]> git.lizzy.rs Git - minetest.git/blobdiff - src/mapgen.h
Set server_announce to world.mt and respect modes when changing subgame
[minetest.git] / src / mapgen.h
index ba1ea86c3bed4eecfa7f3e5924b9b5b3420d2336..b0758ba417ba809d0e0f4b724a3f382a302d8ae9 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
@@ -20,276 +20,176 @@ 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 "settings.h"
+#include "nodedef.h"
+#include "mapnode.h"
+#include "util/string.h"
+#include "util/container.h"
+
+#define DEFAULT_MAPGEN "v6"
 
 /////////////////// Mapgen flags
 #define MG_TREES         0x01
 #define MG_CAVES         0x02
 #define MG_DUNGEONS      0x04
-#define MGV6_FORESTS     0x08
-#define MGV6_BIOME_BLEND 0x10
+#define MG_FLAT          0x08
+#define MG_LIGHT         0x10
 
-#define AVERAGE_MUD_AMOUNT 4
+class Settings;
+class MMVManip;
+class INodeDefManager;
 
-class BiomeDefManager;
-class Biome;
+extern FlagDesc flagdesc_mapgen[];
+extern FlagDesc flagdesc_gennotify[];
 
-//struct BlockMakeData;
+class Biome;
+class EmergeManager;
 class MapBlock;
-class ManualMapVoxelManipulator;
 class VoxelManipulator;
-class INodeDefManager;
-
-extern NoiseParams nparams_v6_def_terrain_base;
-extern NoiseParams nparams_v6_def_terrain_higher;
-extern NoiseParams nparams_v6_def_steepness;
-extern NoiseParams nparams_v6_def_height_select;
-extern NoiseParams nparams_v6_def_trees;
-extern NoiseParams nparams_v6_def_mud;
-extern NoiseParams nparams_v6_def_beach;
-extern NoiseParams nparams_v6_def_biome;
-extern NoiseParams nparams_v6_def_cave;
-
-extern NoiseParams nparams_v7_def_terrain;
-extern NoiseParams nparams_v7_def_bgroup;
-extern NoiseParams nparams_v7_def_heat;
-extern NoiseParams nparams_v7_def_humidity;
-
-enum BiomeType
-{
-       BT_NORMAL,
-       BT_DESERT
+struct BlockMakeData;
+class VoxelArea;
+class Map;
+
+enum MapgenObject {
+       MGOBJ_VMANIP,
+       MGOBJ_HEIGHTMAP,
+       MGOBJ_BIOMEMAP,
+       MGOBJ_HEATMAP,
+       MGOBJ_HUMIDMAP,
+       MGOBJ_GENNOTIFY
 };
 
+enum GenNotifyType {
+       GENNOTIFY_DUNGEON,
+       GENNOTIFY_TEMPLE,
+       GENNOTIFY_CAVE_BEGIN,
+       GENNOTIFY_CAVE_END,
+       GENNOTIFY_LARGECAVE_BEGIN,
+       GENNOTIFY_LARGECAVE_END,
+       GENNOTIFY_DECORATION,
+       NUM_GENNOTIFY_TYPES
+};
 
-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();
+// TODO(hmmmm/paramat): make stone type selection dynamic
+enum MgStoneType {
+       STONE,
+       DESERT_STONE,
+       SANDSTONE,
 };
 
+struct GenNotifyEvent {
+       GenNotifyType type;
+       v3s16 pos;
+       u32 id;
+};
 
-struct MapgenParams {
-       int mg_version;
-       int chunksize;
-       u64 seed;
-       int water_level;
-       u32 flags;
+class GenerateNotifier {
+public:
+       GenerateNotifier();
+       GenerateNotifier(u32 notify_on, std::set<u32> *notify_on_deco_ids);
 
-       MapgenParams() {
-               mg_version  = 6;
-               seed        = 0;
-               water_level = 1;
-               chunksize   = 5;
-               flags       = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
-       }
+       void setNotifyOn(u32 notify_on);
+       void setNotifyOnDecoIds(std::set<u32> *notify_on_deco_ids);
 
-       static MapgenParams *createMapgenParams(int mgver);
-       static MapgenParams *getParamsFromSettings(Settings *settings);
+       bool addEvent(GenNotifyType type, v3s16 pos, u32 id=0);
+       void getEvents(std::map<std::string, std::vector<v3s16> > &event_map,
+               bool peek_events=false);
 
+private:
+       u32 m_notify_on;
+       std::set<u32> *m_notify_on_deco_ids;
+       std::list<GenNotifyEvent> m_notify_events;
 };
 
-struct MapgenV6Params : public MapgenParams {
-       float freq_desert;
-       float freq_beach;
-       NoiseParams *np_terrain_base;
-       NoiseParams *np_terrain_higher;
-       NoiseParams *np_steepness;
-       NoiseParams *np_height_select;
-       NoiseParams *np_trees;
-       NoiseParams *np_mud;
-       NoiseParams *np_beach;
-       NoiseParams *np_biome;
-       NoiseParams *np_cave;
-
-       MapgenV6Params() {
-               freq_desert       = 0.45;
-               freq_beach        = 0.15;
-               np_terrain_base   = &nparams_v6_def_terrain_base;
-               np_terrain_higher = &nparams_v6_def_terrain_higher;
-               np_steepness      = &nparams_v6_def_steepness;
-               np_height_select  = &nparams_v6_def_height_select;
-               np_trees          = &nparams_v6_def_trees;
-               np_mud            = &nparams_v6_def_mud;
-               np_beach          = &nparams_v6_def_beach;
-               np_biome          = &nparams_v6_def_biome;
-               np_cave           = &nparams_v6_def_cave;
-       }
+struct MapgenSpecificParams {
+       virtual void readParams(const Settings *settings) = 0;
+       virtual void writeParams(Settings *settings) const = 0;
+       virtual ~MapgenSpecificParams() {}
 };
 
