/// <summary>
/// Create a square of all tiles in a selected area.
/// Do something with the tiles in set selected area.
/// </summary>
private void UpdateDragMovement()
{
// Prevent stuff from happening when mouse is over UI elements
if (EventSystem.current.IsPointerOverGameObject())
{
return;
}
#region Start drag movement
// Check if left mouse button was pressed.
// Prevent stuff from happening when mouse is over UI elements.
if (Input.GetMouseButtonDown(0))
{
// Save starting tile
startDragTilePosition = currentFrameMousePosition;
}
int start_X = Mathf.FloorToInt(startDragTilePosition.x + 0.5f);
int end_X = Mathf.FloorToInt(currentFrameMousePosition.x + 0.5f);
int start_Y = Mathf.FloorToInt(startDragTilePosition.y + 0.5f);
int end_Y = Mathf.FloorToInt(currentFrameMousePosition.y + 0.5f);
// Swap intergers if players drags from top to bottom or right to left
if (end_X < start_X)
{
int temp = end_X;
end_X = start_X;
start_X = temp;
}
if (end_Y < start_Y)
{
int temp = end_Y;
end_Y = start_Y;
start_Y = temp;
}
// While there are pooled object in the list, remove them
while (dragPreviewGameObjects.Count > 0)
{
GameObject gameObject = dragPreviewGameObjects[0];
dragPreviewGameObjects.RemoveAt(0);
objectPooler.DespawnFromPool(gameObject);
}
// Display a preview of all selected tiles
if (Input.GetMouseButton(0))
{
// Loop through all selected tiles and change them
for (int x = start_X; x <= end_X; x++)
{
for (int y = start_Y; y <= end_Y; y++)
{
Tile tile = WorldController.Instance.World.GetTileAt(x, y);
if (tile != null)
{
GameObject gameObject = objectPooler.SpawnFromPool("preview_Cursor", new Vector2(x, y), Quaternion.identity);
dragPreviewGameObjects.Add(gameObject);
}
}
}
}
#endregion
#region End drag movement
// Check if left mouse button was released
if (Input.GetMouseButtonUp(0))
{
// Loop through all selected tiles and change them
for (int x = start_X; x <= end_X; x++)
{
for (int y = start_Y; y <= end_Y; y++)
{
Tile tile = WorldController.Instance.World.GetTileAt(x, y);
if (tile != null)
{
buildModeController.ExecuteBuild(tile);
}
}
}
#region Old bit of code
// if (tileHoverOver != null) // If tile isn't null, flip the tile type
//{
// if (tileHoverOver.Type == Tile.TileType.Empty)
// tileHoverOver.Type = Tile.TileType.Floor;
// else if (tileHoverOver.Type == Tile.TileType.Floor)
// tileHoverOver.Type = Tile.TileType.Empty;
//}
#endregion
}
#endregion
}