]> git.lizzy.rs Git - minetest.git/blobdiff - src/mapgen.h
Replace std::list by std::vector into ClientMap::updateDrawList, Map::timerUpdate...
[minetest.git] / src / mapgen.h
index 76ae73c527c6ea10da9a187736b5a44e4a9f74db..5bbdd724dd139fbb6c4934575c34adcce19970d9 100644 (file)
@@ -1,6 +1,6 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 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
@@ -20,241 +20,191 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #ifndef MAPGEN_HEADER
 #define MAPGEN_HEADER
 
-#include "irrlichttypes_extrabloated.h"
-#include "util/container.h" // UniqueQueue
-#include "gamedef.h"
-#include "mapnode.h"
 #include "noise.h"
+#include "nodedef.h"
+#include "mapnode.h"
+#include "util/string.h"
+#include "util/container.h"
 
-class BiomeDefManager;
-class Biome;
+#define DEFAULT_MAPGEN "v6"
 
-//struct BlockMakeData;
-class MapBlock;
-class ManualMapVoxelManipulator;
-class VoxelManipulator;
+/////////////////// Mapgen flags
+#define MG_TREES         0x01
+#define MG_CAVES         0x02
+#define MG_DUNGEONS      0x04
+#define MG_FLAT          0x08
+#define MG_LIGHT         0x10
+
+class Settings;
+class MMVManip;
 class INodeDefManager;
 
+extern FlagDesc flagdesc_mapgen[];
+extern FlagDesc flagdesc_gennotify[];
 
-enum BiomeType
-{
-       BT_NORMAL,
-       BT_DESERT
+class Biome;
+class EmergeManager;
+class MapBlock;
+class VoxelManipulator;
+struct BlockMakeData;
+class VoxelArea;
+class Map;
+
+enum MapgenObject {
+       MGOBJ_VMANIP,
+       MGOBJ_HEIGHTMAP,
+       MGOBJ_BIOMEMAP,
+       MGOBJ_HEATMAP,
+       MGOBJ_HUMIDMAP,
+       MGOBJ_GENNOTIFY
 };
 
-
-struct BlockMakeData {
-       bool no_op;
-       ManualMapVoxelManipulator *vmanip;
-       u64 seed;
-       v3s16 blockpos_min;
-       v3s16 blockpos_max;
-       v3s16 blockpos_requested;
-       UniqueQueue<v3s16> transforming_liquid;
-       INodeDefManager *nodedef;
-
-       BlockMakeData();
-       ~BlockMakeData();
+enum GenNotifyType {
+       GENNOTIFY_DUNGEON,
+       GENNOTIFY_TEMPLE,
+       GENNOTIFY_CAVE_BEGIN,
+       GENNOTIFY_CAVE_END,
+       GENNOTIFY_LARGECAVE_BEGIN,
+       GENNOTIFY_LARGECAVE_END,
+       GENNOTIFY_DECORATION,
+       NUM_GENNOTIFY_TYPES
 };
 
+struct GenNotifyEvent {
+       GenNotifyType type;
+       v3s16 pos;
+       u32 id;
+};
 
-class Mapgen {
+class GenerateNotifier {
 public:
+       GenerateNotifier();
+       GenerateNotifier(u32 notify_on, std::set<u32> *notify_on_deco_ids);
 
-       int seed;
-       int water_level;
-
-       bool generating;
-       int id;
+       void setNotifyOn(u32 notify_on);
+       void setNotifyOnDecoIds(std::set<u32> *notify_on_deco_ids);
 
+       bool addEvent(GenNotifyType type, v3s16 pos, u32 id=0);
+       void getEvents(std::map<std::string, std::vector<v3s16> > &event_map,
+               bool peek_events=false);
 
-       //virtual Mapgen(BiomeDefManager *biomedef, int mapgenid=0, u64 seed=0);
-       //virtual ~Mapgen();
-       virtual void makeChunk(BlockMakeData *data) {};
+private:
+       u32 m_notify_on;
+       std::set<u32> *m_notify_on_deco_ids;
+       std::list<GenNotifyEvent> m_notify_events;
+};
 
-       //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);
+struct MapgenSpecificParams {
+       virtual void readParams(Settings *settings) = 0;
+       virtual void writeParams(Settings *settings) = 0;
+       virtual ~MapgenSpecificParams() {}
 };
 
