436 lines
15 KiB
C#
436 lines
15 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel;
|
|
using System.Linq;
|
|
using System.Xml.Linq;
|
|
using FarseerPhysics;
|
|
using Microsoft.Xna.Framework;
|
|
using Microsoft.Xna.Framework.Graphics;
|
|
|
|
namespace Subsurface
|
|
{
|
|
|
|
class Hull : MapEntity
|
|
{
|
|
public static List<Hull> hullList = new List<Hull>();
|
|
|
|
public static bool EditWater;
|
|
|
|
public static WaterRenderer renderer;
|
|
|
|
public const float OxygenDistributionSpeed = 500.0f;
|
|
public const float OxygenDetoriationSpeed = 0.3f;
|
|
public const float OxygenConsumptionSpeed = 1000.0f;
|
|
|
|
public const int WaveWidth = 16;
|
|
const float WaveStiffness = 0.003f;
|
|
const float WaveSpread = 0.05f;
|
|
const float WaveDampening = 0.01f;
|
|
|
|
//how much excess water the room can contain (= more than the volume of the room)
|
|
public const float MaxCompress = 10000f;
|
|
|
|
public readonly Dictionary<string, PropertyDescriptor> properties;
|
|
|
|
float lethalPressure;
|
|
|
|
float surface;
|
|
float volume;
|
|
float pressure;
|
|
|
|
float oxygen;
|
|
|
|
bool update;
|
|
|
|
float[] waveY; //displacement from the surface of the water
|
|
float[] waveVel; //velocity of the point
|
|
|
|
float[] leftDelta;
|
|
float[] rightDelta;
|
|
|
|
public override bool IsLinkable
|
|
{
|
|
get { return true; }
|
|
}
|
|
|
|
public float LethalPressure
|
|
{
|
|
get { return lethalPressure; }
|
|
set { lethalPressure = MathHelper.Clamp(value, 0.0f, 100.0f); }
|
|
}
|
|
|
|
public Vector2 Size
|
|
{
|
|
get { return new Vector2(rect.Width, rect.Height); }
|
|
}
|
|
|
|
public float Surface
|
|
{
|
|
get { return surface; }
|
|
}
|
|
|
|
public float Volume
|
|
{
|
|
get { return volume; }
|
|
set
|
|
{
|
|
volume = MathHelper.Clamp(value, 0.0f, FullVolume + MaxCompress);
|
|
if (volume < FullVolume) Pressure = rect.Y - rect.Height + volume / rect.Width;
|
|
if (volume > 0.0f) update = true;
|
|
}
|
|
}
|
|
|
|
public float Oxygen
|
|
{
|
|
get { return oxygen; }
|
|
set { oxygen = MathHelper.Clamp(value, 0.0f, FullVolume); }
|
|
}
|
|
|
|
public float OxygenPercentage
|
|
{
|
|
get { return oxygen / FullVolume * 100.0f; }
|
|
set { Oxygen = (value / 100.0f) * FullVolume; }
|
|
}
|
|
|
|
public float FullVolume
|
|
{
|
|
get { return (rect.Width * rect.Height); }
|
|
}
|
|
|
|
public float Pressure
|
|
{
|
|
get { return pressure; }
|
|
set { pressure = value; }
|
|
}
|
|
|
|
public float[] WaveY
|
|
{
|
|
get { return waveY; }
|
|
}
|
|
|
|
public float[] WaveVel
|
|
{
|
|
get { return waveVel; }
|
|
}
|
|
|
|
public Hull(Rectangle rectangle)
|
|
{
|
|
rect = rectangle;
|
|
|
|
OxygenPercentage = Rand.Range(0.0f, 100.0f, false);
|
|
|
|
properties = TypeDescriptor.GetProperties(GetType())
