]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/map.cpp
+ clay and associated items
[dragonfireclient.git] / src / map.cpp
index e8bd7bf6f6dada0fc877655fbb7da0ad5c1c9592..bf9f38c877598d4a39af4975d2cd33fc937b89a3 100644 (file)
@@ -1,6 +1,6 @@
 /*
 Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
@@ -607,13 +607,13 @@ s16 Map::propagateSunlight(v3s16 start,
                }
                else
                {
-                       // Turn mud into grass
+                       /*// Turn mud into grass
                        if(n.d == CONTENT_MUD)
                        {
                                n.d = CONTENT_GRASS;
                                block->setNode(relpos, n);
                                modified_blocks.insert(blockpos, block);
-                       }
+                       }*/
 
                        // Sunlight goes no further
                        break;
@@ -838,9 +838,6 @@ void Map::updateLighting(core::map<v3s16, MapBlock*> & a_blocks,
 }
 
 /*
-       This is called after changing a node from transparent to opaque.
-       The lighting value of the node should be left as-is after changing
-       other values. This sets the lighting value to 0.
 */
 void Map::addNodeAndUpdate(v3s16 p, MapNode n,
                core::map<v3s16, MapBlock*> &modified_blocks)
@@ -877,12 +874,12 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
        catch(InvalidPositionException &e)
        {
        }
-       
+
+#if 1
        /*
-               If the new node doesn't propagate sunlight and there is
-               grass below, change it to mud
+               If the new node is solid and there is grass below, change it to mud
        */
-       if(content_features(n.d).sunlight_propagates == false)
+       if(content_features(n.d).walkable == true)
        {
                try{
                        MapNode bottomnode = getNode(bottompos);
@@ -898,7 +895,9 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
                {
                }
        }
+#endif
 
+#if 0
        /*
                If the new node is mud and it is under sunlight, change it
                to grass
@@ -907,6 +906,7 @@ void Map::addNodeAndUpdate(v3s16 p, MapNode n,
        {
                n.d = CONTENT_GRASS;
        }
+#endif
 
        /*
                Remove all light that has come out of this node
@@ -2045,6 +2045,20 @@ void make_tree(VoxelManipulator &vmanip, v3s16 p0)
        }
 }
 
+void make_cactus(VoxelManipulator &vmanip, v3s16 p0)
+{
+       MapNode cactusnode(CONTENT_CACTUS);
+
+       s16 trunk_h = 3;
+       v3s16 p1 = p0;
+       for(s16 ii=0; ii<trunk_h; ii++)
+       {
+               if(vmanip.m_area.contains(p1))
+                       vmanip.m_data[vmanip.m_area.index(p1)] = cactusnode;
+               p1.Y++;
+       }
+}
+
 /*
        Noise functions. Make sure seed is mangled differently in each one.
 */
@@ -2244,7 +2258,7 @@ void makeChunk(ChunkMakeData *data)
 
 #if 0
        NoiseBuffer noisebuf1;
-       NoiseBuffer noisebuf2;
+       //NoiseBuffer noisebuf2;
        {
                v3f minpos_f(
                        data->sectorpos_bigbase.X*MAP_BLOCKSIZE,
@@ -2260,18 +2274,18 @@ void makeChunk(ChunkMakeData *data)
 
                TimeTaker timer("noisebuf.create");
                
-               /*noisebuf.create(data->seed+25104, 6, 0.60, 200.0,
+               noisebuf1.create(data->seed+25104, 6, 0.60, 200.0,
                                minpos_f.X, minpos_f.Y, minpos_f.Z,
                                maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
-                               samplelength_f.X, samplelength_f.Y, samplelength_f.Z);*/
-               noisebuf1.create(data->seed+25104, 3, 0.60, 25.0,
+                               samplelength_f.X, samplelength_f.Y, samplelength_f.Z);
+               /*noisebuf1.create(data->seed+25104, 3, 0.60, 25.0,
                                minpos_f.X, minpos_f.Y, minpos_f.Z,
                                maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
                                samplelength_f.X, samplelength_f.Y, samplelength_f.Z);
                noisebuf2.create(data->seed+25105, 4, 0.50, 200.0,
                                minpos_f.X, minpos_f.Y, minpos_f.Z,
                                maxpos_f.X, maxpos_f.Y, maxpos_f.Z,
-                               samplelength_f.X, samplelength_f.Y, samplelength_f.Z);
+                               samplelength_f.X, samplelength_f.Y, samplelength_f.Z);*/
        }
 
