diff --git a/core/assets-raw/sprites/units/stell-weapon.png b/core/assets-raw/sprites/units/stell-weapon.png
deleted file mode 100644
index db7c8dc296..0000000000
Binary files a/core/assets-raw/sprites/units/stell-weapon.png and /dev/null differ
diff --git a/core/assets-raw/sprites/units/weapons/stell-weapon.png b/core/assets-raw/sprites/units/weapons/stell-weapon.png
new file mode 100644
index 0000000000..82bb46aa91
Binary files /dev/null and b/core/assets-raw/sprites/units/weapons/stell-weapon.png differ
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index 8e495d79d1..489cbbe9ca 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -140,7 +140,6 @@ public class Blocks{
     tankAssembler, shipAssembler, mechAssembler,
     //TODO maybe making it 5x5 would be more appropriate, seems kinda cheap.
     basicAssemblerModule,
-    primeControlCore,
 
     //TODO remove
     droneCenter,
@@ -3592,13 +3591,6 @@ public class Blocks{
         //endregion
         //region units - erekir
 
-        primeControlCore = new ControlCore("prime-control-core"){{
-            requirements(Category.units, with(Items.silicon, 120, Items.oxide, 30));
-            size = 2;
-            placeablePlayer = false;
-            researchCostMultiplier = 0f;
-        }};
-
         fabricator = new UnitFactory("fabricator"){{
             requirements(Category.units, with(Items.silicon, 200, Items.beryllium, 250));
             size = 3;
@@ -3611,7 +3603,7 @@ public class Blocks{
             requirements(Category.units, with(Items.graphite, 600, Items.beryllium, 600, Items.oxide, 250, Items.tungsten, 400, Items.silicon, 500));
             size = 5;
             //TODO remove ducts and crushers, replace with 2-3 high cost special blocks with silicon requirements
-            plans.add(new AssemblerUnitPlan(UnitTypes.vanquish, 60f * 50f, BlockStack.list(Blocks.tungstenWallLarge, 10, Blocks.primeControlCore, 2)));
+            plans.add(new AssemblerUnitPlan(UnitTypes.vanquish, 60f * 50f, PayloadStack.list(UnitTypes.stell, 4, Blocks.tungstenWallLarge, 12)));
             consumePower(3f);
             areaSize = 13;
             researchCostMultiplier = 0.4f;
@@ -3623,7 +3615,8 @@ public class Blocks{
         shipAssembler = new UnitAssembler("ship-assembler"){{
             requirements(Category.units, with(Items.beryllium, 700, Items.oxide, 300, Items.tungsten, 500, Items.silicon, 800));
             size = 5;
-            plans.add(new AssemblerUnitPlan(UnitTypes.quell, 60f * 60f, BlockStack.list(Blocks.berylliumWallLarge, 20, Blocks.primeControlCore, 2)));
+            //TODO not stell
+            plans.add(new AssemblerUnitPlan(UnitTypes.quell, 60f * 60f, PayloadStack.list(Blocks.berylliumWallLarge, 20, UnitTypes.stell, 2)));
             consumePower(3f);
             areaSize = 13;
             researchCostMultiplier = 0.4f;
@@ -3636,7 +3629,8 @@ public class Blocks{
             requirements(Category.units, with(Items.graphite, 500, Items.thorium, 600, Items.oxide, 200, Items.tungsten, 500, Items.silicon, 900));
             size = 5;
             //TODO different reqs
-            plans.add(new AssemblerUnitPlan(UnitTypes.bulwark, 60f * 60f, BlockStack.list(Blocks.tungstenWallLarge, 12, Blocks.primeControlCore, 2)));
+            //TODO not stell
+            plans.add(new AssemblerUnitPlan(UnitTypes.bulwark, 60f * 60f, PayloadStack.list(Blocks.tungstenWallLarge, 12, UnitTypes.stell, 2)));
             consumePower(3f);
             areaSize = 13;
             researchCostMultiplier = 0.4f;
@@ -3739,7 +3733,7 @@ public class Blocks{
             consumePower(2f);
             size = 3;
             //TODO expand this list
-            filter = Seq.with(Blocks.primeControlCore, Blocks.tungstenWallLarge, Blocks.berylliumWallLarge, Blocks.reinforcedLiquidContainer, Blocks.beamNode);
+            filter = Seq.with(Blocks.tungstenWallLarge, Blocks.berylliumWallLarge, Blocks.reinforcedLiquidContainer, Blocks.beamNode);
         }};
 
