void MapBlock::serialize(std::ostream &os, u8 version, bool disk)
{
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
if(data == NULL)
{
throw SerializationError("ERROR: Not writing dummy block.");
}
// Can't do this anymore; we have 16-bit dynamically allocated node IDs
// in memory; conversion just won't work in this direction.
if(version < 24)
throw SerializationError("MapBlock::serialize: serialization to "
"version < 24 not possible");
// First byte
u8 flags = 0;
if(is_underground)
flags |= 0x01;
if(getDayNightDiff())
flags |= 0x02;
if(m_lighting_expired)
flags |= 0x04;
if(m_generated == false)
flags |= 0x08;
writeU8(os, flags);
/*
Bulk node data
*/
NameIdMapping nimap;
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
if(disk)
{
MapNode *tmp_nodes = new MapNode[nodecount];
for(u32 i=0; i<nodecount; i++)
tmp_nodes[i] = data[i];
getBlockNodeIdMapping(&nimap, tmp_nodes, m_gamedef->ndef());
u8 content_width = 2;
u8 params_width = 2;
writeU8(os, content_width);
writeU8(os, params_width);
MapNode::serializeBulk(os, version, tmp_nodes, nodecount,
content_width, params_width, true);
delete[] tmp_nodes;
}
else
{
u8 content_width = 2;
u8 params_width = 2;
writeU8(os, content_width);
writeU8(os, params_width);
MapNode::serializeBulk(os, version, data, nodecount,
content_width, params_width, true);
}
/*
Node metadata
*/
std::ostringstream oss(std::ios_base::binary);
m_node_metadata.serialize(oss);
compressZlib(oss.str(), os);
/*
Data that goes to disk, but not the network
*/
if(disk)
{
if(version <= 24) {
// Node timers
m_node_timers.serialize(os, version);
}
// Static objects
m_static_objects.serialize(os);
// Timestamp
writeU32(os, getTimestamp());
// Write block-specific node definition id mapping
nimap.serialize(os);
if(version >= 25) {
// Node timers
m_node_timers.serialize(os, version);
}
}
}
void MapBlock::deSerialize(std::istream &is, u8 version, bool disk)
{
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())<<std::endl);
m_day_night_differs_expired = false;
if(version <= 21)
{
deSerialize_pre22(is, version, disk);
return;
}
u8 flags = readU8(is);
is_underground = (flags & 0x01) ? true : false;
m_day_night_differs = (flags & 0x02) ? true : false;
m_lighting_expired = (flags & 0x04) ? true : false;
m_generated = (flags & 0x08) ? false : true;
/*
Bulk node data
*/
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Bulk node data"<<std::endl);
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
u8 content_width = readU8(is);
u8 params_width = readU8(is);
if(content_width != 1 && content_width != 2)
throw SerializationError("MapBlock::deSerialize(): invalid content_width");
if(params_width != 2)
throw SerializationError("MapBlock::deSerialize(): invalid params_width");
MapNode::deSerializeBulk(is, version, data, nodecount,
content_width, params_width, true);
/*
NodeMetadata
*/
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Node metadata"<<std::endl);
// Ignore errors
try {
std::ostringstream oss(std::ios_base::binary);
decompressZlib(is, oss);
std::istringstream iss(oss.str(), std::ios_base::binary);
if(version >= 23)
m_node_metadata.deSerialize(iss, m_gamedef);
else
content_nodemeta_deserialize_legacy(iss,
&m_node_metadata, &m_node_timers,
m_gamedef);
}
catch(SerializationError &e)
{
errorstream<<"WARNING: MapBlock::deSerialize(): Ignoring an error"
<<" while deserializing node metadata at ("
<<PP(getPos())<<": "<<e.what()<<std::endl;
}
/*
Data that is only on disk
*/
if(disk)
{
// Node timers
if(version == 23) {
// Read unused zero
readU8(is);
}
if(version == 24) {
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Node timers (ver==24)"<<std::endl);
m_node_timers.deSerialize(is, version);
}
// Static objects
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Static objects"<<std::endl);
m_static_objects.deSerialize(is);
// Timestamp
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Timestamp"<<std::endl);
setTimestamp(readU32(is));
m_disk_timestamp = m_timestamp;
// Dynamically re-set ids based on node names
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": NameIdMapping"<<std::endl);
NameIdMapping nimap;
nimap.deSerialize(is);
correctBlockNodeIds(&nimap, data, m_gamedef);
if(version >= 25) {
TRACESTREAM(<<"MapBlock::deSerialize "<<PP(getPos())
<<": Node timers (ver>=25)"<<std::endl);
m_node_timers.deSerialize(is, version);
}
void MapBlock::deSerialize_pre22(std::istream &is, u8 version, bool disk)
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
// Initialize default flags
is_underground = false;
m_day_night_differs = false;
m_lighting_expired = false;
m_generated = true;
// Make a temporary buffer
u32 ser_length = MapNode::serializedLength(version);
SharedBuffer<u8> databuf_nodelist(nodecount * ser_length);
// These have no compression
if(version <= 3 || version == 5 || version == 6)
{
char tmp;
is.read(&tmp, 1);
if(is.gcount() != 1)
throw SerializationError
("MapBlock::deSerialize: no enough input data");
is_underground = tmp;
is.read((char*)*databuf_nodelist, nodecount * ser_length);
if(is.gcount() != nodecount * ser_length)
throw SerializationError
("MapBlock::deSerialize: no enough input data");
}
else if(version <= 10)
{
u8 t8;
is.read((char*)&t8, 1);
is_underground = t8;
{
// Uncompress and set material data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
databuf_nodelist[i*ser_length] = s[i];
}
}
{
// Uncompress and set param data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
databuf_nodelist[i*ser_length + 1] = s[i];
}
}
if(version >= 10)
{
// Uncompress and set param2 data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
databuf_nodelist[i*ser_length + 2] = s[i];
}
}
}
// All other versions (newest)
else
{
u8 flags;
is.read((char*)&flags, 1);
is_underground = (flags & 0x01) ? true : false;
m_day_night_differs = (flags & 0x02) ? true : false;
m_lighting_expired = (flags & 0x04) ? true : false;
if(version >= 18)
m_generated = (flags & 0x08) ? false : true;
// Uncompress data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount*3)
throw SerializationError
("MapBlock::deSerialize: decompress resulted in size"
" other than nodecount*3");
// deserialize nodes from buffer
for(u32 i=0; i<nodecount; i++)
{
databuf_nodelist[i*ser_length] = s[i];
databuf_nodelist[i*ser_length + 1] = s[i+nodecount];
databuf_nodelist[i*ser_length + 2] = s[i+nodecount*2];
}
/*
NodeMetadata
*/
if(version >= 14)
{
// Ignore errors
try{
if(version <= 15)
{
std::string data = deSerializeString(is);
std::istringstream iss(data, std::ios_base::binary);
m_node_metadata->deSerialize(iss, m_gamedef);
}
else
{
//std::string data = deSerializeLongString(is);
std::ostringstream oss(std::ios_base::binary);
decompressZlib(is, oss);
std::istringstream iss(oss.str(), std::ios_base::binary);
m_node_metadata->deSerialize(iss, m_gamedef);
}
}
catch(SerializationError &e)
{
errorstream<<"WARNING: MapBlock::deSerialize(): Ignoring an error"
<<" while deserializing node metadata"<<std::endl;
}
}
}
// Deserialize node data
for(u32 i=0; i<nodecount; i++)
{
data[i].deSerialize(&databuf_nodelist[i*ser_length], version);
}
if(disk)
{
/*
Versions up from 9 have block objects. (DEPRECATED)
*/
if(version >= 9){
u16 count = readU16(is);
// Not supported and length not known if count is not 0
if(count != 0){
errorstream<<"WARNING: MapBlock::deSerialize_pre22(): "
<<"Ignoring stuff coming at and after MBOs"<<std::endl;
return;
}
}
/*
Versions up from 15 have static objects.
