void UpdateRoomToRoom(float deltaTime)
{
if (linkedTo.Count < 2)
{
return;
}
Hull hull1 = (Hull)linkedTo[0];
Hull hull2 = (Hull)linkedTo[1];
Vector2 subOffset = Vector2.Zero;
if (hull1.Submarine != Submarine)
{
subOffset = Submarine.Position - hull1.Submarine.Position;
}
else if (hull2.Submarine != Submarine)
{
subOffset = hull2.Submarine.Position - Submarine.Position;
}
if (hull1.WaterVolume <= 0.0 && hull2.WaterVolume <= 0.0)
{
return;
}
float size = IsHorizontal ? rect.Height : rect.Width;
//a variable affecting the water flow through the gap
//the larger the gap is, the faster the water flows
float sizeModifier = size / 100.0f * open;
//horizontal gap (such as a regular door)
if (IsHorizontal)
{
higherSurface = Math.Max(hull1.Surface, hull2.Surface + subOffset.Y);
float delta = 0.0f;
//water level is above the lower boundary of the gap
if (Math.Max(hull1.Surface + hull1.WaveY[hull1.WaveY.Length - 1], hull2.Surface + subOffset.Y + hull2.WaveY[0]) > rect.Y - size)
{
int dir = (hull1.Pressure > hull2.Pressure + subOffset.Y) ? 1 : -1;
//water flowing from the righthand room to the lefthand room
if (dir == -1)
{
if (!(hull2.WaterVolume > 0.0f))
{
return;
}
lowerSurface = hull1.Surface - hull1.WaveY[hull1.WaveY.Length - 1];
//delta = Math.Min((room2.water.pressure - room1.water.pressure) * sizeModifier, Math.Min(room2.water.Volume, room2.Volume));
//delta = Math.Min(delta, room1.Volume - room1.water.Volume + Water.MaxCompress);
flowTargetHull = hull1;
//make sure not to move more than what the room contains
delta = Math.Min(((hull2.Pressure + subOffset.Y) - hull1.Pressure) * 5.0f * sizeModifier, Math.Min(hull2.WaterVolume, hull2.Volume));
//make sure not to place more water to the target room than it can hold
delta = Math.Min(delta, hull1.Volume + Hull.MaxCompress - (hull1.WaterVolume));
hull1.WaterVolume += delta;
hull2.WaterVolume -= delta;
if (hull1.WaterVolume > hull1.Volume)
{
hull1.Pressure = Math.Max(hull1.Pressure, (hull1.Pressure + hull2.Pressure + subOffset.Y) / 2);
}
flowForce = new Vector2(-delta, 0.0f);
}
else if (dir == 1)
{
if (!(hull1.WaterVolume > 0.0f))
{
return;
}
lowerSurface = hull2.Surface - hull2.WaveY[hull2.WaveY.Length - 1];
flowTargetHull = hull2;
//make sure not to move more than what the room contains
delta = Math.Min((hull1.Pressure - (hull2.Pressure + subOffset.Y)) * 5.0f * sizeModifier, Math.Min(hull1.WaterVolume, hull1.Volume));
//make sure not to place more water to the target room than it can hold
delta = Math.Min(delta, hull2.Volume + Hull.MaxCompress - (hull2.WaterVolume));
hull1.WaterVolume -= delta;
hull2.WaterVolume += delta;
if (hull2.WaterVolume > hull2.Volume)
{
hull2.Pressure = Math.Max(hull2.Pressure, ((hull1.Pressure - subOffset.Y) + hull2.Pressure) / 2);
}
flowForce = new Vector2(delta, 0.0f);
}
if (delta > 100.0f && subOffset == Vector2.Zero)
{
float avg = (hull1.Surface + hull2.Surface) / 2.0f;
if (hull1.WaterVolume < hull1.Volume - Hull.MaxCompress &&
hull1.Surface + hull1.WaveY[hull1.WaveY.Length - 1] < rect.Y)
{
hull1.WaveVel[hull1.WaveY.Length - 1] = (avg - (hull1.Surface + hull1.WaveY[hull1.WaveY.Length - 1])) * 0.1f;
hull1.WaveVel[hull1.WaveY.Length - 2] = hull1.WaveVel[hull1.WaveY.Length - 1];
}
if (hull2.WaterVolume < hull2.Volume - Hull.MaxCompress &&
hull2.Surface + hull2.WaveY[0] < rect.Y)
{
hull2.WaveVel[0] = (avg - (hull2.Surface + hull2.WaveY[0])) * 0.1f;
hull2.WaveVel[1] = hull2.WaveVel[0];
}
}
}
}
else
{
//lower room is full of water
if (hull2.Pressure + subOffset.Y > hull1.Pressure)
{
float delta = Math.Min(hull2.WaterVolume - hull2.Volume + Hull.MaxCompress, deltaTime * 8000.0f * sizeModifier);
//make sure not to place more water to the target room than it can hold
if (hull1.WaterVolume + delta > hull1.Volume + Hull.MaxCompress)
{
delta -= (hull1.WaterVolume + delta) - (hull1.Volume + Hull.MaxCompress);
}
delta = Math.Max(delta, 0.0f);
hull1.WaterVolume += delta;
hull2.WaterVolume -= delta;
flowForce = new Vector2(
0.0f,
Math.Min(Math.Min((hull2.Pressure + subOffset.Y) - hull1.Pressure, 200.0f), delta));
flowTargetHull = hull1;
if (hull1.WaterVolume > hull1.Volume)
{
hull1.Pressure = Math.Max(hull1.Pressure, (hull1.Pressure + (hull2.Pressure + subOffset.Y)) / 2);
}
}
//there's water in the upper room, drop to lower
else if (hull1.WaterVolume > 0)
{
flowTargetHull = hull2;
//make sure the amount of water moved isn't more than what the room contains
float delta = Math.Min(hull1.WaterVolume, deltaTime * 25000f * sizeModifier);
//make sure not to place more water to the target room than it can hold
if (hull2.WaterVolume + delta > hull2.Volume + Hull.MaxCompress)
{
delta -= (hull2.WaterVolume + delta) - (hull2.Volume + Hull.MaxCompress);
}
hull1.WaterVolume -= delta;
hull2.WaterVolume += delta;
flowForce = new Vector2(
hull1.WaveY[hull1.GetWaveIndex(rect.X)] - hull1.WaveY[hull1.GetWaveIndex(rect.Right)],
Math.Max(Math.Max((hull2.Pressure + subOffset.Y - hull1.Pressure) * 10.0f, -200.0f), -delta));
if (hull2.WaterVolume > hull2.Volume)
{
hull2.Pressure = Math.Max(hull2.Pressure, ((hull1.Pressure - subOffset.Y) + hull2.Pressure) / 2);
}
}
}
if (open > 0.0f)
{
if (hull1.WaterVolume > hull1.Volume - Hull.MaxCompress && hull2.WaterVolume > hull2.Volume - Hull.MaxCompress)
{
float avgLethality = (hull1.LethalPressure + hull2.LethalPressure) / 2.0f;
hull1.LethalPressure = avgLethality;
hull2.LethalPressure = avgLethality;
}
else
{
hull1.LethalPressure = 0.0f;
hull2.LethalPressure = 0.0f;
}
}
}