/*
-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"
+#include "settings.h"
+#include <map>
+
+/////////////////// Mapgen flags
+#define MG_TREES 0x01
+#define MG_CAVES 0x02
+#define MG_DUNGEONS 0x04
+#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;
-
-//struct BlockMakeData;
+class EmergeManager;
class MapBlock;
class ManualMapVoxelManipulator;
class VoxelManipulator;
class INodeDefManager;
+struct BlockMakeData;
+class VoxelArea;
-
-enum BiomeType
-{
- BT_NORMAL,
- BT_DESERT
-};
-
-
-struct BlockMakeData {
- bool no_op;
- ManualMapVoxelManipulator *vmanip;
+struct MapgenParams {
+ std::string mg_name;
+ int chunksize;
u64 seed;
- v3s16 blockpos_min;
- v3s16 blockpos_max;
- v3s16 blockpos_requested;
- UniqueQueue<v3s16> transforming_liquid;
- INodeDefManager *nodedef;
-
- BlockMakeData();
- ~BlockMakeData();
+ 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;
+ 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 Mapgen(BiomeDefManager *biomedef, int mapgenid=0, u64 seed=0);
- //virtual ~Mapgen();
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;
-
- bool use_smooth_biome_trans;
-
- MapgenV6(int mapgenid=0, u64 seed=0);
- ~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;
- //int seed;
- //int water_level;
-
- 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;
-
- 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=0, u64 seed=0);
- MapgenV7(BiomeDefManager *biomedef, int mapgenid, u64 seed,
- NoiseParams *np_terrain, NoiseParams *np_bgroup,
- NoiseParams *np_heat, NoiseParams *np_humidity);
- void init(BiomeDefManager *biomedef, int mapgenid, u64 seed,
- NoiseParams *np_terrain, NoiseParams *np_bgroup,
- NoiseParams *np_heat, NoiseParams *np_humidity);
- ~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
- u64 seed;
- int water_level;
- NoiseParams *np_terrain;
- NoiseParams *np_bgroup;
- NoiseParams *np_heat;
- NoiseParams *np_humidity;
-
- //biome manager
- BiomeDefManager *biomedef;
-
- //mapgen objects here
-
- EmergeManager(IGameDef *gamedef);
- ~EmergeManager();
- 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