        for(s16 x=0; x<data->sectorpos_bigbase_size*MAP_BLOCKSIZE; x++)
@@ -2315,12 +2329,12 @@ void makeChunk(ChunkMakeData *data)
                                                0.5+(float)y/100.0,
                                                0.5+(float)p2d.Y/100.0,
                                                data->seed+123, 5, 0.5);*/
-                               //double noiseval = 64.0 * noisebuf1.get(p2d.X, y, p2d.Y);
-                               double noiseval = 30.0 * noisebuf1.get(p2d.X, y, p2d.Y);
-                               noiseval *= MYMAX(0, -0.2 + noisebuf2.get(p2d.X, y, p2d.Y));
+                               double noiseval = 64.0 * noisebuf1.get(p2d.X, y, p2d.Y);
+                               /*double noiseval = 30.0 * noisebuf1.get(p2d.X, y, p2d.Y);
+                               noiseval *= MYMAX(0, -0.2 + noisebuf2.get(p2d.X, y, p2d.Y));*/
                                
-                               if(y < surface_y + noiseval)
-                               //if(noiseval > 0)
+                               //if(y < surface_y + noiseval)
+                               if(noiseval > 0)
                                //if(noiseval > y)
                                        data->vmanip.m_data[i].d = CONTENT_STONE;
 
@@ -2823,7 +2837,8 @@ void makeChunk(ChunkMakeData *data)
                        u32 i = data->vmanip.m_area.index(v3s16(p2d.X, surface_y, p2d.Y));
                        MapNode *n = &data->vmanip.m_data[i];
                        if(n->d == CONTENT_GRASS)
-                               n->d = CONTENT_MUD;
+                               *n = MapNode(CONTENT_MUD);
+                               //n->d = CONTENT_MUD;
                }
 
                /*
@@ -2840,7 +2855,8 @@ void makeChunk(ChunkMakeData *data)
                                        break;
                                        
                                MapNode &n = data->vmanip.m_data[i];
-                               n.d = CONTENT_MUD;
+                               n = MapNode(CONTENT_MUD);
+                               //n.d = CONTENT_MUD;
                                mudcount++;
 
                                data->vmanip.m_area.add_y(em, i, 1);
@@ -3125,6 +3141,13 @@ void makeChunk(ChunkMakeData *data)
                if(have_sand == false)
                        continue;
 
+               // Determine whether to have clay in the sand here
+               double claynoise = noise2d_perlin(
+                               0.5+(float)p2d.X/500, 0.5+(float)p2d.Y/500,
+                               data->seed+4321, 8, 0.95);
+
+               bool have_clay = have_sand && (claynoise > 0.95);
+
                // Find ground level
                s16 surface_y = find_ground_level_clever(data->vmanip, p2d);
                
@@ -3141,7 +3164,10 @@ void makeChunk(ChunkMakeData *data)
                                MapNode *n = &data->vmanip.m_data[i];
                                if(n->d == CONTENT_MUD || n->d == CONTENT_GRASS)
                                {
-                                       n->d = CONTENT_SAND;
+                                       if(have_clay && (surface_y == WATER_LEVEL))
+                                               n->d = CONTENT_CLAY;
+                                       else
+                                               n->d = CONTENT_SAND;
                                }
                                else
                                {
@@ -3205,18 +3231,24 @@ void makeChunk(ChunkMakeData *data)
                                if(y > y_nodes_max - 6)
                                        continue;
                                v3s16 p(x,y,z);
-                               /*
-                                       Trees grow only on mud and grass
-                               */
                                {
                                        u32 i = data->vmanip.m_area.index(v3s16(p));
                                        MapNode *n = &data->vmanip.m_data[i];
-                                       if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS)
+                                       if(n->d != CONTENT_MUD && n->d != CONTENT_GRASS && n->d != CONTENT_SAND)
                                                continue;
+                                       // Trees grow only on mud and grass
+                                       if(n->d == CONTENT_MUD || n->d == CONTENT_GRASS)
+                                       {
+                                               p.Y++;
+                                               make_tree(data->vmanip, p);
+                                       }
+                                       // Cactii grow only on sand
+                                       if(n->d == CONTENT_SAND)
+                                       {
+                                               p.Y++;
+                                               make_cactus(data->vmanip, p);
+                                       }
                                }
-                               p.Y++;
-                               // Make a tree
-                               make_tree(data->vmanip, p);
                        }
                }
                /*u32 tree_max = relative_area / 60;
@@ -3584,7 +3616,18 @@ void ServerMap::initChunkMake(ChunkMakeData &data, v2s16 chunkpos)
                        sectorpos_base - v2s16(1,1) * max_spread_amount_sectors;
        s16 sectorpos_bigbase_size =
                        sectorpos_base_size + 2 * max_spread_amount_sectors;
-                       
+       
+       // Check limits
+       const s16 limit = MAP_GENERATION_LIMIT / MAP_BLOCKSIZE;
+       if(sectorpos_bigbase.X < -limit
+       || sectorpos_bigbase.X + sectorpos_bigbase_size >= limit
+       || sectorpos_bigbase.Y < -limit
+       || sectorpos_bigbase.Y + sectorpos_bigbase_size >= limit)
+       {
+               data.no_op = true;
+               return;
+       }
+
        data.seed = m_seed;
        data.chunkpos = chunkpos;
        data.y_blocks_min = y_blocks_min;
@@ -3828,7 +3871,7 @@ MapChunk* ServerMap::generateChunk(v2s16 chunkpos1,
 
