private void DestroyGrid(ref MyPhysics.MyContactPointEvent value, MyCubeGrid grid)
{
MyGridContactInfo info = new MyGridContactInfo(ref value.ContactPointEvent, grid);
info.EnableDeformation = false;
info.EnableParticles = false;
HkBreakOffPointInfo breakInfo = new HkBreakOffPointInfo()
{
ContactPoint = value.ContactPointEvent.ContactPoint,
ContactPosition = info.ContactPosition,
ContactPointProperties = value.ContactPointEvent.ContactProperties,
IsContact = true,
BreakingImpulse = grid.Physics.Shape.BreakImpulse,
CollidingBody = value.ContactPointEvent.Base.BodyA == grid.Physics.RigidBody ? value.ContactPointEvent.Base.BodyB : value.ContactPointEvent.Base.BodyA,
ContactPointDirection = value.ContactPointEvent.Base.BodyB == grid.Physics.RigidBody ? -1 : 1,
};
grid.Physics.PerformMeteoritDeformation(ref breakInfo, value.ContactPointEvent.SeparatingVelocity);
m_closeAfterSimulation = Sync.IsServer;
}
private void DestroyGrid(ref MyPhysics.MyContactPointEvent value, MyCubeGrid grid)
{
MyGridContactInfo info = new MyGridContactInfo(ref value.ContactPointEvent, grid);
info.EnableDeformation = false;
info.EnableParticles = false;
HkBreakOffPointInfo breakInfo = new HkBreakOffPointInfo()
{
ContactPoint = value.ContactPointEvent.ContactPoint,
ContactPosition = info.ContactPosition,
ContactPointProperties = value.ContactPointEvent.ContactProperties,
IsContact = true,
BreakingImpulse = grid.Physics.Shape.BreakImpulse,
CollidingBody = value.ContactPointEvent.Base.BodyA == grid.Physics.RigidBody ? value.ContactPointEvent.Base.BodyB : value.ContactPointEvent.Base.BodyA,
ContactPointDirection = value.ContactPointEvent.Base.BodyB == grid.Physics.RigidBody ? -1 : 1,
};
grid.Physics.PerformMeteoritDeformation(ref breakInfo, value.ContactPointEvent.SeparatingVelocity);
m_closeAfterSimulation = Sync.IsServer;
}
public void PerformMeteoritDeformation(ref HkBreakOffPointInfo pt, float separatingVelocity)
{
ProfilerShort.Begin("PerformDeformation");
Debug.Assert(Sync.IsServer, "Function PerformDeformation should not be called from client");
// Calculate deformation offset
float deformationOffset = 0.3f + Math.Max(0, ((float)Math.Sqrt(Math.Abs(separatingVelocity) + Math.Pow(pt.CollidingBody.Mass, 0.72))) / 10);
deformationOffset *= 6;
const float maxDeformationHardLimit = 5; // Max offset is 5 for meteors
deformationOffset = Math.Min(deformationOffset, maxDeformationHardLimit);
float softAreaPlanar = (float)Math.Pow(pt.CollidingBody.Mass, 0.15f);
softAreaPlanar -= 0.3f;
softAreaPlanar *= m_grid.GridSizeEnum == MyCubeSize.Large ? 4 : 1f; // About 4 meters for large grid and 1m for small
float softAreaVertical = deformationOffset;
softAreaVertical *= m_grid.GridSizeEnum == MyCubeSize.Large ? 1 : 0.2f;
var invWorld = m_grid.PositionComp.GetWorldMatrixNormalizedInv();
var pos = Vector3D.Transform(pt.ContactPosition, invWorld);
var normal = Vector3.TransformNormal(pt.ContactPoint.Normal, invWorld) * pt.ContactPointDirection;
bool destroyed = ApplyDeformation(deformationOffset, softAreaPlanar, softAreaVertical, pos, normal, MyDamageType.Deformation, 0, m_grid.GridSizeEnum == MyCubeSize.Large ? 0.6f : 0.16f);
MyPhysics.CastRay(pt.ContactPoint.Position, pt.ContactPoint.Position - softAreaVertical * Vector3.Normalize(pt.ContactPoint.Normal), m_hitList);
foreach (var hit in m_hitList)
{
