protected Entity(Vector2 pos)
{
Pos = LastPos = pos;
BoundingBox = AxisAlignedBB.Null;
CollisionBoundingBox = AxisAlignedBB.Null;
}
public float CalculateYOffset(AxisAlignedBB other, float offset)
{
if (other.Max.X > Min.X && other.Min.X < Max.X)
{
if (offset > 0.0D && other.Max.Y <= Min.Y)
{
float d1 = Min.Y - other.Max.Y;
if (d1 < offset)
{
offset = d1;
}
}
else if (offset < 0.0D && other.Min.Y >= Max.Y)
{
float d0 = Max.Y - other.Min.Y;
if (d0 > offset)
{
offset = d0;
}
}
}
return(offset);
}
public EntityPlayer(float x, float y, float size, Color color) : base(new Vector2(x, y))
{
_size = size;
CollisionBoundingBox = new AxisAlignedBB(size);
BoundingBox = CollisionBoundingBox.Offset(Pos - (Vector2.UnitX * CollisionBoundingBox.Size.X / 2 + Vector2.UnitY * CollisionBoundingBox.Size.Y / 2));
}
public AxisAlignedBB Union(AxisAlignedBB other)
{
var minX = (int)Math.Floor(MathUtil.Min(Min.X, Max.X, other.Min.X, other.Max.X));
var minY = (int)Math.Floor(MathUtil.Min(Min.Y, Max.Y, other.Min.Y, other.Max.Y));
var maxX = (int)Math.Ceiling(MathUtil.Max(Min.X, Max.X, other.Min.X, other.Max.X));
var maxY = (int)Math.Ceiling(MathUtil.Max(Min.Y, Max.Y, other.Min.Y, other.Max.Y));
return(new AxisAlignedBB(minX, minY, maxX, maxY));
}
public virtual void Move()
{
var bbO = BoundingBox.Union(BoundingBox.Offset(Motion));
List <AxisAlignedBB> list = Game.Instance.Map.GetCollidingBoxes(bbO);
var mOrig = Motion;
for (int i = 0; i < list.Count; i++)
{
var blockBb = list[i];
Motion.Y = blockBb.CalculateYOffset(BoundingBox, Motion.Y);
}
BoundingBox = BoundingBox.Offset(Motion * Vector2.UnitY);
for (int i = 0; i < list.Count; i++)
{
var blockBb = list[i];
Motion.X = blockBb.CalculateXOffset(BoundingBox, Motion.X);
}
BoundingBox = BoundingBox.Offset(Motion * Vector2.UnitX);
SetPositionToBb();
var stoppedX = Math.Abs(mOrig.X - Motion.X) > 0.00001f;
var stoppedY = Math.Abs(mOrig.Y - Motion.Y) > 0.00001f;
if (stoppedX)
{
Motion.X = 0;
}
if (stoppedY)
{
Motion.Y = 0;
}
}
public bool IntersectsWith(AxisAlignedBB other)
{
return(Min.X < other.Max.X && Max.X > other.Min.X &&
Min.Y < other.Max.Y && Max.Y > other.Min.Y);
}
public void TeleportTo(Vector2 pos)
{
LastPos = Pos = pos;
BoundingBox = CollisionBoundingBox.Offset(Pos - Vector2.UnitX * CollisionBoundingBox.Size.X / 2 - Vector2.UnitY * CollisionBoundingBox.Size.Y / 2);
}
public List <AxisAlignedBB> GetCollidingBoxes(AxisAlignedBB box)
{
var bb = box.Union(box);
return(_collisionBoxes.Where(cb => cb.IntersectsWith(bb)).ToList());
}
public static bool Intersects(AxisAlignedBB box, Vector2 pos, Vector2 dir, out float f)
{
float num = 0f;
float maxValue = float.MaxValue;
if (Math.Abs(dir.X) < 1E-06f)
{
if (pos.X < box.Min.X || pos.X > box.Max.X)
{
f = 0;
return(false);
}
}
else
{
float num11 = 1f / dir.X;
float num8 = (box.Min.X - pos.X) * num11;
float num7 = (box.Max.X - pos.X) * num11;
if (num8 > num7)
{
float num14 = num8;
num8 = num7;
num7 = num14;
}
num = Math.Max(num8, num);
maxValue = Math.Min(num7, maxValue);
if (num > maxValue)
{
f = 0;
return(false);
}
}
if (Math.Abs(dir.Y) < 1E-06f)
{
if (pos.Y < box.Min.Y || pos.Y > box.Max.Y)
{
f = 0;
return(false);
}
}
else
{
float num10 = 1f / dir.Y;
float num6 = (box.Min.Y - pos.Y) * num10;
float num5 = (box.Max.Y - pos.Y) * num10;
if (num6 > num5)
{
float num13 = num6;
num6 = num5;
num5 = num13;
}
num = Math.Max(num6, num);
maxValue = Math.Min(num5, maxValue);
if (num > maxValue)
{
f = 0;
return(false);
}
}
f = num;
return(true);
}
