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-rw-r--r--src/map.cpp309
1 files changed, 266 insertions, 43 deletions
diff --git a/src/map.cpp b/src/map.cpp
index e4992618d..ba958d148 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -1741,10 +1741,10 @@ ServerMap::ServerMap(std::string savedir):
//m_chunksize = 2;
// TODO: Save to and load from a file
- m_seed = (((u64)myrand()<<0)%0x7fff)
- + (((u64)myrand()<<16)%0x7fff)
- + (((u64)myrand()<<32)%0x7fff)
- + (((u64)myrand()<<48)%0x7fff);
+ m_seed = (((u64)(myrand()%0xffff)<<0)
+ + ((u64)(myrand()%0xffff)<<16)
+ + ((u64)(myrand()%0xffff)<<32)
+ + ((u64)(myrand()%0xffff)<<48));
/*
Experimental and debug stuff
@@ -1774,16 +1774,24 @@ ServerMap::ServerMap(std::string savedir):
}
else
{
- // Load master heightmap
- loadMasterHeightmap();
+ // Load map metadata (seed, chunksize)
+ loadMapMeta();
- // Load sector (0,0) and throw and exception on fail
+ // Load chunk metadata
+ loadChunkMeta();
+
+ /*// Load sector (0,0) and throw and exception on fail
if(loadSectorFull(v2s16(0,0)) == false)
- throw LoadError("Failed to load sector (0,0)");
+ throw LoadError("Failed to load sector (0,0)");*/
- dstream<<DTIME<<"Server: Successfully loaded master "
- "heightmap and sector (0,0) from "<<savedir<<
+ /*dstream<<DTIME<<"Server: Successfully loaded chunk "
+ "metadata and sector (0,0) from "<<savedir<<
", assuming valid save directory."
+ <<std::endl;*/
+
+ dstream<<DTIME<<"INFO: Server: Successfully loaded map "
+ <<"and chunk metadata from "<<savedir
+ <<", assuming valid save directory."
<<std::endl;
m_map_saving_enabled = true;
@@ -1798,13 +1806,13 @@ ServerMap::ServerMap(std::string savedir):
}
catch(std::exception &e)
{
- dstream<<DTIME<<"Server: Failed to load map from "<<savedir
+ dstream<<DTIME<<"WARNING: Server: Failed to load map from "<<savedir
<<", exception: "<<e.what()<<std::endl;
- dstream<<DTIME<<"Please remove the map or fix it."<<std::endl;
- dstream<<DTIME<<"WARNING: Map saving will be disabled."<<std::endl;
+ dstream<<"Please remove the map or fix it."<<std::endl;
+ dstream<<"WARNING: Map saving will be disabled."<<std::endl;
}
- dstream<<DTIME<<"Initializing new map."<<std::endl;
+ dstream<<DTIME<<"INFO: Initializing new map."<<std::endl;
// Create zero sector
emergeSector(v2s16(0,0));
@@ -2062,6 +2070,8 @@ double base_rock_level_2d(u64 seed, v2s16 p)
return h;
}
+#define VMANIP_FLAG_DUNGEON VOXELFLAG_CHECKED1
+
/*
This is the main map generation method
*/
@@ -2195,6 +2205,9 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
vmanip.initialEmerge(bigarea_blocks_min, bigarea_blocks_max);
}
+ // Clear all flags
+ vmanip.clearFlag(0xff);
+
TimeTaker timer_generate("generateChunkRaw() generate");
// Maximum height of the stone surface and obstacles.