         //yes this block is pretty much useless
diff --git a/core/src/mindustry/content/ErekirTechTree.java b/core/src/mindustry/content/ErekirTechTree.java
index ed08932265..15d4ee9987 100644
--- a/core/src/mindustry/content/ErekirTechTree.java
+++ b/core/src/mindustry/content/ErekirTechTree.java
@@ -220,11 +220,6 @@ public class ErekirTechTree{
             });
 
             node(tankAssembler, Seq.with(new OnSector(four), new Research(constructor), new Research(atmosphericConcentrator)), () -> {
-                //auto-unlock?
-                node(primeControlCore, () -> {
-
-                });
-
                 node(UnitTypes.vanquish, () -> {
                     node(UnitTypes.conquer, Seq.with(tmpNever), () -> {
 
diff --git a/core/src/mindustry/content/Fx.java b/core/src/mindustry/content/Fx.java
index b7c21f6d27..55807a4a69 100644
--- a/core/src/mindustry/content/Fx.java
+++ b/core/src/mindustry/content/Fx.java
@@ -253,9 +253,14 @@ public class Fx{
         float x = Tmp.v1.x, y = Tmp.v1.y;
 
         scl(e.fout(Interp.pow3Out) * 1.05f);
-        Drawf.squareShadow(x, y, data.block.size * tilesize * 1.85f, 1f);
+        if(data.item instanceof Block block){
+            Drawf.squareShadow(x, y, block.size * tilesize * 1.85f, 1f);
+        }else if(data.item instanceof UnitType unit){
+            unit.drawSoftShadow(e.x, e.y, e.rotation, 1f);
+        }
+
         mixcol(Pal.accent, e.fin());
-        rect(data.block.fullIcon, x, y);
+        rect(data.item.fullIcon, x, y, data.item instanceof Block ? 0f : e.rotation - 90f);
     }).layer(Layer.flyingUnitLow - 5f),
 
     select = new Effect(23, e -> {
diff --git a/core/src/mindustry/entities/abilities/SuppressionFieldAbility.java b/core/src/mindustry/entities/abilities/SuppressionFieldAbility.java
index 5cb7c992c8..7c3f56b53c 100644
--- a/core/src/mindustry/entities/abilities/SuppressionFieldAbility.java
+++ b/core/src/mindustry/entities/abilities/SuppressionFieldAbility.java
@@ -73,6 +73,10 @@ public class SuppressionFieldAbility extends Ability{
         Draw.color(color);
         Fill.circle(rx, ry, rad * orbMidScl);
 
+        if(active){
+            //TODO draw range when selected?
+        }
+
         Draw.reset();
     }
 }
diff --git a/core/src/mindustry/entities/comp/BuildingComp.java b/core/src/mindustry/entities/comp/BuildingComp.java
index d769dd5227..a5c6c1d337 100644
--- a/core/src/mindustry/entities/comp/BuildingComp.java
+++ b/core/src/mindustry/entities/comp/BuildingComp.java
@@ -828,7 +828,8 @@ abstract class BuildingComp implements Posc, Teamc, Healthc, Buildingc, Timerc,
         return null;
     }
 
-    public @Nullable BlockSeq getBlockPayloads(){
+    public @Nullable
+    PayloadSeq getBlockPayloads(){
         return null;
     }
 
diff --git a/core/src/mindustry/mod/ClassMap.java b/core/src/mindustry/mod/ClassMap.java
index 9084b0dcfe..252a66d8d9 100644
--- a/core/src/mindustry/mod/ClassMap.java
+++ b/core/src/mindustry/mod/ClassMap.java
@@ -1,6 +1,7 @@
 package mindustry.mod;
 
 import arc.struct.*;
+import mindustry.type.*;
 import mindustry.world.blocks.legacy.*;
 import mindustry.world.consumers.*;
 
@@ -75,8 +76,8 @@ public class ClassMap{
         classes.put("Research", mindustry.game.Objectives.Research.class);
         classes.put("SectorComplete", mindustry.game.Objectives.SectorComplete.class);
         classes.put("AmmoType", mindustry.type.AmmoType.class);
-        classes.put("BlockSeq", mindustry.type.BlockSeq.class);
-        classes.put("BlockStack", mindustry.type.BlockStack.class);
+        classes.put("BlockSeq", PayloadSeq.class);
+        classes.put("BlockStack", PayloadStack.class);
         classes.put("Category", mindustry.type.Category.class);
         classes.put("CellLiquid", mindustry.type.CellLiquid.class);
         classes.put("ErrorContent", mindustry.type.ErrorContent.class);
diff --git a/core/src/mindustry/mod/ContentParser.java b/core/src/mindustry/mod/ContentParser.java
index ba8dfc8212..6e605faad3 100644
--- a/core/src/mindustry/mod/ContentParser.java
+++ b/core/src/mindustry/mod/ContentParser.java
@@ -458,6 +458,11 @@ public class ContentParser{
                     value.remove("controller");
                 }
 
