diff --git a/core/src/mindustry/editor/MapGenerateDialog.java b/core/src/mindustry/editor/MapGenerateDialog.java
index 71f4f60264..fc496f64a0 100644
--- a/core/src/mindustry/editor/MapGenerateDialog.java
+++ b/core/src/mindustry/editor/MapGenerateDialog.java
@@ -340,6 +340,7 @@ public class MapGenerateDialog extends BaseDialog{
                 if(filter.isPost() && applied) continue;
 
                 p.button((icon == '\0' ? "" : icon + " ") + filter.name(), Styles.cleart, () -> {
+                    filter.randomize();
                     filters.add(filter);
                     rebuildFilters();
                     update();
diff --git a/core/src/mindustry/editor/MapInfoDialog.java b/core/src/mindustry/editor/MapInfoDialog.java
index a18828f1f0..da4bf5a4b3 100644
--- a/core/src/mindustry/editor/MapInfoDialog.java
+++ b/core/src/mindustry/editor/MapInfoDialog.java
@@ -3,6 +3,7 @@ package mindustry.editor;
 import arc.*;
 import arc.scene.ui.*;
 import arc.struct.*;
+import arc.util.*;
 import mindustry.*;
 import mindustry.game.*;
 import mindustry.io.*;
@@ -73,8 +74,12 @@ public class MapInfoDialog extends BaseDialog{
             t.row();
             t.add("@editor.generation").padRight(8).left();
             t.button("@edit", () -> {
-                generate.show(Vars.maps.readFilters(editor.tags.get("genfilters", "")),
-                filters -> editor.tags.put("genfilters", JsonIO.write(filters)));
+                generate.show(maps.readFilters(editor.tags.get("genfilters", "")),
+                filters -> {
+                    //reset seed to 0 so it is not written
+                    filters.each(f -> f.seed = 0);
+                    editor.tags.put("genfilters", JsonIO.write(filters));
+                });
                 hide();
             }).left().width(200f);
 
diff --git a/core/src/mindustry/maps/filters/BlendFilter.java b/core/src/mindustry/maps/filters/BlendFilter.java
index d8d1ceda9e..ab5171b00f 100644
--- a/core/src/mindustry/maps/filters/BlendFilter.java
+++ b/core/src/mindustry/maps/filters/BlendFilter.java
@@ -1,6 +1,5 @@
 package mindustry.maps.filters;
 
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.world.*;
@@ -13,12 +12,12 @@ public class BlendFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("radius", () -> radius, f -> radius = f, 1f, 10f),
-        new BlockOption("block", () -> block, b -> block = b, anyOptional),
-        new BlockOption("floor", () -> floor, b -> floor = b, anyOptional),
-        new BlockOption("ignore", () -> ignore, b -> ignore = b, floorsOptional)
-        );
+        return new FilterOption[]{
+            new SliderOption("radius", () -> radius, f -> radius = f, 1f, 10f),
+            new BlockOption("block", () -> block, b -> block = b, anyOptional),
+            new BlockOption("floor", () -> floor, b -> floor = b, anyOptional),
+            new BlockOption("ignore", () -> ignore, b -> ignore = b, floorsOptional)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/ClearFilter.java b/core/src/mindustry/maps/filters/ClearFilter.java
index 59e1a5b53c..1ce2ca6a25 100644
--- a/core/src/mindustry/maps/filters/ClearFilter.java
+++ b/core/src/mindustry/maps/filters/ClearFilter.java
@@ -1,6 +1,5 @@
 package mindustry.maps.filters;
 
