--- /dev/null
+/*
+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.
+*/
+
+#include "map.h"
+#include "main.h"
+#include "jmutexautolock.h"
+#include "client.h"
+#include "filesys.h"
+#include "utility.h"
+#include "voxel.h"
+#include "porting.h"
+#include "mineral.h"
+#include "noise.h"
+#include "serverobject.h"
+
+/*
+ Map
+*/
+
+Map::Map(std::ostream &dout):
+ m_dout(dout),
+ m_sector_cache(NULL)
+{
+ /*m_sector_mutex.Init();
+ assert(m_sector_mutex.IsInitialized());*/
+}
+
+Map::~Map()
+{
+ /*
+ Free all MapSectors
+ */
+ core::map<v2s16, MapSector*>::Iterator i = m_sectors.getIterator();
+ for(; i.atEnd() == false; i++)
+ {
+ MapSector *sector = i.getNode()->getValue();
+ delete sector;
+ }
+}
+
+void Map::addEventReceiver(MapEventReceiver *event_receiver)
+{
+ m_event_receivers.insert(event_receiver, false);
+}
+
+void Map::removeEventReceiver(MapEventReceiver *event_receiver)
+{
+ if(m_event_receivers.find(event_receiver) == NULL)
+ return;
+ m_event_receivers.remove(event_receiver);
+}
+
+void Map::dispatchEvent(MapEditEvent *event)
+{
+ for(core::map<MapEventReceiver*, bool>::Iterator
+ i = m_event_receivers.getIterator();
+ i.atEnd()==false; i++)
+ {
+ MapEventReceiver* event_receiver = i.getNode()->getKey();
+ event_receiver->onMapEditEvent(event);
+ }
+}
+
+MapSector * Map::getSectorNoGenerateNoExNoLock(v2s16 p)
+{
+ if(m_sector_cache != NULL && p == m_sector_cache_p){
+ MapSector * sector = m_sector_cache;
+ // Reset inactivity timer
+ sector->usage_timer = 0.0;
+ return sector;
+ }
+
+ core::map<v2s16, MapSector*>::Node *n = m_sectors.find(p);
+
+ if(n == NULL)
+ return NULL;
+
+ MapSector *sector = n->getValue();
+
+ // Cache the last result
+ m_sector_cache_p = p;
+ m_sector_cache = sector;
+
+ // Reset inactivity timer
+ sector->usage_timer = 0.0;
+ return sector;
+}
+
+MapSector * Map::getSectorNoGenerateNoEx(v2s16 p)
+{
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+
+ return getSectorNoGenerateNoExNoLock(p);
+}
+
+MapSector * Map::getSectorNoGenerate(v2s16 p)
+{
+ MapSector *sector = getSectorNoGenerateNoEx(p);
+ if(sector == NULL)
+ throw InvalidPositionException();
+
+ return sector;
+}
+
+MapBlock * Map::getBlockNoCreate(v3s16 p3d)
+{
+ v2s16 p2d(p3d.X, p3d.Z);
+ MapSector * sector = getSectorNoGenerate(p2d);
+
+ MapBlock *block = sector->getBlockNoCreate(p3d.Y);
+
+ return block;
+}
+
+MapBlock * Map::getBlockNoCreateNoEx(v3s16 p3d)
+{
+ try
+ {
+ v2s16 p2d(p3d.X, p3d.Z);
+ MapSector * sector = getSectorNoGenerate(p2d);
+ MapBlock *block = sector->getBlockNoCreate(p3d.Y);
+ return block;
+ }
+ catch(InvalidPositionException &e)
+ {
+ return NULL;
+ }
+}
+
+/*MapBlock * Map::getBlockCreate(v3s16 p3d)
+{
+ v2s16 p2d(p3d.X, p3d.Z);
+ MapSector * sector = getSectorCreate(p2d);
+ assert(sector);
+ MapBlock *block = sector->getBlockNoCreate(p3d.Y);
+ if(block)
+ return block;
+ block = sector->createBlankBlock(p3d.Y);
+ return block;
+}*/
+
+bool Map::isNodeUnderground(v3s16 p)
+{
+ v3s16 blockpos = getNodeBlockPos(p);
+ try{
+ MapBlock * block = getBlockNoCreate(blockpos);
+ return block->getIsUnderground();
+ }
+ catch(InvalidPositionException &e)
+ {
+ return false;
+ }
+}
+
+/*
+ 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,
+ core::map<v3s16, u8> & from_nodes,
+ core::map<v3s16, bool> & light_sources,
+ core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ 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;
+
+ core::map<v3s16, u8> unlighted_nodes;
+ core::map<v3s16, u8>::Iterator j;
+ j = from_nodes.getIterator();
+
+ /*
+ Initialize block cache
+ */
+ v3s16 blockpos_last;
+ MapBlock *block = NULL;
+ // Cache this a bit, too
+ bool block_checked_in_modified = false;
+
+ for(; j.atEnd() == false; j++)
+ {
+ v3s16 pos = j.getNode()->getKey();
+ 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.getNode()->getValue();
+
+ // 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) < oldlight)
+ {
+ /*
+ And the neighbor is transparent and it has some light
+ */
+ if(n2.light_propagates() && n2.getLight(bank) != 0)
+ {
+ /*
+ Set light to 0 and add to queue
+ */
+
+ u8 current_light = n2.getLight(bank);
+ n2.setLight(bank, 0);
+ block->setNode(relpos, n2);
+
+ unlighted_nodes.insert(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))
+ {
+ std::cout<<"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, 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) == NULL)
+ {
+ modified_blocks.insert(blockpos, block);
+ }
+ block_checked_in_modified = true;
+ }
+ }
+ catch(InvalidPositionException &e)
+ {
+ continue;
+ }
+ }
+ }
+
+ /*dstream<<"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,
+ core::map<v3s16, bool> & light_sources,
+ core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ core::map<v3s16, u8> from_nodes;
+ from_nodes.insert(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,
+ core::map<v3s16, bool> & from_nodes,
+ core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ 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;
+
+ core::map<v3s16, bool> lighted_nodes;
+ core::map<v3s16, bool>::Iterator j;
+ j = from_nodes.getIterator();
+
+ /*
+ Initialize block cache
+ */
+ v3s16 blockpos_last;
+ MapBlock *block = NULL;
+ // Cache this a bit, too
+ bool block_checked_in_modified = false;
+
+ for(; j.atEnd() == false; j++)
+ //for(; j != from_nodes.end(); j++)
+ {
+ v3s16 pos = j.getNode()->getKey();
+ //v3s16 pos = *j;
+ //dstream<<"pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"<<std::endl;
+ 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);
+ 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) > undiminish_light(oldlight))
+ {
+ lighted_nodes.insert(n2pos, true);
+ //lighted_nodes.push_back(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) < newlight)
+ {
+ if(n2.light_propagates())
+ {
+ n2.setLight(bank, newlight);
+ block->setNode(relpos, n2);
+ lighted_nodes.insert(n2pos, true);
+ //lighted_nodes.push_back(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) == NULL)
+ {
+ modified_blocks.insert(blockpos, block);
+ }
+ block_checked_in_modified = true;
+ }
+ }
+ catch(InvalidPositionException &e)
+ {
+ continue;
+ }
+ }
+ }
+
+ /*dstream<<"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,
+ core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ core::map<v3s16, bool> from_nodes;
+ from_nodes.insert(pos, true);
+ spreadLight(bank, from_nodes, modified_blocks);
+}
+
+v3s16 Map::getBrightestNeighbour(enum LightBank bank, v3s16 p)
+{
+ 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) > brightest_light || found_something == false){
+ brightest_light = n2.getLight(bank);
+ 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,
+ core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ 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(n.sunlight_propagates())
+ {
+ n.setLight(LIGHTBANK_DAY, LIGHT_SUN);
+ block->setNode(relpos, n);
+
+ modified_blocks.insert(blockpos, block);
+ }
+ else
+ {
+ // Turn mud into grass
+ if(n.d == CONTENT_MUD)
+ {
+ n.d = CONTENT_GRASS;
+ block->setNode(relpos, n);
+ modified_blocks.insert(blockpos, block);
+ }
+
+ // Sunlight goes no further
+ break;
+ }
+ }
+ return y + 1;
+}
+
+void Map::updateLighting(enum LightBank bank,
+ core::map<v3s16, MapBlock*> & a_blocks,
+ core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ /*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();
+
+ core::map<v3s16, MapBlock*> blocks_to_update;
+
+ core::map<v3s16, bool> light_sources;
+
+ core::map<v3s16, u8> unlight_from;
+
+ core::map<v3s16, MapBlock*>::Iterator i;
+ i = a_blocks.getIterator();
+ for(; i.atEnd() == false; i++)
+ {
+ MapBlock *block = i.getNode()->getValue();
+
+ for(;;)
+ {
+ // Don't bother with dummy blocks.
+ if(block->isDummy())
+ break;
+
+ v3s16 pos = block->getPos();
+ modified_blocks.insert(pos, block);
+
+ blocks_to_update.insert(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(v3s16(x,y,z));
+ u8 oldlight = n.getLight(bank);
+ n.setLight(bank, 0);
+ block->setNode(v3s16(x,y,z), n);
+
+ // Collect borders for unlighting
+ if(x==0 || x == MAP_BLOCKSIZE-1
+ || y==0 || y == MAP_BLOCKSIZE-1
+ || z==0 || z == MAP_BLOCKSIZE-1)
+ {
+ v3s16 p_map = p + v3s16(
+ MAP_BLOCKSIZE*pos.X,
+ MAP_BLOCKSIZE*pos.Y,
+ MAP_BLOCKSIZE*pos.Z);
+ unlight_from.insert(p_map, oldlight);
+ }
+ }
+ catch(InvalidPositionException &e)
+ {
+ /*
+ This would happen when dealing with a
+ dummy block.
+ */
+ //assert(0);
+ dstream<<"updateLighting(): InvalidPositionException"
+ <<std::endl;
+ }
+ }
+
+ if(bank == LIGHTBANK_DAY)
+ {
+ bool bottom_valid = block->propagateSunlight(light_sources);
+
+ // 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);
+ }
+
+ /*dstream<<"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);
+ }
+
+ }
+ }
+
+#if 0
+ {
+ 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();
+ dstream<<"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();
+ dstream<<"spreadLight modified "<<diff<<std::endl;
+ }
+#endif
+
+ {
+ //MapVoxelManipulator vmanip(this);
+
+ // Make a manual voxel manipulator and load all the blocks
+ // that touch the requested blocks
+ ManualMapVoxelManipulator vmanip(this);
+ 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 p(x,y,z);
+ MapBlock *block = getBlockNoCreateNoEx(p);
+ if(block == NULL)
+ continue;
+ if(block->isDummy())
+ continue;
+ if(block->getLightingExpired())
+ continue;
+ vmanip.initialEmerge(p, p);
+ }*/
+
+ // Lighting of block will be updated completely
+ block->setLightingExpired(false);
+ }
+
+ {
+ //TimeTaker timer("unSpreadLight");
+ vmanip.unspreadLight(bank, unlight_from, light_sources);
+ }
+ {
+ //TimeTaker timer("spreadLight");
+ vmanip.spreadLight(bank, light_sources);
+ }
+ {
+ //TimeTaker timer("blitBack");
+ vmanip.blitBack(modified_blocks);
+ }
+ /*dstream<<"emerge_time="<<emerge_time<<std::endl;
+ emerge_time = 0;*/
+ }
+
+ //m_dout<<"Done ("<<getTimestamp()<<")"<<std::endl;
+}
+
+void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
+ core::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(core::map<v3s16, MapBlock*>::Iterator
+ i = modified_blocks.getIterator();
+ i.atEnd() == false; i++)
+ {
+ MapBlock *block = i.getNode()->getValue();
+ block->updateDayNightDiff();
+ }
+}
+
+/*
+ This is called after changing a node from transparent to opaque.
+ The lighting value of the node should be left as-is after changing
+ other values. This sets the lighting value to 0.
+*/
+void Map::addNodeAndUpdate(v3s16 p, MapNode n,
+ core::map<v3s16, MapBlock*> &modified_blocks)
+{
+ /*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;
+ core::map<v3s16, bool> light_sources;
+
+ /*
+ 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) != LIGHT_SUN)
+ node_under_sunlight = false;
+ }
+ catch(InvalidPositionException &e)
+ {
+ }
+
+ /*
+ If the new node doesn't propagate sunlight and there is
+ grass below, change it to mud
+ */
+ if(content_features(n.d).sunlight_propagates == false)
+ {
+ try{
+ MapNode bottomnode = getNode(bottompos);
+
+ if(bottomnode.d == CONTENT_GRASS
+ || bottomnode.d == CONTENT_GRASS_FOOTSTEPS)
+ {
+ bottomnode.d = CONTENT_MUD;
+ setNode(bottompos, bottomnode);
+ }
+ }
+ catch(InvalidPositionException &e)
+ {
+ }
+ }
+
+ /*
+ If the new node is mud and it is under sunlight, change it
+ to grass
+ */
+ if(n.d == CONTENT_MUD && node_under_sunlight)
+ {
+ n.d = CONTENT_GRASS;
+ }
+
+ /*
+ 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);
+
+ // Add the block of the added node to modified_blocks
+ v3s16 blockpos = getNodeBlockPos(p);
+ MapBlock * block = getBlockNoCreate(blockpos);
+ assert(block != NULL);
+ modified_blocks.insert(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);
+ }
+
+ /*
+ If node lets sunlight through and is under sunlight, it has
+ sunlight too.
+ */
+ if(node_under_sunlight && content_features(n.d).sunlight_propagates)
+ {
+ n.setLight(LIGHTBANK_DAY, LIGHT_SUN);
+ }
+
+ /*
+ Set the node on the map
+ */
+
+ setNode(p, n);
+
+ /*
+ Add intial metadata
+ */
+
+ NodeMetadata *meta_proto = content_features(n.d).initial_metadata;
+ if(meta_proto)
+ {
+ NodeMetadata *meta = meta_proto->clone();
+ setNodeMetadata(p, meta);
+ }
+
+ /*
+ 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 && !content_features(n.d).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) == LIGHT_SUN)
+ {
+ unLightNeighbors(LIGHTBANK_DAY,
+ n2pos, n2.getLight(LIGHTBANK_DAY),
+ light_sources, modified_blocks);
+ n2.setLight(LIGHTBANK_DAY, 0);
+ 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(core::map<v3s16, MapBlock*>::Iterator
+ i = modified_blocks.getIterator();
+ i.atEnd() == false; i++)
+ {
+ MapBlock *block = i.getNode()->getValue();
+ block->updateDayNightDiff();
+ }
+
+ /*
+ 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(content_liquid(n2.d))
+ {
+ m_transforming_liquid.push_back(p2);
+ }
+
+ }catch(InvalidPositionException &e)
+ {
+ }
+ }
+}
+
+/*
+*/
+void Map::removeNodeAndUpdate(v3s16 p,
+ core::map<v3s16, MapBlock*> &modified_blocks)
+{
+ /*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
+ u8 replace_material = CONTENT_AIR;
+
+ /*
+ 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) != LIGHT_SUN)
+ node_under_sunlight = false;
+ }
+ catch(InvalidPositionException &e)
+ {
+ }
+
+ core::map<v3s16, bool> 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),
+ light_sources, modified_blocks);
+ }
+
+ /*
+ Remove node metadata
+ */
+
+ removeNodeMetadata(p);
+
+ /*
+ Remove the node.
+ This also clears the lighting.
+ */
+
+ MapNode n;
+ n.d = 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.insert(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);
+ 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(core::map<v3s16, MapBlock*>::Iterator
+ i = modified_blocks.getIterator();
+ i.atEnd() == false; i++)
+ {
+ MapBlock *block = i.getNode()->getValue();
+ block->updateDayNightDiff();
+ }
+
+ /*
+ Add neighboring liquid nodes to transform queue.
+ */
+ 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
+ };
+ for(u16 i=0; i<6; i++)
+ {
+ try
+ {
+
+ v3s16 p2 = p + dirs[i];
+
+ MapNode n2 = getNode(p2);
+ if(content_liquid(n2.d))
+ {
+ m_transforming_liquid.push_back(p2);
+ }
+
+ }catch(InvalidPositionException &e)
+ {
+ }
+ }
+}
+
+bool Map::addNodeWithEvent(v3s16 p, MapNode n)
+{
+ MapEditEvent event;
+ event.type = MEET_ADDNODE;
+ event.p = p;
+ event.n = n;
+
+ bool succeeded = true;
+ try{
+ core::map<v3s16, MapBlock*> modified_blocks;
+ addNodeAndUpdate(p, n, modified_blocks);
+
+ // Copy modified_blocks to event
+ for(core::map<v3s16, MapBlock*>::Iterator
+ i = modified_blocks.getIterator();
+ i.atEnd()==false; i++)
+ {
+ event.modified_blocks.insert(i.getNode()->getKey(), false);
+ }
+ }
+ 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{
+ core::map<v3s16, MapBlock*> modified_blocks;
+ removeNodeAndUpdate(p, modified_blocks);
+
+ // Copy modified_blocks to event
+ for(core::map<v3s16, MapBlock*>::Iterator
+ i = modified_blocks.getIterator();
+ i.atEnd()==false; i++)
+ {
+ event.modified_blocks.insert(i.getNode()->getKey(), false);
+ }
+ }
+ catch(InvalidPositionException &e){
+ succeeded = false;
+ }
+
+ dispatchEvent(&event);
+
+ return succeeded;
+}
+
+bool Map::dayNightDiffed(v3s16 blockpos)
+{
+ try{
+ v3s16 p = blockpos + v3s16(0,0,0);
+ MapBlock *b = getBlockNoCreate(p);
+ if(b->dayNightDiffed())
+ return true;
+ }
+ catch(InvalidPositionException &e){}
+ // Leading edges
+ try{
+ v3s16 p = blockpos + v3s16(-1,0,0);
+ MapBlock *b = getBlockNoCreate(p);
+ if(b->dayNightDiffed())
+ return true;
+ }
+ catch(InvalidPositionException &e){}
+ try{
+ v3s16 p = blockpos + v3s16(0,-1,0);
+ MapBlock *b = getBlockNoCreate(p);
+ if(b->dayNightDiffed())
+ return true;
+ }
+ catch(InvalidPositionException &e){}
+ try{
+ v3s16 p = blockpos + v3s16(0,0,-1);
+ MapBlock *b = getBlockNoCreate(p);
+ if(b->dayNightDiffed())
+ return true;
+ }
+ catch(InvalidPositionException &e){}
+ // Trailing edges
+ try{
+ v3s16 p = blockpos + v3s16(1,0,0);
+ MapBlock *b = getBlockNoCreate(p);
+ if(b->dayNightDiffed())
+ return true;
+ }
+ catch(InvalidPositionException &e){}
+ try{
+ v3s16 p = blockpos + v3s16(0,1,0);
+ MapBlock *b = getBlockNoCreate(p);
+ if(b->dayNightDiffed())
+ return true;
+ }
+ catch(InvalidPositionException &e){}
+ try{
+ v3s16 p = blockpos + v3s16(0,0,1);
+ MapBlock *b = getBlockNoCreate(p);
+ if(b->dayNightDiffed())
+ return true;
+ }
+ catch(InvalidPositionException &e){}
+
+ return false;
+}
+
+/*
+ Updates usage timers
+*/
+void Map::timerUpdate(float dtime)
+{
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+
+ core::map<v2s16, MapSector*>::Iterator si;
+
+ si = m_sectors.getIterator();
+ for(; si.atEnd() == false; si++)
+ {
+ MapSector *sector = si.getNode()->getValue();
+ sector->usage_timer += dtime;
+ }
+}
+
+void Map::deleteSectors(core::list<v2s16> &list, bool only_blocks)
+{
+ /*
+ Wait for caches to be removed before continuing.
