Add mgv5. New noise code, uses biome API. Eased 3d noise for terrain, caves, blobs
This commit is contained in:
paramat
RealBadAngel
parent
d0be27415e
commit
92981b2fee
|
|
@ -16,7 +16,7 @@
|
||||||
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||||
|
|
||||||
local function create_world_formspec(dialogdata)
|
local function create_world_formspec(dialogdata)
|
||||||
local mapgens = {"v6", "v7", "singlenode"}
|
local mapgens = {"v5", "v6", "v7", "singlenode"}
|
||||||
|
|
||||||
local current_seed = core.setting_get("fixed_map_seed") or ""
|
local current_seed = core.setting_get("fixed_map_seed") or ""
|
||||||
local current_mg = core.setting_get("mg_name")
|
local current_mg = core.setting_get("mg_name")
|
||||||
|
|
|
||||||
|
|
@ -407,7 +407,7 @@
|
||||||
# Mapgen stuff
|
# Mapgen stuff
|
||||||
#
|
#
|
||||||
|
|
||||||
# Name of map generator to be used. Currently supported: v6, v7, singlenode
|
# Name of map generator to be used. Currently supported: v5, v6, v7, singlenode
|
||||||
#mg_name = v6
|
#mg_name = v6
|
||||||
# Water level of map.
|
# Water level of map.
|
||||||
#water_level = 1
|
#water_level = 1
|
||||||
|
|
@ -424,6 +424,16 @@
|
||||||
#mgv6_freq_beach = 0.15
|
#mgv6_freq_beach = 0.15
|
||||||
# Perlin noise attributes for different map generation parameters
|
# Perlin noise attributes for different map generation parameters
|
||||||
# Offset, scale, spread factor, seed offset, number of octaves, persistence
|
# Offset, scale, spread factor, seed offset, number of octaves, persistence
|
||||||
|
|
||||||
|
#mgv5_np_filler_depth = 0, 1, (150, 150, 150), 261, 4, 0.7
|
||||||
|
#mgv5_np_factor = 0, 1, (250, 250, 250), 920381, 3, 0.45
|
||||||
|
#mgv5_np_height = 0, 10, (250, 250, 250), 84174, 4, 0.5
|
||||||
|
#mgv5_np_cave1 = 0, 7.5, (50, 50, 50), 52534, 4, 0.5
|
||||||
|
#mgv5_np_cave2 = 0, 7.5, (50, 50, 50), 10325, 4, 0.5
|
||||||
|
#mgv5_np_ground = 0, 40, (80, 80, 80), 983240, 4, 0.55
|
||||||
|
#mgv5_np_crumble = 0, 1, (20, 20, 20), 34413, 3, 1.3
|
||||||
|
#mgv5_np_wetness = 0, 1, (40, 40, 40), 32474, 4, 1.1
|
||||||
|
|
||||||
#mgv6_np_terrain_base = -4, 20, (250, 250, 250), 82341, 5, 0.6
|
#mgv6_np_terrain_base = -4, 20, (250, 250, 250), 82341, 5, 0.6
|
||||||
#mgv6_np_terrain_higher = 20, 16, (500, 500, 500), 85039, 5, 0.6
|
#mgv6_np_terrain_higher = 20, 16, (500, 500, 500), 85039, 5, 0.6
|
||||||
#mgv6_np_steepness = 0.85, 0.5, (125, 125, 125), -932, 5, 0.7
|
#mgv6_np_steepness = 0.85, 0.5, (125, 125, 125), -932, 5, 0.7
|
||||||
|
|
|
||||||
|
|
@ -368,6 +368,7 @@ set(common_SRCS
|
||||||
mapblock.cpp
|
mapblock.cpp
|
||||||
mapgen.cpp
|
mapgen.cpp
|
||||||
mapgen_singlenode.cpp
|
mapgen_singlenode.cpp
|
||||||
|
mapgen_v5.cpp
|
||||||
mapgen_v6.cpp
|
mapgen_v6.cpp
|
||||||
mapgen_v7.cpp
|
mapgen_v7.cpp
|
||||||
mapnode.cpp
|
mapnode.cpp
|
||||||
|
|
|
||||||
|
|
@ -42,6 +42,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
|
||||||
#include "mg_biome.h"
|
#include "mg_biome.h"
|
||||||
#include "mg_decoration.h"
|
#include "mg_decoration.h"
|
||||||
#include "mg_ore.h"
|
#include "mg_ore.h"
|
||||||
|
#include "mapgen_v5.h"
|
||||||
#include "mapgen_v6.h"
|
#include "mapgen_v6.h"
|
||||||
