51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include <cmath>
#include "mapgen.h"
#include "voxel.h"
#include "noise.h"
#include "serialization.h"
#include "util/serialize.h"
#include "util/numeric.h"
+#include "util/directiontables.h"
#include "filesys.h"
#include "log.h"
#include "mapgen_carpathian.h"
//// Built-in mapgens
////
+// Order used here defines the order of appearence in mainmenu.
+// v6 always last to discourage selection.
+// Special mapgens flat, fractal, singlenode, next to last. Of these, singlenode
+// last to discourage selection.
+// Of the remaining, v5 last due to age, v7 first due to being the default.
+// The order of 'enum MapgenType' in mapgen.h must match this order.
static MapgenDesc g_reg_mapgens[] = {
- {"v5", true},
- {"v6", true},
{"v7", true},
+ {"valleys", true},
+ {"carpathian", true},
+ {"v5", true},
{"flat", true},
{"fractal", true},
- {"valleys", true},
{"singlenode", true},
- {"carpathian", true},
+ {"v6", true},
};
STATIC_ASSERT(
}
-Mapgen *Mapgen::createMapgen(MapgenType mgtype, int mgid,
- MapgenParams *params, EmergeManager *emerge)
+Mapgen *Mapgen::createMapgen(MapgenType mgtype, MapgenParams *params,
+ EmergeManager *emerge)
{
switch (mgtype) {
case MAPGEN_CARPATHIAN:
- return new MapgenCarpathian(mgid, (MapgenCarpathianParams *)params, emerge);
+ return new MapgenCarpathian((MapgenCarpathianParams *)params, emerge);
case MAPGEN_FLAT:
- return new MapgenFlat(mgid, (MapgenFlatParams *)params, emerge);
+ return new MapgenFlat((MapgenFlatParams *)params, emerge);
case MAPGEN_FRACTAL:
- return new MapgenFractal(mgid, (MapgenFractalParams *)params, emerge);
+ return new MapgenFractal((MapgenFractalParams *)params, emerge);
case MAPGEN_SINGLENODE:
- return new MapgenSinglenode(mgid, (MapgenSinglenodeParams *)params, emerge);
+ return new MapgenSinglenode((MapgenSinglenodeParams *)params, emerge);
case MAPGEN_V5:
- return new MapgenV5(mgid, (MapgenV5Params *)params, emerge);
+ return new MapgenV5((MapgenV5Params *)params, emerge);
case MAPGEN_V6:
- return new MapgenV6(mgid, (MapgenV6Params *)params, emerge);
+ return new MapgenV6((MapgenV6Params *)params, emerge);
case MAPGEN_V7:
- return new MapgenV7(mgid, (MapgenV7Params *)params, emerge);
+ return new MapgenV7((MapgenV7Params *)params, emerge);
case MAPGEN_VALLEYS:
- return new MapgenValleys(mgid, (MapgenValleysParams *)params, emerge);
+ return new MapgenValleys((MapgenValleysParams *)params, emerge);
default:
- return NULL;
+ return nullptr;
}
}
case MAPGEN_VALLEYS:
return new MapgenValleysParams;
default:
- return NULL;
+ return nullptr;
}
}
void Mapgen::setLighting(u8 light, v3s16 nmin, v3s16 nmax)
{
- ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
+ ScopeProfiler sp(g_profiler, "EmergeThread: update lighting", SPT_AVG);
VoxelArea a(nmin, nmax);
for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) {
}
-void Mapgen::lightSpread(VoxelArea &a, v3s16 p, u8 light)
+void Mapgen::lightSpread(VoxelArea &a, std::queue<std::pair<v3s16, u8>> &queue,
+ const v3s16 &p, u8 light)
{
if (light <= 1 || !a.contains(p))
return;
// Bail out only if we have no more light from either bank to propogate, or
// we hit a solid block that light cannot pass through.
