diff options
Diffstat (limited to 'misc')
| -rw-r--r-- | misc/map.cpp | 6393 | ||||
| -rw-r--r-- | misc/noise.cpp | 410 | ||||
| -rw-r--r-- | misc/noise.h | 108 |
3 files changed, 0 insertions, 6911 deletions
diff --git a/misc/map.cpp b/misc/map.cpp deleted file mode 100644 index 78a849fd5..000000000 --- a/misc/map.cpp +++ /dev/null @@ -1,6393 +0,0 @@ -/* -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 diff --git a/misc/noise.cpp b/misc/noise.cpp deleted file mode 100644 index e7923dae1..000000000 --- a/misc/noise.cpp +++ /dev/null @@ -1,410 +0,0 @@ -/* -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 <math.h> -#include "noise.h" -#include <iostream> -#include "debug.h" - -#define NOISE_MAGIC_X 1619 -#define NOISE_MAGIC_Y 31337 -#define NOISE_MAGIC_Z 52591 -#define NOISE_MAGIC_SEED 1013 - -double cos_lookup[16] = { - 1.0,0.9238,0.7071,0.3826,0,-0.3826,-0.7071,-0.9238, - 1.0,-0.9238,-0.7071,-0.3826,0,0.3826,0.7071,0.9238 -}; - -double dotProduct(double vx, double vy, double wx, double wy){ - return vx*wx+vy*wy; -} - -double easeCurve(double t){ - return 6*pow(t,5)-15*pow(t,4)+10*pow(t,3); -} - -double linearInterpolation(double x0, double x1, double t){ - return x0+(x1-x0)*t; -} - -double biLinearInterpolation(double x0y0, double x1y0, double x0y1, double x1y1, double x, double y){ - double tx = easeCurve(x); - double ty = easeCurve(y); - /*double tx = x; - double ty = y;*/ - double u = linearInterpolation(x0y0,x1y0,tx); - double v = linearInterpolation(x0y1,x1y1,tx); - return linearInterpolation(u,v,ty); -} - -double triLinearInterpolation( - double v000, double v100, double v010, double v110, - double v001, double v101, double v011, double v111, - double x, double y, double z) -{ - /*double tx = easeCurve(x); - double ty = easeCurve(y); - double tz = easeCurve(z);*/ - double tx = x; - double ty = y; - double tz = z; - return( - v000*(1-tx)*(1-ty)*(1-tz) + - v100*tx*(1-ty)*(1-tz) + - v010*(1-tx)*ty*(1-tz) + - v110*tx*ty*(1-tz) + - v001*(1-tx)*(1-ty)*tz + - v101*tx*(1-ty)*tz + - v011*(1-tx)*ty*tz + - v111*tx*ty*tz - ); -} - -double noise2d(int x, int y, int seed) -{ - int n = (NOISE_MAGIC_X * x + NOISE_MAGIC_Y * y - + NOISE_MAGIC_SEED * seed) & 0x7fffffff; - n = (n>>13)^n; - n = (n * (n*n*60493+19990303) + 1376312589) & 0x7fffffff; - return 1.0 - (double)n/1073741824; -} - -double noise3d(int x, int y, int z, int seed) -{ - int n = (NOISE_MAGIC_X * x + NOISE_MAGIC_Y * y + NOISE_MAGIC_Z * z - + NOISE_MAGIC_SEED * seed) & 0x7fffffff; - n = (n>>13)^n; - n = (n * (n*n*60493+19990303) + 1376312589) & 0x7fffffff; - return 1.0 - (double)n/1073741824; -} - -#if 0 -double noise2d_gradient(double x, double y, int seed) -{ - // Calculate the integer coordinates - int x0 = (x > 0.0 ? (int)x : (int)x - 1); - int y0 = (y > 0.0 ? (int)y : (int)y - 1); - // Calculate the remaining part of the coordinates - double xl = x - (double)x0; - double yl = y - (double)y0; - // Calculate random cosine lookup table indices for the integer corners. - // They are looked up as unit vector gradients from the lookup table. - int n00 = (int)((noise2d(x0, y0, seed)+1)*8); - int n10 = (int)((noise2d(x0+1, y0, seed)+1)*8); - int n01 = (int)((noise2d(x0, y0+1, seed)+1)*8); - int n11 = (int)((noise2d(x0+1, y0+1, seed)+1)*8); - // Make a dot product for the gradients and the positions, to get the values - double s = dotProduct(cos_lookup[n00], cos_lookup[(n00+12)%16], xl, yl); - double u = dotProduct(-cos_lookup[n10], cos_lookup[(n10+12)%16], 1.