diff --git a/core/src/mindustry/content/TechTree.java b/core/src/mindustry/content/TechTree.java
index ffac501ee3..2edc41ed9f 100644
--- a/core/src/mindustry/content/TechTree.java
+++ b/core/src/mindustry/content/TechTree.java
@@ -6,7 +6,6 @@ import arc.struct.*;
 import arc.util.*;
 import mindustry.ctype.*;
 import mindustry.game.Objectives.*;
-import mindustry.gen.*;
 import mindustry.type.*;
 
 /** Class for storing a list of TechNodes with some utility tree builder methods; context dependent. See {@link SerpuloTechTree#load} source for example usage. */
@@ -142,7 +141,7 @@ public class TechTree{
         }
 
         public Drawable icon(){
-            return icon == null ? Icon.tree : icon;
+            return icon == null ? new TextureRegionDrawable(content.uiIcon) : icon;
         }
 
         public String localizedName(){
diff --git a/core/src/mindustry/core/Renderer.java b/core/src/mindustry/core/Renderer.java
index d9294520ea..0788ccdfd0 100644
--- a/core/src/mindustry/core/Renderer.java
+++ b/core/src/mindustry/core/Renderer.java
@@ -115,6 +115,10 @@ public class Renderer implements ApplicationListener{
 
         loadFluidFrames();
 
+        Events.on(ClientLoadEvent.class, e -> {
+            loadFluidFrames();
+        });
+
         assets.load("sprites/clouds.png", Texture.class).loaded = t -> {
             t.setWrap(TextureWrap.repeat);
             t.setFilter(TextureFilter.linear);
@@ -130,8 +134,6 @@ public class Renderer implements ApplicationListener{
     }
 
     public void loadFluidFrames(){
-        if(fluidFrames != null) return;
-
         fluidFrames = new TextureRegion[2][Liquid.animationFrames];
 
         String[] fluidTypes = {"liquid", "gas"};
@@ -145,7 +147,9 @@ public class Renderer implements ApplicationListener{
     }
 
     public TextureRegion[][] getFluidFrames(){
-        loadFluidFrames();
+        if(fluidFrames == null){
+            loadFluidFrames();
+        }
         return fluidFrames;
     }
 
diff --git a/core/src/mindustry/maps/generators/FileMapGenerator.java b/core/src/mindustry/maps/generators/FileMapGenerator.java
index f2e38e8d6b..0639fd439f 100644
--- a/core/src/mindustry/maps/generators/FileMapGenerator.java
+++ b/core/src/mindustry/maps/generators/FileMapGenerator.java
@@ -40,6 +40,8 @@ public class FileMapGenerator implements WorldGenerator{
         world.setGenerating(true);
 
         tiles = world.tiles;
+
+        //TODO why is this hardcoded into the map generator
         Item[] items = {Items.blastCompound, Items.pyratite, Items.copper, Items.thorium, Items.copper, Items.lead};
 
         for(Tile tile : tiles){
diff --git a/core/src/mindustry/mod/ContentParser.java b/core/src/mindustry/mod/ContentParser.java
index c74a96e3fd..88341a53c3 100644
--- a/core/src/mindustry/mod/ContentParser.java
+++ b/core/src/mindustry/mod/ContentParser.java
@@ -384,7 +384,11 @@ public class ContentParser{
 
             if(!value.has("sector") || !value.get("sector").isNumber()) throw new RuntimeException("SectorPresets must have a sector number.");
 
-            return new SectorPreset(name, locate(ContentType.planet, value.getString("planet", "serpulo")), value.getInt("sector"));
+            SectorPreset out = new SectorPreset(name, locate(ContentType.planet, value.getString("planet", "serpulo")), value.getInt("sector"));
+            value.remove("sector");
+            value.remove("planet");
+            read(() -> readFields(out, value));
+            return out;
         }
     );
 
diff --git a/core/src/mindustry/ui/dialogs/DatabaseDialog.java b/core/src/mindustry/ui/dialogs/DatabaseDialog.java
index b5cdac1a6f..2f0b75ab9d 100644
--- a/core/src/mindustry/ui/dialogs/DatabaseDialog.java
+++ b/core/src/mindustry/ui/dialogs/DatabaseDialog.java
@@ -64,7 +64,7 @@ public class DatabaseDialog extends BaseDialog{
             all.table(list -> {
                 list.left();
 