@@ -2414,7 +2427,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
/*
Make dungeons
*/
- u32 dungeons_count = relative_volume / 600000;
+ u32 dungeons_count = relative_volume / 400000;
u32 bruises_count = relative_volume * stone_surface_max_y / 40000000;
if(stone_surface_max_y < WATER_LEVEL)
bruises_count = 0;
@@ -2424,7 +2437,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
{
s16 min_tunnel_diameter = 2;
s16 max_tunnel_diameter = 6;
- u16 tunnel_routepoints = 15;
+ u16 tunnel_routepoints = 25;
bool bruise_surface = (jj < bruises_count);
@@ -2464,14 +2477,14 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
of -= v3s16(1,0,1) * more;
s16 route_y_min = 0;
- //s16 route_y_max = ar.Y-1;
- s16 route_y_max = -of.Y + stone_surface_max_y + max_tunnel_diameter/2;
- // If dungeons
+ // Allow half a diameter + 7 over stone surface
+ s16 route_y_max = -of.Y + stone_surface_max_y + max_tunnel_diameter/2 + 7;
+
+ /*// If dungeons, don't go through surface too often
if(bruise_surface == false)
- {
- // Don't go through surface too often
- route_y_max -= myrand_range(0, max_tunnel_diameter*2);
- }
+ route_y_max -= myrand_range(0, max_tunnel_diameter*2);*/
+
+ // Limit maximum to area
route_y_max = rangelim(route_y_max, 0, ar.Y-1);
if(bruise_surface)
@@ -2489,10 +2502,24 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
/*dstream<<"route_y_min = "<<route_y_min
<<", route_y_max = "<<route_y_max<<std::endl;*/
+ s16 route_start_y_min = route_y_min;
+ s16 route_start_y_max = route_y_max;
+
+ // Start every 2nd dungeon from surface
+ bool coming_from_surface = (jj % 2 == 0 && bruise_surface == false);
+
+ if(coming_from_surface)
+ {
+ route_start_y_min = -of.Y + stone_surface_max_y + 5;
+ }
+
+ route_start_y_min = rangelim(route_start_y_min, 0, ar.Y-1);
+ route_start_y_max = rangelim(route_start_y_max, 0, ar.Y-1);
+
// Randomize starting position
v3f orp(
(float)(myrand()%ar.X)+0.5,
- (float)(myrand_range(route_y_min, route_y_max))+0.5,
+ (float)(myrand_range(route_start_y_min, route_start_y_max))+0.5,
(float)(myrand()%ar.Z)+0.5
);
@@ -2509,18 +2536,35 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
s16 max_d = max_tunnel_diameter;
s16 rs = myrand_range(min_d, max_d);
- v3s16 maxlen(15, 5, 15);
-
+ v3s16 maxlen;
if(bruise_surface)
{
maxlen = v3s16(rs*7,rs*7,rs*7);
}
+ else
+ {
+ maxlen = v3s16(15, myrand_range(1, 20), 15);
+ }
+
+ v3f vec;
+
+ if(coming_from_surface && j < 3)
+ {
+ vec = v3f(
+ (float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
+ (float)(myrand()%(maxlen.Y*1))-(float)maxlen.Y,
+ (float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
+ );
+ }
+ else
+ {
+ vec = v3f(
+ (float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
+ (float)(myrand()%(maxlen.Y*2))-(float)maxlen.Y,
+ (float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
+ );
+ }
- v3f vec(
- (float)(myrand()%(maxlen.X*2))-(float)maxlen.X,
- (float)(myrand()%(maxlen.Y*2))-(float)maxlen.Y,
- (float)(myrand()%(maxlen.Z*2))-(float)maxlen.Z
- );
v3f rp = orp + vec;
if(rp.X < 0)
rp.X = 0;
@@ -2553,7 +2597,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
//s16 si2 = rs - MYMAX(0, maxabsxz-rs/4);
