296c5a14ed
- respawn info texts - camera clamped to the the upper edge of the level - fixed submarinebody being generated from all walls (and not just the ones belonging to that specific sub)
464 lines
16 KiB
C#
464 lines
16 KiB
C#
using FarseerPhysics.Common;
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using FarseerPhysics.Common.PolygonManipulation;
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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.Diagnostics;
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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 Voronoi2;
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namespace Barotrauma.RuinGeneration
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{
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abstract class RuinShape
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{
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protected Rectangle rect;
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public Rectangle Rect
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{
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get { return rect; }
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}
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public int DistanceFromEntrance
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{
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get;
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protected set;
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}
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public Vector2 Center
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{
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get { return rect.Center.ToVector2(); }
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}
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public List<Line> Walls;
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public virtual void CreateWalls() { }
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public Alignment GetLineAlignment(Line line)
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{
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if (line.A.Y == line.B.Y)
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{
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if (line.A.Y > rect.Center.Y && line.B.Y > rect.Center.Y)
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{
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return Alignment.Bottom;
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}
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else if (line.A.Y < rect.Center.Y && line.B.Y < rect.Center.Y)
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{
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return Alignment.Top;
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}
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}
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else
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{
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if (line.A.X < rect.Center.X && line.B.X < rect.Center.X)
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{
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return Alignment.Left;
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}
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else if (line.A.X > rect.Center.X && line.B.X > rect.Center.X)
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{
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return Alignment.Right;
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}
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}
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return Alignment.Center;
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}
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/// <summary>
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/// Goes through a list of line segments and "clips off" all parts of the lines that are inside the rectangle
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/// </summary>
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public void SplitLines(Rectangle rectangle)
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{
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List<Line> newLines = new List<Line>();
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foreach (Line line in Walls)
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{
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if (line.A.X == line.B.X) //vertical line
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{
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//line doesn't intersect the rectangle
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if (rectangle.X > line.A.X || rectangle.Right < line.A.X ||
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rectangle.Y > line.B.Y || rectangle.Bottom < line.A.Y)
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{
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newLines.Add(line);
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}
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else if (line.A.Y > rectangle.Y && line.B.Y < rectangle.Bottom)
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{
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continue;
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}
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//point A is within the rectangle -> cut a portion from the top of the line
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else if (line.A.Y >= rectangle.Y && line.A.Y <= rectangle.Bottom)
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{
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newLines.Add(new Line(new Vector2(line.A.X, rectangle.Bottom), line.B, line.Type));
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}
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//point B is within the rectangle -> cut a portion from the bottom of the line
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else if (line.B.Y >= rectangle.Y && line.B.Y <= rectangle.Bottom)
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{
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newLines.Add(new Line(line.A, new Vector2(line.A.X, rectangle.Y), line.Type));
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}
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//rect is in between the lines -> split the line into two
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else
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{
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newLines.Add(new Line(line.A, new Vector2(line.A.X, rectangle.Y), line.Type));
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newLines.Add(new Line(new Vector2(line.A.X, rectangle.Bottom), line.B, line.Type));
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}
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}
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else if (line.A.Y == line.B.Y) //horizontal line
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{
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//line doesn't intersect the rectangle
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if (rectangle.X > line.B.X || rectangle.Right < line.A.X ||
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rectangle.Y > line.A.Y || rectangle.Bottom < line.A.Y)
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{
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newLines.Add(line);
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}
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else if (line.A.X > rectangle.X && line.B.X < rectangle.Right)
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{
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continue;
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}
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//point A is within the rectangle -> cut a portion from the left side of the line
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else if (line.A.X >= rectangle.X && line.A.X <= rectangle.Right)
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{
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newLines.Add(new Line(new Vector2(rectangle.Right, line.A.Y), line.B, line.Type));
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}
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//point B is within the rectangle -> cut a portion from the right side of the line
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else if (line.B.X >= rectangle.X && line.B.X <= rectangle.Right)
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{
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newLines.Add(new Line(line.A, new Vector2(rectangle.X, line.A.Y), line.Type));
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}
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//rect is in between the lines -> split the line into two
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else
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{
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newLines.Add(new Line(line.A, new Vector2(rectangle.X, line.A.Y), line.Type));
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newLines.Add(new Line(new Vector2(rectangle.Right, line.A.Y), line.B, line.Type));
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}
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}
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else
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{
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DebugConsole.ThrowError("Error in StructureGenerator.SplitLines - lines must be axis aligned");
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}
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}
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Walls = newLines;
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}
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}
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struct Line
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{
