diff options
Diffstat (limited to 'src/nodemetadata.cpp')
| -rw-r--r-- | src/nodemetadata.cpp | 103 |
1 files changed, 52 insertions, 51 deletions
diff --git a/src/nodemetadata.cpp b/src/nodemetadata.cpp index 0801a028b..0e8195c34 100644 --- a/src/nodemetadata.cpp +++ b/src/nodemetadata.cpp @@ -23,6 +23,7 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "inventory.h" #include "log.h" #include "util/serialize.h" +#include "util/basic_macros.h" #include "constants.h" // MAP_BLOCKSIZE #include <sstream> @@ -31,38 +32,46 @@ with this program; if not, write to the Free Software Foundation, Inc., */ NodeMetadata::NodeMetadata(IItemDefManager *item_def_mgr): - m_stringvars(), m_inventory(new Inventory(item_def_mgr)) -{ -} +{} NodeMetadata::~NodeMetadata() { delete m_inventory; } -void NodeMetadata::serialize(std::ostream &os) const +void NodeMetadata::serialize(std::ostream &os, u8 version, bool disk) const { - int num_vars = m_stringvars.size(); + int num_vars = disk ? m_stringvars.size() : countNonPrivate(); writeU32(os, num_vars); for (StringMap::const_iterator it = m_stringvars.begin(); it != m_stringvars.end(); ++it) { + bool priv = isPrivate(it->first); + if (!disk && priv) + continue; + os << serializeString(it->first); os << serializeLongString(it->second); + if (version >= 2) + writeU8(os, (priv) ? 1 : 0); } m_inventory->serialize(os); } -void NodeMetadata::deSerialize(std::istream &is) +void NodeMetadata::deSerialize(std::istream &is, u8 version) { - m_stringvars.clear(); + clear(); int num_vars = readU32(is); for(int i=0; i<num_vars; i++){ std::string name = deSerializeString(is); std::string var = deSerializeLongString(is); m_stringvars[name] = var; + if (version >= 2) { + if (readU8(is) == 1) + markPrivate(name, true); + } } m_inventory->deSerialize(is); @@ -70,20 +79,44 @@ void NodeMetadata::deSerialize(std::istream &is) void NodeMetadata::clear() { - m_stringvars.clear(); + Metadata::clear(); + m_privatevars.clear(); m_inventory->clear(); } bool NodeMetadata::empty() const { - return m_stringvars.size() == 0 && m_inventory->getLists().size() == 0; + return Metadata::empty() && m_inventory->getLists().size() == 0; +} + + +void NodeMetadata::markPrivate(const std::string &name, bool set) +{ + if (set) + m_privatevars.insert(name); + else + m_privatevars.erase(name); +} + +int NodeMetadata::countNonPrivate() const +{ + // m_privatevars can contain names not actually present + // DON'T: return m_stringvars.size() - m_privatevars.size(); + int n = 0; + for (StringMap::const_iterator + it = m_stringvars.begin(); + it != m_stringvars.end(); ++it) { + if (isPrivate(it->first) == false) + n++; + } + return n; } /* NodeMetadataList */ -void NodeMetadataList::serialize(std::ostream &os) const +void NodeMetadataList::serialize(std::ostream &os, u8 blockver, bool disk) const { /* Version 0 is a placeholder for "nothing to see here; go away." @@ -95,7 +128,8 @@ void NodeMetadataList::serialize(std::ostream &os) const return; } - writeU8(os, 1); // version + u8 version = (blockver > 27) ? 2 : 1; + writeU8(os, version); writeU16(os, count); for(std::map<v3s16, NodeMetadata*>::const_iterator @@ -110,7 +144,7 @@ void NodeMetadataList::serialize(std::ostream &os) const u16 p16 = p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE + p.Y * MAP_BLOCKSIZE + p.X; writeU16(os, p16); - data->serialize(os); + data->serialize(os, version, disk); } } @@ -125,7 +159,7 @@ void NodeMetadataList::deSerialize(std::istream &is, IItemDefManager *item_def_m return; } - if (version != 1) { + if (version > 2) { std::string err_str = std::string(FUNCTION_NAME) + ": version " + itos(version) + " not supported"; infostream << err_str << std::endl; @@ -134,7 +168,7 @@ void NodeMetadataList::deSerialize(std::istream &is, IItemDefManager *item_def_m u16 count = readU16(is); - for (u16 i=0; i < count; i++) { + for (u16 i = 0; i < count; i++) { u16 p16 = readU16(is); v3s16 p; @@ -145,15 +179,14 @@ void NodeMetadataList::deSerialize(std::istream &is, IItemDefManager *item_def_m p.X = p16; if (m_data.find(p) != m_data.end()) { - warningstream<<"NodeMetadataList::deSerialize(): " - <<"already set data at position" - <<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring." - <<std::endl; + warningstream << "NodeMetadataList::deSerialize(): " + << "already set data at position " << PP(p) + << ": Ignoring." << std::endl; continue; } NodeMetadata *data = new NodeMetadata(item_def_mgr); - data->deSerialize(is); + data->deSerialize(is, version); m_data[p] = data; } } @@ -216,35 +249,3 @@ int NodeMetadataList::countNonEmpty() const } return n; } - -std::string NodeMetadata::getString(const std::string &name, - unsigned short recursion) const -{ - StringMap::const_iterator it = m_stringvars.find(name); - if (it == m_stringvars.end()) - return ""; - - return resolveString(it->second, recursion); -} - -void NodeMetadata::setString(const std::string &name, const std::string &var) -{ - if (var.empty()) { - m_stringvars.erase(name); - } else { - m_stringvars[name] = var; - } -} - -std::string NodeMetadata::resolveString(const std::string &str, - unsigned short recursion) const -{ - if (recursion > 1) { - return str; - } - if (str.substr(0, 2) == "${" && str[str.length() - 1] == '}') { - return getString(str.substr(2, str.length() - 3), recursion + 1); - } - return str; -} - |