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.world.*;
@@ -12,7 +11,9 @@ public class ClearFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(new BlockOption("block", () -> block, b -> block = b, b -> oresOnly.get(b) || wallsOnly.get(b)));
+        return new BlockOption[]{
+            new BlockOption("block", () -> block, b -> block = b, b -> oresOnly.get(b) || wallsOnly.get(b))
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/CoreSpawnFilter.java b/core/src/mindustry/maps/filters/CoreSpawnFilter.java
index 84447ea1f3..5e18726d45 100644
--- a/core/src/mindustry/maps/filters/CoreSpawnFilter.java
+++ b/core/src/mindustry/maps/filters/CoreSpawnFilter.java
@@ -1,7 +1,6 @@
 package mindustry.maps.filters;
 
 import arc.struct.*;
-import arc.util.*;
 import mindustry.gen.*;
 import mindustry.world.*;
 import mindustry.world.blocks.storage.*;
@@ -14,10 +13,9 @@ public class CoreSpawnFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
         //disabled until necessary
         // SliderOption("amount", () -> amount, f -> amount = (int)f, 1, 10).display()
-        );
+        return new FilterOption[]{};
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/DistortFilter.java b/core/src/mindustry/maps/filters/DistortFilter.java
index 4ae9c5a1d2..23f7f42a91 100644
--- a/core/src/mindustry/maps/filters/DistortFilter.java
+++ b/core/src/mindustry/maps/filters/DistortFilter.java
@@ -1,6 +1,5 @@
 package mindustry.maps.filters;
 
-import arc.util.*;
 import mindustry.gen.*;
 import mindustry.maps.filters.FilterOption.*;
 import mindustry.world.*;
@@ -10,10 +9,10 @@ public class DistortFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("scale", () -> scl, f -> scl = f, 1f, 200f),
-        new SliderOption("mag", () -> mag, f -> mag = f, 0.5f, 100f)
-        );
+        return new SliderOption[]{
+            new SliderOption("scale", () -> scl, f -> scl = f, 1f, 200f),
+            new SliderOption("mag", () -> mag, f -> mag = f, 0.5f, 100f)
+        };
     }
 
     @Override
@@ -28,7 +27,7 @@ public class DistortFilter extends GenerateFilter{
 
     @Override
     public void apply(){
-        Tile tile = in.tile(in.x + noise(in.x, in.y, scl, mag) - mag / 2f, in.y + noise(in.x, in.y + o, scl, mag) - mag / 2f);
+        Tile tile = in.tile(in.x + noise(in.x, in.y, scl, mag) - mag / 2f, in.y + noise(in.x, in.y, scl, mag) - mag / 2f);
 
         in.floor = tile.floor();
         if(!tile.block().synthetic() && !in.block.synthetic()) in.block = tile.block();
diff --git a/core/src/mindustry/maps/filters/EnemySpawnFilter.java b/core/src/mindustry/maps/filters/EnemySpawnFilter.java
index 682d82debf..7d2a5d8d1d 100644
--- a/core/src/mindustry/maps/filters/EnemySpawnFilter.java
+++ b/core/src/mindustry/maps/filters/EnemySpawnFilter.java
@@ -1,7 +1,6 @@
 package mindustry.maps.filters;
 
 import arc.struct.*;
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.maps.filters.FilterOption.*;
@@ -13,9 +12,9 @@ public class EnemySpawnFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("amount", () -> amount, f -> amount = (int)f, 1, 10).display()
-        );
+        return new SliderOption[]{
+            new SliderOption("amount", () -> amount, f -> amount = (int)f, 1, 10).display()
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/GenerateFilter.java b/core/src/mindustry/maps/filters/GenerateFilter.java
index b938914528..51db9bf07b 100644
--- a/core/src/mindustry/maps/filters/GenerateFilter.java
+++ b/core/src/mindustry/maps/filters/GenerateFilter.java
@@ -12,8 +12,8 @@ import mindustry.gen.*;
 import mindustry.world.*;
 
 public abstract class GenerateFilter{
-    protected transient float o = (float)(Math.random() * 10000000.0);
-    protected transient int seed;
+    public int seed = 0;
+
     protected transient GenerateInput in;
 
     public void apply(Tiles tiles, GenerateInput in){
@@ -93,7 +93,7 @@ public abstract class GenerateFilter{
 
     /** set the seed to a random number */
     public void randomize(){
-        seed = Mathf.random(99999999);
+        seed = Mathf.random(999999999);
     }
 
