354 lines
12 KiB
C#
354 lines
12 KiB
C#
using Barotrauma.Networking;
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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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#if CLIENT
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using Barotrauma.Sounds;
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using Barotrauma.Lights;
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using Barotrauma.Particles;
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#endif
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namespace Barotrauma
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{
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partial class FireSource
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{
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const float OxygenConsumption = 50.0f;
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const float GrowSpeed = 5.0f;
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private Hull hull;
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private Vector2 position;
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private Vector2 size;
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private Entity Submarine;
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private bool removed;
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#if CLIENT
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private List<Decal> burnDecals = new List<Decal>();
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#endif
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public Vector2 Position
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{
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get { return position; }
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set
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{
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if (!MathUtils.IsValid(value)) return;
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position = value;
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}
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}
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public Vector2 WorldPosition
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{
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get { return Submarine == null ? position : Submarine.Position + position; }
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}
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public Vector2 Size
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{
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get { return size; }
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set
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{
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if (value == size) return;
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Vector2 sizeChange = value - size;
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size = value;
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position.X -= sizeChange.X * 0.5f;
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LimitSize();
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}
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}
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public float DamageRange
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{
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get { return (float)Math.Sqrt(size.X) * 20.0f; }
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}
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public Hull Hull
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{
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get { return hull; }
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}
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public FireSource(Vector2 worldPosition, Hull spawningHull = null, bool isNetworkMessage = false)
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{
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hull = Hull.FindHull(worldPosition, spawningHull);
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if (hull == null || worldPosition.Y < hull.WorldSurface) return;
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#if CLIENT
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if (!isNetworkMessage && GameMain.Client != null) return;
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#endif
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hull.AddFireSource(this);
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position = worldPosition - new Vector2(-5.0f, 5.0f);
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if (hull.Submarine != null)
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{
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Submarine = hull.Submarine;
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position -= Submarine.Position;
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}
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#if CLIENT
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lightSource = new LightSource(this.position, 50.0f, new Color(1.0f, 0.9f, 0.7f), hull?.Submarine);
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#endif
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size = new Vector2(10.0f, 10.0f);
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}
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private void LimitSize()
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{
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if (hull == null) return;
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position.X = Math.Max(hull.Rect.X, position.X);
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position.Y = Math.Min(hull.Rect.Y, position.Y);
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size.X = Math.Min(hull.Rect.Width - (position.X - hull.Rect.X), size.X);
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size.Y = Math.Min(hull.Rect.Height - (hull.Rect.Y - position.Y), size.Y);
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}
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public static void UpdateAll(List<FireSource> fireSources, float deltaTime)
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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].Update(deltaTime);
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}
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//combine overlapping fires
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for (int i = fireSources.Count - 1; i >= 0; i--)
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{
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for (int j = i - 1; j >= 0; j--)
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{
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i = Math.Min(i, fireSources.Count - 1);
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j = Math.Min(j, i - 1);
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if (!fireSources[i].CheckOverLap(fireSources[j])) continue;
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float leftEdge = Math.Min(fireSources[i].position.X, fireSources[j].position.X);
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fireSources[j].size.X =
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Math.Max(fireSources[i].position.X + fireSources[i].size.X, fireSources[j].position.X + fireSources[j].size.X)
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- leftEdge;
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fireSources[j].position.X = leftEdge;
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#if CLIENT
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fireSources[j].burnDecals.AddRange(fireSources[i].burnDecals);
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fireSources[j].burnDecals.Sort((d1, d2) => { return Math.Sign(d1.WorldPosition.X - d2.WorldPosition.X); });
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#endif
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fireSources[i].Remove();
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}
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}
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}
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private bool CheckOverLap(FireSource fireSource)
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{
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return !(position.X > fireSource.position.X + fireSource.size.X ||
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position.X + size.X < fireSource.position.X);
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}
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public void Update(float deltaTime)
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{
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//the firesource will start to shrink if oxygen percentage is below 10
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float growModifier = Math.Min((hull.OxygenPercentage / 10.0f) - 1.0f, 1.0f);
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DamageCharacters(deltaTime);
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DamageItems(deltaTime);
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if (hull.WaterVolume > 0.0f)
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{
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HullWaterExtinguish(deltaTime);
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if (removed) { return; }
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}
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hull.Oxygen -= size.X * deltaTime * OxygenConsumption;
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position.X -= GrowSpeed * growModifier * 0.5f * deltaTime;
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size.X += GrowSpeed * growModifier * deltaTime;
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size.Y = MathHelper.Clamp(size.Y + GrowSpeed * growModifier * deltaTime, 10.0f, 50.0f);
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if (size.X > 50.0f)
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{
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this.position.Y = MathHelper.Lerp(this.position.Y, hull.Rect.Y - hull.Rect.Height + size.Y, deltaTime);
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}
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LimitSize();
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UpdateProjSpecific(growModifier);
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if (size.X < 1.0f && (GameMain.NetworkMember == null || GameMain.NetworkMember.IsServer))
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{
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Remove();
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}
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}
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partial void UpdateProjSpecific(float growModifier);
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private void OnChangeHull(Vector2 pos, Hull particleHull)
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{
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if (particleHull == hull || particleHull == null) return;
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//hull already has a firesource roughly at the particles position -> don't create a new one