+
+ This disables the existence of caches while locked
+ */
+ //SharedPtr<JMutexAutoLock> cachelock(m_blockcachelock.waitCaches());
+
+ core::list<v2s16>::Iterator j;
+ for(j=list.begin(); j!=list.end(); j++)
+ {
+ MapSector *sector = m_sectors[*j];
+ if(only_blocks)
+ {
+ sector->deleteBlocks();
+ }
+ else
+ {
+ /*
+ 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.remove(*j);
+ delete sector;
+ }
+ }
+}
+
+u32 Map::deleteUnusedSectors(float timeout, bool only_blocks,
+ core::list<v3s16> *deleted_blocks)
+{
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+
+ core::list<v2s16> sector_deletion_queue;
+ core::map<v2s16, MapSector*>::Iterator i = m_sectors.getIterator();
+ for(; i.atEnd() == false; i++)
+ {
+ MapSector *sector = i.getNode()->getValue();
+ /*
+ Delete sector from memory if it hasn't been used in a long time
+ */
+ if(sector->usage_timer > timeout)
+ {
+ sector_deletion_queue.push_back(i.getNode()->getKey());
+
+ if(deleted_blocks != NULL)
+ {
+ // Collect positions of blocks of sector
+ MapSector *sector = i.getNode()->getValue();
+ core::list<MapBlock*> blocks;
+ sector->getBlocks(blocks);
+ for(core::list<MapBlock*>::Iterator i = blocks.begin();
+ i != blocks.end(); i++)
+ {
+ deleted_blocks->push_back((*i)->getPos());
+ }
+ }
+ }
+ }
+ deleteSectors(sector_deletion_queue, only_blocks);
+ return sector_deletion_queue.getSize();
+}
+
+void Map::PrintInfo(std::ostream &out)
+{
+ out<<"Map: ";
+}
+
+#define WATER_DROP_BOOST 4
+
+void Map::transformLiquids(core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ DSTACK(__FUNCTION_NAME);
+ //TimeTaker timer("transformLiquids()");
+
+ u32 loopcount = 0;
+ u32 initial_size = m_transforming_liquid.size();
+
+ /*if(initial_size != 0)
+ dstream<<"transformLiquids(): initial_size="<<initial_size<<std::endl;*/
+
+ while(m_transforming_liquid.size() != 0)
+ {
+ /*
+ Get a queued transforming liquid node
+ */
+ v3s16 p0 = m_transforming_liquid.pop_front();
+
+ MapNode n0 = getNode(p0);
+
+ // Don't deal with non-liquids
+ if(content_liquid(n0.d) == false)
+ continue;
+
+ bool is_source = !content_flowing_liquid(n0.d);
+
+ u8 liquid_level = 8;
+ if(is_source == false)
+ liquid_level = n0.param2 & 0x0f;
+
+ // Turn possible source into non-source
+ u8 nonsource_c = make_liquid_flowing(n0.d);
+
+ /*
+ If not source, check that some node flows into this one
+ and what is the level of liquid in this one
+ */
+ if(is_source == false)
+ {
+ s8 new_liquid_level_max = -1;
+
+ v3s16 dirs_from[5] = {
+ v3s16(0,1,0), // top
+ v3s16(0,0,1), // back
+ v3s16(1,0,0), // right
+ v3s16(0,0,-1), // front
+ v3s16(-1,0,0), // left
+ };
+ for(u16 i=0; i<5; i++)
+ {
+ try
+ {
+
+ bool from_top = (i==0);
+
+ v3s16 p2 = p0 + dirs_from[i];
+ MapNode n2 = getNode(p2);
+
+ if(content_liquid(n2.d))
+ {
+ u8 n2_nonsource_c = make_liquid_flowing(n2.d);
+ // Check that the liquids are the same type
+ if(n2_nonsource_c != nonsource_c)
+ {
+ dstream<<"WARNING: Not handling: different liquids"
+ " collide"<<std::endl;
+ continue;
+ }
+ bool n2_is_source = !content_flowing_liquid(n2.d);
+ s8 n2_liquid_level = 8;
+ if(n2_is_source == false)
+ n2_liquid_level = n2.param2 & 0x07;
+
+ s8 new_liquid_level = -1;
+ if(from_top)
+ {
+ //new_liquid_level = 7;
+ if(n2_liquid_level >= 7 - WATER_DROP_BOOST)
+ new_liquid_level = 7;
+ else
+ new_liquid_level = n2_liquid_level + WATER_DROP_BOOST;
+ }
+ else if(n2_liquid_level > 0)
+ {
+ new_liquid_level = n2_liquid_level - 1;
+ }
+
+ if(new_liquid_level > new_liquid_level_max)
+ new_liquid_level_max = new_liquid_level;
+ }
+
+ }catch(InvalidPositionException &e)
+ {
+ }
+ } //for
+
+ /*
+ If liquid level should be something else, update it and
+ add all the neighboring water nodes to the transform queue.
+ */
+ if(new_liquid_level_max != liquid_level)
+ {
+ if(new_liquid_level_max == -1)
+ {
+ // Remove water alltoghether
+ n0.d = CONTENT_AIR;
+ n0.param2 = 0;
+ setNode(p0, n0);
+ }
+ else
+ {
+ n0.param2 = new_liquid_level_max;
+ setNode(p0, n0);
+ }
+
+ // Block has been modified
+ {
+ v3s16 blockpos = getNodeBlockPos(p0);
+ MapBlock *block = getBlockNoCreateNoEx(blockpos);
+ if(block != NULL)
+ modified_blocks.insert(blockpos, block);
+ }
+
+ /*
+ Add neighboring non-source liquid nodes to transform queue.
+ */
+ 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
+ };
+ for(u16 i=0; i<6; i++)
+ {
+ try
+ {
+
+ v3s16 p2 = p0 + dirs[i];
+
+ MapNode n2 = getNode(p2);
+ if(content_flowing_liquid(n2.d))
+ {
+ m_transforming_liquid.push_back(p2);
+ }
+
+ }catch(InvalidPositionException &e)
+ {
+ }
+ }
+ }
+ }
+
+ // Get a new one from queue if the node has turned into non-water
+ if(content_liquid(n0.d) == false)
+ continue;
+
+ /*
+ Flow water from this node
+ */
+ v3s16 dirs_to[5] = {
+ v3s16(0,-1,0), // bottom
+ v3s16(0,0,1), // back
+ v3s16(1,0,0), // right
+ v3s16(0,0,-1), // front
+ v3s16(-1,0,0), // left
+ };
+ for(u16 i=0; i<5; i++)
+ {
+ try
+ {
+
+ bool to_bottom = (i == 0);
+
+ // If liquid is at lowest possible height, it's not going
+ // anywhere except down
+ if(liquid_level == 0 && to_bottom == false)
+ continue;
+
+ u8 liquid_next_level = 0;
+ // If going to bottom
+ if(to_bottom)
+ {
+ //liquid_next_level = 7;
+ if(liquid_level >= 7 - WATER_DROP_BOOST)
+ liquid_next_level = 7;
+ else
+ liquid_next_level = liquid_level + WATER_DROP_BOOST;
+ }
+ else
+ liquid_next_level = liquid_level - 1;
+
+ bool n2_changed = false;
+ bool flowed = false;
+
+ v3s16 p2 = p0 + dirs_to[i];
+
+ MapNode n2 = getNode(p2);
+ //dstream<<"[1] n2.param="<<(int)n2.param<<std::endl;
+
+ if(content_liquid(n2.d))
+ {
+ u8 n2_nonsource_c = make_liquid_flowing(n2.d);
+ // Check that the liquids are the same type
+ if(n2_nonsource_c != nonsource_c)
+ {
+ dstream<<"WARNING: Not handling: different liquids"
+ " collide"<<std::endl;
+ continue;
+ }
+ bool n2_is_source = !content_flowing_liquid(n2.d);
+ u8 n2_liquid_level = 8;
+ if(n2_is_source == false)
+ n2_liquid_level = n2.param2 & 0x07;
+
+ if(to_bottom)
+ {
+ flowed = true;
+ }
+
+ if(n2_is_source)
+ {
+ // Just flow into the source, nothing changes.
+ // n2_changed is not set because destination didn't change
+ flowed = true;
+ }
+ else
+ {
+ if(liquid_next_level > liquid_level)
+ {
+ n2.param2 = liquid_next_level;
+ setNode(p2, n2);
+
+ n2_changed = true;
+ flowed = true;
+ }
+ }
+ }
+ else if(n2.d == CONTENT_AIR)
+ {
+ n2.d = nonsource_c;
+ n2.param2 = liquid_next_level;
+ setNode(p2, n2);
+
+ n2_changed = true;
+ flowed = true;
+ }
+
+ //dstream<<"[2] n2.param="<<(int)n2.param<<std::endl;
+
+ if(n2_changed)
+ {
+ m_transforming_liquid.push_back(p2);
+
+ v3s16 blockpos = getNodeBlockPos(p2);
+ MapBlock *block = getBlockNoCreateNoEx(blockpos);
+ if(block != NULL)
+ modified_blocks.insert(blockpos, block);
+ }
+
+ // If n2_changed to bottom, don't flow anywhere else
+ if(to_bottom && flowed && !is_source)
+ break;
+
+ }catch(InvalidPositionException &e)
+ {
+ }
+ }
+
+ loopcount++;
+ //if(loopcount >= 100000)
+ if(loopcount >= initial_size * 1)
+ break;
+ }
+ //dstream<<"Map::transformLiquids(): loopcount="<<loopcount<<std::endl;
+}
+
+NodeMetadata* Map::getNodeMetadata(v3s16 p)
+{
+ v3s16 blockpos = getNodeBlockPos(p);
+ v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
+ MapBlock *block = getBlockNoCreateNoEx(blockpos);
+ if(block == NULL)
+ {
+ dstream<<"WARNING: Map::setNodeMetadata(): Block not found"
+ <<std::endl;
+ return NULL;
+ }
+ NodeMetadata *meta = block->m_node_metadata.get(p_rel);
+ return meta;
+}
+
+void Map::setNodeMetadata(v3s16 p, NodeMetadata *meta)
+{
+ v3s16 blockpos = getNodeBlockPos(p);
+ v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
+ MapBlock *block = getBlockNoCreateNoEx(blockpos);
+ if(block == NULL)
+ {
+ dstream<<"WARNING: Map::setNodeMetadata(): Block not found"
+ <<std::endl;
+ return;
+ }
+ block->m_node_metadata.set(p_rel, meta);
+}
+
+void Map::removeNodeMetadata(v3s16 p)
+{
+ v3s16 blockpos = getNodeBlockPos(p);
+ v3s16 p_rel = p - blockpos*MAP_BLOCKSIZE;
+ MapBlock *block = getBlockNoCreateNoEx(blockpos);
+ if(block == NULL)
+ {
+ dstream<<"WARNING: Map::removeNodeMetadata(): Block not found"
+ <<std::endl;
+ return;
+ }
+ block->m_node_metadata.remove(p_rel);
+}
+
+void Map::nodeMetadataStep(float dtime,
+ core::map<v3s16, MapBlock*> &changed_blocks)
+{
+ /*
+ NOTE:
+ Currently there is no way to ensure that all the necessary
+ blocks are loaded when this is run. (They might get unloaded)
+ NOTE: ^- Actually, that might not be so. In a quick test it
+ reloaded a block with a furnace when I walked back to it from
+ a distance.
+ */
+ core::map<v2s16, MapSector*>::Iterator si;
+ si = m_sectors.getIterator();
+ for(; si.atEnd() == false; si++)
+ {
+ MapSector *sector = si.getNode()->getValue();
+ core::list< MapBlock * > sectorblocks;
+ sector->getBlocks(sectorblocks);
+ core::list< MapBlock * >::Iterator i;
+ for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
+ {
+ MapBlock *block = *i;
+ bool changed = block->m_node_metadata.step(dtime);
+ if(changed)
+ changed_blocks[block->getPos()] = block;
+ }
+ }
+}
+
+/*
+ ServerMap
+*/
+
+ServerMap::ServerMap(std::string savedir):
+ Map(dout_server),
+ m_seed(0),
+ m_map_metadata_changed(true)
+{
+ dstream<<__FUNCTION_NAME<<std::endl;
+
+ //m_chunksize = 64;
+ //m_chunksize = 16; // Too slow
+ m_chunksize = 8; // Takes a few seconds
+ //m_chunksize = 4;
+ //m_chunksize = 2;
+
+ m_seed = (((u64)(myrand()%0xffff)<<0)
+ + ((u64)(myrand()%0xffff)<<16)
+ + ((u64)(myrand()%0xffff)<<32)
+ + ((u64)(myrand()%0xffff)<<48));
+
+ /*
+ Experimental and debug stuff
+ */
+
+ {
+ }
+
+ /*
+ Try to load map; if not found, create a new one.
+ */
+
+ 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)
+ {
+ dstream<<DTIME<<"Server: Empty save directory is valid."
+ <<std::endl;
+ m_map_saving_enabled = true;
+ }
+ else
+ {
+ try{
+ // Load map metadata (seed, chunksize)
+ loadMapMeta();
+
+ // Load chunk metadata
+ loadChunkMeta();
+ }
+ catch(FileNotGoodException &e){
+ dstream<<DTIME<<"WARNING: Server: Could not load "
+ <<"metafile(s). Disabling chunk-based "
+ <<"generation."<<std::endl;
+ m_chunksize = 0;
+ }
+
+ /*// Load sector (0,0) and throw and exception on fail
+ if(loadSectorFull(v2s16(0,0)) == false)
+ throw LoadError("Failed to load sector (0,0)");*/
+
+ /*dstream<<DTIME<<"Server: Successfully loaded chunk "
+ "metadata and sector (0,0) from "<<savedir<<
+ ", assuming valid save directory."
+ <<std::endl;*/
+
+ dstream<<DTIME<<"INFO: Server: Successfully loaded map "
+ <<"and chunk metadata from "<<savedir
+ <<", assuming valid save directory."
+ <<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)
+ {
+ dstream<<DTIME<<"WARNING: Server: Failed to load map from "<<savedir
+ <<", exception: "<<e.what()<<std::endl;
+ dstream<<"Please remove the map or fix it."<<std::endl;
+ dstream<<"WARNING: Map saving will be disabled."<<std::endl;
+ }
+
+ dstream<<DTIME<<"INFO: Initializing new map."<<std::endl;
+
+ // Create zero sector
+ emergeSector(v2s16(0,0));
+
+ // Initially write whole map
+ save(false);
+}
+
+ServerMap::~ServerMap()
+{
+ dstream<<__FUNCTION_NAME<<std::endl;
+
+ try
+ {
+ if(m_map_saving_enabled)
+ {
+ //save(false);
+ // Save only changed parts
+ save(true);
+ dstream<<DTIME<<"Server: saved map to "<<m_savedir<<std::endl;
+ }
+ else
+ {
+ dstream<<DTIME<<"Server: map not saved"<<std::endl;
+ }
+ }
+ catch(std::exception &e)
+ {
+ dstream<<DTIME<<"Server: Failed to save map to "<<m_savedir
+ <<", exception: "<<e.what()<<std::endl;
+ }
+
+ /*
+ Free all MapChunks
+ */
+ core::map<v2s16, MapChunk*>::Iterator i = m_chunks.getIterator();
+ for(; i.atEnd() == false; i++)
+ {
+ MapChunk *chunk = i.getNode()->getValue();
+ delete chunk;
+ }
+}
+
+/*
+ Some helper functions for the map generator
+*/
+
+s16 find_ground_level(VoxelManipulator &vmanip, v2s16 p2d)
+{
+ v3s16 em = vmanip.m_area.getExtent();
+ s16 y_nodes_max = vmanip.m_area.MaxEdge.Y;
+ s16 y_nodes_min = vmanip.m_area.MinEdge.Y;
+ u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y));
+ s16 y;
+ for(y=y_nodes_max; y>=y_nodes_min; y--)
+ {
+ MapNode &n = vmanip.m_data[i];
+ if(content_walkable(n.d))
+ break;
+
+ vmanip.m_area.add_y(em, i, -1);
+ }
+ if(y >= y_nodes_min)
+ return y;
+ else
+ return y_nodes_min;
+}
+
+s16 find_ground_level_clever(VoxelManipulator &vmanip, v2s16 p2d)
+{
+ v3s16 em = vmanip.m_area.getExtent();
+ s16 y_nodes_max = vmanip.m_area.MaxEdge.Y;
+ s16 y_nodes_min = vmanip.m_area.MinEdge.Y;
+ u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y));
+ s16 y;
+ for(y=y_nodes_max; y>=y_nodes_min; y--)
+ {
+ MapNode &n = vmanip.m_data[i];
+ if(content_walkable(n.d)
+ && n.d != CONTENT_TREE
+ && n.d != CONTENT_LEAVES)
+ break;
+
+ vmanip.m_area.add_y(em, i, -1);
+ }
+ if(y >= y_nodes_min)
+ return y;
+ else
+ return y_nodes_min;
+}
+
+void make_tree(VoxelManipulator &vmanip, v3s16 p0)
+{
+ MapNode treenode(CONTENT_TREE);
+ MapNode leavesnode(CONTENT_LEAVES);
+
+ s16 trunk_h = myrand_range(3, 6);
+ v3s16 p1 = p0;
+ for(s16 ii=0; ii<trunk_h; ii++)
+ {
+ if(vmanip.m_area.contains(p1))
+ vmanip.m_data[vmanip.m_area.index(p1)] = treenode;
+ p1.Y++;
+ }
+
+ // p1 is now the last piece of the trunk
+ p1.Y -= 1;
+
+ VoxelArea leaves_a(v3s16(-2,-2,-2), v3s16(2,2,2));
+ //SharedPtr<u8> leaves_d(new u8[leaves_a.getVolume()]);
+ Buffer<u8> leaves_d(leaves_a.getVolume());
+ for(s32 i=0; i<leaves_a.getVolume(); i++)
+ leaves_d[i] = 0;
+
+ // Force leaves at near the end of the trunk
+ {
+ s16 d = 1;
+ for(s16 z=-d; z<=d; z++)
+ for(s16 y=-d; y<=d; y++)
+ for(s16 x=-d; x<=d; x++)
+ {
+ leaves_d[leaves_a.index(v3s16(x,y,z))] = 1;
+ }
+ }
+
+ // Add leaves randomly
+ for(u32 iii=0; iii<7; iii++)
+ {
+ s16 d = 1;
+
+ v3s16 p(
+ myrand_range(leaves_a.MinEdge.X, leaves_a.MaxEdge.X-d),
+ myrand_range(leaves_a.MinEdge.Y, leaves_a.MaxEdge.Y-d),
+ myrand_range(leaves_a.MinEdge.Z, leaves_a.MaxEdge.Z-d)
+ );
+
+ for(s16 z=0; z<=d; z++)
+ for(s16 y=0; y<=d; y++)
+ for(s16 x=0; x<=d; x++)
+ {
+ leaves_d[leaves_a.index(p+v3s16(x,y,z))] = 1;
+ }
+ }
+
+ // Blit leaves to vmanip
+ for(s16 z=leaves_a.MinEdge.Z; z<=leaves_a.MaxEdge.Z; z++)
+ for(s16 y=leaves_a.MinEdge.Y; y<=leaves_a.MaxEdge.Y; y++)
+ for(s16 x=leaves_a.MinEdge.X; x<=leaves_a.MaxEdge.X; x++)
+ {
+ v3s16 p(x,y,z);
+ p += p1;
+ if(vmanip.m_area.contains(p) == false)
+ continue;
+ u32 vi = vmanip.m_area.index(p);
+ if(vmanip.m_data[vi].d != CONTENT_AIR)
+ continue;
+ u32 i = leaves_a.index(x,y,z);
+ if(leaves_d[i] == 1)
+ vmanip.m_data[vi] = leavesnode;
+ }
+}
+
+/*
+ Helpers for noise
+*/
+
+/*// -1->0, 0->1, 1->0
+double contour(double v)
+{
+ v = fabs(v);
+ if(v >= 1.0)
+ return 0.0;
+ return (1.0-v);
+}*/
+
+/*
+ Noise functions. Make sure seed is mangled differently in each one.
