#include "mapgen.h"
#include "voxel.h"
#include "noise.h"
-#include "biome.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 "content_mapnode.h" // For content_mapnode_get_new_name
#include "settings.h" // For g_settings
#include "main.h" // For g_profiler
#include "treegen.h"
-#include "mapgen_v6.h"
+#include "serialization.h"
+#include "util/serialize.h"
+#include "filesys.h"
+#include "log.h"
+
+const char *GenElementManager::ELEMENT_TITLE = "element";
FlagDesc flagdesc_mapgen[] = {
- {"trees", MG_TREES},
- {"caves", MG_CAVES},
- {"dungeons", MG_DUNGEONS},
- {"v6_forests", MGV6_FORESTS},
- {"v6_biome_blend", MGV6_BIOME_BLEND},
- {"flat", MG_FLAT},
- {NULL, 0}
+ {"trees", MG_TREES},
+ {"caves", MG_CAVES},
+ {"dungeons", MG_DUNGEONS},
+ {"flat", MG_FLAT},
+ {"light", MG_LIGHT},
+ {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}
};
///////////////////////////////////////////////////////////////////////////////
+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<v3s16>;
+}
+
+
+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<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax) {
bool isliquid, wasliquid;
- u32 i;
+ v3s16 em = vm->m_area.getExtent();
for (s16 z = nmin.Z; z <= nmax.Z; z++) {
for (s16 x = nmin.X; x <= nmax.X; x++) {
- v2s16 p2d(x, z);
wasliquid = true;
- v3s16 em = vm->m_area.getExtent();
- i = vm->m_area.index(v3s16(p2d.X, nmax.Y, p2d.Y));
+ 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
+
+ // there was a change between liquid and nonliquid, add to queue.
if (isliquid != wasliquid)
- trans_liquid->push_back(v3s16(p2d.X, y, p2d.Y));
+ trans_liquid->push_back(v3s16(x, y, z));
wasliquid = isliquid;
vm->m_area.add_y(em, i, -1);
}
-void Mapgen::updateLighting(v3s16 nmin, v3s16 nmax) {
- enum LightBank banks[2] = {LIGHTBANK_DAY, LIGHTBANK_NIGHT};
+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;
+ }
+ }
+}
+
- VoxelArea a(nmin - v3s16(1,0,1) * MAP_BLOCKSIZE,
- nmax + v3s16(1,0,1) * MAP_BLOCKSIZE);
+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<v3s16> light_sources;
- std::map<v3s16, u8> unlight_from;
+ 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_trees = settings->getNoiseParams("mgv6_np_trees");
- 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");
+GenElementManager::~GenElementManager()
+{
+ for (size_t i = 0; i != m_elements.size(); i++)
+ delete m_elements[i];
+}
+
- bool success =
- np_terrain_base && np_terrain_higher && np_steepness &&
- np_height_select && np_trees && np_mud &&
- np_beach && np_biome && np_cave;
- return success;
+u32 GenElementManager::add(GenElement *elem)
+{
+ size_t nelem = m_elements.size();
+
+ for (size_t i = 0; i != nelem; i++) {
+ if (m_elements[i] == NULL) {
+ elem->id = i;
+ m_elements[i] = elem;
+ return i;
+ }
+ }
+
+ if (nelem >= this->ELEMENT_LIMIT)
+ return -1;
+
+ elem->id = nelem;
+ m_elements.push_back(elem);
+
+ verbosestream << "GenElementManager: added " << this->ELEMENT_TITLE
+ << " element '" << elem->name << "'" << std::endl;
+
+ return nelem;
}
-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_trees", np_trees);
- 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);
+GenElement *GenElementManager::get(u32 id)
+{
+ return (id < m_elements.size()) ? m_elements[id] : NULL;
}
-/////////////////////////////////// legacy static functions for farmesh
+GenElement *GenElementManager::getByName(const char *name)
+{
+ for (size_t i = 0; i != m_elements.size(); i++) {
+ GenElement *elem = m_elements[i];
+ if (elem && !strcmp(elem->name.c_str(), name))
+ return elem;
+ }
+ return NULL;
+}
-s16 Mapgen::find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision) {
- //just need to return something
- s16 level = 5;
- return level;
+GenElement *GenElementManager::getByName(std::string &name)
+{
+ return getByName(name.c_str());
}
-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);
+GenElement *GenElementManager::update(u32 id, GenElement *elem)
+{
+ if (id >= m_elements.size())
+ return NULL;
- return (sandnoise > 0.15);
+ GenElement *old_elem = m_elements[id];
+ m_elements[id] = elem;
+ return old_elem;
}
-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);
+GenElement *GenElementManager::remove(u32 id)
+{
+ return update(id, NULL);
}
projects / minetest.git / blobdiff