Merge branch 'master' into master

Cargo.toml

@@ -1,6 +1,17 @@
 [workspace]
 resolver = "2"
-members = [ "pumpkin-config", "pumpkin-core", "pumpkin-entity", "pumpkin-inventory", "pumpkin-macros/", "pumpkin-plugin", "pumpkin-protocol/", "pumpkin-registry/", "pumpkin-world", "pumpkin/"]
+members = [
+    "pumpkin-config",
+    "pumpkin-core",
+    "pumpkin-entity",
+    "pumpkin-inventory",
+    "pumpkin-macros/",
+    "pumpkin-plugin",
+    "pumpkin-protocol/",
+    "pumpkin-registry/",
+    "pumpkin-world",
+    "pumpkin/",
+]
 
 [workspace.package]
 version = "0.1.0"
@@ -13,7 +24,14 @@ codegen-units = 1
 
 [workspace.dependencies]
 log = "0.4"
-tokio = { version = "1.39.2", features = ["net", "macros", "rt-multi-thread", "fs", "io-util", "sync"] }
+tokio = { version = "1.40", features = [
+    "net",
+    "macros",
+    "rt-multi-thread",
+    "fs",
+    "io-util",
+    "sync",
+] }
 rayon = "1.10.0"
 uuid = { version = "1.10.0", features = ["serde", "v3"] }
 derive_more = { version = "1.0.0", features = ["full"] }

pumpkin-config/Cargo.toml

@@ -5,8 +5,8 @@ edition.workspace = true
 
 [dependencies]
 pumpkin-core = { path = "../pumpkin-core" }
+serde.workspace = true
+log.workspace = true
 
-serde = "1.0"
 toml = "0.8"
 
-log.workspace = true

pumpkin-core/Cargo.toml

@@ -5,8 +5,8 @@ edition.workspace = true
 
 [dependencies]
 serde.workspace = true
-fastnbt = { git = "https://github.com/owengage/fastnbt.git" }
 uuid.workspace = true
+fastnbt = { git = "https://github.com/owengage/fastnbt.git" }
 colored = "2"
 md5 = "0.7.0"
 

pumpkin-core/src/text/hover.rs

@@ -6,7 +6,6 @@ use super::Text;
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 #[serde(tag = "action", content = "contents", rename_all = "snake_case")]
-#[allow(clippy::enum_variant_names)]
 pub enum HoverEvent<'a> {
     /// Displays a tooltip with the given text.
     ShowText(Text<'a>),

pumpkin-entity/Cargo.toml

@@ -5,6 +5,3 @@ edition.workspace = true
 
 [dependencies]
 pumpkin-core = { path = "../pumpkin-core"}
-
-num-traits = "0.2"
-num-derive = "0.4"

pumpkin-inventory/src/player.rs

@@ -2,8 +2,6 @@ use crate::container_click::MouseClick;
 use crate::{handle_item_change, Container, InventoryError, WindowType};
 use pumpkin_world::item::ItemStack;
 
-#[allow(dead_code)]
-#[derive(Debug)]
 pub struct PlayerInventory {
     // Main Inventory + Hotbar
     crafting: [Option<ItemStack>; 4],

pumpkin-macros/Cargo.toml

@@ -7,6 +7,6 @@ edition.workspace = true
 proc-macro = true
 
 [dependencies]
-proc-macro2 = "1.0.86"
-quote = "1.0.37"
-syn = "2.0.76"
+proc-macro2 = "1.0"
+quote = "1.0"
+syn = "2.0"

pumpkin-plugin/Cargo.toml

@@ -4,6 +4,6 @@ version.workspace = true
 edition.workspace = true
 
 [dependencies]
-extism = "1.5.0"
-log.workspace = true
 serde.workspace = true
+log.workspace = true
+extism = "1.6.0"

pumpkin-protocol/Cargo.toml

@@ -13,12 +13,10 @@ bytes = "1.7"
 uuid.workspace = true
 
 serde.workspace = true
-# to parse strings to json responses
-serde_json = "1.0"
 
 flate2 = "1.0.33"
 
-thiserror = "1.0.63"
+thiserror = "1.0"
 log.workspace = true
 num-traits = "0.2"
 num-derive = "0.4"
@@ -26,6 +24,6 @@ num-derive = "0.4"
 # encryption
 aes = "0.8.4"
 cfb8 = "0.8.1"
-take_mut = "0.2.2"
+
 itertools = "0.13.0"
 fastnbt = { git = "https://github.com/owengage/fastnbt.git" }

pumpkin-protocol/src/bytebuf/deserializer.rs

@@ -45,77 +45,77 @@ impl<'a, 'de> de::Deserializer<'de> for Deserializer<'a> {
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_bool(self.inner.get_bool())
+        visitor.visit_bool(self.inner.get_bool()?)
     }
 
     fn deserialize_i8<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_i8(self.inner.get_i8())
+        visitor.visit_i8(self.inner.get_i8()?)
     }
 
     fn deserialize_i16<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_i16(self.inner.get_i16())
+        visitor.visit_i16(self.inner.get_i16()?)
     }
 
     fn deserialize_i32<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_i32(self.inner.get_i32())
+        visitor.visit_i32(self.inner.get_i32()?)
     }
 
     fn deserialize_i64<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_i64(self.inner.get_i64())
+        visitor.visit_i64(self.inner.get_i64()?)
     }
 
     fn deserialize_u8<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_u8(self.inner.get_u8())
+        visitor.visit_u8(self.inner.get_u8()?)
     }
 
     fn deserialize_u16<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_u16(self.inner.get_u16())
+        visitor.visit_u16(self.inner.get_u16()?)
     }
 
     fn deserialize_u32<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_u32(self.inner.get_u32())
+        visitor.visit_u32(self.inner.get_u32()?)
     }
 
     fn deserialize_u64<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_u64(self.inner.get_u64())
+        visitor.visit_u64(self.inner.get_u64()?)
     }
 
     fn deserialize_f32<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_f32(self.inner.get_f32())
+        visitor.visit_f32(self.inner.get_f32()?)
     }
 
     fn deserialize_f64<V>(self, visitor: V) -> Result<V::Value, Self::Error>
     where
         V: de::Visitor<'de>,
     {
-        visitor.visit_f64(self.inner.get_f64())
+        visitor.visit_f64(self.inner.get_f64()?)
     }
 
     fn deserialize_char<V>(self, _visitor: V) -> Result<V::Value, Self::Error>
@@ -129,7 +129,7 @@ impl<'a, 'de> de::Deserializer<'de> for Deserializer<'a> {
     where
         V: de::Visitor<'de>,
     {
-        let string = self.inner.get_string().map_err(DeserializerError::Stdio)?;
+        let string = self.inner.get_string()?;
         visitor.visit_str(&string)
     }
 
