/*
-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
#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_JUNGLES 0x08
#define MGV6_BIOME_BLEND 0x10
+#define MG_FLAT 0x20
-#define AVERAGE_MUD_AMOUNT 4
+/////////////////// 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;
-
-//struct BlockMakeData;
+class EmergeManager;
class MapBlock;
class ManualMapVoxelManipulator;
class VoxelManipulator;
class INodeDefManager;
-
-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
-{
- BT_NORMAL,
- BT_DESERT
-};
-
-
-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 {
- int mg_version;
+ std::string mg_name;
int chunksize;
u64 seed;
int water_level;
u32 flags;
MapgenParams() {
- mg_version = 6;
+ mg_name = "v6";
seed = 0;
water_level = 1;
chunksize = 5;
flags = MG_TREES | MG_CAVES | MGV6_BIOME_BLEND;
}
-
- static MapgenParams *createMapgenParams(int mgver);
- 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;
- }
+
+ virtual bool readParams(Settings *settings) = 0;
+ virtual void writeParams(Settings *settings) {};
};
-
class Mapgen {
public:
int seed;
int water_level;
bool generating;
int id;
+ ManualMapVoxelManipulator *vm;
+ INodeDefManager *ndef;
+
+ 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;
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 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);
+enum OreType {
+ ORE_SCATTER,
+ ORE_SHEET,
+ ORE_CLAYLIKE
};
+#define ORE_RANGE_ACTUAL 1
+#define ORE_RANGE_MIRROR 2
-class EmergeManager {
+class Ore {
public:
- //settings
- MapgenParams *params;
-
- //mapgen objects here
- Mapgen *mapgen;
-
- //biome manager
- BiomeDefManager *biomedef;
-
- EmergeManager(IGameDef *gamedef, BiomeDefManager *bdef, MapgenParams *mgparams);
- ~EmergeManager();
+ 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;
+ }
+
+ 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;
+};
- Mapgen *getMapgen();
- void addBlockToQueue();
+class OreScatter : public Ore {
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
- //mapgen helper methods
- Biome *getBiomeAtPoint(v3s16 p);
- int getGroundLevelAtPoint(v2s16 p);
- bool isBlockUnderground(v3s16 blockpos);
- u32 getBlockSeed(v3s16 p);
+class OreSheet : public Ore {
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
};
+Ore *createOre(OreType type);
+
#endif
projects / dragonfireclient.git / blobdiff