Sprite cleanup

core/src/io/anuke/mindustry/Mindustry.java

@@ -47,18 +47,18 @@ public class Mindustry extends ApplicationCore{
 
     @Override
     public void update(){
-        long lastFrameTime = Time.millis();
+        long lastFrameTime = Time.nanos();
 
         super.update();
 
         int fpsCap = Core.settings.getInt("fpscap", 125);
 
         if(fpsCap <= 120){
-            long target = 1000/fpsCap;
-            long elapsed = Time.timeSinceMillis(lastFrameTime);
+            long target = (1000 * 1000000)/fpsCap; //target in nanos
+            long elapsed = Time.timeSinceNanos(lastFrameTime);
             if(elapsed < target){
                 try{
-                    Thread.sleep(target - elapsed);
+                    Thread.sleep((target - elapsed) / 1000000, (int)((target - elapsed) % 1000000));
                 }catch(InterruptedException e){
                     e.printStackTrace();
                 }

core/src/io/anuke/mindustry/ai/Pathfinder.java

@@ -145,7 +145,7 @@ public class Pathfinder{
     private void updateFrontier(Team team, long nsToRun){
         PathData path = paths[team.ordinal()];
 
-        long start = Time.nanoTime();
+        long start = Time.nanos();
 
         while(path.frontier.size > 0 && (nsToRun < 0 || Time.timeSinceNanos(start) <= nsToRun)){
             Tile tile = path.frontier.removeLast();

core/src/io/anuke/mindustry/content/Zones.java

@@ -112,12 +112,12 @@ public class Zones implements ContentList{
             deployCost = ItemStack.with(Items.copper, 300);
             startingItems = ItemStack.with(Items.copper, 200);
             conditionWave = 15;
-            zoneRequirements = new Zone[]{frozenForest};
+            zoneRequirements = new Zone[]{craters};
             blockRequirements = new Block[]{Blocks.copperWall};
             rules = () -> new Rules(){{
                 waves = true;
                 waveTimer = true;
-                waveSpacing = 60 * 80;
+                waveSpacing = 60 * 60 * 2;
             }};
         }};
 

core/src/io/anuke/mindustry/entities/Units.java

@@ -21,11 +21,10 @@ import static io.anuke.mindustry.Vars.*;
  */
 public class Units{
     private static Rectangle rect = new Rectangle();
-    private static Rectangle rectGraphics = new Rectangle();
     private static Rectangle hitrect = new Rectangle();
     private static Unit result;
     private static float cdist;
-    private static boolean boolResult, boolResultGraphics;
+    private static boolean boolResult;
 
     /**
      * Validates a target.