@@ -137,7 +137,7 @@ impl<'a, 'de> de::Deserializer<'de> for Deserializer<'a> {
     where
         V: de::Visitor<'de>,
     {
-        let string = self.inner.get_string().map_err(DeserializerError::Stdio)?;
+        let string = self.inner.get_string()?;
         visitor.visit_str(&string)
     }
 

pumpkin-protocol/src/bytebuf/mod.rs

@@ -1,7 +1,6 @@
 use crate::{BitSet, FixedBitSet, VarInt, VarLongType};
 use bytes::{Buf, BufMut, BytesMut};
 use core::str;
-use std::io::{self, Error, ErrorKind};
 
 mod deserializer;
 pub use deserializer::DeserializerError;
@@ -26,12 +25,12 @@ impl ByteBuffer {
         Self { buffer }
     }
 
-    pub fn get_var_int(&mut self) -> VarInt {
+    pub fn get_var_int(&mut self) -> Result<VarInt, DeserializerError> {
         let mut value: i32 = 0;
         let mut position: i32 = 0;
 
         loop {
-            let read = self.buffer.get_u8();
+            let read = self.get_u8()?;
 
             value |= ((read & SEGMENT_BITS) as i32) << position;
 
@@ -42,19 +41,19 @@ impl ByteBuffer {
             position += 7;
 
             if position >= 32 {
-                panic!("VarInt is too big");
+                return Err(DeserializerError::Message("VarInt is too big".to_string()));
             }
         }
 
-        VarInt(value)
+        Ok(VarInt(value))
     }
 
-    pub fn get_var_long(&mut self) -> VarLongType {
+    pub fn get_var_long(&mut self) -> Result<VarLongType, DeserializerError> {
         let mut value: i64 = 0;
         let mut position: i64 = 0;
 
         loop {
-            let read = self.buffer.get_u8();
+            let read = self.get_u8()?;
 
             value |= ((read & SEGMENT_BITS) as i64) << position;
 
@@ -65,49 +64,48 @@ impl ByteBuffer {
             position += 7;
 
             if position >= 64 {
-                panic!("VarInt is too big");
+                return Err(DeserializerError::Message("VarLong is too big".to_string()));
             }
         }
 
-        value
+        Ok(value)
     }
 
-    pub fn get_string(&mut self) -> Result<String, io::Error> {
+    pub fn get_string(&mut self) -> Result<String, DeserializerError> {
         self.get_string_len(32767)
     }
 
-    pub fn get_string_len(&mut self, max_size: usize) -> Result<String, io::Error> {
-        let size = self.get_var_int().0;
+    pub fn get_string_len(&mut self, max_size: usize) -> Result<String, DeserializerError> {
+        let size = self.get_var_int()?.0;
         if size as usize > max_size {
-            return Err(Error::new(
-                ErrorKind::InvalidData,
-                "String length is bigger than max size",
+            return Err(DeserializerError::Message(
+                "String length is bigger than max size".to_string(),
             ));
         }
-        let data = self.buffer.copy_to_bytes(size as usize);
+
+        let data = self.copy_to_bytes(size as usize)?;
         if data.len() > max_size {
-            return Err(Error::new(
-                ErrorKind::InvalidData,
-                "String is bigger than max size",
+            return Err(DeserializerError::Message(
+                "String is bigger than max size".to_string(),
             ));
         }
         match str::from_utf8(&data) {
             Ok(string_result) => Ok(string_result.to_string()),
-            Err(e) => Err(Error::new(ErrorKind::InvalidData, e)),
+            Err(e) => Err(DeserializerError::Message(e.to_string())),
         }
     }
 
-    pub fn get_bool(&mut self) -> bool {
-        self.buffer.get_u8() != 0
+    pub fn get_bool(&mut self) -> Result<bool, DeserializerError> {
+        Ok(self.get_u8()? != 0)
     }
 
-    pub fn get_uuid(&mut self) -> uuid::Uuid {
+    pub fn get_uuid(&mut self) -> Result<uuid::Uuid, DeserializerError> {
         let mut bytes = [0u8; 16];
-        self.buffer.copy_to_slice(&mut bytes);
-        uuid::Uuid::from_slice(&bytes).expect("Failed to parse UUID")
+        self.copy_to_slice(&mut bytes)?;
+        Ok(uuid::Uuid::from_slice(&bytes).expect("Failed to parse UUID"))
     }
 
-    pub fn get_fixed_bitset(&mut self, bits: usize) -> FixedBitSet {
+    pub fn get_fixed_bitset(&mut self, bits: usize) -> Result<FixedBitSet, DeserializerError> {
         self.copy_to_bytes(bits.div_ceil(8))
     }
 