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public readonly Vector2 A, B;
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public readonly RuinStructureType Type;
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public Line(Vector2 a, Vector2 b, RuinStructureType type)
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{
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Debug.Assert(a.X <= b.X);
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Debug.Assert(a.Y <= b.Y);
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A = a;
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B = b;
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Type = type;
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}
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}
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class Ruin
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{
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private List<BTRoom> rooms;
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private List<Corridor> corridors;
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private List<Line> walls;
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private List<RuinShape> allShapes;
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public List<RuinShape> RuinShapes
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{
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get { return allShapes; }
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}
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public List<Line> Walls
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{
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get { return walls; }
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}
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public Rectangle Area
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{
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get;
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private set;
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}
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public Ruin(VoronoiCell closestPathCell, List<VoronoiCell> caveCells, Rectangle area)
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{
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Area = area;
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corridors = new List<Corridor>();
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rooms = new List<BTRoom>();
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walls = new List<Line>();
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allShapes = new List<RuinShape>();
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Generate(closestPathCell, caveCells, area);
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}
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public void Generate(VoronoiCell closestPathCell, List<VoronoiCell> caveCells, Rectangle area)
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{
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corridors.Clear();
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rooms.Clear();
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//area = new Rectangle(area.X, area.Y - area.Height, area.Width, area.Height);
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int iterations = Rand.Range(3, 4, false);
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float verticalProbability = Rand.Range(0.4f, 0.6f, false);
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BTRoom baseRoom = new BTRoom(area);
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rooms = new List<BTRoom> { baseRoom };
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for (int i = 0; i < iterations; i++)
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{
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rooms.ForEach(l => l.Split(0.3f, verticalProbability, 300));
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rooms = baseRoom.GetLeaves();
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}
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foreach (BTRoom leaf in rooms)
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{
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leaf.Scale
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(
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new Vector2(Rand.Range(0.5f, 0.9f, false), Rand.Range(0.5f, 0.9f, false))
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);
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}
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baseRoom.GenerateCorridors(200, 256, corridors);
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walls = new List<Line>();
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rooms.ForEach(leaf =>
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{
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leaf.CreateWalls();
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//walls.AddRange(leaf.Walls);
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});
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//---------------------------
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BTRoom entranceRoom = null;
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float shortestDistance = 0.0f;
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foreach (BTRoom leaf in rooms)
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{
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float distance = Vector2.Distance(leaf.Rect.Center.ToVector2(), closestPathCell.Center);
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if (entranceRoom == null || distance < shortestDistance)
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{
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entranceRoom = leaf;
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shortestDistance = distance;
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}
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}
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rooms.Remove(entranceRoom);
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//---------------------------
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foreach (BTRoom leaf in rooms)
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{
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foreach (Corridor corridor in corridors)
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{
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leaf.SplitLines(corridor.Rect);
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}
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walls.AddRange(leaf.Walls);
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}
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foreach (Corridor corridor in corridors)
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{
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List<Line> corridorWalls = new List<Line>();
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corridor.CreateWalls();
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foreach (BTRoom leaf in rooms)
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{
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corridor.SplitLines(leaf.Rect);
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}
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foreach (Corridor corridor2 in corridors)
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{
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if (corridor == corridor2) continue;
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corridor.SplitLines(corridor2.Rect);
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}
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walls.AddRange(corridor.Walls);
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}
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//leaves.Remove(entranceRoom);
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BTRoom.CalculateDistancesFromEntrance(entranceRoom, corridors);
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allShapes = GenerateStructures(caveCells);
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}
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private List<RuinShape> GenerateStructures(List<VoronoiCell> caveCells)
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{
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List<RuinShape> shapes = new List<RuinShape>(rooms);
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shapes.AddRange(corridors);
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//MapEntityPrefab hullPrefab = MapEntityPrefab.list.Find(m => m.Name == "Hull");
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foreach (RuinShape leaf in shapes)
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{
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foreach (Line wall in leaf.Walls)
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{
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var structurePrefab = RuinStructure.GetRandom(leaf is BTRoom ? RuinStructureType.Wall : RuinStructureType.CorridorWall, leaf.GetLineAlignment(wall));
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if (structurePrefab == null) continue;
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float radius = (wall.A.X == wall.B.X) ? (structurePrefab.Prefab as StructurePrefab).Size.X * 0.5f : (structurePrefab.Prefab as StructurePrefab).Size.Y * 0.5f;
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Rectangle rect = new Rectangle(
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(int)(wall.A.X - radius),
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(int)(wall.B.Y + radius),
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(int)((wall.B.X - wall.A.X) + radius*2.0f),
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(int)((wall.B.Y - wall.A.Y) + radius*2.0f));
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//cut a section off from both ends of a horizontal wall to get nicer looking corners
