|
|
);
|
|
|
|
/*
|
|
Get a block from somewhere.
|
|
- Memory
|
|
- Create blank
|
|
*/
|
|
MapBlock * createBlock(v3s16 p);
|
|
|
|
/*
|
|
Forcefully get a block from somewhere.
|
|
- Memory
|
|
- Load from disk
|
|
- Generate
|
|
*/
|
|
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 createDirs(std::string path);
|
|
// returns something like "map/sectors/xxxxxxxx"
|
|
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);
|
|
|
|
/*
|
|
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, bool save_after_load);
|
|
bool loadSectorMeta(v2s16 p2d);
|
|
|
|
// Full load of a sector including all blocks.
|
|
// returns true on success, false on failure.
|
|
bool loadSectorFull(v2s16 p2d);
|
|
// If sector is not found in memory, try to load it from disk.
|
|
// Returns true if sector now resides in memory
|
|
//bool deFlushSector(v2s16 p2d);
|
|
|
|
void 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);
|
|
// 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 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;
|
|
#endif
|
|
|
|
/*
|
|
Metadata is re-written on disk only if this is true.
|
|
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;
|
|
};
|
|
|
|
/*
|
|
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;
|
|
class ITextureSource;
|
|
|
|
/*
|
|
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,
|
|
IGameDef *gamedef,
|
|
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, f32 fov)
|
|
{
|
|
JMutexAutoLock lock(m_camera_mutex);
|
|
m_camera_position = pos;
|
|
m_camera_direction = dir;
|
|
m_camera_fov = fov;
|
|
}
|
|
|
|
/*
|
|
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);
|
|
|
|
void renderPostFx();
|
|
|
|
/*
|
|
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, without threading. Rarely used.
|
|
*/
|
|
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;
|
|
f32 m_camera_fov;
|
|
JMutex m_camera_mutex;
|
|
|
|
core::map<v2s16, bool> m_last_drawn_sectors;
|
|
};
|
|
|
|
#endif
|
|
|
|
class MapVoxelManipulator : public VoxelManipulator
|
|
{
|
|
public:
|
|
MapVoxelManipulator(Map *map);
|
|
virtual ~MapVoxelManipulator();
|
|
|
|
virtual void clear()
|
|
{
|
|
VoxelManipulator::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);
|
|
|
|
// This is much faster with big chunks of generated data
|
|
void blitBackAll(core::map<v3s16, MapBlock*> * modified_blocks);
|
|
|
|
protected:
|
|
bool m_create_area;
|
|
};
|
|
|
|
#endif
|
|
|