@@ -161,11 +159,14 @@ impl ByteBuffer {
 
     /// Reads a boolean. If true, the closure is called, and the returned value is
     /// wrapped in Some. Otherwise, this returns None.
-    pub fn get_option<T>(&mut self, val: impl FnOnce(&mut Self) -> T) -> Option<T> {
-        if self.get_bool() {
-            Some(val(self))
+    pub fn get_option<T>(
+        &mut self,
+        val: impl FnOnce(&mut Self) -> Result<T, DeserializerError>,
+    ) -> Result<Option<T>, DeserializerError> {
+        if self.get_bool()? {
+            Ok(Some(val(self)?))
         } else {
-            None
+            Ok(None)
         }
     }
     /// Writes `true` if the option is Some, or `false` if None. If the option is
@@ -177,13 +178,16 @@ impl ByteBuffer {
         }
     }
 
-    pub fn get_list<T>(&mut self, val: impl Fn(&mut Self) -> T) -> Vec<T> {
-        let len = self.get_var_int().0 as usize;
+    pub fn get_list<T>(
+        &mut self,
+        val: impl Fn(&mut Self) -> Result<T, DeserializerError>,
+    ) -> Result<Vec<T>, DeserializerError> {
+        let len = self.get_var_int()?.0 as usize;
         let mut list = Vec::with_capacity(len);
         for _ in 0..len {
-            list.push(val(self));
+            list.push(val(self)?);
         }
-        list
+        Ok(list)
     }
     /// Writes a list to the buffer.
     pub fn put_list<T>(&mut self, list: &[T], write: impl Fn(&mut Self, &T)) {
@@ -211,50 +215,109 @@ impl ByteBuffer {
     pub fn buf(&mut self) -> &mut BytesMut {
         &mut self.buffer
     }
+
+    // Trait equivalents
+    pub fn get_u8(&mut self) -> Result<u8, DeserializerError> {
+        if self.buffer.has_remaining() {
+            Ok(self.buffer.get_u8())
+        } else {
+            Err(DeserializerError::Message(
+                "No bytes left to consume".to_string(),
+            ))
+        }
     }
 
-// trait
-impl ByteBuffer {
-    pub fn get_u8(&mut self) -> u8 {
-        self.buffer.get_u8()
+    pub fn get_i8(&mut self) -> Result<i8, DeserializerError> {
+        if self.buffer.has_remaining() {
+            Ok(self.buffer.get_i8())
+        } else {
+            Err(DeserializerError::Message(
+                "No bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_i8(&mut self) -> i8 {
-        self.buffer.get_i8()
+    pub fn get_u16(&mut self) -> Result<u16, DeserializerError> {
+        if self.buffer.remaining() >= 2 {
+            Ok(self.buffer.get_u16())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 2 bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_u16(&mut self) -> u16 {
-        self.buffer.get_u16()
+    pub fn get_i16(&mut self) -> Result<i16, DeserializerError> {
+        if self.buffer.remaining() >= 2 {
+            Ok(self.buffer.get_i16())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 2 bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_i16(&mut self) -> i16 {
-        self.buffer.get_i16()
+    pub fn get_u32(&mut self) -> Result<u32, DeserializerError> {
+        if self.buffer.remaining() >= 4 {
+            Ok(self.buffer.get_u32())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 4 bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_u32(&mut self) -> u32 {
-        self.buffer.get_u32()
+    pub fn get_i32(&mut self) -> Result<i32, DeserializerError> {
+        if self.buffer.remaining() >= 4 {
+            Ok(self.buffer.get_i32())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 4 bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_i32(&mut self) -> i32 {
-        self.buffer.get_i32()
+    pub fn get_u64(&mut self) -> Result<u64, DeserializerError> {
+        if self.buffer.remaining() >= 8 {
+            Ok(self.buffer.get_u64())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 8 bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_u64(&mut self) -> u64 {
-        self.buffer.get_u64()
+    pub fn get_i64(&mut self) -> Result<i64, DeserializerError> {
+        if self.buffer.remaining() >= 8 {
+            Ok(self.buffer.get_i64())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 8 bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_i64(&mut self) -> i64 {
-        self.buffer.get_i64()
+    pub fn get_f32(&mut self) -> Result<f32, DeserializerError> {
+        if self.buffer.remaining() >= 4 {
+            Ok(self.buffer.get_f32())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 4 bytes left to consume".to_string(),
+            ))
+        }
     }
 
-    pub fn get_f32(&mut self) -> f32 {
-        self.buffer.get_f32()
-    }
-
-    pub fn get_f64(&mut self) -> f64 {
-        self.buffer.get_f64()
+    pub fn get_f64(&mut self) -> Result<f64, DeserializerError> {
+        if self.buffer.remaining() >= 8 {
+            Ok(self.buffer.get_f64())
+        } else {
+            Err(DeserializerError::Message(
+                "Less than 8 bytes left to consume".to_string(),
+            ))
+        }
     }
 
+    // TODO: SerializerError?
     pub fn put_u8(&mut self, n: u8) {
         self.buffer.put_u8(n)
     }
@@ -295,12 +358,25 @@ impl ByteBuffer {
         self.buffer.put_f64(n)
     }
 
-    pub fn copy_to_bytes(&mut self, len: usize) -> bytes::Bytes {
-        self.buffer.copy_to_bytes(len)
+    pub fn copy_to_bytes(&mut self, len: usize) -> Result<bytes::Bytes, DeserializerError> {
+        if self.buffer.len() >= len {
+            Ok(self.buffer.copy_to_bytes(len))
+        } else {
+            Err(DeserializerError::Message(
+                "Unable to copy bytes".to_string(),
+            ))
+        }
     }
 
