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trompetin17 5b8cb7f34b Support std::optional in FromJSVal 
This commit introduces support for std::optional<T> in
Script::FromJSVal. When a JavaScript value is undefined or null, the
resulting optional is set to std::nullopt; otherwise, the value is
converted and wrapped.

This change allows components to cleanly handle optional script values
without needing manual null checks or exception handling in C++.

As a direct application of this feature, the Identity component now uses
std::optional<std::wstring> for the return value of GetCiv(). This
resolves a bug where formation templates (e.g., those inheriting from
template_formation.xml) do not explicitly define a civ. After commit
03f7903fec, the code assumed GetCiv() would always return a valid
string, leading to undefined behavior when it was missing.

With this update:
- GetCiv() returning undefined results in an empty optional.
- The Identity component defaults to an empty civilization string ("")
  when the civ is not defined.
- This avoids crashes or actor parsing errors for civ-less templates and
  improves robustness in script-C++ interaction.

Closes: #8107
Fixes: #8091
2025-06-19 08:52:24 -05:00
..
tests
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CCmpAIManager.cpp
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CCmpCinemaManager.cpp
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2025-06-18 12:49:59 +02:00
CCmpCommandQueue.cpp
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2025-06-18 12:49:59 +02:00
CCmpDecay.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpFootprint.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpMinimap.cpp
Revert non-ASCII characters from source and configuration files introduced in 157c6af18e.
2023-12-03 00:30:12 +00:00
CCmpMotionBall.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpObstruction.cpp
Revert non-ASCII characters from source and configuration files introduced in 157c6af18e.
2023-12-03 00:30:12 +00:00
CCmpObstructionManager.cpp
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2025-06-18 12:49:59 +02:00
CCmpOverlayRenderer.cpp
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2025-06-18 12:49:59 +02:00
CCmpOwnership.cpp
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2025-06-18 12:49:59 +02:00
CCmpParticleManager.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpPathfinder_Common.h
Improve group movement by distributing units around the target.
2025-05-24 14:34:09 +02:00
CCmpPathfinder.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpPosition.cpp
Allow actors to override the entity's anchor type
2025-06-10 23:01:09 +02:00
CCmpProjectileManager.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpRallyPointRenderer.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpRallyPointRenderer.h
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2025-06-18 12:49:59 +02:00
CCmpRangeManager.cpp
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2025-06-18 12:49:59 +02:00
CCmpRangeOverlayRenderer.cpp
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2025-06-18 12:49:59 +02:00
CCmpSelectable.cpp
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2025-06-18 12:49:59 +02:00
CCmpSoundManager.cpp
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2025-06-18 12:49:59 +02:00
CCmpTemplateManager.cpp
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2025-06-18 12:49:59 +02:00
CCmpTerrain.cpp
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2025-06-18 12:49:59 +02:00
CCmpTerritoryInfluence.cpp
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2025-06-18 12:49:59 +02:00
CCmpTerritoryManager.cpp
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2025-06-18 12:49:59 +02:00
CCmpTest.cpp
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2025-06-18 12:49:59 +02:00
CCmpUnitMotion_System.cpp
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2023-12-03 00:30:12 +00:00
CCmpUnitMotion.h
Fix UnitMotion 'path prediction' to not trigger if following a short path
2025-05-04 11:22:31 +02:00
CCmpUnitMotionManager.h
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2025-06-18 12:49:59 +02:00
CCmpUnitRenderer.cpp
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2025-06-18 12:49:59 +02:00
CCmpVision.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
CCmpVisualActor.cpp
Make rallypoints moddable.
2025-06-15 07:43:08 +02:00
CCmpWaterManager.cpp
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
ICmpAIInterface.cpp
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2023-12-03 00:30:12 +00:00
ICmpAIInterface.h
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ICmpAIManager.cpp
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ICmpAIManager.h
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2023-12-03 00:30:12 +00:00
ICmpAttack.cpp
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2023-12-03 00:30:12 +00:00
ICmpAttack.h
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2023-12-03 00:30:12 +00:00
ICmpCinemaManager.cpp
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2023-12-03 00:30:12 +00:00
ICmpCinemaManager.h
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2023-12-03 00:30:12 +00:00
ICmpCommandQueue.cpp
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2023-12-03 00:30:12 +00:00
ICmpCommandQueue.h
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ICmpDecay.cpp
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ICmpDecay.h
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2023-12-03 00:30:12 +00:00
ICmpFogging.cpp
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ICmpFogging.h
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ICmpFootprint.cpp
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ICmpFootprint.h
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ICmpGarrisonHolder.cpp
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ICmpGarrisonHolder.h
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ICmpGuiInterface.cpp
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ICmpGuiInterface.h
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2023-12-03 00:30:12 +00:00
ICmpIdentity.cpp
Support std::optional in FromJSVal
2025-06-19 08:52:24 -05:00
ICmpIdentity.h
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2023-12-03 00:30:12 +00:00
ICmpMinimap.cpp
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ICmpMinimap.h
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2023-12-03 00:30:12 +00:00
ICmpMirage.cpp
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ICmpMirage.h
