public override void ContactPointCallback(ref MyGridContactInfo value)
{
//return;
var prop = value.Event.ContactProperties;
prop.Friction = Friction;
prop.Restitution = 0.5f;
value.EnableParticles = false;
value.RubberDeformation = true;
string particle = null;
if (value.CollidingEntity is MyVoxelBase && MyFakes.ENABLE_DRIVING_PARTICLES)
{
MyVoxelBase voxel = value.CollidingEntity as MyVoxelBase;
Vector3D contactPosition = value.ContactPosition;
var vmat = voxel.GetMaterialAt(ref contactPosition);
if (vmat == null) return;
MyStringHash material = MyStringHash.GetOrCompute(vmat.MaterialTypeName);
particle = MyMaterialPropertiesHelper.Static.GetCollisionEffect(MyMaterialPropertiesHelper.CollisionType.Start, m_wheelStringHash, material);
}
else if (value.CollidingEntity is MyCubeGrid && MyFakes.ENABLE_DRIVING_PARTICLES)
{
MyCubeGrid grid = value.CollidingEntity as MyCubeGrid;
MyStringHash material = grid.Physics.GetMaterialAt(value.ContactPosition);
particle = MyMaterialPropertiesHelper.Static.GetCollisionEffect(MyMaterialPropertiesHelper.CollisionType.Start, m_wheelStringHash, material);
}
if (Render != null && particle != null)
Render.TrySpawnParticle((Vector3)value.ContactPosition, value.Event.ContactPoint.Normal, particle);
}
internal override void ContactPointCallback(ref MyGridContactInfo info)
{
if (info.CollidingEntity != null && m_attachedTo == info.CollidingEntity)
{
info.EnableDeformation = false;
info.EnableParticles = false;
}
}
public override void ContactPointCallback(ref MyGridContactInfo value)
{
//return;
var prop = value.Event.ContactProperties;
prop.Friction = Friction;
prop.Restitution = 0.5f;
value.EnableParticles = false;
value.RubberDeformation = true;
}
public override void ContactPointCallback(ref MyGridContactInfo value)
{
base.ContactPointCallback(ref value);
if (m_pistonBlock == null)
return;
//if (value.CollidingEntity == m_pistonBlock.CubeGrid || value.CollidingEntity == m_pistonBlock.Subpart3)
if (value.CollidingEntity == m_pistonBlock.Subpart3)
{
value.EnableDeformation = false;
value.EnableParticles = false;
}
}
internal override void ContactPointCallback(ref MyGridContactInfo value)
{
base.ContactPointCallback(ref value);
if (value.CollidingEntity is MyDebrisBase)
{
return;
}
if (System.Math.Abs(value.Event.SeparatingVelocity) > 5 && IsFunctional)
{
if (MySession.Static.DestructibleBlocks)
{
Explode();
}
}
}
public override void ContactPointCallback(ref MyGridContactInfo value)
{
base.ContactPointCallback(ref value);
if (value.CollidingEntity is MyDebrisBase)
{
return;
}
if (System.Math.Abs(value.Event.SeparatingVelocity) > 5 && IsFunctional)
{
if (CubeGrid.BlocksDestructionEnabled)
{
Explode();
}
}
}
public override void ContactPointCallback(ref MyGridContactInfo value)
{
//return;
var prop = value.Event.ContactProperties;
prop.Friction = Friction;
prop.Restitution = 0.5f;
value.EnableParticles = false;
value.RubberDeformation = true;
if (value.CollidingEntity is MyVoxelBase && MyFakes.ENABLE_DRIVING_PARTICLES)
{
MyVoxelBase voxel = value.CollidingEntity as MyVoxelBase;
Vector3D contactPosition = value.ContactPosition;
MyStringHash material = MyStringHash.GetOrCompute(voxel.GetMaterialAt(ref contactPosition).MaterialTypeName);
MyTuple<int, ContactPropertyParticleProperties> particle = MyMaterialPropertiesHelper.Static.GetCollisionEffectAndProperties(MyMaterialPropertiesHelper.CollisionType.Start, m_wheelStringHash, material);
