589 lines
22 KiB
C#
589 lines
22 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Xml.Linq;
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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.Collections.ObjectModel;
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namespace Subsurface
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{
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class Gap : MapEntity
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{
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public bool isHorizontal;
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//private Sound waterSound;
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//a value between 0.0f-1.0f (0.0 = closed, 1.0f = open)
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float open;
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//the force of the water flow which is exerted on physics bodies
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Vector2 flowForce;
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Hull flowTargetHull;
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float higherSurface;
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float lowerSurface;
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private int soundIndex;
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float soundVolume;
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public float Open
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{
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get { return open; }
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set { open = MathHelper.Clamp(value, 0.0f, 1.0f); }
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}
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public Vector2 FlowForce
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{
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get { return flowForce*soundVolume; }
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}
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public Hull FlowTargetHull
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{
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get { return flowTargetHull; }
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}
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public Gap(Rectangle newRect)
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{
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rect = newRect;
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linkedTo = new ObservableCollection<MapEntity>();
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//waterSound = new Sound("waterstream", 0.0f);
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flowForce = Vector2.Zero;
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isHorizontal = (rect.Width < rect.Height);
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open = 1.0f;
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FindHulls();
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mapEntityList.Add(this);
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}
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public Gap(Rectangle newRect, bool isHorizontal)
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{
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rect = newRect;
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linkedTo = new ObservableCollection<MapEntity>();
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flowForce = Vector2.Zero;
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this.isHorizontal = isHorizontal;
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open = 1.0f;
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FindHulls();
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mapEntityList.Add(this);
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}
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public static void UpdateHulls()
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{
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foreach (MapEntity entity in mapEntityList)
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{
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Gap g = entity as Gap;
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if (g != null) g.FindHulls();
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}
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}
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public override bool Contains(Vector2 position)
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{
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return (Map.RectContains(rect, position) &&
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!Map.RectContains(new Rectangle(rect.X + 4, rect.Y - 4, rect.Width - 8, rect.Height - 8), position));
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}
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private void FindHulls()
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{
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Hull[] hulls = new Hull[2];
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linkedTo.Clear();
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foreach (Hull h in Hull.hullList)
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{
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if (!Map.RectsOverlap(h.Rect, rect, false)) continue;
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//if the gap is inside the hull completely, ignore it
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if (rect.X > h.Rect.X && rect.X + rect.Width < h.Rect.X+h.Rect.Width &&
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rect.Y < h.Rect.Y && rect.Y - rect.Height > h.Rect.Y - h.Rect.Height) continue;
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for (int i = 0; i < 2; i++ )
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{
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if (hulls[i] != null) continue;
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hulls[i] = h;
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break;
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}
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if (hulls[1] != null) break;
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}
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if (hulls[0] == null && hulls[1] == null) return;
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if (hulls[0]!=null && hulls[1]!=null)
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{
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if ((isHorizontal && hulls[0].Rect.X > hulls[1].Rect.X) || (!isHorizontal && hulls[0].Rect.Y < hulls[1].Rect.Y))
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{
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//make sure that hull1 is the lefthand room if the gap is horizontal,
