#include "mapgen.h"
#include "voxel.h"
#include "noise.h"
-#include "biome.h"
+#include "gamedef.h"
+#include "mg_biome.h"
#include "mapblock.h"
#include "mapnode.h"
#include "map.h"
-//#include "serverobject.h"
#include "content_sao.h"
#include "nodedef.h"
+#include "emerge.h"
#include "content_mapnode.h" // For content_mapnode_get_new_name
#include "voxelalgorithms.h"
+#include "porting.h"
#include "profiler.h"
-#include "settings.h" // For g_settings
-#include "main.h" // For g_profiler
+#include "settings.h"
#include "treegen.h"
-#include "mapgen_v6.h"
-#include "mapgen_v7.h"
+#include "serialization.h"
#include "util/serialize.h"
+#include "util/numeric.h"
+#include "filesys.h"
+#include "log.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}
+ {"trees", MG_TREES},
+ {"caves", MG_CAVES},
+ {"dungeons", MG_DUNGEONS},
+ {"flat", MG_FLAT},
+ {"light", MG_LIGHT},
+ {NULL, 0}
};
-FlagDesc flagdesc_ore[] = {
- {"absheight", OREFLAG_ABSHEIGHT},
- {"scatter_noisedensity", OREFLAG_DENSITY},
- {"claylike_nodeisnt", OREFLAG_NODEISNT},
- {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},
+ {"decoration", 1 << GENNOTIFY_DECORATION},
+ {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}
-};
-
-///////////////////////////////////////////////////////////////////////////////
-
-
-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 = 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 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);
- if (vm->m_data[i].getContent() == wherein)
- 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;
-
- if (vm->m_data[i].getContent() == wherein)
- 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) {
- 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;
- 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) {
- 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 '"
- << deco_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;
- flags = 0;
- size = v3s16(0, 0, 0);
-}
-
-
-DecoSchematic::~DecoSchematic() {
- delete node_names;
- delete []schematic;
-}
-
-
-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++) {
- content_t c = ndef->getId(node_names->at(i));
- if (c == CONTENT_IGNORE) {
- errorstream << "DecoSchematic::resolveNodeNames: node '"
- << node_names->at(i) << "' 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;
-
- u32 i = 0;
- for (s16 z = 0; z != size.Z; z++)
- for (s16 y = 0; y != size.Y; y++) {
- vi = vm->m_area.index(p.X, p.Y + y, p.Z + z);
- for (s16 x = 0; x != size.X; x++, i++, vi++) {
- if (!vm->m_area.contains(vi))
- continue;
-
- if (schematic[i].getContent() == CONTENT_IGNORE)
- continue;
-
- content_t c = vm->m_data[vi].getContent();
- if (c != CONTENT_AIR && c != CONTENT_IGNORE)
- continue;
-
- if (schematic[i].param1 && myrand_range(1, 256) > schematic[i].param1)
- continue;
-
- vm->m_data[vi] = schematic[i];
- vm->m_data[vi].param1 = 0;
- }
- }
-}
-
-
-int DecoSchematic::getHeight() {
- return size.Y;
-}
-
-
-std::string DecoSchematic::getName() {
- return filename;
-}
-
-
-void DecoSchematic::placeStructure(Map *map, v3s16 p) {
- assert(schematic != NULL);
- ManualMapVoxelManipulator *vm = new ManualMapVoxelManipulator(map);
-
- 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;
-
- v3s16 bp1 = getNodeBlockPos(p);
- v3s16 bp2 = getNodeBlockPos(p + size - v3s16(1,1,1));
- vm->initialEmerge(bp1, bp2);
-
- u32 i = 0;
- for (s16 z = 0; z != size.Z; z++)
- for (s16 y = 0; y != size.Y; y++) {
- u32 vi = vm->m_area.index(p.X, p.Y + y, p.Z + z);
- for (s16 x = 0; x != size.X; x++, i++, vi++) {
- if (!vm->m_area.contains(vi))
- continue;
-
- if (schematic[i].getContent() == CONTENT_IGNORE)
- continue;
-
- if (schematic[i].param1 && myrand_range(1, 256) > schematic[i].param1)
- continue;
-
- vm->m_data[vi] = schematic[i];
- vm->m_data[vi].param1 = 0;
- }
- }
-
- std::map<v3s16, MapBlock *> lighting_modified_blocks;
- std::map<v3s16, MapBlock *> 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<v3s16, MapBlock *>::iterator
- it = modified_blocks.begin();
- it != modified_blocks.end(); ++it)
- event.modified_blocks.insert(it->first);
-
- map->dispatchEvent(&event);
-}
-
-
-bool DecoSchematic::loadSchematicFile() {
- std::ifstream is(filename.c_str(), std::ios_base::binary);
-
- u32 signature = readU32(is);
- if (signature != 'MTSM') {
- errorstream << "loadSchematicFile: invalid schematic "
- "file" << std::endl;
- return false;
- }
-
- u16 version = readU16(is);
- if (version != 1) {
- errorstream << "loadSchematicFile: unsupported schematic "
