mapgen stuff

1 files changed, 11 insertions, 360 deletions

diff --git a/src/mapsector.cpp b/src/mapsector.cpp
index 1fd668793..a24b6c5de 100644
--- a/src/mapsector.cpp
+++ b/src/mapsector.cpp
@@ -176,168 +176,22 @@ void MapSector::getBlocks(core::list<MapBlock*> &dest)
 	ServerMapSector
 */
 
-ServerMapSector::ServerMapSector(NodeContainer *parent, v2s16 pos, u16 hm_split):
-		MapSector(parent, pos),
-		m_hm_split(hm_split),
-		m_objects(NULL)
+ServerMapSector::ServerMapSector(NodeContainer *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;
+	return GROUNDHEIGHT_NOTFOUND_SETVALUE;
 }
 
 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)
@@ -351,118 +205,21 @@ 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,
 		v2s16 p2d,
-		Heightmap *master_hm,
 		core::map<v2s16, MapSector*> & sectors
 	)
 {
@@ -483,82 +240,8 @@ ServerMapSector* ServerMapSector::deSerialize(
 		throw VersionMismatchException("ERROR: MapSector format not supported");
 	
 	/*
-		Read heightmap(s)
-	*/
-
-	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
+		Add necessary reading stuff here
 	*/
-
-	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
@@ -574,18 +257,13 @@ ServerMapSector* ServerMapSector::deSerialize(
 				"at the moment, because code hasn't been tested."
 				<<std::endl;
 
-		//assert(0);
 		MapSector *sector = n->getValue();
 		assert(sector->getId() == MAPSECTOR_SERVER);
 		return (ServerMapSector*)sector;
-
-		// NOTE: At least hm_split mismatch would have to be checked
-		
-		//sector = n->getValue();
 	}
 	else
 	{
-		sector = new ServerMapSector(parent, p2d, hm_split);
+		sector = new ServerMapSector(parent, p2d);
 		sectors.insert(p2d, sector);
 	}
 
@@ -593,26 +271,7 @@ ServerMapSector* ServerMapSector::deSerialize(
 		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;
 }
@@ -654,29 +313,21 @@ void ClientMapSector::deSerialize(std::istream &is)
 	
 	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
+	// Dummy 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;
+	// Nothing here
+
 }
 #endif // !SERVER