]> git.lizzy.rs Git - dragonfireclient.git/blobdiff - src/mapgen.h
Slightly improved version of mystrtok_r
[dragonfireclient.git] / src / mapgen.h
index d6e932ca0290dd441edbad659f204801b92ff87e..d508d37a876c1334c96fe3bd8f324fe82a629b46 100644 (file)
@@ -25,6 +25,16 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "gamedef.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_FORESTS     0x08
+#define MGV6_BIOME_BLEND 0x10
+
+#define AVERAGE_MUD_AMOUNT 4
 
 class BiomeDefManager;
 class Biome;
@@ -32,8 +42,31 @@ class Biome;
 //struct BlockMakeData;
 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 {
        bool no_op;
        ManualMapVoxelManipulator *vmanip;
@@ -48,58 +81,65 @@ struct BlockMakeData {
        ~BlockMakeData();
 };
 
-class Mapgen {
-public:
-       BlockMakeData *data;
-       ManualMapVoxelManipulator *vmanip;
-       INodeDefManager *ndef;
-       BiomeDefManager *biomedef;
-
-       int ystride;
-       int zstride;
 
-       v3s16 csize;
-       int seed;
+struct MapgenParams {
+       std::string mg_name;
+       int chunksize;
+       u64 seed;
        int water_level;
+       u32 flags;
 
-       Noise *noise_terrain;
-       Noise *noise_bgroup;
-       Noise *noise_heat;
-       Noise *noise_humidity;
+       MapgenParams() {
+               mg_name     = "v6";
+               seed        = 0;
+               water_level = 1;
+               chunksize   = 5;
+               flags       = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
+       }
 
-       v3s16 node_min;
-       v3s16 node_max;
+       static MapgenParams *createMapgenParams(std::string &mgname);
+       static MapgenParams *getParamsFromSettings(Settings *settings);
+
+};
+
+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;
+       }
+};
 
-       float *map_terrain;
-       float *map_bgroup;
-       float *map_heat;
-       float *map_humidity;
 
+class Mapgen {
+public:
+       int seed;
+       int water_level;
        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;
-
-       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);
+       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);
@@ -107,26 +147,78 @@ class Mapgen {
        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);
+
+       double baseRockLevelFromNoise(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 EmergeManager {
 public:
        //settings
-       u64 seed;
-       int water_level;
-       NoiseParams *np_terrain;
-       NoiseParams *np_bgroup;
-       NoiseParams *np_heat;
-       NoiseParams *np_humidity;
+       MapgenParams *params;
+
+       //mapgen objects here
+       Mapgen *mapgen;
 
        //biome manager
        BiomeDefManager *biomedef;
 
-       //mapgen objects here
-
-       EmergeManager(IGameDef *gamedef);
+       EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef, MapgenParams *mgparams);
        ~EmergeManager();
-       void addBlockToQueue();
-
 
+       Mapgen *getMapgen();
+       void addBlockToQueue();
 
        //mapgen helper methods
        Biome *getBiomeAtPoint(v3s16 p);
@@ -135,43 +227,5 @@ class EmergeManager {
        u32 getBlockSeed(v3s16 p);
 };
 
-
-/*
-namespace mapgen
-{
-       // Finds precise ground level at any position
-       s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
-
-       // Find out if block is completely underground
-       bool block_is_underground(u64 seed, v3s16 blockpos);
-
-       // Get a pseudorandom seed for a position on the map
-       u32 get_blockseed(u64 seed, v3s16 p);
-
-       // Main map generation routine
-       void make_block(BlockMakeData *data);
-
-
-       //These are used by FarMesh
-       bool get_have_beach(u64 seed, v2s16 p2d);
-       double tree_amount_2d(u64 seed, v2s16 p);
-
-       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