- "file version" << std::endl;
- return false;
- }
-
- size = readV3S16(is);
- int nodecount = size.X * size.Y * size.Z;
-
- u16 nidmapcount = readU16(is);
-
- node_names = new std::vector<std::string>;
- for (int i = 0; i != nidmapcount; i++) {
- std::string name = deSerializeString(is);
- node_names->push_back(name);
- }
+Mapgen::Mapgen()
+{
+ generating = false;
+ id = -1;
+ seed = 0;
+ water_level = 0;
+ flags = 0;
- delete schematic;
- schematic = new MapNode[nodecount];
- MapNode::deSerializeBulk(is, SER_FMT_VER_HIGHEST, schematic,
- nodecount, 2, 2, true);
-
- return true;
+ vm = NULL;
+ ndef = NULL;
+ heightmap = NULL;
+ biomemap = NULL;
}
-/*
- Minetest Schematic File Format
-
- All values are stored in big-endian byte order.
- [u32] signature: 'MTSM'
- [u16] version: 1
- [u16] size X
- [u16] size Y
- [u16] size Z
- [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
- }
-*/
-void DecoSchematic::saveSchematicFile(INodeDefManager *ndef) {
- std::ofstream os(filename.c_str(), std::ios_base::binary);
-
- writeU32(os, 'MTSM'); // signature
- writeU16(os, 1); // version
- writeV3S16(os, size); // schematic size
-
- std::vector<content_t> usednodes;
- int nodecount = size.X * size.Y * size.Z;
- build_nnlist_and_update_ids(schematic, nodecount, &usednodes);
-
- u16 numids = usednodes.size();
- writeU16(os, numids); // name count
- for (int i = 0; i != numids; i++)
- os << serializeString(ndef->get(usednodes[i]).name); // node names
-
- // compressed bulk node data
- MapNode::serializeBulk(os, SER_FMT_VER_HIGHEST, schematic,
- nodecount, 2, 2, true);
-}
-
+Mapgen::Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge) :
+ gennotify(emerge->gen_notify_on, &emerge->gen_notify_on_deco_ids)
+{
+ generating = false;
+ id = mapgenid;
+ seed = (int)params->seed;
+ water_level = params->water_level;
+ flags = params->flags;
+ csize = v3s16(1, 1, 1) * (params->chunksize * MAP_BLOCKSIZE);
-void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount,
- std::vector<content_t> *usednodes) {
- std::map<content_t, content_t> nodeidmap;
- content_t numids = 0;
-
- for (u32 i = 0; i != nodecount; i++) {
- content_t id;
- content_t c = nodes[i].getContent();
-
- std::map<content_t, content_t>::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);
- }
+ vm = NULL;
+ ndef = NULL;
+ heightmap = NULL;
+ biomemap = NULL;
}
-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;
- 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 = 0;
- }
- }
-
- delete vm;
- return true;
+Mapgen::~Mapgen()
+{
}
-void DecoSchematic::applyProbabilities(std::vector<std::pair<v3s16, s16> > *plist, v3s16 p0) {
- 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) {
- s16 prob = (*plist)[i].second;
- if (prob != -1)
- schematic[index].param1 = prob;
- else
- schematic[index].setContent(CONTENT_IGNORE);
- }
- }
+u32 Mapgen::getBlockSeed(v3s16 p, int seed)
+{
+ return (u32)seed +
+ p.Z * 38134234 +
+ p.Y * 42123 +
+ p.X * 23;
}
-///////////////////////////////////////////////////////////////////////////////
-
-
-Mapgen::Mapgen() {
- seed = 0;
- water_level = 0;
- generating = false;
- id = -1;
- vm = NULL;
- ndef = NULL;
- heightmap = NULL;
- biomemap = NULL;
+u32 Mapgen::getBlockSeed2(v3s16 p, int seed)
+{
+ u32 n = 1619 * p.X + 31337 * p.Y + 52591 * p.Z + 1013 * seed;
+ n = (n >> 13) ^ n;
+ return (n * (n * n * 60493 + 19990303) + 1376312589);
}
// Returns Y one under area minimum if not found
-s16 Mapgen::findGroundLevelFull(v2s16 p2d) {
+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)
}
-s16 Mapgen::findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax) {
+// Returns -MAP_GENERATION_LIMIT if not found
+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)
vm->m_area.add_y(em, i, -1);
}
- return y;
+ return (y >= ymin) ? y : -MAP_GENERATION_LIMIT;
}
-void Mapgen::updateHeightmap(v3s16 nmin, v3s16 nmax) {
+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++) {
+ for (s16 x = nmin.X; x <= nmax.X; x++, index++) {
s16 y = findGroundLevel(v2s16(x, z), nmin.Y, nmax.Y);
- heightmap[index++] = y;
+
+ heightmap[index] = y;
}
}
//printf("updateHeightmap: %dus\n", t.stop());
}
-void Mapgen::updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax) {
- bool isliquid, wasliquid, rare;
+void Mapgen::updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax)
+{
+ bool isliquid, wasliquid;
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++) {
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)))
+ // there was a change between liquid and nonliquid, add to queue.
