554 lines
23 KiB
C#
554 lines
23 KiB
C#
using Barotrauma.Networking;
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using Barotrauma.Particles;
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using Barotrauma.Sounds;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using System;
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using System.Collections.Generic;
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using Barotrauma.IO;
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using System.Linq;
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using System.Xml.Linq;
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namespace Barotrauma.Items.Components
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{
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partial class Turret : Powered, IDrawableComponent, IServerSerializable
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{
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private Sprite crosshairSprite, crosshairPointerSprite;
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private GUIProgressBar powerIndicator;
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private float recoilTimer;
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private float RetractionTime => Math.Max(Reload * RetractionDurationMultiplier, RecoilTime);
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private RoundSound startMoveSound, endMoveSound, moveSound;
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private SoundChannel moveSoundChannel;
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private Vector2 crosshairPos, crosshairPointerPos;
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private readonly Dictionary<string, Widget> widgets = new Dictionary<string, Widget>();
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private float prevAngle;
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private bool flashLowPower;
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private bool flashNoAmmo;
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private float flashTimer;
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private float flashLength = 1;
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private readonly List<ParticleEmitter> particleEmitters = new List<ParticleEmitter>();
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[Editable, Serialize("0,0,0,0", true, description: "Optional screen tint color when the item is being operated (R,G,B,A).")]
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public Color HudTint
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{
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get;
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private set;
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}
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[Serialize(false, false, description: "Should the charge of the connected batteries/supercapacitors be shown at the top of the screen when operating the item.")]
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public bool ShowChargeIndicator
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{
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get;
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private set;
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}
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[Serialize(false, false, description: "Should the available ammunition be shown at the top of the screen when operating the item.")]
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public bool ShowProjectileIndicator
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{
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get;
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private set;
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}
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[Serialize(0.0f, false, description: "How far the barrel \"recoils back\" when the turret is fired (in pixels).")]
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public float RecoilDistance
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{
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get;
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private set;
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}
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public Vector2 DrawSize
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{
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get
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{
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float size = Math.Max(transformedBarrelPos.X, transformedBarrelPos.Y);
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if (barrelSprite != null)
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{
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if (railSprite != null)
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{
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size += Math.Max(Math.Max(barrelSprite.size.X, barrelSprite.size.Y), Math.Max(railSprite.size.X, railSprite.size.Y)) * item.Scale;
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}
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else
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{
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size += Math.Max(barrelSprite.size.X, barrelSprite.size.Y) * item.Scale;
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}
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}
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return Vector2.One * size * 2;
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}
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}
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public Sprite BarrelSprite
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{
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get { return barrelSprite; }
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}
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partial void InitProjSpecific(XElement element)
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{
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foreach (XElement subElement in element.Elements())
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{
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string texturePath = subElement.GetAttributeString("texture", "");
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switch (subElement.Name.ToString().ToLowerInvariant())
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{
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case "crosshair":
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crosshairSprite = new Sprite(subElement, texturePath.Contains("/") ? "" : Path.GetDirectoryName(item.Prefab.FilePath));
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break;
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case "crosshairpointer":
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crosshairPointerSprite = new Sprite(subElement, texturePath.Contains("/") ? "" : Path.GetDirectoryName(item.Prefab.FilePath));
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break;
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case "startmovesound":
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startMoveSound = Submarine.LoadRoundSound(subElement, false);
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break;
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case "endmovesound":
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endMoveSound = Submarine.LoadRoundSound(subElement, false);
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break;
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case "movesound":
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moveSound = Submarine.LoadRoundSound(subElement, false);
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break;
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case "particleemitter":
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particleEmitters.Add(new ParticleEmitter(subElement));
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break;
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}
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}
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powerIndicator = new GUIProgressBar(new RectTransform(new Vector2(0.18f, 0.03f), GUI.Canvas, Anchor.TopCenter)
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{
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MinSize = new Point(100,20),
