private ICollide CheckCollision()
{
ICollide retVal = null;
// If I'm not colliding with myself or an object of my same type, return that object
if (collidables.Count > 1)
{
foreach (var item in collidables)
{
if (this.colliderRectangle.IntersectsWith(item.Value) && item.Key.GetType() != this.parentObject.GetType())
{
return(item.Key);
}
}
//try
//{
// // retVal = collidables.Where(p => p.Value.IntersectsWith(this.colliderRectangle) && p.Key.GetType() != this.parentObject.GetType()).First().Key;
//}
//catch (InvalidOperationException)
//{
// retVal = null;
//}
}
return(retVal);
}
protected override void Collided(ICollide otherObject)
{
if (otherObject is Ship ship)
{
var fleet = ship.Fleet;
if (CarriedBy == null && fleet != null && !(fleet.Owner is Robot))
{
if (fleet.Owner.Color == Team.ColorName)
{
ReturnToBase();
}
else
{
CarriedBy = fleet;
if (CarriedBy != null)
{
CarriedBy.Burden = World.Hook.CTFCarryBurden;
}
}
}
}
base.Collided(otherObject);
}
public void Move(Vector3 movement, float moveDelta = 1f)
{
movement *= moveDelta;
Transform current = GetTransform();
Transform destination = current;
destination.Translated(movement);
Vector3 delta = destination.origin - current.origin;
KinematicCollision collision = MoveAndCollide(delta);
if (collision != null && collision.Collider != null)
{
ICollide collider = collision.Collider as ICollide;
if (collider != null)
{
Node colliderNode = collider as Node;
collider.OnCollide(this as object);
}
}
if (!grounded && collision != null && collision.Position.y < GetTranslation().y)
{
if (gravityVelocity < 0)
{
grounded = true;
gravityVelocity = 0f;
}
}
}
public static void CollideTV(DbvtNode root, ref DbvtAabbMm volume, ICollide collideable)
{
CollideTVCount++;
Debug.Assert(CollideTVCount < 2);
CollideTVStack.Clear();
if (root != null)
{
CollideTVStack.Push(root);
do
{
DbvtNode n = CollideTVStack.Pop();
if (DbvtAabbMm.Intersect(ref n.volume, ref volume))
{
if (n.IsInternal())
{
CollideTVStack.Push(n._children[0]);
CollideTVStack.Push(n._children[1]);
}
else
{
collideable.Process(n);
}
}
} while (CollideTVStack.Count > 0);
}
CollideTVCount--;
}
public void Collide(float s, PhysicsGroupType groupType, ICollide other)
{
if (groupType == PhysicsGroupType.Physical)
{
for (int i = bullets.Count - 1; i >= 0; i--)
{
Circle bullet = bullets[i];
CollisionResult bulletCollision = other.Collide(s, groupType, bullet, bulletIdentity);
if (bulletCollision)
{
bullets.RemoveAt(i);
//bullet.Position = bulletCollision.PositionB;
//bullet.Velocity = bulletCollision.VelocityB;
}
}
CollisionResult result = other.Collide(s, groupType, collision, null);
if (result)
{
if (collisionResult)
{
collisionResult.PositionA = collision.Position;
collisionResult.VelocityA = Vector2.Zero;
}
else
{
collisionResult = result;
}
takeDamage(result.Identity);
}
}
}
/// <summary>
/// Controleert of we de rechterkant van de static sprite aanraken
/// </summary>
/// <param name="staticObject">static collision object</param>
/// <param name="movingCollision">bewegend collision object</param>
/// <returns>returned true als het bewegend object de rechterkant van het static object aanraakt</returns>
private bool IsTouchingRight(ICollide staticObject, IMovingCollide movingCollision)
{
return(movingCollision.CollisionRectangle.Left + movingCollision.Velocity.X < staticObject.CollisionRectangle.Right &&
movingCollision.CollisionRectangle.Right > staticObject.CollisionRectangle.Right &&
movingCollision.CollisionRectangle.Bottom > staticObject.CollisionRectangle.Top &&
movingCollision.CollisionRectangle.Top < staticObject.CollisionRectangle.Bottom);
}
/// <summary>
/// Controleert of we de onderkant raken van de static sprite
/// </summary>
/// <param name="staticObject">static collision object</param>
/// <param name="movingCollision">bewegend collision object</param>
/// <returns>returned true als het bewegend object de onderkant van het static object aanraakt</returns>
private bool IsTouchingBottom(ICollide staticObject, IMovingCollide movingCollision)
{
return(movingCollision.CollisionRectangle.Top + movingCollision.Velocity.Y < staticObject.CollisionRectangle.Bottom &&
movingCollision.CollisionRectangle.Bottom > staticObject.CollisionRectangle.Bottom &&
movingCollision.CollisionRectangle.Right > staticObject.CollisionRectangle.Left &&
movingCollision.CollisionRectangle.Left < staticObject.CollisionRectangle.Right);
}
public bool CheckEnemyPlayerCollision(ICollide PlayerCollisionRectangle, ICollide EnemyCollisionRectangle)
{
if (PlayerCollisionRectangle.GetCollisionRectangle().Intersects(EnemyCollisionRectangle.GetCollisionRectangle()))
{
return(true);
}
return(false);
}
//Pixel Collision
public void checkPixelCollision(ICollide object1, ICollide object2)
{
if (getColorData(object1.getTexture(), object1.getSourceRect(), object2.getTexture(), object2.getSourceRect(), object1.getCollisionRect(), object2.getCollisionRect()))
