/*
-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 "noise.h"
+#include "nodedef.h"
+#include "mapnode.h"
+#include "util/string.h"
+#include "util/container.h"
-struct BlockMakeData;
+#define DEFAULT_MAPGEN "v6"
+
+/////////////////// Mapgen flags
+#define MG_TREES 0x01
+#define MG_CAVES 0x02
+#define MG_DUNGEONS 0x04
+#define MG_FLAT 0x08
+#define MG_LIGHT 0x10
+
+class Settings;
+class MMVManip;
+class INodeDefManager;
+
+extern FlagDesc flagdesc_mapgen[];
+extern FlagDesc flagdesc_gennotify[];
+
+class Biome;
+class EmergeManager;
class MapBlock;
-class ManualMapVoxelManipulator;
-
-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);
-
- // Main map generation routine
- void make_block(BlockMakeData *data);
-
- // Add objects according to block content
- void add_random_objects(MapBlock *block);
-
- // Add a tree
- void make_tree(ManualMapVoxelManipulator &vmanip, v3s16 p0, bool is_apple_tree);
-
- /*
- These are used by FarMesh
- */
- bool get_have_sand(u64 seed, v2s16 p2d);
- double tree_amount_2d(u64 seed, v2s16 p);
-
-
- struct BlockMakeData
+class VoxelManipulator;
+struct BlockMakeData;
+class VoxelArea;
+class Map;
+
+enum MapgenObject {
+ MGOBJ_VMANIP,
+ MGOBJ_HEIGHTMAP,
+ MGOBJ_BIOMEMAP,
+ MGOBJ_HEATMAP,
+ MGOBJ_HUMIDMAP,
+ MGOBJ_GENNOTIFY
+};
+
+enum GenNotifyType {
+ GENNOTIFY_DUNGEON,
+ GENNOTIFY_TEMPLE,
+ GENNOTIFY_CAVE_BEGIN,
+ GENNOTIFY_CAVE_END,
+ GENNOTIFY_LARGECAVE_BEGIN,
+ GENNOTIFY_LARGECAVE_END,
+ GENNOTIFY_DECORATION,
+ NUM_GENNOTIFY_TYPES
+};
+
+struct GenNotifyEvent {
+ GenNotifyType type;
+ v3s16 pos;
+ u32 id;
+};
+
+class GenerateNotifier {
+public:
+ GenerateNotifier();
+ GenerateNotifier(u32 notify_on, std::set<u32> *notify_on_deco_ids);
+
+ void setNotifyOn(u32 notify_on);
+ void setNotifyOnDecoIds(std::set<u32> *notify_on_deco_ids);
+
+ bool addEvent(GenNotifyType type, v3s16 pos, u32 id=0);
+ void getEvents(std::map<std::string, std::vector<v3s16> > &event_map,
+ bool peek_events=false);
+
+private:
+ u32 m_notify_on;
+ std::set<u32> *m_notify_on_deco_ids;
+ std::list<GenNotifyEvent> m_notify_events;
+};
+
+struct MapgenSpecificParams {
+ virtual void readParams(Settings *settings) = 0;
+ virtual void writeParams(Settings *settings) = 0;
+ virtual ~MapgenSpecificParams() {}
+};
+
+struct MapgenParams {
+ std::string mg_name;
+ s16 chunksize;
+ u64 seed;
+ s16 water_level;
+ u32 flags;
+
+ NoiseParams np_biome_heat;
+ NoiseParams np_biome_humidity;
+
+ MapgenSpecificParams *sparams;
+
+ MapgenParams()
{
- bool no_op;
- ManualMapVoxelManipulator *vmanip;
- u64 seed;
- v3s16 blockpos;
- UniqueQueue<v3s16> transforming_liquid;
+ mg_name = DEFAULT_MAPGEN;
+ seed = 0;
+ water_level = 1;
+ chunksize = 5;
+ flags = MG_TREES | MG_CAVES | MG_LIGHT;
+ sparams = NULL;
+ np_biome_heat = NoiseParams(50, 50, v3f(500.0, 500.0, 500.0), 5349, 3, 0.5, 2.0);
+ np_biome_humidity = NoiseParams(50, 50, v3f(500.0, 500.0, 500.0), 842, 3, 0.5, 2.0);
+ }
+};
- BlockMakeData();
- ~BlockMakeData();
- };
+class Mapgen {
+public:
+ int seed;
+ int water_level;
+ u32 flags;
+ bool generating;
+ int id;
-}; // namespace mapgen
+ MMVManip *vm;
+ INodeDefManager *ndef;
-#endif
+ u32 blockseed;
+ s16 *heightmap;
+ u8 *biomemap;
+ v3s16 csize;
+
+ GenerateNotifier gennotify;
+
+ Mapgen();
+ Mapgen(int mapgenid, MapgenParams *params, EmergeManager *emerge);
+ virtual ~Mapgen();
+
+ static u32 getBlockSeed(v3s16 p, int seed);
+ static u32 getBlockSeed2(v3s16 p, int seed);
+ 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(u8 light, v3s16 nmin, v3s16 nmax);
+ void lightSpread(VoxelArea &a, v3s16 p, u8 light);
+
+ void calcLighting(v3s16 nmin, v3s16 nmax);
+ void calcLighting(v3s16 nmin, v3s16 nmax,
+ v3s16 full_nmin, v3s16 full_nmax);
+
+ void propagateSunlight(v3s16 nmin, v3s16 nmax);
+ void spreadLight(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 MapgenSpecificParams *createMapgenParams() = 0;
+ virtual ~MapgenFactory() {}
+};
+
+class GenElement {
+public:
+ virtual ~GenElement() {}
+ u32 id;
+ std::string name;
+};
+
+class GenElementManager {
+public:
+ static const char *ELEMENT_TITLE;
+ static const size_t ELEMENT_LIMIT = -1;
+
+ GenElementManager(IGameDef *gamedef);
+ virtual ~GenElementManager();
+
+ virtual GenElement *create(int type) = 0;
+
+ virtual u32 add(GenElement *elem);
+ virtual GenElement *get(u32 id);
+ virtual GenElement *update(u32 id, GenElement *elem);
+ virtual GenElement *remove(u32 id);
+ virtual void clear();
+
+ virtual GenElement *getByName(const std::string &name);
+
+protected:
+ INodeDefManager *m_ndef;
+ std::vector<GenElement *> m_elements;
+};
+
+#endif
projects / minetest.git / blobdiff