+struct MapgenParams {
+       std::string mg_name;
+       s16 chunksize;
+       u64 seed;
+       s16 water_level;
+       u32 flags;
 
-class MapgenV6 : public Mapgen {
-public:
-       //ManualMapVoxelManipulator &vmanip;
+       NoiseParams np_biome_heat;
+       NoiseParams np_biome_humidity;
 
-       int ystride;
-       v3s16 csize;
+       MapgenSpecificParams *sparams;
 
-       v3s16 node_min;
-       v3s16 node_max;
-
-       Noise *noise_terrain_base;
-       Noise *noise_terrain_higher;
-       Noise *noise_steepness;
-       Noise *noise_height_select;
-       Noise *noise_trees;
-       Noise *noise_mud;
-       Noise *noise_beach;
-       Noise *noise_biome;
-       Noise *noise_cave;
-
-       float *map_terrain_base;
-       float *map_terrain_higher;
-       float *map_steepness;
-       float *map_height_select;
-       float *map_trees;
-       float *map_mud;
-       float *map_beach;
-       float *map_biome;
-       float *map_cave;
-
-       bool use_smooth_biome_trans;
-
-       MapgenV6(int mapgenid=0, u64 seed=0);
-       ~MapgenV6();
-
-       void makeChunk(BlockMakeData *data);
-
-
-       static s16 find_ground_level(VoxelManipulator &vmanip, v2s16 p2d, INodeDefManager *ndef);
-       static s16 find_stone_level(VoxelManipulator &vmanip, v2s16 p2d, INodeDefManager *ndef);
-       void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0, bool is_apple_tree, INodeDefManager *ndef);
-       double tree_amount_2d(u64 seed, v2s16 p);
-       bool block_is_underground(u64 seed, v3s16 blockpos);
-       double base_rock_level_2d(u64 seed, v2s16 p);
-       s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
-       double get_mud_add_amount(u64 seed, v2s16 p);
-       bool get_have_beach(u64 seed, v2s16 p2d);
-       BiomeType get_biome(u64 seed, v2s16 p2d);
-       u32 get_blockseed(u64 seed, v3s16 p);
+       MapgenParams()
+       {
+               mg_name     = DEFAULT_MAPGEN;
+               seed        = 0;
+               water_level = 1;
+               chunksize   = 5;
+               flags       = MG_TREES | MG_CAVES | MG_LIGHT;
+               sparams     = NULL;
+               np_biome_heat     = NoiseParams(50, 50, v3f(500.0, 500.0, 500.0), 5349, 3, 0.5, 2.0);
+               np_biome_humidity = NoiseParams(50, 50, v3f(500.0, 500.0, 500.0), 842, 3, 0.5, 2.0);
+       }
 };
 
-
-class MapgenV7 : public Mapgen {
+class Mapgen {
 public:
-       BlockMakeData *data;
-       ManualMapVoxelManipulator *vmanip;
-       INodeDefManager *ndef;
-       BiomeDefManager *biomedef;
+       int seed;
+       int water_level;
+       u32 flags;
+       bool generating;
+       int id;
 
-       int ystride;
-       int zstride;
+       MMVManip *vm;
+       INodeDefManager *ndef;
 
+       u32 blockseed;
+       s16 *heightmap;
+       u8 *biomemap;
        v3s16 csize;
-       //int seed;
-       //int water_level;
 
-       Noise *noise_terrain;
-       Noise *noise_bgroup;
-       Noise *noise_heat;
-       Noise *noise_humidity;
+       GenerateNotifier gennotify;
 
-       v3s16 node_min;
-       v3s16 node_max;
-
-       float *map_terrain;
-       float *map_bgroup;
-       float *map_heat;
-       float *map_humidity;
-
-       bool generating;
-       int id;
-
-       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;
-
-       MapgenV7(BiomeDefManager *biomedef, int mapgenid=0, u64 seed=0);
-       MapgenV7(BiomeDefManager *biomedef, int mapgenid, u64 seed,
-                  NoiseParams *np_terrain, NoiseParams *np_bgroup,
-                  NoiseParams *np_heat,    NoiseParams *np_humidity);
-       void init(BiomeDefManager *biomedef, int mapgenid, u64 seed,
-                          NoiseParams *np_terrain, NoiseParams *np_bgroup,
-                          NoiseParams *np_heat,    NoiseParams *np_humidity);
-       ~MapgenV7();
-
-       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);
-};
+       Mapgen();
+       Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge);
+       virtual ~Mapgen();
 