#include "mapgen_v7.h"
|
#include "mapgen_v7.h"
|
||||||
#include "mapgen_singlenode.h"
|
#include "mapgen_singlenode.h"
|
||||||
|
|
@ -82,6 +83,7 @@ public:
|
||||||
|
|
||||||
EmergeManager::EmergeManager(IGameDef *gamedef) {
|
EmergeManager::EmergeManager(IGameDef *gamedef) {
|
||||||
//register built-in mapgens
|
//register built-in mapgens
|
||||||
|
registerMapgen("v5", new MapgenFactoryV5());
|
||||||
registerMapgen("v6", new MapgenFactoryV6());
|
registerMapgen("v6", new MapgenFactoryV6());
|
||||||
registerMapgen("v7", new MapgenFactoryV7());
|
registerMapgen("v7", new MapgenFactoryV7());
|
||||||
registerMapgen("singlenode", new MapgenFactorySinglenode());
|
registerMapgen("singlenode", new MapgenFactorySinglenode());
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,496 @@
|
||||||
|
/*
|
||||||
|
Minetest
|
||||||
|
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
|
||||||
|
|
||||||
|
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 "mapblock.h"
|
||||||
|
#include "mapnode.h"
|
||||||
|
#include "map.h"
|
||||||
|
#include "content_sao.h"
|
||||||
|
#include "nodedef.h"
|
||||||
|
#include "voxelalgorithms.h"
|
||||||
|
#include "profiler.h"
|
||||||
|
#include "settings.h" // For g_settings
|
||||||
|
#include "main.h" // For g_profiler
|
||||||
|
#include "emerge.h"
|
||||||
|
#include "dungeongen.h"
|
||||||
|
#include "cavegen.h"
|
||||||
|
#include "treegen.h"
|
||||||
|
#include "mg_biome.h"
|
||||||
|
#include "mg_ore.h"
|
||||||
|
#include "mg_decoration.h"
|
||||||
|
#include "mapgen_v5.h"
|
||||||
|
#include "util/directiontables.h"
|
||||||
|
|
||||||
|
|
||||||
|
FlagDesc flagdesc_mapgen_v5[] = {
|
||||||
|
//{"blobs", MGV5_BLOBS},
|
||||||
|
{NULL, 0}
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
MapgenV5::MapgenV5(int mapgenid, MapgenParams *params, EmergeManager *emerge_) {
|
||||||
|
this->generating = false;
|
||||||
|
this->id = mapgenid;
|
||||||
|
this->emerge = emerge_;
|
||||||
|
this->bmgr = emerge->biomedef;
|
||||||
|
|
||||||
|
this->seed = (int)params->seed;
|
||||||
|
this->water_level = params->water_level;
|
||||||
|
this->flags = params->flags;
|
||||||
|
this->gennotify = emerge->gennotify;
|
||||||
|
|
||||||
|
this->csize = v3s16(1, 1, 1) * params->chunksize * MAP_BLOCKSIZE;
|
||||||
|
|
||||||
|
// amount of elements to skip for the next index
|
||||||
|
// for noise/height/biome maps (not vmanip)
|
||||||
|
this->ystride = csize.X;
|
||||||
|
this->zstride = csize.X * csize.Y;
|
||||||
|
|
||||||
|
this->biomemap = new u8[csize.X * csize.Z];
|
||||||
|
this->heightmap = new s16[csize.X * csize.Z];
|
||||||
|
|
||||||
|
MapgenV5Params *sp = (MapgenV5Params *)params->sparams;
|
||||||
|
|
||||||
|
// Terrain noise
|
||||||
|
noise_filler_depth = new Noise(&sp->np_filler_depth, seed, csize.X, csize.Z);
|
||||||
|
noise_factor = new Noise(&sp->np_factor, seed, csize.X, csize.Z);
|
||||||
|
noise_height = new Noise(&sp->np_height, seed, csize.X, csize.Z);
|
||||||
|
|
||||||
|
// 3D terrain noise
|
||||||
|
noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y, csize.Z);
|
||||||
|
noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y, csize.Z);
|
||||||
|
