651 lines
22 KiB
C#
651 lines
22 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Xml.Linq;
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using FarseerPhysics;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Lidgren.Network;
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namespace Barotrauma
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{
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class Hull : MapEntity
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{
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public static List<Hull> hullList = new List<Hull>();
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public static bool EditWater, EditFire;
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public static WaterRenderer renderer;
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private List<FireSource> fireSources;
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public const float OxygenDistributionSpeed = 500.0f;
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public const float OxygenDetoriationSpeed = 0.3f;
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public const float OxygenConsumptionSpeed = 1000.0f;
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public const int WaveWidth = 16;
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const float WaveStiffness = 0.003f;
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const float WaveSpread = 0.05f;
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const float WaveDampening = 0.01f;
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//how much excess water the room can contain (= more than the volume of the room)
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public const float MaxCompress = 10000f;
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public readonly Dictionary<string, PropertyDescriptor> properties;
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private float lethalPressure;
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private float surface;
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private float volume;
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private float pressure;
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private float oxygen;
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private bool update;
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float[] waveY; //displacement from the surface of the water
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float[] waveVel; //velocity of the point
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float[] leftDelta;
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float[] rightDelta;
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float lastSentVolume;
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public override string Name
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{
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get
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{
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return "Hull";
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}
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}
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public override bool IsLinkable
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{
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get { return true; }
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}
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public float LethalPressure
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{
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get { return lethalPressure; }
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set { lethalPressure = MathHelper.Clamp(value, 0.0f, 100.0f); }
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}
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public Vector2 Size
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{
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get { return new Vector2(rect.Width, rect.Height); }
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}
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public float Surface
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{
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get { return surface; }
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}
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public float Volume
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{
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get { return volume; }
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set
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{
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if (!MathUtils.IsValid(value)) return;
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volume = MathHelper.Clamp(value, 0.0f, FullVolume + MaxCompress);
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if (volume < FullVolume) Pressure = rect.Y - rect.Height + volume / rect.Width;
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if (volume > 0.0f) update = true;
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}
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}
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[HasDefaultValue(90.0f, true)]
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public float Oxygen
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{
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get { return oxygen; }
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set { oxygen = MathHelper.Clamp(value, 0.0f, FullVolume); }
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}
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public float OxygenPercentage
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{
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get { return oxygen / FullVolume * 100.0f; }
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set { Oxygen = (value / 100.0f) * FullVolume; }
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}
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public float FullVolume
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{
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get { return (rect.Width * rect.Height); }
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}
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public float Pressure
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{
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get { return pressure; }
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set { pressure = value; }
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}
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public float[] WaveY
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{
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get { return waveY; }
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}
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public float[] WaveVel
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{
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get { return waveVel; }
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}
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public List<FireSource> FireSources
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{
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get { return fireSources; }
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}
