fix backtank nbt not saving

ForgeCaps don't save yet either though

src/generated/resources/.cache/cache

@@ -3329,7 +3329,7 @@ c2b075008849e152f20e8da946e89c9722325df6 data/create/loot_tables/blocks/content_
 69b4b25d7d271458177fbbaeba2c797daccc38a2 data/create/loot_tables/blocks/contraption_controls.json
 28856dc862efc6bcc421d035d26386740458f868 data/create/loot_tables/blocks/controller_rail.json
 2c2785e39e1891dff2c50cba93e814b56d935154 data/create/loot_tables/blocks/controls.json
-3abf04f6132955275ad490668cd28f481afb4ec2 data/create/loot_tables/blocks/copper_backtank.json
+830949a5dc64982392db2c1f651d2a9d0ff659a8 data/create/loot_tables/blocks/copper_backtank.json
 6697e619d5c6dcb81aad4f5c88ba319d13665b35 data/create/loot_tables/blocks/copper_bars.json
 8010db6b2427536c74312c85425b3ba83abc363c data/create/loot_tables/blocks/copper_casing.json
 ea5fb942c8dfb792daac538e09d286ac120aa199 data/create/loot_tables/blocks/copper_door.json
@@ -3590,7 +3590,7 @@ afdff197c9d1a6940e988c00435135f9705fd0e5 data/create/loot_tables/blocks/metal_gi
 b83a90fbe83906b171fc0de6bdc2d9aa3a8c542e data/create/loot_tables/blocks/millstone.json
 5c1df8443043b3fe3b665dba348e2ff188bcbe31 data/create/loot_tables/blocks/minecart_anchor.json
 1e73d28fdd2e54910074aeadbe5617425a8ae656 data/create/loot_tables/blocks/mysterious_cuckoo_clock.json
-a5fa8fdc10efe534e5c7d8bdb687f226b39f63ef data/create/loot_tables/blocks/netherite_backtank.json
+9be92bab82bc1e83533f1d4679b09bd0513b07eb data/create/loot_tables/blocks/netherite_backtank.json
 2e21a06c0d671e543bffecb0b67d97b51fa83ddc data/create/loot_tables/blocks/nixie_tube.json
 f6b4095a518a01081f3663d7268d67063bdb44ee data/create/loot_tables/blocks/nozzle.json
 d378be8f13fc7ed625813eae3a50b68e8706a297 data/create/loot_tables/blocks/oak_window.json
@@ -5012,7 +5012,7 @@ e6aa8895186358e9d069f5a99909132be49f3bf1 data/create/recipes/diorite_from_stone_
 a90268d38f976327ff5e1b87ff1d72ca2d1ebad6 data/create/recipes/dripstone_block_from_stone_types_dripstone_stonecutting.json
 27d9bf05a610447e90314e658dbbcd191f378fc9 data/create/recipes/dripstone_pillar_from_stone_types_dripstone_stonecutting.json
 d81ceba2946286d374801e698a4ca2116395cbad data/create/recipes/emptying/builders_tea.json
-318ab703224ff1d6f7200675e1e0a4c138b28456 data/create/recipes/emptying/compat/alexsmobs/lava_bottle.json
+d62f4682fe6cc61df5a1c0231a2004a4ee78a329 data/create/recipes/emptying/compat/alexsmobs/lava_bottle.json
 c26d003e921720308c05ad7b9f3cb57de94a10a8 data/create/recipes/emptying/compat/farmersdelight/milk_bottle.json
 60c0edfb5b759e4f13427b631861f503f8552923 data/create/recipes/emptying/compat/neapolitan/milk_bottle.json
 20b7c7c62fa2e33199e08188dd8836844a6d9cfd data/create/recipes/emptying/honey_bottle.json

src/generated/resources/data/create/loot_tables/blocks/copper_backtank.json

@@ -8,6 +8,17 @@
         {
           "type": "minecraft:item",
           "functions": [
+            {
+              "function": "minecraft:copy_nbt",
+              "source": "block_entity",
+              "ops": [
+                {
+                  "source": "FullNBT",
+                  "target": "{}",
+                  "op": "merge"
+                }
+              ]
+            },
             {
               "function": "minecraft:copy_name",
               "source": "block_entity"

src/generated/resources/data/create/loot_tables/blocks/netherite_backtank.json

@@ -8,6 +8,17 @@
         {
           "type": "minecraft:item",
           "functions": [
+            {
+              "function": "minecraft:copy_nbt",
+              "source": "block_entity",
+              "ops": [
+                {
+                  "source": "FullNBT",
+                  "target": "{}",
+                  "op": "merge"
+                }
+              ]
+            },
             {
               "function": "minecraft:copy_name",
               "source": "block_entity"

src/generated/resources/data/create/recipes/emptying/compat/alexsmobs/lava_bottle.json

@@ -16,7 +16,7 @@
   ],
   "conditions": [
     {
-      "modid": "atmospheric",
+      "modid": "alexsmobs",
       "type": "forge:mod_loaded"
     }
   ]

src/main/java/com/simibubi/create/content/equipment/armor/BacktankBlock.java

@@ -83,7 +83,7 @@ public class BacktankBlock extends HorizontalKineticBlock
 	@Override
 	public BlockState updateShape(BlockState state, Direction direction, BlockState neighbourState,
 		LevelAccessor world, BlockPos pos, BlockPos neighbourPos) {
-		if (state.getValue(BlockStateProperties.WATERLOGGED)) 
+		if (state.getValue(BlockStateProperties.WATERLOGGED))
 			world.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(world));
 		return state;
 	}
@@ -121,6 +121,7 @@ public class BacktankBlock extends HorizontalKineticBlock
 				be.setEnchantmentTag(stack.getEnchantmentTags());
 			if (stack.hasCustomHoverName())
 				be.setCustomName(stack.getHoverName());
+			be.setFullNbt(stack.getOrCreateTag());
 		});
 	}
 
