private void RenderDragAndDropPreview()
{
if (this.activeDragAndDrop && this.m_HoverData != null && this.m_HoverData.Count != 0)
{
RectInt minMaxRect = TileDragAndDrop.GetMinMaxRect(this.m_HoverData.Keys.ToList <Vector2Int>());
minMaxRect.position += base.mouseGridPosition;
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
GridEditorUtility.DrawGridMarquee(this.grid, new BoundsInt(new Vector3Int(minMaxRect.xMin, minMaxRect.yMin, 0), new Vector3Int(minMaxRect.width, minMaxRect.height, 1)), Color.white);
}
}
public static Dictionary <Vector2Int, UnityEngine.Object> CreateHoverData(List <Texture2D> sheetTextures, List <Sprite> singleSprites, List <TileBase> tiles)
{
Dictionary <Vector2Int, UnityEngine.Object> dictionary = new Dictionary <Vector2Int, UnityEngine.Object>();
Vector2Int vector2Int = new Vector2Int(0, 0);
int num = 0;
if (sheetTextures != null)
{
foreach (Texture2D current in sheetTextures)
{
Dictionary <Vector2Int, UnityEngine.Object> dictionary2 = TileDragAndDrop.CreateHoverData(current);
foreach (KeyValuePair <Vector2Int, UnityEngine.Object> current2 in dictionary2)
{
dictionary.Add(current2.Key + vector2Int, current2.Value);
}
Vector2Int min = TileDragAndDrop.GetMinMaxRect(dictionary2.Keys.ToList <Vector2Int>()).min;
vector2Int += new Vector2Int(0, min.y - 1);
}
}
if (vector2Int.x > 0)
{
vector2Int = new Vector2Int(0, vector2Int.y - 1);
}
if (singleSprites != null)
{
num = Mathf.FloorToInt(Mathf.Sqrt((float)singleSprites.Count));
foreach (Sprite current3 in singleSprites)
{
dictionary.Add(vector2Int, current3);
vector2Int += new Vector2Int(1, 0);
if (vector2Int.x > num)
{
vector2Int = new Vector2Int(0, vector2Int.y - 1);
}
}
}
if (vector2Int.x > 0)
{
vector2Int = new Vector2Int(0, vector2Int.y - 1);
}
if (tiles != null)
{
num = Math.Max(Mathf.FloorToInt(Mathf.Sqrt((float)tiles.Count)), num);
foreach (TileBase current4 in tiles)
{
dictionary.Add(vector2Int, current4);
vector2Int += new Vector2Int(1, 0);
if (vector2Int.x > num)
{
vector2Int = new Vector2Int(0, vector2Int.y - 1);
}
}
}
return(dictionary);
}
private void RenderDragAndDropPreview()
{
if (!activeDragAndDrop || m_HoverData == null || m_HoverData.Count == 0)
{
return;
}
RectInt rect = TileDragAndDrop.GetMinMaxRect(m_HoverData.Keys.ToList());
rect.position += mouseGridPosition;
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
GridEditorUtility.DrawGridMarquee(grid, new BoundsInt(new Vector3Int(rect.xMin, rect.yMin, 0), new Vector3Int(rect.width, rect.height, 1)), Color.white);
}