|
|
.Cast<PropertyDescriptor>()
|
|
.ToDictionary(pr => pr.Name);
|
|
|
|
int arraySize = (rectangle.Width / WaveWidth + 1);
|
|
waveY = new float[arraySize];
|
|
waveVel = new float[arraySize];
|
|
|
|
leftDelta = new float[arraySize];
|
|
rightDelta = new float[arraySize];
|
|
|
|
surface = rect.Y - rect.Height;
|
|
|
|
aiTarget = new AITarget(this);
|
|
aiTarget.SightRange = (rect.Width + rect.Height)*10.0f;
|
|
|
|
hullList.Add(this);
|
|
|
|
Item.UpdateHulls();
|
|
Gap.UpdateHulls();
|
|
|
|
Volume = 0.0f;
|
|
|
|
//add to list of entities as well
|
|
mapEntityList.Add(this);
|
|
}
|
|
|
|
public override bool Contains(Vector2 position)
|
|
{
|
|
return (Submarine.RectContains(rect, position) &&
|
|
!Submarine.RectContains(new Rectangle(rect.X + 8, rect.Y - 8, rect.Width - 16, rect.Height - 16), position));
|
|
}
|
|
|
|
public int GetWaveIndex(Vector2 position)
|
|
{
|
|
int index = (int)(position.X - rect.X) / WaveWidth;
|
|
index = MathHelper.Clamp(index, 0, waveY.Length-1);
|
|
return index;
|
|
}
|
|
|
|
public override void Move(Vector2 amount)
|
|
{
|
|
rect.X += (int)amount.X;
|
|
rect.Y += (int)amount.Y;
|
|
|
|
Item.UpdateHulls();
|
|
Gap.UpdateHulls();
|
|
}
|
|
|
|
public override void Remove()
|
|
{
|
|
base.Remove();
|
|
|
|
Item.UpdateHulls();
|
|
Gap.UpdateHulls();
|
|
|
|
//renderer.Dispose();
|
|
|
|
hullList.Remove(this);
|
|
}
|
|
|
|
public override void Update(Camera cam, float deltaTime)
|
|
{
|
|
Oxygen -= OxygenDetoriationSpeed * deltaTime;
|
|
|
|
if (EditWater)
|
|
{
|
|
Vector2 position = cam.ScreenToWorld(PlayerInput.MousePosition);
|
|
if (Submarine.RectContains(rect, position))
|
|
{
|
|
if (PlayerInput.LeftButtonDown())
|
|
{
|
|
waveY[(int)(position.X - rect.X) / WaveWidth] = 100.0f;
|
|
Volume = Volume + 1500.0f;
|
|
}
|
|
else if (PlayerInput.GetMouseState.RightButton == Microsoft.Xna.Framework.Input.ButtonState.Pressed)
|
|
{
|
|
Volume = Volume - 1500.0f;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if (!update) return;
|
|
|
|
float surfaceY = rect.Y - rect.Height + Volume / rect.Width;
|
|
for (int i = 0; i < waveY.Length; i++)
|
|
{
|
|
float maxDelta = Math.Max(Math.Abs(rightDelta[i]), Math.Abs(leftDelta[i]));
|
|
if (maxDelta > Rand.Range(0.2f,10.0f))
|
|
{
|
|
Game1.particleManager.CreateParticle("mist",
|
|
ConvertUnits.ToSimUnits(new Vector2(rect.X + WaveWidth * i,surface + waveY[i])),
|
|
new Vector2(0.0f, -0.5f));
|
|
}
|
|
|
|
waveY[i] = waveY[i] + waveVel[i];
|
|
|
|
if (surfaceY + waveY[i] > rect.Y)
|
|
{
|
|
waveY[i] -= (surfaceY + waveY[i]) - rect.Y;
|
|
waveVel[i] = waveVel[i] * -0.5f;
|
|
}
|
|
else if (surfaceY + waveY[i] < rect.Y - rect.Height)
|
|
{
|
|
waveY[i] -= (surfaceY + waveY[i]) - (rect.Y - rect.Height);
|
|