{
object1.setOldPos();
object2.setOldPos();
}
}
public bool CheckCollider(ICollide source, ICollide target)
{
if (source.CollisionRectangle.Intersects(target.CollisionRectangle))
{
return(true);
}
return(false);
}
// I need only the location now, but i'll leave it for simplicity
public Collider(ICollide obj, Rectangle colliderRectangle)
{
// Set the start location of the collider
if (obj == null)
throw new NullReferenceException("Parent object is null");
this.parentObject = obj;
this.colliderRectangle = colliderRectangle;
collidables.Add(obj, colliderRectangle);
}
public static void EnumNodes(DbvtNode root, ICollide collideable)
{
collideable.Process(root);
if (root.IsInternal())
{
EnumNodes(root._children[0], collideable);
EnumNodes(root._children[1], collideable);
}
}
public static void collideTT(Node root0, Node root1, Dispatcher dispatcher, ICollide policy)
{
if (root0 != null && root1 != null)
{
List <sStkNN> stack = new List <sStkNN>(DOUBLE_STACKSIZE);
stack.Add(new sStkNN(root0, root1));
do
{
sStkNN p = stack[stack.Count - 1];
stack.RemoveAt(stack.Count - 1);
if (p.a == p.b)
{
if (p.a.isinternal())
{
stack.Add(new sStkNN(p.a.childs[0], p.a.childs[0]));
stack.Add(new sStkNN(p.a.childs[1], p.a.childs[1]));
stack.Add(new sStkNN(p.a.childs[0], p.a.childs[1]));
}
}
else if (DbvtAabbMm.Intersect(p.a.volume, p.b.volume))
{
if (p.a.isinternal())
{
if (p.b.isinternal())
{
stack.Add(new sStkNN(p.a.childs[0], p.b.childs[0]));
stack.Add(new sStkNN(p.a.childs[1], p.b.childs[0]));
stack.Add(new sStkNN(p.a.childs[0], p.b.childs[1]));
stack.Add(new sStkNN(p.a.childs[1], p.b.childs[1]));
}
else
{
stack.Add(new sStkNN(p.a.childs[0], p.b));
stack.Add(new sStkNN(p.a.childs[1], p.b));
}
}
else
{
if (p.b.isinternal())
{
stack.Add(new sStkNN(p.a, p.b.childs[0]));
stack.Add(new sStkNN(p.a, p.b.childs[1]));
}
else
{
if (!dispatcher.needsCollision(p.a.data.collisionFilterGroup, p.a.data.collisionFilterMask, p.b.data.collisionFilterGroup, p.b.data.collisionFilterMask))
{
continue;
}
policy.Process(p.a, p.b);
}
}
}
}while (stack.Count > 0);
}
}
// I need only the location now, but i'll leave it for simplicity
public Collider(ICollide obj, Rectangle colliderRectangle)
{
// Set the start location of the collider
if (obj == null)
{
throw new NullReferenceException("Parent object is null");
}
this.parentObject = obj;
this.colliderRectangle = colliderRectangle;
collidables.Add(obj, colliderRectangle);
}
public int CheckEnemyPlayerProjectileHit(ICollide EnemyCollisionRectangle)
{
for (int i = 0; i < projectileCollisionObjecten.Count; i++)
{
if (EnemyCollisionRectangle.GetCollisionRectangle().Intersects(projectileCollisionObjecten[i].GetCollisionRectangle()))
{
return(i);
}
}
return(-1);
}
private void CollideBulletsSimple(float s, ICollide other, PhysicsGroupType groupType, List <Circle> list, CollisionIdentity identity, List <Circle> removalList)
{
for (int i = list.Count - 1; i >= 0; i--)
{
Circle c = list[i];
CollisionResult collisionResult = other.Collide(s, groupType, c, identity);
if (collisionResult)
{
removalList.Add(c);
}
}
}
protected override void Collided(ICollide otherObject)
{
var ship = otherObject as Ship;
var fleet = ship?.Fleet;
if (fleet != null && fleet != ExcludedFleet)
{
EquipFleet(fleet);
Randomize();
}
base.Collided(otherObject);
}
/// <summary>
/// Constructs a real functioning collider
/// </summary>
/// <param name="obj">Object holding the collider</param>
/// <param name="colliderRectangle">Dimensions of the collider</param>
public Collider(ICollide obj, Rectangle colliderRectangle)
{
// Set the start location of the collider
if (obj == null)
{
throw new NullReferenceException("Parent object is null");
}
this.parentObject = obj;
this.colliderRectangle = colliderRectangle;
// Set the collider to active and check collision
this.Active = true;
}
public void RayTestInternal(DbvtNode root,
ref IndexedVector3 rayFrom,
ref IndexedVector3 rayTo,
ref IndexedVector3 rayDirectionInverse,
bool[] signs,
float lambda_max,
ref IndexedVector3 aabbMin,
ref IndexedVector3 aabbMax,
ICollide policy)
{
using (DbvtStackDataBlock stackDataBlock = BulletGlobals.DbvtStackDataBlockPool.Get())
{
// (void) rayTo;
//DBVT_CHECKTYPE
if (root != null)
{
IndexedVector3 resultNormal = new IndexedVector3(0, 1, 0);
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 2;
stackDataBlock.stack[0] = root;
do
{
DbvtNode node = stackDataBlock.stack[--depth];
stackDataBlock.bounds[0] = node.volume.Mins() - aabbMax;
stackDataBlock.bounds[1] = node.volume.Maxs() - aabbMin;
float tmin = 1.0f, lambda_min = 0.0f;
bool result1 = AabbUtil2.RayAabb2(ref rayFrom, ref rayDirectionInverse, signs, stackDataBlock.bounds, out tmin, lambda_min, lambda_max);
if (result1)
{
if (node.IsInternal())
{
if (depth > treshold)
{