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//or that hull1 is the upper hull if the gap is vertical
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Hull temp = hulls[0];
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hulls[0] = hulls[1];
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hulls[1] = temp;
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}
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}
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linkedTo.Add(hulls[0]);
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if (hulls[1] != null) linkedTo.Add(hulls[1]);
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//if (hull1 != null && hull2 != null)
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//{
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// if (isHorizontal)
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// {
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// //make sure that water1 is the lefthand room
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// //or that water2 is null if the gap doesn't lead to another room
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// if (hull1.Rect.X < hull2.Rect.X)
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// {
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// linkedTo.Add(hull1);
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// linkedTo.Add(hull2);
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// }
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// else
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// {
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// linkedTo.Add(hull2);
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// linkedTo.Add(hull1);
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// }
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// }
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// else
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// {
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// //make sure that water1 is the room on the top
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// //or that water2 is null if the gap doesn't lead to another room
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// if (hull1.Rect.Y > hull2.Rect.Y)
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// {
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// linkedTo.Add(hull1);
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// linkedTo.Add(hull2);
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// }
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// else
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// {
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// linkedTo.Add(hull2);
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// linkedTo.Add(hull1);
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// }
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// }
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//}
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//else
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//{
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// linkedTo.Add(hull1);
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//}
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}
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public override void Draw(SpriteBatch sb, bool editing)
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{
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//if (linkedTo[0] != null)
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// GUI.DrawLine(sb, new Vector2(Position.X, Position.Y),
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// new Vector2(linkedTo[0].Position.X, linkedTo[0].Position.Y), Color.Blue);
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//if (linkedTo.Count > 1 && linkedTo[1] != null)
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// GUI.DrawLine(sb, new Vector2(Position.X, Position.Y),
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// new Vector2(linkedTo[1].Position.X, linkedTo[1].Position.Y), Color.Blue);
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//GUI.DrawLine(sb, new Vector2(Position.X, -Position.Y), new Vector2(Position.X, -Position.Y)+new Vector2(flowForce.X, -flowForce.Y), Color.LightBlue);
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if (!editing) return;
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Color clr = (open == 0.0f) ? Color.Red : Color.Cyan;
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GUI.DrawRectangle(sb, new Rectangle(rect.X, -rect.Y, rect.Width, rect.Height), clr);
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if (isSelected)
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{
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GUI.DrawRectangle(sb,
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new Vector2(rect.X - 5, -rect.Y - 5),
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new Vector2(rect.Width + 10, rect.Height + 10),
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Color.Red);
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}
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//HUD.DrawLine(sb, new Vector2(position.X, -position.Y),
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// isHorizontal ? new Vector2(position.X, -position.Y + size) : new Vector2(position.X + size, -position.Y),
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// clr);
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}
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public override void Update(Camera cam, float deltaTime)
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{
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soundVolume = soundVolume + ((flowForce.Length() < 100.0f) ? -deltaTime * 0.5f : deltaTime * 0.5f);
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soundVolume = MathHelper.Clamp(soundVolume, 0.0f, 1.0f);
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int index = (int)Math.Floor(flowForce.Length() / 100.0f);
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index = Math.Min(index,2);
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soundIndex = AmbientSoundManager.flowSounds[index].Loop(soundIndex, soundVolume, Position, 2000.0f);
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//soundVolume = Math.Max(0.0f, soundVolume-deltaTime);
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//Sound.UpdatePosition(soundIndex, Position, 2000.0f);
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flowForce = Vector2.Zero;
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if (open == 0.0f) return;
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UpdateOxygen();
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if (linkedTo.Count == 1)
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{
