Check why the parts are not being shown on KSP 1.2.2.

[Lisias]

KSP 1.2.2 is a bit out of scope (who is using it nowadays), but I consider it the best and most stable release of KSP ever - besides a bit featureless…

Anyway, allowing things to work on KSP 1.2.2 (and 1.3.1) is a good exercise and a source of information for KSP modding.

So, even by not supporting actively this thing on KSP 1.2.2, I consider fruitful to at least try, so…

Fellow Kerbonaut Rutabaga22 reported on forum that HLA's parts are not being shown on the Editor's Part's Menu.

I was pretty sure I would have a problem with the DLL, due some changes on the UI from 1.2.2 to 1.3.0 but the parts I think should be there.

On the bright side, 1.3.0 apparently is working :)

[Lisias]

The problem is KSPe.Light. This thing is short circuited to support KSP >= 1.4.3 and Unity >= 2019 only.

By compiling the thing against KSPe (the full package), it apparently worked on KSP 1.2.2!!

I will need some time playing with the thing, however, to be sure about the functionalities.

[Lisias]

Damn. I changed something on the AirshipCap part that is making KSP 1.2.2 to bork on a null pointer exception inside the C land! :(

PartLoader: Compiling Part 'HLAirshipsCore/Parts/Aero/HL_AirshipEnvelope/part/HL_AirshipEnvelope'

(Filename: /Users/builduser/buildslave/unity/build/artifacts/generated/common/runtime/UnityEngineDebugBindings.gen.cpp Line: 42)

Receiving unhandled NULL exception
Obtained 3 stack frames.
#0  0x00000101e0fca4 in create_custom_attr
#1  0x00000101e10f39 in mono_reflection_get_custom_attrs_by_type
#2  0x00000101db114f in custom_attrs_get_by_type
Stacktrace:

  at (wrapper managed-to-native) System.MonoCustomAttrs.GetCustomAttributesInternal (System.Reflection.ICustomAttributeProvider,System.Type,bool) <0x0006a>
  at (wrapper managed-to-native) System.MonoCustomAttrs.GetCustomAttributesInternal (System.Reflection.ICustomAttributeProvider,System.Type,bool) <0x0006a>
  at System.MonoCustomAttrs.GetCustomAttributesBase (System.Reflection.ICustomAttributeProvider,System.Type) <0x0006a>
  at System.MonoCustomAttrs.GetCustomAttributes (System.Reflection.ICustomAttributeProvider,System.Type,bool) <0x00095>
  at System.Reflection.MonoMethod.GetCustomAttributes (System.Type,bool) <0x00028>
  at BaseEventList/ReflectedData..ctor (System.Type) <0x00176>
  at BaseEventList.GetReflectedAttributes (System.Type) <0x00078>
  at BaseEventList.CreateDelegates (object) <0x00045>
  at BaseEventList..ctor (Part,PartModule) <0x0005e>
  at PartModule.ModularSetup () <0x00047>
  at PartModule.Awake () <0x00050>
  at (wrapper runtime-invoke) object.runtime_invoke_void__this__ (object,intptr,intptr,intptr) <0x0005e>
  at (wrapper managed-to-native) UnityEngine.GameObject.Internal_AddComponentWithType (System.Type) <0x00074>
  at (wrapper managed-to-native) UnityEngine.GameObject.Internal_AddComponentWithType (System.Type) <0x00074>
  at UnityEngine.GameObject.AddComponent (System.Type) <0x0001e>
  at Part.AddModule (string,bool) <0x000ab>
  at Part.AddModule (ConfigNode,bool) <0x0008e>
  at PartLoader.ParsePart (UrlDir/UrlConfig,ConfigNode) <0x01d9d>
  at PartLoader/<CompileParts>c__Iterator62.MoveNext () <0x00ec8>
  at UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator,intptr) <0x00062>
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object_intptr (object,intptr,intptr,intptr) <0x00065>

Native stacktrace:

        0   libsystem_kernel.dylib              0x00007fff6f0fd2c2 __pthread_kill + 10
        1   libsystem_c.dylib                   0x00007fff6f0676a6 abort + 127
        2   KSP                                 0x0000000100bb4ef4 _Z12HandleSignaliP9__siginfoPv + 36
        3   libmono.0.dylib                     0x0000000101d7dece mono_chain_signal + 75
        4   libmono.0.dylib                     0x0000000101cc638a mono_sigsegv_signal_handler + 210
        5   libsystem_platform.dylib            0x00007fff6f1adb5d _sigtramp + 29
        6   libmono.0.dylib                     0x0000000101dab9b3 fill_runtime_generic_context + 1418
        7   libmono.0.dylib                     0x0000000101e10f39 mono_reflection_get_custom_attrs_by_type + 306
        8   libmono.0.dylib                     0x0000000101db114f custom_attrs_get_by_type + 46

Debug info from gdb:

/tmp/mono-gdb-commands.uS0Cn3:1: Error in sourced command file:
I refuse to debug myself!

=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================