*/
if(version >= 15)
m_static_objects.deSerialize(is);
// Timestamp
if(version >= 17){
setTimestamp(readU32(is));
m_disk_timestamp = m_timestamp;
} else {
setTimestamp(BLOCK_TIMESTAMP_UNDEFINED);
}
// Dynamically re-set ids based on node names
NameIdMapping nimap;
// If supported, read node definition id mapping
if(version >= 21){
nimap.deSerialize(is);
// Else set the legacy mapping
} else {
content_mapnode_get_name_id_mapping(&nimap);
}
correctBlockNodeIds(&nimap, data, m_gamedef);
}
// Legacy data changes
// This code has to convert from pre-22 to post-22 format.
INodeDefManager *nodedef = m_gamedef->ndef();
for(u32 i=0; i<nodecount; i++)
{
const ContentFeatures &f = nodedef->get(data[i].getContent());
// Mineral
if(nodedef->getId("default:stone") == data[i].getContent()
&& data[i].getParam1() == 1)
{
data[i].setContent(nodedef->getId("default:stone_with_coal"));
data[i].setParam1(0);
}
else if(nodedef->getId("default:stone") == data[i].getContent()
&& data[i].getParam1() == 2)
{
data[i].setContent(nodedef->getId("default:stone_with_iron"));
data[i].setParam1(0);
}
// facedir_simple
if(f.legacy_facedir_simple)
{
data[i].setParam2(data[i].getParam1());
data[i].setParam1(0);
}
// wall_mounted
if(f.legacy_wallmounted)
{
u8 wallmounted_new_to_old[8] = {0x04, 0x08, 0x01, 0x02, 0x10, 0x20, 0, 0};
u8 dir_old_format = data[i].getParam2();
u8 dir_new_format = 0;
for(u8 j=0; j<8; j++)
{
if((dir_old_format & wallmounted_new_to_old[j]) != 0)
{
dir_new_format = j;
break;
}
}
data[i].setParam2(dir_new_format);
}
}
}
void RollbackAction::fromStream(std::istream &is) throw(SerializationError)
{
int c = is.get();
if(c != '['){
is.putback(c);
throw SerializationError("RollbackAction: starting [ not found");
}
std::string id;
std::getline(is, id, ' ');
if(id == "set_node")
{
c = is.get();
if(c != '('){
is.putback(c);
throw SerializationError("RollbackAction: starting ( not found");
}
// Position
std::string px_raw;
std::string py_raw;
std::string pz_raw;
std::getline(is, px_raw, ',');
std::getline(is, py_raw, ',');
std::getline(is, pz_raw, ')');
c = is.get();
if(c != ' '){
is.putback(c);
throw SerializationError("RollbackAction: after-p ' ' not found");
}
v3s16 loaded_p(stoi(px_raw), stoi(py_raw), stoi(pz_raw));
// Old node
std::string old_name;
try{
old_name = deSerializeJsonString(is);
}catch(SerializationError &e){
errorstream<<"Serialization error in RollbackAction::fromStream(): "
<<"old_name: "<<e.what()<<std::endl;
throw e;
}
c = is.get();
if(c != ' '){
is.putback(c);
throw SerializationError("RollbackAction: after-old_name ' ' not found");
}
std::string old_p1_raw;
std::string old_p2_raw;
std::getline(is, old_p1_raw, ' ');
std::getline(is, old_p2_raw, ' ');
int old_p1 = stoi(old_p1_raw);
int old_p2 = stoi(old_p2_raw);
std::string old_meta;
try{
old_meta = deSerializeJsonString(is);
}catch(SerializationError &e){
errorstream<<"Serialization error in RollbackAction::fromStream(): "
<<"old_meta: "<<e.what()<<std::endl;
throw e;
}
c = is.get();
if(c != ' '){
is.putback(c);
throw SerializationError("RollbackAction: after-old_meta ' ' not found");
}
// New node
std::string new_name;
try{
new_name = deSerializeJsonString(is);
}catch(SerializationError &e){
errorstream<<"Serialization error in RollbackAction::fromStream(): "
<<"new_name: "<<e.what()<<std::endl;
throw e;
}
c = is.get();
if(c != ' '){
is.putback(c);
throw SerializationError("RollbackAction: after-new_name ' ' not found");
}
std::string new_p1_raw;
std::string new_p2_raw;
std::getline(is, new_p1_raw, ' ');
std::getline(is, new_p2_raw, ' ');
int new_p1 = stoi(new_p1_raw);
int new_p2 = stoi(new_p2_raw);
std::string new_meta;
try{
new_meta = deSerializeJsonString(is);
}catch(SerializationError &e){
errorstream<<"Serialization error in RollbackAction::fromStream(): "
<<"new_meta: "<<e.what()<<std::endl;
throw e;
}
c = is.get();
if(c != ']'){
is.putback(c);
throw SerializationError("RollbackAction: after-new_meta ] not found");
}
// Set values
type = TYPE_SET_NODE;
p = loaded_p;
n_old.name = old_name;
n_old.param1 = old_p1;
n_old.param2 = old_p2;
n_old.meta = old_meta;
n_new.name = new_name;
n_new.param1 = new_p1;
n_new.param2 = new_p2;
n_new.meta = new_meta;
}
else if(id == "modify_inventory_stack")
{
// Location
std::string location;
try{
location = deSerializeJsonString(is);
}catch(SerializationError &e){
errorstream<<"Serialization error in RollbackAction::fromStream(): "
<<"location: "<<e.what()<<std::endl;
throw e;
}
c = is.get();
if(c != ' '){
is.putback(c);
throw SerializationError("RollbackAction: after-loc ' ' not found");
}
// List
std::string listname;
try{
listname = deSerializeJsonString(is);
}catch(SerializationError &e){
errorstream<<"Serialization error in RollbackAction::fromStream(): "
<<"listname: "<<e.what()<<std::endl;
throw e;
}
c = is.get();
if(c != ' '){
is.putback(c);
throw SerializationError("RollbackAction: after-list ' ' not found");
}
// Index
std::string index_raw;
std::getline(is, index_raw, ' ');
// add/remove
std::string addremove;
std::getline(is, addremove, ' ');
if(addremove != "add" && addremove != "remove"){
throw SerializationError("RollbackAction: addremove is not add or remove");
}
// Itemstring
std::string stack;
try{
stack = deSerializeJsonString(is);
}catch(SerializationError &e){
errorstream<<"Serialization error in RollbackAction::fromStream(): "
<<"stack: "<<e.what()<<std::endl;
throw e;
}
// Set values
type = TYPE_MODIFY_INVENTORY_STACK;
inventory_location = location;
inventory_list = listname;
inventory_index = stoi(index_raw);
inventory_add = (addremove == "add");
inventory_stack = stack;
}
else
{
throw SerializationError("RollbackAction: Unknown id");
}
}
void MapBlockObjectList::update(std::istream &is, u8 version,
scene::ISceneManager *smgr, u32 daynight_ratio)
{
JMutexAutoLock lock(m_mutex);
/*
Collect all existing ids to a set.
As things are updated, they are removed from this.
All remaining ones are deleted.
