#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},
{"v6_jungles", MGV6_JUNGLES},
{"v6_biome_blend", MGV6_BIOME_BLEND},
{"flat", MG_FLAT},
+ {"nolight", MG_NOLIGHT},
{NULL, 0}
};
{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::~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;
+ ore = CONTENT_AIR;
+ wherein.push_back(CONTENT_AIR);
+ return;
}
}
-
- 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;
+
+ 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 OreScatter::generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax) {
+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 (!in_range)
return;
- resolveNodeNames(mg->ndef);
-
- MapNode n_ore(ore);
- ManualMapVoxelManipulator *vm = mg->vm;
- PseudoRandom pr(blockseed);
int ymin, ymax;
-
if (in_range & ORE_RANGE_MIRROR) {
ymin = MYMAX(nmin.Y, -height_max);
ymax = MYMIN(nmax.Y, -height_min);
}
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);
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 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, mg->seed) < nthresh))
+
+ 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;
+ 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(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;
-
- resolveNodeNames(mg->ndef);
-
- MapNode n_ore(ore);
- ManualMapVoxelManipulator *vm = mg->vm;
+void OreSheet::generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax) {
PseudoRandom pr(blockseed + 4234);
- 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);
- }
+ MapNode n_ore(ore, 0, ore_param2);
- if (clust_size >= ymax - ymin + 1)
- return;
-
- 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);
-
+ 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 = mg->seed + y_start;
- noise->perlinMap2D(x0, z0);
-
+ noise->seed = seed + y_start;
+ noise->perlinMap2D(nmin.X, nmin.Z);
+
int index = 0;
- for (int z = z0; z != z1; z++)
- for (int x = x0; x != x1; x++) {
+ 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;
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) {
+ 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++) {
+ std::string name = node_names->at(i);
+
+ std::map<std::string, std::string>::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;
+ }
+
+ for (s16 z = 0; z != sz; z++)
+ for (s16 y = 0; y != sy; y++) {
+ 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, p.Y + y, 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);
+ }
+ }
+}
+
+
+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<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() {
+ 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 > 2) {
+ 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);
+ 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: 2
+ [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
+ }
+
+ 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, 2); // version
+ writeV3S16(ss, 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(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<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);
+ }
+}
+
+
+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 = MTSCHEM_PROB_ALWAYS;
+ }
+ }
+
+ delete vm;
+ return true;
+}
+
+
+void DecoSchematic::applyProbabilities(std::vector<std::pair<v3s16, u8> > *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) {
+ 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);
+ }
+ }
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+
+
+Mapgen::Mapgen() {
+ seed = 0;
+ water_level = 0;
+ generating = false;
+ id = -1;
+ vm = NULL;
+ ndef = NULL;
+ heightmap = NULL;
+ biomemap = NULL;
+}
+
+
+// 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;
- if (vm->m_data[i].getContent() == wherein)
- vm->m_data[i] = n_ore;
+ heightmap[index] = y;
}
}
+ //printf("updateHeightmap: %dus\n", t.stop());
}
void Mapgen::updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax) {
- bool isliquid, wasliquid;
+ 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
- if (isliquid != wasliquid)
+
+ // 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;
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];
// 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);
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)
}
}
}
-
+
// 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++) {
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);
- 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);
+ 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());
}
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<v3s16> light_sources;
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");
- np_terrain_base = settings->getNoiseParams("mgv6_np_terrain_base");
- np_terrain_higher = settings->getNoiseParams("mgv6_np_terrain_higher");
- np_steepness = settings->getNoiseParams("mgv6_np_steepness");
- np_height_select = settings->getNoiseParams("mgv6_np_height_select");
- np_mud = settings->getNoiseParams("mgv6_np_mud");
- np_beach = settings->getNoiseParams("mgv6_np_beach");
- np_biome = settings->getNoiseParams("mgv6_np_biome");
- np_cave = settings->getNoiseParams("mgv6_np_cave");
- np_humidity = settings->getNoiseParams("mgv6_np_humidity");
- np_trees = settings->getNoiseParams("mgv6_np_trees");
- np_apple_trees = settings->getNoiseParams("mgv6_np_apple_trees");
-
- bool success =
- np_terrain_base && np_terrain_higher && np_steepness &&
- np_height_select && np_trees && np_mud &&
- np_beach && np_biome && np_cave &&
- np_humidity && np_apple_trees;
+ 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);
bool MapgenV7Params::readParams(Settings *settings) {
- np_terrain_base = settings->getNoiseParams("mgv7_np_terrain_base");
- np_terrain_alt = settings->getNoiseParams("mgv7_np_terrain_alt");
- np_terrain_mod = settings->getNoiseParams("mgv7_np_terrain_mod");
- np_terrain_persist = settings->getNoiseParams("mgv7_np_terrain_persist");
- np_height_select = settings->getNoiseParams("mgv7_np_height_select");
- np_ridge = settings->getNoiseParams("mgv7_np_ridge");
-
- bool success =
- np_terrain_base && np_terrain_alt && np_terrain_mod &&
- np_terrain_persist && np_height_select && np_ridge;
+ 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_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_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);
}
-
-
-/////////////////////////////////// legacy static functions for farmesh
-
-
-s16 Mapgen::find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision) {
- //just need to return something
- s16 level = 5;
- return level;
-}
-
-
-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);
-}
-
-
-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;
- else
- return 0.04 * (noise-zeroval) / (1.0-zeroval);
-}
projects / dragonfireclient.git / blobdiff