+                if(value.has("unitBasedController")){
+                    unit.unitBasedDefaultController = u -> supply(resolve(value.getString("unitBasedController"), FlyingAI.class)).get();
+                    value.remove("unitBasedController");
+                }
+
                 //read extra default waves
                 if(value.has("waves")){
                     JsonValue waves = value.remove("waves");
diff --git a/core/src/mindustry/type/BlockStack.java b/core/src/mindustry/type/BlockStack.java
deleted file mode 100644
index 0199bbb9a4..0000000000
--- a/core/src/mindustry/type/BlockStack.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package mindustry.type;
-
-import arc.struct.*;
-import mindustry.content.*;
-import mindustry.world.*;
-
-public class BlockStack implements Comparable<BlockStack>{
-    public Block block = Blocks.router;
-    public int amount = 1;
-
-    public BlockStack(Block block, int amount){
-        this.block = block;
-        this.amount = amount;
-    }
-
-    public BlockStack(Block block){
-        this.block = block;
-    }
-
-    public BlockStack(){
-    }
-
-    public static BlockStack[] with(Object... items){
-        var stacks = new BlockStack[items.length / 2];
-        for(int i = 0; i < items.length; i += 2){
-            stacks[i / 2] = new BlockStack((Block)items[i], ((Number)items[i + 1]).intValue());
-        }
-        return stacks;
-    }
-
-    public static Seq<BlockStack> list(Object... items){
-        Seq<BlockStack> stacks = new Seq<>(items.length / 2);
-        for(int i = 0; i < items.length; i += 2){
-            stacks.add(new BlockStack((Block)items[i], ((Number)items[i + 1]).intValue()));
-        }
-        return stacks;
-    }
-
-    @Override
-    public int compareTo(BlockStack stack){
-        return block.compareTo(stack.block);
-    }
-
-    @Override
-    public boolean equals(Object o){
-        return this == o || (o instanceof BlockStack stack && stack.amount == amount && block == stack.block);
-    }
-
-    @Override
-    public String toString(){
-        return "BlockStack{" +
-        "block=" + block +
-        ", amount=" + amount +
-        '}';
-    }
-}
diff --git a/core/src/mindustry/type/BlockSeq.java b/core/src/mindustry/type/PayloadSeq.java
similarity index 56%
rename from core/src/mindustry/type/BlockSeq.java
rename to core/src/mindustry/type/PayloadSeq.java
index 542387cc14..0601087ee5 100644
--- a/core/src/mindustry/type/BlockSeq.java
+++ b/core/src/mindustry/type/PayloadSeq.java
@@ -3,10 +3,10 @@ package mindustry.type;
 import arc.struct.*;
 import arc.util.io.*;
 import mindustry.*;
-import mindustry.world.*;
+import mindustry.ctype.*;
 
-public class BlockSeq{
-    private ObjectIntMap<Block> blocks = new ObjectIntMap<>();
+public class PayloadSeq{
+    private ObjectIntMap<UnlockableContent> blocks = new ObjectIntMap<>();
     private int total;
 
     public boolean isEmpty(){
@@ -21,25 +21,25 @@ public class BlockSeq{
         return total;
     }
 
-    public void add(Block block){
+    public void add(UnlockableContent block){
         add(block, 1);
     }
 
-    public void add(Block block, int amount){
+    public void add(UnlockableContent block, int amount){
         blocks.increment(block, amount);
         total += amount;
     }
 
-    public void remove(Block block){
+    public void remove(UnlockableContent block){
         add(block, -1);
     }
 
-    public void remove(Block block, int amount){
+    public void remove(UnlockableContent block, int amount){
         add(block, -amount);
     }
 
-    public void remove(Seq<BlockStack> stacks){
-        stacks.each(b -> remove(b.block, b.amount));
+    public void remove(Seq<PayloadStack> stacks){
+        stacks.each(b -> remove(b.item, b.amount));
     }
 
     public void clear(){
@@ -47,24 +47,24 @@ public class BlockSeq{
         total = 0;
     }
 
-    public int get(Block block){
+    public int get(UnlockableContent block){
         return blocks.get(block);
     }
 
-    public boolean contains(Seq<BlockStack> stacks){
-        return !stacks.contains(b -> get(b.block) < b.amount);
+    public boolean contains(Seq<PayloadStack> stacks){
+        return !stacks.contains(b -> get(b.item) < b.amount);
     }
 
-    public boolean contains(Block block, int amount){
+    public boolean contains(UnlockableContent block, int amount){
         return get(block) >= amount;
     }
 
-    public boolean contains(Block block){
+    public boolean contains(UnlockableContent block){
         return get(block) >= 1;
     }
 
-    public boolean contains(BlockStack stack){
-        return get(stack.block) >= stack.amount;
+    public boolean contains(PayloadStack stack){
+        return get(stack.item) >= stack.amount;
     }
 