     /** @return whether this filter needs a read/write buffer (e.g. not a 1:1 tile mapping). */
@@ -109,19 +109,19 @@ public abstract class GenerateFilter{
     //utility generation functions
 
     protected float noise(float x, float y, float scl, float mag){
-        return (float)in.noise.octaveNoise2D(1f, 0f, 1f / scl, x + o, y + o) * mag;
+        return (float)in.noise.octaveNoise2D(1f, 0f, 1f / scl, x, y) * mag;
     }
 
     protected float noise(float x, float y, float scl, float mag, float octaves, float persistence){
-        return (float)in.noise.octaveNoise2D(octaves, persistence, 1f / scl, x + o, y + o) * mag;
+        return (float)in.noise.octaveNoise2D(octaves, persistence, 1f / scl, x, y) * mag;
     }
 
     protected float rnoise(float x, float y, float scl, float mag){
-        return RidgedPerlin.noise2d(seed + 1, (int)(x + o), (int)(y + o), 1f / scl) * mag;
+        return RidgedPerlin.noise2d(seed + 1, (int)(x), (int)(y), 1f / scl) * mag;
     }
 
     protected float rnoise(float x, float y, int octaves, float scl, float falloff, float mag){
-        return RidgedPerlin.noise2d(seed + 1, (int)(x + o), (int)(y + o), octaves, falloff, 1f / scl) * mag;
+        return RidgedPerlin.noise2d(seed + 1, (int)(x), (int)(y), octaves, falloff, 1f / scl) * mag;
     }
 
     protected float chance(){
diff --git a/core/src/mindustry/maps/filters/MedianFilter.java b/core/src/mindustry/maps/filters/MedianFilter.java
index 001d79bba5..d97d469952 100644
--- a/core/src/mindustry/maps/filters/MedianFilter.java
+++ b/core/src/mindustry/maps/filters/MedianFilter.java
@@ -2,7 +2,6 @@ package mindustry.maps.filters;
 
 import arc.math.*;
 import arc.struct.*;
-import arc.util.*;
 import mindustry.gen.*;
 import mindustry.maps.filters.FilterOption.*;
 import mindustry.world.*;
@@ -17,10 +16,10 @@ public class MedianFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("radius", () -> radius, f -> radius = f, 1f, 10f),
-        new SliderOption("percentile", () -> percentile, f -> percentile = f, 0f, 1f)
-        );
+        return new SliderOption[]{
+            new SliderOption("radius", () -> radius, f -> radius = f, 1f, 10f),
+            new SliderOption("percentile", () -> percentile, f -> percentile = f, 0f, 1f)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/MirrorFilter.java b/core/src/mindustry/maps/filters/MirrorFilter.java
index 9e91fb4847..33bd6ace94 100644
--- a/core/src/mindustry/maps/filters/MirrorFilter.java
+++ b/core/src/mindustry/maps/filters/MirrorFilter.java
@@ -19,10 +19,10 @@ public class MirrorFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("angle", () -> angle, f -> angle = (int)f, 0, 360, 45),
-        new ToggleOption("rotate", () -> rotate, f -> rotate = f)
-        );
+        return new FilterOption[]{
+            new SliderOption("angle", () -> angle, f -> angle = (int)f, 0, 360, 45),
+            new ToggleOption("rotate", () -> rotate, f -> rotate = f)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/NoiseFilter.java b/core/src/mindustry/maps/filters/NoiseFilter.java
index acbf8162c6..986ee077ce 100644
--- a/core/src/mindustry/maps/filters/NoiseFilter.java
+++ b/core/src/mindustry/maps/filters/NoiseFilter.java
@@ -1,6 +1,5 @@
 package mindustry.maps.filters;
 
