(61d00a474) v0.9.7.1
This commit is contained in:
Regalis
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using FarseerPhysics;
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using Microsoft.Xna.Framework;
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using System;
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using System.Collections.Generic;
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using System.Xml.Linq;
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namespace Barotrauma.Particles
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{
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class ParticlePrefab : IPrefab, IDisposable, ISerializableEntity
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{
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public enum DrawTargetType { Air = 1, Water = 2, Both = 3 }
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public readonly List<Sprite> Sprites;
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public void Dispose()
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{
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GameMain.ParticleManager?.RemoveByPrefab(this);
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foreach (Sprite spr in Sprites)
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{
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spr.Remove();
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}
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Sprites.Clear();
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}
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public string Name
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{
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get;
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private set;
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}
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public string FilePath
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{
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get;
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private set;
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}
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public string OriginalName { get { return Name; } }
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public string Identifier { get { return Name; } }
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public ContentPackage ContentPackage
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{
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get;
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private set;
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}
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public string DisplayName
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{
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get;
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private set;
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}
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[Editable(0.0f, float.MaxValue), Serialize(5.0f, false, description: "How many seconds the particle remains alive.")]
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public float LifeTime { get; private set; }
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[Editable, Serialize(0.0f, false, description: "How long it takes for the particle to appear after spawning it.")]
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public float StartDelayMin { get; private set; }
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[Editable, Serialize(0.0f, false, description: "How long it takes for the particle to appear after spawning it.")]
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public float StartDelayMax { get; private set; }
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//movement -----------------------------------------
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private float angularVelocityMin;
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public float AngularVelocityMinRad { get; private set; }
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[Editable, Serialize(0.0f, false)]
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public float AngularVelocityMin
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{
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get { return angularVelocityMin; }
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private set
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{
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angularVelocityMin = value;
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AngularVelocityMinRad = MathHelper.ToRadians(value);
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}
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}
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private float angularVelocityMax;
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public float AngularVelocityMaxRad { get; private set; }
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[Editable, Serialize(0.0f, false)]
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public float AngularVelocityMax
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{
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get { return angularVelocityMax; }
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private set
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{
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angularVelocityMax = value;
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AngularVelocityMaxRad = MathHelper.ToRadians(value);
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}
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}
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private float startRotationMin;
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public float StartRotationMinRad { get; private set; }
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[Editable, Serialize(0.0f, false, description: "The minimum initial rotation of the particle (in degrees).")]
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public float StartRotationMin
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{
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get { return startRotationMin; }
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private set
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{
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startRotationMin = value;
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StartRotationMinRad = MathHelper.ToRadians(value);
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}
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}
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private float startRotationMax;
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public float StartRotationMaxRad { get; private set; }
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[Editable, Serialize(0.0f, false, description: "The maximum initial rotation of the particle (in degrees).")]
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public float StartRotationMax
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{
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get { return startRotationMax; }
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private set
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{
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startRotationMax = value;
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StartRotationMaxRad = MathHelper.ToRadians(value);
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}
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}
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[Editable, Serialize(false, false, description: "Should the particle face the direction it's moving towards.")]
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public bool RotateToDirection { get; private set; }
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[Editable, Serialize(0.0f, false, description: "Drag applied to the particle when it's moving through air.")]
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public float Drag { get; private set; }
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[Editable, Serialize(0.0f, false, description: "Drag applied to the particle when it's moving through water.")]
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public float WaterDrag { get; private set; }
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private Vector2 velocityChange;
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public Vector2 VelocityChangeDisplay { get; private set; }
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[Editable, Serialize("0.0,0.0", false, description: "How much the velocity of the particle changes per second.")]
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public Vector2 VelocityChange
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{
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get { return velocityChange; }
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private set
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{
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velocityChange = value;
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VelocityChangeDisplay = ConvertUnits.ToDisplayUnits(value);
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}
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}
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private Vector2 velocityChangeWater;
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public Vector2 VelocityChangeWaterDisplay { get; private set; }
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[Editable, Serialize("0.0,0.0", false, description: "How much the velocity of the particle changes per second when in water.")]
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public Vector2 VelocityChangeWater
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{
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get { return velocityChangeWater; }
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private set
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{
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velocityChangeWater = value;
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VelocityChangeWaterDisplay = ConvertUnits.ToDisplayUnits(value);
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}
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}
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[Editable(0.0f, 10000.0f), Serialize(0.0f, false, description: "Radius of the particle's collider. Only has an effect if UseCollision is set to true.")]
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public float CollisionRadius { get; private set; }
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[Editable, Serialize(false, false, description: "Does the particle collide with the walls of the submarine and the level.")]
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public bool UseCollision { get; private set; }
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[Editable, Serialize(false, false, description: "Does the particle disappear when it collides with something.")]
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public bool DeleteOnCollision { get; private set; }
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[Editable(0.0f, 1.0f), Serialize(0.5f, false, description: "The friction coefficient of the particle, i.e. how much it slows down when it's sliding against a surface.")]
