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/*
Minetest
Copyright (C) 2010-2013 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
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 EMERGE_HEADER
#define EMERGE_HEADER
#include <map>
#include <queue>
#include "util/thread.h"
#define BLOCK_EMERGE_ALLOWGEN (1<<0)
#define EMERGE_DBG_OUT(x) \
{ if (enable_mapgen_debug_info) \
infostream << "EmergeThread: " x << std::endl; }
class Mapgen;
struct MapgenParams;
struct MapgenFactory;
class Biome;
class BiomeDefManager;
class EmergeThread;
class ManualMapVoxelManipulator;
#include "server.h"
struct BlockMakeData {
ManualMapVoxelManipulator *vmanip;
u64 seed;
v3s16 blockpos_min;
v3s16 blockpos_max;
v3s16 blockpos_requested;
UniqueQueue<v3s16> transforming_liquid;
INodeDefManager *nodedef;
BlockMakeData():
vmanip(NULL),
seed(0),
nodedef(NULL)
{}
~BlockMakeData() { delete vmanip; }
};
struct BlockEmergeData {
u16 peer_requested;
u8 flags;
};
class EmergeManager {
public:
INodeDefManager *ndef;
std::map<std::string, MapgenFactory *> mglist;
std::vector<Mapgen *> mapgen;
std::vector<EmergeThread *> emergethread;
//settings
MapgenParams *params;
bool mapgen_debug_info;
u16 qlimit_total;
u16 qlimit_diskonly;
u16 qlimit_generate;
//block emerge queue data structures
JMutex queuemutex;
std::map<v3s16, BlockEmergeData *> blocks_enqueued;
std::map<u16, u16> peer_queue_count;
//Mapgen-related structures
BiomeDefManager *biomedef;
std::vector<Ore *> ores;
std::vector<Decoration *> decorations;
EmergeManager(IGameDef *gamedef);
~EmergeManager();
void initMapgens(MapgenParams *mgparams);
Mapgen *createMapgen(std::string mgname, int mgid,
MapgenParams *mgparams);
MapgenParams *createMapgenParams(std::string mgname);
bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate);
void registerMapgen(std::string name, MapgenFactory *mgfactory);
MapgenParams *getParamsFromSettings(Settings *settings);
void setParamsToSettings(Settings *settings);
//mapgen helper methods
Biome *getBiomeAtPoint(v3s16 p);
int getGroundLevelAtPoint(v2s16 p);
bool isBlockUnderground(v3s16 blockpos);
u32 getBlockSeed(v3s16 p);
};
class EmergeThread : public SimpleThread
{
Server *m_server;
ServerMap *map;
EmergeManager *emerge;
Mapgen *mapgen;
bool enable_mapgen_debug_info;
int id;
public:
Event qevent;
std::queue<v3s16> blockqueue;
EmergeThread(Server *server, int ethreadid):
SimpleThread(),
m_server(server),
map(NULL),
emerge(NULL),
mapgen(NULL),
id(ethreadid)
{
}
void *Thread();
void trigger()
{
setRun(true);
if(IsRunning() == false)
{
Start();
}
}
bool popBlockEmerge(v3s16 *pos, u8 *flags);
bool getBlockOrStartGen(v3s16 p, MapBlock **b,
BlockMakeData *data, bool allow_generate);
};
#endif
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