mirror of
https://github.com/Bubberstation/Bubberstation.git
synced 2025-12-25 17:12:12 +00:00
106 lines
2.8 KiB
Plaintext
106 lines
2.8 KiB
Plaintext
/datum/component
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var/enabled = TRUE // Enables or disables the components
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var/dupe_mode = COMPONENT_DUPE_HIGHLANDER // How components of the same type are handled in the same parent
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var/list/signal_procs // list of signals -> callbacks
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var/datum/parent // parent datum
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/datum/component/New(datum/P, ...)
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var/dm = dupe_mode
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if(dm != COMPONENT_DUPE_ALLOWED)
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var/datum/component/old = P.GetExactComponent(type)
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if(old)
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switch(dm)
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if(COMPONENT_DUPE_HIGHLANDER)
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P.RemoveComponent(old)
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old = null //in case SendSignal() blocks
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if(COMPONENT_DUPE_UNIQUE)
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qdel(src)
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return
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P.SendSignal(COMSIG_COMPONENT_ADDED, list(src), FALSE)
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LAZYADD(P.datum_components, src)
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parent = P
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/datum/component/Destroy()
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RemoveNoSignal()
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return ..()
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/datum/component/proc/RemoveNoSignal()
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var/datum/P = parent
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if(P)
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LAZYREMOVE(P.datum_components, src)
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parent = null
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/datum/component/proc/RegisterSignal(sig_type, proc_on_self, override = FALSE)
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var/list/procs = signal_procs
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if(!procs)
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procs = list()
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signal_procs = procs
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if(!override)
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. = procs[sig_type]
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if(.)
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stack_trace("[sig_type] overridden. Use override = TRUE to suppress this warning")
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procs[sig_type] = CALLBACK(src, proc_on_self)
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/datum/component/proc/ReceiveSignal(sigtype, list/sig_args, async)
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var/list/sps = signal_procs
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var/datum/callback/CB = LAZYACCESS(sps, sigtype)
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if(!CB)
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return FALSE
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if(!async)
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return CB.Invoke(arglist(sig_args))
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else
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return CB.InvokeAsync(arglist(sig_args))
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/datum/var/list/datum_components //list of /datum/component
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// Send a signal to all other components in the container.
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/datum/proc/SendSignal(sigtype, list/sig_args, async = FALSE)
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var/list/comps = datum_components
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. = FALSE
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for(var/I in comps)
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var/datum/component/C = I
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if(!C.enabled)
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continue
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if(C.ReceiveSignal(sigtype, sig_args, async))
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ComponentActivated(C)
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. = TRUE
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// Callback for when a component activates
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/datum/proc/ComponentActivated(datum/component/C)
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/datum/proc/GetComponent(c_type)
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for(var/I in datum_components)
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if(istype(I, c_type))
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return I
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/datum/proc/GetExactComponent(c_type)
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for(var/I in datum_components)
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var/datum/component/C = I
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if(C.type == c_type)
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return I
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/datum/proc/GetComponents(c_type)
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. = list()
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for(var/I in datum_components)
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if(istype(I, c_type))
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. += I
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/datum/proc/AddComponents(list/new_types)
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for(var/new_type in new_types)
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AddComponent(new_type)
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/datum/proc/AddComponent(new_type, ...)
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var/nt = new_type
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args[1] = src
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var/datum/component/C = new nt(arglist(args))
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return QDELING(C) ? GetComponent(new_type) : C
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/datum/proc/RemoveComponent(datum/component/C)
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if(!C)
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return
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C.RemoveNoSignal()
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SendSignal(COMSIG_COMPONENT_REMOVING, list(C), FALSE)
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qdel(C)
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