diff --git a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png b/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png
index 8b07e080d3..e05f72e92c 100644
Binary files a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png and b/core/assets-raw/sprites/blocks/production/cryofluid-mixer-bottom.png differ
diff --git a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-liquid.png b/core/assets-raw/sprites/blocks/production/cryofluid-mixer-liquid.png
deleted file mode 100644
index 26d446e761..0000000000
Binary files a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-liquid.png and /dev/null differ
diff --git a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-top.png b/core/assets-raw/sprites/blocks/production/cryofluid-mixer-top.png
deleted file mode 100644
index 3bb5abe3cb..0000000000
Binary files a/core/assets-raw/sprites/blocks/production/cryofluid-mixer-top.png and /dev/null differ
diff --git a/core/assets-raw/sprites/blocks/production/cryofluid-mixer.png b/core/assets-raw/sprites/blocks/production/cryofluid-mixer.png
new file mode 100644
index 0000000000..563dd8f2fd
Binary files /dev/null and b/core/assets-raw/sprites/blocks/production/cryofluid-mixer.png differ
diff --git a/core/assets-raw/sprites/blocks/production/plastanium-compressor-top.png b/core/assets-raw/sprites/blocks/production/plastanium-compressor-top.png
index ceb6a9b646..52892006b4 100644
Binary files a/core/assets-raw/sprites/blocks/production/plastanium-compressor-top.png and b/core/assets-raw/sprites/blocks/production/plastanium-compressor-top.png differ
diff --git a/core/assets/icons/icons.properties b/core/assets/icons/icons.properties
index 6b96a2fa11..fd1827c84d 100755
--- a/core/assets/icons/icons.properties
+++ b/core/assets/icons/icons.properties
@@ -552,3 +552,4 @@
 63151=mech-reconstructor|block-mech-reconstructor-ui
 63150=ship-reconstructor|block-ship-reconstructor-ui
 63149=radar|block-radar-ui
+63148=turret-unit-build-tower|unit-turret-unit-build-tower-ui
diff --git a/core/src/mindustry/content/Blocks.java b/core/src/mindustry/content/Blocks.java
index ff2677545e..acd37bf596 100644
--- a/core/src/mindustry/content/Blocks.java
+++ b/core/src/mindustry/content/Blocks.java
@@ -890,7 +890,7 @@ public class Blocks{
             size = 2;
             hasPower = true;
             hasLiquids = false;
-            drawer = new DrawSmelter(Color.valueOf("ffef99"));
+            drawer = new DrawMulti(new DrawBlock(), new DrawFlame(Color.valueOf("ffef99")));
             ambientSound = Sounds.smelter;
             ambientSoundVolume = 0.07f;
 
@@ -908,7 +908,7 @@ public class Blocks{
             hasLiquids = false;
             itemCapacity = 30;
             boostScale = 0.15f;
-            drawer = new DrawSmelter(Color.valueOf("ffef99"));
+            drawer = new DrawMulti(new DrawBlock(), new DrawFlame(Color.valueOf("ffef99")));
             ambientSound = Sounds.smelter;
             ambientSoundVolume = 0.07f;
 
@@ -927,7 +927,8 @@ public class Blocks{
             envEnabled |= Env.space | Env.underwater;
             envDisabled = Env.none;
             itemCapacity = 30;
-            drawer = new DrawArcSmelter();
+            drawer = new DrawMulti(new DrawRegion("-bottom"), new DrawArcSmelt(), new DrawBlock());
+            drawer.iconOverride = new String[]{"-bottom", ""};
             fogRadius = 3;
             researchCost = with(Items.beryllium, 150, Items.graphite, 50);
 
@@ -942,7 +943,7 @@ public class Blocks{
             craftTime = 30f;
             size = 2;
             hasPower = hasItems = true;
-            drawer = new DrawSmelter(Color.valueOf("ffc099"));
+            drawer = new DrawMulti(new DrawBlock(), new DrawFlame(Color.valueOf("ffc099")));
             ambientSound = Sounds.smelter;
             ambientSoundVolume = 0.07f;
 
