private void CreateHalfExtents()
{
_oldGridHalfExtents = DsState.State.GridHalfExtents;
var myAabb = MyGrid.PositionComp.LocalAABB;
var shieldGrid = MyGrid;
var expandedAabb = myAabb;
if (ShieldComp.GetSubGrids.Count > 1)
{
foreach (var grid in ShieldComp.GetSubGrids)
{
if (grid == null || grid == shieldGrid)
{
continue;
}
var shieldMatrix = shieldGrid.PositionComp.WorldMatrixNormalizedInv;
var gQuaternion = Quaternion.CreateFromRotationMatrix(grid.WorldMatrix);
var gOriBBoxD = new MyOrientedBoundingBox(grid.PositionComp.WorldAABB.Center, grid.PositionComp.LocalAABB.HalfExtents, gQuaternion);
gOriBBoxD.Transform(shieldMatrix);
expandedAabb.Include(gOriBBoxD.GetAABB());
}
}
if (DsSet.Settings.SphereFit || DsSet.Settings.FortifyShield)
{
var extend = DsSet.Settings.ExtendFit ? 2 : 1;
var fortify = DsSet.Settings.FortifyShield ? 3 : 1;
var size = expandedAabb.HalfExtents.Max() * fortify;
var scaler = 4;
if (shieldGrid.GridSizeEnum == MyCubeSize.Small && !DsSet.Settings.ExtendFit)
{
scaler = 5;
}
var vectorSize = new Vector3D(size, size, size);
var fudge = shieldGrid.GridSize * scaler * extend;
var extentsDiff = DsState.State.GridHalfExtents.LengthSquared() - vectorSize.LengthSquared();
if (extentsDiff < -1 || extentsDiff > 1 || DsState.State.GridHalfExtents == Vector3D.Zero || !fudge.Equals(DsState.State.ShieldFudge))
{
DsState.State.GridHalfExtents = vectorSize;
}
DsState.State.ShieldFudge = fudge;
}
else
{
var blockHalfSize = MyGrid.GridSize * 0.5;
DsState.State.ShieldFudge = 0f;
var extentsDiff = DsState.State.GridHalfExtents.LengthSquared() - expandedAabb.HalfExtents.LengthSquared();
var overThreshold = extentsDiff <-blockHalfSize || extentsDiff> blockHalfSize;
if (overThreshold || DsState.State.GridHalfExtents == Vector3D.Zero)
{
DsState.State.GridHalfExtents = expandedAabb.HalfExtents;
}
}
_halfExtentsChanged = !DsState.State.GridHalfExtents.Equals(_oldGridHalfExtents);
if (_halfExtentsChanged)
{
_adjustShape = true;
}
}
public void CreateHalfExtents(bool forceUpdate = false, bool growOnly = false)
{
_oldGridHalfExtents = DsState.State.GridHalfExtents;
var myAabb = MyGrid.PositionComp.LocalAABB;
var shieldGrid = MyGrid;
var expandedAabb = myAabb;
if (ShieldComp.SubGrids.Count > 1)
{
foreach (var grid in ShieldComp.SubGrids.Keys)
{
using (grid.Pin())
{
if (grid == shieldGrid || grid.MarkedForClose)
{
continue;
}
var shieldMatrix = shieldGrid.PositionComp.WorldMatrixNormalizedInv;
var gQuaternion = Quaternion.CreateFromRotationMatrix(grid.WorldMatrix);
var gOriBBoxD = new MyOrientedBoundingBox(grid.PositionComp.WorldAABB.Center, grid.PositionComp.LocalAABB.HalfExtents, gQuaternion);
gOriBBoxD.Transform(shieldMatrix);
expandedAabb.Include(gOriBBoxD.GetAABB());
}
}
}
if (DsSet.Settings.SphereFit || DsSet.Settings.FortifyShield)
{
var fortify = DsSet.Settings.FortifyShield ? 3 : 1;
var fit = (float)UtilsStatic.GetFit(DsSet.Settings.Fit) * 0.5f;
var scaler = 4f;
if (shieldGrid.GridSizeEnum == MyCubeSize.Small && DsSet.Settings.Fit < 15)
{
scaler = 5;
}
var size = (expandedAabb.HalfExtents.Max() * fortify) * fit;
var vectorSize = new Vector3D(size, size, size);
var fudge = shieldGrid.GridSize * scaler;
var extentsDiff = DsState.State.GridHalfExtents.LengthSquared() - vectorSize.LengthSquared();
if (extentsDiff < -1 || extentsDiff > 1 || DsState.State.GridHalfExtents == Vector3D.Zero || !fudge.Equals(DsState.State.ShieldFudge))
{
DsState.State.GridHalfExtents = vectorSize;
}
DsState.State.ShieldFudge = fudge;
}
else
{
var offset = MyGrid.GridSize * 0.01;
DsState.State.ShieldFudge = 0f;
var extentsDiff = DsState.State.GridHalfExtents.Length() - expandedAabb.HalfExtents.Length();
var overThreshold = extentsDiff <-offset || extentsDiff> offset || forceUpdate; //first grow, second shrink
if (overThreshold || DsState.State.GridHalfExtents == Vector3D.Zero)
{
DsState.State.GridHalfExtents = expandedAabb.HalfExtents;
}
}
_halfExtentsChanged = !DsState.State.GridHalfExtents.Equals(_oldGridHalfExtents) || (DsSet.Settings.SphereFit || DsSet.Settings.FortifyShield) && SettingsUpdated;
if (_halfExtentsChanged || SettingsUpdated)
{
_adjustShape = true;
}
}