#rb Ben.Marsh
#ROBOMERGE-OWNER: james.hopkin
#ROBOMERGE-AUTHOR: james.hopkin
#ROBOMERGE-SOURCE: CL 12779149 via CL 12779152 via CL 12779160
#ROBOMERGE-BOT: RELEASE (Release-Engine-Staging -> Main) (v681-12776863)
[CL 12782243 by James Hopkin in Main branch]
#rb none
#jira UE-76940, UE-76993, UE-76943
#ROBOMERGE-SOURCE: CL 7321451 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v371-7306989)
[CL 7321452 by ben marsh in Main branch]
#rb none
#rnx
#jira UE-77082
#ROBOMERGE-SOURCE: CL 7309692 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v371-7306989)
[CL 7309695 by ben marsh in Main branch]
#rb none
#rnx
#jira
#ROBOMERGE-SOURCE: CL 6957120 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v366-6836689)
[CL 6966780 by ben marsh in Main branch]
#rb none
#jira UE-74438
#ROBOMERGE-SOURCE: CL 6957113 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v366-6836689)
[CL 6966779 by ben marsh in Main branch]
Live++ reads object files at startup for game modules, and assigns unique ids to each compiland (used to disambiguate static variables). When compiling the patch, these compilands are modified to reference a unique id for the unity blob, causing the variables to be reconstructed.
Solution is to generate a JSON file to each output directory containing object files containing the mapping, and to use that to assign compiland ids at startup.
#rb none
#jira UE-74036
#ROBOMERGE-SOURCE: CL 6455253 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)
[CL 6455273 by ben marsh in Main branch]
Live++ reads object files at startup for game modules, and assigns unique ids to each compiland (used to disambiguate static variables). When compiling the patch, these compilands are modified to reference a unique id for the unity blob, causing the variables to be reconstructed.
Solution is to generate a JSON file to each output directory containing object files containing the mapping, and to use that to assign compiland ids at startup.
#rb none
#jira UE-74036
[CL 6453851 by Ben Marsh in Dev-Build branch]
#jira
#rb none
#ROBOMERGE-OWNER: ben.marsh
#ROBOMERGE-AUTHOR: ben.marsh
#ROBOMERGE-SOURCE: CL 5993252 via CL 5993257 via CL 5995286
[CL 5995562 by ben marsh in Main branch]
These variables (and their dynamic initializers) were being treated as new, rather than being linked back to their original instances. UBT now outputs a mapping of object files to their original unity object file during a live coding compile, which allows Live++ to disambiguate between new and reconstructed instances.
#rb none
[CL 5988834 by Ben Marsh in Dev-Build branch]
Now stores the linker environment block in the live coding manifest, and adds it to the cache before executing the linker.
#rb none
#jira UE-72324
#ROBOMERGE-OWNER: ben.marsh
#ROBOMERGE-AUTHOR: ben.marsh
#ROBOMERGE-SOURCE: CL 5740602 in //UE4/Release-4.22/... via CL 5740765
#ROBOMERGE-BOT: BUILD (Main -> Dev-Build)
[CL 5743848 by ben marsh in Dev-Build branch]
Now stores the linker environment block in the live coding manifest, and adds it to the cache before executing the linker.
#rb none
#jira UE-72324
#ROBOMERGE-OWNER: ben.marsh
#ROBOMERGE-AUTHOR: ben.marsh
#ROBOMERGE-SOURCE: CL 5740602 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)
[CL 5740765 by ben marsh in Main branch]
* Linker arguments for each hot-reloaded module where only being patched with that module's new name (and not *all* the new module names). Windows was unaffected by this, since it uses response files (which were being handled correctly).
* Loop to rename modules in the manifest was terminating after the first modified module was found. This prevented other modules from being renamed.
#rb none
[FYI] Steve.Robb, Michael.Trepka
#jira UE-62612
#ROBOMERGE-OWNER: ben.marsh
#ROBOMERGE-AUTHOR: ben.marsh
#ROBOMERGE-SOURCE: CL 5503573 in //UE4/Release-4.22/... via CL 5503574
#ROBOMERGE-BOT: BUILD (Main -> Dev-Build)
[CL 5515605 by ben marsh in Dev-Build branch]
* Linker arguments for each hot-reloaded module where only being patched with that module's new name (and not *all* the new module names). Windows was unaffected by this, since it uses response files (which were being handled correctly).