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public Hull(Rectangle rectangle, Submarine submarine)
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: base (submarine)
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{
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rect = rectangle;
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OxygenPercentage = Rand.Range(90.0f, 100.0f, false);
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fireSources = new List<FireSource>();
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properties = TypeDescriptor.GetProperties(GetType())
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.Cast<PropertyDescriptor>()
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.ToDictionary(pr => pr.Name);
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int arraySize = (rectangle.Width / WaveWidth + 1);
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waveY = new float[arraySize];
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waveVel = new float[arraySize];
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leftDelta = new float[arraySize];
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rightDelta = new float[arraySize];
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surface = rect.Y - rect.Height;
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aiTarget = new AITarget(this);
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aiTarget.SightRange = (rect.Width + rect.Height)*5.0f;
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hullList.Add(this);
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Item.UpdateHulls();
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Gap.UpdateHulls();
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Volume = 0.0f;
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InsertToList();
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}
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public override bool Contains(Vector2 position)
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{
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return (Submarine.RectContains(WorldRect, position) &&
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!Submarine.RectContains(MathUtils.ExpandRect(WorldRect, -8), position));
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}
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public int GetWaveIndex(Vector2 position)
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{
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return GetWaveIndex(position.X);
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}
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public int GetWaveIndex(float xPos)
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{
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int index = (int)(xPos - rect.X) / WaveWidth;
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index = (int)MathHelper.Clamp(index, 0, waveY.Length - 1);
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return index;
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}
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public override void Move(Vector2 amount)
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{
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rect.X += (int)amount.X;
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rect.Y += (int)amount.Y;
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Item.UpdateHulls();
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Gap.UpdateHulls();
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}
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public override void Remove()
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{
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base.Remove();
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Item.UpdateHulls();
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Gap.UpdateHulls();
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List<FireSource> fireSourcesToRemove = new List<FireSource>(fireSources);
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foreach (FireSource fireSource in fireSourcesToRemove)
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{
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fireSource.Remove();
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}
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//renderer.Dispose();
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hullList.Remove(this);
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}
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public void AddFireSource(FireSource fireSource, bool createNetworkEvent = true)
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{
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fireSources.Add(fireSource);
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if (createNetworkEvent)
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{
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new Networking.NetworkEvent(Networking.NetworkEventType.ImportantEntityUpdate, this.ID, false);
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}
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}
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public override void Update(Camera cam, float deltaTime)
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{
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Oxygen -= OxygenDetoriationSpeed * deltaTime;
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if (EditWater)
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{
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Vector2 position = cam.ScreenToWorld(PlayerInput.MousePosition);
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if (Submarine.RectContains(WorldRect, position))
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{
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if (PlayerInput.LeftButtonDown())
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{
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//waveY[GetWaveIndex(position.X - rect.X - Submarine.Position.X) / WaveWidth] = 100.0f;
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Volume = Volume + 1500.0f;
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}
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else if (PlayerInput.RightButtonDown())
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{
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Volume = Volume - 1500.0f;
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}
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}
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}
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else if (EditFire)
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{
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Vector2 position = cam.ScreenToWorld(PlayerInput.MousePosition);
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if (Submarine.RectContains(WorldRect, position))
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{
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if (PlayerInput.LeftButtonClicked())
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{
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new FireSource(position);
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}
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}
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}
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FireSource.UpdateAll(fireSources, deltaTime);