stackDataBlock.stack.Resize(stackDataBlock.stack.Count * 2);
treshold = stackDataBlock.stack.Count - 2;
}
stackDataBlock.stack[depth++] = node._children[0];
stackDataBlock.stack[depth++] = node._children[1];
}
else
{
policy.Process(node);
}
}
} while (depth != 0);
}
}
}
//Map Collision Prüfen
public void checkMapCollision(ICollide collObject)
{
for (int i = 0; i < map._layerCount; i++)
{
foreach (Tile tile in map.layerList[i])
{
if (tile._passable == false)
{
if (tile.destiRect.Intersects(collObject.getCollisionRect()))
{
collObject.setOldPos();
}
}
}
}
}
/// <summary>
/// Maken van een lijst van beweegbare objecten uit de collisionlijst
/// </summary>
private void MakeLists()
{
charactersList.Add(hero);
foreach (ICollide temp in CollisionItemList.ToList())
{
if (temp is Enemy)
{
charactersList.Add((IMoveableObject)temp);
}
else if (temp is INextLevelTile)
{
nextlevelObject = temp;
CollisionItemList.Remove(temp);
}
}
}
public void CheckCollisions(ICollide myCollisionRectangle)
{
BottomCollisions = new List <ICollide>();
RightCollisions = new List <ICollide>();
LeftCollisions = new List <ICollide>();
TopCollisions = new List <ICollide>();
for (int i = 0; i < mogelijkeCollisionObjecten.Count; i++)
{
//Check bottom
if (myCollisionRectangle.GetCollisionRectangle().Bottom >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Top - 5 &&
myCollisionRectangle.GetCollisionRectangle().Bottom <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Top + (mogelijkeCollisionObjecten[i].GetCollisionRectangle().Height / 2) &&
myCollisionRectangle.GetCollisionRectangle().Right >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Left + 5 &&
myCollisionRectangle.GetCollisionRectangle().Left <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Right - 5)
{
BottomCollisions.Add(mogelijkeCollisionObjecten[i]);
BottomCollisionHeight = mogelijkeCollisionObjecten[i].GetCollisionRectangle().Top;
}
//Check right
if (myCollisionRectangle.GetCollisionRectangle().Right >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Left - 2 &&
myCollisionRectangle.GetCollisionRectangle().Right <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Left + 2 &&
myCollisionRectangle.GetCollisionRectangle().Bottom >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Top + 8 &&
myCollisionRectangle.GetCollisionRectangle().Top <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Bottom - 8)
{
RightCollisions.Add(mogelijkeCollisionObjecten[i]);
}
// Check left
if (myCollisionRectangle.GetCollisionRectangle().Left >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Right - 2 &&
myCollisionRectangle.GetCollisionRectangle().Left <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Right + 2 &&
myCollisionRectangle.GetCollisionRectangle().Bottom >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Top + 8 &&
myCollisionRectangle.GetCollisionRectangle().Top <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Bottom - 8)
{
LeftCollisions.Add(mogelijkeCollisionObjecten[i]);
}
//Check top
if (myCollisionRectangle.GetCollisionRectangle().Top <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Bottom + 5 &&
myCollisionRectangle.GetCollisionRectangle().Top >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Bottom - (mogelijkeCollisionObjecten[i].GetCollisionRectangle().Height / 2) &&
myCollisionRectangle.GetCollisionRectangle().Right >= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Left + 5 &&
myCollisionRectangle.GetCollisionRectangle().Left <= mogelijkeCollisionObjecten[i].GetCollisionRectangle().Right - 5)
{
TopCollisions.Add(mogelijkeCollisionObjecten[i]);
}
}
}
public void checkBulletCollisionPlayer(ICollide collObject)
{
if (bullets.projectileList.Capacity != 0)
{
for (int i = 0; i < bullets.projectileList.Count; i++)
{
if (bullets.projectileList[i].collRect.Intersects(collObject.getCollisionRect()))
{
if (bullets.projectileList[i].source is Enemy)
{
bullets.projectileList[i].isDeath = true;
collObject.gotHit();
}
}
}
}
}
private ICollide CheckCollision()
{
ICollide retVal = null;
// If I'm not colliding with myself or an object of my same type, return that object
if (collidables.Count > 1)
{
foreach (var item in collidables)
{
if (item.Key.GetType() != this.parentObject.GetType() && // Objects of the same type don't collide
this.colliderRectangle.IntersectsWith(item.Value)) // If there is a collision
{
// Return the parent object of the colliding item
return(item.Key);
}
}
}
return(retVal);
}
public void Collide(float s, PhysicsGroupType groupType, ICollide other)
{
if (groupType == PhysicsGroupType.Physical)
{
Weapon.Collide(s, groupType, other);
CollisionResult playerCollision = other.Collide(s, groupType, this.collision, null);
if (playerCollision)
{
if (collisionResult)
{
//Not sure if necessary, but if we have multiple collisions in a single frame, stop all movement.