 ServerMapSector * ServerMap::createSector(v2s16 p2d)
 {
-       DSTACK("%s: p2d=(%d,%d)",
+       DSTACKF("%s: p2d=(%d,%d)",
                        __FUNCTION_NAME,
                        p2d.X, p2d.Y);
        
@@ -3980,7 +4023,7 @@ MapBlock * ServerMap::generateBlock(
                core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
 )
 {
-       DSTACK("%s: p=(%d,%d,%d)",
+       DSTACKF("%s: p=(%d,%d,%d)",
                        __FUNCTION_NAME,
                        p.X, p.Y, p.Z);
 
@@ -4616,7 +4659,7 @@ MapBlock * ServerMap::generateBlock(
 
 MapBlock * ServerMap::createBlock(v3s16 p)
 {
-       DSTACK("%s: p=(%d,%d,%d)",
+       DSTACKF("%s: p=(%d,%d,%d)",
                        __FUNCTION_NAME, p.X, p.Y, p.Z);
        
        /*
@@ -4680,7 +4723,7 @@ MapBlock * ServerMap::emergeBlock(
                core::map<v3s16, MapBlock*> &lighting_invalidated_blocks
 )
 {
-       DSTACK("%s: p=(%d,%d,%d), only_from_disk=%d",
+       DSTACKF("%s: p=(%d,%d,%d), only_from_disk=%d",
                        __FUNCTION_NAME,
                        p.X, p.Y, p.Z, only_from_disk);
        
@@ -4873,9 +4916,9 @@ s16 ServerMap::findGroundLevel(v2s16 p2d)
        return (s16)level;
 }
 
-void ServerMap::createDir(std::string path)
+void ServerMap::createDirs(std::string path)
 {
-       if(fs::CreateDir(path) == false)
+       if(fs::CreateAllDirs(path) == false)
        {
                m_dout<<DTIME<<"ServerMap: Failed to create directory "
                                <<"\""<<path<<"\""<<std::endl;
@@ -4883,29 +4926,52 @@ void ServerMap::createDir(std::string path)
        }
 }
 
-std::string ServerMap::getSectorSubDir(v2s16 pos)
+std::string ServerMap::getSectorDir(v2s16 pos, int layout)
 {
        char cc[9];
-       snprintf(cc, 9, "%.4x%.4x",
-                       (unsigned int)pos.X&0xffff,
-                       (unsigned int)pos.Y&0xffff);
+       switch(layout)
+       {
+               case 1:
+                       snprintf(cc, 9, "%.4x%.4x",
+                               (unsigned int)pos.X&0xffff,
+                               (unsigned int)pos.Y&0xffff);
 
-       return std::string(cc);
-}
+                       return m_savedir + "/sectors/" + cc;
+               case 2:
+                       snprintf(cc, 9, "%.3x/%.3x",
+                               (unsigned int)pos.X&0xfff,
+                               (unsigned int)pos.Y&0xfff);
 
-std::string ServerMap::getSectorDir(v2s16 pos)
-{
-       return m_savedir + "/sectors/" + getSectorSubDir(pos);
+                       return m_savedir + "/sectors2/" + cc;
+               default:
+                       assert(false);
+       }
 }
 
