Allow only gravitation stabilizer between injectors and blackhole, require empty space between collector and blackhole

src/main/kotlin/ru/dbotthepony/mc/otm/block/entity/blackhole/BlackHoleGeneratorBlockEntity.kt

@@ -217,6 +217,26 @@ class BlackHoleGeneratorBlockEntity(blockPos: BlockPos, blockState: BlockState)
 							tag(BLACK_HOLE)
 						}
 
+						for (p in i until i * 2) {
+							relative(BlockPos(0, 0, p)) {
+								air()
+							}
+						}
+
+						for (p in 0 until i) {
+							relative(BlockPos(p, 0, i)) {
+								air()
+								block(MBlocks.GRAVITATION_STABILIZER)
+								block(MBlocks.GRAVITATION_STABILIZER_LENS)
+							}
+
+							relative(BlockPos(-p, 0, i)) {
+								air()
+								block(MBlocks.GRAVITATION_STABILIZER)
+								block(MBlocks.GRAVITATION_STABILIZER_LENS)
+							}
+						}
+
 						val ring = ring(i)
 
 						for (pos in ring) {