@@ -961,7 +962,7 @@ public class Blocks{
             hasPower = hasLiquids = true;
             craftEffect = Fx.formsmoke;
             updateEffect = Fx.plasticburn;
-            drawer = new DrawGlow();
+            drawer = new DrawMulti(new DrawBlock(), new DrawFade());
 
             consumeLiquid(Liquids.oil, 0.25f);
             consumePower(3f);
@@ -975,7 +976,8 @@ public class Blocks{
             craftTime = 120f;
             size = 2;
             hasPower = true;
-            drawer = new DrawWeave();
+            drawer = new DrawMulti(new DrawRegion("-bottom"), new DrawWeave(), new DrawBlock());
+            drawer.iconOverride = new String[]{"-bottom", "-weave", ""};
             envEnabled |= Env.space;
 
             ambientSound = Sounds.techloop;
@@ -994,7 +996,7 @@ public class Blocks{
             size = 3;
             hasPower = true;
             itemCapacity = 20;
-            drawer = new DrawSmelter();
+            drawer = new DrawMulti(new DrawBlock(), new DrawFlame());
 
             consumePower(4f);
             consumeItems(with(Items.copper, 3, Items.lead, 4, Items.titanium, 2, Items.silicon, 3));
@@ -1011,7 +1013,8 @@ public class Blocks{
             solid = true;
             outputsLiquid = true;
             envEnabled = Env.any;
-            drawer = new DrawMixer(true);
+            drawer = new DrawMulti(new DrawRegion("-bottom"), new DrawLiquidTile(Liquids.cryofluid), new DrawBlock());
+            drawer.iconOverride = new String[]{"-bottom", ""};
             liquidCapacity = 24f;
 
             consumePower(1f);
@@ -1050,9 +1053,7 @@ public class Blocks{
             outputLiquid = new LiquidStack(Liquids.slag, 12f / 60f);
             craftTime = 1f;
             hasLiquids = hasPower = true;
-            drawer = new DrawLiquid(){{
-                liquidDrawn = Liquids.slag;
-            }};
+            drawer = new DrawMulti(new DrawBlock(), new DrawLiquidRegion());
 
             consumePower(1f);
             consumeItem(Items.scrap, 1);
@@ -1101,7 +1102,14 @@ public class Blocks{
             hasLiquids = true;
             hasPower = true;
             craftEffect = Fx.none;
-            drawer = new DrawAnimation();
+            drawer = new DrawMulti(
+            new DrawBlock(),
+            new DrawFrames(),
+            new DrawLiquidRegion(),
+            new DrawRegion("-top")
+            );
+
+            drawer.iconOverride = new String[]{"", "-top"};
 
             consumeItem(Items.sporePod, 1);
             consumePower(0.7f);
@@ -1114,9 +1122,11 @@ public class Blocks{
             craftTime = 40f;
             updateEffect = Fx.pulverizeSmall;
             hasItems = hasPower = true;
-            drawer = new DrawRotator(){{
-                drawSpinSprite = true;
-            }};
+            drawer = new DrawMulti(new DrawBlock(), new DrawRegion("-rotator"){{
+                spinSprite = true;
+                rotateSpeed = 2f;
+            }}, new DrawRegion("-top"));
+            drawer.iconOverride = new String[]{"", "-rotator", "-top"};
             ambientSound = Sounds.grinding;
             ambientSoundVolume = 0.025f;
 
@@ -2476,7 +2486,12 @@ public class Blocks{
             attribute = Attribute.spores;
 
             legacyReadWarmup = true;
-            drawer = new DrawCultivator();
+            drawer = new DrawMulti(
+            new DrawBlock(),
+            new DrawCultivator(),
+            new DrawRegion("-top")
+            );
+            drawer.iconOverride = new String[]{"", "-top"};
             maxBoost = 2f;
 
             consumePower(80f / 60f);
diff --git a/core/src/mindustry/content/Bullets.java b/core/src/mindustry/content/Bullets.java
index 2f9b1deb31..98ec779ea1 100644
--- a/core/src/mindustry/content/Bullets.java
+++ b/core/src/mindustry/content/Bullets.java
@@ -5,6 +5,10 @@ import mindustry.entities.bullet.*;
 import mindustry.entities.effect.*;
 import mindustry.graphics.*;
 
+/**
+ * Class for holding special internal bullets.
+ * Formerly used to define preset bullets for turrets; as of v7, these have been inlined at the source.
+ * */
 public class Bullets{
     public static BulletType
 
