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[libgdx] Overload for Skeleton.getBounds() which optionally applies clipping, see #2515

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Mario Zechner 2024-05-02 17:04:35 +02:00
parent b043e5c978
commit 637321ad16
1 changed files with 14 additions and 5 deletions
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19
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/Skeleton.java
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@ -46,7 +46,6 @@ import com.esotericsoftware.spine.utils.SkeletonClipping;
* See <a href="http://esotericsoftware.com/spine-runtime-architecture#Instance-objects">Instance objects</a> in the Spine * See <a href="http://esotericsoftware.com/spine-runtime-architecture#Instance-objects">Instance objects</a> in the Spine
* Runtimes Guide. */ * Runtimes Guide. */
public class Skeleton { public class Skeleton {
static private final SkeletonClipping clipper = new SkeletonClipping();
static private final short[] quadTriangles = {0, 1, 2, 2, 3, 0}; static private final short[] quadTriangles = {0, 1, 2, 2, 3, 0};
final SkeletonData data; final SkeletonData data;
final Array<Bone> bones; final Array<Bone> bones;
@ -689,6 +688,16 @@ public class Skeleton {
* @param size An output value, the width and height of the AABB. * @param size An output value, the width and height of the AABB.
* @param temp Working memory to temporarily store attachments' computed world vertices. */ * @param temp Working memory to temporarily store attachments' computed world vertices. */
public void getBounds (Vector2 offset, Vector2 size, FloatArray temp) { public void getBounds (Vector2 offset, Vector2 size, FloatArray temp) {
getBounds(offset, size, temp, null);
}
/** Returns the axis aligned bounding box (AABB) of the region and mesh attachments for the current pose. Optionally applies
* clipping.
* @param offset An output value, the distance from the skeleton origin to the bottom left corner of the AABB.
* @param size An output value, the width and height of the AABB.
* @param temp Working memory to temporarily store attachments' computed world vertices.
* @param clipper {@link SkeletonClipping} to use. If <code>null</code>, no clipping is applied. */
public void getBounds (Vector2 offset, Vector2 size, FloatArray temp, SkeletonClipping clipper) {
if (offset == null) throw new IllegalArgumentException("offset cannot be null."); if (offset == null) throw new IllegalArgumentException("offset cannot be null.");
if (size == null) throw new IllegalArgumentException("size cannot be null."); if (size == null) throw new IllegalArgumentException("size cannot be null.");
if (temp == null) throw new IllegalArgumentException("temp cannot be null."); if (temp == null) throw new IllegalArgumentException("temp cannot be null.");
@ -713,13 +722,13 @@ public class Skeleton {
vertices = temp.setSize(verticesLength); vertices = temp.setSize(verticesLength);
mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2); mesh.computeWorldVertices(slot, 0, verticesLength, vertices, 0, 2);
triangles = mesh.getTriangles(); triangles = mesh.getTriangles();
} else if (attachment instanceof ClippingAttachment) { } else if (attachment instanceof ClippingAttachment && clipper != null) {
ClippingAttachment clip = (ClippingAttachment)attachment; ClippingAttachment clip = (ClippingAttachment)attachment;
clipper.clipStart(slot, clip); clipper.clipStart(slot, clip);
continue; continue;
} }
if (vertices != null) { if (vertices != null) {
if (clipper.isClipping()) { if (clipper != null && clipper.isClipping()) {
clipper.clipTriangles(vertices, verticesLength, triangles, triangles.length); clipper.clipTriangles(vertices, verticesLength, triangles, triangles.length);
vertices = clipper.getClippedVertices().items; vertices = clipper.getClippedVertices().items;
verticesLength = clipper.getClippedVertices().size; verticesLength = clipper.getClippedVertices().size;
@ -732,9 +741,9 @@ public class Skeleton {
maxY = Math.max(maxY, y); maxY = Math.max(maxY, y);
} }
} }
clipper.clipEnd(slot); if (clipper != null) clipper.clipEnd(slot);
} }
clipper.clipEnd(); if (clipper != null) clipper.clipEnd();
offset.set(minX, minY); offset.set(minX, minY);
size.set(maxX - minX, maxY - minY); size.set(maxX - minX, maxY - minY);
} }