X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmapgen.h;h=47a7204bc24b9697fa0370a88b74b04b7ce3160b;hb=0a903e69fbd9b19d8d8da0593f31dec5807af566;hp=d6e932ca0290dd441edbad659f204801b92ff87e;hpb=11afcbff69c95915e5142bc4b55636ff6358ece9;p=minetest.git diff --git a/src/mapgen.h b/src/mapgen.h index d6e932ca0..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 @@ -20,158 +20,294 @@ 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" + +/////////////////// Mapgen flags +#define MG_TREES 0x01 +#define MG_CAVES 0x02 +#define MG_DUNGEONS 0x04 +#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; - -//struct BlockMakeData; +class EmergeManager; class MapBlock; class ManualMapVoxelManipulator; -class INodeDefManager; - -struct BlockMakeData { - bool no_op; - ManualMapVoxelManipulator *vmanip; +class VoxelManipulator; +struct BlockMakeData; +class VoxelArea; +class Map; + +struct MapgenParams { + std::string mg_name; + int chunksize; u64 seed; - v3s16 blockpos_min; - v3s16 blockpos_max; - v3s16 blockpos_requested; - UniqueQueue transforming_liquid; - INodeDefManager *nodedef; - - BlockMakeData(); - ~BlockMakeData(); + int water_level; + u32 flags; + + MapgenParams() { + mg_name = "v6"; + seed = 0; + water_level = 1; + chunksize = 5; + flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND; + } + + virtual bool readParams(Settings *settings) { return true; } + virtual void writeParams(Settings *settings) {} + virtual ~MapgenParams() {} }; class Mapgen { public: - BlockMakeData *data; - ManualMapVoxelManipulator *vmanip; + int seed; + int water_level; + bool generating; + int id; + ManualMapVoxelManipulator *vm; INodeDefManager *ndef; - BiomeDefManager *biomedef; - - int ystride; - int zstride; + s16 *heightmap; + u8 *biomemap; v3s16 csize; - int seed; - int water_level; - Noise *noise_terrain; - Noise *noise_bgroup; - Noise *noise_heat; - Noise *noise_humidity; + Mapgen(); + virtual ~Mapgen() {} - v3s16 node_min; - v3s16 node_max; + 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); - float *map_terrain; - float *map_bgroup; - float *map_heat; - float *map_humidity; + virtual void makeChunk(BlockMakeData *data) {} + virtual int getGroundLevelAtPoint(v2s16 p) { return 0; } +}; - bool generating; - int id; +struct MapgenFactory { + virtual Mapgen *createMapgen(int mgid, MapgenParams *params, + EmergeManager *emerge) = 0; + virtual MapgenParams *createMapgenParams() = 0; + virtual ~MapgenFactory() {} +}; + +enum MapgenObject { + MGOBJ_VMANIP, + MGOBJ_HEIGHTMAP, + MGOBJ_BIOMEMAP, + MGOBJ_HEATMAP, + MGOBJ_HUMIDMAP +}; - NoiseParams *np_terrain; - NoiseParams *np_bgroup; - NoiseParams *np_heat; - NoiseParams *np_humidity; - - //should these be broken off into a "commonly used nodes" class? - MapNode n_air; - MapNode n_water; - MapNode n_lava; - - Mapgen(BiomeDefManager *biomedef, int mapgenid=0, u64 seed=0); - Mapgen(BiomeDefManager *biomedef, int mapgenid, u64 seed, - NoiseParams *np_terrain, NoiseParams *np_bgroup, - NoiseParams *np_heat, NoiseParams *np_humidity); - void initMapgen(BiomeDefManager *biomedef, int mapgenid, u64 seed, - NoiseParams *np_terrain, NoiseParams *np_bgroup, - NoiseParams *np_heat, NoiseParams *np_humidity); - ~Mapgen(); - - void makeChunk(BlockMakeData *data); - void updateLiquid(v3s16 node_min, v3s16 node_max); - void updateLighting(v3s16 node_min, v3s16 node_max); - - //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); +enum OreType { + ORE_SCATTER, + ORE_SHEET, + ORE_CLAYLIKE }; -class EmergeManager { +#define ORE_RANGE_ACTUAL 1 +#define ORE_RANGE_MIRROR 2 + +class Ore { public: - //settings - u64 seed; - int water_level; - NoiseParams *np_terrain; - NoiseParams *np_bgroup; - NoiseParams *np_heat; - NoiseParams *np_humidity; + 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 - //biome manager - BiomeDefManager *biomedef; +class Decoration { +public: + INodeDefManager *ndef; - //mapgen objects here + int mapseed; + std::string place_on_name; + content_t c_place_on; + s16 sidelen; + float fill_ratio; + NoiseParams *np; - EmergeManager(IGameDef *gamedef); - ~EmergeManager(); - void addBlockToQueue(); + 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); - //mapgen helper methods - Biome *getBiomeAtPoint(v3s16 p); - int getGroundLevelAtPoint(v2s16 p); - bool isBlockUnderground(v3s16 blockpos); - u32 getBlockSeed(v3s16 p); + 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(); +}; -/* -namespace mapgen -{ - // Finds precise ground level at any position - s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision); +#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; - // Find out if block is completely underground - bool block_is_underground(u64 seed, v3s16 blockpos); + u32 flags; + Rotation rotation; + v3s16 size; + MapNode *schematic; + u8 *slice_probs; - // Get a pseudorandom seed for a position on the map - u32 get_blockseed(u64 seed, v3s16 p); + DecoSchematic(); + ~DecoSchematic(); - // Main map generation routine - void make_block(BlockMakeData *data); + 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); - //These are used by FarMesh - bool get_have_beach(u64 seed, v2s16 p2d); - double tree_amount_2d(u64 seed, v2s16 p); + bool loadSchematicFile(); + void saveSchematicFile(INodeDefManager *ndef); - struct BlockMakeData - { - bool no_op; - ManualMapVoxelManipulator *vmanip; // Destructor deletes - u64 seed; - v3s16 blockpos_min; - v3s16 blockpos_max; - v3s16 blockpos_requested; - UniqueQueue transforming_liquid; - INodeDefManager *nodedef; + bool getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2); + void placeStructure(Map *map, v3s16 p); + void applyProbabilities(v3s16 p0, + std::vector > *plist, + std::vector > *splist); +}; - BlockMakeData(); - ~BlockMakeData(); - }; +void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount, + std::vector *usednodes); -}; // namespace mapgen +/* +class DecoLSystem : public Decoration { +public: + virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax); +}; */ + +Decoration *createDecoration(DecorationType type); + #endif