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- /*
- 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
- 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 Lesser General Public License for more details.
- 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 "map.h"
- #include "mapsector.h"
- #include "mapblock.h"
- #include "main.h"
- #include "filesys.h"
- #include "voxel.h"
- #include "porting.h"
- #include "serialization.h"
- #include "nodemetadata.h"
- #include "settings.h"
- #include "log.h"
- #include "profiler.h"
- #include "nodedef.h"
- #include "gamedef.h"
- #include "util/directiontables.h"
- #include "util/mathconstants.h"
- #include "rollback_interface.h"
- #include "environment.h"
- #include "emerge.h"
- #include "mapgen_v6.h"
- #include "biome.h"
- #include "config.h"
- #include "server.h"
- #include "database.h"
- #include "database-dummy.h"
- #include "database-sqlite3.h"
- #if USE_LEVELDB
- #include "database-leveldb.h"
- #endif
- #if USE_REDIS
- #include "database-redis.h"
- #endif
- #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
- /*
- SQLite format specification:
- - Initially only replaces sectors/ and sectors2/
- If map.sqlite does not exist in the save dir
- or the block was not found in the database
- the map will try to load from sectors folder.
- In either case, map.sqlite will be created
- and all future saves will save there.
- Structure of map.sqlite:
- Tables:
- blocks
- (PK) INT pos
- BLOB data
- */
- /*
- Map
- */
- Map::Map(std::ostream &dout, IGameDef *gamedef):
- m_dout(dout),
- m_gamedef(gamedef),
- m_sector_cache(NULL)
- {
- }
- Map::~Map()
- {
- /*
- Free all MapSectors
- */
- for(std::map<v2s16, MapSector*>::iterator i = m_sectors.begin();
- i != m_sectors.end(); ++i)
- {
- delete i->second;
- }
- }
- void Map::addEventReceiver(MapEventReceiver *event_receiver)
- {
- m_event_receivers.insert(event_receiver);
- }
- void Map::removeEventReceiver(MapEventReceiver *event_receiver)
- {
- m_event_receivers.erase(event_receiver);
- }
- void Map::dispatchEvent(MapEditEvent *event)
- {
- for(std::set<MapEventReceiver*>::iterator
- i = m_event_receivers.begin();
- i != m_event_receivers.end(); ++i)
- {
- (*i)->onMapEditEvent(event);
- }
- }
- MapSector * Map::getSectorNoGenerateNoExNoLock(v2s16 p)
- {
- if(m_sector_cache != NULL && p == m_sector_cache_p){
- MapSector * sector = m_sector_cache;
- return sector;
- }
- std::map<v2s16, MapSector*>::iterator n = m_sectors.find(p);
- if(n == m_sectors.end())
- return NULL;
- MapSector *sector = n->second;
- // Cache the last result
- m_sector_cache_p = p;
- m_sector_cache = sector;
- return sector;
- }
- MapSector * Map::getSectorNoGenerateNoEx(v2s16 p)
- {
- return getSectorNoGenerateNoExNoLock(p);
- }
- MapSector * Map::getSectorNoGenerate(v2s16 p)
- {
- MapSector *sector = getSectorNoGenerateNoEx(p);
- if(sector == NULL)
- throw InvalidPositionException();
- return sector;
- }
- MapBlock * Map::getBlockNoCreateNoEx(v3s16 p3d)
- {
- v2s16 p2d(p3d.X, p3d.Z);
- MapSector * sector = getSectorNoGenerateNoEx(p2d);
- if(sector == NULL)
- return NULL;
- MapBlock *block = sector->getBlockNoCreateNoEx(p3d.Y);
- return block;
- }
- MapBlock * Map::getBlockNoCreate(v3s16 p3d)
- {
- MapBlock *block = getBlockNoCreateNoEx(p3d);
- if(block == NULL)
- throw InvalidPositionException();
- return block;
- }
- bool Map::isNodeUnderground(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- try{
- MapBlock * block = getBlockNoCreate(blockpos);
- return block->getIsUnderground();
- }
- catch(InvalidPositionException &e)
- {
- return false;
- }
- }
- bool Map::isValidPosition(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock *block = getBlockNoCreate(blockpos);
- return (block != NULL);
- }
- // Returns a CONTENT_IGNORE node if not found
- MapNode Map::getNodeNoEx(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(block == NULL)
- return MapNode(CONTENT_IGNORE);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- return block->getNodeNoCheck(relpos);
- }
- // throws InvalidPositionException if not found
- MapNode Map::getNode(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(block == NULL)
- throw InvalidPositionException();
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- return block->getNodeNoCheck(relpos);
- }
- // throws InvalidPositionException if not found
- void Map::setNode(v3s16 p, MapNode & n)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock *block = getBlockNoCreate(blockpos);
- v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
- // Never allow placing CONTENT_IGNORE, it fucks up stuff
- if(n.getContent() == CONTENT_IGNORE){
- errorstream<<"Map::setNode(): Not allowing to place CONTENT_IGNORE"
- <<" while trying to replace \""
- <<m_gamedef->ndef()->get(block->getNodeNoCheck(relpos)).name
- <<"\" at "<<PP(p)<<" (block "<<PP(blockpos)<<")"<<std::endl;
- debug_stacks_print_to(infostream);
- return;
- }
- block->setNodeNoCheck(relpos, n);
- }
- /*
- Goes recursively through the neighbours of the node.
- Alters only transparent nodes.
- If the lighting of the neighbour is lower than the lighting of
- the node was (before changing it to 0 at the step before), the
- lighting of the neighbour is set to 0 and then the same stuff
- repeats for the neighbour.
- The ending nodes of the routine are stored in light_sources.
- This is useful when a light is removed. In such case, this
- routine can be called for the light node and then again for
- light_sources to re-light the area without the removed light.
- values of from_nodes are lighting values.
- */
- void Map::unspreadLight(enum LightBank bank,
- std::map<v3s16, u8> & from_nodes,
- std::set<v3s16> & light_sources,
- std::map<v3s16, MapBlock*> & modified_blocks)
- {
- INodeDefManager *nodemgr = m_gamedef->ndef();
- v3s16 dirs[6] = {
- v3s16(0,0,1), // back
- v3s16(0,1,0), // top
- v3s16(1,0,0), // right
- v3s16(0,0,-1), // front
- v3s16(0,-1,0), // bottom
- v3s16(-1,0,0), // left
- };
- if(from_nodes.size() == 0)
- return;
- u32 blockchangecount = 0;
- std::map<v3s16, u8> unlighted_nodes;
- /*
- Initialize block cache
- */
- v3s16 blockpos_last;
- MapBlock *block = NULL;
- // Cache this a bit, too
- bool block_checked_in_modified = false;
- for(std::map<v3s16, u8>::iterator j = from_nodes.begin();
- j != from_nodes.end(); ++j)
- {
- v3s16 pos = j->first;
- v3s16 blockpos = getNodeBlockPos(pos);
- // Only fetch a new block if the block position has changed
- try{
- if(block == NULL || blockpos != blockpos_last){
- block = getBlockNoCreate(blockpos);
- blockpos_last = blockpos;
- block_checked_in_modified = false;
- blockchangecount++;
- }
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- if(block->isDummy())
- continue;
- // Calculate relative position in block
- //v3s16 relpos = pos - blockpos_last * MAP_BLOCKSIZE;
- // Get node straight from the block
- //MapNode n = block->getNode(relpos);
- u8 oldlight = j->second;
- // Loop through 6 neighbors
- for(u16 i=0; i<6; i++)
- {
- // Get the position of the neighbor node
- v3s16 n2pos = pos + dirs[i];
- // Get the block where the node is located
- v3s16 blockpos = getNodeBlockPos(n2pos);
- try
- {
- // Only fetch a new block if the block position has changed
- try{
- if(block == NULL || blockpos != blockpos_last){
- block = getBlockNoCreate(blockpos);
- blockpos_last = blockpos;
- block_checked_in_modified = false;
- blockchangecount++;
- }
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- // Calculate relative position in block
- v3s16 relpos = n2pos - blockpos * MAP_BLOCKSIZE;
- // Get node straight from the block
- MapNode n2 = block->getNode(relpos);
- bool changed = false;
- //TODO: Optimize output by optimizing light_sources?
- /*
- If the neighbor is dimmer than what was specified
- as oldlight (the light of the previous node)
- */
- if(n2.getLight(bank, nodemgr) < oldlight)
- {
- /*
- And the neighbor is transparent and it has some light
- */
- if(nodemgr->get(n2).light_propagates
- && n2.getLight(bank, nodemgr) != 0)
- {
- /*
- Set light to 0 and add to queue
- */
- u8 current_light = n2.getLight(bank, nodemgr);
- n2.setLight(bank, 0, nodemgr);
- block->setNode(relpos, n2);
- unlighted_nodes[n2pos] = current_light;
- changed = true;
- /*
- Remove from light_sources if it is there
- NOTE: This doesn't happen nearly at all
- */
- /*if(light_sources.find(n2pos))
- {
- infostream<<"Removed from light_sources"<<std::endl;
- light_sources.remove(n2pos);
- }*/
- }
- /*// DEBUG
- if(light_sources.find(n2pos) != NULL)
- light_sources.remove(n2pos);*/
- }
- else{
- light_sources.insert(n2pos);
- }
- // Add to modified_blocks
- if(changed == true && block_checked_in_modified == false)
- {
- // If the block is not found in modified_blocks, add.
- if(modified_blocks.find(blockpos) == modified_blocks.end())
- {
- modified_blocks[blockpos] = block;
- }
- block_checked_in_modified = true;
- }
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- }
- }
- /*infostream<<"unspreadLight(): Changed block "
- <<blockchangecount<<" times"
- <<" for "<<from_nodes.size()<<" nodes"
- <<std::endl;*/
- if(unlighted_nodes.size() > 0)
- unspreadLight(bank, unlighted_nodes, light_sources, modified_blocks);
- }
- /*
- A single-node wrapper of the above
- */
- void Map::unLightNeighbors(enum LightBank bank,
- v3s16 pos, u8 lightwas,
- std::set<v3s16> & light_sources,
- std::map<v3s16, MapBlock*> & modified_blocks)
- {
- std::map<v3s16, u8> from_nodes;
- from_nodes[pos] = lightwas;
- unspreadLight(bank, from_nodes, light_sources, modified_blocks);
- }
- /*
- Lights neighbors of from_nodes, collects all them and then
- goes on recursively.
- */
- void Map::spreadLight(enum LightBank bank,
- std::set<v3s16> & from_nodes,
- std::map<v3s16, MapBlock*> & modified_blocks)
- {
- INodeDefManager *nodemgr = m_gamedef->ndef();
- const v3s16 dirs[6] = {
- v3s16(0,0,1), // back
- v3s16(0,1,0), // top
- v3s16(1,0,0), // right
- v3s16(0,0,-1), // front
- v3s16(0,-1,0), // bottom
- v3s16(-1,0,0), // left
- };
- if(from_nodes.size() == 0)
- return;
- u32 blockchangecount = 0;
- std::set<v3s16> lighted_nodes;
- /*
- Initialize block cache
- */
- v3s16 blockpos_last;
- MapBlock *block = NULL;
- // Cache this a bit, too
- bool block_checked_in_modified = false;
- for(std::set<v3s16>::iterator j = from_nodes.begin();
- j != from_nodes.end(); ++j)
- {
- v3s16 pos = *j;
- v3s16 blockpos = getNodeBlockPos(pos);
- // Only fetch a new block if the block position has changed
- try{
- if(block == NULL || blockpos != blockpos_last){
- block = getBlockNoCreate(blockpos);
- blockpos_last = blockpos;
- block_checked_in_modified = false;
- blockchangecount++;
- }
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- if(block->isDummy())
- continue;
- // Calculate relative position in block
- v3s16 relpos = pos - blockpos_last * MAP_BLOCKSIZE;
- // Get node straight from the block
- MapNode n = block->getNode(relpos);
- u8 oldlight = n.getLight(bank, nodemgr);
- u8 newlight = diminish_light(oldlight);
- // Loop through 6 neighbors
- for(u16 i=0; i<6; i++){
- // Get the position of the neighbor node
- v3s16 n2pos = pos + dirs[i];
- // Get the block where the node is located
- v3s16 blockpos = getNodeBlockPos(n2pos);
- try
- {
- // Only fetch a new block if the block position has changed
- try{
- if(block == NULL || blockpos != blockpos_last){
- block = getBlockNoCreate(blockpos);
- blockpos_last = blockpos;
- block_checked_in_modified = false;
- blockchangecount++;
- }
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- // Calculate relative position in block
- v3s16 relpos = n2pos - blockpos * MAP_BLOCKSIZE;
- // Get node straight from the block
- MapNode n2 = block->getNode(relpos);
- bool changed = false;
- /*
- If the neighbor is brighter than the current node,
- add to list (it will light up this node on its turn)
- */
- if(n2.getLight(bank, nodemgr) > undiminish_light(oldlight))
- {
- lighted_nodes.insert(n2pos);
- changed = true;
- }
- /*
- If the neighbor is dimmer than how much light this node
- would spread on it, add to list
- */
- if(n2.getLight(bank, nodemgr) < newlight)
- {
- if(nodemgr->get(n2).light_propagates)
- {
- n2.setLight(bank, newlight, nodemgr);
- block->setNode(relpos, n2);
- lighted_nodes.insert(n2pos);
- changed = true;
- }
- }
- // Add to modified_blocks
- if(changed == true && block_checked_in_modified == false)
- {
- // If the block is not found in modified_blocks, add.
