/// <summary>
/// Used to draw the currently selected tiles.
/// </summary>
/// <param name="eventReference">
/// A reference to the <see cref="Event"/>.
/// </param>
protected virtual void DrawTileSelection(Event eventReference)
{
// if no event reference provided just exit
if (eventReference == null)
{
return;
}
// used to store the top left tile coordinates of the tile position
Point tilePosition;
// determine if the tile set starts with spacing
var startOffset = this.StartSpacing ? this.Spacing : 0;
// convert the mouse position into a tile position
var mousePosition = eventReference.mousePosition;
tilePosition.X = (int)((mousePosition.x - startOffset) / ((this.TileWidth * this.Zoom) + this.Spacing));
tilePosition.Y = (int)((mousePosition.y - startOffset) / ((this.TileHeight * this.Zoom) + this.Spacing));
// calculate the min and max positions based on the location of the mouse and the first selected tile location
this.min = new Vector2(Math.Min(this.firstTileLocation.X, tilePosition.X), Math.Min(this.firstTileLocation.Y, tilePosition.Y));
if (this.MultipleTileSelection)
{
this.max = new Vector2(Math.Max(this.firstTileLocation.X, tilePosition.X), Math.Max(this.firstTileLocation.Y, tilePosition.Y));
}
else
{
this.max = this.min;
}
// cap the min max values to the dimensions of the texture
this.min = this.CapValues(this.min);
this.max = this.CapValues(this.max) + new Point(1, 1);
// determine if user is selecting
if (this.isSelecting && eventReference.type == EventType.MouseDrag && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
// clear any previous selection
this.selectedTiles.Clear();
// check if allowed to select multiple tiles
if (this.MultipleTileSelection)
{
// add tile entries for the selection
for (var idx = this.min.X; idx < this.max.X; idx++)
{
for (var idy = this.min.Y; idy < this.max.Y; idy++)
{
this.selectedTiles.Add(new Vector2(idx, idy));
}
}
}
else
{
this.firstTileLocation = tilePosition;
// clear any previously selected tiles and add the first tile location
this.selectedTiles.Add(this.firstTileLocation);
}
// save last mouse position
this.selectionStatus = TileSelectionStatus.Selecting;
this.OnTileSelection();
}
// draw selected tiles
float x;
float y;
foreach (var tile in this.selectedTiles)
{
// calculate rectangle Top Left for tile location
x = startOffset + (tile.X * ((this.TileWidth * this.Zoom) + this.Spacing));
y = startOffset + (tile.Y * ((this.TileHeight * this.Zoom) + this.Spacing));
// draw the selected tile rectangle
Helpers.DrawRect(
new Rect(
x,
y,
(this.TileWidth * this.Zoom) + this.Spacing - startOffset,
(this.TileHeight * this.Zoom) + this.Spacing - startOffset),
this.SelectionRectangleColor);
}
// draw blue rectangle indicating what tile the mouse is hovering over
x = startOffset + (tilePosition.X * ((this.TileWidth * this.Zoom) + this.Spacing));
y = startOffset + (tilePosition.Y * ((this.TileHeight * this.Zoom) + this.Spacing));
if (this.ShowHoverRectangle)
{
Helpers.DrawRect(
new Rect(x, y, (this.TileWidth * this.Zoom) + this.Spacing - startOffset, (this.TileHeight * this.Zoom) + this.Spacing - startOffset),
this.HoverRectangleColor);
}
// check if were beginning to select tiles with the left mouse button
if (!this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseDown && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
this.isSelecting = true;
this.firstTileLocation = tilePosition;
// clear any previously selected tiles and add the first tile location
this.selectedTiles.Clear();
this.selectedTiles.Add(this.firstTileLocation);
// save last mouse position
this.selectionStatus = TileSelectionStatus.Begin;
this.OnTileSelection();
}
// check if were releasing left mouse button (IE stop selecting)
if (this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseUp && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
this.isSelecting = false;
this.selectionStatus = TileSelectionStatus.Complete;
this.OnTileSelection();
}
}
/// <summary>
/// Used to draw the currently selected tiles.
/// </summary>
/// <param name="eventReference">
/// A reference to the <see cref="Event"/>.