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if (wall.A.Y == wall.B.Y)
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{
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rect.Inflate(-32, 0);
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if (rect.Width < Submarine.GridSize.X) continue;
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}
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var structure = new Structure(rect, structurePrefab.Prefab as StructurePrefab, null);
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structure.MoveWithLevel = true;
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structure.SetCollisionCategory(Physics.CollisionLevel);
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}
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var background = RuinStructure.GetRandom(RuinStructureType.Back, Alignment.Center);
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if (background == null) continue;
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Rectangle backgroundRect = new Rectangle(leaf.Rect.X, leaf.Rect.Y + leaf.Rect.Height, leaf.Rect.Width, leaf.Rect.Height);
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new Structure(backgroundRect, (background.Prefab as StructurePrefab), null).MoveWithLevel = true;
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}
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for (int i = 0; i < shapes.Count*2; i++ )
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{
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Alignment[] alignments = new Alignment[] { Alignment.Top, Alignment.Bottom, Alignment.Right, Alignment.Left, Alignment.Center };
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var prop = RuinStructure.GetRandom(RuinStructureType.Prop, alignments[Rand.Int(alignments.Length, false)]);
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Vector2 size = (prop.Prefab is StructurePrefab) ? (prop.Prefab as StructurePrefab).Size : Vector2.Zero;
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var shape = shapes[Rand.Int(shapes.Count, false)];
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Vector2 position = shape.Rect.Center.ToVector2();
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if (prop.Alignment.HasFlag(Alignment.Top))
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{
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position = new Vector2(Rand.Range(shape.Rect.X+size.X, shape.Rect.Right - size.X, false), shape.Rect.Bottom - 64);
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}
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else if (prop.Alignment.HasFlag(Alignment.Bottom))
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{
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position = new Vector2(Rand.Range(shape.Rect.X + size.X, shape.Rect.Right - size.X, false), shape.Rect.Top + 64);
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}
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else if (prop.Alignment.HasFlag(Alignment.Right))
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{
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position = new Vector2(shape.Rect.Right - 64, Rand.Range(shape.Rect.Y + size.X, shape.Rect.Bottom - size.Y, false));
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}
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else if (prop.Alignment.HasFlag(Alignment.Left))
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{
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position = new Vector2(shape.Rect.X + 64, Rand.Range(shape.Rect.Y + size.X, shape.Rect.Bottom - size.Y, false));
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}
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if (prop.Prefab is ItemPrefab)
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{
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var item = new Item(prop.Prefab as ItemPrefab, position, null);
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item.MoveWithLevel = true;
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}
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else
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{
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new Structure(new Rectangle(
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(int)(position.X - size.X/2.0f), (int)(position.Y + size.Y/2.0f),
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(int)size.X, (int)size.Y),
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prop.Prefab as StructurePrefab, null).MoveWithLevel = true;
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}
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}
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var sensorPrefab = ItemPrefab.list.Find(ip => ip.Name == "Alien Motion Sensor") as ItemPrefab;
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var wirePrefab = ItemPrefab.list.Find(ip => ip.Name == "Wire") as ItemPrefab;
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foreach (Corridor corridor in corridors)
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{
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var doorPrefab = RuinStructure.GetRandom(corridor.IsHorizontal ? RuinStructureType.Door : RuinStructureType.Hatch, Alignment.Center);
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if (doorPrefab == null) continue;
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//find all walls that are parallel to the corridor
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var suitableWalls = corridor.IsHorizontal ?
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corridor.Walls.FindAll(c => c.A.Y == c.B.Y) : corridor.Walls.FindAll(c => c.A.X == c.B.X);
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if (!suitableWalls.Any()) continue;
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Vector2 doorPos = corridor.Center;
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//choose a random wall to place the door next to
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var wall = suitableWalls[Rand.Int(suitableWalls.Count, false)];
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if (corridor.IsHorizontal)
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{
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doorPos.X = (wall.A.X + wall.B.X) / 2.0f;
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}
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else
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{
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doorPos.Y = (wall.A.Y + wall.B.Y) / 2.0f;
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}
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var door = new Item(doorPrefab.Prefab as ItemPrefab, doorPos - new Vector2(doorPrefab.Prefab.sprite.size.X, -doorPrefab.Prefab.sprite.size.Y)/2.0f, null);
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door.MoveWithLevel = true;
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door.GetComponent<Items.Components.Door>().IsOpen = Rand.Range(0.0f, 1.0f, false) < 0.8f;
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if (sensorPrefab == null || wirePrefab == null) continue;
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var sensorRoom = corridor.ConnectedRooms.FirstOrDefault(r => r != null && rooms.Contains(r));
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if (sensorRoom == null) continue;
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var sensor = new Item(sensorPrefab, new Vector2(
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Rand.Range(sensorRoom.Rect.X, sensorRoom.Rect.Right, false),
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Rand.Range(sensorRoom.Rect.Y, sensorRoom.Rect.Bottom,false)), null);
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sensor.MoveWithLevel = true;
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var wire = new Item(wirePrefab, sensorRoom.Center, null).GetComponent<Items.Components.Wire>();
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wire.Item.MoveWithLevel = false;
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var conn1 = door.Connections.Find(c => c.Name == "set_state");
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conn1.AddLink(0, wire);
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wire.Connect(conn1, false);
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var conn2 = sensor.Connections.Find(c => c.Name == "state_out");
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conn2.AddLink(0, wire);
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wire.Connect(conn2, false);
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}
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return shapes;
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}
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public void Draw(SpriteBatch spriteBatch)
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{
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//foreach (BTRoom room in leaves)
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//{
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// GUI.DrawRectangle(spriteBatch, room.Rect, Color.White);
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//}
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//foreach (Corridor corr in corridors)
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//{
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// GUI.DrawRectangle(spriteBatch, corr.Rect, Color.Blue);
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//}
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foreach (Line line in walls)
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{
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GUI.DrawLine(spriteBatch, new Vector2(line.A.X, -line.A.Y), new Vector2(line.B.X, -line.B.Y), Color.Red, 0.0f, 10);
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}
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}
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}
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}
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