collisionResult.PositionA = collision.Position;
collisionResult.VelocityA = Vector2.Zero;
}
else
{
collisionResult = playerCollision;
}
TakeDamage(playerCollision.Identity);
}
}
}
public static void EnumNodes(DbvtNode root, ICollide collideable)
{
collideable.Process(root);
if (root.IsInternal())
{
EnumNodes(root._children[0], collideable);
EnumNodes(root._children[1], collideable);
}
}
//Projectile collisionobjecten toevoegen aan lijst
public void AddProjectileCollisionObjects(ICollide collisionRectangle)
{
projectileCollisionObjecten.Add(collisionRectangle);
}
public void Add(ICollide actor)
{
group.Add(actor);
}
public static void EnumNodes(DbvtNode root, ICollide policy)
{
btDbvt_enumNodes(root._native, policy._native);
}
public static void CollideTTpersistentStack(DbvtNode root0,
DbvtNode root1,
ICollide collideable)
{
//CollideTT(root0, root1, collideable);
//return;
if (root0 != null && root1 != null)
{
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 4;
m_stkStack.Resize(DOUBLE_STACKSIZE);
m_stkStack[0] = new sStkNN(root0, root1);
do
{
sStkNN p = m_stkStack[--depth];
if (depth > treshold)
{
m_stkStack.Resize(m_stkStack.Count * 2);
treshold = m_stkStack.Count - 4;
}
if (p.a == p.b)
{
if (p.a.IsInternal())
{
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.a._children[0]);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.a._children[1]);
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.a._children[1]);
}
}
else if (DbvtAabbMm.Intersect(ref p.a.volume, ref p.b.volume))
{
if (p.a.IsInternal())
{
if (p.b.IsInternal())
{
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.b._children[0]);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.b._children[0]);
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.b._children[1]);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.b._children[1]);
}
else
{
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.b);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.b);
}
}
else
{
if (p.b.IsInternal())
{
m_stkStack[depth++] = new sStkNN(p.a, p.b._children[0]);
m_stkStack[depth++] = new sStkNN(p.a, p.b._children[1]);
}
else
{
collideable.Process(p.a, p.b);
}
}
}
} while (depth > 0);
}
}
/*
public static void CollideKdop(DbvtNode root, Vector3 normals, float offsets, int count, ICollide policy)
{
btDbvt_collideKDOP(root._native, ref normals, offsets._native, count, policy._native);
}
public static void CollideOcl(DbvtNode root, Vector3 normals, float offsets, Vector3 sortaxis, int count, ICollide policy)
{
btDbvt_collideOCL(root._native, ref normals, offsets._native, ref sortaxis, count, policy._native);
}
public static void CollideOcl(DbvtNode root, Vector3 normals, float offsets, Vector3 sortaxis, int count, ICollide policy, bool fullsort)
{
btDbvt_collideOCL2(root._native, ref normals, offsets._native, ref sortaxis, count, policy._native, fullsort);
}
*/
public void CollideTT(DbvtNode root0, DbvtNode root1, ICollide policy)
{
btDbvt_collideTT(_native, root0._native, root1._native, policy._native);
}
public static void rayTest( btDbvtNode root,
ref btVector3 rayFrom,
ref btVector3 rayTo,
ICollide policy )
{
using( btDbvtStackDataBlock stackDataBlock = new btDbvtStackDataBlock() )
{
if( root != null )
{
btVector3 rayDir = ( rayTo - rayFrom );
rayDir.normalize();
///what about division by zero? -. just set rayDirection[i] to INF/BT_LARGE_FLOAT
btVector3 rayDirectionInverse = new btVector3(
rayDir.x == 0.0f ? btScalar.BT_LARGE_FLOAT : 1.0f / rayDir.x,
rayDir.y == 0.0f ? btScalar.BT_LARGE_FLOAT : 1.0f / rayDir.y,
rayDir.z == 0.0f ? btScalar.BT_LARGE_FLOAT : 1.0f / rayDir.z );
stackDataBlock.signs[0] = rayDirectionInverse.x < 0.0f ? (uint)1 :0;
stackDataBlock.signs[1] = rayDirectionInverse.y < 0.0f ? (uint)1 :0;
stackDataBlock.signs[2] = rayDirectionInverse.z < 0.0f ? (uint)1 :0;
btVector3 tmp; rayTo.Sub( ref rayFrom, out tmp );
double lambda_max = btVector3.dot( ref rayDir, ref tmp );
