azalea-buf

1 files changed, 26 insertions, 0 deletions

diff --git a/azalea-core/src/delta.rs b/azalea-core/src/delta.rs
new file mode 100644
index 00000000..32517e0d
--- /dev/null
+++ b/azalea-core/src/delta.rs
@@ -0,0 +1,26 @@
+/// Only works for up to 8 blocks
+#[derive(Clone, Debug, McBuf)]
+pub struct PositionDelta {
+    xa: i16,
+    ya: i16,
+    za: i16,
+}
+
+impl PositionDelta {
+    pub fn float(&self) -> (f64, f64, f64) {
+        (
+            (self.xa as f64) / 4096.0,
+            (self.ya as f64) / 4096.0,
+            (self.za as f64) / 4096.0,
+        )
+    }
+}
+
+impl EntityPos {
+    pub fn apply_delta(&mut self, delta: &PositionDelta) {
+        let (x, y, z) = delta.float();
+        self.x += x;
+        self.y += y;
+        self.z += z;
+    }
+}