*/
core::map<s16, bool> ids_to_delete;
for(core::map<s16, MapBlockObject*>::Iterator
i = m_objects.getIterator();
i.atEnd() == false; i++)
{
ids_to_delete.insert(i.getNode()->getKey(), true);
}
u8 buf[6];
is.read((char*)buf, 2);
u16 count = readU16(buf);
for(u16 i=0; i<count; i++)
{
// Read id
is.read((char*)buf, 2);
s16 id = readS16(buf);
// Read position
// stored as x1000/BS v3s16
is.read((char*)buf, 6);
v3s16 pos_i = readV3S16(buf);
v3f pos((f32)pos_i.X/1000*BS,
(f32)pos_i.Y/1000*BS,
(f32)pos_i.Z/1000*BS);
// Read typeId
is.read((char*)buf, 2);
u16 type_id = readU16(buf);
bool create_new = false;
// Find an object with the id
core::map<s16, MapBlockObject*>::Node *n;
n = m_objects.find(id);
// If no entry is found for id
if(n == NULL)
{
// Insert dummy pointer node
m_objects.insert(id, NULL);
// Get node
n = m_objects.find(id);
// A new object will be created at this node
create_new = true;
}
// If type_id differs
else if(n->getValue()->getTypeId() != type_id)
{
// Delete old object
delete n->getValue();
// A new object will be created at this node
create_new = true;
}
MapBlockObject *obj = NULL;
if(create_new)
{
/*dstream<<"MapBlockObjectList adding new object"
" id="<<id
<<std::endl;*/
if(type_id == MAPBLOCKOBJECT_TYPE_SIGN)
{
obj = new SignObject(m_block, id, pos);
}
else if(type_id == MAPBLOCKOBJECT_TYPE_RAT)
{
obj = new RatObject(m_block, id, pos);
}
else if(type_id == MAPBLOCKOBJECT_TYPE_ITEM)
{
obj = new ItemObject(m_block, id, pos);
}
else
{
// This is fatal because we cannot know the length
// of the object's data
throw SerializationError
("MapBlockObjectList::update(): Unknown MapBlockObject type");
}
if(smgr != NULL)
//obj->addToScene(smgr, daynight_ratio);
obj->addToScene(smgr);
n->setValue(obj);
}
else
{
obj = n->getValue();
obj->updatePos(pos);
/*if(daynight_ratio != m_last_update_daynight_ratio)
{
obj->removeFromScene();
obj->addToScene(smgr, daynight_ratio);
}*/
}
// Now there is an object in obj.
// Update it.
obj->update(is, version);
obj->setBlockChanged();
/*
Update light on client
*/
if(smgr != NULL)
{
u8 light = LIGHT_MAX;
try{
v3s16 relpos_i = floatToInt(obj->m_pos, BS);
MapNode n = m_block->getNodeParent(relpos_i);
light = n.getLightBlend(daynight_ratio);
}
catch(InvalidPositionException &e) {}
obj->updateLight(light);
}
// Remove from deletion list
if(ids_to_delete.find(id) != NULL)
ids_to_delete.remove(id);
}
// Delete all objects whose ids_to_delete remain in ids_to_delete
for(core::map<s16, bool>::Iterator
i = ids_to_delete.getIterator();
i.atEnd() == false; i++)
{
s16 id = i.getNode()->getKey();
/*dstream<<"MapBlockObjectList deleting object"
" id="<<id
<<std::endl;*/
MapBlockObject *obj = m_objects[id];
obj->removeFromScene();
delete obj;
m_objects.remove(id);
}
m_last_update_daynight_ratio = daynight_ratio;
}
void CraftDefinitionToolRepair::deSerializeBody(std::istream &is, int version)
{
if(version != 1) throw SerializationError(
"unsupported CraftDefinitionToolRepair version");
additional_wear = readF1000(is);
}
void MapBlock::serialize(std::ostream &os, u8 version, bool disk)
{
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
if (!data)
throw SerializationError("ERROR: Not writing dummy block.");
FATAL_ERROR_IF(version < SER_FMT_VER_LOWEST_WRITE, "Serialisation version error");
// First byte
u8 flags = 0;
if(is_underground)
flags |= 0x01;
if(getDayNightDiff())
flags |= 0x02;
if(m_generated == false)
flags |= 0x08;
writeU8(os, flags);
if (version >= 27) {
writeU16(os, m_lighting_complete);
}
/*
Bulk node data
*/
NameIdMapping nimap;
if(disk)
{
MapNode *tmp_nodes = new MapNode[nodecount];
for(u32 i=0; i<nodecount; i++)
tmp_nodes[i] = data[i];
getBlockNodeIdMapping(&nimap, tmp_nodes, m_gamedef->ndef());
u8 content_width = 2;
u8 params_width = 2;
writeU8(os, content_width);
writeU8(os, params_width);
MapNode::serializeBulk(os, version, tmp_nodes, nodecount,
content_width, params_width, true);
delete[] tmp_nodes;
}
else
{
u8 content_width = 2;
u8 params_width = 2;
writeU8(os, content_width);
writeU8(os, params_width);
MapNode::serializeBulk(os, version, data, nodecount,
content_width, params_width, true);
}
/*
Node metadata
*/
std::ostringstream oss(std::ios_base::binary);
m_node_metadata.serialize(oss, version, disk);
compressZlib(oss.str(), os);
/*
Data that goes to disk, but not the network
*/
if(disk)
{
if(version <= 24){
// Node timers
m_node_timers.serialize(os, version);
}
// Static objects
m_static_objects.serialize(os);
// Timestamp
writeU32(os, getTimestamp());
// Write block-specific node definition id mapping
nimap.serialize(os);
if(version >= 25){
// Node timers
m_node_timers.serialize(os, version);
}
}
}
//// Serialization of old ContentFeatures formats
void ContentFeatures::serializeOld(std::ostream &os, u16 protocol_version) const
{
if (protocol_version == 13)
{
writeU8(os, 5); // version
os<<serializeString(name);
writeU16(os, groups.size());
for (ItemGroupList::const_iterator
i = groups.begin(); i != groups.end(); i++) {
os<<serializeString(i->first);
writeS16(os, i->second);
}
writeU8(os, drawtype);
writeF1000(os, visual_scale);
writeU8(os, 6);
for (u32 i = 0; i < 6; i++)
tiledef[i].serialize(os, protocol_version);
//CF_SPECIAL_COUNT = 2 before cf ver. 7 and protocol ver. 24
writeU8(os, 2);
for (u32 i = 0; i < 2; i++)
tiledef_special[i].serialize(os, protocol_version);
writeU8(os, alpha);
writeU8(os, post_effect_color.getAlpha());
writeU8(os, post_effect_color.getRed());
writeU8(os, post_effect_color.getGreen());
writeU8(os, post_effect_color.getBlue());
writeU8(os, param_type);
writeU8(os, param_type_2);
writeU8(os, is_ground_content);
writeU8(os, light_propagates);
writeU8(os, sunlight_propagates);
writeU8(os, walkable);
writeU8(os, pointable);
writeU8(os, diggable);
writeU8(os, climbable);
writeU8(os, buildable_to);
os<<serializeString(""); // legacy: used to be metadata_name
writeU8(os, liquid_type);
os<<serializeString(liquid_alternative_flowing);
os<<serializeString(liquid_alternative_source);
writeU8(os, liquid_viscosity);
writeU8(os, light_source);
writeU32(os, damage_per_second);
node_box.serialize(os, protocol_version);
selection_box.serialize(os, protocol_version);
writeU8(os, legacy_facedir_simple);
writeU8(os, legacy_wallmounted);
serializeSimpleSoundSpec(sound_footstep, os);
serializeSimpleSoundSpec(sound_dig, os);
serializeSimpleSoundSpec(sound_dug, os);
}
else if (protocol_version > 13 && protocol_version < 24) {
writeU8(os, 6); // version
os<<serializeString(name);
writeU16(os, groups.size());
for (ItemGroupList::const_iterator
i = groups.begin(); i != groups.end(); i++) {
os<<serializeString(i->first);
writeS16(os, i->second);
}
writeU8(os, drawtype);
writeF1000(os, visual_scale);
writeU8(os, 6);
for (u32 i = 0; i < 6; i++)
tiledef[i].serialize(os, protocol_version);
//CF_SPECIAL_COUNT = 2 before cf ver. 7 and protocol ver. 24
writeU8(os, 2);
for (u32 i = 0; i < 2; i++)
tiledef_special[i].serialize(os, protocol_version);
writeU8(os, alpha);
writeU8(os, post_effect_color.getAlpha());
writeU8(os, post_effect_color.getRed());
writeU8(os, post_effect_color.getGreen());
writeU8(os, post_effect_color.getBlue());
writeU8(os, param_type);
