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-rw-r--r--src/mapgen.cpp39
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);