noise_ground = new Noise(&sp->np_ground, seed, csize.X, csize.Y, csize.Z);
|
||||||
|
noise_crumble = new Noise(&sp->np_crumble, seed, csize.X, csize.Y, csize.Z);
|
||||||
|
noise_wetness = new Noise(&sp->np_wetness, seed, csize.X, csize.Y, csize.Z);
|
||||||
|
|
||||||
|
// Biome noise
|
||||||
|
noise_heat = new Noise(bmgr->np_heat, seed, csize.X, csize.Z);
|
||||||
|
noise_humidity = new Noise(bmgr->np_humidity, seed, csize.X, csize.Z);
|
||||||
|
|
||||||
|
//// Resolve nodes to be used
|
||||||
|
INodeDefManager *ndef = emerge->ndef;
|
||||||
|
|
||||||
|
c_stone = ndef->getId("mapgen_stone");
|
||||||
|
c_dirt = ndef->getId("mapgen_dirt");
|
||||||
|
c_dirt_with_grass = ndef->getId("mapgen_dirt_with_grass");
|
||||||
|
c_sand = ndef->getId("mapgen_sand");
|
||||||
|
c_water_source = ndef->getId("mapgen_water_source");
|
||||||
|
c_lava_source = ndef->getId("mapgen_lava_source");
|
||||||
|
c_gravel = ndef->getId("mapgen_gravel");
|
||||||
|
c_cobble = ndef->getId("mapgen_cobble");
|
||||||
|
c_ice = ndef->getId("default:ice");
|
||||||
|
c_mossycobble = ndef->getId("mapgen_mossycobble");
|
||||||
|
c_sandbrick = ndef->getId("mapgen_sandstonebrick");
|
||||||
|
c_stair_cobble = ndef->getId("mapgen_stair_cobble");
|
||||||
|
c_stair_sandstone = ndef->getId("mapgen_stair_sandstone");
|
||||||
|
if (c_ice == CONTENT_IGNORE)
|
||||||
|
c_ice = CONTENT_AIR;
|
||||||
|
if (c_mossycobble == CONTENT_IGNORE)
|
||||||
|
c_mossycobble = c_cobble;
|
||||||
|
if (c_sandbrick == CONTENT_IGNORE)
|
||||||
|
c_sandbrick = c_desert_stone;
|
||||||
|
if (c_stair_cobble == CONTENT_IGNORE)
|
||||||
|
c_stair_cobble = c_cobble;
|
||||||
|
if (c_stair_sandstone == CONTENT_IGNORE)
|
||||||
|
c_stair_sandstone = c_sandbrick;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
MapgenV5::~MapgenV5() {
|
||||||
|
delete noise_filler_depth;
|
||||||
|
delete noise_factor;
|
||||||
|
delete noise_height;
|
||||||
|
delete noise_cave1;
|
||||||
|
delete noise_cave2;
|
||||||
|
delete noise_ground;
|
||||||
|
delete noise_crumble;
|
||||||
|
delete noise_wetness;
|
||||||
|
|
||||||
|
delete noise_heat;
|
||||||
|
delete noise_humidity;
|
||||||
|
|
||||||
|
delete[] heightmap;
|
||||||
|
delete[] biomemap;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
MapgenV5Params::MapgenV5Params() {
|
||||||
|
//spflags = MGV5_BLOBS;
|
||||||
|
spflags = 0;
|
||||||
|
|
||||||
|
np_filler_depth = NoiseParams(0, 1, v3f(150, 150, 150), 261, 4, 0.7);
|
||||||
|
np_factor = NoiseParams(0, 1, v3f(250, 250, 250), 920381, 3, 0.45);
|
||||||
|
np_height = NoiseParams(0, 10, v3f(250, 250, 250), 84174, 4, 0.5);
|
||||||
|
np_cave1 = NoiseParams(0, 7.5, v3f(50, 50, 50), 52534, 4, 0.5);
|
||||||
|
np_cave2 = NoiseParams(0, 7.5, v3f(50, 50, 50), 10325, 4, 0.5);
|
||||||
|
np_ground = NoiseParams(0, 40, v3f(80, 80, 80), 983240, 4, 0.55);
|
||||||
|
np_crumble = NoiseParams(0, 1, v3f(20, 20, 20), 34413, 3, 1.3);
|
||||||
|
np_wetness = NoiseParams(0, 1, v3f(40, 40, 40), 32474, 4, 1.1);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// Scaling the output of the noise function affects the overdrive of the
|
||||||
|
// contour function, which affects the shape of the output considerably.
