X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmap.cpp;h=d644215be78911de0d56af9825eb684e98d94d3d;hb=7df125c249dc9b99b66f047a395106c2038eb00e;hp=fe94d6e971222b866084f2f4621a325d7d1ab444;hpb=705de63dcdfe78157234e1b65652d5c2f762dbd4;p=dragonfireclient.git diff --git a/src/map.cpp b/src/map.cpp index fe94d6e97..d644215be 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -25,43 +25,8 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "utility.h" #include "voxel.h" #include "porting.h" - -MapBlockPointerCache::MapBlockPointerCache(Map *map) -{ - m_map = map; - m_map->m_blockcachelock.cacheCreated(); - - m_from_cache_count = 0; - m_from_map_count = 0; -} - -MapBlockPointerCache::~MapBlockPointerCache() -{ - m_map->m_blockcachelock.cacheRemoved(); - - /*dstream<<"MapBlockPointerCache:" - <<" from_cache_count="<::Iterator i = m_sectors.getIterator(); for(; i.atEnd() == false; i++) @@ -104,10 +53,31 @@ Map::~Map() } } -MapSector * Map::getSectorNoGenerate(v2s16 p) +void Map::addEventReceiver(MapEventReceiver *event_receiver) { - JMutexAutoLock lock(m_sector_mutex); + 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::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 @@ -116,11 +86,9 @@ MapSector * Map::getSectorNoGenerate(v2s16 p) } core::map::Node *n = m_sectors.find(p); - // If sector doesn't exist, throw an exception + if(n == NULL) - { - throw InvalidPositionException(); - } + return NULL; MapSector *sector = n->getValue(); @@ -128,13 +96,27 @@ MapSector * Map::getSectorNoGenerate(v2s16 p) m_sector_cache_p = p; m_sector_cache = sector; - //MapSector * ref(sector); - // Reset inactivity timer sector->usage_timer = 0.0; return sector; } +MapSector * Map::getSectorNoGenerateNoEx(v2s16 p) +{ + JMutexAutoLock lock(m_sector_mutex); + + 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); @@ -160,33 +142,17 @@ MapBlock * Map::getBlockNoCreateNoEx(v3s16 p3d) } } -f32 Map::getGroundHeight(v2s16 p, bool generate) -{ - try{ - v2s16 sectorpos = getNodeSectorPos(p); - MapSector * sref = getSectorNoGenerate(sectorpos); - v2s16 relpos = p - sectorpos * MAP_BLOCKSIZE; - f32 y = sref->getGroundHeight(relpos); - return y; - } - catch(InvalidPositionException &e) - { - return GROUNDHEIGHT_NOTFOUND_SETVALUE; - } -} - -void Map::setGroundHeight(v2s16 p, f32 y, bool generate) +/*MapBlock * Map::getBlockCreate(v3s16 p3d) { - /*m_dout<mutex.Lock(); - sref->setGroundHeight(relpos, y); - //sref->mutex.Unlock(); -} + 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) { @@ -607,6 +573,8 @@ v3s16 Map::getBrightestNeighbour(enum LightBank bank, v3s16 p) 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 & modified_blocks) @@ -636,7 +604,17 @@ s16 Map::propagateSunlight(v3s16 start, modified_blocks.insert(blockpos, block); } - else{ + 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; } } @@ -648,11 +626,15 @@ void Map::updateLighting(enum LightBank bank, core::map & modified_blocks) { /*m_dout< blocks_to_update; core::map light_sources; @@ -673,6 +655,8 @@ void Map::updateLighting(enum LightBank bank, v3s16 pos = block->getPos(); modified_blocks.insert(pos, block); + blocks_to_update.insert(pos, block); + /* Clear all light from block */ @@ -722,10 +706,12 @@ void Map::updateLighting(enum LightBank bank, } else if(bank == LIGHTBANK_NIGHT) { + // For night lighting, sunlight is not propagated break; } else { + // Invalid lighting bank assert(0); } @@ -733,7 +719,7 @@ void Map::updateLighting(enum LightBank bank, <::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="< & a_blocks, The lighting value of the node should be left as-is after changing other values. This sets the lighting value to 0. */ -/*void Map::nodeAddedUpdate(v3s16 p, u8 lightwas, - core::map &modified_blocks)*/ void Map::addNodeAndUpdate(v3s16 p, MapNode n, core::map &modified_blocks) { /*PrintInfo(m_dout); - m_dout<clone(); + setNodeMetadata(p, meta); + } /* - If node is under sunlight, take all sunlighted nodes under - it and clear light from them and from where the light has - been spread. + 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) + if(node_under_sunlight && !content_features(n.d).sunlight_propagates) { s16 y = p.Y - 1; for(;; y--){ @@ -919,7 +991,6 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n, if(n2.getLight(LIGHTBANK_DAY) == LIGHT_SUN) { - //m_dout<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) + { + } + } } /* @@ -1003,6 +1104,12 @@ void Map::removeNodeAndUpdate(v3s16 p, light_sources, modified_blocks); } + /* + Remove node metadata + */ + + removeNodeMetadata(p); + /* Remove the node. This also clears the lighting. @@ -1060,7 +1167,7 @@ void Map::removeNodeAndUpdate(v3s16 p, } catch(InvalidPositionException &e) { - throw; + assert(0); } } @@ -1089,134 +1196,131 @@ void Map::removeNodeAndUpdate(v3s16 p, MapBlock *block = i.getNode()->getValue(); block->updateDayNightDiff(); } -} - -#ifndef SERVER -void Map::expireMeshes(bool only_daynight_diffed) -{ - TimeTaker timer("expireMeshes()"); - core::map::Iterator si; - si = m_sectors.getIterator(); - for(; si.atEnd() == false; si++) + /* + 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++) { - MapSector *sector = si.getNode()->getValue(); + try + { - core::list< MapBlock * > sectorblocks; - sector->getBlocks(sectorblocks); + v3s16 p2 = p + dirs[i]; - core::list< MapBlock * >::Iterator i; - for(i=sectorblocks.begin(); i!=sectorblocks.end(); i++) + MapNode n2 = getNode(p2); + if(content_liquid(n2.d)) { - MapBlock *block = *i; + m_transforming_liquid.push_back(p2); + } + + }catch(InvalidPositionException &e) + { + } + } +} - 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); - } - } +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 modified_blocks; + addNodeAndUpdate(p, n, modified_blocks); + + // Copy modified_blocks to event + for(core::map::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; } -void Map::updateMeshes(v3s16 blockpos, u32 daynight_ratio) +bool Map::removeNodeWithEvent(v3s16 p) { - assert(mapType() == MAPTYPE_CLIENT); + MapEditEvent event; + event.type = MEET_REMOVENODE; + event.p = p; + bool succeeded = true; + try{ + core::map modified_blocks; + removeNodeAndUpdate(p, modified_blocks); + + // Copy modified_blocks to event + for(core::map::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); - b->updateMesh(daynight_ratio); + if(b->dayNightDiffed()) + return true; } catch(InvalidPositionException &e){} - // Leading edge + // Leading edges try{ v3s16 p = blockpos + v3s16(-1,0,0); MapBlock *b = getBlockNoCreate(p); - b->updateMesh(daynight_ratio); + if(b->dayNightDiffed()) + return true; } catch(InvalidPositionException &e){} try{ v3s16 p = blockpos + v3s16(0,-1,0); MapBlock *b = getBlockNoCreate(p); - b->updateMesh(daynight_ratio); + if(b->dayNightDiffed()) + return true; } catch(InvalidPositionException &e){} try{ v3s16 p = blockpos + v3s16(0,0,-1); MapBlock *b = getBlockNoCreate(p); - b->updateMesh(daynight_ratio); + if(b->dayNightDiffed()) + return true; } catch(InvalidPositionException &e){} - /*// Trailing edge + // Trailing edges try{ v3s16 p = blockpos + v3s16(1,0,0); MapBlock *b = getBlockNoCreate(p); - b->updateMesh(daynight_ratio); - } - catch(InvalidPositionException &e){} - try{ - v3s16 p = blockpos + v3s16(0,1,0); - MapBlock *b = getBlockNoCreate(p); - b->updateMesh(daynight_ratio); - } - catch(InvalidPositionException &e){} - try{ - v3s16 p = blockpos + v3s16(0,0,1); - MapBlock *b = getBlockNoCreate(p); - b->updateMesh(daynight_ratio); - } - catch(InvalidPositionException &e){}*/ -} - -#endif - -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; + if(b->dayNightDiffed()) + return true; } catch(InvalidPositionException &e){} try{ @@ -1261,7 +1365,7 @@ void Map::deleteSectors(core::list &list, bool only_blocks) This disables the existence of caches while locked */ - SharedPtr cachelock(m_blockcachelock.waitCaches()); + //SharedPtr cachelock(m_blockcachelock.waitCaches()); core::list::Iterator j; for(j=list.begin(); j!=list.end(); j++) @@ -1329,14 +1433,361 @@ void Map::PrintInfo(std::ostream &out) out<<"Map: "; } +#define WATER_DROP_BOOST 4 + +void Map::transformLiquids(core::map & 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="<= 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< 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<= 100000) + if(loopcount >= initial_size * 1) + break; + } + //dstream<<"Map::transformLiquids(): loopcount="<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" + <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" + <m_node_metadata.remove(p_rel); +} + /* ServerMap */ -ServerMap::ServerMap(std::string savedir, HMParams hmp, MapParams mp): +ServerMap::ServerMap(std::string savedir): Map(dout_server), - m_heightmap(NULL) + m_seed(0) { + + //m_chunksize = 64; + //m_chunksize = 16; // Too slow + m_chunksize = 8; // Takes a few seconds + //m_chunksize = 4; + //m_chunksize = 2; + + // TODO: Save to and load from a file + 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; @@ -1354,16 +1805,24 @@ ServerMap::ServerMap(std::string savedir, HMParams hmp, MapParams mp): } else { - // Load master heightmap - loadMasterHeightmap(); + // Load map metadata (seed, chunksize) + loadMapMeta(); - // Load sector (0,0) and throw and exception on fail + // Load chunk metadata + loadChunkMeta(); + + /*// Load sector (0,0) and throw and exception on fail if(loadSectorFull(v2s16(0,0)) == false) - throw LoadError("Failed to load sector (0,0)"); + throw LoadError("Failed to load sector (0,0)");*/ - dstream<::Iterator i = m_chunks.getIterator(); + for(; i.atEnd() == false; i++) { - return getSectorNoGenerate(p2d); + MapChunk *chunk = i.getNode()->getValue(); + delete chunk; } +} - /* - If there is no master heightmap, throw. - */ - if(m_heightmap == NULL) +/* + 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--) { - throw InvalidPositionException("emergeSector(): no heightmap"); + 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; +} - /* - Do not generate over-limit +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 leaves_d(new u8[leaves_a.getVolume()]); + Buffer leaves_d(leaves_a.getVolume()); + for(s32 i=0; i>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. + 45. * 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="<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 + */ + + ManualMapVoxelManipulator vmanip(this); + // Add the area we just generated + { + TimeTaker timer("generateChunkRaw() initialEmerge"); + vmanip.initialEmerge(bigarea_blocks_min, bigarea_blocks_max); + } + + // Clear all flags + vmanip.clearFlag(0xff); + + TimeTaker timer_generate("generateChunkRaw() generate"); + + // Maximum height of the stone surface and obstacles. + // This is used to disable dungeon generation from going too high. + s16 stone_surface_max_y = 0; + + /* + Generate general ground level to full area + */ + + { + // 22ms @cs=8 + //TimeTaker timer1("ground level"); + + for(s16 x=0; x surface_y_f) + surface_y_f = a; + }*/ + + // 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 = vmanip.m_area.getExtent(); + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_nodes_min, p2d.Y)); + for(s16 y=y_nodes_min; y=y_nodes_min; y--) + { + MapNode *n = &vmanip.m_data[i]; + /*if(content_walkable(n.d) + && n.d != CONTENT_MUD + && n.d != CONTENT_GRASS) + break;*/ + if(n->d == CONTENT_STONE) + break; + + if(n->d == CONTENT_MUD || n->d == CONTENT_GRASS) + { + mud_amount++; + /* + Change to mud because otherwise we might + be throwing mud on grass at the next + step + */ + n->d = CONTENT_MUD; + } + + vmanip.m_area.add_y(em, i, -1); + } + if(y >= y_nodes_min) + surface_y = y; + else + surface_y = y_nodes_min; + } + + + /* + Add stone on ground + */ + { + v3s16 em = vmanip.m_area.getExtent(); + s16 y_start = surface_y+1; + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y)); + s16 y; + // Add stone + s16 count = 0; + for(y=y_start; y<=y_nodes_max - min_head_space; y++) + { + MapNode &n = vmanip.m_data[i]; + n.d = CONTENT_STONE; + + if(y > stone_surface_max_y) + stone_surface_max_y = y; + + count++; + if(count >= ob_size.Y) + break; + + vmanip.m_area.add_y(em, i, 1); + } + // Add mud + count = 0; + for(; y<=y_nodes_max - min_head_space; y++) + { + MapNode &n = vmanip.m_data[i]; + n.d = CONTENT_MUD; + count++; + if(count >= mud_amount) + break; + + vmanip.m_area.add_y(em, i, 1); + } + } + + } + } + + }//timer1 + { + // 24ms @cs=8 + //TimeTaker timer1("dungeons"); + + /* + Make dungeons + */ + u32 dungeons_count = relative_volume / 600000; + u32 bruises_count = relative_volume * stone_surface_max_y / 40000000; + if(stone_surface_max_y < WATER_LEVEL) + bruises_count = 0; + /*u32 dungeons_count = 0; + u32 bruises_count = 0;*/ + for(u32 jj=0; jj= 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(vmanip.m_area.contains(p)); + + // Just set it to air, it will be changed to + // water afterwards + u32 i = vmanip.m_area.index(p); + MapNode *n = &vmanip.m_data[i]; + if(n->d == CONTENT_STONE) + n->param = mineral; + } + } + } + } + + orp = rp; + } + + } + + }//timer1 + { + // 15ms @cs=8 + //TimeTaker timer1("add mud"); + + /* + Add mud to the central chunk + */ + + for(s16 x=0; xd == CONTENT_GRASS) + n->d = CONTENT_MUD; + } + + /* + Add mud on ground + */ + { + s16 mudcount = 0; + v3s16 em = vmanip.m_area.getExtent(); + s16 y_start = surface_y+1; + u32 i = 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 = vmanip.m_data[i]; + n.d = CONTENT_MUD; + mudcount++; + + vmanip.m_area.add_y(em, i, 1); + } + } + + } + + }//timer1 + { + // 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-max_spread_amount+1; + s16 mudflow_maxpos = sectorpos_base_size*MAP_BLOCKSIZE+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 = sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z); + + v3s16 em = vmanip.m_area.getExtent(); + u32 i = 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 = &vmanip.m_data[i]; + //if(content_walkable(n->d)) + // break; + if(n->d == CONTENT_MUD || n->d == CONTENT_GRASS) + break; + + vmanip.m_area.add_y(em, i, -1); + } + + // Stop if out of area + //if(vmanip.m_area.contains(i) == false) + if(y < y_nodes_min) + break; + + /*// If not mud, do nothing to it + MapNode *n = &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; + vmanip.m_area.add_y(em, i2, -1); + // Cancel if out of area + if(vmanip.m_area.contains(i2) == false) + continue; + MapNode *n2 = &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; + vmanip.m_area.add_y(em, i3, 1); + if(vmanip.m_area.contains(i3) == true + && content_walkable(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 + vmanip.m_area.add_p(em, i2, dirp); + // Fail if out of area + if(vmanip.m_area.contains(i2) == false) + continue; + // Check that side is air + MapNode *n2 = &vmanip.m_data[i2]; + if(content_walkable(n2->d)) + continue; + // Check that under side is air + vmanip.m_area.add_y(em, i2, -1); + if(vmanip.m_area.contains(i2) == false) + continue; + n2 = &vmanip.m_data[i2]; + if(content_walkable(n2->d)) + continue; + /*// Check that under that is air (need a drop of 2) + vmanip.m_area.add_y(em, i2, -1); + if(vmanip.m_area.contains(i2) == false) + continue; + n2 = &vmanip.m_data[i2]; + if(content_walkable(n2->d)) + continue;*/ + // Loop further down until not air + do{ + vmanip.m_area.add_y(em, i2, -1); + // Fail if out of area + if(vmanip.m_area.contains(i2) == false) + continue; + n2 = &vmanip.m_data[i2]; + }while(content_walkable(n2->d) == false); + // Loop one up so that we're in air + vmanip.m_area.add_y(em, i2, 1); + n2 = &vmanip.m_data[i2]; + + // Move mud to new place + *n2 = *n; + // Set old place to be air + *n = MapNode(CONTENT_AIR); + + // Done + break; + } + } + } + + } + + }//timer1 + { + // 50ms @cs=8 + //TimeTaker timer1("add water"); + + /* + Add water to the central chunk (and a bit more) + */ + + for(s16 x=0-max_spread_amount; + x WATER_LEVEL) + continue;*/ + + /* + Add water on ground + */ + { + v3s16 em = vmanip.m_area.getExtent(); + u8 light = LIGHT_MAX; + // Start at global water surface level + s16 y_start = WATER_LEVEL; + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y)); + MapNode *n = &vmanip.m_data[i]; + + /*// Add first one to transforming liquid queue, if water + if(n->d == CONTENT_WATER || n->d == CONTENT_WATERSOURCE) + { + v3s16 p = v3s16(p2d.X, y_start, p2d.Y); + m_transforming_liquid.push_back(p); + }*/ + + for(s16 y=y_start; y>=y_nodes_min; y--) + { + n = &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) + { + /*// Add bottom one to transforming liquid queue + vmanip.m_area.add_y(em, i, 1); + n = &vmanip.m_data[i]; + if(n->d == CONTENT_WATER || n->d == CONTENT_WATERSOURCE) + { + v3s16 p = v3s16(p2d.X, y, p2d.Y); + m_transforming_liquid.push_back(p); + }*/ + + break; + } + + // Make water only not in dungeons + if(!(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); + m_transforming_liquid.push_back(p); + } + + // Next one + vmanip.m_area.add_y(em, i, -1); + if(light > 0) + light--; + } + } + + } + + }//timer1 + + } // Aging loop + + { + //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 -0.15); + + if(have_sand == false) + continue; + + // Find ground level + s16 surface_y = find_ground_level_clever(vmanip, p2d); + + if(surface_y > WATER_LEVEL + 2) + continue; + + { + v3s16 em = vmanip.m_area.getExtent(); + s16 y_start = surface_y; + u32 i = 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 = &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; + } + + vmanip.m_area.add_y(em, i, -1); + } + } + + } + + }//timer1 + { + // 1ms @cs=8 + //TimeTaker timer1("generate trees"); + + /* + Generate some trees + */ + { + // Divide area into parts + s16 div = 8; + s16 sidelen = sectorpos_base_size*MAP_BLOCKSIZE / div; + double area = sidelen * sidelen; + for(s16 x0=0; x0 y_nodes_max - 6) + continue; + v3s16 p(x,y,z); + /* + Trees grow only on mud and grass + */ + { + u32 i = vmanip.m_area.index(v3s16(p)); + MapNode *n = &vmanip.m_data[i]; + if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS) + continue; + } + p.Y++; + // Make a tree + make_tree(vmanip, p); + } + } + /*u32 tree_max = relative_area / 60; + //u32 count = myrand_range(0, tree_max); + for(u32 i=0; i=y_nodes_min; y--) + { + MapNode &n = vmanip.m_data[i]; + if(n.d != CONTENT_AIR + && n.d != CONTENT_LEAVES) + break; + vmanip.m_area.add_y(em, i, -1); + } + if(y >= y_nodes_min) + surface_y = y; + else + surface_y = y_nodes_min; + } + + u32 i = vmanip.m_area.index(p2d.X, surface_y, p2d.Y); + MapNode *n = &vmanip.m_data[i]; + if(n->d == CONTENT_MUD) + n->d = CONTENT_GRASS; + } + + }//timer1 + + /* + Initial lighting (sunlight) + */ + + core::map light_sources; + + { + // 750ms @cs=8, can't optimize more + TimeTaker timer1("initial lighting"); + +#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 = sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z); + + { + v3s16 em = vmanip.m_area.getExtent(); + s16 y_start = y_nodes_max; + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y)); + for(s16 y=y_start; y>=y_nodes_min; y--) + { + MapNode *n = &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 = sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z); + + // Loop from top to down + { + u8 light = LIGHT_SUN; + v3s16 em = vmanip.m_area.getExtent(); + s16 y_start = y_nodes_max; + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y)); + for(s16 y=y_start; y>=y_nodes_min; y--) + { + MapNode *n = &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 + vmanip.m_area.add_y(em, i, -1); + } + } + } +#endif + + /*for(s16 x=0; x=y_nodes_min; y--) + { + MapNode *n = &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; + vmanip.m_area.add_p(em, i2, dirp); + MapNode *n2 = &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 + vmanip.m_area.add_y(em, i, -1); + } + } + } +#endif + +#if 0 + 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 = sectorpos_base*MAP_BLOCKSIZE + v2s16(x,z); + + /* + Apply initial sunlight + */ + { + u8 light = LIGHT_SUN; + v3s16 em = vmanip.m_area.getExtent(); + s16 y_start = y_nodes_max; + u32 i = vmanip.m_area.index(v3s16(p2d.X, y_start, p2d.Y)); + for(s16 y=y_start; y>=y_nodes_min; y--) + { + MapNode *n = &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); + + // This doesn't take much time + if(light != 0) + { + // Insert light source + light_sources.insert(v3s16(p2d.X, y, p2d.Y), true); + } + + // Increment index by y + vmanip.m_area.add_y(em, i, -1); + } + } + } +#endif + + }//timer1 + + // Spread light around + { + TimeTaker timer("generateChunkRaw() spreadLight"); + vmanip.spreadLight(LIGHTBANK_DAY, light_sources); + } + + /* + Generation ended + */ + + timer_generate.stop(); + + /* + Blit generated stuff to map + */ + { + // 70ms @cs=8 + //TimeTaker timer("generateChunkRaw() blitBackAll"); + vmanip.blitBackAll(&changed_blocks); + } + + /* + Update day/night difference cache of the MapBlocks + */ + { + for(core::map::Iterator i = changed_blocks.getIterator(); + i.atEnd() == false; i++) + { + MapBlock *block = i.getNode()->getValue(); + block->updateDayNightDiff(); + } + } + + + /* + Create chunk metadata + */ + + for(s16 x=-1; x<=1; x++) + for(s16 y=-1; y<=1; y++) + { + v2s16 chunkpos0 = 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(chunkpos); + assert(chunk); + // Set non-volatile + //chunk->setIsVolatile(false); + chunk->setGenLevel(GENERATED_FULLY); + + /* + Save changed parts of map + */ + save(true); + + /* + Return central chunk (which was requested) + */ + return chunk; +} + +MapChunk* ServerMap::generateChunk(v2s16 chunkpos1, + core::map &changed_blocks) +{ + dstream<<"generateChunk(): Generating chunk " + <<"("<getGenLevel() == GENERATED_FULLY) + continue; + generateChunkRaw(chunkpos0, changed_blocks); + } + + assert(chunkNonVolatile(chunkpos1)); + + MapChunk *chunk = getChunk(chunkpos1); + return chunk; +} + +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"< MAP_GENERATION_LIMIT / MAP_BLOCKSIZE || p2d.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE || p2d.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE) - throw InvalidPositionException("emergeSector(): pos. over limit"); + throw InvalidPositionException("createSector(): pos. over limit"); /* - Generate sector and heightmaps + Generate blank sector */ - // Number of heightmaps in sector in each direction - u16 hm_split = SECTOR_HEIGHTMAP_SPLIT; - - // Heightmap side width - s16 hm_d = MAP_BLOCKSIZE / hm_split; - - ServerMapSector *sector = new ServerMapSector(this, p2d, hm_split); - - /*dstream<<"Generating sector ("<getGroundHeight(mhm_p+v2s16(0,0)), - m_heightmap->getGroundHeight(mhm_p+v2s16(1,0)), - m_heightmap->getGroundHeight(mhm_p+v2s16(1,1)), - m_heightmap->getGroundHeight(mhm_p+v2s16(0,1)), - }; - - /*dstream<<"p_in_sector=("<setHeightmap(p_in_sector, hm); - - //TODO: Make these values configurable - //hm->generateContinued(0.0, 0.0, corners); - hm->generateContinued(0.5, 0.2, corners); - //hm->generateContinued(1.0, 0.2, corners); - //hm->generateContinued(2.0, 0.2, corners); - - //hm->print(); - - } + // Sector position on map in nodes + v2s16 nodepos2d = p2d * MAP_BLOCKSIZE; /* - Generate objects + Insert to container */ + m_sectors.insert(p2d, sector); - core::map *objects = new core::map; - sector->setObjects(objects); - - v2s16 mhm_p = p2d * hm_split; - f32 corners[4] = { - m_heightmap->getGroundHeight(mhm_p+v2s16(0,0)*hm_split), - m_heightmap->getGroundHeight(mhm_p+v2s16(1,0)*hm_split), - m_heightmap->getGroundHeight(mhm_p+v2s16(1,1)*hm_split), - m_heightmap->getGroundHeight(mhm_p+v2s16(0,1)*hm_split), - }; + return sector; +} + +MapSector * ServerMap::emergeSector(v2s16 p2d, + core::map &changed_blocks) +{ + DSTACK("%s: p2d=(%d,%d)", + __FUNCTION_NAME, + p2d.X, p2d.Y); - float avgheight = (corners[0]+corners[1]+corners[2]+corners[3])/4.0; - float avgslope = 0.0; - avgslope += fabs(avgheight - corners[0]); - avgslope += fabs(avgheight - corners[1]); - avgslope += fabs(avgheight - corners[2]); - avgslope += fabs(avgheight - corners[3]); - avgslope /= 4.0; - avgslope /= MAP_BLOCKSIZE; - //dstream<<"avgslope="<getSlope(p2d+v2s16(0,0)); - pitness += -a.X; - pitness += -a.Y; - a = m_heightmap->getSlope(p2d+v2s16(0,1)); - pitness += -a.X; - pitness += a.Y; - a = m_heightmap->getSlope(p2d+v2s16(1,1)); - pitness += a.X; - pitness += a.Y; - a = m_heightmap->getSlope(p2d+v2s16(1,0)); - pitness += a.X; - pitness += -a.Y; - pitness /= 4.0; - pitness /= MAP_BLOCKSIZE; - //dstream<<"pitness="< 0.03) - tree_max = a / (t/0.03); - else - tree_max = a; - u32 count = (rand()%(tree_max+1)); - //u32 count = tree_max; - for(u32 i=0; igetGroundHeight(v2s16(x,z))+1; - if(y < WATER_LEVEL) - continue; - objects->insert(v3s16(x, y, z), - SECTOR_OBJECT_TREE_1); - } - } /* - Plant some bushes if sector is pit-like + 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) { - // Pitness usually goes at around -0.5...0.5 - u32 bush_max = 0; - u32 a = MAP_BLOCKSIZE * 3.0 * m_params.plants_amount; - if(pitness > 0) - bush_max = (pitness*a*4); - if(bush_max > a) - bush_max = a; - u32 count = (rand()%(bush_max+1)); - for(u32 i=0; igetGroundHeight(v2s16(x,z))+1; - if(y < WATER_LEVEL) - continue; - objects->insert(v3s16(x, y, z), - SECTOR_OBJECT_BUSH_1); - } + // Generate chunk and neighbors + generateChunk(chunkpos, changed_blocks); } + + /* + Return sector if it exists now + */ + MapSector *sector = getSectorNoGenerateNoEx(p2d); + if(sector != NULL) + return sector; + /* - Add ravine (randomly) + Try to load it from disk */ - if(m_params.ravines_amount != 0) + if(loadSectorFull(p2d) == true) { - if(rand()%(s32)(20.0 / m_params.ravines_amount) == 0) + MapSector *sector = getSectorNoGenerateNoEx(p2d); + if(sector == NULL) { - s16 s = 6; - s16 x = rand()%(MAP_BLOCKSIZE-s*2-1)+s; - s16 z = rand()%(MAP_BLOCKSIZE-s*2-1)+s; - /*s16 x = 8; - s16 z = 8;*/ - s16 y = sector->getGroundHeight(v2s16(x,z))+1; - objects->insert(v3s16(x, y, z), - SECTOR_OBJECT_RAVINE); + dstream<<"ServerMap::emergeSector(): loadSectorFull didn't make a sector"< &changed_blocks, core::map &lighting_invalidated_blocks ) { - DSTACK("%s: p=(%d,%d,%d), only_from_disk=%d", + DSTACK("%s: p=(%d,%d,%d)", __FUNCTION_NAME, - p.X, p.Y, p.Z, only_from_disk); - - /*dstream<<"ServerMap::emergeBlock(): " + p.X, p.Y, p.Z); + + /*dstream<<"generateBlock(): " <<"("<getBlockNoCreate(block_y); - if(block->isDummy() == true) - not_on_disk = true; - else - return block; + /* + 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); } - catch(InvalidPositionException &e) + else { - not_on_disk = true; + // 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 block was not found on disk and not going to generate a - new one, make sure there is a dummy block in place. - */ - if(not_on_disk && only_from_disk) + u8 water_material = CONTENT_WATERSOURCE; + + s32 lowest_ground_y = 32767; + s32 highest_ground_y = -32768; + + for(s16 z0=0; z0getInterpolatedFloat(nodepos2d); + } +#endif + + //dstream<<"generateBlock(): Done"<createBlankBlockNoInsert(block_y); + underground_emptiness[i] = 0; } - else + + // Fill table +#if 1 { - // Remove the block so that nobody can get a half-generated one. - sector->removeBlock(block); - // Allocate the block to be a proper one. - block->unDummify(); - } + /* + 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; ygetPosRelative(); + 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; ygetPosRelative(); + 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; ygetPosRelative(); + 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; ygetPosRelative(); + 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; xgetPosRelative(); + 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; xgetPosRelative(); + if(getNode(ap).d == CONTENT_AIR) + { + orp = v3f(x+1,ued-1,z+1); + found_existing = true; + goto continue_generating; + } + } + } + catch(InvalidPositionException &e){} - // Randomize a bit. This makes dungeons. - /*bool low_block_is_empty = false; - if(rand() % 4 == 0) - low_block_is_empty = true;*/ - - const s32 ued = 4; - //const s32 ued = 8; - bool underground_emptiness[ued*ued*ued]; - for(s32 i=0; iprintHeightmaps(); + // Set to true if has caves. + // Set when some non-air is changed to air when making caves. + bool has_dungeons = false; + + /* + Apply temporary cave data to block + */ for(s16 z0=0; z0 highest_ground_y) - highest_ground_y = surface_y; - - s32 surface_depth = 0; - - float slope = sector->getSlope(v2s16(x0,z0)).getLength(); - - //float min_slope = 0.45; - //float max_slope = 0.85; - float min_slope = 0.60; - float max_slope = 1.20; - float min_slope_depth = 5.0; - float max_slope_depth = 0; - if(slope < min_slope) - surface_depth = min_slope_depth; - else if(slope > max_slope) - surface_depth = max_slope_depth; - else - surface_depth = (1.-(slope-min_slope)/max_slope) * min_slope_depth; - for(s16 y0=0; y0 surface_y) - n.setLight(LIGHTBANK_DAY, LIGHT_SUN); - - /* - Calculate material - */ + MapNode n = block->getNode(v3s16(x0,y0,z0)); - if(real_y <= surface_y - surface_depth) + // Create dungeons + if(underground_emptiness[ + ued*ued*(z0*ued/MAP_BLOCKSIZE) + +ued*(y0*ued/MAP_BLOCKSIZE) + +(x0*ued/MAP_BLOCKSIZE)]) { - // Create dungeons - 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_dungeons = true; + // Set air to node n.d = CONTENT_AIR; } - else - { - n.d = CONTENT_STONE; - } - } - // If node is at or under heightmap y - else if(real_y <= surface_y) - { - // 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 it's the main material - else - n.d = material; - } - // If node is over heightmap y - else{ - // 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)); - } - // else air - else - n.d = CONTENT_AIR; } + block->setNode(v3s16(x0,y0,z0), n); } } - + /* - Calculate is_underground + This is used for guessing whether or not the block should + receive sunlight from the top if the block above doesn't exist */ - // Probably underground if the highest part of block is under lowest - // ground height - bool is_underground = (block_y+1) * MAP_BLOCKSIZE <= lowest_ground_y; - block->setIsUnderground(is_underground); + block->setIsUnderground(completely_underground); /* - Force lighting update if some part of block is underground - This is needed because of caves. + Force lighting update if some part of block is partly + underground and has caves. */ - - bool some_part_underground = (block_y+0) * MAP_BLOCKSIZE < highest_ground_y; - if(some_part_underground) - //if(is_underground) + /*if(some_part_underground && !completely_underground && has_dungeons) { + //dstream<<"Half-ground caves"<getPos()] = block; - } + }*/ + // DEBUG: Always update lighting + //lighting_invalidated_blocks[block->getPos()] = block; + /* Add some minerals */ @@ -1954,30 +4286,24 @@ MapBlock * ServerMap::emergeBlock( /* Add meseblocks */ - for(s16 i=0; igetNode(cp).d)) - if(block->getNode(cp).d == CONTENT_STONE) - if(rand()%8 == 0) - block->setNode(cp, n); - - for(u16 i=0; i<26; i++) + for(u16 i=0; i<27; i++) { - //if(is_ground_content(block->getNode(cp+g_26dirs[i]).d)) - if(block->getNode(cp+g_26dirs[i]).d == CONTENT_STONE) - if(rand()%8 == 0) - block->setNode(cp+g_26dirs[i], n); + if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE) + if(myrand()%8 == 0) + block->setNode(cp+g_27dirs[i], n); } } } @@ -1985,38 +4311,64 @@ MapBlock * ServerMap::emergeBlock( /* Add coal */ - u16 coal_amount = 30.0 * g_settings.getFloat("coal_amount"); + u16 coal_amount = 30; u16 coal_rareness = 60 / coal_amount; if(coal_rareness == 0) coal_rareness = 1; - if(rand()%coal_rareness == 0) + if(myrand()%coal_rareness == 0) { - u16 a = rand() % 16; + u16 a = myrand() % 16; u16 amount = coal_amount * a*a*a / 1000; for(s16 i=0; igetNode(cp).d)) - if(block->getNode(cp).d == CONTENT_STONE) - if(rand()%8 == 0) - block->setNode(cp, n); + 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; igetNode(cp+g_26dirs[i]).d)) - if(block->getNode(cp+g_26dirs[i]).d == CONTENT_STONE) - if(rand()%8 == 0) - block->setNode(cp+g_26dirs[i], n); + if(block->getNode(cp+g_27dirs[i]).d == CONTENT_STONE) + if(myrand()%8 == 0) + block->setNode(cp+g_27dirs[i], n); } } } @@ -2025,21 +4377,21 @@ MapBlock * ServerMap::emergeBlock( /* Create a few rats in empty blocks underground */ - if(is_underground) + if(completely_underground) { //for(u16 i=0; i<2; i++) { v3s16 cp( - (rand()%(MAP_BLOCKSIZE-2))+1, - (rand()%(MAP_BLOCKSIZE-2))+1, - (rand()%(MAP_BLOCKSIZE-2))+1 + (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)); + RatObject *obj = new RatObject(NULL, -1, intToFloat(cp, BS)); block->addObject(obj); } } @@ -2050,199 +4402,284 @@ MapBlock * ServerMap::emergeBlock( */ sector->insertBlock(block); + // Lighting is invalid after generation. + block->setLightingExpired(true); + +#if 0 /* - Sector object stuff + Debug information */ - - // An y-wise container of changed blocks - core::map changed_blocks_sector; + dstream + <<"lighting_invalidated_blocks.size()" + <<", has_dungeons" + <<", completely_ug" + <<", some_part_ug" + <<" "< *objects = sector->getObjects(); - core::list objects_to_remove; - for(core::map::Iterator i = objects->getIterator(); - i.atEnd() == false; i++) + 