minetest/src/mapgen.h

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/*
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Minetest
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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
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 Lesser General Public License for more details.
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 "noise.h"
#include "nodedef.h"
#include "mapnode.h"
#include "util/string.h"
#include "util/container.h"
#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;
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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;
Cherry-pick most commits since 15c0376 Commits not directly related to network changes were cherry-picked on a best-effort basis, as some cause difficult merge conflicts. Commits skipped over: 0d1eedcccc8b83fd5f5a9a75389fe8ac97d2c697 aa474e4501f460ba853dc70ff4d97cbd061e6704 82482ecd9d45036da38335f7dd96232450338a28 b214cde5b4a833e1826ec6850b95bf1938c8b0a0 2066655aae2022384fc12a10c04dccfd2996f0ac 7e088fdfe3c77083606bce955624aef1da59bb32 40bf1d7b5f2a190ae89885c9ea99f52c476ea6be 1b2f64473ed4f222d3b7f02df853730d4382105e 7e56637ed07d9f32b4bd9049009cf7e1e4cff884 64ff966bae99813229dff6629fd9131a91ba7484 51057a56f540f4e74b424e22c94357e5cb5268b2 009149a073ac02dd412af3c203979157976c0dd8 cf4045ff0f7c96614e64b2b336e62a240f443ea6 e357577cb2c18fe29610ed406e01d8d1fda6bb89 49f84b76bcacb6de9544ebaf0a05c9f76ccf33b1 b019221c30f58ce1944d8f2421b40b31ba364716 7880ff74b65040ccb90bc30ba520d4a4215d45a0 146f77fdb750833c649de7159a0833c398e14a4d a704c04f00bfea4b77550169fa08105c2ee0dfd0 Commits with conflicts: 038d3a31dfa6c382a5a5a57f2ce367d1cd67fb9f e9eda2b0d0019890cd404e4af25b7adf349e288f 708337dfc2b3871dc6de983e781e4a4a60a1881d ~~ modified client.cpp manually; shadow changes to packethandlers/client.cpp 36e8ba9ce2d9eafb1f36e76e86113ed47afe8f7f ~~ modified main.cpp manually; add ALLOW_ZWRITE_ON_TRANSPARENT set 3b6480c5b0c968ad9f5a7cfb7ca494989be03629 ~~ modified server.cpp manually; change wrapDegrees -> modulo360f 5a5854ea9d0bc346b00f48f40b538b7a8d68b37a c09d026f0561ee3c6db821a7e193716f724a0e4a 3c91ad8fc2b7a7888503e85d31bfe286afa6560d
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std::vector<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()
{
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);
}
};
class Mapgen {
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public:
int seed;
int water_level;
u32 flags;
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bool generating;
int id;
MMVManip *vm;
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INodeDefManager *ndef;
u32 blockseed;
s16 *heightmap;
u8 *biomemap;
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v3s16 csize;
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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);
Cherry-pick most commits since 15c0376 Commits not directly related to network changes were cherry-picked on a best-effort basis, as some cause difficult merge conflicts. Commits skipped over: 0d1eedcccc8b83fd5f5a9a75389fe8ac97d2c697 aa474e4501f460ba853dc70ff4d97cbd061e6704 82482ecd9d45036da38335f7dd96232450338a28 b214cde5b4a833e1826ec6850b95bf1938c8b0a0 2066655aae2022384fc12a10c04dccfd2996f0ac 7e088fdfe3c77083606bce955624aef1da59bb32 40bf1d7b5f2a190ae89885c9ea99f52c476ea6be 1b2f64473ed4f222d3b7f02df853730d4382105e 7e56637ed07d9f32b4bd9049009cf7e1e4cff884 64ff966bae99813229dff6629fd9131a91ba7484 51057a56f540f4e74b424e22c94357e5cb5268b2 009149a073ac02dd412af3c203979157976c0dd8 cf4045ff0f7c96614e64b2b336e62a240f443ea6 e357577cb2c18fe29610ed406e01d8d1fda6bb89 49f84b76bcacb6de9544ebaf0a05c9f76ccf33b1 b019221c30f58ce1944d8f2421b40b31ba364716 7880ff74b65040ccb90bc30ba520d4a4215d45a0 146f77fdb750833c649de7159a0833c398e14a4d a704c04f00bfea4b77550169fa08105c2ee0dfd0 Commits with conflicts: 038d3a31dfa6c382a5a5a57f2ce367d1cd67fb9f e9eda2b0d0019890cd404e4af25b7adf349e288f 708337dfc2b3871dc6de983e781e4a4a60a1881d ~~ modified client.cpp manually; shadow changes to packethandlers/client.cpp 36e8ba9ce2d9eafb1f36e76e86113ed47afe8f7f ~~ modified main.cpp manually; add ALLOW_ZWRITE_ON_TRANSPARENT set 3b6480c5b0c968ad9f5a7cfb7ca494989be03629 ~~ modified server.cpp manually; change wrapDegrees -> modulo360f 5a5854ea9d0bc346b00f48f40b538b7a8d68b37a c09d026f0561ee3c6db821a7e193716f724a0e4a 3c91ad8fc2b7a7888503e85d31bfe286afa6560d
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void initHeightMap(s16 *dest, size_t len);
void updateHeightmap(v3s16 nmin, v3s16 nmax);
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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);
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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);
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void calcLightingOld(v3s16 nmin, v3s16 nmax);
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virtual void makeChunk(BlockMakeData *data) {}
virtual int getGroundLevelAtPoint(v2s16 p) { return 0; }
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};
struct MapgenFactory {
virtual Mapgen *createMapgen(int mgid, MapgenParams *params,
EmergeManager *emerge) = 0;
virtual MapgenSpecificParams *createMapgenParams() = 0;
virtual ~MapgenFactory() {}
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};
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