private void OnSceneGUI()
{
if (Tools.current != Tool.None && Tools.current != Tool.Rect)
{
paintBox = false;
return;
}
if (!paintBox)
{
return;
}
if (selectedLayer < 0 || selectedLayer > tilemap.Layers.Count || selectedTile == 0)
{
return;
}
Handles.BeginGUI();
if (tilemap.UndoEnabled)
{
if (GUI.Button(new Rect(5, 5, 50, 25), "Undo"))
{
tilemap.Undo();
tilemap.RefreshAll(true);
}
if (GUI.Button(new Rect(60, 5, 50, 25), "Redo"))
{
tilemap.Redo();
tilemap.RefreshAll(true);
}
}
Handles.EndGUI();
Event e = Event.current;
int controlID = GUIUtility.GetControlID(FocusType.Passive);
HandleUtility.AddDefaultControl(controlID);
Tools.current = Tool.None;
switch (e.GetTypeForControl(controlID))
{
case EventType.MouseUp:
GUIUtility.hotControl = 0;
if (tilemap.IsRecordingCommand)
{
tilemap.EndRecordCommand();
}
mouseUpBefore = true;
e.Use();
break;
}
Vector3 mousePosition = e.mousePosition;
Ray ray = HandleUtility.GUIPointToWorldRay(mousePosition);
mousePosition = ray.origin;
if (!tilemap.UpdatePreviewBrushPos(mousePosition))
{
GenTexture();
}
if (!e.shift && shiftBefore)
{
shiftBefore = false;
GenTexture(false);
}
if (e.shift && !shiftBefore)
{
shiftBefore = true;
GenTexture(true);
}
if (e.type == EventType.MouseDown && e.button == 0)
{
var localPos = tilemap.transform.InverseTransformPoint(mousePosition);
var gridX = Utilites.GetGridX(localPos);
var gridY = Utilites.GetGridY(localPos);
LastMousePos = new Vector2Int(gridX, gridY);
}
if ((e.type == EventType.MouseDrag || e.type == EventType.MouseDown) && e.button == 0)
{
if (mouseUpBefore && !tilemap.IsRecordingCommand)
{
tilemap.BeginRecordCommand();
mouseUpBefore = false;
}
GUIUtility.hotControl = controlID;
Vector2 localPos = tilemap.transform.InverseTransformPoint(mousePosition);
var gridX = Utilites.GetGridX(localPos);
var gridY = Utilites.GetGridY(localPos);
if (e.shift)
{
int eraseMin = eraseSize / 2;
int eraseMax = eraseSize - eraseMin;
BresenhamLine(LastMousePos.x, LastMousePos.y, gridX, gridY, eraseMin, eraseMax, false);
}
else if (e.control)
{
selectedTile = tilemap.GetTile(gridX, gridY, selectedLayer);
}
else
{
int brushMin = brushSize / 2;
int brushMax = brushSize - brushMin;
BresenhamLine(LastMousePos.x, LastMousePos.y, gridX, gridY, brushMin, brushMax);
}
LastMousePos = new Vector2Int(gridX, gridY);
//tilemap.Layers[selectedLayer].UpdateMesh();
EditorUtility.SetDirty(tilemap);
e.Use();
}
}
private void OnEnable()
{
tilemap = target as ATilemap;
tilemap.OnValidate();
layersList = new ReorderableList(tilemap.Layers, typeof(Tile), true, true, true, true);
layersList.drawHeaderCallback += DrawHeader;
layersList.drawElementCallback += DrawElement;
layersList.onAddCallback += AddItem;
layersList.onRemoveCallback += RemoveItem;
layersList.onReorderCallback += (index) => { tilemap.CalculateLayersOrder(); tilemap.RefreshAll(true); CalculateIndexes(); };
}