public MapSquare(IScreenLayer layer, Tile tile, int x, int y, int tilesize)
{
this.layer = layer;
Tile = tile;
X = x;
Y = y;
screenX = x * tilesize;
screenY = y * tilesize;
var commonBox = Tile.Sprite.BoundBox;
blockBox = new RectangleF(commonBox.X, commonBox.Y, commonBox.Width, commonBox.Height);
blockBox.Offset(-Tile.Sprite.HotSpot.X, -Tile.Sprite.HotSpot.Y);
}
private void LoadLadderBoxes()
{
var tilesize = Tile.Width;
MapSquare below = layer.SquareAt(ScreenX, ScreenY + tilesize);
if (below != null && !below.Tile.Properties.Climbable)
{
flipLadderBox = blockBox;
flipLadderBox.Offset(0, flipLadderBox.Height - 4);
flipLadderBox.Height = 4;
}
else flipLadderBox = RectangleF.Empty;
MapSquare above = layer.SquareAt(ScreenX, ScreenY - tilesize);
if (above != null && !above.Tile.Properties.Climbable)
{
ladderBox = blockBox;
ladderBox.Height = 4;
}
else ladderBox = RectangleF.Empty;
ladderBoxesLoaded = true;
}
private RectangleF CheckEntityCollisions(List<Collision> blockEntities, CollisionBox hitbox, RectangleF boundbox)
{
foreach (var entity in Parent.Entities.GetAll())
{
if (entity == Parent) continue;
CollisionComponent coll = entity.GetComponent<CollisionComponent>();
if (coll == null) continue;
foreach (CollisionBox targetBox in coll.HitByBoxes(hitbox).Where(box => box.Properties.Blocking))
{
// if he's blocking, check for collision and maybe push me away
RectangleF rect = targetBox.BoxAt(coll.PositionSrc.Position);
RectangleF adjustrect = rect;
adjustrect.X -= Const.PixelEpsilon;
adjustrect.Y -= Const.PixelEpsilon;
adjustrect.Width += 2 * Const.PixelEpsilon;
adjustrect.Height += 2 - Const.PixelEpsilon;
RectangleF intersection = RectangleF.Intersect(boundbox, adjustrect);
if (intersection.Width != 0 || intersection.Height != 0)
{
blockEntities.Add(new Collision(hitbox, targetBox, coll));
if (hitbox.PushAway)
{
float vx, vy;
MovementComponent mov = entity.GetComponent<MovementComponent>();
vx = MovementSrc.VelocityX;
vy = MovementSrc.VelocityY;
if (mov != null)
{
vx -= mov.VelocityX;
vy -= mov.VelocityY;
}
PointF offset = hitbox.GetIntersectionOffset(rect, boundbox, vx, vy, false, false);
if (offset.X != 0 || offset.Y != 0)
{
PositionSrc.Offset(offset.X, offset.Y);
boundbox.Offset(offset.X, offset.Y);
}
}
}
}
}
return boundbox;
}