-class EmergeManager {
-public:
-       //settings
-       u64 seed;
-       int water_level;
-       NoiseParams *np_terrain;
-       NoiseParams *np_bgroup;
-       NoiseParams *np_heat;
-       NoiseParams *np_humidity;
+       static u32 getBlockSeed(v3s16 p, int seed);
+       static u32 getBlockSeed2(v3s16 p, int seed);
+       s16 findGroundLevelFull(v2s16 p2d);
+       s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax);
+       void updateHeightmap(v3s16 nmin, v3s16 nmax);
+       void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
 
-       //biome manager
-       BiomeDefManager *biomedef;
+       void setLighting(u8 light, v3s16 nmin, v3s16 nmax);
+       void lightSpread(VoxelArea &a, v3s16 p, u8 light);
 
-       //mapgen objects here
+       void calcLighting(v3s16 nmin, v3s16 nmax);
+       void calcLighting(v3s16 nmin, v3s16 nmax,
+               v3s16 full_nmin, v3s16 full_nmax);
 
-       EmergeManager(IGameDef *gamedef);
-       ~EmergeManager();
-       void addBlockToQueue();
+       void propagateSunlight(v3s16 nmin, v3s16 nmax);
+       void spreadLight(v3s16 nmin, v3s16 nmax);
 
+       void calcLightingOld(v3s16 nmin, v3s16 nmax);
 
+       virtual void makeChunk(BlockMakeData *data) {}
+       virtual int getGroundLevelAtPoint(v2s16 p) { return 0; }
+};
 
-       //mapgen helper methods
-       Biome *getBiomeAtPoint(v3s16 p);
-       int getGroundLevelAtPoint(v2s16 p);
-       bool isBlockUnderground(v3s16 blockpos);
-       u32 getBlockSeed(v3s16 p);
+struct MapgenFactory {
+       virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
+               EmergeManager *emerge) = 0;
+       virtual MapgenSpecificParams *createMapgenParams() = 0;
+       virtual ~MapgenFactory() {}
 };
 
+class GenElement {
+public:
+       virtual ~GenElement() {}
+       u32 id;
+       std::string name;
+};
 
-/*
-namespace mapgen
-{
-       // Finds precise ground level at any position
-       s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
+class GenElementManager {
+public:
+       static const char *ELEMENT_TITLE;
+       static const size_t ELEMENT_LIMIT = -1;
 
-       // Find out if block is completely underground
-       bool block_is_underground(u64 seed, v3s16 blockpos);
+       GenElementManager(IGameDef *gamedef);
+       virtual ~GenElementManager();
 
-       // Get a pseudorandom seed for a position on the map
-       u32 get_blockseed(u64 seed, v3s16 p);
+       virtual GenElement *create(int type) = 0;
 
-       // Main map generation routine
-       void make_block(BlockMakeData *data);
+       virtual u32 add(GenElement *elem);
+       virtual GenElement *get(u32 id);
+       virtual GenElement *update(u32 id, GenElement *elem);
+       virtual GenElement *remove(u32 id);
+       virtual void clear();
 
+       virtual GenElement *getByName(const std::string &name);
 
-       //These are used by FarMesh
-       bool get_have_beach(u64 seed, v2s16 p2d);
-       double tree_amount_2d(u64 seed, v2s16 p);
+protected:
+       INodeDefManager *m_ndef;
+       std::vector<GenElement *> m_elements;
+};
 
-       struct BlockMakeData
-       {
-               bool no_op;
-               ManualMapVoxelManipulator *vmanip; // Destructor deletes
-               u64 seed;
-               v3s16 blockpos_min;
-               v3s16 blockpos_max;
-               v3s16 blockpos_requested;
-               UniqueQueue<v3s16> transforming_liquid;
-               INodeDefManager *nodedef;
-
-               BlockMakeData();
-               ~BlockMakeData();
-       };
-
-}; // namespace mapgen
-*/
 #endif
-