Start implementing states

Source/UnrealFightingEngine/IFESystemInterface.cpp

@@ -1,9 +1,4 @@
-// Project Sword & Gun Copyright Kevin Poretti
+// Unreal Fighting Engine by Kevin Poretti
 
 
 #include "IFESystemInterface.h"
-
-// Add default functionality here for any IIFESystemInterface functions that are not pure virtual.
-void IIFESystemInterface::FixedTick(float OneFrame)
-{
-}

Source/UnrealFightingEngine/IFESystemInterface.h

@@ -1,4 +1,4 @@
-// Project Sword & Gun Copyright Kevin Poretti
+// Unreal Fighting Engine by Kevin Poretti
 
 #pragma once
 
@@ -29,5 +29,5 @@ public:
 	 *
 	 *	@param OneFrame the time that elapses during one fixed tick
 	 */
-    virtual void FixedTick(float OneFrame);
+    virtual void FixedTick(float OneFrame) = 0;
 };

Source/UnrealFightingEngine/State/FEState.cpp

@@ -1,5 +1,56 @@
-// Project Sword & Gun Copyright Kevin Poretti
-
+// Unreal Fighting Engine by Kevin Poretti
 
 #include "FEState.h"
+#include "FEStateMachineComponent.h"
 
+
+void UFEState::InitActorInfo(AActor* InOwner, AActor* InAvatar)
+{
+    Owner = InOwner;
+	Avatar = InAvatar;
+}
+
+void UFEState::Enter()
+{
+    TicksInState = 0;
+
+    OnEnter();
+}
+
+void UFEState::Exit()
+{
+    OnExit();
+}
+
+void UFEState::FixedTick(float OneFrame)
+{
+    TicksInState++;
+
+    OnFixedTick(OneFrame);
+}
+
+
+void UFEState::OnEnter_Implementation()
+{
+}
+
+
+void UFEState::OnExit_Implementation()
+{
+}
+
+
+void UFEState::OnFixedTick_Implementation(float OneFrame)
+{
+}
+
+UWorld* UFEState::GetWorld() const
+{
+	UFEStateMachineComponent* SMC = Cast<UFEStateMachineComponent>(GetOuter());
+	if(SMC)
+	{
+		return SMC->GetWorld();
+	}
+	
+	return nullptr;
+}

Source/UnrealFightingEngine/State/FEState.h

@@ -1,4 +1,4 @@
-// Project Sword & Gun Copyright Kevin Poretti
+// Unreal Fighting Engine by Kevin Poretti
 
 #pragma once
 
@@ -7,11 +7,95 @@
 #include "FEState.generated.h"
 
 /**
- * 
+ *	A state is an object that provides rules and conditions for when a state can be transitioned into
+ *	and logic to run when the state is entered, exited, and active.
  */
 UCLASS()
 class UNREALFIGHTINGENGINE_API UFEState : public UObject
 {
 	GENERATED_BODY()
-	
+
+public:
+
+	/**
+	 *	Initializes pointers to what owns this state and what avatar this state represents.
+	 */
+	virtual void InitActorInfo(AActor* InOwner, AActor* InAvatar);
+
+	/** Name of this state */
+	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="UFE|State")
+	FName Name;
+
+	/** Conditions that need to be met in order for this state to be transitioned into */
+	UPROPERTY(EditAnywhere)
+	TArray<uint8> EntryConditions;
+
+	/** What is this state's category. Used for determining what types of state can prematurely cancel this one. */
+	UPROPERTY(EditAnywhere)
+	uint8 StateType;
+
+	/** How many ticks have elapsed since this state was entered */
+	UPROPERTY(BlueprintReadOnly, Category="UFE|State")
+	int32 TicksInState;
+
+	/**
+	 *	Called whenever this state is transitioned into.
+	 *
+	 *	Resets TicksInState and calls appropriate Blueprint hooks
+	 */
+	void Enter();
+
+	/**
+	 *	Called whenever this state is transitioned out of into a new state.
+	 */
+	void Exit();
+
+	/**
+	 *	Called whenever this state is active and the game logic ticks.
+	 *
+	 *	Increments TicksInState and calls appropriate Blueprint hooks.
+	 *
+	 *	@param OneFrame the time that elapses during one fixed tick
+	 */
+	void FixedTick(float OneFrame);
+
+    /**
+     *	Blueprint hook that is called whenever this state is transitioned into
+     */
+	UFUNCTION(BlueprintNativeEvent, Category="UFE|State|Events")
+	void OnEnter();
+
+	/**
+	 *	Blueprint hook that is called whenever this state is transitioned out of into a new state
+	 */
+	UFUNCTION(BlueprintNativeEvent, Category="UFE|State|Events")
+	void OnExit();
+
+	/**
+	 *	Blueprint hook that is called whenever this state is active and the game logic ticks
+	 *
+	 *	@param OneFrame the time that elapses during one fixed tick
+	 */
+	UFUNCTION(BlueprintNativeEvent, Category="UFE|State|Events")
+	void OnFixedTick(float OneFrame);
+
+	// UObject interface
+	virtual UWorld* GetWorld() const override;
+	// End of UObject interface
+
+protected:
+
+	/**
+	 *	Actor that owns this state.
+	 *	This will typically be a player controller that possesses the avatar.
+	 */
+	UPROPERTY(BlueprintReadOnly)
+	AActor* Owner;
+
+	/**
+	 *	The avatar is an actor that this state represents.
+	 *	This will typically be a pawn or character.
+	 */
+	UPROPERTY(BlueprintReadOnly)
+	AActor* Avatar;
 };

Source/UnrealFightingEngine/State/FEStateMachineComponent.cpp

@@ -1,5 +1,4 @@
-// Project Sword & Gun Copyright Kevin Poretti
-
+// Unreal Fighting Engine by Kevin Poretti
 
 #include "FEStateMachineComponent.h"
 

Source/UnrealFightingEngine/State/FEStateMachineComponent.h

@@ -1,4 +1,4 @@
-// Project Sword & Gun Copyright Kevin Poretti
+// Unreal Fighting Engine by Kevin Poretti
 
 #pragma once