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 2;
stackDataBlock.stack.Count = ( DOUBLE_STACKSIZE );
stackDataBlock.stack[0] = root;
do
{
btDbvtNode node = stackDataBlock.stack[--depth];
stackDataBlock.bounds0 = node.volume._min;
stackDataBlock.bounds1 = node.volume._max;
double tmin = 1.0f, lambda_min = 0.0f;
bool result1 = btAabbUtil.btRayAabb2( ref rayFrom, ref rayDirectionInverse, stackDataBlock.signs
, ref stackDataBlock.bounds0
, ref stackDataBlock.bounds1
, out tmin, lambda_min, lambda_max );
#if COMPARE_BTRAY_AABB2
double param=1.0f;
bool result2 = AabbUtil.RayAabb(ref rayFrom,ref rayTo,node.volume.Mins(),node.volume.Maxs(),param,resultNormal);
Debug.Assert(result1 == result2);
#endif //TEST_BTRAY_AABB2
if( result1 )
{
if( node.IsInternal() )
{
if( depth > treshold )
{
stackDataBlock.stack.Count = ( stackDataBlock.stack.Count * 2 );
treshold = stackDataBlock.stack.Count - 2;
}
stackDataBlock.stack[depth++] = node._children0;
stackDataBlock.stack[depth++] = node._children1;
}
else
{
policy.Process( node );
}
}
} while( depth != 0 );
}
}
}
public static void rayTestInternal( btDbvtNode root,
ref btVector3 rayFrom,
ref btVector3 rayTo,
ref btVector3 rayDirectionInverse,
uint[] signs,
double lambda_max,
ref btVector3 aabbMin,
ref btVector3 aabbMax,
ICollide policy )
{
using( btDbvtStackDataBlock stackDataBlock = BulletGlobals.DbvtStackDataBlockPool.Get() )
{
// (void) rayTo;
//DBVT_CHECKTYPE
if( root != null )
{
btVector3 resultNormal = new btVector3( 0, 1, 0 );
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 2;
stackDataBlock.stack[0] = root;
do
{
btDbvtNode node = stackDataBlock.stack[--depth];
node.volume._min.Sub( ref aabbMax, out stackDataBlock.bounds0 );
node.volume._max.Sub( ref aabbMin, out stackDataBlock.bounds1 );
double tmin = 1.0f, lambda_min = 0.0f;
bool result1 = btAabbUtil.btRayAabb2( ref rayFrom, ref rayDirectionInverse, signs
, ref stackDataBlock.bounds0
, ref stackDataBlock.bounds1
, out tmin, lambda_min, lambda_max );
if( result1 )
{
if( node.IsInternal() )
{
if( depth > treshold )
{
stackDataBlock.stack.Count = ( stackDataBlock.stack.Count * 2 );
treshold = stackDataBlock.stack.Count - 2;
}
stackDataBlock.stack[depth++] = node._children0;
stackDataBlock.stack[depth++] = node._children1;
}
else
{
policy.Process( node );
}
}
} while( depth != 0 );
}
}
}
public static void CollideTT( btDbvtNode root0, btDbvtNode root1, ICollide collideable )
{
CollideTTCount++;
Debug.Assert( CollideTTCount < 2 );
CollideTTStack.Clear();
if( root0 != null && root1 != null )
{
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 4;
CollideTTStack[0].Initialize( root0, root1 );
do
{
sStkNN p = CollideTTStack[--depth];
if( depth > treshold )
{
CollideTTStack.Count = ( CollideTTStack.Count * 2 );
treshold = CollideTTStack.Count - 4;
}
if( p.a == p.b )
{
if( p.a.IsInternal() )
{
CollideTTStack[depth++].Initialize( p.a._children0, p.a._children0 );
CollideTTStack[depth++].Initialize( p.a._children1, p.a._children1 );
CollideTTStack[depth++].Initialize( p.a._children0, p.a._children1 );
}
}
else if( btDbvtVolume.Intersect( ref p.a.volume, ref p.b.volume ) )
{
if( p.a.IsInternal() )
{
if( p.b.IsInternal() )
{
CollideTTStack[depth++].Initialize( p.a._children0, p.b._children0 );
CollideTTStack[depth++].Initialize( p.a._children1, p.b._children0 );
CollideTTStack[depth++].Initialize( p.a._children0, p.b._children1 );
CollideTTStack[depth++].Initialize( p.a._children1, p.b._children1 );
}
else
{
CollideTTStack[depth++].Initialize( p.a._children0, p.b );
CollideTTStack[depth++].Initialize( p.a._children1, p.b );
}
}
else
{
if( p.b.IsInternal() )
{
CollideTTStack[depth++].Initialize( p.a, p.b._children0 );
CollideTTStack[depth++].Initialize( p.a, p.b._children1 );
}
else
{
collideable.Process( p.a, p.b );
}
}
}
} while( depth > 0 );
}
CollideTTCount--;
}
public static void CollideTTpersistentStack( btDbvtNode root0,
btDbvtNode root1,
ICollide collideable )
