/// <summary>
/// Sets up this entitys event listener and collision polygon when called.
/// </summary>
public void InitializeCollision()
{
_collisionPolygon = new CollisionRectangle(new Transformation(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f), 0.0f, 0.0f);
_collisionPolygon.MetaData = this;
_collisionPolygon.PreProcessingDelegate += new CollisionProcessingNotificationDelegate(PreCollisionProcessing);
_collisionPolygon.PostProcessingDelegate += new CollisionProcessingNotificationDelegate(PostCollisionProcessing);
CollisionManager.AttachPolygon(_collisionPolygon);
}
/// <summary>
/// Called by this entitys collision polygon when this entity touches another.
/// </summary>
/// <param name="aPolygon">Entity that touched.</param>
/// <param name="bPolygon">Entity that was touched.</param>
protected void OnTouch(CollisionPolygon aPolygon, CollisionPolygon bPolygon)
{
if (_process == null || _process.Process == null || aPolygon.MetaData == null || bPolygon.MetaData == null || _process.Process == null || _enabled == false) return;
_process.Process[0].PassParameter(new SceneNodeScriptObject((SceneNode)aPolygon.MetaData));
_process.Process[0].PassParameter(new SceneNodeScriptObject((SceneNode)bPolygon.MetaData));
_process.Process[0].InvokeFunction("OnTouch", true, false);
//base.OnTouch(aPolygon, bPolygon);
}
/// <summary>
/// Resets this entity to the state it was in when it was created.
/// </summary>
public override void Reset()
{
base.Reset();
if (_collisionPolygon != null) DeinitializeCollision();
_forceVisibility = false;
_forceBoundingBoxVisibility = false;
_forceCollisionBoxVisibility = false;
_visible = true;
_enabled = true;
_solid = false;
_event = "";
_renderEventLines = false;
_eventNodes.Clear();
_eventLineColor = unchecked((int)0xFFFF0000);
_image = null;
_mesh = null;
_frame = 0;
_renderMode = EntityRenderMode.Rectangle;
_boundingRectangle = new Rectangle(0, 0, 16, 16);
_collisionRectangle = new Rectangle(0, 0, 16, 16);
_color = unchecked((int)0xFFFFFFFF);
_blendMode = BlendMode.Alpha;
_text = "";
_bitmapFont = null;
_renderBoundingBox = false;
_renderCollisionBox = false;
_renderSizingPoints = false;
_boundingBoxColor = unchecked((int)0xFF0000FF);
_collisionBoxColor = unchecked((int)0xFF666666);
_sizingPointsColor = unchecked((int)0xFFFFFFFF);
_sizingPointsSize = 5;
_collisionPolygon = null;
_depthLayer = 0;
_depthMode = EntityDepthMode.SubtractCollisionBoxBottom;
_triggered = false;
_shader = null;
}
/// <summary>
/// Removes this entitys event listener and collision polygon when called.
/// </summary>
public void DeinitializeCollision()
{
if (_collisionPolygon == null) return;
CollisionManager.DetachPolygon(_collisionPolygon);
_collisionPolygon.PreProcessingDelegate = null;
_collisionPolygon.PostProcessingDelegate = null;
_collisionPolygon.OnEnterDelegate = null;
_collisionPolygon.OnLeaveDelegate = null;
_collisionPolygon.OnTouchDelegate = null;
_collisionPolygon.OnCollidingDelegate = null;
_collisionPolygon.MetaData = null;
_collisionPolygon = null;
}
/// <summary> /// Checks if this polygons is is colliding with a given polygon. /// </summary> /// <param name="polygon">Polygon to check collision against.</param> /// <returns>True if polygons are colliding, else false.</returns> public abstract bool HitTest(CollisionPolygon polygon);
/// <summary> /// Attempts to respond to a collision by moving this polygon out /// of the given polygon. /// </summary> /// <param name="polygon">Polygon that this polygon is currently penetrating.</param> public abstract void RespondToCollision(CollisionPolygon polygon);
/// <summary>
/// Copys all the data contained in this collision polygon to another collision polygon.
