/*
Minetest
-Copyright (C) 2010-2015 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
-Copyright (C) 2010-2015 paramat, Matt Gregory
+Copyright (C) 2015-2017 paramat
+Copyright (C) 2015-2016 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 "emerge.h"
#include "dungeongen.h"
#include "cavegen.h"
-#include "treegen.h"
#include "mg_biome.h"
#include "mg_ore.h"
#include "mg_decoration.h"
///////////////////////////////////////////////////////////////////////////////////////
-MapgenFlat::MapgenFlat(int mapgenid, MapgenParams *params, EmergeManager *emerge)
+MapgenFlat::MapgenFlat(int mapgenid, MapgenFlatParams *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;
- // 1-down overgeneration
- this->zstride_1d = csize.X * (csize.Y + 1);
-
- this->heightmap = new s16[csize.X * csize.Z];
-
- MapgenFlatParams *sp = (MapgenFlatParams *)params->sparams;
-
- this->spflags = sp->spflags;
- this->ground_level = sp->ground_level;
- this->large_cave_depth = sp->large_cave_depth;
- this->cave_width = sp->cave_width;
- this->lake_threshold = sp->lake_threshold;
- this->lake_steepness = sp->lake_steepness;
- this->hill_threshold = sp->hill_threshold;
- this->hill_steepness = sp->hill_steepness;
-
- //// 2D noise
- noise_terrain = new Noise(&sp->np_terrain, seed, csize.X, csize.Z);
- noise_filler_depth = new Noise(&sp->np_filler_depth, seed, csize.X, csize.Z);
-
- //// 3D noise
- // 1-down overgeneraion
- noise_cave1 = new Noise(&sp->np_cave1, seed, csize.X, csize.Y + 1, csize.Z);
- noise_cave2 = new Noise(&sp->np_cave2, seed, csize.X, csize.Y + 1, csize.Z);
-
- //// Initialize biome generator
- biomegen = emerge->biomemgr->createBiomeGen(
- BIOMEGEN_ORIGINAL, params->bparams, csize);
- biomemap = biomegen->biomemap;
-
- //// Resolve nodes to be used
- c_stone = ndef->getId("mapgen_stone");
- c_water_source = ndef->getId("mapgen_water_source");
- c_lava_source = ndef->getId("mapgen_lava_source");
- c_desert_stone = ndef->getId("mapgen_desert_stone");
- c_ice = ndef->getId("mapgen_ice");
- c_sandstone = ndef->getId("mapgen_sandstone");
-
- c_cobble = ndef->getId("mapgen_cobble");
- c_stair_cobble = ndef->getId("mapgen_stair_cobble");
- c_mossycobble = ndef->getId("mapgen_mossycobble");
- c_sandstonebrick = ndef->getId("mapgen_sandstonebrick");
- c_stair_sandstonebrick = ndef->getId("mapgen_stair_sandstonebrick");
-
- if (c_ice == CONTENT_IGNORE)
- c_ice = CONTENT_AIR;
- if (c_mossycobble == CONTENT_IGNORE)
- c_mossycobble = c_cobble;
- if (c_stair_cobble == CONTENT_IGNORE)
- c_stair_cobble = c_cobble;
- if (c_sandstonebrick == CONTENT_IGNORE)
- c_sandstonebrick = c_sandstone;
- if (c_stair_sandstonebrick == CONTENT_IGNORE)
- c_stair_sandstonebrick = c_sandstone;
+ spflags = params->spflags;
+ ground_level = params->ground_level;
+ large_cave_depth = params->large_cave_depth;
+ lava_depth = params->lava_depth;
+ cave_width = params->cave_width;
+ lake_threshold = params->lake_threshold;
+ lake_steepness = params->lake_steepness;
+ hill_threshold = params->hill_threshold;
+ hill_steepness = params->hill_steepness;
+
+ // 2D noise