writeU8(os, param_type_2);
writeU8(os, is_ground_content);
writeU8(os, light_propagates);
writeU8(os, sunlight_propagates);
writeU8(os, walkable);
writeU8(os, pointable);
writeU8(os, diggable);
writeU8(os, climbable);
writeU8(os, buildable_to);
os<<serializeString(""); // legacy: used to be metadata_name
writeU8(os, liquid_type);
os<<serializeString(liquid_alternative_flowing);
os<<serializeString(liquid_alternative_source);
writeU8(os, liquid_viscosity);
writeU8(os, liquid_renewable);
writeU8(os, light_source);
writeU32(os, damage_per_second);
node_box.serialize(os, protocol_version);
selection_box.serialize(os, protocol_version);
writeU8(os, legacy_facedir_simple);
writeU8(os, legacy_wallmounted);
serializeSimpleSoundSpec(sound_footstep, os);
serializeSimpleSoundSpec(sound_dig, os);
serializeSimpleSoundSpec(sound_dug, os);
writeU8(os, rightclickable);
writeU8(os, drowning);
writeU8(os, leveled);
writeU8(os, liquid_range);
} else
throw SerializationError("ContentFeatures::serialize(): "
"Unsupported version requested");
}
MapBlock* Database_LevelDB::loadBlock(v3s16 blockpos)
{
v2s16 p2d(blockpos.X, blockpos.Z);
std::string datastr;
leveldb::Status s = m_database->Get(leveldb::ReadOptions(),
i64tos(getBlockAsInteger(blockpos)), &datastr);
if (datastr.length() == 0 && s.ok()) {
errorstream << "Blank block data in database (datastr.length() == 0) ("
<< blockpos.X << "," << blockpos.Y << "," << blockpos.Z << ")" << std::endl;
if (g_settings->getBool("ignore_world_load_errors")) {
errorstream << "Ignoring block load error. Duck and cover! "
<< "(ignore_world_load_errors)" << std::endl;
} else {
throw SerializationError("Blank block data in database");
}
return NULL;
}
if (s.ok()) {
/*
Make sure sector is loaded
*/
MapSector *sector = srvmap->createSector(p2d);
try {
std::istringstream is(datastr, std::ios_base::binary);
u8 version = SER_FMT_VER_INVALID;
is.read((char *)&version, 1);
if (is.fail())
throw SerializationError("ServerMap::loadBlock(): Failed"
" to read MapBlock version");
MapBlock *block = NULL;
bool created_new = false;
block = sector->getBlockNoCreateNoEx(blockpos.Y);
if (block == NULL)
{
block = sector->createBlankBlockNoInsert(blockpos.Y);
created_new = true;
}
// Read basic data
block->deSerialize(is, version, true);
// If it's a new block, insert it to the map
if (created_new)
sector->insertBlock(block);
/*
Save blocks loaded in old format in new format
*/
//if(version < SER_FMT_VER_HIGHEST || save_after_load)
// Only save if asked to; no need to update version
//if(save_after_load)
// saveBlock(block);
// We just loaded it from, so it's up-to-date.
block->resetModified();
}
catch (SerializationError &e)
{
errorstream << "Invalid block data in database"
<< " (" << blockpos.X << "," << blockpos.Y << "," << blockpos.Z
<< ") (SerializationError): " << e.what() << std::endl;
// TODO: Block should be marked as invalid in memory so that it is
// not touched but the game can run
if (g_settings->getBool("ignore_world_load_errors")) {
errorstream << "Ignoring block load error. Duck and cover! "
<< "(ignore_world_load_errors)" << std::endl;
} else {
throw SerializationError("Invalid block data in database");
//assert(0);
}
}
return srvmap->getBlockNoCreateNoEx(blockpos); // should not be using this here
}
return NULL;
}
void Circuit::load() {
unsigned long element_id;
unsigned long version = 0;
std::istringstream in(std::ios_base::binary);
m_database = new KeyValueStorage(m_savedir, "circuit");
m_virtual_database = new KeyValueStorage(m_savedir, "circuit_virtual");
std::ifstream input_elements_func((m_savedir + DIR_DELIM + elements_func_file).c_str(), std::ios_base::binary);
if(input_elements_func.good()) {
input_elements_func.read(reinterpret_cast<char*>(&version), sizeof(version));
m_circuit_elements_states.deSerialize(input_elements_func);
}
#if USE_LEVELDB
// Filling list with empty virtual elements
auto virtual_it = m_virtual_database->new_iterator();
std::map <unsigned long, std::list <CircuitElementVirtual>::iterator> id_to_virtual_pointer;
for(virtual_it->SeekToFirst(); virtual_it->Valid(); virtual_it->Next()) {
element_id = stoi(virtual_it->key().ToString());
id_to_virtual_pointer[element_id] =
m_virtual_elements.insert(m_virtual_elements.begin(), CircuitElementVirtual(element_id));
if(element_id + 1 > m_max_virtual_id) {
m_max_virtual_id = element_id + 1;
}
}
// Filling list with empty elements
auto it = m_database->new_iterator();
std::map <unsigned long, std::list <CircuitElement>::iterator> id_to_pointer;
for(it->SeekToFirst(); it->Valid(); it->Next()) {
element_id = stoi(it->key().ToString());
id_to_pointer[element_id] =
m_elements.insert(m_elements.begin(), CircuitElement(element_id));
if(element_id + 1 > m_max_id) {
m_max_id = element_id + 1;
}
}
// Loading states of elements
std::ifstream input_elements_states((m_savedir + DIR_DELIM + elements_states_file).c_str());
if(input_elements_states.good()) {
for(unsigned long i = 0; i < m_elements.size(); ++i) {
input_elements_states.read(reinterpret_cast<char*>(&element_id), sizeof(element_id));
if(id_to_pointer.find(element_id) != id_to_pointer.end()) {
id_to_pointer[element_id]->deSerializeState(input_elements_states);
} else {
throw SerializationError(static_cast<std::string>("File \"")
+ elements_states_file + "\" seems to be corrupted.");
}
}
}
// Loading elements data
for(it->SeekToFirst(); it->Valid(); it->Next()) {
in.str(it->value().ToString());
element_id = stoi(it->key().ToString());
std::list <CircuitElement>::iterator current_element = id_to_pointer[element_id];
current_element->deSerialize(in, id_to_virtual_pointer);
current_element->setFunc(m_circuit_elements_states.getFunc(current_element->getFuncId()), current_element->getFuncId());
m_pos_to_iterator[current_element->getPos()] = current_element;
}
delete it;
// Loading virtual elements data
for(virtual_it->SeekToFirst(); virtual_it->Valid(); virtual_it->Next()) {
in.str(virtual_it->value().ToString());
element_id = stoi(virtual_it->key().ToString());
std::list <CircuitElementVirtual>::iterator current_element = id_to_virtual_pointer[element_id];
current_element->deSerialize(in, current_element, id_to_pointer);
}
delete virtual_it;
#endif
}
void ContentFeatures::deSerialize(std::istream &is)
{
// version detection
int version = readU8(is);
if (version < 12)
throw SerializationError("unsupported ContentFeatures version");
// general
name = deSerializeString(is);
groups.clear();
u32 groups_size = readU16(is);
for (u32 i = 0; i < groups_size; i++) {
std::string name = deSerializeString(is);
int value = readS16(is);
groups[name] = value;
}
param_type = (enum ContentParamType) readU8(is);
param_type_2 = (enum ContentParamType2) readU8(is);
// visual
drawtype = (enum NodeDrawType) readU8(is);
mesh = deSerializeString(is);
visual_scale = readF1000(is);
if (readU8(is) != 6)
throw SerializationError("unsupported tile count");
for (TileDef &td : tiledef)
td.deSerialize(is, version, drawtype);
for (TileDef &td : tiledef_overlay)
td.deSerialize(is, version, drawtype);
if (readU8(is) != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for (TileDef &td : tiledef_special)
td.deSerialize(is, version, drawtype);