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//gap leading from a room to outside
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UpdateRoomToOut(deltaTime);
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}
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else
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{
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//gap leading from a room to another
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UpdateRoomToRoom(deltaTime);
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}
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if (FlowForce.Length() > 150.0f && flowTargetHull!=null && flowTargetHull.Volume < flowTargetHull.FullVolume)
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{
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//UpdateFlowForce();
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Vector2 pos = SimPosition;
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if (isHorizontal)
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{
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pos.Y = ConvertUnits.ToSimUnits(MathHelper.Clamp(lowerSurface, rect.Y-rect.Height, rect.Y));
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Game1.particleManager.CreateParticle("watersplash",
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new Vector2(pos.X, pos.Y - ToolBox.RandomFloat(0.0f, 0.1f)),
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new Vector2(flowForce.X * ToolBox.RandomFloat(0.005f, 0.007f), flowForce.Y * ToolBox.RandomFloat(0.005f, 0.007f)));
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pos.Y = ConvertUnits.ToSimUnits(ToolBox.RandomFloat(lowerSurface, rect.Y - rect.Height));
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Game1.particleManager.CreateParticle("bubbles", pos, flowForce / 200.0f);
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}
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else
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{
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pos.Y += Math.Sign(flowForce.Y) * ConvertUnits.ToSimUnits(rect.Height / 2.0f);
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for (int i = 0; i < rect.Width; i += (int)ToolBox.RandomFloat(80, 100))
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{
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pos.X = ConvertUnits.ToSimUnits(ToolBox.RandomFloat(rect.X, rect.X+rect.Width));
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Subsurface.Particles.Particle splash = Game1.particleManager.CreateParticle("watersplash", pos,
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new Vector2(flowForce.X * ToolBox.RandomFloat(0.005f, 0.008f), flowForce.Y * ToolBox.RandomFloat(0.005f, 0.008f)));
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if (splash!=null) splash.Size = splash.Size * MathHelper.Clamp(rect.Width / 50.0f, 0.8f, 4.0f);
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Game1.particleManager.CreateParticle("bubbles", pos, flowForce / 200.0f);
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}
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}
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}
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}
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void UpdateRoomToRoom(float deltaTime)
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{
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if (linkedTo.Count < 2) return;
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Hull hull1 = (Hull)linkedTo[0];
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Hull hull2 = (Hull)linkedTo[1];
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if (hull1.Volume == 0.0 && hull2.Volume == 0.0) return;
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float size = (isHorizontal) ? rect.Height : rect.Width;
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//a variable affecting the water flow through the gap
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//the larger the gap is, the faster the water flows
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float sizeModifier = size / 100.0f * open;
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//horizontal gap (such as a regular door)
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if (isHorizontal)
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{
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//higherSurface = Math.Min(hull1.Surface,hull2.Surface);
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float delta=0.0f;
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//water level is above the lower boundary of the gap
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if (Math.Max(hull1.Surface+hull1.WaveY[hull1.WaveY.Length - 1], hull2.Surface+hull2.WaveY[0]) > rect.Y - size)
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{
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int dir = (hull1.Pressure > hull2.Pressure) ? 1 : -1;
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//water flowing from the righthand room to the lefthand room
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if (dir == -1)
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{
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if (!(hull2.Volume > 0.0f)) return;
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lowerSurface = hull1.Surface - hull1.WaveY[hull1.WaveY.Length - 1];
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//delta = Math.Min((room2.water.pressure - room1.water.pressure) * sizeModifier, Math.Min(room2.water.Volume, room2.Volume));
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//delta = Math.Min(delta, room1.Volume - room1.water.Volume + Water.MaxCompress);
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flowTargetHull = hull1;
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//make sure not to move more than what the room contains
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delta = Math.Min((hull2.Pressure - hull1.Pressure) * sizeModifier, Math.Min(hull2.Volume, hull2.FullVolume));
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//make sure not to place more water to the target room than it can hold
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delta = Math.Min(delta, hull1.FullVolume + Hull.MaxCompress - (hull1.Volume));
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hull1.Volume += delta;
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hull2.Volume -= delta;
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if (hull1.Volume > hull1.FullVolume)
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hull1.Pressure = Math.Max(hull1.Pressure, (hull1.Pressure + hull2.Pressure) / 2);
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flowForce = new Vector2(-delta, 0.0f);
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}
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else if (dir == 1)
