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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 "irr_v3d.h"
#include "util/container.h"
#include "mapgen.h" // for MapgenParams
#include "map.h"
#define BLOCK_EMERGE_ALLOWGEN (1<<0)
#define EMERGE_DBG_OUT(x) \
do { \
if (enable_mapgen_debug_info) \
infostream << "EmergeThread: " x << std::endl; \
} while (0)
class EmergeThread;
class INodeDefManager;
class Settings;
class BiomeManager;
class OreManager;
class DecorationManager;
class SchematicManager;
struct BlockMakeData {
MMVManip *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::vector<Mapgen *> mapgen;
std::vector<EmergeThread *> emergethread;
bool threads_active;
//settings
MapgenParams params;
bool mapgen_debug_info;
u16 qlimit_total;
u16 qlimit_diskonly;
u16 qlimit_generate;
u32 gen_notify_on;
std::set<u32> gen_notify_on_deco_ids;
//// Block emerge queue data structures
Mutex queuemutex;
std::map<v3s16, BlockEmergeData *> blocks_enqueued;
std::map<u16, u16> peer_queue_count;
//// Managers of map generation-related components
BiomeManager *biomemgr;
OreManager *oremgr;
DecorationManager *decomgr;
SchematicManager *schemmgr;
//// Methods
EmergeManager(IGameDef *gamedef);
~EmergeManager();
void loadMapgenParams();
static MapgenSpecificParams *createMapgenParams(const std::string &mgname);
void initMapgens();
Mapgen *getCurrentMapgen();
Mapgen *createMapgen(const std::string &mgname, int mgid,
MapgenParams *mgparams);
static void getMapgenNames(std::list<const char *> &mgnames);
void startThreads();
void stopThreads();
bool enqueueBlockEmerge(u16 peer_id, v3s16 p, bool allow_generate,
bool force_queue_block=false);
v3s16 getContainingChunk(v3s16 blockpos);
static v3s16 getContainingChunk(v3s16 blockpos, s16 chunksize);
// mapgen helper methods
Biome *getBiomeAtPoint(v3s16 p);
int getGroundLevelAtPoint(v2s16 p);
bool isBlockUnderground(v3s16 blockpos);
};
#endif
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