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RelativeOffset = new Vector2(0.0f, 0.01f)
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},
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barSize: 0.0f, style: "DeviceProgressBar");
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}
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public override void Move(Vector2 amount)
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{
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widgets.Clear();
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}
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partial void LaunchProjSpecific()
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{
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recoilTimer = RetractionTime;
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PlaySound(ActionType.OnUse);
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Vector2 particlePos = new Vector2(item.WorldRect.X + transformedBarrelPos.X, item.WorldRect.Y - transformedBarrelPos.Y);
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foreach (ParticleEmitter emitter in particleEmitters)
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{
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emitter.Emit(1.0f, particlePos, hullGuess: null, angle: -rotation, particleRotation: rotation);
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}
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}
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public override void UpdateBroken(float deltaTime, Camera cam)
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{
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base.UpdateBroken(deltaTime, cam);
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recoilTimer -= deltaTime;
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}
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partial void UpdateProjSpecific(float deltaTime)
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{
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recoilTimer -= deltaTime;
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if (crosshairSprite != null)
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{
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Vector2 itemPos = cam.WorldToScreen(new Vector2(item.WorldRect.X + transformedBarrelPos.X, item.WorldRect.Y - transformedBarrelPos.Y));
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Vector2 turretDir = new Vector2((float)Math.Cos(rotation), (float)Math.Sin(rotation));
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Vector2 mouseDiff = itemPos - PlayerInput.MousePosition;
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crosshairPos = new Vector2(
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MathHelper.Clamp(itemPos.X + turretDir.X * mouseDiff.Length(), 0, GameMain.GraphicsWidth),
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MathHelper.Clamp(itemPos.Y + turretDir.Y * mouseDiff.Length(), 0, GameMain.GraphicsHeight));
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}
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crosshairPointerPos = PlayerInput.MousePosition;
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if (Math.Abs(angularVelocity) > 0.1f)
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{
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if (moveSoundChannel == null && startMoveSound != null)
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{
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moveSoundChannel = SoundPlayer.PlaySound(startMoveSound.Sound, item.WorldPosition, startMoveSound.Volume, startMoveSound.Range);
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}
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else if (moveSoundChannel == null || !moveSoundChannel.IsPlaying)
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{
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if (moveSound != null)
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{
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moveSoundChannel.FadeOutAndDispose();
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moveSoundChannel = SoundPlayer.PlaySound(moveSound.Sound, item.WorldPosition, moveSound.Volume, moveSound.Range);
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if (moveSoundChannel != null) moveSoundChannel.Looping = true;
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}
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}
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}
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else if (Math.Abs(angularVelocity) < 0.05f)
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{
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if (moveSoundChannel != null)
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{
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if (endMoveSound != null && moveSoundChannel.Sound != endMoveSound.Sound)
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{
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moveSoundChannel.FadeOutAndDispose();
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moveSoundChannel = SoundPlayer.PlaySound(endMoveSound.Sound, item.WorldPosition, endMoveSound.Volume, endMoveSound.Range);
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if (moveSoundChannel != null) moveSoundChannel.Looping = false;
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}
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else if (!moveSoundChannel.IsPlaying)
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{
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moveSoundChannel.FadeOutAndDispose();
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moveSoundChannel = null;
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}
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}
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}
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if (moveSoundChannel != null && moveSoundChannel.IsPlaying)
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{
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moveSoundChannel.Gain = MathHelper.Clamp(Math.Abs(angularVelocity), 0.5f, 1.0f);
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}
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if (flashLowPower || flashNoAmmo)
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{
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flashTimer += deltaTime;
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if (flashTimer >= flashLength)
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{
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flashTimer = 0;
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flashLowPower = false;
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flashNoAmmo = false;
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}
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}
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}
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public override void UpdateHUD(Character character, float deltaTime, Camera cam)
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{
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if (crosshairSprite != null)
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{
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Vector2 itemPos = cam.WorldToScreen(item.WorldPosition);
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Vector2 turretDir = new Vector2((float)Math.Cos(rotation), (float)Math.Sin(rotation));
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Vector2 mouseDiff = itemPos - PlayerInput.MousePosition;
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crosshairPos = new Vector2(
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MathHelper.Clamp(itemPos.X + turretDir.X * mouseDiff.Length(), 0, GameMain.GraphicsWidth),
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MathHelper.Clamp(itemPos.Y + turretDir.Y * mouseDiff.Length(), 0, GameMain.GraphicsHeight));
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}
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crosshairPointerPos = PlayerInput.MousePosition;
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}
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public void Draw(SpriteBatch spriteBatch, bool editing = false, float itemDepth = -1)
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{
