private void LineSheetAction(TNode node, SheetActionType actionType)
{
var blockViewLevel = NextTileLevel;
var line = node.Rectangle;
var rect = new ScreenRectangle(line, blockViewLevel).BlockView;
var deltaX = (rect.Left <= rect.Right) ? 1 : -1;
var deltaY = (rect.Top <= rect.Bottom) ? 1 : -1;
//line search in daughter sheet
for (var x = rect.Left; (deltaX == 1 && x <= rect.Right) || (deltaX == -1 && x >= rect.Right); x += deltaX)
{
for (var y = rect.Top; (deltaY == 1 && y <= rect.Bottom) || (deltaY == -1 && y >= rect.Bottom); y += deltaY)
{
var block = new TileBlock(x, y, blockViewLevel);
var TileRect = (ScreenRectangle)block;
if (TileRect.LineContains(line) != IntersectResult.None)
{
lock (this)
{
var sheet = Sheets[block];
sheet.SheetAction(node, actionType);
PostSheetAction(block, sheet, actionType);
}
}
}
}
}
private void RectangleSheetAction(TNode node, SheetActionType actionType)
{
var blockViewLevel = NextTileLevel;
var rect = new ScreenRectangle(node.Rectangle, blockViewLevel).BlockView;
var deltaX = (rect.Left <= rect.Right) ? 1 : -1;
var deltaY = (rect.Top <= rect.Bottom) ? 1 : -1;
//rectangle search in daughter sheet
for (var x = rect.Left; (deltaX == 1 && x <= rect.Right) || (deltaX == -1 && x >= rect.Right); x += deltaX)
{
for (var y = rect.Top; (deltaY == 1 && y <= rect.Bottom) || (deltaY == -1 && y >= rect.Bottom); y += deltaY)
{
var block = new TileBlock(x, y, blockViewLevel);
lock (this)
{
var sheet = Sheets[block];
sheet.SheetAction(node, actionType);
PostSheetAction(block, sheet, actionType);
}
}
}
}
private void PoligonSheetAction(TNode node, SheetActionType actionType)
{
var blockViewLevel = NextGoogleLevel;
var poligon = node.Poligon;
var rect = new GoogleRectangle(poligon, blockViewLevel).BlockView;
var deltaX = (rect.Left <= rect.Right) ? 1 : -1;
var deltaY = (rect.Top <= rect.Bottom) ? 1 : -1;
//poligon search in daughter sheet
for (var x = rect.Left; (deltaX == 1 && x <= rect.Right) || (deltaX == -1 && x >= rect.Right); x += deltaX)
{
for (var y = rect.Top; (deltaY == 1 && y <= rect.Bottom) || (deltaY == -1 && y >= rect.Bottom); y += deltaY)
{
var block = new GoogleBlock(x, y, blockViewLevel);
var googleRect = (GoogleRectangle)block;
if (googleRect.PoligonContains(poligon) != InterseptResult.None)
{
lock (this)
{
var sheet = Sheets[block];
sheet.SheetAction(node, actionType);
PostSheetAction(block, sheet, actionType);
}
}
}
}
}
private void PointSheetAction(TNode node, SheetActionType actionType)
{
var block = node.Coordinate.GetTileBlock(NextTileLevel);
lock (this)
{
//point search in daughter sheet
var sheet = Sheets[block];
sheet.SheetAction(node, actionType);
PostSheetAction(block, sheet, actionType);
}
}
private void PostSheetAction(TileBlock block, SpatialSheet <TNode> sheet, SheetActionType actionType)
{
switch (actionType)
{
case SheetActionType.Delete:
{
//delete sheet from index without elements
if (sheet.IsEmpty)
{
Sheets.Remove(block);
}
} break;
}
}
internal void SheetAction(TNode node, SheetActionType actionType)
{
//Insert node to spatial index or remove node from spatial index
if (!IsBottomSheet)
{
switch (node.NodeType)
{
case SpatialTreeNodeTypes.Point:
PointSheetAction(node, actionType);
break;
case SpatialTreeNodeTypes.Line:
LineSheetAction(node, actionType);
break;
case SpatialTreeNodeTypes.Rectangle:
RectangleSheetAction(node, actionType);
break;
case SpatialTreeNodeTypes.Poligon:
PoligonSheetAction(node, actionType);
break;
}
}
else
{
//Just do it on bottom level
lock (this)
{
switch (actionType)
{
case SheetActionType.Insert:
Content.Add(node);
break;
case SheetActionType.Delete:
Content.Remove(node);
break;
}
}
}
}
