- because the graphs were being diffed in two different ways - once to generate the list and once to determine how to render the nodes, there were some differences in the diff behavior that caused certain nodes to not render as diffed even though they showed up in the list. this change uses the same diff list for both now so there shouldn't be any differences anymore
- This also solves an issue that caused highlighted pins from Blueprint Diff to persist to the blueprint itself. Now all visual modifications made by the diff viewer only appear in the diff panels rather than the main graph
#jira UE-93061
#preflight 62a256ef2469f462fdd9c693
#rb daren.cheng
This change sets up for future style changes allowing for us to render nodes in the diff graph based on their diff type. There are no style changes in this CL however.
[CL 20584624 by jordan hoffmann in ue5-main branch]
#rnx
#rb none
#ROBOMERGE-SOURCE: CL 10869241 via CL 10869527 via CL 10869904
#ROBOMERGE-BOT: (v613-10869866)
[CL 10870586 by ryan durand in Main branch]
#lockdown Nick.Penwarden
#rb none
==========================
MAJOR FEATURES + CHANGES
==========================
Change 3209340 on 2016/11/23 by Ben.Marsh
Convert UE4 codebase to an "include what you use" model - where every header just includes the dependencies it needs, rather than every source file including large monolithic headers like Engine.h and UnrealEd.h.
Measured full rebuild times around 2x faster using XGE on Windows, and improvements of 25% or more for incremental builds and full rebuilds on most other platforms.
* Every header now includes everything it needs to compile.
* There's a CoreMinimal.h header that gets you a set of ubiquitous types from Core (eg. FString, FName, TArray, FVector, etc...). Most headers now include this first.
* There's a CoreTypes.h header that sets up primitive UE4 types and build macros (int32, PLATFORM_WIN64, etc...). All headers in Core include this first, as does CoreMinimal.h.
* Every .cpp file includes its matching .h file first.
* This helps validate that each header is including everything it needs to compile.
* No engine code includes a monolithic header such as Engine.h or UnrealEd.h any more.
* You will get a warning if you try to include one of these from the engine. They still exist for compatibility with game projects and do not produce warnings when included there.
* There have only been minor changes to our internal games down to accommodate these changes. The intent is for this to be as seamless as possible.
* No engine code explicitly includes a precompiled header any more.
* We still use PCHs, but they're force-included on the compiler command line by UnrealBuildTool instead. This lets us tune what they contain without breaking any existing include dependencies.
* PCHs are generated by a tool to get a statistical amount of coverage for the source files using it, and I've seeded the new shared PCHs to contain any header included by > 15% of source files.
Tool used to generate this transform is at Engine\Source\Programs\IncludeTool.
[CL 3209342 by Ben Marsh in Main branch]
Fallout from CL# 2535806
#jira UE-15170 - When in PIE, Blueprints display as disabled making them difficult to debug.
[CL 2541246 by Michael Schoell in Main branch]
Reworked how graphs were disabled to stop all out disabling of the SGraphPanel while still maintaining the visual display of being read-only.
Removed concept of TitleBarEnabledOnly from the graph editor and merged it with the IsEditable functionality.
#jira UE-10289 - Changing Blueprint Interface layout can shift nodes out of view
[CL 2535806 by Michael Schoell in Main branch]