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) { - v3s16 p = i.getNode()->getKey(); - v2s16 p2d(p.X,p.Z); - u8 d = i.getNode()->getValue(); + dstream<<"createBlock: createSector() failed"<isValidArea(p + v3s16(0,0,0), - p + v3s16(0,0,0), &changed_blocks_sector)) - { - MapNode n; - n.d = CONTENT_TORCH; - sector->setNode(p, n); - objects_to_remove.push_back(p); - } - } - else if(d == SECTOR_OBJECT_TREE_1) - { - v3s16 p_min = p + v3s16(-1,0,-1); - v3s16 p_max = p + v3s16(1,4,1); - if(sector->isValidArea(p_min, p_max, - &changed_blocks_sector)) - { - MapNode n; - n.d = CONTENT_TREE; - sector->setNode(p+v3s16(0,0,0), n); - sector->setNode(p+v3s16(0,1,0), n); - sector->setNode(p+v3s16(0,2,0), n); - sector->setNode(p+v3s16(0,3,0), n); + 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 &changed_blocks, + core::map &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: " + <setNode(p+v3s16(0,4,0), n); - - sector->setNode(p+v3s16(-1,4,0), n); - sector->setNode(p+v3s16(1,4,0), n); - sector->setNode(p+v3s16(0,4,-1), n); - sector->setNode(p+v3s16(0,4,1), n); - sector->setNode(p+v3s16(1,4,1), n); - sector->setNode(p+v3s16(-1,4,1), n); - sector->setNode(p+v3s16(-1,4,-1), n); - sector->setNode(p+v3s16(1,4,-1), n); - - sector->setNode(p+v3s16(-1,3,0), n); - sector->setNode(p+v3s16(1,3,0), n); - sector->setNode(p+v3s16(0,3,-1), n); - sector->setNode(p+v3s16(0,3,1), n); - sector->setNode(p+v3s16(1,3,1), n); - sector->setNode(p+v3s16(-1,3,1), n); - sector->setNode(p+v3s16(-1,3,-1), n); - sector->setNode(p+v3s16(1,3,-1), n); - - objects_to_remove.push_back(p); - - // Lighting has to be recalculated for this one. - sector->getBlocksInArea(p_min, p_max, - lighting_invalidated_blocks); - } - } - else if(d == SECTOR_OBJECT_BUSH_1) - { - if(sector->isValidArea(p + v3s16(0,0,0), - p + v3s16(0,0,0), &changed_blocks_sector)) - { - MapNode n; - n.d = CONTENT_LEAVES; - sector->setNode(p+v3s16(0,0,0), n); - - objects_to_remove.push_back(p); - } - } - else if(d == SECTOR_OBJECT_RAVINE) - { - s16 maxdepth = -20; - v3s16 p_min = p + v3s16(-6,maxdepth,-6); - v3s16 p_max = p + v3s16(6,6,6); - if(sector->isValidArea(p_min, p_max, - &changed_blocks_sector)) - { - MapNode n; - n.d = CONTENT_STONE; - MapNode n2; - n2.d = CONTENT_AIR; - s16 depth = maxdepth + (rand()%10); - s16 z = 0; - s16 minz = -6 - (-2); - s16 maxz = 6 -1; - for(s16 x=-6; x<=6; x++) - { - z += -1 + (rand()%3); - if(z < minz) - z = minz; - if(z > maxz) - z = maxz; - for(s16 y=depth+(rand()%2); y<=6; y++) - { - /*std::cout<<"("<getNode(p2).d) - && !is_mineral(sector->getNode(p2).d)) - sector->setNode(p2, n); - } - { - v3s16 p2 = p + v3s16(x,y,z-1); - if(is_ground_content(sector->getNode(p2).d) - && !is_mineral(sector->getNode(p2).d)) - sector->setNode(p2, n2); - } - { - v3s16 p2 = p + v3s16(x,y,z+0); - if(is_ground_content(sector->getNode(p2).d) - && !is_mineral(sector->getNode(p2).d)) - sector->setNode(p2, n2); - } - { - v3s16 p2 = p + v3s16(x,y,z+1); - if(is_ground_content(sector->getNode(p2).d) - && !is_mineral(sector->getNode(p2).d)) - sector->setNode(p2, n); - } + 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"<getNode(p+v3s16(x,y,z+1)).solidness()==2) - //if(p.Y+y <= sector->getGroundHeight(p2d+v2s16(x,z-2))+0.5) - } - } - - objects_to_remove.push_back(p); - - // Lighting has to be recalculated for this one. - sector->getBlocksInArea(p_min, p_max, - lighting_invalidated_blocks); - } - } - else + if(block == NULL) { - dstream<<"ServerMap::emergeBlock(): " - "Invalid heightmap object" - < making one"<::Iterator i = objects_to_remove.begin(); - i != objects_to_remove.end(); i++) + if(lighting_expired) { - objects->remove(*i); + lighting_invalidated_blocks.insert(p, block); } - for(core::map::Iterator - i = changed_blocks_sector.getIterator(); - i.atEnd() == false; i++) + /* + Initially update sunlight + */ + { - MapBlock *block = i.getNode()->getValue(); + core::map 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; + } - changed_blocks.insert(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 + */ + double level = base_rock_level_2d(m_seed, p2d); + return (s16)level; +} + void ServerMap::createDir(std::string path) { if(fs::CreateDir(path) == false) @@ -2294,12 +4731,6 @@ v3s16 ServerMap::getBlockPos(std::string sectordir, std::string blockfile) return v3s16(p2d.X, y, p2d.Y); } -// Debug helpers -#define ENABLE_SECTOR_SAVING 1 -#define ENABLE_SECTOR_LOADING 1 -#define ENABLE_BLOCK_SAVING 1 -#define ENABLE_BLOCK_LOADING 1 - void ServerMap::save(bool only_changed) { DSTACK(__FUNCTION_NAME); @@ -2313,7 +4744,8 @@ void ServerMap::save(bool only_changed) dstream<getValue(); assert(sector->getId() == MAPSECTOR_SERVER); - - if(ENABLE_SECTOR_SAVING) + + if(sector->differs_from_disk || only_changed == false) { - if(sector->differs_from_disk || only_changed == false) - { - saveSectorMeta(sector); - sector_meta_count++; - } + saveSectorMeta(sector); + sector_meta_count++; } - if(ENABLE_BLOCK_SAVING) + core::list blocks; + sector->getBlocks(blocks); + core::list::Iterator j; + for(j=blocks.begin(); j!=blocks.end(); j++) { - core::list blocks; - sector->getBlocks(blocks); - core::list::Iterator j; - for(j=blocks.begin(); j!=blocks.end(); j++) + MapBlock *block = *j; + if(block->getChangedFlag() || only_changed == false) { - MapBlock *block = *j; - if(block->getChangedFlag() || only_changed == false) - { - saveBlock(block); - block_count++; - } + saveBlock(block); + block_count++; + + /*dstream<<"ServerMap: Written block (" + <getPos().X<<"," + <getPos().Y<<"," + <getPos().Z<<")" + < list = fs::GetDirListing(m_savedir+"/sectors/"); @@ -2407,72 +4840,211 @@ void ServerMap::loadAll() // This catches unknown crap in directory } - if(ENABLE_BLOCK_LOADING) + std::vector list2 = fs::GetDirListing + (m_savedir+"/sectors/"+i->name); + std::vector::iterator i2; + for(i2=list2.begin(); i2!