X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmapgen.h;h=47a7204bc24b9697fa0370a88b74b04b7ce3160b;hb=0a903e69fbd9b19d8d8da0593f31dec5807af566;hp=728290ffc77000317e980f83387b73c6d2d05da6;hpb=1d248cce30105a66a411d327b5400f37a35db3b9;p=minetest.git diff --git a/src/mapgen.h b/src/mapgen.h index 728290ffc..47a7204bc 100644 --- a/src/mapgen.h +++ b/src/mapgen.h @@ -1,6 +1,6 @@ /* -Minetest-c55 -Copyright (C) 2010-2011 celeron55, Perttu Ahola +Minetest +Copyright (C) 2010-2013 celeron55, Perttu Ahola 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 @@ -20,20 +20,42 @@ with this program; if not, write to the Free Software Foundation, Inc., #ifndef MAPGEN_HEADER #define MAPGEN_HEADER -#include "irrlichttypes_extrabloated.h" +#include "irrlichttypes_bloated.h" #include "util/container.h" // UniqueQueue #include "gamedef.h" +#include "nodedef.h" #include "mapnode.h" #include "noise.h" #include "settings.h" -#include /////////////////// Mapgen flags #define MG_TREES 0x01 #define MG_CAVES 0x02 #define MG_DUNGEONS 0x04 -#define MGV6_FORESTS 0x08 +#define MGV6_JUNGLES 0x08 #define MGV6_BIOME_BLEND 0x10 +#define MG_FLAT 0x20 +#define MG_NOLIGHT 0x40 +#define MGV7_MOUNTAINS 0x80 +#define MGV7_RIDGES 0x100 + +/////////////////// Ore generation flags +// Use absolute value of height to determine ore placement +#define OREFLAG_ABSHEIGHT 0x01 +// Use 3d noise to get density of ore placement, instead of just the position +#define OREFLAG_DENSITY 0x02 // not yet implemented +// For claylike ore types, place ore if the number of surrounding +// nodes isn't the specified node +#define OREFLAG_NODEISNT 0x04 // not yet implemented + +/////////////////// Decoration flags +#define DECO_PLACE_CENTER_X 1 +#define DECO_PLACE_CENTER_Y 2 +#define DECO_PLACE_CENTER_Z 4 + +extern FlagDesc flagdesc_mapgen[]; +extern FlagDesc flagdesc_ore[]; +extern FlagDesc flagdesc_deco_schematic[]; class BiomeDefManager; class Biome; @@ -41,21 +63,9 @@ class EmergeManager; class MapBlock; class ManualMapVoxelManipulator; class VoxelManipulator; -class INodeDefManager; - -struct BlockMakeData { - bool no_op; - ManualMapVoxelManipulator *vmanip; - u64 seed; - v3s16 blockpos_min; - v3s16 blockpos_max; - v3s16 blockpos_requested; - UniqueQueue transforming_liquid; - INodeDefManager *nodedef; - - BlockMakeData(); - ~BlockMakeData(); -}; +struct BlockMakeData; +class VoxelArea; +class Map; struct MapgenParams { std::string mg_name; @@ -71,9 +81,10 @@ struct MapgenParams { chunksize = 5; flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND; } - - virtual bool readParams(Settings *settings) = 0; - virtual void writeParams(Settings *settings) {}; + + virtual bool readParams(Settings *settings) { return true; } + virtual void writeParams(Settings *settings) {} + virtual ~MapgenParams() {} }; class Mapgen { @@ -82,54 +93,221 @@ class Mapgen { int water_level; bool generating; int id; + ManualMapVoxelManipulator *vm; + INodeDefManager *ndef; + + s16 *heightmap; + u8 *biomemap; + v3s16 csize; + + Mapgen(); + virtual ~Mapgen() {} - virtual void makeChunk(BlockMakeData *data) {}; - virtual int getGroundLevelAtPoint(v2s16 p) = 0; + s16 findGroundLevelFull(v2s16 p2d); + s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax); + void updateHeightmap(v3s16 nmin, v3s16 nmax); + void updateLiquid(UniqueQueue *trans_liquid, v3s16 nmin, v3s16 nmax); + void setLighting(v3s16 nmin, v3s16 nmax, u8 light); + void lightSpread(VoxelArea &a, v3s16 p, u8 light); + void calcLighting(v3s16 nmin, v3s16 nmax); + void calcLightingOld(v3s16 nmin, v3s16 nmax); - //Legacy functions for Farmesh (pending removal) - static bool get_have_beach(u64 seed, v2s16 p2d); - static double tree_amount_2d(u64 seed, v2s16 p); - static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision); + virtual void makeChunk(BlockMakeData *data) {} + virtual int getGroundLevelAtPoint(v2s16 p) { return 0; } }; struct MapgenFactory { virtual Mapgen *createMapgen(int mgid, MapgenParams *params, EmergeManager *emerge) = 0; virtual MapgenParams *createMapgenParams() = 0; + virtual ~MapgenFactory() {} }; -class EmergeManager { +enum MapgenObject { + MGOBJ_VMANIP, + MGOBJ_HEIGHTMAP, + MGOBJ_BIOMEMAP, + MGOBJ_HEATMAP, + MGOBJ_HUMIDMAP +}; + +enum OreType { + ORE_SCATTER, + ORE_SHEET, + ORE_CLAYLIKE +}; + +#define ORE_RANGE_ACTUAL 1 +#define ORE_RANGE_MIRROR 2 + +class Ore { public: - std::map mglist; - - //settings - MapgenParams *params; - - //mapgen objects here - Mapgen *mapgen; - - //biome manager - BiomeDefManager *biomedef; - - EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef); - ~EmergeManager(); - - void