- if(modified_blocks.find(blockpos) == modified_blocks.end())
- {
- modified_blocks[blockpos] = block;
- }
- block_checked_in_modified = true;
- }
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- }
- }
- /*infostream<<"spreadLight(): Changed block "
- <<blockchangecount<<" times"
- <<" for "<<from_nodes.size()<<" nodes"
- <<std::endl;*/
- if(lighted_nodes.size() > 0)
- spreadLight(bank, lighted_nodes, modified_blocks);
- }
- /*
- A single-node source variation of the above.
- */
- void Map::lightNeighbors(enum LightBank bank,
- v3s16 pos,
- std::map<v3s16, MapBlock*> & modified_blocks)
- {
- std::set<v3s16> from_nodes;
- from_nodes.insert(pos);
- spreadLight(bank, from_nodes, modified_blocks);
- }
- v3s16 Map::getBrightestNeighbour(enum LightBank bank, v3s16 p)
- {
- INodeDefManager *nodemgr = m_gamedef->ndef();
- v3s16 dirs[6] = {
- v3s16(0,0,1), // back
- v3s16(0,1,0), // top
- v3s16(1,0,0), // right
- v3s16(0,0,-1), // front
- v3s16(0,-1,0), // bottom
- v3s16(-1,0,0), // left
- };
- u8 brightest_light = 0;
- v3s16 brightest_pos(0,0,0);
- bool found_something = false;
- // Loop through 6 neighbors
- for(u16 i=0; i<6; i++){
- // Get the position of the neighbor node
- v3s16 n2pos = p + dirs[i];
- MapNode n2;
- try{
- n2 = getNode(n2pos);
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- if(n2.getLight(bank, nodemgr) > brightest_light || found_something == false){
- brightest_light = n2.getLight(bank, nodemgr);
- brightest_pos = n2pos;
- found_something = true;
- }
- }
- if(found_something == false)
- throw InvalidPositionException();
- return brightest_pos;
- }
- /*
- Propagates sunlight down from a node.
- Starting point gets sunlight.
- Returns the lowest y value of where the sunlight went.
- Mud is turned into grass in where the sunlight stops.
- */
- s16 Map::propagateSunlight(v3s16 start,
- std::map<v3s16, MapBlock*> & modified_blocks)
- {
- INodeDefManager *nodemgr = m_gamedef->ndef();
- s16 y = start.Y;
- for(; ; y--)
- {
- v3s16 pos(start.X, y, start.Z);
- v3s16 blockpos = getNodeBlockPos(pos);
- MapBlock *block;
- try{
- block = getBlockNoCreate(blockpos);
- }
- catch(InvalidPositionException &e)
- {
- break;
- }
- v3s16 relpos = pos - blockpos*MAP_BLOCKSIZE;
- MapNode n = block->getNode(relpos);
- if(nodemgr->get(n).sunlight_propagates)
- {
- n.setLight(LIGHTBANK_DAY, LIGHT_SUN, nodemgr);
- block->setNode(relpos, n);
- modified_blocks[blockpos] = block;
- }
- else
- {
- // Sunlight goes no further
- break;
- }
- }
- return y + 1;
- }
- void Map::updateLighting(enum LightBank bank,
- std::map<v3s16, MapBlock*> & a_blocks,
- std::map<v3s16, MapBlock*> & modified_blocks)
- {
- INodeDefManager *nodemgr = m_gamedef->ndef();
- /*m_dout<<DTIME<<"Map::updateLighting(): "
- <<a_blocks.size()<<" blocks."<<std::endl;*/
- //TimeTaker timer("updateLighting");
- // For debugging
- //bool debug=true;
- //u32 count_was = modified_blocks.size();
- std::map<v3s16, MapBlock*> blocks_to_update;
- std::set<v3s16> light_sources;
- std::map<v3s16, u8> unlight_from;
- int num_bottom_invalid = 0;
- {
- //TimeTaker t("first stuff");
- for(std::map<v3s16, MapBlock*>::iterator i = a_blocks.begin();
- i != a_blocks.end(); ++i)
- {
- MapBlock *block = i->second;
- for(;;)
- {
- // Don't bother with dummy blocks.
- if(block->isDummy())
- break;
- v3s16 pos = block->getPos();
- v3s16 posnodes = block->getPosRelative();
- modified_blocks[pos] = block;
- blocks_to_update[pos] = block;
- /*
- Clear all light from block
- */
- for(s16 z=0; z<MAP_BLOCKSIZE; z++)
- for(s16 x=0; x<MAP_BLOCKSIZE; x++)
- for(s16 y=0; y<MAP_BLOCKSIZE; y++)
- {
- try{
- v3s16 p(x,y,z);
- MapNode n = block->getNode(p);
- u8 oldlight = n.getLight(bank, nodemgr);
- n.setLight(bank, 0, nodemgr);
- block->setNode(p, n);
- // If node sources light, add to list
- u8 source = nodemgr->get(n).light_source;
- if(source != 0)
- light_sources.insert(p + posnodes);
- // Collect borders for unlighting
- if((x==0 || x == MAP_BLOCKSIZE-1
- || y==0 || y == MAP_BLOCKSIZE-1
- || z==0 || z == MAP_BLOCKSIZE-1)
- && oldlight != 0)
- {
- v3s16 p_map = p + posnodes;
- unlight_from[p_map] = oldlight;
- }
- }
- catch(InvalidPositionException &e)
- {
- /*
- This would happen when dealing with a
- dummy block.
- */
- //assert(0);
- infostream<<"updateLighting(): InvalidPositionException"
- <<std::endl;
- }
- }
- if(bank == LIGHTBANK_DAY)
- {
- bool bottom_valid = block->propagateSunlight(light_sources);
- if(!bottom_valid)
- num_bottom_invalid++;
- // If bottom is valid, we're done.
- if(bottom_valid)
- break;
- }
- else if(bank == LIGHTBANK_NIGHT)
- {
- // For night lighting, sunlight is not propagated
- break;
- }
- else
- {
- // Invalid lighting bank
- assert(0);
- }
- /*infostream<<"Bottom for sunlight-propagated block ("
- <<pos.X<<","<<pos.Y<<","<<pos.Z<<") not valid"
- <<std::endl;*/
- // Bottom sunlight is not valid; get the block and loop to it
- pos.Y--;
- try{
- block = getBlockNoCreate(pos);
- }
- catch(InvalidPositionException &e)
- {
- assert(0);
- }
- }
- }
- }
- /*
- Enable this to disable proper lighting for speeding up map
- generation for testing or whatever
- */
- #if 0
- //if(g_settings->get(""))
- {
- core::map<v3s16, MapBlock*>::Iterator i;
- i = blocks_to_update.getIterator();
- for(; i.atEnd() == false; i++)
- {
- MapBlock *block = i.getNode()->getValue();
- v3s16 p = block->getPos();
- block->setLightingExpired(false);
- }
- return;
- }
- #endif
- #if 1
- {
- //TimeTaker timer("unspreadLight");
- unspreadLight(bank, unlight_from, light_sources, modified_blocks);
- }
- /*if(debug)
- {
- u32 diff = modified_blocks.size() - count_was;
- count_was = modified_blocks.size();
- infostream<<"unspreadLight modified "<<diff<<std::endl;
- }*/
- {
- //TimeTaker timer("spreadLight");
- spreadLight(bank, light_sources, modified_blocks);
- }
- /*if(debug)
- {
- u32 diff = modified_blocks.size() - count_was;
- count_was = modified_blocks.size();
- infostream<<"spreadLight modified "<<diff<<std::endl;
- }*/
- #endif
- #if 0
- {
- //MapVoxelManipulator vmanip(this);
- // Make a manual voxel manipulator and load all the blocks
- // that touch the requested blocks
- ManualMapVoxelManipulator vmanip(this);
- {
- //TimeTaker timer("initialEmerge");
- core::map<v3s16, MapBlock*>::Iterator i;
- i = blocks_to_update.getIterator();
- for(; i.atEnd() == false; i++)
- {
- MapBlock *block = i.getNode()->getValue();
- v3s16 p = block->getPos();
- // Add all surrounding blocks
- vmanip.initialEmerge(p - v3s16(1,1,1), p + v3s16(1,1,1));
- /*
- Add all surrounding blocks that have up-to-date lighting
- NOTE: This doesn't quite do the job (not everything
- appropriate is lighted)
- */
- /*for(s16 z=-1; z<=1; z++)
- for(s16 y=-1; y<=1; y++)
- for(s16 x=-1; x<=1; x++)
- {
- v3s16 p2 = p + v3s16(x,y,z);
- MapBlock *block = getBlockNoCreateNoEx(p2);
- if(block == NULL)
- continue;
- if(block->isDummy())
- continue;
- if(block->getLightingExpired())
- continue;
- vmanip.initialEmerge(p2, p2);
- }*/
- // Lighting of block will be updated completely
- block->setLightingExpired(false);
- }
- }
- {
- //TimeTaker timer("unSpreadLight");
- vmanip.unspreadLight(bank, unlight_from, light_sources, nodemgr);
- }
- {
- //TimeTaker timer("spreadLight");
- vmanip.spreadLight(bank, light_sources, nodemgr);
- }
- {
- //TimeTaker timer("blitBack");
- vmanip.blitBack(modified_blocks);
- }
- /*infostream<<"emerge_time="<<emerge_time<<std::endl;
- emerge_time = 0;*/
- }
- #endif
- //m_dout<<"Done ("<<getTimestamp()<<")"<<std::endl;
- }
- void Map::updateLighting(std::map<v3s16, MapBlock*> & a_blocks,
- std::map<v3s16, MapBlock*> & modified_blocks)
- {
- updateLighting(LIGHTBANK_DAY, a_blocks, modified_blocks);
- updateLighting(LIGHTBANK_NIGHT, a_blocks, modified_blocks);
- /*
- Update information about whether day and night light differ
- */
- for(std::map<v3s16, MapBlock*>::iterator
- i = modified_blocks.begin();
- i != modified_blocks.end(); ++i)
- {
- MapBlock *block = i->second;
- block->expireDayNightDiff();
- }
- }
- /*
- */
- void Map::addNodeAndUpdate(v3s16 p, MapNode n,
- std::map<v3s16, MapBlock*> &modified_blocks,
- bool remove_metadata)
- {
- INodeDefManager *ndef = m_gamedef->ndef();
- /*PrintInfo(m_dout);
- m_dout<<DTIME<<"Map::addNodeAndUpdate(): p=("
- <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
- /*
- From this node to nodes underneath:
- If lighting is sunlight (1.0), unlight neighbours and
- set lighting to 0.
- Else discontinue.
- */
- v3s16 toppos = p + v3s16(0,1,0);
- //v3s16 bottompos = p + v3s16(0,-1,0);
- bool node_under_sunlight = true;
- std::set<v3s16> light_sources;
- /*
- Collect old node for rollback
- */
- RollbackNode rollback_oldnode(this, p, m_gamedef);
- /*
- If there is a node at top and it doesn't have sunlight,
- there has not been any sunlight going down.
- Otherwise there probably is.
- */
- try{
- MapNode topnode = getNode(toppos);
- if(topnode.getLight(LIGHTBANK_DAY, ndef) != LIGHT_SUN)
- node_under_sunlight = false;
- }
- catch(InvalidPositionException &e)
- {
- }
- /*
- Remove all light that has come out of this node
- */
- enum LightBank banks[] =
- {
- LIGHTBANK_DAY,
- LIGHTBANK_NIGHT
- };
- for(s32 i=0; i<2; i++)
- {
- enum LightBank bank = banks[i];
- u8 lightwas = getNode(p).getLight(bank, ndef);
- // Add the block of the added node to modified_blocks
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * block = getBlockNoCreate(blockpos);
- assert(block != NULL);
- modified_blocks[blockpos] = block;
- assert(isValidPosition(p));
- // Unlight neighbours of node.
- // This means setting light of all consequent dimmer nodes
- // to 0.
- // This also collects the nodes at the border which will spread
- // light again into this.