s16 si2 = rs - MYMAX(0, maxabsxz-rs/7);
//s16 si2 = rs - abs(x0);
- for(s16 y0=-si2+1+1; y0<=si2-1; y0++)
+ for(s16 y0=-si2+1+2; y0<=si2-1; y0++)
{
s16 z = cp.Z + z0;
s16 y = cp.Y + y0;
@@ -2580,6 +2624,12 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
// water afterwards
u32 i = vmanip.m_area.index(p);
vmanip.m_data[i] = airnode;
+
+ if(bruise_surface == false)
+ {
+ // Set tunnel flag
+ vmanip.m_flags[i] |= VMANIP_FLAG_DUNGEON;
+ }
}
}
}
@@ -3000,13 +3050,17 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
break;
}
- n->d = CONTENT_WATERSOURCE;
- n->setLight(LIGHTBANK_DAY, light);
+ // Make water only not in dungeons
+ if(!(vmanip.m_flags[i]&VMANIP_FLAG_DUNGEON))
+ {
+ n->d = CONTENT_WATERSOURCE;
+ //n->setLight(LIGHTBANK_DAY, light);
- // Add to transforming liquid queue (in case it'd
- // start flowing)
- v3s16 p = v3s16(p2d.X, y, p2d.Y);
- m_transforming_liquid.push_back(p);
+ // Add to transforming liquid queue (in case it'd
+ // start flowing)
+ v3s16 p = v3s16(p2d.X, y, p2d.Y);
+ m_transforming_liquid.push_back(p);
+ }
// Next one
vmanip.m_area.add_y(em, i, -1);
@@ -3519,6 +3573,7 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
//TimeTaker timer("generateChunkRaw() blitBackAll");
vmanip.blitBackAll(&changed_blocks);
}
+
/*
Update day/night difference cache of the MapBlocks
*/
@@ -3553,14 +3608,22 @@ MapChunk* ServerMap::generateChunkRaw(v2s16 chunkpos,
}
/*
- Set central chunk non-volatile and return it
+ Set central chunk non-volatile
*/
MapChunk *chunk = getChunk(chunkpos);
assert(chunk);
// Set non-volatile
//chunk->setIsVolatile(false);
chunk->setGenLevel(GENERATED_FULLY);
- // Return it
+
+ /*
+ Save changed parts of map
+ */
+ save(true);
+
+ /*
+ Return central chunk (which was requested)
+ */
return chunk;
}
@@ -4543,7 +4606,8 @@ void ServerMap::save(bool only_changed)
dstream<<DTIME<<"ServerMap: Saving whole map, this can take time."
<<std::endl;
- saveMasterHeightmap();
+ saveMapMeta();
+ saveChunkMeta();
u32 sector_meta_count = 0;
u32 block_count = 0;
@@ -4601,8 +4665,9 @@ void ServerMap::loadAll()
{
DSTACK(__FUNCTION_NAME);
dstream<<DTIME<<"ServerMap: Loading map..."<<std::endl;
-
- loadMasterHeightmap();
+
+ loadMapMeta();
+ loadChunkMeta();
std::vector<fs::DirListNode> list = fs::GetDirListing(m_savedir+"/sectors/");
@@ -4657,6 +4722,7 @@ void ServerMap::loadAll()
dstream<<DTIME<<"ServerMap: Map loaded."<<std::endl;
}
+#if 0
void ServerMap::saveMasterHeightmap()
{
DSTACK(__FUNCTION_NAME);
@@ -4685,6 +4751,163 @@ void ServerMap::loadMasterHeightmap()
if(is.good() == false)
throw FileNotGoodException("Cannot open master heightmap");*/
}
+#endif
+
+void ServerMap::saveMapMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"INFO: ServerMap::saveMapMeta(): "
+ <<"seed="<<m_seed<<", chunksize="<<m_chunksize
+ <<std::endl;
+
+ createDir(m_savedir);
+
+ std::string fullpath = m_savedir + "/meta.txt";
+ std::ofstream os(fullpath.c_str(), std::ios_base::binary);
+ if(os.good() == false)
+ {
+ dstream<<"ERROR: ServerMap::saveMapMeta(): "
+ <<"could not open"<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot open chunk metadata");
+ }
+
+ Settings params;