+*/
+
+// This affects the shape of the contour
+#define CAVE_NOISE_SCALE 10.0
+
+NoiseParams get_cave_noise1_params(u64 seed)
+{
+ return NoiseParams(NOISE_PERLIN_CONTOUR, seed+52534, 5, 0.7,
+ 200, CAVE_NOISE_SCALE);
+}
+
+NoiseParams get_cave_noise2_params(u64 seed)
+{
+ return NoiseParams(NOISE_PERLIN_CONTOUR_FLIP_YZ, seed+10325, 5, 0.7,
+ 200, CAVE_NOISE_SCALE);
+}
+
+#define CAVE_NOISE_THRESHOLD (2.5/CAVE_NOISE_SCALE)
+
+bool is_cave(u64 seed, v3s16 p)
+{
+ double d1 = noise3d_param(get_cave_noise1_params(seed), p.X,p.Y,p.Z);
+ double d2 = noise3d_param(get_cave_noise2_params(seed), p.X,p.Y,p.Z);
+ return d1*d2 > CAVE_NOISE_THRESHOLD;
+}
+
+// Amount of trees per area in nodes
+double tree_amount_2d(u64 seed, v2s16 p)
+{
+ double noise = noise2d_perlin(
+ 0.5+(float)p.X/250, 0.5+(float)p.Y/250,
+ seed+2, 5, 0.66);
+ double zeroval = -0.3;
+ if(noise < zeroval)
+ return 0;
+ else
+ return 0.04 * (noise-zeroval) / (1.0-zeroval);
+}
+
+#define AVERAGE_MUD_AMOUNT 4
+
+double base_rock_level_2d(u64 seed, v2s16 p)
+{
+ // The base ground level
+ double base = (double)WATER_LEVEL - (double)AVERAGE_MUD_AMOUNT
+ + 20. * noise2d_perlin(
+ 0.5+(float)p.X/500., 0.5+(float)p.Y/500.,
+ (seed>>32)+654879876, 6, 0.6);
+
+ /*// A bit hillier one
+ double base2 = WATER_LEVEL - 4.0 + 40. * noise2d_perlin(
+ 0.5+(float)p.X/250., 0.5+(float)p.Y/250.,
+ (seed>>27)+90340, 6, 0.69);
+ if(base2 > base)
+ base = base2;*/
+#if 1
+ // Higher ground level
+ double higher = (double)WATER_LEVEL + 25. + 35. * noise2d_perlin(
+ 0.5+(float)p.X/250., 0.5+(float)p.Y/250.,
+ seed+85039, 5, 0.69);
+ //higher = 30; // For debugging
+
+ // Limit higher to at least base
+ if(higher < base)
+ higher = base;
+
+ // Steepness factor of cliffs
+ double b = 1.0 + 1.0 * noise2d_perlin(
+ 0.5+(float)p.X/250., 0.5+(float)p.Y/250.,
+ seed-932, 7, 0.7);
+ b = rangelim(b, 0.0, 1000.0);
+ b = pow(b, 5);
+ b *= 7;
+ b = rangelim(b, 3.0, 1000.0);
+ //dstream<<"b="<<b<<std::endl;
+ //double b = 20;
+
+ // Offset to more low
+ double a_off = -0.2;
+ // High/low selector
+ /*double a = 0.5 + b * (a_off + noise2d_perlin(
+ 0.5+(float)p.X/500., 0.5+(float)p.Y/500.,
+ seed-359, 6, 0.7));*/
+ double a = (double)0.5 + b * (a_off + noise2d_perlin(
+ 0.5+(float)p.X/250., 0.5+(float)p.Y/250.,
+ seed-359, 5, 0.60));
+ // Limit
+ a = rangelim(a, 0.0, 1.0);
+
+ //dstream<<"a="<<a<<std::endl;
+
+ double h = base*(1.0-a) + higher*a;
+#else
+ double h = base;
+#endif
+ return h;
+}
+
+double get_mud_add_amount(u64 seed, v2s16 p)
+{
+ return ((float)AVERAGE_MUD_AMOUNT + 3.0 * noise2d_perlin(
+ 0.5+(float)p.X/200, 0.5+(float)p.Y/200,
+ seed+91013, 3, 0.55));
+}
+
+/*
+ Adds random objects to block, depending on the content of the block
+*/
+void addRandomObjects(MapBlock *block)
+{
+ for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
+ for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
+ {
+ bool last_node_walkable = false;
+ for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
+ {
+ v3s16 p(x0,y0,z0);
+ MapNode n = block->getNodeNoEx(p);
+ if(n.d == CONTENT_IGNORE)
+ continue;
+ if(content_features(n.d).liquid_type != LIQUID_NONE)
+ continue;
+ if(content_features(n.d).walkable)
+ {
+ last_node_walkable = true;
+ continue;
+ }
+ if(last_node_walkable)
+ {
+ // If block contains light information
+ if(content_features(n.d).param_type == CPT_LIGHT)
+ {
+ if(n.getLight(LIGHTBANK_DAY) <= 3)
+ {
+ if(myrand() % 300 == 0)
+ {
+ v3f pos_f = intToFloat(p+block->getPosRelative(), BS);
+ pos_f.Y -= BS*0.4;
+ ServerActiveObject *obj = new RatSAO(NULL, 0, pos_f);
+ std::string data = obj->getStaticData();
+ StaticObject s_obj(obj->getType(),
+ obj->getBasePosition(), data);
+ // Add some
+ block->m_static_objects.insert(0, s_obj);
+ block->m_static_objects.insert(0, s_obj);
+ block->m_static_objects.insert(0, s_obj);
+ block->m_static_objects.insert(0, s_obj);
+ block->m_static_objects.insert(0, s_obj);
+ block->m_static_objects.insert(0, s_obj);
+ delete obj;
+ }
+ if(myrand() % 300 == 0)
+ {
+ v3f pos_f = intToFloat(p+block->getPosRelative(), BS);
+ pos_f.Y -= BS*0.4;
+ ServerActiveObject *obj = new Oerkki1SAO(NULL,0,pos_f);
+ std::string data = obj->getStaticData();
+ StaticObject s_obj(obj->getType(),
+ obj->getBasePosition(), data);
+ // Add one
+ block->m_static_objects.insert(0, s_obj);
+ delete obj;
+ }
+ }
+ }
+ }
+ last_node_walkable = false;
+ }
+ }
+ block->setChangedFlag();
+}
+
+/*
+ This is the main map generation method
+*/
+
+#define VMANIP_FLAG_DUNGEON VOXELFLAG_CHECKED1
+
+void makeChunk(ChunkMakeData *data)
+{
+ if(data->no_op)
+ return;
+
+ s16 y_nodes_min = data->y_blocks_min * MAP_BLOCKSIZE;
+ s16 y_nodes_max = data->y_blocks_max * MAP_BLOCKSIZE + MAP_BLOCKSIZE - 1;
+ s16 h_blocks = data->y_blocks_max - data->y_blocks_min + 1;
+ u32 relative_volume = (u32)data->sectorpos_base_size*MAP_BLOCKSIZE
+ *(u32)data->sectorpos_base_size*MAP_BLOCKSIZE
+ *(u32)h_blocks*MAP_BLOCKSIZE;
+ v3s16 bigarea_blocks_min(
+ data->sectorpos_bigbase.X,
+ data->y_blocks_min,
+ data->sectorpos_bigbase.Y
+ );
+ v3s16 bigarea_blocks_max(
+ data->sectorpos_bigbase.X + data->sectorpos_bigbase_size - 1,
+ data->y_blocks_max,
+ data->sectorpos_bigbase.Y + data->sectorpos_bigbase_size - 1
+ );
+ s16 lighting_min_d = 0-data->max_spread_amount;
+ s16 lighting_max_d = data->sectorpos_base_size*MAP_BLOCKSIZE
+ + data->max_spread_amount-1;
+
+ // Clear all flags
+ data->vmanip.clearFlag(0xff);
+
+ TimeTaker timer_generate("makeChunk() generate");
+
+ // Maximum height of the stone surface and obstacles.
+ // This is used to disable cave generation from going too high.
+ s16 stone_surface_max_y = 0;
+
+ /*
+ Generate general ground level to full area
+ */
+ {
+ // 22ms @cs=8
+ TimeTaker timer1("Generating ground level");
+
+ //NoiseBuffer noisebuf1;
+ //NoiseBuffer noisebuf2;
+ NoiseBuffer noisebuf_cave;
+ {
+ v3f minpos_f(
+ data->sectorpos_bigbase.X*MAP_BLOCKSIZE,
+ y_nodes_min,
+ data->sectorpos_bigbase.Y*MAP_BLOCKSIZE
+ );
+ v3f maxpos_f = minpos_f + v3f(
+ data->sectorpos_bigbase_size*MAP_BLOCKSIZE,
+ y_nodes_max-y_nodes_min,
+ data->sectorpos_bigbase_size*MAP_BLOCKSIZE
+ );
+ //v3f samplelength_f = v3f(4.0, 4.0, 4.0);
+
+ TimeTaker timer("noisebuf.create");
+
+ noisebuf_cave.create(get_cave_noise1_params(data->seed),
+ minpos_f.X, minpos_f.Y, minpos_f.Z,
+ maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
+ 4, 4, 4);
+
+ noisebuf_cave.multiply(get_cave_noise2_params(data->seed));
+
+ /*noisebuf1.create(data->seed+25104, 6, 0.60, 200.0, false,
+ minpos_f.X, minpos_f.Y, minpos_f.Z,
+ maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
+ samplelength_f.X, samplelength_f.Y, samplelength_f.Z);*/
+ /*noisebuf1.create(data->seed+25104, 3, 0.60, 25.0, false,
+ minpos_f.X, minpos_f.Y, minpos_f.Z,
+ maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
+ samplelength_f.X, samplelength_f.Y, samplelength_f.Z);
+ noisebuf2.create(data->seed+25105, 4, 0.50, 200.0, false,
+ minpos_f.X, minpos_f.Y, minpos_f.Z,
+ maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
+ samplelength_f.X, samplelength_f.Y, samplelength_f.Z);*/
+ }
+
+#if 0
+ for(s16 x=0; x<data->sectorpos_bigbase_size*MAP_BLOCKSIZE; x++)
+ for(s16 z=0; z<data->sectorpos_bigbase_size*MAP_BLOCKSIZE; z++)
+ {
+ // Node position
+ v2s16 p2d = data->sectorpos_bigbase*MAP_BLOCKSIZE + v2s16(x,z);
+
+ // Ground height at this point
+ float surface_y_f = 0.0;
+
+ // Use perlin noise for ground height
+ surface_y_f = base_rock_level_2d(data->seed, p2d);
+ //surface_y_f = base_rock_level_2d(data->seed, p2d);
+
+ // Convert to integer
+ s16 surface_y = (s16)surface_y_f;
+
+ // Log it
+ if(surface_y > stone_surface_max_y)
+ stone_surface_max_y = surface_y;
+
+ /*
+ Fill ground with stone
+ */
+ {
+ // Use fast index incrementing
+ v3s16 em = data->vmanip.m_area.getExtent();
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_nodes_min, p2d.Y));
+ for(s16 y=y_nodes_min; y<=y_nodes_max; y++)
+ {
+ // Skip if already generated.
+ // This is done here because there might be a cave at
+ // any point in ground, which could look like it
+ // wasn't generated.
+ if(data->vmanip.m_data[i].d != CONTENT_AIR)
+ break;
+
+ /*s16 noiseval = 50.0 * noise3d_perlin(
+ 0.5+(float)p2d.X/100.0,
+ 0.5+(float)y/100.0,
+ 0.5+(float)p2d.Y/100.0,
+ data->seed+123, 5, 0.5);*/
+ double noiseval = 64.0 * noisebuf1.get(p2d.X, y, p2d.Y);
+ /*double noiseval = 30.0 * noisebuf1.get(p2d.X, y, p2d.Y);
+ noiseval *= MYMAX(0, -0.2 + noisebuf2.get(p2d.X, y, p2d.Y));*/
+
+ //if(y < surface_y + noiseval)
+ if(noiseval > 0)
+ //if(noiseval > y)
+ data->vmanip.m_data[i].d = CONTENT_STONE;
+
+ data->vmanip.m_area.add_y(em, i, 1);
+ }
+ }
+ }
+#endif
+
+#if 1
+ for(s16 x=0; x<data->sectorpos_bigbase_size*MAP_BLOCKSIZE; x++)
+ for(s16 z=0; z<data->sectorpos_bigbase_size*MAP_BLOCKSIZE; z++)
+ {
+ // Node position
+ v2s16 p2d = data->sectorpos_bigbase*MAP_BLOCKSIZE + v2s16(x,z);
+
+ /*
+ Skip of already generated
+ */
+ /*{
+ v3s16 p(p2d.X, y_nodes_min, p2d.Y);
+ if(data->vmanip.m_data[data->vmanip.m_area.index(p)].d != CONTENT_AIR)
+ continue;
+ }*/
+
+#define CAVE_TEST 0
+
+#if CAVE_TEST
+ /*
+ Fill ground with stone
+ */
+ {
+ // Use fast index incrementing
+ v3s16 em = data->vmanip.m_area.getExtent();
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_nodes_min, p2d.Y));
+ for(s16 y=y_nodes_min; y<=y_nodes_max; y++)
+ {
+ // Skip if already generated.
+ // This is done here because there might be a cave at
+ // any point in ground, which could look like it
+ // wasn't generated.
+ if(data->vmanip.m_data[i].d != CONTENT_AIR)
+ break;
+
+ //if(is_cave(data->seed, v3s16(p2d.X, y, p2d.Y)))
+ if(noisebuf_cave.get(p2d.X,y,p2d.Y) > CAVE_NOISE_THRESHOLD)
+ {
+ data->vmanip.m_data[i].d = CONTENT_STONE;
+ }
+ else
+ {
+ data->vmanip.m_data[i].d = CONTENT_AIR;
+ }
+
+ data->vmanip.m_area.add_y(em, i, 1);
+ }
+ }
+#else
+ // Ground height at this point
+ float surface_y_f = 0.0;
+
+ // Use perlin noise for ground height
+ surface_y_f = base_rock_level_2d(data->seed, p2d);
+
+ // Convert to integer
+ s16 surface_y = (s16)surface_y_f;
+
+ // Log it
+ if(surface_y > stone_surface_max_y)
+ stone_surface_max_y = surface_y;
+
+ /*
+ Fill ground with stone
+ */
+ {
+ // Use fast index incrementing
+ v3s16 em = data->vmanip.m_area.getExtent();
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_nodes_min, p2d.Y));
+ for(s16 y=y_nodes_min; y<surface_y && y<=y_nodes_max; y++)
+ {
+ // Skip if already generated.
+ // This is done here because there might be a cave at
+ // any point in ground, which could look like it
+ // wasn't generated.