- unLightNeighbors(bank, p, lightwas, light_sources, modified_blocks);
- n.setLight(bank, 0, ndef);
- }
- /*
- If node lets sunlight through and is under sunlight, it has
- sunlight too.
- */
- if(node_under_sunlight && ndef->get(n).sunlight_propagates)
- {
- n.setLight(LIGHTBANK_DAY, LIGHT_SUN, ndef);
- }
- /*
- Remove node metadata
- */
- if (remove_metadata) {
- removeNodeMetadata(p);
- }
- /*
- Set the node on the map
- */
- setNode(p, n);
- /*
- If node is under sunlight and doesn't let sunlight through,
- take all sunlighted nodes under it and clear light from them
- and from where the light has been spread.
- TODO: This could be optimized by mass-unlighting instead
- of looping
- */
- if(node_under_sunlight && !ndef->get(n).sunlight_propagates)
- {
- s16 y = p.Y - 1;
- for(;; y--){
- //m_dout<<DTIME<<"y="<<y<<std::endl;
- v3s16 n2pos(p.X, y, p.Z);
- MapNode n2;
- try{
- n2 = getNode(n2pos);
- }
- catch(InvalidPositionException &e)
- {
- break;
- }
- if(n2.getLight(LIGHTBANK_DAY, ndef) == LIGHT_SUN)
- {
- unLightNeighbors(LIGHTBANK_DAY,
- n2pos, n2.getLight(LIGHTBANK_DAY, ndef),
- light_sources, modified_blocks);
- n2.setLight(LIGHTBANK_DAY, 0, ndef);
- setNode(n2pos, n2);
- }
- else
- break;
- }
- }
- for(s32 i=0; i<2; i++)
- {
- enum LightBank bank = banks[i];
- /*
- Spread light from all nodes that might be capable of doing so
- */
- spreadLight(bank, light_sources, modified_blocks);
- }
- /*
- Update information about whether day and night light differ
- */
- for(std::map<v3s16, MapBlock*>::iterator
- i = modified_blocks.begin();
- i != modified_blocks.end(); ++i)
- {
- i->second->expireDayNightDiff();
- }
- /*
- Report for rollback
- */
- if(m_gamedef->rollback())
- {
- RollbackNode rollback_newnode(this, p, m_gamedef);
- RollbackAction action;
- action.setSetNode(p, rollback_oldnode, rollback_newnode);
- m_gamedef->rollback()->reportAction(action);
- }
- /*
- Add neighboring liquid nodes and the node itself if it is
- liquid (=water node was added) to transform queue.
- */
- v3s16 dirs[7] = {
- v3s16(0,0,0), // self
- v3s16(0,0,1), // back
- v3s16(0,1,0), // top
- v3s16(1,0,0), // right
- v3s16(0,0,-1), // front
- v3s16(0,-1,0), // bottom
- v3s16(-1,0,0), // left
- };
- for(u16 i=0; i<7; i++)
- {
- try
- {
- v3s16 p2 = p + dirs[i];
- MapNode n2 = getNode(p2);
- if(ndef->get(n2).isLiquid() || n2.getContent() == CONTENT_AIR)
- {
- m_transforming_liquid.push_back(p2);
- }
- }catch(InvalidPositionException &e)
- {
- }
- }
- }
- /*
- */
- void Map::removeNodeAndUpdate(v3s16 p,
- std::map<v3s16, MapBlock*> &modified_blocks)
- {
- INodeDefManager *ndef = m_gamedef->ndef();
- /*PrintInfo(m_dout);
- m_dout<<DTIME<<"Map::removeNodeAndUpdate(): p=("
- <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
- bool node_under_sunlight = true;
- v3s16 toppos = p + v3s16(0,1,0);
- // Node will be replaced with this
- content_t replace_material = CONTENT_AIR;
- /*
- Collect old node for rollback
- */
- RollbackNode rollback_oldnode(this, p, m_gamedef);
- /*
- If there is a node at top and it doesn't have sunlight,
- there will be no sunlight going down.
- */
- try{
- MapNode topnode = getNode(toppos);
- if(topnode.getLight(LIGHTBANK_DAY, ndef) != LIGHT_SUN)
- node_under_sunlight = false;
- }
- catch(InvalidPositionException &e)
- {
- }
- std::set<v3s16> light_sources;
- enum LightBank banks[] =
- {
- LIGHTBANK_DAY,
- LIGHTBANK_NIGHT
- };
- for(s32 i=0; i<2; i++)
- {
- enum LightBank bank = banks[i];
- /*
- Unlight neighbors (in case the node is a light source)
- */
- unLightNeighbors(bank, p,
- getNode(p).getLight(bank, ndef),
- light_sources, modified_blocks);
- }
- /*
- Remove node metadata
- */
- removeNodeMetadata(p);
- /*
- Remove the node.
- This also clears the lighting.
- */
- MapNode n;
- n.setContent(replace_material);
- setNode(p, n);
- for(s32 i=0; i<2; i++)
- {
- enum LightBank bank = banks[i];
- /*
- Recalculate lighting
- */
- spreadLight(bank, light_sources, modified_blocks);
- }
- // Add the block of the removed node to modified_blocks
- v3s16 blockpos = getNodeBlockPos(p);
- MapBlock * block = getBlockNoCreate(blockpos);
- assert(block != NULL);
- modified_blocks[blockpos] = block;
- /*
- If the removed node was under sunlight, propagate the
- sunlight down from it and then light all neighbors
- of the propagated blocks.
- */
- if(node_under_sunlight)
- {
- s16 ybottom = propagateSunlight(p, modified_blocks);
- /*m_dout<<DTIME<<"Node was under sunlight. "
- "Propagating sunlight";
- m_dout<<DTIME<<" -> ybottom="<<ybottom<<std::endl;*/
- s16 y = p.Y;
- for(; y >= ybottom; y--)
- {
- v3s16 p2(p.X, y, p.Z);
- /*m_dout<<DTIME<<"lighting neighbors of node ("
- <<p2.X<<","<<p2.Y<<","<<p2.Z<<")"
- <<std::endl;*/
- lightNeighbors(LIGHTBANK_DAY, p2, modified_blocks);
- }
- }
- else
- {
- // Set the lighting of this node to 0
- // TODO: Is this needed? Lighting is cleared up there already.
- try{
- MapNode n = getNode(p);
- n.setLight(LIGHTBANK_DAY, 0, ndef);
- setNode(p, n);
- }
- catch(InvalidPositionException &e)
- {
- assert(0);
- }
- }
- for(s32 i=0; i<2; i++)
- {
- enum LightBank bank = banks[i];
- // Get the brightest neighbour node and propagate light from it
- v3s16 n2p = getBrightestNeighbour(bank, p);
- try{
- //MapNode n2 = getNode(n2p);
- lightNeighbors(bank, n2p, modified_blocks);
- }
- catch(InvalidPositionException &e)
- {
- }
- }
- /*
- Update information about whether day and night light differ
- */
- for(std::map<v3s16, MapBlock*>::iterator
- i = modified_blocks.begin();
- i != modified_blocks.end(); ++i)
- {
- i->second->expireDayNightDiff();
- }
- /*
- Report for rollback
- */
- if(m_gamedef->rollback())
- {
- RollbackNode rollback_newnode(this, p, m_gamedef);
- RollbackAction action;
- action.setSetNode(p, rollback_oldnode, rollback_newnode);
- m_gamedef->rollback()->reportAction(action);
- }
- /*
- Add neighboring liquid nodes and this node to transform queue.
- (it's vital for the node itself to get updated last.)
- */
- v3s16 dirs[7] = {
- v3s16(0,0,1), // back
- v3s16(0,1,0), // top
- v3s16(1,0,0), // right
- v3s16(0,0,-1), // front
- v3s16(0,-1,0), // bottom
- v3s16(-1,0,0), // left
- v3s16(0,0,0), // self
- };
- for(u16 i=0; i<7; i++)
- {
- try
- {
- v3s16 p2 = p + dirs[i];
- MapNode n2 = getNode(p2);
- if(ndef->get(n2).isLiquid() || n2.getContent() == CONTENT_AIR)
- {
- m_transforming_liquid.push_back(p2);
- }
- }catch(InvalidPositionException &e)
- {
- }
- }
- }
- bool Map::addNodeWithEvent(v3s16 p, MapNode n, bool remove_metadata)
- {
- MapEditEvent event;
- event.type = remove_metadata ? MEET_ADDNODE : MEET_SWAPNODE;
- event.p = p;
- event.n = n;
- bool succeeded = true;
- try{
- std::map<v3s16, MapBlock*> modified_blocks;
- addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
- // Copy modified_blocks to event
- for(std::map<v3s16, MapBlock*>::iterator
- i = modified_blocks.begin();
- i != modified_blocks.end(); ++i)
- {
- event.modified_blocks.insert(i->first);
- }
- }
- catch(InvalidPositionException &e){
- succeeded = false;
- }
- dispatchEvent(&event);
- return succeeded;
- }
- bool Map::removeNodeWithEvent(v3s16 p)
- {
- MapEditEvent event;
- event.type = MEET_REMOVENODE;
- event.p = p;
- bool succeeded = true;
- try{
- std::map<v3s16, MapBlock*> modified_blocks;
- removeNodeAndUpdate(p, modified_blocks);
- // Copy modified_blocks to event
- for(std::map<v3s16, MapBlock*>::iterator
- i = modified_blocks.begin();
- i != modified_blocks.end(); ++i)
- {
- event.modified_blocks.insert(i->first);
- }
- }
- catch(InvalidPositionException &e){
- succeeded = false;
- }
- dispatchEvent(&event);
- return succeeded;
- }
- bool Map::getDayNightDiff(v3s16 blockpos)
- {
- try{
- v3s16 p = blockpos + v3s16(0,0,0);
- MapBlock *b = getBlockNoCreate(p);
- if(b->getDayNightDiff())
- return true;
- }
- catch(InvalidPositionException &e){}
- // Leading edges
- try{
- v3s16 p = blockpos + v3s16(-1,0,0);
- MapBlock *b = getBlockNoCreate(p);
- if(b->getDayNightDiff())
- return true;
- }
- catch(InvalidPositionException &e){}
- try{
- v3s16 p = blockpos + v3s16(0,-1,0);
- MapBlock *b = getBlockNoCreate(p);
- if(b->getDayNightDiff())
- return true;
- }
- catch(InvalidPositionException &e){}
- try{
- v3s16 p = blockpos + v3s16(0,0,-1);
- MapBlock *b = getBlockNoCreate(p);
- if(b->getDayNightDiff())
- return true;
- }
- catch(InvalidPositionException &e){}
- // Trailing edges
- try{
- v3s16 p = blockpos + v3s16(1,0,0);
- MapBlock *b = getBlockNoCreate(p);
- if(b->getDayNightDiff())
- return true;
- }
- catch(InvalidPositionException &e){}
- try{
- v3s16 p = blockpos + v3s16(0,1,0);
- MapBlock *b = getBlockNoCreate(p);
- if(b->getDayNightDiff())
- return true;
- }
- catch(InvalidPositionException &e){}
- try{
- v3s16 p = blockpos + v3s16(0,0,1);
- MapBlock *b = getBlockNoCreate(p);
- if(b->getDayNightDiff())
- return true;
- }
- catch(InvalidPositionException &e){}
- return false;
- }
- /*
- Updates usage timers
- */
- void Map::timerUpdate(float dtime, float unload_timeout,
- std::list<v3s16> *unloaded_blocks)
- {
- bool save_before_unloading = (mapType() == MAPTYPE_SERVER);
- // Profile modified reasons
- Profiler modprofiler;
- std::list<v2s16> sector_deletion_queue;
- u32 deleted_blocks_count = 0;
- u32 saved_blocks_count = 0;
- u32 block_count_all = 0;
- beginSave();
- for(std::map<v2s16, MapSector*>::iterator si = m_sectors.begin();
- si != m_sectors.end(); ++si)
- {
- MapSector *sector = si->second;
- bool all_blocks_deleted = true;
- std::list<MapBlock*> blocks;
- sector->getBlocks(blocks);
- for(std::list<MapBlock*>::iterator i = blocks.begin();
- i != blocks.end(); ++i)
- {
- MapBlock *block = (*i);
- block->incrementUsageTimer(dtime);
- if(block->refGet() == 0 && block->getUsageTimer() > unload_timeout)
- {
- v3s16 p = block->getPos();
- // Save if modified
- if (block->getModified() != MOD_STATE_CLEAN && save_before_unloading)
- {
- modprofiler.add(block->getModifiedReason(), 1);
- if (!saveBlock(block))
- continue;
- saved_blocks_count++;
- }
- // Delete from memory
- sector->deleteBlock(block);
- if(unloaded_blocks)
- unloaded_blocks->push_back(p);
- deleted_blocks_count++;
- }
- else
- {
- all_blocks_deleted = false;
- block_count_all++;
- }
- }
- if(all_blocks_deleted)
- {
- sector_deletion_queue.push_back(si->first);
- }
- }
- endSave();
- // Finally delete the empty sectors
- deleteSectors(sector_deletion_queue);
- if(deleted_blocks_count != 0)
- {
- PrintInfo(infostream); // ServerMap/ClientMap:
- infostream<<"Unloaded "<<deleted_blocks_count
- <<" blocks from memory";
- if(save_before_unloading)
- infostream<<", of which "<<saved_blocks_count<<" were written";
- infostream<<", "<<block_count_all<<" blocks in memory";
- infostream<<"."<<std::endl;
- if(saved_blocks_count != 0){
- PrintInfo(infostream); // ServerMap/ClientMap:
- infostream<<"Blocks modified by: "<<std::endl;
- modprofiler.print(infostream);
- }
- }
- }
- void Map::unloadUnreferencedBlocks(std::list<v3s16> *unloaded_blocks)
- {
- timerUpdate(0.0, -1.0, unloaded_blocks);
- }
- void Map::deleteSectors(std::list<v2s16> &list)
- {
- for(std::list<v2s16>::iterator j = list.begin();
- j != list.end(); ++j)
- {
- MapSector *sector = m_sectors[*j];
- // If sector is in sector cache, remove it from there
- if(m_sector_cache == sector)
- m_sector_cache = NULL;
- // Remove from map and delete
- m_sectors.erase(*j);
- delete sector;
- }
- }
- #if 0
- void Map::unloadUnusedData(float timeout,
- core::list<v3s16> *deleted_blocks)
- {
- core::list<v2s16> sector_deletion_queue;
- u32 deleted_blocks_count = 0;
- u32 saved_blocks_count = 0;
- core::map<v2s16, MapSector*>::Iterator si = m_sectors.getIterator();
- for(; si.atEnd() == false; si++)
- {
- MapSector *sector = si.getNode()->getValue();
- bool all_blocks_deleted = true;
- core::list<MapBlock*> blocks;
- sector->getBlocks(blocks);
- for(core::list<MapBlock*>::Iterator i = blocks.begin();
- i != blocks.end(); i++)
- {
- MapBlock *block = (*i);
- if(block->getUsageTimer() > timeout)
- {
- // Save if modified
- if(block->getModified() != MOD_STATE_CLEAN)
- {
- saveBlock(block);
- saved_blocks_count++;
- }
- // Delete from memory
- sector->deleteBlock(block);
- deleted_blocks_count++;
- }
- else
- {
- all_blocks_deleted = false;
- }
- }
- if(all_blocks_deleted)
- {
- sector_deletion_queue.push_back(si.getNode()->getKey());
- }
- }
- deleteSectors(sector_deletion_queue);
- infostream<<"Map: Unloaded "<<deleted_blocks_count<<" blocks from memory"
- <<", of which "<<saved_blocks_count<<" were wr."
