/* Minetest Copyright (C) 2010-2013 celeron55, Perttu Ahola This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "mapgen.h" #include "voxel.h" #include "noise.h" #include "biome.h" #include "mapblock.h" #include "mapnode.h" #include "map.h" //#include "serverobject.h" #include "content_sao.h" #include "nodedef.h" #include "content_mapnode.h" // For content_mapnode_get_new_name #include "voxelalgorithms.h" #include "profiler.h" #include "settings.h" // For g_settings #include "main.h" // For g_profiler #include "treegen.h" #include "mapgen_v6.h" #include "mapgen_v7.h" #include "serialization.h" #include "util/serialize.h" #include "filesys.h" FlagDesc flagdesc_mapgen[] = { {"trees", MG_TREES}, {"caves", MG_CAVES}, {"dungeons", MG_DUNGEONS}, {"v6_jungles", MGV6_JUNGLES}, {"v6_biome_blend", MGV6_BIOME_BLEND}, {"flat", MG_FLAT}, {"nolight", MG_NOLIGHT}, {NULL, 0} }; FlagDesc flagdesc_ore[] = { {"absheight", OREFLAG_ABSHEIGHT}, {"scatter_noisedensity", OREFLAG_DENSITY}, {"claylike_nodeisnt", OREFLAG_NODEISNT}, {NULL, 0} }; FlagDesc flagdesc_deco_schematic[] = { {"place_center_x", DECO_PLACE_CENTER_X}, {"place_center_y", DECO_PLACE_CENTER_Y}, {"place_center_z", DECO_PLACE_CENTER_Z}, {NULL, 0} }; FlagDesc flagdesc_gennotify[] = { {"dungeon", 1 << GENNOTIFY_DUNGEON}, {"temple", 1 << GENNOTIFY_TEMPLE}, {"cave_begin", 1 << GENNOTIFY_CAVE_BEGIN}, {"cave_end", 1 << GENNOTIFY_CAVE_END}, {"large_cave_begin", 1 << GENNOTIFY_LARGECAVE_BEGIN}, {"large_cave_end", 1 << GENNOTIFY_LARGECAVE_END}, {NULL, 0} }; /////////////////////////////////////////////////////////////////////////////// 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::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 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::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::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; } /////////////////////////////////////////////////////////////////////////////// DecoSchematic::DecoSchematic() { node_names = NULL; schematic = NULL; slice_probs = NULL; flags = 0; size = v3s16(0, 0, 0); } DecoSchematic::~DecoSchematic() { delete node_names; delete []schematic; delete []slice_probs; } void DecoSchematic::resolveNodeNames(INodeDefManager *ndef) { Decoration::resolveNodeNames(ndef); if (filename.empty()) return; if (!node_names) { errorstream << "DecoSchematic::resolveNodeNames: node name list was " "not created" << std::endl; return; } for (size_t i = 0; i != node_names->size(); i++) { std::string name = node_names->at(i); std::map::iterator it; it = replacements.find(name); if (it != replacements.end()) name = it->second; content_t c = ndef->getId(name); if (c == CONTENT_IGNORE) { errorstream << "DecoSchematic::resolveNodeNames: node '" << name << "' not defined" << std::endl; c = CONTENT_AIR; } c_nodes.push_back(c); } for (int i = 0; i != size.X * size.Y * size.Z; i++) schematic[i].setContent(c_nodes[schematic[i].getContent()]); delete node_names; node_names = NULL; } void DecoSchematic::generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p) { ManualMapVoxelManipulator *vm = mg->vm; if (flags & DECO_PLACE_CENTER_X) p.X -= (size.X + 1) / 2; if (flags & DECO_PLACE_CENTER_Y) p.Y -= (size.Y + 1) / 2; if (flags & DECO_PLACE_CENTER_Z) p.Z -= (size.Z + 1) / 2; u32 vi = vm->m_area.index(p); if (vm->m_data[vi].getContent() != c_place_on && c_place_on != CONTENT_IGNORE) return; Rotation rot = (rotation == ROTATE_RAND) ? (Rotation)pr->range(ROTATE_0, ROTATE_270) : rotation; blitToVManip(p, vm, rot, false); } int DecoSchematic::getHeight() { return size.Y; } std::string DecoSchematic::getName() { return filename; } void DecoSchematic::blitToVManip(v3s16 p, ManualMapVoxelManipulator *vm, Rotation rot, bool force_placement) { int xstride = 1; int ystride = size.X; int zstride = size.X * size.Y; s16 sx = size.X; s16 sy = size.Y; s16 sz = size.Z; int i_start, i_step_x, i_step_z; switch (rot) { case ROTATE_90: i_start = sx - 1; i_step_x = zstride; i_step_z = -xstride; SWAP(s16, sx, sz); break; case ROTATE_180: i_start = zstride * (sz - 1) + sx - 1; i_step_x = -xstride; i_step_z = -zstride; break; case ROTATE_270: i_start = zstride * (sz - 1); i_step_x = -zstride; i_step_z = xstride; SWAP(s16, sx, sz); break; default: i_start = 0; i_step_x = xstride; i_step_z = zstride; } s16 y_map = p.Y; for (s16 y = 0; y != sy; y++) { if (slice_probs[y] != MTSCHEM_PROB_ALWAYS && myrand_range(1, 255) > slice_probs[y]) continue; for (s16 z = 0; z != sz; z++) { u32 i = z * i_step_z + y * ystride + i_start; for (s16 x = 0; x != sx; x++, i += i_step_x) { u32 vi = vm->m_area.index(p.X + x, y_map, p.Z + z); if (!vm->m_area.contains(vi)) continue; if (schematic[i].getContent() == CONTENT_IGNORE) continue; if (schematic[i].param1 == MTSCHEM_PROB_NEVER) continue; if (!force_placement) { content_t c = vm->m_data[vi].getContent(); if (c != CONTENT_AIR && c != CONTENT_IGNORE) continue; } if (schematic[i].param1 != MTSCHEM_PROB_ALWAYS && myrand_range(1, 255) > schematic[i].param1) continue; vm->m_data[vi] = schematic[i]; vm->m_data[vi].param1 = 0; if (rot) vm->m_data[vi].rotateAlongYAxis(ndef, rot); } } y_map++; } } void DecoSchematic::placeStructure(Map *map, v3s16 p) { assert(schematic != NULL); ManualMapVoxelManipulator *vm = new ManualMapVoxelManipulator(map); Rotation rot = (rotation == ROTATE_RAND) ? (Rotation)myrand_range(ROTATE_0, ROTATE_270) : rotation; v3s16 s = (rot == ROTATE_90 || rot == ROTATE_270) ? v3s16(size.Z, size.Y, size.X) : size; if (flags & DECO_PLACE_CENTER_X) p.X -= (s.X + 1) / 2; if (flags & DECO_PLACE_CENTER_Y) p.Y -= (s.Y + 1) / 2; if (flags & DECO_PLACE_CENTER_Z) p.Z -= (s.Z + 1) / 2; v3s16 bp1 = getNodeBlockPos(p); v3s16 bp2 = getNodeBlockPos(p + s - v3s16(1,1,1)); vm->initialEmerge(bp1, bp2); blitToVManip(p, vm, rot, true); std::map lighting_modified_blocks; std::map modified_blocks; vm->blitBackAll(&modified_blocks); // TODO: Optimize this by using Mapgen::calcLighting() instead lighting_modified_blocks.insert(modified_blocks.begin(), modified_blocks.end()); map->updateLighting(lighting_modified_blocks, modified_blocks); MapEditEvent event; event.type = MEET_OTHER; for (std::map::iterator it = modified_blocks.begin(); it != modified_blocks.end(); ++it) event.modified_blocks.insert(it->first); map->dispatchEvent(&event); } bool DecoSchematic::loadSchematicFile() { content_t cignore = CONTENT_IGNORE; bool have_cignore = false; std::ifstream is(filename.c_str(), std::ios_base::binary); u32 signature = readU32(is); if (signature != MTSCHEM_FILE_SIGNATURE) { errorstream << "loadSchematicFile: invalid schematic " "file" << std::endl; return