private void Update()
{
if (tilemap == null)
{
tilemap = FindObjectOfType <Tilemap>();
}
else
{
/* Mouse over pop up window functionality
* if (popUpWindow.activeSelf && !hit) popUpWindow.SetActive(false);
*
* if (obj != null && !hit)
* {
* var selectable = obj.GetComponent<Selectable>();
* if(selectable != null) selectable.DisplayPopUpWindow(popUpWindow);
* }*/
if (Input.GetMouseButtonDown(0))
{
//Test for ui hit
bool hit = UIRaycastCheck.CheckUIHit();
var old = Camera.main.transform.position;
Camera.main.transform.position = old + new Vector3(0, 0, 11);
Vector3Int mousePos = tilemap.WorldToCell((Camera.main.ScreenToWorldPoint(Input.mousePosition)));
Vector3Int tilePos = new Vector3Int(mousePos.x, mousePos.y, 1);
GameObject obj = Game.Instance.World.GetMapObject(new Vector3Int(mousePos.x, mousePos.y, 0));
Selectable selectable = null;
if (obj != null)
{
selectable = obj.GetComponent <Selectable>();
}
//Set tile color
//Vector3Int pos = new Vector3Int(mousePos.x, mousePos.y, 0);
//selectedTilesPos.Add(pos);
//tilemap.SetColor(pos, selectedItemColor);
//Ctrl click multiple object selection
if (Input.GetKey(KeyCode.LeftControl) && obj != null && !hit && selectedItems.Count >= 1 && selectable != null)
{
if (!selectedItems.Contains(obj))
{
selectable.enabled = true;
selectedItems.Add(obj);
obj.transform.GetChild(0).gameObject.SetActive(true);
}
Selectable.DisplayWindow(window, selectedItems);
}
//Single object selection
else if (obj != null && !hit && selectable != null)
{
selectable.DisplayWindow(window);
if (selectedItems.Count >= 1)
{
foreach (GameObject item in selectedItems)
{
if (item != null)
{
item.GetComponent <Selectable>().enabled = false;
item.transform.GetChild(0).gameObject.SetActive(false);
}
}
selectedItems.Clear();
}
if (!selectedItems.Contains(obj))
{
selectable.enabled = true;
selectedItems.Add(obj);
obj.transform.GetChild(0).gameObject.SetActive(true);
}
}
//Clicking to cancel current selection
else if (!hit && !Input.GetKey(KeyCode.LeftControl))
{
foreach (GameObject item in selectedItems)
{
if (item != null)
{
item.GetComponent <Selectable>().enabled = false;
item.transform.GetChild(0).gameObject.SetActive(false);
}
}
selectedItems.Clear();
if (window.activeSelf)
{
Selectable.DisplayWindow(window, selectedItems);
}
}
Camera.main.transform.position = old;
startPoint = tilePos;
endPoint = tilePos;
posSelected = true;
}
//Rect drag multiple object selection
else if (Input.GetMouseButton(0) && posSelected)
{
//Test for ui hit
bool hit = UIRaycastCheck.CheckUIHit();
if (!hit)
{
var old = Camera.main.transform.position;
Camera.main.transform.position = old + new Vector3(0, 0, 11);
Vector3Int mousePos = tilemap.WorldToCell((Camera.main.ScreenToWorldPoint(Input.mousePosition)));
Vector3Int tilePos = new Vector3Int(mousePos.x, mousePos.y, 1);
Camera.main.transform.position = old;
if (endPoint != tilePos)
{
//Reset selection to adjust for new selected rectangle
foreach (GameObject item in selectedItems)
{
if (item != null)
{
item.GetComponent <Selectable>().enabled = false;
item.transform.GetChild(0).gameObject.SetActive(false);
}
}
selectedItems.Clear();
foreach (Vector3Int oldPos in selectedTilesPos)
{
tilemap.SetColor(oldPos, new Color(1, 1, 1));
}
//Iterate through each selected tile and color the tile/select any objects in rectangle
endPoint = tilePos;
endPoint = endPoint - startPoint;
for (int x = 0; x <= Math.Abs(endPoint.x); x++)
{
for (int y = 0; y <= Math.Abs(endPoint.y); y++)
{
var pos = new Vector3Int(x * Math.Sign(endPoint.x), y * Math.Sign(endPoint.y), 0);
pos.x += startPoint.x;
pos.y += startPoint.y;
GameObject obj = Game.Instance.World.GetMapObject(pos);
tilemap.SetColor(pos, selectedItemColor);
Selectable selectable = null;
if (obj != null)
{
selectable = obj.GetComponent <Selectable>();
}
if (obj != null && selectable != null)
{
if (!selectedItems.Contains(obj))
{
selectable.enabled = true;
selectedItems.Add(obj);
obj.transform.GetChild(0).gameObject.SetActive(true);
}
}
selectedTilesPos.Add(pos);
}
}
if (selectedItems.Count >= 1)
{
Selectable.DisplayWindow(window, selectedItems);
}
}
}
}
else
{
posSelected = false;
foreach (Vector3Int oldPos in selectedTilesPos)
{
tilemap.SetColor(oldPos, new Color(1, 1, 1));
}
}
}
}