diff options
Diffstat (limited to 'src/mapgen.cpp')
| -rw-r--r-- | src/mapgen.cpp | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/src/mapgen.cpp b/src/mapgen.cpp index 61718d910..ceef9c610 100644 --- a/src/mapgen.cpp +++ b/src/mapgen.cpp @@ -1345,8 +1345,7 @@ void make_block(BlockMakeData *data) /* Create a block-specific seed */ - /*u32 blockseed = (u32)(data->seed%0x100000000ULL) + full_node_min.Z*38134234 - + full_node_min.Y*42123 + full_node_min.X*23;*/ + u32 blockseed = get_blockseed(data->seed, full_node_min); /* Cache some ground type values for speed @@ -1444,6 +1443,42 @@ void make_block(BlockMakeData *data) #endif }//timer1 + + /* + Add blobs of dirt and gravel underground + */ + { + PseudoRandom pr(blockseed+983); + for(int i=0; i<volume_nodes/12/12/12; i++){ + v3s16 size( + pr.range(1, 6), + pr.range(1, 6), + pr.range(1, 6) + ); + v3s16 p0( + pr.range(node_min.X, node_max.X)-size.X/2, + pr.range(node_min.Y, node_max.Y)-size.Y/2, + pr.range(node_min.Z, node_max.Z)-size.Z/2 + ); + MapNode n1; + if(p0.Y > -32 && pr.range(0,1) == 0) + n1 = MapNode(c_dirt); + else + n1 = MapNode(c_gravel); + for(int x1=0; x1<size.X; x1++) + for(int y1=0; y1<size.Y; y1++) + for(int z1=0; z1<size.Z; z1++) + { + v3s16 p = p0 + v3s16(x1,y1,z1); + u32 i = vmanip.m_area.index(p); + if(!vmanip.m_area.contains(i)) + continue; + if(vmanip.m_data[i].getContent() != c_stone) + continue; + vmanip.m_data[i] = n1; + } + } + } // Limit dirt flow area by 1 because mud is flown into neighbors. assert(central_area_size.X == central_area_size.Z); |