if (Render != null && particle.Item1 > 0)
Render.TrySpawnParticle(value.ContactPosition, particle);
}
}
void Physics_ContactPointCallback(ref Engine.Physics.MyPhysics.MyContactPointEvent e)
{
// RestoreDynamicMasses();
//if (m_frameCounter > DYNAMIC_UPDATE_DELAY)
// m_frameCounter = 0;
//else
// return;
if (m_lastFrameCollision != m_frameCounter)
DynamicWeights.Clear();
MyGridContactInfo info = new MyGridContactInfo(ref e.ContactPointEvent, m_grid);
if (info.CollidingEntity.Physics.IsStatic)
return;
float speed = info.CollidingEntity.Physics.LinearVelocity.Length();
if (speed < 0.1f)
return;
Vector3I blockPos = m_grid.WorldToGridInteger(info.ContactPosition + Vector3.Up * 0.25f);
float dot = Vector3.Dot(Vector3.Normalize(info.CollidingEntity.Physics.LinearVelocity), Vector3.Down);
float collidingMass = 0;
m_constrainedGrid.Clear();
MyCubeGrid collidingGrid = info.CollidingEntity as MyCubeGrid;
if (collidingGrid != null)
{
m_constrainedGrid.Add(collidingGrid);
AddConstrainedGrids(collidingGrid);
foreach (var grid in m_constrainedGrid)
{
collidingMass += grid.Physics.Mass;
}
}
else
{
collidingMass = info.CollidingEntity.Physics.Mass;
}
collidingMass = info.CollidingEntity is Sandbox.Game.Entities.Character.MyCharacter ? MassToSI(collidingMass) : MassToSI(MyDestructionHelper.MassFromHavok(collidingMass));
float siMass = collidingMass * MyPetaInputComponent.SI_DYNAMICS_MULTIPLIER;
//if (dot < 0) //impact from downside
// return;
float impact = siMass * speed * dot + siMass;
if (impact < 0)
return;
if (m_grid.GridSizeEnum == Common.ObjectBuilders.MyCubeSize.Large)
{
}
DynamicWeights[blockPos] = impact;
m_needsRecalc = true;
m_lastFrameCollision = m_frameCounter;
if (!m_collidingEntities.ContainsKey(info.CollidingEntity))
{
m_collidingEntities.Add(info.CollidingEntity, new CollidingEntityInfo()
{
Position = blockPos,
FrameTime = m_frameCounter
});
info.CollidingEntity.PositionComp.OnPositionChanged += PositionComp_OnPositionChanged;
}
else
m_collidingEntities[info.CollidingEntity].FrameTime = m_frameCounter;
}
public override void ContactPointCallback(ref MyGridContactInfo value)
{
var prop = value.Event.ContactProperties;
value.EnableDeformation = false;
value.EnableParticles = false;
value.RubberDeformation = false;
if (MyPerGameSettings.BallFriendlyPhysics)
{
prop.Friction = Friction;
prop.Restitution = Restitution > REAL_MAXIMUM_RESTITUTION ? REAL_MAXIMUM_RESTITUTION : Restitution;
}
}
private MyGridContactInfo ReduceVelocities(MyGridContactInfo info)
{
info.Event.AccessVelocities(0);
info.Event.AccessVelocities(1);
if (!info.CollidingEntity.Physics.IsStatic && info.CollidingEntity.Physics.Mass < 600)
info.CollidingEntity.Physics.LinearVelocity /= 2;
if (!this.IsStatic && MyDestructionHelper.MassFromHavok(Mass) < 600)
LinearVelocity /= 2;
info.Event.UpdateVelocities(0);
info.Event.UpdateVelocities(1);
return info;
}
void RigidBody_ContactPointCallback_Destruction(ref HkContactPointEvent value)
{
ProfilerShort.Begin("Grid Contact counter");
ProfilerShort.End();
MyGridContactInfo info = new MyGridContactInfo(ref value, m_grid);
if (info.IsKnown)
return;
var myBody = info.CurrentEntity.Physics.RigidBody;//value.Base.BodyA.GetEntity() == m_grid.Components ? value.Base.BodyA : value.Base.BodyB;
var myEntity = info.CurrentEntity;//value.Base.BodyA.GetEntity() == m_grid.Components ? value.Base.BodyA.GetEntity() : value.Base.BodyB.GetEntity();
// CH: DEBUG
