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Give the Mapgen on each EmergeThread its own Biome/Ore/Deco/SchemManager copy

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This commit is contained in:
sfan5
2020-04-10 02:05:20 +02:00
committed by Loïc Blot
parent 2062c80e21
commit 3c65d1acec
27 changed files with 225 additions and 77 deletions
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16
src/mapgen/mg_decoration.cpp
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@@ -391,6 +391,13 @@ size_t DecoSimple::generate(MMVManip *vm, PcgRandom *pr, v3s16 p, bool ceiling)
///////////////////////////////////////////////////////////////////////////////
DecoSchematic::~DecoSchematic()
{
if (was_cloned)
delete schematic;
}
ObjDef *DecoSchematic::clone() const
{
auto def = new DecoSchematic();
@@ -398,9 +405,12 @@ ObjDef *DecoSchematic::clone() const
NodeResolver::cloneTo(def);
def->rotation = rotation;
/* FIXME: This is not ideal, we only have a pointer to the schematic despite
* not owning it. Optimally this would be a handle. */
def->schematic = schematic; // not cloned
/* FIXME: We do not own this schematic, yet we only have a pointer to it
* and not a handle. We are left with no option but to clone it ourselves.
* This is a waste of memory and should be replaced with an alternative
* approach sometime. */
def->schematic = dynamic_cast<Schematic*>(schematic->clone());
def->was_cloned = true;
return def;
}