- multiple submarines can be "merged" into one file (to be used as escape vessels etc)
- WIP docking ports
This commit is contained in:
Regalis
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using FarseerPhysics;
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using FarseerPhysics.Dynamics;
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using FarseerPhysics.Dynamics.Joints;
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using FarseerPhysics.Factories;
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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.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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namespace Barotrauma.Items.Components
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{
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class DockingPort : ItemComponent, IDrawableComponent
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{
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private static List<DockingPort> list = new List<DockingPort>();
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private Sprite overlaySprite;
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private Vector2 distanceTolerance;
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private DockingPort dockingTarget;
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private float dockingState;
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private Joint joint;
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private int dockingDir;
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private Hull[] hulls;
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private Body[] bodies;
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private Gap gap;
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[HasDefaultValue("32.0,32.0", false)]
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public string DistanceTolerance
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{
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get { return ToolBox.Vector2ToString(distanceTolerance); }
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set { distanceTolerance = ToolBox.ParseToVector2(value); }
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}
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[HasDefaultValue(32.0f, false)]
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public float DockedDistance
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{
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get;
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set;
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}
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[HasDefaultValue(true, false)]
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public bool IsHorizontal
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{
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get;
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set;
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}
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public override bool IsActive
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{
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get
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{
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return base.IsActive;
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}
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set
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{
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if (!IsActive && value)
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{
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if (dockingTarget == null) AttemptDock();
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if (dockingTarget == null) return;
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base.IsActive = value;
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}
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else if (IsActive && !value)
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{
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Undock();
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}
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//base.IsActive = value;
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}
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}
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public DockingPort(Item item, XElement element)
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: base(item, element)
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{
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// isOpen = false;
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foreach (XElement subElement in element.Elements())
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{
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string texturePath = ToolBox.GetAttributeString(subElement, "texture", "");
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switch (subElement.Name.ToString().ToLowerInvariant())
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{
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case "sprite":
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overlaySprite = new Sprite(subElement, texturePath.Contains("/") ? "" : Path.GetDirectoryName(item.Prefab.ConfigFile));
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break;
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}
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}
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list.Add(this);
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}
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private void AttemptDock()
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{
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foreach (DockingPort port in list)
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{
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if (port == this || port.item.Submarine == item.Submarine) continue;
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if (Math.Abs(port.item.WorldPosition.X - item.WorldPosition.X) > distanceTolerance.X) continue;
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if (Math.Abs(port.item.WorldPosition.Y - item.WorldPosition.Y) > distanceTolerance.Y) continue;
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Dock(port);
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return;
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}
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}
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private void Dock(DockingPort target)
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{
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if (dockingTarget!=null)
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{
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Undock();
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}
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dockingTarget = target;
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dockingTarget.dockingTarget = this;
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dockingTarget.IsActive = true;
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dockingDir = Math.Sign(dockingTarget.item.WorldPosition.X - item.WorldPosition.X);
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dockingTarget.dockingDir = -dockingDir;
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CreateJoint(false);
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}
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private void CreateJoint(bool useWeldJoint)
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{
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Vector2 offset = (IsHorizontal ?
