mirror of
https://github.com/moparisthebest/minetest
synced 2024-11-16 14:25:19 -05:00
336 lines
8.0 KiB
C++
336 lines
8.0 KiB
C++
/*
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Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MAPGEN_HEADER
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#define MAPGEN_HEADER
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#include "irrlichttypes_bloated.h"
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#include "util/container.h" // UniqueQueue
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#include "gamedef.h"
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#include "nodedef.h"
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#include "mapnode.h"
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#include "noise.h"
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#include "settings.h"
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#define DEFAULT_MAPGEN "v6"
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/////////////////// Mapgen flags
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#define MG_TREES 0x01
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#define MG_CAVES 0x02
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#define MG_DUNGEONS 0x04
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#define MG_FLAT 0x08
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#define MG_LIGHT 0x10
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/////////////////// Ore generation flags
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// Use absolute value of height to determine ore placement
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#define OREFLAG_ABSHEIGHT 0x01
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// Use 3d noise to get density of ore placement, instead of just the position
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#define OREFLAG_DENSITY 0x02 // not yet implemented
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// For claylike ore types, place ore if the number of surrounding
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// nodes isn't the specified node
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#define OREFLAG_NODEISNT 0x04 // not yet implemented
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/////////////////// Decoration flags
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#define DECO_PLACE_CENTER_X 1
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#define DECO_PLACE_CENTER_Y 2
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#define DECO_PLACE_CENTER_Z 4
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#define ORE_RANGE_ACTUAL 1
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#define ORE_RANGE_MIRROR 2
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#define NUM_GEN_NOTIFY 6
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extern FlagDesc flagdesc_mapgen[];
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extern FlagDesc flagdesc_ore[];
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extern FlagDesc flagdesc_deco_schematic[];
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extern FlagDesc flagdesc_gennotify[];
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class BiomeDefManager;
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class Biome;
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class EmergeManager;
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class MapBlock;
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class ManualMapVoxelManipulator;
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class VoxelManipulator;
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struct BlockMakeData;
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class VoxelArea;
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class Map;
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enum MapgenObject {
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MGOBJ_VMANIP,
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MGOBJ_HEIGHTMAP,
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MGOBJ_BIOMEMAP,
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MGOBJ_HEATMAP,
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MGOBJ_HUMIDMAP,
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MGOBJ_GENNOTIFY
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};
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enum GenNotify {
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GENNOTIFY_DUNGEON,
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GENNOTIFY_TEMPLE,
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GENNOTIFY_CAVE_BEGIN,
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GENNOTIFY_CAVE_END,
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GENNOTIFY_LARGECAVE_BEGIN,
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GENNOTIFY_LARGECAVE_END
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};
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enum OreType {
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ORE_SCATTER,
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ORE_SHEET,
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ORE_CLAYLIKE
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};
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struct MapgenSpecificParams {
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virtual void readParams(Settings *settings) = 0;
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virtual void writeParams(Settings *settings) = 0;
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virtual ~MapgenSpecificParams() {}
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};
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struct MapgenParams {
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std::string mg_name;
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s16 chunksize;
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u64 seed;
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s16 water_level;
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u32 flags;
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MapgenSpecificParams *sparams;
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MapgenParams() {
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mg_name = DEFAULT_MAPGEN;
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seed = 0;
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water_level = 1;
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chunksize = 5;
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flags = MG_TREES | MG_CAVES | MG_LIGHT;
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sparams = NULL;
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}
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};
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class Mapgen {
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public:
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int seed;
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int water_level;
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bool generating;
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int id;
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ManualMapVoxelManipulator *vm;
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INodeDefManager *ndef;
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s16 *heightmap;
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u8 *biomemap;
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v3s16 csize;
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u32 gennotify;
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std::vector<v3s16> *gen_notifications[NUM_GEN_NOTIFY];
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Mapgen();
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virtual ~Mapgen();
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s16 findGroundLevelFull(v2s16 p2d);
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s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax);
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void updateHeightmap(v3s16 nmin, v3s16 nmax);
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void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
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void setLighting(v3s16 nmin, v3s16 nmax, u8 light);
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void lightSpread(VoxelArea &a, v3s16 p, u8 light);
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void calcLighting(v3s16 nmin, v3s16 nmax);
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void calcLightingOld(v3s16 nmin, v3s16 nmax);
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virtual void makeChunk(BlockMakeData *data) {}
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virtual int getGroundLevelAtPoint(v2s16 p) { return 0; }
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};
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struct MapgenFactory {
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virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
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EmergeManager *emerge) = 0;
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virtual MapgenSpecificParams *createMapgenParams() = 0;
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virtual ~MapgenFactory() {}
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};
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class Ore {
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public:
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std::string ore_name;
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std::vector<std::string> wherein_names;
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content_t ore;
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std::vector<content_t> wherein; // the node to be replaced
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u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
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s16 clust_num_ores; // how many ore nodes are in a chunk
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s16 clust_size; // how large (in nodes) a chunk of ore is