+ if (isliquid != wasliquid)
trans_liquid->push_back(v3s16(x, y, z));
wasliquid = isliquid;
}
-void Mapgen::setLighting(v3s16 nmin, v3s16 nmax, u8 light) {
+void Mapgen::setLighting(u8 light, v3s16 nmin, v3s16 nmax)
+{
ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
VoxelArea a(nmin, nmax);
}
-void Mapgen::lightSpread(VoxelArea &a, v3s16 p, u8 light) {
+void Mapgen::lightSpread(VoxelArea &a, v3s16 p, u8 light)
+{
if (light <= 1 || !a.contains(p))
return;
}
-void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax) {
- VoxelArea a(nmin, nmax);
- bool block_is_underground = (water_level >= nmax.Y);
+void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax, v3s16 full_nmin, v3s16 full_nmax)
+{
+ ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
+ //TimeTaker t("updateLighting");
+
+ propagateSunlight(nmin, nmax);
+ spreadLight(full_nmin, full_nmax);
+
+ //printf("updateLighting: %dms\n", t.stop());
+}
+
+
+void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax)
+{
ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
//TimeTaker t("updateLighting");
- // first, send vertical rays of sunshine downward
+ propagateSunlight(
+ nmin - v3s16(1, 1, 1) * MAP_BLOCKSIZE,
+ nmax + v3s16(1, 0, 1) * MAP_BLOCKSIZE);
+
+ spreadLight(
+ nmin - v3s16(1, 1, 1) * MAP_BLOCKSIZE,
+ nmax + v3s16(1, 1, 1) * MAP_BLOCKSIZE);
+
+ //printf("updateLighting: %dms\n", t.stop());
+}
+
+
+void Mapgen::propagateSunlight(v3s16 nmin, v3s16 nmax)
+{
+ //TimeTaker t("propagateSunlight");
+ VoxelArea a(nmin, nmax);
+ bool block_is_underground = (water_level >= nmax.Y);
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
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)
}
}
}
+ //printf("propagateSunlight: %dms\n", t.stop());
+}
+
+
+
+void Mapgen::spreadLight(v3s16 nmin, v3s16 nmax)
+{
+ //TimeTaker t("spreadLight");
+ VoxelArea a(nmin, nmax);
- // 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);
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);
+ lightSpread(a, v3s16(x, y, z + 1), light);
+ lightSpread(a, v3s16(x, y + 1, z ), light);
+ lightSpread(a, v3s16(x + 1, y, z ), light);
+ lightSpread(a, v3s16(x, y, z - 1), light);
+ lightSpread(a, v3s16(x, y - 1, z ), light);
+ lightSpread(a, v3s16(x - 1, y, z ), light);
}
}
}
}
- //printf("updateLighting: %dms\n", t.stop());
+ //printf("spreadLight: %dms\n", t.stop());
}
-void Mapgen::calcLightingOld(v3s16 nmin, v3s16 nmax) {
+
+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);
std::map<v3s16, u8> unlight_from;
voxalgo::clearLightAndCollectSources(*vm, a, bank, ndef,
- light_sources, unlight_from);
+ 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;
+
+
+///////////////////////////////////////////////////////////////////////////////
+
+GenerateNotifier::GenerateNotifier()
+{
+ m_notify_on = 0;
+}
+
+
+GenerateNotifier::GenerateNotifier(u32 notify_on,
+ std::set<u32> *notify_on_deco_ids)
+{
+ m_notify_on = notify_on;
+ m_notify_on_deco_ids = notify_on_deco_ids;
+}
+
+
+void GenerateNotifier::setNotifyOn(u32 notify_on)
+{
+ m_notify_on = notify_on;
+}
+
+
+void GenerateNotifier::setNotifyOnDecoIds(std::set<u32> *notify_on_deco_ids)
+{
+ m_notify_on_deco_ids = notify_on_deco_ids;
+}
+
+
+bool GenerateNotifier::addEvent(GenNotifyType type, v3s16 pos, u32 id)
+{
+ if (!(m_notify_on & (1 << type)))
+ return false;
+
+ if (type == GENNOTIFY_DECORATION &&
+ m_notify_on_deco_ids->find(id) == m_notify_on_deco_ids->end())
+ return false;
+
+ GenNotifyEvent gne;
+ gne.type = type;
+ gne.pos = pos;
+ gne.id = id;
+ m_notify_events.push_back(gne);
+
+ return true;
+}
+
+
+void GenerateNotifier::getEvents(
+ std::map<std::string, std::vector<v3s16> > &event_map,
+ bool peek_events)
+{
+ std::list<GenNotifyEvent>::iterator it;
+
+ for (it = m_notify_events.begin(); it != m_notify_events.end(); ++it) {
+ GenNotifyEvent &gn = *it;
+ std::string name = (gn.type == GENNOTIFY_DECORATION) ?