@@ -12,6 +16,7 @@ public class Bullets{
 
     public static void load(){
 
+        //not allowed in weapons - used only to prevent NullPointerExceptions
         placeholder = new BasicBulletType(2.5f, 9, "ohno"){{
             width = 7f;
             height = 9f;
diff --git a/core/src/mindustry/mod/ClassMap.java b/core/src/mindustry/mod/ClassMap.java
index 3a32c32a7c..a64dd84ba6 100644
--- a/core/src/mindustry/mod/ClassMap.java
+++ b/core/src/mindustry/mod/ClassMap.java
@@ -1,6 +1,8 @@
 package mindustry.mod;
 
 import arc.struct.*;
+import mindustry.world.draw.*;
+
 /** Generated class. Maps simple class names to concrete classes. For use in JSON mods. */
 @SuppressWarnings("deprecation")
 public class ClassMap{
@@ -394,8 +396,8 @@ public class ClassMap{
         classes.put("UnitFactory", mindustry.world.blocks.units.UnitFactory.class);
         classes.put("UnitFactoryBuild", mindustry.world.blocks.units.UnitFactory.UnitFactoryBuild.class);
         classes.put("UnitPlan", mindustry.world.blocks.units.UnitFactory.UnitPlan.class);
-        classes.put("DrawAnimation", mindustry.world.draw.DrawAnimation.class);
-        classes.put("DrawArcSmelter", mindustry.world.draw.DrawArcSmelter.class);
+        classes.put("DrawAnimation", DrawFrames.class);
+        classes.put("DrawArcSmelter", DrawArcSmelt.class);
         classes.put("DrawBlock", mindustry.world.draw.DrawBlock.class);
         classes.put("DrawBlurSpin", mindustry.world.draw.DrawBlurSpin.class);
         classes.put("DrawBubbles", mindustry.world.draw.DrawBubbles.class);
@@ -403,16 +405,14 @@ public class ClassMap{
         classes.put("DrawCircles", mindustry.world.draw.DrawCircles.class);
         classes.put("DrawCrucibleFlame", mindustry.world.draw.DrawCrucibleFlame.class);
         classes.put("DrawCultivator", mindustry.world.draw.DrawCultivator.class);
-        classes.put("DrawGlow", mindustry.world.draw.DrawGlow.class);
+        classes.put("DrawGlow", DrawFade.class);
         classes.put("DrawGlowRegion", mindustry.world.draw.DrawGlowRegion.class);
         classes.put("DrawHeatInput", mindustry.world.draw.DrawHeatInput.class);
         classes.put("DrawHeatOutput", mindustry.world.draw.DrawHeatOutput.class);
         classes.put("DrawHeatRegion", mindustry.world.draw.DrawHeatRegion.class);
-        classes.put("DrawLiquid", mindustry.world.draw.DrawLiquid.class);
         classes.put("DrawLiquidOutputs", mindustry.world.draw.DrawLiquidOutputs.class);
         classes.put("DrawLiquidRegion", mindustry.world.draw.DrawLiquidRegion.class);
         classes.put("DrawLiquidTile", mindustry.world.draw.DrawLiquidTile.class);
-        classes.put("DrawMixer", mindustry.world.draw.DrawMixer.class);
         classes.put("DrawMulti", mindustry.world.draw.DrawMulti.class);
         classes.put("DrawMultiWeave", mindustry.world.draw.DrawMultiWeave.class);
         classes.put("DrawPartial", mindustry.world.draw.DrawPartial.class);
@@ -421,10 +421,9 @@ public class ClassMap{
         classes.put("DrawPulseShape", mindustry.world.draw.DrawPulseShape.class);
         classes.put("DrawPump", mindustry.world.draw.DrawPump.class);
         classes.put("DrawRegion", mindustry.world.draw.DrawRegion.class);
-        classes.put("DrawRotator", mindustry.world.draw.DrawRotator.class);
         classes.put("DrawShape", mindustry.world.draw.DrawShape.class);
         classes.put("DrawSideRegion", mindustry.world.draw.DrawSideRegion.class);
-        classes.put("DrawSmelter", mindustry.world.draw.DrawSmelter.class);
+        classes.put("DrawSmelter", DrawFlame.class);
         classes.put("DrawSpikes", mindustry.world.draw.DrawSpikes.class);
         classes.put("DrawTurbines", mindustry.world.draw.DrawTurbines.class);
         classes.put("DrawTurret", mindustry.world.draw.DrawTurret.class);
diff --git a/core/src/mindustry/mod/ContentParser.java b/core/src/mindustry/mod/ContentParser.java
index 183b006643..46dd24517e 100644
--- a/core/src/mindustry/mod/ContentParser.java
+++ b/core/src/mindustry/mod/ContentParser.java
@@ -131,6 +131,10 @@ public class ContentParser{
                 //try to instantiate
                 return make(resolve(data.asString()));
             }
+            //array is shorthand for DrawMulti
+            if(data.isArray()){
+                return new DrawMulti(parser.readValue(DrawBlock[].class, data));
+            }
             var bc = resolve(data.getString("type", ""), DrawBlock.class);
             data.remove("type");
             var result = make(bc);
diff --git a/core/src/mindustry/type/UnitType.java b/core/src/mindustry/type/UnitType.java
index 0c2af1210e..05d499f919 100644
--- a/core/src/mindustry/type/UnitType.java
+++ b/core/src/mindustry/type/UnitType.java
@@ -423,13 +423,12 @@ public class UnitType extends UnlockableContent{
             }
         }
 