var entity = hit.HkHitInfo.Body.GetEntity();
if (entity != m_grid.Components && entity is MyCubeGrid)
{
var grid = entity as MyCubeGrid;
invWorld = grid.PositionComp.GetWorldMatrixNormalizedInv();
pos = Vector3D.Transform(pt.ContactPosition, invWorld);
normal = Vector3.TransformNormal(pt.ContactPoint.Normal, invWorld) * pt.ContactPointDirection;
grid.Physics.ApplyDeformation(deformationOffset,
softAreaPlanar * (m_grid.GridSizeEnum == grid.GridSizeEnum ? 1 : grid.GridSizeEnum == MyCubeSize.Large ? 2 : 0.25f),
softAreaVertical * (m_grid.GridSizeEnum == grid.GridSizeEnum ? 1 : grid.GridSizeEnum == MyCubeSize.Large ? 2.5f : 0.2f),
pos, normal, MyDamageType.Deformation, 0, grid.GridSizeEnum == MyCubeSize.Large ? 0.6f : 0.16f);
}
}
m_hitList.Clear();
float explosionRadius = Math.Max(m_grid.GridSize, deformationOffset * (m_grid.GridSizeEnum == MyCubeSize.Large ? 0.25f : 0.05f));
if (explosionRadius > 0 && deformationOffset > m_grid.GridSize / 2 && destroyed)
{
var info = new ExplosionInfo()
{
Position = pt.ContactPosition,
ExplosionType = MyExplosionTypeEnum.GRID_DESTRUCTION,
Radius = explosionRadius,
ModelDebris = destroyed,
};
m_explosions.Add(info);
}
else
{
AddCollisionEffect(pt.ContactPosition, normal);
}
ProfilerShort.End();
}
private void PerformDeformation(ref HkBreakOffPointInfo pt, bool fromBreakParts, float separatingVelocity)
{
ProfilerShort.Begin("PerformDeformation");
Debug.Assert(Sync.IsServer, "Function PerformDeformation should not be called from client");
var mass = this.Mass;
if (IsStatic)
{
mass = pt.CollidingBody.Mass;
}
float velocity = separatingVelocity;
float deltaV = pt.BreakingImpulse / mass;
// Calculate deformation offset
float deformationOffset = 0.3f + Math.Max(0, (Math.Abs(velocity) - deltaV) / 15);
deformationOffset *= 2;
deformationOffset *= MyFakes.DEFORMATION_RATIO;
const float maxDeformationHardLimit = 25;
// Happens during copy pasting
//Debug.Assert(deformationOffset < maxDeformationHardLimit, "Deformation is bigger than maximum.");
deformationOffset = Math.Min(deformationOffset, maxDeformationHardLimit);
float explosionRadius = Math.Max(m_grid.GridSize, deformationOffset);
MyEntity otherEntity = pt.CollidingBody.GetEntity() as MyEntity;
bool hitVoxel = otherEntity is MyVoxelMap;
if (hitVoxel)
{
// Hardness from 0 to 1
float hardness = 0.0f;
deformationOffset *= 1 + hardness;
explosionRadius *= 1 - hardness;
}
float softAreaPlanar = m_grid.GridSizeEnum == MyCubeSize.Large ? 4 : 1.2f; // About 4 meters for large grid and 1.2m for small
float softAreaVertical = 2 * deformationOffset;
var invWorld = m_grid.PositionComp.GetWorldMatrixNormalizedInv();
var pos = Vector3D.Transform(pt.ContactPosition, invWorld);
var normal = Vector3D.TransformNormal(pt.ContactPoint.Normal, invWorld) * pt.ContactPointDirection;
bool destroyed = ApplyDeformation(deformationOffset, softAreaPlanar, softAreaVertical, pos, normal, MyDamageType.Deformation);
if (explosionRadius > 0 && deformationOffset > m_grid.GridSize / 2 && destroyed)
{
var info = new ExplosionInfo()
{
Position = pt.ContactPosition,
//ExplosionType = destroyed ? MyExplosionTypeEnum.GRID_DESTRUCTION : MyExplosionTypeEnum.GRID_DEFORMATION,
ExplosionType = MyExplosionTypeEnum.GRID_DESTRUCTION,
Radius = explosionRadius,
ModelDebris = destroyed,
};
m_explosions.Add(info);
}
else
{
