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Fix crash in commit() when all components were removed from entity

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Fix crash from issue #2 and add unittest case for it. Also implements general "empty" entity support
This commit is contained in:
Mergul 2023-04-24 23:46:16 +02:00
parent beb1837c43
commit 8ac9fa5dbd
3 changed files with 185 additions and 42 deletions
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29
tests/bugs.d
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@ -142,5 +142,34 @@ unittest
gEntityManager.update();
gEntityManager.end();
gEntityManager.destroy();
}
@("2-empty-entity-crash")
unittest
{
gEntityManager.initialize(0);
gEntityManager.beginRegister();
gEntityManager.registerComponent!CInt;
gEntityManager.registerComponent!CFloat;
gEntityManager.endRegister();
EntityTemplate* tmpl = gEntityManager.allocateTemplate([becsID!CInt, becsID!CFloat].staticArray);
scope(exit) gEntityManager.freeTemplate(tmpl);
EntityID id = gEntityManager.addEntity(tmpl).id;
// EntityID id2 = gEntityManager.addEntity().id;
gEntityManager.commit();
gEntityManager.removeComponents(id, [becsID!CInt, becsID!CFloat].staticArray);
gEntityManager.commit();
gEntityManager.destroy();
}