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//update client hulls if the amount of water has changed by >10%
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if (Math.Abs(lastSentVolume - volume) > FullVolume * 0.1f)
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{
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new Networking.NetworkEvent(ID, false);
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lastSentVolume = volume;
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}
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if (!update) return;
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float surfaceY = rect.Y - rect.Height + Volume / rect.Width;
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for (int i = 0; i < waveY.Length; i++)
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{
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float maxDelta = Math.Max(Math.Abs(rightDelta[i]), Math.Abs(leftDelta[i]));
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if (maxDelta > Rand.Range(1.0f,10.0f))
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{
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Vector2 particlePos = new Vector2(rect.X + WaveWidth * i, surface + waveY[i]);
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if (Submarine != null) particlePos += Submarine.Position;
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GameMain.ParticleManager.CreateParticle("mist",
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particlePos,
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new Vector2(0.0f, -50.0f), 0.0f, this);
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}
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waveY[i] = waveY[i] + waveVel[i];
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if (surfaceY + waveY[i] > rect.Y)
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{
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waveY[i] -= (surfaceY + waveY[i]) - rect.Y;
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waveVel[i] = waveVel[i] * -0.5f;
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}
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else if (surfaceY + waveY[i] < rect.Y - rect.Height)
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{
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waveY[i] -= (surfaceY + waveY[i]) - (rect.Y - rect.Height);
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waveVel[i] = waveVel[i] * -0.5f;
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}
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//acceleration
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float a = -WaveStiffness * waveY[i] - waveVel[i] * WaveDampening;
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waveVel[i] = waveVel[i] + a;
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}
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for (int j = 0; j < 2; j++)
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{
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for (int i = 1; i < waveY.Length - 1; i++)
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{
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leftDelta[i] = WaveSpread * (waveY[i] - waveY[i - 1]);
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waveVel[i - 1] = waveVel[i - 1] + leftDelta[i];
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rightDelta[i] = WaveSpread * (waveY[i] - waveY[i + 1]);
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waveVel[i + 1] = waveVel[i + 1] + rightDelta[i];
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}
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for (int i = 1; i < waveY.Length - 1; i++)
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{
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waveY[i - 1] = waveY[i - 1] + leftDelta[i];
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waveY[i + 1] = waveY[i + 1] + rightDelta[i];
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}
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}
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if (volume < FullVolume)
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{
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LethalPressure -= 10.0f * deltaTime;
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if (Volume == 0.0f)
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{
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for (int i = 1; i < waveY.Length - 1; i++)
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{
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if (waveY[i] > 0.1f) return;
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}
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update = false;
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}
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}
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else
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{
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LethalPressure += ( Submarine.Loaded!=null && Submarine.Loaded.AtDamageDepth) ? 100.0f*deltaTime : 10.0f * deltaTime;
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}
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}
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public void Extinquish(float deltaTime, float amount, Vector2 position)
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{
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for (int i = fireSources.Count - 1; i >= 0; i-- )
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{
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fireSources[i].Extinquish(deltaTime, amount, position);
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}
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}
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public void RemoveFire(FireSource fire)
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{
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fireSources.Remove(fire);
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new Networking.NetworkEvent(Networking.NetworkEventType.ImportantEntityUpdate, this.ID, false);
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}
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public override void Draw(SpriteBatch spriteBatch, bool editing, bool back = true)
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{
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if (!editing && !GameMain.DebugDraw) return;
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Rectangle drawRect =
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Submarine == null ? rect : new Rectangle((int)(Submarine.DrawPosition.X + rect.X), (int)(Submarine.DrawPosition.Y + rect.Y), rect.Width, rect.Height);
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GUI.DrawRectangle(spriteBatch,
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new Vector2(drawRect.X, -drawRect.Y),
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new Vector2(rect.Width, rect.Height),
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Color.Blue);
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GUI.DrawRectangle(spriteBatch,
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new Rectangle(drawRect.X, -drawRect.Y, rect.Width, rect.Height),
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Color.Red*((100.0f-OxygenPercentage)/400.0f), true);
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spriteBatch.DrawString(GUI.Font, "Pressure: " + ((int)pressure - rect.Y).ToString() +
