vault backup: 2025-08-28 19:01:21

2025-08-28 19:01:21 +08:00
parent 1ac33da6b6
commit 797e870114
1 changed files with 85 additions and 0 deletions
--- a/Lyra学习笔记(8)—EnhanceInput（UE5.5）.md
+++ b/Lyra学习笔记(8)—EnhanceInput（UE5.5）.md
@@ -22,6 +22,7 @@ rating: ⭐
 - **Input Mapping Contexts**：输入Action的集合。可以为不同GameMode配置不同的 **Input Mapping Contexts**来满足自定义输入的需求。
 - **Input Modifiers**： 是一种预处理器，能够修改UE接收的原始输入值，然后再将其发送给输入触发器（Input Trigger）。增强输入插件随附多种输入修饰器，可以执行各种任务，例如更改轴顺序、实现"死区"、将轴输入转换为世界空间。
 - **Input Triggers**：用于确定用户输入在经过一系列可选输入修饰器的处理后，是否会激活输入映射上下文中的相应输入动作。
+- **UEnhancedInputUserSettings** （~~PlayerMappableInputConfig~~）**：
 - 多平台相关：位于Project Settings -> Enhanced Input -> Platform Settings -> Input Data
 	- Mapping Context Redirect：将不同的输入设置用于不同的平台。
 	- Enhanced Input Platform Data：为你的游戏添加特定于平台的选项。
@@ -114,4 +115,88 @@ ETriggerState UInputTriggerHold::UpdateState_Implementation(const UEnhancedPlaye
 } 
 ```

+# 按键设置
+
 # Lyra中的相关实现
+
+ULyraHeroComponent中的输入绑定：
+```c++
+void ULyraHeroComponent::InitializePlayerInput(UInputComponent* PlayerInputComponent)
+{
+	check(PlayerInputComponent);
+
+	const APawn* Pawn = GetPawn<APawn>();
+	if (!Pawn)
+	{
+		return;
+	}
+
+	const APlayerController* PC = GetController<APlayerController>();
+	check(PC);
+
+	const ULyraLocalPlayer* LP = Cast<ULyraLocalPlayer>(PC->GetLocalPlayer());
+	check(LP);
+
+	UEnhancedInputLocalPlayerSubsystem* Subsystem = LP->GetSubsystem<UEnhancedInputLocalPlayerSubsystem>();
+	check(Subsystem);
+
+	Subsystem->ClearAllMappings();
+
+	if (const ULyraPawnExtensionComponent* PawnExtComp = ULyraPawnExtensionComponent::FindPawnExtensionComponent(Pawn))
+	{
+		if (const ULyraPawnData* PawnData = PawnExtComp->GetPawnData<ULyraPawnData>())
+		{
+			if (const ULyraInputConfig* InputConfig = PawnData->InputConfig)
+			{
+				for (const FInputMappingContextAndPriority& Mapping : DefaultInputMappings)
+				{
+					if (UInputMappingContext* IMC = Mapping.InputMapping.Get())
+					{
+						if (Mapping.bRegisterWithSettings)
+						{
+							if (UEnhancedInputUserSettings* Settings = Subsystem->GetUserSettings())
+							{
+								Settings->RegisterInputMappingContext(IMC);
+							}
+							
+							FModifyContextOptions Options = {};
+							Options.bIgnoreAllPressedKeysUntilRelease = false;
+							// Actually add the config to the local player							
+							Subsystem->AddMappingContext(IMC, Mapping.Priority, Options);
+						}
+					}
+				}
+
+				// The Lyra Input Component has some additional functions to map Gameplay Tags to an Input Action.
+				// If you want this functionality but still want to change your input component class, make it a subclass
+				// of the ULyraInputComponent or modify this component accordingly.
+				ULyraInputComponent* LyraIC = Cast<ULyraInputComponent>(PlayerInputComponent);
+				if (ensureMsgf(LyraIC, TEXT("Unexpected Input Component class! The Gameplay Abilities will not be bound to their inputs. Change the input component to ULyraInputComponent or a subclass of it.")))
+				{
+					// Add the key mappings that may have been set by the player
+					LyraIC->AddInputMappings(InputConfig, Subsystem);
+
+					// This is where we actually bind and input action to a gameplay tag, which means that Gameplay Ability Blueprints will
+					// be triggered directly by these input actions Triggered events. 
+					TArray<uint32> BindHandles;
+					LyraIC->BindAbilityActions(InputConfig, this, &ThisClass::Input_AbilityInputTagPressed, &ThisClass::Input_AbilityInputTagReleased, /*out*/ BindHandles);
+
+					LyraIC->BindNativeAction(InputConfig, LyraGameplayTags::InputTag_Move, ETriggerEvent::Triggered, this, &ThisClass::Input_Move, /*bLogIfNotFound=*/ false);
+					LyraIC->BindNativeAction(InputConfig, LyraGameplayTags::InputTag_Look_Mouse, ETriggerEvent::Triggered, this, &ThisClass::Input_LookMouse, /*bLogIfNotFound=*/ false);
+					LyraIC->BindNativeAction(InputConfig, LyraGameplayTags::InputTag_Look_Stick, ETriggerEvent::Triggered, this, &ThisClass::Input_LookStick, /*bLogIfNotFound=*/ false);
+					LyraIC->BindNativeAction(InputConfig, LyraGameplayTags::InputTag_Crouch, ETriggerEvent::Triggered, this, &ThisClass::Input_Crouch, /*bLogIfNotFound=*/ false);
+					LyraIC->BindNativeAction(InputConfig, LyraGameplayTags::InputTag_AutoRun, ETriggerEvent::Triggered, this, &ThisClass::Input_AutoRun, /*bLogIfNotFound=*/ false);
+				}
+			}
+		}
+	}
+
+	if (ensure(!bReadyToBindInputs))
+	{
+		bReadyToBindInputs = true;
+	}
+ 
+	UGameFrameworkComponentManager::SendGameFrameworkComponentExtensionEvent(const_cast<APlayerController*>(PC), NAME_BindInputsNow);
+	UGameFrameworkComponentManager::SendGameFrameworkComponentExtensionEvent(const_cast<APawn*>(Pawn), NAME_BindInputsNow);
+}
+```