false; } u16 version = readU16(is); if (version > MTSCHEM_FILE_VER_HIGHEST_READ) { errorstream << "loadSchematicFile: unsupported schematic " "file version" << std::endl; return false; } size = readV3S16(is); delete []slice_probs; slice_probs = new u8[size.Y]; if (version >= 3) { for (int y = 0; y != size.Y; y++) slice_probs[y] = readU8(is); } else { for (int y = 0; y != size.Y; y++) slice_probs[y] = MTSCHEM_PROB_ALWAYS; } int nodecount = size.X * size.Y * size.Z; u16 nidmapcount = readU16(is); node_names = new std::vector; for (int i = 0; i != nidmapcount; i++) { std::string name = deSerializeString(is); if (name == "ignore") { name = "air"; cignore = i; have_cignore = true; } node_names->push_back(name); } delete []schematic; schematic = new MapNode[nodecount]; MapNode::deSerializeBulk(is, SER_FMT_VER_HIGHEST_READ, schematic, nodecount, 2, 2, true); if (version == 1) { // fix up the probability values for (int i = 0; i != nodecount; i++) { if (schematic[i].param1 == 0) schematic[i].param1 = MTSCHEM_PROB_ALWAYS; if (have_cignore && schematic[i].getContent() == cignore) schematic[i].param1 = MTSCHEM_PROB_NEVER; } } return true; } /* Minetest Schematic File Format All values are stored in big-endian byte order. [u32] signature: 'MTSM' [u16] version: 3 [u16] size X [u16] size Y [u16] size Z For each Y: [u8] slice probability value [Name-ID table] Name ID Mapping Table [u16] name-id count For each name-id mapping: [u16] name length [u8[]] name ZLib deflated { For each node in schematic: (for z, y, x) [u16] content For each node in schematic: [u8] probability of occurance (param1) For each node in schematic: [u8] param2 } Version changes: 1 - Initial version 2 - Fixed messy never/always place; 0 probability is now never, 0xFF is always */ void DecoSchematic::saveSchematicFile(INodeDefManager *ndef) { std::ostringstream ss(std::ios_base::binary); writeU32(ss, MTSCHEM_FILE_SIGNATURE); // signature writeU16(ss, MTSCHEM_FILE_VER_HIGHEST_WRITE); // version writeV3S16(ss, size); // schematic size for (int y = 0; y != size.Y; y++) // Y slice probabilities writeU8(ss, slice_probs[y]); std::vector usednodes; int nodecount = size.X * size.Y * size.Z; build_nnlist_and_update_ids(schematic, nodecount, &usednodes); u16 numids = usednodes.size(); writeU16(ss, numids); // name count for (int i = 0; i != numids; i++) ss << serializeString(ndef->get(usednodes[i]).name); // node names // compressed bulk node data MapNode::serializeBulk(ss, SER_FMT_VER_HIGHEST_WRITE, schematic, nodecount, 2, 2, true); fs::safeWriteToFile(filename, ss.str()); } void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount, std::vector *usednodes) { std::map nodeidmap; content_t numids = 0; for (u32 i = 0; i != nodecount; i++) { content_t id; content_t c = nodes[i].getContent(); std::map::const_iterator it = nodeidmap.find(c); if (it == nodeidmap.end()) { id = numids; numids++; usednodes->push_back(c); nodeidmap.insert(std::make_pair(c, id)); } else { id = it->second; } nodes[i].setContent(id); } } bool DecoSchematic::getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2) { ManualMapVoxelManipulator *vm = new ManualMapVoxelManipulator(map); v3s16 bp1 = getNodeBlockPos(p1); v3s16 bp2 = getNodeBlockPos(p2); vm->initialEmerge(bp1, bp2); size = p2 - p1 + 1; slice_probs = new u8[size.Y]; for (s16 y = 0; y != size.Y; y++) slice_probs[y] = MTSCHEM_PROB_ALWAYS; schematic = new MapNode[size.X * size.Y * size.Z]; u32 i = 0; for (s16 z = p1.Z; z <= p2.Z; z++) for (s16 y = p1.Y; y <= p2.Y; y++) { u32 vi = vm->m_area.index(p1.X, y, z); for (s16 x = p1.X; x <= p2.X; x++, i++, vi++) { schematic[i] = vm->m_data[vi]; schematic[i].param1 = MTSCHEM_PROB_ALWAYS; } } delete vm; return true; } void DecoSchematic::applyProbabilities(v3s16 p0, std::vector > *plist, std::vector > *splist) { for (size_t i = 0; i != plist->size(); i++) { v3s16 p = (*plist)[i].first - p0; int index = p.Z * (size.Y * size.X) + p.Y * size.X + p.X; if (index < size.Z * size.Y * size.X) { u8 prob = (*plist)[i].second; schematic[index].param1 = prob; // trim unnecessary node names from schematic if (prob == MTSCHEM_PROB_NEVER) schematic[index].setContent(CONTENT_AIR); } } for (size_t i = 0; i != splist->size(); i++) { s16 y = (*splist)[i].first - p0.Y; slice_probs[y] = (*splist)[i].second; } } /////////////////////////////////////////////////////////////////////////////// Mapgen::Mapgen() { seed = 0; water_level = 0; generating = false; id = -1; vm = NULL; ndef = NULL; heightmap = NULL; biomemap = NULL; for (unsigned int i = 0; i != NUM_GEN_NOTIFY; i++) gen_notifications[i] = new std::vector; } Mapgen::~Mapgen() { for (unsigned int i = 0; i != NUM_GEN_NOTIFY; i++) delete gen_notifications[i]; } // Returns Y one under area minimum if not found s16 Mapgen::findGroundLevelFull(v2s16 p2d) { v3s16 em = vm->m_area.getExtent(); s16 y_nodes_max = vm->m_area.MaxEdge.Y; s16 y_nodes_min = vm->m_area.MinEdge.Y; u32 i = vm->m_area.index(p2d.X, y_nodes_max, p2d.Y); s16 y; for (y = y_nodes_max; y >= y_nodes_min; y--) { MapNode &n = vm->m_data[i]; if (ndef->get(n).walkable) break; vm->m_area.add_y(em, i, -1); } return (y >= y_nodes_min) ? y : y_nodes_min - 1; } s16 Mapgen::findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax) { v3s16 em = vm->m_area.getExtent(); u32 i = vm->m_area.index(p2d.X, ymax, p2d.Y); s16 y; for (y = ymax; y >= ymin; y--) { MapNode &n = vm->m_data[i]; if (ndef->get(n).walkable) break; vm->m_area.add_y(em, i, -1); } return y; } void Mapgen::updateHeightmap(v3s16 nmin, v3s16 nmax) { if (!heightmap) return; //TimeTaker t("Mapgen::updateHeightmap", NULL, PRECISION_MICRO); int index = 0; for (s16 z = nmin.Z; z <= nmax.Z; z++) { for (s16 x = nmin.X; x <= nmax.X; x++, index++) { s16 y = findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y); // if the values found are out of range, trust the old heightmap if (y == nmax.Y && heightmap[index] > nmax.Y) continue; if (y == nmin.Y - 1 && heightmap[index] < nmin.Y) continue; heightmap[index] = y; } } //printf("updateHeightmap: %dus\n", t.stop()); } void Mapgen::updateLiquid(UniqueQueue *trans_liquid, v3s16 nmin, v3s16 nmax) { bool isliquid, wasliquid, rare; v3s16 em = vm->m_area.getExtent(); rare = g_settings->getBool("liquid_finite"); int rarecnt = 0; for (s16 z = nmin.Z; z <= nmax.Z; z++) { for (s16 x = nmin.X; x <= nmax.X; x++) { wasliquid = true; u32 i = vm->m_area.index(x, nmax.Y, z); for (s16 y = nmax.Y; y >= nmin.Y; y--) { isliquid = ndef->get(vm->m_data[i]).isLiquid(); // there was a change between liquid and nonliquid, add to queue. no need to add every with liquid_finite if (isliquid != wasliquid && (!rare || !