{
//CollideTT(root0, root1, collideable);
//return;
if( root0 != null && root1 != null )
{
int depth = 1;
int treshold = m_stkStack.Length - 4;
//m_stkStack.Capacity = DOUBLE_STACKSIZE;
m_stkStack[0].Initialize( root0, root1 );
do
{
sStkNN p = m_stkStack[--depth];
if( depth > treshold )
{
sStkNN[] newArray = new sStkNN[m_stkStack.Length * 2];
for( int n = 0; n < depth; n++ )
newArray[n] = m_stkStack[n];
m_stkStack = newArray;
treshold = newArray.Length - 4;
}
if( p.a == p.b )
{
if( p.a.IsInternal() )
{
m_stkStack[depth++].Initialize( p.a._children0, p.a._children0 );
m_stkStack[depth++].Initialize( p.a._children1, p.a._children1 );
m_stkStack[depth++].Initialize( p.a._children0, p.a._children1 );
}
}
else if( btDbvtVolume.Intersect( ref p.a.volume, ref p.b.volume ) )
{
if( p.a.IsInternal() )
{
if( p.b.IsInternal() )
{
m_stkStack[depth++].Initialize( p.a._children0, p.b._children0 );
m_stkStack[depth++].Initialize( p.a._children1, p.b._children0 );
m_stkStack[depth++].Initialize( p.a._children0, p.b._children1 );
m_stkStack[depth++].Initialize( p.a._children1, p.b._children1 );
}
else
{
m_stkStack[depth++].Initialize( p.a._children0, p.b );
m_stkStack[depth++].Initialize( p.a._children1, p.b );
}
}
else
{
if( p.b.IsInternal() )
{
m_stkStack[depth++].Initialize( p.a, p.b._children0 );
m_stkStack[depth++].Initialize( p.a, p.b._children1 );
}
else
{
collideable.Process( p.a, p.b );
}
}
}
} while( depth > 0 );
}
}
public static void EnumLeaves( btDbvtNode root, ICollide collideable )
{
if( root.IsInternal() )
{
EnumLeaves( root._children0, collideable );
EnumLeaves( root._children1, collideable );
}
else
{
collideable.Process( root );
}
}
public static void CollideTV(DbvtNode root, ref DbvtAabbMm volume, ICollide collideable, Stack<DbvtNode> collideTVStack, ref int collideTVCount)
{
collideTVCount++;
//Debug.Assert(CollideTVCount < 2);
collideTVStack.Clear();
if (root != null)
{
collideTVStack.Push(root);
do
{
DbvtNode n = collideTVStack.Pop();
if (DbvtAabbMm.Intersect(ref n.volume, ref volume))
{
if (n.IsInternal())
{
collideTVStack.Push(n._children[0]);
collideTVStack.Push(n._children[1]);
}
else
{
collideable.Process(n);
}
}
} while (collideTVStack.Count > 0);
}
collideTVCount--;
}
public void RayTestInternal(DbvtNode root,
ref IndexedVector3 rayFrom,
ref IndexedVector3 rayTo,
ref IndexedVector3 rayDirectionInverse,
bool[] signs,
float lambda_max,
ref IndexedVector3 aabbMin,
ref IndexedVector3 aabbMax,
ICollide policy)
{
using (DbvtStackDataBlock stackDataBlock = BulletGlobals.DbvtStackDataBlockPool.Get())
{
// (void) rayTo;
//DBVT_CHECKTYPE
if (root != null)
{
IndexedVector3 resultNormal = new IndexedVector3(0, 1, 0);
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 2;
stackDataBlock.stack[0] = root;
do
{
DbvtNode node = stackDataBlock.stack[--depth];
stackDataBlock.bounds[0] = node.volume.Mins() - aabbMax;
stackDataBlock.bounds[1] = node.volume.Maxs() - aabbMin;
float tmin = 1.0f, lambda_min = 0.0f;
bool result1 = AabbUtil2.RayAabb2(ref rayFrom, ref rayDirectionInverse, signs, stackDataBlock.bounds, out tmin, lambda_min, lambda_max);
if (result1)
{
if (node.IsInternal())
{
if (depth > treshold)
{
stackDataBlock.stack.Resize(stackDataBlock.stack.Count * 2);
treshold = stackDataBlock.stack.Count - 2;
}
stackDataBlock.stack[depth++] = node._children[0];
stackDataBlock.stack[depth++] = node._children[1];
}
else
{
policy.Process(node);
}
}
} while (depth != 0);
}
}
}
public void CollideTTPersistentStack(DbvtNode root0, DbvtNode root1, ICollide policy)
{
btDbvt_collideTTpersistentStack(_native, root0._native, root1._native, policy._native);
}
public static void CollideTV( btDbvtNode root, ref btDbvtVolume volume, ICollide collideable )
{
CollideTVCount++;
Debug.Assert( CollideTVCount < 2 );
CollideTVStack.Clear();
if( root != null )
{
CollideTVStack.Push( root );
do
{
btDbvtNode n = CollideTVStack.Pop();
if( btDbvtVolume.Intersect( ref n.volume, ref volume ) )