     public void write(Writes write){
diff --git a/core/src/mindustry/type/PayloadStack.java b/core/src/mindustry/type/PayloadStack.java
new file mode 100644
index 0000000000..d1abfb796f
--- /dev/null
+++ b/core/src/mindustry/type/PayloadStack.java
@@ -0,0 +1,56 @@
+package mindustry.type;
+
+import arc.struct.*;
+import mindustry.content.*;
+import mindustry.ctype.*;
+
+public class PayloadStack implements Comparable<PayloadStack>{
+    public UnlockableContent item = Blocks.router;
+    public int amount = 1;
+
+    public PayloadStack(UnlockableContent item, int amount){
+        this.item = item;
+        this.amount = amount;
+    }
+
+    public PayloadStack(UnlockableContent item){
+        this.item = item;
+    }
+
+    public PayloadStack(){
+    }
+
+    public static PayloadStack[] with(Object... items){
+        var stacks = new PayloadStack[items.length / 2];
+        for(int i = 0; i < items.length; i += 2){
+            stacks[i / 2] = new PayloadStack((UnlockableContent)items[i], ((Number)items[i + 1]).intValue());
+        }
+        return stacks;
+    }
+
+    public static Seq<PayloadStack> list(Object... items){
+        Seq<PayloadStack> stacks = new Seq<>(items.length / 2);
+        for(int i = 0; i < items.length; i += 2){
+            stacks.add(new PayloadStack((UnlockableContent)items[i], ((Number)items[i + 1]).intValue()));
+        }
+        return stacks;
+    }
+
+    @Override
+    public int compareTo(PayloadStack stack){
+        return item.compareTo(stack.item);
+    }
+
+    @Override
+    public boolean equals(Object o){
+        return this == o || (o instanceof PayloadStack stack && stack.amount == amount && item == stack.item);
+    }
+
+    @Override
+    public String toString(){
+        return "BlockStack{" +
+        "item=" + item +
+        ", amount=" + amount +
+        '}';
+    }
+}
diff --git a/core/src/mindustry/type/UnitType.java b/core/src/mindustry/type/UnitType.java
index 3c8d545bb8..d22e6e4b64 100644
--- a/core/src/mindustry/type/UnitType.java
+++ b/core/src/mindustry/type/UnitType.java
@@ -112,9 +112,11 @@ public class UnitType extends UnlockableContent{
     /** Target items to mine. Used in MinerAI */
     public Seq<Item> mineItems = Seq.with(Items.copper, Items.lead, Items.titanium, Items.thorium);
 
+    //TODO different names for these fields.
     /** The default AI controller to assign on creation. */
     public Prov<? extends UnitController> defaultController = () -> !flying ? new GroundAI() : new FlyingAI();
     /** Function that chooses AI controller based on unit entity. */
+    //TODO -name is too long
     public Func<Unit, ? extends UnitController> unitBasedDefaultController = u -> !playerControllable || u.team.isAI() ? defaultController.get() : new CommandAI();
 
     public Color outlineColor = Pal.darkerMetal;
@@ -713,8 +715,14 @@ public class UnitType extends UnlockableContent{
                     }
                     ItemSeq reqs = new ItemSeq();
                     for(var bstack : plan.requirements){
-                        for(var stack : bstack.block.requirements){
-                            reqs.add(stack.item, stack.amount * bstack.amount);
+                        if(bstack.item instanceof Block block){
+                            for(var stack : block.requirements){
+                                reqs.add(stack.item, stack.amount * bstack.amount);
+                            }
+                        }else if(bstack.item instanceof UnitType unit){
+                            for(var stack : unit.getTotalRequirements()){
+                                reqs.add(stack.item, stack.amount * bstack.amount);
+                            }
                         }
                     }
                     return reqs.toArray();
@@ -911,10 +919,14 @@ public class UnitType extends UnlockableContent{
     }
 
     public void drawSoftShadow(Unit unit, float alpha){
+        drawSoftShadow(unit.x, unit.y, unit.rotation, alpha);
+    }
+
+    public void drawSoftShadow(float x, float y, float rotation, float alpha){
         Draw.color(0, 0, 0, 0.4f * alpha);
         float rad = 1.6f;
         float size = Math.max(region.width, region.height) * Draw.scl;
-        Draw.rect(softShadowRegion, unit, size * rad * Draw.xscl, size * rad * Draw.yscl, unit.rotation - 90);
+        Draw.rect(softShadowRegion, x, y, size * rad * Draw.xscl, size * rad * Draw.yscl, rotation - 90);
         Draw.color();
     }
 
diff --git a/core/src/mindustry/ui/ItemImage.java b/core/src/mindustry/ui/ItemImage.java
index b58cb2f4fd..cefa03beef 100644
--- a/core/src/mindustry/ui/ItemImage.java
+++ b/core/src/mindustry/ui/ItemImage.java
@@ -38,7 +38,7 @@ public class ItemImage extends Stack{
         }
     }
 
-    public ItemImage(BlockStack stack){
-        this(stack.block.uiIcon, stack.amount);
+    public ItemImage(PayloadStack stack){
+        this(stack.item.uiIcon, stack.amount);
     }
 }
diff --git a/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java b/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java
index 6741a20362..f89d0d4334 100644
--- a/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java
+++ b/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java
@@ -4,6 +4,7 @@ import arc.scene.ui.*;
 import arc.scene.ui.layout.*;
 import arc.struct.*;
 import arc.util.io.*;
+import mindustry.ctype.*;
 import mindustry.entities.bullet.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
@@ -18,9 +19,9 @@ import static mindustry.Vars.*;
 
 //TODO visuals!
 public class PayloadTurret extends Turret{
-    public ObjectMap<Block, BulletType> ammoTypes = new ObjectMap<>();
+    public ObjectMap<UnlockableContent, BulletType> ammoTypes = new ObjectMap<>();
 
