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74d0e6523b
* Fixes welders blinding you while repairing your own robo-limbs * gives tool_start_check() a target argument * flash be gone * CRLF to LF * adds trailing newlines because travis wants them I guess Co-authored-by: SteelSlayer <SteelSlayer@users.noreply.github.com>
61 lines
2.3 KiB
Plaintext
61 lines
2.3 KiB
Plaintext
// Called when a mob tries to use the item as a tool.
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// Handles most checks.
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/obj/item/proc/use_tool(atom/target, mob/living/user, delay, amount=0, volume=0, datum/callback/extra_checks)
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// No delay means there is no start message, and no reason to call tool_start_check before use_tool.
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// Run the start check here so we wouldn't have to call it manually.
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target.add_fingerprint(user)
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if(!tool_start_check(target, user, amount) && !delay)
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return
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delay *= toolspeed
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// Play tool sound at the beginning of tool usage.
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play_tool_sound(target, volume)
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if(delay)
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// Create a callback with checks that would be called every tick by do_after.
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var/datum/callback/tool_check = CALLBACK(src, .proc/tool_check_callback, user, target, amount, extra_checks)
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if(ismob(target))
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if(!do_mob(user, target, delay, extra_checks = list(tool_check)))
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return
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else
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if(!do_after(user, delay, target=target, extra_checks = list(tool_check)))
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return
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else
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// Invoke the extra checks once, just in case.
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if(extra_checks && !extra_checks.Invoke())
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return
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// Use tool's fuel, stack sheets or charges if amount is set.
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if(amount && !use(amount))
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return
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// Play tool sound at the end of tool usage,
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// but only if the delay between the beginning and the end is not too small
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if(delay >= MIN_TOOL_SOUND_DELAY)
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play_tool_sound(target, volume)
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return TRUE
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// Called before use_tool if there is a delay, or by use_tool if there isn't.
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// Only ever used by welding tools and stacks, so it's not added on any other use_tool checks.
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/obj/item/proc/tool_start_check(atom/target, mob/living/user, amount=0)
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return tool_use_check(user, amount)
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// A check called by tool_start_check once, and by use_tool on every tick of delay.
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/obj/item/proc/tool_use_check(mob/living/user, amount)
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return !amount
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/obj/item/proc/play_tool_sound(atom/target, volume = tool_volume)
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if(target && usesound && volume)
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var/played_sound = usesound
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if(islist(usesound))
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played_sound = pick(usesound)
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playsound(target, played_sound, volume, 1)
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// Used in a callback that is passed by use_tool into do_after call. Do not override, do not call manually.
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/obj/item/proc/tool_check_callback(mob/living/user, atom/target, amount, datum/callback/extra_checks)
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return tool_use_check(user, amount) && (extra_checks && !extra_checks.Invoke())
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