CAVEOverlayController.h

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

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/Actor.h"
#include "DoorOverlayData.h"
#include "HeadMountedDisplayFunctionLibrary.h"
#include "IDisplayCluster.h"
#include "Engine/Engine.h"
#include "IXRTrackingSystem.h"
#include "Components/InputComponent.h"
#include "Cluster/IDisplayClusterClusterManager.h"
#include "IDisplayClusterGameManager.h"
#include "InputCoreTypes.h"
#include "UObject/ConstructorHelpers.h"
#include <array>
#include "Components/StaticMeshComponent.h"
#include "Engine/Engine.h"
#include "Materials/Material.h"
#include "Materials/MaterialInstanceDynamic.h"
#include "DisplayClusterExtensions/Public/VirtualRealityPawn.h"
#include "DisplayCluster/Public/DisplayClusterSceneComponent.h"
#include "CAVEOverlayController.generated.h"

DECLARE_LOG_CATEGORY_EXTERN(CAVEOverlayLog, Log, All);

UCLASS()
class CAVEOVERLAY_API ACAVEOverlayController : public AActor
{
	GENERATED_BODY()
public:
	ACAVEOverlayController();
protected:
	// Called when the game starts or when spawned
	virtual void BeginPlay() override;
	virtual void PostInitializeComponents() override;

private:
    //Execution Modes
	bool hmd_mode_ = false;
	bool display_cluster_mode_ = false;
	
	//Screen Types
	enum SCREEEN_TYPE { SCREEN_MASTER, SCREEN_NORMAL, SCREEN_DOOR_PARTIAL, SCREEN_DOOR };
	SCREEEN_TYPE screen_type_ = SCREEN_NORMAL;
	const std::array<FString, 4> screens_door_ = {"node_bul_left_eye", "node_bul_right_eye", "node_bll_left_eye", "node_bll_right_eye"};
	const std::array<FString, 4> screens_door_partial_ = {"node_bur_left_eye", "node_bur_right_eye", "node_blr_left_eye", "node_blr_right_eye"};
	const FString screen_main = "node_main";

	//Door Mode
	enum DOOR_MODE { DOOR_CLOSED = 0, DOOR_OPEN = 1, DOOR_PARTIAL_OPEN = 2, DOOR_NUM_MODES = 3};
	const FString door_mode_names_[DOOR_NUM_MODES] = {"Partial Open", "Closed", "Open" };
	DOOR_MODE door_current_mode_ = DOOR_PARTIAL_OPEN;
	const float door_opening_width_relative_ = 0.522; //%, used for the overlay width on the screen
	const float door_opening_width_absolute_ = 165; //cm, used for the non tape part at the door
	const float wall_distance_ = 262.5; //cm, distance from center to a wall, *2 = wall width
	const float wall_close_distance_ = 75; //cm, the distance considered to be too close to the walls
	const float wall_fade_distance_ = 35; //cm, the distance over which the tape is faded
	const float wall_warning_distance_ = 40; //cm, distance on which the tape turns red, measurred from wall
	float door_current_opening_width_absolute_ = 0;

	//Overlay
	TSubclassOf<class UDoorOverlayData> overlay_class_;
	UDoorOverlayData* overlay_;

	//Geometry and Material
	UStaticMeshComponent* createMeshComponent(const FName &name, UStaticMesh* mesh, USceneComponent* parent);
	UMaterial* tape_material_ = nullptr;
	UMaterial* sign_material_ = nullptr;
	float calculateOpacityFromPosition(FVector position);
	bool positionInDoorOpening(FVector position);

	//Pawn Components
	bool attached_ = false;
	void refreshPawnComponents();
	AVirtualRealityPawn* player_pawn_;
	UDisplayClusterSceneComponent* cave_origin_;
	UDisplayClusterSceneComponent* shutter_glasses_;

public:

	// Called every frame
	virtual void Tick(float DeltaTime) override;

	void CycleDoorType();
	void SetDoorMode(DOOR_MODE m);
	
	//Signs and Banners
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) USceneComponent* root = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) USceneComponent* tape_root = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) USceneComponent* sign_root = nullptr;

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* tape_negative_y = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* tape_negative_x = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* tape_positive_y = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* tape_positive_x = nullptr;

	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* sign_negative_y = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* sign_negative_x = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* sign_positive_y = nullptr;
	UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "CAVEOverlay", meta = (AllowPrivateAccess = "true")) UStaticMeshComponent* sign_positive_x = nullptr;

	UMaterialInstanceDynamic* tape_material_dynamic_ = nullptr;
	UMaterialInstanceDynamic* sign_material_dynamic_ = nullptr;
	UStaticMesh* plane_mesh_ = nullptr;
};