=list2.end(); i2++) { - std::vector list2 = fs::GetDirListing - (m_savedir+"/sectors/"+i->name); - std::vector::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) { - // We want files - if(i2->dir) - continue; - try{ - loadBlock(i->name, i2->name, sector); - } - catch(InvalidFilenameException &e) - { - // This catches unknown crap in directory - } + // This catches unknown crap in directory } } } dstream< hmdata = m_heightmap->serialize(version); - /* - [0] u8 serialization version - [1] X master heightmap - */ - u32 fullsize = 1 + hmdata.getSize(); - SharedBuffer data(fullsize); + //u8 version = SER_FMT_VER_HIGHEST; +} - data[0] = version; - memcpy(&data[1], *hmdata, hmdata.getSize()); +void ServerMap::loadMasterHeightmap() +{ + DSTACK(__FUNCTION_NAME); + + dstream<<"DEPRECATED: "<<__FUNCTION_NAME<serialize(o, version); } -void ServerMap::loadMasterHeightmap() +void ServerMap::loadMapMeta() +{ + DSTACK(__FUNCTION_NAME); + + dstream<<"INFO: ServerMap::loadMapMeta(): Loading chunk metadata" + <::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); + } +} + +void ServerMap::loadChunkMeta() { DSTACK(__FUNCTION_NAME); - std::string fullpath = m_savedir + "/master_heightmap"; + + dstream<<"INFO: ServerMap::loadChunkMeta(): Loading chunk metadata" + <deSerialize(is, version); + m_chunks.insert(p, chunk); + } } void ServerMap::saveSectorMeta(ServerMapSector *sector) @@ -2487,10 +5059,10 @@ void ServerMap::saveSectorMeta(ServerMapSector *sector) std::string dir = getSectorDir(pos); createDir(dir); - std::string fullpath = dir + "/heightmap"; + std::string fullpath = dir + "/meta"; std::ofstream o(fullpath.c_str(), std::ios_base::binary); if(o.good() == false) - throw FileNotGoodException("Cannot open master heightmap"); + throw FileNotGoodException("Cannot open sector metafile"); sector->serialize(o, version); @@ -2504,13 +5076,13 @@ MapSector* ServerMap::loadSectorMeta(std::string dirname) v2s16 p2d = getSectorPos(dirname); std::string dir = m_savedir + "/sectors/" + dirname; - std::string fullpath = dir + "/heightmap"; + std::string fullpath = dir + "/meta"; std::ifstream is(fullpath.c_str(), std::ios_base::binary); if(is.good() == false) - throw FileNotGoodException("Cannot open sector heightmap"); + throw FileNotGoodException("Cannot open sector metafile"); ServerMapSector *sector = ServerMapSector::deSerialize - (is, this, p2d, &m_hwrapper, m_sectors); + (is, this, p2d, m_sectors); sector->differs_from_disk = false; @@ -2541,51 +5113,28 @@ bool ServerMap::loadSectorFull(v2s16 p2d) { return false; } - - if(ENABLE_BLOCK_LOADING) + + /* + Load blocks + */ + std::vector list2 = fs::GetDirListing + (m_savedir+"/sectors/"+sectorsubdir); + std::vector::iterator i2; + for(i2=list2.begin(); i2!=list2.end(); i2++) { - std::vector list2 = fs::GetDirListing - (m_savedir+"/sectors/"+sectorsubdir); - std::vector::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 - } + // We want files + if(i2->dir) + continue; + try{ + loadBlock(sectorsubdir, i2->name, sector); } - } - return true; -} - -#if 0 -bool ServerMap::deFlushSector(v2s16 p2d) -{ - DSTACK(__FUNCTION_NAME); - // See if it already exists in memory - try{ - MapSector *sector = getSectorNoGenerate(p2d); - return true; - } - catch(InvalidPositionException &e) - { - /* - Try to load the sector from disk. - */ - if(loadSectorFull(p2d) == true) + catch(InvalidFilenameException &e) { - return true; + // This catches unknown crap in directory } } - return false; + return true; } -#endif void ServerMap::saveBlock(MapBlock *block) { @@ -2645,93 +5194,77 @@ void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSecto try{ - // Block file is map/sectors/xxxxxxxx/xxxx - std::string fullpath = m_savedir+"/sectors/"+sectordir+"/"+blockfile; - std::ifstream is(fullpath.c_str(), std::ios_base::binary); - if(is.good() == false) - throw FileNotGoodException("Cannot open block file"); + // Block file is map/sectors/xxxxxxxx/xxxx + std::string fullpath = m_savedir+"/sectors/"+sectordir+"/"+blockfile; + 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); + 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); - /*u32 block_size = MapBlock::serializedLength(version); - SharedBuffer data(block_size); - is.read((char*)*data, block_size);*/ + if(is.fail()) + throw SerializationError("ServerMap::loadBlock(): Failed" + " to read MapBlock version"); - // This will always return a sector because we're the server - //MapSector *sector = emergeSector(p2d); + /*u32 block_size = MapBlock::serializedLength(version); + SharedBuffer data(block_size); + is.read((char*)*data, block_size);*/ - 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); - } + // This will always return a sector because we're the server + //MapSector *sector = emergeSector(p2d); - if(created_new) - sector->insertBlock(block); - - /* - Convert old formats to new and save - */ + 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); + } - // 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(); + 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." + "(SerializationError). Ignoring. " + "A new one will be generated." <getGroundHeight - ((p2d+v2s16(0,0))*SECTOR_HEIGHTMAP_SPLIT); - corners[1] = m_heightmap->getGroundHeight - ((p2d+v2s16(1,0))*SECTOR_HEIGHTMAP_SPLIT); - corners[2] = m_heightmap->getGroundHeight - ((p2d+v2s16(1,1))*SECTOR_HEIGHTMAP_SPLIT); - corners[3] = m_heightmap->getGroundHeight - ((p2d+v2s16(0,1))*SECTOR_HEIGHTMAP_SPLIT); + } } void ServerMap::PrintInfo(std::ostream &out) @@ -2747,9 +5280,7 @@ void ServerMap::PrintInfo(std::ostream &out) ClientMap::ClientMap( Client *client, - JMutex &range_mutex, - s16 &viewing_range_nodes, - bool &viewing_range_all, + MapDrawControl &control, scene::ISceneNode* parent, scene::ISceneManager* mgr, s32 id @@ -2757,34 +5288,26 @@ ClientMap::ClientMap( Map(dout_client), scene::ISceneNode(parent, mgr, id), m_client(client), - mesh(NULL), - m_range_mutex(range_mutex), - m_viewing_range_nodes(viewing_range_nodes), - m_viewing_range_all(viewing_range_all) -{ - mesh_mutex.Init(); - - /*m_box = core::aabbox3d(0,0,0, - map->getW()*BS, map->getH()*BS, map->getD()*BS);*/ - /*m_box = core::aabbox3d(0,0,0, - map->getSizeNodes().X * BS, - map->getSizeNodes().Y * BS, - map->getSizeNodes().Z * BS);*/ + 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(-BS*1000000,-BS*1000000,-BS*1000000, BS*1000000,BS*1000000,BS*1000000); - - //setPosition(v3f(BS,BS,BS)); } ClientMap::~ClientMap() { - JMutexAutoLock lock(mesh_mutex); + /*JMutexAutoLock lock(mesh_mutex); if(mesh != NULL) { mesh->drop(); mesh = NULL; - } + }*/ } MapSector * ClientMap::emergeSector(v2s16 p2d) @@ -2798,7 +5321,7 @@ MapSector * ClientMap::emergeSector(v2s16 p2d) { } - // Create a sector with no heightmaps + // Create a sector ClientMapSector *sector = new ClientMapSector(this, p2d); { @@ -2861,23 +5384,7 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) */ int time1 = time(0); - //s32 daynight_i = m_client->getDayNightIndex(); - u32 daynight_ratio = m_client->getDayNightRatio(); - - /* - Collect all blocks that are in the view range - - Should not optimize more here as we want to auto-update - all changed nodes in viewing range at the next step. - */ - - s16 viewing_range_nodes; - bool viewing_range_all; - { - JMutexAutoLock lock(m_range_mutex); - viewing_range_nodes = m_viewing_range_nodes; - viewing_range_all = m_viewing_range_all; - } + //u32 daynight_ratio = m_client->getDayNightRatio(); m_camera_mutex.Lock(); v3f camera_position = m_camera_position; @@ -2893,7 +5400,7 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) camera_position.Y / BS, camera_position.Z / BS); - v3s16 box_nodes_d = viewing_range_nodes * v3s16(1,1,1); + 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; @@ -2912,12 +5419,14 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) // 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::Iterator si; si = m_sectors.getIterator(); for(; si.atEnd() == false; si++) @@ -2926,6 +5435,7 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) timecheck_counter++; if(timecheck_counter > 50) { + timecheck_counter = 0; int time2 = time(0); if(time2 > time1 + 4) { @@ -2940,7 +5450,7 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) MapSector *sector = si.getNode()->getValue(); v2s16 sp = sector->getPos(); - if(viewing_range_all == false) + if(m_control.range_all == false) { if(sp.X < p_blocks_min.X || sp.X > p_blocks_max.X @@ -2966,59 +5476,30 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) if not seen on display */ - v3s16 blockpos_nodes = block->getPosRelative(); - - // Block center position - v3f blockpos( - ((float)blockpos_nodes.X + MAP_BLOCKSIZE/2) * BS, - ((float)blockpos_nodes.Y + MAP_BLOCKSIZE/2) * BS, - ((float)blockpos_nodes.Z + MAP_BLOCKSIZE/2) * BS - ); - - // Block position relative to camera - v3f blockpos_relative = blockpos - camera_position; - - // Distance in camera direction (+=front, -=back) - f32 dforward = blockpos_relative.dotProduct(camera_direction); - - // Total distance - f32 d = blockpos_relative.getLength(); - - if(viewing_range_all == false) - { - // If block is far away, don't draw it - if(d > viewing_range_nodes * BS) - // This is nicer when fog is used - //if((dforward+d)/2 > viewing_range_nodes * BS) - continue; - } - - // Maximum radius of a block - f32 block_max_radius = 0.5*1.44*1.44*MAP_BLOCKSIZE*BS; + float range = 100000 * BS; + if(m_control.range_all == false) + range = m_control.wanted_range * BS; - // If block is (nearly) touching the camera, don't - // bother validating further (that is, render it anyway) - if(d > block_max_radius * 1.5) + float d = 0.0; + if(isBlockInSight(block->getPos(), camera_position, + camera_direction, range, &d) == false) { - // Cosine of the angle between the camera direction - // and the block direction (camera_direction is an unit vector) - f32 cosangle = dforward / d; - - // Compensate for the size of the block - // (as the block has to be shown even if it's a bit off FOV) - // This is an estimate. - cosangle += block_max_radius / dforward; - - // If block is not in the field of view, skip it - //if(cosangle < cos(FOV_ANGLE/2)) - if(cosangle < cos(FOV_ANGLE/2. * 4./3.)) - continue; + continue; } + // This is ugly (spherical distance limit?) + /*if(m_control.range_all == false && + d - 0.5*BS*MAP_BLOCKSIZE > range) + continue;*/ + +#if 1 /* - Draw the faces of the block + Update expired mesh (used for day/night change) + + It doesn't work exactly like it should now with the + tasked mesh update but whatever. */ -#if 1 + bool mesh_expired = false; { @@ -3033,41 +5514,36 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) } f32 faraway = BS*50; - //f32 faraway = viewing_range_nodes * BS; + //f32 faraway = m_control.wanted_range * BS; /* This has to be done with the mesh_mutex unlocked */ - if(mesh_expired && mesh_update_count < 6 - && (d < faraway || mesh_update_count < 3)) - //if(mesh_expired && mesh_update_count < 4) + // 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->updateMeshes(daynight_i); - block->updateMesh(daynight_ratio); + //block->updateMesh(daynight_ratio); + m_client->addUpdateMeshTask(block->getPos()); mesh_expired = false; } +#endif /* - Don't draw an expired mesh that is far away + Draw the faces of the block */ - /*if(mesh_expired && d >= faraway) - //if(mesh_expired) - { - // Instead, delete it - JMutexAutoLock lock(block->mesh_mutex); - if(block->mesh) - { - block->mesh->drop(); - block->mesh = NULL; - } - // And continue to next block - continue; - }*/ -#endif { JMutexAutoLock lock(block->mesh_mutex); @@ -3075,6 +5551,13 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) 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(); @@ -3088,6 +5571,11 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) // 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(); @@ -3096,13 +5584,18 @@ void ClientMap::renderMap(video::IVideoDriver* driver, s32 pass) } } // foreach sectorblocks } + + m_control.blocks_drawn = blocks_drawn; + m_control.blocks_would_have_drawn = blocks_would_have_drawn; /*dstream<<"renderMap(): is_transparent_pass="< *affected_blocks) { + bool changed = false; /* Add it to all blocks touching it */ @@ -3125,12 +5618,31 @@ v3s16 ClientMap::setTempMod(v3s16 p, NodeMod mod) continue; // Relative position of requested node v3s16 relpos = p - blockpos*MAP_BLOCKSIZE; - blockref->setTempMod(relpos, mod); + 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 getNodeBlockPos(p); + return changed; } -v3s16 ClientMap::clearTempMod(v3s16 p) + +bool ClientMap::clearTempMod(v3s16 p, + core::map *affected_blocks) { + bool changed = false; v3s16 dirs[7] = { v3s16(0,0,0), // this v3s16(0,0,1), // back @@ -3150,10 +5662,134 @@ v3s16 ClientMap::clearTempMod(v3s16 p) continue; // Relative position of requested node v3s16 relpos = p - blockpos*MAP_BLOCKSIZE; - blockref->clearTempMod(relpos); + 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::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; jupdateMesh(daynight_ratio); } - return getNodeBlockPos(p); } +#endif void ClientMap::PrintInfo(std::ostream &out) { @@ -3177,7 +5813,6 @@ MapVoxelManipulator::~MapVoxelManipulator() <getNode(a.MinEdge + p); - m_data[i] = n; - m_flags[i] = 0; - } - catch(InvalidPositionException &e) - { - m_flags[i] = VOXELFLAG_INEXISTENT; - } - } -} -#endif - /* - TODO: Add an option to only update eg. water and air nodes. + 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. */ @@ -3290,6 +5888,9 @@ void MapVoxelManipulator::blitBack return; //TimeTaker timer1("blitBack"); + + /*dstream<<"blitBack(): m_loaded_blocks.size()=" + <= 1) + { + dstream<<"initialEmerge: area: "; + block_area_nodes.print(dstream); + dstream<<" ("<::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 * modified_blocks) +{ + if(m_area.getExtent() == v3s16(0,0,0)) + return; + + /* + Copy data of all blocks + */ + for(core::map::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 " + <<"("<copyFrom(*this); + + if(modified_blocks) + modified_blocks->insert(p, block); + } +} + //END