public void StopPiston(Point3 position)
{
IMovingBlockSet movingBlockSet = m_subsystemMovingBlocks.FindMovingBlocks("Piston", position);
if (movingBlockSet != null)
{
int cellValue = m_subsystemTerrain.Terrain.GetCellValue(position.X, position.Y, position.Z);
int num = Terrain.ExtractContents(cellValue);
int data = Terrain.ExtractData(cellValue);
bool flag = num == 237;
bool isExtended = false;
m_subsystemMovingBlocks.RemoveMovingBlockSet(movingBlockSet);
foreach (MovingBlock block in movingBlockSet.Blocks)
{
int x = Terrain.ToCell(MathUtils.Round(movingBlockSet.Position.X)) + block.Offset.X;
int y = Terrain.ToCell(MathUtils.Round(movingBlockSet.Position.Y)) + block.Offset.Y;
int z = Terrain.ToCell(MathUtils.Round(movingBlockSet.Position.Z)) + block.Offset.Z;
if (!(new Point3(x, y, z) == position))
{
int num2 = Terrain.ExtractContents(block.Value);
if (flag || num2 != 238)
{
m_subsystemTerrain.DestroyCell(0, x, y, z, block.Value, noDrop: false, noParticleSystem: false);
if (num2 == 238)
{
isExtended = true;
}
}
}
}
if (flag)
{
m_subsystemTerrain.ChangeCell(position.X, position.Y, position.Z, Terrain.MakeBlockValue(237, 0, PistonBlock.SetIsExtended(data, isExtended)));
}
}
}
public bool MovePiston(Point3 position, int length)
{
Terrain terrain = m_subsystemTerrain.Terrain;
int data = Terrain.ExtractData(terrain.GetCellValue(position.X, position.Y, position.Z));
int face = PistonBlock.GetFace(data);
PistonMode mode = PistonBlock.GetMode(data);
int maxExtension = PistonBlock.GetMaxExtension(data);
int pullCount = PistonBlock.GetPullCount(data);
int speed = PistonBlock.GetSpeed(data);
Point3 point = CellFace.FaceToPoint3(face);
length = MathUtils.Clamp(length, 0, maxExtension + 1);
int num = 0;
m_movingBlocks.Clear();
Point3 offset = point;
MovingBlock item;
while (m_movingBlocks.Count < 8)
{
int cellValue = terrain.GetCellValue(position.X + offset.X, position.Y + offset.Y, position.Z + offset.Z);
int num2 = Terrain.ExtractContents(cellValue);
int face2 = PistonHeadBlock.GetFace(Terrain.ExtractData(cellValue));
if (num2 != 238 || face2 != face)
{
break;
}
DynamicArray <MovingBlock> movingBlocks = m_movingBlocks;
item = new MovingBlock
{
Offset = offset,
Value = cellValue
};
movingBlocks.Add(item);
offset += point;
num++;
}
if (length > num)
{
DynamicArray <MovingBlock> movingBlocks2 = m_movingBlocks;
item = new MovingBlock
{
Offset = Point3.Zero,
Value = Terrain.MakeBlockValue(238, 0, PistonHeadBlock.SetFace(PistonHeadBlock.SetMode(PistonHeadBlock.SetIsShaft(0, num > 0), mode), face))
};
movingBlocks2.Add(item);
int num3 = 0;
while (num3 < 8)
{
int cellValue2 = terrain.GetCellValue(position.X + offset.X, position.Y + offset.Y, position.Z + offset.Z);
if (!IsBlockMovable(cellValue2, face, position.Y + offset.Y, out bool isEnd))
{
break;
}
DynamicArray <MovingBlock> movingBlocks3 = m_movingBlocks;
item = new MovingBlock
{
Offset = offset,
Value = cellValue2
};
movingBlocks3.Add(item);
num3++;
offset += point;
if (isEnd)
{
break;
}
}
if (!IsBlockBlocking(terrain.GetCellValue(position.X + offset.X, position.Y + offset.Y, position.Z + offset.Z)))
{
GetSpeedAndSmoothness(speed, out float speed2, out Vector2 smoothness);
Point3 p = position + (length - num) * point;
if (m_subsystemMovingBlocks.AddMovingBlockSet(new Vector3(position) + 0.01f * new Vector3(point), new Vector3(p), speed2, 0f, 0f, smoothness, m_movingBlocks, "Piston", position, testCollision: true) != null)
{
m_allowPistonHeadRemove = true;
try
{
foreach (MovingBlock movingBlock in m_movingBlocks)
{
if (movingBlock.Offset != Point3.Zero)
{
m_subsystemTerrain.ChangeCell(position.X + movingBlock.Offset.X, position.Y + movingBlock.Offset.Y, position.Z + movingBlock.Offset.Z, 0);
}
}
}
finally
{
m_allowPistonHeadRemove = false;
}
m_subsystemTerrain.ChangeCell(position.X, position.Y, position.Z, Terrain.MakeBlockValue(237, 0, PistonBlock.SetIsExtended(data, isExtended: true)));
m_subsystemAudio.PlaySound("Audio/Piston", 1f, 0f, new Vector3(position), 2f, autoDelay: true);
}
}
return(false);
}
if (length < num)
{
if (mode != 0)
{
int num4 = 0;
for (int i = 0; i < pullCount + 1; i++)
{
int cellValue3 = terrain.GetCellValue(position.X + offset.X, position.Y + offset.Y, position.Z + offset.Z);
if (!IsBlockMovable(cellValue3, face, position.Y + offset.Y, out bool isEnd2))
{
break;
}
DynamicArray <MovingBlock> movingBlocks4 = m_movingBlocks;
item = new MovingBlock
{
Offset = offset,
Value = cellValue3
};
movingBlocks4.Add(item);
offset += point;
num4++;
if (isEnd2)
{
break;
}
}
if (mode == PistonMode.StrictPulling && num4 < pullCount + 1)
{
return(false);
}
}
GetSpeedAndSmoothness(speed, out float speed3, out Vector2 smoothness2);
float s = (length == 0) ? 0.01f : 0f;
Vector3 targetPosition = new Vector3(position) + (length - num) * new Vector3(point) + s * new Vector3(point);
if (m_subsystemMovingBlocks.AddMovingBlockSet(new Vector3(position), targetPosition, speed3, 0f, 0f, smoothness2, m_movingBlocks, "Piston", position, testCollision: true) != null)
{
m_allowPistonHeadRemove = true;
try
{
foreach (MovingBlock movingBlock2 in m_movingBlocks)
{
m_subsystemTerrain.ChangeCell(position.X + movingBlock2.Offset.X, position.Y + movingBlock2.Offset.Y, position.Z + movingBlock2.Offset.Z, 0);
}
}
finally
{
m_allowPistonHeadRemove = false;
}
m_subsystemAudio.PlaySound("Audio/Piston", 1f, 0f, new Vector3(position), 2f, autoDelay: true);
}
return(false);
}
return(true);
}