diff options
Diffstat (limited to 'src/mapgen.h')
| -rw-r--r-- | src/mapgen.h | 224 |
1 files changed, 193 insertions, 31 deletions
diff --git a/src/mapgen.h b/src/mapgen.h index 8986ddab0..d508d37a8 100644 --- a/src/mapgen.h +++ b/src/mapgen.h @@ -22,48 +22,210 @@ with this program; if not, write to the Free Software Foundation, Inc., #include "irrlichttypes_extrabloated.h" #include "util/container.h" // UniqueQueue +#include "gamedef.h" +#include "mapnode.h" +#include "noise.h" +#include "settings.h" -struct BlockMakeData; +/////////////////// 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; + +//struct BlockMakeData; class MapBlock; class ManualMapVoxelManipulator; +class VoxelManipulator; class INodeDefManager; -namespace mapgen +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 { - // Finds precise ground level at any position - s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision); + BT_NORMAL, + BT_DESERT +}; - // 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); +struct BlockMakeData { + bool no_op; + ManualMapVoxelManipulator *vmanip; + u64 seed; + v3s16 blockpos_min; + v3s16 blockpos_max; + v3s16 blockpos_requested; + UniqueQueue<v3s16> transforming_liquid; + INodeDefManager *nodedef; - // Main map generation routine - void make_block(BlockMakeData *data); - - /* - These are used by FarMesh - */ - bool get_have_beach(u64 seed, v2s16 p2d); + BlockMakeData(); + ~BlockMakeData(); +}; + + +struct MapgenParams { + std::string mg_name; + int chunksize; + u64 seed; + int water_level; + u32 flags; + + MapgenParams() { + mg_name = "v6"; + seed = 0; + water_level = 1; + chunksize = 5; + flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND; + } + + 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; + } +}; + + +class Mapgen { +public: + int seed; + int water_level; + 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); + + 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 + MapgenParams *params; + + //mapgen objects here + Mapgen *mapgen; + + //biome manager + BiomeDefManager *biomedef; + + EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef, MapgenParams *mgparams); + ~EmergeManager(); + + Mapgen *getMapgen(); + void addBlockToQueue(); - 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 + //mapgen helper methods + Biome *getBiomeAtPoint(v3s16 p); + int getGroundLevelAtPoint(v2s16 p); + bool isBlockUnderground(v3s16 blockpos); + u32 getBlockSeed(v3s16 p); +}; #endif |