feat: add more mappings

pumpkin-codegen/Cargo.lock

@@ -772,7 +772,6 @@ dependencies = [
 name = "pumpkin-codecs"
 version = "0.1.0-dev+26.2"
 dependencies = [
- "either",
  "serde_json",
  "tracing",
 ]
@@ -806,7 +805,6 @@ dependencies = [
  "cesu8",
  "flate2",
  "pumpkin-codecs",
- "rustc-hash",
  "serde",
  "thiserror",
  "tracing",
@@ -925,12 +923,6 @@ dependencies = [
  "zeroize",
 ]
 
-[[package]]
-name = "rustc-hash"
-version = "2.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b1e7f9a428571be2dc5bc0505c13fb6bf936822b894ec87abf8a08a4e51742d"
-
 [[package]]
 name = "rustls"
 version = "0.23.39"

pumpkin-codegen/src/block.rs

@@ -1456,10 +1456,10 @@ fn get_be_data_from_nbt<R: Read + Seek>(
     let data_end = reader.seek(SeekFrom::End(0)).unwrap();
     let _ = reader.seek(SeekFrom::Start(data_start));
 
-    let nbt_reader = &mut NbtReadHelperBedrock::new(&mut *reader);
+    let nbt_reader = &mut NbtReadHelperBedrock::new(pumpkin_nbt::deserializer::NbtStreamReader(&mut *reader));
 
     loop {
-        if nbt_reader.reader().stream_position().unwrap() >= data_end {
+        if nbt_reader.reader().0.stream_position().unwrap() >= data_end {
             break;
         }
 

pumpkin-codegen/src/main.rs

@@ -75,8 +75,6 @@ pub fn main() {
 
     fs::create_dir_all(OUT_DIR).expect("Failed to create output directory");
 
-    wit::main();
-
     let mut build_functions: Vec<(BuilderFn, &str)> = vec![
         (advancement::build, "advancement.rs"),
         (bedrock_creative::build, "bedrock_creative.rs"),
@@ -146,6 +144,7 @@ pub fn main() {
     // e.g. `cargo run -- chest_loot` only regenerates chest_loot.rs.
     let filters: Vec<String> = std::env::args().skip(1).collect();
     let build_functions: Vec<_> = if filters.is_empty() {
+        wit::main();
         build_functions
     } else {
         build_functions

pumpkin-codegen/src/remap/block_state.rs

@@ -7,10 +7,95 @@ use crate::version::JavaMinecraftVersion;
 /// Generates the `TokenStream` for per-version block-state remap tables and the
 /// `remap_block_state_for_version` function.
 pub fn build() -> TokenStream {
+    let node_1_10 = MappingNode {
+        version: JavaMinecraftVersion::V_1_10,
+        value: "../assets/viabackwards/data/mappings-1.11to1.10.nbt",
+        child: None,
+    };
+    let node_1_11 = MappingNode {
+        version: JavaMinecraftVersion::V_1_11,
+        value: "../assets/viabackwards/data/mappings-1.12to1.11.nbt",
+        child: Some(&node_1_10),
+    };
+    let node_1_12 = MappingNode {
+        version: JavaMinecraftVersion::V_1_12,
+        value: "../assets/viabackwards/data/mappings-1.13to1.12.nbt",
+        child: Some(&node_1_11),
+    };
+    let node_1_13 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13,
+        value: "../assets/viabackwards/data/mappings-1.13.2to1.13.nbt",
+        child: Some(&node_1_12),
+    };
+    let node_1_13_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13_2,
+        value: "../assets/viabackwards/data/mappings-1.14to1.13.2.nbt",
+        child: Some(&node_1_13),
+    };
+    let node_1_14 = MappingNode {
+        version: JavaMinecraftVersion::V_1_14,
+        value: "../assets/viabackwards/data/mappings-1.15to1.14.nbt",
+        child: Some(&node_1_13_2),
+    };
+    let node_1_15 = MappingNode {
+        version: JavaMinecraftVersion::V_1_15,
+        value: "../assets/viabackwards/data/mappings-1.16to1.15.nbt",
+        child: Some(&node_1_14),
+    };
+    let node_1_16 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16,
+        value: "../assets/viabackwards/data/mappings-1.16.2to1.16.nbt",
+        child: Some(&node_1_15),
+    };
+    let node_1_16_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16_2,
+        value: "../assets/viabackwards/data/mappings-1.17to1.16.2.nbt",
+        child: Some(&node_1_16),
+    };
+    let node_1_17 = MappingNode {
+        version: JavaMinecraftVersion::V_1_17,
+        value: "../assets/viabackwards/data/mappings-1.18to1.17.nbt",
+        child: Some(&node_1_16_2),
+    };
+    let node_1_18 = MappingNode {
+        version: JavaMinecraftVersion::V_1_18,
+        value: "../assets/viabackwards/data/mappings-1.19to1.18.nbt",
+        child: Some(&node_1_17),
+    };
+    let node_1_19 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19,
+        value: "../assets/viabackwards/data/mappings-1.19.3to1.19.nbt",
+        child: Some(&node_1_18),
+    };
+    let node_1_19_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_3,
+        value: "../assets/viabackwards/data/mappings-1.19.4to1.19.3.nbt",
+        child: Some(&node_1_19),
+    };
+    let node_1_19_4 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_4,
+        value: "../assets/viabackwards/data/mappings-1.20to1.19.4.nbt",
+        child: Some(&node_1_19_3),
+    };
+    let node_1_20 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20,
+        value: "../assets/viabackwards/data/mappings-1.20.2to1.20.nbt",
+        child: Some(&node_1_19_4),
+    };
+    let node_1_20_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_2,
+        value: "../assets/viabackwards/data/mappings-1.20.3to1.20.2.nbt",
+        child: Some(&node_1_20),
+    };
+    let node_1_20_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_3,
+        value: "../assets/viabackwards/data/mappings-1.20.5to1.20.3.nbt",
+        child: Some(&node_1_20_2),
+    };
     let node_1_20_5 = MappingNode {
         version: JavaMinecraftVersion::V_1_20_5,
         value: "../assets/viabackwards/data/mappings-1.21to1.20.5.nbt",
-        child: None,
+        child: Some(&node_1_20_3),
     };
     let node_1_21 = MappingNode {
         version: JavaMinecraftVersion::V_1_21,

