TileSmartInteractCandidateProvider.cs

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using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
 
namespace Terraria.GameContent.ObjectInteractions;
 
public class TileSmartInteractCandidateProvider : ISmartInteractCandidateProvider
{
    private class ReusableCandidate : ISmartInteractCandidate
    {
        private bool _strictSettings;
 
        private int _aimedX;
 
        private int _aimedY;
 
        private int _hx;
 
        private int _hy;
 
        private int _lx;
 
        private int _ly;
 
        public float DistanceFromCursor { get; private set; }
 
        public void Reuse(bool strictSettings, float distanceFromCursor, int AimedX, int AimedY, int LX, int LY, int HX, int HY)
        {
            DistanceFromCursor = distanceFromCursor;
            _strictSettings = strictSettings;
            _aimedX = AimedX;
            _aimedY = AimedY;
            _lx = LX;
            _ly = LY;
            _hx = HX;
            _hy = HY;
        }
 
        public void WinCandidacy()
        {
            Main.SmartInteractX = _aimedX;
            Main.SmartInteractY = _aimedY;
            if (_strictSettings)
            {
                Main.SmartInteractShowingFake = Main.SmartInteractTileCoords.Count > 0;
            }
            else
            {
                Main.SmartInteractShowingGenuine = true;
            }
            Main.TileInteractionLX = _lx - 10;
            Main.TileInteractionLY = _ly - 10;
            Main.TileInteractionHX = _hx + 10;
            Main.TileInteractionHY = _hy + 10;
        }
    }
 
    private List<Tuple<int, int>> targets = new List<Tuple<int, int>>();
 
    private ReusableCandidate _candidate = new ReusableCandidate();
 
    public void ClearSelfAndPrepareForCheck()
    {
        Main.SmartInteractX = -1;
        Main.SmartInteractY = -1;
        Main.TileInteractionLX = -1;
        Main.TileInteractionHX = -1;
        Main.TileInteractionLY = -1;
        Main.TileInteractionHY = -1;
        Main.SmartInteractTileCoords.Clear();
        Main.SmartInteractTileCoordsSelected.Clear();
        targets.Clear();
    }
 
    public bool ProvideCandidate(SmartInteractScanSettings settings, out ISmartInteractCandidate candidate)
    {
        candidate = null;
        Point point = settings.mousevec.ToTileCoordinates();
        FillPotentialTargetTiles(settings);
        int num = -1;
        int num2 = -1;
        int num3 = -1;
        int num4 = -1;
        if (targets.Count > 0)
        {
            float num5 = -1f;
            Tuple<int, int> tuple = targets[0];
            for (int i = 0; i < targets.Count; i++)
            {
                float num6 = Vector2.Distance(new Vector2(targets[i].Item1, targets[i].Item2) * 16f + Vector2.One * 8f, settings.mousevec);
                if (num5 == -1f || num6 <= num5)
                {
                    num5 = num6;
                    tuple = targets[i];
                }
            }
            if (Collision.InTileBounds(tuple.Item1, tuple.Item2, settings.LX, settings.LY, settings.HX, settings.HY))
            {
                num = tuple.Item1;
                num2 = tuple.Item2;
            }
        }
        bool flag = false;
        for (int j = 0; j < targets.Count; j++)
        {
            int item = targets[j].Item1;
            int item2 = targets[j].Item2;
            Tile tile = Main.tile[item, item2];
            int num7 = 0;
            int num8 = 0;
            int num9 = 18;
            int num10 = 18;
            int num11 = 2;
            switch (tile.type)
            {
            case 136:
            case 144:
            case 494:
                num7 = 1;
                num8 = 1;
                num11 = 0;
                break;
            case 216:
            case 338:
                num7 = 1;
                num8 = 2;
                break;
            case 15:
            case 497:
                num7 = 1;
                num8 = 2;
                num11 = 4;
                break;
            case 10:
                num7 = 1;
                num8 = 3;
                num11 = 0;
                break;
            case 388:
            case 389:
                num7 = 1;
                num8 = 5;
                break;
            case 29:
            case 387:
                num7 = 2;
                num8 = 1;
                break;
            case 21:
            case 55:
            case 85:
            case 97:
            case 125:
            case 132:
            case 287:
            case 335:
            case 386:
            case 411:
            case 425:
            case 441:
            case 467:
            case 468:
            case 573:
            case 621:
                num7 = 2;
                num8 = 2;
                break;
            case 79:
            case 139:
            case 510:
            case 511:
                num7 = 2;
                num8 = 2;
                num11 = 0;
                break;
            case 11:
            case 356:
            case 410:
            case 470:
            case 480:
            case 509:
            case 657:
            case 658:
            case 663:
                num7 = 2;
                num8 = 3;
                num11 = 0;
                break;
            case 207:
                num7 = 2;
                num8 = 4;
                num11 = 0;
                break;
            case 104:
                num7 = 2;
                num8 = 5;
                break;
            case 88:
                num7 = 3;
                num8 = 1;
                num11 = 0;
                break;
            case 89:
            case 215:
            case 237:
            case 377:
                num7 = 3;
                num8 = 2;
                break;
            case 354:
            case 455:
            case 491:
                num7 = 3;
                num8 = 3;
                num11 = 0;
                break;
            case 487:
                num7 = 4;
                num8 = 2;
                num11 = 0;
                break;
            case 212:
                num7 = 4;
                num8 = 3;
                break;
            case 209:
                num7 = 4;
                num8 = 3;
                num11 = 0;
                break;
            case 102:
            case 463:
            case 475:
            case 597:
                num7 = 3;
                num8 = 4;
                break;
            case 464:
                num7 = 5;
                num8 = 4;
                break;
            }
            if (num7 == 0 || num8 == 0)
            {
                continue;
            }
            int num12 = item - tile.frameX % (num9 * num7) / num9;
            int num13 = item2 - tile.frameY % (num10 * num8 + num11) / num10;
            bool flag2 = Collision.InTileBounds(num, num2, num12, num13, num12 + num7 - 1, num13 + num8 - 1);
            bool flag3 = Collision.InTileBounds(point.X, point.Y, num12, num13, num12 + num7 - 1, num13 + num8 - 1);
            if (flag3)
            {
                num3 = point.X;
                num4 = point.Y;
            }
            if (!settings.FullInteraction)
            {
                flag2 = flag2 && flag3;
            }
            if (flag)
            {
                flag2 = false;
            }
            for (int k = num12; k < num12 + num7; k++)
            {
                for (int l = num13; l < num13 + num8; l++)
                {
                    Point item3 = new Point(k, l);
                    if (!Main.SmartInteractTileCoords.Contains(item3))
                    {
                        if (flag2)
                        {
                            Main.SmartInteractTileCoordsSelected.Add(item3);
                        }
                        if (flag2 || settings.FullInteraction)
                        {
                            Main.SmartInteractTileCoords.Add(item3);
                        }
                    }
                }
            }
            if (!flag && flag2)
            {
                flag = true;
            }
        }
        if (settings.DemandOnlyZeroDistanceTargets)
        {
            if (num3 != -1 && num4 != -1)
            {
                _candidate.Reuse(strictSettings: true, 0f, num3, num4, settings.LX - 10, settings.LY - 10, settings.HX + 10, settings.HY + 10);
                candidate = _candidate;
                return true;
            }
            return false;
        }
        if (num != -1 && num2 != -1)
        {
            float distanceFromCursor = new Rectangle(num * 16, num2 * 16, 16, 16).ClosestPointInRect(settings.mousevec).Distance(settings.mousevec);
            _candidate.Reuse(strictSettings: false, distanceFromCursor, num, num2, settings.LX - 10, settings.LY - 10, settings.HX + 10, settings.HY + 10);
            candidate = _candidate;
            return true;
        }
        return false;
    }
 
