-///////////////////////////////////////////////////////////////////////////////
-
-
-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;
- }
-}
-
-
-Ore::~Ore() {
- delete np;
- delete noise;
-}
-
-
-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.push_back(CONTENT_AIR);
- return;
- }
- }
-
- for (size_t i=0; i != wherein_names.size(); i++) {
- std::string name = wherein_names[i];
- content_t c = ndef->getId(name);
- if (c != CONTENT_IGNORE) {
- wherein.push_back(c);
- }
- }
-}
-
-
-void Ore::placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) {
- 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;
-
- int ymin, ymax;
- 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;
-
- nmin.Y = ymin;
- nmax.Y = ymax;
- generate(mg->vm, mg->seed, blockseed, nmin, nmax);
-}
-
-
-void OreScatter::generate(ManualMapVoxelManipulator *vm, int seed,
- u32 blockseed, v3s16 nmin, v3s16 nmax) {
- PseudoRandom pr(blockseed);
- MapNode n_ore(ore, 0, ore_param2);
-
- 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(nmin.Y, nmax.Y - csize + 1);
- int z0 = pr.range(nmin.Z, nmax.Z - csize + 1);
-
- if (np && (NoisePerlin3D(np, x0, y0, z0, 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);
- for (size_t ii = 0; ii < wherein.size(); ii++)
- if (vm->m_data[i].getContent() == wherein[ii])
- vm->m_data[i] = n_ore;
- }
- }
-}
-
-
-void OreSheet::generate(ManualMapVoxelManipulator *vm, int seed,
- u32 blockseed, v3s16 nmin, v3s16 nmax) {
- PseudoRandom pr(blockseed + 4234);
- MapNode n_ore(ore, 0, ore_param2);
-
- int max_height = clust_size;
- int y_start = pr.range(nmin.Y, nmax.Y - 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 = seed + y_start;
- noise->perlinMap2D(nmin.X, nmin.Z);
-
- int index = 0;
- for (int z = nmin.Z; z <= nmax.Z; z++)
- for (int x = nmin.X; x <= nmax.X; x++) {
- float noiseval = noise->result[index++];
- if (noiseval < nthresh)
- continue;
-
- int height = max_height * (1. / pr.range(1, 3));
- int y0 = y_start + np->scale * noiseval; //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;
-
- for (size_t ii = 0; ii < wherein.size(); ii++)
- if (vm->m_data[i].getContent() == wherein[ii])
- vm->m_data[i] = n_ore;
- }
- }
-}
-
-
-///////////////////////////////////////////////////////////////////////////////
-
-
-Decoration *createDecoration(DecorationType type) {
- switch (type) {
- case DECO_SIMPLE:
- return new DecoSimple;
- case DECO_SCHEMATIC:
- return new DecoSchematic;
- //case DECO_LSYSTEM:
- // return new DecoLSystem;
- default:
- return NULL;
- }
-}
-
-
-Decoration::Decoration() {
- mapseed = 0;
- np = NULL;
- fill_ratio = 0;
- sidelen = 1;
-}
-
-
-Decoration::~Decoration() {
- delete np;
-}
-
-
-void Decoration::resolveNodeNames(INodeDefManager *ndef) {
- this->ndef = ndef;
-
- if (c_place_on == CONTENT_IGNORE)
- c_place_on = ndef->getId(place_on_name);
-}
-
-
-void Decoration::placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) {
- PseudoRandom ps(blockseed + 53);
- int carea_size = nmax.X - nmin.X + 1;
-
- // Divide area into parts
- if (carea_size % sidelen) {
- errorstream << "Decoration::placeDeco: chunk size is not divisible by "
- "sidelen; setting sidelen to " << carea_size << std::endl;
- sidelen = carea_size;
- }
-
- s16 divlen = carea_size / sidelen;
- int area = sidelen * sidelen;
-
- for (s16 z0 = 0; z0 < divlen; z0++)
- for (s16 x0 = 0; x0 < divlen; x0++) {
- v2s16 p2d_center( // Center position of part of division
- nmin.X + sidelen / 2 + sidelen * x0,
- nmin.Z + sidelen / 2 + sidelen * z0
- );
- v2s16 p2d_min( // Minimum edge of part of division
- nmin.X + sidelen * x0,
- nmin.Z + sidelen * z0
- );
- v2s16 p2d_max( // Maximum edge of part of division
- nmin.X + sidelen + sidelen * x0 - 1,
- nmin.Z + sidelen + sidelen * z0 - 1
- );
-
- // Amount of decorations
- float nval = np ?
- NoisePerlin2D(np, p2d_center.X, p2d_center.Y, mapseed) :
- fill_ratio;
- u32 deco_count = area * MYMAX(nval, 0.f);
-
- for (u32 i = 0; i < deco_count; i++) {
- s16 x = ps.range(p2d_min.X, p2d_max.X);
- s16 z = ps.range(p2d_min.Y, p2d_max.Y);
-
- int mapindex = carea_size * (z - nmin.Z) + (x - nmin.X);
-
- s16 y = mg->heightmap ?
