#include "jmutexautolock.h"
#include "client.h"
#include "exceptions.h"
+#include "mapblock.h"
-MapSector::MapSector(NodeContainer *parent, v2s16 pos):
- differs_from_disk(true),
- usage_timer(0.0),
+MapSector::MapSector(Map *parent, v2s16 pos):
+ differs_from_disk(false),
m_parent(parent),
m_pos(pos),
m_block_cache(NULL)
{
- m_mutex.Init();
- assert(m_mutex.IsInitialized());
}
MapSector::~MapSector()
void MapSector::deleteBlocks()
{
- JMutexAutoLock lock(m_mutex);
-
// Clear cache
m_block_cache = NULL;
return block;
}
-MapBlock * MapSector::getBlockNoCreate(s16 y)
+MapBlock * MapSector::getBlockNoCreateNoEx(s16 y)
{
- JMutexAutoLock lock(m_mutex);
-
- MapBlock *block = getBlockBuffered(y);
-
- if(block == NULL)
- throw InvalidPositionException();
-
- return block;
+ return getBlockBuffered(y);
}
MapBlock * MapSector::createBlankBlockNoInsert(s16 y)
{
- // There should not be a block at this position
- if(getBlockBuffered(y) != NULL)
- throw AlreadyExistsException("Block already exists");
+ assert(getBlockBuffered(y) == NULL);
v3s16 blockpos_map(m_pos.X, y, m_pos.Y);
MapBlock * MapSector::createBlankBlock(s16 y)
{
- JMutexAutoLock lock(m_mutex);
-
MapBlock *block = createBlankBlockNoInsert(y);
m_blocks.insert(y, block);
{
s16 block_y = block->getPos().Y;
- {
- JMutexAutoLock lock(m_mutex);
-
- MapBlock *block2 = getBlockBuffered(block_y);
- if(block2 != NULL){
- throw AlreadyExistsException("Block already exists");
- }
-
- v2s16 p2d(block->getPos().X, block->getPos().Z);
- assert(p2d == m_pos);
-
- // Insert into container
- m_blocks.insert(block_y, block);
+ MapBlock *block2 = getBlockBuffered(block_y);
+ if(block2 != NULL){
+ throw AlreadyExistsException("Block already exists");
}
+
+ v2s16 p2d(block->getPos().X, block->getPos().Z);
+ assert(p2d == m_pos);
+
+ // Insert into container
+ m_blocks.insert(block_y, block);
}
-void MapSector::removeBlock(MapBlock *block)
+void MapSector::deleteBlock(MapBlock *block)
{
s16 block_y = block->getPos().Y;
- JMutexAutoLock lock(m_mutex);
-
// Clear from cache
m_block_cache = NULL;
// Remove from container
m_blocks.remove(block_y);
+
+ // Delete
+ delete block;
}
void MapSector::getBlocks(core::list<MapBlock*> &dest)
{
- JMutexAutoLock lock(m_mutex);
-
core::list<MapBlock*> ref_list;
core::map<s16, MapBlock*>::Iterator bi;
ServerMapSector
*/
-ServerMapSector::ServerMapSector(NodeContainer *parent, v2s16 pos, u16 hm_split):
- MapSector(parent, pos),
- m_hm_split(hm_split),
- m_objects(NULL)
+ServerMapSector::ServerMapSector(Map *parent, v2s16 pos):
+ MapSector(parent, pos)
{
- // hm_split has to be 1 or 2^x
- assert(hm_split == 0 || hm_split == 1 || (hm_split & (hm_split-1)) == 0);
- assert(hm_split * hm_split <= MAPSECTOR_FIXEDHEIGHTMAPS_MAXCOUNT);
-
- for(u16 i=0; i<hm_split*hm_split; i++)
- m_heightmaps[i] = NULL;
}
ServerMapSector::~ServerMapSector()
{
- u16 hm_count = m_hm_split * m_hm_split;
-
- // Write heightmaps
- for(u16 i=0; i<hm_count; i++)
- {