-    pub fn copy_to_slice(&mut self, dst: &mut [u8]) {
-        self.buffer.copy_to_slice(dst)
+    pub fn copy_to_slice(&mut self, dst: &mut [u8]) -> Result<(), DeserializerError> {
+        if self.buffer.remaining() >= dst.len() {
+            self.buffer.copy_to_slice(dst);
+            Ok(())
+        } else {
+            Err(DeserializerError::Message(
+                "Unable to copy slice".to_string(),
+            ))
+        }
     }
 
     pub fn put_slice(&mut self, src: &[u8]) {

pumpkin-protocol/src/bytebuf/packet_id.rs

@@ -83,12 +83,13 @@ where
     P: Packet + Serialize,
 {
     fn write(&self, bytebuf: &mut ByteBuffer) {
-        take_mut::take(bytebuf, |bytebuf| {
-            let mut serializer = serializer::Serializer::new(bytebuf);
+        let mut serializer = serializer::Serializer::new(ByteBuffer::empty());
         self.serialize(&mut serializer)
             .expect("Could not serialize packet");
-            serializer.into()
-        });
+        // We write the packet in an empty bytebuffer and then put it into our current one.
+        // In the future we may do packet batching thats the reason i don't let every packet create a new bytebuffer and use
+        // an existing instead
+        bytebuf.put(serializer.output.buf());
     }
 }
 

pumpkin-protocol/src/bytebuf/serializer.rs

@@ -9,7 +9,7 @@ use thiserror::Error;
 use super::ByteBuffer;
 
 pub struct Serializer {
-    output: ByteBuffer,
+    pub output: ByteBuffer,
 }
 
 impl Serializer {

pumpkin-protocol/src/client/play/c_login.rs

@@ -30,7 +30,7 @@ pub struct CLogin<'a> {
 }
 
 impl<'a> CLogin<'a> {
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn new(
         entity_id: i32,
         is_hardcore: bool,

pumpkin-protocol/src/client/play/c_particle.rs

@@ -21,7 +21,7 @@ pub struct CParticle<'a> {
 }
 
 impl<'a> CParticle<'a> {
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn new(
         long_distance: bool,
         x: f64,

pumpkin-protocol/src/client/play/c_player_chat_message.rs

@@ -22,7 +22,7 @@ pub struct CPlayerChatMessage<'a> {
 }
 
 impl<'a> CPlayerChatMessage<'a> {
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn new(
         sender: UUID,
         index: VarInt,

pumpkin-protocol/src/client/play/c_spawn_player.rs

@@ -22,7 +22,7 @@ pub struct CSpawnEntity {
 }
 
 impl CSpawnEntity {
-    #[allow(clippy::too_many_arguments)]
+    #[expect(clippy::too_many_arguments)]
     pub fn new(
         entity_id: VarInt,
         entity_uuid: UUID,

pumpkin-protocol/src/packet_encoder.rs

@@ -22,8 +22,6 @@ pub struct PacketEncoder {
 }
 
 impl PacketEncoder {
-    // i think clippy is broken
-    #[allow(clippy::needless_borrows_for_generic_args)]
     pub fn append_packet<P: ClientPacket>(&mut self, packet: &P) -> Result<(), PacketError> {
         let start_len = self.buf.len();
 
@@ -87,6 +85,7 @@ impl PacketEncoder {
 
                 let mut front = &mut self.buf[start_len..];
 
+                #[allow(clippy::needless_borrows_for_generic_args)]
                 VarInt(packet_len as i32)
                     .encode(&mut front)
                     .map_err(|_| PacketError::EncodeLength)?;

pumpkin-protocol/src/server/handshake/mod.rs

@@ -16,10 +16,10 @@ pub struct SHandShake {
 impl ServerPacket for SHandShake {
     fn read(bytebuf: &mut ByteBuffer) -> Result<Self, DeserializerError> {
         Ok(Self {
-            protocol_version: bytebuf.get_var_int(),
-            server_address: bytebuf.get_string_len(255).unwrap(),
-            server_port: bytebuf.get_u16(),
-            next_state: bytebuf.get_var_int().into(),
+            protocol_version: bytebuf.get_var_int()?,
+            server_address: bytebuf.get_string_len(255)?,
+            server_port: bytebuf.get_u16()?,
+            next_state: bytebuf.get_var_int()?.into(),
         })
     }
 }

pumpkin-protocol/src/server/login/s_encryption_response.rs

@@ -15,10 +15,10 @@ pub struct SEncryptionResponse {
 
 impl ServerPacket for SEncryptionResponse {
     fn read(bytebuf: &mut ByteBuffer) -> Result<Self, DeserializerError> {
-        let shared_secret_length = bytebuf.get_var_int();
-        let shared_secret = bytebuf.copy_to_bytes(shared_secret_length.0 as usize);
-        let verify_token_length = bytebuf.get_var_int();
-        let verify_token = bytebuf.copy_to_bytes(shared_secret_length.0 as usize);
+        let shared_secret_length = bytebuf.get_var_int()?;
+        let shared_secret = bytebuf.copy_to_bytes(shared_secret_length.0 as usize)?;
+        let verify_token_length = bytebuf.get_var_int()?;
+        let verify_token = bytebuf.copy_to_bytes(shared_secret_length.0 as usize)?;
         Ok(Self {
             shared_secret_length,
             shared_secret: shared_secret.to_vec(),

pumpkin-protocol/src/server/login/s_login_start.rs

@@ -14,8 +14,8 @@ pub struct SLoginStart {
 impl ServerPacket for SLoginStart {
     fn read(bytebuf: &mut ByteBuffer) -> Result<Self, DeserializerError> {
         Ok(Self {
-            name: bytebuf.get_string_len(16).unwrap(),
-            uuid: bytebuf.get_uuid(),
+            name: bytebuf.get_string_len(16)?,
+            uuid: bytebuf.get_uuid()?,
         })
     }
 }

pumpkin-protocol/src/server/login/s_plugin_response.rs

@@ -16,9 +16,9 @@ pub struct SLoginPluginResponse {
 impl ServerPacket for SLoginPluginResponse {
     fn read(bytebuf: &mut ByteBuffer) -> Result<Self, DeserializerError> {
         Ok(Self {
-            message_id: bytebuf.get_var_int(),
-            successful: bytebuf.get_bool(),
-            data: bytebuf.get_option(|v| v.get_slice()),
+            message_id: bytebuf.get_var_int()?,
+            successful: bytebuf.get_bool()?,
+            data: bytebuf.get_option(|v| Ok(v.get_slice()))?,
         })
     }
 }

