#include "log.h"
#include "nameidmapping.h"
#include "content_mapnode.h" // For legacy name-id mapping
+#ifndef SERVER
+#include "mapblock_mesh.h"
+#endif
/*
MapBlock
m_pos(pos),
m_gamedef(gamedef),
m_modified(MOD_STATE_WRITE_NEEDED),
+ m_modified_reason("initial"),
+ m_modified_reason_too_long(false),
is_underground(false),
m_lighting_expired(true),
m_day_night_differs(false),
m_generated(false),
m_timestamp(BLOCK_TIMESTAMP_UNDEFINED),
+ m_disk_timestamp(BLOCK_TIMESTAMP_UNDEFINED),
m_usage_timer(0)
{
data = NULL;
/*
Serialization
*/
-
// List relevant id-name pairs for ids in the block using nodedef
-static void getBlockNodeIdMapping(NameIdMapping *nimap, MapBlock *block,
+// Renumbers the content IDs (starting at 0 and incrementing
+static void getBlockNodeIdMapping(NameIdMapping *nimap, MapNode *nodes,
INodeDefManager *nodedef)
{
+ std::map<content_t, content_t> mapping;
std::set<content_t> unknown_contents;
- for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
- for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
- for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
+ content_t id_counter = 0;
+ for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
{
- v3s16 p(x0,y0,z0);
- MapNode n = block->getNode(p);
- content_t id = n.getContent();
- const ContentFeatures &f = nodedef->get(id);
- const std::string &name = f.name;
- if(name == "")
- unknown_contents.insert(id);
+ content_t global_id = nodes[i].getContent();
+ content_t id = CONTENT_IGNORE;
+
+ // Try to find an existing mapping
+ std::map<content_t, content_t>::iterator j = mapping.find(global_id);
+ if(j != mapping.end())
+ {
+ id = j->second;
+ }
else
- nimap->set(id, name);
+ {
+ // We have to assign a new mapping
+ id = id_counter++;
+ mapping.insert(std::make_pair(global_id, id));
+
+ const ContentFeatures &f = nodedef->get(global_id);
+ const std::string &name = f.name;
+ if(name == "")
+ unknown_contents.insert(global_id);
+ else
+ nimap->set(id, name);
+ }
+
+ // Update the MapNode
+ nodes[i].setContent(id);
}
for(std::set<content_t>::const_iterator
i = unknown_contents.begin();
// Correct ids in the block to match nodedef based on names.
// Unknown ones are added to nodedef.
// Will not update itself to match id-name pairs in nodedef.
-void correctBlockNodeIds(const NameIdMapping *nimap, MapBlock *block,
+static void correctBlockNodeIds(const NameIdMapping *nimap, MapNode *nodes,
IGameDef *gamedef)
{
INodeDefManager *nodedef = gamedef->ndef();
// correct ids.
std::set<content_t> unnamed_contents;
std::set<std::string> unallocatable_contents;
- for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
- for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
- for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
+ for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
{
- v3s16 p(x0,y0,z0);
- MapNode n = block->getNode(p);
- content_t local_id = n.getContent();
+ content_t local_id = nodes[i].getContent();
std::string name;
bool found = nimap->getName(local_id, name);
if(!found){
continue;
}
}
- n.setContent(global_id);
- block->setNode(p, n);
+ nodes[i].setContent(global_id);
}
for(std::set<content_t>::const_iterator
i = unnamed_contents.begin();
}
}
-void MapBlock::serialize(std::ostream &os, u8 version)
+void MapBlock::serialize(std::ostream &os, u8 version, bool disk)
{
if(!ser_ver_supported(version))
throw VersionMismatchException("ERROR: MapBlock format not supported");
throw SerializationError("ERROR: Not writing dummy block.");
}
- // These have no compression
- if(version <= 3 || version == 5 || version == 6)
+ if(version <= 21)
{
- u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
-
- u32 buflen = 1 + nodecount * MapNode::serializedLength(version);
- SharedBuffer<u8> dest(buflen);
+ serialize_pre22(os, version, disk);
+ return;
+ }
- dest[0] = is_underground;