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if (particleHull.FireSources.Find(fs => pos.X > fs.position.X - 100.0f && pos.X < fs.position.X + fs.size.X + 100.0f) != null) return;
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new FireSource(new Vector2(pos.X, particleHull.WorldRect.Y - particleHull.Rect.Height + 5.0f));
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}
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private void DamageCharacters(float deltaTime)
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{
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if (size.X <= 0.0f) return;
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for (int i = 0; i < Character.CharacterList.Count; i++)
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{
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Character c = Character.CharacterList[i];
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if (c.AnimController.CurrentHull == null || c.IsDead) continue;
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if (!IsInDamageRange(c, DamageRange)) continue;
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float dmg = (float)Math.Sqrt(size.X) * deltaTime / c.AnimController.Limbs.Length;
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foreach (Limb limb in c.AnimController.Limbs)
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{
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c.LastDamageSource = null;
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c.DamageLimb(WorldPosition, limb, new List<Affliction>() { AfflictionPrefab.Burn.Instantiate(dmg) }, 0.0f, false, 0.0f);
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}
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c.ApplyStatusEffects(ActionType.OnFire, deltaTime);
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}
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}
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public bool IsInDamageRange(Character c, float damageRange)
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{
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if (c.Position.X < position.X - damageRange || c.Position.X > position.X + size.X + damageRange) return false;
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if (c.Position.Y < position.Y - size.Y || c.Position.Y > hull.Rect.Y) return false;
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return true;
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}
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public bool IsInDamageRange(Vector2 worldPosition, float damageRange)
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{
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if (worldPosition.X < WorldPosition.X - damageRange || worldPosition.X > WorldPosition.X + size.X + damageRange) return false;
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if (worldPosition.Y < WorldPosition.Y - size.Y || worldPosition.Y > hull.WorldRect.Y) return false;
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return true;
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}
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private void DamageItems(float deltaTime)
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{
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if (size.X <= 0.0f) return;
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#if CLIENT
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if (GameMain.Client != null) return;
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#endif
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foreach (Item item in Item.ItemList)
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{
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if (item.CurrentHull != hull || item.FireProof || item.Condition <= 0.0f) continue;
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//don't apply OnFire effects if the item is inside a fireproof container
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//(or if it's inside a container that's inside a fireproof container, etc)
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Item container = item.Container;
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while (container != null)
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{
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if (container.FireProof) return;
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container = container.Container;
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}
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float range = (float)Math.Sqrt(size.X) * 10.0f;
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if (item.Position.X < position.X - range || item.Position.X > position.X + size.X + range) continue;
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if (item.Position.Y < position.Y - size.Y || item.Position.Y > hull.Rect.Y) continue;
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item.ApplyStatusEffects(ActionType.OnFire, deltaTime);
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if (item.Condition <= 0.0f && GameMain.NetworkMember != null && GameMain.NetworkMember.IsServer)
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{
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GameMain.NetworkMember.CreateEntityEvent(item, new object[] { NetEntityEvent.Type.ApplyStatusEffect, ActionType.OnFire });
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}
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}
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}
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private void HullWaterExtinguish(float deltaTime)
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{
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//the higher the surface of the water is relative to the firesource, the faster it puts out the fire
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float extinguishAmount = (hull.Surface - (position.Y - size.Y)) * deltaTime;
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if (extinguishAmount < 0.0f) return;
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#if CLIENT
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float steamCount = Rand.Range(-5.0f, Math.Min(extinguishAmount * 100.0f, 10));
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for (int i = 0; i < steamCount; i++)
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{
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Vector2 spawnPos = new Vector2(
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WorldPosition.X + Rand.Range(0.0f, size.X),
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WorldPosition.Y + 10.0f);
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Vector2 speed = new Vector2((spawnPos.X - (WorldPosition.X + size.X / 2.0f)), (float)Math.Sqrt(size.X) * Rand.Range(20.0f, 25.0f));
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var particle = GameMain.ParticleManager.CreateParticle("steam",
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spawnPos, speed, 0.0f, hull);
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}
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#endif
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extinguishAmount = Math.Min(size.X, extinguishAmount);
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position.X += extinguishAmount / 2.0f;
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size.X -= extinguishAmount;
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//evaporate some of the water
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hull.WaterVolume -= extinguishAmount;
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if (size.X < 1.0f && (GameMain.NetworkMember == null || GameMain.NetworkMember.IsServer))
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{
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Remove();
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}
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}
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public void Extinguish(float deltaTime, float amount)
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{
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float extinguishAmount = amount * deltaTime;
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#if CLIENT
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float steamCount = Rand.Range(-5.0f, (float)Math.Sqrt(amount));
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for (int i = 0; i < steamCount; i++)
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{
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Vector2 spawnPos = new Vector2(Rand.Range(position.X, position.X + size.X), Rand.Range(position.Y - size.Y, position.Y) + 10.0f);
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Vector2 speed = new Vector2((spawnPos.X - (position.X + size.X / 2.0f)), (float)Math.Sqrt(size.X) * Rand.Range(20.0f, 25.0f));
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var particle = GameMain.ParticleManager.CreateParticle("steam",
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spawnPos, speed, 0.0f, hull);
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}
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#endif
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extinguishAmount = Math.Min(size.X, extinguishAmount);
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position.X += extinguishAmount / 2.0f;
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size.X -= extinguishAmount;
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hull.WaterVolume -= extinguishAmount;
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if (size.X < 1.0f && (GameMain.NetworkMember == null || GameMain.NetworkMember.IsServer))
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{
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Remove();
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}
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}
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public void Extinguish(float deltaTime, float amount, Vector2 worldPosition)
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{
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if (IsInDamageRange(worldPosition, 100.0f))
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{
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Extinguish(deltaTime, amount);
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}
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}
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public void Remove()
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{
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#if CLIENT
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lightSource?.Remove();
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lightSource = null;
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foreach (Decal d in burnDecals)
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{
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d.StopFadeIn();
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}
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#endif
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hull?.RemoveFire(this);
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removed = true;
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}
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}
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}
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