    private void FillPotentialTargetTiles(SmartInteractScanSettings settings)
    {
        for (int i = settings.LX; i <= settings.HX; i++)
        {
            for (int j = settings.LY; j <= settings.HY; j++)
            {
                Tile tile = Main.tile[i, j];
                if (tile == null || !tile.active())
                {
                    continue;
                }
                switch (tile.type)
                {
                case 10:
                case 11:
                case 21:
                case 29:
                case 55:
                case 79:
                case 85:
                case 88:
                case 89:
                case 97:
                case 102:
                case 104:
                case 125:
                case 132:
                case 136:
                case 139:
                case 144:
                case 207:
                case 209:
                case 215:
                case 216:
                case 287:
                case 335:
                case 338:
                case 354:
                case 377:
                case 386:
                case 387:
                case 388:
                case 389:
                case 410:
                case 411:
                case 425:
                case 441:
                case 455:
                case 463:
                case 464:
                case 467:
                case 468:
                case 470:
                case 475:
                case 480:
                case 487:
                case 491:
                case 494:
                case 509:
                case 510:
                case 511:
                case 573:
                case 597:
                case 621:
                case 657:
                case 658:
                    targets.Add(new Tuple<int, int>(i, j));
                    break;
                case 15:
                case 497:
                    if (settings.player.IsWithinSnappngRangeToTile(i, j, 40))
                    {
                        targets.Add(new Tuple<int, int>(i, j));
                    }
                    break;
                case 237:
                    if (settings.player.HasItem(1293))
                    {
                        targets.Add(new Tuple<int, int>(i, j));
                    }
                    break;
                case 212:
                    if (settings.player.HasItem(949))
                    {
                        targets.Add(new Tuple<int, int>(i, j));
                    }
                    break;
                case 356:
                    if (!Main.fastForwardTimeToDawn && (Main.netMode == 1 || Main.sundialCooldown == 0))
                    {
                        targets.Add(new Tuple<int, int>(i, j));
                    }
                    break;
                case 663:
                    if (!Main.fastForwardTimeToDusk && (Main.netMode == 1 || Main.moondialCooldown == 0))
                    {
                        targets.Add(new Tuple<int, int>(i, j));
                    }
                    break;
                }
            }
        }
    }
}