// Sets the collision at the provided x- and y- coordinates to match the provided brush
// Also handles removing old collisions if the brush is being replaced
public void SetCollisionAt(EditorBrush brush, int x, int y, bool updateComposite)
{
// First, remove the old collision
EditorBrush oldBrush = GetBrushAt(x, y);
// Remove references based on size if the old brush was an object
if (oldBrush != null && oldBrush.FrontAsset != null && oldBrush.FrontAsset is StarboundObject)
{
StarboundObject sbObject = (StarboundObject)oldBrush.FrontAsset;
ObjectOrientation orientation = sbObject.GetCorrectOrientation(m_parent, x, y);
int sizeX = orientation.GetWidth(brush.Direction, 1);
int sizeY = orientation.GetHeight(brush.Direction, 1);
int originX = orientation.GetOriginX(brush.Direction, 1);
int originY = orientation.GetOriginY(brush.Direction, 1);
for (int j = originX + x; j < sizeX + originX + x; ++j)
{
for (int k = originY + y; k < sizeY + originY + y; ++k)
{
HashSet <List <int> > objAnchorSet = GetCollisionsAt(j, k);
if (objAnchorSet != null)
{
// Remove from the set if we have a match
objAnchorSet.RemoveWhere(coord => coord[0] == x && coord[1] == y);
}
}
}
}
// Else just remove the tile we're at
else
{
HashSet <List <int> > tileAnchorSet = GetCollisionsAt(x, y);
if (tileAnchorSet != null)
{
// Remove from the set if we have a match
tileAnchorSet.RemoveWhere(coord => coord[0] == x && coord[1] == y);
}
}
// If this tile has a front component, continue
if (brush != null && brush.FrontAsset != null)
{
// Collisions for objects based on size
if (brush.FrontAsset is StarboundObject)
{
var sbObject = (StarboundObject)brush.FrontAsset;
ObjectOrientation orientation = sbObject.GetCorrectOrientation(m_parent, x, y);
int sizeX = orientation.GetWidth(brush.Direction, 1);
int sizeY = orientation.GetHeight(brush.Direction, 1);
int originX = orientation.GetOriginX(brush.Direction, 1);
int originY = orientation.GetOriginY(brush.Direction, 1);
// Set the elements at j, k to point to the anchor at x, y
for (int j = originX + x; j < sizeX + originX + x; ++j)
{
for (int k = originY + y; k < sizeY + originY + y; ++k)
{
List <int> list = new List <int> {
x, y
};
AddCollisionAt(list, j, k);
}
}
}
// Collisions for non-special front tiles
else if (!brush.IsSpecial)
{
List <int> list = new List <int> {
x, y
};
AddCollisionAt(list, x, y);
}
}
// Ship brushes have a special flag for things that block
// foreground collisions
if (brush is ShipBrush && ((ShipBrush)brush).ForegroundBlock)
{
List <int> list = new List <int> {
x, y
};
AddCollisionAt(list, x, y);
}
// If the update composite flag is set, rebuild
// the composite collision map.
if (updateComposite)
{
Parent.UpdateCompositeCollisionMap();
}
}
