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Add Ore infrastructure and l_register_ore()

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This commit is contained in:
kwolekr 2013-03-24 01:43:38 -04:00
parent f70378f7f5
commit 57cbb8bfd8
10 changed files with 248 additions and 17 deletions
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134
src/mapgen.cpp
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@ -49,6 +49,140 @@ FlagDesc flagdesc_mapgen[] = {
///////////////////////////////////////////////////////////////////////////////
Ore *createOre(OreType type) {
switch (type) {
case ORE_SCATTER:
return new OreScatter;
case ORE_SHEET:
return new OreSheet;
//case ORE_CLAYLIKE: //TODO: implement this!
// return new OreClaylike;
default:
return NULL;
}
}
void Ore::resolveNodeNames(INodeDefManager *ndef) {
if (ore == CONTENT_IGNORE) {
ore = ndef->getId(ore_name);
if (ore == CONTENT_IGNORE) {
errorstream << "Ore::resolveNodeNames: ore node '"
<< ore_name << "' not defined";
ore = CONTENT_AIR;
wherein = CONTENT_AIR;
}
}
if (wherein == CONTENT_IGNORE) {
wherein = ndef->getId(wherein_name);
if (wherein == CONTENT_IGNORE) {
errorstream << "Ore::resolveNodeNames: wherein node '"
<< wherein_name << "' not defined";
ore = CONTENT_AIR;
wherein = CONTENT_AIR;
}
}
}
void OreScatter::generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) {
if (nmin.Y > height_max || nmax.Y < height_min)
return;
resolveNodeNames(mg->ndef);
MapNode n_ore(ore);
ManualMapVoxelManipulator *vm = mg->vm;
PseudoRandom pr(blockseed);
int ymin = MYMAX(nmin.Y, height_min);
int ymax = MYMIN(nmax.Y, height_max);
if (clust_size >= ymax - ymin + 1)
return;
int volume = (nmax.X - nmin.X + 1) *
(nmax.Y - nmin.Y + 1) *
(nmax.Z - nmin.Z + 1);
int csize = clust_size;
int orechance = (csize * csize * csize) / clust_num_ores;
int nclusters = volume / clust_scarcity;
for (int i = 0; i != nclusters; i++) {
int x0 = pr.range(nmin.X, nmax.X - csize + 1);
int y0 = pr.range(ymin, ymax - csize + 1);
int z0 = pr.range(nmin.Z, nmax.Z - csize + 1);
if (np && (NoisePerlin3D(np, x0, y0, z0, mg->seed) < nthresh))
continue;
for (int z1 = 0; z1 != csize; z1++)
for (int y1 = 0; y1 != csize; y1++)
for (int x1 = 0; x1 != csize; x1++) {
if (pr.range(1, orechance) != 1)
continue;
u32 i = vm->m_area.index(x0 + x1, y0 + y1, z0 + z1);
if (vm->m_data[i].getContent() == wherein)
vm->m_data[i] = n_ore;
}
}
}
void OreSheet::generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) {
if (nmin.Y > height_max || nmax.Y < height_min)
return;
resolveNodeNames(mg->ndef);
MapNode n_ore(ore);
ManualMapVoxelManipulator *vm = mg->vm;
PseudoRandom pr(blockseed + 4234);
int ymin = MYMAX(nmin.Y, height_min);
int ymax = MYMIN(nmax.Y, height_max);
int x0 = nmin.X;
int z0 = nmin.Z;
int x1 = nmax.X;
int z1 = nmax.Z;
int max_height = clust_size;
int y_start = pr.range(ymin, ymax - max_height);
if (!noise) {
int sx = nmax.X - nmin.X + 1;
int sz = nmax.Z - nmin.Z + 1;
noise = new Noise(np, 0, sx, sz);
}
noise->seed = mg->seed + y_start;
noise->perlinMap2D(x0, z0);
int index = 0;
for (int z = z0; z != z1; z++)
for (int x = x0; x != x1; x++) {
if (noise->result[index++] < nthresh)
continue;
int height = max_height * (1. / pr.range(1, 3));
int y0 = y_start + pr.range(1, 3) - 1;
int y1 = y0 + height;
for (int y = y0; y != y1; y++) {
u32 i = vm->m_area.index(x, y, z);
if (!vm->m_area.contains(i))
continue;
if (vm->m_data[i].getContent() == wherein)
vm->m_data[i] = n_ore;
}
}
}
void Mapgen::updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax) {
bool isliquid, wasliquid;
v3s16 em = vm->m_area.getExtent();