pumpkin-codegen/src/remap/entity_id.rs

@@ -7,10 +7,95 @@ use crate::version::JavaMinecraftVersion;
 /// Generates the `TokenStream` for per-version entity ID remap tables and the
 /// `remap_entity_id_for_version` function.
 pub fn build() -> TokenStream {
+    let node_1_10 = MappingNode {
+        version: JavaMinecraftVersion::V_1_10,
+        value: "../assets/viabackwards/data/mappings-1.11to1.10.nbt",
+        child: None,
+    };
+    let node_1_11 = MappingNode {
+        version: JavaMinecraftVersion::V_1_11,
+        value: "../assets/viabackwards/data/mappings-1.12to1.11.nbt",
+        child: Some(&node_1_10),
+    };
+    let node_1_12 = MappingNode {
+        version: JavaMinecraftVersion::V_1_12,
+        value: "../assets/viabackwards/data/mappings-1.13to1.12.nbt",
+        child: Some(&node_1_11),
+    };
+    let node_1_13 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13,
+        value: "../assets/viabackwards/data/mappings-1.13.2to1.13.nbt",
+        child: Some(&node_1_12),
+    };
+    let node_1_13_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13_2,
+        value: "../assets/viabackwards/data/mappings-1.14to1.13.2.nbt",
+        child: Some(&node_1_13),
+    };
+    let node_1_14 = MappingNode {
+        version: JavaMinecraftVersion::V_1_14,
+        value: "../assets/viabackwards/data/mappings-1.15to1.14.nbt",
+        child: Some(&node_1_13_2),
+    };
+    let node_1_15 = MappingNode {
+        version: JavaMinecraftVersion::V_1_15,
+        value: "../assets/viabackwards/data/mappings-1.16to1.15.nbt",
+        child: Some(&node_1_14),
+    };
+    let node_1_16 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16,
+        value: "../assets/viabackwards/data/mappings-1.16.2to1.16.nbt",
+        child: Some(&node_1_15),
+    };
+    let node_1_16_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16_2,
+        value: "../assets/viabackwards/data/mappings-1.17to1.16.2.nbt",
+        child: Some(&node_1_16),
+    };
+    let node_1_17 = MappingNode {
+        version: JavaMinecraftVersion::V_1_17,
+        value: "../assets/viabackwards/data/mappings-1.18to1.17.nbt",
+        child: Some(&node_1_16_2),
+    };
+    let node_1_18 = MappingNode {
+        version: JavaMinecraftVersion::V_1_18,
+        value: "../assets/viabackwards/data/mappings-1.19to1.18.nbt",
+        child: Some(&node_1_17),
+    };
+    let node_1_19 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19,
+        value: "../assets/viabackwards/data/mappings-1.19.3to1.19.nbt",
+        child: Some(&node_1_18),
+    };
+    let node_1_19_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_3,
+        value: "../assets/viabackwards/data/mappings-1.19.4to1.19.3.nbt",
+        child: Some(&node_1_19),
+    };
+    let node_1_19_4 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_4,
+        value: "../assets/viabackwards/data/mappings-1.20to1.19.4.nbt",
+        child: Some(&node_1_19_3),
+    };
+    let node_1_20 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20,
+        value: "../assets/viabackwards/data/mappings-1.20.2to1.20.nbt",
+        child: Some(&node_1_19_4),
+    };
+    let node_1_20_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_2,
+        value: "../assets/viabackwards/data/mappings-1.20.3to1.20.2.nbt",
+        child: Some(&node_1_20),
+    };
+    let node_1_20_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_3,
+        value: "../assets/viabackwards/data/mappings-1.20.5to1.20.3.nbt",
+        child: Some(&node_1_20_2),
+    };
     let node_1_20_5 = MappingNode {
         version: JavaMinecraftVersion::V_1_20_5,
         value: "../assets/viabackwards/data/mappings-1.21to1.20.5.nbt",
-        child: None,
+        child: Some(&node_1_20_3),
     };
     let node_1_21 = MappingNode {
         version: JavaMinecraftVersion::V_1_21,