(rarecnt++ % 36))) trans_liquid->push_back(v3s16(x, y, z)); wasliquid = isliquid; vm->m_area.add_y(em, i, -1); } } } } void Mapgen::setLighting(v3s16 nmin, v3s16 nmax, u8 light) { ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG); VoxelArea a(nmin, nmax); for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) { for (int y = a.MinEdge.Y; y <= a.MaxEdge.Y; y++) { u32 i = vm->m_area.index(a.MinEdge.X, y, z); for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++, i++) vm->m_data[i].param1 = light; } } } void Mapgen::lightSpread(VoxelArea &a, v3s16 p, u8 light) { if (light <= 1 || !a.contains(p)) return; u32 vi = vm->m_area.index(p); MapNode &nn = vm->m_data[vi]; light--; // should probably compare masked, but doesn't seem to make a difference if (light <= nn.param1 || !ndef->get(nn).light_propagates) return; nn.param1 = light; lightSpread(a, p + v3s16(0, 0, 1), light); lightSpread(a, p + v3s16(0, 1, 0), light); lightSpread(a, p + v3s16(1, 0, 0), light); lightSpread(a, p - v3s16(0, 0, 1), light); lightSpread(a, p - v3s16(0, 1, 0), light); lightSpread(a, p - v3s16(1, 0, 0), light); } void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax) { VoxelArea a(nmin, nmax); bool block_is_underground = (water_level >= nmax.Y); ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG); //TimeTaker t("updateLighting"); // first, send vertical rays of sunshine downward v3s16 em = vm->m_area.getExtent(); for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) { for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++) { // see if we can get a light value from the overtop u32 i = vm->m_area.index(x, a.MaxEdge.Y + 1, z); if (vm->m_data[i].getContent() == CONTENT_IGNORE) { if (block_is_underground) continue; } else if ((vm->m_data[i].param1 & 0x0F) != LIGHT_SUN) { continue; } vm->m_area.add_y(em, i, -1); for (int y = a.MaxEdge.Y; y >= a.MinEdge.Y; y--) { MapNode &n = vm->m_data[i]; if (!ndef->get(n).sunlight_propagates) break; n.param1 = LIGHT_SUN; vm->m_area.add_y(em, i, -1); } } } // now spread the sunlight and light up any sources for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) { for (int y = a.MinEdge.Y; y <= a.MaxEdge.Y; y++) { u32 i = vm->m_area.index(a.MinEdge.X, y, z); for (int x = a.MinEdge.X; x <= a.MaxEdge.X; x++, i++) { MapNode &n = vm->m_data[i]; if (n.getContent() == CONTENT_IGNORE || !ndef->get(n).light_propagates) continue; u8 light_produced = ndef->get(n).light_source & 0x0F; if (light_produced) n.param1 = light_produced; u8 light = n.param1 & 0x0F; if (light) { lightSpread(a, v3s16(x, y, z + 1), light - 1); lightSpread(a, v3s16(x, y + 1, z ), light - 1); lightSpread(a, v3s16(x + 1, y, z ), light - 1); lightSpread(a, v3s16(x, y, z - 1), light - 1); lightSpread(a, v3s16(x, y - 1, z ), light - 1); lightSpread(a, v3s16(x - 1, y, z ), light - 1); } } } } //printf("updateLighting: %dms\n", t.stop()); } void Mapgen::calcLightingOld(v3s16 nmin, v3s16 nmax) { enum LightBank banks[2] = {LIGHTBANK_DAY, LIGHTBANK_NIGHT}; VoxelArea a(nmin, nmax); bool block_is_underground = (water_level > nmax.Y); bool sunlight = !block_is_underground; ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG); for (int i = 0; i < 2; i++) { enum LightBank bank = banks[i]; std::set light_sources; std::map