var entity1 = value.Base.BodyA.GetEntity();
var entity2 = value.Base.BodyB.GetEntity();
var rigidBody1 = value.Base.BodyA;
var rigidBody2 = value.Base.BodyB;
if (entity1 == null || entity2 == null || entity1.Physics == null || entity2.Physics == null)
return;
if (entity1 is MyFracturedPiece && entity2 is MyFracturedPiece)
return;
info.HandleEvents();
if (rigidBody1.HasProperty(HkCharacterRigidBody.MANIPULATED_OBJECT) || rigidBody2.HasProperty(HkCharacterRigidBody.MANIPULATED_OBJECT))
return;
if (info.CollidingEntity is Sandbox.Game.Entities.Character.MyCharacter || info.CollidingEntity == null || info.CollidingEntity.MarkedForClose)
return;
if (MyFakes.ENABLE_CHARACTER_VIRTUAL_PHYSICS)
{
MyCharacter character = MySession.ControlledEntity as MyCharacter;
if (character != null && character.VirtualPhysics != null)
{
foreach (var constraint in character.VirtualPhysics.Constraints)
{
IMyEntity cstrEntityA = constraint.RigidBodyA.GetEntity();
IMyEntity cstrEntityB = constraint.RigidBodyB.GetEntity();
if (info.CurrentEntity == cstrEntityA || info.CurrentEntity == cstrEntityB || info.CollidingEntity == cstrEntityA || info.CollidingEntity == cstrEntityB)
return;
}
}
}
var grid1 = entity1 as MyCubeGrid;
var grid2 = entity2 as MyCubeGrid;
if (grid1 != null && grid2 != null && (MyCubeGridGroups.Static.Physical.GetGroup(grid1) == MyCubeGridGroups.Static.Physical.GetGroup(grid2)))
return;
ProfilerShort.Begin("Grid contact point callback");
if (Sync.IsServer)
{
var vel = Math.Abs(value.SeparatingVelocity);
bool enoughSpeed = vel > 3;
//float dot = Vector3.Dot(Vector3.Normalize(LinearVelocity), Vector3.Normalize(info.CollidingEntity.Physics.LinearVelocity));
Vector3 velocity1 = rigidBody1.GetVelocityAtPoint(info.Event.ContactPoint.Position);
Vector3 velocity2 = rigidBody2.GetVelocityAtPoint(info.Event.ContactPoint.Position);
float speed1 = velocity1.Length();
float speed2 = velocity2.Length();
Vector3 dir1 = speed1 > 0 ? Vector3.Normalize(velocity1) : Vector3.Zero;
Vector3 dir2 = speed2 > 0 ? Vector3.Normalize(velocity2) : Vector3.Zero;
float mass1 = MyDestructionHelper.MassFromHavok(rigidBody1.Mass);
float mass2 = MyDestructionHelper.MassFromHavok(rigidBody2.Mass);
float impact1 = speed1 * mass1;
float impact2 = speed2 * mass2;
float dot1withNormal = speed1 > 0 ? Vector3.Dot(dir1, value.ContactPoint.Normal) : 0;
float dot2withNormal = speed2 > 0 ? Vector3.Dot(dir2, value.ContactPoint.Normal) : 0;
speed1 *= Math.Abs(dot1withNormal);
speed2 *= Math.Abs(dot2withNormal);
bool is1Static = mass1 == 0;
bool is2Static = mass2 == 0;
bool is1Small = entity1 is MyFracturedPiece || (grid1 != null && grid1.GridSizeEnum == MyCubeSize.Small);
bool is2Small = entity2 is MyFracturedPiece || (grid2 != null && grid2.GridSizeEnum == MyCubeSize.Small);
float dot = Vector3.Dot(dir1, dir2);
float maxDestructionRadius = 0.5f;
impact1 *= info.ImpulseMultiplier;
impact2 *= info.ImpulseMultiplier;
MyHitInfo hitInfo = new MyHitInfo();
var hitPos = info.ContactPosition;
hitInfo.Normal = value.ContactPoint.Normal;
//direct hit
if (dot1withNormal < 0.0f)
{
if (entity1 is MyFracturedPiece)
impact1 /= 10;
impact1 *= Math.Abs(dot1withNormal); //respect angle of hit
if (entity2 is MyFracturedPiece)
{
}
if ((impact1 > 2000 && speed1 > 2 && !is2Small) ||
(impact1 > 500 && speed1 > 10)) //must be fast enought to destroy fracture piece (projectile)
{ //1 is big hitting
if (is2Static || impact1 / impact2 > 10)
{