+ if(data->vmanip.m_data[i].d != CONTENT_AIR)
+ break;
+
+ //if(is_cave(data->seed, v3s16(p2d.X, y, p2d.Y)))
+ if(noisebuf_cave.get(p2d.X,y,p2d.Y) > CAVE_NOISE_THRESHOLD)
+ {
+ // Set tunnel flag
+ data->vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON;
+ // Is now air
+ data->vmanip.m_data[i].d = CONTENT_AIR;
+ }
+ else
+ {
+ data->vmanip.m_data[i].d = CONTENT_STONE;
+ }
+
+ data->vmanip.m_area.add_y(em, i, 1);
+ }
+ }
+#endif // !CAVE_TEST
+ }
+#endif
+
+ }//timer1
+
+ /*
+ Randomize some parameters
+ */
+
+ //s32 stone_obstacle_count = 0;
+ /*s32 stone_obstacle_count =
+ rangelim((1.0+noise2d(data->seed+897,
+ data->sectorpos_base.X, data->sectorpos_base.Y))/2.0 * 30, 0, 100000);*/
+
+ //s16 stone_obstacle_max_height = 0;
+ /*s16 stone_obstacle_max_height =
+ rangelim((1.0+noise2d(data->seed+5902,
+ data->sectorpos_base.X, data->sectorpos_base.Y))/2.0 * 30, 0, 100000);*/
+
+ // Set to 0 to disable everything but lighting
+#if 1
+
+ /*
+ Loop this part, it will make stuff look older and newer nicely
+ */
+ const u32 age_loops = 2;
+ for(u32 i_age=0; i_age<age_loops; i_age++)
+ { // Aging loop
+ /******************************
+ BEGINNING OF AGING LOOP
+ ******************************/
+
+#if 1
+ {
+ // 24ms @cs=8
+ //TimeTaker timer1("caves");
+
+ /*
+ Make caves
+ */
+ //u32 caves_count = relative_volume / 400000;
+ u32 caves_count = 0;
+ u32 bruises_count = relative_volume * stone_surface_max_y / 40000000;
+ if(stone_surface_max_y < WATER_LEVEL)
+ bruises_count = 0;
+ /*u32 caves_count = 0;
+ u32 bruises_count = 0;*/
+ for(u32 jj=0; jj<caves_count+bruises_count; jj++)
+ {
+ s16 min_tunnel_diameter = 3;
+ s16 max_tunnel_diameter = 5;
+ u16 tunnel_routepoints = 20;
+
+ v3f main_direction(0,0,0);
+
+ bool bruise_surface = (jj > caves_count);
+
+ if(bruise_surface)
+ {
+ min_tunnel_diameter = 5;
+ max_tunnel_diameter = myrand_range(10, 20);
+ /*min_tunnel_diameter = MYMAX(0, stone_surface_max_y/6);
+ max_tunnel_diameter = myrand_range(MYMAX(0, stone_surface_max_y/6), MYMAX(0, stone_surface_max_y/2));*/
+
+ /*s16 tunnel_rou = rangelim(25*(0.5+1.0*noise2d(data->seed+42,
+ data->sectorpos_base.X, data->sectorpos_base.Y)), 0, 15);*/
+
+ tunnel_routepoints = 5;
+ }
+ else
+ {
+ }
+
+ // Allowed route area size in nodes
+ v3s16 ar(
+ data->sectorpos_base_size*MAP_BLOCKSIZE,
+ h_blocks*MAP_BLOCKSIZE,
+ data->sectorpos_base_size*MAP_BLOCKSIZE
+ );
+
+ // Area starting point in nodes
+ v3s16 of(
+ data->sectorpos_base.X*MAP_BLOCKSIZE,
+ data->y_blocks_min*MAP_BLOCKSIZE,
+ data->sectorpos_base.Y*MAP_BLOCKSIZE
+ );
+
+ // Allow a bit more
+ //(this should be more than the maximum radius of the tunnel)
+ //s16 insure = 5; // Didn't work with max_d = 20
+ s16 insure = 10;
+ s16 more = data->max_spread_amount - max_tunnel_diameter/2 - insure;
+ ar += v3s16(1,0,1) * more * 2;
+ of -= v3s16(1,0,1) * more;
+
+ s16 route_y_min = 0;
+ // Allow half a diameter + 7 over stone surface
+ s16 route_y_max = -of.Y + stone_surface_max_y + max_tunnel_diameter/2 + 7;
+
+ /*// If caves, don't go through surface too often
+ if(bruise_surface == false)
+ route_y_max -= myrand_range(0, max_tunnel_diameter*2);*/
+
+ // Limit maximum to area
+ route_y_max = rangelim(route_y_max, 0, ar.Y-1);
+
+ if(bruise_surface)
+ {
+ /*// Minimum is at y=0
+ route_y_min = -of.Y - 0;*/
+ // Minimum is at y=max_tunnel_diameter/4
+ //route_y_min = -of.Y + max_tunnel_diameter/4;
+ //s16 min = -of.Y + max_tunnel_diameter/4;
+ s16 min = -of.Y + 0;
+ route_y_min = myrand_range(min, min + max_tunnel_diameter);
+ route_y_min = rangelim(route_y_min, 0, route_y_max);
+ }
+
+ /*dstream<<"route_y_min = "<<route_y_min
+ <<", route_y_max = "<<route_y_max<<std::endl;*/
+
+ s16 route_start_y_min = route_y_min;
+ s16 route_start_y_max = route_y_max;
+
+ // Start every 2nd cave from surface
+ bool coming_from_surface = (jj % 2 == 0 && bruise_surface == false);
+
+ if(coming_from_surface)
+ {
+ route_start_y_min = -of.Y + stone_surface_max_y + 10;
+ }
+
+ route_start_y_min = rangelim(route_start_y_min, 0, ar.Y-1);
+ route_start_y_max = rangelim(route_start_y_max, route_start_y_min, ar.Y-1);
+
+ // Randomize starting position
+ v3f orp(
+ (float)(myrand()%ar.X)+0.5,
+ (float)(myrand_range(route_start_y_min, route_start_y_max))+0.5,
+ (float)(myrand()%ar.Z)+0.5
+ );
+
+ MapNode airnode(CONTENT_AIR);
+
+ /*
+ Generate some tunnel starting from orp
+ */
+
+ for(u16 j=0; j<tunnel_routepoints; j++)
+ {
+ if(j%7==0 && bruise_surface == false)
+ {
+ main_direction = v3f(
+ ((float)(myrand()%20)-(float)10)/10,
+ ((float)(myrand()%20)-(float)10)/30,
+ ((float)(myrand()%20)-(float)10)/10
+ );
+ main_direction *= (float)myrand_range(1, 3);
+ }
+
+ // Randomize size
+ s16 min_d = min_tunnel_diameter;
+ s16 max_d = max_tunnel_diameter;
+ s16 rs = myrand_range(min_d, max_d);
+
+ v3s16 maxlen;
+ if(bruise_surface)
+ {
+ maxlen = v3s16(rs*7,rs*7,rs*7);
+ }
+ else
+ {
+ maxlen = v3s16(rs*4, myrand_range(1, rs*3), rs*4);
+ }
+
+ v3f vec;
+
+ if(coming_from_surface && j < 3)
+ {
+ vec = v3f(
+ (float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
+ (float)(myrand()%(maxlen.Y*1))-(float)maxlen.Y,
+ (float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
+ );
+ }
+ else
+ {
+ vec = v3f(
+ (float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
+ (float)(myrand()%(maxlen.Y*2))-(float)maxlen.Y,
+ (float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
+ );
+ }
+
+ vec += main_direction;
+
+ v3f rp = orp + vec;
+ if(rp.X < 0)
+ rp.X = 0;
+ else if(rp.X >= ar.X)
+ rp.X = ar.X-1;
+ if(rp.Y < route_y_min)
+ rp.Y = route_y_min;
+ else if(rp.Y >= route_y_max)
+ rp.Y = route_y_max-1;
+ if(rp.Z < 0)
+ rp.Z = 0;
+ else if(rp.Z >= ar.Z)
+ rp.Z = ar.Z-1;
+ vec = rp - orp;
+
+ for(float f=0; f<1.0; f+=1.0/vec.getLength())
+ {
+ v3f fp = orp + vec * f;
+ v3s16 cp(fp.X, fp.Y, fp.Z);
+
+ s16 d0 = -rs/2;
+ s16 d1 = d0 + rs - 1;
+ for(s16 z0=d0; z0<=d1; z0++)
+ {
+ //s16 si = rs - MYMAX(0, abs(z0)-rs/4);
+ s16 si = rs - MYMAX(0, abs(z0)-rs/7);
+ for(s16 x0=-si; x0<=si-1; x0++)
+ {
+ s16 maxabsxz = MYMAX(abs(x0), abs(z0));
+ //s16 si2 = rs - MYMAX(0, maxabsxz-rs/4);
+ s16 si2 = rs - MYMAX(0, maxabsxz-rs/7);
+ //s16 si2 = rs - abs(x0);
+ for(s16 y0=-si2+1+2; y0<=si2-1; y0++)
+ {
+ s16 z = cp.Z + z0;
+ s16 y = cp.Y + y0;
+ s16 x = cp.X + x0;
+ v3s16 p(x,y,z);
+ /*if(isInArea(p, ar) == false)
+ continue;*/
+ // Check only height
+ if(y < 0 || y >= ar.Y)
+ continue;
+ p += of;
+
+ //assert(data->vmanip.m_area.contains(p));
+ if(data->vmanip.m_area.contains(p) == false)
+ {
+ dstream<<"WARNING: "<<__FUNCTION_NAME
+ <<":"<<__LINE__<<": "
+ <<"point not in area"
+ <<std::endl;
+ continue;
+ }
+
+ // Just set it to air, it will be changed to
+ // water afterwards
+ u32 i = data->vmanip.m_area.index(p);
+ data->vmanip.m_data[i] = airnode;
+
+ if(bruise_surface == false)
+ {
+ // Set tunnel flag
+ data->vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON;
+ }
+ }
+ }
+ }
+ }
+
+ orp = rp;
+ }
+
+ }
+
+ }//timer1
+#endif
+
+#if 1
+ {
+ // 46ms @cs=8
+ //TimeTaker timer1("ore veins");
+
+ /*
+ Make ore veins
+ */
+ for(u32 jj=0; jj<relative_volume/1000; jj++)
+ {
+ s16 max_vein_diameter = 3;
+
+ // Allowed route area size in nodes
+ v3s16 ar(
+ data->sectorpos_base_size*MAP_BLOCKSIZE,
+ h_blocks*MAP_BLOCKSIZE,
+ data->sectorpos_base_size*MAP_BLOCKSIZE
+ );
+
+ // Area starting point in nodes
+ v3s16 of(
+ data->sectorpos_base.X*MAP_BLOCKSIZE,
+ data->y_blocks_min*MAP_BLOCKSIZE,
+ data->sectorpos_base.Y*MAP_BLOCKSIZE
+ );
+
+ // Allow a bit more
+ //(this should be more than the maximum radius of the tunnel)
+ s16 insure = 3;
+ s16 more = data->max_spread_amount - max_vein_diameter/2 - insure;
+ ar += v3s16(1,0,1) * more * 2;
+ of -= v3s16(1,0,1) * more;
+
+ // Randomize starting position
+ v3f orp(
+ (float)(myrand()%ar.X)+0.5,
+ (float)(myrand()%ar.Y)+0.5,
+ (float)(myrand()%ar.Z)+0.5
+ );
+
+ // Randomize mineral
+ u8 mineral;
+ if(myrand()%3 != 0)
+ mineral = MINERAL_COAL;
+ else
+ mineral = MINERAL_IRON;
+
+ /*
+ Generate some vein starting from orp
+ */
+
+ for(u16 j=0; j<2; j++)
+ {
+ /*v3f rp(
+ (float)(myrand()%ar.X)+0.5,
+ (float)(myrand()%ar.Y)+0.5,
+ (float)(myrand()%ar.Z)+0.5
+ );
+ v3f vec = rp - orp;*/
+
+ v3s16 maxlen(5, 5, 5);
+ v3f vec(
+ (float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
+ (float)(myrand()%(maxlen.Y*2))-(float)maxlen.Y,
+ (float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
+ );
+ v3f rp = orp + vec;
+ if(rp.X < 0)
+ rp.X = 0;
+ else if(rp.X >= ar.X)
+ rp.X = ar.X;
+ if(rp.Y < 0)
+ rp.Y = 0;
+ else if(rp.Y >= ar.Y)
+ rp.Y = ar.Y;
+ if(rp.Z < 0)
+ rp.Z = 0;
+ else if(rp.Z >= ar.Z)
+ rp.Z = ar.Z;
+ vec = rp - orp;
+
+ // Randomize size
+ s16 min_d = 0;
+ s16 max_d = max_vein_diameter;
+ s16 rs = myrand_range(min_d, max_d);
+
+ for(float f=0; f<1.0; f+=1.0/vec.getLength())
+ {
+ v3f fp = orp + vec * f;
+ v3s16 cp(fp.X, fp.Y, fp.Z);
+ s16 d0 = -rs/2;
+ s16 d1 = d0 + rs - 1;
+ for(s16 z0=d0; z0<=d1; z0++)
+ {
+ s16 si = rs - abs(z0);
+ for(s16 x0=-si; x0<=si-1; x0++)
+ {
+ s16 si2 = rs - abs(x0);
+ for(s16 y0=-si2+1; y0<=si2-1; y0++)
+ {
+ // Don't put mineral to every place
+ if(myrand()%5 != 0)
+ continue;
+
+ s16 z = cp.Z + z0;
+ s16 y = cp.Y + y0;
+ s16 x = cp.X + x0;
+ v3s16 p(x,y,z);
+ /*if(isInArea(p, ar) == false)
+ continue;*/
+ // Check only height
+ if(y < 0 || y >= ar.Y)
+ continue;
+ p += of;
+
+ assert(data->vmanip.m_area.contains(p));
+
+ // Just set it to air, it will be changed to
+ // water afterwards
+ u32 i = data->vmanip.m_area.index(p);
+ MapNode *n = &data->vmanip.m_data[i];
+ if(n->d == CONTENT_STONE)
+ n->param = mineral;
+ }
+ }
+ }
+ }
+
+ orp = rp;
+ }
+
+ }
+
+ }//timer1
+#endif
+
+#if 1
+ {
+ // 15ms @cs=8
+ TimeTaker timer1("add mud");
+
+ /*
+ Add mud to the central chunk
+ */
+
+ for(s16 x=0; x<data->sectorpos_base_size*MAP_BLOCKSIZE; x++)
+ for(s16 z=0; z<data->sectorpos_base_size*MAP_BLOCKSIZE; z++)
+ {
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ // Randomize mud amount
+ s16 mud_add_amount = get_mud_add_amount(data->seed, p2d) / 2.0;
+
+ // Find ground level
+ s16 surface_y = find_ground_level_clever(data->vmanip, p2d);
+
+ /*
+ If topmost node is grass, change it to mud.
+ It might be if it was flown to there from a neighboring
+ chunk and then converted.
+ */
+ {
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, surface_y, p2d.Y));
+ MapNode *n = &data->vmanip.m_data[i];
+ if(n->d == CONTENT_GRASS)
+ *n = MapNode(CONTENT_MUD);
+ //n->d = CONTENT_MUD;
+ }
+
+ /*
+ Add mud on ground
+ */
+ {
+ s16 mudcount = 0;
+ v3s16 em = data->vmanip.m_area.getExtent();
+ s16 y_start = surface_y+1;
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y));
+ for(s16 y=y_start; y<=y_nodes_max; y++)
+ {
+ if(mudcount >= mud_add_amount)
+ break;
+
+ MapNode &n = data->vmanip.m_data[i];
+ n = MapNode(CONTENT_MUD);
+ //n.d = CONTENT_MUD;
+ mudcount++;
+
+ data->vmanip.m_area.add_y(em, i, 1);
+ }
+ }
+
+ }
+
+ }//timer1
+#endif
+
+#if 1
+ {
+ // 340ms @cs=8
+ TimeTaker timer1("flow mud");
+
+ /*
+ Flow mud away from steep edges
+ */
+
+ // Limit area by 1 because mud is flown into neighbors.
+ s16 mudflow_minpos = 0-data->max_spread_amount+1;
+ s16 mudflow_maxpos = data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount-2;
+
+ // Iterate a few times
+ for(s16 k=0; k<3; k++)
+ {
+
+ for(s16 x=mudflow_minpos;
+ x<=mudflow_maxpos;
+ x++)
+ for(s16 z=mudflow_minpos;
+ z<=mudflow_maxpos;
+ z++)
+ {
+ // Invert coordinates every 2nd iteration
+ if(k%2 == 0)
+ {
+ x = mudflow_maxpos - (x-mudflow_minpos);
+ z = mudflow_maxpos - (z-mudflow_minpos);
+ }
+
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ v3s16 em = data->vmanip.m_area.getExtent();
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y));
+ s16 y=y_nodes_max;
+
+ for(;; y--)
+ {
+ MapNode *n = NULL;
+ // Find mud
+ for(; y>=y_nodes_min; y--)
+ {
+ n = &data->vmanip.m_data[i];
+ //if(content_walkable(n->d))
+ // break;
+ if(n->d == CONTENT_MUD || n->d == CONTENT_GRASS)
+ break;
+
+ data->vmanip.m_area.add_y(em, i, -1);
+ }
+
+ // Stop if out of area
+ //if(data->vmanip.m_area.contains(i) == false)
+ if(y < y_nodes_min)
+ break;
+
+ /*// If not mud, do nothing to it
+ MapNode *n = &data->vmanip.m_data[i];
+ if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS)
+ continue;*/
+
+ /*
+ Don't flow it if the stuff under it is not mud
+ */
+ {
+ u32 i2 = i;
+ data->vmanip.m_area.add_y(em, i2, -1);
+ // Cancel if out of area
+ if(data->vmanip.m_area.contains(i2) == false)
+ continue;
+ MapNode *n2 = &data->vmanip.m_data[i2];
+ if(n2->d != CONTENT_MUD && n2->d != CONTENT_GRASS)
+ continue;
+ }
+
+ // Make it exactly mud
+ n->d = CONTENT_MUD;
+
+ /*s16 recurse_count = 0;
+ mudflow_recurse:*/
+
+ v3s16 dirs4[4] = {
+ v3s16(0,0,1), // back
+ v3s16(1,0,0), // right
+ v3s16(0,0,-1), // front
+ v3s16(-1,0,0), // left
+ };
+
+ // Theck that upper is air or doesn't exist.
+ // Cancel dropping if upper keeps it in place
+ u32 i3 = i;
+ data->vmanip.m_area.add_y(em, i3, 1);
+ if(data->vmanip.m_area.contains(i3) == true
+ && content_walkable(data->vmanip.m_data[i3].d) == true)
+ {
+ continue;
+ }
+
+ // Drop mud on side
+
+ for(u32 di=0; di<4; di++)
+ {
+ v3s16 dirp = dirs4[di];
+ u32 i2 = i;
+ // Move to side
+ data->vmanip.m_area.add_p(em, i2, dirp);
+ // Fail if out of area
+ if(data->vmanip.m_area.contains(i2) == false)
+ continue;
+ // Check that side is air
+ MapNode *n2 = &data->vmanip.m_data[i2];
+ if(content_walkable(n2->d))
+ continue;
+ // Check that under side is air
+ data->vmanip.m_area.add_y(em, i2, -1);
+ if(data->vmanip.m_area.contains(i2) == false)
+ continue;
+ n2 = &data->vmanip.m_data[i2];
+ if(content_walkable(n2->d))
+ continue;
+ /*// Check that under that is air (need a drop of 2)
+ data->vmanip.m_area.add_y(em, i2, -1);
+ if(data->vmanip.m_area.contains(i2) == false)
+ continue;
+ n2 = &data->vmanip.m_data[i2];
+ if(content_walkable(n2->d))
+ continue;*/
+ // Loop further down until not air
+ do{
+ data->vmanip.m_area.add_y(em, i2, -1);
+ // Fail if out of area
+ if(data->vmanip.m_area.contains(i2) == false)
+ continue;
+ n2 = &data->vmanip.m_data[i2];
+ }while(content_walkable(n2->d) == false);
+ // Loop one up so that we're in air
+ data->vmanip.m_area.add_y(em, i2, 1);
+ n2 = &data->vmanip.m_data[i2];
+
+ // Move mud to new place
+ *n2 = *n;
+ // Set old place to be air
+ *n = MapNode(CONTENT_AIR);
+
+ // Done
+ break;
+ }
+ }
+ }
+
+ }
+
+ }//timer1
+#endif
+
+#if 1
+ {
+ // 50ms @cs=8
+ TimeTaker timer1("add water");
+
+ /*
+ Add water to the central chunk (and a bit more)
+ */
+
+ for(s16 x=0-data->max_spread_amount;
+ x<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount;
+ x++)
+ for(s16 z=0-data->max_spread_amount;
+ z<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount;
+ z++)
+ {
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ // Find ground level
+ //s16 surface_y = find_ground_level(data->vmanip, p2d);
+
+ /*
+ If ground level is over water level, skip.
+ NOTE: This leaves caves near water without water,
+ which looks especially crappy when the nearby water
+ won't start flowing either for some reason
+ */
+ /*if(surface_y > WATER_LEVEL)
+ continue;*/
+
+ /*
+ Add water on ground
+ */
+ {
+ v3s16 em = data->vmanip.m_area.getExtent();
+ u8 light = LIGHT_MAX;
+ // Start at global water surface level
+ s16 y_start = WATER_LEVEL;
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y));
+ MapNode *n = &data->vmanip.m_data[i];
+
+ for(s16 y=y_start; y>=y_nodes_min; y--)
+ {
+ n = &data->vmanip.m_data[i];
+
+ // Stop when there is no water and no air
+ if(n->d != CONTENT_AIR && n->d != CONTENT_WATERSOURCE
+ && n->d != CONTENT_WATER)
+ {
+
+ break;
+ }
+
+ // Make water only not in caves
+ if(!(data->vmanip.m_flags[i]&VMANIP_FLAG_DUNGEON))
+ {
+ n->d = CONTENT_WATERSOURCE;
+ //n->setLight(LIGHTBANK_DAY, light);
+
+ // Add to transforming liquid queue (in case it'd
+ // start flowing)
+ v3s16 p = v3s16(p2d.X, y, p2d.Y);
+ data->transforming_liquid.push_back(p);
+ }
+
+ // Next one
+ data->vmanip.m_area.add_y(em, i, -1);
+ if(light > 0)
+ light--;
+ }
+ }
+
+ }
+
+ }//timer1
+#endif
+
+ } // Aging loop
+ /***********************
+ END OF AGING LOOP
+ ************************/
+
+#if 1
+ {
+ //TimeTaker timer1("convert mud to sand");
+
+ /*
+ Convert mud to sand
+ */
+
+ //s16 mud_add_amount = myrand_range(2, 4);
+ //s16 mud_add_amount = 0;
+
+ /*for(s16 x=0; x<data->sectorpos_base_size*MAP_BLOCKSIZE; x++)
+ for(s16 z=0; z<data->sectorpos_base_size*MAP_BLOCKSIZE; z++)*/
+ for(s16 x=0-data->max_spread_amount+1;
+ x<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount-1;
+ x++)
+ for(s16 z=0-data->max_spread_amount+1;
+ z<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount-1;
+ z++)
+ {
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ // Determine whether to have sand here
+ double sandnoise = noise2d_perlin(
+ 0.5+(float)p2d.X/500, 0.5+(float)p2d.Y/500,
+ data->seed+59420, 3, 0.50);
+
+ bool have_sand = (sandnoise > -0.15);
+
+ if(have_sand == false)
+ continue;
+
+ // Find ground level
+ s16 surface_y = find_ground_level_clever(data->vmanip, p2d);
+
+ if(surface_y > WATER_LEVEL + 2)
+ continue;
+
+ {
+ v3s16 em = data->vmanip.m_area.getExtent();
+ s16 y_start = surface_y;
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y));
+ u32 not_sand_counter = 0;
+ for(s16 y=y_start; y>=y_nodes_min; y--)
+ {
+ MapNode *n = &data->vmanip.m_data[i];
+ if(n->d == CONTENT_MUD || n->d == CONTENT_GRASS)
+ {
+ n->d = CONTENT_SAND;
+ }
+ else
+ {
+ not_sand_counter++;
+ if(not_sand_counter > 3)
+ break;
+ }
+
+ data->vmanip.m_area.add_y(em, i, -1);
+ }
+ }
+
+ }
+
+ }//timer1
+#endif
+
+#if 1
+ {
+ // 1ms @cs=8
+ //TimeTaker timer1("generate trees");
+
+ /*
+ Generate some trees
+ */
+ {
+ // Divide area into parts
+ s16 div = 8;
+ s16 sidelen = data->sectorpos_base_size*MAP_BLOCKSIZE / div;
+ double area = sidelen * sidelen;
+ for(s16 x0=0; x0<div; x0++)
+ for(s16 z0=0; z0<div; z0++)
+ {
+ // Center position of part of division
+ v2s16 p2d_center(
+ data->sectorpos_base.X*MAP_BLOCKSIZE + sidelen/2 + sidelen*x0,
+ data->sectorpos_base.Y*MAP_BLOCKSIZE + sidelen/2 + sidelen*z0
+ );
+ // Minimum edge of part of division
+ v2s16 p2d_min(
+ data->sectorpos_base.X*MAP_BLOCKSIZE + sidelen*x0,
+ data->sectorpos_base.Y*MAP_BLOCKSIZE + sidelen*z0
+ );
+ // Maximum edge of part of division
+ v2s16 p2d_max(
+ data->sectorpos_base.X*MAP_BLOCKSIZE + sidelen + sidelen*x0 - 1,
+ data->sectorpos_base.Y*MAP_BLOCKSIZE + sidelen + sidelen*z0 - 1
+ );
+ // Amount of trees
+ u32 tree_count = area * tree_amount_2d(data->seed, p2d_center);
+ // Put trees in random places on part of division
+ for(u32 i=0; i<tree_count; i++)
+ {
+ s16 x = myrand_range(p2d_min.X, p2d_max.X);
+ s16 z = myrand_range(p2d_min.Y, p2d_max.Y);
+ s16 y = find_ground_level(data->vmanip, v2s16(x,z));
+ // Don't make a tree under water level
+ if(y < WATER_LEVEL)
+ continue;
+ // Don't make a tree so high that it doesn't fit
+ if(y > y_nodes_max - 6)
+ continue;
+ v3s16 p(x,y,z);
+ /*
+ Trees grow only on mud and grass
+ */
+ {
+ u32 i = data->vmanip.m_area.index(v3s16(p));
+ MapNode *n = &data->vmanip.m_data[i];
+ if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS)
+ continue;
+ }
+ p.Y++;
+ // Make a tree
+ make_tree(data->vmanip, p);
+ }
+ }
+ /*u32 tree_max = relative_area / 60;
+ //u32 count = myrand_range(0, tree_max);
+ for(u32 i=0; i<count; i++)
+ {
+ s16 x = myrand_range(0, data->sectorpos_base_size*MAP_BLOCKSIZE-1);
+ s16 z = myrand_range(0, data->sectorpos_base_size*MAP_BLOCKSIZE-1);
+ x += data->sectorpos_base.X*MAP_BLOCKSIZE;
+ z += data->sectorpos_base.Y*MAP_BLOCKSIZE;
+ s16 y = find_ground_level(data->vmanip, v2s16(x,z));
+ // Don't make a tree under water level
+ if(y < WATER_LEVEL)
+ continue;
+ v3s16 p(x,y+1,z);
+ // Make a tree
+ make_tree(data->vmanip, p);
+ }*/
+ }
+
+ }//timer1
+#endif
+
+#if 1
+ {
+ // 19ms @cs=8
+ //TimeTaker timer1("grow grass");
+
+ /*
+ Grow grass
+ */
+
+ /*for(s16 x=0-4; x<data->sectorpos_base_size*MAP_BLOCKSIZE+4; x++)
+ for(s16 z=0-4; z<data->sectorpos_base_size*MAP_BLOCKSIZE+4; z++)*/
+ for(s16 x=0-data->max_spread_amount;
+ x<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount;
+ x++)
+ for(s16 z=0-data->max_spread_amount;
+ z<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount;
+ z++)
+ {
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ /*
+ Find the lowest surface to which enough light ends up
+ to make grass grow.
