public void HandleDragAndDrop()
{
if (DragAndDrop.objectReferences.Length == 0 || !guiRect.Contains(Event.current.mousePosition))
{
return;
}
switch (Event.current.type)
{
//TODO: Cache this
case EventType.DragUpdated:
{
List <Texture2D> sheets = TileDragAndDrop.GetValidSpritesheets(DragAndDrop.objectReferences);
List <Sprite> sprites = TileDragAndDrop.GetValidSingleSprites(DragAndDrop.objectReferences);
List <TileBase> tiles = TileDragAndDrop.GetValidTiles(DragAndDrop.objectReferences);
m_HoverData = TileDragAndDrop.CreateHoverData(sheets, sprites, tiles);
if (m_HoverData != null && m_HoverData.Count > 0)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
Event.current.Use();
GUI.changed = true;
}
}
break;
case EventType.DragPerform:
{
if (m_HoverData == null || m_HoverData.Count == 0)
{
return;
}
RegisterUndo();
bool wasEmpty = TilemapIsEmpty(tilemap);
Vector2Int targetPosition = mouseGridPosition;
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
Dictionary <Vector2Int, TileBase> tileSheet = TileDragAndDrop.ConvertToTileSheet(m_HoverData);
foreach (KeyValuePair <Vector2Int, TileBase> item in tileSheet)
{
SetTile(tilemap, targetPosition + item.Key, item.Value, Color.white, Matrix4x4.identity);
}
OnPaletteChanged();
m_PaletteNeedsSave = true;
FlushHoverData();
GUI.changed = true;
SavePaletteIfNecessary();
if (wasEmpty)
{
ResetPreviewInstance();
FrameEntirePalette();
}
Event.current.Use();
GUIUtility.ExitGUI();
}
break;
case EventType.Repaint:
// Handled in Render()
break;
}
if (m_HoverData != null && (
Event.current.type == EventType.DragExited ||
Event.current.type == EventType.KeyDown && Event.current.keyCode == KeyCode.Escape))
{
DragAndDrop.visualMode = DragAndDropVisualMode.None;
FlushHoverData();
Event.current.Use();
}
}
private void DuringSceneGui(SceneView sceneView)
{
Event evt = Event.current;
if (evt.type != EventType.DragUpdated && evt.type != EventType.DragPerform && evt.type != EventType.DragExited && evt.type != EventType.Repaint)
{
return;
}
Grid activeGrid = GetActiveGrid();
if (activeGrid == null || DragAndDrop.objectReferences.Length == 0)
{
return;
}
Vector3 localMouse = GridEditorUtility.ScreenToLocal(activeGrid.transform, evt.mousePosition);
Vector3Int mouseGridPosition = activeGrid.LocalToCell(localMouse);
switch (evt.type)
{
//TODO: Cache this
case EventType.DragUpdated:
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
List <TileBase> tiles = TileDragAndDrop.GetValidTiles(DragAndDrop.objectReferences);
instance.m_HoverData = TileDragAndDrop.CreateHoverData(null, null, tiles);
if (instance.m_HoverData.Count > 0)
{
Event.current.Use();
GUI.changed = true;
}
break;
case EventType.DragPerform:
if (instance.m_HoverData.Count > 0)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
var tileSheet = TileDragAndDrop.ConvertToTileSheet(instance.m_HoverData);
Tilemap tilemap = GetOrCreateActiveTilemap();
tilemap.ClearAllEditorPreviewTiles();
int i = 0;
foreach (KeyValuePair <Vector2Int, TileDragAndDropHoverData> item in instance.m_HoverData)
{
Vector3Int position = new Vector3Int(mouseGridPosition.x + item.Key.x, mouseGridPosition.y + item.Key.y, 0);
tilemap.SetTile(position, tileSheet[i++]);
tilemap.SetTransformMatrix(position, Matrix4x4.TRS(item.Value.positionOffset - tilemap.tileAnchor, Quaternion.identity, Vector3.one));