+ // 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 MapBlock::deSerialize(std::istream &is, u8 version, bool disk)
+{
+ if(!ser_ver_supported(version))
+ throw VersionMismatchException("ERROR: MapBlock format not supported");
+
+ 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
+ */
+ u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
+ u8 content_width = readU8(is);
+ u8 params_width = readU8(is);
+ if(content_width != 1)
+ 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
+ */
+ // Ignore errors
+ try{
+ 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;
+ }
+
+ /*
+ Data that is only on disk
+ */
+ if(disk)
+ {
+ // Static objects
+ m_static_objects.deSerialize(is);
+
+ // Timestamp
+ setTimestamp(readU32(is));
+ m_disk_timestamp = m_timestamp;
+
+ // Dynamically re-set ids based on node names
+ NameIdMapping nimap;
+ nimap.deSerialize(is);
+ correctBlockNodeIds(&nimap, data, m_gamedef);
+ }
+}
+
+/*
+ Legacy serialization
+*/
+
+// List relevant id-name pairs for ids in the block using nodedef
+// Before serialization version 22
+static void getBlockNodeIdMapping_pre22(NameIdMapping *nimap, MapNode *nodes,
+ INodeDefManager *nodedef)
+{
+ std::set<content_t> unknown_contents;
+ for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
+ {
+ content_t id = nodes[i].getContent();
+ const ContentFeatures &f = nodedef->get(id);
+ const std::string &name = f.name;
+ if(name == "")
+ unknown_contents.insert(id);
+ else
+ nimap->set(id, name);
+ }
+ for(std::set<content_t>::const_iterator
+ i = unknown_contents.begin();
+ i != unknown_contents.end(); i++){
+ errorstream<<"getBlockNodeIdMapping_pre22(): IGNORING ERROR: "
+ <<"Name for node id "<<(*i)<<" not known"<<std::endl;
+ }
+}
+void MapBlock::serialize_pre22(std::ostream &os, u8 version, bool disk)
+{
+ u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
+
+ MapNode *tmp_data = new MapNode[nodecount];
+
+ // Legacy data changes
+ // This code has to change from post-22 to pre-22 format.
+ INodeDefManager *nodedef = m_gamedef->ndef();
+ for(u32 i=0; i<nodecount; i++)
+ {
+ const ContentFeatures &f = nodedef->get(tmp_data[i].getContent());
+ // Mineral
+ if(nodedef->getId("default:stone_with_coal") == tmp_data[i].getContent())
{
- u32 s = 1 + i * MapNode::serializedLength(version);
- data[i].serialize(&dest[s], version);
+ tmp_data[i].setContent(nodedef->getId("default:stone"));
+ tmp_data[i].setParam1(1); // MINERAL_COAL
}
+ else if(nodedef->getId("default:stone_with_iron") == tmp_data[i].getContent())
+ {
+ tmp_data[i].setContent(nodedef->getId("default:stone"));
+ tmp_data[i].setParam1(2); // MINERAL_IRON
+ }
+ // facedir_simple
+ if(f.legacy_facedir_simple)
+ {
+ tmp_data[i].setParam1(tmp_data[i].getParam2());
+ tmp_data[i].setParam2(0);
+ }
+ // wall_mounted
+ if(f.legacy_wallmounted)
+ {
+ u8 wallmounted_new_to_old[8] = {0x04, 0x08, 0x01, 0x02, 0x10, 0x20, 0, 0};
+ u8 dir_new_format = tmp_data[i].getParam2() & 7; // lowest 3 bits
+ u8 dir_old_format = wallmounted_new_to_old[dir_new_format];
+ tmp_data[i].setParam2(dir_old_format);
+ }
+ }
+
+ // Serialize nodes
+ u32 ser_length = MapNode::serializedLength(version);
+ SharedBuffer<u8> databuf_nodelist(nodecount * ser_length);
+ for(u32 i=0; i<nodecount; i++)
+ {
+ tmp_data[i].serialize(&databuf_nodelist[i*ser_length], version);
+ }
+
+ delete[] tmp_data;
- os.write((char*)*dest, dest.getSize());
+ // These have no compression
+ if(version <= 3 || version == 5 || version == 6)
+ {
+ writeU8(os, is_underground);
+ os.write((char*)*databuf_nodelist, databuf_nodelist.getSize());
}
else if(version <= 10)
{
*/
// First byte
- os.write((char*)&is_underground, 1);
-
- u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
+ writeU8(os, is_underground);
// Get and compress materials
SharedBuffer<u8> materialdata(nodecount);
for(u32 i=0; i<nodecount; i++)
{