-        /*
         for(int i = 0; i < weapons.size; i++){
             var wep = weapons.get(i);
             if(wep.bullet == Bullets.placeholder || wep.bullet == null){
                 throw new RuntimeException("Unit: " + name + ": weapon #" + i + " ('" + wep.name + "') does not have a bullet defined. Make sure you have a bullet: (JSON) or `bullet = ` field in your unit definition.");
             }
-        }*/
+        }
 
         if(pathCost == null){
             pathCost =
diff --git a/core/src/mindustry/type/weapons/BuildWeapon.java b/core/src/mindustry/type/weapons/BuildWeapon.java
index 0a99677e76..db5f7d42f1 100644
--- a/core/src/mindustry/type/weapons/BuildWeapon.java
+++ b/core/src/mindustry/type/weapons/BuildWeapon.java
@@ -1,6 +1,7 @@
 package mindustry.type.weapons;
 
 import arc.math.*;
+import mindustry.entities.bullet.*;
 import mindustry.entities.units.*;
 import mindustry.gen.*;
 import mindustry.type.*;
@@ -18,6 +19,7 @@ public class BuildWeapon extends Weapon{
 
     {
         rotate = true;
+        bullet = new BulletType();
     }
 
     @Override
diff --git a/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java b/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java
index 17381e7814..20452e7485 100644
--- a/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java
+++ b/core/src/mindustry/world/blocks/defense/turrets/ItemTurret.java
@@ -39,11 +39,10 @@ public class ItemTurret extends Turret{
     /** Makes copies of all bullets and limits their range. */
     public void limitRange(float margin){
         for(var entry : ammoTypes.copy().entries()){
-            var copy = entry.value.copy();
-            float realRange = copy.rangeChange + range;
+            var bullet = entry.value;
+            float realRange = bullet.rangeChange + range;
             //doesn't handle drag
-            copy.lifetime = (realRange + margin) / copy.speed;
-            ammoTypes.put(entry.key, copy);
+            bullet.lifetime = (realRange + margin) / bullet.speed;
         }
     }
 
diff --git a/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java b/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java
index c858ccf515..9a085bde18 100644
--- a/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java
+++ b/core/src/mindustry/world/blocks/defense/turrets/PayloadTurret.java
@@ -42,9 +42,7 @@ public class PayloadTurret extends Turret{
     /** Makes copies of all bullets and limits their range. */
     public void limitRange(float margin){
         for(var entry : ammoTypes.copy().entries()){
-            var copy = entry.value.copy();
-            copy.lifetime = (range + margin) / copy.speed;
-            ammoTypes.put(entry.key, copy);
+            entry.value.lifetime = (range + margin) / entry.value.speed;
         }
     }
 
