Removed 'autofinish' from the animation C++ system, replaced it with more elegant implementation in blueprint.

Source/Integration/AnimQueue.cpp

@@ -335,9 +335,6 @@ FlxAnimTracker::FlxAnimTracker() {
 void FlxAnimTracker::Clear() {
 	AQ.Empty();
 	Changed = true;
-	AutoFinish = false;
-	AutoFinishAction.Empty();
-	AutoFinishXYZ.Set(0,0,0);
 }
 
 void FlxAnimTracker::FinishedAnimation(uint64 hash) {
@@ -349,6 +346,15 @@ void FlxAnimTracker::FinishedAnimation(uint64 hash) {
 	}
 }
 
+bool FlxAnimTracker::IsFinished(uint64 hash) {
+	for (int i = 0; i < AQ.Num(); i++) {
+		if (AQ[i].Hash == hash) {
+			return AQ[i].Finished;
+		}
+	}
+	return true;
+}
+
 void FlxAnimTracker::SkipToEnd() {
 	for (int i = 0; i < AQ.Num(); i++) {
 		if (!AQ[i].Finished) {
@@ -459,22 +465,6 @@ void FlxAnimTracker::Update(std::string_view encqueue) {
 		}
 		AQ.SetNum(limit);
 	}
-
-	// Autofinish up to one animation.
-	//
-	if (AutoFinish) {
-		for (int i = 0; i < AQ.Num(); i++) {
-			if (!AQ[i].Finished) {
-				if (MatchesAutoFinish(AQ[i])) {
-					AQ[i].Finished = true;
-				}
-				break;
-			}
-		}
-		AutoFinish = false;
-		AutoFinishAction.Empty();
-		AutoFinishXYZ.Set(0,0,0);
-	}
 }
 
 FString FlxAnimTracker::DebugString() const
@@ -488,14 +478,6 @@ FString FlxAnimTracker::DebugString() const
 	{
 		Result += TEXT("changed=false ");
 	}
-	if (AutoFinish)
-	{
-		Result += TEXT("autofinish=true");
-	}
-	else
-	{
-		Result += TEXT("autofinish=false");
-	}
 	Result += TEXT("\n");
 	for (int i = 0; i < AQ.Num(); i++)
 	{
@@ -505,20 +487,6 @@ FString FlxAnimTracker::DebugString() const
 	return Result;
 }
 
-void FlxAnimTracker::SetAutoFinish(const FString &action, const FVector &xyz) {
-	AutoFinish = true;
-	AutoFinishAction = action;
-	AutoFinishXYZ = xyz;
-}
-
-bool FlxAnimTracker::MatchesAutoFinish(const FlxAnimationStep &step) {
-	FVector xyz = UlxAnimationStepLibrary::AnimationStepGetVector(step, TEXT("xyz"));
-	if (xyz != AutoFinishXYZ) return false;
-	FString action = UlxAnimationStepLibrary::AnimationStepGetString(step, TEXT("action"));
-	if (action != AutoFinishAction) return false;
-	return true;
-}
-
 FString FlxAnimTracker::GetCurrentBlueprintName() {
 	for (int i = 0; i < AQ.Num(); i++) {
 		if (!AQ[i].Finished) {

Source/Integration/AnimQueue.h

@@ -257,15 +257,6 @@ public:
 	//
 	bool Changed;
 	
-	// Autofinish parameters.
-	//
-	bool AutoFinish;
-	FString AutoFinishAction;
-	FVector AutoFinishXYZ;
-
-private:
-	bool MatchesAutoFinish(const FlxAnimationStep &step);
-	
 public:
 	// Construct a tracker.
 	//
@@ -284,14 +275,6 @@ public:
 	//
 	void Update(std::string_view encqueue);
 
-	// Auto-finish animation.
-	//
-	// Next time 'update' is called, we will check for the presence
-	// of a new animation matching these parameters.  If there is
-	// one, it is automatically marked 'finished'.
-	//
-	void SetAutoFinish(const FString &action, const FVector &xyz);
-
 	// Get the current blueprint name, as a string.
 	//
 	FString GetCurrentBlueprintName();
@@ -312,6 +295,12 @@ public:
 	// 
 	void FinishedAnimation(uint64 Hash);
 
+	// Return true if an animation step is marked finished.
+	//
+	// Also return true if the animation step is not found.
+	//
+	bool IsFinished(uint64 Hash);
+	
 	// Skip to the end of the animation queue.
 	// 
 	// This is equivalent to calling 'FinishedHash' on every

Source/Integration/BlueprintErrors.cpp

@@ -6,6 +6,7 @@
 #include "Kismet/KismetSystemLibrary.h"
 #include "Kismet2/KismetDebugUtilities.h"
 #include "Kismet/KismetTextLibrary.h"
+#include "AnimQueue.h"
 
 ELogVerbosity::Type UlxBlueprintErrorLibrary::ConvertElxLogVerbosity(ElxLogVerbosity Verbosity) {
 	switch (Verbosity) {
@@ -207,6 +208,15 @@ FFormatArgumentData UlxFormatDataLibrary::FormatArgumentDataLuaValues(const UlxL
 	return Result;
 }
 
