X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmapblock.cpp;h=0ca71e643d83f11a8413636eabeeff6d90102916;hb=49728d0b01e67cbb69aec394d7af5b81e86e5ebc;hp=ec10a49bb8c83a5346caca9dd385659eea995072;hpb=8bdde45895658f16aa6b2546ccb59c5c4c9fc699;p=minetest.git diff --git a/src/mapblock.cpp b/src/mapblock.cpp index ec10a49bb..0ca71e643 100644 --- a/src/mapblock.cpp +++ b/src/mapblock.cpp @@ -31,8 +31,9 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "content_nodemeta.h" // For legacy deserialization #include "serialization.h" #ifndef SERVER -#include "mapblock_mesh.h" +#include "client/mapblock_mesh.h" #endif +#include "porting.h" #include "util/string.h" #include "util/serialize.h" #include "util/basic_macros.h" @@ -69,66 +70,42 @@ MapBlock::MapBlock(Map *parent, v3s16 pos, IGameDef *gamedef, bool dummy): m_parent(parent), m_pos(pos), m_pos_relative(pos * MAP_BLOCKSIZE), - m_gamedef(gamedef), - m_modified(MOD_STATE_WRITE_NEEDED), - m_modified_reason(MOD_REASON_INITIAL), - is_underground(false), - m_lighting_complete(0xFFFF), - m_day_night_differs(false), - m_day_night_differs_expired(true), - m_generated(false), - m_timestamp(BLOCK_TIMESTAMP_UNDEFINED), - m_disk_timestamp(BLOCK_TIMESTAMP_UNDEFINED), - m_usage_timer(0), - m_refcount(0) + m_gamedef(gamedef) { - data = NULL; - if(dummy == false) + if (!dummy) reallocate(); - -#ifndef SERVER - mesh = NULL; -#endif } MapBlock::~MapBlock() { #ifndef SERVER { - //MutexAutoLock lock(mesh_mutex); - - if(mesh) - { - delete mesh; - mesh = NULL; - } + delete mesh; + mesh = nullptr; } #endif - if(data) - delete[] data; + delete[] data; } bool MapBlock::isValidPositionParent(v3s16 p) { - if(isValidPosition(p)) - { + if (isValidPosition(p)) { return true; } - else{ - return m_parent->isValidPosition(getPosRelative() + p); - } + + return m_parent->isValidPosition(getPosRelative() + p); } MapNode MapBlock::getNodeParent(v3s16 p, bool *is_valid_position) { - if (isValidPosition(p) == false) - return m_parent->getNodeNoEx(getPosRelative() + p, is_valid_position); + if (!isValidPosition(p)) + return m_parent->getNode(getPosRelative() + p, is_valid_position); - if (data == NULL) { + if (!data) { if (is_valid_position) *is_valid_position = false; - return MapNode(CONTENT_IGNORE); + return {CONTENT_IGNORE}; } if (is_valid_position) *is_valid_position = true; @@ -156,200 +133,6 @@ std::string MapBlock::getModifiedReasonString() return reason; } -/* - Propagates sunlight down through the block. - Doesn't modify nodes that are not affected by sunlight. - - Returns false if sunlight at bottom block is invalid. - Returns true if sunlight at bottom block is valid. - Returns true if bottom block doesn't exist. - - If there is a block above, continues from it. - If there is no block above, assumes there is sunlight, unless - is_underground is set or highest node is water. - - All sunlighted nodes are added to light_sources. - - if remove_light==true, sets non-sunlighted nodes black. - - if black_air_left!=NULL, it is set to true if non-sunlighted - air is left in block. -*/ -bool MapBlock::propagateSunlight(std::set & light_sources, - bool remove_light, bool *black_air_left) -{ - INodeDefManager *nodemgr = m_gamedef->ndef(); - - // Whether the sunlight at the top of the bottom block is valid - bool block_below_is_valid = true; - - v3s16 pos_relative = getPosRelative(); - - for(s16 x=0; xndef()) != LIGHT_SUN) - { - no_sunlight = true; - } - } - else - { - //no_top_block = true; - - // NOTE: This makes over-ground roofed places sunlighted - // Assume sunlight, unless is_underground==true - if(is_underground) - { - no_sunlight = true; - } - else - { - MapNode n = getNodeNoEx(v3s16(x, MAP_BLOCKSIZE-1, z)); - if(m_gamedef->ndef()->get(n).sunlight_propagates == false) - { - no_sunlight = true; - } - } - // NOTE: As of now, this just would make everything dark. - // No sunlight here - //no_sunlight = true; - } -#endif -#if 0 // Doesn't work; nothing gets light. - bool no_sunlight = true; - bool no_top_block = false; - // Check if node above block has sunlight - try{ - MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z)); - if(n.getLight(LIGHTBANK_DAY) == LIGHT_SUN) - { - no_sunlight = false; - } - } - catch(InvalidPositionException &e) - { - no_top_block = true; - } -#endif - - /*std::cout<<"("<ndef(); + const NodeDefManager *nodemgr = m_gamedef->ndef(); // Running this function un-expires m_day_night_differs m_day_night_differs_expired = false; - if (data == NULL) { + if (!data) { m_day_night_differs = false; return; } - bool differs; + bool differs = false; /* Check if any lighting value differs */ + + MapNode previous_n(CONTENT_IGNORE); for (u32 i = 0; i < nodecount; i++) { - MapNode &n = data[i]; + MapNode n = data[i]; + + // If node is identical to previous node, don't verify if it differs + if (n == previous_n) + continue; differs = !n.isLightDayNightEq(nodemgr); if (differs) break; + previous_n = n; } /* @@ -419,9 +209,7 @@ void MapBlock::actuallyUpdateDayNightDiff() void MapBlock::expireDayNightDiff() { - //INodeDefManager *nodemgr = m_gamedef->ndef(); - - if(data == NULL){ + if (!data) { m_day_night_differs = false; m_day_night_differs_expired = false; return; @@ -440,12 +228,11 @@ s16 MapBlock::getGroundLevel(v2s16 p2d) for(; y>=0; y--) { MapNode n = getNodeRef(p2d.X, y, p2d.Y); - if(m_gamedef->ndef()->get(n).walkable) - { + if (m_gamedef->ndef()->get(n).walkable) { if(y == MAP_BLOCKSIZE-1) return -2; - else - return y; + + return y; } } return -1; @@ -467,7 +254,7 @@ s16 MapBlock::getGroundLevel(v2s16 p2d) // mapblocks. static content_t getBlockNodeIdMapping_mapping[USHRT_MAX + 1]; static void getBlockNodeIdMapping(NameIdMapping *nimap, MapNode *nodes, - INodeDefManager *nodedef) + const NodeDefManager *nodedef) { memset(getBlockNodeIdMapping_mapping, 0xFF, (USHRT_MAX + 1) * sizeof(content_t)); @@ -489,7 +276,7 @@ static void getBlockNodeIdMapping(NameIdMapping *nimap, MapNode *nodes, const ContentFeatures &f = nodedef->get(global_id); const std::string &name = f.name; - if(name == "") + if (name.empty()) unknown_contents.insert(global_id); else nimap->set(id, name); @@ -498,11 +285,9 @@ static void getBlockNodeIdMapping(NameIdMapping *nimap, MapNode *nodes, // Update the MapNode nodes[i].setContent(id); } - for(std::set::const_iterator - i = unknown_contents.begin(); - i != unknown_contents.end(); ++i){ - errorstream<<"getBlockNodeIdMapping(): IGNORING ERROR: " - <<"Name for node id "<<(*i)<<" not known"<ndef(); + const NodeDefManager *nodedef = gamedef->ndef(); // This means the block contains incorrect ids, and we contain // the information to convert those to names. // nodedef contains information to convert our names to globally // correct ids. - std::set unnamed_contents; - std::set unallocatable_contents; + std::unordered_set unnamed_contents; + std::unordered_set unallocatable_contents; + + bool previous_exists = false; + content_t previous_local_id = CONTENT_IGNORE; + content_t previous_global_id = CONTENT_IGNORE; + for (u32 i = 0; i < MapBlock::nodecount; i++) { content_t local_id = nodes[i].getContent(); + // If previous node local_id was found and same than before, don't lookup maps + // apply directly previous resolved id + // This permits to massively improve loading performance when nodes are similar + // example: default:air, default:stone are massively present + if (previous_exists && local_id == previous_local_id) { + nodes[i].setContent(previous_global_id); + continue; + } + std::string name; - bool found = nimap->getName(local_id, name); - if(!found){ + if (!nimap->getName(local_id, name)) { unnamed_contents.insert(local_id); + previous_exists = false; continue; } + content_t global_id; - found = nodedef->getId(name, global_id); - if(!found){ + if (!nodedef->getId(name, global_id)) { global_id = gamedef->allocateUnknownNodeId(name); - if(global_id == CONTENT_IGNORE){ + if (global_id == CONTENT_IGNORE) { unallocatable_contents.insert(name); + previous_exists = false; continue; } } nodes[i].setContent(global_id); + + // Save previous node local_id & global_id result + previous_local_id = local_id; + previous_global_id = global_id; + previous_exists = true; } - for(std::set::const_iterator - i = unnamed_contents.begin(); - i != unnamed_contents.end(); ++i){ - errorstream<<"correctBlockNodeIds(): IGNORING ERROR: " - <<"Block contains id "<<(*i) - <<" with no name mapping"<::const_iterator - i = unallocatable_contents.begin(); - i != unallocatable_contents.end(); ++i){ - errorstream<<"correctBlockNodeIds(): IGNORING ERROR: " - <<"Could not allocate global id for node name \"" - <<(*i)<<"\""<= 27) { @@ -594,7 +394,7 @@ void MapBlock::serialize(std::ostream &os, u8 version, bool disk) writeU8(os, content_width); writeU8(os, params_width); MapNode::serializeBulk(os, version, tmp_nodes, nodecount, - content_width, params_width, true); + content_width, params_width, compression_level); delete[] tmp_nodes; } else @@ -604,7 +404,7 @@ void MapBlock::serialize(std::ostream &os, u8 version, bool disk) writeU8(os, content_width); writeU8(os, params_width); MapNode::serializeBulk(os, version, data, nodecount, - content_width, params_width, true); + content_width, params_width, compression_level); } /* @@ -612,7 +412,7 @@ void MapBlock::serialize(std::ostream &os, u8 version, bool disk) */ std::ostringstream oss(std::ios_base::binary); m_node_metadata.serialize(oss, version, disk); - compressZlib(oss.str(), os); + compressZlib(oss.str(), os, compression_level); /* Data that goes to disk, but not the network @@ -646,9 +446,7 @@ void MapBlock::serializeNetworkSpecific(std::ostream &os) throw SerializationError("ERROR: Not writing dummy block."); } - writeU8(os, 1); // version - writeF1000(os, 0); // deprecated heat - writeF1000(os, 0); // deprecated humidity + writeU8(os, 2); // version } void MapBlock::deSerialize(std::istream &is, u8 version, bool disk) @@ -667,13 +465,13 @@ void MapBlock::deSerialize(std::istream &is, u8 version, bool disk) } u8 flags = readU8(is); - is_underground = (flags & 0x01) ? true : false; - m_day_night_differs = (flags & 0x02) ? true : false; + is_underground = (flags & 0x01) != 0; + m_day_night_differs = (flags & 0x02) != 0; if (version < 27) m_lighting_complete = 0xFFFF; else m_lighting_complete = readU16(is); - m_generated = (flags & 0x08) ? false : true; + m_generated = (flags & 0x08) == 0; /* Bulk node data @@ -687,7 +485,7 @@ void MapBlock::deSerialize(std::istream &is, u8 version, bool disk) if(params_width != 2) throw SerializationError("MapBlock::deSerialize(): invalid params_width"); MapNode::deSerializeBulk(is, version, data, nodecount, - content_width, params_width, true); + content_width, params_width); /* NodeMetadata @@ -735,7 +533,7 @@ void MapBlock::deSerialize(std::istream &is, u8 version, bool disk) // Timestamp TRACESTREAM(<<"MapBlock::deSerialize "<= 1) { - readF1000(is); // deprecated heat - readF1000(is); // deprecated humidity - } - } - catch(SerializationError &e) - { + readU8(is); + //const u8 version = readU8(is); + //if (version != 1) + //throw SerializationError("unsupported MapBlock version"); + + } catch(SerializationError &e) { warningstream<<"MapBlock::deSerializeNetworkSpecific(): Ignoring an error" <<": "<= 18) - m_generated = (flags & 0x08) ? false : true; + m_generated = (flags & 0x08) == 0; // Uncompress data std::ostringstream os(std::ios_base::binary); @@ -874,13 +668,13 @@ void MapBlock::deSerialize_pre22(std::istream &is, u8 version, bool disk) // Ignore errors try { if (version <= 15) { - std::string data = deSerializeString(is); + std::string data = deSerializeString16(is); std::istringstream iss(data, std::ios_base::binary); content_nodemeta_deserialize_legacy(iss, &m_node_metadata, &m_node_timers, m_gamedef->idef()); } else { - //std::string data = deSerializeLongString(is); + //std::string data = deSerializeString32(is); std::ostringstream oss(std::ios_base::binary); decompressZlib(is, oss); std::istringstream iss(oss.str(), std::ios_base::binary); @@ -922,10 +716,10 @@ void MapBlock::deSerialize_pre22(std::istream &is, u8 version, bool disk) // Timestamp if (version >= 17) { - setTimestamp(readU32(is)); + setTimestampNoChangedFlag(readU32(is)); m_disk_timestamp = m_timestamp; } else { - setTimestamp(BLOCK_TIMESTAMP_UNDEFINED); + setTimestampNoChangedFlag(BLOCK_TIMESTAMP_UNDEFINED); } // Dynamically re-set ids based on node names @@ -943,7 +737,7 @@ void MapBlock::deSerialize_pre22(std::istream &is, u8 version, bool disk) // Legacy data changes // This code has to convert from pre-22 to post-22 format. - INodeDefManager *nodedef = m_gamedef->ndef(); + const NodeDefManager *nodedef = m_gamedef->ndef(); for(u32 i=0; iget(data[i].getContent()); @@ -997,8 +791,8 @@ std::string analyze_block(MapBlock *block) std::ostringstream desc; v3s16 p = block->getPos(); - char spos[20]; - snprintf(spos, 20, "(%2d,%2d,%2d), ", p.X, p.Y, p.Z); + char spos[25]; + porting::mt_snprintf(spos, sizeof(spos), "(%2d,%2d,%2d), ", p.X, p.Y, p.Z); desc<getModified())