+ noise_filler_depth = new Noise(¶ms->np_filler_depth, seed, csize.X, csize.Z);
+
+ if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS))
+ noise_terrain = new Noise(¶ms->np_terrain, seed, csize.X, csize.Z);
+ // 3D noise
+ MapgenBasic::np_cave1 = params->np_cave1;
+ MapgenBasic::np_cave2 = params->np_cave2;
}
MapgenFlat::~MapgenFlat()
{
- delete noise_terrain;
delete noise_filler_depth;
- delete noise_cave1;
- delete noise_cave2;
-
- delete biomegen;
- delete[] heightmap;
+ if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS))
+ delete noise_terrain;
}
MapgenFlatParams::MapgenFlatParams()
{
- spflags = 0;
- ground_level = 8;
- large_cave_depth = -33;
- cave_width = 0.3;
- lake_threshold = -0.45;
- lake_steepness = 48.0;
- hill_threshold = 0.45;
- hill_steepness = 64.0;
-
np_terrain = NoiseParams(0, 1, v3f(600, 600, 600), 7244, 5, 0.6, 2.0);
np_filler_depth = NoiseParams(0, 1.2, v3f(150, 150, 150), 261, 3, 0.7, 2.0);
- np_cave1 = NoiseParams(0, 12, v3f(96, 96, 96), 52534, 4, 0.5, 2.0);
- np_cave2 = NoiseParams(0, 12, v3f(96, 96, 96), 10325, 4, 0.5, 2.0);
+ np_cave1 = NoiseParams(0, 12, v3f(61, 61, 61), 52534, 3, 0.5, 2.0);
+ np_cave2 = NoiseParams(0, 12, v3f(67, 67, 67), 10325, 3, 0.5, 2.0);
}
settings->getFlagStrNoEx("mgflat_spflags", spflags, flagdesc_mapgen_flat);
settings->getS16NoEx("mgflat_ground_level", ground_level);
settings->getS16NoEx("mgflat_large_cave_depth", large_cave_depth);
+ settings->getS16NoEx("mgflat_lava_depth", lava_depth);
settings->getFloatNoEx("mgflat_cave_width", cave_width);
settings->getFloatNoEx("mgflat_lake_threshold", lake_threshold);
settings->getFloatNoEx("mgflat_lake_steepness", lake_steepness);
settings->setFlagStr("mgflat_spflags", spflags, flagdesc_mapgen_flat, U32_MAX);
settings->setS16("mgflat_ground_level", ground_level);
settings->setS16("mgflat_large_cave_depth", large_cave_depth);
+ settings->setS16("mgflat_lava_depth", lava_depth);
settings->setFloat("mgflat_cave_width", cave_width);
settings->setFloat("mgflat_lake_threshold", lake_threshold);
settings->setFloat("mgflat_lake_steepness", lake_steepness);
int MapgenFlat::getSpawnLevelAtPoint(v2s16 p)
{
s16 level_at_point = ground_level;
- float n_terrain = NoisePerlin2D(&noise_terrain->np, p.X, p.Y, seed);
+ float n_terrain = 0.0f;
+ if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS))
+ n_terrain = NoisePerlin2D(&noise_terrain->np, p.X, p.Y, seed);
if ((spflags & MGFLAT_LAKES) && n_terrain < lake_threshold) {
level_at_point = ground_level -
if (ground_level < water_level) // Ocean world, allow spawn in water
return MYMAX(level_at_point, water_level);
- else if (level_at_point > water_level)
+
+ if (level_at_point > water_level)
return level_at_point; // Spawn on land
- else
- return MAX_MAP_GENERATION_LIMIT; // Unsuitable spawn point
+
+ return MAX_MAP_GENERATION_LIMIT; // Unsuitable spawn point
}
blockseed = getBlockSeed2(full_node_min, seed);
- // Make some noise
- calculateNoise();
-
// Generate base terrain, mountains, and ridges with initial heightmaps
s16 stone_surface_max_y = generateTerrain();
// Init biome generator, place biome-specific nodes, and build biomemap