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Vector2 drawPos = new Vector2(item.Rect.X + transformedBarrelPos.X, item.Rect.Y - transformedBarrelPos.Y);
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if (item.Submarine != null)
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{
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drawPos += item.Submarine.DrawPosition;
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}
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drawPos.Y = -drawPos.Y;
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float recoilOffset = 0.0f;
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if (Math.Abs(RecoilDistance) > 0.0f && recoilTimer > 0.0f)
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{
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float diff = RetractionTime - RecoilTime;
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if (recoilTimer >= diff)
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{
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//move the barrel backwards 0.1 seconds (defined by RecoilTime) after launching
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recoilOffset = RecoilDistance * (1.0f - (recoilTimer - diff) / RecoilTime);
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}
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else if (recoilTimer <= diff - RetractionDelay)
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{
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//move back to normal position while reloading
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float t = diff - RetractionDelay;
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recoilOffset = RecoilDistance * recoilTimer / t;
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}
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else
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{
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recoilOffset = RecoilDistance;
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}
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}
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railSprite?.Draw(spriteBatch,
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drawPos,
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item.SpriteColor,
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rotation + MathHelper.PiOver2, item.Scale,
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SpriteEffects.None, item.SpriteDepth + (railSprite.Depth - item.Sprite.Depth));
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barrelSprite?.Draw(spriteBatch,
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drawPos - new Vector2((float)Math.Cos(rotation), (float)Math.Sin(rotation)) * recoilOffset * item.Scale,
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item.SpriteColor,
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rotation + MathHelper.PiOver2, item.Scale,
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SpriteEffects.None, item.SpriteDepth + (barrelSprite.Depth - item.Sprite.Depth));
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if (!editing) { return; }
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float widgetRadius = 60.0f;
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GUI.DrawLine(spriteBatch,
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drawPos,
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drawPos + new Vector2((float)Math.Cos(minRotation), (float)Math.Sin(minRotation)) * widgetRadius,
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GUI.Style.Green);
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GUI.DrawLine(spriteBatch,
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drawPos,
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drawPos + new Vector2((float)Math.Cos(maxRotation), (float)Math.Sin(maxRotation)) * widgetRadius,
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GUI.Style.Green);
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GUI.DrawLine(spriteBatch,
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drawPos,
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drawPos + new Vector2((float)Math.Cos((maxRotation + minRotation) / 2), (float)Math.Sin((maxRotation + minRotation) / 2)) * widgetRadius,
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Color.LightGreen);
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if (!item.IsSelected) { return; }
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Widget minRotationWidget = GetWidget("minrotation", spriteBatch, size: 10, initMethod: (widget) =>
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{
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widget.MouseDown += () =>
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{
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widget.color = GUI.Style.Green;
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prevAngle = minRotation;
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};
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widget.Deselected += () =>
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{
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widget.color = Color.Yellow;
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item.CreateEditingHUD();
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};
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widget.MouseHeld += (deltaTime) =>
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{
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minRotation = GetRotationAngle(drawPos);
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if (minRotation > maxRotation)
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{
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float temp = minRotation;
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minRotation = maxRotation;
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maxRotation = temp;
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}
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MapEntity.DisableSelect = true;
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};
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widget.PreUpdate += (deltaTime) =>
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{
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widget.DrawPos = new Vector2(widget.DrawPos.X, -widget.DrawPos.Y);
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widget.DrawPos = Screen.Selected.Cam.WorldToScreen(widget.DrawPos);
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};
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widget.PostUpdate += (deltaTime) =>
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{
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widget.DrawPos = Screen.Selected.Cam.ScreenToWorld(widget.DrawPos);
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widget.DrawPos = new Vector2(widget.DrawPos.X, -widget.DrawPos.Y);
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};
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widget.PreDraw += (sprtBtch, deltaTime) =>
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{
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widget.tooltip = "Min: " + (int)MathHelper.ToDegrees(minRotation);
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widget.DrawPos = drawPos + new Vector2((float)Math.Cos(minRotation), (float)Math.Sin(minRotation)) * widgetRadius;
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widget.Update(deltaTime);
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};
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});
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Widget maxRotationWidget = GetWidget("maxrotation", spriteBatch, size: 10, initMethod: (widget) =>
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{
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widget.MouseDown += () =>
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{
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widget.color = GUI.Style.Green;
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prevAngle = minRotation;
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};
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widget.Deselected += () =>
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{
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widget.color = Color.Yellow;
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item.CreateEditingHUD();
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};
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widget.MouseHeld += (deltaTime) =>