hitInfo.Position = hitPos + 0.1f * hitInfo.Normal;
impact1 -= mass1;
if (grid1 != null)
{
var blockPos = GetGridPosition(value, grid1, 0);
grid1.DoDamage(impact1, hitInfo, blockPos);
}
else
MyDestructionHelper.TriggerDestruction(impact1, (MyPhysicsBody)entity1.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
hitInfo.Position = hitPos - 0.1f * hitInfo.Normal;
if (grid2 != null)
{
var blockPos = GetGridPosition(value, grid2, 1);
grid2.DoDamage(impact1, hitInfo, blockPos);
}
else
MyDestructionHelper.TriggerDestruction(impact1, (MyPhysicsBody)entity2.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
ReduceVelocities(info);
}
}
}
if (dot2withNormal < 0.0f)
{
if (entity2 is MyFracturedPiece)
impact2 /= 10;
impact2 *= Math.Abs(dot1withNormal); //respect angle of hit
if (impact2 > 2000 && speed2 > 2 && !is1Small ||
(impact2 > 500 && speed2 > 10)) //must be fast enought to destroy fracture piece (projectile)
{ //2 is big hitting
if (is1Static || impact2 / impact1 > 10)
{
hitInfo.Position = hitPos + 0.1f * hitInfo.Normal;
impact2 -= mass2;
if (grid1 != null)
{
var blockPos = GetGridPosition(value, grid1, 0);
grid1.DoDamage(impact2, hitInfo, blockPos);
}
else
MyDestructionHelper.TriggerDestruction(impact2, (MyPhysicsBody)entity1.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
hitInfo.Position = hitPos - 0.1f * hitInfo.Normal;
if (grid2 != null)
{
var blockPos = GetGridPosition(value, grid2, 1);
grid2.DoDamage(impact2, hitInfo, blockPos);
}
else
MyDestructionHelper.TriggerDestruction(impact2, (MyPhysicsBody)entity2.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
ReduceVelocities(info);
}
}
}
//float destructionImpact = vel * (MyDestructionHelper.MassFromHavok(Mass) + MyDestructionHelper.MassFromHavok(info.CollidingEntity.Physics.Mass));
//destructionImpact *= info.ImpulseMultiplier;
//if (destructionImpact > 2000 && enoughSpeed)
//{
// CreateDestructionFor(destructionImpact, LinearVelocity + info.CollidingEntity.Physics.LinearVelocity, this, info, value.ContactPoint.Normal);
// CreateDestructionFor(destructionImpact, LinearVelocity + info.CollidingEntity.Physics.LinearVelocity, info.CollidingEntity.Physics, info, value.ContactPoint.Normal);
// ReduceVelocities(info);
//}
}
ProfilerShort.End();
}
void RigidBody_ContactPointCallback(ref HkContactPointEvent value)
{
ProfilerShort.Begin("Grid Contact counter");
ProfilerShort.End();
var entity1 = value.Base.BodyA.GetEntity();
var entity2 = value.Base.BodyB.GetEntity();
if (entity1 == null || entity2 == null)
return;
//DA used to stop appliyng force when there is planet/ship collisions to increase performance after ship crashes on planet
if ((Math.Abs(value.SeparatingVelocity) < 0.3f) && (entity1 is MyTrees || entity1 is MyVoxelPhysics || entity2 is MyVoxelPhysics || entity2 is MyTrees))
{
return;
}
MyGridContactInfo info = new MyGridContactInfo(ref value, m_grid);
var myBody = value.Base.BodyA.GetEntity() == m_grid.Components ? value.Base.BodyA : value.Base.BodyB;
// CH: DEBUG
if (info.CollidingEntity is Sandbox.Game.Entities.Character.MyCharacter || info.CollidingEntity.MarkedForClose)
return;
if (MyFakes.LANDING_GEAR_IGNORE_DAMAGE_CONTACTS && MyCubeGridGroups.Static.NoContactDamage.HasSameGroupAndIsGrid(entity1, entity2))
return;
ProfilerShort.Begin("Grid contact point callback");
bool doSparks = MyPerGameSettings.EnableCollisionSparksEffect && (info.CollidingEntity is MyCubeGrid || info.CollidingEntity is MyVoxelMap);