alpha = readU8(is);
color.setRed(readU8(is));
color.setGreen(readU8(is));
color.setBlue(readU8(is));
palette_name = deSerializeString(is);
waving = readU8(is);
connect_sides = readU8(is);
u16 connects_to_size = readU16(is);
connects_to_ids.clear();
for (u16 i = 0; i < connects_to_size; i++)
connects_to_ids.push_back(readU16(is));
post_effect_color.setAlpha(readU8(is));
post_effect_color.setRed(readU8(is));
post_effect_color.setGreen(readU8(is));
post_effect_color.setBlue(readU8(is));
leveled = readU8(is);
// lighting-related
light_propagates = readU8(is);
sunlight_propagates = readU8(is);
light_source = readU8(is);
light_source = MYMIN(light_source, LIGHT_MAX);
// map generation
is_ground_content = readU8(is);
// interaction
walkable = readU8(is);
pointable = readU8(is);
diggable = readU8(is);
climbable = readU8(is);
buildable_to = readU8(is);
rightclickable = readU8(is);
damage_per_second = readU32(is);
// liquid
liquid_type = (enum LiquidType) readU8(is);
liquid_alternative_flowing = deSerializeString(is);
liquid_alternative_source = deSerializeString(is);
liquid_viscosity = readU8(is);
liquid_renewable = readU8(is);
liquid_range = readU8(is);
drowning = readU8(is);
floodable = readU8(is);
// node boxes
node_box.deSerialize(is);
selection_box.deSerialize(is);
collision_box.deSerialize(is);
// sounds
deSerializeSimpleSoundSpec(sound_footstep, is, version);
deSerializeSimpleSoundSpec(sound_dig, is, version);
deSerializeSimpleSoundSpec(sound_dug, is, version);
// read legacy properties
legacy_facedir_simple = readU8(is);
legacy_wallmounted = readU8(is);
try {
node_dig_prediction = deSerializeString(is);
} catch(SerializationError &e) {};
}
void ContentFeatures::msgpack_unpack(msgpack::object o)
{
MsgpackPacket packet = o.as<MsgpackPacket>();
packet[CONTENTFEATURES_NAME].convert(&name);
groups.clear();
packet[CONTENTFEATURES_GROUPS].convert(&groups);
int drawtype_tmp;
packet[CONTENTFEATURES_DRAWTYPE].convert(&drawtype_tmp);
drawtype = (NodeDrawType)drawtype_tmp;
packet[CONTENTFEATURES_VISUAL_SCALE].convert(&visual_scale);
std::vector<TileDef> tiledef_received;
packet[CONTENTFEATURES_TILEDEF].convert(&tiledef_received);
if (tiledef_received.size() != 6)
throw SerializationError("unsupported tile count");
for(size_t i = 0; i < 6; ++i)
tiledef[i] = tiledef_received[i];
std::vector<TileDef> tiledef_special_received;
packet[CONTENTFEATURES_TILEDEF_SPECIAL].convert(&tiledef_special_received);
if(tiledef_special_received.size() != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for (size_t i = 0; i < CF_SPECIAL_COUNT; ++i)
tiledef_special[i] = tiledef_special_received[i];
packet[CONTENTFEATURES_ALPHA].convert(&alpha);
packet[CONTENTFEATURES_POST_EFFECT_COLOR].convert(&post_effect_color);
int param_type_tmp;
packet[CONTENTFEATURES_PARAM_TYPE].convert(¶m_type_tmp);
param_type = (ContentParamType)param_type_tmp;
packet[CONTENTFEATURES_PARAM_TYPE_2].convert(¶m_type_tmp);
param_type_2 = (ContentParamType2)param_type_tmp;
packet[CONTENTFEATURES_IS_GROUND_CONTENT].convert(&is_ground_content);
packet[CONTENTFEATURES_LIGHT_PROPAGATES].convert(&light_propagates);
packet[CONTENTFEATURES_SUNLIGHT_PROPAGATES].convert(&sunlight_propagates);
packet[CONTENTFEATURES_WALKABLE].convert(&walkable);
packet[CONTENTFEATURES_POINTABLE].convert(&pointable);
packet[CONTENTFEATURES_DIGGABLE].convert(&diggable);
packet[CONTENTFEATURES_CLIMBABLE].convert(&climbable);
packet[CONTENTFEATURES_BUILDABLE_TO].convert(&buildable_to);
int liquid_type_tmp;
packet[CONTENTFEATURES_LIQUID_TYPE].convert(&liquid_type_tmp);
liquid_type = (LiquidType)liquid_type_tmp;
packet[CONTENTFEATURES_LIQUID_ALTERNATIVE_FLOWING].convert(&liquid_alternative_flowing);
packet[CONTENTFEATURES_LIQUID_ALTERNATIVE_SOURCE].convert(&liquid_alternative_source);
packet[CONTENTFEATURES_LIQUID_VISCOSITY].convert(&liquid_viscosity);
packet[CONTENTFEATURES_LIGHT_SOURCE].convert(&light_source);
packet[CONTENTFEATURES_DAMAGE_PER_SECOND].convert(&damage_per_second);
packet[CONTENTFEATURES_NODE_BOX].convert(&node_box);
packet[CONTENTFEATURES_SELECTION_BOX].convert(&selection_box);
packet[CONTENTFEATURES_LEGACY_FACEDIR_SIMPLE].convert(&legacy_facedir_simple);
packet[CONTENTFEATURES_LEGACY_WALLMOUNTED].convert(&legacy_wallmounted);
packet[CONTENTFEATURES_SOUND_FOOTSTEP].convert(&sound_footstep);
packet[CONTENTFEATURES_SOUND_DIG].convert(&sound_dig);
packet[CONTENTFEATURES_SOUND_DUG].convert(&sound_dug);
packet[CONTENTFEATURES_RIGHTCLICKABLE].convert(&rightclickable);
packet[CONTENTFEATURES_DROWNING].convert(&drowning);
packet[CONTENTFEATURES_LEVELED].convert(&leveled);
packet[CONTENTFEATURES_WAVING].convert(&waving);
packet[CONTENTFEATURES_MESH].convert(&mesh);
packet[CONTENTFEATURES_COLLISION_BOX].convert(&collision_box);
}
void RemotePlayer::deSerialize(std::istream &is, const std::string &playername,
PlayerSAO *sao)
{
Settings args;
if (!args.parseConfigLines(is, "PlayerArgsEnd")) {
throw SerializationError("PlayerArgsEnd of player " + playername + " not found!");
}
m_dirty = true;
//args.getS32("version"); // Version field value not used
const std::string &name = args.get("name");
strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);
if (sao) {
try {
sao->setHPRaw(args.getS32("hp"));
} catch(SettingNotFoundException &e) {
sao->setHPRaw(PLAYER_MAX_HP_DEFAULT);
}
try {
sao->setBasePosition(args.getV3F("position"));
} catch (SettingNotFoundException &e) {}
try {
sao->setPitch(args.getFloat("pitch"));
} catch (SettingNotFoundException &e) {}
try {
sao->setYaw(args.getFloat("yaw"));
} catch (SettingNotFoundException &e) {}
try {
sao->setBreath(args.getS32("breath"), false);
} catch (SettingNotFoundException &e) {}
try {
const std::string &extended_attributes = args.get("extended_attributes");
Json::Reader reader;
Json::Value attr_root;
reader.parse(extended_attributes, attr_root);
const Json::Value::Members attr_list = attr_root.getMemberNames();
for (const auto &it : attr_list) {
Json::Value attr_value = attr_root[it];
sao->setExtendedAttribute(it, attr_value.asString());
}
} catch (SettingNotFoundException &e) {}
}
inventory.deSerialize(is);
if (inventory.getList("craftpreview") == NULL) {
// Convert players without craftpreview
inventory.addList("craftpreview", 1);
bool craftresult_is_preview = true;
if(args.exists("craftresult_is_preview"))
craftresult_is_preview = args.getBool("craftresult_is_preview");
if(craftresult_is_preview)
{
// Clear craftresult
inventory.getList("craftresult")->changeItem(0, ItemStack());
}
}
}
void MapBlock::serialize(std::ostream &os, u8 version)
{
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
if(data == NULL)
{
throw SerializationError("ERROR: Not writing dummy block.");
}
// These have no compression
if(version <= 3 || version == 5 || version == 6)
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
u32 buflen = 1 + nodecount * MapNode::serializedLength(version);
SharedBuffer<u8> dest(buflen);
dest[0] = is_underground;
for(u32 i=0; i<nodecount; i++)
{
u32 s = 1 + i * MapNode::serializedLength(version);
data[i].serialize(&dest[s], version);
}
os.write((char*)*dest, dest.getSize());
}
else if(version <= 10)
{
/*
With compression.