@@ -157,9 +158,10 @@ public class BacktankBlock extends HorizontalKineticBlock
 		ItemStack stack = new ItemStack(item);
 		Optional<BacktankBlockEntity> blockEntityOptional = getBlockEntityOptional(blockGetter, pos);
 
+		CompoundTag tag = blockEntityOptional.map(BacktankBlockEntity::getFullNbt).orElse(stack.getOrCreateTag());
+
 		int air = blockEntityOptional.map(BacktankBlockEntity::getAirLevel)
 			.orElse(0);
-		CompoundTag tag = stack.getOrCreateTag();
 		tag.putInt("Air", air);
 
 		ListTag enchants = blockEntityOptional.map(BacktankBlockEntity::getEnchantmentTag)
@@ -174,6 +176,7 @@ public class BacktankBlock extends HorizontalKineticBlock
 			.orElse(null);
 		if (customName != null)
 			stack.setHoverName(customName);
+		stack.setTag(tag);
 		return stack;
 	}
 
@@ -187,7 +190,7 @@ public class BacktankBlock extends HorizontalKineticBlock
 	public Class<BacktankBlockEntity> getBlockEntityClass() {
 		return BacktankBlockEntity.class;
 	}
-	
+
 	@Override
 	public BlockEntityType<? extends BacktankBlockEntity> getBlockEntityType() {
 		return AllBlockEntityTypes.BACKTANK.get();

src/main/java/com/simibubi/create/content/equipment/armor/BacktankBlockEntity.java

@@ -37,10 +37,13 @@ public class BacktankBlockEntity extends KineticBlockEntity implements Nameable
 	private int capacityEnchantLevel;
 	private ListTag enchantmentTag;
 
+	private CompoundTag fullNbt;
+
 	public BacktankBlockEntity(BlockEntityType<?> type, BlockPos pos, BlockState state) {
 		super(type, pos, state);
 		defaultName = getDefaultName(state);
 		enchantmentTag = new ListTag();
+		fullNbt = new CompoundTag();
 	}
 
 	public static Component getDefaultName(BlockState state) {
@@ -118,6 +121,7 @@ public class BacktankBlockEntity extends KineticBlockEntity implements Nameable
 		if (this.customName != null)
 			compound.putString("CustomName", Component.Serializer.toJson(this.customName));
 		compound.put("Enchantments", enchantmentTag);
+		compound.put("FullNBT", fullNbt);
 	}
 
 	@Override
@@ -128,6 +132,7 @@ public class BacktankBlockEntity extends KineticBlockEntity implements Nameable
 		airLevel = compound.getInt("Air");
 		airLevelTimer = compound.getInt("Timer");
 		enchantmentTag = compound.getList("Enchantments", Tag.TAG_COMPOUND);
+		this.fullNbt = compound.getCompound("FullNBT");
 		if (compound.contains("CustomName", 8))
 			this.customName = Component.Serializer.fromJson(compound.getString("CustomName"));
 		if (prev != 0 && prev != airLevel && airLevel == BacktankUtil.maxAir(capacityEnchantLevel) && clientPacket)
@@ -182,4 +187,14 @@ public class BacktankBlockEntity extends KineticBlockEntity implements Nameable
 		this.capacityEnchantLevel = capacityEnchantLevel;
 	}
 
+	public CompoundTag getFullNbt()
+	{
+		return fullNbt;
+	}
+
+	public void setFullNbt(CompoundTag fullNbt)
+	{
+		this.fullNbt = fullNbt;
+	}
+
 }

src/main/java/com/simibubi/create/foundation/data/BuilderTransformers.java

@@ -73,6 +73,8 @@ import net.minecraft.world.level.storage.loot.LootTable.Builder;
 import net.minecraft.world.level.storage.loot.entries.LootItem;
 import net.minecraft.world.level.storage.loot.functions.CopyNameFunction;
 import net.minecraft.world.level.storage.loot.functions.CopyNbtFunction;
+import net.minecraft.world.level.storage.loot.functions.LootItemFunction;
+import net.minecraft.world.level.storage.loot.functions.SetNbtFunction;
 import net.minecraft.world.level.storage.loot.predicates.ExplosionCondition;
 import net.minecraft.world.level.storage.loot.predicates.LootItemCondition;
 import net.minecraft.world.level.storage.loot.providers.nbt.ContextNbtProvider;
@@ -435,6 +437,8 @@ public class BuilderTransformers {
 					.when(survivesExplosion)
 					.setRolls(ConstantValue.exactly(1))
 					.add(LootItem.lootTableItem(drop.get())
+							.apply(CopyNbtFunction.copyData(ContextNbtProvider.BLOCK_ENTITY)
+									.copy("FullNBT", "{}", CopyNbtFunction.MergeStrategy.MERGE))
 						.apply(CopyNameFunction.copyName(CopyNameFunction.NameSource.BLOCK_ENTITY))
 						.apply(CopyNbtFunction.copyData(ContextNbtProvider.BLOCK_ENTITY)
 							.copy("Air", "Air"))