/*
Minetest
-Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
+Copyright (C) 2014-2017 paramat
+Copyright (C) 2014-2016 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
#include "content_sao.h"
#include "nodedef.h"
#include "voxelalgorithms.h"
-#include "profiler.h"
+//#include "profiler.h" // For TimeTaker
#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}
+ {"caverns", MGV5_CAVERNS},
+ {NULL, 0}
};
-MapgenV5::MapgenV5(int mapgenid, MapgenParams *params, EmergeManager *emerge)
- : Mapgen(mapgenid, params, emerge)
+MapgenV5::MapgenV5(int mapgenid, MapgenV5Params *params, EmergeManager *emerge)
+ : MapgenBasic(mapgenid, params, emerge)
{
- this->m_emerge = emerge;
- this->bmgr = emerge->biomemgr;
-
- // 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 + 2);
-
- this->biomemap = new u8[csize.X * csize.Z];
- this->heightmap = new s16[csize.X * csize.Z];
-
- MapgenV5Params *sp = (MapgenV5Params *)params->sparams;
- this->spflags = sp->spflags;
+ spflags = params->spflags;
+ cave_width = params->cave_width;
+ large_cave_depth = params->large_cave_depth;
+ lava_depth = params->lava_depth;
+ cavern_limit = params->cavern_limit;
+ cavern_taper = params->cavern_taper;
+ cavern_threshold = params->cavern_threshold;
// 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);
+ noise_filler_depth = new Noise(¶ms->np_filler_depth, seed, csize.X, csize.Z);
+ noise_factor = new Noise(¶ms->np_factor, seed, csize.X, csize.Z);
+ noise_height = new Noise(¶ms->np_height, seed, csize.X, csize.Z);
// 3D terrain noise
- noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 2, csize.Z);
- noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 2, csize.Z);
- noise_ground = new Noise(&sp->np_ground, seed, csize.X, csize.Y + 2, csize.Z);
- noise_crumble = new Noise(&sp->np_crumble, seed, csize.X, csize.Y + 2, csize.Z);
- noise_wetness = new Noise(&sp->np_wetness, seed, csize.X, csize.Y + 2, csize.Z);
-
- // Biome noise
- noise_heat = new Noise(¶ms->np_biome_heat, seed, csize.X, csize.Z);
- noise_humidity = new Noise(¶ms->np_biome_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;
+ // 1-up 1-down overgeneration
+ noise_ground = new Noise(¶ms->np_ground, seed, csize.X, csize.Y + 2, csize.Z);
+ // 1 down overgeneration
+ MapgenBasic::np_cave1 = params->np_cave1;
+ MapgenBasic::np_cave2 = params->np_cave2;
+ MapgenBasic::np_cavern = params->np_cavern;
}
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;
-
np_filler_depth = NoiseParams(0, 1, v3f(150, 150, 150), 261, 4, 0.7, 2.0);
np_factor = NoiseParams(0, 1, v3f(250, 250, 250), 920381, 3, 0.45, 2.0);
np_height = NoiseParams(0, 10, v3f(250, 250, 250), 84174, 4, 0.5, 2.0);
- np_cave1 = NoiseParams(0, 6, v3f(50, 50, 50), 52534, 4, 0.5, 2.0, NOISE_FLAG_EASED);
- np_cave2 = NoiseParams(0, 6, v3f(50, 50, 50), 10325, 4, 0.5, 2.0, NOISE_FLAG_EASED);
np_ground = NoiseParams(0, 40, v3f(80, 80, 80), 983240, 4, 0.55, 2.0, NOISE_FLAG_EASED);
- np_crumble = NoiseParams(0, 1, v3f(20, 20, 20), 34413, 3, 1.3, 2.0, NOISE_FLAG_EASED);
- np_wetness = NoiseParams(0, 1, v3f(40, 40, 40), 32474, 4, 1.1, 2.0);
+ np_cave1 = NoiseParams(0, 12, v3f(50, 50, 50), 52534, 4, 0.5, 2.0);
+ np_cave2 = NoiseParams(0, 12, v3f(50, 50, 50), 10325, 4, 0.5, 2.0);
+ np_cavern = NoiseParams(0, 1, v3f(384, 128, 384), 723, 5, 0.63, 2.0);
}
-// Current caves noise scale default is 6 to compensate for new eased 3d noise amplitude
-
-// 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