pumpkin-codegen/src/remap/item_id.rs

@@ -9,10 +9,95 @@ use crate::version::JavaMinecraftVersion;
 pub fn build() -> TokenStream {
     // ViaBackwards mappings go new → old (26.1 → 1.21.11 → ... → 1.20.5)
     // This is the correct direction for a new server sending to old clients.
+    let node_1_10 = MappingNode {
+        version: JavaMinecraftVersion::V_1_10,
+        value: "../assets/viabackwards/data/mappings-1.11to1.10.nbt",
+        child: None,
+    };
+    let node_1_11 = MappingNode {
+        version: JavaMinecraftVersion::V_1_11,
+        value: "../assets/viabackwards/data/mappings-1.12to1.11.nbt",
+        child: Some(&node_1_10),
+    };
+    let node_1_12 = MappingNode {
+        version: JavaMinecraftVersion::V_1_12,
+        value: "../assets/viabackwards/data/mappings-1.13to1.12.nbt",
+        child: Some(&node_1_11),
+    };
+    let node_1_13 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13,
+        value: "../assets/viabackwards/data/mappings-1.13.2to1.13.nbt",
+        child: Some(&node_1_12),
+    };
+    let node_1_13_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13_2,
+        value: "../assets/viabackwards/data/mappings-1.14to1.13.2.nbt",
+        child: Some(&node_1_13),
+    };
+    let node_1_14 = MappingNode {
+        version: JavaMinecraftVersion::V_1_14,
+        value: "../assets/viabackwards/data/mappings-1.15to1.14.nbt",
+        child: Some(&node_1_13_2),
+    };
+    let node_1_15 = MappingNode {
+        version: JavaMinecraftVersion::V_1_15,
+        value: "../assets/viabackwards/data/mappings-1.16to1.15.nbt",
+        child: Some(&node_1_14),
+    };
+    let node_1_16 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16,
+        value: "../assets/viabackwards/data/mappings-1.16.2to1.16.nbt",
+        child: Some(&node_1_15),
+    };
+    let node_1_16_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16_2,
+        value: "../assets/viabackwards/data/mappings-1.17to1.16.2.nbt",
+        child: Some(&node_1_16),
+    };
+    let node_1_17 = MappingNode {
+        version: JavaMinecraftVersion::V_1_17,
+        value: "../assets/viabackwards/data/mappings-1.18to1.17.nbt",
+        child: Some(&node_1_16_2),
+    };
+    let node_1_18 = MappingNode {
+        version: JavaMinecraftVersion::V_1_18,
+        value: "../assets/viabackwards/data/mappings-1.19to1.18.nbt",
+        child: Some(&node_1_17),
+    };
+    let node_1_19 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19,
+        value: "../assets/viabackwards/data/mappings-1.19.3to1.19.nbt",
+        child: Some(&node_1_18),
+    };
+    let node_1_19_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_3,
+        value: "../assets/viabackwards/data/mappings-1.19.4to1.19.3.nbt",
+        child: Some(&node_1_19),
+    };
+    let node_1_19_4 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_4,
+        value: "../assets/viabackwards/data/mappings-1.20to1.19.4.nbt",
+        child: Some(&node_1_19_3),
+    };
+    let node_1_20 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20,
+        value: "../assets/viabackwards/data/mappings-1.20.2to1.20.nbt",
+        child: Some(&node_1_19_4),
+    };
+    let node_1_20_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_2,
+        value: "../assets/viabackwards/data/mappings-1.20.3to1.20.2.nbt",
+        child: Some(&node_1_20),
+    };
+    let node_1_20_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_3,
+        value: "../assets/viabackwards/data/mappings-1.20.5to1.20.3.nbt",
+        child: Some(&node_1_20_2),
+    };
     let node_1_20_5 = MappingNode {
         version: JavaMinecraftVersion::V_1_20_5,
         value: "../assets/viabackwards/data/mappings-1.21to1.20.5.nbt",
-        child: None,
+        child: Some(&node_1_20_3),
     };
     let node_1_21 = MappingNode {
         version: JavaMinecraftVersion::V_1_21,