- <<std::endl;
- //return sector_deletion_queue.getSize();
- //return deleted_blocks_count;
- }
- #endif
- void Map::PrintInfo(std::ostream &out)
- {
- out<<"Map: ";
- }
- #define WATER_DROP_BOOST 4
- enum NeighborType {
- NEIGHBOR_UPPER,
- NEIGHBOR_SAME_LEVEL,
- NEIGHBOR_LOWER
- };
- struct NodeNeighbor {
- MapNode n;
- NeighborType t;
- v3s16 p;
- bool l; //can liquid
- };
- void Map::transforming_liquid_add(v3s16 p) {
- m_transforming_liquid.push_back(p);
- }
- s32 Map::transforming_liquid_size() {
- return m_transforming_liquid.size();
- }
- void Map::transformLiquids(std::map<v3s16, MapBlock*> & modified_blocks)
- {
- INodeDefManager *nodemgr = m_gamedef->ndef();
- DSTACK(__FUNCTION_NAME);
- //TimeTaker timer("transformLiquids()");
- u32 loopcount = 0;
- u32 initial_size = m_transforming_liquid.size();
- /*if(initial_size != 0)
- infostream<<"transformLiquids(): initial_size="<<initial_size<<std::endl;*/
- // list of nodes that due to viscosity have not reached their max level height
- UniqueQueue<v3s16> must_reflow;
- // List of MapBlocks that will require a lighting update (due to lava)
- std::map<v3s16, MapBlock*> lighting_modified_blocks;
- u16 loop_max = g_settings->getU16("liquid_loop_max");
- while(m_transforming_liquid.size() != 0)
- {
- // This should be done here so that it is done when continue is used
- if(loopcount >= initial_size || loopcount >= loop_max)
- break;
- loopcount++;
- /*
- Get a queued transforming liquid node
- */
- v3s16 p0 = m_transforming_liquid.pop_front();
- MapNode n0 = getNodeNoEx(p0);
- /*
- Collect information about current node
- */
- s8 liquid_level = -1;
- content_t liquid_kind = CONTENT_IGNORE;
- LiquidType liquid_type = nodemgr->get(n0).liquid_type;
- switch (liquid_type) {
- case LIQUID_SOURCE:
- liquid_level = LIQUID_LEVEL_SOURCE;
- liquid_kind = nodemgr->getId(nodemgr->get(n0).liquid_alternative_flowing);
- break;
- case LIQUID_FLOWING:
- liquid_level = (n0.param2 & LIQUID_LEVEL_MASK);
- liquid_kind = n0.getContent();
- break;
- case LIQUID_NONE:
- // if this is an air node, it *could* be transformed into a liquid. otherwise,
- // continue with the next node.
- if (n0.getContent() != CONTENT_AIR)
- continue;
- liquid_kind = CONTENT_AIR;
- break;
- }
- /*
- Collect information about the environment
- */
- const v3s16 *dirs = g_6dirs;
- NodeNeighbor sources[6]; // surrounding sources
- int num_sources = 0;
- NodeNeighbor flows[6]; // surrounding flowing liquid nodes
- int num_flows = 0;
- NodeNeighbor airs[6]; // surrounding air
- int num_airs = 0;
- NodeNeighbor neutrals[6]; // nodes that are solid or another kind of liquid
- int num_neutrals = 0;
- bool flowing_down = false;
- for (u16 i = 0; i < 6; i++) {
- NeighborType nt = NEIGHBOR_SAME_LEVEL;
- switch (i) {
- case 1:
- nt = NEIGHBOR_UPPER;
- break;
- case 4:
- nt = NEIGHBOR_LOWER;
- break;
- }
- v3s16 npos = p0 + dirs[i];
- NodeNeighbor nb = {getNodeNoEx(npos), nt, npos};
- switch (nodemgr->get(nb.n.getContent()).liquid_type) {
- case LIQUID_NONE:
- if (nb.n.getContent() == CONTENT_AIR) {
- airs[num_airs++] = nb;
- // if the current node is a water source the neighbor
- // should be enqueded for transformation regardless of whether the
- // current node changes or not.
- if (nb.t != NEIGHBOR_UPPER && liquid_type != LIQUID_NONE)
- m_transforming_liquid.push_back(npos);
- // if the current node happens to be a flowing node, it will start to flow down here.
- if (nb.t == NEIGHBOR_LOWER) {
- flowing_down = true;
- }
- } else {
- neutrals[num_neutrals++] = nb;
- }
- break;
- case LIQUID_SOURCE:
- // if this node is not (yet) of a liquid type, choose the first liquid type we encounter
- if (liquid_kind == CONTENT_AIR)
- liquid_kind = nodemgr->getId(nodemgr->get(nb.n).liquid_alternative_flowing);
- if (nodemgr->getId(nodemgr->get(nb.n).liquid_alternative_flowing) != liquid_kind) {
- neutrals[num_neutrals++] = nb;
- } else {
- // Do not count bottom source, it will screw things up
- if(dirs[i].Y != -1)
- sources[num_sources++] = nb;
- }
- break;
- case LIQUID_FLOWING:
- // if this node is not (yet) of a liquid type, choose the first liquid type we encounter
- if (liquid_kind == CONTENT_AIR)
- liquid_kind = nodemgr->getId(nodemgr->get(nb.n).liquid_alternative_flowing);
- if (nodemgr->getId(nodemgr->get(nb.n).liquid_alternative_flowing) != liquid_kind) {
- neutrals[num_neutrals++] = nb;
- } else {
- flows[num_flows++] = nb;
- if (nb.t == NEIGHBOR_LOWER)
- flowing_down = true;
- }
- break;
- }
- }
- /*
- decide on the type (and possibly level) of the current node
- */
- content_t new_node_content;
- s8 new_node_level = -1;
- s8 max_node_level = -1;
- u8 range = rangelim(nodemgr->get(liquid_kind).liquid_range, 0, LIQUID_LEVEL_MAX+1);
- if ((num_sources >= 2 && nodemgr->get(liquid_kind).liquid_renewable) || liquid_type == LIQUID_SOURCE) {
- // liquid_kind will be set to either the flowing alternative of the node (if it's a liquid)
- // or the flowing alternative of the first of the surrounding sources (if it's air), so
- // it's perfectly safe to use liquid_kind here to determine the new node content.
- new_node_content = nodemgr->getId(nodemgr->get(liquid_kind).liquid_alternative_source);
- } else if (num_sources >= 1 && sources[0].t != NEIGHBOR_LOWER) {
- // liquid_kind is set properly, see above
- new_node_content = liquid_kind;
- max_node_level = new_node_level = LIQUID_LEVEL_MAX;
- if (new_node_level < (LIQUID_LEVEL_MAX+1-range))
- new_node_content = CONTENT_AIR;
- } else {
- // no surrounding sources, so get the maximum level that can flow into this node
- for (u16 i = 0; i < num_flows; i++) {
- u8 nb_liquid_level = (flows[i].n.param2 & LIQUID_LEVEL_MASK);
- switch (flows[i].t) {
- case NEIGHBOR_UPPER:
- if (nb_liquid_level + WATER_DROP_BOOST > max_node_level) {
- max_node_level = LIQUID_LEVEL_MAX;
- if (nb_liquid_level + WATER_DROP_BOOST < LIQUID_LEVEL_MAX)
- max_node_level = nb_liquid_level + WATER_DROP_BOOST;
- } else if (nb_liquid_level > max_node_level)
- max_node_level = nb_liquid_level;
- break;
- case NEIGHBOR_LOWER:
- break;
- case NEIGHBOR_SAME_LEVEL:
- if ((flows[i].n.param2 & LIQUID_FLOW_DOWN_MASK) != LIQUID_FLOW_DOWN_MASK &&
- nb_liquid_level > 0 && nb_liquid_level - 1 > max_node_level) {
- max_node_level = nb_liquid_level - 1;
- }
- break;
- }
- }
- u8 viscosity = nodemgr->get(liquid_kind).liquid_viscosity;
- if (viscosity > 1 && max_node_level != liquid_level) {
- // amount to gain, limited by viscosity
- // must be at least 1 in absolute value
- s8 level_inc = max_node_level - liquid_level;
- if (level_inc < -viscosity || level_inc > viscosity)
- new_node_level = liquid_level + level_inc/viscosity;
- else if (level_inc < 0)
- new_node_level = liquid_level - 1;
- else if (level_inc > 0)
- new_node_level = liquid_level + 1;
- if (new_node_level != max_node_level)
- must_reflow.push_back(p0);
- } else
- new_node_level = max_node_level;
- if (max_node_level >= (LIQUID_LEVEL_MAX+1-range))
- new_node_content = liquid_kind;
- else
- new_node_content = CONTENT_AIR;
- }
- /*
- check if anything has changed. if not, just continue with the next node.