-//#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 code
-
-
-void MapgenV5Params::readParams(Settings *settings)
+void MapgenV5Params::readParams(const Settings *settings)
{
- settings->getFlagStrNoEx("mgv5_spflags", spflags, flagdesc_mapgen_v5);
+ settings->getFlagStrNoEx("mgv5_spflags", spflags, flagdesc_mapgen_v5);
+ settings->getFloatNoEx("mgv5_cave_width", cave_width);
+ settings->getS16NoEx("mgv5_large_cave_depth", large_cave_depth);
+ settings->getS16NoEx("mgv5_lava_depth", lava_depth);
+ settings->getS16NoEx("mgv5_cavern_limit", cavern_limit);
+ settings->getS16NoEx("mgv5_cavern_taper", cavern_taper);
+ settings->getFloatNoEx("mgv5_cavern_threshold", cavern_threshold);
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_ground", np_ground);
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);
+ settings->getNoiseParams("mgv5_np_cavern", np_cavern);
}
-void MapgenV5Params::writeParams(Settings *settings)
+void MapgenV5Params::writeParams(Settings *settings) const
{
- settings->setFlagStr("mgv5_spflags", spflags, flagdesc_mapgen_v5, (u32)-1);
+ settings->setFlagStr("mgv5_spflags", spflags, flagdesc_mapgen_v5, U32_MAX);
+ settings->setFloat("mgv5_cave_width", cave_width);
+ settings->setS16("mgv5_large_cave_depth", large_cave_depth);
+ settings->setS16("mgv5_lava_depth", lava_depth);
+ settings->setS16("mgv5_cavern_limit", cavern_limit);
+ settings->setS16("mgv5_cavern_taper", cavern_taper);
+ settings->setFloat("mgv5_cavern_threshold", cavern_threshold);
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_ground", np_ground);
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);
+ settings->setNoiseParams("mgv5_np_cavern", np_cavern);
}
-int MapgenV5::getGroundLevelAtPoint(v2s16 p)
+int MapgenV5::getSpawnLevelAtPoint(v2s16 p)
{
- //TimeTaker t("getGroundLevelAtPoint", NULL, PRECISION_MICRO);
float f = 0.55 + NoisePerlin2D(&noise_factor->np, p.X, p.Y, seed);
- if(f < 0.01)
+ if (f < 0.01)
f = 0.01;
- else if(f >= 1.0)
+ else if (f >= 1.0)
f *= 1.6;
- float h = water_level + NoisePerlin2D(&noise_height->np, p.X, p.Y, seed);
+ float h = NoisePerlin2D(&noise_height->np, p.X, p.Y, seed);
- s16 search_top = water_level + 15;
- s16 search_base = water_level;
- // Use these 2 lines instead for a slower search returning highest ground level
- //s16 search_top = h + f * noise_ground->np->octaves * noise_ground->np->scale;
- //s16 search_base = h - f * noise_ground->np->octaves * noise_ground->np->scale;
+ // noise_height 'offset' is the average level of terrain. At least 50% of
+ // terrain will be below this.
+ // Raising the maximum spawn level above 'water_level + 16' is necessary
+ // for when noise_height 'offset' is set much higher than water_level.
+ s16 max_spawn_y = MYMAX(noise_height->np.offset, water_level + 16);
- s16 level = -31000;
- for (s16 y = search_top; y >= search_base; y--) {
+ // Starting spawn search at max_spawn_y + 128 ensures 128 nodes of open
+ // space above spawn position. Avoids spawning in possibly sealed voids.
+ for (s16 y = max_spawn_y + 128; y >= water_level; y--) {
float n_ground = NoisePerlin3D(&noise_ground->np, p.X, y, p.Y, seed);
- if(n_ground * f > y - h) {
- if(y >= search_top - 7)
- break;
- else
- level = y;
- break;
+
+ if (n_ground * f > y - h) { // If solid
+ if (y < water_level || y > max_spawn_y)
+ return MAX_MAP_GENERATION_LIMIT; // Unsuitable spawn point
+
+ // y + 2 because y is surface and due to biome 'dust' nodes.