- materialdata[i] = data[i].param0;
+ materialdata[i] = databuf_nodelist[i*ser_length];
}
compress(materialdata, os, version);
SharedBuffer<u8> lightdata(nodecount);
for(u32 i=0; i<nodecount; i++)
{
- lightdata[i] = data[i].param1;
+ lightdata[i] = databuf_nodelist[i*ser_length+1];
}
compress(lightdata, os, version);
SharedBuffer<u8> param2data(nodecount);
for(u32 i=0; i<nodecount; i++)
{
- param2data[i] = data[i].param2;
+ param2data[i] = databuf_nodelist[i*ser_length+2];
}
compress(param2data, os, version);
}
if(m_generated == false)
flags |= 0x08;
}
- os.write((char*)&flags, 1);
+ writeU8(os, flags);
- 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];
+ databuf[i] = databuf_nodelist[i*ser_length];
+ databuf[i+nodecount] = databuf_nodelist[i*ser_length+1];
+ databuf[i+nodecount*2] = databuf_nodelist[i*ser_length+2];
}
/*
}
}
}
-}
-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)
+ if(disk)
{
- setLightingExpired(true);
- }
+ // Versions up from 9 have block objects. (DEPRECATED)
+ if(version >= 9)
+ {
+ // count=0
+ writeU16(os, 0);
+ }
- // These have no "generated" field
- if(version < 18)
- {
- m_generated = true;
+ // Versions up from 15 have static objects.
+ if(version >= 15)
+ {
+ m_static_objects.serialize(os);
+ }
+
+ // Timestamp
+ if(version >= 17)
+ {
+ writeU32(os, getTimestamp());
+ }
+
+ // Scan and write node definition id mapping
+ if(version >= 21)
+ {
+ NameIdMapping nimap;
+ getBlockNodeIdMapping_pre22(&nimap, data, m_gamedef->ndef());
+ nimap.serialize(os);
+ }
}
+}
+
+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)
{
- 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);
- }
+ 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)
{
- u32 nodecount = MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE;
-
u8 t8;
is.read((char*)&t8, 1);
is_underground = t8;
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
- data[i].param0 = s[i];
+ databuf_nodelist[i*ser_length] = s[i];
}
}
{
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
- data[i].param1 = s[i];
+ databuf_nodelist[i*ser_length + 1] = s[i];
}
}
("MapBlock::deSerialize: invalid format");
for(u32 i=0; i<s.size(); i++)
{
- data[i].param2 = s[i];
+ databuf_nodelist[i*ser_length + 2] = 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;
// 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);
+ 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];
}
/*
}
}
}
-}
-void MapBlock::serializeDiskExtra(std::ostream &os, u8 version)
-{
- // Versions up from 9 have block objects. (DEPRECATED)
- if(version >= 9)
+ // Deserialize node data
+ for(u32 i=0; i<nodecount; i++)
{
- // count=0
- writeU16(os, 0);
- }
-
- // Versions up from 15 have static objects.
- if(version >= 15)
- {
- m_static_objects.serialize(os);
+ data[i].deSerialize(&databuf_nodelist[i*ser_length], version);
}
- // Timestamp
- if(version >= 17)
+ if(disk)
{
- writeU32(os, getTimestamp());
- }
+ /*
+ 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);
+ }
- // Scan and write node definition id mapping
- if(version >= 21){
+ // Dynamically re-set ids based on node names
NameIdMapping nimap;
- getBlockNodeIdMapping(&nimap, this, m_gamedef->ndef());
- nimap.serialize(os);
+ // 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);
}
-}
-void MapBlock::deSerializeDiskExtra(std::istream &is, u8 version)
-{
- /*
- 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::deSerializeDiskExtra(): "
- <<"Ignoring stuff coming at and after MBOs"<<std::endl;
- return;
+
+ // 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);
}
}
- /*
- Versions up from 15 have static objects.
- */
- if(version >= 15)
- m_static_objects.deSerialize(is);
-
- // Timestamp
- if(version >= 17)
- setTimestamp(readU32(is));
- 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, this, m_gamedef);
}
/*
projects / dragonfireclient.git / blobdiff