- if(m_heightmaps[i])
- delete m_heightmaps[i];
- }
-
- if(m_objects)
- delete m_objects;
-}
-
-void ServerMapSector::setHeightmap(v2s16 hm_p, FixedHeightmap *hm)
-{
- assert(isInArea(hm_p, m_hm_split));
-
- s16 i = hm_p.Y * m_hm_split + hm_p.X;
-
- // Don't allow setting already set heightmaps as of now
- assert(m_heightmaps[i] == NULL);
-
- /*std::cout<<"MapSector::setHeightmap for sector "
- <<"("<<m_pos.X<<","<<m_pos.Y<<"): "
- <<"Setting heightmap "
- <<"("<<hm_p.X<<","<<hm_p.Y<<")"
- <<" which is i="<<i
- <<" to pointer "<<(long long)hm
- <<std::endl;*/
-
- m_heightmaps[i] = hm;
-
- differs_from_disk = true;
-}
-
-FixedHeightmap * ServerMapSector::getHeightmap(v2s16 hm_p)
-{
- assert(isInArea(hm_p, m_hm_split));
-
- s16 i = hm_p.Y * m_hm_split + hm_p.X;
-
- return m_heightmaps[i];
-}
-
-f32 ServerMapSector::getGroundHeight(v2s16 p, bool generate)
-{
- // If no heightmaps
- if(m_hm_split == 0)
- {
- /*std::cout<<"Sector has no heightmap"
- <<" while trying to get height at ("<<p.X<<","<<p.Y<<")"
- <<" for sector ("<<m_pos.X<<","<<m_pos.Y<<")"
- <<std::endl;*/
- return GROUNDHEIGHT_NOTFOUND_SETVALUE;
- }
-
- // Side length of heightmap
- s16 hm_d = MAP_BLOCKSIZE / m_hm_split;
-
- // Position of selected heightmap
- v2s16 hm_p = getContainerPos(p, hm_d);
- if(isInArea(hm_p, m_hm_split) == false)
- {
- /*std::cout<<"Sector has no heightmap ("<<hm_p.X<<","<<hm_p.Y<<")"
- <<" while trying to get height at ("<<p.X<<","<<p.Y<<")"
- <<" for sector ("<<m_pos.X<<","<<m_pos.Y<<")"
- <<std::endl;*/
- return GROUNDHEIGHT_NOTFOUND_SETVALUE;
- }
-
- // Selected heightmap
- FixedHeightmap *hm = m_heightmaps[hm_p.Y * m_hm_split + hm_p.X];
-
- if(hm == NULL)
- {
- /*std::cout<<"Sector heightmap ("<<hm_p.X<<","<<hm_p.Y<<")"
- " is NULL"
- <<" while trying to get height at ("<<p.X<<","<<p.Y<<")"
- <<" for sector ("<<m_pos.X<<","<<m_pos.Y<<")"
- <<std::endl;*/
- return GROUNDHEIGHT_NOTFOUND_SETVALUE;
- }
-
- // Position in selected heighmap
- v2s16 p_in_hm = p - hm_p * hm_d;
- if(isInArea(p_in_hm, hm_d+1) == false)
- {
- /*std::cout<<"Position ("<<p_in_hm.X<<","<<p_in_hm.Y<<")"
- " not in sector heightmap area"
- <<" while trying to get height at ("<<p.X<<","<<p.Y<<")"
- <<" for sector ("<<m_pos.X<<","<<m_pos.Y<<")"
- <<std::endl;*/
- return GROUNDHEIGHT_NOTFOUND_SETVALUE;
- }
-
- f32 h = hm->getGroundHeight(p_in_hm);
-
- /*if(h < GROUNDHEIGHT_VALID_MINVALUE)
- {
- std::cout<<"Sector heightmap ("<<hm_p.X<<","<<hm_p.Y<<")"
- " returned invalid value"
- <<" while trying to get height at ("<<p.X<<","<<p.Y<<")"
- <<" which is ("<<p_in_hm.X<<","<<p_in_hm.Y<<") in heightmap"
- <<" for sector ("<<m_pos.X<<","<<m_pos.Y<<")"
- <<std::endl;
- }*/
-
- return h;
-}
-
-void ServerMapSector::setGroundHeight(v2s16 p, f32 y, bool generate)
-{
- /*
- NOTE:
- This causes glitches because the sector cannot be actually
- modified according to heightmap changes.
-
- This is useful when generating continued sub-heightmaps
- inside the sector.