- */
- if (new_node_content == n0.getContent() && (nodemgr->get(n0.getContent()).liquid_type != LIQUID_FLOWING ||
- ((n0.param2 & LIQUID_LEVEL_MASK) == (u8)new_node_level &&
- ((n0.param2 & LIQUID_FLOW_DOWN_MASK) == LIQUID_FLOW_DOWN_MASK)
- == flowing_down)))
- continue;
- /*
- update the current node
- */
- MapNode n00 = n0;
- //bool flow_down_enabled = (flowing_down && ((n0.param2 & LIQUID_FLOW_DOWN_MASK) != LIQUID_FLOW_DOWN_MASK));
- if (nodemgr->get(new_node_content).liquid_type == LIQUID_FLOWING) {
- // set level to last 3 bits, flowing down bit to 4th bit
- n0.param2 = (flowing_down ? LIQUID_FLOW_DOWN_MASK : 0x00) | (new_node_level & LIQUID_LEVEL_MASK);
- } else {
- // set the liquid level and flow bit to 0
- n0.param2 = ~(LIQUID_LEVEL_MASK | LIQUID_FLOW_DOWN_MASK);
- }
- n0.setContent(new_node_content);
- // Find out whether there is a suspect for this action
- std::string suspect;
- if(m_gamedef->rollback()){
- suspect = m_gamedef->rollback()->getSuspect(p0, 83, 1);
- }
- if(!suspect.empty()){
- // Blame suspect
- RollbackScopeActor rollback_scope(m_gamedef->rollback(), suspect, true);
- // Get old node for rollback
- RollbackNode rollback_oldnode(this, p0, m_gamedef);
- // Set node
- setNode(p0, n0);
- // Report
- RollbackNode rollback_newnode(this, p0, m_gamedef);
- RollbackAction action;
- action.setSetNode(p0, rollback_oldnode, rollback_newnode);
- m_gamedef->rollback()->reportAction(action);
- } else {
- // Set node
- setNode(p0, n0);
- }
- v3s16 blockpos = getNodeBlockPos(p0);
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(block != NULL) {
- modified_blocks[blockpos] = block;
- // If new or old node emits light, MapBlock requires lighting update
- if(nodemgr->get(n0).light_source != 0 ||
- nodemgr->get(n00).light_source != 0)
- lighting_modified_blocks[block->getPos()] = block;
- }
- /*
- enqueue neighbors for update if neccessary
- */
- switch (nodemgr->get(n0.getContent()).liquid_type) {
- case LIQUID_SOURCE:
- case LIQUID_FLOWING:
- // make sure source flows into all neighboring nodes
- for (u16 i = 0; i < num_flows; i++)
- if (flows[i].t != NEIGHBOR_UPPER)
- m_transforming_liquid.push_back(flows[i].p);
- for (u16 i = 0; i < num_airs; i++)
- if (airs[i].t != NEIGHBOR_UPPER)
- m_transforming_liquid.push_back(airs[i].p);
- break;
- case LIQUID_NONE:
- // this flow has turned to air; neighboring flows might need to do the same
- for (u16 i = 0; i < num_flows; i++)
- m_transforming_liquid.push_back(flows[i].p);
- break;
- }
- }
- //infostream<<"Map::transformLiquids(): loopcount="<<loopcount<<std::endl;
- while (must_reflow.size() > 0)
- m_transforming_liquid.push_back(must_reflow.pop_front());
- updateLighting(lighting_modified_blocks, modified_blocks);
- }
- NodeMetadata *Map::getNodeMetadata(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(!block){
- infostream<<"Map::getNodeMetadata(): Need to emerge "
- <<PP(blockpos)<<std::endl;
- block = emergeBlock(blockpos, false);
- }
- if(!block){
- infostream<<"WARNING: Map::getNodeMetadata(): Block not found"
- <<std::endl;
- return NULL;
- }
- NodeMetadata *meta = block->m_node_metadata.get(p_rel);
- return meta;
- }
- bool Map::setNodeMetadata(v3s16 p, NodeMetadata *meta)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(!block){
- infostream<<"Map::setNodeMetadata(): Need to emerge "
- <<PP(blockpos)<<std::endl;
- block = emergeBlock(blockpos, false);
- }
- if(!block){
- infostream<<"WARNING: Map::setNodeMetadata(): Block not found"
- <<std::endl;
- return false;
- }
- block->m_node_metadata.set(p_rel, meta);
- return true;
- }
- void Map::removeNodeMetadata(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(block == NULL)
- {
- infostream<<"WARNING: Map::removeNodeMetadata(): Block not found"
- <<std::endl;
- return;
- }
- block->m_node_metadata.remove(p_rel);
- }
- NodeTimer Map::getNodeTimer(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(!block){
- infostream<<"Map::getNodeTimer(): Need to emerge "
- <<PP(blockpos)<<std::endl;
- block = emergeBlock(blockpos, false);
- }
- if(!block){
- infostream<<"WARNING: Map::getNodeTimer(): Block not found"
- <<std::endl;
- return NodeTimer();
- }
- NodeTimer t = block->m_node_timers.get(p_rel);
- return t;
- }
- void Map::setNodeTimer(v3s16 p, NodeTimer t)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(!block){
- infostream<<"Map::setNodeTimer(): Need to emerge "
- <<PP(blockpos)<<std::endl;
- block = emergeBlock(blockpos, false);
- }
- if(!block){
- infostream<<"WARNING: Map::setNodeTimer(): Block not found"
- <<std::endl;
- return;
- }
- block->m_node_timers.set(p_rel, t);
- }
- void Map::removeNodeTimer(v3s16 p)
- {
- v3s16 blockpos = getNodeBlockPos(p);
- v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
- MapBlock *block = getBlockNoCreateNoEx(blockpos);
- if(block == NULL)
- {
- infostream<<"WARNING: Map::removeNodeTimer(): Block not found"
- <<std::endl;
- return;
- }
- block->m_node_timers.remove(p_rel);
- }
- /*
- ServerMap
- */
- ServerMap::ServerMap(std::string savedir, IGameDef *gamedef, EmergeManager *emerge):
- Map(dout_server, gamedef),
- m_emerge(emerge),
- m_map_metadata_changed(true)
- {
- verbosestream<<__FUNCTION_NAME<<std::endl;
- /*
- Try to load map; if not found, create a new one.
- */
- // Determine which database backend to use
- std::string conf_path = savedir + DIR_DELIM + "world.mt";
- Settings conf;
- bool succeeded = conf.readConfigFile(conf_path.c_str());
- if (!succeeded || !conf.exists("backend")) {
- // fall back to sqlite3
- dbase = new Database_SQLite3(this, savedir);
- conf.set("backend", "sqlite3");
- } else {
- std::string backend = conf.get("backend");
- if (backend == "dummy")
- dbase = new Database_Dummy(this);
- else if (backend == "sqlite3")
- dbase = new Database_SQLite3(this, savedir);
- #if USE_LEVELDB
- else if (backend == "leveldb")
- dbase = new Database_LevelDB(this, savedir);
- #endif
- #if USE_REDIS
- else if (backend == "redis")
- dbase = new Database_Redis(this, savedir);
- #endif
- else
- throw BaseException("Unknown map backend");
- }
- m_savedir = savedir;
- m_map_saving_enabled = false;
- try
- {
- // If directory exists, check contents and load if possible
- if(fs::PathExists(m_savedir))
- {
- // If directory is empty, it is safe to save into it.
- if(fs::GetDirListing(m_savedir).size() == 0)
- {
- infostream<<"ServerMap: Empty save directory is valid."
- <<std::endl;
- m_map_saving_enabled = true;
- }
- else
- {
- try{
- // Load map metadata (seed, chunksize)
- loadMapMeta();
- }
- catch(SettingNotFoundException &e){
- infostream<<"ServerMap: Some metadata not found."
- <<" Using default settings."<<std::endl;
- }
- catch(FileNotGoodException &e){
- infostream<<"WARNING: Could not load map metadata"
- //<<" Disabling chunk-based generator."
- <<std::endl;
- //m_chunksize = 0;
- }
- infostream<<"ServerMap: Successfully loaded map "
- <<"metadata from "<<savedir
- <<", assuming valid save directory."
- <<" seed="<< m_emerge->params.seed <<"."
- <<std::endl;
- m_map_saving_enabled = true;
- // Map loaded, not creating new one
- return;
- }
- }
- // If directory doesn't exist, it is safe to save to it
- else{
- m_map_saving_enabled = true;
- }
- }
- catch(std::exception &e)
- {
- infostream<<"WARNING: ServerMap: Failed to load map from "<<savedir
- <<", exception: "<<e.what()<<std::endl;
- infostream<<"Please remove the map or fix it."<<std::endl;
- infostream<<"WARNING: Map saving will be disabled."<<std::endl;
- }
- infostream<<"Initializing new map."<<std::endl;
- // Create zero sector
- emergeSector(v2s16(0,0));
- // Initially write whole map
- save(MOD_STATE_CLEAN);
- }
- ServerMap::~ServerMap()
- {
- verbosestream<<__FUNCTION_NAME<<std::endl;
- try
- {
- if(m_map_saving_enabled)
- {
- // Save only changed parts
- save(MOD_STATE_WRITE_AT_UNLOAD);
- infostream<<"ServerMap: Saved map to "<<m_savedir<<std::endl;
- }
- else
- {
- infostream<<"ServerMap: Map not saved"<<std::endl;
- }
- }
- catch(std::exception &e)
- {
- infostream<<"ServerMap: Failed to save map to "<<m_savedir
- <<", exception: "<<e.what()<<std::endl;
- }
- /*
- Close database if it was opened
- */
- delete dbase;
- #if 0
- /*
- Free all MapChunks
- */
- core::map<v2s16, MapChunk*>::Iterator i = m_chunks.getIterator();
- for(; i.atEnd() == false; i++)
- {
- MapChunk *chunk = i.getNode()->getValue();
- delete chunk;
- }
- #endif
- }
- u64 ServerMap::getSeed()
- {
- return m_emerge->params.seed;
- }
- s16 ServerMap::getWaterLevel()
- {
- return m_emerge->params.water_level;
- }
- bool ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos)
- {
- bool enable_mapgen_debug_info = m_emerge->mapgen_debug_info;
- EMERGE_DBG_OUT("initBlockMake(): " PP(blockpos) " - " PP(blockpos));
- s16 chunksize = m_emerge->params.chunksize;
- s16 coffset = -chunksize / 2;
- v3s16 chunk_offset(coffset, coffset, coffset);
- v3s16 blockpos_div = getContainerPos(blockpos - chunk_offset, chunksize);
- v3s16 blockpos_min = blockpos_div * chunksize;
- v3s16 blockpos_max = blockpos_div * chunksize + v3s16(1,1,1)*(chunksize-1);
- blockpos_min += chunk_offset;
- blockpos_max += chunk_offset;
- v3s16 extra_borders(1,1,1);
- // Do nothing if not inside limits (+-1 because of neighbors)
- if(blockpos_over_limit(blockpos_min - extra_borders) ||
- blockpos_over_limit(blockpos_max + extra_borders))
- return false;
- data->seed = m_emerge->params.seed;
- data->blockpos_min = blockpos_min;
- data->blockpos_max = blockpos_max;
- data->blockpos_requested = blockpos;
- data->nodedef = m_gamedef->ndef();
- /*
- Create the whole area of this and the neighboring blocks
- */
- {
- //TimeTaker timer("initBlockMake() create area");
- for(s16 x=blockpos_min.X-extra_borders.X;
- x<=blockpos_max.X+extra_borders.X; x++)
- for(s16 z=blockpos_min.Z-extra_borders.Z;
- z<=blockpos_max.Z+extra_borders.Z; z++)
- {
- v2s16 sectorpos(x, z);
- // Sector metadata is loaded from disk if not already loaded.
- ServerMapSector *sector = createSector(sectorpos);
- assert(sector);
- (void) sector;
- for(s16 y=blockpos_min.Y-extra_borders.Y;
- y<=blockpos_max.Y+extra_borders.Y; y++)
- {
- v3s16 p(x,y,z);
- //MapBlock *block = createBlock(p);
- // 1) get from memory, 2) load from disk
- MapBlock *block = emergeBlock(p, false);
- // 3) create a blank one
- if(block == NULL)
- {
- block = createBlock(p);
- /*
- Block gets sunlight if this is true.
- Refer to the map generator heuristics.
- */
- bool ug = m_emerge->isBlockUnderground(p);
- block->setIsUnderground(ug);
- }
- // Lighting will not be valid after make_chunk is called
- block->setLightingExpired(true);
- // Lighting will be calculated
- //block->setLightingExpired(false);
- }
- }
- }
- /*
- Now we have a big empty area.
- Make a ManualMapVoxelManipulator that contains this and the
- neighboring blocks
- */
- // The area that contains this block and it's neighbors
- v3s16 bigarea_blocks_min = blockpos_min - extra_borders;
- v3s16 bigarea_blocks_max = blockpos_max + extra_borders;
- data->vmanip = new ManualMapVoxelManipulator(this);
- //data->vmanip->setMap(this);
- // Add the area
- {
- //TimeTaker timer("initBlockMake() initialEmerge");
- data->vmanip->initialEmerge(bigarea_blocks_min, bigarea_blocks_max, false);
- }
- // Ensure none of the blocks to be generated were marked as containing CONTENT_IGNORE
- /* for (s16 z = blockpos_min.Z; z <= blockpos_max.Z; z++) {
- for (s16 y = blockpos_min.Y; y <= blockpos_max.Y; y++) {
- for (s16 x = blockpos_min.X; x <= blockpos_max.X; x++) {
- core::map<v3s16, u8>::Node *n;
- n = data->vmanip->m_loaded_blocks.find(v3s16(x, y, z));
- if (n == NULL)
- continue;
- u8 flags = n->getValue();
- flags &= ~VMANIP_BLOCK_CONTAINS_CIGNORE;
- n->setValue(flags);
- }
- }
- }*/
- // Data is ready now.