// According to Petr, WasUsed does not work everytime
//if (value.ContactProperties.WasUsed)
{
// Handle callbacks here
info.HandleEvents();
}
bool deformationPerformed = false;
if (Sync.IsServer && value.ContactProperties.ImpulseApplied > MyGridShape.BreakImpulse && info.CollidingEntity != null && info.EnableDeformation && m_grid.BlocksDestructionEnabled)
{
float deformation = value.SeparatingVelocity;
if (info.RubberDeformation)
{
deformation /= 5;
}
HkBreakOffPointInfo breakInfo = CreateBreakOffPoint(value, info.ContactPosition, MyGridShape.BreakImpulse);
PerformDeformation(ref breakInfo, false, value.SeparatingVelocity);
deformationPerformed = true;
}
else if (doSparks && value.SeparatingVelocity > 2.0f && value.ContactProperties.WasUsed && !m_lastContacts.ContainsKey(value.ContactPointId) && info.EnableParticles)
{
m_lastContacts[value.ContactPointId] = MySandboxGame.TotalGamePlayTimeInMilliseconds;
AddCollisionEffect(info.ContactPosition, value.ContactPoint.Normal);
}
// Large dynamic ships colliding with floating objects
// When low separating velocity or deformation performed, disable contact point
// Floating object will still collide with kinematic part of ship and won't push it
if (m_grid.GridSizeEnum == MyCubeSize.Large && !myBody.IsFixedOrKeyframed && info.CollidingEntity is MyFloatingObject && (Math.Abs(value.SeparatingVelocity) < 0.2f || deformationPerformed))
{
var prop = value.ContactProperties;
prop.IsDisabled = true;
}
ProfilerShort.End();
}
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;
}
void CreateDestructionFor(float destructionImpact, Vector3 contactVelocity, MyPhysicsBody body, MyGridContactInfo info, Vector3 normal, float maxDestructionRadius)
{
if (body.BreakableBody != null)
{
float collidingMass = body.Mass == 0 ? Mass : body.Mass; //fall on voxel
float destructionRadius = Math.Min(destructionImpact / 8000, maxDestructionRadius);
float destructionImpulse = MyDestructionConstants.STRENGTH + destructionImpact / 10000;
float expandVelocity = Math.Min(destructionImpact / 10000, 3);
MyPhysics.FractureImpactDetails destruction;
HkdFractureImpactDetails details;
details = HkdFractureImpactDetails.Create();
details.SetBreakingBody(body.RigidBody);
details.SetContactPoint(WorldToCluster(info.ContactPosition));
details.SetDestructionRadius(destructionRadius);
details.SetBreakingImpulse(destructionImpulse);
details.SetParticleExpandVelocity(expandVelocity);
details.SetParticleVelocity(contactVelocity);
details.SetParticlePosition(WorldToCluster(info.ContactPosition - normal * 0.25f));
details.SetParticleMass(collidingMass);
details.ZeroCollidingParticleVelocity();
details.Flag = details.Flag | HkdFractureImpactDetails.Flags.FLAG_DONT_RECURSE | HkdFractureImpactDetails.Flags.FLAG_TRIGGERED_DESTRUCTION;
destruction = new MyPhysics.FractureImpactDetails();
destruction.Details = details;
destruction.World = HavokWorld;
destruction.ContactInWorld = info.ContactPosition;
destruction.Entity = (MyEntity)body.Entity;
MyPhysics.EnqueueDestruction(destruction);
}
}
internal override void ContactPointCallback(ref MyGridContactInfo info)
{
if (info.CollidingEntity != null && m_attachedTo == info.CollidingEntity)
{
info.EnableDeformation = false;
info.EnableParticles = false;
}
}
void RigidBody_ContactPointCallback_Destruction(ref HkContactPointEvent value)
{
ProfilerShort.Begin("Grid Contact counter");
ProfilerShort.End();