-    protected Block[] ammoKeys;
+    protected UnlockableContent[] ammoKeys;
 
     public PayloadTurret(String name){
         super(name);
@@ -62,7 +63,7 @@ public class PayloadTurret extends Turret{
             public void build(Building build, Table table){
                 MultiReqImage image = new MultiReqImage();
                 content.blocks().each(i -> filter.get(i) && i.unlockedNow(), block -> image.add(new ReqImage(new Image(block.uiIcon),
-                () -> build instanceof PayloadTurretBuild it && !it.blocks.isEmpty() && it.currentBlock() == block)));
+                () -> build instanceof PayloadTurretBuild it && !it.payloads.isEmpty() && it.currentBlock() == block)));
 
                 table.add(image).size(8 * 4);
             }
@@ -70,7 +71,7 @@ public class PayloadTurret extends Turret{
             @Override
             public boolean valid(Building build){
                 //valid when there's any ammo in the turret
-                return build instanceof PayloadTurretBuild it && it.blocks.any();
+                return build instanceof PayloadTurretBuild it && it.payloads.any();
             }
 
             @Override
@@ -85,11 +86,11 @@ public class PayloadTurret extends Turret{
     }
 
     public class PayloadTurretBuild extends TurretBuild{
-        public BlockSeq blocks = new BlockSeq();
+        public PayloadSeq payloads = new PayloadSeq();
 
-        public Block currentBlock(){
-            for(Block block : ammoKeys){
-                if(blocks.contains(block)){
+        public UnlockableContent currentBlock(){
+            for(var block : ammoKeys){
+                if(payloads.contains(block)){
                     return block;
                 }
             }
@@ -98,25 +99,25 @@ public class PayloadTurret extends Turret{
 
         @Override
         public boolean acceptPayload(Building source, Payload payload){
-            return payload instanceof BuildPayload build && blocks.total() < maxAmmo && ammoTypes.containsKey(build.block());
+            return payload instanceof BuildPayload build && payloads.total() < maxAmmo && ammoTypes.containsKey(build.block());
         }
 
         @Override
         public void handlePayload(Building source, Payload payload){
-            blocks.add(((BuildPayload)payload).block());
+            payloads.add(((BuildPayload)payload).block());
         }
 
         @Override
         public boolean hasAmmo(){
-            return blocks.total() > 0;
+            return payloads.total() > 0;
         }
 
         @Override
         public BulletType useAmmo(){
             ejectEffects();
-            for(Block block : ammoKeys){
-                if(blocks.contains(block)){
-                    blocks.remove(block);
+            for(var block : ammoKeys){
+                if(payloads.contains(block)){
+                    payloads.remove(block);
                     return ammoTypes.get(block);
                 }
             }
@@ -125,8 +126,8 @@ public class PayloadTurret extends Turret{
 
         @Override
         public BulletType peekAmmo(){
-            for(Block block : ammoKeys){
-                if(blocks.contains(block)){
+            for(var block : ammoKeys){
+                if(payloads.contains(block)){
                     return ammoTypes.get(block);
                 }
             }
@@ -134,13 +135,13 @@ public class PayloadTurret extends Turret{
         }
 
         @Override
-        public BlockSeq getBlockPayloads(){
-            return blocks;
+        public PayloadSeq getBlockPayloads(){
+            return payloads;
         }
 
         @Override
         public void updateTile(){
-            totalAmmo = blocks.total();
+            totalAmmo = payloads.total();
             unit.ammo((float)unit.type().ammoCapacity * totalAmmo / maxAmmo);
 
             super.updateTile();
@@ -157,13 +158,13 @@ public class PayloadTurret extends Turret{
         @Override
         public void write(Writes write){
             super.write(write);
-            blocks.write(write);
+            payloads.write(write);
         }
 
         @Override
         public void read(Reads read, byte revision){
             super.read(read, revision);
-            blocks.read(read);
+            payloads.read(read);
             //TODO remove invalid ammo
         }
     }
diff --git a/core/src/mindustry/world/blocks/payloads/BuildPayload.java b/core/src/mindustry/world/blocks/payloads/BuildPayload.java
index 15476fe888..fc4443b657 100644
--- a/core/src/mindustry/world/blocks/payloads/BuildPayload.java
+++ b/core/src/mindustry/world/blocks/payloads/BuildPayload.java
@@ -3,6 +3,7 @@ package mindustry.world.blocks.payloads;
 import arc.graphics.g2d.*;
 import arc.math.*;
 import arc.util.io.*;
+import mindustry.ctype.*;
 import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
@@ -36,6 +37,11 @@ public class BuildPayload implements Payload{
         build.dropped();
     }
 
+    @Override
+    public UnlockableContent content(){
+        return build.block;
+    }
+
     @Override
     public void update(boolean inUnit){
         if(inUnit && !build.block.updateInUnits) return;
diff --git a/core/src/mindustry/world/blocks/payloads/Payload.java b/core/src/mindustry/world/blocks/payloads/Payload.java
index c2ff53721c..172aa7c3d5 100644
--- a/core/src/mindustry/world/blocks/payloads/Payload.java
+++ b/core/src/mindustry/world/blocks/payloads/Payload.java
@@ -4,6 +4,7 @@ import arc.graphics.g2d.*;
 import arc.math.geom.*;
 import arc.util.*;
 import arc.util.io.*;
+import mindustry.ctype.*;
 import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.type.*;
@@ -60,6 +61,9 @@ public interface Payload extends Position{
     /** @return icon describing the contents. */
     TextureRegion icon();
 