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Vector2.UnitX * Math.Sign(dockingTarget.item.WorldPosition.X - item.WorldPosition.X) :
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Vector2.UnitY * Math.Sign(dockingTarget.item.WorldPosition.Y - item.WorldPosition.Y));
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offset *= DockedDistance * 0.5f;
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Vector2 pos1 = item.WorldPosition + offset;
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Vector2 pos2 = dockingTarget.item.WorldPosition - offset;
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if (useWeldJoint)
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{
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joint = JointFactory.CreateWeldJoint(GameMain.World,
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item.Submarine.SubBody.Body, dockingTarget.item.Submarine.SubBody.Body,
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ConvertUnits.ToSimUnits(pos1), FarseerPhysics.ConvertUnits.ToSimUnits(pos2), true);
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((WeldJoint)joint).FrequencyHz = 1.0f;
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}
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else
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{
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var distanceJoint = JointFactory.CreateDistanceJoint(GameMain.World,
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item.Submarine.SubBody.Body, dockingTarget.item.Submarine.SubBody.Body,
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ConvertUnits.ToSimUnits(pos1), FarseerPhysics.ConvertUnits.ToSimUnits(pos2), true);
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distanceJoint.Length = 0.01f;
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distanceJoint.Frequency = 1.0f;
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distanceJoint.DampingRatio = 0.8f;
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joint = distanceJoint;
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}
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joint.CollideConnected = true;
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}
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private void CreateHull()
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{
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var hullRects = new Rectangle[] { item.WorldRect, dockingTarget.item.WorldRect };
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var subs = new Submarine[] { item.Submarine, dockingTarget.item.Submarine };
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hulls = new Hull[2];
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bodies = new Body[4];
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if (IsHorizontal)
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{
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if (hullRects[0].Center.X > hullRects[1].Center.X)
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{
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hullRects = new Rectangle[] { dockingTarget.item.WorldRect, item.WorldRect };
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subs = new Submarine[] { dockingTarget.item.Submarine,item.Submarine };
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}
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hullRects[0] = new Rectangle(hullRects[0].Center.X, hullRects[0].Y, ((int)DockedDistance / 2), hullRects[0].Height);
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hullRects[1] = new Rectangle(hullRects[1].Center.X - ((int)DockedDistance / 2), hullRects[1].Y, ((int)DockedDistance / 2), hullRects[1].Height);
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for (int i = 0; i < 2;i++ )
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{
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hullRects[i].Location -= (subs[i].WorldPosition - subs[i].HiddenSubPosition).ToPoint();
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hulls[i] = new Hull(MapEntityPrefab.list.Find(m => m.Name == "Hull"), hullRects[i], subs[i]);
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hulls[i].AddToGrid(subs[i]);
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for (int j = 0; j < 2; j++)
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{
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bodies[i + j * 2] = BodyFactory.CreateEdge(GameMain.World,
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ConvertUnits.ToSimUnits(new Vector2(hullRects[i].X, hullRects[i].Y - hullRects[i].Height * j)),
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ConvertUnits.ToSimUnits(new Vector2(hullRects[i].Right, hullRects[i].Y - hullRects[i].Height * j)));
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//bodies[i + j * 2] = BodyFactory.CreateRectangle(GameMain.World, ConvertUnits.ToSimUnits(hullRects[i].Width), 0.1f, 5.0f);
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//bodies[i + j * 2].SetTransform(ConvertUnits.ToSimUnits(new Vector2(hullRects[i].Center.X, hullRects[i].Y - (hullRects[i].Height+5) * j)), 0.0f);
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}
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}
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gap = new Gap(new Rectangle(hullRects[0].Right-2, hullRects[0].Y, 4, hullRects[0].Height), true, item.Submarine);
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gap.linkedTo.Clear();
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gap.linkedTo.Add(hulls[0]);
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gap.linkedTo.Add(hulls[1]);
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//var hullRect1 = new Rectangle(hullRects.Min(h => h.Center.X), hullRect.Y, ((int)DockedDistance / 2), hullRects[0].Height);
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//var hullRect2 = new Rectangle(hullRects.Max(h => h.Center.X), hullRect.Y, ((int)DockedDistance / 2), hullRects[0].Height);
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//var sub1 = hullRect.Center.X < targetRect.Center.X ? item.Submarine : dockingTarget.item.Submarine;
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//var sub2 = hullRect.Center.X > targetRect.Center.X ? item.Submarine : dockingTarget.item.Submarine;
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// hullRect1.Location -= (sub1.WorldPosition - sub1.HiddenSubPosition).ToPoint();
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//hulls[0] = new Hull(MapEntityPrefab.list.Find(m => m.Name == "Hull"), hullRect1, sub1);
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//hulls[0].AddToGrid(sub1);
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//hullRect2.Location -= (sub2.WorldPosition - sub2.HiddenSubPosition).ToPoint();
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//hulls[1] = new Hull(MapEntityPrefab.list.Find(m => m.Name == "Hull"), hullRect2, sub2);
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//hulls[1].AddToGrid(sub2);
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}
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else
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{
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//hullRect = new Rectangle(hullRect.X,
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// Math.Max(hullRect.Y - hullRect.Height / 2, targetRect.Y - targetRect.Height / 2), hullRect.Width, (int)DockedDistance);
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}
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foreach (Body body in bodies)
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{