//cannot be here since its onlyexecuted on server
//AddCollisionEffect(pt.ContactPoint.Position, normal);
}
ProfilerShort.End();
}
private bool BreakAtPoint(ref HkBreakOffPointInfo pt, ref HkArrayUInt32 brokenKeysOut)
{
return true;
}
private bool PerformDeformation(ref HkBreakOffPointInfo pt, bool fromBreakParts, float separatingVelocity, MyEntity otherEntity)
{
if (!m_grid.BlocksDestructionEnabled)
return false;
ProfilerShort.Begin("PerformDeformation");
Debug.Assert(Sync.IsServer, "Function PerformDeformation should not be called from client");
var mass = this.Mass;
if (IsStatic)
{
mass = pt.CollidingBody.Mass;
}
float velocity = separatingVelocity;
float deltaV = pt.BreakingImpulse / mass;
// Calculate deformation offset
float deformationOffset = 0.3f + Math.Max(0, (Math.Abs(velocity) - deltaV) / 15);
deformationOffset *= 3;
deformationOffset *= MyFakes.DEFORMATION_RATIO;
const float maxDeformationHardLimit = 20;
// Happens during copy pasting
//Debug.Assert(deformationOffset < maxDeformationHardLimit, "Deformation is bigger than maximum.");
deformationOffset = Math.Min(deformationOffset, maxDeformationHardLimit);
float explosionRadius = Math.Max(m_grid.GridSize, deformationOffset);
explosionRadius = Math.Min(explosionRadius, 10);
bool hitVoxel = otherEntity is MyVoxelBase;
if (hitVoxel)
{
// Hardness from 0 to 1
float hardness = 0.0f;
deformationOffset *= 1 + hardness;
explosionRadius *= 1 - hardness;
}
float softAreaPlanar = m_grid.GridSizeEnum == MyCubeSize.Large ? 4 : 1.2f; // About 4 meters for large grid and 1.2m for small
float softAreaVertical = 1.5f * deformationOffset;
var invWorld = m_grid.PositionComp.WorldMatrixNormalizedInv;
var pos = Vector3D.Transform(pt.ContactPosition, invWorld);
var velAtPoint = GetVelocityAtPoint(pt.ContactPosition);
if (!velAtPoint.IsValid() || velAtPoint == Vector3.Zero)
velAtPoint = pt.ContactPoint.Normal;
var len = velAtPoint.Normalize();
Vector3 normal;
if (len > 5)
{
normal = Vector3.TransformNormal(velAtPoint, invWorld) * pt.ContactPointDirection;
normal.Normalize();
}
else
normal = pt.ContactPointDirection * pt.ContactPoint.Normal;
int destroyed = ApplyDeformation(deformationOffset, softAreaPlanar, softAreaVertical, pos, normal, MyDamageType.Deformation, attackerId: otherEntity != null ? otherEntity.EntityId : 0);
if (destroyed != 0)
{
if (len > 1)
len = len / 10;
RigidBody.ApplyPointImpulse(-velAtPoint *0.3f* Math.Min(destroyed * len * (Mass / 5), Mass * 5), pt.ContactPoint.Position);
RigidBody.Gravity = Vector3.Zero;
DisableGravity = 1;
}
if (explosionRadius > 0 && deformationOffset > m_grid.GridSize / 2 && destroyed != 0)
{
var info = new ExplosionInfo()
{
Position = pt.ContactPosition + pt.ContactPointDirection * pt.ContactPoint.Normal * explosionRadius * 0.5f,
//ExplosionType = destroyed ? MyExplosionTypeEnum.GRID_DESTRUCTION : MyExplosionTypeEnum.GRID_DEFORMATION,
ExplosionType = MyExplosionTypeEnum.GRID_DESTRUCTION,
Radius = explosionRadius,
ShowParticles = (otherEntity is MyVoxelPhysics) == false && (otherEntity is MyTrees) == false,
GenerateDebris = true
};
m_explosions.Add(info);
}
else
{
//cannot be here since its onlyexecuted on server
//AddCollisionEffect(pt.ContactPoint.Position, normal);
}
ProfilerShort.End();
return destroyed != 0;
}
private bool PerformDeformationOnGroup(MyEntity entity, MyEntity other, ref HkBreakOffPointInfo pt, float separatingVelocity)
