Method GetComponentByEntityHandle

OsiInterface/DivInterface.cpp:311–345

	}

	void * EntityWorld::GetComponentByEntityHandle(ObjectHandle entityHandle, ComponentType type)
	{
		if (entityHandle.GetType() != 0) {
			OsiError("Entity handle has invalid type " << entityHandle.GetType());
			return nullptr;
		}

		auto index = entityHandle.GetIndex();
		if (index >= EntityEntries.Size) {
			OsiError("Entity index " << index << " too large!");
			return nullptr;
		}

		auto salt = entityHandle.GetSalt();
		if (salt != EntitySalts.Buf[index]) {
			OsiError("Salt mismatch on index " << index << "; " << salt << " != " << EntitySalts.Buf[index]);
			return nullptr;
		}

		auto entity = EntityEntries.Buf[index];
		if ((uint32_t)type >= entity->Layout.Entries.Size) {
			OsiError("Entity " << index << " has no component slot for " << (uint32_t)type);
			return nullptr;
		}

		auto const & layoutEntry = entity->Layout.Entries.Buf[(uint32_t)type];
		if (!layoutEntry.Handle.IsValid()) {
			OsiError("Entity " << index << " has no component bound to slot " << (uint32_t)type);
			return nullptr;
		}

		ObjectHandle componentHandle{ layoutEntry.Handle.Handle };
		auto componentMgr = Components.Buf[(uint32_t)type].component;
		return componentMgr->FindComponentByHandle(&componentHandle);
	}


	PendingStatuses gPendingStatuses;