9fed308705
Now only used in character position syncing, but some other entities may also have an use for it (e.g. discarding outdated data)
449 lines
16 KiB
C#
449 lines
16 KiB
C#
using FarseerPhysics;
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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 System.Xml.Linq;
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using Voronoi2;
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namespace Barotrauma.Items.Components
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{
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class Radar : Powered
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{
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private float range;
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private float pingState;
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private readonly Sprite pingCircle, screenOverlay;
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private GUITickBox isActiveTickBox;
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private List<RadarBlip> radarBlips;
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private float prevPingRadius;
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public static string StartMarker = "Start";
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public static string EndMarker = "End";
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[HasDefaultValue(10000.0f, false)]
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public float Range
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{
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get { return range; }
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set { range = MathHelper.Clamp(value, 0.0f, 100000.0f); }
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}
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[HasDefaultValue(false, false)]
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public bool DetectSubmarineWalls
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{
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get;
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set;
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}
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public Radar(Item item, XElement element)
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: base(item, element)
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{
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radarBlips = new List<RadarBlip>();
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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 "pingcircle":
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pingCircle = new Sprite(subElement);
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break;
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case "screenoverlay":
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screenOverlay = new Sprite(subElement);
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break;
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}
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}
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isActiveTickBox = new GUITickBox(new Rectangle(0, 0, 20, 20), "Sonar", Alignment.TopLeft, GuiFrame);
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isActiveTickBox.OnSelected = (GUITickBox box) =>
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{
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IsActive = box.Selected;
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return true;
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};
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}
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public override void Update(float deltaTime, Camera cam)
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{
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currPowerConsumption = powerConsumption;
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base.Update(deltaTime, cam);
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for (int i = radarBlips.Count - 1; i >= 0; i-- )
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{
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radarBlips[i].FadeTimer -= deltaTime*0.5f;
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if (radarBlips[i].FadeTimer <= 0.0f) radarBlips.RemoveAt(i);
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}
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if (voltage >= minVoltage || powerConsumption <= 0.0f)
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{
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pingState = pingState + deltaTime * 0.5f;
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if (pingState>1.0f)
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{
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item.Use(deltaTime);
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pingState = 0.0f;
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}
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if (item.CurrentHull != null) item.CurrentHull.AiTarget.SoundRange = Math.Max(Range * pingState, item.CurrentHull.AiTarget.SoundRange);
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}
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else
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{
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pingState = 0.0f;
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}
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Voltage -= deltaTime;
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}
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public override bool Use(float deltaTime, Character character = null)
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{
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return pingState > 1.0f;
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}
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public override void UpdateHUD(Character character)
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{
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GuiFrame.Update((float)Timing.Step);
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}
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public override void DrawHUD(SpriteBatch spriteBatch, Character character)
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{
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GuiFrame.Draw(spriteBatch);
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if (voltage < minVoltage && powerConsumption > 0.0f) return;
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int radius = GuiFrame.Rect.Height / 2 - 30;
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DrawRadar(spriteBatch, new Rectangle((int)GuiFrame.Center.X - radius, (int)GuiFrame.Center.Y - radius, radius * 2, radius * 2));
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}
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private void DrawRadar(SpriteBatch spriteBatch, Rectangle rect)
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{
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Vector2 center = new Vector2(rect.X + rect.Width*0.5f, rect.Center.Y);
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if (!IsActive) return;
