From 8e59d1a8b757182dafecd7b9c02c1a0bc946eda5 Mon Sep 17 00:00:00 2001
From: Louis Hobbs <bazzadobs@live.co.uk>
Date: Mon, 6 Feb 2023 01:07:01 +0000
Subject: [PATCH] Add basic Player HUD

---
 Content/Player/DefaultGamemode.uasset |  4 ++--
 Content/Player/PlayerCharacter.uasset |  4 ++--
 Content/UI/PlayerHUD.uasset           |  3 +++
 Content/UI/WidgetHUD.uasset           |  3 +++
 Source/Nakatomi/Nakatomi.Build.cs     |  2 +-
 Source/Nakatomi/PlayerCharacter.cpp   | 29 +++++++++++++++++++++++++++
 Source/Nakatomi/PlayerCharacter.h     | 12 +++++++++++
 7 files changed, 52 insertions(+), 5 deletions(-)
 create mode 100644 Content/UI/PlayerHUD.uasset
 create mode 100644 Content/UI/WidgetHUD.uasset

diff --git a/Content/Player/DefaultGamemode.uasset b/Content/Player/DefaultGamemode.uasset
index 603b28a..b3e9f87 100644
--- a/Content/Player/DefaultGamemode.uasset
+++ b/Content/Player/DefaultGamemode.uasset
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:39be4b5146602dd27098c9a4de8d1381b808a0af82945cf0b7dcd064cf83b02c
-size 19680
+oid sha256:6bcbeecf5ff3f378a35de9d728a38cc38466000be8726cc93dd607aec3493589
+size 19921
diff --git a/Content/Player/PlayerCharacter.uasset b/Content/Player/PlayerCharacter.uasset
index 6c22674..dcba240 100644
--- a/Content/Player/PlayerCharacter.uasset
+++ b/Content/Player/PlayerCharacter.uasset
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:7fa7a42459254da49fb79e0870082557af4cb332e1683cc3c858441b7e19eb61
-size 38074
+oid sha256:0977fa5f83da69719d01c9921cdc2f453ddbeeb09c32146fa3645aac08c58c4f
+size 36527
diff --git a/Content/UI/PlayerHUD.uasset b/Content/UI/PlayerHUD.uasset
new file mode 100644
index 0000000..eeec161
--- /dev/null
+++ b/Content/UI/PlayerHUD.uasset
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3aed9eaa098b4d6fa0a1a10ba2515ca40f432ffcd36a872c4a99d08c87edf58
+size 21080
diff --git a/Content/UI/WidgetHUD.uasset b/Content/UI/WidgetHUD.uasset
new file mode 100644
index 0000000..38e7c8f
--- /dev/null
+++ b/Content/UI/WidgetHUD.uasset
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d9f9fa7c114d0a2a43d994d503b61a2c79246bea1a6ef4bfe70d40b0c1ee2e6c
+size 64644
diff --git a/Source/Nakatomi/Nakatomi.Build.cs b/Source/Nakatomi/Nakatomi.Build.cs
index a75dab6..06ba12a 100644
--- a/Source/Nakatomi/Nakatomi.Build.cs
+++ b/Source/Nakatomi/Nakatomi.Build.cs
@@ -8,7 +8,7 @@ public class Nakatomi : ModuleRules
 	{
 		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
 	
-		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "EnhancedInput", "FieldSystemEngine", "GeometryCollectionEngine" });
+		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore", "EnhancedInput", "FieldSystemEngine", "GeometryCollectionEngine", "UMG" });
 
 		PrivateDependencyModuleNames.AddRange(new string[] {  });
 
diff --git a/Source/Nakatomi/PlayerCharacter.cpp b/Source/Nakatomi/PlayerCharacter.cpp
index c9015b5..51b87da 100644
--- a/Source/Nakatomi/PlayerCharacter.cpp
+++ b/Source/Nakatomi/PlayerCharacter.cpp
@@ -63,6 +63,15 @@ void APlayerCharacter::BeginPlay()
 		this->Tags.Add(FName("Player"));
 	}
 
+	if (PlayerHUD)
+	{
+		currentPlayerHUD = UUserWidget::CreateWidgetInstance(*GetWorld(), PlayerHUD, FName("PLayer HUD"));
+
+		if (currentPlayerHUD)
+		{
+			currentPlayerHUD->AddToViewport();
+		}
+	}
 }
 
 // Called every frame
@@ -469,3 +478,23 @@ void APlayerCharacter::ClearAllTimers()
 	GetWorldTimerManager().ClearTimer(FireTimerHandle);
 	GetWorldTimerManager().ClearTimer(CooldownTimerHandle);
 }
+
+int APlayerCharacter::GetCurrentAmmoCount()
+{
+	if (CurrentWeapon == nullptr)
+	{
+		return -1;
+	}
+
+	return CurrentWeapon->GetAmmoCount();
+}
+
+float APlayerCharacter::GetCurrentHealthCount()
+{
+	if (!GetHealthComponent())
+	{
+		return -1;
+	}
+
+	return GetHealthComponent()->GetCurrentHealth();
+}
diff --git a/Source/Nakatomi/PlayerCharacter.h b/Source/Nakatomi/PlayerCharacter.h
index fa3d7da..f500a0a 100644
--- a/Source/Nakatomi/PlayerCharacter.h
+++ b/Source/Nakatomi/PlayerCharacter.h
@@ -11,6 +11,7 @@
 #include "Weapon.h"
 #include "Engine/EngineTypes.h"
 #include "Engine/DamageEvents.h"
+#include "Blueprint/UserWidget.h"
 #include "PlayerCharacter.generated.h"
 
 class UInputAction;
@@ -59,6 +60,9 @@ public:
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
 	UInputAction* WeaponSwitchingAction;
 
+	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
+	TSubclassOf<class UUserWidget> PlayerHUD;
+
 protected:
 
 	UPROPERTY(EditDefaultsOnly, BlueprintReadWrite)
@@ -85,6 +89,8 @@ private:
 
 	bool IsFiring = false;
 
+	class UUserWidget* currentPlayerHUD;
+
 public:
 	// Sets default values for this character's properties
 	APlayerCharacter();
@@ -147,4 +153,10 @@ public:
 	void WeaponCooldownHandler();
 
 	void ClearAllTimers();
+
+	UFUNCTION(BlueprintCallable)
+	int GetCurrentAmmoCount();
+
+	UFUNCTION(BlueprintCallable)
+	float GetCurrentHealthCount();
 };