+    /** @return content describing this payload (block or unit) */
+    UnlockableContent content();
+
     @Override
     default float getX(){
         return x();
diff --git a/core/src/mindustry/world/blocks/payloads/UnitPayload.java b/core/src/mindustry/world/blocks/payloads/UnitPayload.java
index 17ccf554c9..42dd051bd4 100644
--- a/core/src/mindustry/world/blocks/payloads/UnitPayload.java
+++ b/core/src/mindustry/world/blocks/payloads/UnitPayload.java
@@ -9,6 +9,7 @@ import arc.util.*;
 import arc.util.io.*;
 import mindustry.*;
 import mindustry.core.*;
+import mindustry.ctype.*;
 import mindustry.entities.EntityCollisions.*;
 import mindustry.entities.*;
 import mindustry.game.EventType.*;
@@ -40,6 +41,11 @@ public class UnitPayload implements Payload{
         showOverlay(icon.getRegion());
     }
 
+    @Override
+    public UnlockableContent content(){
+        return unit.type;
+    }
+
     @Override
     public ItemStack[] requirements(){
         return unit.type.getTotalRequirements();
diff --git a/core/src/mindustry/world/blocks/power/ConsumeGenerator.java b/core/src/mindustry/world/blocks/power/ConsumeGenerator.java
index 4db25f5681..e2c88a0cfa 100644
--- a/core/src/mindustry/world/blocks/power/ConsumeGenerator.java
+++ b/core/src/mindustry/world/blocks/power/ConsumeGenerator.java
@@ -17,7 +17,7 @@ public class ConsumeGenerator extends PowerGenerator{
     public float itemDuration = 120f;
 
     public float effectChance = 0.01f;
-    public Effect generateEffect = Fx.none;
+    public Effect generateEffect = Fx.none, consumeEffect = Fx.none;
     public float generateEffectRange = 3f;
 
     public @Nullable LiquidStack liquidOutput;
@@ -79,6 +79,7 @@ public class ConsumeGenerator extends PowerGenerator{
             //take in items periodically
             if(hasItems && valid && generateTime <= 0f && items.any()){
                 consume();
+                consumeEffect.at(x + Mathf.range(generateEffectRange), y + Mathf.range(generateEffectRange));
                 generateTime = 1f;
             }
 
@@ -92,6 +93,10 @@ public class ConsumeGenerator extends PowerGenerator{
             generateTime -= Math.min(1f / itemDuration * delta(), generateTime);
         }
 
+        public float getEfficiencyMultiplier(){
+            return 1f;
+        }
+
         @Override
         public boolean consumeTriggerValid(){
             return generateTime > 0;
diff --git a/core/src/mindustry/world/blocks/units/UnitAssembler.java b/core/src/mindustry/world/blocks/units/UnitAssembler.java
index 97bed7e268..4b36f33704 100644
--- a/core/src/mindustry/world/blocks/units/UnitAssembler.java
+++ b/core/src/mindustry/world/blocks/units/UnitAssembler.java
@@ -12,6 +12,7 @@ import arc.util.io.*;
 import mindustry.ai.types.*;
 import mindustry.annotations.Annotations.*;
 import mindustry.content.*;
+import mindustry.ctype.*;
 import mindustry.entities.*;
 import mindustry.entities.units.*;
 import mindustry.game.*;
@@ -50,6 +51,7 @@ public class UnitAssembler extends PayloadBlock{
         flags = EnumSet.of(BlockFlag.unitAssembler);
         regionRotated1 = 1;
         sync = true;
+        group = BlockGroup.units;
     }
 
     public Rect getRect(Rect rect, float x, float y, int rotation){
@@ -148,10 +150,10 @@ public class UnitAssembler extends PayloadBlock{
 
     public static class AssemblerUnitPlan{
         public UnitType unit;
-        public Seq<BlockStack> requirements;
+        public Seq<PayloadStack> requirements;
         public float time;
 
-        public AssemblerUnitPlan(UnitType unit, float time, Seq<BlockStack> requirements){
+        public AssemblerUnitPlan(UnitType unit, float time, Seq<PayloadStack> requirements){
             this.unit = unit;
             this.time = time;
             this.requirements = requirements;
@@ -163,11 +165,11 @@ public class UnitAssembler extends PayloadBlock{
     /** hbgwerjhbagjegwg */
     public static class YeetData{
         public Vec2 target;
-        public Block block;
+        public UnlockableContent item;
 
-        public YeetData(Vec2 target, Block block){
+        public YeetData(Vec2 target, UnlockableContent item){
             this.target = target;
-            this.block = block;
+            this.item = item;
         }
     }
 
@@ -183,14 +185,14 @@ public class UnitAssembler extends PayloadBlock{
         build.droneSpawned(id);
     }
 
-    public class UnitAssemblerBuild extends PayloadBlockBuild<BuildPayload>{
+    public class UnitAssemblerBuild extends PayloadBlockBuild<Payload>{
         protected IntSeq readUnits = new IntSeq();
         //holds drone IDs that have been sent, but not synced yet - add to list as soon as possible
         protected IntSeq whenSyncedUnits = new IntSeq();
 
         public Seq<Unit> units = new Seq<>();
         public Seq<UnitAssemblerModuleBuild> modules = new Seq<>();
-        public BlockSeq blocks = new BlockSeq();
+        public PayloadSeq blocks = new PayloadSeq();
         public float progress, warmup, droneWarmup, powerWarmup, sameTypeWarmup;
         public float invalidWarmup = 0f;
         public int currentTier = 0;
@@ -518,12 +520,12 @@ public class UnitAssembler extends PayloadBlock{
             return consValid() && !wasOccupied;
         }
 
-        public void yeetPayload(BuildPayload payload){
+        public void yeetPayload(Payload payload){
             var spawn = getUnitSpawn();
-            blocks.add(payload.block(), 1);
+            blocks.add(payload.content(), 1);
             float rot = payload.angleTo(spawn);
             Fx.shootPayloadDriver.at(payload.x(), payload.y(), rot);
-            Fx.payloadDeposit.at(payload.x(), payload.y(), rot, new YeetData(spawn.cpy(), payload.block()));
+            Fx.payloadDeposit.at(payload.x(), payload.y(), rot, new YeetData(spawn.cpy(), payload.content()));
         }
 
         @Override
@@ -533,7 +535,7 @@ public class UnitAssembler extends PayloadBlock{
         }
 
         @Override
-        public BlockSeq getBlockPayloads(){
+        public PayloadSeq getBlockPayloads(){
             return blocks;
         }
 
@@ -541,7 +543,7 @@ public class UnitAssembler extends PayloadBlock{
         public boolean acceptPayload(Building source, Payload payload){
             var plan = plan();
             return (this.payload == null || source instanceof UnitAssemblerModuleBuild) &&
-                    payload instanceof BuildPayload bp && plan.requirements.contains(b -> b.block == bp.block() && blocks.get(bp.block()) < b.amount);
+                    plan.requirements.contains(b -> b.item == payload.content() && blocks.get(payload.content()) < b.amount);
         }
 
         @Override
diff --git a/core/src/mindustry/world/blocks/units/UnitAssemblerModule.java b/core/src/mindustry/world/blocks/units/UnitAssemblerModule.java
index 228df155dd..528e733a9a 100644
--- a/core/src/mindustry/world/blocks/units/UnitAssemblerModule.java
+++ b/core/src/mindustry/world/blocks/units/UnitAssemblerModule.java
@@ -61,7 +61,7 @@ public class UnitAssemblerModule extends PayloadBlock{
         return results.find(b -> b.moduleFits(this, x * tilesize + offset, y * tilesize + offset, rotation));
     }
 
-    public class UnitAssemblerModuleBuild extends PayloadBlockBuild<BuildPayload>{
+    public class UnitAssemblerModuleBuild extends PayloadBlockBuild<Payload>{
         public UnitAssemblerBuild link;
         public int lastChange = -2;
 
diff --git a/core/src/mindustry/world/consumers/ConsumePayloadDynamic.java b/core/src/mindustry/world/consumers/ConsumePayloadDynamic.java
index 5bd5f67df4..9fc33d127f 100644
--- a/core/src/mindustry/world/consumers/ConsumePayloadDynamic.java
+++ b/core/src/mindustry/world/consumers/ConsumePayloadDynamic.java
@@ -9,11 +9,11 @@ import mindustry.ui.*;
 import mindustry.world.meta.*;
 
 public class ConsumePayloadDynamic extends Consume{
-    public final Func<Building, Seq<BlockStack>> payloads;
+    public final Func<Building, Seq<PayloadStack>> payloads;
 
     @SuppressWarnings("unchecked")
-    public <T extends Building>  ConsumePayloadDynamic(Func<T, Seq<BlockStack>> payloads){
-        this.payloads = (Func<Building, Seq<BlockStack>>)payloads;
+    public <T extends Building>  ConsumePayloadDynamic(Func<T, Seq<PayloadStack>> payloads){
+        this.payloads = (Func<Building, Seq<PayloadStack>>)payloads;
     }
 
