LCOV - code coverage report
Current view: top level - src - mapgen.h (source / functions) Hit Total Coverage
Test: report Lines: 1 12 8.3 %
Date: 2015-07-11 18:23:49 Functions: 1 13 7.7 %

          Line data    Source code
       1             : /*
       2             : Minetest
       3             : Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
       4             : 
       5             : This program is free software; you can redistribute it and/or modify
       6             : it under the terms of the GNU Lesser General Public License as published by
       7             : the Free Software Foundation; either version 2.1 of the License, or
       8             : (at your option) any later version.
       9             : 
      10             : This program is distributed in the hope that it will be useful,
      11             : but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             : GNU Lesser General Public License for more details.
      14             : 
      15             : You should have received a copy of the GNU Lesser General Public License along
      16             : with this program; if not, write to the Free Software Foundation, Inc.,
      17             : 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      18             : */
      19             : 
      20             : #ifndef MAPGEN_HEADER
      21             : #define MAPGEN_HEADER
      22             : 
      23             : #include "noise.h"
      24             : #include "nodedef.h"
      25             : #include "mapnode.h"
      26             : #include "util/string.h"
      27             : #include "util/container.h"
      28             : 
      29             : #define DEFAULT_MAPGEN "v6"
      30             : 
      31             : /////////////////// Mapgen flags
      32             : #define MG_TREES         0x01
      33             : #define MG_CAVES         0x02
      34             : #define MG_DUNGEONS      0x04
      35             : #define MG_FLAT          0x08
      36             : #define MG_LIGHT         0x10
      37             : 
      38             : class Settings;
      39             : class MMVManip;
      40             : class INodeDefManager;
      41             : 
      42             : extern FlagDesc flagdesc_mapgen[];
      43             : extern FlagDesc flagdesc_gennotify[];
      44             : 
      45             : class Biome;
      46             : class EmergeManager;
      47             : class MapBlock;
      48             : class VoxelManipulator;
      49             : struct BlockMakeData;
      50             : class VoxelArea;
      51             : class Map;
      52             : 
      53             : enum MapgenObject {
      54             :         MGOBJ_VMANIP,
      55             :         MGOBJ_HEIGHTMAP,
      56             :         MGOBJ_BIOMEMAP,
      57             :         MGOBJ_HEATMAP,
      58             :         MGOBJ_HUMIDMAP,
      59             :         MGOBJ_GENNOTIFY
      60             : };
      61             : 
      62             : enum GenNotifyType {
      63             :         GENNOTIFY_DUNGEON,
      64             :         GENNOTIFY_TEMPLE,
      65             :         GENNOTIFY_CAVE_BEGIN,
      66             :         GENNOTIFY_CAVE_END,
      67             :         GENNOTIFY_LARGECAVE_BEGIN,
      68             :         GENNOTIFY_LARGECAVE_END,
      69             :         GENNOTIFY_DECORATION,
      70             :         NUM_GENNOTIFY_TYPES
      71             : };
      72             : 
      73             : // TODO(hmmmm/paramat): make stone type selection dynamic
      74             : enum MgStoneType {
      75             :         STONE,
      76             :         DESERT_STONE,
      77             :         SANDSTONE,
      78             : };
      79             : 
      80           0 : struct GenNotifyEvent {
      81             :         GenNotifyType type;
      82             :         v3s16 pos;
      83             :         u32 id;
      84             : };
      85             : 
      86           0 : class GenerateNotifier {
      87             : public:
      88             :         GenerateNotifier();
      89             :         GenerateNotifier(u32 notify_on, std::set<u32> *notify_on_deco_ids);
      90             : 
      91             :         void setNotifyOn(u32 notify_on);
      92             :         void setNotifyOnDecoIds(std::set<u32> *notify_on_deco_ids);
      93             : 
      94             :         bool addEvent(GenNotifyType type, v3s16 pos, u32 id=0);
      95             :         void getEvents(std::map<std::string, std::vector<v3s16> > &event_map,
      96             :                 bool peek_events=false);
      97             : 
      98             : private:
      99             :         u32 m_notify_on;
     100             :         std::set<u32> *m_notify_on_deco_ids;
     101             :         std::list<GenNotifyEvent> m_notify_events;
     102             : };