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{
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maxRotation = GetRotationAngle(drawPos);
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if (minRotation > maxRotation)
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{
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float temp = minRotation;
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minRotation = maxRotation;
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maxRotation = temp;
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}
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MapEntity.DisableSelect = true;
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};
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widget.PreUpdate += (deltaTime) =>
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{
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widget.DrawPos = new Vector2(widget.DrawPos.X, -widget.DrawPos.Y);
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widget.DrawPos = Screen.Selected.Cam.WorldToScreen(widget.DrawPos);
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};
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widget.PostUpdate += (deltaTime) =>
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{
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widget.DrawPos = Screen.Selected.Cam.ScreenToWorld(widget.DrawPos);
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widget.DrawPos = new Vector2(widget.DrawPos.X, -widget.DrawPos.Y);
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};
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widget.PreDraw += (sprtBtch, deltaTime) =>
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{
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widget.tooltip = "Max: " + (int)MathHelper.ToDegrees(maxRotation);
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widget.DrawPos = drawPos + new Vector2((float)Math.Cos(maxRotation), (float)Math.Sin(maxRotation)) * widgetRadius;
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widget.Update(deltaTime);
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};
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});
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minRotationWidget.Draw(spriteBatch, (float)Timing.Step);
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maxRotationWidget.Draw(spriteBatch, (float)Timing.Step);
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}
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private Widget GetWidget(string id, SpriteBatch spriteBatch, int size = 5, Action<Widget> initMethod = null)
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{
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if (!widgets.TryGetValue(id, out Widget widget))
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{
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widget = new Widget(id, size, Widget.Shape.Rectangle)
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{
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color = Color.Yellow,
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tooltipOffset = new Vector2(size / 2 + 5, -10),
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inputAreaMargin = 20,
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RequireMouseOn = false
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};
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widgets.Add(id, widget);
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initMethod?.Invoke(widget);
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}
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return widget;
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}
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private void GetAvailablePower(out float availableCharge, out float availableCapacity)
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{
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var batteries = item.GetConnectedComponents<PowerContainer>();
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availableCharge = 0.0f;
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availableCapacity = 0.0f;
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foreach (PowerContainer battery in batteries)
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{
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availableCharge += battery.Charge;
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availableCapacity += battery.Capacity;
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}
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}
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/// <summary>
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/// Returns correct angle between -2PI and +2PI
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/// </summary>
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/// <param name="drawPosition"></param>
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/// <returns></returns>
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private float GetRotationAngle(Vector2 drawPosition)
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{
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Vector2 mouseVector = Screen.Selected.Cam.ScreenToWorld(PlayerInput.MousePosition);
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mouseVector.Y = -mouseVector.Y;
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Vector2 rotationVector = mouseVector - drawPosition;
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rotationVector.Normalize();
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double angle = Math.Atan2(MathHelper.ToRadians(rotationVector.Y), MathHelper.ToRadians(rotationVector.X));
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if (angle < 0)
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{// calculates which coterminal angle is closer to previous angle
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angle = Math.Abs(angle - prevAngle) < Math.Abs((angle + Math.PI * 2) - prevAngle) ? angle : angle + Math.PI * 2;
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}
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else if (angle > 0)
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{
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angle = Math.Abs(angle - prevAngle) < Math.Abs((angle - Math.PI * 2) - prevAngle) ? angle : angle - Math.PI * 2;
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}
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angle = MathHelper.Clamp((float)angle, -((float)Math.PI * 2), (float)Math.PI * 2);
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prevAngle = (float)angle;
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return (float)angle;
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}
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public override void DrawHUD(SpriteBatch spriteBatch, Character character)
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{
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if (HudTint.A > 0)
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{
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GUI.DrawRectangle(spriteBatch, new Rectangle(0, 0, GameMain.GraphicsWidth, GameMain.GraphicsHeight),
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new Color(HudTint.R, HudTint.G, HudTint.B) * (HudTint.A / 255.0f), true);
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}
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GetAvailablePower(out float batteryCharge, out float batteryCapacity);
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List<Item> availableAmmo = new List<Item>();
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foreach (MapEntity e in item.linkedTo)
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{
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var linkedItem = e as Item;
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if (linkedItem == null) continue;
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var itemContainer = linkedItem.GetComponent<ItemContainer>();
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if (itemContainer?.Inventory?.Items == null) continue;
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availableAmmo.AddRange(itemContainer.Inventory.Items);
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}
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float chargeRate =
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powerConsumption <= 0.0f ?