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body.BodyType = BodyType.Static;
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body.Friction = 0.5f;
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body.CollisionCategories = Physics.CollisionWall;
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}
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}
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private void Undock()
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{
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if (dockingTarget == null) return;
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dockingTarget.dockingTarget = null;
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dockingTarget.IsActive = false;
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dockingTarget = null;
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GameMain.World.RemoveJoint(joint);
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joint = null;
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hulls[0].Remove();
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hulls[1].Remove();
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gap.Remove();
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gap = null;
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foreach (Body body in bodies)
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{
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GameMain.World.RemoveBody(body);
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}
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bodies = null;
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//foreach (Gap g in hulls[0].ConnectedGaps)
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//{
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// g.Remove();
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//}
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//foreach (Gap g in hulls[1].ConnectedGaps)
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//{
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// g.Remove();
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//}
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hulls = null;
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}
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public override void Update(float deltaTime, Camera cam)
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{
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if (dockingTarget==null)
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{
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dockingState = MathHelper.Lerp(dockingState, 0.0f, deltaTime * 10.0f);
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if (dockingState < 0.01f) base.IsActive = false;
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}
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else
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{
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if (joint is DistanceJoint && Vector2.Distance(joint.WorldAnchorA, joint.WorldAnchorB) < 0.05f)
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{
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GameMain.World.RemoveJoint(joint);
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CreateJoint(true);
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CreateHull();
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}
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dockingState = MathHelper.Lerp(dockingState, 1.0f, deltaTime * 10.0f);
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}
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}
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public void Draw(SpriteBatch spriteBatch, bool editing)
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{
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if (dockingState == 0.0f) return;
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Vector2 drawPos = item.DrawPosition;
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drawPos.Y = -drawPos.Y;
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var rect = overlaySprite.SourceRect;
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drawPos.Y -= rect.Height / 2;
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if (IsHorizontal)
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{
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if (dockingDir == 1)
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{
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spriteBatch.Draw(overlaySprite.Texture,
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drawPos,
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new Rectangle(
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rect.Center.X + (int)(rect.Width / 2 * (1.0f - dockingState)), rect.Y,
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(int)(rect.Width / 2 * dockingState), rect.Height), Color.White);
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}
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else
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{
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spriteBatch.Draw(overlaySprite.Texture,
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drawPos - Vector2.UnitX * (rect.Width / 2 * dockingState),
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new Rectangle(
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rect.X, rect.Y,
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(int)(rect.Width / 2 * dockingState), rect.Height), Color.Red);
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}
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}
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else
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{
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if (dockingDir == 1)
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{
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spriteBatch.Draw(overlaySprite.Texture,
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drawPos,
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new Rectangle(
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rect.X, rect.Y + rect.Height/2 + (int)(rect.Height / 2 * (1.0f - dockingState)),
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rect.Width, (int)(rect.Height / 2 * dockingState)), Color.White);
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}
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else
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{
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spriteBatch.Draw(overlaySprite.Texture,
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drawPos - Vector2.UnitY * (rect.Height / 2 * dockingState),
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new Rectangle(
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rect.X, rect.Y,
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rect.Width, (int)(rect.Height / 2 * dockingState)), Color.Red);
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}
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}
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}
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protected override void RemoveComponentSpecific()
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{
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list.Remove(this);
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}
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}
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}
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