public Armor New( Ship ship )
{
Armor armor = new Armor(ship, ship.template.component_armor_size, this);
return armor;
}
public HitboxArmorMarker(HitboxPolygon hitbox, Armor arg_armor, float displacement, float segment_separation)
{
// we need to construct the lines to represent our armor segments.
// We have to project the armors angular system onto the hitbox.
armor = arg_armor;
nodes = new List<Vector2>[armor.segment_count];
int count = hitbox.count;
Vector2[] corners = new Vector2[count];
Vector2[] displacements = new Vector2[count];
Vector2 last = hitbox.corners.Last();
for (int i = 0; i < count; i++)
{
Vector2 p = hitbox.corners[i];
Vector2 delta = last - p;
delta.Normalize();
displacements[i] = Utility.RotateNeg(delta) * displacement / 2.0f;
corners[i] = p;
last = p;
}
for (int i = 0; i < count; i++)
{
int k = (i == count - 1) ? 0 : i + 1;
corners[i] += displacements[i];
corners[i] += displacements[k];
}
Vector2 p1 = corners[0];
int first_segment = armor.GetSegmentLocal(p1);
int segment = first_segment;
nodes[segment] = new List<Vector2>();
List<Vector2> popped = null;
for (int j = 0; j < count; j++)
{
// iterate through all hitbox segments
int i = j + 1;
if (i == count) { i = 0; }
Vector2 p2 = corners[i];
// if this line has crossed an armor intersection
int new_segment = armor.GetSegmentLocal(p2);
if (new_segment != segment)
{
// We find the midpoint of the the line where it croses the armor angle
Vector2 cossin = Utility.CosSin(-armor.GetSegmentStartAngle(segment));
float p1ry = p1.X * cossin.Y + p1.Y * cossin.X;
float p2ry = p2.X * cossin.Y + p2.Y * cossin.X;
float alpha = p1ry / (p1ry - p2ry);
Vector2 mid = ((p2 - p1) * alpha) + p1;
if (new_segment == first_segment)
{
// this segment already has data in it.
// we will add this back in later.
popped = nodes[new_segment];
}
// the new segment starts at the midpoint
nodes[new_segment] = new List<Vector2>();
nodes[new_segment].Add(mid);
nodes[new_segment].Add(p2);
// the previous segment ends at the midpoint
nodes[segment].Add(mid);
segment = new_segment;
}
else
{
nodes[segment].Add(p2);
}
p1 = p2;
}
if (popped != null)
{
// We popped some of the data from the first segment, time to get it back
foreach (Vector2 pt in popped)
{
nodes[first_segment].Add(pt);
}
}
float sep = segment_separation / 2.0f;
foreach (List<Vector2> node in nodes)
{
trim(node, 1, sep);
trim(node, -1, sep);
}
}
public virtual void Draw(Camera camera, Armor armor, float width, Vector2 pos_override, float angle_override)
{
}