/*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 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
#define MG_TREES 0x01
#define MG_CAVES 0x02
#define MG_DUNGEONS 0x04
-#define MGV6_FORESTS 0x08
+#define MGV6_JUNGLES 0x08
#define MGV6_BIOME_BLEND 0x10
+#define MG_FLAT 0x20
+
+/////////////////// Ore generation flags
+// Use absolute value of height to determine ore placement
+#define OREFLAG_ABSHEIGHT 0x01
+// Use 3d noise to get density of ore placement, instead of just the position
+#define OREFLAG_DENSITY 0x02 // not yet implemented
+// For claylike ore types, place ore if the number of surrounding
+// nodes isn't the specified node
+#define OREFLAG_NODEISNT 0x04 // not yet implemented
+
+extern FlagDesc flagdesc_mapgen[];
+extern FlagDesc flagdesc_ore[];
class BiomeDefManager;
class Biome;
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 BlockMakeData;
+class VoxelArea;
struct MapgenParams {
std::string mg_name;
}
virtual bool readParams(Settings *settings) = 0;
- virtual void writeParams(Settings *settings) {};
+ virtual void writeParams(Settings *settings) = 0;
+ virtual ~MapgenParams() {}
};
class Mapgen {
int water_level;
bool generating;
int id;
+ ManualMapVoxelManipulator *vm;
+ INodeDefManager *ndef;
+ s16 *heightmap;
+ u8 *biomemap;
+
+ Mapgen();
+ virtual ~Mapgen() {}
+
+ s16 findGroundLevelFull(v2s16 p2d);
+ s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax);
+ void updateHeightmap(v3s16 nmin, v3s16 nmax);
+ void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
+ void setLighting(v3s16 nmin, v3s16 nmax, u8 light);
+ void lightSpread(VoxelArea &a, v3s16 p, u8 light);
+ void calcLighting(v3s16 nmin, v3s16 nmax);
+ void calcLightingOld(v3s16 nmin, v3s16 nmax);
virtual void makeChunk(BlockMakeData *data) {};
virtual int getGroundLevelAtPoint(v2s16 p) = 0;
virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
EmergeManager *emerge) = 0;
virtual MapgenParams *createMapgenParams() = 0;
+ virtual ~MapgenFactory() {}
+};
+
+enum OreType {
+ ORE_SCATTER,
+ ORE_SHEET,
+ ORE_CLAYLIKE
};
-class EmergeManager {
+#define ORE_RANGE_ACTUAL 1
+#define ORE_RANGE_MIRROR 2
+
+class Ore {
public:
- std::map<std::string, MapgenFactory *> mglist;
+ std::string ore_name;
+ std::string wherein_name;
+ content_t ore;
+ content_t wherein; // the node to be replaced
+ u32 clust_scarcity; // ore cluster has a 1-in-clust_scarcity chance of appearing at a node
+ s16 clust_num_ores; // how many ore nodes are in a chunk
+ s16 clust_size; // how large (in nodes) a chunk of ore is
+ s16 height_min;
+ s16 height_max;
+ u8 ore_param2; // to set node-specific attributes
+ u32 flags; // attributes for this ore
+ float nthresh; // threshhold for noise at which an ore is placed
+ NoiseParams *np; // noise for distribution of clusters (NULL for uniform scattering)
+ Noise *noise;
+
+ Ore() {
+ ore = CONTENT_IGNORE;
+ wherein = CONTENT_IGNORE;
+ np = NULL;
+ noise = NULL;
+ }
+
+ virtual ~Ore();
+
+ void resolveNodeNames(INodeDefManager *ndef);
+ void placeOre(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax) = 0;
+};
+
+class OreScatter : public Ore {
+ ~OreScatter() {}
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
- //settings
- MapgenParams *params;
+class OreSheet : public Ore {
+ ~OreSheet() {}
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
+
+Ore *createOre(OreType type);
+
+
+enum DecorationType {
+ DECO_SIMPLE,
+ DECO_SCHEMATIC,
+ DECO_LSYSTEM
+};
- //mapgen objects here
- Mapgen *mapgen;
+#if 0
+struct CutoffData {
+ VoxelArea a;
+ Decoration *deco;
+ //v3s16 p;
+ //v3s16 size;
+ //s16 height;
+
+ CutoffData(s16 x, s16 y, s16 z, s16 h) {
+ p = v3s16(x, y, z);
+ height = h;
+ }
+};
+#endif
- //biome manager
- BiomeDefManager *biomedef;
+class Decoration {
+public:
+ int mapseed;
+ std::string place_on_name;
+ content_t c_place_on;
+ s16 divlen;
+ float fill_ratio;
+ NoiseParams *np;
+
+ std::set<u8> biomes;
+ //std::list<CutoffData> cutoffs;
+ //JMutex cutoff_mutex;
- EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef);
- ~EmergeManager();
+ virtual ~Decoration();
+
+ virtual void resolveNodeNames(INodeDefManager *ndef);
+ void placeDeco(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+ void placeCutoffs(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+
+ virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y,
+ s16 start_y, v3s16 p) = 0;
+ virtual int getHeight() = 0;
+ virtual std::string getName() = 0;
+};
- void initMapgens(MapgenParams *mgparams);
- Mapgen *createMapgen(std::string mgname, int mgid,
- MapgenParams *mgparams, EmergeManager *emerge);
- MapgenParams *createMapgenParams(std::string mgname);
- Mapgen *getMapgen();
- void addBlockToQueue();
+class DecoSimple : public Decoration {
+public:
+ std::string deco_name;
+ std::string spawnby_name;
+ content_t c_deco;
+ content_t c_spawnby;
+ s16 deco_height;
+ s16 deco_height_max;
+ s16 nspawnby;
- bool registerMapgen(std::string name, MapgenFactory *mgfactory);
- MapgenParams *getParamsFromSettings(Settings *settings);
+ std::vector<std::string> decolist_names;
+ std::vector<content_t> c_decolist;
+
+ ~DecoSimple() {}
- //mapgen helper methods
- Biome *getBiomeAtPoint(v3s16 p);
- int getGroundLevelAtPoint(v2s16 p);
- bool isBlockUnderground(v3s16 blockpos);
- u32 getBlockSeed(v3s16 p);
+ void resolveNodeNames(INodeDefManager *ndef);
+ virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y,
+ s16 start_y, v3s16 p);
+ virtual int getHeight();
+ virtual std::string getName();
};
+/*
+class DecoSchematic : public Decoration {
+public:
+ virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
+*/
+
+/*
+class DecoLSystem : public Decoration {
+public:
+ virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
+*/
+
+Decoration *createDecoration(DecorationType type);
+
#endif
projects / oweals / minetest.git / blobdiff