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You can write a function, a utility template or a macro to make repetitive tasks like generating responsive images easier. I usually prefer templates, because they're easy to extend and they can take a lot of optional arguments without the user needing to pass all of them.
Building your own utility templates is a good time investments, since you can create a ...
1
Assuming the Assets field on your block has a handle of asset, you could do:
{object.asset.one().kind}/{owner.slug}
1
You can access the field in the entry by using the normal array syntax, $entry[$fieldHandle]. Depending on whether or not the field is eager-loaded, this will now be either an ElementQuery, which you can run ->all() on, or an array of assets.
When you have the asset, you can use $asset->getUrl($transform) to get the URL to a transformed image.
use ...
1
I'm not sure why you need it checked in your exact scenario but this was added in 3.4.21. Information on it here: https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#3421---2020-05-28 and here: https://github.com/craftcms/cms/issues/6113)
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Craft has a newer asset method called getSrcset which should be close to what you need. Here's the code example from the docs:
{% do asset.setTransform({ width: 300, height: 300 }) %}
{{ tag('img', {
src: asset.url,
width: asset.width,
height: asset.height,
srcset: asset.getSrcset(['1.5x', '2x', '3x']),
alt: asset.title,
}) }}
You can also skip ...
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