{
if( n.IsInternal() )
{
CollideTVStack.Push( n._children0 );
CollideTVStack.Push( n._children1 );
}
else
{
collideable.Process( n );
}
}
} while( CollideTVStack.Count > 0 );
}
CollideTVCount--;
}
public static void CollideTT(DbvtNode root0, DbvtNode root1, ICollide collideable)
{
CollideTTCount++;
Debug.Assert(CollideTTCount < 2);
CollideTTStack.Clear();
if (root0 != null && root1 != null)
{
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 4;
CollideTTStack[0] = new sStkNN(root0, root1);
do
{
sStkNN p = CollideTTStack[--depth];
if (depth > treshold)
{
CollideTTStack.Resize(CollideTTStack.Count * 2);
treshold = CollideTTStack.Count - 4;
}
if (p.a == p.b)
{
if (p.a.IsInternal())
{
CollideTTStack[depth++] = new sStkNN(p.a._children[0], p.a._children[0]);
CollideTTStack[depth++] = new sStkNN(p.a._children[1], p.a._children[1]);
CollideTTStack[depth++] = new sStkNN(p.a._children[0], p.a._children[1]);
}
}
else if (DbvtAabbMm.Intersect(ref p.a.volume, ref p.b.volume))
{
if (p.a.IsInternal())
{
if (p.b.IsInternal())
{
CollideTTStack[depth++] = new sStkNN(p.a._children[0], p.b._children[0]);
CollideTTStack[depth++] = new sStkNN(p.a._children[1], p.b._children[0]);
CollideTTStack[depth++] = new sStkNN(p.a._children[0], p.b._children[1]);
CollideTTStack[depth++] = new sStkNN(p.a._children[1], p.b._children[1]);
}
else
{
CollideTTStack[depth++] = new sStkNN(p.a._children[0], p.b);
CollideTTStack[depth++] = new sStkNN(p.a._children[1], p.b);
}
}
else
{
if (p.b.IsInternal())
{
CollideTTStack[depth++] = new sStkNN(p.a, p.b._children[0]);
CollideTTStack[depth++] = new sStkNN(p.a, p.b._children[1]);
}
else
{
collideable.Process(p.a, p.b);
}
}
}
} while (depth > 0);
}
CollideTTCount--;
}
public CollisionEventArgs(ICollide collidingObject)
{
this.otherObject = collidingObject;
}
public static void RayTest(DbvtNode root,
ref IndexedVector3 rayFrom,
ref IndexedVector3 rayTo,
ICollide policy)
{
using (DbvtStackDataBlock stackDataBlock = BulletGlobals.DbvtStackDataBlockPool.Get())
{
if (root != null)
{
IndexedVector3 rayDir = (rayTo - rayFrom);
rayDir.Normalize();
///what about division by zero? -. just set rayDirection[i] to INF/BT_LARGE_FLOAT
IndexedVector3 rayDirectionInverse = new IndexedVector3(
rayDir.X == 0.0f ? MathUtil.BT_LARGE_FLOAT : 1.0f / rayDir.X,
rayDir.Y == 0.0f ? MathUtil.BT_LARGE_FLOAT : 1.0f / rayDir.Y,
rayDir.Z == 0.0f ? MathUtil.BT_LARGE_FLOAT : 1.0f / rayDir.Z);
stackDataBlock.signs[0] = rayDirectionInverse.X < 0.0f;
stackDataBlock.signs[1] = rayDirectionInverse.Y < 0.0f;
stackDataBlock.signs[2] = rayDirectionInverse.Z < 0.0f;
float lambda_max = IndexedVector3.Dot(rayDir, (rayTo - rayFrom));
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 2;
stackDataBlock.stack.Resize(DOUBLE_STACKSIZE);
stackDataBlock.stack[0] = root;
do
{
DbvtNode node = stackDataBlock.stack[--depth];
stackDataBlock.bounds[0] = node.volume.Mins();
stackDataBlock.bounds[1] = node.volume.Maxs();
float tmin = 1.0f, lambda_min = 0.0f;
bool result1 = AabbUtil2.RayAabb2(ref rayFrom, ref rayDirectionInverse, stackDataBlock.signs, stackDataBlock.bounds, out tmin, lambda_min, lambda_max);
#if COMPARE_BTRAY_AABB2
float param = 1.0f;
bool result2 = AabbUtil.RayAabb(ref rayFrom, ref rayTo, node.volume.Mins(), node.volume.Maxs(), param, resultNormal);
Debug.Assert(result1 == result2);
#endif //TEST_BTRAY_AABB2
if (result1)
{
if (node.IsInternal())
{
if (depth > treshold)
{
stackDataBlock.stack.Resize(stackDataBlock.stack.Count * 2);
treshold = stackDataBlock.stack.Count - 2;
}
stackDataBlock.stack[depth++] = node._children[0];
stackDataBlock.stack[depth++] = node._children[1];
}
else
{
policy.Process(node);
}
}
} while (depth != 0);
}
}
}
public static void CollideTU(DbvtNode root, ICollide policy)
{
btDbvt_collideTU(root._native, policy._native);
}
public static void RayTest(DbvtNode root, Vector3 rayFrom, Vector3 rayTo, ICollide policy)
{
