void DisposeColliders () {
#if UNITY_EDITOR
var colliders = GetComponents<PolygonCollider2D>();
if (colliders.Length == 0) return;
if (Application.isPlaying) {
foreach (var c in colliders) {
if (c != null)
Destroy(c);
}
} else {
foreach (var c in colliders)
if (c != null)
DestroyImmediate(c);
}
#else
foreach (PolygonCollider2D c in colliderTable.Values)
if (c != null)
Destroy(c);
#endif
slot = null;
currentAttachment = null;
currentAttachmentName = null;
currentCollider = null;
colliderTable.Clear();
nameTable.Clear();
}
/// <summary>Sets the current collider to match attachment.</summary>
/// <param name="attachment">If the attachment is not a bounding box, it will be treated as null.</param>
void MatchAttachment (Attachment attachment) {
var bbAttachment = attachment as BoundingBoxAttachment;
if (BoundingBoxFollower.DebugMessages && attachment != null && bbAttachment == null)
Debug.LogWarning("BoundingBoxFollower tried to match a non-boundingbox attachment. It will treat it as null.");
if (currentCollider != null)
currentCollider.enabled = false;
if (bbAttachment == null) {
currentCollider = null;
} else {
currentCollider = colliderTable[bbAttachment];
currentCollider.enabled = true;
}
currentAttachment = bbAttachment;
currentAttachmentName = currentAttachment == null ? null : nameTable[bbAttachment];
}
public void ClearState () {
if (colliderTable != null)
foreach (var col in colliderTable.Values)
col.enabled = false;
currentAttachment = null;
currentAttachmentName = null;
currentCollider = null;
}
void SetCurrent (BoundingBoxAttachment attachment) {
if (currentCollider)
currentCollider.enabled = false;
if (attachment != null) {
currentCollider = colliderTable[attachment];
currentCollider.enabled = true;
} else {
currentCollider = null;
}
currentAttachment = attachment;
currentAttachmentName = currentAttachment == null ? null : attachmentNameTable[attachment];
}
/// <summary>
/// Initialize and instantiate the BoundingBoxFollowerGraphic colliders. This is method checks if the BoundingBoxFollowerGraphic has already been initialized for the skeleton instance and slotName and prevents overwriting unless it detects a new setup.</summary>
public void Initialize(bool overwrite = false)
{
if (skeletonGraphic == null)
{
return;
}
skeletonGraphic.Initialize(false);
if (string.IsNullOrEmpty(slotName))
{
return;
}
// Don't reinitialize if the setup did not change.
if (!overwrite &&
colliderTable.Count > 0 && slot != null && // Slot is set and colliders already populated.
skeletonGraphic.Skeleton == slot.Skeleton && // Skeleton object did not change.
slotName == slot.Data.Name // Slot object did not change.
)
{
return;
}
slot = null;
currentAttachment = null;
currentAttachmentName = null;
currentCollider = null;
colliderTable.Clear();
nameTable.Clear();
var skeleton = skeletonGraphic.Skeleton;
if (skeleton == null)
{
return;
}
slot = skeleton.FindSlot(slotName);
if (slot == null)
{
if (BoundingBoxFollowerGraphic.DebugMessages)
{
Debug.LogWarning(string.Format("Slot '{0}' not found for BoundingBoxFollowerGraphic on '{1}'. (Previous colliders were disposed.)", slotName, this.gameObject.name));
}
return;
}
int slotIndex = slot.Data.Index;
int requiredCollidersCount = 0;
var colliders = GetComponents <PolygonCollider2D>();
if (this.gameObject.activeInHierarchy)
{
var canvas = skeletonGraphic.canvas;
if (canvas == null)
{
canvas = skeletonGraphic.GetComponentInParent <Canvas>();
}
float scale = canvas != null ? canvas.referencePixelsPerUnit : 100.0f;
foreach (var skin in skeleton.Data.Skins)
{
AddCollidersForSkin(skin, slotIndex, colliders, scale, ref requiredCollidersCount);
}
if (skeleton.Skin != null)
{
AddCollidersForSkin(skeleton.Skin, slotIndex, colliders, scale, ref requiredCollidersCount);
}
}
DisposeExcessCollidersAfter(requiredCollidersCount);
if (BoundingBoxFollowerGraphic.DebugMessages)
{
bool valid = colliderTable.Count != 0;
if (!valid)
{
if (this.gameObject.activeInHierarchy)
{
Debug.LogWarning("Bounding Box Follower not valid! Slot [" + slotName + "] does not contain any Bounding Box Attachments!");
}
else
{
Debug.LogWarning("Bounding Box Follower tried to rebuild as a prefab.");
}
}
}
}
public static BoundingBoxAttachment GetClone (this BoundingBoxAttachment o) {
var ba = new BoundingBoxAttachment(o.Name);
CloneVertexAttachment(o, ba);
return o;
}
public static void SetColliderPointsLocal(PolygonCollider2D collider, Slot slot, BoundingBoxAttachment box)
{
if (box == null)
{
return;
}
if (box.IsWeighted())
{
Debug.LogWarning("UnityEngine.PolygonCollider2D does not support weighted or animated points. Collider points will not be animated and may have incorrect orientation. If you want to use it as a collider, please remove weights and animations from the bounding box in Spine editor.");
}
var verts = box.GetLocalVertices(slot, null);
collider.SetPath(0, verts);
}