|
||||||
|
|
||||||
|
//#define CAVE_NOISE_SCALE 12.0 < original default
|
||||||
|
//#define CAVE_NOISE_SCALE 10.0
|
||||||
|
//#define CAVE_NOISE_SCALE 7.5 < current default to compensate for new eased 3d noise
|
||||||
|
//#define CAVE_NOISE_SCALE 5.0
|
||||||
|
//#define CAVE_NOISE_SCALE 1.0
|
||||||
|
|
||||||
|
//#define CAVE_NOISE_THRESHOLD (2.5/CAVE_NOISE_SCALE)
|
||||||
|
//#define CAVE_NOISE_THRESHOLD (1.5/CAVE_NOISE_SCALE) < original and current default
|
||||||
|
|
||||||
|
|
||||||
|
void MapgenV5Params::readParams(Settings *settings) {
|
||||||
|
settings->getFlagStrNoEx("mgv5_spflags", spflags, flagdesc_mapgen_v5);
|
||||||
|
|
||||||
|
settings->getNoiseParams("mgv5_np_filler_depth", np_filler_depth);
|
||||||
|
settings->getNoiseParams("mgv5_np_factor", np_factor);
|
||||||
|
settings->getNoiseParams("mgv5_np_height", np_height);
|
||||||
|
settings->getNoiseParams("mgv5_np_cave1", np_cave1);
|
||||||
|
settings->getNoiseParams("mgv5_np_cave2", np_cave2);
|
||||||
|
settings->getNoiseParams("mgv5_np_ground", np_ground);
|
||||||
|
settings->getNoiseParams("mgv5_np_crumble", np_crumble);
|
||||||
|
settings->getNoiseParams("mgv5_np_wetness", np_wetness);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void MapgenV5Params::writeParams(Settings *settings) {
|
||||||
|
settings->setFlagStr("mgv5_spflags", spflags, flagdesc_mapgen_v5, (u32)-1);
|
||||||
|
|
||||||
|
settings->setNoiseParams("mgv5_np_filler_depth", np_filler_depth);
|
||||||
|
settings->setNoiseParams("mgv5_np_factor", np_factor);
|
||||||
|
settings->setNoiseParams("mgv5_np_height", np_height);
|
||||||
|
settings->setNoiseParams("mgv5_np_cave1", np_cave1);
|
||||||
|
settings->setNoiseParams("mgv5_np_cave2", np_cave2);
|
||||||
|
settings->setNoiseParams("mgv5_np_ground", np_ground);
|
||||||
|
settings->setNoiseParams("mgv5_np_crumble", np_crumble);
|
||||||
|
settings->setNoiseParams("mgv5_np_wetness", np_wetness);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void MapgenV5::makeChunk(BlockMakeData *data) {
|
||||||
|
assert(data->vmanip);
|
||||||
|
assert(data->nodedef);
|
||||||
|
assert(data->blockpos_requested.X >= data->blockpos_min.X &&
|
||||||
|
data->blockpos_requested.Y >= data->blockpos_min.Y &&
|
||||||
|
data->blockpos_requested.Z >= data->blockpos_min.Z);
|
||||||
|
assert(data->blockpos_requested.X <= data->blockpos_max.X &&
|
||||||
|
data->blockpos_requested.Y <= data->blockpos_max.Y &&
|
||||||
|
data->blockpos_requested.Z <= data->blockpos_max.Z);
|
||||||
|
|
||||||
|
generating = true;
|
||||||
|
vm = data->vmanip;
|
||||||
|
ndef = data->nodedef;
|
||||||
|
//TimeTaker t("makeChunk");
|
||||||
|
|
||||||
|
v3s16 blockpos_min = data->blockpos_min;
|
||||||
|
v3s16 blockpos_max = data->blockpos_max;
|
||||||
|
node_min = blockpos_min * MAP_BLOCKSIZE;
|
||||||
|
node_max = (blockpos_max + v3s16(1, 1, 1)) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
|
||||||
|
full_node_min = (blockpos_min - 1) * MAP_BLOCKSIZE;
|
||||||
|
full_node_max = (blockpos_max + 2) * MAP_BLOCKSIZE - v3s16(1, 1, 1);
|
||||||
|
|
||||||
|
// Create a block-specific seed
|
||||||
|
blockseed = emerge->getBlockSeed(full_node_min); //////use getBlockSeed2()!