- */
-
- // If no heightmaps
- if(m_hm_split == 0)
- return;
-
- // Side length of heightmap
- s16 hm_d = MAP_BLOCKSIZE / m_hm_split;
-
- // Position of selected heightmap
- v2s16 hm_p = getContainerPos(p, hm_d);
- if(isInArea(hm_p, m_hm_split) == false)
- return;
-
- // Selected heightmap
- FixedHeightmap *hm = m_heightmaps[hm_p.Y * m_hm_split + hm_p.X];
-
- if(hm == NULL)
- return;
-
- // Position in selected heighmap
- v2s16 p_in_hm = p - hm_p * hm_d;
- if(isInArea(p_in_hm, hm_d) == false)
- return;
-
- hm->setGroundHeight(p_in_hm, y);
-
- differs_from_disk = true;
}
void ServerMapSector::serialize(std::ostream &os, u8 version)
*/
// Server has both of these, no need to support not having them.
- assert(m_objects != NULL);
+ //assert(m_objects != NULL);
// Write version
os.write((char*)&version, 1);
/*
- Serialize heightmap(s)
+ Add stuff here, if needed
*/
- // Version with single heightmap
- if(version <= 7)
- {
- u32 heightmap_size =
- FixedHeightmap::serializedLength(version, MAP_BLOCKSIZE);
-
- SharedBuffer<u8> data(heightmap_size);
- m_heightmaps[0]->serialize(*data, version);
-
- os.write((const char*)*data, heightmap_size);
-
- if(version >= 5)
- {
- /*
- Write objects
- */
-
- u16 object_count;
- if(m_objects->size() > 65535)
- object_count = 65535;
- else
- object_count = m_objects->size();
-
- u8 b[2];
- writeU16(b, object_count);
- os.write((char*)b, 2);
-
- core::map<v3s16, u8>::Iterator i;
- i = m_objects->getIterator();
- for(; i.atEnd() == false; i++)
- {
- v3s16 p = i.getNode()->getKey();
- u8 d = i.getNode()->getValue();
- u8 b[7];
- writeV3S16(&b[0], p);
- b[6] = d;
- os.write((char*)b, 7);
- }
- }
- }
- // Version with multiple heightmaps
- else
- {
- u8 buf[2];
-
- if(m_hm_split > 255)
- throw SerializationError("Sector has too many heightmaps");
-
- // Write heightmap split ratio
- writeU8(buf, m_hm_split);
- os.write((char*)buf, 1);
-
- // If there are heightmaps, write them
- if(m_hm_split != 0)
- {
- u16 hm_d = MAP_BLOCKSIZE / m_hm_split;
-
- u32 hm_size = FixedHeightmap::serializedLength(version, hm_d);
- SharedBuffer<u8> data(hm_size);
-
- u16 hm_count = m_hm_split * m_hm_split;
-
- // Write heightmaps
- for(u16 i=0; i<hm_count; i++)
- {
- m_heightmaps[i]->serialize(*data, version);
- os.write((const char*)*data, hm_size);
- }
- }
-
- /*
- Write objects
- */
-
- u16 object_count;
- if(m_objects->size() > 65535)
- object_count = 65535;
- else
- object_count = m_objects->size();
-
- u8 b[2];
- writeU16(b, object_count);
- os.write((char*)b, 2);
-
- core::map<v3s16, u8>::Iterator i;
- i = m_objects->getIterator();
- for(; i.atEnd() == false; i++)
- {
- v3s16 p = i.getNode()->getKey();
- u8 d = i.getNode()->getValue();
- u8 b[7];
- writeV3S16(&b[0], p);
- b[6] = d;
- os.write((char*)b, 7);
- }
- }
}
ServerMapSector* ServerMapSector::deSerialize(
std::istream &is,
- NodeContainer *parent,
+ Map *parent,
v2s16 p2d,
- Heightmap *master_hm,
core::map<v2s16, MapSector*> & sectors
)
{
throw VersionMismatchException("ERROR: MapSector format not supported");
/*
- Read heightmap(s)
+ Add necessary reading stuff here
*/
-
- FixedHeightmap *hms[MAPSECTOR_FIXEDHEIGHTMAPS_MAXCOUNT];
- u16 hm_split = 0;
-
- // Version with a single heightmap
- if(version <= 7)
- {
- hm_split = 1;
-
- u32 hm_size =
- FixedHeightmap::serializedLength(version, MAP_BLOCKSIZE);
-
- SharedBuffer<u8> data(hm_size);
- is.read((char*)*data, hm_size);
-
