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/*
Minetest-c55
Copyright (C) 2010-2011 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
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"
#include "settings.h"
#include <map>
/////////////////// 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 0x20
class BiomeDefManager;
class Biome;
class EmergeManager;
class MapBlock;
class ManualMapVoxelManipulator;
class VoxelManipulator;
class INodeDefManager;
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();
};
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;
}
virtual bool readParams(Settings *settings) = 0;
virtual void writeParams(Settings *settings) {};
};
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);
};
struct MapgenFactory {
virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
EmergeManager *emerge) = 0;
virtual MapgenParams *createMapgenParams() = 0;
};
class EmergeManager {
public:
std::map<std::string, MapgenFactory *> mglist;
//settings
MapgenParams *params;
//mapgen objects here
Mapgen *mapgen;
//biome manager
BiomeDefManager *biomedef;
EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef);
~EmergeManager();
void initMapgens(MapgenParams *mgparams);
Mapgen *createMapgen(std::string mgname, int mgid,
MapgenParams *mgparams, EmergeManager *emerge);
MapgenParams *createMapgenParams(std::string mgname);
Mapgen *getMapgen();
void addBlockToQueue();
bool registerMapgen(std::string name, MapgenFactory *mgfactory);
MapgenParams *getParamsFromSettings(Settings *settings);
void setParamsToSettings(Settings *settings);
//mapgen helper methods
Biome *getBiomeAtPoint(v3s16 p);
int getGroundLevelAtPoint(v2s16 p);
bool isBlockUnderground(v3s16 blockpos);
u32 getBlockSeed(v3s16 p);
};
#endif
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