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public float Friction { get; private set; }
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[Editable(0.0f, 1.0f)]
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[Serialize(0.5f, false, description: "How much of the particle's velocity is conserved when it collides with something, i.e. the \"bounciness\" of the particle. (1.0 = the particle stops completely).")]
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public float Restitution { get; private set; }
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//size -----------------------------------------
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[Editable, Serialize("1.0,1.0", false, description: "The minimum initial size of the particle.")]
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public Vector2 StartSizeMin { get; private set; }
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[Editable, Serialize("1.0,1.0", false, description: "The maximum initial size of the particle.")]
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public Vector2 StartSizeMax { get; private set; }
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[Editable]
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[Serialize("0.0,0.0", false, description: "How much the size of the particle changes per second. The rate of growth for each particle is randomize between SizeChangeMin and SizeChangeMax.")]
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public Vector2 SizeChangeMin { get; private set; }
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[Editable]
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[Serialize("0.0,0.0", false, description: "How much the size of the particle changes per second. The rate of growth for each particle is randomize between SizeChangeMin and SizeChangeMax.")]
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public Vector2 SizeChangeMax { get; private set; }
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[Editable]
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[Serialize(0.0f, false, description: "How many seconds it takes for the particle to grow to it's initial size.")]
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public float GrowTime { get; private set; }
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//rendering -----------------------------------------
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[Editable, Serialize("1.0,1.0,1.0,1.0", false, description: "The initial color of the particle.")]
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public Color StartColor { get; private set; }
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[Editable, Serialize("1.0,1.0,1.0,1.0", false, description: "The color of the particle at the end of its lifetime.")]
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public Color EndColor { get; private set; }
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[Editable, Serialize(DrawTargetType.Air, false, description: "Should the particle be rendered in air, water or both.")]
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public DrawTargetType DrawTarget { get; private set; }
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[Editable, Serialize(ParticleBlendState.AlphaBlend, false, description: "The type of blending to use when rendering the particle.")]
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public ParticleBlendState BlendState { get; private set; }
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//animation -----------------------------------------
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[Editable(0.0f, float.MaxValue), Serialize(1.0f, false, description: "The duration of the particle's animation cycle (if it's animated).")]
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public float AnimDuration { get; private set; }
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[Editable, Serialize(true, false, description: "Should the sprite animation be looped, or stay at the last frame when the animation finishes.")]
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public bool LoopAnim { get; private set; }
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//----------------------------------------------------
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public readonly List<ParticleEmitterPrefab> SubEmitters = new List<ParticleEmitterPrefab>();
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public Dictionary<string, SerializableProperty> SerializableProperties
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{
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get;
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private set;
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}
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//----------------------------------------------------
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public ParticlePrefab(XElement element, ContentFile file)
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{
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Name = element.Name.ToString();
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FilePath = file.Path;
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ContentPackage = file.ContentPackage;
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DisplayName = TextManager.Get("particle." + Name, true) ?? Name;
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Sprites = new List<Sprite>();
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SerializableProperties = SerializableProperty.DeserializeProperties(this, element);
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foreach (XElement subElement in element.Elements())
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{
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switch (subElement.Name.ToString().ToLowerInvariant())
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{
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case "sprite":
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Sprites.Add(new Sprite(subElement));
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break;
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case "spritesheet":
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case "animatedsprite":
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Sprites.Add(new SpriteSheet(subElement));
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break;
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case "particleemitter":
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case "emitter":
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case "subemitter":
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SubEmitters.Add(new ParticleEmitterPrefab(subElement));
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break;
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}
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}
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//if velocity change in water is not given, it defaults to the normal velocity change
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if (element.Attribute("velocitychangewater") == null)
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{
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VelocityChangeWater = VelocityChange;
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}
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if (element.Attribute("angularvelocity") != null)
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{
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AngularVelocityMin = element.GetAttributeFloat("angularvelocity", 0.0f);
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AngularVelocityMax = AngularVelocityMin;
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}
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if (element.Attribute("startsize") != null)
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{
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StartSizeMin = element.GetAttributeVector2("startsize", Vector2.One);
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StartSizeMax = StartSizeMin;
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}
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if (element.Attribute("sizechange") != null)
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{
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SizeChangeMin = element.GetAttributeVector2("sizechange", Vector2.Zero);
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SizeChangeMax = SizeChangeMin;
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}
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if (element.Attribute("startrotation") != null)
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{
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StartRotationMin = element.GetAttributeFloat("startrotation", 0.0f);
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StartRotationMax = StartRotationMin;
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}
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if (CollisionRadius <= 0.0f) CollisionRadius = Sprites.Count > 0 ? 1 : Sprites[0].SourceRect.Width / 2.0f;
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}
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public Vector2 CalculateEndPosition(Vector2 startPosition, Vector2 velocity)
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{
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//endPos = x + vt + 1/2 * at^2
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return startPosition + velocity * LifeTime + 0.5f * VelocityChangeDisplay * LifeTime * LifeTime;
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}
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}
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}
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