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server now won't crash when it is tries to generate blocks that are not inside MAP_GENERATION_LIMIT

This commit is contained in:
Perttu Ahola 2011-02-15 01:02:31 +02:00
parent 9a58749347
commit 2684e620b5
2 changed files with 47 additions and 37 deletions
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53
src/map.cpp
View File

@ -4412,6 +4412,17 @@ MapBlock * ServerMap::createBlock(v3s16 p)
DSTACK("%s: p=(%d,%d,%d)",
__FUNCTION_NAME, p.X, p.Y, p.Z);
/*
Do not create over-limit
*/
if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
throw InvalidPositionException("createBlock(): pos. over limit");
v2s16 p2d(p.X, p.Z);
s16 block_y = p.Y;
/*
@ -4426,17 +4437,22 @@ MapBlock * ServerMap::createBlock(v3s16 p)
sector = (ServerMapSector*)createSector(p2d);
assert(sector->getId() == MAPSECTOR_SERVER);
}
/*catch(InvalidPositionException &e)
catch(InvalidPositionException &e)
{
dstream<<"createBlock: createSector() failed"<<std::endl;
throw e;
}*/
catch(std::exception &e)
}
/*
NOTE: This should not be done, or at least the exception
should not be passed on as std::exception, because it
won't be catched at all.
*/
/*catch(std::exception &e)
{
dstream<<"createBlock: createSector() failed: "
<<e.what()<<std::endl;
throw e;
}
}*/
/*
Try to get a block from the sector
@ -4461,6 +4477,17 @@ MapBlock * ServerMap::emergeBlock(
__FUNCTION_NAME,
p.X, p.Y, p.Z, only_from_disk);
/*
Do not generate over-limit
*/
if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
|| p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
throw InvalidPositionException("generateBlock(): pos. over limit");
v2s16 p2d(p.X, p.Z);
s16 block_y = p.Y;
/*
@ -4472,7 +4499,7 @@ MapBlock * ServerMap::emergeBlock(
sector = (ServerMapSector*)emergeSector(p2d, changed_blocks);
assert(sector->getId() == MAPSECTOR_SERVER);
}
catch(std::exception &e)
catch(InvalidPositionException &e)
{
dstream<<"emergeBlock: emergeSector() failed: "
<<e.what()<<std::endl;
@ -4481,6 +4508,20 @@ MapBlock * ServerMap::emergeBlock(
<<"You could try to delete it."<<std::endl;
throw e;
}
/*
NOTE: This should not be done, or at least the exception
should not be passed on as std::exception, because it
won't be catched at all.
*/
/*catch(std::exception &e)
{
dstream<<"emergeBlock: emergeSector() failed: "
<<e.what()<<std::endl;
dstream<<"Path to failed sector: "<<getSectorDir(p2d)
<<std::endl
<<"You could try to delete it."<<std::endl;
throw e;
}*/
/*
Try to get a block from the sector
@ -5263,7 +5304,7 @@ MapSector * ClientMap::emergeSector(v2s16 p2d)
{
}
// Create a sector with no heightmaps
// Create a sector
ClientMapSector *sector = new ClientMapSector(this, p2d);
{

31
src/server.cpp
View File

@ -166,37 +166,6 @@ void * EmergeThread::Thread()
only_from_disk,
changed_blocks,
lighting_invalidated_blocks);
#if 0
/*
EXPERIMENTAL: Create a few other blocks too
*/
map.emergeBlock(
p + v3s16(0,1,0),
only_from_disk,
changed_blocks,
lighting_invalidated_blocks);
map.emergeBlock(
p + v3s16(0,-1,0),
only_from_disk,
changed_blocks,
lighting_invalidated_blocks);
#if 0
map.emergeBlock(
p + v3s16(0,2,0),
only_from_disk,
changed_blocks,
lighting_invalidated_blocks);
map.emergeBlock(
p + v3s16(0,-2,0),
only_from_disk,
changed_blocks,
lighting_invalidated_blocks);
#endif
#endif
}
// If it is a dummy, block was not found on disk