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float pingRadius = (rect.Width / 2.0f) * pingState;
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pingCircle.Draw(spriteBatch, center, Color.White * (1.0f - pingState), 0.0f, (rect.Width / pingCircle.size.X) * pingState);
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float radius = rect.Width / 2.0f;
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float displayScale = radius / range;
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foreach (Submarine submarine in Submarine.Loaded)
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{
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if (item.Submarine == submarine && !DetectSubmarineWalls) continue;
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if (item.Submarine != null && item.Submarine.DockedTo.Contains(submarine)) continue;
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if (submarine.HullVertices == null) continue;
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for (int i = 0; i < submarine.HullVertices.Count; i++)
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{
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Vector2 start = ConvertUnits.ToDisplayUnits(submarine.HullVertices[i]);
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Vector2 end = ConvertUnits.ToDisplayUnits(submarine.HullVertices[(i + 1) % submarine.HullVertices.Count]);
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if (item.Submarine == submarine)
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{
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start += Rand.Vector(500.0f);
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end += Rand.Vector(500.0f);
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}
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CreateBlipsForLine(
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start + submarine.WorldPosition,
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end + submarine.WorldPosition,
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radius, displayScale, 200.0f, 2.0f);
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}
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}
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if (item.Submarine != null && !DetectSubmarineWalls)
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{
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float simScale = displayScale * Physics.DisplayToSimRation;
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foreach (Submarine submarine in Submarine.Loaded)
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{
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if (submarine != item.Submarine && !submarine.DockedTo.Contains(item.Submarine)) continue;
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Vector2 offset = ConvertUnits.ToSimUnits(submarine.WorldPosition - item.WorldPosition);
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for (int i = 0; i < submarine.HullVertices.Count; i++)
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{
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Vector2 start = (submarine.HullVertices[i] + offset) * simScale;
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start.Y = -start.Y;
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Vector2 end = (submarine.HullVertices[(i + 1) % submarine.HullVertices.Count] + offset) * simScale;
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end.Y = -end.Y;
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GUI.DrawLine(spriteBatch, center + start, center + end, Color.Green);
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}
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}
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}
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if (Level.Loaded != null && (item.CurrentHull == null || !DetectSubmarineWalls))
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{
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if (Level.Loaded.Size.Y - item.WorldPosition.Y < range)
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{
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CreateBlipsForLine(
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new Vector2(item.WorldPosition.X - range, Level.Loaded.Size.Y),
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new Vector2(item.WorldPosition.X + range, Level.Loaded.Size.Y),
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radius, displayScale, 500.0f, 10.0f);
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}
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List<VoronoiCell> cells = Level.Loaded.GetCells(item.WorldPosition, 7);
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foreach (VoronoiCell cell in cells)
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{
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foreach (GraphEdge edge in cell.edges)
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{
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if (!edge.isSolid) continue;
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float cellDot = Vector2.Dot(cell.Center - item.WorldPosition, (edge.Center + cell.Translation) - cell.Center);
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if (cellDot > 0) continue;
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float facingDot = Vector2.Dot(
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Vector2.Normalize(edge.point1 - edge.point2),
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Vector2.Normalize(cell.Center - item.WorldPosition));
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CreateBlipsForLine(edge.point1 + cell.Translation, edge.point2 + cell.Translation, radius, displayScale, 350.0f, 3.0f * (Math.Abs(facingDot) + 1.0f));
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}
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}
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foreach (RuinGeneration.Ruin ruin in Level.Loaded.Ruins)
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{
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if (!MathUtils.CircleIntersectsRectangle(item.WorldPosition, range, ruin.Area)) continue;
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foreach (var ruinShape in ruin.RuinShapes)
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{
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foreach (RuinGeneration.Line wall in ruinShape.Walls)
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{
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float cellDot = Vector2.Dot(
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Vector2.Normalize(ruinShape.Center - item.WorldPosition),
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Vector2.Normalize((wall.A+wall.B)/2.0f - ruinShape.Center));
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if (cellDot > 0) continue;
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CreateBlipsForLine(wall.A, wall.B, radius, displayScale, 100.0f, 1000.0f);
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}
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}
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}
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}