pumpkin-protocol/src/server/play/s_chat_message.rs

@@ -21,12 +21,12 @@ pub struct SChatMessage {
 impl ServerPacket for SChatMessage {
     fn read(bytebuf: &mut ByteBuffer) -> Result<Self, DeserializerError> {
         Ok(Self {
-            message: bytebuf.get_string().unwrap(),
-            timestamp: bytebuf.get_i64(),
-            salt: bytebuf.get_i64(),
-            signature: bytebuf.get_option(|v| v.copy_to_bytes(256)),
-            message_count: bytebuf.get_var_int(),
-            acknowledged: bytebuf.get_fixed_bitset(20),
+            message: bytebuf.get_string()?,
+            timestamp: bytebuf.get_i64()?,
+            salt: bytebuf.get_i64()?,
+            signature: bytebuf.get_option(|v| v.copy_to_bytes(256))?,
+            message_count: bytebuf.get_var_int()?,
+            acknowledged: bytebuf.get_fixed_bitset(20)?,
         })
     }
 }

pumpkin-protocol/src/server/play/s_interact.rs

@@ -18,8 +18,8 @@ impl ServerPacket for SInteract {
     fn read(
         bytebuf: &mut crate::bytebuf::ByteBuffer,
     ) -> Result<Self, crate::bytebuf::DeserializerError> {
-        let entity_id = bytebuf.get_var_int();
-        let typ = bytebuf.get_var_int();
+        let entity_id = bytebuf.get_var_int()?;
+        let typ = bytebuf.get_var_int()?;
         let action = ActionType::from_i32(typ.0).ok_or(DeserializerError::Message(
             "invalid action type".to_string(),
         ))?;
@@ -27,13 +27,13 @@ impl ServerPacket for SInteract {
             ActionType::Interact => None,
             ActionType::Attack => None,
             ActionType::InteractAt => {
-                Some((bytebuf.get_f32(), bytebuf.get_f32(), bytebuf.get_f32()))
+                Some((bytebuf.get_f32()?, bytebuf.get_f32()?, bytebuf.get_f32()?))
             }
         };
         let hand = match action {
-            ActionType::Interact => Some(bytebuf.get_var_int()),
+            ActionType::Interact => Some(bytebuf.get_var_int()?),
             ActionType::Attack => None,
-            ActionType::InteractAt => Some(bytebuf.get_var_int()),
+            ActionType::InteractAt => Some(bytebuf.get_var_int()?),
         };
 
         Ok(Self {
@@ -41,7 +41,7 @@ impl ServerPacket for SInteract {
             typ,
             target_position,
             hand,
-            sneaking: bytebuf.get_bool(),
+            sneaking: bytebuf.get_bool()?,
         })
     }
 }

pumpkin-protocol/src/server/play/s_player_command.rs

@@ -25,9 +25,9 @@ pub enum Action {
 impl ServerPacket for SPlayerCommand {
     fn read(bytebuf: &mut crate::bytebuf::ByteBuffer) -> Result<Self, DeserializerError> {
         Ok(Self {
-            entity_id: bytebuf.get_var_int(),
-            action: bytebuf.get_var_int(),
-            jump_boost: bytebuf.get_var_int(),
+            entity_id: bytebuf.get_var_int()?,
+            action: bytebuf.get_var_int()?,
+            jump_boost: bytebuf.get_var_int()?,
         })
     }
 }

pumpkin-protocol/src/slot.rs

@@ -7,7 +7,6 @@ use serde::{
 };
 
 #[derive(Debug, Clone)]
-#[allow(dead_code)]
 pub struct Slot {
     item_count: VarInt,
     item_id: Option<VarInt>,

pumpkin-registry/Cargo.toml

@@ -9,6 +9,5 @@ pumpkin-core = { path = "../pumpkin-core"}
 
 # nbt
 fastnbt = { git = "https://github.com/owengage/fastnbt.git" }
-fastsnbt = "0.2"
 
 serde.workspace = true

pumpkin-registry/src/lib.rs

@@ -33,12 +33,12 @@ impl Registry {
             registry_id: "minecraft:worldgen/biome".to_string(),
             registry_entries: vec![
                 RegistryEntry {
-                    entry_id: "minecraft:snowy_taiga",
+                    entry_id: "minecraft:plains",
                     data: fastnbt::to_bytes_with_opts(&Biome::default(), SerOpts::network_nbt())
                         .unwrap(),
                 },
                 RegistryEntry {
-                    entry_id: "minecraft:plains",
+                    entry_id: "minecraft:snowy_taiga",
                     data: fastnbt::to_bytes_with_opts(&Biome::default(), SerOpts::network_nbt())
                         .unwrap(),
                 },

pumpkin-world/Cargo.toml

@@ -6,20 +6,22 @@ edition.workspace = true
 [dependencies]
 pumpkin-core = { path = "../pumpkin-core"}
 
-
 fastnbt = { git = "https://github.com/owengage/fastnbt.git" }
-fastsnbt = "0.2"
 tokio.workspace = true
 rayon.workspace = true
 derive_more.workspace = true
 itertools = "0.13.0"
-thiserror = "1.0.63"
-futures = "0.3.30"
-flate2 = "1.0.33"
+thiserror = "1.0"
+futures = "0.3"
+flate2 = "1.0"
 serde.workspace = true
 serde_json = "1.0"
 static_assertions = "1.1.0"
 log.workspace = true
 
+noise = "0.9.0"
+
+rand = "0.8.5"
+
 num-traits = "0.2"
 num-derive = "0.4"

pumpkin-world/src/biome.rs

@@ -1,9 +1,11 @@
 use serde::{Deserialize, Serialize};
 