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" - Oxygen: " + ((int)OxygenPercentage), new Vector2(drawRect.X + 10, -drawRect.Y + 10), Color.Black);
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spriteBatch.DrawString(GUI.Font, volume + " / " + FullVolume, new Vector2(drawRect.X + 10, -drawRect.Y + 30), Color.Black);
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if ((isSelected || isHighlighted) && editing)
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{
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GUI.DrawRectangle(spriteBatch,
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new Vector2(drawRect.X + 5, -drawRect.Y + 5),
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new Vector2(rect.Width - 10, rect.Height - 10),
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isHighlighted ? Color.LightBlue*0.5f : Color.Red*0.5f, true);
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}
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}
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public void Render(GraphicsDevice graphicsDevice, Camera cam)
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{
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if (renderer.PositionInBuffer > renderer.vertices.Length - 6) return;
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//calculate where the surface should be based on the water volume
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float top = rect.Y+Submarine.DrawPosition.Y;
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float bottom = top - rect.Height;
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float surfaceY = bottom + Volume / rect.Width;
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//interpolate the position of the rendered surface towards the "target surface"
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surface = surface + ((surfaceY - Submarine.DrawPosition.Y) - surface) / 10.0f;
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float drawSurface = surface + Submarine.DrawPosition.Y;
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Matrix transform = cam.Transform * Matrix.CreateOrthographic(GameMain.GraphicsWidth, GameMain.GraphicsHeight, -1, 1) * 0.5f;
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if (bottom > cam.WorldView.Y || top < cam.WorldView.Y - cam.WorldView.Height) return;
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if (!update)
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{
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// create the four corners of our triangle.
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Vector3[] corners = new Vector3[4];
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corners[0] = new Vector3(rect.X, rect.Y, 0.0f);
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corners[1] = new Vector3(rect.X + rect.Width, rect.Y, 0.0f);
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corners[2] = new Vector3(corners[1].X, rect.Y-rect.Height, 0.0f);
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corners[3] = new Vector3(corners[0].X, corners[2].Y, 0.0f);
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Vector2[] uvCoords = new Vector2[4];
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for (int i = 0; i < 4; i++ )
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{
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corners[i] += new Vector3(Submarine.DrawPosition, 0.0f);
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uvCoords[i] = Vector2.Transform(new Vector2(corners[i].X, -corners[i].Y), transform);
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}
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renderer.vertices[renderer.PositionInBuffer] = new VertexPositionTexture(corners[0], uvCoords[0]);
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renderer.vertices[renderer.PositionInBuffer + 1] = new VertexPositionTexture(corners[1], uvCoords[1]);
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renderer.vertices[renderer.PositionInBuffer + 2] = new VertexPositionTexture(corners[2], uvCoords[2]);
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renderer.vertices[renderer.PositionInBuffer + 3] = new VertexPositionTexture(corners[0], uvCoords[0]);
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renderer.vertices[renderer.PositionInBuffer + 4] = new VertexPositionTexture(corners[2], uvCoords[2]);
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renderer.vertices[renderer.PositionInBuffer + 5] = new VertexPositionTexture(corners[3], uvCoords[3]);
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renderer.PositionInBuffer += 6;
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return;
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}
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float x = rect.X + Submarine.DrawPosition.X;
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int start = (int)Math.Floor((cam.WorldView.X - x) / WaveWidth);
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start = Math.Max(start, 0);
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int end = (waveY.Length - 1)
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- (int)Math.Floor((float)((x + rect.Width) - (cam.WorldView.X + cam.WorldView.Width)) / WaveWidth);
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end = Math.Min(end, waveY.Length - 1);
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x += start * WaveWidth;
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for (int i = start; i < end; i++)
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{
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if (renderer.PositionInBuffer > renderer.vertices.Length - 6) return;
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Vector3[] corners = new Vector3[4];
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corners[0] = new Vector3(x, top, 0.0f);
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corners[3] = new Vector3(corners[0].X, drawSurface + waveY[i], 0.0f);
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//skip adjacent "water rects" if the surface of the water is roughly at the same position
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int width = WaveWidth;
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while (i < end - 1 && Math.Abs(waveY[i + 1] - waveY[i]) < 1.0f)
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{
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width += WaveWidth;
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i++;
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}
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corners[1] = new Vector3(x + width, top, 0.0f);
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corners[2] = new Vector3(corners[1].X, drawSurface + waveY[i + 1], 0.0f);
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Vector2[] uvCoords = new Vector2[4];
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for (int n = 0; n < 4; n++)
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{
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uvCoords[n] = Vector2.Transform(new Vector2(corners[n].X, -corners[n].Y), transform);
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}
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renderer.vertices[renderer.PositionInBuffer] = new VertexPositionTexture(corners[0], uvCoords[0]);
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renderer.vertices[renderer.PositionInBuffer + 1] = new VertexPositionTexture(corners[1], uvCoords[1]);