initMapgens(MapgenParams *mgparams); - Mapgen *createMapgen(std::string mgname, int mgid, - MapgenParams *mgparams, EmergeManager *emerge); - MapgenParams *createMapgenParams(std::string mgname); - Mapgen *getMapgen(); - void addBlockToQueue(); - - bool registerMapgen(std::string name, MapgenFactory *mgfactory); - MapgenParams *getParamsFromSettings(Settings *settings); - - //mapgen helper methods - Biome *getBiomeAtPoint(v3s16 p); - int getGroundLevelAtPoint(v2s16 p); - bool isBlockUnderground(v3s16 blockpos); - u32 getBlockSeed(v3s16 p); + std::string ore_name; + std::vector wherein_names; + content_t ore; + std::vector wherein; // the node to be replaced + u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node + s16 clust_num_ores; // how many ore nodes are in a chunk + s16 clust_size; // how large (in nodes) a chunk of ore is + s16 height_min; + s16 height_max; + u8 ore_param2; // to set node-specific attributes + u32 flags; // attributes for this ore + float nthresh; // threshhold for noise at which an ore is placed + NoiseParams *np; // noise for distribution of clusters (NULL for uniform scattering) + Noise *noise; + + Ore() { + ore = CONTENT_IGNORE; + np = NULL; + noise = NULL; + } + + virtual ~Ore(); + + void resolveNodeNames(INodeDefManager *ndef); + void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax); + virtual void generate(ManualMapVoxelManipulator *vm, int seed, + u32 blockseed, v3s16 nmin, v3s16 nmax) = 0; +}; + +class OreScatter : public Ore { + ~OreScatter() {} + virtual void generate(ManualMapVoxelManipulator *vm, int seed, + u32 blockseed, v3s16 nmin, v3s16 nmax); +}; + +class OreSheet : public Ore { + ~OreSheet() {} + virtual void generate(ManualMapVoxelManipulator *vm, int seed, + u32 blockseed, v3s16 nmin, v3s16 nmax); +}; + +Ore *createOre(OreType type); + + +enum DecorationType { + DECO_SIMPLE, + DECO_SCHEMATIC, + DECO_LSYSTEM +}; + +#if 0 +struct CutoffData { + VoxelArea a; + Decoration *deco; + //v3s16 p; + //v3s16 size; + //s16 height; + + CutoffData(s16 x, s16 y, s16 z, s16 h) { + p = v3s16(x, y, z); + height = h; + } }; +#endif + +class Decoration { +public: + INodeDefManager *ndef; + + int mapseed; + std::string place_on_name; + content_t c_place_on; + s16 sidelen; + float fill_ratio; + NoiseParams *np; + + std::set biomes; + //std::list cutoffs; + //JMutex cutoff_mutex; + + Decoration(); + virtual ~Decoration(); + + virtual void resolveNodeNames(INodeDefManager *ndef); + void placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax); + void placeCutoffs(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax); + + virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p) = 0; + virtual int getHeight() = 0; + virtual std::string getName() = 0; +}; + +class DecoSimple : public Decoration { +public: + std::string deco_name; + std::string spawnby_name; + content_t c_deco; + content_t c_spawnby; + s16 deco_height; + s16 deco_height_max; + s16 nspawnby; + + std::vector decolist_names; + std::vector c_decolist; + + ~DecoSimple() {} + + void resolveNodeNames(INodeDefManager *ndef); + virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p); + virtual int getHeight(); + virtual std::string getName(); +}; + +#define MTSCHEM_FILE_SIGNATURE 0x4d54534d // 'MTSM' +#define MTSCHEM_FILE_VER_HIGHEST_READ 3 +#define MTSCHEM_FILE_VER_HIGHEST_WRITE 3 + +#define MTSCHEM_PROB_NEVER 0x00 +#define MTSCHEM_PROB_ALWAYS 0xFF + +class DecoSchematic : public Decoration { +public: + std::string filename; + + std::vector *node_names; + std::vector c_nodes; + std::map replacements; + + u32 flags; + Rotation rotation; + v3s16 size; + MapNode *schematic; + u8 *slice_probs; + + DecoSchematic(); + ~DecoSchematic(); + + void resolveNodeNames(INodeDefManager *ndef); + virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p); + virtual int getHeight(); + virtual std::string getName(); + + void blitToVManip(v3s16 p, ManualMapVoxelManipulator *vm, + Rotation rot, bool force_placement); + + bool loadSchematicFile(); + void saveSchematicFile(INodeDefManager *ndef); + + bool getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2); + void placeStructure(Map *map, v3s16 p); + void applyProbabilities(v3s16 p0, + std::vector > *plist, + std::vector > *splist); +}; + +void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount, + std::vector *usednodes); + +/* +class DecoLSystem : public Decoration { +public: + virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax); +}; +*/ + +Decoration *createDecoration(DecorationType type); #endif