 // TODO make this work with the protocol
+// Send by the registry
 #[derive(Serialize, Deserialize, Clone, Copy)]
 #[non_exhaustive]
 pub enum Biome {
     Plains,
+    SnowyTiga,
     // TODO list all Biomes
 }

pumpkin-world/src/chunk.rs

@@ -54,7 +54,7 @@ pub struct ChunkHeightmaps {
 }
 
 #[derive(Deserialize, Debug)]
-#[allow(dead_code)]
+#[expect(dead_code)]
 struct ChunkSection {
     #[serde(rename = "Y")]
     y: i32,
@@ -64,7 +64,7 @@ struct ChunkSection {
 #[derive(Deserialize, Debug)]
 #[serde(rename_all = "PascalCase")]
 struct ChunkNbt {
-    #[allow(dead_code)]
+    #[expect(dead_code)]
     data_version: usize,
 
     #[serde(rename = "sections")]
@@ -171,7 +171,7 @@ impl ChunkBlocks {
         index.y.get_absolute() as usize * CHUNK_AREA + *index.z as usize * 16 + *index.x as usize
     }
 
-    #[allow(dead_code)]
+    #[expect(dead_code)]
     fn calculate_heightmap(&self) -> ChunkHeightmaps {
         // figure out how LongArray is formatted
         // figure out how to find out if block is motion blocking

pumpkin-world/src/global_registry.rs

@@ -24,7 +24,6 @@ pub fn get_protocol_id(category: &str, entry: &str) -> u32 {
         .expect("No Entry found")
 }
 
-#[allow(dead_code)]
 pub fn get_default<'a>(category: &str) -> Option<&'a str> {
     REGISTRY
         .get(category)

pumpkin-world/src/item/item_registry.rs

@@ -28,12 +28,12 @@ pub struct ItemElement {
     components: ItemComponents,
 }
 
-#[allow(dead_code)]
+#[expect(dead_code)]
 pub fn get_item_element(item_id: &str) -> &ItemComponents {
     &ITEMS.get(item_id).expect("Item not found").components
 }
 
-#[allow(dead_code)]
+#[expect(dead_code)]
 pub fn get_item_protocol_id(item_id: &str) -> u32 {
     global_registry::get_protocol_id(ITEM_REGISTRY, item_id)
 }

pumpkin-world/src/level.rs

@@ -26,7 +26,7 @@ pub struct Level {
 }
 
 struct SaveFile {
-    #[allow(dead_code)]
+    #[expect(dead_code)]
     root_folder: PathBuf,
     region_folder: PathBuf,
 }
@@ -277,7 +277,7 @@ impl Level {
         match compression {
             Compression::Gzip => {
                 let mut z = GzDecoder::new(&compressed_data[..]);
-                let mut chunk_data = Vec::new();
+                let mut chunk_data = Vec::with_capacity(compressed_data.len());
                 match z.read_to_end(&mut chunk_data) {
                     Ok(_) => {}
                     Err(e) => {
@@ -288,7 +288,7 @@ impl Level {
             }
             Compression::Zlib => {
                 let mut z = ZlibDecoder::new(&compressed_data[..]);
-                let mut chunk_data = Vec::new();
+                let mut chunk_data = Vec::with_capacity(compressed_data.len());
                 match z.read_to_end(&mut chunk_data) {
                     Ok(_) => {}
                     Err(e) => {

pumpkin-world/src/world_gen/generator.rs

@@ -1,3 +1,4 @@
+use noise::Perlin;
 use pumpkin_core::math::vector2::Vector2;
 use static_assertions::assert_obj_safe;
 
@@ -12,7 +13,6 @@ pub trait GeneratorInit {
 }
 
 pub trait WorldGenerator: Sync + Send {
-    #[allow(dead_code)]
     fn generate_chunk(&self, at: Vector2<i32>) -> ChunkData;
 }
 assert_obj_safe! {WorldGenerator}
@@ -21,6 +21,17 @@ pub(crate) trait BiomeGenerator: Sync + Send {
     fn generate_biome(&self, at: XZBlockCoordinates) -> Biome;
 }
 
+#[expect(dead_code)]
 pub(crate) trait TerrainGenerator: Sync + Send {
+    fn prepare_chunk(&self, at: &Vector2<i32>);
+
+    /// Is static
     fn generate_block(&self, at: BlockCoordinates, biome: Biome) -> BlockId;
 }
+
+pub(crate) trait PerlinTerrainGenerator: Sync + Send {
+    fn prepare_chunk(&self, at: &Vector2<i32>, perlin: &Perlin);
+
+    /// Dependens on the perlin noise height
+    fn generate_block(&self, at: BlockCoordinates, chunk_height: i16, biome: Biome) -> BlockId;
+}

pumpkin-world/src/world_gen/generic_generator.rs

@@ -1,36 +1,89 @@
+use noise::{NoiseFn, Perlin};
 use pumpkin_core::math::vector2::Vector2;
 
 use crate::{
     chunk::{ChunkBlocks, ChunkData},
     coordinates::{ChunkRelativeBlockCoordinates, ChunkRelativeXZBlockCoordinates},
-    WORLD_LOWEST_Y, WORLD_MAX_Y,
+    WORLD_LOWEST_Y,
 };
 
 use super::{
-    generator::{BiomeGenerator, GeneratorInit, TerrainGenerator, WorldGenerator},
+    generator::{BiomeGenerator, GeneratorInit, PerlinTerrainGenerator, WorldGenerator},
     Seed,
 };
 
-pub struct GenericGenerator<B: BiomeGenerator, T: TerrainGenerator> {
+pub struct GenericGenerator<B: BiomeGenerator, T: PerlinTerrainGenerator> {
     biome_generator: B,
     terrain_generator: T,
+    // TODO: May make this optional?. But would be pain to use in most biomes then. Maybe make a new trait like
+    // PerlinTerrainGenerator
+    perlin: Perlin,
 }
 