Compress the materials and the params separately.
*/
// First byte
os.write((char*)&is_underground, 1);
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
// Get and compress materials
SharedBuffer<u8> materialdata(nodecount);
for(u32 i=0; i<nodecount; i++)
{
materialdata[i] = data[i].param0;
}
compress(materialdata, os, version);
// Get and compress lights
SharedBuffer<u8> lightdata(nodecount);
for(u32 i=0; i<nodecount; i++)
{
lightdata[i] = data[i].param1;
}
compress(lightdata, os, version);
if(version >= 10)
{
// Get and compress param2
SharedBuffer<u8> param2data(nodecount);
for(u32 i=0; i<nodecount; i++)
{
param2data[i] = data[i].param2;
}
compress(param2data, os, version);
}
}
// All other versions (newest)
else
{
// First byte
u8 flags = 0;
if(is_underground)
flags |= 0x01;
if(m_day_night_differs)
flags |= 0x02;
if(m_lighting_expired)
flags |= 0x04;
if(version >= 18)
{
if(m_generated == false)
flags |= 0x08;
}
os.write((char*)&flags, 1);
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
/*
Get data
*/
// Serialize nodes
SharedBuffer<u8> databuf_nodelist(nodecount*3);
for(u32 i=0; i<nodecount; i++)
{
data[i].serialize(&databuf_nodelist[i*3], version);
}
// Create buffer with different parameters sorted
SharedBuffer<u8> databuf(nodecount*3);
for(u32 i=0; i<nodecount; i++)
{
databuf[i] = databuf_nodelist[i*3];
databuf[i+nodecount] = databuf_nodelist[i*3+1];
databuf[i+nodecount*2] = databuf_nodelist[i*3+2];
}
/*
Compress data to output stream
*/
compress(databuf, os, version);
/*
NodeMetadata
*/
if(version >= 14)
{
if(version <= 15)
{
try{
std::ostringstream oss(std::ios_base::binary);
m_node_metadata->serialize(oss);
os<<serializeString(oss.str());
}
// This will happen if the string is longer than 65535
catch(SerializationError &e)
{
// Use an empty string
os<<serializeString("");
}
}
else
{
std::ostringstream oss(std::ios_base::binary);
m_node_metadata->serialize(oss);
compressZlib(oss.str(), os);
//os<<serializeLongString(oss.str());
}
}
}
}
void decompressZlib(std::istream &is, std::ostream &os)
{
z_stream z;
const s32 bufsize = 16384;
char input_buffer[bufsize];
char output_buffer[bufsize];
int status = 0;
int ret;
int bytes_read = 0;
int input_buffer_len = 0;
z.zalloc = Z_NULL;
z.zfree = Z_NULL;
z.opaque = Z_NULL;
ret = inflateInit(&z);
if(ret != Z_OK)
throw SerializationError("dcompressZlib: inflateInit failed");
z.avail_in = 0;
//dstream<<"initial fail="<<is.fail()<<" bad="<<is.bad()<<std::endl;
for(;;)
{
z.next_out = (Bytef*)output_buffer;
z.avail_out = bufsize;
if(z.avail_in == 0)
{
z.next_in = (Bytef*)input_buffer;
input_buffer_len = is.readsome(input_buffer, bufsize);
z.avail_in = input_buffer_len;
//dstream<<"read fail="<<is.fail()<<" bad="<<is.bad()<<std::endl;
}
if(z.avail_in == 0)
{
//dstream<<"z.avail_in == 0"<<std::endl;
break;
}
//dstream<<"1 z.avail_in="<<z.avail_in<<std::endl;
status = inflate(&z, Z_NO_FLUSH);
//dstream<<"2 z.avail_in="<<z.avail_in<<std::endl;
bytes_read += is.gcount() - z.avail_in;
//dstream<<"bytes_read="<<bytes_read<<std::endl;
if(status == Z_NEED_DICT || status == Z_DATA_ERROR
|| status == Z_MEM_ERROR)
{
zerr(status);
throw SerializationError("decompressZlib: inflate failed");
}
int count = bufsize - z.avail_out;
//dstream<<"count="<<count<<std::endl;
if(count)
os.write(output_buffer, count);
if(status == Z_STREAM_END)
{
//dstream<<"Z_STREAM_END"<<std::endl;
//dstream<<"z.avail_in="<<z.avail_in<<std::endl;
//dstream<<"fail="<<is.fail()<<" bad="<<is.bad()<<std::endl;
// Unget all the data that inflate didn't take
for(u32 i=0; i < z.avail_in; i++)
{
is.unget();
if(is.fail() || is.bad())
{
dstream<<"unget #"<<i<<" failed"<<std::endl;
dstream<<"fail="<<is.fail()<<" bad="<<is.bad()<<std::endl;
throw SerializationError("decompressZlib: unget failed");
}
}
break;
}
}
inflateEnd(&z);
}
void MapBlock::deSerialize(std::istream &is, u8 version)
{
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
// These have no lighting info
if(version <= 1)
{
setLightingExpired(true);
}
// These have no "generated" field
if(version < 18)
{
m_generated = true;
}
// These have no compression
if(version <= 3 || version == 5 || version == 6)
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
char tmp;
is.read(&tmp, 1);
if(is.gcount() != 1)
throw SerializationError
("MapBlock::deSerialize: no enough input data");
is_underground = tmp;
for(u32 i=0; i<nodecount; i++)
{
s32 len = MapNode::serializedLength(version);
SharedBuffer<u8> d(len);
is.read((char*)*d, len);
if(is.gcount() != len)
throw SerializationError
("MapBlock::deSerialize: no enough input data");
data[i].deSerialize(*d, version);
}
}
else if(version <= 10)
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
u8 t8;
is.read((char*)&t8, 1);
is_underground = t8;
{
// Uncompress and set material data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
data[i].param0 = s[i];
}
}
{
// Uncompress and set param data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
data[i].param1 = s[i];
}
}
if(version >= 10)
{
// Uncompress and set param2 data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount)
throw SerializationError
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
data[i].param2 = s[i];
}
}
}
// All other versions (newest)
else
{
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
u8 flags;
is.read((char*)&flags, 1);
is_underground = (flags & 0x01) ? true : false;
m_day_night_differs = (flags & 0x02) ? true : false;