biomegen->calcBiomeNoise(node_min);
- biomegen->getBiomes(heightmap);
- MgStoneType stone_type = generateBiomes();
+
+ MgStoneType mgstone_type;
+ content_t biome_stone;
+ generateBiomes(&mgstone_type, &biome_stone, water_level - 1);
if (flags & MG_CAVES)
generateCaves(stone_surface_max_y, large_cave_depth);
- if ((flags & MG_DUNGEONS) && (stone_surface_max_y >= node_min.Y)) {
- DungeonParams dp;
-
- dp.np_rarity = nparams_dungeon_rarity;
- dp.np_density = nparams_dungeon_density;
- dp.np_wetness = nparams_dungeon_wetness;
- dp.c_water = c_water_source;
- if (stone_type == MGSTONE_STONE) {
- dp.c_cobble = c_cobble;
- dp.c_moss = c_mossycobble;
- dp.c_stair = c_stair_cobble;
-
- dp.diagonal_dirs = false;
- dp.mossratio = 3.0;
- dp.holesize = v3s16(1, 2, 1);
- dp.roomsize = v3s16(0, 0, 0);
- dp.notifytype = GENNOTIFY_DUNGEON;
- } else if (stone_type == MGSTONE_DESERT_STONE) {
- dp.c_cobble = c_desert_stone;
- dp.c_moss = c_desert_stone;
- dp.c_stair = c_desert_stone;
-
- dp.diagonal_dirs = true;
- dp.mossratio = 0.0;
- dp.holesize = v3s16(2, 3, 2);
- dp.roomsize = v3s16(2, 5, 2);
- dp.notifytype = GENNOTIFY_TEMPLE;
- } else if (stone_type == MGSTONE_SANDSTONE) {
- dp.c_cobble = c_sandstonebrick;
- dp.c_moss = c_sandstonebrick;
- dp.c_stair = c_sandstonebrick;
-
- dp.diagonal_dirs = false;
- dp.mossratio = 0.0;
- dp.holesize = v3s16(2, 2, 2);
- dp.roomsize = v3s16(2, 0, 2);
- dp.notifytype = GENNOTIFY_DUNGEON;
- }
-
- DungeonGen dgen(this, &dp);
- 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
if (flags & MG_DECORATIONS)
- m_emerge->decomgr->placeAllDecos(this, blockseed, node_min, node_max);
+ 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();
}
-void MapgenFlat::calculateNoise()
-{
- //TimeTaker t("calculateNoise", NULL, PRECISION_MICRO);
- s16 x = node_min.X;
- s16 z = node_min.Z;
-
- if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS))
- noise_terrain->perlinMap2D(x, z);
-
- // Cave noises are calculated in generateCaves()
- // only if solid terrain is present in mapchunk
-
- noise_filler_depth->perlinMap2D(x, z);
-
- //printf("calculateNoise: %dus\n", t.stop());
-}
-
-
s16 MapgenFlat::generateTerrain()
{
MapNode n_air(CONTENT_AIR);
MapNode n_stone(c_stone);
MapNode n_water(c_water_source);
- v3s16 em = vm->m_area.getExtent();
+ const v3s16 &em = vm->m_area.getExtent();
s16 stone_surface_max_y = -MAX_MAP_GENERATION_LIMIT;
u32 ni2d = 0;
+ bool use_noise = (spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS);
+ if (use_noise)
+ noise_terrain->perlinMap2D(node_min.X, node_min.Z);
+
for (s16 z = node_min.Z; z <= node_max.Z; z++)
for (s16 x = node_min.X; x <= node_max.X; x++, ni2d++) {
s16 stone_level = ground_level;
- float n_terrain = 0.0f;
-
- if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS))
- n_terrain = noise_terrain->result[ni2d];
+ float n_terrain = use_noise ? noise_terrain->result[ni2d] : 0.0f;
if ((spflags & MGFLAT_LAKES) && n_terrain < lake_threshold) {
s16 depress = (lake_threshold - n_terrain) * lake_steepness;
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