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3e52d953af
Datums know what signals are being listened for and components can now be registered to listen for signals on more than one object.
66 lines
2.0 KiB
Plaintext
66 lines
2.0 KiB
Plaintext
/datum/component/decal
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dupe_mode = COMPONENT_DUPE_ALLOWED
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var/cleanable
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var/description
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var/mutable_appearance/pic
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/datum/component/decal/Initialize(_icon, _icon_state, _dir, _cleanable=CLEAN_GOD, _color, _layer=TURF_LAYER, _description)
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if(!isatom(parent) || !generate_appearance(_icon, _icon_state, _dir, _layer, _color))
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return COMPONENT_INCOMPATIBLE
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description = _description
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cleanable = _cleanable
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if(_dir) // If no dir is assigned at start then it follows the atom's dir
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RegisterSignal(parent, COMSIG_ATOM_DIR_CHANGE, .proc/rotate_react)
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if(_cleanable)
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RegisterSignal(parent, COMSIG_COMPONENT_CLEAN_ACT, .proc/clean_react)
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if(_description)
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RegisterSignal(parent, COMSIG_PARENT_EXAMINE, .proc/examine)
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apply()
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/datum/component/decal/Destroy()
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remove()
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return ..()
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/datum/component/decal/PreTransfer()
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remove()
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/datum/component/decal/PostTransfer()
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remove()
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apply()
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/datum/component/decal/proc/generate_appearance(_icon, _icon_state, _dir, _layer, _color)
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if(!_icon || !_icon_state)
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return FALSE
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// It has to be made from an image or dir breaks because of a byond bug
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var/temp_image = image(_icon, null, _icon_state, _layer, _dir)
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pic = new(temp_image)
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pic.color = _color
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return TRUE
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/datum/component/decal/proc/apply(atom/thing)
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var/atom/master = thing || parent
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master.add_overlay(pic, TRUE)
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if(isitem(master))
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addtimer(CALLBACK(master, /obj/item/.proc/update_slot_icon), 0, TIMER_UNIQUE)
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/datum/component/decal/proc/remove(atom/thing)
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var/atom/master = thing || parent
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master.cut_overlay(pic, TRUE)
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if(isitem(master))
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addtimer(CALLBACK(master, /obj/item/.proc/update_slot_icon), 0, TIMER_UNIQUE)
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/datum/component/decal/proc/rotate_react(old_dir, new_dir)
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if(old_dir == new_dir)
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return
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remove()
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pic.dir = turn(pic.dir, dir2angle(old_dir) - dir2angle(new_dir))
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apply()
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/datum/component/decal/proc/clean_react(strength)
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if(strength >= cleanable)
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qdel(src)
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/datum/component/decal/proc/examine(mob/user)
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to_chat(user, description) |