diff options
Diffstat (limited to 'src/mapgen.cpp')
| -rw-r--r-- | src/mapgen.cpp | 48 |
1 files changed, 39 insertions, 9 deletions
diff --git a/src/mapgen.cpp b/src/mapgen.cpp index b5deaae52..64c1886b3 100644 --- a/src/mapgen.cpp +++ b/src/mapgen.cpp @@ -42,7 +42,14 @@ FlagDesc flagdesc_mapgen[] = { {"v6_jungles", MGV6_JUNGLES}, {"v6_biome_blend", MGV6_BIOME_BLEND}, {"flat", MG_FLAT}, - {NULL, 0} + {NULL, 0} +}; + +FlagDesc flagdesc_ore[] = { + {"absheight", OREFLAG_ABSHEIGHT}, + {"scatter_noisedensity", OREFLAG_DENSITY}, + {"claylike_nodeisnt", OREFLAG_NODEISNT}, + {NULL, 0} }; @@ -87,17 +94,28 @@ void Ore::resolveNodeNames(INodeDefManager *ndef) { void OreScatter::generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) { - if (nmin.Y > height_max || nmax.Y < height_min) + int in_range = 0; + + in_range |= (nmin.Y <= height_max && nmax.Y >= height_min); + if (flags & OREFLAG_ABSHEIGHT) + in_range |= (nmin.Y >= -height_max && nmax.Y <= -height_min) << 1; + if (!in_range) return; - + resolveNodeNames(mg->ndef); MapNode n_ore(ore); ManualMapVoxelManipulator *vm = mg->vm; PseudoRandom pr(blockseed); + int ymin, ymax; - int ymin = MYMAX(nmin.Y, height_min); - int ymax = MYMIN(nmax.Y, height_max); + if (in_range & ORE_RANGE_MIRROR) { + ymin = MYMAX(nmin.Y, -height_max); + ymax = MYMIN(nmax.Y, -height_min); + } else { + ymin = MYMAX(nmin.Y, height_min); + ymax = MYMIN(nmax.Y, height_max); + } if (clust_size >= ymax - ymin + 1) return; @@ -131,17 +149,29 @@ void OreScatter::generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) { void OreSheet::generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) { - if (nmin.Y > height_max || nmax.Y < height_min) - return; + int in_range = 0; + in_range |= (nmin.Y <= height_max && nmax.Y >= height_min); + if (flags & OREFLAG_ABSHEIGHT) + in_range |= (nmin.Y >= -height_max && nmax.Y <= -height_min) << 1; + if (!in_range) + return; + resolveNodeNames(mg->ndef); MapNode n_ore(ore); ManualMapVoxelManipulator *vm = mg->vm; PseudoRandom pr(blockseed + 4234); + int ymin, ymax; - int ymin = MYMAX(nmin.Y, height_min); - int ymax = MYMIN(nmax.Y, height_max); + if (in_range & ORE_RANGE_MIRROR) { + ymin = MYMAX(nmin.Y, -height_max); + ymax = MYMIN(nmax.Y, -height_min); + } else { + ymin = MYMAX(nmin.Y, height_min); + ymax = MYMIN(nmax.Y, height_max); + } + if (clust_size >= ymax - ymin + 1) return; |