if ((light_day <= (n.param1 & 0x0F) &&
- light_night <= (n.param1 & 0xF0)) ||
- !ndef->get(n).light_propagates)
+ light_night <= (n.param1 & 0xF0)) ||
+ !ndef->get(n).light_propagates)
return;
// Since this recursive function only terminates when there is no light from
n.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);
+ // add to queue
+ queue.emplace(p, light);
}
void Mapgen::calcLighting(v3s16 nmin, v3s16 nmax, v3s16 full_nmin, v3s16 full_nmax,
bool propagate_shadow)
{
- ScopeProfiler sp(g_profiler, "EmergeThread: mapgen lighting update", SPT_AVG);
+ ScopeProfiler sp(g_profiler, "EmergeThread: update lighting", SPT_AVG);
//TimeTaker t("updateLighting");
propagateSunlight(nmin, nmax, propagate_shadow);
}
-void Mapgen::spreadLight(v3s16 nmin, v3s16 nmax)
+void Mapgen::spreadLight(const v3s16 &nmin, const v3s16 &nmax)
{
//TimeTaker t("spreadLight");
+ std::queue<std::pair<v3s16, u8>> queue;
VoxelArea a(nmin, nmax);
for (int z = a.MinEdge.Z; z <= a.MaxEdge.Z; z++) {
u8 light = n.param1;
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);
+ const v3s16 p(x, y, z);
+ // spread to all 6 neighbor nodes
+ for (const auto &dir : g_6dirs)
+ lightSpread(a, queue, p + dir, light);
}
}
}
}
- //printf("spreadLight: %dms\n", t.stop());
+ while (!queue.empty()) {
+ const auto &i = queue.front();
+ // spread to all 6 neighbor nodes
+ for (const auto &dir : g_6dirs)
+ lightSpread(a, queue, i.first + dir, i.second);
+ queue.pop();
+ }
+
+ //printf("spreadLight: %lums\n", t.stop());
}
this->heightmap = new s16[csize.X * csize.Z];
//// Initialize biome generator
- // TODO(hmmmm): should we have a way to disable biomemanager biomes?
biomegen = m_bmgr->createBiomeGen(BIOMEGEN_ORIGINAL, params->bparams, csize);
biomemap = biomegen->biomemap;
//// Look up some commonly used content
c_stone = ndef->getId("mapgen_stone");
- c_desert_stone = ndef->getId("mapgen_desert_stone");
- c_sandstone = ndef->getId("mapgen_sandstone");
c_water_source = ndef->getId("mapgen_water_source");
c_river_water_source = ndef->getId("mapgen_river_water_source");
c_lava_source = ndef->getId("mapgen_lava_source");
+ c_cobble = ndef->getId("mapgen_cobble");
- // Fall back to more basic content if not defined
- // river_water_source cannot fallback to water_source because river water
- // needs to be non-renewable and have a short flow range.
- if (c_desert_stone == CONTENT_IGNORE)
- c_desert_stone = c_stone;
- if (c_sandstone == CONTENT_IGNORE)
- c_sandstone = c_stone;
-
- //// Content used for dungeon generation
- c_cobble = ndef->getId("mapgen_cobble");
- c_mossycobble = ndef->getId("mapgen_mossycobble");
- c_stair_cobble = ndef->getId("mapgen_stair_cobble");
- c_stair_desert_stone = ndef->getId("mapgen_stair_desert_stone");
- c_sandstonebrick = ndef->getId("mapgen_sandstonebrick");
- c_stair_sandstone_block = ndef->getId("mapgen_stair_sandstone_block");
-
- // Fall back to more basic content if not defined
- if (c_mossycobble == CONTENT_IGNORE)
- c_mossycobble = c_cobble;
- if (c_stair_cobble == CONTENT_IGNORE)
- c_stair_cobble = c_cobble;
- if (c_stair_desert_stone == CONTENT_IGNORE)
- c_stair_desert_stone = c_desert_stone;
- if (c_sandstonebrick == CONTENT_IGNORE)
- c_sandstonebrick = c_sandstone;
- if (c_stair_sandstone_block == CONTENT_IGNORE)
- c_stair_sandstone_block = c_sandstonebrick;
+ // Fall back to more basic content if not defined.