+
+ Basically just wait until not air and not leaves.
+ */
+ s16 surface_y = 0;
+ {
+ v3s16 em = data->vmanip.m_area.getExtent();
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_nodes_max, p2d.Y));
+ s16 y;
+ // Go to ground level
+ for(y=y_nodes_max; y>=y_nodes_min; y--)
+ {
+ MapNode &n = data->vmanip.m_data[i];
+ if(n.d != CONTENT_AIR
+ && n.d != CONTENT_LEAVES)
+ break;
+ data->vmanip.m_area.add_y(em, i, -1);
+ }
+ if(y >= y_nodes_min)
+ surface_y = y;
+ else
+ surface_y = y_nodes_min;
+ }
+
+ u32 i = data->vmanip.m_area.index(p2d.X, surface_y, p2d.Y);
+ MapNode *n = &data->vmanip.m_data[i];
+ if(n->d == CONTENT_MUD)
+ n->d = CONTENT_GRASS;
+ }
+
+ }//timer1
+#endif
+
+#endif // Disable all but lighting
+
+ /*
+ Initial lighting (sunlight)
+ */
+
+ core::map<v3s16, bool> light_sources;
+
+ {
+ // 750ms @cs=8, can't optimize more
+ TimeTaker timer1("initial lighting");
+
+ // NOTE: This is no used... umm... for some reason!
+#if 0
+ /*
+ Go through the edges and add all nodes that have light to light_sources
+ */
+
+ // Four edges
+ for(s16 i=0; i<4; i++)
+ // Edge length
+ for(s16 j=lighting_min_d;
+ j<=lighting_max_d;
+ j++)
+ {
+ s16 x;
+ s16 z;
+ // +-X
+ if(i == 0 || i == 1)
+ {
+ x = (i==0) ? lighting_min_d : lighting_max_d;
+ if(i == 0)
+ z = lighting_min_d;
+ else
+ z = lighting_max_d;
+ }
+ // +-Z
+ else
+ {
+ z = (i==0) ? lighting_min_d : lighting_max_d;
+ if(i == 0)
+ x = lighting_min_d;
+ else
+ x = lighting_max_d;
+ }
+
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ {
+ v3s16 em = data->vmanip.m_area.getExtent();
+ s16 y_start = y_nodes_max;
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y));
+ for(s16 y=y_start; y>=y_nodes_min; y--)
+ {
+ MapNode *n = &data->vmanip.m_data[i];
+ if(n->getLight(LIGHTBANK_DAY) != 0)
+ {
+ light_sources.insert(v3s16(p2d.X, y, p2d.Y), true);
+ }
+ //NOTE: This is broken, at least the index has to
+ // be incremented
+ }
+ }
+ }
+#endif
+
+#if 1
+ /*
+ Go through the edges and apply sunlight to them, not caring
+ about neighbors
+ */
+
+ // Four edges
+ for(s16 i=0; i<4; i++)
+ // Edge length
+ for(s16 j=lighting_min_d;
+ j<=lighting_max_d;
+ j++)
+ {
+ s16 x;
+ s16 z;
+ // +-X
+ if(i == 0 || i == 1)
+ {
+ x = (i==0) ? lighting_min_d : lighting_max_d;
+ if(i == 0)
+ z = lighting_min_d;
+ else
+ z = lighting_max_d;
+ }
+ // +-Z
+ else
+ {
+ z = (i==0) ? lighting_min_d : lighting_max_d;
+ if(i == 0)
+ x = lighting_min_d;
+ else
+ x = lighting_max_d;
+ }
+
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ // Loop from top to down
+ {
+ u8 light = LIGHT_SUN;
+ v3s16 em = data->vmanip.m_area.getExtent();
+ s16 y_start = y_nodes_max;
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y));
+ for(s16 y=y_start; y>=y_nodes_min; y--)
+ {
+ MapNode *n = &data->vmanip.m_data[i];
+ if(light_propagates_content(n->d) == false)
+ {
+ light = 0;
+ }
+ else if(light != LIGHT_SUN
+ || sunlight_propagates_content(n->d) == false)
+ {
+ if(light > 0)
+ light--;
+ }
+
+ n->setLight(LIGHTBANK_DAY, light);
+ n->setLight(LIGHTBANK_NIGHT, 0);
+
+ if(light != 0)
+ {
+ // Insert light source
+ light_sources.insert(v3s16(p2d.X, y, p2d.Y), true);
+ }
+
+ // Increment index by y
+ data->vmanip.m_area.add_y(em, i, -1);
+ }
+ }
+ }
+#endif
+
+ /*for(s16 x=0; x<data->sectorpos_base_size*MAP_BLOCKSIZE; x++)
+ for(s16 z=0; z<data->sectorpos_base_size*MAP_BLOCKSIZE; z++)*/
+ /*for(s16 x=0-data->max_spread_amount+1;
+ x<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount-1;
+ x++)
+ for(s16 z=0-data->max_spread_amount+1;
+ z<data->sectorpos_base_size*MAP_BLOCKSIZE+data->max_spread_amount-1;
+ z++)*/
+#if 1
+ /*
+ This has to be 1 smaller than the actual area, because
+ neighboring nodes are checked.
+ */
+ for(s16 x=lighting_min_d+1;
+ x<=lighting_max_d-1;
+ x++)
+ for(s16 z=lighting_min_d+1;
+ z<=lighting_max_d-1;
+ z++)
+ {
+ // Node position in 2d
+ v2s16 p2d = data->sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z);
+
+ /*
+ Apply initial sunlight
+ */
+ {
+ u8 light = LIGHT_SUN;
+ bool add_to_sources = false;
+ v3s16 em = data->vmanip.m_area.getExtent();
+ s16 y_start = y_nodes_max;
+ u32 i = data->vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y));
+ for(s16 y=y_start; y>=y_nodes_min; y--)
+ {
+ MapNode *n = &data->vmanip.m_data[i];
+
+ if(light_propagates_content(n->d) == false)
+ {
+ light = 0;
+ }
+ else if(light != LIGHT_SUN
+ || sunlight_propagates_content(n->d) == false)
+ {
+ if(light > 0)
+ light--;
+ }
+
+ // This doesn't take much time
+ if(add_to_sources == false)
+ {
+ /*
+ Check sides. If side is not air or water, start
+ adding to light_sources.
+ */
+ v3s16 dirs4[4] = {
+ v3s16(0,0,1), // back
+ v3s16(1,0,0), // right
+ v3s16(0,0,-1), // front
+ v3s16(-1,0,0), // left
+ };
+ for(u32 di=0; di<4; di++)
+ {
+ v3s16 dirp = dirs4[di];
+ u32 i2 = i;
+ data->vmanip.m_area.add_p(em, i2, dirp);
+ MapNode *n2 = &data->vmanip.m_data[i2];
+ if(
+ n2->d != CONTENT_AIR
+ && n2->d != CONTENT_WATERSOURCE
+ && n2->d != CONTENT_WATER
+ ){
+ add_to_sources = true;
+ break;
+ }
+ }
+ }
+
+ n->setLight(LIGHTBANK_DAY, light);
+ n->setLight(LIGHTBANK_NIGHT, 0);
+
+ // This doesn't take much time
+ if(light != 0 && add_to_sources)
+ {
+ // Insert light source
+ light_sources.insert(v3s16(p2d.X, y, p2d.Y), true);
+ }
+
+ // Increment index by y
+ data->vmanip.m_area.add_y(em, i, -1);
+ }
+ }
+ }
+#endif
+
+ }//timer1
+
+ // Spread light around
+ {
+ TimeTaker timer("makeChunk() spreadLight");
+ data->vmanip.spreadLight(LIGHTBANK_DAY, light_sources);
+ }
+
+ /*
+ Generation ended
+ */
+
+ timer_generate.stop();
+}
+
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+//###################################################################
+
+void ServerMap::initChunkMake(ChunkMakeData &data, v2s16 chunkpos)
+{
+ if(m_chunksize == 0)
+ {
+ data.no_op = true;
+ return;
+ }
+
+ data.no_op = false;
+
+ // The distance how far into the neighbors the generator is allowed to go.
+ s16 max_spread_amount_sectors = 2;
+ assert(max_spread_amount_sectors <= m_chunksize);
+ s16 max_spread_amount = max_spread_amount_sectors * MAP_BLOCKSIZE;
+
+ s16 y_blocks_min = -4;
+ s16 y_blocks_max = 3;
+
+ v2s16 sectorpos_base = chunk_to_sector(chunkpos);
+ s16 sectorpos_base_size = m_chunksize;
+
+ v2s16 sectorpos_bigbase =
+ sectorpos_base - v2s16(1,1) * max_spread_amount_sectors;
+ s16 sectorpos_bigbase_size =
+ sectorpos_base_size + 2 * max_spread_amount_sectors;
+
+ data.seed = m_seed;
+ data.chunkpos = chunkpos;
+ data.y_blocks_min = y_blocks_min;
+ data.y_blocks_max = y_blocks_max;
+ data.sectorpos_base = sectorpos_base;
+ data.sectorpos_base_size = sectorpos_base_size;
+ data.sectorpos_bigbase = sectorpos_bigbase;
+ data.sectorpos_bigbase_size = sectorpos_bigbase_size;
+ data.max_spread_amount = max_spread_amount;
+
+ /*
+ Create the whole area of this and the neighboring chunks
+ */
+ {
+ TimeTaker timer("initChunkMake() create area");
+
+ for(s16 x=0; x<sectorpos_bigbase_size; x++)
+ for(s16 z=0; z<sectorpos_bigbase_size; z++)
+ {
+ v2s16 sectorpos = sectorpos_bigbase + v2s16(x,z);
+ ServerMapSector *sector = createSector(sectorpos);
+ assert(sector);
+
+ for(s16 y=y_blocks_min; y<=y_blocks_max; y++)
+ {
+ v3s16 blockpos(sectorpos.X, y, sectorpos.Y);
+ MapBlock *block = createBlock(blockpos);
+
+ // Lighting won't be calculated
+ //block->setLightingExpired(true);
+ // Lighting will be calculated
+ block->setLightingExpired(false);
+
+ /*
+ Block gets sunlight if this is true.
+
+ This should be set to true when the top side of a block
+ is completely exposed to the sky.
+
+ Actually this doesn't matter now because the
+ initial lighting is done here.
+ */
+ block->setIsUnderground(y != y_blocks_max);
+ }
+ }
+ }
+
+ /*
+ Now we have a big empty area.
+
+ Make a ManualMapVoxelManipulator that contains this and the
+ neighboring chunks
+ */
+
+ v3s16 bigarea_blocks_min(
+ sectorpos_bigbase.X,
+ y_blocks_min,
+ sectorpos_bigbase.Y
+ );
+ v3s16 bigarea_blocks_max(
+ sectorpos_bigbase.X + sectorpos_bigbase_size - 1,
+ y_blocks_max,
+ sectorpos_bigbase.Y + sectorpos_bigbase_size - 1
+ );
+
+ data.vmanip.setMap(this);
+ // Add the area
+ {
+ TimeTaker timer("initChunkMake() initialEmerge");
+ data.vmanip.initialEmerge(bigarea_blocks_min, bigarea_blocks_max);
+ }
+
+}
+
+MapChunk* ServerMap::finishChunkMake(ChunkMakeData &data,
+ core::map<v3s16, MapBlock*> &changed_blocks)
+{
+ if(data.no_op)
+ return NULL;
+
+ /*
+ Blit generated stuff to map
+ */
+ {
+ // 70ms @cs=8
+ //TimeTaker timer("generateChunkRaw() blitBackAll");
+ data.vmanip.blitBackAll(&changed_blocks);
+ }
+
+ /*
+ Update day/night difference cache of the MapBlocks
+ */
+ {
+ for(core::map<v3s16, MapBlock*>::Iterator i = changed_blocks.getIterator();
+ i.atEnd() == false; i++)
+ {
+ MapBlock *block = i.getNode()->getValue();
+ block->updateDayNightDiff();
+ }
+ }
+
+ /*
+ Copy transforming liquid information
+ */
+ while(data.transforming_liquid.size() > 0)
+ {
+ v3s16 p = data.transforming_liquid.pop_front();
+ m_transforming_liquid.push_back(p);
+ }
+
+ /*
+ Add random objects to blocks
+ */
+ {
+ for(s16 x=0; x<data.sectorpos_base_size; x++)
+ for(s16 z=0; z<data.sectorpos_base_size; z++)
+ {
+ v2s16 sectorpos = data.sectorpos_base + v2s16(x,z);
+ ServerMapSector *sector = createSector(sectorpos);
+ assert(sector);
+
+ for(s16 y=data.y_blocks_min; y<=data.y_blocks_max; y++)
+ {
+ v3s16 blockpos(sectorpos.X, y, sectorpos.Y);
+ MapBlock *block = createBlock(blockpos);
+ addRandomObjects(block);
+ }
+ }
+ }
+
+ /*
+ Create chunk metadata
+ */
+
+ for(s16 x=-1; x<=1; x++)
+ for(s16 y=-1; y<=1; y++)
+ {
+ v2s16 chunkpos0 = data.chunkpos + v2s16(x,y);
+ // Add chunk meta information
+ MapChunk *chunk = getChunk(chunkpos0);
+ if(chunk == NULL)
+ {
+ chunk = new MapChunk();
+ m_chunks.insert(chunkpos0, chunk);
+ }
+ //chunk->setIsVolatile(true);
+ if(chunk->getGenLevel() > GENERATED_PARTLY)
+ chunk->setGenLevel(GENERATED_PARTLY);
+ }
+
+ /*
+ Set central chunk non-volatile
+ */
+ MapChunk *chunk = getChunk(data.chunkpos);
+ assert(chunk);
+ // Set non-volatile
+ //chunk->setIsVolatile(false);
+ chunk->setGenLevel(GENERATED_FULLY);
+
+ /*
+ Save changed parts of map
+ */
+ save(true);
+
+ return chunk;
+}
+
+#if 0
+// NOTE: Deprecated
+MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
+ core::map<v3s16, MapBlock*> &changed_blocks,
+ bool force)
+{
+ DSTACK(__FUNCTION_NAME);
+
+ /*
+ Don't generate if already fully generated
+ */
+ if(force == false)
+ {
+ MapChunk *chunk = getChunk(chunkpos);
+ if(chunk != NULL && chunk->getGenLevel() == GENERATED_FULLY)
+ {
+ dstream<<"generateChunkRaw(): Chunk "
+ <<"("<<chunkpos.X<<","<<chunkpos.Y<<")"
+ <<" already generated"<<std::endl;
+ return chunk;
+ }
+ }
+
+ dstream<<"generateChunkRaw(): Generating chunk "
+ <<"("<<chunkpos.X<<","<<chunkpos.Y<<")"
+ <<std::endl;
+
+ TimeTaker timer("generateChunkRaw()");
+
+ ChunkMakeData data;
+
+ // Initialize generation
+ initChunkMake(data, chunkpos);
+
+ // Generate stuff
+ makeChunk(&data);
+
+ // Finalize generation
+ MapChunk *chunk = finishChunkMake(data, changed_blocks);
+
+ /*
+ Return central chunk (which was requested)
+ */
+ return chunk;
+}
+
+// NOTE: Deprecated
+MapChunk* ServerMap::generateChunk(v2s16 chunkpos1,
+ core::map<v3s16, MapBlock*> &changed_blocks)
+{
+ dstream<<"generateChunk(): Generating chunk "
+ <<"("<<chunkpos1.X<<","<<chunkpos1.Y<<")"
+ <<std::endl;
+
+ /*for(s16 x=-1; x<=1; x++)
+ for(s16 y=-1; y<=1; y++)*/
+ for(s16 x=-0; x<=0; x++)
+ for(s16 y=-0; y<=0; y++)
+ {
+ v2s16 chunkpos0 = chunkpos1 + v2s16(x,y);
+ MapChunk *chunk = getChunk(chunkpos0);
+ // Skip if already generated
+ if(chunk != NULL && chunk->getGenLevel() == GENERATED_FULLY)
+ continue;
+ generateChunkRaw(chunkpos0, changed_blocks);
+ }
+
+ assert(chunkNonVolatile(chunkpos1));
+
+ MapChunk *chunk = getChunk(chunkpos1);
+ return chunk;
+}
+#endif
+
+ServerMapSector * ServerMap::createSector(v2s16 p2d)
+{
+ DSTACK("%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)
+ {
+ ServerMapSector *sector = (ServerMapSector*)getSectorNoGenerateNoEx(p2d);
+ if(sector == NULL)
+ {
+ dstream<<"ServerMap::createSector(): loadSectorFull didn't make a sector"<<std::endl;
+ throw InvalidPositionException("");
+ }
+ return sector;
+ }
+
+ /*
+ 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);
+
+ // Sector position on map in nodes
+ v2s16 nodepos2d = p2d * MAP_BLOCKSIZE;
+
+ /*
+ Insert to container
+ */
+ m_sectors.insert(p2d, sector);
+
+ return sector;
+}
+
+#if 0
+MapSector * ServerMap::emergeSector(v2s16 p2d,
+ core::map<v3s16, MapBlock*> &changed_blocks)
+{
+ DSTACK("%s: p2d=(%d,%d)",
+ __FUNCTION_NAME,
+ p2d.X, p2d.Y);
+
+ /*
+ Check chunk status
+ */
+ v2s16 chunkpos = sector_to_chunk(p2d);
+ /*bool chunk_nonvolatile = false;
+ MapChunk *chunk = getChunk(chunkpos);
+ if(chunk && chunk->getIsVolatile() == false)
+ chunk_nonvolatile = true;*/
+ bool chunk_nonvolatile = chunkNonVolatile(chunkpos);
+
+ /*
+ If chunk is not fully generated, generate chunk
+ */
+ if(chunk_nonvolatile == false)
+ {
+ // Generate chunk and neighbors
+ generateChunk(chunkpos, changed_blocks);
+ }
+
+ /*
+ Return sector if it exists now
+ */
+ MapSector *sector = getSectorNoGenerateNoEx(p2d);
+ if(sector != NULL)
+ return sector;
+
+ /*
+ Try to load it from disk
+ */
+ if(loadSectorFull(p2d) == true)
+ {
+ MapSector *sector = getSectorNoGenerateNoEx(p2d);
+ if(sector == NULL)
+ {
+ dstream<<"ServerMap::emergeSector(): loadSectorFull didn't make a sector"<<std::endl;
+ throw InvalidPositionException("");
+ }
+ return sector;
+ }
+
+ /*
+ generateChunk should have generated the sector
+ */
+ //assert(0);
+
+ dstream<<"WARNING: ServerMap::emergeSector: Cannot find sector ("
+ <<p2d.X<<","<<p2d.Y<<" and chunk is already generated. "
+ <<std::endl;
+
+#if 0
+ dstream<<"WARNING: Creating an empty sector."<<std::endl;
+
+ return createSector(p2d);
+
+#endif
+
+#if 1
+ dstream<<"WARNING: Forcing regeneration of chunk."<<std::endl;
+
+ // Generate chunk
+ generateChunkRaw(chunkpos, changed_blocks, true);
+
+ /*
+ Return sector if it exists now
+ */
+ sector = getSectorNoGenerateNoEx(p2d);
+ if(sector != NULL)
+ return sector;
+
+ dstream<<"ERROR: Could not get sector from anywhere."<<std::endl;
+
+ assert(0);
+#endif
+
+ /*
+ Generate directly
+ */
+ //return generateSector();
+}
+#endif
+
+/*
+ NOTE: This is not used for main map generation, only for blocks
+ that are very high or low
+*/
+MapBlock * ServerMap::generateBlock(
+ v3s16 p,
+ MapBlock *original_dummy,
+ ServerMapSector *sector,
+ core::map<v3s16, MapBlock*> &changed_blocks,
+ core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
+)
+{
+ DSTACK("%s: p=(%d,%d,%d)",
+ __FUNCTION_NAME,
+ p.X, p.Y, p.Z);
+
+ // If chunks are disabled
+ /*if(m_chunksize == 0)
+ {
+ dstream<<"ServerMap::generateBlock(): Chunks disabled -> "
+ <<"not generating."<<std::endl;
+ return NULL;
+ }*/
+
+ /*dstream<<"generateBlock(): "
+ <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
+ <<std::endl;*/
+
+ MapBlock *block = original_dummy;
+
+ v2s16 p2d(p.X, p.Z);
+ s16 block_y = p.Y;
+ v2s16 p2d_nodes = p2d * MAP_BLOCKSIZE;
+
+ /*
+ Do not generate over-limit
+ */
+ if(blockpos_over_limit(p))
+ {
+ dstream<<__FUNCTION_NAME<<": Block position over limit"<<std::endl;
+ throw InvalidPositionException("generateBlock(): pos. over limit");
+ }
+
+ /*
+ If block doesn't exist, create one.