|
||||||
|
|
||||||
|
// Make some noise
|
||||||
|
calculateNoise();
|
||||||
|
|
||||||
|
// Generate base terrain
|
||||||
|
generateBaseTerrain();
|
||||||
|
updateHeightmap(node_min, node_max);
|
||||||
|
|
||||||
|
// Generate underground dirt, sand, gravel and lava blobs
|
||||||
|
//if (spflags & MGV5_BLOBS) {
|
||||||
|
generateBlobs();
|
||||||
|
//}
|
||||||
|
|
||||||
|
// Calculate biomes
|
||||||
|
BiomeNoiseInput binput;
|
||||||
|
binput.mapsize = v2s16(csize.X, csize.Z);
|
||||||
|
binput.heat_map = noise_heat->result;
|
||||||
|
binput.humidity_map = noise_humidity->result;
|
||||||
|
binput.height_map = heightmap;
|
||||||
|
bmgr->calcBiomes(&binput, biomemap);
|
||||||
|
|
||||||
|
// Actually place the biome-specific nodes
|
||||||
|
generateBiomes();
|
||||||
|
|
||||||
|
// Generate dungeons and desert temples
|
||||||
|
if (flags & MG_DUNGEONS) {
|
||||||
|
DungeonGen dgen(this, NULL);
|
||||||
|
dgen.generate(blockseed, full_node_min, full_node_max);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Generate the registered decorations
|
||||||
|
for (size_t i = 0; i != emerge->decorations.size(); i++) {
|
||||||
|
Decoration *deco = emerge->decorations[i];
|
||||||
|
deco->placeDeco(this, blockseed + i, node_min, node_max);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Generate the registered ores
|
||||||
|
for (unsigned int i = 0; i != emerge->ores.size(); i++) {
|
||||||
|
Ore *ore = emerge->ores[i];
|
||||||
|
ore->placeOre(this, blockseed + i, node_min, node_max);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Sprinkle some dust on top after everything else was generated
|
||||||
|
dustTopNodes();
|
||||||
|
|
||||||
|
//printf("makeChunk: %dms\n", t.stop());
|
||||||
|
|
||||||
|
// Add top and bottom side of water to transforming_liquid queue
|
||||||
|
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
|
||||||
|
|
||||||
|
// Calculate lighting
|
||||||
|
if (flags & MG_LIGHT)
|
||||||
|
calcLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE,
|
||||||
|
node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE);
|
||||||
|
|
||||||
|
this->generating = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void MapgenV5::calculateNoise() {
|
||||||
|
//TimeTaker t("calculateNoise", NULL, PRECISION_MICRO);
|
||||||
|
int x = node_min.X;
|
||||||
|
int y = node_min.Y;
|
||||||
|
int z = node_min.Z;
|
||||||
|
|
||||||
|
noise_filler_depth->perlinMap2D(x, z);
|
||||||
|
noise_factor->perlinMap2D(x, z);
|
||||||
|
noise_height->perlinMap2D(x, z);
|
||||||
|
noise_height->transformNoiseMap();
|
||||||
|
|
||||||
|
noise_cave1->perlinMap3D(x, y, z, true);
|
||||||
|
noise_cave1->transformNoiseMap();
|
||||||
|
noise_cave2->perlinMap3D(x, y, z, true);
|
||||||
|
noise_cave2->transformNoiseMap();
|
||||||
|
noise_ground->perlinMap3D(x, y, z, true);
|
||||||
|
noise_ground->transformNoiseMap();
|
||||||
|
|
||||||
|
//if (spflags & MGV5_BLOBS) {
|
||||||
|
noise_crumble->perlinMap3D(x, y, z, true);
|
||||||
|
noise_wetness->perlinMap3D(x, y, z, false);
|
||||||
|
//}
|
||||||
|
|
||||||
|
noise_heat->perlinMap2D(x, z);
|
||||||
|
noise_humidity->perlinMap2D(x, z);
|
||||||
|
|
||||||
|
//printf("calculateNoise: %dus\n", t.stop());
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
//bool is_cave(u32 index) {
|
||||||
|
// double d1 = contour(noise_cave1->result[index]);
|
||||||
|
// double d2 = contour(noise_cave2->result[index]);
|
||||||
|
// return d1*d2 > CAVE_NOISE_THRESHOLD;
|
||||||
|
//}
|
||||||
|
|
||||||
|
|
||||||
|
//bool val_is_ground(v3s16 p, u32 index, u32 index2d) {
|
||||||
|
// double f = 0.55 + noise_factor->result[index2d];
|
||||||
|
// if(f < 0.01)
|
||||||
|
// f = 0.01;
|
||||||
|
// else if(f >= 1.0)
|
||||||
|
// f *= 1.6;
|
||||||
|
// double h = WATER_LEVEL + 10 * noise_height->result[index2d];
|
||||||
|
// return (noise_ground->result[index] * f > (double)p.Y - h);
|
||||||
|
//}
|
||||||
|
|
||||||
|
|
||||||
|