-xl, yl); - double v = dotProduct(cos_lookup[n01], -cos_lookup[(n01+12)%16], xl, 1.-yl); - double w = dotProduct(-cos_lookup[n11], -cos_lookup[(n11+12)%16], 1.-xl, 1.-yl); - // Interpolate between the values - return biLinearInterpolation(s,u,v,w,xl,yl); -} -#endif - -#if 1 -double noise2d_gradient(double x, double y, int seed) -{ - // Calculate the integer coordinates - int x0 = (x > 0.0 ? (int)x : (int)x - 1); - int y0 = (y > 0.0 ? (int)y : (int)y - 1); - // Calculate the remaining part of the coordinates - double xl = x - (double)x0; - double yl = y - (double)y0; - // Get values for corners of cube - double v00 = noise2d(x0, y0, seed); - double v10 = noise2d(x0+1, y0, seed); - double v01 = noise2d(x0, y0+1, seed); - double v11 = noise2d(x0+1, y0+1, seed); - // Interpolate - return biLinearInterpolation(v00,v10,v01,v11,xl,yl); -} -#endif - -double noise3d_gradient(double x, double y, double z, int seed) -{ - // Calculate the integer coordinates - int x0 = (x > 0.0 ? (int)x : (int)x - 1); - int y0 = (y > 0.0 ? (int)y : (int)y - 1); - int z0 = (z > 0.0 ? (int)z : (int)z - 1); - // Calculate the remaining part of the coordinates - double xl = x - (double)x0; - double yl = y - (double)y0; - double zl = z - (double)z0; - // Get values for corners of cube - double v000 = noise3d(x0, y0, z0, seed); - double v100 = noise3d(x0+1, y0, z0, seed); - double v010 = noise3d(x0, y0+1, z0, seed); - double v110 = noise3d(x0+1, y0+1, z0, seed); - double v001 = noise3d(x0, y0, z0+1, seed); - double v101 = noise3d(x0+1, y0, z0+1, seed); - double v011 = noise3d(x0, y0+1, z0+1, seed); - double v111 = noise3d(x0+1, y0+1, z0+1, seed); - // Interpolate - return triLinearInterpolation(v000,v100,v010,v110,v001,v101,v011,v111,xl,yl,zl); -} - -double noise2d_perlin(double x, double y, int seed, - int octaves, double persistence) -{ - double a = 0; - double f = 1.0; - double g = 1.0; - for(int i=0; i<octaves; i++) - { - a += g * noise2d_gradient(x*f, y*f, seed+i); - f *= 2.0; - g *= persistence; - } - return a; -} - -double noise2d_perlin_abs(double x, double y, int seed, - int octaves, double persistence) -{ - double a = 0; - double f = 1.0; - double g = 1.0; - for(int i=0; i<octaves; i++) - { - a += g * fabs(noise2d_gradient(x*f, y*f, seed+i)); - f *= 2.0; - g *= persistence; - } - return a; -} - -double noise3d_perlin(double x, double y, double z, int seed, - int octaves, double persistence) -{ - double a = 0; - double f = 1.0; - double g = 1.0; - for(int i=0; i<octaves; i++) - { - a += g * noise3d_gradient(x*f, y*f, z*f, seed+i); - f *= 2.0; - g *= persistence; - } - return a; -} - -double noise3d_perlin_abs(double x, double y, double z, int seed, - int octaves, double persistence) -{ - double a = 0; - double f = 1.0; - double g = 1.0; - for(int i=0; i<octaves; i++) - { - a += g * fabs(noise3d_gradient(x*f, y*f, z*f, seed+i)); - f *= 2.0; - g *= persistence; - } - return a; -} - -// -1->0, 0->1, 1->0 -double contour(double v) -{ - v = fabs(v); - if(v >= 1.0) - return 0.0; - return (1.0-v); -} - -double noise3d_param(const NoiseParams ¶m, double x, double y, double z) -{ - double s = param.pos_scale; - x /= s; - y /= s; - z /= s; - - if(param.type == NOISE_PERLIN) - { - return param.noise_scale*noise3d_perlin(x,y,z, param.seed, - param.octaves, - param.persistence); - } - else if(param.type == NOISE_PERLIN_ABS) - { - return param.noise_scale*noise3d_perlin_abs(x,y,z, param.seed, - param.octaves, - param.persistence); - } - else