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667dd5d4ac
* 515 compat * double spaces * Callback documentation, aa review * spacing * NAMEOF_STATIC * big beta
30 lines
1.1 KiB
Plaintext
30 lines
1.1 KiB
Plaintext
/datum/component/emissive_blocker
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/// Stores either the mutable_appearance or a list of them
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var/stored_blocker
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/datum/component/emissive_blocker/Initialize(_stored_blocker)
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var/atom/movable/A = parent
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stored_blocker = _stored_blocker
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RegisterSignal(parent, COMSIG_ATOM_UPDATE_ICON_STATE, PROC_REF(update_generic_block))
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A.add_overlay(stored_blocker)
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/datum/component/emissive_blocker/Destroy()
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stored_blocker = null
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return ..()
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/// Updates the generic blocker when the icon_state is changed
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/datum/component/emissive_blocker/proc/update_generic_block(datum/source)
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var/atom/movable/A = parent
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if(!A.blocks_emissive && stored_blocker)
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A.cut_overlay(stored_blocker)
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stored_blocker = null
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return
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if(!A.blocks_emissive)
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return
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var/mutable_appearance/gen_emissive_blocker = emissive_blocker(A.icon, A.icon_state, alpha = A.alpha, appearance_flags = A.appearance_flags)
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gen_emissive_blocker.dir = A.dir
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if(gen_emissive_blocker != stored_blocker || !A.overlays)
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A.cut_overlay(stored_blocker)
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stored_blocker = gen_emissive_blocker
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A.add_overlay(stored_blocker)
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