changed IFEQ to IFNE
@@ -97,7 +97,7 @@ public class BlockPatch extends ClassTransformer {
NAMES.ON_BLOCK_ADD_COLLISION.getDescriptor(),
false
));
- insnList.add(new JumpInsnNode(IFEQ, jumpPast));
+ insnList.add(new JumpInsnNode(IFNE, jumpPast));
main.instructions.insertBefore(end, jumpPast);
main.instructions.insertBefore(node, insnList);