     @Override
@@ -54,8 +54,8 @@ public class ConsumePayloadDynamic extends Consume{
         table.table(c -> {
             int i = 0;
             for(var stack : pay){
-                c.add(new ReqImage(new ItemImage(stack.block.uiIcon, stack.amount),
-                () -> inv.contains(stack.block, stack.amount))).padRight(8);
+                c.add(new ReqImage(new ItemImage(stack.item.uiIcon, stack.amount),
+                () -> inv.contains(stack.item, stack.amount))).padRight(8);
                 if(++i % 4 == 0) c.row();
             }
         }).left();
diff --git a/core/src/mindustry/world/consumers/ConsumePayloadFilter.java b/core/src/mindustry/world/consumers/ConsumePayloadFilter.java
index 8e7f0ae957..7e0ba4a638 100644
--- a/core/src/mindustry/world/consumers/ConsumePayloadFilter.java
+++ b/core/src/mindustry/world/consumers/ConsumePayloadFilter.java
@@ -2,23 +2,25 @@ package mindustry.world.consumers;
 
 import arc.func.*;
 import arc.scene.ui.layout.*;
+import arc.struct.*;
 import mindustry.*;
+import mindustry.ctype.*;
 import mindustry.gen.*;
 import mindustry.ui.*;
-import mindustry.world.*;
 import mindustry.world.meta.*;
 
 import static mindustry.Vars.*;
 
 public class ConsumePayloadFilter extends Consume{
     //cache fitting blocks to prevent search over all blocks later
-    protected final Block[] fitting;
+    protected final UnlockableContent[] fitting;
 
-    public Boolf<Block> filter;
+    public Boolf<UnlockableContent> filter;
 
-    public ConsumePayloadFilter(Boolf<Block> filter){
+    public ConsumePayloadFilter(Boolf<UnlockableContent> filter){
         this.filter = filter;
-        this.fitting = Vars.content.blocks().select(filter).toArray(Block.class);
+        this.fitting = Vars.content.blocks().copy().<UnlockableContent>as().and(content.units().as())
+            .select(filter).toArray(UnlockableContent.class);
     }
 
     @Override
@@ -45,7 +47,7 @@ public class ConsumePayloadFilter extends Consume{
 
     @Override
     public void display(Stats stats){
-        stats.add(booster ? Stat.booster : Stat.input, StatValues.blocks(filter));
+        stats.add(booster ? Stat.booster : Stat.input, StatValues.content(new Seq<>(fitting)));
     }
 
     @Override
diff --git a/core/src/mindustry/world/consumers/ConsumePayloads.java b/core/src/mindustry/world/consumers/ConsumePayloads.java
index 9d351ba869..5a497b52e5 100644
--- a/core/src/mindustry/world/consumers/ConsumePayloads.java
+++ b/core/src/mindustry/world/consumers/ConsumePayloads.java
@@ -8,9 +8,9 @@ import mindustry.ui.*;
 import mindustry.world.meta.*;
 
 public class ConsumePayloads extends Consume{
-    public Seq<BlockStack> payloads;
+    public Seq<PayloadStack> payloads;
 
-    public ConsumePayloads(Seq<BlockStack> payloads){
+    public ConsumePayloads(Seq<PayloadStack> payloads){
         this.payloads = payloads;
     }
 
@@ -31,7 +31,7 @@ public class ConsumePayloads extends Consume{
         for(var stack : payloads){
             stats.add(Stat.input, t -> {
                 t.add(new ItemImage(stack));
-                t.add(stack.block.localizedName).padLeft(4).padRight(4);
+                t.add(stack.item.localizedName).padLeft(4).padRight(4);
             });
         }
     }
@@ -43,8 +43,8 @@ public class ConsumePayloads extends Consume{
         table.table(c -> {
             int i = 0;
             for(var stack : payloads){
-                c.add(new ReqImage(new ItemImage(stack.block.uiIcon, stack.amount),
-                () -> inv.contains(stack.block, stack.amount))).padRight(8);
+                c.add(new ReqImage(new ItemImage(stack.item.uiIcon, stack.amount),
+                () -> inv.contains(stack.item, stack.amount))).padRight(8);
                 if(++i % 4 == 0) c.row();
             }
         }).left();
diff --git a/core/src/mindustry/world/meta/StatValues.java b/core/src/mindustry/world/meta/StatValues.java
index 7f0ad1e1bf..cd2d6ecd4e 100644
--- a/core/src/mindustry/world/meta/StatValues.java
+++ b/core/src/mindustry/world/meta/StatValues.java
@@ -197,16 +197,12 @@ public class StatValues{
         });
     }
 
-    public static StatValue blocks(Boolf<Block> pred){
-        return blocks(content.blocks().select(pred));
-    }
-
-    public static StatValue blocks(Seq<Block> list){
+    public static StatValue content(Seq<UnlockableContent> list){
         return table -> table.table(l -> {
             l.left();
 
             for(int i = 0; i < list.size; i++){
-                Block item = list.get(i);
+                var item = list.get(i);
 
                 l.image(item.uiIcon).size(iconSmall).padRight(2).padLeft(2).padTop(3).padBottom(3);
                 l.add(item.localizedName).left().padLeft(1).padRight(4);
@@ -217,6 +213,14 @@ public class StatValues{
         });
     }
 
+    public static StatValue blocks(Boolf<Block> pred){
+        return blocks(content.blocks().select(pred));
+    }
+
+    public static StatValue blocks(Seq<Block> list){
+        return content(list.as());
+    }
+
     public static StatValue boosters(float reload, float maxUsed, float multiplier, boolean baseReload, Boolf<Liquid> filter){
         return table -> {
             table.row();