RTS_HUD.cpp

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


#include "HUD/RTS_HUD.h"


/*  Constructor */
ARTS_HUD::ARTS_HUD()
{

}


/*  Override - in the HUD Class, DrawHUD() is the equivelant to tick.... runs everyframe */
void ARTS_HUD::DrawHUD()
{
    //Super::DrawHUD();
    if (bStartMarqueeSelect == true)
    {
        CurrentPoint = GetMousePosition2D();

        //CurrentPoint XY distance from origin (initial) point of click
        float DraggedWidth = CurrentPoint.X - InitialPoint.X;
        float DraggedHeight = CurrentPoint.Y - InitialPoint.Y;

        UE_LOG(LogTemp, Warning, TEXT("MousePosition2D: %s "), *CurrentPoint.ToString());

        //Draw the rectangle - InitialPoint = mouse first clicked and held, CurrentPoint = where is the XY on the screen now. Then Draw.
        DrawRect(FLinearColor(0, 0, 1, .22f), InitialPoint.X, InitialPoint.Y, DraggedWidth, DraggedHeight);
    }
}

FVector2D ARTS_HUD::GetMousePosition2D()
{
    float PositionX;
    float PositionY;

    //Get the mouse coordinates from the player controller
    FVector2D MousePosition = GetOwningPlayerController()->GetMousePosition(PositionX, PositionY);

    return MousePosition;
}