+ "decoration#"+ itos(gn.id) :
+ flagdesc_gennotify[gn.type].name;
+
+ event_map[name].push_back(gn.pos);
+ }
+
+ if (!peek_events)
+ m_notify_events.clear();
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+
+
+ObjDefManager::ObjDefManager(IGameDef *gamedef, ObjDefType type)
+{
+ m_objtype = type;
+ m_ndef = gamedef->getNodeDefManager();
+}
+
+
+ObjDefManager::~ObjDefManager()
+{
+ for (size_t i = 0; i != m_objects.size(); i++)
+ delete m_objects[i];
+}
+
+
+ObjDefHandle ObjDefManager::add(ObjDef *obj)
+{
+ assert(obj);
+
+ if (obj->name.length() && getByName(obj->name))
+ return OBJDEF_INVALID_HANDLE;
+
+ u32 index = addRaw(obj);
+ if (index == OBJDEF_INVALID_INDEX)
+ return OBJDEF_INVALID_HANDLE;
+
+ obj->handle = createHandle(index, m_objtype, obj->uid);
+ return obj->handle;
+}
+
+
+ObjDef *ObjDefManager::get(ObjDefHandle handle) const
+{
+ u32 index = validateHandle(handle);
+ return (index != OBJDEF_INVALID_INDEX) ? getRaw(index) : NULL;
+}
+
+
+ObjDef *ObjDefManager::set(ObjDefHandle handle, ObjDef *obj)
+{
+ u32 index = validateHandle(handle);
+ return (index != OBJDEF_INVALID_INDEX) ? setRaw(index, obj) : NULL;
+}
+
+
+u32 ObjDefManager::addRaw(ObjDef *obj)
+{
+ size_t nobjects = m_objects.size();
+ if (nobjects >= OBJDEF_MAX_ITEMS)
+ return -1;
+
+ obj->index = nobjects;
+
+ // Ensure UID is nonzero so that a valid handle == OBJDEF_INVALID_HANDLE
+ // is not possible. The slight randomness bias isn't very significant.