// Make base ground level
|
||||||
|
void MapgenV5::generateBaseTerrain() {
|
||||||
|
u32 index = 0;
|
||||||
|
u32 index2d = 0;
|
||||||
|
|
||||||
|
for(s16 z=node_min.Z; z<=node_max.Z; z++) {
|
||||||
|
for(s16 y=node_min.Y; y<=node_max.Y; y++) {
|
||||||
|
u32 i = vm->m_area.index(node_min.X, y, z);
|
||||||
|
for(s16 x=node_min.X; x<=node_max.X; x++, i++, index++, index2d++) {
|
||||||
|
if(vm->m_data[i].getContent() != CONTENT_IGNORE)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
float f = 0.55 + noise_factor->result[index2d];
|
||||||
|
if(f < 0.01)
|
||||||
|
f = 0.01;
|
||||||
|
else if(f >= 1.0)
|
||||||
|
f *= 1.6;
|
||||||
|
float h = water_level + noise_height->result[index2d];
|
||||||
|
float d1 = contour(noise_cave1->result[index]);
|
||||||
|
float d2 = contour(noise_cave2->result[index]);
|
||||||
|
if(noise_ground->result[index] * f < y - h) {
|
||||||
|
if(y <= water_level)
|
||||||
|
vm->m_data[i] = MapNode(c_water_source);
|
||||||
|
else
|
||||||
|
vm->m_data[i] = MapNode(CONTENT_AIR);
|
||||||
|
} else if(d1*d2 > 0.2) {
|
||||||
|
vm->m_data[i] = MapNode(CONTENT_AIR);
|
||||||
|
} else {
|
||||||
|
vm->m_data[i] = MapNode(c_stone);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
index2d = index2d - ystride;
|
||||||
|
}
|
||||||
|
index2d = index2d + ystride;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// Add mud and sand and others underground (in place of stone)
|
||||||
|
void MapgenV5::generateBlobs() {
|
||||||
|
u32 index = 0;
|
||||||
|
|
||||||
|
for(s16 z=node_min.Z; z<=node_max.Z; z++) {
|
||||||
|
for(s16 y=node_min.Y; y<=node_max.Y; y++) {
|
||||||
|
u32 i = vm->m_area.index(node_min.X, y, z);
|
||||||
|
for(s16 x=node_min.X; x<=node_max.X; x++, i++, index++) {
|
||||||
|
content_t c = vm->m_data[i].getContent();
|
||||||
|
if(c != c_stone)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
if(noise_crumble->result[index] > 1.3) {
|
||||||
|
if(noise_wetness->result[index] > 0.0)
|
||||||
|
vm->m_data[i] = MapNode(c_dirt);
|
||||||
|
else
|
||||||
|
vm->m_data[i] = MapNode(c_sand);
|
||||||
|
} else if(noise_crumble->result[index] > 0.7) {
|
||||||
|
if(noise_wetness->result[index] < -0.6)
|
||||||
|
vm->m_data[i] = MapNode(c_gravel);
|
||||||
|
} else if(noise_crumble->result[index] < -3.5 +
|
||||||
|
MYMIN(0.1 *
|
||||||
|
sqrt((float)MYMAX(0, -y)), 1.5)) {
|
||||||
|
vm->m_data[i] = MapNode(c_lava_source);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void MapgenV5::generateBiomes() {
|
||||||
|
if (node_max.Y < water_level)
|
||||||
|
return;
|
||||||
|
|
||||||
|
MapNode n_air(CONTENT_AIR);
|
||||||
|
MapNode n_stone(c_stone);
|
||||||
|
MapNode n_water(c_water_source);
|
||||||
|
|
||||||
|
v3s16 em = vm->m_area.getExtent();
|
||||||
|
u32 index = 0;
|
||||||
|
|
||||||
|
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 = bmgr->biomes[biomemap[index]];
|
||||||
|
s16 dfiller = biome->depth_filler + noise_filler_depth->result[index];
|
||||||
|
s16 y0_top = biome->depth_top;
|
||||||
|
s16 y0_filler = biome->depth_filler + biome->depth_top + dfiller;
|
||||||
|
|
||||||
|
s16 nplaced = 0;
|
||||||
|
u32 i = vm->m_area.index(x, node_max.Y, z);
|
||||||
|
|
||||||
|
content_t c_above = vm->m_data[i + em.X].getContent();
|
||||||
|
bool have_air = c_above == CONTENT_AIR;
|
||||||
|
|
||||||
|
for (s16 y = node_max.Y; y >= node_min.Y; y--) {
|
||||||
|
content_t c = vm->m_data[i].getContent();
|
||||||
|
if ((c == c_stone || c == c_dirt_with_grass
|
||||||
|
|| c == c_dirt
|
||||||
|
|| c == c_sand
|
||||||
|
|| c == c_lava_source
|
||||||
|
|| c == c_gravel) && have_air) {
|
||||||
|
content_t c_below = vm->m_data[i - em.X].getContent();
|
||||||
|
|
||||||
|
if (c_below != CONTENT_AIR) {
|
||||||
|
if (nplaced < y0_top) {
|
||||||
|
// A hack to prevent dirt_with_grass from being
|
||||||
|
// placed below water. TODO: fix later
|
||||||
|
content_t c_place = ((y < water_level) &&
|
||||||
|
(biome->c_top ==
|
||||||
|
c_dirt_with_grass)) ?