- return true;
- }
- void ServerMap::finishBlockMake(BlockMakeData *data,
- std::map<v3s16, MapBlock*> &changed_blocks)
- {
- v3s16 blockpos_min = data->blockpos_min;
- v3s16 blockpos_max = data->blockpos_max;
- v3s16 blockpos_requested = data->blockpos_requested;
- /*infostream<<"finishBlockMake(): ("<<blockpos_requested.X<<","
- <<blockpos_requested.Y<<","
- <<blockpos_requested.Z<<")"<<std::endl;*/
- v3s16 extra_borders(1,1,1);
- bool enable_mapgen_debug_info = m_emerge->mapgen_debug_info;
- /*infostream<<"Resulting vmanip:"<<std::endl;
- data->vmanip.print(infostream);*/
- // Make sure affected blocks are loaded
- for(s16 x=blockpos_min.X-extra_borders.X;
- x<=blockpos_max.X+extra_borders.X; x++)
- for(s16 z=blockpos_min.Z-extra_borders.Z;
- z<=blockpos_max.Z+extra_borders.Z; z++)
- for(s16 y=blockpos_min.Y-extra_borders.Y;
- y<=blockpos_max.Y+extra_borders.Y; y++)
- {
- v3s16 p(x, y, z);
- // Load from disk if not already in memory
- emergeBlock(p, false);
- }
- /*
- Blit generated stuff to map
- NOTE: blitBackAll adds nearly everything to changed_blocks
- */
- {
- // 70ms @cs=8
- //TimeTaker timer("finishBlockMake() blitBackAll");
- data->vmanip->blitBackAll(&changed_blocks);
- }
- EMERGE_DBG_OUT("finishBlockMake: changed_blocks.size()=" << changed_blocks.size());
- /*
- Copy transforming liquid information
- */
- while(data->transforming_liquid.size() > 0)
- {
- v3s16 p = data->transforming_liquid.pop_front();
- m_transforming_liquid.push_back(p);
- }
- /*
- Do stuff in central blocks
- */
- /*
- Update lighting
- */
- {
- #if 0
- TimeTaker t("finishBlockMake lighting update");
- core::map<v3s16, MapBlock*> lighting_update_blocks;
- // Center blocks
- for(s16 x=blockpos_min.X-extra_borders.X;
- x<=blockpos_max.X+extra_borders.X; x++)
- for(s16 z=blockpos_min.Z-extra_borders.Z;
- z<=blockpos_max.Z+extra_borders.Z; z++)
- for(s16 y=blockpos_min.Y-extra_borders.Y;
- y<=blockpos_max.Y+extra_borders.Y; y++)
- {
- v3s16 p(x, y, z);
- MapBlock *block = getBlockNoCreateNoEx(p);
- assert(block);
- lighting_update_blocks.insert(block->getPos(), block);
- }
- updateLighting(lighting_update_blocks, changed_blocks);
- #endif
- /*
- Set lighting to non-expired state in all of them.
- This is cheating, but it is not fast enough if all of them
- would actually be updated.
- */
- for(s16 x=blockpos_min.X-extra_borders.X;
- x<=blockpos_max.X+extra_borders.X; x++)
- for(s16 z=blockpos_min.Z-extra_borders.Z;
- z<=blockpos_max.Z+extra_borders.Z; z++)
- for(s16 y=blockpos_min.Y-extra_borders.Y;
- y<=blockpos_max.Y+extra_borders.Y; y++)
- {
- v3s16 p(x, y, z);
- MapBlock * block = getBlockNoCreateNoEx(p);
- if (block != NULL)
- block->setLightingExpired(false);
- }
- #if 0
- if(enable_mapgen_debug_info == false)
- t.stop(true); // Hide output
- #endif
- }
- /*
- Go through changed blocks
- */
- for(std::map<v3s16, MapBlock*>::iterator i = changed_blocks.begin();
- i != changed_blocks.end(); ++i)
- {
- MapBlock *block = i->second;
- if (!block)
- continue;
- /*
- Update day/night difference cache of the MapBlocks
- */
- block->expireDayNightDiff();
- /*
- Set block as modified
- */
- block->raiseModified(MOD_STATE_WRITE_NEEDED,
- "finishBlockMake expireDayNightDiff");
- }
- /*
- Set central blocks as generated
- */
- for(s16 x=blockpos_min.X; x<=blockpos_max.X; x++)
- for(s16 z=blockpos_min.Z; z<=blockpos_max.Z; z++)
- for(s16 y=blockpos_min.Y; y<=blockpos_max.Y; y++)
- {
- v3s16 p(x, y, z);
- MapBlock *block = getBlockNoCreateNoEx(p);
- if (!block)
- continue;
- block->setGenerated(true);
- }
- /*
- Save changed parts of map
- NOTE: Will be saved later.
- */
- //save(MOD_STATE_WRITE_AT_UNLOAD);
- /*infostream<<"finishBlockMake() done for ("<<blockpos_requested.X
- <<","<<blockpos_requested.Y<<","
- <<blockpos_requested.Z<<")"<<std::endl;*/
- #if 0
- if(enable_mapgen_debug_info)
- {
- /*
- Analyze resulting blocks
- */
- /*for(s16 x=blockpos_min.X-1; x<=blockpos_max.X+1; x++)
- for(s16 z=blockpos_min.Z-1; z<=blockpos_max.Z+1; z++)
- for(s16 y=blockpos_min.Y-1; y<=blockpos_max.Y+1; y++)*/
- for(s16 x=blockpos_min.X-0; x<=blockpos_max.X+0; x++)
- for(s16 z=blockpos_min.Z-0; z<=blockpos_max.Z+0; z++)
- for(s16 y=blockpos_min.Y-0; y<=blockpos_max.Y+0; y++)
- {
- v3s16 p = v3s16(x,y,z);
- MapBlock *block = getBlockNoCreateNoEx(p);
- char spos[20];
- snprintf(spos, 20, "(%2d,%2d,%2d)", x, y, z);
- infostream<<"Generated "<<spos<<": "
- <<analyze_block(block)<<std::endl;
- }
- }
- #endif
- getBlockNoCreateNoEx(blockpos_requested);
- }
- ServerMapSector * ServerMap::createSector(v2s16 p2d)
- {
- DSTACKF("%s: p2d=(%d,%d)",
- __FUNCTION_NAME,
- p2d.X, p2d.Y);
- /*
- Check if it exists already in memory
- */
- ServerMapSector *sector = (ServerMapSector*)getSectorNoGenerateNoEx(p2d);
- if(sector != NULL)
- return sector;
- /*
- Try to load it from disk (with blocks)
- */
- //if(loadSectorFull(p2d) == true)
- /*
- Try to load metadata from disk
- */
- #if 0
- if(loadSectorMeta(p2d) == true)
- {
- ServerMapSector *sector = (ServerMapSector*)getSectorNoGenerateNoEx(p2d);
- if(sector == NULL)
- {
- infostream<<"ServerMap::createSector(): loadSectorFull didn't make a sector"<<std::endl;
- throw InvalidPositionException("");
- }
- return sector;
- }
- #endif
- /*
- Do not create over-limit
- */
- if(p2d.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p2d.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p2d.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p2d.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
- throw InvalidPositionException("createSector(): pos. over limit");
- /*
- Generate blank sector
- */
- sector = new ServerMapSector(this, p2d, m_gamedef);
- // Sector position on map in nodes
- //v2s16 nodepos2d = p2d * MAP_BLOCKSIZE;
- /*
- Insert to container
- */
- m_sectors[p2d] = sector;
- return sector;
- }
- #if 0
- /*
- This is a quick-hand function for calling makeBlock().
- */
- MapBlock * ServerMap::generateBlock(
- v3s16 p,
- std::map<v3s16, MapBlock*> &modified_blocks
- )
- {
- DSTACKF("%s: p=(%d,%d,%d)", __FUNCTION_NAME, p.X, p.Y, p.Z);
- /*infostream<<"generateBlock(): "
- <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
- <<std::endl;*/
- bool enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
- TimeTaker timer("generateBlock");
- //MapBlock *block = original_dummy;
- v2s16 p2d(p.X, p.Z);
- v2s16 p2d_nodes = p2d * MAP_BLOCKSIZE;
- /*
- Do not generate over-limit
- */
- if(blockpos_over_limit(p))
- {
- infostream<<__FUNCTION_NAME<<": Block position over limit"<<std::endl;
- throw InvalidPositionException("generateBlock(): pos. over limit");
- }
- /*
- Create block make data
- */
- BlockMakeData data;
- initBlockMake(&data, p);
- /*
- Generate block
- */
- {
- TimeTaker t("mapgen::make_block()");
- mapgen->makeChunk(&data);
- //mapgen::make_block(&data);
- if(enable_mapgen_debug_info == false)
- t.stop(true); // Hide output
- }
- /*
- Blit data back on map, update lighting, add mobs and whatever this does
- */
- finishBlockMake(&data, modified_blocks);
- /*
- Get central block
- */
- MapBlock *block = getBlockNoCreateNoEx(p);
- #if 0
- /*
- Check result
- */
- if(block)
- {
- bool erroneus_content = false;
- for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
- for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
- for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
- {
- v3s16 p(x0,y0,z0);
- MapNode n = block->getNode(p);
- if(n.getContent() == CONTENT_IGNORE)
- {
- infostream<<"CONTENT_IGNORE at "
- <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
- <<std::endl;
- erroneus_content = true;
- assert(0);
- }
- }
- if(erroneus_content)
- {
- assert(0);
- }
- }
- #endif
- #if 0
- /*
- Generate a completely empty block
- */
- if(block)
- {
- for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
- for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
- {
- for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
- {
- MapNode n;
- n.setContent(CONTENT_AIR);
- block->setNode(v3s16(x0,y0,z0), n);
- }
- }
- }
- #endif
- if(enable_mapgen_debug_info == false)
- timer.stop(true); // Hide output
- return block;
- }
- #endif
- MapBlock * ServerMap::createBlock(v3s16 p)
- {
- DSTACKF("%s: p=(%d,%d,%d)",
- __FUNCTION_NAME, p.X, p.Y, p.Z);
- /*
- Do not create over-limit
- */
- if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
- throw InvalidPositionException("createBlock(): pos. over limit");
- v2s16 p2d(p.X, p.Z);
- s16 block_y = p.Y;
- /*
- This will create or load a sector if not found in memory.
- If block exists on disk, it will be loaded.
- NOTE: On old save formats, this will be slow, as it generates
- lighting on blocks for them.
- */
- ServerMapSector *sector;
- try{
- sector = (ServerMapSector*)createSector(p2d);
- assert(sector->getId() == MAPSECTOR_SERVER);
- }
- catch(InvalidPositionException &e)
- {
- infostream<<"createBlock: createSector() failed"<<std::endl;
- throw e;
- }
- /*
- NOTE: This should not be done, or at least the exception
- should not be passed on as std::exception, because it
- won't be catched at all.
- */
- /*catch(std::exception &e)
- {
- infostream<<"createBlock: createSector() failed: "
- <<e.what()<<std::endl;
- throw e;
- }*/
- /*
- Try to get a block from the sector
- */
- MapBlock *block = sector->getBlockNoCreateNoEx(block_y);
- if(block)
- {
- if(block->isDummy())
- block->unDummify();
- return block;
- }
- // Create blank
- block = sector->createBlankBlock(block_y);
- return block;
- }
- MapBlock * ServerMap::emergeBlock(v3s16 p, bool create_blank)
- {
- DSTACKF("%s: p=(%d,%d,%d), create_blank=%d",
- __FUNCTION_NAME,
- p.X, p.Y, p.Z, create_blank);
- {
- MapBlock *block = getBlockNoCreateNoEx(p);
- if(block && block->isDummy() == false)
- return block;
- }
- {
- MapBlock *block = loadBlock(p);
- if(block)
- return block;
- }
- if (create_blank) {
- ServerMapSector *sector = createSector(v2s16(p.X, p.Z));
- MapBlock *block = sector->createBlankBlock(p.Y);
- return block;
- }
- #if 0
- if(allow_generate)
- {
- std::map<v3s16, MapBlock*> modified_blocks;
- MapBlock *block = generateBlock(p, modified_blocks);
- if(block)
- {
- MapEditEvent event;
- event.type = MEET_OTHER;
- event.p = p;
- // Copy modified_blocks to event
- for(std::map<v3s16, MapBlock*>::iterator
- i = modified_blocks.begin();
- i != modified_blocks.end(); ++i)
- {
- event.modified_blocks.insert(i->first);
- }
- // Queue event
- dispatchEvent(&event);
- return block;
- }
- }
- #endif
- return NULL;
- }
- MapBlock *ServerMap::getBlockOrEmerge(v3s16 p3d)
- {
- MapBlock *block = getBlockNoCreateNoEx(p3d);
- if (block == NULL)
- m_emerge->enqueueBlockEmerge(PEER_ID_INEXISTENT, p3d, false);
- return block;
- }
- void ServerMap::prepareBlock(MapBlock *block) {
- }
- // N.B. This requires no synchronization, since data will not be modified unless
- // the VoxelManipulator being updated belongs to the same thread.