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.world.*;
@@ -13,15 +12,15 @@ public class NoiseFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
-        new SliderOption("threshold", () -> threshold, f -> threshold = f, 0f, 1f),
-        new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
-        new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
-        new BlockOption("target", () -> target, b -> target = b, anyOptional),
-        new BlockOption("floor", () -> floor, b -> floor = b, floorsOptional),
-        new BlockOption("wall", () -> block, b -> block = b, wallsOptional)
-        );
+        return new FilterOption[]{
+            new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
+            new SliderOption("threshold", () -> threshold, f -> threshold = f, 0f, 1f),
+            new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
+            new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
+            new BlockOption("target", () -> target, b -> target = b, anyOptional),
+            new BlockOption("floor", () -> floor, b -> floor = b, floorsOptional),
+            new BlockOption("wall", () -> block, b -> block = b, wallsOptional)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/OreFilter.java b/core/src/mindustry/maps/filters/OreFilter.java
index 5487ea0d59..67c79ab82c 100644
--- a/core/src/mindustry/maps/filters/OreFilter.java
+++ b/core/src/mindustry/maps/filters/OreFilter.java
@@ -1,6 +1,5 @@
 package mindustry.maps.filters;
 
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.world.*;
@@ -13,14 +12,14 @@ public class OreFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
-        new SliderOption("threshold", () -> threshold, f -> threshold = f, 0f, 1f),
-        new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
-        new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
-        new BlockOption("ore", () -> ore, b -> ore = b, oresOnly),
-        new BlockOption("target", () -> target, b -> target = b, oresFloorsOptional)
-        );
+        return new FilterOption[]{
+            new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
+            new SliderOption("threshold", () -> threshold, f -> threshold = f, 0f, 1f),
+            new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
+            new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
+            new BlockOption("ore", () -> ore, b -> ore = b, oresOnly),
+            new BlockOption("target", () -> target, b -> target = b, oresFloorsOptional)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/OreMedianFilter.java b/core/src/mindustry/maps/filters/OreMedianFilter.java
index cba1d56936..97f5557925 100644
--- a/core/src/mindustry/maps/filters/OreMedianFilter.java
+++ b/core/src/mindustry/maps/filters/OreMedianFilter.java
@@ -2,7 +2,6 @@ package mindustry.maps.filters;
 
 import arc.math.*;
 import arc.struct.*;
-import arc.util.*;
 import mindustry.*;
 import mindustry.content.*;
 import mindustry.gen.*;
@@ -17,10 +16,10 @@ public class OreMedianFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("radius", () -> radius, f -> radius = f, 1f, 12f),
-        new SliderOption("percentile", () -> percentile, f -> percentile = f, 0f, 1f)
-        );
+        return new SliderOption[]{
+            new SliderOption("radius", () -> radius, f -> radius = f, 1f, 12f),
+            new SliderOption("percentile", () -> percentile, f -> percentile = f, 0f, 1f)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/RiverNoiseFilter.java b/core/src/mindustry/maps/filters/RiverNoiseFilter.java
index aeefe8422a..af82b91886 100644
--- a/core/src/mindustry/maps/filters/RiverNoiseFilter.java
+++ b/core/src/mindustry/maps/filters/RiverNoiseFilter.java
@@ -1,6 +1,5 @@
 package mindustry.maps.filters;
 
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.world.*;
@@ -13,16 +12,16 @@ public class RiverNoiseFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
-        new SliderOption("threshold", () -> threshold, f -> threshold = f, -1f, 1f),
-        new SliderOption("threshold2", () -> threshold2, f -> threshold2 = f, -1f, 1f),
-        new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
-        new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
-        new BlockOption("block", () -> block, b -> block = b, wallsOnly),
-        new BlockOption("floor", () -> floor, b -> floor = b, floorsOnly),
-        new BlockOption("floor2", () -> floor2, b -> floor2 = b, floorsOnly)
-        );
+        return new FilterOption[]{
+            new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
+            new SliderOption("threshold", () -> threshold, f -> threshold = f, -1f, 1f),
+            new SliderOption("threshold2", () -> threshold2, f -> threshold2 = f, -1f, 1f),
+            new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
+            new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
+            new BlockOption("block", () -> block, b -> block = b, wallsOnly),
+            new BlockOption("floor", () -> floor, b -> floor = b, floorsOnly),
+            new BlockOption("floor2", () -> floor2, b -> floor2 = b, floorsOnly)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/ScatterFilter.java b/core/src/mindustry/maps/filters/ScatterFilter.java
index b766183087..5787648276 100644
--- a/core/src/mindustry/maps/filters/ScatterFilter.java
+++ b/core/src/mindustry/maps/filters/ScatterFilter.java
@@ -1,6 +1,5 @@
 package mindustry.maps.filters;
 