+ If it exists, it is a dummy. In that case unDummify() it.
+
+ NOTE: This already sets the map as the parent of the block
+ */
+ if(block == NULL)
+ {
+ block = sector->createBlankBlockNoInsert(block_y);
+ }
+ else
+ {
+ // Remove the block so that nobody can get a half-generated one.
+ sector->removeBlock(block);
+ // Allocate the block to contain the generated data
+ block->unDummify();
+ }
+
+#if 0
+ /*
+ Generate a completely empty 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.d = CONTENT_AIR;
+ block->setNode(v3s16(x0,y0,z0), n);
+ }
+ }
+#else
+ /*
+ Generate a proper block
+ */
+
+ u8 water_material = CONTENT_WATERSOURCE;
+
+ s32 lowest_ground_y = 32767;
+ s32 highest_ground_y = -32768;
+
+ for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
+ for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
+ {
+ //dstream<<"generateBlock: x0="<<x0<<", z0="<<z0<<std::endl;
+
+ //s16 surface_y = 0;
+
+ s16 mud_add_amount = get_mud_add_amount(m_seed, p2d_nodes+v2s16(x0,z0));
+
+ s16 surface_y = base_rock_level_2d(m_seed, p2d_nodes+v2s16(x0,z0))
+ + mud_add_amount;
+
+ /*// Less mud if it is high
+ if(surface_y >= 64)
+ {
+ mud_add_amount--;
+ surface_y--;
+ }*/
+
+ // If chunks are disabled
+ if(m_chunksize == 0)
+ surface_y = WATER_LEVEL + 1;
+
+ if(surface_y < lowest_ground_y)
+ lowest_ground_y = surface_y;
+ if(surface_y > highest_ground_y)
+ highest_ground_y = surface_y;
+
+ s32 surface_depth = AVERAGE_MUD_AMOUNT;
+
+ for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
+ {
+ s16 real_y = block_y * MAP_BLOCKSIZE + y0;
+ MapNode n;
+ /*
+ Calculate lighting
+
+ NOTE: If there are some man-made structures above the
+ newly created block, they won't be taken into account.
+ */
+ if(real_y > surface_y)
+ n.setLight(LIGHTBANK_DAY, LIGHT_SUN);
+
+ /*
+ Calculate material
+ */
+
+ // If node is over heightmap y, it's air or water
+ if(real_y > surface_y)
+ {
+ // If under water level, it's water
+ if(real_y < WATER_LEVEL)
+ {
+ n.d = water_material;
+ n.setLight(LIGHTBANK_DAY,
+ diminish_light(LIGHT_SUN, WATER_LEVEL-real_y+1));
+ /*
+ Add to transforming liquid queue (in case it'd
+ start flowing)
+ */
+ v3s16 real_pos = v3s16(x0,y0,z0) + p*MAP_BLOCKSIZE;
+ m_transforming_liquid.push_back(real_pos);
+ }
+ // else air
+ else
+ n.d = CONTENT_AIR;
+ }
+ // Else it's ground or caves (air)
+ else
+ {
+ // If it's cave, it's cave
+ if(is_cave(m_seed, block->getPosRelative()+v3s16(x0,y0,z0)))
+ {
+ n.d = CONTENT_AIR;
+ }
+ // If it's surface_depth under ground, it's stone
+ else if(real_y <= surface_y - surface_depth)
+ {
+ n.d = CONTENT_STONE;
+ }
+ else
+ {
+ // It is mud if it is under the first ground
+ // level or under water
+ if(real_y < WATER_LEVEL || real_y <= surface_y - 1)
+ {
+ n.d = CONTENT_MUD;
+ }
+ else
+ {
+ n.d = CONTENT_GRASS;
+ }
+
+ //n.d = CONTENT_MUD;
+
+ /*// If under water level, it's mud
+ if(real_y < WATER_LEVEL)
+ n.d = CONTENT_MUD;
+ // Only the topmost node is grass
+ else if(real_y <= surface_y - 1)
+ n.d = CONTENT_MUD;
+ else
+ n.d = CONTENT_GRASS;*/
+ }
+ }
+
+ block->setNode(v3s16(x0,y0,z0), n);
+ }
+ }
+
+ /*
+ Calculate some helper variables
+ */
+
+ // Completely underground if the highest part of block is under lowest
+ // ground height.
+ // This has to be very sure; it's probably one too strict now but
+ // that's just better.
+ bool completely_underground =
+ block_y * MAP_BLOCKSIZE + MAP_BLOCKSIZE < lowest_ground_y;
+
+ bool some_part_underground = block_y * MAP_BLOCKSIZE <= highest_ground_y;
+
+ bool mostly_underwater_surface = false;
+ if(highest_ground_y < WATER_LEVEL
+ && some_part_underground && !completely_underground)
+ mostly_underwater_surface = true;
+
+#if 0
+ /*
+ Generate caves
+ */
+
+ float caves_amount = 0.5;
+
+ // Initialize temporary table
+ const s32 ued = MAP_BLOCKSIZE;
+ bool underground_emptiness[ued*ued*ued];
+ for(s32 i=0; i<ued*ued*ued; i++)
+ {
+ underground_emptiness[i] = 0;
+ }
+
+ // Fill table
+#if 1
+ {
+ /*
+ Initialize orp and ors. Try to find if some neighboring
+ MapBlock has a tunnel ended in its side
+ */
+
+ v3f orp(
+ (float)(myrand()%ued)+0.5,
+ (float)(myrand()%ued)+0.5,
+ (float)(myrand()%ued)+0.5
+ );
+
+ bool found_existing = false;
+
+ // Check z-
+ try
+ {
+ s16 z = -1;
+ for(s16 y=0; y<ued; y++)
+ for(s16 x=0; x<ued; x++)
+ {
+ v3s16 ap = v3s16(x,y,z) + block->getPosRelative();
+ if(getNode(ap).d == CONTENT_AIR)
+ {
+ orp = v3f(x+1,y+1,0);
+ found_existing = true;
+ goto continue_generating;
+ }
+ }
+ }
+ catch(InvalidPositionException &e){}
+
+ // Check z+
+ try
+ {
+ s16 z = ued;
+ for(s16 y=0; y<ued; y++)
+ for(s16 x=0; x<ued; x++)
+ {
+ v3s16 ap = v3s16(x,y,z) + block->getPosRelative();
+ if(getNode(ap).d == CONTENT_AIR)
+ {
+ orp = v3f(x+1,y+1,ued-1);
+ found_existing = true;
+ goto continue_generating;
+ }
+ }
+ }
+ catch(InvalidPositionException &e){}
+
+ // Check x-
+ try
+ {
+ s16 x = -1;
+ for(s16 y=0; y<ued; y++)
+ for(s16 z=0; z<ued; z++)
+ {
+ v3s16 ap = v3s16(x,y,z) + block->getPosRelative();
+ if(getNode(ap).d == CONTENT_AIR)
+ {
+ orp = v3f(0,y+1,z+1);
+ found_existing = true;
+ goto continue_generating;
+ }
+ }
+ }
+ catch(InvalidPositionException &e){}
+
+ // Check x+
+ try
+ {
+ s16 x = ued;
+ for(s16 y=0; y<ued; y++)
+ for(s16 z=0; z<ued; z++)
+ {
+ v3s16 ap = v3s16(x,y,z) + block->getPosRelative();
+ if(getNode(ap).d == CONTENT_AIR)
+ {
+ orp = v3f(ued-1,y+1,z+1);
+ found_existing = true;
+ goto continue_generating;
+ }
+ }
+ }
+ catch(InvalidPositionException &e){}
+
+ // Check y-
+ try
+ {
+ s16 y = -1;
+ for(s16 x=0; x<ued; x++)
+ for(s16 z=0; z<ued; z++)
+ {
+ v3s16 ap = v3s16(x,y,z) + block->getPosRelative();
+ if(getNode(ap).d == CONTENT_AIR)
+ {
+ orp = v3f(x+1,0,z+1);
+ found_existing = true;
+ goto continue_generating;
+ }
+ }
+ }
+ catch(InvalidPositionException &e){}
+
+ // Check y+
+ try
+ {
+ s16 y = ued;
+ for(s16 x=0; x<ued; x++)
+ for(s16 z=0; z<ued; z++)
+ {
+ v3s16 ap = v3s16(x,y,z) + block->getPosRelative();
+ if(getNode(ap).d == CONTENT_AIR)
+ {
+ orp = v3f(x+1,ued-1,z+1);
+ found_existing = true;
+ goto continue_generating;
+ }
+ }
+ }
+ catch(InvalidPositionException &e){}
+
+continue_generating:
+
+ /*
+ Choose whether to actually generate cave
+ */
+ bool do_generate_caves = true;
+ // Don't generate if no part is underground
+ if(!some_part_underground)
+ {
+ do_generate_caves = false;
+ }
+ // Don't generate if mostly underwater surface
+ /*else if(mostly_underwater_surface)
+ {
+ do_generate_caves = false;
+ }*/
+ // Partly underground = cave
+ else if(!completely_underground)
+ {
+ do_generate_caves = (rand() % 100 <= (s32)(caves_amount*100));
+ }
+ // Found existing cave underground
+ else if(found_existing && completely_underground)
+ {
+ do_generate_caves = (rand() % 100 <= (s32)(caves_amount*100));
+ }
+ // Underground and no caves found
+ else
+ {
+ do_generate_caves = (rand() % 300 <= (s32)(caves_amount*100));
+ }
+
+ if(do_generate_caves)
+ {
+ /*
+ Generate some tunnel starting from orp and ors
+ */
+ for(u16 i=0; i<3; i++)
+ {
+ v3f rp(
+ (float)(myrand()%ued)+0.5,
+ (float)(myrand()%ued)+0.5,
+ (float)(myrand()%ued)+0.5
+ );
+ s16 min_d = 0;
+ s16 max_d = 4;
+ s16 rs = (myrand()%(max_d-min_d+1))+min_d;
+
+ v3f vec = rp - orp;
+
+ for(float f=0; f<1.0; f+=0.04)
+ {
+ v3f fp = orp + vec * f;
+ v3s16 cp(fp.X, fp.Y, fp.Z);
+ s16 d0 = -rs/2;
+ s16 d1 = d0 + rs - 1;
+ for(s16 z0=d0; z0<=d1; z0++)
+ {
+ s16 si = rs - abs(z0);
+ for(s16 x0=-si; x0<=si-1; x0++)
+ {
+ s16 si2 = rs - abs(x0);
+ for(s16 y0=-si2+1; y0<=si2-1; y0++)
+ {
+ s16 z = cp.Z + z0;
+ s16 y = cp.Y + y0;
+ s16 x = cp.X + x0;
+ v3s16 p(x,y,z);
+ if(isInArea(p, ued) == false)
+ continue;
+ underground_emptiness[ued*ued*z + ued*y + x] = 1;
+ }
+ }
+ }
+ }
+
+ orp = rp;
+ }
+ }
+ }
+#endif
+
+ // Set to true if has caves.
+ // Set when some non-air is changed to air when making caves.
+ bool has_caves = false;
+
+ /*
+ Apply temporary cave data to 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 = block->getNode(v3s16(x0,y0,z0));
+
+ // Create caves
+ if(underground_emptiness[
+ ued*ued*(z0*ued/MAP_BLOCKSIZE)
+ +ued*(y0*ued/MAP_BLOCKSIZE)
+ +(x0*ued/MAP_BLOCKSIZE)])
+ {
+ if(content_features(n.d).walkable/*is_ground_content(n.d)*/)
+ {
+ // Has now caves
+ has_caves = true;
+ // Set air to node
+ n.d = CONTENT_AIR;
+ }
+ }
+
+ block->setNode(v3s16(x0,y0,z0), n);
+ }
+ }
+#endif
+
+ /*
+ This is used for guessing whether or not the block should
+ receive sunlight from the top if the block above doesn't exist
+ */
+ block->setIsUnderground(completely_underground);
+
+ /*
+ Force lighting update if some part of block is partly
+ underground and has caves.
+ */
+ /*if(some_part_underground && !completely_underground && has_caves)
+ {
+ //dstream<<"Half-ground caves"<<std::endl;
+ lighting_invalidated_blocks[block->getPos()] = block;
+ }*/
+
+ // DEBUG: Always update lighting
+ //lighting_invalidated_blocks[block->getPos()] = block;
+
+ /*
+ Add some minerals
+ */
+
+ if(some_part_underground)
+ {
+ s16 underground_level = (lowest_ground_y/MAP_BLOCKSIZE - block_y)+1;
+
+ /*
+ Add meseblocks
+ */
+ for(s16 i=0; i<underground_level/4 + 1; i++)
+ {
+ if(myrand()%50 == 0)
+ {
+ v3s16 cp(
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1
+ );
+
+ MapNode n;
+ n.d = CONTENT_MESE;
+
+ for(u16 i=0; i<27; i++)
+ {
+ if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE)
+ if(myrand()%8 == 0)
+ block->setNode(cp+g_27dirs[i], n);
+ }
+ }
+ }
+
+ /*
+ Add coal
+ */
+ u16 coal_amount = 30;
+ u16 coal_rareness = 60 / coal_amount;
+ if(coal_rareness == 0)
+ coal_rareness = 1;
+ if(myrand()%coal_rareness == 0)
+ {
+ u16 a = myrand() % 16;
+ u16 amount = coal_amount * a*a*a / 1000;
+ for(s16 i=0; i<amount; i++)
+ {
+ v3s16 cp(
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1
+ );
+
+ MapNode n;
+ n.d = CONTENT_STONE;
+ n.param = MINERAL_COAL;
+
+ for(u16 i=0; i<27; i++)
+ {
+ if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE)
+ if(myrand()%8 == 0)
+ block->setNode(cp+g_27dirs[i], n);
+ }
+ }
+ }
+
+ /*
+ Add iron
+ */
+ //TODO: change to iron_amount or whatever
+ u16 iron_amount = 15;
+ u16 iron_rareness = 60 / iron_amount;
+ if(iron_rareness == 0)
+ iron_rareness = 1;
+ if(myrand()%iron_rareness == 0)
+ {
+ u16 a = myrand() % 16;
+ u16 amount = iron_amount * a*a*a / 1000;
+ for(s16 i=0; i<amount; i++)
+ {
+ v3s16 cp(
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1
+ );
+
+ MapNode n;
+ n.d = CONTENT_STONE;
+ n.param = MINERAL_IRON;
+
+ for(u16 i=0; i<27; i++)
+ {
+ if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE)
+ if(myrand()%8 == 0)
+ block->setNode(cp+g_27dirs[i], n);
+ }
+ }
+ }
+ }
+
+ /*
+ Create a few rats in empty blocks underground
+ */
+ if(completely_underground)
+ {
+ //for(u16 i=0; i<2; i++)
+ {
+ v3s16 cp(
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1,
+ (myrand()%(MAP_BLOCKSIZE-2))+1
+ );
+
+ // Check that the place is empty
+ //if(!is_ground_content(block->getNode(cp).d))
+ if(1)
+ {
+ RatObject *obj = new RatObject(NULL, -1, intToFloat(cp, BS));
+ block->addObject(obj);
+ }
+ }
+ }
+
+#endif // end of proper block generation
+
+ /*
+ Add block to sector.
+ */
+ sector->insertBlock(block);
+
+ // Lighting is invalid after generation.
+ block->setLightingExpired(true);
+
+#if 0
+ /*
+ Debug information
+ */
+ dstream
+ <<"lighting_invalidated_blocks.size()"
+ <<", has_caves"
+ <<", completely_ug"
+ <<", some_part_ug"
+ <<" "<<lighting_invalidated_blocks.size()
+ <<", "<<has_caves
+ <<", "<<completely_underground
+ <<", "<<some_part_underground
+ <<std::endl;
+#endif
+
+ return block;
+}
+
+MapBlock * ServerMap::createBlock(v3s16 p)
+{
+ DSTACK("%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)
+ {
+ dstream<<"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)
+ {
+ dstream<<"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)
+ return block;
+ // Create blank
+ block = sector->createBlankBlock(block_y);
+ return block;
+}
+
+MapBlock * ServerMap::emergeBlock(
+ v3s16 p,
+ bool only_from_disk,
+ core::map<v3s16, MapBlock*> &changed_blocks,
+ core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
+)
+{
+ DSTACK("%s: p=(%d,%d,%d), only_from_disk=%d",
+ __FUNCTION_NAME,
+ p.X, p.Y, p.Z, only_from_disk);
+
+ /*
+ Do not generate 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("emergeBlock(): 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.
