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--- en:toolworks:docs:apparatus:enchaining [2021/06/17 18:59] – vladius
+++ en:toolworks:docs:apparatus:enchaining [2022/07/18 18:12] (current) – Fix trouble. jispar
@@ Line 1: / Line 1: @@
 ====== Enchaining ======
-Enchaining is the process of selecting a subset of Chunks (or Belts) based on a certain Filter criteria. Once enchained Belts and Chunks become locked, the structural changes become minimized for the sake of consistent iterating.
+Enchaining is a process of selecting a subset of Chunks (or Belts) based on a certain [[en:toolworks:docs:apparatus:filter|Filter]] criteria. Once they are Enchained the corresponding Belts and Chunks are becoming locked, i.e. any structural changes become minimized for the sake of consistent [[en:toolworks:docs:apparatus:iterating|Iterating]].
 ===== C++ Workflow =====
-That's pretty basic, really. You don't create (instantiate) Chains manually but those are actually managed by the [[appi>class_u_machine.html|Machine class]]. Assuming you've already assembled the needed [[en:toolworks:docs:apparatus:filter|Filter]] all you have to do is call a global (static) Machine method named [[appi>class_u_machine.html#aa7eade82d0047499c688abcde2a01f2b|Enchain]] passing it a filter and a reference for a unique Chain identifier to be filled.
+That's pretty basic, really. You don't create (instantiate) Chains manually but those are actually managed by the [[appi>class_u_machine.html|Machine class]]. Assuming you've already assembled the needed [[en:toolworks:docs:apparatus:filter|Filter]] all you have to do is to call a global Mechanism method named [[appi>class_u_mechanism.html#ab9c5280bbf348bee04751204ce0687c1|Enchain]] passing it the applied filter.
 <code cpp>
-int32 ChainId;
+FChain& Chain = Mechanism->Enchain(Filter).Get();
-UMachine::Enchain(Filter, ChainId);
 </code>
-You are now ready to iterate the chain designated by this unique identifier.
+You're now ready to [[en:toolworks:docs:apparatus:iterating|iterate]] or [[en:toolworks:docs:apparatus:operating|operate]] the resulting Chain, but there is more.
+==== Solid Chains ====
+You can also enchain to a special type of Chains called //solid//.
+Solid chains provide some additional features like getting direct references to Traits and Concurrency but they also
+limit the operations possible on the Subjects to only non-structural ones. That is, you can't add or remove any
+traits to/from the Subjects during some active solid enchainings. Enchaining to a solid chain is as easy as:
+<code cpp>
+FSolidChain& Chain = Mechanism->EnchainSolid(Filter).Get();
+</code>
+==== Chunks Proxies ====
+If you want to Iterate the Chunks directly, you would have to Enchain them into a list of Chunks Proxies.
+In order to do that, a special overloaded [[appi>class_a_mechanism.html#ae72188d973bed3d8484dc5ab87e5e1e1|method]] is present within the API.
+It accepts an [[ue>API/Runtime/Core/Containers/TArray|array]] of Chunks Proxies as its argument second argument. The first one is of course, a Filter.