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s16 height_min;
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s16 height_max;
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u8 ore_param2; // to set node-specific attributes
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u32 flags; // attributes for this ore
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float nthresh; // threshhold for noise at which an ore is placed
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NoiseParams *np; // noise for distribution of clusters (NULL for uniform scattering)
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Noise *noise;
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Ore() {
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ore = CONTENT_IGNORE;
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np = NULL;
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noise = NULL;
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}
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virtual ~Ore();
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void resolveNodeNames(INodeDefManager *ndef);
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void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
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virtual void generate(ManualMapVoxelManipulator *vm, int seed,
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u32 blockseed, v3s16 nmin, v3s16 nmax) = 0;
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};
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class OreScatter : public Ore {
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~OreScatter() {}
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virtual void generate(ManualMapVoxelManipulator *vm, int seed,
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u32 blockseed, v3s16 nmin, v3s16 nmax);
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};
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class OreSheet : public Ore {
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~OreSheet() {}
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virtual void generate(ManualMapVoxelManipulator *vm, int seed,
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u32 blockseed, v3s16 nmin, v3s16 nmax);
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};
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Ore *createOre(OreType type);
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enum DecorationType {
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DECO_SIMPLE = 1,
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DECO_SCHEMATIC,
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DECO_LSYSTEM
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};
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#if 0
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struct CutoffData {
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VoxelArea a;
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Decoration *deco;
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//v3s16 p;
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//v3s16 size;
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//s16 height;
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CutoffData(s16 x, s16 y, s16 z, s16 h) {
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p = v3s16(x, y, z);
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height = h;
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}
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};
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#endif
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class Decoration {
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public:
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INodeDefManager *ndef;
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int mapseed;
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std::string place_on_name;
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content_t c_place_on;
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s16 sidelen;
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float fill_ratio;
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NoiseParams *np;
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std::set<u8> biomes;
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//std::list<CutoffData> cutoffs;
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//JMutex cutoff_mutex;
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Decoration();
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virtual ~Decoration();
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virtual void resolveNodeNames(INodeDefManager *ndef);
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void placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
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void placeCutoffs(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
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virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p) = 0;
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virtual int getHeight() = 0;
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virtual std::string getName() = 0;
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};
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class DecoSimple : public Decoration {
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public:
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std::string deco_name;
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std::string spawnby_name;
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content_t c_deco;
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content_t c_spawnby;
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s16 deco_height;
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s16 deco_height_max;
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s16 nspawnby;
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std::vector<std::string> decolist_names;
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std::vector<content_t> c_decolist;
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~DecoSimple() {}
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void resolveNodeNames(INodeDefManager *ndef);
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virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
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virtual int getHeight();
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virtual std::string getName();
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};
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#define MTSCHEM_FILE_SIGNATURE 0x4d54534d // 'MTSM'
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#define MTSCHEM_FILE_VER_HIGHEST_READ 3
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#define MTSCHEM_FILE_VER_HIGHEST_WRITE 3
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#define MTSCHEM_PROB_NEVER 0x00
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#define MTSCHEM_PROB_ALWAYS 0xFF
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class DecoSchematic : public Decoration {
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public:
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std::string filename;
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std::vector<std::string> *node_names;
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std::vector<content_t> c_nodes;
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std::map<std::string, std::string> replacements;
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u32 flags;
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Rotation rotation;
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v3s16 size;
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MapNode *schematic;
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u8 *slice_probs;
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DecoSchematic();
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~DecoSchematic();
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void resolveNodeNames(INodeDefManager *ndef);
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virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
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virtual int getHeight();
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virtual std::string getName();
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void blitToVManip(v3s16 p, ManualMapVoxelManipulator *vm,
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Rotation rot, bool force_placement);
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bool loadSchematicFile();
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void saveSchematicFile(INodeDefManager *ndef);
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bool getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2);
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void placeStructure(Map *map, v3s16 p, bool force_placement);
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void applyProbabilities(v3s16 p0,
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std::vector<std::pair<v3s16, u8> > *plist,
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std::vector<std::pair<s16, u8> > *splist);
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};
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void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount,
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std::vector<content_t> *usednodes);
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/*
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class DecoLSystem : public Decoration {
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public:
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virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
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};
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*/
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Decoration *createDecoration(DecorationType type);
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#endif
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