awesome_game/Source/TurnBasedTutorial/MyPlayerController.cpp

// Fill out your copyright notice in the Description page of Project Settings.

#include "MyPlayerController.h"
#include "Kismet/GameplayStatics.h"
#include "MyGameMode.h"
#include "Net/UnrealNetwork.h"

AMyPlayerController::AMyPlayerController() : Super(), bIsMyTurn(false), SelectedTrooper(nullptr)
{
	UE_LOG(LogTemp, Warning, TEXT("Player controller created"));
}

void AMyPlayerController::SetupInputComponent()
{
	Super::SetupInputComponent();
	InputComponent->BindAction("MyAction", IE_Pressed, this,
	                           &AMyPlayerController::OnLeftMouseClick);
}

void AMyPlayerController::SetMyTurn(bool bMyTurn)
{
	bIsMyTurn = bMyTurn;
	if (bIsMyTurn)
	{
		GEngine->AddOnScreenDebugMessage(-1, 3.0f, FColor::Green,
										 FString::Printf(
											 TEXT("CURRENT TURN: %d"), PlayerIndex));
	}
	// OnMyTurnChanged.ExecuteIfBound(bIsMyTurn);
}

void AMyPlayerController::StartTurn_Implementation()
{
	SetMyTurn(true);
	UE_LOG(LogTemp, Warning, TEXT("Your turn, %d"), PlayerIndex);
}

void AMyPlayerController::EndTurn_Implementation()
{
	SetMyTurn(false);
	UE_LOG(LogTemp, Warning, TEXT("Not your turn, %d"), PlayerIndex);
}

auto AMyPlayerController::GetMyGameMode() const
{
	return dynamic_cast<AMyGameMode*>(UGameplayStatics::GetGameMode(GetWorld()));
}

void AMyPlayerController::MoveTrooper_Implementation(ATrooper* Trooper, FVector Location)
{
	Trooper->MoveTrooper(Location);
	GetMyGameMode()->CycleTurns();
}


void AMyPlayerController::AttackTrooper_Implementation(ATrooper* Attacker, ATrooper* Victim)
{
	GEngine->AddOnScreenDebugMessage(-1, 5.f, FColor::Red,
	                                 FString::Printf(
		                                 TEXT("ATTACK!! %d attacked %d"), Attacker->GetId(), Victim->GetId()));
	GetMyGameMode()->CycleTurns();
}


void AMyPlayerController::SetPlayerIndex(uint8 NewPlayerIndex)
{
	PlayerIndex = NewPlayerIndex;
}

void AMyPlayerController::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
{
	DOREPLIFETIME(AMyPlayerController, PlayerIndex);
}

void AMyPlayerController::OnLeftMouseClick()
{
	if (!bIsMyTurn)
	{
		return;
	}
	UE_LOG(LogTemp, Warning, TEXT("Mouse clicked"));
	FHitResult HitResult;
	bool const IsHitResult = GetHitResultUnderCursorByChannel(TraceTypeQuery1, false, HitResult);
	if (!IsHitResult)
		return;
	UE_LOG(LogTemp, Warning, TEXT("Got hit result"));
	auto const NewlySelectedLocation = HitResult.Location;
	ATrooper* NewlySelectedTrooper = dynamic_cast<ATrooper*>(HitResult.GetActor());

	if (NewlySelectedTrooper == nullptr || !NewlySelectedTrooper->IsValidLowLevel())
	{
		// we selected something that is not a trooper (or trooper in shitty state...)
		// probably we should move to it if we can...

		UE_LOG(LogTemp, Warning, TEXT("Not a trooper"));

		// if initial trooper is valid...
		if (SelectedTrooper != nullptr && SelectedTrooper->IsValidLowLevel())
		{
			UE_LOG(LogTemp, Warning, TEXT("Do move"));
			// move this mf
			MoveTrooper(SelectedTrooper, NewlySelectedLocation);
			// and reset the selection....
			SelectedTrooper = nullptr;
		}
		return;
	}
	UE_LOG(LogTemp, Warning, TEXT("New Selected Player Index %d"), NewlySelectedTrooper->GetPlayerIndex());
	// skip re-selection
	if (SelectedTrooper == NewlySelectedTrooper)
	{
		UE_LOG(LogTemp, Warning, TEXT("Skip reselection"));
		return;
	}
	// we selected valid trooper...
	if (NewlySelectedTrooper->GetPlayerIndex() == PlayerIndex)
	{
		UE_LOG(LogTemp, Warning, TEXT("Do reselect"));
		// our move, selection
		SelectedTrooper = NewlySelectedTrooper;
	}
	else
	{
		UE_LOG(LogTemp, Warning, TEXT("Attack or skip..."));
		// maybe selected trooper had gone crazy...
		if (SelectedTrooper == nullptr || !SelectedTrooper->IsValidLowLevel())
			return;
		UE_LOG(LogTemp, Warning, TEXT("Do attack"));
		// ATTACK!!! ATTACK!!!!!!
		AttackTrooper(SelectedTrooper, NewlySelectedTrooper);
		SelectedTrooper = nullptr;
	}
}