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ICmpMotion.cpp
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2023-12-03 00:30:12 +00:00
ICmpMotion.h
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2023-12-03 00:30:12 +00:00
ICmpObstruction.cpp
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2023-12-03 00:30:12 +00:00
ICmpObstruction.h
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2023-12-03 00:30:12 +00:00
ICmpObstructionManager.cpp
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2023-12-03 00:30:12 +00:00
ICmpObstructionManager.h
Remove the name of some unused arguments
2025-06-18 12:49:59 +02:00
ICmpOverlayRenderer.cpp
Revert non-ASCII characters from source and configuration files introduced in 157c6af18e.
2023-12-03 00:30:12 +00:00
ICmpOverlayRenderer.h
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2023-12-03 00:30:12 +00:00
ICmpOwnership.cpp
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2023-12-03 00:30:12 +00:00
ICmpOwnership.h
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2023-12-03 00:30:12 +00:00
ICmpParticleManager.cpp
Revert non-ASCII characters from source and configuration files introduced in 157c6af18e.
2023-12-03 00:30:12 +00:00
ICmpParticleManager.h
Revert non-ASCII characters from source and configuration files introduced in 157c6af18e.
2023-12-03 00:30:12 +00:00
ICmpPathfinder.cpp
Improve group movement by distributing units around the target.
2025-05-24 14:34:09 +02:00
ICmpPathfinder.h
Improve group movement by distributing units around the target.
2025-05-24 14:34:09 +02:00
ICmpPlayer.cpp
Allow removing player entities when starting a match.
2025-05-28 23:05:36 +02:00
ICmpPlayer.h
Allow removing player entities when starting a match.
2025-05-28 23:05:36 +02:00
ICmpPlayerManager.cpp
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2023-12-03 00:30:12 +00:00
ICmpPlayerManager.h
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2023-12-03 00:30:12 +00:00
ICmpPosition.cpp
Revert non-ASCII characters from source and configuration files introduced in 157c6af18e.
2023-12-03 00:30:12 +00:00
ICmpPosition.h
Allow actors to override the entity's anchor type
2025-06-10 23:01:09 +02:00
ICmpProjectileManager.cpp
Revert non-ASCII characters from source and configuration files introduced in 157c6af18e.
2023-12-03 00:30:12 +00:00
ICmpProjectileManager.h
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2023-12-03 00:30:12 +00:00
ICmpRallyPoint.cpp
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ICmpRallyPoint.h
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ICmpRallyPointRenderer.cpp
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ICmpRallyPointRenderer.h
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2023-12-03 00:30:12 +00:00
ICmpRangeManager.cpp
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2023-12-03 00:30:12 +00:00
ICmpRangeManager.h
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2023-12-03 00:30:12 +00:00
ICmpRangeOverlayRenderer.cpp
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2023-12-03 00:30:12 +00:00
ICmpRangeOverlayRenderer.h
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2023-12-03 00:30:12 +00:00
ICmpSelectable.cpp
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2023-12-03 00:30:12 +00:00
ICmpSelectable.h
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2023-12-03 00:30:12 +00:00
ICmpSettlement.cpp
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ICmpSettlement.h
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ICmpSound.cpp
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ICmpSound.h
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ICmpSoundManager.cpp
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ICmpSoundManager.h
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2023-12-03 00:30:12 +00:00
ICmpTemplateManager.cpp
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2023-12-03 00:30:12 +00:00
ICmpTemplateManager.h
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2023-12-03 00:30:12 +00:00
ICmpTerrain.cpp
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2023-12-03 00:30:12 +00:00
ICmpTerrain.h
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2023-12-03 00:30:12 +00:00
ICmpTerritoryDecayManager.cpp
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2023-12-03 00:30:12 +00:00
ICmpTerritoryDecayManager.h
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2023-12-03 00:30:12 +00:00
ICmpTerritoryInfluence.cpp
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2023-12-03 00:30:12 +00:00
ICmpTerritoryInfluence.h
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2023-12-03 00:30:12 +00:00
ICmpTerritoryManager.cpp
Mod Interface: Enable setting territory visibility
2024-12-30 22:23:05 +01:00
ICmpTerritoryManager.h
Mod Interface: Enable setting territory visibility
2024-12-30 22:23:05 +01:00
ICmpTest.cpp
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ICmpTest.h
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2023-12-03 00:30:12 +00:00
ICmpTurretHolder.cpp
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2023-12-03 00:30:12 +00:00
ICmpTurretHolder.h
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2023-12-03 00:30:12 +00:00
ICmpUnitMotion.cpp
Avoid idle 'flicker' because of regular formation regroups
2025-01-02 16:59:13 +01:00
ICmpUnitMotion.h
Avoid idle 'flicker' because of regular formation regroups
2025-01-02 16:59:13 +01:00
ICmpUnitMotionManager.cpp
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ICmpUnitMotionManager.h
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ICmpUnitRenderer.cpp
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ICmpUnitRenderer.h
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2023-12-03 00:30:12 +00:00
ICmpUnknownScript.cpp
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ICmpUnknownScript.h
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ICmpValueModificationManager.cpp
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ICmpValueModificationManager.h
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ICmpVisibility.cpp
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ICmpVisibility.h
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ICmpVision.cpp
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ICmpVision.h
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ICmpVisual.cpp
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ICmpVisual.h
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ICmpWaterManager.cpp
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ICmpWaterManager.h
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