unlight_from; voxalgo::clearLightAndCollectSources(*vm, a, bank, ndef, light_sources, unlight_from); voxalgo::propagateSunlight(*vm, a, sunlight, light_sources, ndef); vm->unspreadLight(bank, unlight_from, light_sources, ndef); vm->spreadLight(bank, light_sources, ndef); } } //////////////////////// Mapgen V6 parameter read/write bool MapgenV6Params::readParams(Settings *settings) { freq_desert = settings->getFloat("mgv6_freq_desert"); freq_beach = settings->getFloat("mgv6_freq_beach"); bool success = settings->getNoiseParams("mgv6_np_terrain_base", np_terrain_base) && settings->getNoiseParams("mgv6_np_terrain_higher", np_terrain_higher) && settings->getNoiseParams("mgv6_np_steepness", np_steepness) && settings->getNoiseParams("mgv6_np_height_select", np_height_select) && settings->getNoiseParams("mgv6_np_mud", np_mud) && settings->getNoiseParams("mgv6_np_beach", np_beach) && settings->getNoiseParams("mgv6_np_biome", np_biome) && settings->getNoiseParams("mgv6_np_cave", np_cave) && settings->getNoiseParams("mgv6_np_humidity", np_humidity) && settings->getNoiseParams("mgv6_np_trees", np_trees) && settings->getNoiseParams("mgv6_np_apple_trees", np_apple_trees); return success; } void MapgenV6Params::writeParams(Settings *settings) { settings->setFloat("mgv6_freq_desert", freq_desert); settings->setFloat("mgv6_freq_beach", freq_beach); settings->setNoiseParams("mgv6_np_terrain_base", np_terrain_base); settings->setNoiseParams("mgv6_np_terrain_higher", np_terrain_higher); settings->setNoiseParams("mgv6_np_steepness", np_steepness); settings->setNoiseParams("mgv6_np_height_select", np_height_select); settings->setNoiseParams("mgv6_np_mud", np_mud); settings->setNoiseParams("mgv6_np_beach", np_beach); settings->setNoiseParams("mgv6_np_biome", np_biome); settings->setNoiseParams("mgv6_np_cave", np_cave); settings->setNoiseParams("mgv6_np_humidity", np_humidity); settings->setNoiseParams("mgv6_np_trees", np_trees); settings->setNoiseParams("mgv6_np_apple_trees", np_apple_trees); } bool MapgenV7Params::readParams(Settings *settings) { bool success = settings->getNoiseParams("mgv7_np_terrain_base", np_terrain_base) && settings->getNoiseParams("mgv7_np_terrain_alt", np_terrain_alt) && settings->getNoiseParams("mgv7_np_terrain_persist", np_terrain_persist) && settings->getNoiseParams("mgv7_np_height_select", np_height_select) && settings->getNoiseParams("mgv7_np_filler_depth", np_filler_depth) && settings->getNoiseParams("mgv7_np_mount_height", np_mount_height) && settings->getNoiseParams("mgv7_np_ridge_uwater", np_ridge_uwater) && settings->getNoiseParams("mgv7_np_mountain", np_mountain) && settings->getNoiseParams("mgv7_np_ridge", np_ridge); return success; } void MapgenV7Params::writeParams(Settings *settings) { settings->setNoiseParams("mgv7_np_terrain_base", np_terrain_base); settings->setNoiseParams("mgv7_np_terrain_alt", np_terrain_alt); settings->setNoiseParams("mgv7_np_terrain_persist", np_terrain_persist); settings->setNoiseParams("mgv7_np_height_select", np_height_select); settings->setNoiseParams("mgv7_np_filler_depth", np_filler_depth); settings->setNoiseParams("mgv7_np_mount_height", np_mount_height); settings->setNoiseParams("mgv7_np_ridge_uwater", np_ridge_uwater); settings->setNoiseParams("mgv7_np_mountain", np_mountain); settings->setNoiseParams("mgv7_np_ridge", np_ridge); }