Reticulated splines

- Fix line models rendering garbage
- Fix shulker boxes appear at the origin before snapping into place
- Make the box and line models public

common/src/lib/java/dev/engine_room/flywheel/lib/model/LineModelBuilder.java

@@ -80,6 +80,7 @@ public LineModelBuilder line(float x1, float y1, float z1, float x2, float y2, f
 
 	public Model build() {
 		vertexView.vertexCount(vertexCount);
+		vertexView.nativeMemoryOwner(data);
 
 		var boundingSphere = ModelUtil.computeBoundingSphere(vertexView);
 		boundingSphere.w += 0.1f; // make the bounding sphere a little bigger to account for line width
@@ -137,7 +138,7 @@ public int vertexCount() {
 
 		@Override
 		public void write(MutableVertexList vertexList) {
-			vertexList.writeAll(vertexList);
+			this.vertexList.writeAll(vertexList);
 		}
 
 		@Override

common/src/lib/java/dev/engine_room/flywheel/lib/visual/component/HitboxComponent.java

@@ -25,7 +25,7 @@ public final class HitboxComponent implements EntityComponent {
 	//  | /      | /
 	//  |/       |/
 	// 001------101
-	private static final Model BOX_MODEL = new LineModelBuilder(12)
+	public static final Model BOX_MODEL = new LineModelBuilder(12)
 			// Starting from 0, 0, 0
 			.line(0, 0, 0, 0, 0, 1)
 			.line(0, 0, 0, 0, 1, 0)
@@ -44,7 +44,7 @@ public final class HitboxComponent implements EntityComponent {
 			.line(1, 1, 0, 0, 1, 0)
 			.build();
 
-	private static final Model LINE_MODEL = new LineModelBuilder(1)
+	public static final Model LINE_MODEL = new LineModelBuilder(1)
 			.line(0, 0, 0, 0, 2, 0)
 			.build();
 

common/src/main/java/dev/engine_room/flywheel/vanilla/ShulkerBoxVisual.java

@@ -53,6 +53,7 @@ public ShulkerBoxVisual(VisualizationContext ctx, ShulkerBoxBlockEntity blockEnt
 		lid = instances.childOrThrow("lid");
 
 		initialPose = createInitialPose();
+		instances.updateInstancesStatic(initialPose);
 	}
 
 	private Matrix4f createInitialPose() {