From 9f16901de68ba028127a87c4d2ba4421b8cc974e Mon Sep 17 00:00:00 2001
From: Kevin Poretti <kevinporetti@gmail.com>
Date: Fri, 30 Jun 2023 19:38:34 -0400
Subject: [PATCH] Detect if an input sequence is in the buffer and valid

---
 .../Input/FFInputBufferComponent.cpp          | 25 ++++++++++++++++---
 .../Input/FFPlayerController.cpp              |  1 -
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/Source/UnrealFightingFramework/Input/FFInputBufferComponent.cpp b/Source/UnrealFightingFramework/Input/FFInputBufferComponent.cpp
index a1f9b9c..f767b1d 100644
--- a/Source/UnrealFightingFramework/Input/FFInputBufferComponent.cpp
+++ b/Source/UnrealFightingFramework/Input/FFInputBufferComponent.cpp
@@ -14,11 +14,30 @@ void UFFInputBufferComponent::AddInput(const FFFInputState& InputState)
 
 bool UFFInputBufferComponent::CheckInputSequence(const FFFInputCondition& InputCondition)
 {
+    int CondIdx = InputCondition.Sequence.Num() - 1;
+    int FramesSinceValidInput = 0;
     for(int InpIdx = 0; InpIdx < InputBuffer.Num(); InpIdx++)
     {
-        // read input sequence
-        FFFInputState CurrInput = InputBuffer[InpIdx];
+        int32 CurrCondition = InputCondition.Sequence[CondIdx].Buttons;
+        int32 ThisInput = InputBuffer[InpIdx].Buttons;
+        if(ThisInput & CurrCondition)
+        {
+            CondIdx--;
+            FramesSinceValidInput = 0;
+        }
+
+        // All conditions were met
+        if(CondIdx == -1)
+        {
+            return true;
+        }
+
+        FramesSinceValidInput++;
+        if(FramesSinceValidInput > InputCondition.Lenience)
+        {
+            return false;
+        }
     }
 
-	return true;
+	return false;
 }
diff --git a/Source/UnrealFightingFramework/Input/FFPlayerController.cpp b/Source/UnrealFightingFramework/Input/FFPlayerController.cpp
index 57c5b7d..9d40713 100644
--- a/Source/UnrealFightingFramework/Input/FFPlayerController.cpp
+++ b/Source/UnrealFightingFramework/Input/FFPlayerController.cpp
@@ -29,7 +29,6 @@ void AFFPlayerController::FixedTick(float OneFrame)
 {
     //UnacknowledgedInputs.Push(RawInput);
     InputBuffer->AddInput(ModifiedInput);
-
     //SendInputsToRemote();
 }