MyGridContactInfo info = new MyGridContactInfo(ref value, m_grid);
if (info.IsKnown)
return;
var myEntity = info.CurrentEntity;//value.Base.BodyA.GetEntity() == m_grid.Components ? value.Base.BodyA.GetEntity() : value.Base.BodyB.GetEntity();
if (myEntity == null || myEntity.Physics == null || myEntity.Physics.RigidBody == null)
{
return;
}
var myBody = myEntity.Physics.RigidBody;
// CH: DEBUG
var physicsBody1 = value.GetPhysicsBody(0);
var physicsBody2 = value.GetPhysicsBody(1);
if (physicsBody1 == null || physicsBody2 == null)
return;
var entity1 = physicsBody1.Entity;
var entity2 = physicsBody2.Entity;
if (entity1 == null || entity2 == null || entity1.Physics == null || entity2.Physics == null)
return;
if (entity1 is MyFracturedPiece && entity2 is MyFracturedPiece)
return;
var rigidBody1 = value.Base.BodyA;
var rigidBody2 = value.Base.BodyB;
info.HandleEvents();
if (rigidBody1.HasProperty(HkCharacterRigidBody.MANIPULATED_OBJECT) || rigidBody2.HasProperty(HkCharacterRigidBody.MANIPULATED_OBJECT))
return;
if (info.CollidingEntity is Sandbox.Game.Entities.Character.MyCharacter || info.CollidingEntity == null || info.CollidingEntity.MarkedForClose)
return;
var grid1 = entity1 as MyCubeGrid;
var grid2 = entity2 as MyCubeGrid;
// CH: TODO: This is a hack Instead, the IMyDestroyableObject should be used and the subpart DoDamage code could delegate it to the grid
// The thing is, this approach would probably need a rewrite of this whole method...
if (grid2 == null && entity2 is MyEntitySubpart)
{
while (entity2 != null && !(entity2 is MyCubeGrid))
{
entity2 = entity2.Parent;
}
if (entity2 != null)
{
physicsBody2 = entity2.Physics as MyPhysicsBody;
rigidBody2 = physicsBody2.RigidBody;
grid2 = entity2 as MyCubeGrid;
}
}
if (grid1 != null && grid2 != null && (MyCubeGridGroups.Static.Physical.GetGroup(grid1) == MyCubeGridGroups.Static.Physical.GetGroup(grid2)))
return;
ProfilerShort.Begin("Grid contact point callback");
{
var vel = Math.Abs(value.SeparatingVelocity);
bool enoughSpeed = vel > 3;
//float dot = Vector3.Dot(Vector3.Normalize(LinearVelocity), Vector3.Normalize(info.CollidingEntity.Physics.LinearVelocity));
Vector3 velocity1 = rigidBody1.GetVelocityAtPoint(info.Event.ContactPoint.Position);
Vector3 velocity2 = rigidBody2.GetVelocityAtPoint(info.Event.ContactPoint.Position);
float speed1 = velocity1.Length();
float speed2 = velocity2.Length();
Vector3 dir1 = speed1 > 0 ? Vector3.Normalize(velocity1) : Vector3.Zero;
Vector3 dir2 = speed2 > 0 ? Vector3.Normalize(velocity2) : Vector3.Zero;
float mass1 = MyDestructionHelper.MassFromHavok(rigidBody1.Mass);
float mass2 = MyDestructionHelper.MassFromHavok(rigidBody2.Mass);
float impact1 = speed1 * mass1;
float impact2 = speed2 * mass2;
float dot1withNormal = speed1 > 0 ? Vector3.Dot(dir1, value.ContactPoint.Normal) : 0;
float dot2withNormal = speed2 > 0 ? Vector3.Dot(dir2, value.ContactPoint.Normal) : 0;
speed1 *= Math.Abs(dot1withNormal);
speed2 *= Math.Abs(dot2withNormal);
bool is1Static = mass1 == 0;
bool is2Static = mass2 == 0;
bool is1Small = entity1 is MyFracturedPiece || (grid1 != null && grid1.GridSizeEnum == MyCubeSize.Small);
bool is2Small = entity2 is MyFracturedPiece || (grid2 != null && grid2.GridSizeEnum == MyCubeSize.Small);
float dot = Vector3.Dot(dir1, dir2);
float maxDestructionRadius = 0.5f;
impact1 *= info.ImpulseMultiplier;
impact2 *= info.ImpulseMultiplier;
MyHitInfo hitInfo = new MyHitInfo();
var hitPos = info.ContactPosition;
