Add support for mob effects (#269)

* Add support for mob effects

* Remove Option

* MobEffectFlags

* jump_boost_power f32

1 files changed, 38 insertions, 2 deletions

diff --git a/azalea-protocol/src/packets/game/c_update_mob_effect.rs b/azalea-protocol/src/packets/game/c_update_mob_effect.rs
index 201589fb..896d547b 100644
--- a/azalea-protocol/src/packets/game/c_update_mob_effect.rs
+++ b/azalea-protocol/src/packets/game/c_update_mob_effect.rs
@@ -1,4 +1,6 @@
-use azalea_buf::AzBuf;
+use std::io::{Cursor, Write};
+
+use azalea_buf::{AzBuf, AzaleaRead, AzaleaWrite, BufReadError};
 use azalea_protocol_macros::ClientboundGamePacket;
 use azalea_registry::MobEffect;
 use azalea_world::MinecraftEntityId;
@@ -12,5 +14,39 @@ pub struct ClientboundUpdateMobEffect {
     pub effect_amplifier: u32,
     #[var]
     pub effect_duration_ticks: u32,
-    pub flags: u8,
+    pub flags: MobEffectFlags,
+}
+
+#[derive(Clone, Debug, Default, PartialEq)]
+pub struct MobEffectFlags {
+    pub ambient: bool,
+    pub show_particles: bool,
+    pub show_icon: bool,
+}
+
+impl AzaleaRead for MobEffectFlags {
+    fn azalea_read(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
+        let bits = u8::azalea_read(buf)?;
+        Ok(MobEffectFlags {
+            ambient: bits & 0x01 != 0,
+            show_particles: bits & 0x02 != 0,
+            show_icon: bits & 0x04 != 0,
+        })
+    }
+}
+
+impl AzaleaWrite for MobEffectFlags {
+    fn azalea_write(&self, buf: &mut impl Write) -> std::io::Result<()> {
+        let mut bits = 0;
+        if self.ambient {
+            bits |= 0x01;
+        }
+        if self.show_particles {
+            bits |= 0x02;
+        }
+        if self.show_icon {
+            bits |= 0x04;
+        }
+        bits.azalea_write(buf)
+    }
 }