}
instance.m_HoverData = null;
GUI.changed = true;
Event.current.Use();
}
break;
case EventType.Repaint:
if (instance.m_HoverData != null)
{
Tilemap map = Selection.activeGameObject.GetComponentInParent <Tilemap>();
if (map != null)
{
map.ClearAllEditorPreviewTiles();
}
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
foreach (KeyValuePair <Vector2Int, TileDragAndDropHoverData> item in instance.m_HoverData)
{
Vector3Int gridPos = mouseGridPosition + new Vector3Int(item.Key.x, item.Key.y, 0);
if (item.Value.hoverObject is TileBase)
{
TileBase tile = item.Value.hoverObject as TileBase;
if (map != null)
{
map.SetEditorPreviewTile(gridPos, tile);
}
}
}
}
break;
}
if (instance.m_HoverData != null && (
Event.current.type == EventType.DragExited ||
Event.current.type == EventType.KeyDown && Event.current.keyCode == KeyCode.Escape))
{
if (instance.m_HoverData.Count > 0)
{
Tilemap map = Selection.activeGameObject.GetComponentInParent <Tilemap>();
if (map != null)
{
map.ClearAllEditorPreviewTiles();
}
Event.current.Use();
}
instance.m_HoverData = null;
}
}
public void HandleDragAndDrop()
{
if (DragAndDrop.objectReferences.Length == 0 || !guiRect.Contains(Event.current.mousePosition))
{
return;
}
switch (Event.current.type)
{
//TODO: Cache this
case EventType.DragUpdated:
{
List <Texture2D> sheets = TileDragAndDrop.GetValidSpritesheets(DragAndDrop.objectReferences);
List <Sprite> sprites = TileDragAndDrop.GetValidSingleSprites(DragAndDrop.objectReferences);
List <TileBase> tiles = TileDragAndDrop.GetValidTiles(DragAndDrop.objectReferences);
m_HoverData = TileDragAndDrop.CreateHoverData(sheets, sprites, tiles, tilemap.cellLayout);
if (m_HoverData != null && m_HoverData.Count > 0)
{
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
Event.current.Use();
GUI.changed = true;
}
}
break;
case EventType.DragPerform:
{
if (m_HoverData == null || m_HoverData.Count == 0)
{
return;
}
RegisterUndo();
bool wasEmpty = TilemapIsEmpty(tilemap);
Vector2Int targetPosition = mouseGridPosition;
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
var tileSheet = TileDragAndDrop.ConvertToTileSheet(m_HoverData);
int i = 0;
foreach (KeyValuePair <Vector2Int, TileDragAndDropHoverData> item in m_HoverData)
{
if (i >= tileSheet.Count)
{
break;
}
var offset = Vector3.zero;
if (item.Value.hasOffset)
{
offset = item.Value.positionOffset - tilemap.tileAnchor;
var cellSize = tilemap.cellSize;
if (wasEmpty)
{
cellSize = item.Value.scaleFactor;
}
offset.x *= cellSize.x;
offset.y *= cellSize.y;
offset.z *= cellSize.z;
}
SetTile(tilemap
, targetPosition + item.Key
, tileSheet[i++]
, Color.white
, Matrix4x4.TRS(offset, Quaternion.identity, Vector3.one));
}
OnPaletteChanged();
m_PaletteNeedsSave = true;
FlushHoverData();
GUI.changed = true;
SavePaletteIfNecessary();
if (wasEmpty)
{
ResetPreviewInstance();
FrameEntirePalette();
}
Event.current.Use();
GUIUtility.ExitGUI();
}
break;
case EventType.Repaint:
// Handled in Render()
break;
}
if (m_HoverData != null && (
Event.current.type == EventType.DragExited ||
Event.current.type == EventType.KeyDown && Event.current.keyCode == KeyCode.Escape))
{
DragAndDrop.visualMode = DragAndDropVisualMode.None;
FlushHoverData();
Event.current.Use();
}
}