SmartSelectGamepadPointer.cs

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using System;
using Microsoft.Xna.Framework;
 
namespace Terraria.GameInput;
 
public class SmartSelectGamepadPointer
{
    private Vector2 _size;
 
    private Vector2 _center;
 
    private Vector2 _distUniform = new Vector2(80f, 64f);
 
    public bool ShouldBeUsed()
    {
        if (PlayerInput.UsingGamepad && Main.LocalPlayer.controlTorch)
        {
            return Main.SmartCursorIsUsed;
        }
        return false;
    }
 
    public void SmartSelectLookup_GetTargetTile(Player player, out int tX, out int tY)
    {
        tX = (int)(((float)Main.mouseX + Main.screenPosition.X) / 16f);
        tY = (int)(((float)Main.mouseY + Main.screenPosition.Y) / 16f);
        if (player.gravDir == -1f)
        {
            tY = (int)((Main.screenPosition.Y + (float)Main.screenHeight - (float)Main.mouseY) / 16f);
        }
        if (ShouldBeUsed())
        {
            Point point = GetPointerPosition().ToPoint();
            tX = (int)(((float)point.X + Main.screenPosition.X) / 16f);
            tY = (int)(((float)point.Y + Main.screenPosition.Y) / 16f);
            if (player.gravDir == -1f)
            {
                tY = (int)((Main.screenPosition.Y + (float)Main.screenHeight - (float)point.Y) / 16f);
            }
        }
    }
 
    public void UpdateSize(Vector2 size)
    {
        _size = size;
    }
 
    public void UpdateCenter(Vector2 center)
    {
        _center = center;
    }
 
    public Vector2 GetPointerPosition()
    {
        Vector2 vector = (new Vector2(Main.mouseX, Main.mouseY) - _center) / _size;
        float num = Math.Abs(vector.X);
        if (num < Math.Abs(vector.Y))
        {
            num = Math.Abs(vector.Y);
        }
        if (num > 1f)
        {
            vector /= num;
        }
        vector *= Main.GameViewMatrix.Zoom.X;
        return vector * _distUniform + _center;
    }
}