     103             : 
     104           0 : struct MapgenSpecificParams {
     105             :         virtual void readParams(const Settings *settings) = 0;
     106             :         virtual void writeParams(Settings *settings) const = 0;
     107           0 :         virtual ~MapgenSpecificParams() {}
     108             : };
     109             : 
     110           0 : struct MapgenParams {
     111             :         std::string mg_name;
     112             :         s16 chunksize;
     113             :         u64 seed;
     114             :         s16 water_level;
     115             :         u32 flags;
     116             : 
     117             :         NoiseParams np_biome_heat;
     118             :         NoiseParams np_biome_heat_blend;
     119             :         NoiseParams np_biome_humidity;
     120             :         NoiseParams np_biome_humidity_blend;
     121             : 
     122             :         MapgenSpecificParams *sparams;
     123             : 
     124           0 :         MapgenParams() :
     125             :                 mg_name(DEFAULT_MAPGEN),
     126             :                 chunksize(5),
     127             :                 seed(0),
     128             :                 water_level(1),
     129             :                 flags(MG_TREES | MG_CAVES | MG_LIGHT),
     130             :                 np_biome_heat(NoiseParams(50, 50, v3f(1000.0, 1000.0, 1000.0), 5349, 3, 0.5, 2.0)),
     131             :                 np_biome_heat_blend(NoiseParams(0, 1.5, v3f(8.0, 8.0, 8.0), 13, 2, 1.0, 2.0)),
     132             :                 np_biome_humidity(NoiseParams(50, 50, v3f(1000.0, 1000.0, 1000.0), 842, 3, 0.5, 2.0)),
     133             :                 np_biome_humidity_blend(NoiseParams(0, 1.5, v3f(8.0, 8.0, 8.0), 90003, 2, 1.0, 2.0)),
     134           0 :                 sparams(NULL)
     135           0 :         {}
     136             : 
     137             :         void load(const Settings &settings);
     138             :         void save(Settings &settings) const;
     139             : };
     140             : 
     141             : class Mapgen {
     142             : public:
     143             :         int seed;
     144             :         int water_level;
     145             :         u32 flags;
     146             :         bool generating;
     147             :         int id;
     148             : 
     149             :         MMVManip *vm;
     150             :         INodeDefManager *ndef;
     151             : 
     152             :         u32 blockseed;
     153             :         s16 *heightmap;
     154             :         u8 *biomemap;
     155             :         float *heatmap;
     156             :         float *humidmap;
     157             :         v3s16 csize;
     158             : 
     159             :         GenerateNotifier gennotify;
     160             : 
     161             :         Mapgen();
     162             :         Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge);
     163             :         virtual ~Mapgen();
     164             : 
     165             :         static u32 getBlockSeed(v3s16 p, int seed);
     166             :         static u32 getBlockSeed2(v3s16 p, int seed);
     167             :         s16 findGroundLevelFull(v2s16 p2d);
     168             :         s16 findGroundLevel(v2s16 p2d, s16 ymin, s16 ymax);
     169             :         void updateHeightmap(v3s16 nmin, v3s16 nmax);
     170             :         void updateLiquid(UniqueQueue<v3s16> *trans_liquid, v3s16 nmin, v3s16 nmax);
     171             : 
     172             :         void setLighting(u8 light, v3s16 nmin, v3s16 nmax);
     173             :         void lightSpread(VoxelArea &a, v3s16 p, u8 light);
     174             : 
     175             :         void calcLighting(v3s16 nmin, v3s16 nmax);
     176             :         void calcLighting(v3s16 nmin, v3s16 nmax,
     177             :                 v3s16 full_nmin, v3s16 full_nmax);
     178             : 
     179             :         void propagateSunlight(v3s16 nmin, v3s16 nmax);
     180             :         void spreadLight(v3s16 nmin, v3s16 nmax);
     181             : 
     182             :         void calcLightingOld(v3s16 nmin, v3s16 nmax);
     183             : 
     184           0 :         virtual void makeChunk(BlockMakeData *data) {}
     185           0 :         virtual int getGroundLevelAtPoint(v2s16 p) { return 0; }
     186             : };
     187             : 
     188           4 : struct MapgenFactory {
     189             :         virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
     190             :                 EmergeManager *emerge) = 0;
     191             :         virtual MapgenSpecificParams *createMapgenParams() = 0;
     192           0 :         virtual ~MapgenFactory() {}
     193             : };
     194             : 
     195             : #endif

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