m_lighting_expired = (flags & 0x04) ? true : false;
if(version >= 18)
m_generated = (flags & 0x08) ? false : true;
// Uncompress data
std::ostringstream os(std::ios_base::binary);
decompress(is, os, version);
std::string s = os.str();
if(s.size() != nodecount*3)
throw SerializationError
("MapBlock::deSerialize: decompress resulted in size"
" other than nodecount*3");
// deserialize nodes from buffer
for(u32 i=0; i<nodecount; i++)
{
u8 buf[3];
buf[0] = s[i];
buf[1] = s[i+nodecount];
buf[2] = s[i+nodecount*2];
data[i].deSerialize(buf, version);
}
/*
NodeMetadata
*/
if(version >= 14)
{
// Ignore errors
try{
if(version <= 15)
{
std::string data = deSerializeString(is);
std::istringstream iss(data, std::ios_base::binary);
m_node_metadata->deSerialize(iss, m_gamedef);
}
else
{
//std::string data = deSerializeLongString(is);
std::ostringstream oss(std::ios_base::binary);
decompressZlib(is, oss);
std::istringstream iss(oss.str(), std::ios_base::binary);
m_node_metadata->deSerialize(iss, m_gamedef);
}
}
catch(SerializationError &e)
{
errorstream<<"WARNING: MapBlock::deSerialize(): Ignoring an error"
<<" while deserializing node metadata"<<std::endl;
}
}
}
}
MapBlock* Database_SQLite3::loadBlock(v3s16 blockpos)
{
v2s16 p2d(blockpos.X, blockpos.Z);
verifyDatabase();
if(sqlite3_bind_int64(m_database_read, 1, getBlockAsInteger(blockpos)) != SQLITE_OK)
infostream<<"WARNING: Could not bind block position for load: "
<<sqlite3_errmsg(m_database)<<std::endl;
if(sqlite3_step(m_database_read) == SQLITE_ROW) {
/*
Make sure sector is loaded
*/
MapSector *sector = srvmap->createSector(p2d);
/*
Load block
*/
const char * data = (const char *)sqlite3_column_blob(m_database_read, 0);
size_t len = sqlite3_column_bytes(m_database_read, 0);
std::string datastr(data, len);
// srvmap->loadBlock(&datastr, blockpos, sector, false);
try {
std::istringstream is(datastr, std::ios_base::binary);
u8 version = SER_FMT_VER_INVALID;
is.read((char*)&version, 1);
if(is.fail())
throw SerializationError("ServerMap::loadBlock(): Failed"
" to read MapBlock version");
MapBlock *block = NULL;
bool created_new = false;
block = sector->getBlockNoCreateNoEx(blockpos.Y);
if(block == NULL)
{
block = sector->createBlankBlockNoInsert(blockpos.Y);
created_new = true;
}
// Read basic data
block->deSerialize(is, version, true);
// If it's a new block, insert it to the map
if(created_new)
sector->insertBlock(block);
/*
Save blocks loaded in old format in new format
*/
//if(version < SER_FMT_VER_HIGHEST || save_after_load)
// Only save if asked to; no need to update version
//if(save_after_load)
// saveBlock(block);
// We just loaded it from, so it's up-to-date.
block->resetModified();
}
catch(SerializationError &e)
{
errorstream<<"Invalid block data in database"
<<" ("<<blockpos.X<<","<<blockpos.Y<<","<<blockpos.Z<<")"
<<" (SerializationError): "<<e.what()<<std::endl;
// TODO: Block should be marked as invalid in memory so that it is
// not touched but the game can run
if(g_settings->getBool("ignore_world_load_errors")){
errorstream<<"Ignoring block load error. Duck and cover! "
<<"(ignore_world_load_errors)"<<std::endl;
} else {
throw SerializationError("Invalid block data in database");
//assert(0);
}
}
sqlite3_step(m_database_read);
// We should never get more than 1 row, so ok to reset
sqlite3_reset(m_database_read);
return srvmap->getBlockNoCreateNoEx(blockpos); // should not be using this here
}
sqlite3_reset(m_database_read);
return(NULL);
}
void ContentFeatures::deSerialize(std::istream &is)
{
int version = readU8(is);
if(version != 7){
deSerializeOld(is, version);
return;
}
name = deSerializeString(is);
groups.clear();
u32 groups_size = readU16(is);
for(u32 i = 0; i < groups_size; i++){
std::string name = deSerializeString(is);
int value = readS16(is);
groups[name] = value;
}
drawtype = (enum NodeDrawType)readU8(is);
visual_scale = readF1000(is);
if(readU8(is) != 6)
throw SerializationError("unsupported tile count");
for(u32 i = 0; i < 6; i++)
tiledef[i].deSerialize(is);
if(readU8(is) != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for(u32 i = 0; i < CF_SPECIAL_COUNT; i++)
tiledef_special[i].deSerialize(is);
alpha = readU8(is);
post_effect_color.setAlpha(readU8(is));
post_effect_color.setRed(readU8(is));
post_effect_color.setGreen(readU8(is));
post_effect_color.setBlue(readU8(is));
param_type = (enum ContentParamType)readU8(is);
param_type_2 = (enum ContentParamType2)readU8(is);
is_ground_content = readU8(is);
light_propagates = readU8(is);
sunlight_propagates = readU8(is);
walkable = readU8(is);
pointable = readU8(is);
diggable = readU8(is);
climbable = readU8(is);
buildable_to = readU8(is);
deSerializeString(is); // legacy: used to be metadata_name
liquid_type = (enum LiquidType)readU8(is);
liquid_alternative_flowing = deSerializeString(is);
liquid_alternative_source = deSerializeString(is);
liquid_viscosity = readU8(is);
liquid_renewable = readU8(is);
light_source = readU8(is);
damage_per_second = readU32(is);
node_box.deSerialize(is);
selection_box.deSerialize(is);
legacy_facedir_simple = readU8(is);
legacy_wallmounted = readU8(is);
deSerializeSimpleSoundSpec(sound_footstep, is);
deSerializeSimpleSoundSpec(sound_dig, is);
deSerializeSimpleSoundSpec(sound_dug, is);
rightclickable = readU8(is);
drowning = readU8(is);
leveled = readU8(is);
liquid_range = readU8(is);
waving = readU8(is);
// If you add anything here, insert it primarily inside the try-catch
// block to not need to increase the version.