-                int cols = (int)Mathf.clamp((Core.graphics.getWidth() - Scl.scl(30)) / Scl.scl(32 + 10), 1, 22);
+                int cols = (int)Mathf.clamp((Core.graphics.getWidth() - Scl.scl(30)) / Scl.scl(32 + 12), 1, 22);
                 int count = 0;
 
                 for(int i = 0; i < array.size; i++){
diff --git a/core/src/mindustry/ui/dialogs/PlanetDialog.java b/core/src/mindustry/ui/dialogs/PlanetDialog.java
index 0354fd86e1..eefbcaca66 100644
--- a/core/src/mindustry/ui/dialogs/PlanetDialog.java
+++ b/core/src/mindustry/ui/dialogs/PlanetDialog.java
@@ -1045,7 +1045,7 @@ public class PlanetDialog extends BaseDialog implements PlanetInterfaceRenderer{
             return;
         }
 
-        if(sector.preset != null && sector.preset.locked() && !sector.hasBase()){
+        if(sector.preset != null && sector.preset.locked() && sector.preset.techNode != null && !sector.hasBase()){
             return;
         }
 
diff --git a/core/src/mindustry/ui/dialogs/ResearchDialog.java b/core/src/mindustry/ui/dialogs/ResearchDialog.java
index 6c421640a9..d194f4f4e5 100644
--- a/core/src/mindustry/ui/dialogs/ResearchDialog.java
+++ b/core/src/mindustry/ui/dialogs/ResearchDialog.java
@@ -42,6 +42,8 @@ public class ResearchDialog extends BaseDialog{
 
     public ItemSeq items;
 
+    private boolean showTechSelect;
+
     public ResearchDialog(){
         super("");
 
@@ -63,17 +65,22 @@ public class ResearchDialog extends BaseDialog{
                         for(TechNode node : TechTree.roots){
                             if(node.requiresUnlock && !node.content.unlocked() && node != getPrefRoot()) continue;
 
-                            in.button(node.localizedName(), Styles.cleart, () -> {
+                            //TODO toggle
+                            in.button(node.localizedName(), node.icon(), Styles.clearTogglet, iconMed, () -> {
+                                if(node == lastNode){
+                                    return;
+                                }
+
                                 rebuildTree(node);
                                 hide();
-                            }).row();
+                            }).marginLeft(12f).checked(node == lastNode).row();
                         }
                     });
                 });
 
                 addCloseButton();
             }}.show();
-        }).minWidth(300f);
+        }).visible(() -> showTechSelect = TechTree.roots.count(node -> !(node.requiresUnlock && !node.content.unlocked())) > 1).minWidth(300f);
 
         margin(0f).marginBottom(8);
         cont.stack(titleTable, view = new View(), itemDisplay = new ItemsDisplay()).grow();
@@ -82,15 +89,19 @@ public class ResearchDialog extends BaseDialog{
 
         shouldPause = true;
 
-        onResize(() -> {
-            if(Core.graphics.isPortrait()){
+        Runnable checkMargin = () -> {
+            if(Core.graphics.isPortrait() && showTechSelect){
                 itemDisplay.marginTop(60f);
             }else{
                 itemDisplay.marginTop(0f);
             }
-        });
+        };
+
+        onResize(checkMargin);
 
         shown(() -> {
+            checkMargin.run();
+
             Planet currPlanet = ui.planet.isShown() ?
                 ui.planet.state.planet :
                 state.isCampaign() ? state.rules.sector.planet : null;