+FFormatArgumentData UlxFormatDataLibrary::FormatArgumentDataAnimationStep(const FlxAnimationStep &Value, const FString &Name)
+{
+	FFormatArgumentData Result;
+	Result.ArgumentValueType = EFormatArgumentType::Text;
+	Result.ArgumentName = Name;
+	Result.ArgumentValue = FText::FromString(UlxAnimationStepLibrary::AnimationStepDebugString(Value));
+	return Result;
+}
+
 FFormatArgumentData UlxBlueprintErrorLibrary::FormatArgumentDataBlank(const FString &Name)
 {
 	FFormatArgumentData Result;

Source/Integration/BlueprintErrors.h

@@ -17,6 +17,7 @@
 #include "BlueprintErrors.generated.h"
 
 class UlxLuaValues;
+struct FlxAnimationStep;
 
 /* 
  * enum class ElxLogVerbosity, below, contains all the same error severity levels
@@ -150,6 +151,9 @@ public:
 
 	UFUNCTION(BlueprintPure, meta = (BlueprintInternalUseOnly = "true"), Category = "Luprex|Utility")
 	static FFormatArgumentData FormatArgumentDataLuaValues(const UlxLuaValues *Value, const FString &Name);
+
+	UFUNCTION(BlueprintPure, meta = (BlueprintInternalUseOnly = "true"), Category = "Luprex|Utility")
+	static FFormatArgumentData FormatArgumentDataAnimationStep(const FlxAnimationStep &Value, const FString &Name);
 };
 
 /* Debug Blueprint Errors output device. 

Source/Integration/LuprexGameModeBase.h

@@ -126,7 +126,8 @@ public:
 	// tangibles that have been changed.
 	void UpdateTangibles();
 
-	// Maybe call 'BecomePossessed' on the player tangible.
+	// Look for a tangible whose ID is equal to the current actor ID.
+	// Tell the player controller to possess that tangible.
 	void UpdatePossessedTangible();
 
 	// Call 'CalculateLookAt', but only if everything is valid.

Source/Integration/Tangible.cpp

@@ -42,8 +42,8 @@ void UlxTangible::DeleteCurrentActor()
 	CurrentActor->Rename(nullptr);
 	CurrentActor->Destroy(); 
 
-	// If this actor previously was posessed by a player controller,
+	// If this actor previously was possessed by a player controller,
-	// then it's not posessed anymore, because there is no actor any more.
+	// then it's not possessed anymore, because there is no actor any more.
 	if (Manager->PossessedTangible == this) {
 		Manager->PossessedTangible = nullptr;
 	};
@@ -242,6 +242,12 @@ void UlxTangible::FinishedAnimation(AActor *target, const FlxAnimationStep &step
 	UE_LOG(LogLuprex, Display, TEXT("Animation Finished: %s"), *DebugString);
 }
 
+bool UlxTangible::AnimationStepIsFinished(AActor *target, const FlxAnimationStep &step) {
+	UlxTangible *tan = GetActorTangibleOrLog(target);
+	if (tan == nullptr) return true;
+	return tan->AnimTracker.IsFinished(step.Hash);
+}
+
 FString UlxTangible::GetTangiblePlane(AActor* target) {
 	UlxTangible *tan = GetActorTangibleOrLog(target);
 	if (tan == nullptr) return TEXT("");
@@ -266,9 +272,3 @@ bool UlxTangible::IsLuprexTangible(AActor* target) {
 	return tan != nullptr;
 }
 
-void UlxTangible::SetAutoFinish(AActor *target, const FString &action, const FVector &xyz) {
-	UlxTangible *tan = GetActorTangibleOrLog(target);
-	if (tan == nullptr) return;
-	tan->AnimTracker.SetAutoFinish(action, xyz);
-}
-

Source/Integration/Tangible.h

@@ -154,8 +154,8 @@ public:
 	UFUNCTION(BlueprintCallable, Meta = (DefaultToSelf = "Target"), Category = "Luprex|Animation Queue")
 		static void FinishedAnimation(AActor *Target, const FlxAnimationStep &Step, bool AutoUpdate = true);
 
-	UFUNCTION(BlueprintCallable, Meta = (DefaultToSelf = "target"), Category = "Luprex|Animation Queue")
+	UFUNCTION(BlueprintCallable, Meta = (DefaultToSelf = "Target", ExpandBoolAsExecs="ReturnValue"), Category = "Luprex|Animation Queue")
-		static void SetAutoFinish(AActor *target, const FString &action, const FVector &xyz);
+		static bool AnimationStepIsFinished(AActor *Target, const FlxAnimationStep &Step);
 
 	UFUNCTION(BlueprintCallable, Meta = (DefaultToSelf = "target"), Category = "Luprex|Tangible")
 		static FString GetTangiblePlane(AActor* target);

Source/Integration/TangibleManager.h

@@ -29,7 +29,7 @@ public:
 	UPROPERTY()
 	TMap<int64, UlxTangible*> IdToTangible;
 
-	// The Tangible ID of the posessed tangible, if any.
+	// The Tangible ID of the possessed tangible, if any.
 	UlxTangible *PossessedTangible;
 
 public:

luprex/lua/login.lua

@@ -25,7 +25,7 @@ end
 function engio.move(action, xyz, facing)
     -- todo: sanity check the parameters.
     dprint("engio.move ", action, " ", xyz[1], " ", xyz[2], " ", xyz[3])
-    tangible.animate(actor, nil, {action=action, xyz=xyz, facing=facing})
+    tangible.animate(actor, nil, {action=action, interactive=true, xyz=xyz, facing=facing})
 end
 
 function cube.lookhotkeys(keys)