hitInfo.Normal = value.ContactPoint.Normal;
//direct hit
if (dot1withNormal < 0.0f)
{
if (entity1 is MyFracturedPiece)
impact1 /= 10;
impact1 *= Math.Abs(dot1withNormal); //respect angle of hit
if ((impact1 > 2000 && speed1 > 2 && !is2Small) ||
(impact1 > 500 && speed1 > 10)) //must be fast enought to destroy fracture piece (projectile)
{ //1 is big hitting
if (is2Static || impact1 / impact2 > 10)
{
hitInfo.Position = hitPos + 0.1f * hitInfo.Normal;
impact1 -= mass1;
if (Sync.IsServer && impact1 > 0)
{
if (grid1 != null)
{
var blockPos = GetGridPosition(value.ContactPoint, rigidBody1, grid1, 0);
grid1.DoDamage(impact1, hitInfo, blockPos, grid2 != null ? grid2.EntityId : 0);
}
else
MyDestructionHelper.TriggerDestruction(impact1, (MyPhysicsBody)entity1.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
hitInfo.Position = hitPos - 0.1f * hitInfo.Normal;
if (grid2 != null)
{
var blockPos = GetGridPosition(value.ContactPoint, rigidBody2, grid2, 1);
grid2.DoDamage(impact1, hitInfo, blockPos, grid1 != null ? grid1.EntityId : 0);
}
else
MyDestructionHelper.TriggerDestruction(impact1, (MyPhysicsBody)entity2.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
ReduceVelocities(info);
}
MyDecals.HandleAddDecal(entity1, hitInfo);
MyDecals.HandleAddDecal(entity2, hitInfo);
}
}
}
if (dot2withNormal < 0.0f)
{
if (entity2 is MyFracturedPiece)
impact2 /= 10;
impact2 *= Math.Abs(dot2withNormal); //respect angle of hit
if (impact2 > 2000 && speed2 > 2 && !is1Small ||
(impact2 > 500 && speed2 > 10)) //must be fast enought to destroy fracture piece (projectile)
{ //2 is big hitting
if (is1Static || impact2 / impact1 > 10)
{
hitInfo.Position = hitPos + 0.1f * hitInfo.Normal;
impact2 -= mass2;
if (Sync.IsServer && impact2 > 0)
{
if (grid1 != null)
{
var blockPos = GetGridPosition(value.ContactPoint, rigidBody1, grid1, 0);
grid1.DoDamage(impact2, hitInfo, blockPos, grid2 != null ? grid2.EntityId : 0);
}
else
MyDestructionHelper.TriggerDestruction(impact2, (MyPhysicsBody)entity1.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
hitInfo.Position = hitPos - 0.1f * hitInfo.Normal;
if (grid2 != null)
{
var blockPos = GetGridPosition(value.ContactPoint, rigidBody2, grid2, 1);
grid2.DoDamage(impact2, hitInfo, blockPos, grid1 != null ? grid1.EntityId : 0);
}
else
MyDestructionHelper.TriggerDestruction(impact2, (MyPhysicsBody)entity2.Physics, info.ContactPosition, value.ContactPoint.Normal, maxDestructionRadius);
ReduceVelocities(info);
}
MyDecals.HandleAddDecal(entity1, hitInfo);
MyDecals.HandleAddDecal(entity2, hitInfo);
}
}
}
//float destructionImpact = vel * (MyDestructionHelper.MassFromHavok(Mass) + MyDestructionHelper.MassFromHavok(info.CollidingEntity.Physics.Mass));
//destructionImpact *= info.ImpulseMultiplier;
//if (destructionImpact > 2000 && enoughSpeed)
//{
// CreateDestructionFor(destructionImpact, LinearVelocity + info.CollidingEntity.Physics.LinearVelocity, this, info, value.ContactPoint.Normal);
// CreateDestructionFor(destructionImpact, LinearVelocity + info.CollidingEntity.Physics.LinearVelocity, info.CollidingEntity.Physics, info, value.ContactPoint.Normal);
// ReduceVelocities(info);
//}
}
ProfilerShort.End();
}
void RigidBody_ContactPointCallback(ref HkContactPointEvent value)
{
ProfilerShort.Begin("Grid Contact counter");
ProfilerShort.End();
var otherEntity = value.GetOtherEntity(m_grid);
var otherPhysicsBody = value.GetPhysicsBody(0);
var thisEntity = m_grid;