 v2s16 ServerMap::getSectorPos(std::string dirname)
 {
-       if(dirname.size() != 8)
-               throw InvalidFilenameException("Invalid sector directory name");
        unsigned int x, y;
-       int r = sscanf(dirname.c_str(), "%4x%4x", &x, &y);
-       if(r != 2)
-               throw InvalidFilenameException("Invalid sector directory name");
+       int r;
+       size_t spos = dirname.rfind('/') + 1;
+       assert(spos != std::string::npos);
+       if(dirname.size() - spos == 8)
+       {
+               // Old layout
+               r = sscanf(dirname.substr(spos).c_str(), "%4x%4x", &x, &y);
+       }
+       else if(dirname.size() - spos == 3)
+       {
+               // New layout
+               r = sscanf(dirname.substr(spos-4).c_str(), "%3x/%3x", &x, &y);
+               // Sign-extend the 12 bit values up to 16 bits...
+               if(x&0x800) x|=0xF000;
+               if(y&0x800) y|=0xF000;
+       }
+       else
+       {
+               assert(false);
+       }
+       assert(r == 2);
        v2s16 pos((s16)x, (s16)y);
        return pos;
 }
@@ -5104,7 +5170,7 @@ void ServerMap::saveMapMeta()
                        <<"seed="<<m_seed<<", chunksize="<<m_chunksize
                        <<std::endl;
 
-       createDir(m_savedir);
+       createDirs(m_savedir);
        
        std::string fullpath = m_savedir + "/map_meta.txt";
        std::ofstream os(fullpath.c_str(), std::ios_base::binary);
@@ -5177,7 +5243,7 @@ void ServerMap::saveChunkMeta()
        dstream<<"INFO: ServerMap::saveChunkMeta(): Saving metadata of "
                        <<count<<" chunks"<<std::endl;
 
-       createDir(m_savedir);
+       createDirs(m_savedir);
        
        std::string fullpath = m_savedir + "/chunk_meta";
        std::ofstream os(fullpath.c_str(), std::ios_base::binary);
@@ -5265,10 +5331,8 @@ void ServerMap::saveSectorMeta(ServerMapSector *sector)
        u8 version = SER_FMT_VER_HIGHEST;
        // Get destination
        v2s16 pos = sector->getPos();
-       createDir(m_savedir);
-       createDir(m_savedir+"/sectors");
        std::string dir = getSectorDir(pos);
-       createDir(dir);
+       createDirs(dir);
        
        std::string fullpath = dir + "/meta";
        std::ofstream o(fullpath.c_str(), std::ios_base::binary);
@@ -5280,22 +5344,21 @@ void ServerMap::saveSectorMeta(ServerMapSector *sector)
        sector->differs_from_disk = false;
 }
 
-MapSector* ServerMap::loadSectorMeta(std::string dirname)
+MapSector* ServerMap::loadSectorMeta(std::string sectordir, bool save_after_load)
 {
        DSTACK(__FUNCTION_NAME);
        // Get destination
-       v2s16 p2d = getSectorPos(dirname);
-       std::string dir = m_savedir + "/sectors/" + dirname;
+       v2s16 p2d = getSectorPos(sectordir);
 
        ServerMapSector *sector = NULL;
-       
-       std::string fullpath = dir + "/meta";
+
+       std::string fullpath = sectordir + "/meta";
        std::ifstream is(fullpath.c_str(), std::ios_base::binary);
        if(is.good() == false)
        {
                // If the directory exists anyway, it probably is in some old
                // format. Just go ahead and create the sector.
-               if(fs::PathExists(dir))
+               if(fs::PathExists(sectordir))
                {
                        dstream<<"ServerMap::loadSectorMeta(): Sector metafile "
                                        <<fullpath<<" doesn't exist but directory does."
@@ -5305,12 +5368,16 @@ MapSector* ServerMap::loadSectorMeta(std::string dirname)
                        m_sectors.insert(p2d, sector);
                }
                else
+               {
                        throw FileNotGoodException("Cannot open sector metafile");
+               }
        }
        else
        {
                sector = ServerMapSector::deSerialize
                                (is, this, p2d, m_sectors);
+               if(save_after_load)
+                       saveSectorMeta(sector);
        }
        
        sector->differs_from_disk = false;
@@ -5321,14 +5388,31 @@ MapSector* ServerMap::loadSectorMeta(std::string dirname)
 bool ServerMap::loadSectorFull(v2s16 p2d)
 {
        DSTACK(__FUNCTION_NAME);
-       std::string sectorsubdir = getSectorSubDir(p2d);
 
        MapSector *sector = NULL;
 
