Various sync fixes

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

@@ -17,7 +17,7 @@ abstract class FlyingComp implements Posc, Velc, Healthc, Hitboxc{
     @Import float x, y;
     @Import Vec2 vel;
 
-    float elevation;
+    @SyncField(value = true, clamped = true) @SyncLocal float elevation;
     private transient boolean wasFlying;
     transient float drownTime;
     transient float splashTimer;

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

@@ -7,7 +7,7 @@ import mindustry.gen.*;
 
 @Component
 abstract class LegsComp implements Posc, Flyingc, Hitboxc, Unitc, Legsc, ElevationMovec{
-    @SyncField(false) float baseRotation;
+    @SyncField(false) @SyncLocal float baseRotation;
     transient float walkTime;
 
     @Override

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

@@ -18,6 +18,7 @@ import mindustry.net.Administration.*;
 import mindustry.net.*;
 import mindustry.net.Packets.*;
 import mindustry.ui.*;
+import mindustry.world.*;
 import mindustry.world.blocks.storage.CoreBlock.*;
 
 import static mindustry.Vars.*;
@@ -32,7 +33,7 @@ abstract class PlayerComp implements UnitController, Entityc, Syncc, Timerc, Dra
 
     @ReadOnly Team team = Team.sharded;
     String name = "noname";
-    boolean admin, typing, shooting;
+    boolean admin, typing, shooting, boosting;
     Color color = new Color();
     float mouseX, mouseY;
 
@@ -71,7 +72,7 @@ abstract class PlayerComp implements UnitController, Entityc, Syncc, Timerc, Dra
     public void afterSync(){
         unit.aim(mouseX, mouseY);
         //this is only necessary when the thing being controlled isn't synced
-        unit.isShooting(shooting);
+        unit.controlWeapons(shooting, shooting);
         //extra precaution, necessary for non-synced things
         unit.controller(this);
     }
@@ -89,14 +90,24 @@ abstract class PlayerComp implements UnitController, Entityc, Syncc, Timerc, Dra
             y(unit.y());
             unit.team(team);
             deathTimer = 0;
+
+            //update some basic state to sync things
+            if(unit.type().canBoost){
+                Tile tile = unit.tileOn();
+                unit.elevation(Mathf.approachDelta(unit.elevation(), (tile != null && tile.solid()) || boosting ? 1f : 0f, 0.08f));
+            }
         }else if(core != null){
+            //have a small delay before death to prevent the camera from jumping around too quickly
+            //(this is not for balance)
             deathTimer += Time.delta();
             if(deathTimer >= deathDelay){
                 core.requestSpawn((Playerc)this);
+                deathTimer = 0;
             }
         }
 
         textFadeTime -= Time.delta() / (60 * 5);
+
     }
 
     public void team(Team team){

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

@@ -12,7 +12,7 @@ import static mindustry.Vars.world;
 
 @Component
 abstract class PosComp implements Position{
-    @SyncField(true) float x, y;
+    @SyncField(true) @SyncLocal float x, y;
 
     void set(float x, float y){
         this.x = x;

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

@@ -5,5 +5,5 @@ import mindustry.gen.*;
 
 @Component
 abstract class RotComp implements Entityc{
-    @SyncField(false) float rotation;
+    @SyncField(false) @SyncLocal float rotation;
 }

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

@@ -9,7 +9,8 @@ import mindustry.gen.*;
 abstract class VelComp implements Posc{
     @Import float x, y;
 
-    final Vec2 vel = new Vec2();
+    //TODO @SyncLocal this? does it even need to be sent?
+    transient final Vec2 vel = new Vec2();
     transient float drag = 0f;
 
     //velocity needs to be called first, as it affects delta and lastPosition