if (otherEntity == null || thisEntity == null)
return;
//DA used to stop appliyng force when there is planet/ship collisions to increase performance after ship crashes on planet
if ((Math.Abs(value.SeparatingVelocity) < 0.3f) && (otherEntity is MyTrees || otherEntity is MyVoxelPhysics))
{
return;
}
MyGridContactInfo info = new MyGridContactInfo(ref value, m_grid);
var myBody = RigidBody;// value.Base.BodyA.GetEntity() == m_grid.Components ? value.Base.BodyA : value.Base.BodyB;
if (info.CollidingEntity is Sandbox.Game.Entities.Character.MyCharacter || info.CollidingEntity.MarkedForClose)
return;
if (MyFakes.LANDING_GEAR_IGNORE_DAMAGE_CONTACTS && MyCubeGridGroups.Static.NoContactDamage.HasSameGroupAndIsGrid(otherEntity, thisEntity))
return;
ProfilerShort.Begin("Grid contact point callback");
bool hitVoxel = info.CollidingEntity is MyVoxelMap || info.CollidingEntity is MyVoxelPhysics;
if(hitVoxel && m_grid.Render != null) {
m_grid.Render.ResetLastVoxelContactTimer();
}
bool doSparks = MyPerGameSettings.EnableCollisionSparksEffect && (info.CollidingEntity is MyCubeGrid || hitVoxel);
// According to Petr, WasUsed does not work everytime
//if (value.ContactProperties.WasUsed)
{
// Handle callbacks here
info.HandleEvents();
}
if(MyDebugDrawSettings.DEBUG_DRAW_FRICTION)
{
var pos = ClusterToWorld(value.ContactPoint.Position);
var vel = -GetVelocityAtPoint(pos);
vel *= 0.1f;
var fn = Math.Abs(Gravity.Dot(value.ContactPoint.Normal) * value.ContactProperties.Friction);
if (vel.Length() > 0.5f)
{
vel.Normalize();
MyRenderProxy.DebugDrawArrow3D(pos, pos + fn * vel, Color.Gray, Color.Gray, false);
}
}
if (doSparks && Math.Abs(value.SeparatingVelocity) > 2.0f && value.ContactProperties.WasUsed && !m_lastContacts.ContainsKey(value.ContactPointId) && info.EnableParticles)
{
ProfilerShort.Begin("AddCollisionEffect");
m_lastContacts[value.ContactPointId] = MySandboxGame.TotalGamePlayTimeInMilliseconds;
AddCollisionEffect(info.ContactPosition, value.ContactPoint.Normal);
ProfilerShort.End();
}
ProfilerShort.Begin("Dust");
bool doDust = MyPerGameSettings.EnableCollisionSparksEffect && hitVoxel;
float force = Math.Abs(value.SeparatingVelocity * (Mass / 100000));
if (doDust && force > 0.25f && info.EnableParticles)
{
float scale = MathHelper.Clamp(force / 10.0f, 0.2f, 4.0f);
AddDustEffect(info.ContactPosition, scale);
}
ProfilerShort.End();
// Large dynamic ships colliding with floating objects
// When low separating velocity or deformation performed, disable contact point
// Floating object will still collide with kinematic part of ship and won't push it
if (m_grid.GridSizeEnum == MyCubeSize.Large && !myBody.IsFixedOrKeyframed && info.CollidingEntity is MyFloatingObject && (Math.Abs(value.SeparatingVelocity) < 0.2f))
{
var prop = value.ContactProperties;
prop.IsDisabled = true;
}
ProfilerShort.End();
}
public override void ContactPointCallback(ref MyGridContactInfo value)
{
base.ContactPointCallback(ref value);
if (value.CollidingEntity is MyDebrisBase)
return;
if (System.Math.Abs(value.Event.SeparatingVelocity) > 5 && IsFunctional)
{
if (CubeGrid.BlocksDestructionEnabled)
Explode();
}
}
internal override void ContactPointCallback(ref MyGridContactInfo value)
{
base.ContactPointCallback(ref value);
if (value.CollidingEntity is MyDebrisBase)
return;
if (System.Math.Abs(value.Event.SeparatingVelocity) > 5 && IsFunctional)
{
if (MySession.Static.DestructibleBlocks)
Explode();
}
}