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[MIRROR] Sourced Component Backend [MDB IGNORE] (#19665)
* Sourced Component Backend (#73571) ## About The Pull Request Adds a backend for sourced components. which was requested by @ Fikou Also cleans up a little bit of the AddComponent logic ## Why It's Good For The Game Backend for fancy stuff and having a component from multiple sources --------- Signed-off-by: GitHub <noreply@ github.com> Co-authored-by: Mothblocks <35135081+Mothblocks@ users.noreply.github.com> * Sourced Component Backend --------- Signed-off-by: GitHub <noreply@ github.com> Co-authored-by: Zephyr <12817816+ZephyrTFA@users.noreply.github.com> Co-authored-by: Mothblocks <35135081+Mothblocks@ users.noreply.github.com>
This commit is contained in:
SkyratBot
co-authored by
Mothblocks
Zephyr
Mothblocks
Zephyr
parent
c41ff0aaa6
commit
0df0569321
@@ -38,6 +38,9 @@
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*/
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var/can_transfer = FALSE
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/// A lazy list of the sources for this component
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var/list/sources
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/**
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* Create a new component.
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*
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@@ -165,6 +168,27 @@
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/datum/component/proc/UnregisterFromParent()
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return
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/**
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* Called when the component has a new source registered
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*/
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/datum/component/proc/on_source_add(source)
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SHOULD_CALL_PARENT(TRUE)
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if(dupe_mode != COMPONENT_DUPE_SOURCES)
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CRASH("Component '[type]' does not use sources but has been given a source")
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LAZYOR(sources, source)
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/**
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* Called when the component has a source removed.
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* You probably want to call parent after you do your logic because at the end of this we qdel if we have no sources remaining!
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*/
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/datum/component/proc/on_source_remove(source)
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SHOULD_CALL_PARENT(TRUE)
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if(dupe_mode != COMPONENT_DUPE_SOURCES)
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CRASH("Component '[type]' does not use sources but is trying to remove a source")
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LAZYREMOVE(sources, source)
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if(!LAZYLEN(sources))
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qdel(src)
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/**
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* Register to listen for a signal from the passed in target
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*
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@@ -411,74 +435,100 @@
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*
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* Properly handles duplicate situations based on the `dupe_mode` var
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*/
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/datum/proc/_AddComponent(list/raw_args)
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var/new_type = raw_args[1]
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var/datum/component/nt = new_type
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/datum/proc/_AddComponent(list/raw_args, source)
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var/original_type = raw_args[1]
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var/datum/component/component_type = original_type
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if(QDELING(src))
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CRASH("Attempted to add a new component of type \[[nt]\] to a qdeleting parent of type \[[type]\]!")
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CRASH("Attempted to add a new component of type \[[component_type]\] to a qdeleting parent of type \[[type]\]!")
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var/dm = initial(nt.dupe_mode)
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var/dt = initial(nt.dupe_type)
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var/dupe_mode = initial(component_type.dupe_mode)
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var/dupe_type = initial(component_type.dupe_type)
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var/uses_sources = (dupe_mode == COMPONENT_DUPE_SOURCES)
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if(uses_sources && !source)
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CRASH("Attempted to add a sourced component of type '[component_type]' to '[type]' without a source!")
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else if(!uses_sources && source)
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CRASH("Attempted to add a normal component of type '[component_type]' to '[type]' with a source!")
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var/datum/component/old_comp
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var/datum/component/new_comp
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var/datum/component/old_component
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var/datum/component/new_component
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if(ispath(nt))
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if(nt == /datum/component)
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CRASH("[nt] attempted instantiation!")
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if(ispath(component_type))
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if(component_type == /datum/component)
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CRASH("[component_type] attempted instantiation!")
