diff --git a/core/src/mindustry/content/Bullets.java b/core/src/mindustry/content/Bullets.java
index bf3a575433..3d969fb344 100644
--- a/core/src/mindustry/content/Bullets.java
+++ b/core/src/mindustry/content/Bullets.java
@@ -375,10 +375,9 @@ public class Bullets implements ContentList{
         }};
 
         //this is just a copy of the damage lightning bullet that doesn't damage air units
-        damageLightningGround = new BulletType(0.0001f, 0f){{
-            collidesAir = false;
-        }};
+        damageLightningGround = new BulletType(0.0001f, 0f){};
         JsonIO.copy(damageLightning, damageLightningGround);
+        damageLightningGround.collidesAir = false;
 
         healBullet = new HealBulletType(5.2f, 13){{
             healPercent = 3f;
diff --git a/core/src/mindustry/content/Fx.java b/core/src/mindustry/content/Fx.java
index d2086f5d56..97d54ece50 100644
--- a/core/src/mindustry/content/Fx.java
+++ b/core/src/mindustry/content/Fx.java
@@ -138,12 +138,13 @@ public class Fx{
         stroke(3f * e.fout());
         color(e.color, Color.white, e.fin());
 
-        beginLine();
-        lines.each(Lines::linePoint);
-        linePoint(e.x, e.y);
-        endLine();
+        for(int i = 0; i < lines.size - 1; i++){
+            Vec2 cur = lines.get(i);
+            Vec2 next = lines.get(i + 1);
+
+            Lines.line(cur.x, cur.y, next.x, next.y, false);
+        }
 
-        int i = 0;
         for(Vec2 p : lines){
             Fill.circle(p.x, p.y, Lines.getStroke() / 2f);
         }
diff --git a/core/src/mindustry/world/blocks/Autotiler.java b/core/src/mindustry/world/blocks/Autotiler.java
index 35b58706e1..4e8748db2a 100644
--- a/core/src/mindustry/world/blocks/Autotiler.java
+++ b/core/src/mindustry/world/blocks/Autotiler.java
@@ -26,7 +26,7 @@ public interface Autotiler{
      * The mode to slice a texture at.
      */
     enum SliceMode{
-        noSlice,
+        none,
         bottom,
         top
     }
@@ -39,7 +39,7 @@ public interface Autotiler{
      * @return The sliced texture
      */
     default TextureRegion sliced(TextureRegion input, SliceMode mode){
-        return mode == SliceMode.noSlice ? input : mode == SliceMode.bottom ? botHalf(input) : topHalf(input);
+        return mode == SliceMode.none ? input : mode == SliceMode.bottom ? botHalf(input) : topHalf(input);
     }
 
     /**
diff --git a/core/src/mindustry/world/blocks/liquid/Conduit.java b/core/src/mindustry/world/blocks/liquid/Conduit.java
index 8b961f1961..8824d44d34 100644
--- a/core/src/mindustry/world/blocks/liquid/Conduit.java
+++ b/core/src/mindustry/world/blocks/liquid/Conduit.java
@@ -95,7 +95,7 @@ public class Conduit extends LiquidBlock implements Autotiler{
             Draw.z(Layer.block);
 
             Draw.scl(xscl, yscl);
-            drawAt(x, y, blendbits, rotation, SliceMode.noSlice);
+            drawAt(x, y, blendbits, rotation, SliceMode.none);
             Draw.reset();
         }
 
diff --git a/settings.gradle b/settings.gradle
index a8dfd17399..52b0980311 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,3 +1,7 @@
+if(JavaVersion.current().ordinal() < JavaVersion.VERSION_14.ordinal()){
+    throw new GradleException("!!! YOU MUST USE JAVA 14 OR ABOVE TO COMPILE AND RUN MINDUSTRY !!! Read the README. Your version: ${System.properties["java.version"]}")
+}
+
 include 'desktop', 'core', 'server', 'ios', 'annotations', 'tools', 'tests'
 
 def use = { ... names ->