if(param.type == NOISE_PERLIN_CONTOUR) - { - return contour(param.noise_scale*noise3d_perlin(x,y,z, - param.seed, param.octaves, - param.persistence)); - } - else if(param.type == NOISE_PERLIN_CONTOUR_FLIP_YZ) - { - return contour(param.noise_scale*noise3d_perlin(x,z,y, - param.seed, param.octaves, - param.persistence)); - } - else assert(0); -} - -/* - NoiseBuffer -*/ - -NoiseBuffer::NoiseBuffer(): - m_data(NULL) -{ -} - -NoiseBuffer::~NoiseBuffer() -{ - clear(); -} - -void NoiseBuffer::clear() -{ - if(m_data) - delete[] m_data; - m_data = NULL; - m_size_x = 0; - m_size_y = 0; - m_size_z = 0; -} - -void NoiseBuffer::create(const NoiseParams ¶m, - double first_x, double first_y, double first_z, - double last_x, double last_y, double last_z, - double samplelength_x, double samplelength_y, double samplelength_z) -{ - clear(); - - m_start_x = first_x - samplelength_x; - m_start_y = first_y - samplelength_y; - m_start_z = first_z - samplelength_z; - m_samplelength_x = samplelength_x; - m_samplelength_y = samplelength_y; - m_samplelength_z = samplelength_z; - - m_size_x = (last_x - m_start_x)/samplelength_x + 2; - m_size_y = (last_y - m_start_y)/samplelength_y + 2; - m_size_z = (last_z - m_start_z)/samplelength_z + 2; - - m_data = new double[m_size_x*m_size_y*m_size_z]; - - for(int x=0; x<m_size_x; x++) - for(int y=0; y<m_size_y; y++) - for(int z=0; z<m_size_z; z++) - { - double xd = (m_start_x + (double)x*m_samplelength_x); - double yd = (m_start_y + (double)y*m_samplelength_y); - double zd = (m_start_z + (double)z*m_samplelength_z); - double a = noise3d_param(param, xd,yd,zd); - intSet(x,y,z, a); - } -} - -void NoiseBuffer::multiply(const NoiseParams ¶m) -{ - assert(m_data != NULL); - - for(int x=0; x<m_size_x; x++) - for(int y=0; y<m_size_y; y++) - for(int z=0; z<m_size_z; z++) - { - double xd = (m_start_x + (double)x*m_samplelength_x); - double yd = (m_start_y + (double)y*m_samplelength_y); - double zd = (m_start_z + (double)z*m_samplelength_z); - double a = noise3d_param(param, xd,yd,zd); - intMultiply(x,y,z, a); - } -} - -// Deprecated -void NoiseBuffer::create(int seed, int octaves, double persistence, - bool abs, - double first_x, double first_y, double first_z, - double last_x, double last_y, double last_z, - double samplelength_x, double samplelength_y, double samplelength_z) -{ - NoiseParams param; - param.type = abs ? NOISE_PERLIN_ABS : NOISE_PERLIN; - param.seed = seed; - param.octaves = octaves; - param.persistence = persistence; - - create(param, first_x, first_y, first_z, - last_x, last_y, last_z, - samplelength_x, samplelength_y, samplelength_z); -} - -void NoiseBuffer::intSet(int x, int y, int z, double d) -{ - int i = m_size_x*m_size_y*z + m_size_x*y + x; - assert(i >= 0); - assert(i < m_size_x*m_size_y*m_size_z); - m_data[i] = d; -} - -void NoiseBuffer::intMultiply(int x, int y, int z, double d) -{ - int i = m_size_x*m_size_y*z + m_size_x*y + x; - assert(i >= 0); - assert(i < m_size_x*m_size_y*m_size_z); - m_data[i] = m_data[i] * d; -} - -double NoiseBuffer::intGet(int x, int y, int z) -{ - int i = m_size_x*m_size_y*z + m_size_x*y + x; - assert(i >= 0); - assert(i < m_size_x*m_size_y*m_size_z); - return m_data[i]; -} - -double NoiseBuffer::get(double x, double y, double z) -{ - x -= m_start_x; - y -= m_start_y; - z -= m_start_z; - x /= m_samplelength_x; - y /= m_samplelength_y; - z /= m_samplelength_z; - // Calculate the integer coordinates - int