/// <summary>
/// Collisions mode mouse down.
/// </summary>
private void CollisionsMouseDown(MouseEventArgs mouse)
{
// Get snapped position.
Size tileSize = ProjectManager.Room.TileSize;
Point snap = GetSnappedPoint(mouse.Location, new Size(_gridX, _gridY));
// If a shape was selected, return;
if (CollisionContains(mouse.Location, true) == true)
return;
// Create a new rectangle.
GMareCollision shape = new GMareCollision();
shape.Level = _level;
// Add a new shape to the shapes list.
ProjectManager.Room.Shapes.Add(shape);
// Set selected shape.
_selectedShape = shape;
}
/// <summary>
/// Reset the control to empty state.
/// </summary>
public void Reset()
{
_selection = null;
_selectedInstance = null;
_selectedObject = null;
_selectedShape = null;
_selectionClip = null;
_instanceClip = null;
// Delete textures.
GraphicsManager.DeleteTextures();
GraphicsManager.DeleteTilemaps();
}
/// <summary>
/// Sets the shape under the mouse, if there is one.
/// </summary>
/// <param name="point">The point to check.</param>
/// <param name="set">If the item should be selected if within bounds.</param>
/// <returns>Whether a shape was selected or not.</returns>
private bool CollisionContains(Point point, bool set)
{
// Set cursor
this.Cursor = Cursors.Arrow;
// Offset scroll position.
point.X += Offset.X;
point.Y += Offset.Y;
// Iterate through room shapes, search for a selection.
foreach (GMareCollision shape in ProjectManager.Room.Shapes)
{
// Iterate through nodes.
for (int i = 0; i < shape.Nodes.Length; i++)
{
// If the mouse lies within the shape node.
if (shape.Nodes[i].Contains(point))
{
// If the shape and node should be set.
if (set == true)
{
// Set the slected shape, and node.
_selectedShape = shape;
_selectedPoint = i;
// Allow dragging.
_dragging = true;
}
// Set cursor.
this.Cursor = Cursors.SizeAll;
// Selected a shape.
return true;
}
// If the mouse lies within the shape.
if (shape.Contains(point))
{
// Set the selected shape.
if (set == true)
_selectedShape = shape;
// Selected a shape.
return true;
}
}
}
// The point is not contained by any shape or node.
return false;
}