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{
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if (!(hull1.Volume > 0.0f)) return;
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lowerSurface = hull2.Surface - hull2.WaveY[1];
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flowTargetHull = hull2;
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//make sure not to move more than what the room contains
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delta = Math.Min((hull1.Pressure - hull2.Pressure) * sizeModifier, Math.Min(hull1.Volume, hull1.FullVolume));
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//make sure not to place more water to the target room than it can hold
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delta = Math.Min(delta, hull2.FullVolume + Hull.MaxCompress - (hull2.Volume));
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hull1.Volume -= delta;
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hull2.Volume += delta;
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if (hull2.Volume > hull2.FullVolume)
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hull2.Pressure = Math.Max(hull2.Pressure, (hull1.Pressure + hull2.Pressure) / 2);
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flowForce = new Vector2(delta, 0.0f);
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}
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if (delta>100.0f)
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{
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float avg = (hull1.Surface + hull2.Surface) / 2.0f;
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//float avgVel = (hull2.WaveVel[1] + hull1.WaveVel[hull1.WaveY.Length - 2]) / 2.0f;
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if (hull1.Volume < hull1.FullVolume - Hull.MaxCompress &&
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hull1.Surface + hull1.WaveY[hull1.WaveY.Length - 1] < rect.Y)
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{
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hull1.WaveVel[hull1.WaveY.Length - 1] = (avg-(hull1.Surface + hull1.WaveY[hull1.WaveY.Length - 1]))*0.1f;
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hull1.WaveVel[hull1.WaveY.Length - 2] = hull1.WaveVel[hull1.WaveY.Length - 1];
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}
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if (hull2.Volume < hull2.FullVolume - Hull.MaxCompress &&
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hull2.Surface + hull2.WaveY[0] < rect.Y)
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{
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hull2.WaveVel[0] = (avg - (hull2.Surface + hull2.WaveY[0])) * 0.1f;
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hull2.WaveVel[1] = hull2.WaveVel[0];
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}
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}
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}
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}
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else
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{
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//lower room is full of water
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if (hull2.Pressure > hull1.Pressure)
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{
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float delta = Math.Min(hull2.Volume - hull2.FullVolume + Hull.MaxCompress / 2.0f, deltaTime * 8000.0f * sizeModifier);
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flowForce = new Vector2(0.0f, Math.Min(hull2.Pressure - hull1.Pressure, 500.0f));
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delta = Math.Max(delta, 0.0f);
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hull1.Volume += delta;
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hull2.Volume -= delta;
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flowTargetHull = hull1;
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//delta = (water2.Pressure - water1.Pressure) * 0.1f;
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//if (delta > 0.1f)
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//{
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// int posX = (int)((rect.X + size / 2.0f - water1.Rect.X) / Hull.WaveWidth);
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// //water1.WaveY[posX] = delta;
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// water1.WaveVel[posX] = delta * 0.01f;
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//}
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if (hull1.Volume > hull1.FullVolume)
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{
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hull1.Pressure = Math.Max(hull1.Pressure, (hull1.Pressure + hull2.Pressure) / 2);
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}
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}
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//there's water in the upper room, drop to lower
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else if (hull1.Volume > 0)
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{
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flowTargetHull = hull2;
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//make sure the amount of water moved isn't more than what the room contains
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float delta = Math.Min(hull1.Volume, deltaTime * 10000f * sizeModifier);
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//make sure not to place more water to the target room than it can hold
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delta = Math.Min(delta, (hull2.FullVolume + Math.Max(hull1.Volume - hull1.FullVolume, 0.0f)) - hull2.Volume + Hull.MaxCompress / 4.0f);
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hull1.Volume -= delta;
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hull2.Volume += delta;
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if (hull2.Volume > hull2.FullVolume)
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{
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hull2.Pressure = Math.Max(hull2.Pressure, (hull1.Pressure + hull2.Pressure) / 2);
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}
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flowForce = new Vector2(0.0f,-delta);
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//if (water2.Volume < water2.FullVolume - Hull.MaxCompress)
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//{
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// int posX = (int)((rect.X + size / 2.0f - water1.Rect.X) / Hull.WaveWidth);
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// //water1.WaveY[posX] = -delta;
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// if (posX > -1 && posX < water2.WaveVel.Length)