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foreach (Character c in Character.CharacterList)
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{
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if (c.AnimController.CurrentHull != null) continue;
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if (DetectSubmarineWalls && c.AnimController.CurrentHull == null && item.CurrentHull != null) continue;
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foreach (Limb limb in c.AnimController.Limbs)
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{
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float pointDist = (limb.WorldPosition - item.WorldPosition).Length() * displayScale;
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if (limb.SimPosition == Vector2.Zero || pointDist > radius) continue;
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if (pointDist > prevPingRadius && pointDist < pingRadius)
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{
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for (int i = 0; i<=limb.Mass/100.0f; i++)
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{
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var blip = new RadarBlip(limb.WorldPosition+Rand.Vector(limb.Mass/10.0f), 1.0f);
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radarBlips.Add(blip);
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}
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}
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}
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}
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foreach (RadarBlip radarBlip in radarBlips)
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{
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DrawBlip(spriteBatch, radarBlip, center, Color.Green * radarBlip.FadeTimer, radius);
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}
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prevPingRadius = pingRadius;
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if (screenOverlay != null)
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{
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screenOverlay.Draw(spriteBatch, center, 0.0f, rect.Width / screenOverlay.size.X);
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}
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//prevPingRadius = pingRadius;
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if (GameMain.GameSession == null) return;
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DrawMarker(spriteBatch,
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(GameMain.GameSession.Map == null) ? StartMarker : GameMain.GameSession.Map.CurrentLocation.Name,
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(Level.Loaded.StartPosition - item.WorldPosition), displayScale, center, (rect.Width * 0.5f));
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DrawMarker(spriteBatch,
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(GameMain.GameSession.Map == null) ? EndMarker : GameMain.GameSession.Map.SelectedLocation.Name,
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(Level.Loaded.EndPosition - item.WorldPosition), displayScale, center, (rect.Width * 0.5f));
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if (GameMain.GameSession.Mission != null)
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{
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var mission = GameMain.GameSession.Mission;
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if (!string.IsNullOrWhiteSpace(mission.RadarLabel) && mission.RadarPosition != Vector2.Zero)
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{
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DrawMarker(spriteBatch,
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mission.RadarLabel,
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mission.RadarPosition - item.WorldPosition, displayScale, center, (rect.Width * 0.55f));
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}
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}
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foreach (Submarine sub in Submarine.Loaded)
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{
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if (!sub.OnRadar) continue;
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if (item.Submarine == sub || sub.DockedTo.Contains(item.Submarine)) continue;
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if (sub.WorldPosition.Y > Level.Loaded.Size.Y) continue;
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DrawMarker(spriteBatch, sub.Name, sub.WorldPosition - item.WorldPosition, displayScale, center, (rect.Width * 0.45f));
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}
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if (!GameMain.DebugDraw) return;
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var steering = item.GetComponent<Steering>();
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if (steering == null || steering.SteeringPath == null) return;
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Vector2 prevPos = Vector2.Zero;
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foreach (WayPoint wp in steering.SteeringPath.Nodes)
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{
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Vector2 pos = (wp.Position - item.WorldPosition) * displayScale;
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if (pos.Length() > radius) continue;
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pos.Y = -pos.Y;
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pos += center;
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GUI.DrawRectangle(spriteBatch, new Rectangle((int)pos.X - 3 / 2, (int)pos.Y - 3, 6, 6), (steering.SteeringPath.CurrentNode == wp) ? Color.LightGreen : Color.Green, false);
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if (prevPos != Vector2.Zero)
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{
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GUI.DrawLine(spriteBatch, pos, prevPos, Color.Green);
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}
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prevPos = pos;
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}
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}
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private void CreateBlipsForLine(Vector2 point1, Vector2 point2, float radius, float displayScale, float lineStep, float zStep)
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{
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float pingRadius = radius * pingState;
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float length = (point1 - point2).Length();
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Vector2 lineDir = (point2 - point1) / length;
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for (float x = 0; x < length; x += lineStep*Rand.Range(0.8f,1.2f))
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{
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Vector2 point = point1 + lineDir * x;
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//point += cell.Translation;
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float pointDist = Vector2.Distance(item.WorldPosition, point) * displayScale;
