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Fix the way the circle buffer was index and traversed

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This commit is contained in:
Kevin Poretti 2023-07-01 19:28:41 -04:00
parent b8fa341503
commit 984fc0ad6a
3 changed files with 16 additions and 15 deletions
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22
Source/UnrealFightingFramework/Input/FFInputBufferComponent.cpp
View File

@ -7,22 +7,24 @@ UFFInputBufferComponent::UFFInputBufferComponent()
PrimaryComponentTick.bCanEverTick = false;
}
void UFFInputBufferComponent::AddInput(const FFFInputState& InputState)
{
InputBuffer.ForcePush(InputState);
}
bool UFFInputBufferComponent::CheckInputSequence(const FFFInputSequence& InputSequence)
{
int CondIdx = InputSequence.Sequence.Num() - 1;
int FramesSinceValidInput = 0;
for(int InpIdx = 0; InpIdx < InputBuffer.Num() - 1; InpIdx++)
int ElapsedFrames = 0;
for(int InpIdx = InputBuffer.Num() - 1; InpIdx > 1; InpIdx--)
{
int32 RequiredButtons = InputSequence.Sequence[CondIdx].RequiredButtons;
EFFButtonState RequiredButtonState = InputSequence.Sequence[CondIdx].RequiredButtonState;
int32 PrevInput = InputBuffer[InpIdx + 1].Buttons;
int32 PrevInput = InputBuffer[InpIdx - 1].Buttons;
int32 CurrInput = InputBuffer[InpIdx].Buttons;
int32 PrevDisable = InputBuffer[InpIdx + 1].DisabledButtons;
int32 PrevDisable = InputBuffer[InpIdx - 1].DisabledButtons;
int32 CurrDisable = InputBuffer[InpIdx].DisabledButtons;
switch (RequiredButtonState)
{
@ -31,7 +33,6 @@ bool UFFInputBufferComponent::CheckInputSequence(const FFFInputSequence& InputSe
CurrInput & RequiredButtons & ~CurrDisable)
{
CondIdx--;
FramesSinceValidInput = 0;
}
break;
case EFFButtonState::BTNS_Released:
@ -39,7 +40,6 @@ bool UFFInputBufferComponent::CheckInputSequence(const FFFInputSequence& InputSe
!(CurrInput & RequiredButtons | CurrDisable))
{
CondIdx--;
FramesSinceValidInput = 0;
}
break;
// TODO: implement button held condition
@ -52,14 +52,14 @@ bool UFFInputBufferComponent::CheckInputSequence(const FFFInputSequence& InputSe
// All conditions were met
if(CondIdx == -1)
{
// disable inputs that triggered the sequence
InputBuffer[InpIdx].DisabledButtons |= InputBuffer[InpIdx].Buttons;
InputBuffer[InpIdx + 1].DisabledButtons |= InputBuffer[InpIdx + 1].Buttons;
// disable most recent input
InputBuffer[InputBuffer.Num() - 1].DisabledButtons |= InputBuffer[InputBuffer.Num() - 1].Buttons;
InputBuffer[InputBuffer.Num() - 2].DisabledButtons |= InputBuffer[InputBuffer.Num() - 2].Buttons;
return true;
}
FramesSinceValidInput++;
if(FramesSinceValidInput > InputSequence.Sequence[CondIdx].Lenience)
ElapsedFrames++;
if(ElapsedFrames > InputSequence.MaxDuration)
{
return false;
}

6
Source/UnrealFightingFramework/Input/FFInputBufferComponent.h
View File

@ -48,9 +48,6 @@ struct FFFInputCondition
// The button state required for condition to be valid i.e. pressed or released
UPROPERTY(EditAnywhere)
EFFButtonState RequiredButtonState;
UPROPERTY(EditAnywhere)
int32 Lenience;
};
USTRUCT(BlueprintType)
@ -60,6 +57,9 @@ struct FFFInputSequence
UPROPERTY(EditAnywhere)
TArray<FFFInputCondition> Sequence;
UPROPERTY(EditAnywhere)
int32 MaxDuration;
};
UCLASS( ClassGroup=(Custom), meta=(BlueprintSpawnableComponent) )

3
Source/UnrealFightingFramework/Utils/TCircleBuffer.h
View File

@ -18,6 +18,7 @@ public:
TCircleBuffer()
: WriteIdx(0)
, ReadIdx(0)
, _Num(0)
{
}
@ -116,7 +117,7 @@ public:
*/
T& operator[](SIZE_T Index)
{
return Buffer[((SSIZE_T)WriteIdx - (SSIZE_T)Index) < 0 ? L - (Index - WriteIdx) : WriteIdx - Index];
return Buffer[(ReadIdx + Index) % L];
}
FORCEINLINE bool IsEmpty() const