DSTFilm.cs

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using Microsoft.Xna.Framework;
using Terraria.DataStructures;
 
namespace Terraria.Cinematics;
 
public class DSTFilm : Film
{
    private NPC _deerclops;
 
    private Projectile _chester;
 
    private Vector2 _startPoint;
 
    private Item _oldItem;
 
    public DSTFilm()
    {
        BuildSequence();
    }
 
    public override void OnBegin()
    {
        PrepareScene();
        Main.hideUI = true;
        base.OnBegin();
    }
 
    public override void OnEnd()
    {
        ClearScene();
        Main.hideUI = false;
        base.OnEnd();
    }
 
    private void BuildSequence()
    {
        AppendKeyFrames(EquipDSTShaderItem);
        AppendEmptySequence(60);
        AppendKeyFrames(CreateDeerclops, CreateChester, ControlPlayer);
        AppendEmptySequence(60);
        AppendEmptySequence(187);
        AppendKeyFrames(StopBeforeCliff);
        AppendEmptySequence(20);
        AppendKeyFrames(TurnPlayerToTheLeft);
        AppendEmptySequence(20);
        AppendKeyFrames(DeerclopsAttack);
        AppendEmptySequence(60);
        AppendKeyFrames(RemoveDSTShaderItem);
    }
 
    private void PrepareScene()
    {
        Main.dayTime = true;
        Main.time = 13500.0;
        Main.time = 43638.0;
        Main.windSpeedCurrent = (Main.windSpeedTarget = 0.36799997f);
        Main.windCounter = 2011;
        Main.cloudAlpha = 0f;
        Main.raining = true;
        Main.rainTime = 3600;
        Main.maxRaining = (Main.oldMaxRaining = (Main.cloudAlpha = 0.9f));
        Main.raining = true;
        Main.maxRaining = (Main.oldMaxRaining = (Main.cloudAlpha = 0.6f));
        Main.raining = true;
        Main.maxRaining = (Main.oldMaxRaining = (Main.cloudAlpha = 0.6f));
        _startPoint = new Point(4050, 488).ToWorldCoordinates();
        _startPoint -= new Vector2(1280f, 0f);
    }
 
    private void ClearScene()
    {
        if (_deerclops != null)
        {
            _deerclops.active = false;
        }
        if (_chester != null)
        {
            _chester.active = false;
        }
        Main.LocalPlayer.isControlledByFilm = false;
    }
 
    private void EquipDSTShaderItem(FrameEventData evt)
    {
        _oldItem = Main.LocalPlayer.armor[3];
        Item item = new Item();
        item.SetDefaults(5113);
        Main.LocalPlayer.armor[3] = item;
    }
 
    private void RemoveDSTShaderItem(FrameEventData evt)
    {
        Main.LocalPlayer.armor[3] = _oldItem;
    }
 
    private void CreateDeerclops(FrameEventData evt)
    {
        _deerclops = PlaceNPCOnGround(668, _startPoint);
        _deerclops.immortal = true;
        _deerclops.dontTakeDamage = true;
        _deerclops.takenDamageMultiplier = 0f;
        _deerclops.immune[255] = 100000;
        _deerclops.immune[Main.myPlayer] = 100000;
        _deerclops.ai[0] = -1f;
        _deerclops.velocity.Y = 4f;
        _deerclops.velocity.X = 6f;
        _deerclops.position.X -= 24f;
        _deerclops.direction = (_deerclops.spriteDirection = 1);
    }
 
    private NPC PlaceNPCOnGround(int type, Vector2 position)
    {
        FindFloorAt(position, out var x, out var y);
        if (type == 668)
        {
            y -= 240;
        }
        int start = 100;
        int num = NPC.NewNPC(new EntitySource_Film(), x, y, type, start);
        return Main.npc[num];
    }
 
    private void CreateChester(FrameEventData evt)
    {
        FindFloorAt(_startPoint + new Vector2(110f, 0f), out var x, out var y);
        y -= 240;
        int num = Projectile.NewProjectile(null, x, y, 0f, 0f, 960, 0, 0f, Main.myPlayer, -1f);
        _chester = Main.projectile[num];
        _chester.velocity.Y = 4f;
        _chester.velocity.X = 6f;
    }
 
    private void ControlPlayer(FrameEventData evt)
    {
        Player localPlayer = Main.LocalPlayer;
        localPlayer.isControlledByFilm = true;
        localPlayer.controlRight = true;
        FindFloorAt(_startPoint + new Vector2(150f, 0f), out var x, out var y);
        localPlayer.BottomLeft = new Vector2(x, y);
        localPlayer.velocity.X = 6f;
    }
 
    private void StopBeforeCliff(FrameEventData evt)
    {
        Main.LocalPlayer.controlRight = false;
        _chester.ai[0] = -2f;
    }
 
    private void TurnPlayerToTheLeft(FrameEventData evt)
    {
        Main.LocalPlayer.ChangeDir(-1);
        _chester.velocity = new Vector2(-0.1f, 0f);
        _chester.spriteDirection = (_chester.direction = -1);
        _deerclops.ai[0] = 1f;
        _deerclops.ai[1] = 0f;
        _deerclops.TargetClosest();
    }
 
    private void DeerclopsAttack(FrameEventData evt)
    {
        Main.LocalPlayer.controlJump = true;
        _chester.velocity.Y = -11.4f;
        _deerclops.ai[0] = 1f;
        _deerclops.ai[1] = 0f;
        _deerclops.TargetClosest();
    }
 
    private static void FindFloorAt(Vector2 position, out int x, out int y)
    {
        x = (int)position.X;
        y = (int)position.Y;
        int i = x / 16;
        int j;
        for (j = y / 16; !WorldGen.SolidTile(i, j); j++)
        {
        }
        y = j * 16;
    }
}