Moved distance function to core

Author: van-sprundel

pumpkin-core/src/math/distance.rs

@@ -0,0 +1,9 @@
+use super::vector3::Vector3;
+
+pub fn distance(p1: &Vector3<f64>, p2: &Vector3<f64>) -> f64 {
+    let dx = p1.x - p2.x;
+    let dy = p1.y - p2.y;
+    let dz = p1.z - p2.z;
+
+    dz.mul_add(dz, dx.mul_add(dx, dy * dy)).sqrt()
+}

pumpkin-core/src/math/mod.rs

@@ -3,6 +3,7 @@ pub mod position;
 pub mod vector2;
 pub mod vector3;
 pub mod voxel_shape;
+pub mod distance;
 
 pub fn wrap_degrees(var: f32) -> f32 {
     let mut var1 = var % 360.0;

pumpkin/src/server/mod.rs

@@ -2,6 +2,7 @@ use connection_cache::{CachedBranding, CachedStatus};
 use key_store::KeyStore;
 use parking_lot::{Mutex, RwLock};
 use pumpkin_config::BASIC_CONFIG;
+use pumpkin_core::math::distance::distance;
 use pumpkin_core::math::vector3::Vector3;
 use pumpkin_core::text::TextComponent;
 use pumpkin_core::GameMode;
@@ -146,13 +147,6 @@ impl Server {
         // TODO respect which world the player is in
         let world = self.worlds.first()?;
 
-        fn distance(p1: &Vector3<f64>, p2: &Vector3<f64>) -> f64 {
-            let dx = p1.x - p2.x;
-            let dy = p1.y - p2.y;
-            let dz = p1.z - p2.z;
-            dz.mul_add(dz, dx.mul_add(dx, dy * dy)).sqrt()
-        }
-
         world
             .current_players
             .lock()