/* Minetest-c55 Copyright (C) 2010-2011 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 the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef MAPGEN_HEADER #define MAPGEN_HEADER #include "irrlichttypes_extrabloated.h" #include "util/container.h" // UniqueQueue #include "gamedef.h" #include "mapnode.h" #include "noise.h" class BiomeDefManager; class Biome; //struct BlockMakeData; class MapBlock; class ManualMapVoxelManipulator; class VoxelManipulator; class INodeDefManager; enum BiomeType { BT_NORMAL, BT_DESERT }; struct BlockMakeData { bool no_op; ManualMapVoxelManipulator *vmanip; u64 seed; v3s16 blockpos_min; v3s16 blockpos_max; v3s16 blockpos_requested; UniqueQueue transforming_liquid; INodeDefManager *nodedef; BlockMakeData(); ~BlockMakeData(); }; class Mapgen { public: int seed; int water_level; bool generating; int id; //virtual Mapgen(BiomeDefManager *biomedef, int mapgenid=0, u64 seed=0); //virtual ~Mapgen(); virtual void makeChunk(BlockMakeData *data) {}; //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; 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); }; class MapgenV7 : public Mapgen { public: BlockMakeData *data; ManualMapVoxelManipulator *vmanip; INodeDefManager *ndef; BiomeDefManager *biomedef; int ystride; int zstride; v3s16 csize; //int seed; //int water_level; Noise *noise_terrain; Noise *noise_bgroup; Noise *noise_heat; Noise *noise_humidity; 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); }; class EmergeManager { public: //settings u64 seed; int water_level; NoiseParams *np_terrain; NoiseParams *np_bgroup; NoiseParams *np_heat; NoiseParams *np_humidity; //biome manager BiomeDefManager *biomedef; //mapgen objects here EmergeManager(IGameDef *gamedef); ~EmergeManager(); void addBlockToQueue(); //mapgen helper methods Biome *getBiomeAtPoint(v3s16 p); int getGroundLevelAtPoint(v2s16 p); bool isBlockUnderground(v3s16 blockpos); 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 transforming_liquid; INodeDefManager *nodedef; BlockMakeData(); ~BlockMakeData(); }; }; // namespace mapgen */ #endif