* Loop to rename modules in the manifest was terminating after the first modified module was found. This prevented other modules from being renamed.
#rb none
[FYI] Steve.Robb, Michael.Trepka
#jira UE-62612
#ROBOMERGE-SOURCE: CL 5503573 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)
[CL 5503574 by ben marsh in Main branch]
* Removed code to invalidate makefiles when adding new source files. UBT should be reliable enough to make this determination itself nowadays, and ignored -invalidatemakefilesonly argument was causing modules to be recompiled.
* Fixed incorrect config section name when determining whether to allow hot reload from IDE. Now prevents hot reload from IDE when live coding is enabled.
* Added error message when trying to add a new class with Live Coding enabled.
* Added error messages when trying to start Live Coding after a hot reload has taken place.
* Added error messages when trying to hot reload with Live Coding enabled.
#jira UE-71253
#rb none
#ROBOMERGE-SOURCE: CL 5403464 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)
[CL 5403485 by ben marsh in Main branch]
Allows fast iteration of C++ changes without restarting the application. To use, select the "Live Coding (Experimental)" mode from the drop down menu next to the editor's compile button, or type "LiveCoding" into the console for a monolithic build. Press Ctrl+Alt+F11 to find changes and compile.
Changes vs standalone Live++ version:
* UBT is used to execute builds. This allows standard UE4 adaptive unity mode, allows us to reuse object files when we do regular builds, supports using any build executor allowed by UBT (XGE, SNDBS, etc..).
* Adding new source files is supported.
* Custom visualizer for FNames is supported via a weakly linked symbol in a static library (Engine/Extras/NatvisHelpers).
* Settings are exposed in the editor's project settings dialog.
* Standalone application has been rewritten as a Slate app ("LiveCodingConsole"). There is an additional option to start the program as hidden, where it will not be visible until Ctrl+Alt+F11 is hit. Similarly, closing the window will hide it instead of closing the application.
* Does not require a standalone licensed version of Live++.
Known issues:
* Does not currently support class layout changes / object reinstancing
#rb none
[FYI] Marc.Audy, Stefan.Boberg, Nick.Penwarden
#jira
#ROBOMERGE-OWNER: ben.marsh
#ROBOMERGE-AUTHOR: ben.marsh
#ROBOMERGE-SOURCE: CL 5304722 in //UE4/Release-4.22/... via CL 5309051
#ROBOMERGE-BOT: BUILD (Main -> Dev-Build)
[CL 5325555 by ben marsh in Dev-Build branch]
Allows fast iteration of C++ changes without restarting the application. To use, select the "Live Coding (Experimental)" mode from the drop down menu next to the editor's compile button, or type "LiveCoding" into the console for a monolithic build. Press Ctrl+Alt+F11 to find changes and compile.
Changes vs standalone Live++ version:
* UBT is used to execute builds. This allows standard UE4 adaptive unity mode, allows us to reuse object files when we do regular builds, supports using any build executor allowed by UBT (XGE, SNDBS, etc..).
* Adding new source files is supported.
* Custom visualizer for FNames is supported via a weakly linked symbol in a static library (Engine/Extras/NatvisHelpers).
* Settings are exposed in the editor's project settings dialog.
* Standalone application has been rewritten as a Slate app ("LiveCodingConsole"). There is an additional option to start the program as hidden, where it will not be visible until Ctrl+Alt+F11 is hit. Similarly, closing the window will hide it instead of closing the application.
* Does not require a standalone licensed version of Live++.
Known issues:
* Does not currently support class layout changes / object reinstancing
#rb none
[FYI] Marc.Audy, Stefan.Boberg, Nick.Penwarden
#jira
#ROBOMERGE-SOURCE: CL 5304722 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)
[CL 5309051 by ben marsh in Main branch]