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1.0f :
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batteryCapacity > 0.0f ? batteryCharge / batteryCapacity : 0.0f;
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bool charged = batteryCharge * 3600.0f > powerConsumption;
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bool readyToFire = reload <= 0.0f && charged && availableAmmo.Any(p => p != null);
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if (ShowChargeIndicator && PowerConsumption > 0.0f)
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{
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powerIndicator.Color = charged ? GUI.Style.Green : GUI.Style.Red;
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if (flashLowPower)
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{
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powerIndicator.BarSize = 1;
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powerIndicator.Color *= (float)Math.Sin(flashTimer * 12);
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powerIndicator.RectTransform.ChangeScale(Vector2.Lerp(Vector2.One, Vector2.One * 1.01f, 2 * (float)Math.Sin(flashTimer * 15)));
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}
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else
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{
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powerIndicator.BarSize = chargeRate;
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}
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powerIndicator.DrawManually(spriteBatch, true);
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Rectangle sliderRect = powerIndicator.GetSliderRect(1.0f);
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int requiredChargeIndicatorPos = (int)(powerConsumption / (batteryCapacity * 3600.0f) * sliderRect.Width);
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GUI.DrawRectangle(spriteBatch,
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new Rectangle(sliderRect.X + requiredChargeIndicatorPos, sliderRect.Y, 2, sliderRect.Height),
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Color.White * 0.5f, true);
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}
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if (ShowProjectileIndicator)
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{
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Point slotSize = (Inventory.SlotSpriteSmall.size * Inventory.UIScale).ToPoint();
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int spacing = 5;
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int slotsPerRow = Math.Min(availableAmmo.Count, 6);
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int totalWidth = slotSize.X * slotsPerRow + spacing * (slotsPerRow - 1);
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Point invSlotPos = new Point(GameMain.GraphicsWidth / 2 - totalWidth / 2, (int)(60 * GUI.Scale));
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for (int i = 0; i < availableAmmo.Count; i++)
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{
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// TODO: Optimize? Creates multiple new objects per frame?
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Inventory.DrawSlot(spriteBatch, null,
|
|
new InventorySlot(new Rectangle(invSlotPos + new Point((i % slotsPerRow) * (slotSize.X + spacing), (int)Math.Floor(i / (float)slotsPerRow) * (slotSize.Y + spacing)), slotSize)),
|
|
availableAmmo[i], -1, true);
|
|
}
|
|
if (flashNoAmmo)
|
|
{
|
|
Rectangle rect = new Rectangle(invSlotPos.X, invSlotPos.Y, totalWidth, slotSize.Y);
|
|
float inflate = MathHelper.Lerp(3, 8, (float)Math.Abs(1 * Math.Sin(flashTimer * 5)));
|
|
rect.Inflate(inflate, inflate);
|
|
Color color = GUI.Style.Red * MathHelper.Max(0.5f, (float)Math.Sin(flashTimer * 12));
|
|
GUI.DrawRectangle(spriteBatch, rect, color, thickness: 3);
|
|
}
|
|
}
|
|
|
|
float zoom = cam == null ? 1.0f : (float)Math.Sqrt(cam.Zoom);
|
|
|
|
GUI.HideCursor = (crosshairSprite != null || crosshairPointerSprite != null) && GUI.MouseOn == null && !GameMain.Instance.Paused;
|
|
if (GUI.HideCursor)
|
|
{
|
|
crosshairSprite?.Draw(spriteBatch, crosshairPos, readyToFire ? Color.White : Color.White * 0.2f, 0, zoom);
|
|
crosshairPointerSprite?.Draw(spriteBatch, crosshairPointerPos, 0, zoom);
|
|
}
|
|
}
|
|
|
|
public void ClientRead(ServerNetObject type, IReadMessage msg, float sendingTime)
|
|
{
|
|
UInt16 projectileID = msg.ReadUInt16();
|
|
float newTargetRotation = msg.ReadRangedSingle(minRotation, maxRotation, 16);
|
|
|
|
if (Character.Controlled == null || user != Character.Controlled)
|
|
{
|
|
targetRotation = newTargetRotation;
|
|
}
|
|
|
|
//projectile removed, do nothing
|
|
if (projectileID == 0) { return; }
|
|
|
|
//ID ushort.MaxValue = launched without a projectile
|
|
if (projectileID == ushort.MaxValue)
|
|
{
|
|
Launch(null);
|
|
}
|
|
else
|
|
{
|
|
if (!(Entity.FindEntityByID(projectileID) is Item projectile))
|
|
{
|
|
DebugConsole.ThrowError("Failed to launch a projectile - item with the ID \"" + projectileID + " not found");
|
|
return;
|
|
}
|
|
Launch(projectile, launchRotation: newTargetRotation);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|