-impl<B: BiomeGenerator + GeneratorInit, T: TerrainGenerator + GeneratorInit> GeneratorInit
+impl<B: BiomeGenerator + GeneratorInit, T: PerlinTerrainGenerator + GeneratorInit> GeneratorInit
     for GenericGenerator<B, T>
 {
     fn new(seed: Seed) -> Self {
         Self {
             biome_generator: B::new(seed),
             terrain_generator: T::new(seed),
+            perlin: Perlin::new(seed.0 as u32),
         }
     }
 }
 
-impl<B: BiomeGenerator, T: TerrainGenerator> WorldGenerator for GenericGenerator<B, T> {
+impl<B: BiomeGenerator, T: PerlinTerrainGenerator> WorldGenerator for GenericGenerator<B, T> {
     fn generate_chunk(&self, at: Vector2<i32>) -> ChunkData {
         let mut blocks = ChunkBlocks::default();
+        self.terrain_generator.prepare_chunk(&at, &self.perlin);
+        let noise_value = self.perlin.get([at.x as f64 / 16.0, at.z as f64 / 16.0]);
 
+        let base_height = 64.0;
+        let height_variation = 16.0;
+        let chunk_height = (noise_value * height_variation + base_height) as i32;
+
+        for x in 0..16u8 {
+            for z in 0..16u8 {
+                let biome = self.biome_generator.generate_biome(
+                    ChunkRelativeXZBlockCoordinates {
+                        x: x.into(),
+                        z: z.into(),
+                    }
+                    .with_chunk_coordinates(at),
+                );
+
+                // Iterate from the highest block to the lowest, in order to minimize the heightmap updates
+                for y in (WORLD_LOWEST_Y..chunk_height as i16).rev() {
+                    let coordinates = ChunkRelativeBlockCoordinates {
+                        x: x.into(),
+                        y: y.into(),
+                        z: z.into(),
+                    };
+
+                    blocks.set_block(
+                        coordinates,
+                        self.terrain_generator.generate_block(
+                            coordinates.with_chunk_coordinates(at),
+                            chunk_height as i16,
+                            biome,
+                        ),
+                    );
+                }
+            }
+        }
+
+        ChunkData {
+            blocks,
+            position: at,
+        }
+    }
+}
+
+// TODO: implement static terrain generator
+/*
+fn generate_chunk(&mut self, at: Vector2<i32>) -> ChunkData {
+    let mut blocks = ChunkBlocks::default();
+    self.terrain_generator.prepare_chunk(&at, &self.perlin);
     for x in 0..16u8 {
         for z in 0..16u8 {
             let biome = self.biome_generator.generate_biome(
@@ -63,4 +116,4 @@ impl<B: BiomeGenerator, T: TerrainGenerator> WorldGenerator for GenericGenerator
         position: at,
     }
 }
-}
+*/

pumpkin-world/src/world_gen/implementation/mod.rs

@@ -1 +1,2 @@
+pub mod overworld;
 pub mod superflat;

pumpkin-world/src/world_gen/implementation/overworld/biome/mod.rs

@@ -0,0 +1 @@
+pub mod plains;

pumpkin-world/src/world_gen/implementation/overworld/biome/plains.rs

@@ -0,0 +1,60 @@
+use noise::Perlin;
+use pumpkin_core::math::vector2::Vector2;
+
+use crate::{
+    biome::Biome,
+    block::BlockId,
+    coordinates::{BlockCoordinates, XZBlockCoordinates},
+    world_gen::{
+        generator::{BiomeGenerator, GeneratorInit, PerlinTerrainGenerator},
+        generic_generator::GenericGenerator,
+        Seed,
+    },
+};
+
+pub type PlainsGenerator = GenericGenerator<PlainsBiomeGenerator, PlainsTerrainGenerator>;
+
+pub(crate) struct PlainsBiomeGenerator {}
+
+impl GeneratorInit for PlainsBiomeGenerator {
+    fn new(_: Seed) -> Self {
+        Self {}
+    }
+}
+
+impl BiomeGenerator for PlainsBiomeGenerator {
+    // TODO make generic over Biome and allow changing the Biome in the config.
+    fn generate_biome(&self, _: XZBlockCoordinates) -> Biome {
+        Biome::Plains
+    }
+}
+
+pub(crate) struct PlainsTerrainGenerator {}
+
+impl GeneratorInit for PlainsTerrainGenerator {
+    fn new(_: Seed) -> Self {
+        Self {}
+    }
+}
+
+impl PerlinTerrainGenerator for PlainsTerrainGenerator {
+    fn prepare_chunk(&self, _at: &Vector2<i32>, _perlin: &Perlin) {}
+    // TODO allow specifying which blocks should be at which height in the config.
+    fn generate_block(&self, at: BlockCoordinates, chunk_height: i16, _: Biome) -> BlockId {
+        let begin_stone_height = chunk_height - 5;
+        let begin_dirt_height = chunk_height - 1;
+
+        let y = *at.y;
+        if y == -64 {
+            BlockId::from_id(79) // BEDROCK
+        } else if y >= -63 && y <= begin_stone_height {
+            return BlockId::from_id(1); // STONE
+        } else if y >= begin_stone_height && y < begin_dirt_height {
+            return BlockId::from_id(10); // DIRT;
+        } else if y == chunk_height - 1 {
+            return BlockId::from_id(9); // GRASS BLOCK
+        } else {
+            BlockId::AIR
+        }
+    }
+}

pumpkin-world/src/world_gen/implementation/overworld/mod.rs

@@ -0,0 +1 @@
+pub mod biome;

pumpkin-world/src/world_gen/implementation/superflat.rs

@@ -1,3 +1,5 @@
+use pumpkin_core::math::vector2::Vector2;
+
 use crate::{
     biome::Biome,
     block::BlockId,
@@ -9,7 +11,7 @@ use crate::{
     },
 };
 