/// </param>
protected virtual void DrawTileSelection(Event eventReference)
{
// if no event reference provided just exit
if (eventReference == null)
{
return;
}
// used to store the top left tile coordinates of the tile position
Point tilePosition;
// determine if the tile set starts with spacing
var startOffset = this.StartSpacing ? this.Spacing : 0;
// convert the mouse position into a tile position
var mousePosition = eventReference.mousePosition;
tilePosition.X = (int)((mousePosition.x - startOffset) / ((this.TileWidth * this.Zoom) + this.Spacing));
tilePosition.Y = (int)((mousePosition.y - startOffset) / ((this.TileHeight * this.Zoom) + this.Spacing));
// calculate the min and max positions based on the location of the mouse and the first selected tile location
this.min = new Vector2(Math.Min(this.firstTileLocation.X, tilePosition.X), Math.Min(this.firstTileLocation.Y, tilePosition.Y));
if (this.MultipleTileSelection)
{
this.max = new Vector2(Math.Max(this.firstTileLocation.X, tilePosition.X), Math.Max(this.firstTileLocation.Y, tilePosition.Y));
}
else
{
this.max = this.min;
}
// cap the min max values to the dimensions of the texture
this.min = this.CapValues(this.min);
this.max = this.CapValues(this.max) + new Point(1, 1);
// determine if user is selecting
if (this.isSelecting && eventReference.type == EventType.MouseDrag && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
// clear any previous selection
this.selectedTiles.Clear();
// check if allowed to select multiple tiles
if (this.MultipleTileSelection)
{
// add tile entries for the selection
for (var idx = this.min.X; idx < this.max.X; idx++)
{
for (var idy = this.min.Y; idy < this.max.Y; idy++)
{
this.selectedTiles.Add(new Vector2(idx, idy));
}
}
}
else
{
this.firstTileLocation = tilePosition;
// clear any previously selected tiles and add the first tile location
this.selectedTiles.Add(this.firstTileLocation);
}
// save last mouse position
this.selectionStatus = TileSelectionStatus.Selecting;
this.OnTileSelection();
}
// draw selected tiles
float x;
float y;
foreach (var tile in this.selectedTiles)
{
// calculate rectangle Top Left for tile location
x = startOffset + (tile.X * ((this.TileWidth * this.Zoom) + this.Spacing));
y = startOffset + (tile.Y * ((this.TileHeight * this.Zoom) + this.Spacing));
// draw the selected tile rectangle
Helpers.DrawRect(
new Rect(
x,
y,
(this.TileWidth * this.Zoom) + this.Spacing - startOffset,
(this.TileHeight * this.Zoom) + this.Spacing - startOffset),
this.SelectionRectangleColor);
}
// draw blue rectangle indicating what tile the mouse is hovering over
x = startOffset + (tilePosition.X * ((this.TileWidth * this.Zoom) + this.Spacing));
y = startOffset + (tilePosition.Y * ((this.TileHeight * this.Zoom) + this.Spacing));
if (this.ShowHoverRectangle)
{
Helpers.DrawRect(
new Rect(x, y, (this.TileWidth * this.Zoom) + this.Spacing - startOffset, (this.TileHeight * this.Zoom) + this.Spacing - startOffset),
this.HoverRectangleColor);
}
// check if were beginning to select tiles with the left mouse button
if (!this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseDown && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
this.isSelecting = true;
this.firstTileLocation = tilePosition;
// clear any previously selected tiles and add the first tile location
this.selectedTiles.Clear();
this.selectedTiles.Add(this.firstTileLocation);
// save last mouse position
this.selectionStatus = TileSelectionStatus.Begin;
this.OnTileSelection();
}
// check if were releasing left mouse button (IE stop selecting)
if (this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseUp && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
this.isSelecting = false;
this.selectionStatus = TileSelectionStatus.Complete;
this.OnTileSelection();
}
}
/// <summary>
/// Used to draw the current free form selection rectangle.
/// </summary>
/// <param name="eventReference">
/// A reference to the <see cref="Event"/>.