- void ServerMap::updateVManip(v3s16 pos)
- {
- Mapgen *mg = m_emerge->getCurrentMapgen();
- if (!mg)
- return;
- ManualMapVoxelManipulator *vm = mg->vm;
- if (!vm)
- return;
- if (!vm->m_area.contains(pos))
- return;
- s32 idx = vm->m_area.index(pos);
- vm->m_data[idx] = getNodeNoEx(pos);
- vm->m_flags[idx] &= ~VOXELFLAG_NO_DATA;
- vm->m_is_dirty = true;
- }
- s16 ServerMap::findGroundLevel(v2s16 p2d)
- {
- #if 0
- /*
- Uh, just do something random...
- */
- // Find existing map from top to down
- s16 max=63;
- s16 min=-64;
- v3s16 p(p2d.X, max, p2d.Y);
- for(; p.Y>min; p.Y--)
- {
- MapNode n = getNodeNoEx(p);
- if(n.getContent() != CONTENT_IGNORE)
- break;
- }
- if(p.Y == min)
- goto plan_b;
- // If this node is not air, go to plan b
- if(getNodeNoEx(p).getContent() != CONTENT_AIR)
- goto plan_b;
- // Search existing walkable and return it
- for(; p.Y>min; p.Y--)
- {
- MapNode n = getNodeNoEx(p);
- if(content_walkable(n.d) && n.getContent() != CONTENT_IGNORE)
- return p.Y;
- }
- // Move to plan b
- plan_b:
- #endif
- /*
- Determine from map generator noise functions
- */
- s16 level = m_emerge->getGroundLevelAtPoint(p2d);
- return level;
- //double level = base_rock_level_2d(m_seed, p2d) + AVERAGE_MUD_AMOUNT;
- //return (s16)level;
- }
- bool ServerMap::loadFromFolders() {
- if(!dbase->Initialized() && !fs::PathExists(m_savedir + DIR_DELIM + "map.sqlite")) // ?
- return true;
- return false;
- }
- void ServerMap::createDirs(std::string path)
- {
- if(fs::CreateAllDirs(path) == false)
- {
- m_dout<<DTIME<<"ServerMap: Failed to create directory "
- <<"\""<<path<<"\""<<std::endl;
- throw BaseException("ServerMap failed to create directory");
- }
- }
- std::string ServerMap::getSectorDir(v2s16 pos, int layout)
- {
- char cc[9];
- switch(layout)
- {
- case 1:
- snprintf(cc, 9, "%.4x%.4x",
- (unsigned int)pos.X&0xffff,
- (unsigned int)pos.Y&0xffff);
- return m_savedir + DIR_DELIM + "sectors" + DIR_DELIM + cc;
- case 2:
- snprintf(cc, 9, "%.3x" DIR_DELIM "%.3x",
- (unsigned int)pos.X&0xfff,
- (unsigned int)pos.Y&0xfff);
- return m_savedir + DIR_DELIM + "sectors2" + DIR_DELIM + cc;
- default:
- assert(false);
- return "";
- }
- }
- v2s16 ServerMap::getSectorPos(std::string dirname)
- {
- unsigned int x = 0, y = 0;
- int r;
- std::string component;
- fs::RemoveLastPathComponent(dirname, &component, 1);
- if(component.size() == 8)
- {
- // Old layout
- r = sscanf(component.c_str(), "%4x%4x", &x, &y);
- }
- else if(component.size() == 3)
- {
- // New layout
- fs::RemoveLastPathComponent(dirname, &component, 2);
- r = sscanf(component.c_str(), "%3x" DIR_DELIM "%3x", &x, &y);
- // Sign-extend the 12 bit values up to 16 bits...
- if(x&0x800) x|=0xF000;
- if(y&0x800) y|=0xF000;
- }
- else
- {
- assert(false);
- }
- assert(r == 2);
- v2s16 pos((s16)x, (s16)y);
- return pos;
- }
- v3s16 ServerMap::getBlockPos(std::string sectordir, std::string blockfile)
- {
- v2s16 p2d = getSectorPos(sectordir);
- if(blockfile.size() != 4){
- throw InvalidFilenameException("Invalid block filename");
- }
- unsigned int y;
- int r = sscanf(blockfile.c_str(), "%4x", &y);
- if(r != 1)
- throw InvalidFilenameException("Invalid block filename");
- return v3s16(p2d.X, y, p2d.Y);
- }
- std::string ServerMap::getBlockFilename(v3s16 p)
- {
- char cc[5];
- snprintf(cc, 5, "%.4x", (unsigned int)p.Y&0xffff);
- return cc;
- }
- void ServerMap::save(ModifiedState save_level)
- {
- DSTACK(__FUNCTION_NAME);
- if(m_map_saving_enabled == false)
- {
- infostream<<"WARNING: Not saving map, saving disabled."<<std::endl;
- return;
- }
- if(save_level == MOD_STATE_CLEAN)
- infostream<<"ServerMap: Saving whole map, this can take time."
- <<std::endl;
- if(m_map_metadata_changed || save_level == MOD_STATE_CLEAN)
- {
- saveMapMeta();
- }
- // Profile modified reasons
- Profiler modprofiler;
- u32 sector_meta_count = 0;
- u32 block_count = 0;
- u32 block_count_all = 0; // Number of blocks in memory
- // Don't do anything with sqlite unless something is really saved
- bool save_started = false;
- for(std::map<v2s16, MapSector*>::iterator i = m_sectors.begin();
- i != m_sectors.end(); ++i)
- {
- ServerMapSector *sector = (ServerMapSector*)i->second;
- assert(sector->getId() == MAPSECTOR_SERVER);
- if(sector->differs_from_disk || save_level == MOD_STATE_CLEAN)
- {
- saveSectorMeta(sector);
- sector_meta_count++;
- }
- std::list<MapBlock*> blocks;
- sector->getBlocks(blocks);
- for(std::list<MapBlock*>::iterator j = blocks.begin();
- j != blocks.end(); ++j)
- {
- MapBlock *block = *j;
- block_count_all++;
- if(block->getModified() >= (u32)save_level)
- {
- // Lazy beginSave()
- if(!save_started){
- beginSave();
- save_started = true;
- }
- modprofiler.add(block->getModifiedReason(), 1);
- saveBlock(block);
- block_count++;
- /*infostream<<"ServerMap: Written block ("
- <<block->getPos().X<<","
- <<block->getPos().Y<<","
- <<block->getPos().Z<<")"
- <<std::endl;*/
- }
- }
- }
- if(save_started)
- endSave();
- /*
- Only print if something happened or saved whole map
- */
- if(save_level == MOD_STATE_CLEAN || sector_meta_count != 0
- || block_count != 0)
- {
- infostream<<"ServerMap: Written: "
- <<sector_meta_count<<" sector metadata files, "
- <<block_count<<" block files"
- <<", "<<block_count_all<<" blocks in memory."
- <<std::endl;
- PrintInfo(infostream); // ServerMap/ClientMap:
- infostream<<"Blocks modified by: "<<std::endl;
- modprofiler.print(infostream);
- }
- }
- void ServerMap::listAllLoadableBlocks(std::list<v3s16> &dst)
- {
- if(loadFromFolders()){
- errorstream<<"Map::listAllLoadableBlocks(): Result will be missing "
- <<"all blocks that are stored in flat files"<<std::endl;
- }
- dbase->listAllLoadableBlocks(dst);
- }
- void ServerMap::listAllLoadedBlocks(std::list<v3s16> &dst)
- {
- for(std::map<v2s16, MapSector*>::iterator si = m_sectors.begin();
- si != m_sectors.end(); ++si)
- {
- MapSector *sector = si->second;
- std::list<MapBlock*> blocks;
- sector->getBlocks(blocks);
- for(std::list<MapBlock*>::iterator i = blocks.begin();
- i != blocks.end(); ++i)
- {
- MapBlock *block = (*i);
- v3s16 p = block->getPos();
- dst.push_back(p);
- }
- }
- }
- void ServerMap::saveMapMeta()
- {
- DSTACK(__FUNCTION_NAME);
- /*infostream<<"ServerMap::saveMapMeta(): "
- <<"seed="<<m_seed
- <<std::endl;*/
- createDirs(m_savedir);
- std::string fullpath = m_savedir + DIR_DELIM + "map_meta.txt";
- std::ostringstream ss(std::ios_base::binary);
- Settings params;
- m_emerge->saveParamsToSettings(¶ms);
- params.writeLines(ss);
- ss<<"[end_of_params]\n";
- if(!fs::safeWriteToFile(fullpath, ss.str()))
- {
- infostream<<"ERROR: ServerMap::saveMapMeta(): "
- <<"could not write "<<fullpath<<std::endl;
- throw FileNotGoodException("Cannot save chunk metadata");
- }
- m_map_metadata_changed = false;
- }
- void ServerMap::loadMapMeta()
- {
- DSTACK(__FUNCTION_NAME);
- /*infostream<<"ServerMap::loadMapMeta(): Loading map metadata"
- <<std::endl;*/
- std::string fullpath = m_savedir + DIR_DELIM + "map_meta.txt";
- std::ifstream is(fullpath.c_str(), std::ios_base::binary);
- if(is.good() == false)
- {
- infostream<<"ERROR: ServerMap::loadMapMeta(): "
- <<"could not open"<<fullpath<<std::endl;
- throw FileNotGoodException("Cannot open map metadata");
- }
- Settings params;
- for(;;)
- {
- if(is.eof())
- throw SerializationError
- ("ServerMap::loadMapMeta(): [end_of_params] not found");
- std::string line;
- std::getline(is, line);
- std::string trimmedline = trim(line);
- if(trimmedline == "[end_of_params]")
- break;
- params.parseConfigLine(line);
- }
- m_emerge->loadParamsFromSettings(¶ms);
- verbosestream<<"ServerMap::loadMapMeta(): seed="
- << m_emerge->params.seed<<std::endl;
- }
- void ServerMap::saveSectorMeta(ServerMapSector *sector)
- {
- DSTACK(__FUNCTION_NAME);
- // Format used for writing
- u8 version = SER_FMT_VER_HIGHEST_WRITE;
- // Get destination
- v2s16 pos = sector->getPos();
- std::string dir = getSectorDir(pos);
- createDirs(dir);
- std::string fullpath = dir + DIR_DELIM + "meta";
- std::ostringstream ss(std::ios_base::binary);
- sector->serialize(ss, version);
- if(!fs::safeWriteToFile(fullpath, ss.str()))
- throw FileNotGoodException("Cannot write sector metafile");
- sector->differs_from_disk = false;
- }
- MapSector* ServerMap::loadSectorMeta(std::string sectordir, bool save_after_load)
- {
- DSTACK(__FUNCTION_NAME);
- // Get destination
- v2s16 p2d = getSectorPos(sectordir);
- ServerMapSector *sector = NULL;
- std::string fullpath = sectordir + DIR_DELIM + "meta";
- std::ifstream is(fullpath.c_str(), std::ios_base::binary);
- if(is.good() == false)
- {
- // If the directory exists anyway, it probably is in some old
- // format. Just go ahead and create the sector.
- if(fs::PathExists(sectordir))
- {
- /*infostream<<"ServerMap::loadSectorMeta(): Sector metafile "
- <<fullpath<<" doesn't exist but directory does."
- <<" Continuing with a sector with no metadata."
- <<std::endl;*/
- sector = new ServerMapSector(this, p2d, m_gamedef);
- m_sectors[p2d] = sector;
- }
- else
- {
- throw FileNotGoodException("Cannot open sector metafile");
- }
- }
- else
- {
- sector = ServerMapSector::deSerialize
- (is, this, p2d, m_sectors, m_gamedef);
- if(save_after_load)
- saveSectorMeta(sector);
- }
- sector->differs_from_disk = false;
- return sector;
- }
- bool ServerMap::loadSectorMeta(v2s16 p2d)
- {
- DSTACK(__FUNCTION_NAME);
- MapSector *sector = NULL;
- // The directory layout we're going to load from.
- // 1 - original sectors/xxxxzzzz/
- // 2 - new sectors2/xxx/zzz/
- // If we load from anything but the latest structure, we will
- // immediately save to the new one, and remove the old.
- int loadlayout = 1;
- std::string sectordir1 = getSectorDir(p2d, 1);
- std::string sectordir;
- if(fs::PathExists(sectordir1))
- {
- sectordir = sectordir1;
- }
- else
- {
- loadlayout = 2;
- sectordir = getSectorDir(p2d, 2);
- }
- try{
- sector = loadSectorMeta(sectordir, loadlayout != 2);
- }
- catch(InvalidFilenameException &e)
- {
- return false;
- }
- catch(FileNotGoodException &e)
- {
- return false;
- }
- catch(std::exception &e)
- {
- return false;
- }
- return true;
- }
- #if 0
- bool ServerMap::loadSectorFull(v2s16 p2d)
- {
- DSTACK(__FUNCTION_NAME);
- MapSector *sector = NULL;
- // The directory layout we're going to load from.
