/*
-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 "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<v3s16> transforming_liquid;
- INodeDefManager *nodedef;
-
- BlockMakeData();
- ~BlockMakeData();
-};
-
+#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
-/////////////////// Mapgen V6 perlin noise default values
-NoiseParams nparams_v6_def_terrain_base =
- {-AVERAGE_MUD_AMOUNT, 20.0, v3f(250.0, 250.0, 250.0), 82341, 5, 0.6};
-NoiseParams nparams_v6_def_terrain_higher =
- {20.0, 16.0, v3f(500.0, 500.0, 500.0), 85309, 5, 0.6};
-NoiseParams nparams_v6_def_steepness =
- {0.85, 0.5, v3f(125.0, 125.0, 125.0), -932, 5, 0.7};
-NoiseParams nparams_v6_def_height_select =
- {0.5, 1.0, v3f(250.0, 250.0, 250.0), 4213, 5, 0.69};
-NoiseParams nparams_v6_def_trees =
- {0.0, 1.0, v3f(125.0, 125.0, 125.0), 2, 4, 0.66};
-NoiseParams nparams_v6_def_mud =
- {AVERAGE_MUD_AMOUNT, 2.0, v3f(200.0, 200.0, 200.0), 91013, 3, 0.55};
-NoiseParams nparams_v6_def_beach =
- {0.0, 1.0, v3f(250.0, 250.0, 250.0), 59420, 3, 0.50};
-NoiseParams nparams_v6_def_biome =
- {0.0, 1.0, v3f(250.0, 250.0, 250.0), 9130, 3, 0.50};
-NoiseParams nparams_v6_def_cave =
- {6.0, 6.0, v3f(250.0, 250.0, 250.0), 34329, 3, 0.50};
+extern FlagDesc flagdesc_mapgen[];
+extern FlagDesc flagdesc_ore[];
-/////////////////// Mapgen V7 perlin noise default values
-NoiseParams nparams_v7_def_terrain =
- {10.0, 12.0, v3f(350., 350., 350.), 82341, 5, 0.6}; //terrain
-NoiseParams nparams_v7_def_bgroup =
- {0.5, 1/(2*1.6), v3f(350., 350., 350.), 5923, 2, 0.60}; //0 to 1
-NoiseParams nparams_v7_def_heat =
- {25.0, 50.0, v3f(500., 500., 500.), 35293, 1, 0.00}; //-25 to 75
-NoiseParams nparams_v7_def_humidity =
- {50, 100/(2*1.6), v3f(750., 750., 750.), 12094, 2, 0.60}; //0 to 100
+class BiomeDefManager;
+class Biome;
+class EmergeManager;
+class MapBlock;
+class ManualMapVoxelManipulator;
+class VoxelManipulator;
+class INodeDefManager;
+struct BlockMakeData;
+class VoxelArea;
struct MapgenParams {
- int seed;
- int water_level;
+ 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) {};
};
-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;
- }
-};
-
-struct MapgenV7Params : public MapgenParams {
- NoiseParams *np_terrain;
- NoiseParams *np_bgroup;
- NoiseParams *np_heat;
- NoiseParams *np_humidity;
-
- MapgenV7Params() {
- np_terrain = &nparams_v7_def_terrain;
- np_bgroup = &nparams_v7_def_bgroup;
- np_heat = &nparams_v7_def_heat;
- np_humidity = &nparams_v7_def_humidity;
- }
-};
-
-
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;
//Legacy functions for Farmesh (pending removal)
static bool get_have_beach(u64 seed, v2s16 p2d);
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;
- 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;
-
- u32 flags;
- float freq_desert;
- float freq_beach;
-
- MapgenV6(int mapgenid, MapgenV6Params *params);
- ~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);
+enum OreType {
+ ORE_SCATTER,
+ ORE_SHEET,
+ ORE_CLAYLIKE
};
+#define ORE_RANGE_ACTUAL 1
+#define ORE_RANGE_MIRROR 2
-class MapgenV7 : public Mapgen {
+class Ore {
public:
- BlockMakeData *data;
- ManualMapVoxelManipulator *vmanip;
- INodeDefManager *ndef;
- BiomeDefManager *biomedef;
-
- int ystride;
- int zstride;
-
- v3s16 csize;
-
- 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;
- u32 flags;
-
-/*
- 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, MapgenV7Params *params);
- ~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);
+ 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;
};
-class EmergeManager {
-public:
- //settings
- int mg_version;
- MapgenParams *params;
-
- //mapgen objects here
- Mapgen *mapgen;
-
- //biome manager
- BiomeDefManager *biomedef;
-
- EmergeManager(IGameDef *gamedef, int mg_version=6);
- ~EmergeManager();
-
- Mapgen *getMapgen();
- void setMapgenParams();
- void addBlockToQueue();
-
- //mapgen helper methods
- Biome *getBiomeAtPoint(v3s16 p);
- int getGroundLevelAtPoint(v2s16 p);
- bool isBlockUnderground(v3s16 blockpos);
- u32 getBlockSeed(v3s16 p);
+class OreScatter : public Ore {
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
};
+class OreSheet : public Ore {
+ virtual void generate(ManualMapVoxelManipulator *vm, int seed,
+ u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
-/*
-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<v3s16> transforming_liquid;
- INodeDefManager *nodedef;
-
- BlockMakeData();
- ~BlockMakeData();
- };
+Ore *createOre(OreType type);
-}; // namespace mapgen
-*/
#endif
projects / dragonfireclient.git / blobdiff