Actions.cs

Go to the documentation of this file.

using System;
using System.Collections.Generic;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Terraria.DataStructures;
using Terraria.GameContent;
 
namespace Terraria.WorldBuilding;
 
public static class Actions
{
    public class ContinueWrapper : GenAction
    {
        private GenAction _action;
 
        public ContinueWrapper(GenAction action)
        {
            _action = action;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            _action.Apply(origin, x, y, args);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class Count : GenAction
    {
        private Ref<int> _count;
 
        public Count(Ref<int> count)
        {
            _count = count;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            _count.Value++;
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class Scanner : GenAction
    {
        private Ref<int> _count;
 
        public Scanner(Ref<int> count)
        {
            _count = count;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            _count.Value++;
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class TileScanner : GenAction
    {
        private ushort[] _tileIds;
 
        private Dictionary<ushort, int> _tileCounts;
 
        public TileScanner(params ushort[] tiles)
        {
            _tileIds = tiles;
            _tileCounts = new Dictionary<ushort, int>();
            for (int i = 0; i < tiles.Length; i++)
            {
                _tileCounts[_tileIds[i]] = 0;
            }
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            Tile tile = GenBase._tiles[x, y];
            if (tile.active() && _tileCounts.ContainsKey(tile.type))
            {
                _tileCounts[tile.type]++;
            }
            return UnitApply(origin, x, y, args);
        }
 
        public TileScanner Output(Dictionary<ushort, int> resultsOutput)
        {
            _tileCounts = resultsOutput;
            for (int i = 0; i < _tileIds.Length; i++)
            {
                if (!_tileCounts.ContainsKey(_tileIds[i]))
                {
                    _tileCounts[_tileIds[i]] = 0;
                }
            }
            return this;
        }
 
        public Dictionary<ushort, int> GetResults()
        {
            return _tileCounts;
        }
 
        public int GetCount(ushort tileId)
        {
            if (!_tileCounts.ContainsKey(tileId))
            {
                return -1;
            }
            return _tileCounts[tileId];
        }
    }
 
    public class Blank : GenAction
    {
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class Custom : GenAction
    {
        private CustomPerUnitAction _perUnit;
 
        public Custom(CustomPerUnitAction perUnit)
        {
            _perUnit = perUnit;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            return _perUnit(x, y, args) | UnitApply(origin, x, y, args);
        }
    }
 
    public class ClearMetadata : GenAction
    {
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].ClearMetadata();
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class Clear : GenAction
    {
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].ClearEverything();
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class ClearTile : GenAction
    {
        private bool _frameNeighbors;
 
        public ClearTile(bool frameNeighbors = false)
        {
            _frameNeighbors = frameNeighbors;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            WorldUtils.ClearTile(x, y, _frameNeighbors);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class ClearWall : GenAction
    {
        private bool _frameNeighbors;
 
        public ClearWall(bool frameNeighbors = false)
        {
            _frameNeighbors = frameNeighbors;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            WorldUtils.ClearWall(x, y, _frameNeighbors);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class HalfBlock : GenAction
    {
        private bool _value;
 
        public HalfBlock(bool value = true)
        {
            _value = value;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].halfBrick(_value);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class SetTile : GenAction
    {
        private ushort _type;
 
        private bool _doFraming;
 
        private bool _doNeighborFraming;
 
        public SetTile(ushort type, bool setSelfFrames = false, bool setNeighborFrames = true)
        {
            _type = type;
            _doFraming = setSelfFrames;
            _doNeighborFraming = setNeighborFrames;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].Clear(~(TileDataType.Wiring | TileDataType.Actuator));
            GenBase._tiles[x, y].type = _type;
            GenBase._tiles[x, y].active(active: true);
            if (_doFraming)
            {
                WorldUtils.TileFrame(x, y, _doNeighborFraming);
            }
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class SetTileKeepWall : GenAction
    {
        private ushort _type;
 
        private bool _doFraming;
 
        private bool _doNeighborFraming;
 
        public SetTileKeepWall(ushort type, bool setSelfFrames = false, bool setNeighborFrames = true)
        {
            _type = type;
            _doFraming = setSelfFrames;
            _doNeighborFraming = setNeighborFrames;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            ushort wall = GenBase._tiles[x, y].wall;
            int wallFrameX = GenBase._tiles[x, y].wallFrameX();
            int wallFrameY = GenBase._tiles[x, y].wallFrameY();
            GenBase._tiles[x, y].Clear(~(TileDataType.Wiring | TileDataType.Actuator));
            GenBase._tiles[x, y].type = _type;
            GenBase._tiles[x, y].active(active: true);
            if (wall > 0)
            {
                GenBase._tiles[x, y].wall = wall;
                GenBase._tiles[x, y].wallFrameX(wallFrameX);
                GenBase._tiles[x, y].wallFrameY(wallFrameY);
            }
            if (_doFraming)
            {
                WorldUtils.TileFrame(x, y, _doNeighborFraming);
            }
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class DebugDraw : GenAction
    {
        private Color _color;
 