- hms[0] = new FixedHeightmap(master_hm, p2d, MAP_BLOCKSIZE);
- hms[0]->deSerialize(*data, version);
- }
- // Version with multiple heightmaps
- else
- {
- u8 buf[2];
-
- // Read split ratio
- is.read((char*)buf, 1);
- hm_split = readU8(buf);
-
- // If there are heightmaps, read them
- if(hm_split != 0)
- {
- u16 hm_count = hm_split * hm_split;
-
- if(hm_count > MAPSECTOR_FIXEDHEIGHTMAPS_MAXCOUNT)
- throw SerializationError("Sector has too many heightmaps");
-
- u16 hm_d = MAP_BLOCKSIZE / hm_split;
-
- u32 hm_size = FixedHeightmap::serializedLength(version, hm_d);
-
- u16 i=0;
- for(s16 y=0; y<hm_split; y++)
- for(s16 x=0; x<hm_split; x++)
- {
- SharedBuffer<u8> data(hm_size);
- is.read((char*)*data, hm_size);
-
- hms[i] = new FixedHeightmap(master_hm, p2d+v2s16(x,y), hm_d);
- hms[i]->deSerialize(*data, version);
- i++;
- }
- }
- }
-
- /*
- Read objects
- */
-
- core::map<v3s16, u8> *objects = new core::map<v3s16, u8>;
-
- if(version >= 5)
- {
- u8 b[2];
- is.read((char*)b, 2);
- u16 object_count = readU16(b);
-
- for(u16 i=0; i<object_count; i++)
- {
- u8 b[7];
- is.read((char*)b, 7);
- v3s16 p = readV3S16(&b[0]);
- u8 d = b[6];
- objects->insert(p, d);
- }
- }
/*
Get or create sector
if(n != NULL)
{
- dstream<<"deSerializing existent sectors not supported "
+ dstream<<"WARNING: deSerializing existent sectors not supported "
"at the moment, because code hasn't been tested."
<<std::endl;
- assert(0);
- // NOTE: At least hm_split mismatch would have to be checked
-
- //sector = n->getValue();
+
+ MapSector *sector = n->getValue();
+ assert(sector->getId() == MAPSECTOR_SERVER);
+ return (ServerMapSector*)sector;
}
else
{
- sector = new ServerMapSector(parent, p2d, hm_split);
+ sector = new ServerMapSector(parent, p2d);
sectors.insert(p2d, sector);
}
Set stuff in sector
*/
- // Set heightmaps
-
- sector->m_hm_split = hm_split;
-
- u16 hm_count = hm_split * hm_split;
-
- for(u16 i=0; i<hm_count; i++)
- {
- // Set (or change) heightmap
- FixedHeightmap *oldhm = sector->m_heightmaps[i];
- sector->m_heightmaps[i] = hms[i];
- if(oldhm != NULL)
- delete oldhm;
- }
-
- // Set (or change) objects
- core::map<v3s16, u8> *oldfo = sector->m_objects;
- sector->m_objects = objects;
- if(oldfo)
- delete oldfo;
+ // Nothing here
return sector;
}
ClientMapSector
*/
-ClientMapSector::ClientMapSector(NodeContainer *parent, v2s16 pos):
+ClientMapSector::ClientMapSector(Map *parent, v2s16 pos):
MapSector(parent, pos)
{
}
{
}
-void ClientMapSector::deSerialize(std::istream &is)
-{
- /*
- [0] u8 serialization version
- [1] s16 corners[0]
- [3] s16 corners[1]
- [5] s16 corners[2]
- [7] s16 corners[3]
- size = 9
-
- In which corners are in these positions
- v2s16(0,0),
- v2s16(1,0),
- v2s16(1,1),
- v2s16(0,1),
- */
-
- // Read version
- u8 version = SER_FMT_VER_INVALID;
- is.read((char*)&version, 1);
-
- if(!ser_ver_supported(version))
- throw VersionMismatchException("ERROR: MapSector format not supported");
- if(version <= 7)
- throw VersionMismatchException("ERROR: MapSector format not supported");
-
- u8 buf[2];
-
- // Read corners
- is.read((char*)buf, 2);
- s16 c0 = readU16(buf);
- is.read((char*)buf, 2);
- s16 c1 = readU16(buf);
- is.read((char*)buf, 2);
- s16 c2 = readU16(buf);
- is.read((char*)buf, 2);
- s16 c3 = readU16(buf);
-
- /*
- Set stuff in sector
- */
-
- m_corners[0] = c0;
- m_corners[1] = c1;
- m_corners[2] = c2;
- m_corners[3] = c3;
-}
#endif // !SERVER
//END