|
||||||
|
c_dirt : biome->c_top;
|
||||||
|
|
||||||
|
vm->m_data[i] = MapNode(c_place);
|
||||||
|
nplaced++;
|
||||||
|
} else if (nplaced < y0_filler && nplaced >= y0_top) {
|
||||||
|
vm->m_data[i] = MapNode(biome->c_filler);
|
||||||
|
nplaced++;
|
||||||
|
} else {
|
||||||
|
have_air = false;
|
||||||
|
nplaced = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
} else if (c == c_water_source) {
|
||||||
|
have_air = true;
|
||||||
|
nplaced = 0;
|
||||||
|
vm->m_data[i] = MapNode(biome->c_water);
|
||||||
|
} else if (c == CONTENT_AIR) {
|
||||||
|
have_air = true;
|
||||||
|
nplaced = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
vm->m_area.add_y(em, i, -1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void MapgenV5::dustTopNodes() {
|
||||||
|
v3s16 em = vm->m_area.getExtent();
|
||||||
|
u32 index = 0;
|
||||||
|
|
||||||
|
if (water_level > node_max.Y)
|
||||||
|
return;
|
||||||
|
|
||||||
|
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 = bmgr->biomes[biomemap[index]];
|
||||||
|
|
||||||
|
if (biome->c_dust == CONTENT_IGNORE)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
s16 y = node_max.Y;
|
||||||
|
u32 vi = vm->m_area.index(x, y, z);
|
||||||
|
for (; y >= node_min.Y; y--) {
|
||||||
|
if (vm->m_data[vi].getContent() != CONTENT_AIR)
|
||||||
|
break;
|
||||||
|
|
||||||
|
vm->m_area.add_y(em, vi, -1);
|
||||||
|
}
|
||||||
|
|
||||||
|
content_t c = vm->m_data[vi].getContent();
|
||||||
|
if (c == biome->c_water && biome->c_dust_water != CONTENT_IGNORE) {
|
||||||
|
if (y < node_min.Y)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
vm->m_data[vi] = MapNode(biome->c_dust_water);
|
||||||
|
} else if (!ndef->get(c).buildable_to && c != CONTENT_IGNORE) {
|
||||||
|
if (y == node_max.Y)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
vm->m_area.add_y(em, vi, 1);
|
||||||
|
vm->m_data[vi] = MapNode(biome->c_dust);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
@ -0,0 +1,115 @@
|
||||||
|
/*
|
||||||
|
Minetest
|
||||||
|
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
|
||||||
|
|
||||||
|
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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef MAPGEN_V5_HEADER
|
||||||
|
#define MAPGEN_V5_HEADER
|
||||||
|
|
||||||
|
#include "mapgen.h"
|
||||||
|
|
||||||
|
/////////////////// Mapgen V5 flags
|
||||||
|
//#define MGV5_BLOBS 0x01
|
||||||
|
|
||||||
|
extern FlagDesc flagdesc_mapgen_v5[];
|
||||||
|
|
||||||
|
|
||||||
|
struct MapgenV5Params : public MapgenSpecificParams {
|
||||||
|
u32 spflags;
|
||||||
|
NoiseParams np_filler_depth;
|
||||||
|
NoiseParams np_factor;
|
||||||
|
NoiseParams np_height;
|
||||||
|
NoiseParams np_cave1;
|
||||||
|
NoiseParams np_cave2;
|
||||||
|
NoiseParams np_ground;
|
||||||
|
NoiseParams np_crumble;
|
||||||
|
NoiseParams np_wetness;
|
||||||
|
|
||||||
|
MapgenV5Params();
|
||||||
|
~MapgenV5Params() {}
|
||||||
|
|
||||||
|
void readParams(Settings *settings);
|
||||||
|
void writeParams(Settings *settings);