+ */
+ ServerMapSector *sector;
+ try{
+ sector = (ServerMapSector*)emergeSector(p2d, changed_blocks);
+ assert(sector->getId() == MAPSECTOR_SERVER);
+ }
+ catch(InvalidPositionException &e)
+ {
+ dstream<<"emergeBlock: emergeSector() failed: "
+ <<e.what()<<std::endl;
+ dstream<<"Path to failed sector: "<<getSectorDir(p2d)
+ <<std::endl
+ <<"You could try to delete it."<<std::endl;
+ throw e;
+ }
+ catch(VersionMismatchException &e)
+ {
+ dstream<<"emergeBlock: emergeSector() failed: "
+ <<e.what()<<std::endl;
+ dstream<<"Path to failed sector: "<<getSectorDir(p2d)
+ <<std::endl
+ <<"You could try to delete it."<<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)
+ {
+ dstream<<"emergeBlock: emergeSector() failed: "
+ <<e.what()<<std::endl;
+ dstream<<"Path to failed sector: "<<getSectorDir(p2d)
+ <<std::endl
+ <<"You could try to delete it."<<std::endl;
+ throw e;
+ }*/
+
+ /*
+ Try to get a block from the sector
+ */
+
+ bool does_not_exist = false;
+ bool lighting_expired = false;
+ MapBlock *block = sector->getBlockNoCreateNoEx(block_y);
+
+ if(block == NULL)
+ {
+ does_not_exist = true;
+ }
+ else if(block->isDummy() == true)
+ {
+ does_not_exist = true;
+ }
+ else if(block->getLightingExpired())
+ {
+ lighting_expired = true;
+ }
+ else
+ {
+ // Valid block
+ //dstream<<"emergeBlock(): Returning already valid block"<<std::endl;
+ return block;
+ }
+
+ /*
+ If block was not found on disk and not going to generate a
+ new one, make sure there is a dummy block in place.
+ */
+ if(only_from_disk && (does_not_exist || lighting_expired))
+ {
+ //dstream<<"emergeBlock(): Was not on disk but not generating"<<std::endl;
+
+ if(block == NULL)
+ {
+ // Create dummy block
+ block = new MapBlock(this, p, true);
+
+ // Add block to sector
+ sector->insertBlock(block);
+ }
+ // Done.
+ return block;
+ }
+
+ //dstream<<"Not found on disk, generating."<<std::endl;
+ // 0ms
+ //TimeTaker("emergeBlock() generate");
+
+ //dstream<<"emergeBlock(): Didn't find valid block -> making one"<<std::endl;
+
+ /*
+ If the block doesn't exist, generate the block.
+ */
+ if(does_not_exist)
+ {
+ block = generateBlock(p, block, sector, changed_blocks,
+ lighting_invalidated_blocks);
+ }
+
+ if(lighting_expired)
+ {
+ lighting_invalidated_blocks.insert(p, block);
+ }
+
+ /*
+ Initially update sunlight
+ */
+
+ {
+ core::map<v3s16, bool> light_sources;
+ bool black_air_left = false;
+ bool bottom_invalid =
+ block->propagateSunlight(light_sources, true,
+ &black_air_left, true);
+
+ // If sunlight didn't reach everywhere and part of block is
+ // above ground, lighting has to be properly updated
+ //if(black_air_left && some_part_underground)
+ if(black_air_left)
+ {
+ lighting_invalidated_blocks[block->getPos()] = block;
+ }
+
+ if(bottom_invalid)
+ {
+ lighting_invalidated_blocks[block->getPos()] = block;
+ }
+ }
+
+ return block;
+}
+
+s16 ServerMap::findGroundLevel(v2s16 p2d)
+{
+ /*
+ 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.d != CONTENT_IGNORE)
+ break;
+ }
+ if(p.Y == min)
+ goto plan_b;
+ // If this node is not air, go to plan b
+ if(getNodeNoEx(p).d != 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.d != CONTENT_IGNORE)
+ return p.Y;
+ }
+ // Move to plan b
+plan_b:
+ /*
+ Plan B: Get from map generator perlin noise function
+ */
+ // This won't work if proper generation is disabled
+ if(m_chunksize == 0)
+ return WATER_LEVEL+2;
+ double level = base_rock_level_2d(m_seed, p2d) + AVERAGE_MUD_AMOUNT;
+ return (s16)level;
+}
+
+void ServerMap::createDir(std::string path)
+{
+ if(fs::CreateDir(path) == false)
+ {
+ m_dout<<DTIME<<"ServerMap: Failed to create directory "
+ <<"\""<<path<<"\""<<std::endl;
+ throw BaseException("ServerMap failed to create directory");
+ }
+}
+
+std::string ServerMap::getSectorSubDir(v2s16 pos)
+{
+ char cc[9];
+ snprintf(cc, 9, "%.4x%.4x",
+ (unsigned int)pos.X&0xffff,
+ (unsigned int)pos.Y&0xffff);
+
+ return std::string(cc);
+}
+
+std::string ServerMap::getSectorDir(v2s16 pos)
+{
+ return m_savedir + "/sectors/" + getSectorSubDir(pos);
+}
+
+v2s16 ServerMap::getSectorPos(std::string dirname)
+{
+ if(dirname.size() != 8)
+ throw InvalidFilenameException("Invalid sector directory name");
+ unsigned int x, y;
+ int r = sscanf(dirname.c_str(), "%4x%4x", &x, &y);
+ if(r != 2)
+ throw InvalidFilenameException("Invalid sector directory name");
+ 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);
+}
+
+void ServerMap::save(bool only_changed)
+{
+ DSTACK(__FUNCTION_NAME);
+ if(m_map_saving_enabled == false)
+ {
+ dstream<<DTIME<<"WARNING: Not saving map, saving disabled."<<std::endl;
+ return;
+ }
+
+ if(only_changed == false)
+ dstream<<DTIME<<"ServerMap: Saving whole map, this can take time."
+ <<std::endl;
+
+ if(only_changed == false || m_map_metadata_changed)
+ {
+ saveMapMeta();
+ }
+
+ // Disable saving chunk metadata if chunks are disabled
+ if(m_chunksize != 0)
+ {
+ if(only_changed == false || anyChunkModified())
+ saveChunkMeta();
+ }
+
+ u32 sector_meta_count = 0;
+ u32 block_count = 0;
+
+ { //sectorlock
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+
+ core::map<v2s16, MapSector*>::Iterator i = m_sectors.getIterator();
+ for(; i.atEnd() == false; i++)
+ {
+ ServerMapSector *sector = (ServerMapSector*)i.getNode()->getValue();
+ assert(sector->getId() == MAPSECTOR_SERVER);
+
+ if(sector->differs_from_disk || only_changed == false)
+ {
+ saveSectorMeta(sector);
+ sector_meta_count++;
+ }
+ core::list<MapBlock*> blocks;
+ sector->getBlocks(blocks);
+ core::list<MapBlock*>::Iterator j;
+ for(j=blocks.begin(); j!=blocks.end(); j++)
+ {
+ MapBlock *block = *j;
+ if(block->getChangedFlag() || only_changed == false)
+ {
+ saveBlock(block);
+ block_count++;
+
+ /*dstream<<"ServerMap: Written block ("
+ <<block->getPos().X<<","
+ <<block->getPos().Y<<","
+ <<block->getPos().Z<<")"
+ <<std::endl;*/
+ }
+ }
+ }
+
+ }//sectorlock
+
+ /*
+ Only print if something happened or saved whole map
+ */
+ if(only_changed == false || sector_meta_count != 0
+ || block_count != 0)
+ {
+ dstream<<DTIME<<"ServerMap: Written: "
+ <<sector_meta_count<<" sector metadata files, "
+ <<block_count<<" block files"
+ <<std::endl;
+ }
+}
+
+#if 0
+// NOTE: Doing this is insane. Deprecated and probably broken.
+void ServerMap::loadAll()
+{
+ DSTACK(__FUNCTION_NAME);
+ dstream<<DTIME<<"ServerMap: Loading map..."<<std::endl;
+
+ loadMapMeta();
+ loadChunkMeta();
+
+ std::vector<fs::DirListNode> list = fs::GetDirListing(m_savedir+"/sectors/");
+
+ dstream<<DTIME<<"There are "<<list.size()<<" sectors."<<std::endl;
+
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+
+ s32 counter = 0;
+ s32 printed_counter = -100000;
+ s32 count = list.size();
+
+ std::vector<fs::DirListNode>::iterator i;
+ for(i=list.begin(); i!=list.end(); i++)
+ {
+ if(counter > printed_counter + 10)
+ {
+ dstream<<DTIME<<counter<<"/"<<count<<std::endl;
+ printed_counter = counter;
+ }
+ counter++;
+
+ MapSector *sector = NULL;
+
+ // We want directories
+ if(i->dir == false)
+ continue;
+ try{
+ sector = loadSectorMeta(i->name);
+ }
+ catch(InvalidFilenameException &e)
+ {
+ // This catches unknown crap in directory
+ }
+
+ std::vector<fs::DirListNode> list2 = fs::GetDirListing
+ (m_savedir+"/sectors/"+i->name);
+ std::vector<fs::DirListNode>::iterator i2;
+ for(i2=list2.begin(); i2!=list2.end(); i2++)
+ {
+ // We want files
+ if(i2->dir)
+ continue;
+ try{
+ loadBlock(i->name, i2->name, sector);
+ }
+ catch(InvalidFilenameException &e)
+ {
+ // This catches unknown crap in directory
+ }
+ }
+ }
+ dstream<<DTIME<<"ServerMap: Map loaded."<<std::endl;
+}
+#endif
+
+#if 0
+void ServerMap::saveMasterHeightmap()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"DEPRECATED: "<<__FUNCTION_NAME<<std::endl;
+
+ createDir(m_savedir);
+
+ /*std::string fullpath = m_savedir + "/master_heightmap";
+ std::ofstream o(fullpath.c_str(), std::ios_base::binary);
+ if(o.good() == false)
+ throw FileNotGoodException("Cannot open master heightmap");*/
+
+ // Format used for writing
+ //u8 version = SER_FMT_VER_HIGHEST;
+}
+
+void ServerMap::loadMasterHeightmap()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"DEPRECATED: "<<__FUNCTION_NAME<<std::endl;
+
+ /*std::string fullpath = m_savedir + "/master_heightmap";
+ std::ifstream is(fullpath.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ throw FileNotGoodException("Cannot open master heightmap");*/
+}
+#endif
+
+void ServerMap::saveMapMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"INFO: ServerMap::saveMapMeta(): "
+ <<"seed="<<m_seed<<", chunksize="<<m_chunksize
+ <<std::endl;
+
+ createDir(m_savedir);
+
+ std::string fullpath = m_savedir + "/map_meta.txt";
+ std::ofstream os(fullpath.c_str(), std::ios_base::binary);
+ if(os.good() == false)
+ {
+ dstream<<"ERROR: ServerMap::saveMapMeta(): "
+ <<"could not open"<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot open chunk metadata");
+ }
+
+ Settings params;
+ params.setU64("seed", m_seed);
+ params.setS32("chunksize", m_chunksize);
+
+ params.writeLines(os);
+
+ os<<"[end_of_params]\n";
+
+ m_map_metadata_changed = false;
+}
+
+void ServerMap::loadMapMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"INFO: ServerMap::loadMapMeta(): Loading map metadata"
+ <<std::endl;
+
+ std::string fullpath = m_savedir + "/map_meta.txt";
+ std::ifstream is(fullpath.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"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_seed = params.getU64("seed");
+ m_chunksize = params.getS32("chunksize");
+
+ dstream<<"INFO: ServerMap::loadMapMeta(): "
+ <<"seed="<<m_seed<<", chunksize="<<m_chunksize
+ <<std::endl;
+}
+
+void ServerMap::saveChunkMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ // This should not be called if chunks are disabled.
+ assert(m_chunksize != 0);
+
+ u32 count = m_chunks.size();
+
+ dstream<<"INFO: ServerMap::saveChunkMeta(): Saving metadata of "
+ <<count<<" chunks"<<std::endl;
+
+ createDir(m_savedir);
+
+ std::string fullpath = m_savedir + "/chunk_meta";
+ std::ofstream os(fullpath.c_str(), std::ios_base::binary);
+ if(os.good() == false)
+ {
+ dstream<<"ERROR: ServerMap::saveChunkMeta(): "
+ <<"could not open"<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot open chunk metadata");
+ }
+
+ u8 version = 0;
+
+ // Write version
+ os.write((char*)&version, 1);
+
+ u8 buf[4];
+
+ // Write count
+ writeU32(buf, count);
+ os.write((char*)buf, 4);
+
+ for(core::map<v2s16, MapChunk*>::Iterator
+ i = m_chunks.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v2s16 p = i.getNode()->getKey();
+ MapChunk *chunk = i.getNode()->getValue();
+ // Write position
+ writeV2S16(buf, p);
+ os.write((char*)buf, 4);
+ // Write chunk data
+ chunk->serialize(os, version);
+ }
+
+ setChunksNonModified();
+}
+
+void ServerMap::loadChunkMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"INFO: ServerMap::loadChunkMeta(): Loading chunk metadata"
+ <<std::endl;
+
+ std::string fullpath = m_savedir + "/chunk_meta";
+ std::ifstream is(fullpath.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"ERROR: ServerMap::loadChunkMeta(): "
+ <<"could not open"<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot open chunk metadata");
+ }
+
+ u8 version = 0;
+
+ // Read version
+ is.read((char*)&version, 1);
+
+ u8 buf[4];
+
+ // Read count
+ is.read((char*)buf, 4);
+ u32 count = readU32(buf);
+
+ dstream<<"INFO: ServerMap::loadChunkMeta(): Loading metadata of "
+ <<count<<" chunks"<<std::endl;
+
+ for(u32 i=0; i<count; i++)
+ {
+ v2s16 p;
+ MapChunk *chunk = new MapChunk();
+ // Read position
+ is.read((char*)buf, 4);
+ p = readV2S16(buf);
+ // Read chunk data
+ chunk->deSerialize(is, version);
+ m_chunks.insert(p, chunk);
+ }
+}
+
+void ServerMap::saveSectorMeta(ServerMapSector *sector)
+{
+ DSTACK(__FUNCTION_NAME);
+ // Format used for writing
+ u8 version = SER_FMT_VER_HIGHEST;
+ // Get destination
+ v2s16 pos = sector->getPos();
+ createDir(m_savedir);
+ createDir(m_savedir+"/sectors");
+ std::string dir = getSectorDir(pos);
+ createDir(dir);
+
+ std::string fullpath = dir + "/meta";
+ std::ofstream o(fullpath.c_str(), std::ios_base::binary);
+ if(o.good() == false)
+ throw FileNotGoodException("Cannot open sector metafile");
+
+ sector->serialize(o, version);
+
+ sector->differs_from_disk = false;
+}
+
+MapSector* ServerMap::loadSectorMeta(std::string dirname)
+{
+ DSTACK(__FUNCTION_NAME);
+ // Get destination
+ v2s16 p2d = getSectorPos(dirname);
+ std::string dir = m_savedir + "/sectors/" + dirname;
+
+ ServerMapSector *sector = NULL;
+
+ std::string fullpath = dir + "/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(dir))
+ {
+ dstream<<"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_sectors.insert(p2d, sector);
+ }
+ else
+ throw FileNotGoodException("Cannot open sector metafile");
+ }
+ else
+ {
+ sector = ServerMapSector::deSerialize
+ (is, this, p2d, m_sectors);
+ }
+
+ sector->differs_from_disk = false;
+
+ return sector;
+}
+
+bool ServerMap::loadSectorFull(v2s16 p2d)
+{
+ DSTACK(__FUNCTION_NAME);
+ std::string sectorsubdir = getSectorSubDir(p2d);
+
+ MapSector *sector = NULL;
+
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+
+ try{
+ sector = loadSectorMeta(sectorsubdir);
+ }
+ 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
+ (m_savedir+"/sectors/"+sectorsubdir);
+ std::vector<fs::DirListNode>::iterator i2;
+ for(i2=list2.begin(); i2!=list2.end(); i2++)
+ {
+ // We want files
+ if(i2->dir)
+ continue;
+ try{
+ loadBlock(sectorsubdir, i2->name, sector);
+ }
+ catch(InvalidFilenameException &e)
+ {
+ // This catches unknown crap in directory
+ }
+ }
+ return true;
+}
+
+void ServerMap::saveBlock(MapBlock *block)
+{
+ DSTACK(__FUNCTION_NAME);
+ /*
+ Dummy blocks are not written
+ */
+ if(block->isDummy())
+ {
+ /*v3s16 p = block->getPos();
+ dstream<<"ServerMap::saveBlock(): WARNING: Not writing dummy block "
+ <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
+ return;
+ }
+
+ // Format used for writing
+ u8 version = SER_FMT_VER_HIGHEST;
+ // Get destination
+ v3s16 p3d = block->getPos();
+ v2s16 p2d(p3d.X, p3d.Z);
+ createDir(m_savedir);
+ createDir(m_savedir+"/sectors");
+ std::string dir = getSectorDir(p2d);
+ createDir(dir);
+
+ // Block file is map/sectors/xxxxxxxx/xxxx
+ char cc[5];
+ snprintf(cc, 5, "%.4x", (unsigned int)p3d.Y&0xffff);
+ std::string fullpath = dir + "/" + cc;
+ std::ofstream o(fullpath.c_str(), std::ios_base::binary);
+ if(o.good() == false)
+ throw FileNotGoodException("Cannot open block data");
+
+ /*
+ [0] u8 serialization version
+ [1] data
+ */
+ o.write((char*)&version, 1);
+
+ block->serialize(o, version);
+
+ /*
+ Versions up from 9 have block objects.
+ */
+ if(version >= 9)
+ {
+ block->serializeObjects(o, version);
+ }
+
+ /*
+ Versions up from 15 have static objects.
+ */
+ if(version >= 15)
+ {
+ block->m_static_objects.serialize(o);
+ }
+
+ // We just wrote it to the disk
+ block->resetChangedFlag();
+}
+
+void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSector *sector)
+{
+ DSTACK(__FUNCTION_NAME);
+
+ // Block file is map/sectors/xxxxxxxx/xxxx
+ std::string fullpath = m_savedir+"/sectors/"+sectordir+"/"+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;
+ try{
+ block = sector->getBlockNoCreate(p3d.Y);
+ }
+ catch(InvalidPositionException &e)
+ {
+ block = sector->createBlankBlockNoInsert(p3d.Y);
+ created_new = true;
+ }
+
+ // deserialize block data
+ block->deSerialize(is, version);
+
+ /*
+ Versions up from 9 have block objects.
+ */
+ if(version >= 9)
+ {
+ block->updateObjects(is, version, NULL, 0);
+ }
+
+ /*
+ Versions up from 15 have static objects.
+ */
+ if(version >= 15)
+ {
+ block->m_static_objects.deSerialize(is);
+ }
+
+ if(created_new)
+ sector->insertBlock(block);
+
+ /*
+ Convert old formats to new and save
+ */
+
+ // Save old format blocks in new format
+ if(version < SER_FMT_VER_HIGHEST)
+ {
+ saveBlock(block);
+ }
+
+ // We just loaded it from the disk, so it's up-to-date.
+ block->resetChangedFlag();
+
+ }
+ catch(SerializationError &e)
+ {
+ dstream<<"WARNING: Invalid block data on disk "
+ "(SerializationError). Ignoring. "
+ "A new one will be generated."
+ <<std::endl;
+
+ // TODO: Backup file; name is in fullpath.
+ }
+}
+
+void ServerMap::PrintInfo(std::ostream &out)
+{
+ out<<"ServerMap: ";
+}
+
+#ifndef SERVER
+
+/*
+ ClientMap
+*/
+
+ClientMap::ClientMap(
+ Client *client,
+ MapDrawControl &control,
+ scene::ISceneNode* parent,
+ scene::ISceneManager* mgr,
+ s32 id
+):
+ Map(dout_client),
+ scene::ISceneNode(parent, mgr, id),
+ m_client(client),
+ m_control(control),
+ m_camera_position(0,0,0),
+ m_camera_direction(0,0,1)
+{
+ m_camera_mutex.Init();
+ assert(m_camera_mutex.IsInitialized());
+
+ m_box = core::aabbox3d<f32>(-BS*1000000,-BS*1000000,-BS*1000000,
+ BS*1000000,BS*1000000,BS*1000000);
+}
+
+ClientMap::~ClientMap()
+{
+ /*JMutexAutoLock lock(mesh_mutex);
+
+ if(mesh != NULL)
+ {
+ mesh->drop();
+ mesh = NULL;
+ }*/
+}
+
+MapSector * ClientMap::emergeSector(v2s16 p2d)
+{
+ DSTACK(__FUNCTION_NAME);
+ // Check that it doesn't exist already
+ try{
+ return getSectorNoGenerate(p2d);
+ }
+ catch(InvalidPositionException &e)
+ {
+ }
+
+ // Create a sector
+ ClientMapSector *sector = new ClientMapSector(this, p2d);
+
+ {
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+ m_sectors.insert(p2d, sector);
+ }
+
+ return sector;
+}
+
+void ClientMap::deSerializeSector(v2s16 p2d, std::istream &is)
+{
+ DSTACK(__FUNCTION_NAME);
+ ClientMapSector *sector = NULL;
+
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+
+ core::map<v2s16, MapSector*>::Node *n = m_sectors.find(p2d);
+
+ if(n != NULL)
+ {
+ sector = (ClientMapSector*)n->getValue();
+ assert(sector->getId() == MAPSECTOR_CLIENT);
+ }
+ else
+ {
+ sector = new ClientMapSector(this, p2d);
+ {
+ //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
+ m_sectors.insert(p2d, sector);
+ }
+ }
+
+ sector->deSerialize(is);
+}
+
+void ClientMap::OnRegisterSceneNode()
+{
+ if(IsVisible)
+ {
+ SceneManager->registerNodeForRendering(this, scene::ESNRP_SOLID);
+ SceneManager->registerNodeForRendering(this, scene::ESNRP_TRANSPARENT);
+ }
+
+ ISceneNode::OnRegisterSceneNode();
+}
+
+void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass)
+{
+ //m_dout<<DTIME<<"Rendering map..."<<std::endl;
+ DSTACK(__FUNCTION_NAME);
+
+ bool is_transparent_pass = pass == scene::ESNRP_TRANSPARENT;
+
+ /*
+ Get time for measuring timeout.