+ // Lava falls back to water as both are suitable as cave liquids.
+ if (c_lava_source == CONTENT_IGNORE)
+ c_lava_source = c_water_source;
}
for (s16 z = node_min.Z; z <= node_max.Z; z++)
for (s16 x = node_min.X; x <= node_max.X; x++, index++) {
Biome *biome = NULL;
+ biome_t water_biome_index = 0;
u16 depth_top = 0;
u16 base_filler = 0;
u16 depth_water_top = 0;
if (biomemap[index] == BIOME_NONE && is_stone_surface)
biomemap[index] = biome->index;
+ // Store biome of first water surface detected, as a fallback
+ // entry for the biomemap.
+ if (water_biome_index == 0 && is_water_surface)
+ water_biome_index = biome->index;
+
depth_top = biome->depth_top;
base_filler = MYMAX(depth_top +
biome->depth_filler +
VoxelArea::add_y(em, vi, -1);
}
+ // If no stone surface detected in mapchunk column and a water surface
+ // biome fallback exists, add it to the biomemap. This avoids water
+ // surface decorations failing in deep water.
+ if (biomemap[index] == BIOME_NONE && water_biome_index != 0)
+ biomemap[index] = water_biome_index;
}
}
if (max_stone_y < node_min.Y)
return;
- // Get biome at mapchunk midpoint
- v3s16 chunk_mid = node_min + (node_max - node_min) / v3s16(2, 2, 2);
- Biome *biome = (Biome *)biomegen->getBiomeAtPoint(chunk_mid);
+ u16 num_dungeons = std::fmax(std::floor(
+ NoisePerlin3D(&np_dungeons, node_min.X, node_min.Y, node_min.Z, seed)), 0.0f);
+ if (num_dungeons == 0)
+ return;
+
+ PseudoRandom ps(blockseed + 70033);
DungeonParams dp;
- dp.seed = seed;
- dp.only_in_ground = true;
- dp.corridor_len_min = 1;
- dp.corridor_len_max = 13;
- dp.rooms_min = 2;
- dp.rooms_max = 16;
+ dp.np_alt_wall =
+ NoiseParams(-0.4, 1.0, v3f(40.0, 40.0, 40.0), 32474, 6, 1.1, 2.0);
+
+ dp.seed = seed;
+ dp.num_dungeons = num_dungeons;
+ dp.only_in_ground = true;
+ dp.num_rooms = ps.range(2, 16);
+ dp.room_size_min = v3s16(6, 5, 6);
+ dp.room_size_max = v3s16(10, 6, 10);
+ dp.room_size_large_min = v3s16(10, 8, 10);
+ dp.room_size_large_max = v3s16(18, 16, 18);
+ dp.large_room_chance = (ps.range(1, 4) == 1) ? 1 : 0;
+ dp.holesize = v3s16(2, 3, 2);
+ dp.corridor_len_min = 1;
+ dp.corridor_len_max = 13;
+ dp.diagonal_dirs = ps.range(1, 12) == 1;
+ dp.notifytype = GENNOTIFY_DUNGEON;
- dp.np_density = nparams_dungeon_density;
- dp.np_alt_wall = nparams_dungeon_alt_wall;
+ // Get biome at mapchunk midpoint
+ v3s16 chunk_mid = node_min + (node_max - node_min) / v3s16(2, 2, 2);
+ Biome *biome = (Biome *)biomegen->getBiomeAtPoint(chunk_mid);
- // Biome-defined dungeon nodes
+ // Use biome-defined dungeon nodes if defined
if (biome->c_dungeon != CONTENT_IGNORE) {
- dp.c_wall = biome->c_dungeon;
+ dp.c_wall = biome->c_dungeon;
// If 'node_dungeon_alt' is not defined by biome, it and dp.c_alt_wall
// become CONTENT_IGNORE which skips the alt wall node placement loop in
// dungeongen.cpp.
