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Objectpos over limit: Avoid crash caused by sector over limit 

Reduce the object limit by mapblock size, to avoid objects being
added just inside the map generation limit but in a block and sector
that extend beyond the map generation limit.

Change notification of 'objectpos over limit' from red in-chat ERROR
to in-terminal only WARNING, since this will happen often using mob
mods near the world's edge.
master
paramat 2017-02-13 04:37:25 +00:00
parent 2dcbc01904
commit 3955f51253
2 changed files with 13 additions and 9 deletions
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20
src/mapblock.h
View File

@ -669,14 +669,18 @@ typedef std::vector<MapBlock*> MapBlockVect;
inline bool objectpos_over_limit(v3f p)
{
const float map_gen_limit_bs = MYMIN(MAX_MAP_GENERATION_LIMIT,
g_settings->getU16("map_generation_limit")) * BS;
return (p.X < -map_gen_limit_bs
|| p.X > map_gen_limit_bs
|| p.Y < -map_gen_limit_bs
|| p.Y > map_gen_limit_bs
|| p.Z < -map_gen_limit_bs
|| p.Z > map_gen_limit_bs);
// MAP_BLOCKSIZE must be subtracted to avoid an object being spawned just
// within the map generation limit but in a block and sector that extend
// beyond the map generation limit.
// This avoids crashes caused by sector over limit in createSector().
const float object_limit = (MYMIN(MAX_MAP_GENERATION_LIMIT,
g_settings->getU16("map_generation_limit")) - MAP_BLOCKSIZE) * BS;
return (p.X < -object_limit
|| p.X > object_limit
|| p.Y < -object_limit
|| p.Y > object_limit
|| p.Z < -object_limit
|| p.Z > object_limit);
}
/*

2
src/serverenvironment.cpp
View File

@ -1667,7 +1667,7 @@ u16 ServerEnvironment::addActiveObjectRaw(ServerActiveObject *object,
if (objectpos_over_limit(object->getBasePosition())) {
v3f p = object->getBasePosition();
errorstream << "ServerEnvironment::addActiveObjectRaw(): "
warningstream << "ServerEnvironment::addActiveObjectRaw(): "
<< "object position (" << p.X << "," << p.Y << "," << p.Z
<< ") outside maximum range" << std::endl;
if (object->environmentDeletes())