+
+ Measuring time is very useful for long delays when the
+ machine is swapping a lot.
+ */
+ int time1 = time(0);
+
+ //u32 daynight_ratio = m_client->getDayNightRatio();
+
+ m_camera_mutex.Lock();
+ v3f camera_position = m_camera_position;
+ v3f camera_direction = m_camera_direction;
+ m_camera_mutex.Unlock();
+
+ /*
+ Get all blocks and draw all visible ones
+ */
+
+ v3s16 cam_pos_nodes(
+ camera_position.X / BS,
+ camera_position.Y / BS,
+ camera_position.Z / BS);
+
+ v3s16 box_nodes_d = m_control.wanted_range * v3s16(1,1,1);
+
+ v3s16 p_nodes_min = cam_pos_nodes - box_nodes_d;
+ v3s16 p_nodes_max = cam_pos_nodes + box_nodes_d;
+
+ // Take a fair amount as we will be dropping more out later
+ v3s16 p_blocks_min = getNodeBlockPos(p_nodes_min) - v3s16(1,1,1);
+ v3s16 p_blocks_max = getNodeBlockPos(p_nodes_max) + v3s16(1,1,1);
+
+ u32 vertex_count = 0;
+
+ // For limiting number of mesh updates per frame
+ u32 mesh_update_count = 0;
+
+ u32 blocks_would_have_drawn = 0;
+ u32 blocks_drawn = 0;
+
+ //NOTE: The sectors map should be locked but we're not doing it
+ // because it'd cause too much delays
+
+ int timecheck_counter = 0;
+ core::map<v2s16, MapSector*>::Iterator si;
+ si = m_sectors.getIterator();
+ for(; si.atEnd() == false; si++)
+ {
+ {
+ timecheck_counter++;
+ if(timecheck_counter > 50)
+ {
+ timecheck_counter = 0;
+ int time2 = time(0);
+ if(time2 > time1 + 4)
+ {
+ dstream<<"ClientMap::renderMap(): "
+ "Rendering takes ages, returning."
+ <<std::endl;
+ return;
+ }
+ }
+ }
+
+ MapSector *sector = si.getNode()->getValue();
+ v2s16 sp = sector->getPos();
+
+ if(m_control.range_all == false)
+ {
+ if(sp.X < p_blocks_min.X
+ || sp.X > p_blocks_max.X
+ || sp.Y < p_blocks_min.Z
+ || sp.Y > p_blocks_max.Z)
+ continue;
+ }
+
+ core::list< MapBlock * > sectorblocks;
+ sector->getBlocks(sectorblocks);
+
+ /*
+ Draw blocks
+ */
+
+ core::list< MapBlock * >::Iterator i;
+ for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
+ {
+ MapBlock *block = *i;
+
+ /*
+ Compare block position to camera position, skip
+ if not seen on display
+ */
+
+ float range = 100000 * BS;
+ if(m_control.range_all == false)
+ range = m_control.wanted_range * BS;
+
+ float d = 0.0;
+ if(isBlockInSight(block->getPos(), camera_position,
+ camera_direction, range, &d) == false)
+ {
+ continue;
+ }
+
+ // This is ugly (spherical distance limit?)
+ /*if(m_control.range_all == false &&
+ d - 0.5*BS*MAP_BLOCKSIZE > range)
+ continue;*/
+
+#if 1
+ /*
+ Update expired mesh (used for day/night change)
+
+ It doesn't work exactly like it should now with the
+ tasked mesh update but whatever.
+ */
+
+ bool mesh_expired = false;
+
+ {
+ JMutexAutoLock lock(block->mesh_mutex);
+
+ mesh_expired = block->getMeshExpired();
+
+ // Mesh has not been expired and there is no mesh:
+ // block has no content
+ if(block->mesh == NULL && mesh_expired == false)
+ continue;
+ }
+
+ f32 faraway = BS*50;
+ //f32 faraway = m_control.wanted_range * BS;
+
+ /*
+ This has to be done with the mesh_mutex unlocked
+ */
+ // Pretty random but this should work somewhat nicely
+ if(mesh_expired && (
+ (mesh_update_count < 3
+ && (d < faraway || mesh_update_count < 2)
+ )
+ ||
+ (m_control.range_all && mesh_update_count < 20)
+ )
+ )
+ /*if(mesh_expired && mesh_update_count < 6
+ && (d < faraway || mesh_update_count < 3))*/
+ {
+ mesh_update_count++;
+
+ // Mesh has been expired: generate new mesh
+ //block->updateMesh(daynight_ratio);
+ m_client->addUpdateMeshTask(block->getPos());
+
+ mesh_expired = false;
+ }
+
+#endif
+ /*
+ Draw the faces of the block
+ */
+ {
+ JMutexAutoLock lock(block->mesh_mutex);
+
+ scene::SMesh *mesh = block->mesh;
+
+ if(mesh == NULL)
+ continue;
+
+ blocks_would_have_drawn++;
+ if(blocks_drawn >= m_control.wanted_max_blocks
+ && m_control.range_all == false
+ && d > m_control.wanted_min_range * BS)
+ continue;
+ blocks_drawn++;
+
+ u32 c = mesh->getMeshBufferCount();
+
+ for(u32 i=0; i<c; i++)
+ {
+ scene::IMeshBuffer *buf = mesh->getMeshBuffer(i);
+ const video::SMaterial& material = buf->getMaterial();
+ video::IMaterialRenderer* rnd =
+ driver->getMaterialRenderer(material.MaterialType);
+ bool transparent = (rnd && rnd->isTransparent());
+ // Render transparent on transparent pass and likewise.
+ if(transparent == is_transparent_pass)
+ {
+ /*
+ This *shouldn't* hurt too much because Irrlicht
+ doesn't change opengl textures if the old
+ material is set again.
+ */
+ driver->setMaterial(buf->getMaterial());
+ driver->drawMeshBuffer(buf);
+ vertex_count += buf->getVertexCount();
+ }
+ }
+ }
+ } // foreach sectorblocks
+ }
+
+ m_control.blocks_drawn = blocks_drawn;
+ m_control.blocks_would_have_drawn = blocks_would_have_drawn;
+
+ /*dstream<<"renderMap(): is_transparent_pass="<<is_transparent_pass
+ <<", rendered "<<vertex_count<<" vertices."<<std::endl;*/
+}
+
+bool ClientMap::setTempMod(v3s16 p, NodeMod mod,
+ core::map<v3s16, MapBlock*> *affected_blocks)
+{
+ bool changed = false;
+ /*
+ Add it to all blocks touching it
+ */
+ v3s16 dirs[7] = {
+ v3s16(0,0,0), // this
+ 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++)
+ {
+ v3s16 p2 = p + dirs[i];
+ // Block position of neighbor (or requested) node
+ v3s16 blockpos = getNodeBlockPos(p2);
+ MapBlock * blockref = getBlockNoCreateNoEx(blockpos);
+ if(blockref == NULL)
+ continue;
+ // Relative position of requested node
+ v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
+ if(blockref->setTempMod(relpos, mod))
+ {
+ changed = true;
+ }
+ }
+ if(changed && affected_blocks!=NULL)
+ {
+ for(u16 i=0; i<7; i++)
+ {
+ v3s16 p2 = p + dirs[i];
+ // Block position of neighbor (or requested) node
+ v3s16 blockpos = getNodeBlockPos(p2);
+ MapBlock * blockref = getBlockNoCreateNoEx(blockpos);
+ if(blockref == NULL)
+ continue;
+ affected_blocks->insert(blockpos, blockref);
+ }
+ }
+ return changed;
+}
+
+bool ClientMap::clearTempMod(v3s16 p,
+ core::map<v3s16, MapBlock*> *affected_blocks)
+{
+ bool changed = false;
+ v3s16 dirs[7] = {
+ v3s16(0,0,0), // this
+ 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++)
+ {
+ v3s16 p2 = p + dirs[i];
+ // Block position of neighbor (or requested) node
+ v3s16 blockpos = getNodeBlockPos(p2);
+ MapBlock * blockref = getBlockNoCreateNoEx(blockpos);
+ if(blockref == NULL)
+ continue;
+ // Relative position of requested node
+ v3s16 relpos = p - blockpos*MAP_BLOCKSIZE;
+ if(blockref->clearTempMod(relpos))
+ {
+ changed = true;
+ }
+ }
+ if(changed && affected_blocks!=NULL)
+ {
+ for(u16 i=0; i<7; i++)
+ {
+ v3s16 p2 = p + dirs[i];
+ // Block position of neighbor (or requested) node
+ v3s16 blockpos = getNodeBlockPos(p2);
+ MapBlock * blockref = getBlockNoCreateNoEx(blockpos);
+ if(blockref == NULL)
+ continue;
+ affected_blocks->insert(blockpos, blockref);
+ }
+ }
+ return changed;
+}
+
+void ClientMap::expireMeshes(bool only_daynight_diffed)
+{
+ TimeTaker timer("expireMeshes()");
+
+ core::map<v2s16, MapSector*>::Iterator si;
+ si = m_sectors.getIterator();
+ for(; si.atEnd() == false; si++)
+ {
+ MapSector *sector = si.getNode()->getValue();
+
+ core::list< MapBlock * > sectorblocks;
+ sector->getBlocks(sectorblocks);
+
+ core::list< MapBlock * >::Iterator i;
+ for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++)
+ {
+ MapBlock *block = *i;
+
+ if(only_daynight_diffed && dayNightDiffed(block->getPos()) == false)
+ {
+ continue;
+ }
+
+ {
+ JMutexAutoLock lock(block->mesh_mutex);
+ if(block->mesh != NULL)
+ {
+ /*block->mesh->drop();
+ block->mesh = NULL;*/
+ block->setMeshExpired(true);
+ }
+ }
+ }
+ }
+}
+
+void ClientMap::updateMeshes(v3s16 blockpos, u32 daynight_ratio)
+{
+ assert(mapType() == MAPTYPE_CLIENT);
+
+ try{
+ v3s16 p = blockpos + v3s16(0,0,0);
+ MapBlock *b = getBlockNoCreate(p);
+ b->updateMesh(daynight_ratio);
+ //b->setMeshExpired(true);
+ }
+ catch(InvalidPositionException &e){}
+ // Leading edge
+ try{
+ v3s16 p = blockpos + v3s16(-1,0,0);
+ MapBlock *b = getBlockNoCreate(p);
+ b->updateMesh(daynight_ratio);
+ //b->setMeshExpired(true);
+ }
+ catch(InvalidPositionException &e){}
+ try{
+ v3s16 p = blockpos + v3s16(0,-1,0);
+ MapBlock *b = getBlockNoCreate(p);
+ b->updateMesh(daynight_ratio);
+ //b->setMeshExpired(true);
+ }
+ catch(InvalidPositionException &e){}
+ try{
+ v3s16 p = blockpos + v3s16(0,0,-1);
+ MapBlock *b = getBlockNoCreate(p);
+ b->updateMesh(daynight_ratio);
+ //b->setMeshExpired(true);
+ }
+ catch(InvalidPositionException &e){}
+}
+
+#if 0
+/*
+ Update mesh of block in which the node is, and if the node is at the
+ leading edge, update the appropriate leading blocks too.
+*/
+void ClientMap::updateNodeMeshes(v3s16 nodepos, u32 daynight_ratio)
+{
+ v3s16 dirs[4] = {
+ v3s16(0,0,0),
+ v3s16(-1,0,0),
+ v3s16(0,-1,0),
+ v3s16(0,0,-1),
+ };
+ v3s16 blockposes[4];
+ for(u32 i=0; i<4; i++)
+ {
+ v3s16 np = nodepos + dirs[i];
+ blockposes[i] = getNodeBlockPos(np);
+ // Don't update mesh of block if it has been done already
+ bool already_updated = false;
+ for(u32 j=0; j<i; j++)
+ {
+ if(blockposes[j] == blockposes[i])
+ {
+ already_updated = true;
+ break;
+ }
+ }
+ if(already_updated)
+ continue;
+ // Update mesh
+ MapBlock *b = getBlockNoCreate(blockposes[i]);
+ b->updateMesh(daynight_ratio);
+ }
+}
+#endif
+
+void ClientMap::PrintInfo(std::ostream &out)
+{
+ out<<"ClientMap: ";
+}
+
+#endif // !SERVER
+
+/*
+ MapVoxelManipulator
+*/
+
+MapVoxelManipulator::MapVoxelManipulator(Map *map)
+{
+ m_map = map;
+}
+
+MapVoxelManipulator::~MapVoxelManipulator()
+{
+ /*dstream<<"MapVoxelManipulator: blocks: "<<m_loaded_blocks.size()
+ <<std::endl;*/
+}
+
+void MapVoxelManipulator::emerge(VoxelArea a, s32 caller_id)
+{
+ TimeTaker timer1("emerge", &emerge_time);
+
+ // Units of these are MapBlocks
+ v3s16 p_min = getNodeBlockPos(a.MinEdge);
+ v3s16 p_max = getNodeBlockPos(a.MaxEdge);
+
+ VoxelArea block_area_nodes
+ (p_min*MAP_BLOCKSIZE, (p_max+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
+
+ 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++)
+ {
+ v3s16 p(x,y,z);
+ core::map<v3s16, bool>::Node *n;
+ n = m_loaded_blocks.find(p);
+ if(n != NULL)
+ continue;
+
+ bool block_data_inexistent = false;
+ try
+ {
+ TimeTaker timer1("emerge load", &emerge_load_time);
+
+ /*dstream<<"Loading block (caller_id="<<caller_id<<")"
+ <<" ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
+ <<" wanted area: ";
+ a.print(dstream);
+ dstream<<std::endl;*/
+
+ MapBlock *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)
+ {
+ VoxelArea a(p*MAP_BLOCKSIZE, (p+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
+ // Fill with VOXELFLAG_INEXISTENT
+ 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_INEXISTENT, MAP_BLOCKSIZE);
+ }
+ }
+
+ m_loaded_blocks.insert(p, !block_data_inexistent);
+ }
+
+ //dstream<<"emerge done"<<std::endl;
+}
+
+/*
+ SUGG: Add an option to only update eg. water and air nodes.
+ This will make it interfere less with important stuff if
+ run on background.
+*/
+void MapVoxelManipulator::blitBack
+ (core::map<v3s16, MapBlock*> & modified_blocks)
+{
+ if(m_area.getExtent() == v3s16(0,0,0))
+ return;
+
+ //TimeTaker timer1("blitBack");
+
+ /*dstream<<"blitBack(): m_loaded_blocks.size()="
+ <<m_loaded_blocks.size()<<std::endl;*/
+
+ /*
+ Initialize block cache
+ */
+ v3s16 blockpos_last;
+ MapBlock *block = NULL;
+ bool block_checked_in_modified = false;
+
+ for(s32 z=m_area.MinEdge.Z; z<=m_area.MaxEdge.Z; z++)
+ for(s32 y=m_area.MinEdge.Y; y<=m_area.MaxEdge.Y; y++)
+ for(s32 x=m_area.MinEdge.X; x<=m_area.MaxEdge.X; x++)
+ {
+ v3s16 p(x,y,z);
+
+ u8 f = m_flags[m_area.index(p)];
+ if(f & (VOXELFLAG_NOT_LOADED|VOXELFLAG_INEXISTENT))
+ continue;
+
+ MapNode &n = m_data[m_area.index(p)];
+
+ v3s16 blockpos = getNodeBlockPos(p);
+
+ try
+ {
+ // Get block
+ if(block == NULL || blockpos != blockpos_last){
+ block = m_map->getBlockNoCreate(blockpos);
+ blockpos_last = blockpos;
+ block_checked_in_modified = false;
+ }
+
+ // Calculate relative position in block
+ v3s16 relpos = p - blockpos * MAP_BLOCKSIZE;
+
+ // Don't continue if nothing has changed here
+ if(block->getNode(relpos) == n)
+ continue;
+
+ //m_map->setNode(m_area.MinEdge + p, n);
+ block->setNode(relpos, n);
+
+ /*
+ Make sure block is in modified_blocks
+ */
+ if(block_checked_in_modified == false)
+ {
+ modified_blocks[blockpos] = block;
+ block_checked_in_modified = true;
+ }
+ }
+ catch(InvalidPositionException &e)
+ {
+ }
+ }
+}
+
+ManualMapVoxelManipulator::ManualMapVoxelManipulator(Map *map):
+ MapVoxelManipulator(map),
+ m_create_area(false)
+{
+}
+
+ManualMapVoxelManipulator::~ManualMapVoxelManipulator()
+{
+}
+
+void ManualMapVoxelManipulator::emerge(VoxelArea a, s32 caller_id)
+{
+ // Just create the area so that it can be pointed to
+ VoxelManipulator::emerge(a, caller_id);
+}
+
+void ManualMapVoxelManipulator::initialEmerge(
+ v3s16 blockpos_min, v3s16 blockpos_max)
+{
+ 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)
+ {
+ dstream<<"initialEmerge: area: ";
+ block_area_nodes.print(dstream);
+ dstream<<" ("<<size_MB<<"MB)";
+ dstream<<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++)
+ {
+ v3s16 p(x,y,z);
+ core::map<v3s16, bool>::Node *n;
+ n = m_loaded_blocks.find(p);
+ if(n != NULL)
+ continue;
+
+ bool block_data_inexistent = false;
+ try
+ {
+ TimeTaker timer1("emerge load", &emerge_load_time);
+
+ MapBlock *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)
+ {
+ /*
+ Mark area inexistent
+ */
+ VoxelArea a(p*MAP_BLOCKSIZE, (p+1)*MAP_BLOCKSIZE-v3s16(1,1,1));
+ // Fill with VOXELFLAG_INEXISTENT
+ 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_INEXISTENT, MAP_BLOCKSIZE);
+ }
+ }
+
+ m_loaded_blocks.insert(p, !block_data_inexistent);
+ }
+}
+
+void ManualMapVoxelManipulator::blitBackAll(
+ core::map<v3s16, MapBlock*> * modified_blocks)
+{
+ if(m_area.getExtent() == v3s16(0,0,0))
+ return;
+
+ /*
+ Copy data of all blocks
+ */
+ for(core::map<v3s16, bool>::Iterator
+ i = m_loaded_blocks.getIterator();
+ i.atEnd() == false; i++)
+ {
+ bool existed = i.getNode()->getValue();
+ if(existed == false)
+ continue;
+ v3s16 p = i.getNode()->getKey();
+ MapBlock *block = m_map->getBlockNoCreateNoEx(p);
+ if(block == NULL)
+ {
+ dstream<<"WARNING: "<<__FUNCTION_NAME
+ <<": got NULL block "
+ <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
+ <<std::endl;
+ continue;
+ }
+
+ block->copyFrom(*this);
+
+ if(modified_blocks)
+ modified_blocks->insert(p, block);
+ }
+}
+
+//END
projects / minetest.git / commitdiff