-#[allow(dead_code)]
+#[expect(dead_code)]
 pub type SuperflatGenerator = GenericGenerator<SuperflatBiomeGenerator, SuperflatTerrainGenerator>;
 
 pub(crate) struct SuperflatBiomeGenerator {}
@@ -36,6 +38,7 @@ impl GeneratorInit for SuperflatTerrainGenerator {
 }
 
 impl TerrainGenerator for SuperflatTerrainGenerator {
+    fn prepare_chunk(&self, _at: &Vector2<i32>) {}
     // TODO allow specifying which blocks should be at which height in the config.
     fn generate_block(&self, at: BlockCoordinates, _: Biome) -> BlockId {
         match *at.y {

pumpkin-world/src/world_gen/mod.rs

@@ -1,16 +1,15 @@
 mod generator;
 mod generic_generator;
-mod implementations;
+mod implementation;
 mod seed;
 
 pub use generator::WorldGenerator;
+use implementation::overworld::biome::plains::PlainsGenerator;
 pub use seed::Seed;
 
 use generator::GeneratorInit;
-use implementations::superflat::SuperflatGenerator;
 
-#[allow(dead_code)]
 pub fn get_world_gen(seed: Seed) -> Box<dyn WorldGenerator> {
     // TODO decide which WorldGenerator to pick based on config.
-    Box::new(SuperflatGenerator::new(seed))
+    Box::new(PlainsGenerator::new(seed))
 }

pumpkin-world/src/world_gen/seed.rs

@@ -1,6 +1,5 @@
 use std::hash::{DefaultHasher, Hash, Hasher};
 
-#[allow(dead_code)]
 #[derive(Clone, Copy)]
 pub struct Seed(pub i64);
 

pumpkin/Cargo.toml

@@ -21,7 +21,6 @@ pumpkin-registry = { path = "../pumpkin-registry"}
 # config
 serde.workspace = true
 serde_json = "1.0"
-toml = "0.8.19"
 
 bytes = "1.7"
 
@@ -29,7 +28,7 @@ rand = "0.8.5"
 
 num-traits = "0.2"
 num-derive = "0.4"
-num-bigint = "0.4.6"
+num-bigint = "0.4"
 
 ctrlc = "3.4"
 
@@ -47,7 +46,7 @@ digest = "=0.11.0-pre.9"
 hmac = "0.12.1"
 sha2 = "0.10.8"
 
-thiserror = "1.0.63"
+thiserror = "1.0"
 
 # icon loading
 base64 = "0.22.1"
@@ -59,7 +58,6 @@ log.workspace = true
 
 # networking
 mio = { version = "1.0.2", features = ["os-poll", "net"]}
-crossbeam-channel = "0.5.13"
 
 uuid.workspace = true
 tokio.workspace = true

pumpkin/src/client/authentication.rs

@@ -13,8 +13,8 @@ use uuid::Uuid;
 use crate::server::Server;
 
 #[derive(Deserialize, Clone, Debug)]
-#[allow(non_snake_case)]
-#[allow(dead_code)]
+#[expect(non_snake_case)]
+#[expect(dead_code)]
 pub struct ProfileTextures {
     timestamp: i64,
     profileId: Uuid,
@@ -24,8 +24,7 @@ pub struct ProfileTextures {
 }
 
 #[derive(Deserialize, Clone, Debug)]
-#[allow(non_snake_case)]
-#[allow(dead_code)]
+#[expect(dead_code)]
 pub struct Texture {
     url: String,
     metadata: Option<HashMap<String, String>>,

pumpkin/src/commands/cmd_gamemode.rs

@@ -72,7 +72,7 @@ pub(crate) fn init_command_tree<'a>() -> CommandTree<'a> {
                                 )));
                             } else {
                                 // TODO
-                                #[allow(clippy::let_underscore_future)]
+                                #[expect(clippy::let_underscore_future)]
                                 let _ = target.set_gamemode(gamemode);
                                 target.send_system_message(TextComponent::text(&format!(
                                     "Game mode was set to {:?}",
@@ -97,7 +97,7 @@ pub(crate) fn init_command_tree<'a>() -> CommandTree<'a> {
                             )));
                         } else {
                             // TODO
-                            #[allow(clippy::let_underscore_future)]
+                            #[expect(clippy::let_underscore_future)]
                             let _ = target.set_gamemode(gamemode);
                             target.send_system_message(TextComponent::text(&format!(
                                 "Game mode was set to {:?}",

pumpkin/src/commands/tree.rs

@@ -23,8 +23,9 @@ pub(crate) enum NodeType<'a> {
         run: &'a (dyn Fn(&mut CommandSender, &mut Server, &ConsumedArgs) -> Result<(), InvalidTreeError>
                  + Sync),
     },
-    #[allow(dead_code)] // todo: remove (so far no commands requiring this are implemented)
-    Literal { string: &'a str },
+    Literal {
+        string: &'a str,
+    },
     Argument {
         name: &'a str,
         consumer: ArgumentConsumer<'a>,

pumpkin/src/commands/tree_builder.rs

@@ -131,7 +131,7 @@ impl<'a> NonLeafNodeBuilder<'a> {
 }
 
 /// Matches a sting literal.
-#[allow(dead_code)] // todo: remove (so far no commands requiring this are implemented)
+#[expect(dead_code)] // todo: remove (so far no commands requiring this are implemented)
 pub fn literal(string: &str) -> NonLeafNodeBuilder {
     NonLeafNodeBuilder {
         node_type: NodeType::Literal { string },

pumpkin/src/main.rs

@@ -1,5 +1,4 @@
-#![allow(clippy::await_holding_refcell_ref)]
-#![allow(clippy::await_holding_lock)]
+#![expect(clippy::await_holding_lock)]
 
 #[cfg(target_os = "wasi")]
 compile_error!("Compiling for WASI targets is not supported!");

pumpkin/src/proxy/velocity.rs

@@ -52,7 +52,7 @@ pub fn receive_plugin_response(
         buf.put_slice(data_without_signature);
 
         // check velocity version
-        let version = buf.get_var_int();
+        let version = buf.get_var_int().unwrap();
         let version = version.0;
         if version > MAX_SUPPORTED_FORWARDING_VERSION {
             client.kick(&format!(