Implement camera facing

Author: conqp

src/minecraft/bedrock_edition.rs

@@ -7,6 +7,7 @@ use std::future::Future;
 use crate::minecraft::java_edition::TargetSelector;
 use crate::minecraft::{parse_response, Entity, Error, Serialize};
 use crate::Minecraft;
+pub use camera::Target;
 
 /// Extension trait for `Source RCON` clients for the `Minecraft: Bedrock Edition`.
 pub trait BedrockEdition: Minecraft {

src/minecraft/bedrock_edition/camera.rs

@@ -1,6 +1,7 @@
 use std::borrow::Cow;
 
 pub use color::Color;
+pub use set::Target;
 pub use time::Time;
 
 use crate::minecraft::{Error, Serialize};
@@ -18,7 +19,7 @@ pub struct Proxy<'client, T> {
 }
 
 impl<'client, T> Proxy<'client, T> {
-    pub(crate) fn new(client: &'client mut T, args: Vec<Cow<'client, str>>) -> Self {
+    pub(crate) const fn new(client: &'client mut T, args: Vec<Cow<'client, str>>) -> Self {
         Self { client, args }
     }
 

src/minecraft/bedrock_edition/camera/set.rs

@@ -1,6 +1,7 @@
-use crate::minecraft::Error;
+use crate::minecraft::{Error, Serialize};
 use crate::RCon;
 use std::borrow::Cow;
+pub use target::Target;
 
 mod target;
 
@@ -39,5 +40,15 @@ where
             .map_err(Into::into)
     }
 
+    /// Set camera facing.
+    pub async fn facing(mut self, target: Target) -> Result<String, Error> {
+        self.args
+            .extend([Cow::Borrowed("facing"), target.serialize()]);
+        self.client
+            .run_utf8(self.args.join(" "))
+            .await
+            .map_err(Into::into)
+    }
+
     // TODO: Implement further sub-commands.
 }

src/minecraft/bedrock_edition/camera/set/target.rs

@@ -1,5 +1,6 @@
 use crate::minecraft::java_edition::TargetSelector;
-use crate::minecraft::Entity;
+use crate::minecraft::{Entity, Serialize};
+use std::borrow::Cow;
 
 /// Facing target.
 #[derive(Clone, Debug, PartialEq)]
@@ -9,3 +10,12 @@ pub enum Target {
     /// Facing a position. Parameters in order are `x`, `y` and `z`.
     Position(f32, f32, f32),
 }
+
+impl Serialize for Target {
+    fn serialize(self) -> Cow<'static, str> {
+        match self {
+            Target::Entity(entity) => entity.serialize(),
+            Target::Position(x, y, z) => format!("{x} {y} {z}").into(),
+        }
+    }
+}