/**
* Finalize spawning of objects at the end of a drag and drop.
*
* @param locationValid bool True if the cursor is over a valid location to place the object
* @param hitInfo RaycastHit Result of the raycast done to test location validity
*/
private void FinalizeDrag(bool locationValid, RaycastHit primaryHitInfo, List <RaycastHit> secondaryHitInfo)
{
// hide any visualizations that may have existed for the object
PlacementVisualizationManager.Instance.DisplayVisualization(spawnedObjectDragAndDrop.GetType(), false);
// if we are in a valid place, spawn the object
if (locationValid)
{
// place the spawned object
spawnedObjectDragAndDrop.Place(primaryHitInfo, secondaryHitInfo);
// make it visible and turn it on
spawnedObject.SetActive(true);
// set the layer back to whatever it was before
Layers.MoveAllToLayer(spawnedObject, spawnedObjectLayer);
}
// if not in a valid place, destroy the spawned object
else
{
// destroy object
Destroy(spawnedObject);
// clear old references, reset values to default
spawnedObject = null;
spawnedObjectDragAndDrop = null;
spawnedObjectOffsetTopLeft = Vector3.zero;
spawnedObjectOffsetTopRight = Vector3.zero;
spawnedObjectOffsetBottomLeft = Vector3.zero;
spawnedObjectOffsetBottomRight = Vector3.zero;
}
}
/**
* Handle beginning of a drag action on this object
*
* @param eventData The PointerEventData for the drag which allows us to reference the pointer position for UpdateDrag
*/
public void OnBeginDrag(PointerEventData eventData)
{
if (!gameManager.PlaceState)
{
return;
}
if (towerUI.CanAfford)
{
// Spawn the object
// Keep it invisible and don't set position yet because we haven't actually figured out where it's going to go yet,
// but we need to instantiate it so we can figure out whether
spawnedObject = Instantiate(objectToSpawn);
// Set the spawned object to be on the unplaced object layer, keeping its old layer for future use
spawnedObjectLayer = spawnedObject.layer;
Layers.MoveAllToLayer(spawnedObject, LayerMask.NameToLayer(Layers.IGNORE_RAYCAST_LAYER_NAME));
// Get the IDragAndDrop interface for the spawned object
spawnedObjectDragAndDrop = spawnedObject.GetComponentInChildren <IDragAndDropObject>();
if (spawnedObjectDragAndDrop == null)
{
Debug.LogError("Trying to drag and drop an object with no IDragAndDrop interface implemented!");
return;
}
// Show any visualizations that may exist for the object
PlacementVisualizationManager.Instance.DisplayVisualization(spawnedObjectDragAndDrop.GetType(), true);
// Calculate the offsets needed to get the points at the corners of the spawned object's renderer's bounding box
// NOTE: These are * 0.25f to allow for Anglers and Rangers to be placed closer to the shore of the river
if (spawnedObjectDragAndDrop is MonoBehaviour mb && mb.GetComponent <MeshRenderer>().bounds is Bounds bounds)
{
spawnedObjectOffsetTopLeft = new Vector3(-1 * bounds.extents.x * 0.25f, 0, bounds.extents.z * 0.25f);
spawnedObjectOffsetTopRight = new Vector3(bounds.extents.x * 0.25f, 0, bounds.extents.z * 0.25f);
spawnedObjectOffsetBottomLeft = new Vector3(-1 * bounds.extents.x * 0.25f, 0, -1 * bounds.extents.z * 0.25f);
spawnedObjectOffsetBottomRight = new Vector3(bounds.extents.x * 0.25f, 0, -1 * bounds.extents.z * 0.25f);
}
else
{
Debug.LogError("Attempting to spawn object from drag and drop that has no MeshRenderer!");
}
// Start moving the icon
UpdateDrag(eventData);
}
/**
* Handle beginning of a drag action on this object
*/
public void OnBeginDrag(PointerEventData eventData)
{
// spawn the object
// keep it invisible and don't set position yet because we haven't actually figured out where it's going to go yet
// but, we need to instantiate it so we can figure out whether
spawnedObject = Instantiate(objectToSpawn);
// set the spawned object to be on the unplaced object layer, keeping its old layer for future use
spawnedObjectLayer = spawnedObject.layer;
Layers.MoveAllToLayer(spawnedObject, LayerMask.NameToLayer(Layers.IGNORE_RAYCAST_LAYER_NAME));
// get the IDragAndDrop interface for the spawned object
spawnedObjectDragAndDrop = spawnedObject.GetComponentInChildren <IDragAndDropObject>();
if (spawnedObjectDragAndDrop == null)
{
Debug.LogError("Trying to drag and drop an object with no IDragAndDrop interface implemented!");
}
else
{
// show any visualizations that may exist for the object
PlacementVisualizationManager.Instance.DisplayVisualization(spawnedObjectDragAndDrop.GetType(), true);
}
// calculate the offsets needed to get the points at the corners of the spawned object's renderer's bounding box
MeshRenderer mr = (spawnedObjectDragAndDrop as MonoBehaviour).GetComponent <MeshRenderer>();
if (!mr)
{
Debug.LogError("Attempting to spawn object from drag and drop that has no MeshRenderer!");
}
else
{
spawnedObjectOffsetTopLeft = new Vector3(-1 * mr.bounds.extents.x, mr.bounds.extents.y);
spawnedObjectOffsetTopRight = new Vector3(mr.bounds.extents.x, mr.bounds.extents.y);
spawnedObjectOffsetBottomLeft = new Vector3(-1 * mr.bounds.extents.x, -1 * mr.bounds.extents.y);
spawnedObjectOffsetBottomRight = new Vector3(mr.bounds.extents.x, -1 * mr.bounds.extents.y);
}
// start moving the icon
UpdateDrag(eventData);
}