waveVel[i] = waveVel[i] * -0.5f;
|
|
}
|
|
|
|
|
|
//acceleration
|
|
float a = -WaveStiffness * waveY[i] - waveVel[i] * WaveDampening;
|
|
waveVel[i] = waveVel[i] + a;
|
|
|
|
}
|
|
|
|
for (int j = 0; j < 2; j++)
|
|
{
|
|
for (int i = 1; i < waveY.Length - 1; i++)
|
|
{
|
|
leftDelta[i] = WaveSpread * (waveY[i] - waveY[i - 1]);
|
|
waveVel[i - 1] = waveVel[i - 1] + leftDelta[i];
|
|
|
|
rightDelta[i] = WaveSpread * (waveY[i] - waveY[i + 1]);
|
|
waveVel[i + 1] = waveVel[i + 1] + rightDelta[i];
|
|
}
|
|
|
|
for (int i = 1; i < waveY.Length - 1; i++)
|
|
{
|
|
waveY[i - 1] = waveY[i - 1] + leftDelta[i];
|
|
waveY[i + 1] = waveY[i + 1] + rightDelta[i];
|
|
}
|
|
}
|
|
|
|
if (volume<FullVolume)
|
|
{
|
|
LethalPressure -= 0.5f;
|
|
if (Volume == 0.0f)
|
|
{
|
|
for (int i = 1; i < waveY.Length - 1; i++)
|
|
{
|
|
if (waveY[i] > 0.1f) return;
|
|
}
|
|
update = false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
LethalPressure += 1.0f;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
public override void Draw(SpriteBatch spriteBatch, bool editing)
|
|
{
|
|
if (!editing && !Game1.DebugDraw) return;
|
|
|
|
GUI.DrawRectangle(spriteBatch,
|
|
new Vector2(rect.X, -rect.Y),
|
|
new Vector2(rect.Width, rect.Height),
|
|
isHighlighted ? Color.Green : Color.Blue);
|
|
|
|
GUI.DrawRectangle(spriteBatch,
|
|
new Rectangle(rect.X, -rect.Y, rect.Width, rect.Height),
|
|
Color.Red*((100.0f-OxygenPercentage)/400.0f), true);
|
|
|
|
spriteBatch.DrawString(GUI.Font, "Pressure: " + ((int)pressure - rect.Y).ToString() +
|
|
" - Lethality: " + lethalPressure +
|
|
" - Oxygen: "+((int)OxygenPercentage), new Vector2(rect.X+10, -rect.Y+10), Color.Black);
|
|
spriteBatch.DrawString(GUI.Font, volume +" / "+ FullVolume, new Vector2(rect.X+10, -rect.Y+30), Color.Black);
|
|
|
|
if (isSelected && editing)
|
|
{
|
|
GUI.DrawRectangle(spriteBatch,
|
|
new Vector2(rect.X - 5, -rect.Y - 5),
|
|
new Vector2(rect.Width + 10, rect.Height + 10),
|
|
Color.Red);
|
|
}
|
|
}
|
|
|
|
public void Render(GraphicsDevice graphicsDevice, Camera cam)
|
|
{
|
|
if (renderer.positionInBuffer > renderer.vertices.Length - 6) return;
|
|
|
|
//calculate where the surface should be based on the water volume
|
|
float top = rect.Y;
|
|
float bottom = rect.Y - rect.Height;
|
|
float surfaceY = bottom + Volume / rect.Width;
|
|
|
|
//interpolate the position of the rendered surface towards the "target surface"
|
|
surface = surface + (surfaceY - surface) / 10.0f;
|
|
|
|
Matrix transform =
|
|
cam.Transform
|
|
* Matrix.CreateOrthographic(Game1.GraphicsWidth, Game1.GraphicsHeight, -1, 1) * 0.5f;
|
|
|
|
if (bottom > cam.WorldView.Y || top < cam.WorldView.Y - cam.WorldView.Height) return;
|
|
|
|
if (!update)
|
|
{
|
|
// create the four corners of our triangle.