/// </param>
protected virtual void DrawFreeFormSelection(Event eventReference)
{
// get mouse position
Point mousePosition = eventReference.mousePosition;
// determine if user is selecting
if (this.isSelecting && eventReference.type == EventType.MouseDrag && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
// clear any previous selection
this.selectedTiles.Clear();
// calculate the min and max positions based on the location of the mouse and the first position of mouse down
var minVector = new Vector2(Math.Min(this.firstTileLocation.X, mousePosition.X), Math.Min(this.firstTileLocation.Y, mousePosition.Y)) / new Vector2(1f / this.zoom);
var maxVector = new Vector2(Math.Max(this.firstTileLocation.X, mousePosition.X), Math.Max(this.firstTileLocation.Y, mousePosition.Y)) / new Vector2(1f / this.zoom);
// set the free form rectangle
this.FreeFormRectangle = new Rect(minVector.X, minVector.Y, maxVector.X - minVector.X, maxVector.Y - minVector.Y);
// raise the selection changed event
this.selectionStatus = TileSelectionStatus.Selecting;
this.OnFreeFormSelection();
}
// draw the selected free form rectangle
Helpers.DrawRect(
new Rect(
this.FreeFormRectangle.x * this.zoom,
this.FreeFormRectangle.y * this.zoom,
this.FreeFormRectangle.width * this.zoom,
this.FreeFormRectangle.height * this.zoom),
this.SelectionRectangleColor);
// check if were beginning to select tiles with the left mouse button
if (!this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseDown && eventReference.button == 0)
{
this.isSelecting = true;
this.firstTileLocation = mousePosition;
// clear any previously selected tiles and add the first tile location
this.selectedTiles.Clear();
this.selectedTiles.Add(this.firstTileLocation);
// raise the selection changed event
this.selectionStatus = TileSelectionStatus.Begin;
this.OnFreeFormSelection();
// this event has been used
eventReference.Use();
}
// check if were releasing left mouse button (IE stop selecting)
if (this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseUp && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
this.isSelecting = false;
this.selectionStatus = TileSelectionStatus.Complete;
this.OnFreeFormSelection();
}
}
/// <summary>
/// Used to draw the current free form selection rectangle.
/// </summary>
/// <param name="eventReference">
/// A reference to the <see cref="Event"/>.
/// </param>
protected virtual void DrawFreeFormSelection(Event eventReference)
{
// get mouse position
Point mousePosition = eventReference.mousePosition;
// determine if user is selecting
if (this.isSelecting && eventReference.type == EventType.MouseDrag && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
// clear any previous selection
this.selectedTiles.Clear();
// calculate the min and max positions based on the location of the mouse and the first position of mouse down
var minVector = new Vector2(Math.Min(this.firstTileLocation.X, mousePosition.X), Math.Min(this.firstTileLocation.Y, mousePosition.Y)) / new Vector2(1f / this.zoom);
var maxVector = new Vector2(Math.Max(this.firstTileLocation.X, mousePosition.X), Math.Max(this.firstTileLocation.Y, mousePosition.Y)) / new Vector2(1f / this.zoom);
// set the free form rectangle
this.FreeFormRectangle = new Rect(minVector.X, minVector.Y, maxVector.X - minVector.X, maxVector.Y - minVector.Y);
// raise the selection changed event
this.selectionStatus = TileSelectionStatus.Selecting;
this.OnFreeFormSelection();
}
// draw the selected free form rectangle
Helpers.DrawRect(
new Rect(
this.FreeFormRectangle.x * this.zoom,
this.FreeFormRectangle.y * this.zoom,
this.FreeFormRectangle.width * this.zoom,
this.FreeFormRectangle.height * this.zoom),
this.SelectionRectangleColor);
// check if were beginning to select tiles with the left mouse button
if (!this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseDown && eventReference.button == 0)
{
this.isSelecting = true;
this.firstTileLocation = mousePosition;
// clear any previously selected tiles and add the first tile location
this.selectedTiles.Clear();
this.selectedTiles.Add(this.firstTileLocation);
// raise the selection changed event
this.selectionStatus = TileSelectionStatus.Begin;
this.OnFreeFormSelection();
// this event has been used
eventReference.Use();
}
// check if were releasing left mouse button (IE stop selecting)
if (this.isSelecting && eventReference.isMouse && eventReference.type == EventType.MouseUp && eventReference.button == 0)
{
// this event has been used
eventReference.Use();
this.isSelecting = false;
this.selectionStatus = TileSelectionStatus.Complete;
this.OnFreeFormSelection();
}
}
