Method setIsEntityDisabled

src/components/Components.cpp:159–194

Notify if a given entity is disabled (sleeping) or not

// Notify if a given entity is disabled (sleeping) or not
void Components::setIsEntityDisabled(Entity entity, bool isDisabled) {

    const uint32 index = mMapEntityToComponentIndex[entity];

    // If the component was disabled and is not disabled anymore
    if (!isDisabled && index >= mDisabledStartIndex) {

        assert(mDisabledStartIndex < mNbComponents);

        // If the disabled component is not the first disabled component
        if (mDisabledStartIndex != index) {

            // Swap the first disabled component with the one we need to enable it
            swapComponents(index, mDisabledStartIndex);
        }

        mDisabledStartIndex++;
    }
    // If the component was enabled and must now be disabled
    else if (isDisabled && index < mDisabledStartIndex) {

        assert(mDisabledStartIndex > 0);

        // If the enabled component is not the only enabled component
        if (index != mDisabledStartIndex - 1) {

            // Swap the last enabled component with the one we need to disable
            swapComponents(index, mDisabledStartIndex - 1);
        }

        mDisabledStartIndex--;
    }

    assert(mDisabledStartIndex <= mNbComponents);
    assert(mNbComponents == static_cast<uint32>(mMapEntityToComponentIndex.size()));
}