pumpkin-codegen/src/remap/particle_id.rs

@@ -7,10 +7,95 @@ use crate::version::JavaMinecraftVersion;
 /// Generates the `TokenStream` for per-version particle ID remap tables and the
 /// `remap_particle_id_for_version` function.
 pub fn build() -> TokenStream {
+    let node_1_10 = MappingNode {
+        version: JavaMinecraftVersion::V_1_10,
+        value: "../assets/viabackwards/data/mappings-1.11to1.10.nbt",
+        child: None,
+    };
+    let node_1_11 = MappingNode {
+        version: JavaMinecraftVersion::V_1_11,
+        value: "../assets/viabackwards/data/mappings-1.12to1.11.nbt",
+        child: Some(&node_1_10),
+    };
+    let node_1_12 = MappingNode {
+        version: JavaMinecraftVersion::V_1_12,
+        value: "../assets/viabackwards/data/mappings-1.13to1.12.nbt",
+        child: Some(&node_1_11),
+    };
+    let node_1_13 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13,
+        value: "../assets/viabackwards/data/mappings-1.13.2to1.13.nbt",
+        child: Some(&node_1_12),
+    };
+    let node_1_13_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13_2,
+        value: "../assets/viabackwards/data/mappings-1.14to1.13.2.nbt",
+        child: Some(&node_1_13),
+    };
+    let node_1_14 = MappingNode {
+        version: JavaMinecraftVersion::V_1_14,
+        value: "../assets/viabackwards/data/mappings-1.15to1.14.nbt",
+        child: Some(&node_1_13_2),
+    };
+    let node_1_15 = MappingNode {
+        version: JavaMinecraftVersion::V_1_15,
+        value: "../assets/viabackwards/data/mappings-1.16to1.15.nbt",
+        child: Some(&node_1_14),
+    };
+    let node_1_16 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16,
+        value: "../assets/viabackwards/data/mappings-1.16.2to1.16.nbt",
+        child: Some(&node_1_15),
+    };
+    let node_1_16_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16_2,
+        value: "../assets/viabackwards/data/mappings-1.17to1.16.2.nbt",
+        child: Some(&node_1_16),
+    };
+    let node_1_17 = MappingNode {
+        version: JavaMinecraftVersion::V_1_17,
+        value: "../assets/viabackwards/data/mappings-1.18to1.17.nbt",
+        child: Some(&node_1_16_2),
+    };
+    let node_1_18 = MappingNode {
+        version: JavaMinecraftVersion::V_1_18,
+        value: "../assets/viabackwards/data/mappings-1.19to1.18.nbt",
+        child: Some(&node_1_17),
+    };
+    let node_1_19 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19,
+        value: "../assets/viabackwards/data/mappings-1.19.3to1.19.nbt",
+        child: Some(&node_1_18),
+    };
+    let node_1_19_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_3,
+        value: "../assets/viabackwards/data/mappings-1.19.4to1.19.3.nbt",
+        child: Some(&node_1_19),
+    };
+    let node_1_19_4 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_4,
+        value: "../assets/viabackwards/data/mappings-1.20to1.19.4.nbt",
+        child: Some(&node_1_19_3),
+    };
+    let node_1_20 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20,
+        value: "../assets/viabackwards/data/mappings-1.20.2to1.20.nbt",
+        child: Some(&node_1_19_4),
+    };
+    let node_1_20_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_2,
+        value: "../assets/viabackwards/data/mappings-1.20.3to1.20.2.nbt",
+        child: Some(&node_1_20),
+    };
+    let node_1_20_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_3,
+        value: "../assets/viabackwards/data/mappings-1.20.5to1.20.3.nbt",
+        child: Some(&node_1_20_2),
+    };
     let node_1_20_5 = MappingNode {
         version: JavaMinecraftVersion::V_1_20_5,
         value: "../assets/viabackwards/data/mappings-1.21to1.20.5.nbt",
-        child: None,
+        child: Some(&node_1_20_3),
     };
     let node_1_21 = MappingNode {
         version: JavaMinecraftVersion::V_1_21,