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// water1.WaveVel[posX] = -delta * 0.01f;
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// posX = (int)((rect.X + size / 2.0f - water2.Rect.X) / Hull.WaveWidth);
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// //water2.WaveY[posX] = delta;
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// if (posX > -1 && posX<water2.WaveVel.Length)
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// water2.WaveVel[posX] = delta * 0.01f;
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//}
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}
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}
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if (open > 0.0f)
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{
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if (hull1.Volume>hull1.FullVolume && hull2.Volume>hull2.FullVolume)
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{
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float avgLethality = (hull1.LethalPressure + hull2.LethalPressure) / 2.0f;
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hull1.LethalPressure = avgLethality;
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hull2.LethalPressure = avgLethality;
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}
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else
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{
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hull1.LethalPressure = 0.0f;
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hull2.LethalPressure = 0.0f;
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}
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}
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}
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void UpdateRoomToOut(float deltaTime)
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{
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if (linkedTo.Count != 1) return;
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float size = (isHorizontal) ? rect.Height : rect.Width;
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Hull hull1 = (Hull)linkedTo[0];
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//a variable affecting the water flow through the gap
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//the larger the gap is, the faster the water flows
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float sizeModifier = size * open;
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float delta = Hull.MaxCompress * sizeModifier * deltaTime;
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//make sure not to place more water to the target room than it can hold
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delta = Math.Min(delta, hull1.FullVolume + Hull.MaxCompress - hull1.Volume);
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hull1.Volume += delta;
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if (hull1.Volume > hull1.FullVolume) hull1.Pressure += 0.5f;
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flowTargetHull = hull1;
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if (isHorizontal)
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{
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//water flowing from right to left
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if (rect.X > hull1.Rect.X + hull1.Rect.Width / 2.0f)
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{
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flowForce = new Vector2(-delta, 0.0f);
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}
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else
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{
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flowForce = new Vector2(delta, 0.0f);
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}
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higherSurface = hull1.Surface;
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lowerSurface = rect.Y;
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if (hull1.Volume < hull1.FullVolume - Hull.MaxCompress &&
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hull1.Surface > -rect.Y)
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{
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float vel = (rect.Y + hull1.Surface) * 0.03f;
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if (rect.X > hull1.Rect.X + hull1.Rect.Width / 2.0f)
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{
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|
hull1.WaveVel[hull1.WaveY.Length - 1] += vel;
|
|
hull1.WaveVel[hull1.WaveY.Length - 2] += vel;
|
|
}
|
|
else
|
|
{
|
|
hull1.WaveVel[0] += vel;
|
|
hull1.WaveVel[1] += vel;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (rect.Y > hull1.Rect.Y - hull1.Rect.Height / 2.0f)
|
|
{
|
|
flowForce = new Vector2(0.0f, -delta);
|
|
}
|
|
else
|
|
{
|
|
flowForce = new Vector2(0.0f, delta);
|
|
}
|
|
}
|
|
}
|
|
|
|
private void UpdateOxygen()
|
|
{
|
|
if (linkedTo.Count < 2) return;
|
|
Hull hull1 = (Hull)linkedTo[0];
|
|
Hull hull2 = (Hull)linkedTo[1];
|
|
|
|
float totalOxygen = hull1.Oxygen + hull2.Oxygen;
|
|
float totalVolume = (hull1.FullVolume + hull2.FullVolume);
|
|
|
|
hull1.Oxygen += Math.Sign(totalOxygen * hull1.FullVolume / (totalVolume) - hull1.Oxygen) * Hull.OxygenDistributionSpeed;
|
|
hull2.Oxygen += Math.Sign(totalOxygen * hull2.FullVolume / (totalVolume) - hull2.Oxygen) * Hull.OxygenDistributionSpeed;
|
|
}
|
|
|
|
public override void Remove()
|
|
{
|
|
base.Remove();
|
|
|
|
if (soundIndex > -1) Sounds.SoundManager.Stop(soundIndex);
|
|
}
|
|
|
|
public override XElement Save(XDocument doc)
|
|
{
|
|
XElement element = new XElement("Gap");
|
|
|
|
element.Add(new XAttribute("ID", ID),
|
|
new XAttribute("x", rect.X),
|
|
new XAttribute("y", rect.Y),
|
|
new XAttribute("width", rect.Width),
|
|
new XAttribute("height", rect.Height));
|
|
|
|
//if (linkedTo != null)
|
|
//{
|
|
// int i = 0;
|
|
// foreach (Entity e in linkedTo)
|
|
// {
|
|
// if (e == null) continue;
|
|
// element.Add(new XAttribute("linkedto" + i, e.ID));
|
|
// i += 1;
|
|
// }
|
|
//}
|
|
|
|
doc.Root.Add(element);
|
|
|
|
return element;
|
|
}
|
|
|
|
|
|
public static void Load(XElement element)
|
|
{
|
|
Rectangle rect = new Rectangle(
|
|
int.Parse(element.Attribute("x").Value),
|
|
int.Parse(element.Attribute("y").Value),
|
|
int.Parse(element.Attribute("width").Value),
|
|
int.Parse(element.Attribute("height").Value));
|
|
|
|
Gap g = new Gap(rect);
|
|
g.ID = int.Parse(element.Attribute("ID").Value);
|
|
|
|
g.linkedToID = new List<int>();
|
|
//int i = 0;
|
|
//while (element.Attribute("linkedto" + i) != null)
|
|
//{
|
|
// g.linkedToID.Add(int.Parse(element.Attribute("linkedto" + i).Value));
|
|
// i += 1;
|
|
//}
|
|
}
|
|
}
|
|
}
|