-struct MapgenV7Params : public MapgenParams {
-       NoiseParams *np_terrain;
-       NoiseParams *np_bgroup;
-       NoiseParams *np_heat;
-       NoiseParams *np_humidity;
-
-       MapgenV7Params() {
-               np_terrain  = &nparams_v7_def_terrain;
-               np_bgroup   = &nparams_v7_def_bgroup;
-               np_heat     = &nparams_v7_def_heat;
-               np_humidity = &nparams_v7_def_humidity;
-       }
-};
+struct MapgenParams {
+       std::string mg_name;
+       s16 chunksize;
+       u64 seed;
+       s16 water_level;
+       u32 flags;
 
+       NoiseParams np_biome_heat;
+       NoiseParams np_biome_heat_blend;
+       NoiseParams np_biome_humidity;
+       NoiseParams np_biome_humidity_blend;
+
+       MapgenSpecificParams *sparams;
+
+       MapgenParams() :
+               mg_name(DEFAULT_MAPGEN),
+               chunksize(5),
+               seed(0),
+               water_level(1),
+               flags(MG_TREES | MG_CAVES | MG_LIGHT),
+               np_biome_heat(NoiseParams(50, 50, v3f(1000.0, 1000.0, 1000.0), 5349, 3, 0.5, 2.0)),
+               np_biome_heat_blend(NoiseParams(0, 1.5, v3f(8.0, 8.0, 8.0), 13, 2, 1.0, 2.0)),
+               np_biome_humidity(NoiseParams(50, 50, v3f(1000.0, 1000.0, 1000.0), 842, 3, 0.5, 2.0)),
+               np_biome_humidity_blend(NoiseParams(0, 1.5, v3f(8.0, 8.0, 8.0), 90003, 2, 1.0, 2.0)),
+               sparams(NULL)
+       {}
+
+       void load(const Settings &settings);
+       void save(Settings &settings) const;
+};
 
 class Mapgen {
 public:
        int seed;
        int water_level;
+       u32 flags;
        bool generating;
        int id;
 
-       virtual void makeChunk(BlockMakeData *data) {};
-       virtual int getGroundLevelAtPoint(v2s16 p) = 0;
-
-       //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);
-};
-
-
-class MapgenV6 : public Mapgen {
-public:
-       //ManualMapVoxelManipulator &vmanip;
-
-       int ystride;
-       v3s16 csize;
-
-       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;
-
-       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;
-
-       NoiseParams *np_cave;
-
-       u32 flags;
-       float freq_desert;
-       float freq_beach;
-
-       MapgenV6(int mapgenid, MapgenV6Params *params);
-       ~MapgenV6();
-
-       void makeChunk(BlockMakeData *data);
-       int getGroundLevelAtPoint(v2s16 p);
-
-
-       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);
-};
-
-
-class MapgenV7 : public Mapgen {
-public:
-       BlockMakeData *data;
-       ManualMapVoxelManipulator *vmanip;
+       MMVManip *vm;
        INodeDefManager *ndef;
-       BiomeDefManager *biomedef;
-
-       int ystride;
-       int zstride;
 
+       u32 blockseed;
+       s16 *heightmap;
+       u8 *biomemap;
+       float *heatmap;
+       float *humidmap;
        v3s16 csize;
 
-       Noise *noise_terrain;
-       Noise *noise_bgroup;
-       Noise *noise_heat;
-       Noise *noise_humidity;
-
-       v3s16 node_min;
-       v3s16 node_max;
+       GenerateNotifier gennotify;
 
-       float *map_terrain;
-       float *map_bgroup;
-       float *map_heat;
-       float *map_humidity;
+       Mapgen();
+       Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge);
+       virtual ~Mapgen();
 
-       bool generating;
-       int id;
-       u32 flags;
+       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);
 
-       //should these be broken off into a "commonly used nodes" class?
-       MapNode n_air;
-       MapNode n_water;
-       MapNode n_lava;
+       void setLighting(u8 light, v3s16 nmin, v3s16 nmax);
+       void lightSpread(VoxelArea &a, v3s16 p, u8 light);
 
-       MapgenV7(BiomeDefManager *biomedef, int mapgenid, MapgenV7Params *params);
-       ~MapgenV7();
+       void calcLighting(v3s16 nmin, v3s16 nmax);
+       void calcLighting(v3s16 nmin, v3s16 nmax,
+               v3s16 full_nmin, v3s16 full_nmax);
 
-       void makeChunk(BlockMakeData *data);
-       int getGroundLevelAtPoint(v2s16 p);
+       void propagateSunlight(v3s16 nmin, v3s16 nmax);
+       void spreadLight(v3s16 nmin, v3s16 nmax);
 
-       Biome *getBiomeAtPoint(v3s16 p);
-       void updateLiquid(v3s16 node_min, v3s16 node_max);
-       void updateLighting(v3s16 node_min, v3s16 node_max);
+       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; }
 };
 
-class EmergeManager {
-public:
-       //settings
-       MapgenParams *params;
-
-       //mapgen objects here
-       Mapgen *mapgen;
-
-       //biome manager
-       BiomeDefManager *biomedef;
-
-       EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef, MapgenParams *mgparams);
-       ~EmergeManager();
-
-       Mapgen *getMapgen();
-       void addBlockToQueue();
-
-       //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() {}
 };
 
 #endif
-