+ obj->uid = myrand() & OBJDEF_UID_MASK;
+ if (obj->uid == 0)
+ obj->uid = 1;
+
+ m_objects.push_back(obj);
+
+ infostream << "ObjDefManager: added " << getObjectTitle()
+ << ": name=\"" << obj->name
+ << "\" index=" << obj->index
+ << " uid=" << obj->uid
+ << std::endl;
+
+ return nobjects;
}
-
-
-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);
+
+
+ObjDef *ObjDefManager::getRaw(u32 index) const
+{
+ return m_objects[index];
}
-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_mod", np_terrain_mod) &&
- settings->getNoiseParams("mgv7_np_terrain_persist", np_terrain_persist) &&
- settings->getNoiseParams("mgv7_np_height_select", np_height_select) &&
- settings->getNoiseParams("mgv7_np_ridge", np_ridge);
- return success;
+ObjDef *ObjDefManager::setRaw(u32 index, ObjDef *obj)
+{
+ ObjDef *old_obj = m_objects[index];
+ m_objects[index] = obj;
+ return old_obj;
}
-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_mod", np_terrain_mod);
- settings->setNoiseParams("mgv7_np_terrain_persist", np_terrain_persist);
- settings->setNoiseParams("mgv7_np_height_select", np_height_select);
- settings->setNoiseParams("mgv7_np_ridge", np_ridge);
+ObjDef *ObjDefManager::getByName(const std::string &name) const
+{
+ for (size_t i = 0; i != m_objects.size(); i++) {
+ ObjDef *obj = m_objects[i];
+ if (obj && !strcasecmp(name.c_str(), obj->name.c_str()))
+ return obj;
+ }
+
+ return NULL;
}
-/////////////////////////////////// legacy static functions for farmesh
+void ObjDefManager::clear()
+{
+ for (size_t i = 0; i != m_objects.size(); i++)
+ delete m_objects[i];
-s16 Mapgen::find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision) {
- //just need to return something
- s16 level = 5;
- return level;
+ m_objects.clear();
}
-bool Mapgen::get_have_beach(u64 seed, v2s16 p2d) {
- double sandnoise = noise2d_perlin(
- 0.2+(float)p2d.X/250, 0.7+(float)p2d.Y/250,
- seed+59420, 3, 0.50);
-
- return (sandnoise > 0.15);
+u32 ObjDefManager::validateHandle(ObjDefHandle handle) const
+{
+ ObjDefType type;
+ u32 index;
+ u32 uid;
+
+ bool is_valid =
+ (handle != OBJDEF_INVALID_HANDLE) &&
+ decodeHandle(handle, &index, &type, &uid) &&
+ (type == m_objtype) &&
+ (index < m_objects.size()) &&
+ (m_objects[index]->uid == uid);
+
+ return is_valid ? index : -1;
}
-double Mapgen::tree_amount_2d(u64 seed, v2s16 p) {
- double noise = noise2d_perlin(
- 0.5+(float)p.X/125, 0.5+(float)p.Y/125,
- seed+2, 4, 0.66);
- double zeroval = -0.39;
- if(noise < zeroval)
- return 0;
+ObjDefHandle ObjDefManager::createHandle(u32 index, ObjDefType type, u32 uid)
+{
+ ObjDefHandle handle = 0;
+ set_bits(&handle, 0, 18, index);
+ set_bits(&handle, 18, 6, type);
+ set_bits(&handle, 24, 7, uid);
+
+ u32 parity = calc_parity(handle);
+ set_bits(&handle, 31, 1, parity);
+
+ return handle ^ OBJDEF_HANDLE_SALT;
+}
+
+
+bool ObjDefManager::decodeHandle(ObjDefHandle handle, u32 *index,
+ ObjDefType *type, u32 *uid)
+{
+ handle ^= OBJDEF_HANDLE_SALT;
+
+ u32 parity = get_bits(handle, 31, 1);
+ set_bits(&handle, 31, 1, 0);
+ if (parity != calc_parity(handle))
+ return false;
+
+ *index = get_bits(handle, 0, 18);
+ *type = (ObjDefType)get_bits(handle, 18, 6);
+ *uid = get_bits(handle, 24, 7);
+ return true;
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+
+
+void MapgenParams::load(const Settings &settings)
+{
+ std::string seed_str;
+ const char *seed_name = (&settings == g_settings) ? "fixed_map_seed" : "seed";
+
+ if (settings.getNoEx(seed_name, seed_str) && !seed_str.empty())
+ seed = read_seed(seed_str.c_str());
else
- return 0.04 * (noise-zeroval) / (1.0-zeroval);
+ myrand_bytes(&seed, sizeof(seed));
+
+ settings.getNoEx("mg_name", mg_name);
+ settings.getS16NoEx("water_level", water_level);
+ settings.getS16NoEx("chunksize", chunksize);
+ settings.getFlagStrNoEx("mg_flags", flags, flagdesc_mapgen);
+ settings.getNoiseParams("mg_biome_np_heat", np_biome_heat);
+ settings.getNoiseParams("mg_biome_np_humidity", np_biome_humidity);
+
+ delete sparams;
+ sparams = EmergeManager::createMapgenParams(mg_name);
+ if (sparams)
+ sparams->readParams(&settings);
}
+
+
+void MapgenParams::save(Settings &settings) const
+{
+ settings.set("mg_name", mg_name);
+ settings.setU64("seed", seed);
+ settings.setS16("water_level", water_level);
+ settings.setS16("chunksize", chunksize);
+ settings.setFlagStr("mg_flags", flags, flagdesc_mapgen, (u32)-1);
+ settings.setNoiseParams("mg_biome_np_heat", np_biome_heat);
+ settings.setNoiseParams("mg_biome_np_humidity", np_biome_humidity);
+
+ if (sparams)
+ sparams->writeParams(&settings);
+}
+
projects / minetest.git / blobdiff