Sync unit velocity / Sync separator seed / 127.x Compat break

core/src/mindustry/entities/comp/BulletComp.java

@@ -44,6 +44,13 @@ abstract class BulletComp implements Timedc, Damagec, Hitboxc, Teamc, Posc, Draw
         }
     }
 
+    //bullets always considered local
+    @Override
+    @Replace
+    public boolean isLocal(){
+        return true;
+    }
+
     @Override
     public void add(){
         type.init(self());

core/src/mindustry/entities/comp/ShieldComp.java

@@ -16,8 +16,8 @@ abstract class ShieldComp implements Healthc, Posc{
 
     /** Absorbs health damage. */
     float shield;
-    /** Subtracts an amount from damage. */
-    float armor;
+    /** Subtracts an amount from damage. No need to save. */
+    transient float armor;
     /** Shield opacity. */
     transient float shieldAlpha = 0f;
 

core/src/mindustry/entities/comp/VelComp.java

@@ -13,20 +13,24 @@ import static mindustry.Vars.*;
 abstract class VelComp implements Posc{
     @Import float x, y;
 
-    //TODO @SyncLocal this? does it even need to be sent?
-    transient final Vec2 vel = new Vec2();
+    @SyncLocal Vec2 vel = new Vec2();
+
     transient float drag = 0f;
 
     //velocity needs to be called first, as it affects delta and lastPosition
     @MethodPriority(-1)
     @Override
     public void update(){
-        float px = x, py = y;
-        move(vel.x * Time.delta, vel.y * Time.delta);
-        if(Mathf.equal(px, x)) vel.x = 0;
-        if(Mathf.equal(py, y)) vel.y = 0;
+        //do not update velocity on the client at all, unless it's non-interpolated
+        //velocity conflicts with interpolation.
+        if(!net.client() || isLocal()){
+            float px = x, py = y;
+            move(vel.x * Time.delta, vel.y * Time.delta);
+            if(Mathf.equal(px, x)) vel.x = 0;
+            if(Mathf.equal(py, y)) vel.y = 0;
 
-        vel.scl(Math.max(1f - drag * Time.delta, 0));
+            vel.scl(Math.max(1f - drag * Time.delta, 0));
+        }
     }
 
     /** @return function to use for check solid state. if null, no checking is done. */