- dp.c_alt_wall = biome->c_dungeon_alt;
+ dp.c_alt_wall = biome->c_dungeon_alt;
// Stairs fall back to 'c_dungeon' if not defined by biome
dp.c_stair = (biome->c_dungeon_stair != CONTENT_IGNORE) ?
biome->c_dungeon_stair : biome->c_dungeon;
-
- dp.diagonal_dirs = false;
- dp.holesize = v3s16(2, 2, 2);
- dp.room_size_min = v3s16(6, 4, 6);
- dp.room_size_max = v3s16(10, 6, 10);
- dp.room_size_large_min = v3s16(10, 8, 10);
- dp.room_size_large_max = v3s16(18, 16, 18);
- dp.notifytype = GENNOTIFY_DUNGEON;
-
- // Otherwise classic behaviour
- } else if (biome->c_stone == c_stone) {
- dp.c_wall = c_cobble;
- dp.c_alt_wall = c_mossycobble;
- dp.c_stair = c_stair_cobble;
-
- dp.diagonal_dirs = false;
- dp.holesize = v3s16(1, 2, 1);
- dp.room_size_min = v3s16(4, 4, 4);
- dp.room_size_max = v3s16(8, 6, 8);
- dp.room_size_large_min = v3s16(8, 8, 8);
- dp.room_size_large_max = v3s16(16, 16, 16);
- dp.notifytype = GENNOTIFY_DUNGEON;
-
- } else if (biome->c_stone == c_desert_stone) {
- dp.c_wall = c_desert_stone;
- dp.c_alt_wall = CONTENT_IGNORE;
- dp.c_stair = c_stair_desert_stone;
-
- dp.diagonal_dirs = true;
- dp.holesize = v3s16(2, 3, 2);
- dp.room_size_min = v3s16(6, 9, 6);
- dp.room_size_max = v3s16(10, 11, 10);
- dp.room_size_large_min = v3s16(10, 13, 10);
- dp.room_size_large_max = v3s16(18, 21, 18);
- dp.notifytype = GENNOTIFY_TEMPLE;
-
- } else if (biome->c_stone == c_sandstone) {
- dp.c_wall = c_sandstonebrick;
- dp.c_alt_wall = CONTENT_IGNORE;
- dp.c_stair = c_stair_sandstone_block;
-
- dp.diagonal_dirs = false;
- dp.holesize = v3s16(2, 2, 2);
- dp.room_size_min = v3s16(6, 4, 6);
- dp.room_size_max = v3s16(10, 6, 10);
- dp.room_size_large_min = v3s16(10, 8, 10);
- dp.room_size_large_max = v3s16(18, 16, 18);
- dp.notifytype = GENNOTIFY_DUNGEON;
-
- // Fallback to using biome 'node_stone'
+ // Fallback to using cobble mapgen alias if defined
+ } else if (c_cobble != CONTENT_IGNORE) {
+ dp.c_wall = c_cobble;
+ dp.c_alt_wall = CONTENT_IGNORE;
+ dp.c_stair = c_cobble;
+ // Fallback to using biome-defined stone
} else {
- dp.c_wall = biome->c_stone;
- dp.c_alt_wall = CONTENT_IGNORE;
- dp.c_stair = biome->c_stone;
-
- dp.diagonal_dirs = false;
- dp.holesize = v3s16(2, 2, 2);
- dp.room_size_min = v3s16(6, 4, 6);
- dp.room_size_max = v3s16(10, 6, 10);
- dp.room_size_large_min = v3s16(10, 8, 10);
- dp.room_size_large_max = v3s16(18, 16, 18);
- dp.notifytype = GENNOTIFY_DUNGEON;
+ dp.c_wall = biome->c_stone;
+ dp.c_alt_wall = CONTENT_IGNORE;
+ dp.c_stair = biome->c_stone;
}
DungeonGen dgen(ndef, &gennotify, &dp);
projects / dragonfireclient.git / blobdiff