- mg->heightmap[mapindex] :
- mg->findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y);
-
- if (y < nmin.Y || y > nmax.Y)
- continue;
-
- int height = getHeight();
- int max_y = nmax.Y;// + MAP_BLOCKSIZE - 1;
- if (y + 1 + height > max_y) {
- continue;
-#if 0
- printf("Decoration at (%d %d %d) cut off\n", x, y, z);
- //add to queue
- JMutexAutoLock cutofflock(cutoff_mutex);
- cutoffs.push_back(CutoffData(x, y, z, height));
-#endif
- }
-
- if (mg->biomemap) {
- std::set<u8>::iterator iter;
-
- if (biomes.size()) {
- iter = biomes.find(mg->biomemap[mapindex]);
- if (iter == biomes.end())
- continue;
- }
- }
-
- generate(mg, &ps, max_y, v3s16(x, y, z));
- }
- }
-}
-
-
-#if 0
-void Decoration::placeCutoffs(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) {
- PseudoRandom pr(blockseed + 53);
- std::vector<CutoffData> handled_cutoffs;
-
- // Copy over the cutoffs we're interested in so we don't needlessly hold a lock
- {
- JMutexAutoLock cutofflock(cutoff_mutex);
- for (std::list<CutoffData>::iterator i = cutoffs.begin();
- i != cutoffs.end(); ++i) {
- CutoffData cutoff = *i;
- v3s16 p = cutoff.p;
- s16 height = cutoff.height;
- if (p.X < nmin.X || p.X > nmax.X ||
- p.Z < nmin.Z || p.Z > nmax.Z)
- continue;
- if (p.Y + height < nmin.Y || p.Y > nmax.Y)
- continue;
-
- handled_cutoffs.push_back(cutoff);
- }
- }
-
- // Generate the cutoffs
- for (size_t i = 0; i != handled_cutoffs.size(); i++) {
- v3s16 p = handled_cutoffs[i].p;
- s16 height = handled_cutoffs[i].height;
-
- if (p.Y + height > nmax.Y) {
- //printf("Decoration at (%d %d %d) cut off again!\n", p.X, p.Y, p.Z);
- cuttoffs.push_back(v3s16(p.X, p.Y, p.Z));
- }
-
- generate(mg, &pr, nmax.Y, nmin.Y - p.Y, v3s16(p.X, nmin.Y, p.Z));
- }
-
- // Remove cutoffs that were handled from the cutoff list
- {
- JMutexAutoLock cutofflock(cutoff_mutex);
- for (std::list<CutoffData>::iterator i = cutoffs.begin();
- i != cutoffs.end(); ++i) {
-
- for (size_t j = 0; j != handled_cutoffs.size(); j++) {
- CutoffData coff = *i;
- if (coff.p == handled_cutoffs[j].p)
- i = cutoffs.erase(i);
- }
- }
- }
-}
-#endif
-
-
-///////////////////////////////////////////////////////////////////////////////
-
-
-void DecoSimple::resolveNodeNames(INodeDefManager *ndef) {
- Decoration::resolveNodeNames(ndef);
-
- if (c_deco == CONTENT_IGNORE && !decolist_names.size()) {
- c_deco = ndef->getId(deco_name);
- if (c_deco == CONTENT_IGNORE) {
- errorstream << "DecoSimple::resolveNodeNames: decoration node '"
- << deco_name << "' not defined" << std::endl;
- c_deco = CONTENT_AIR;
- }
- }
- if (c_spawnby == CONTENT_IGNORE) {
- c_spawnby = ndef->getId(spawnby_name);
- if (c_spawnby == CONTENT_IGNORE) {
- errorstream << "DecoSimple::resolveNodeNames: spawnby node '"
- << spawnby_name << "' not defined" << std::endl;
- nspawnby = -1;
- c_spawnby = CONTENT_AIR;
- }
- }
-
- if (c_decolist.size())
- return;
-
- for (size_t i = 0; i != decolist_names.size(); i++) {
- content_t c = ndef->getId(decolist_names[i]);
- if (c == CONTENT_IGNORE) {
- errorstream << "DecoSimple::resolveNodeNames: decolist node '"
- << decolist_names[i] << "' not defined" << std::endl;
- c = CONTENT_AIR;
- }
- c_decolist.push_back(c);
- }
-}
-
-
-void DecoSimple::generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p) {
- ManualMapVoxelManipulator *vm = mg->vm;
-
- u32 vi = vm->m_area.index(p);
- if (vm->m_data[vi].getContent() != c_place_on &&
- c_place_on != CONTENT_IGNORE)
- return;
-
- if (nspawnby != -1) {
- int nneighs = 0;
- v3s16 dirs[8] = { // a Moore neighborhood
- v3s16( 0, 0, 1),
- v3s16( 0, 0, -1),
- v3s16( 1, 0, 0),
- v3s16(-1, 0, 0),
- v3s16( 1, 0, 1),
- v3s16(-1, 0, 1),
- v3s16(-1, 0, -1),
- v3s16( 1, 0, -1)
- };
-
- for (int i = 0; i != 8; i++) {
- u32 index = vm->m_area.index(p + dirs[i]);
- if (vm->m_area.contains(index) &&
- vm->m_data[index].getContent() == c_spawnby)
- nneighs++;
- }
-
- if (nneighs < nspawnby)
- return;
- }
-
- size_t ndecos = c_decolist.size();
- content_t c_place = ndecos ? c_decolist[pr->range(0, ndecos - 1)] : c_deco;
-
- s16 height = (deco_height_max > 0) ?
- pr->range(deco_height, deco_height_max) : deco_height;
-
- height = MYMIN(height, max_y - p.Y);
-
- v3s16 em = vm->m_area.getExtent();
- for (int i = 0; i < height; i++) {
- vm->m_area.add_y(em, vi, 1);
-
- content_t c = vm->m_data[vi].getContent();
- if (c != CONTENT_AIR && c != CONTENT_IGNORE)
- break;
-
- vm->m_data[vi] = MapNode(c_place);
- }
-}
-
-
-int DecoSimple::getHeight() {
- return (deco_height_max > 0) ? deco_height_max : deco_height;
-}
-
-
-std::string DecoSimple::getName() {
- return deco_name;
-}
-