x0 = (x > 0.0 ? (int)x : (int)x - 1); - int y0 = (y > 0.0 ? (int)y : (int)y - 1); - int z0 = (z > 0.0 ? (int)z : (int)z - 1); - // Calculate the remaining part of the coordinates - double xl = x - (double)x0; - double yl = y - (double)y0; - double zl = z - (double)z0; - // Get values for corners of cube - double v000 = intGet(x0, y0, z0); - double v100 = intGet(x0+1, y0, z0); - double v010 = intGet(x0, y0+1, z0); - double v110 = intGet(x0+1, y0+1, z0); - double v001 = intGet(x0, y0, z0+1); - double v101 = intGet(x0+1, y0, z0+1); - double v011 = intGet(x0, y0+1, z0+1); - double v111 = intGet(x0+1, y0+1, z0+1); - // Interpolate - return triLinearInterpolation(v000,v100,v010,v110,v001,v101,v011,v111,xl,yl,zl); -} - diff --git a/misc/noise.h b/misc/noise.h deleted file mode 100644 index 59ca1bf94..000000000 --- a/misc/noise.h +++ /dev/null @@ -1,108 +0,0 @@ -/* -Minetest-c55 -Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com> - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License along -with this program; if not, write to the Free Software Foundation, Inc., -51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#ifndef NOISE_HEADER -#define NOISE_HEADER - -double easeCurve(double t); - -// Return value: -1 ... 1 -double noise2d(int x, int y, int seed); -double noise3d(int x, int y, int z, int seed); - -double noise2d_gradient(double x, double y, int seed); -double noise3d_gradient(double x, double y, double z, int seed); - -double noise2d_perlin(double x, double y, int seed, - int octaves, double persistence); - -double noise2d_perlin_abs(double x, double y, int seed, - int octaves, double persistence); - -double noise3d_perlin(double x, double y, double z, int seed, - int octaves, double persistence); - -double noise3d_perlin_abs(double x, double y, double z, int seed, - int octaves, double persistence); - -enum NoiseType -{ - NOISE_PERLIN, - NOISE_PERLIN_ABS, - NOISE_PERLIN_CONTOUR, - NOISE_PERLIN_CONTOUR_FLIP_YZ -}; - -struct NoiseParams -{ - NoiseType type; - int seed; - int octaves; - double persistence; - double pos_scale; - double noise_scale; // Useful for contour noises - - NoiseParams(NoiseType type_=NOISE_PERLIN, int seed_=0, - int octaves_=3, double persistence_=0.5, - double pos_scale_=100.0, double noise_scale_=1.0): - type(type_), - seed(seed_), - octaves(octaves_), - persistence(persistence_), - pos_scale(pos_scale_), - noise_scale(noise_scale_) - { - } -}; - -double noise3d_param(const NoiseParams ¶m, double x, double y, double z); - -class NoiseBuffer -{ -public: - NoiseBuffer(); - ~NoiseBuffer(); - - void clear(); - void create(const NoiseParams ¶m, - double first_x, double first_y, double first_z, - double last_x, double last_y, double last_z, - double samplelength_x, double samplelength_y, double samplelength_z); - void multiply(const NoiseParams ¶m); - // Deprecated - void create(int seed, int octaves, double persistence, - bool abs, - double first_x, double first_y, double first_z, - double last_x, double last_y, double last_z, - double samplelength_x, double samplelength_y, double samplelength_z); - - void intSet(int x, int y, int z, double d); - void intMultiply(int x, int y, int z, double d); - double intGet(int x, int y, int z); - double get(double x, double y, double z); - -private: - double *m_data; - double m_start_x, m_start_y, m_start_z; - double m_samplelength_x, m_samplelength_y, m_samplelength_z; - int m_size_x, m_size_y, m_size_z; -}; - -#endif - |