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else
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new_comp = nt
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nt = new_comp.type
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new_component = component_type
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component_type = new_component.type
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raw_args[1] = src
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if(dm != COMPONENT_DUPE_ALLOWED && dm != COMPONENT_DUPE_SELECTIVE)
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if(!dt)
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old_comp = GetExactComponent(nt)
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if(dupe_mode != COMPONENT_DUPE_ALLOWED && dupe_mode != COMPONENT_DUPE_SELECTIVE)
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if(!dupe_type)
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old_component = GetExactComponent(component_type)
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else
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old_comp = GetComponent(dt)
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if(old_comp)
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switch(dm)
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old_component = GetComponent(dupe_type)
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if(old_component)
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switch(dupe_mode)
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if(COMPONENT_DUPE_UNIQUE)
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if(!new_comp)
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new_comp = new nt(raw_args)
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if(!QDELETED(new_comp))
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old_comp.InheritComponent(new_comp, TRUE)
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QDEL_NULL(new_comp)
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if(!new_component)
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new_component = new component_type(raw_args)
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if(!QDELETED(new_component))
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old_component.InheritComponent(new_component, TRUE)
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QDEL_NULL(new_component)
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if(COMPONENT_DUPE_HIGHLANDER)
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if(!new_comp)
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new_comp = new nt(raw_args)
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if(!QDELETED(new_comp))
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new_comp.InheritComponent(old_comp, FALSE)
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QDEL_NULL(old_comp)
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if(!new_component)
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new_component = new component_type(raw_args)
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if(!QDELETED(new_component))
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new_component.InheritComponent(old_component, FALSE)
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QDEL_NULL(old_component)
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if(COMPONENT_DUPE_UNIQUE_PASSARGS)
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if(!new_comp)
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if(!new_component)
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var/list/arguments = raw_args.Copy(2)
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arguments.Insert(1, null, TRUE)
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old_comp.InheritComponent(arglist(arguments))
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old_component.InheritComponent(arglist(arguments))
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else
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old_comp.InheritComponent(new_comp, TRUE)
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else if(!new_comp)
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new_comp = new nt(raw_args) // There's a valid dupe mode but there's no old component, act like normal
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else if(dm == COMPONENT_DUPE_SELECTIVE)
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old_component.InheritComponent(new_component, TRUE)
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if(COMPONENT_DUPE_SOURCES)
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if(source in old_component.sources)
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return old_component // source already registered, no work to do
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old_component.on_source_add(source)
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else if(!new_component)
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new_component = new component_type(raw_args) // There's a valid dupe mode but there's no old component, act like normal
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else if(dupe_mode == COMPONENT_DUPE_SELECTIVE)
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var/list/arguments = raw_args.Copy()
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arguments[1] = new_comp
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arguments[1] = new_component
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var/make_new_component = TRUE
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for(var/datum/component/existing_component as anything in GetComponents(new_type))
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for(var/datum/component/existing_component as anything in GetComponents(original_type))
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if(existing_component.CheckDupeComponent(arglist(arguments)))
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make_new_component = FALSE
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QDEL_NULL(new_comp)
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QDEL_NULL(new_component)
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break
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if(!new_comp && make_new_component)
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new_comp = new nt(raw_args)
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else if(!new_comp)
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new_comp = new nt(raw_args) // Dupes are allowed, act like normal
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if(!new_component && make_new_component)
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new_component = new component_type(raw_args)
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else if(!new_component)
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new_component = new component_type(raw_args) // Dupes are allowed, act like normal
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if(!old_comp && !QDELETED(new_comp)) // Nothing related to duplicate components happened and the new component is healthy
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SEND_SIGNAL(src, COMSIG_COMPONENT_ADDED, new_comp)
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return new_comp
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return old_comp
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if(!old_component && !QDELETED(new_component)) // Nothing related to duplicate components happened and the new component is healthy
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if(uses_sources) // make sure they have the source added if they use sources
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new_component.on_source_add(source)
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SEND_SIGNAL(src, COMSIG_COMPONENT_ADDED, new_component)
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return new_component
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return old_component
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/**
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* Removes a component source from this datum
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*/
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/datum/proc/RemoveComponentSource(source, datum/component/component_type)
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if(ispath(component_type))
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component_type = GetExactComponent(component_type)
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if(!component_type)
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CRASH("Attempted to remove a null or non-existent component '[component_type]' from '[type]'")
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component_type.on_source_remove(source)
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/**
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* Get existing component of type, or create it and return a reference to it
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