/// </summary>
/// <param name="polygon">Collision polygon to copy data into.</param>
public virtual void CopyTo(CollisionPolygon polygon)
{
polygon._onEnterDelegate = _onEnterDelegate;
polygon._onLeaveDelegate = _onLeaveDelegate;
polygon._onTouchDelegate = _onTouchDelegate;
polygon._onCollidingDelegate = _onCollidingDelegate;
foreach (CollisionPolygon subPolygon in _enteredList)
polygon._enteredList.Add(subPolygon);
// foreach (CollisionPolygon subPolygon in _touchedList)
// polygon._touchedList.Add(subPolygon);
polygon._solid = _solid;
polygon._transformation = _transformation;
polygon._layers = new int[_layers.Length];
for (int i = 0; i < _layers.Length; i++)
polygon._layers[i] = _layers[i];
}
/// <summary>
/// Attachs a given collision polygon to this manager.
/// </summary>
/// <param name="polygon">Collision polygon to attach.</param>
public static void AttachPolygon(CollisionPolygon polygon)
{
if (_polygonList.Contains(polygon)) return;
_polygonList.Add(polygon);
#if USE_OCTTREE
AddToOctTree(polygon);
#endif
}
/// <summary>
/// Adds the polygon to the oct-tree.
/// </summary>
/// <param name="polygon">Collision polygon to attach.</param>
private static void AddToOctTree(CollisionPolygon polygon)
{
_octTreeAdditions.Add(polygon);
}
/// <summary>
/// Adds the polygon to the oct-tree.
/// </summary>
/// <param name="polygon">Collision polygon to detach.</param>
private static void RemoveFromOctTree(CollisionPolygon polygon)
{
_octTreeRemovals.Add(polygon);
}
/// <summary>
/// Checks for collision against a given polygon and all the other polygons
/// attached to this collision manager.
/// </summary>
/// <param name="aPolygon">Polygon to check collision against.</param>
/// <returns>True if a collision exists, else false.</returns>
public static bool HitTest(CollisionPolygon aPolygon)
{
if (aPolygon.Solid == false) return false;
foreach (CollisionPolygon polygon in _polygonList)
if (aPolygon != polygon && polygon.HitTest(aPolygon) == true && polygon.Solid == true)
return true;
return false;
}
/// <summary>
/// Detachs a given collision polygon to this manager.
/// </summary>
/// <param name="polygon">Collision polygon to detach.</param>
public static void DetachPolygon(CollisionPolygon polygon)
{
_polygonList.Remove(polygon);
#if USE_OCTTREE
RemoveFromOctTree(polygon);
#endif
}
/// <summary>
/// Attempts to respond to a collision by moving this rectangle out
/// of the given polygon.
/// </summary>
/// <param name="polygon">Polygon that this rectangle is currently penetrating.</param>
public override void RespondToCollision(CollisionPolygon polygon)
{
if (polygon is CollisionRectangle)
RespondToRectangleCollision(polygon as CollisionRectangle);
else
return;
}
/// <summary>
/// Checks if this polygons is is colliding with a given polygon.
/// </summary>
/// <param name="polygon">Polygon to check collision against.</param>
/// <returns>True if polygons are colliding, else false.</returns>
public override bool HitTest(CollisionPolygon polygon)
{
if (polygon is CollisionRectangle)
{
CollisionRectangle collisionRectangle = polygon as CollisionRectangle;
if (collisionRectangle._width == 0 || collisionRectangle._height == 0 || _width == 0 || _height == 0) return false;
int right1 = (int)(collisionRectangle.Transformation.X) + (int)(collisionRectangle.BoundingWidth * Math.Abs(collisionRectangle.Transformation.ScaleX));
int bottom1 = (int)(collisionRectangle.Transformation.Y) + (int)(collisionRectangle.BoundingHeight * Math.Abs(collisionRectangle.Transformation.ScaleY));
int right2 = (int)(_transformation.X) + (int)(_width * Math.Abs(_transformation.ScaleX));
int bottom2 = (int)(_transformation.Y) + (int)(_height * Math.Abs(_transformation.ScaleY));
return (!((bottom1 <= (int)(_transformation.Y)) || ((int)(collisionRectangle.Transformation.Y) >= bottom2) || (right1 <= (int)(_transformation.X)) || ((int)(collisionRectangle.Transformation.X) >= right2)));
}
return false;
}
/// <summary>
/// Copys all the data contained in this collision polygon to another collision polygon.
/// </summary>
/// <param name="polygon">Collision polygon to copy data into.</param>
public override void CopyTo(CollisionPolygon polygon)
{
CollisionRectangle rectanglePolygon = polygon as CollisionRectangle;
if (rectanglePolygon == null) return;
base.CopyTo(polygon);
rectanglePolygon._width = _width;
rectanglePolygon._height = _height;
}