pumpkin-codegen/src/remap/sound_id.rs

@@ -7,10 +7,95 @@ use crate::version::JavaMinecraftVersion;
 /// Generates the `TokenStream` for per-version sound ID remap tables and the
 /// `remap_sound_id_for_version` function.
 pub fn build() -> TokenStream {
+    let node_1_10 = MappingNode {
+        version: JavaMinecraftVersion::V_1_10,
+        value: "../assets/viabackwards/data/mappings-1.11to1.10.nbt",
+        child: None,
+    };
+    let node_1_11 = MappingNode {
+        version: JavaMinecraftVersion::V_1_11,
+        value: "../assets/viabackwards/data/mappings-1.12to1.11.nbt",
+        child: Some(&node_1_10),
+    };
+    let node_1_12 = MappingNode {
+        version: JavaMinecraftVersion::V_1_12,
+        value: "../assets/viabackwards/data/mappings-1.13to1.12.nbt",
+        child: Some(&node_1_11),
+    };
+    let node_1_13 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13,
+        value: "../assets/viabackwards/data/mappings-1.13.2to1.13.nbt",
+        child: Some(&node_1_12),
+    };
+    let node_1_13_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_13_2,
+        value: "../assets/viabackwards/data/mappings-1.14to1.13.2.nbt",
+        child: Some(&node_1_13),
+    };
+    let node_1_14 = MappingNode {
+        version: JavaMinecraftVersion::V_1_14,
+        value: "../assets/viabackwards/data/mappings-1.15to1.14.nbt",
+        child: Some(&node_1_13_2),
+    };
+    let node_1_15 = MappingNode {
+        version: JavaMinecraftVersion::V_1_15,
+        value: "../assets/viabackwards/data/mappings-1.16to1.15.nbt",
+        child: Some(&node_1_14),
+    };
+    let node_1_16 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16,
+        value: "../assets/viabackwards/data/mappings-1.16.2to1.16.nbt",
+        child: Some(&node_1_15),
+    };
+    let node_1_16_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_16_2,
+        value: "../assets/viabackwards/data/mappings-1.17to1.16.2.nbt",
+        child: Some(&node_1_16),
+    };
+    let node_1_17 = MappingNode {
+        version: JavaMinecraftVersion::V_1_17,
+        value: "../assets/viabackwards/data/mappings-1.18to1.17.nbt",
+        child: Some(&node_1_16_2),
+    };
+    let node_1_18 = MappingNode {
+        version: JavaMinecraftVersion::V_1_18,
+        value: "../assets/viabackwards/data/mappings-1.19to1.18.nbt",
+        child: Some(&node_1_17),
+    };
+    let node_1_19 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19,
+        value: "../assets/viabackwards/data/mappings-1.19.3to1.19.nbt",
+        child: Some(&node_1_18),
+    };
+    let node_1_19_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_3,
+        value: "../assets/viabackwards/data/mappings-1.19.4to1.19.3.nbt",
+        child: Some(&node_1_19),
+    };
+    let node_1_19_4 = MappingNode {
+        version: JavaMinecraftVersion::V_1_19_4,
+        value: "../assets/viabackwards/data/mappings-1.20to1.19.4.nbt",
+        child: Some(&node_1_19_3),
+    };
+    let node_1_20 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20,
+        value: "../assets/viabackwards/data/mappings-1.20.2to1.20.nbt",
+        child: Some(&node_1_19_4),
+    };
+    let node_1_20_2 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_2,
+        value: "../assets/viabackwards/data/mappings-1.20.3to1.20.2.nbt",
+        child: Some(&node_1_20),
+    };
+    let node_1_20_3 = MappingNode {
+        version: JavaMinecraftVersion::V_1_20_3,
+        value: "../assets/viabackwards/data/mappings-1.20.5to1.20.3.nbt",
+        child: Some(&node_1_20_2),
+    };
     let node_1_20_5 = MappingNode {
         version: JavaMinecraftVersion::V_1_20_5,
         value: "../assets/viabackwards/data/mappings-1.21to1.20.5.nbt",
-        child: None,
+        child: Some(&node_1_20_3),
     };
     let node_1_21 = MappingNode {
         version: JavaMinecraftVersion::V_1_21,