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if (pointDist > radius) continue;
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if (pointDist < prevPingRadius || pointDist > pingRadius) continue;
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//float step = 3.0f * (Math.Abs(facingDot) + 1.0f);
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float alpha = Rand.Range(1.5f, 2.0f);
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for (float z = 0; z < radius - pointDist; z += zStep)
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{
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var blip = new RadarBlip(
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point + Rand.Vector(150.0f) + Vector2.Normalize(point - item.WorldPosition) * z / displayScale,
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alpha);
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radarBlips.Add(blip);
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zStep += 0.5f;
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alpha -= (z == 0) ? 0.5f : 0.1f;
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}
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}
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}
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private void DrawBlip(SpriteBatch spriteBatch, RadarBlip blip, Vector2 center, Color color, float radius)
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{
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float displayScale = radius / range;
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Vector2 pos = (blip.Position - item.WorldPosition) * displayScale;
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pos.Y = -pos.Y;
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if (pos.Length() > radius)
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{
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blip.FadeTimer = 0.0f;
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return;
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}
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pos.X = MathUtils.Round(pos.X, 4);
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pos.Y = MathUtils.Round(pos.Y, 2);
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GUI.DrawRectangle(spriteBatch, center + pos, new Vector2(4, 2), color, true);
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}
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private void DrawMarker(SpriteBatch spriteBatch, string label, Vector2 position, float scale, Vector2 center, float radius)
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{
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//position += Level.Loaded.Position;
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float dist = position.Length();
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position *= scale;
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position.Y = -position.Y;
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float textAlpha = MathHelper.Clamp(1.5f - dist / 50000.0f, 0.5f, 1.0f);
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Vector2 dir = Vector2.Normalize(position);
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Vector2 markerPos = (dist*scale>radius) ? dir * radius : position;
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markerPos += center;
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markerPos.X = (int)markerPos.X;
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markerPos.Y = (int)markerPos.Y;
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GUI.DrawRectangle(spriteBatch, new Rectangle((int)markerPos.X, (int)markerPos.Y, 5, 5), Color.LightGreen * textAlpha);
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if (dir.X < 0.0f) markerPos.X -= GUI.SmallFont.MeasureString(label).X+10;
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GUI.DrawString(spriteBatch, new Vector2(markerPos.X + 10, markerPos.Y), label, Color.LightGreen * textAlpha, Color.Black * textAlpha*0.5f, 2, GUI.SmallFont);
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GUI.DrawString(spriteBatch, new Vector2(markerPos.X + 10, markerPos.Y + 15), (int)(dist * Physics.DisplayToRealWorldRatio) + " m",
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Color.LightGreen * textAlpha,
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Color.Black * textAlpha, 2, GUI.SmallFont);
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}
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protected override void RemoveComponentSpecific()
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{
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if (pingCircle!=null) pingCircle.Remove();
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if (screenOverlay != null) screenOverlay.Remove();
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}
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public override void ClientWrite(Lidgren.Network.NetOutgoingMessage msg)
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{
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msg.Write(IsActive);
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}
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public override void ServerRead(Lidgren.Network.NetIncomingMessage msg, Barotrauma.Networking.Client c)
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{
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IsActive = msg.ReadBoolean();
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isActiveTickBox.Selected = IsActive;
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}
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public override void ServerWrite(Lidgren.Network.NetOutgoingMessage msg, Barotrauma.Networking.Client c)
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{
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msg.Write(IsActive);
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}
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public override void ClientRead(Lidgren.Network.NetIncomingMessage msg, float sendingTime)
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{
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IsActive = msg.ReadBoolean();
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isActiveTickBox.Selected = IsActive;
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}
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}
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class RadarBlip
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{
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public float FadeTimer;
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public Vector2 Position;
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public RadarBlip(Vector2 pos, float fadeTimer)
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{
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Position = pos;
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FadeTimer = fadeTimer;
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}
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}
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}
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