        private SpriteBatch _spriteBatch;
 
        public DebugDraw(SpriteBatch spriteBatch, Color color = default(Color))
        {
            _spriteBatch = spriteBatch;
            _color = color;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            _spriteBatch.Draw(TextureAssets.MagicPixel.Value, new Rectangle((x << 4) - (int)Main.screenPosition.X, (y << 4) - (int)Main.screenPosition.Y, 16, 16), _color);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class SetSlope : GenAction
    {
        private int _slope;
 
        public SetSlope(int slope)
        {
            _slope = slope;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            WorldGen.SlopeTile(x, y, _slope);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class SetHalfTile : GenAction
    {
        private bool _halfTile;
 
        public SetHalfTile(bool halfTile)
        {
            _halfTile = halfTile;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].halfBrick(_halfTile);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class SetTileAndWallRainbowPaint : GenAction
    {
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            byte paintIDForPosition = GetPaintIDForPosition(x, y);
            GenBase._tiles[x, y].color(paintIDForPosition);
            GenBase._tiles[x, y].wallColor(paintIDForPosition);
            return UnitApply(origin, x, y, args);
        }
 
        private byte GetPaintIDForPosition(int x, int y)
        {
            int num = x % 52 + y % 52;
            num %= 26;
            if (num > 12)
            {
                num = 12 - (num - 12);
            }
            num = Math.Min(12, Math.Max(1, num));
            return (byte)(12 + num);
        }
    }
 
    public class PlaceTile : GenAction
    {
        private ushort _type;
 
        private int _style;
 
        public PlaceTile(ushort type, int style = 0)
        {
            _type = type;
            _style = style;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            WorldGen.PlaceTile(x, y, _type, mute: true, forced: false, -1, _style);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class RemoveWall : GenAction
    {
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].wall = 0;
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class PlaceWall : GenAction
    {
        private ushort _type;
 
        private bool _neighbors;
 
        public PlaceWall(ushort type, bool neighbors = true)
        {
            _type = type;
            _neighbors = neighbors;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].wall = _type;
            WorldGen.SquareWallFrame(x, y);
            if (_neighbors)
            {
                WorldGen.SquareWallFrame(x + 1, y);
                WorldGen.SquareWallFrame(x - 1, y);
                WorldGen.SquareWallFrame(x, y - 1);
                WorldGen.SquareWallFrame(x, y + 1);
            }
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class SetLiquid : GenAction
    {
        private int _type;
 
        private byte _value;
 
        public SetLiquid(int type = 0, byte value = byte.MaxValue)
        {
            _value = value;
            _type = type;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            GenBase._tiles[x, y].liquidType(_type);
            GenBase._tiles[x, y].liquid = _value;
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class SwapSolidTile : GenAction
    {
        private ushort _type;
 
        public SwapSolidTile(ushort type)
        {
            _type = type;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            Tile tile = GenBase._tiles[x, y];
            if (WorldGen.SolidTile(tile))
            {
                tile.ResetToType(_type);
                return UnitApply(origin, x, y, args);
            }
            return Fail();
        }
    }
 
    public class SetFrames : GenAction
    {
        private bool _frameNeighbors;
 
        public SetFrames(bool frameNeighbors = false)
        {
            _frameNeighbors = frameNeighbors;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            WorldUtils.TileFrame(x, y, _frameNeighbors);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public class Smooth : GenAction
    {
        private bool _applyToNeighbors;
 
        public Smooth(bool applyToNeighbors = false)
        {
            _applyToNeighbors = applyToNeighbors;
        }
 
        public override bool Apply(Point origin, int x, int y, params object[] args)
        {
            Tile.SmoothSlope(x, y, _applyToNeighbors);
            return UnitApply(origin, x, y, args);
        }
    }
 
    public static GenAction Chain(params GenAction[] actions)
    {
        for (int i = 0; i < actions.Length - 1; i++)
        {
            actions[i].NextAction = actions[i + 1];
        }
        return actions[0];
    }
 
    public static GenAction Continue(GenAction action)
    {
        return new ContinueWrapper(action);
    }
}