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.world.*;
@@ -13,12 +12,12 @@ public class ScatterFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("chance", () -> chance, f -> chance = f, 0f, 1f),
-        new BlockOption("flooronto", () -> flooronto, b -> flooronto = b, floorsOptional),
-        new BlockOption("floor", () -> floor, b -> floor = b, floorsOptional),
-        new BlockOption("block", () -> block, b -> block = b, wallsOresOptional)
-        );
+        return new FilterOption[]{
+            new SliderOption("chance", () -> chance, f -> chance = f, 0f, 1f),
+            new BlockOption("flooronto", () -> flooronto, b -> flooronto = b, floorsOptional),
+            new BlockOption("floor", () -> floor, b -> floor = b, floorsOptional),
+            new BlockOption("block", () -> block, b -> block = b, wallsOresOptional)
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/SpawnPathFilter.java b/core/src/mindustry/maps/filters/SpawnPathFilter.java
index ac49b13d31..09d453e513 100644
--- a/core/src/mindustry/maps/filters/SpawnPathFilter.java
+++ b/core/src/mindustry/maps/filters/SpawnPathFilter.java
@@ -19,9 +19,9 @@ public class SpawnPathFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("radius", () -> radius, f -> radius = (int)f, 1, 20).display()
-        );
+        return new SliderOption[]{
+            new SliderOption("radius", () -> radius, f -> radius = (int)f, 1, 20).display()
+        };
     }
 
     @Override
diff --git a/core/src/mindustry/maps/filters/TerrainFilter.java b/core/src/mindustry/maps/filters/TerrainFilter.java
index f494d0c143..2c4a9f48c3 100644
--- a/core/src/mindustry/maps/filters/TerrainFilter.java
+++ b/core/src/mindustry/maps/filters/TerrainFilter.java
@@ -1,7 +1,6 @@
 package mindustry.maps.filters;
 
 import arc.math.*;
-import arc.util.*;
 import mindustry.content.*;
 import mindustry.gen.*;
 import mindustry.world.*;
@@ -14,16 +13,16 @@ public class TerrainFilter extends GenerateFilter{
 
     @Override
     public FilterOption[] options(){
-        return Structs.arr(
-        new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
-        new SliderOption("mag", () -> magnitude, f -> magnitude = f, 0f, 2f),
-        new SliderOption("threshold", () -> threshold, f -> threshold = f, 0f, 1f),
-        new SliderOption("circle-scale", () -> circleScl, f -> circleScl = f, 0f, 3f),
-        new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
-        new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
-        new BlockOption("floor", () -> floor, b -> floor = b, floorsOptional),
-        new BlockOption("wall", () -> block, b -> block = b, wallsOnly)
-        );
+        return new FilterOption[]{
+            new SliderOption("scale", () -> scl, f -> scl = f, 1f, 500f),
+            new SliderOption("mag", () -> magnitude, f -> magnitude = f, 0f, 2f),
+            new SliderOption("threshold", () -> threshold, f -> threshold = f, 0f, 1f),
+            new SliderOption("circle-scale", () -> circleScl, f -> circleScl = f, 0f, 3f),
+            new SliderOption("octaves", () -> octaves, f -> octaves = f, 1f, 10f),
+            new SliderOption("falloff", () -> falloff, f -> falloff = f, 0f, 1f),
+            new BlockOption("floor", () -> floor, b -> floor = b, floorsOptional),
+            new BlockOption("wall", () -> block, b -> block = b, wallsOnly)
+        };
     }
 
     @Override