mirror of
https://github.com/ParadiseSS13/Paradise.git
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123 lines
4.5 KiB
Plaintext
123 lines
4.5 KiB
Plaintext
/**
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* Adding this element to an atom will have it automatically render an overlay.
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*/
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/datum/element/rust
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element_flags = ELEMENT_BESPOKE | ELEMENT_DETACH_ON_HOST_DESTROY // Detach for turfs
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argument_hash_start_idx = 2
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/// The rust image itself, since the icon and icon state are only used as an argument
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var/image/rust_overlay
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/datum/element/rust/Attach(atom/target, rust_icon = 'icons/effects/rust_overlay.dmi', rust_icon_state = "rust_default")
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. = ..()
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if(!isatom(target))
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return ELEMENT_INCOMPATIBLE
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rust_overlay = image(rust_icon, "rust[rand(1, 6)]")
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ADD_TRAIT(target, TRAIT_RUSTY, "rusted_turf")
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RegisterSignal(target, COMSIG_ATOM_UPDATE_OVERLAYS, PROC_REF(apply_rust_overlay))
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RegisterSignal(target, COMSIG_PARENT_EXAMINE, PROC_REF(handle_examine))
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RegisterSignal(target, COMSIG_INTERACT_TARGET, PROC_REF(on_interaction))
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RegisterSignal(target, COMSIG_TOOL_ATTACK, PROC_REF(welder_tool_act))
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// Unfortunately registering with parent sometimes doesn't cause an overlay update
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target.update_appearance()
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/datum/element/rust/Detach(atom/source)
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. = ..()
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UnregisterSignal(source, COMSIG_ATOM_UPDATE_OVERLAYS)
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UnregisterSignal(source, COMSIG_PARENT_EXAMINE)
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UnregisterSignal(source, COMSIG_TOOL_ATTACK)
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UnregisterSignal(source, COMSIG_INTERACT_TARGET)
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REMOVE_TRAIT(source, TRAIT_RUSTY, "rusted_turf")
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source.cut_overlays()
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source.update_appearance()
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/datum/element/rust/proc/handle_examine(datum/source, mob/user, list/examine_list)
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SIGNAL_HANDLER //COMSIG_PARENT_EXAMINE
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examine_list += "<span class='notice'>[source] is very rusty, you could probably <b>burn</b> it off.</span>"
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/datum/element/rust/proc/apply_rust_overlay(atom/parent_atom, list/overlays)
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SIGNAL_HANDLER //COMSIG_ATOM_UPDATE_OVERLAYS
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if(rust_overlay)
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overlays += rust_overlay
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/// Because do_after sleeps we register the signal here and defer via an async call
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/datum/element/rust/proc/welder_tool_act(atom/source, obj/item/item, mob/user)
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SIGNAL_HANDLER // COMSIG_TOOL_ATTACK
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INVOKE_ASYNC(src, PROC_REF(handle_tool_use), source, item, user)
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return COMPONENT_CANCEL_TOOLACT
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/// We call this from secondary_tool_act because we sleep with do_after
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/datum/element/rust/proc/handle_tool_use(atom/source, obj/item/item, mob/user)
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switch(item.tool_behaviour)
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if(TOOL_WELDER)
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if(!item.tool_start_check(source, user, amount=1))
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return
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to_chat(user, "<span class='notice'>You start burning off the rust...</span>")
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if(!item.use_tool(source, user, 5 SECONDS, volume = item.tool_volume))
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return
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to_chat(user, "<span class='notice'>You burn off the rust!</span>")
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Detach(source)
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return
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/// Prevents placing floor tiles on rusted turf
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/datum/element/rust/proc/on_interaction(datum/source, mob/living/user, obj/item/tool, list/modifiers)
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SIGNAL_HANDLER // COMSIG_INTERACT_TARGET
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if(istype(tool, /obj/item/stack/tile) || istype(tool, /obj/item/stack/rods) || istype(tool, /obj/item/rcd))
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to_chat(user, "<span class='warning'>[source] is too rusted to build on!</span>")
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return ITEM_INTERACT_COMPLETE
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/// For rust applied by heretics (if that ever happens) / revenants
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/datum/element/rust/heretic
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/datum/element/rust/heretic/Attach(atom/target, rust_icon, rust_icon_state)
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. = ..()
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if(. == ELEMENT_INCOMPATIBLE)
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return .
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RegisterSignal(target, COMSIG_ATOM_ENTERED, PROC_REF(on_entered))
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RegisterSignal(target, COMSIG_ATOM_EXITED, PROC_REF(on_exited))
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/datum/element/rust/heretic/Detach(atom/source)
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. = ..()
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UnregisterSignal(source, COMSIG_ATOM_ENTERED)
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UnregisterSignal(source, COMSIG_ATOM_EXITED)
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for(var/obj/effect/glowing_rune/rune_to_remove in source)
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qdel(rune_to_remove)
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for(var/mob/living/victim in source)
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victim.remove_status_effect(STATUS_EFFECT_RUST_CORRUPTION)
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/datum/element/rust/heretic/proc/on_entered(turf/source, atom/movable/entered, ...)
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SIGNAL_HANDLER
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if(!isliving(entered))
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return
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var/mob/living/victim = entered
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if(istype(victim, /mob/living/simple_animal/revenant))
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return
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victim.apply_status_effect(STATUS_EFFECT_RUST_CORRUPTION)
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/datum/element/rust/heretic/proc/on_exited(turf/source, atom/movable/gone)
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SIGNAL_HANDLER
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if(!isliving(gone))
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return
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var/mob/living/leaver = gone
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leaver.remove_status_effect(STATUS_EFFECT_RUST_CORRUPTION)
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// Small visual effect imparted onto rusted things by revenants.
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/obj/effect/glowing_rune
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icon = 'icons/effects/eldritch.dmi'
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icon_state = "small_rune_1"
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plane = FLOOR_PLANE
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layer = SIGIL_LAYER
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mouse_opacity = MOUSE_OPACITY_TRANSPARENT
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/obj/effect/glowing_rune/Initialize(mapload)
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. = ..()
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pixel_y = rand(-6, 6)
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pixel_x = rand(-6, 6)
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icon_state = "small_rune_[rand(1, 12)]"
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update_appearance()
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