try{
// Stuff below should be moved to correct place in a version that
// otherwise changes the protocol version
mesh = deSerializeString(is);
collision_box.deSerialize(is);
}catch(SerializationError &e) {};
}
void MapBlock::serialize(std::ostream &os, u8 version, bool disk)
{
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
if(data == NULL)
{
throw SerializationError("ERROR: Not writing dummy block.");
}
if(version <= 21)
{
serialize_pre22(os, version, disk);
return;
}
// First byte
u8 flags = 0;
if(is_underground)
flags |= 0x01;
if(m_day_night_differs)
flags |= 0x02;
if(m_lighting_expired)
flags |= 0x04;
if(m_generated == false)
flags |= 0x08;
writeU8(os, flags);
/*
Bulk node data
*/
NameIdMapping nimap;
u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
if(disk)
{
MapNode *tmp_nodes = new MapNode[nodecount];
for(u32 i=0; i<nodecount; i++)
tmp_nodes[i] = data[i];
getBlockNodeIdMapping(&nimap, tmp_nodes, m_gamedef->ndef());
u8 content_width = 1;
/*u8 content_width = (nimap.size() <= 255) ? 1 : 2;*/
u8 params_width = 2;
writeU8(os, content_width);
writeU8(os, params_width);
MapNode::serializeBulk(os, version, tmp_nodes, nodecount,
content_width, params_width, true);
delete[] tmp_nodes;
}
else
{
u8 content_width = 1;
/*u8 content_width = 2;*/
u8 params_width = 2;
writeU8(os, content_width);
writeU8(os, params_width);
MapNode::serializeBulk(os, version, data, nodecount,
content_width, params_width, true);
}
/*
Node metadata
*/
std::ostringstream oss(std::ios_base::binary);
m_node_metadata->serialize(oss);
compressZlib(oss.str(), os);
/*
Data that goes to disk, but not the network
*/
if(disk)
{
// Static objects
m_static_objects.serialize(os);
// Timestamp
writeU32(os, getTimestamp());
// Write block-specific node definition id mapping
nimap.serialize(os);
}
}
void ContentFeatures::deSerializeOld(std::istream &is, int version)
{
if(version == 5) // In PROTOCOL_VERSION 13
{
name = deSerializeString(is);
groups.clear();
u32 groups_size = readU16(is);
for(u32 i=0; i<groups_size; i++){
std::string name = deSerializeString(is);
int value = readS16(is);
groups[name] = value;
}
drawtype = (enum NodeDrawType)readU8(is);
visual_scale = readF1000(is);
if(readU8(is) != 6)
throw SerializationError("unsupported tile count");
for(u32 i=0; i<6; i++)
tiledef[i].deSerialize(is);
if(readU8(is) != CF_SPECIAL_COUNT)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for(u32 i=0; i<CF_SPECIAL_COUNT; i++)
tiledef_special[i].deSerialize(is);
alpha = readU8(is);
post_effect_color.setAlpha(readU8(is));
post_effect_color.setRed(readU8(is));
post_effect_color.setGreen(readU8(is));
post_effect_color.setBlue(readU8(is));
param_type = (enum ContentParamType)readU8(is);
param_type_2 = (enum ContentParamType2)readU8(is);
is_ground_content = readU8(is);
light_propagates = readU8(is);
sunlight_propagates = readU8(is);
walkable = readU8(is);
pointable = readU8(is);
diggable = readU8(is);
climbable = readU8(is);
buildable_to = readU8(is);
deSerializeString(is); // legacy: used to be metadata_name
liquid_type = (enum LiquidType)readU8(is);
liquid_alternative_flowing = deSerializeString(is);
liquid_alternative_source = deSerializeString(is);
liquid_viscosity = readU8(is);
light_source = readU8(is);
damage_per_second = readU32(is);
node_box.deSerialize(is);
selection_box.deSerialize(is);
legacy_facedir_simple = readU8(is);
legacy_wallmounted = readU8(is);
deSerializeSimpleSoundSpec(sound_footstep, is);
deSerializeSimpleSoundSpec(sound_dig, is);
deSerializeSimpleSoundSpec(sound_dug, is);
} else if (version == 6) {
name = deSerializeString(is);
groups.clear();
u32 groups_size = readU16(is);
for(u32 i=0; i<groups_size; i++){
std::string name = deSerializeString(is);
int value = readS16(is);
groups[name] = value;
}
drawtype = (enum NodeDrawType)readU8(is);
visual_scale = readF1000(is);
if(readU8(is) != 6)
throw SerializationError("unsupported tile count");
for(u32 i=0; i<6; i++)
tiledef[i].deSerialize(is);
// CF_SPECIAL_COUNT in version 6 = 2
if(readU8(is) != 2)
throw SerializationError("unsupported CF_SPECIAL_COUNT");
for(u32 i=0; i<2; i++)
tiledef_special[i].deSerialize(is);
alpha = readU8(is);
post_effect_color.setAlpha(readU8(is));
post_effect_color.setRed(readU8(is));
post_effect_color.setGreen(readU8(is));
post_effect_color.setBlue(readU8(is));
param_type = (enum ContentParamType)readU8(is);
param_type_2 = (enum ContentParamType2)readU8(is);
is_ground_content = readU8(is);
light_propagates = readU8(is);
sunlight_propagates = readU8(is);
walkable = readU8(is);
pointable = readU8(is);
diggable = readU8(is);
climbable = readU8(is);
buildable_to = readU8(is);
deSerializeString(is); // legacy: used to be metadata_name
liquid_type = (enum LiquidType)readU8(is);
liquid_alternative_flowing = deSerializeString(is);
liquid_alternative_source = deSerializeString(is);
liquid_viscosity = readU8(is);
liquid_renewable = readU8(is);
light_source = readU8(is);
damage_per_second = readU32(is);
node_box.deSerialize(is);
selection_box.deSerialize(is);
legacy_facedir_simple = readU8(is);
legacy_wallmounted = readU8(is);
deSerializeSimpleSoundSpec(sound_footstep, is);
deSerializeSimpleSoundSpec(sound_dig, is);
deSerializeSimpleSoundSpec(sound_dug, is);
rightclickable = readU8(is);
drowning = readU8(is);
leveled = readU8(is);
liquid_range = readU8(is);
} else
throw SerializationError("unsupported ContentFeatures version");
}
void RemotePlayer::deSerialize(std::istream &is, const std::string &playername,
PlayerSAO *sao)
{
Settings args;
if (!args.parseConfigLines(is, "PlayerArgsEnd")) {
throw SerializationError("PlayerArgsEnd of player " + playername + " not found!");
}
m_dirty = true;
//args.getS32("version"); // Version field value not used
const std::string &name = args.get("name");
strlcpy(m_name, name.c_str(), PLAYERNAME_SIZE);
if (sao) {
try {
sao->setHPRaw(args.getS32("hp"));
} catch(SettingNotFoundException &e) {
sao->setHPRaw(PLAYER_MAX_HP_DEFAULT);
}
try {
sao->setBasePosition(args.getV3F("position"));
} catch (SettingNotFoundException &e) {}
try {
sao->setPitch(args.getFloat("pitch"));
} catch (SettingNotFoundException &e) {}
try {
sao->setYaw(args.getFloat("yaw"));
} catch (SettingNotFoundException &e) {}
try {
sao->setBreath(args.getS32("breath"), false);
} catch (SettingNotFoundException &e) {}
try {
const std::string &extended_attributes = args.get("extended_attributes");
std::istringstream iss(extended_attributes);
Json::CharReaderBuilder builder;
builder.settings_["collectComments"] = false;
std::string errs;
Json::Value attr_root;
Json::parseFromStream(builder, iss, &attr_root, &errs);
const Json::Value::Members attr_list = attr_root.getMemberNames();
for (const auto &it : attr_list) {
Json::Value attr_value = attr_root[it];
sao->getMeta().setString(it, attr_value.asString());
}
sao->getMeta().setModified(false);
} catch (SettingNotFoundException &e) {}
}
try {
inventory.deSerialize(is);
} catch (SerializationError &e) {
errorstream << "Failed to deserialize player inventory. player_name="
<< name << " " << e.what() << std::endl;
}
if (!inventory.getList("craftpreview") && inventory.getList("craftresult")) {
// Convert players without craftpreview
inventory.addList("craftpreview", 1);
bool craftresult_is_preview = true;
if(args.exists("craftresult_is_preview"))
craftresult_is_preview = args.getBool("craftresult_is_preview");
if(craftresult_is_preview)
{
// Clear craftresult
inventory.getList("craftresult")->changeItem(0, ItemStack());
}
}
}
