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Add Ore generation flags, implement ore absolute height

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This commit is contained in:
kwolekr 2013-03-31 20:02:03 -04:00
parent 35ed5198fe
commit 8d4b768297
6 changed files with 72 additions and 9 deletions
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48
src/mapgen.cpp
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@ -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;