+       // The directory layout we're going to load from.
+       //  1 - original sectors/xxxxzzzz/
+       //  2 - new sectors2/xxx/zzz/
+       //  If we load from anything but the latest structure, we will
+       //  immediately save to the new one, and remove the old.
+       int loadlayout = 1;
+       std::string sectordir1 = getSectorDir(p2d, 1);
+       std::string sectordir;
+       if(fs::PathExists(sectordir1))
+       {
+               sectordir = sectordir1;
+       }
+       else
+       {
+               loadlayout = 2;
+               sectordir = getSectorDir(p2d, 2);
+       }
+
        //JMutexAutoLock lock(m_sector_mutex); // Bulk comment-out
 
        try{
-               sector = loadSectorMeta(sectorsubdir);
+               sector = loadSectorMeta(sectordir, loadlayout != 2);
        }
        catch(InvalidFilenameException &e)
        {
@@ -5347,7 +5431,7 @@ bool ServerMap::loadSectorFull(v2s16 p2d)
                Load blocks
        */
        std::vector<fs::DirListNode> list2 = fs::GetDirListing
-                       (m_savedir+"/sectors/"+sectorsubdir);
+                       (sectordir);
        std::vector<fs::DirListNode>::iterator i2;
        for(i2=list2.begin(); i2!=list2.end(); i2++)
        {
@@ -5355,16 +5439,25 @@ bool ServerMap::loadSectorFull(v2s16 p2d)
                if(i2->dir)
                        continue;
                try{
-                       loadBlock(sectorsubdir, i2->name, sector);
+                       loadBlock(sectordir, i2->name, sector, loadlayout != 2);
                }
                catch(InvalidFilenameException &e)
                {
                        // This catches unknown crap in directory
                }
        }
+
+       if(loadlayout != 2)
+       {
+               dstream<<"Sector converted to new layout - deleting "<<
+                       sectordir1<<std::endl;
+               fs::RecursiveDelete(sectordir1);
+       }
+
        return true;
 }
 
+
 void ServerMap::saveBlock(MapBlock *block)
 {
        DSTACK(__FUNCTION_NAME);
@@ -5384,12 +5477,9 @@ void ServerMap::saveBlock(MapBlock *block)
        // Get destination
        v3s16 p3d = block->getPos();
        v2s16 p2d(p3d.X, p3d.Z);
-       createDir(m_savedir);
-       createDir(m_savedir+"/sectors");
        std::string dir = getSectorDir(p2d);
-       createDir(dir);
+       createDirs(dir);
        
-       // Block file is map/sectors/xxxxxxxx/xxxx
        char cc[5];
        snprintf(cc, 5, "%.4x", (unsigned int)p3d.Y&0xffff);
        std::string fullpath = dir + "/" + cc;
@@ -5403,34 +5493,21 @@ void ServerMap::saveBlock(MapBlock *block)
        */
        o.write((char*)&version, 1);
        
+       // Write basic data
        block->serialize(o, version);
-
-       /*
-               Versions up from 9 have block objects.
-       */
-       if(version >= 9)
-       {
-               block->serializeObjects(o, version);
-       }
        
-       /*
-               Versions up from 15 have static objects.
-       */
-       if(version >= 15)
-       {
-               block->m_static_objects.serialize(o);
-       }
-       
-       // We just wrote it to the disk
+       // Write extra data stored on disk
+       block->serializeDiskExtra(o, version);
+
+       // We just wrote it to the disk so clear modified flag
        block->resetChangedFlag();
 }
 
-void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSector *sector)
+void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSector *sector, bool save_after_load)
 {
        DSTACK(__FUNCTION_NAME);
 
-       // Block file is map/sectors/xxxxxxxx/xxxx
-       std::string fullpath = m_savedir+"/sectors/"+sectordir+"/"+blockfile;
+       std::string fullpath = sectordir+"/"+blockfile;
        try{
 
                std::ifstream is(fullpath.c_str(), std::ios_base::binary);
@@ -5467,34 +5544,21 @@ void ServerMap::loadBlock(std::string sectordir, std::string blockfile, MapSecto
                        created_new = true;
                }
                
-               // deserialize block data
+               // Read basic data
                block->deSerialize(is, version);
-               
-               /*
-                       Versions up from 9 have block objects.
-               */
-               if(version >= 9)
-               {
-                       block->updateObjects(is, version, NULL, 0);
-               }
 
-               /*
-                       Versions up from 15 have static objects.
-               */
-               if(version >= 15)
-               {
-                       block->m_static_objects.deSerialize(is);
-               }
+               // Read extra data stored on disk
+               block->deSerializeDiskExtra(is, version);
                
+               // If it's a new block, insert it to the map
                if(created_new)
                        sector->insertBlock(block);
                
                /*
-                       Convert old formats to new and save
+                       Save blocks loaded in old format in new format
                */
 
-               // Save old format blocks in new format
-               if(version < SER_FMT_VER_HIGHEST)
+               if(version < SER_FMT_VER_HIGHEST || save_after_load)
                {
                        saveBlock(block);
                }