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Diffstat (limited to 'src/mapgen_flat.cpp')
| -rw-r--r-- | src/mapgen_flat.cpp | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/src/mapgen_flat.cpp b/src/mapgen_flat.cpp deleted file mode 100644 index 57c20d470..000000000 --- a/src/mapgen_flat.cpp +++ /dev/null @@ -1,274 +0,0 @@ -/* -Minetest -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 -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" // For TimeTaker -#include "settings.h" // For g_settings -#include "emerge.h" -#include "dungeongen.h" -#include "cavegen.h" -#include "mg_biome.h" -#include "mg_ore.h" -#include "mg_decoration.h" -#include "mapgen_flat.h" - - -FlagDesc flagdesc_mapgen_flat[] = { - {"lakes", MGFLAT_LAKES}, - {"hills", MGFLAT_HILLS}, - {NULL, 0} -}; - -/////////////////////////////////////////////////////////////////////////////////////// - - -MapgenFlat::MapgenFlat(int mapgenid, MapgenFlatParams *params, EmergeManager *emerge) - : MapgenBasic(mapgenid, params, emerge) -{ - 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_filler_depth; - - if ((spflags & MGFLAT_LAKES) || (spflags & MGFLAT_HILLS)) - delete noise_terrain; -} - - -MapgenFlatParams::MapgenFlatParams(): - np_terrain (0, 1, v3f(600, 600, 600), 7244, 5, 0.6, 2.0), - np_filler_depth (0, 1.2, v3f(150, 150, 150), 261, 3, 0.7, 2.0), - np_cave1 (0, 12, v3f(61, 61, 61), 52534, 3, 0.5, 2.0), - np_cave2 (0, 12, v3f(67, 67, 67), 10325, 3, 0.5, 2.0) -{ -} - - -void MapgenFlatParams::readParams(const Settings *settings) -{ - 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->getFloatNoEx("mgflat_hill_threshold", hill_threshold); - settings->getFloatNoEx("mgflat_hill_steepness", hill_steepness); - - settings->getNoiseParams("mgflat_np_terrain", np_terrain); - settings->getNoiseParams("mgflat_np_filler_depth", np_filler_depth); - settings->getNoiseParams("mgflat_np_cave1", np_cave1); - settings->getNoiseParams("mgflat_np_cave2", np_cave2); -} - - -void MapgenFlatParams::writeParams(Settings *settings) const -{ - 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); - settings->setFloat("mgflat_hill_threshold", hill_threshold); - settings->setFloat("mgflat_hill_steepness", hill_steepness); - - settings->setNoiseParams("mgflat_np_terrain", np_terrain); - settings->setNoiseParams("mgflat_np_filler_depth", np_filler_depth); - settings->setNoiseParams("mgflat_np_cave1", np_cave1); - settings->setNoiseParams("mgflat_np_cave2", np_cave2); -} - - -///////////////////////////////////////////////////////////////// - - -int MapgenFlat::getSpawnLevelAtPoint(v2s16 p) -{ - s16 level_at_point = ground_level; - 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 - - (lake_threshold - n_terrain) * lake_steepness; - } else if ((spflags & MGFLAT_HILLS) && n_terrain > hill_threshold) { - level_at_point = ground_level + - (n_terrain - hill_threshold) * hill_steepness; - } - - if (ground_level < water_level) // Ocean world, allow spawn in water - return MYMAX(level_at_point, water_level); - - if (level_at_point > water_level) - return level_at_point; // Spawn on land - - return MAX_MAP_GENERATION_LIMIT; // Unsuitable spawn point -} - - -void MapgenFlat::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_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); - - this->generating = true; - this->vm = data->vmanip; - this->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); - - blockseed = getBlockSeed2(full_node_min, seed); - - // Generate base terrain, mountains, and ridges with initial heightmaps - s16 stone_surface_max_y = generateTerrain(); - - // Create heightmap - updateHeightmap(node_min, node_max); - - // 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); - - if (flags & MG_CAVES) - generateCaves(stone_surface_max_y, large_cave_depth); - - 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); - - // Generate the registered ores - m_emerge->oremgr->placeAllOres(this, blockseed, node_min, node_max); - - // Sprinkle some dust on top after everything else was generated - dustTopNodes(); - - //printf("makeChunk: %dms\n", t.stop()); - - updateLiquid(&data->transforming_liquid, full_node_min, full_node_max); - - if (flags & MG_LIGHT) - calcLighting(node_min - v3s16(0, 1, 0), node_max + v3s16(0, 1, 0), - full_node_min, full_node_max); - - //setLighting(node_min - v3s16(1, 0, 1) * MAP_BLOCKSIZE, - // node_max + v3s16(1, 0, 1) * MAP_BLOCKSIZE, 0xFF); - - this->generating = false; -} - - -s16 MapgenFlat::generateTerrain() -{ - MapNode n_air(CONTENT_AIR); - MapNode n_stone(c_stone); - MapNode n_water(c_water_source); - - 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 = use_noise ? noise_terrain->result[ni2d] : 0.0f; - - if ((spflags & MGFLAT_LAKES) && n_terrain < lake_threshold) { - s16 depress = (lake_threshold - n_terrain) * lake_steepness; - stone_level = ground_level - depress; - } else if ((spflags & MGFLAT_HILLS) && n_terrain > hill_threshold) { - s16 rise = (n_terrain - hill_threshold) * hill_steepness; - stone_level = ground_level + rise; - } - - u32 vi = vm->m_area.index(x, node_min.Y - 1, z); - for (s16 y = node_min.Y - 1; y <= node_max.Y + 1; y++) { - if (vm->m_data[vi].getContent() == CONTENT_IGNORE) { - if (y <= stone_level) { - vm->m_data[vi] = n_stone; - if (y > stone_surface_max_y) - stone_surface_max_y = y; - } else if (y <= water_level) { - vm->m_data[vi] = n_water; - } else { - vm->m_data[vi] = n_air; - } - } - vm->m_area.add_y(em, vi, 1); - } - } - - return stone_surface_max_y; -} |