/*
-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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+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 "common_irrlicht.h"
-#include "utility.h" // UniqueQueue
+#include "irrlichttypes_bloated.h"
+#include "util/container.h" // UniqueQueue
+#include "gamedef.h"
+#include "nodedef.h"
+#include "mapnode.h"
+#include "noise.h"
+#include "settings.h"
-struct BlockMakeData;
+/////////////////// 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
+#define MG_NOLIGHT 0x40
+#define MGV7_MOUNTAINS 0x80
+#define MGV7_RIDGES 0x100
+
+/////////////////// 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
+
+/////////////////// Decoration flags
+#define DECO_PLACE_CENTER_X 1
+#define DECO_PLACE_CENTER_Y 2
+#define DECO_PLACE_CENTER_Z 4
+
+extern FlagDesc flagdesc_mapgen[];
+extern FlagDesc flagdesc_ore[];
+extern FlagDesc flagdesc_deco_schematic[];
+
+class BiomeDefManager;
+class Biome;
+class EmergeManager;
class MapBlock;
class ManualMapVoxelManipulator;
-class INodeDefManager;
-
-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);
-
- // Add a tree
- void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0,
- bool is_apple_tree, INodeDefManager *ndef);
-
- /*
- 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();
- };
-
-}; // namespace mapgen
+class VoxelManipulator;
+struct BlockMakeData;
+class VoxelArea;
+class Map;
+
+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) { return true; }
+ virtual void writeParams(Settings *settings) {}
+ virtual ~MapgenParams() {}
+};
+
+class Mapgen {
+public:
+ int seed;
+ int water_level;
+ bool generating;
+ int id;
+ ManualMapVoxelManipulator *vm;
+ INodeDefManager *ndef;
+
+ s16 *heightmap;
+ u8 *biomemap;
+ v3s16 csize;
+
+ 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) { return 0; }
+};
+
+struct MapgenFactory {
+ virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
+ EmergeManager *emerge) = 0;
+ virtual MapgenParams *createMapgenParams() = 0;
+ virtual ~MapgenFactory() {}
+};
+
+enum MapgenObject {
+ MGOBJ_VMANIP,
+ MGOBJ_HEIGHTMAP,
+ MGOBJ_BIOMEMAP,
+ MGOBJ_HEATMAP,
+ MGOBJ_HUMIDMAP
+};
+
+enum OreType {
+ ORE_SCATTER,
+ ORE_SHEET,
+ ORE_CLAYLIKE
+};
+
+#define ORE_RANGE_ACTUAL 1
+#define ORE_RANGE_MIRROR 2
+
+class Ore {
+public:
+ std::string ore_name;
+ std::vector<std::string> wherein_names;
+ content_t ore;
+ std::vector<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;
+ 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);
+};
+
+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
+};
+
+#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
+
+class Decoration {
+public:
+ INodeDefManager *ndef;
+
+ int mapseed;
+ std::string place_on_name;
+ content_t c_place_on;
+ s16 sidelen;
+ float fill_ratio;
+ NoiseParams *np;
+
+ std::set<u8> biomes;
+ //std::list<CutoffData> cutoffs;
+ //JMutex cutoff_mutex;
+
+ Decoration();
+ 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, v3s16 p) = 0;
+ virtual int getHeight() = 0;
+ virtual std::string getName() = 0;
+};
+
+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;
+
+ std::vector<std::string> decolist_names;
+ std::vector<content_t> c_decolist;
+
+ ~DecoSimple() {}
+
+ void resolveNodeNames(INodeDefManager *ndef);
+ virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
+ virtual int getHeight();
+ virtual std::string getName();
+};
+
+#define MTSCHEM_FILE_SIGNATURE 0x4d54534d // 'MTSM'
+#define MTSCHEM_PROB_NEVER 0x00
+#define MTSCHEM_PROB_ALWAYS 0xFF
+
+class DecoSchematic : public Decoration {
+public:
+ std::string filename;
+
+ std::vector<std::string> *node_names;
+ std::vector<content_t> c_nodes;
+ std::map<std::string, std::string> replacements;
+
+ u32 flags;
+ Rotation rotation;
+ v3s16 size;
+ MapNode *schematic;
+
+ DecoSchematic();
+ ~DecoSchematic();
+
+ void resolveNodeNames(INodeDefManager *ndef);
+ virtual void generate(Mapgen *mg, PseudoRandom *pr, s16 max_y, v3s16 p);
+ virtual int getHeight();
+ virtual std::string getName();
+
+ void blitToVManip(v3s16 p, ManualMapVoxelManipulator *vm,
+ Rotation rot, bool force_placement);
+
+ bool loadSchematicFile();
+ void saveSchematicFile(INodeDefManager *ndef);
+
+ bool getSchematicFromMap(Map *map, v3s16 p1, v3s16 p2);
+ void placeStructure(Map *map, v3s16 p);
+ void applyProbabilities(std::vector<std::pair<v3s16, u8> > *plist, v3s16 p0);
+};
+
+void build_nnlist_and_update_ids(MapNode *nodes, u32 nodecount,
+ std::vector<content_t> *usednodes);
+
+/*
+class DecoLSystem : public Decoration {
+public:
+ virtual void generate(Mapgen *mg, u32 blockseed, v3s16 nmin, v3s16 nmax);
+};
+*/
+
+Decoration *createDecoration(DecorationType type);
#endif
projects / dragonfireclient.git / blobdiff