+ params.setU64("seed", m_seed);
+ params.setS32("chunksize", m_chunksize);
+
+ params.writeLines(os);
+
+ os<<"[end_of_params]\n";
+
+}
+
+void ServerMap::loadMapMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"INFO: ServerMap::loadMapMeta(): Loading chunk metadata"
+ <<std::endl;
+
+ std::string fullpath = m_savedir + "/meta.txt";
+ std::ifstream is(fullpath.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"ERROR: ServerMap::loadMapMeta(): "
+ <<"could not open"<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot open chunk metadata");
+ }
+
+ Settings params;
+
+ for(;;)
+ {
+ if(is.eof())
+ throw SerializationError
+ ("ServerMap::loadMapMeta(): [end_of_params] not found");
+ std::string line;
+ std::getline(is, line);
+ std::string trimmedline = trim(line);
+ if(trimmedline == "[end_of_params]")
+ break;
+ params.parseConfigLine(line);
+ }
+
+ m_seed = params.getU64("seed");
+ m_chunksize = params.getS32("chunksize");
+
+ dstream<<"INFO: ServerMap::loadMapMeta(): "
+ <<"seed="<<m_seed<<", chunksize="<<m_chunksize
+ <<std::endl;
+}
+
+void ServerMap::saveChunkMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ u32 count = m_chunks.size();
+
+ dstream<<"INFO: ServerMap::saveChunkMeta(): Saving metadata of "
+ <<count<<" chunks"<<std::endl;
+
+ createDir(m_savedir);
+
+ std::string fullpath = m_savedir + "/chunk_meta";
+ std::ofstream os(fullpath.c_str(), std::ios_base::binary);
+ if(os.good() == false)
+ {
+ dstream<<"ERROR: ServerMap::saveChunkMeta(): "
+ <<"could not open"<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot open chunk metadata");
+ }
+
+ u8 version = 0;
+
+ // Write version
+ os.write((char*)&version, 1);
+
+ u8 buf[4];
+
+ // Write count
+ writeU32(buf, count);
+ os.write((char*)buf, 4);
+
+ for(core::map<v2s16, MapChunk*>::Iterator
+ i = m_chunks.getIterator();
+ i.atEnd()==false; i++)
+ {
+ v2s16 p = i.getNode()->getKey();
+ MapChunk *chunk = i.getNode()->getValue();
+ // Write position
+ writeV2S16(buf, p);
+ os.write((char*)buf, 4);
+ // Write chunk data
+ chunk->serialize(os, version);
+ }
+}
+
+void ServerMap::loadChunkMeta()
+{
+ DSTACK(__FUNCTION_NAME);
+
+ dstream<<"INFO: ServerMap::loadChunkMeta(): Loading chunk metadata"
+ <<std::endl;
+
+ std::string fullpath = m_savedir + "/chunk_meta";
+ std::ifstream is(fullpath.c_str(), std::ios_base::binary);
+ if(is.good() == false)
+ {
+ dstream<<"ERROR: ServerMap::loadChunkMeta(): "
+ <<"could not open"<<fullpath<<std::endl;
+ throw FileNotGoodException("Cannot open chunk metadata");
+ }
+
+ u8 version = 0;
+
+ // Read version
+ is.read((char*)&version, 1);
+
+ u8 buf[4];
+
+ // Read count
+ is.read((char*)buf, 4);
+ u32 count = readU32(buf);
+
+ dstream<<"INFO: ServerMap::loadChunkMeta(): Loading metadata of "
+ <<count<<" chunks"<<std::endl;
+
+ for(u32 i=0; i<count; i++)
+ {
+ v2s16 p;
+ MapChunk *chunk = new MapChunk();
+ // Read position
+ is.read((char*)buf, 4);
+ p = readV2S16(buf);
+ // Read chunk data
+ chunk->deSerialize(is, version);
+ m_chunks.insert(p, chunk);
+ }
+}
void ServerMap::saveSectorMeta(ServerMapSector *sector)
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 11:09:46 +0000