Add clientbound packets: ChangeDifficulty, SetDefaultSpawnPosition, SetExperience

steel-protocol/src/packets/game/c_change_difficulty.rs

@@ -0,0 +1,15 @@
+use steel_macros::{ClientPacket, WriteTo};
+use steel_registry::packets::play::C_CHANGE_DIFFICULTY;
+
+/// Sent by the server to inform the client of the current difficulty.
+///
+/// Vanilla: `ClientboundChangeDifficultyPacket`
+#[derive(ClientPacket, WriteTo, Clone, Debug)]
+#[packet_id(Play = C_CHANGE_DIFFICULTY)]
+pub struct CChangeDifficulty {
+    /// 0 = Peaceful, 1 = Easy, 2 = Normal, 3 = Hard.
+    #[write(as = VarInt)]
+    pub difficulty: i32,
+    /// Whether the difficulty is locked.
+    pub locked: bool,
+}

steel-protocol/src/packets/game/c_set_default_spawn_position.rs

@@ -0,0 +1,20 @@
+use steel_macros::{ClientPacket, WriteTo};
+use steel_registry::packets::play::C_SET_DEFAULT_SPAWN_POSITION;
+use steel_utils::types::{BlockPos, Identifier};
+
+/// Sent by the server to set the player's compass target and default respawn position.
+///
+/// Vanilla: `ClientboundSetDefaultSpawnPositionPacket`
+/// Contains a `LevelData.RespawnData` which wraps `GlobalPos` (dimension + pos) + yaw + pitch.
+#[derive(ClientPacket, WriteTo, Clone, Debug)]
+#[packet_id(Play = C_SET_DEFAULT_SPAWN_POSITION)]
+pub struct CSetDefaultSpawnPosition {
+    /// The dimension resource key (e.g., "minecraft:overworld").
+    pub dimension: Identifier,
+    /// The spawn position (packed i64).
+    pub pos: BlockPos,
+    /// The yaw angle at the spawn point.
+    pub yaw: f32,
+    /// The pitch angle at the spawn point.
+    pub pitch: f32,
+}

steel-protocol/src/packets/game/c_set_experience.rs

@@ -0,0 +1,19 @@
+use steel_macros::{ClientPacket, WriteTo};
+use steel_registry::packets::play::C_SET_EXPERIENCE;
+
+/// Sent by the server to set the player's experience bar, level, and total points.
+///
+/// Vanilla: `ClientboundSetExperiencePacket`
+/// Wire order: float progress, VarInt level, VarInt total.
+#[derive(ClientPacket, WriteTo, Clone, Debug)]
+#[packet_id(Play = C_SET_EXPERIENCE)]
+pub struct CSetExperience {
+    /// Experience bar progress, between 0.0 and 1.0.
+    pub experience_progress: f32,
+    /// The player's experience level.
+    #[write(as = VarInt)]
+    pub experience_level: i32,
+    /// The player's total experience points.
+    #[write(as = VarInt)]
+    pub total_experience: i32,
+}

steel-protocol/src/packets/game/mod.rs

@@ -6,6 +6,7 @@ mod c_block_entity_data;
 mod c_block_event;
 mod c_block_update;
 mod c_bundle_delimiter;
+mod c_change_difficulty;
 mod c_chunk_batch_finished;
 mod c_chunk_batch_start;
 mod c_command_suggestions;
@@ -40,8 +41,10 @@ mod c_section_blocks_update;
 mod c_set_chunk_cache_radius;
 mod c_set_chunk_center;
 mod c_set_cursor_item;
+mod c_set_default_spawn_position;
 mod c_set_entity_data;
 mod c_set_entity_motion;
+mod c_set_experience;
 mod c_set_health;
 mod c_set_held_slot;
 mod c_set_time;
@@ -90,6 +93,7 @@ pub use c_block_entity_data::CBlockEntityData;
 pub use c_block_event::CBlockEvent;
 pub use c_block_update::CBlockUpdate;
 pub use c_bundle_delimiter::CBundleDelimiter;
+pub use c_change_difficulty::CChangeDifficulty;
 pub use c_chunk_batch_finished::CChunkBatchFinished;
 pub use c_chunk_batch_start::CChunkBatchStart;
 pub use c_command_suggestions::{CCommandSuggestions, SuggestionEntry};
@@ -133,8 +137,10 @@ pub use c_section_blocks_update::{BlockChange, CSectionBlocksUpdate};
 pub use c_set_chunk_cache_radius::CSetChunkCacheRadius;
 pub use c_set_chunk_center::CSetChunkCenter;
 pub use c_set_cursor_item::CSetCursorItem;
+pub use c_set_default_spawn_position::CSetDefaultSpawnPosition;
 pub use c_set_entity_data::CSetEntityData;
 pub use c_set_entity_motion::CSetEntityMotion;
+pub use c_set_experience::CSetExperience;
 pub use c_set_health::CSetHealth;
 pub use c_set_held_slot::CSetHeldSlot;
 pub use c_set_time::CSetTime;