btDbvt_rayTest(root._native, ref rayFrom, ref rayTo, policy._native);
}
public void RayTestInternal(DbvtNode root, Vector3 rayFrom, Vector3 rayTo, Vector3 rayDirectionInverse, uint[] signs, float lambdaMax, Vector3 aabbMin, Vector3 aabbMax, ICollide policy)
{
btDbvt_rayTestInternal(_native, root._native, ref rayFrom, ref rayTo, ref rayDirectionInverse, signs, lambdaMax, ref aabbMin, ref aabbMax, policy._native);
}
public void Remove(ICollide actor)
{
group.Remove(actor);
}
public void CollideTV(DbvtNode root, DbvtVolume volume, ICollide policy)
{
btDbvt_collideTV(_native, root._native, volume._native, policy._native);
}
public static void RayTest(DbvtNode root,
ref IndexedVector3 rayFrom,
ref IndexedVector3 rayTo,
ICollide policy)
{
using (DbvtStackDataBlock stackDataBlock = BulletGlobals.DbvtStackDataBlockPool.Get())
{
if (root != null)
{
IndexedVector3 rayDir = (rayTo - rayFrom);
rayDir.Normalize();
///what about division by zero? -. just set rayDirection[i] to INF/BT_LARGE_FLOAT
IndexedVector3 rayDirectionInverse = new IndexedVector3(
rayDir.X == 0.0f ? MathUtil.BT_LARGE_FLOAT : 1.0f / rayDir.X,
rayDir.Y == 0.0f ? MathUtil.BT_LARGE_FLOAT : 1.0f / rayDir.Y,
rayDir.Z == 0.0f ? MathUtil.BT_LARGE_FLOAT : 1.0f / rayDir.Z);
stackDataBlock.signs[0] = rayDirectionInverse.X < 0.0f;
stackDataBlock.signs[1] = rayDirectionInverse.Y < 0.0f;
stackDataBlock.signs[2] = rayDirectionInverse.Z < 0.0f;
float lambda_max = IndexedVector3.Dot(rayDir, (rayTo - rayFrom));
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 2;
stackDataBlock.stack.Resize(DOUBLE_STACKSIZE);
stackDataBlock.stack[0] = root;
do
{
DbvtNode node = stackDataBlock.stack[--depth];
stackDataBlock.bounds[0] = node.volume.Mins();
stackDataBlock.bounds[1] = node.volume.Maxs();
float tmin = 1.0f, lambda_min = 0.0f;
bool result1 = AabbUtil2.RayAabb2(ref rayFrom, ref rayDirectionInverse, stackDataBlock.signs, stackDataBlock.bounds, out tmin, lambda_min, lambda_max);
#if COMPARE_BTRAY_AABB2
float param=1.0f;
bool result2 = AabbUtil.RayAabb(ref rayFrom,ref rayTo,node.volume.Mins(),node.volume.Maxs(),param,resultNormal);
Debug.Assert(result1 == result2);
#endif //TEST_BTRAY_AABB2
if (result1)
{
if (node.IsInternal())
{
if (depth > treshold)
{
stackDataBlock.stack.Resize(stackDataBlock.stack.Count * 2);
treshold = stackDataBlock.stack.Count - 2;
}
stackDataBlock.stack[depth++] = node._children[0];
stackDataBlock.stack[depth++] = node._children[1];
}
else
{
policy.Process(node);
}
}
} while (depth != 0);
}
}
}
public static void CollideTTpersistentStack(DbvtNode root0,
DbvtNode root1,
ICollide collideable)
{
//CollideTT(root0, root1, collideable);
//return;
if (root0 != null && root1 != null)
{
int depth = 1;
int treshold = DOUBLE_STACKSIZE - 4;
m_stkStack.Resize(DOUBLE_STACKSIZE);
m_stkStack[0] = new sStkNN(root0, root1);
do
{
sStkNN p = m_stkStack[--depth];
if (depth > treshold)
{
m_stkStack.Resize(m_stkStack.Count * 2);
treshold = m_stkStack.Count - 4;
}
if (p.a == p.b)
{
if (p.a.IsInternal())
{
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.a._children[0]);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.a._children[1]);
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.a._children[1]);
}
}
else if (DbvtAabbMm.Intersect(ref p.a.volume, ref p.b.volume))
{
if (p.a.IsInternal())
{
if (p.b.IsInternal())
{
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.b._children[0]);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.b._children[0]);
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.b._children[1]);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.b._children[1]);
}
else
{
m_stkStack[depth++] = new sStkNN(p.a._children[0], p.b);
m_stkStack[depth++] = new sStkNN(p.a._children[1], p.b);
}
}
else
{
if (p.b.IsInternal())
{
m_stkStack[depth++] = new sStkNN(p.a, p.b._children[0]);
m_stkStack[depth++] = new sStkNN(p.a, p.b._children[1]);
}
else
{
collideable.Process(p.a, p.b);
}
}
}
} while (depth > 0);
}
}
