public static bool TestBlockPlacementArea(
MyCubeGrid targetGrid,
ref MyGridPlacementSettings settings,
MyBlockOrientation blockOrientation,
MyCubeBlockDefinition blockDefinition,
ref Vector3D translation,
ref Quaternion rotation,
ref Vector3 halfExtents,
ref BoundingBoxD localAabb,
out MyCubeGrid touchingGrid,
MyEntity ignoredEntity = null,
bool ignoreFracturedPieces = false)
{
touchingGrid = null;
ProfilerShort.Begin("UseModelIntersection");
if (blockDefinition != null && blockDefinition.UseModelIntersection)
{
var model = VRage.Game.Models.MyModels.GetModelOnlyData(blockDefinition.Model);
if (model != null)
{
bool newErrorFound;
model.CheckLoadingErrors(blockDefinition.Context, out newErrorFound);
if (newErrorFound)
MyDefinitionErrors.Add(blockDefinition.Context,
"There was error during loading of model, please check log file.", TErrorSeverity.Error);
}
if (model != null && model.HavokCollisionShapes != null)
{
Matrix local;
blockOrientation.GetMatrix(out local);
Vector3 modelOffset;
Vector3.TransformNormal(ref blockDefinition.ModelOffset, ref local, out modelOffset);
translation += modelOffset;
int shapeCount = model.HavokCollisionShapes.Length;
HkShape[] shapes = new HkShape[shapeCount];
for (int q = 0; q < shapeCount; ++q)
{
shapes[q] = model.HavokCollisionShapes[q];
}
var shape = new HkListShape(shapes, shapeCount, HkReferencePolicy.None);
Quaternion q2 = Quaternion.CreateFromForwardUp(Base6Directions.GetVector(blockOrientation.Forward), Base6Directions.GetVector(blockOrientation.Up));
rotation = rotation * q2;
MyPhysics.GetPenetrationsShape(shape, ref translation, ref rotation, m_physicsBoxQueryList, MyPhysics.CollisionLayers.NoVoxelCollisionLayer);
shape.Base.RemoveReference();
}
else
{
Debug.Assert(m_physicsBoxQueryList.Count == 0, "List not cleared");
MyPhysics.GetPenetrationsBox(ref halfExtents, ref translation, ref rotation, m_physicsBoxQueryList, MyPhysics.CollisionLayers.NoVoxelCollisionLayer);
}
}
else
{
Debug.Assert(m_physicsBoxQueryList.Count == 0, "List not cleared");
MyPhysics.GetPenetrationsBox(ref halfExtents, ref translation, ref rotation, m_physicsBoxQueryList, MyPhysics.CollisionLayers.NoVoxelCollisionLayer);
}
m_lastQueryBox.HalfExtents = halfExtents;
m_lastQueryTransform = MatrixD.CreateFromQuaternion(rotation);
m_lastQueryTransform.Translation = translation;
var worldMatrix = targetGrid != null ? targetGrid.WorldMatrix : MatrixD.Identity;
ProfilerShort.BeginNextBlock("TestPlacementAreaInternal");
bool result = TestPlacementAreaInternal(targetGrid, ref settings, blockDefinition, blockOrientation, ref localAabb, ignoredEntity, ref worldMatrix, out touchingGrid, ignoreFracturedPieces: ignoreFracturedPieces);
ProfilerShort.End();
return result;
}
/// <summary>
/// Fills passed lists with mount point data, which is transformed using orientation
/// of the block.
/// </summary>
/// <param name="outMountPoints">Output buffer.</param>
/// <param name="performCorrection">True when you want to have correction performed for when rotation of fractional values would have different result than integers.</param>
public static void TransformMountPoints(List<MyCubeBlockDefinition.MountPoint> outMountPoints, MyCubeBlockDefinition def, MyCubeBlockDefinition.MountPoint[] mountPoints, ref MyBlockOrientation orientation)
{
Debug.Assert(outMountPoints != null);
outMountPoints.Clear();
if (mountPoints == null)
return;
Matrix rotation;
orientation.GetMatrix(out rotation);
var center = def.Center;
for (int i = 0; i < mountPoints.Length; ++i)
{
var mountPoint = mountPoints[i];
var mp = new MyCubeBlockDefinition.MountPoint();
var centeredStart = mountPoint.Start - center;
var centeredEnd = mountPoint.End - center;
Vector3I.Transform(ref mountPoint.Normal, ref rotation, out mp.Normal);
Vector3.Transform(ref centeredStart, ref rotation, out mp.Start);
Vector3.Transform(ref centeredEnd, ref rotation, out mp.End);
mp.ExclusionMask = mountPoint.ExclusionMask;
mp.PropertiesMask = mountPoint.PropertiesMask;
mp.Enabled = mountPoint.Enabled;
// Correction of situations when 0.5 would get transformed to -0.5, resulting in different floor() (integer 0 is transformed to 0).
var startICorrect = Vector3I.Floor(mountPoint.Start) - center;
var endICorrect = Vector3I.Floor(mountPoint.End) - center;
Vector3I.Transform(ref startICorrect, ref rotation, out startICorrect);
Vector3I.Transform(ref endICorrect, ref rotation, out endICorrect);
var startI = Vector3I.Floor(mp.Start);
var endI = Vector3I.Floor(mp.End);
var startCorrection = startICorrect - startI;
var endCorrection = endICorrect - endI;
mp.Start += startCorrection;
mp.End += endCorrection;
outMountPoints.Add(mp);
}
}
public static bool CanAddBlocks(MyCubeBlockDefinition definition, MyBlockOrientation orientation, MyCubeBlockDefinition otherDefinition, MyBlockOrientation otherOrientation)
{
Debug.Assert(MyFakes.ENABLE_COMPOUND_BLOCK_COLLISION_DUMMIES);
if (!IsCompoundEnabled(definition) || !IsCompoundEnabled(otherDefinition))
return false;
if (MyFakes.ENABLE_COMPOUND_BLOCK_COLLISION_DUMMIES)
{
Matrix thisRotation;
orientation.GetMatrix(out thisRotation);
m_tmpDummies.Clear();
GetCompoundCollisionDummies(definition, m_tmpDummies);
Matrix otherRotation;
otherOrientation.GetMatrix(out otherRotation);
m_tmpOtherDummies.Clear();
GetCompoundCollisionDummies(otherDefinition, m_tmpOtherDummies);
bool intersect = CompoundDummiesIntersect(ref thisRotation, ref otherRotation, m_tmpDummies, m_tmpOtherDummies);
m_tmpDummies.Clear();
m_tmpOtherDummies.Clear();
return !intersect;
}
// Note that this part (compound templates) is not implemented, because it will not be used in future (only dummies).
return true;
}