|
|
Vector3 p1 = new Vector3(rect.X, top, 0.0f);
|
|
Vector3 p2 = new Vector3(rect.X + rect.Width, top, 0.0f);
|
|
|
|
Vector3 p3 = new Vector3(p2.X, bottom, 0.0f);
|
|
Vector3 p4 = new Vector3(p1.X, bottom, 0.0f);
|
|
|
|
renderer.vertices[renderer.positionInBuffer] = new WaterVertex(p1, new Vector2(p1.X, -p1.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 1] = new WaterVertex(p2, new Vector2(p2.X, -p2.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 2] = new WaterVertex(p3, new Vector2(p3.X, -p3.Y), transform);
|
|
|
|
renderer.vertices[renderer.positionInBuffer + 3] = new WaterVertex(p1, new Vector2(p1.X, -p1.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 4] = new WaterVertex(p3, new Vector2(p3.X, -p3.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 5] = new WaterVertex(p4, new Vector2(p4.X, -p4.Y), transform);
|
|
|
|
renderer.positionInBuffer += 6;
|
|
|
|
return;
|
|
}
|
|
|
|
int x = rect.X;
|
|
int start = (int)Math.Floor((float)(cam.WorldView.X - x) / WaveWidth);
|
|
start = Math.Max(start, 0);
|
|
|
|
int end = (waveY.Length - 1)
|
|
- (int)Math.Floor((float)((x + rect.Width) - (cam.WorldView.X + cam.WorldView.Width)) / WaveWidth);
|
|
end = Math.Min(end, waveY.Length - 1);
|
|
|
|
x += start * WaveWidth;
|
|
|
|
for (int i = start; i < end; i++)
|
|
{
|
|
if (renderer.positionInBuffer > renderer.vertices.Length - 6) return;
|
|
|
|
Vector3 p1 = new Vector3(x, top, 0.0f);
|
|
Vector3 p4 = new Vector3(p1.X, surface + waveY[i], 0.0f);
|
|
|
|
//skip adjacent "water rects" if the surface of the water is roughly at the same position
|
|
int width = WaveWidth;
|
|
while (i<end-1 && Math.Abs(waveY[i + 1] - waveY[i]) < 1.0f)
|
|
{
|
|
width += WaveWidth;
|
|
i++;
|
|
}
|
|
|
|
Vector3 p2 = new Vector3(x + width, top, 0.0f);
|
|
Vector3 p3 = new Vector3(p2.X, surface + waveY[i+1], 0.0f);
|
|
|
|
renderer.vertices[renderer.positionInBuffer] = new WaterVertex(p1, new Vector2(p1.X, -p1.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 1] = new WaterVertex(p2, new Vector2(p2.X, -p2.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 2] = new WaterVertex(p3, new Vector2(p3.X, -p3.Y), transform);
|
|
|
|
renderer.vertices[renderer.positionInBuffer + 3] = new WaterVertex(p1, new Vector2(p1.X, -p1.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 4] = new WaterVertex(p3, new Vector2(p3.X, -p3.Y), transform);
|
|
renderer.vertices[renderer.positionInBuffer + 5] = new WaterVertex(p4, new Vector2(p4.X, -p4.Y), transform);
|
|
|
|
renderer.positionInBuffer += 6;
|
|
|
|
x += width;
|
|
}
|
|
|
|
}
|
|
|
|
//returns the water block which contains the point (or null if it isn't inside any)
|
|
public static Hull FindHull(Vector2 position, Hull guess = null)
|
|
{
|
|
if (guess != null && hullList.Contains(guess))
|
|
{
|
|
if (Submarine.RectContains(guess.rect, position)) return guess;
|
|
}
|
|
|
|
foreach (Hull w in hullList)
|
|
{
|
|
if (Submarine.RectContains(w.rect, position)) return w;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public override XElement Save(XDocument doc)
|
|
{
|
|
XElement element = new XElement("Hull");
|
|
|
|
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),
|
|
new XAttribute("water", volume));
|
|
|
|
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));
|
|
|
|
Hull h = new Hull(rect);
|
|
|
|
h.volume = ToolBox.GetAttributeFloat(element, "pressure", 0.0f);
|
|
|
|
h.ID = int.Parse(element.Attribute("ID").Value);
|
|
}
|
|
|
|
|
|
}
|
|
}
|