mirror of https://github.com/minetest/minetest.git
136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
/*
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Minetest-c55
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Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef MAPGEN_HEADER
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#define MAPGEN_HEADER
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#include "irrlichttypes_extrabloated.h"
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#include "util/container.h" // UniqueQueue
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#include "gamedef.h"
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#include "mapnode.h"
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#include "noise.h"
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#include "settings.h"
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#include <map>
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/////////////////// Mapgen flags
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#define MG_TREES 0x01
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#define MG_CAVES 0x02
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#define MG_DUNGEONS 0x04
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#define MGV6_FORESTS 0x08
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#define MGV6_BIOME_BLEND 0x10
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class BiomeDefManager;
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class Biome;
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class EmergeManager;
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class MapBlock;
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class ManualMapVoxelManipulator;
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class VoxelManipulator;
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class INodeDefManager;
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struct BlockMakeData {
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bool no_op;
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ManualMapVoxelManipulator *vmanip;
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u64 seed;
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v3s16 blockpos_min;
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v3s16 blockpos_max;
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v3s16 blockpos_requested;
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UniqueQueue<v3s16> transforming_liquid;
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INodeDefManager *nodedef;
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BlockMakeData();
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~BlockMakeData();
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};
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struct MapgenParams {
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std::string mg_name;
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int chunksize;
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u64 seed;
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int water_level;
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u32 flags;
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MapgenParams() {
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mg_name = "v6";
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seed = 0;
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water_level = 1;
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chunksize = 5;
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flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
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}
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virtual bool readParams(Settings *settings) = 0;
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virtual void writeParams(Settings *settings) {};
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};
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class Mapgen {
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public:
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int seed;
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int water_level;
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bool generating;
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int id;
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virtual void makeChunk(BlockMakeData *data) {};
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virtual int getGroundLevelAtPoint(v2s16 p) = 0;
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//Legacy functions for Farmesh (pending removal)
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static bool get_have_beach(u64 seed, v2s16 p2d);
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static double tree_amount_2d(u64 seed, v2s16 p);
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static s16 find_ground_level_from_noise(u64 seed, v2s16 p2d, s16 precision);
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};
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struct MapgenFactory {
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virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
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EmergeManager *emerge) = 0;
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virtual MapgenParams *createMapgenParams() = 0;
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};
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class EmergeManager {
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public:
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std::map<std::string, MapgenFactory *> mglist;
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//settings
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MapgenParams *params;
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//mapgen objects here
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Mapgen *mapgen;
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//biome manager
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BiomeDefManager *biomedef;
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EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef);
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~EmergeManager();
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void initMapgens(MapgenParams *mgparams);
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Mapgen *createMapgen(std::string mgname, int mgid,
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MapgenParams *mgparams, EmergeManager *emerge);
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MapgenParams *createMapgenParams(std::string mgname);
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Mapgen *getMapgen();
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void addBlockToQueue();
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bool registerMapgen(std::string name, MapgenFactory *mgfactory);
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MapgenParams *getParamsFromSettings(Settings *settings);
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//mapgen helper methods
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Biome *getBiomeAtPoint(v3s16 p);
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int getGroundLevelAtPoint(v2s16 p);
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bool isBlockUnderground(v3s16 blockpos);
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u32 getBlockSeed(v3s16 p);
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};
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#endif
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