- // 1 - original sectors/xxxxzzzz/
- // 2 - new sectors2/xxx/zzz/
- // If we load from anything but the latest structure, we will
- // immediately save to the new one, and remove the old.
- int loadlayout = 1;
- std::string sectordir1 = getSectorDir(p2d, 1);
- std::string sectordir;
- if(fs::PathExists(sectordir1))
- {
- sectordir = sectordir1;
- }
- else
- {
- loadlayout = 2;
- sectordir = getSectorDir(p2d, 2);
- }
- try{
- sector = loadSectorMeta(sectordir, loadlayout != 2);
- }
- catch(InvalidFilenameException &e)
- {
- return false;
- }
- catch(FileNotGoodException &e)
- {
- return false;
- }
- catch(std::exception &e)
- {
- return false;
- }
- /*
- Load blocks
- */
- std::vector<fs::DirListNode> list2 = fs::GetDirListing
- (sectordir);
- std::vector<fs::DirListNode>::iterator i2;
- for(i2=list2.begin(); i2!=list2.end(); i2++)
- {
- // We want files
- if(i2->dir)
- continue;
- try{
- loadBlock(sectordir, i2->name, sector, loadlayout != 2);
- }
- catch(InvalidFilenameException &e)
- {
- // This catches unknown crap in directory
- }
- }
- if(loadlayout != 2)
- {
- infostream<<"Sector converted to new layout - deleting "<<
- sectordir1<<std::endl;
- fs::RecursiveDelete(sectordir1);
- }
- return true;
- }
- #endif
- void ServerMap::beginSave()
- {
- dbase->beginSave();
- }
- void ServerMap::endSave()
- {
- dbase->endSave();
- }
- bool ServerMap::saveBlock(MapBlock *block)
- {
- return saveBlock(block, dbase);
- }
- bool ServerMap::saveBlock(MapBlock *block, Database *db)
- {
- v3s16 p3d = block->getPos();
- // Dummy blocks are not written
- if (block->isDummy()) {
- errorstream << "WARNING: saveBlock: Not writing dummy block "
- << PP(p3d) << std::endl;
- return true;
- }
- // Format used for writing
- u8 version = SER_FMT_VER_HIGHEST_WRITE;
- /*
- [0] u8 serialization version
- [1] data
- */
- std::ostringstream o(std::ios_base::binary);
- o.write((char*) &version, 1);
- block->serialize(o, version, true);
- std::string data = o.str();
- bool ret = db->saveBlock(p3d, data);
- if(ret) {
- // We just wrote it to the disk so clear modified flag
- block->resetModified();
- }
- return ret;
- }
- void ServerMap::loadBlock(std::string sectordir, std::string blockfile,
- MapSector *sector, bool save_after_load)
- {
- DSTACK(__FUNCTION_NAME);
- std::string fullpath = sectordir+DIR_DELIM+blockfile;
- try {
- std::ifstream is(fullpath.c_str(), std::ios_base::binary);
- if(is.good() == false)
- throw FileNotGoodException("Cannot open block file");
- v3s16 p3d = getBlockPos(sectordir, blockfile);
- v2s16 p2d(p3d.X, p3d.Z);
- assert(sector->getPos() == p2d);
- u8 version = SER_FMT_VER_INVALID;
- is.read((char*)&version, 1);
- if(is.fail())
- throw SerializationError("ServerMap::loadBlock(): Failed"
- " to read MapBlock version");
- /*u32 block_size = MapBlock::serializedLength(version);
- SharedBuffer<u8> data(block_size);
- is.read((char*)*data, block_size);*/
- // This will always return a sector because we're the server
- //MapSector *sector = emergeSector(p2d);
- MapBlock *block = NULL;
- bool created_new = false;
- block = sector->getBlockNoCreateNoEx(p3d.Y);
- if(block == NULL)
- {
- block = sector->createBlankBlockNoInsert(p3d.Y);
- created_new = true;
- }
- // Read basic data
- block->deSerialize(is, version, true);
- // If it's a new block, insert it to the map
- if(created_new)
- sector->insertBlock(block);
- /*
- Save blocks loaded in old format in new format
- */
- if(version < SER_FMT_VER_HIGHEST_WRITE || save_after_load)
- {
- saveBlock(block);
- // Should be in database now, so delete the old file
- fs::RecursiveDelete(fullpath);
- }
- // We just loaded it from the disk, so it's up-to-date.
- block->resetModified();
- }
- catch(SerializationError &e)
- {
- infostream<<"WARNING: Invalid block data on disk "
- <<"fullpath="<<fullpath
- <<" (SerializationError). "
- <<"what()="<<e.what()
- <<std::endl;
- // Ignoring. A new one will be generated.
- assert(0);
- // TODO: Backup file; name is in fullpath.
- }
- }
- void ServerMap::loadBlock(std::string *blob, v3s16 p3d, MapSector *sector, bool save_after_load)
- {
- DSTACK(__FUNCTION_NAME);
- try {
- std::istringstream is(*blob, std::ios_base::binary);
- u8 version = SER_FMT_VER_INVALID;
- is.read((char*)&version, 1);
- if(is.fail())
- throw SerializationError("ServerMap::loadBlock(): Failed"
- " to read MapBlock version");
- /*u32 block_size = MapBlock::serializedLength(version);
- SharedBuffer<u8> data(block_size);
- is.read((char*)*data, block_size);*/
- // This will always return a sector because we're the server
- //MapSector *sector = emergeSector(p2d);
- MapBlock *block = NULL;
- bool created_new = false;
- block = sector->getBlockNoCreateNoEx(p3d.Y);
- if(block == NULL)
- {
- block = sector->createBlankBlockNoInsert(p3d.Y);
- created_new = true;
- }
- // Read basic data
- block->deSerialize(is, version, true);
- // If it's a new block, insert it to the map
- if(created_new)
- sector->insertBlock(block);
- /*
- Save blocks loaded in old format in new format
- */
- //if(version < SER_FMT_VER_HIGHEST_READ || save_after_load)
- // Only save if asked to; no need to update version
- if(save_after_load)
- saveBlock(block);
- // We just loaded it from, so it's up-to-date.
- block->resetModified();
- }
- catch(SerializationError &e)
- {
- errorstream<<"Invalid block data in database"
- <<" ("<<p3d.X<<","<<p3d.Y<<","<<p3d.Z<<")"
- <<" (SerializationError): "<<e.what()<<std::endl;
- // TODO: Block should be marked as invalid in memory so that it is
- // not touched but the game can run
- if(g_settings->getBool("ignore_world_load_errors")){
- errorstream<<"Ignoring block load error. Duck and cover! "
- <<"(ignore_world_load_errors)"<<std::endl;
- } else {
- throw SerializationError("Invalid block data in database");
- //assert(0);
- }
- }
- }
- MapBlock* ServerMap::loadBlock(v3s16 blockpos)
- {
- DSTACK(__FUNCTION_NAME);
- v2s16 p2d(blockpos.X, blockpos.Z);
- std::string ret;
- ret = dbase->loadBlock(blockpos);
- if (ret != "") {
- loadBlock(&ret, blockpos, createSector(p2d), false);
- return getBlockNoCreateNoEx(blockpos);
- }
- // Not found in database, try the files
- // The directory layout we're going to load from.
- // 1 - original sectors/xxxxzzzz/
- // 2 - new sectors2/xxx/zzz/
- // If we load from anything but the latest structure, we will
- // immediately save to the new one, and remove the old.
- int loadlayout = 1;
- std::string sectordir1 = getSectorDir(p2d, 1);
- std::string sectordir;
- if(fs::PathExists(sectordir1))
- {
- sectordir = sectordir1;
- }
- else
- {
- loadlayout = 2;
- sectordir = getSectorDir(p2d, 2);
- }
- /*
- Make sure sector is loaded
- */
- MapSector *sector = getSectorNoGenerateNoEx(p2d);
- if(sector == NULL)
- {
- try{
- sector = loadSectorMeta(sectordir, loadlayout != 2);
- }
- catch(InvalidFilenameException &e)
- {
- return NULL;
- }
- catch(FileNotGoodException &e)
- {
- return NULL;
- }
- catch(std::exception &e)
- {
- return NULL;
- }
- }
- /*
- Make sure file exists
- */
- std::string blockfilename = getBlockFilename(blockpos);
- if(fs::PathExists(sectordir+DIR_DELIM+blockfilename) == false)
- return NULL;
- /*
- Load block and save it to the database
- */
- loadBlock(sectordir, blockfilename, sector, true);
- return getBlockNoCreateNoEx(blockpos);
- }
- void ServerMap::PrintInfo(std::ostream &out)
- {
- out<<"ServerMap: ";
- }
- ManualMapVoxelManipulator::ManualMapVoxelManipulator(Map *map):
- VoxelManipulator(),
- m_is_dirty(false),
- m_create_area(false),
- m_map(map)
- {
- }
- ManualMapVoxelManipulator::~ManualMapVoxelManipulator()
- {
- }
- void ManualMapVoxelManipulator::initialEmerge(v3s16 blockpos_min,
- v3s16 blockpos_max, bool load_if_inexistent)
- {
- TimeTaker timer1("initialEmerge", &emerge_time);
- // Units of these are MapBlocks
- v3s16 p_min = blockpos_min;
- v3s16 p_max = blockpos_max;
- VoxelArea block_area_nodes
- (p_min*MAP_BLOCKSIZE, (p_max+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
- u32 size_MB = block_area_nodes.getVolume()*4/1000000;
- if(size_MB >= 1)
- {
- infostream<<"initialEmerge: area: ";
- block_area_nodes.print(infostream);
- infostream<<" ("<<size_MB<<"MB)";
- infostream<<std::endl;
- }
- addArea(block_area_nodes);
- for(s32 z=p_min.Z; z<=p_max.Z; z++)
- for(s32 y=p_min.Y; y<=p_max.Y; y++)
- for(s32 x=p_min.X; x<=p_max.X; x++)
- {
- u8 flags = 0;
- MapBlock *block;
- v3s16 p(x,y,z);
- std::map<v3s16, u8>::iterator n;
- n = m_loaded_blocks.find(p);
- if(n != m_loaded_blocks.end())
- continue;
- bool block_data_inexistent = false;
- try
- {
- TimeTaker timer1("emerge load", &emerge_load_time);
- block = m_map->getBlockNoCreate(p);
- if(block->isDummy())
- block_data_inexistent = true;
- else
- block->copyTo(*this);
- }
- catch(InvalidPositionException &e)
- {
- block_data_inexistent = true;
- }
- if(block_data_inexistent)
- {
- if (load_if_inexistent) {
- ServerMap *svrmap = (ServerMap *)m_map;
- block = svrmap->emergeBlock(p, false);
- if (block == NULL)
- block = svrmap->createBlock(p);
- else
- block->copyTo(*this);
- } else {
- flags |= VMANIP_BLOCK_DATA_INEXIST;
- /*
- Mark area inexistent
- */
- VoxelArea a(p*MAP_BLOCKSIZE, (p+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
- // Fill with VOXELFLAG_NO_DATA
- for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
- for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
- {
- s32 i = m_area.index(a.MinEdge.X,y,z);
- memset(&m_flags[i], VOXELFLAG_NO_DATA, MAP_BLOCKSIZE);
- }
- }
- }
- /*else if (block->getNode(0, 0, 0).getContent() == CONTENT_IGNORE)
- {
- // Mark that block was loaded as blank
- flags |= VMANIP_BLOCK_CONTAINS_CIGNORE;
- }*/
- m_loaded_blocks[p] = flags;
- }
- m_is_dirty = false;
- }
- void ManualMapVoxelManipulator::blitBackAll(
- std::map<v3s16, MapBlock*> *modified_blocks,
- bool overwrite_generated)
- {
- if(m_area.getExtent() == v3s16(0,0,0))
- return;
- /*
- Copy data of all blocks
- */
- for(std::map<v3s16, u8>::iterator
- i = m_loaded_blocks.begin();
- i != m_loaded_blocks.end(); ++i)
- {
- v3s16 p = i->first;
- MapBlock *block = m_map->getBlockNoCreateNoEx(p);
- bool existed = !(i->second & VMANIP_BLOCK_DATA_INEXIST);
- if ((existed == false) || (block == NULL) ||
- (overwrite_generated == false && block->isGenerated() == true))
- continue;
- block->copyFrom(*this);
- if(modified_blocks)
- (*modified_blocks)[p] = block;
- }
- }
- //END
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