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| author | paramat <mat.gregory@virginmedia.com> | 2015-11-13 07:16:15 +0000 |
|---|---|---|
| committer | paramat <mat.gregory@virginmedia.com> | 2015-11-14 07:54:03 +0000 |
| commit | fc89f467009822b5294967e3e58dbb2fd792bc44 (patch) | |
| tree | 21a4404ee6807d64da16087d5d3240d3933e1f45 /src | |
| parent | 987d6a82f639126d5d8833739499150da286bdda (diff) | |
| download | minetest-fc89f467009822b5294967e3e58dbb2fd792bc44.tar.gz minetest-fc89f467009822b5294967e3e58dbb2fd792bc44.tar.bz2 minetest-fc89f467009822b5294967e3e58dbb2fd792bc44.zip | |
Decoration API: Fix missing low density decorations
For a decoration count between 0 and 1 calculate a chance for 1
Diffstat (limited to 'src')
| -rw-r--r-- | src/mg_decoration.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mg_decoration.cpp b/src/mg_decoration.cpp index 1e50ba0de..5959af259 100644 --- a/src/mg_decoration.cpp +++ b/src/mg_decoration.cpp @@ -117,7 +117,15 @@ size_t Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) float nval = (flags & DECO_USE_NOISE) ? NoisePerlin2D(&np, p2d_center.X, p2d_center.Y, mapseed) : fill_ratio; - u32 deco_count = area * MYMAX(nval, 0.f); + u32 deco_count = 0; + float deco_count_f = (float)area * nval; + if (deco_count_f >= 1.f) { + deco_count = deco_count_f; + } else if (deco_count_f > 0.f) { + // For low density decorations calculate a chance for 1 decoration + if (ps.range(1000) <= deco_count_f * 1000.f) + deco_count = 1; + } for (u32 i = 0; i < deco_count; i++) { s16 x = ps.range(p2d_min.X, p2d_max.X); |