+ return y + 2;
}
}
-
- //printf("getGroundLevelAtPoint: %dus\n", t.stop());
- return level;
+ // Unsuitable spawn position, no ground found
+ return MAX_MAP_GENERATION_LIMIT;
}
void MapgenV5::makeChunk(BlockMakeData *data)
{
+ // Pre-conditions
assert(data->vmanip);
assert(data->nodedef);
assert(data->blockpos_requested.X >= data->blockpos_min.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;
+ this->generating = true;
+ this->vm = data->vmanip;
+ this->ndef = data->nodedef;
//TimeTaker t("makeChunk");
v3s16 blockpos_min = data->blockpos_min;
// Create a block-specific seed
blockseed = getBlockSeed2(full_node_min, seed);
- // Make some noise
- calculateNoise();
-
// Generate base terrain
s16 stone_surface_max_y = generateBaseTerrain();
+ // Create heightmap
updateHeightmap(node_min, node_max);
- // Generate underground dirt, sand, gravel and lava blobs
- if (spflags & MGV5_BLOBS) {
- generateBlobs();
+ // Init biome generator, place biome-specific nodes, and build biomemap
+ biomegen->calcBiomeNoise(node_min);
+
+ MgStoneType mgstone_type;
+ content_t biome_stone;
+ generateBiomes(&mgstone_type, &biome_stone, water_level - 1);
+
+ // Generate caverns, tunnels and classic caves
+ if (flags & MG_CAVES) {
+ bool near_cavern = false;
+ // Generate caverns
+ if (spflags & MGV5_CAVERNS)
+ near_cavern = generateCaverns(stone_surface_max_y);
+ // Generate tunnels and classic caves
+ if (near_cavern)
+ // Disable classic caves in this mapchunk by setting
+ // 'large cave depth' to world base. Avoids excessive liquid in
+ // large caverns and floating blobs of overgenerated liquid.
+ generateCaves(stone_surface_max_y, -MAX_MAP_GENERATION_LIMIT);
+ else
+ generateCaves(stone_surface_max_y, large_cave_depth);
}
- // Calculate biomes
- bmgr->calcBiomes(csize.X, csize.Z, noise_heat->result,
- noise_humidity->result, heightmap, biomemap);
-
- // Actually place the biome-specific nodes
- generateBiomes();
-
// Generate dungeons and desert temples
- if ((flags & MG_DUNGEONS) && (stone_surface_max_y >= node_min.Y)) {
- DungeonGen dgen(this, NULL);
- dgen.generate(blockseed, full_node_min, full_node_max);
- }
+ if (flags & MG_DUNGEONS)
+ generateDungeons(stone_surface_max_y, mgstone_type, biome_stone);
// Generate the registered decorations
- m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
+ if (flags & MG_DECORATIONS)
+ m_emerge->decomgr->placeAllDecos(this, blockseed,
+ node_min, node_max, water_level - 1);
// Generate the registered ores
- m_emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max);
+ m_emerge->oremgr->placeAllOres(this, blockseed,
+ node_min, node_max, water_level - 1);
// Sprinkle some dust on top after everything else was generated
dustTopNodes();
updateLiquid(&data->transforming_liquid, full_node_min, full_node_max);
// Calculate lighting
- if (flags & MG_LIGHT)
- calcLighting(node_min - v3s16(0, 1, 0), node_max + v3s16(0, 1, 0));
-
- this->generating = false;
-}
-
-
-void MapgenV5::calculateNoise()
-{
- //TimeTaker t("calculateNoise", NULL, PRECISION_MICRO);
- int x = node_min.X;
- int y = node_min.Y - 1;
- int z = node_min.Z;
-
- noise_filler_depth->perlinMap2D(x, z);
- noise_factor->perlinMap2D(x, z);
- noise_height->perlinMap2D(x, z);
-
- noise_cave1->perlinMap3D(x, y, z);
- noise_cave2->perlinMap3D(x, y, z);
- noise_ground->perlinMap3D(x, y, z);
-
- if (spflags & MGV5_BLOBS) {
- noise_crumble->perlinMap3D(x, y, z);
- noise_wetness->perlinMap3D(x, y, z);
+ if (flags & MG_LIGHT) {
+ calcLighting(node_min - v3s16(0, 1, 0), node_max + v3s16(0, 1, 0),
+ full_node_min, full_node_max);
}
- noise_heat->perlinMap2D(x, z);
- noise_humidity->perlinMap2D(x, z);
-
- //printf("calculateNoise: %dus\n", t.stop());
+ this->generating = false;
}
-//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
int MapgenV5::generateBaseTerrain()
{
u32 index = 0;
