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dd419e77be
## About The Pull Request Instead of passing in an icon as a source to the alpha mask filter, we can stick a mutable appearance in our overlays list with a render target set, and use that render target to do our masking. Remember to use "*" to avoid rendering the crack twice ## Why It's Good For The Game CPU time
28 lines
1.2 KiB
Plaintext
28 lines
1.2 KiB
Plaintext
/// Adds crack overlays to an object when integrity gets low
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/datum/element/crackable
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element_flags = ELEMENT_BESPOKE
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argument_hash_start_idx = 2
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var/list/mutable_appearance/crack_appearances
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/// The level at which the object starts showing cracks, 1 being at full health and 0.5 being at half health
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var/crack_integrity = 1
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/datum/element/crackable/Attach(datum/target, icon/crack_icon, list/crack_states, crack_integrity)
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. = ..()
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if(!isobj(target))
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return ELEMENT_INCOMPATIBLE
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src.crack_integrity = crack_integrity || src.crack_integrity
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if(!crack_appearances) // This is the first attachment and we need to do first time setup
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crack_appearances = list()
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for(var/state in crack_states)
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for(var/i in 1 to 35)
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var/mutable_appearance/crack = mutable_appearance(crack_icon, state)
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crack.transform.Turn(i * 10)
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crack_appearances += crack
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RegisterSignal(target, COMSIG_ATOM_INTEGRITY_CHANGED, PROC_REF(IntegrityChanged))
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/datum/element/crackable/proc/IntegrityChanged(obj/source, old_value, new_value)
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SIGNAL_HANDLER
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if(new_value >= source.max_integrity * crack_integrity)
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return
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source.AddComponent(/datum/component/cracked, crack_appearances, crack_integrity)
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