Get reset visual

- Remove Visual#shouldReset and associated logic
- Instead, delete and add visuals when the level renderer is notified
  of a block state change (that has a block entity)
- This does remove some control from BEVs, but it greatly simplifies the
  API and API contract

src/main/java/com/jozufozu/flywheel/api/visual/BlockEntityVisual.java

@@ -8,6 +8,17 @@ import com.jozufozu.flywheel.api.instance.Instance;
 
 import net.minecraft.world.level.block.entity.BlockEntity;
 
+/**
+ * A visual associated with a specific block entity.
+ *
+ * <p>BlockEntityVisuals exist for at most the lifetime of the block entity they are associated with.</p>
+ *
+ * <p>If the block state at your BlockEntityVisual's position changes without removing the block entity,
+ * the visual will be deleted and recreated. Therefore, it is also safe to assume than the block state
+ * is constant for the lifetime of the visual.</p>
+ *
+ * @param <T> The block entity type.
+ */
 public interface BlockEntityVisual<T extends BlockEntity> extends Visual {
 	/**
 	 * Collect all instances that should render with a crumbling overlay

src/main/java/com/jozufozu/flywheel/api/visual/Visual.java

@@ -24,18 +24,6 @@ public interface Visual {
 	 */
 	void update(float partialTick);
 
-	/**
-	 * When a visual is reset, the visual is deleted and re-created.
-	 * <br>
-	 * Just before {@link #update)} would be called, {@code shouldReset} is checked.
-	 * If this function returns {@code true}, then this visual will be {@link #delete deleted},
-	 * and another visual will be constructed to replace it. This allows for more sane resource
-	 * acquisition compared to trying to update everything within the lifetime of a visual.
-	 *
-	 * @return {@code true} if this visual should be discarded and refreshed.
-	 */
-	boolean shouldReset();
-
 	/**
 	 * Free any acquired resources.
 	 */

src/main/java/com/jozufozu/flywheel/impl/mixin/visualmanage/LevelRendererMixin.java

@@ -34,6 +34,13 @@ abstract class LevelRendererMixin {
 			return;
 		}
 
-		manager.getBlockEntities().queueUpdate(blockEntity);
+		var blockEntities = manager.getBlockEntities();
+		if (oldState != newState) {
+			blockEntities.queueRemove(blockEntity);
+			blockEntities.queueAdd(blockEntity);
+		} else {
+			// I don't think this is possible to reach in vanilla
+			blockEntities.queueUpdate(blockEntity);
+		}
 	}
 }

src/main/java/com/jozufozu/flywheel/impl/visualization/storage/Storage.java

@@ -84,15 +84,7 @@ public abstract class Storage<T> {
 			return;
 		}
 
-		// resetting visuals is by default used to handle block state changes.
-		if (visual.shouldReset()) {
-			// delete and re-create the visual.
-			// resetting a visual supersedes updating it.
-			remove(obj);
-			create(obj, partialTick);
-		} else {
-			visual.update(partialTick);
-		}
+		visual.update(partialTick);
 	}
 
 	public void recreateAll(float partialTick) {

src/main/java/com/jozufozu/flywheel/lib/visual/AbstractBlockEntityVisual.java

@@ -65,11 +65,6 @@ public abstract class AbstractBlockEntityVisual<T extends BlockEntity> extends A
 		this.notifier = notifier;
 	}
 
-	@Override
-	public boolean shouldReset() {
-		return blockEntity.getBlockState() != blockState;
-	}
-
 	/**
 	 * In order to accommodate for floating point precision errors at high coordinates,
 	 * {@link VisualManager}s are allowed to arbitrarily adjust the origin, and

src/main/java/com/jozufozu/flywheel/lib/visual/AbstractVisual.java

@@ -39,12 +39,7 @@ public abstract class AbstractVisual implements Visual {
 	public void update(float partialTick) {
 	}
 
-	@Override
-	public boolean shouldReset() {
-		return false;
-	}
-
-	protected abstract void _delete();
+    protected abstract void _delete();
 
 	@Override
 	public final void delete() {

src/main/java/com/jozufozu/flywheel/vanilla/effect/ExampleEffect.java

@@ -140,12 +140,7 @@ public class ExampleEffect implements Effect {
 		public void update(float partialTick) {
 		}
 
-		@Override
-		public boolean shouldReset() {
-			return false;
-		}
-
-		@Override
+        @Override
 		public void delete() {
 			effects.forEach(BoidVisual::_delete);
 		}