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
class MapgenV5 : public Mapgen {
|
||||||
|
public:
|
||||||
|
EmergeManager *emerge;
|
||||||
|
BiomeDefManager *bmgr;
|
||||||
|
|
||||||
|
int ystride;
|
||||||
|
int zstride;
|
||||||
|
u32 flags;
|
||||||
|
u32 spflags;
|
||||||
|
|
||||||
|
u32 blockseed;
|
||||||
|
v3s16 node_min;
|
||||||
|
v3s16 node_max;
|
||||||
|
v3s16 full_node_min;
|
||||||
|
v3s16 full_node_max;
|
||||||
|
|
||||||
|
Noise *noise_filler_depth;
|
||||||
|
Noise *noise_factor;
|
||||||
|
Noise *noise_height;
|
||||||
|
Noise *noise_cave1;
|
||||||
|
Noise *noise_cave2;
|
||||||
|
Noise *noise_ground;
|
||||||
|
Noise *noise_crumble;
|
||||||
|
Noise *noise_wetness;
|
||||||
|
Noise *noise_heat;
|
||||||
|
Noise *noise_humidity;
|
||||||
|
|
||||||
|
content_t c_stone;
|
||||||
|
content_t c_dirt;
|
||||||
|
content_t c_dirt_with_grass;
|
||||||
|
content_t c_sand;
|
||||||
|
content_t c_water_source;
|
||||||
|
content_t c_lava_source;
|
||||||
|
content_t c_ice;
|
||||||
|
content_t c_gravel;
|
||||||
|
content_t c_cobble;
|
||||||
|
content_t c_desert_sand;
|
||||||
|
content_t c_desert_stone;
|
||||||
|
content_t c_mossycobble;
|
||||||
|
content_t c_sandbrick;
|
||||||
|
content_t c_stair_cobble;
|
||||||
|
content_t c_stair_sandstone;
|
||||||
|
|
||||||
|
MapgenV5(int mapgenid, MapgenParams *params, EmergeManager *emerge_);
|
||||||
|
~MapgenV5();
|
||||||
|
|
||||||
|
virtual void makeChunk(BlockMakeData *data);
|
||||||
|
void calculateNoise();
|
||||||
|
void generateBaseTerrain();
|
||||||
|
void generateBlobs();
|
||||||
|
void generateBiomes();
|
||||||
|
void dustTopNodes();
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
struct MapgenFactoryV5 : public MapgenFactory {
|
||||||
|
Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) {
|
||||||
|
return new MapgenV5(mgid, params, emerge);
|
||||||
|
};
|
||||||
|
|
||||||
|
MapgenSpecificParams *createMapgenParams() {
|
||||||
|
return new MapgenV5Params();
|
||||||
|
};
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -306,7 +306,6 @@ float noise3d_perlin_abs(float x, float y, float z, int seed,
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
// -1->0, 0->1, 1->0
|
|
||||||
float contour(float v)
|
float contour(float v)
|
||||||
{
|
{
|
||||||
v = fabs(v);
|
v = fabs(v);
|
||||||
|
|
@ -653,3 +652,4 @@ void Noise::transformNoiseMap()
|
||||||
i++;
|
i++;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -152,6 +152,8 @@ inline float easeCurve(float t) {
|
||||||
return t * t * t * (t * (6.f * t - 15.f) + 10.f);
|
return t * t * t * (t * (6.f * t - 15.f) + 10.f);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
float contour(float v);
|
||||||
|
|
||||||
#define NoisePerlin2D(np, x, y, s) \
|
#define NoisePerlin2D(np, x, y, s) \
|
||||||
((np)->offset + (np)->scale * noise2d_perlin( \
|
((np)->offset + (np)->scale * noise2d_perlin( \
|
||||||
(float)(x) / (np)->spread.X, \
|
(float)(x) / (np)->spread.X, \
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue