only send movement packets if changes; bots send less inputs

1 files changed, 16 insertions, 8 deletions

diff --git a/server/src/server.rs b/server/src/server.rs
index b925a577..be5fee3f 100644
--- a/server/src/server.rs
+++ b/server/src/server.rs
@@ -528,7 +528,7 @@ impl Server {
                     let diff = pos - pd.movement.position;
                     pd.movement.position += diff.clamp_length_max(dt.as_secs_f32());
                     if diff.length() > 1. {
-                        replies.push(PacketC::MovementSync { player });
+                        pd.movement_must_sync = true;
                     }
                 }
             }
@@ -698,13 +698,21 @@ impl Server {
         });
 
         for (&pid, player) in &mut self.game.players {
-            self.packet_out.push_back(PacketC::Movement {
-                player: pid,
-                pos: player.movement.position,
-                dir: player.movement.input_direction,
-                boost: player.movement.boosting,
-                rot: player.movement.rotation,
-            });
+            if player.movement_input_changed || player.movement_must_sync {
+                player.movement_input_changed = false;
+                self.packet_out.push_back(PacketC::Movement {
+                    player: pid,
+                    pos: player.movement.position,
+                    dir: player.movement.input_direction,
+                    boost: player.movement.boosting,
+                    rot: player.movement.rotation,
+                });
+                if player.movement_must_sync {
+                    player.movement_must_sync = false;
+                    self.packet_out
+                        .push_back(PacketC::MovementSync { player: pid });
+                }
+            }
         }
 
         let mut players_auto_release = Vec::new();