{
bool destroyed = false;
var group = MyWeldingGroups.Static.GetGroup((MyEntity)entity);
if (group != null)
{
foreach (var node in group.Nodes)
{
if (node.NodeData.MarkedForClose)
continue;
m_tmpEntities.Add(node.NodeData);
}
foreach (var node in m_tmpEntities)
{
var gp = node.Physics as MyGridPhysics;
if (gp == null || gp.Entity.PositionComp.WorldAABB.Contains(pt.ContactPosition) == ContainmentType.Disjoint)
continue;
destroyed |= gp.PerformDeformation(ref pt, false, separatingVelocity, other as MyEntity);
}
m_tmpEntities.Clear();
}
return destroyed;
}
private bool BreakAtPoint(ref HkBreakOffPointInfo pt, ref HkArrayUInt32 brokenKeysOut)
{
//if (pt.BreakingImpulse < Shape.BreakImpulse * 0.75f && MyUtils.GetRandomInt(3) != 0)
//return false;
if(RigidBody == null || pt.CollidingBody == null)
{
VRage.Trace.MyTrace.Send(VRage.Trace.TraceWindow.Analytics, string.Format("BreakAtPoint:Breaking body {0} null", RigidBody == null ? "A" : "B"));
return false;
}
var separatingVelocity = Math.Abs(HkUtils.CalculateSeparatingVelocity(RigidBody, pt.CollidingBody, ref pt.ContactPoint));
//if (separatingVelocity < 2)
// return false;
var otherEntity = pt.CollidingBody.GetEntity(0);
if (otherEntity is Sandbox.Game.WorldEnvironment.MyEnvironmentSector) //jn:HACK //ab:HACK
return false;
if (otherEntity.GetTopMostParent() == Entity)
return false;
pt.ContactPosition = ClusterToWorld(pt.ContactPoint.Position);
var destroyed = PerformDeformationOnGroup((MyEntity)Entity, (MyEntity)otherEntity, ref pt, separatingVelocity);
pt.ContactPointDirection *= -1;
destroyed |= PerformDeformationOnGroup((MyEntity)otherEntity, (MyEntity)Entity, ref pt, separatingVelocity);
return destroyed;
}
private bool BreakAtPoint(ref HkBreakOffPointInfo pt, ref HkArrayUInt32 brokenKeysOut)
{
//if (pt.BreakingImpulse < Shape.BreakImpulse * 0.75f && MyUtils.GetRandomInt(3) != 0)
//return false;
if(RigidBody == null || pt.CollidingBody == null)
{
VRage.Trace.MyTrace.Send(VRage.Trace.TraceWindow.Analytics, string.Format("BreakAtPoint:Breaking body {0} null", RigidBody == null ? "A" : "B"));
return false;
}
var separatingVelocity = Math.Abs(HkUtils.CalculateSeparatingVelocity(RigidBody, pt.CollidingBody, ref pt.ContactPoint));
if (Math.Abs(separatingVelocity) < 2)
return false;
var otherEntity = pt.CollidingBody.GetEntity(0);
pt.ContactPosition = ClusterToWorld(pt.ContactPoint.Position);
var destroyed = false;
var group = MyWeldingGroups.Static.GetGroup((MyEntity)Entity);
if (group != null)
{
foreach (var node in group.Nodes)
{
m_tmpEntities.Add(node.NodeData);
}
foreach (var node in m_tmpEntities)
{
if (node.MarkedForClose)
continue;
var gp = node.Physics as MyGridPhysics;
if (gp == null)
continue;
destroyed |= gp.PerformDeformation(ref pt, false, separatingVelocity, otherEntity as MyEntity);
}
m_tmpEntities.Clear();
}
group = MyWeldingGroups.Static.GetGroup((MyEntity)otherEntity);
if (group != null)
{
foreach (var node in group.Nodes)
{
m_tmpEntities.Add(node.NodeData);
}
pt.ContactPointDirection *= -1;
foreach (var node in m_tmpEntities)
{
if (node.MarkedForClose)
continue;
var gp = node.Physics as MyGridPhysics;
if (gp == null)
continue;
destroyed |= gp.PerformDeformation(ref pt, false, separatingVelocity, Entity as MyEntity);
}
}
return destroyed;
}