u32 index2d = 0;
- int stone_surface_max_y = -MAP_GENERATION_LIMIT;
+ int stone_surface_max_y = -MAX_MAP_GENERATION_LIMIT;
+
+ noise_factor->perlinMap2D(node_min.X, node_min.Z);
+ noise_height->perlinMap2D(node_min.X, node_min.Z);
+ noise_ground->perlinMap3D(node_min.X, node_min.Y - 1, node_min.Z);
- for(s16 z=node_min.Z; z<=node_max.Z; z++) {
- for(s16 y=node_min.Y - 1; y<=node_max.Y + 1; 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)
+ for (s16 z=node_min.Z; z<=node_max.Z; z++) {
+ for (s16 y=node_min.Y - 1; y<=node_max.Y + 1; y++) {
+ u32 vi = vm->m_area.index(node_min.X, y, z);
+ for (s16 x=node_min.X; x<=node_max.X; x++, vi++, index++, index2d++) {
+ if (vm->m_data[vi].getContent() != CONTENT_IGNORE)
continue;
float f = 0.55 + noise_factor->result[index2d];
- if(f < 0.01)
+ if (f < 0.01)
f = 0.01;
- else if(f >= 1.0)
+ 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]);
+ float h = noise_height->result[index2d];
- if(noise_ground->result[index] * f < y - h) {
- if(y <= water_level)
- vm->m_data[i] = MapNode(c_water_source);
+ if (noise_ground->result[index] * f < y - h) {
+ if (y <= water_level)
+ vm->m_data[vi] = 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);
+ vm->m_data[vi] = MapNode(CONTENT_AIR);
} else {
- vm->m_data[i] = MapNode(c_stone);
+ vm->m_data[vi] = MapNode(c_stone);
if (y > stone_surface_max_y)
stone_surface_max_y = y;
}
}
- index2d = index2d - ystride;
+ index2d -= ystride;
}
- index2d = index2d + ystride;
+ index2d += ystride;
}
return stone_surface_max_y;
}
-
-
-// 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 - 1; y<=node_max.Y + 1; 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 = (Biome *)bmgr->get(biomemap[index]);
- s16 dfiller = biome->depth_filler + noise_filler_depth->result[index];
- s16 y0_top = biome->depth_top;
- s16 y0_filler = biome->depth_top + dfiller;
- s16 shore_max = water_level + biome->height_shore;
- s16 depth_water_top = biome->depth_water_top;
-
- 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();
- bool is_replaceable_content =
- c == c_stone || c == c_dirt_with_grass || c == c_dirt ||
- c == c_sand || c == c_lava_source || c == c_gravel;
-
- if (is_replaceable_content && have_air) {
- content_t c_below = vm->m_data[i - em.X].getContent();
-
- if (c_below != CONTENT_AIR) {
- if (nplaced < y0_top) {
- if(y < water_level)
- vm->m_data[i] = MapNode(biome->c_underwater);
- else if(y <= shore_max)
- vm->m_data[i] = MapNode(biome->c_shore_top);
- else
- vm->m_data[i] = MapNode(biome->c_top);
- nplaced++;
- } else if (nplaced < y0_filler && nplaced >= y0_top) {
- if(y < water_level)
- vm->m_data[i] = MapNode(biome->c_underwater);
- else if(y <= shore_max)
- vm->m_data[i] = MapNode(biome->c_shore_filler);
- else
- vm->m_data[i] = MapNode(biome->c_filler);
- nplaced++;
- } else if (c == c_stone) {
- have_air = false;
- nplaced = 0;
- vm->m_data[i] = MapNode(biome->c_stone);
- } else {
- have_air = false;
- nplaced = 0;
- }
- } else if (c == c_stone) {
- have_air = false;
- nplaced = 0;
- vm->m_data[i] = MapNode(biome->c_stone);
- }
- } else if (c == c_stone) {
- have_air = false;
- nplaced = 0;
- vm->m_data[i] = MapNode(biome->c_stone);
- } else if (c == c_water_source) {
- have_air = true;
- nplaced = 0;
- if(y > water_level - depth_water_top)
- vm->m_data[i] = MapNode(biome->c_water_top);
- else
- 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 = (Biome *)bmgr->get(biomemap[index]);
-
- if (biome->c_dust == CONTENT_IGNORE)
- continue;
-
- s16 y = node_max.Y + 1;
- 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 (!ndef->get(c).buildable_to && c != CONTENT_IGNORE
- && c != biome->c_dust) {
- if (y == node_max.Y + 1)
- continue;
-
- vm->m_area.add_y(em, vi, 1);
- vm->m_data[vi] = MapNode(biome->c_dust);
- }
- }
-}
-
projects / dragonfireclient.git / blobdiff