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Objectpos over limit: Avoid crash caused by sector over limit

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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.
This commit is contained in:
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) inline bool objectpos_over_limit(v3f p)
{ {
const float map_gen_limit_bs = MYMIN(MAX_MAP_GENERATION_LIMIT, // MAP_BLOCKSIZE must be subtracted to avoid an object being spawned just
g_settings->getU16("map_generation_limit")) * BS; // within the map generation limit but in a block and sector that extend
return (p.X < -map_gen_limit_bs // beyond the map generation limit.
|| p.X > map_gen_limit_bs // This avoids crashes caused by sector over limit in createSector().
|| p.Y < -map_gen_limit_bs const float object_limit = (MYMIN(MAX_MAP_GENERATION_LIMIT,
|| p.Y > map_gen_limit_bs g_settings->getU16("map_generation_limit")) - MAP_BLOCKSIZE) * BS;
|| p.Z < -map_gen_limit_bs return (p.X < -object_limit
|| p.Z > map_gen_limit_bs); || 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())) { if (objectpos_over_limit(object->getBasePosition())) {
v3f p = object->getBasePosition(); v3f p = object->getBasePosition();
errorstream << "ServerEnvironment::addActiveObjectRaw(): " warningstream << "ServerEnvironment::addActiveObjectRaw(): "
<< "object position (" << p.X << "," << p.Y << "," << p.Z << "object position (" << p.X << "," << p.Y << "," << p.Z
<< ") outside maximum range" << std::endl; << ") outside maximum range" << std::endl;
if (object->environmentDeletes()) if (object->environmentDeletes())