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renderer.vertices[renderer.PositionInBuffer + 2] = new VertexPositionTexture(corners[2], uvCoords[2]);
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renderer.vertices[renderer.PositionInBuffer + 3] = new VertexPositionTexture(corners[0], uvCoords[0]);
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renderer.vertices[renderer.PositionInBuffer + 4] = new VertexPositionTexture(corners[2], uvCoords[2]);
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renderer.vertices[renderer.PositionInBuffer + 5] = new VertexPositionTexture(corners[3], uvCoords[3]);
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renderer.PositionInBuffer += 6;
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x += width;
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}
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}
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//returns the water block which contains the point (or null if it isn't inside any)
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public static Hull FindHull(Vector2 position, Hull guess = null, bool useWorldCoordinates = true)
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{
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return FindHull(position, hullList, guess, useWorldCoordinates);
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}
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public static Hull FindHull(Vector2 position, List<Hull> hulls, Hull guess = null, bool useWorldCoordinates = true)
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{
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if (guess != null && hulls.Contains(guess))
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{
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if (Submarine.RectContains(useWorldCoordinates ? guess.WorldRect : guess.rect, position)) return guess;
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}
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foreach (Hull hull in hulls)
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{
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if (Submarine.RectContains(useWorldCoordinates ? hull.WorldRect : hull.rect, position)) return hull;
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}
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return null;
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}
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public List<Gap> FindGaps()
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{
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List<Gap> gaps = new List<Gap>();
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foreach (Gap gap in Gap.GapList)
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{
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if (gap.Open < 0.01f) continue;
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if (gap.linkedTo.Count == 0) continue;
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var gapHull = gap.linkedTo[0] as Hull;
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if (gapHull == this) gaps.Add(gap);
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if (gap.linkedTo.Count < 2) continue;
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gapHull = gap.linkedTo[1] as Hull;
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if (gapHull == this) gaps.Add(gap);
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}
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return gaps;
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}
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public override XElement Save(XDocument doc)
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{
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XElement element = new XElement("Hull");
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element.Add
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(
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new XAttribute("ID", ID),
|
|
new XAttribute("rect",
|
|
(int)(rect.X - Submarine.HiddenSubPosition.X) + "," +
|
|
(int)(rect.Y - Submarine.HiddenSubPosition.Y) + "," +
|
|
rect.Width + "," + rect.Height),
|
|
new XAttribute("water", volume)
|
|
);
|
|
|
|
doc.Root.Add(element);
|
|
|
|
return element;
|
|
}
|
|
|
|
public static void Load(XElement element, Submarine submarine)
|
|
{
|
|
Rectangle rect = Rectangle.Empty;
|
|
|
|
if (element.Attribute("rect") != null)
|
|
{
|
|
string rectString = ToolBox.GetAttributeString(element, "rect", "0,0,0,0");
|
|
string[] rectValues = rectString.Split(',');
|
|
|
|
rect = new Rectangle(
|
|
int.Parse(rectValues[0]),
|
|
int.Parse(rectValues[1]),
|
|
int.Parse(rectValues[2]),
|
|
int.Parse(rectValues[3]));
|
|
}
|
|
else
|
|
{
|
|
rect = new Rectangle(
|
|
int.Parse(element.Attribute("x").Value),
|
|
int.Parse(element.Attribute("y").Value),
|
|
int.Parse(element.Attribute("width").Value),
|
|
int.Parse(element.Attribute("height").Value));
|
|
}
|
|
|
|
Hull h = new Hull(rect, submarine);
|
|
|
|
h.volume = ToolBox.GetAttributeFloat(element, "pressure", 0.0f);
|
|
|
|
h.ID = (ushort)int.Parse(element.Attribute("ID").Value);
|
|
}
|
|
|
|
public override bool FillNetworkData(Networking.NetworkEventType type, NetBuffer message, object data)
|
|
{
|
|
message.WriteRangedSingle(MathHelper.Clamp(volume/FullVolume, 0.0f, 1.5f), 0.0f, 1.5f, 6);
|
|
|
|
message.Write((byte)fireSources.Count, 4);
|
|
foreach (FireSource fireSource in fireSources)
|
|
{
|
|
Vector2 normalizedPos = new Vector2(
|
|
(fireSource.Position.X - rect.X) / rect.Width,
|
|
(fireSource.Position.Y - (rect.Y - rect.Height))/rect.Height);
|
|
message.WriteRangedSingle(MathHelper.Clamp(normalizedPos.X, 0.0f, 1.0f), 0.0f, 1.0f, 4);
|
|
message.WriteRangedSingle(MathHelper.Clamp(normalizedPos.Y, 0.0f, 1.0f), 0.0f, 1.0f, 4);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public override void ReadNetworkData(Networking.NetworkEventType type, Lidgren.Network.NetIncomingMessage message, float sendingTime, out object data)
|
|
{
|
|
data = null;
|
|
|
|
float newVolume = this.volume;
|
|
|
|
try
|
|
{
|
|
float newPercentage = message.ReadRangedSingle(0.0f, 1.5f, 6);
|
|
newVolume = newPercentage * FullVolume;
|
|
}
|
|
|
|
catch
|
|
{
|
|
return;
|
|
}
|
|
|
|
Volume = newVolume;
|
|
|
|
int fireSourceCount = message.ReadByte(4);
|
|
|
|
List<FireSource> newFireSources = new List<FireSource>();
|
|
for (int i = 0; i < fireSourceCount; i++)
|
|
{
|
|
Vector2 pos = Vector2.Zero;
|
|
pos.X = message.ReadRangedSingle(0.0f, 1.0f, 4);
|
|
pos.Y = message.ReadRangedSingle(0.0f, 1.0f, 4);
|
|
if (!MathUtils.IsValid(pos)) continue;
|
|
|
|
pos.X = MathHelper.Clamp(pos.X, 0.05f, 0.95f);
|
|
pos.Y = MathHelper.Clamp(pos.Y, 0.05f, 0.95f);
|
|
|
|
pos = new Vector2(rect.X + rect.Width * pos.X, rect.Y - rect.Height + (rect.Height * pos.Y));
|
|
|
|
var existingFire = fireSources.Find(fs => fs.Contains(pos));
|
|
if (existingFire!=null)
|
|
{
|
|
newFireSources.Add(existingFire);
|
|
existingFire.Position = pos;
|
|
}
|
|
else
|
|
{
|
|
var newFire = new FireSource(pos, this, true);
|
|
|
|
//ignore if the fire wasn't added to this room (invalid position)?
|
|
if (!fireSources.Contains(newFire)) continue;
|
|
newFireSources.Add(newFire);
|
|
}
|
|
}
|
|
|
|
var toBeRemoved = fireSources.FindAll(fs => !newFireSources.Contains(fs));
|
|
for (int i = toBeRemoved.Count - 1; i >= 0; i--)
|
|
{
|
|
toBeRemoved[i].Remove(true);
|
|
}
|
|
fireSources = newFireSources;
|
|
}
|
|
|
|
|
|
}
|
|
}
|