diff --git a/core/src/mindustry/world/draw/DrawAnimation.java b/core/src/mindustry/world/draw/DrawAnimation.java
deleted file mode 100644
index d4fb67b0c7..0000000000
--- a/core/src/mindustry/world/draw/DrawAnimation.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package mindustry.world.draw;
-
-import arc.*;
-import arc.graphics.g2d.*;
-import arc.math.*;
-import mindustry.gen.*;
-import mindustry.graphics.*;
-import mindustry.world.*;
-
-public class DrawAnimation extends DrawBlock{
-    public int frameCount = 3;
-    public float frameSpeed = 5f;
-    public boolean sine = true;
-    public TextureRegion[] frames;
-    public TextureRegion liquid, top;
-
-    @Override
-    public void draw(Building build){
-        Draw.rect(build.block.region, build.x, build.y);
-        Draw.rect(
-            sine ?
-                frames[(int)Mathf.absin(build.totalProgress(), frameSpeed, frameCount - 0.001f)] :
-                frames[(int)((build.totalProgress() / frameSpeed) % frameCount)],
-            build.x, build.y);
-
-        if(build.liquids != null){
-            Drawf.liquid(liquid, build.x, build.y, build.liquids.currentAmount() / build.block.liquidCapacity, build.liquids.current().color);
-        }
-        if(top.found()){
-            Draw.rect(top, build.x, build.y);
-        }
-    }
-
-    @Override
-    public void load(Block block){
-        frames = new TextureRegion[frameCount];
-        for(int i = 0; i < frameCount; i++){
-            frames[i] = Core.atlas.find(block.name + "-frame" + i);
-        }
-
-        liquid = Core.atlas.find(block.name + "-liquid");
-        top = Core.atlas.find(block.name + "-top");
-    }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return top.found() ? new TextureRegion[]{block.region, top} : new TextureRegion[]{block.region};
-    }
-}
diff --git a/core/src/mindustry/world/draw/DrawArcSmelter.java b/core/src/mindustry/world/draw/DrawArcSmelt.java
similarity index 75%
rename from core/src/mindustry/world/draw/DrawArcSmelter.java
rename to core/src/mindustry/world/draw/DrawArcSmelt.java
index 4d5fddf1ed..b2ab7e93fd 100644
--- a/core/src/mindustry/world/draw/DrawArcSmelter.java
+++ b/core/src/mindustry/world/draw/DrawArcSmelt.java
@@ -1,16 +1,12 @@
 package mindustry.world.draw;
 
-import arc.*;
 import arc.graphics.*;
 import arc.graphics.g2d.*;
 import arc.math.*;
 import arc.util.*;
 import mindustry.gen.*;
-import mindustry.world.*;
 
-//TODO make non-standalone?
-public class DrawArcSmelter extends DrawBlock{
-    public TextureRegion bottom;
+public class DrawArcSmelt extends DrawPartial{
     public Color flameColor = Color.valueOf("f58349"), midColor = Color.valueOf("f2d585");
     public float flameRad = 1f, circleSpace = 2f, flameRadiusScl = 3f, flameRadiusMag = 0.3f, circleStroke = 1.5f;
 
@@ -18,13 +14,10 @@ public class DrawArcSmelter extends DrawBlock{
     public int particles = 25;
     public float particleLife = 40f, particleRad = 7f, particleStroke = 1.1f, particleLen = 3f;
     public boolean drawCenter = true;
-    public boolean drawBottom = true, drawRegion = true;
     public Blending blending = Blending.additive;
 
     @Override
     public void draw(Building build){
-        if(drawBottom) Draw.rect(bottom, build.x, build.y);
-
         if(build.warmup() > 0f && flameColor.a > 0.001f){
             Lines.stroke(circleStroke * build.warmup());
 
@@ -52,17 +45,5 @@ public class DrawArcSmelter extends DrawBlock{
             Draw.blend();
             Draw.reset();
         }
-
-        if(drawRegion) Draw.rect(build.block.region, build.x, build.y);
-    }
-
-    @Override
-    public void load(Block block){
-        bottom = Core.atlas.find(block.name + "-bottom");
-    }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return new TextureRegion[]{bottom, block.region};
     }
 }
diff --git a/core/src/mindustry/world/draw/DrawCells.java b/core/src/mindustry/world/draw/DrawCells.java
index e3f182711f..9b08604c72 100644
--- a/core/src/mindustry/world/draw/DrawCells.java
+++ b/core/src/mindustry/world/draw/DrawCells.java
@@ -10,16 +10,13 @@ import mindustry.graphics.*;
 import mindustry.world.*;
 
 public class DrawCells extends DrawBlock{
-    public TextureRegion bottom, middle;
+    public TextureRegion middle;
     public Color color = Color.white.cpy(), particleColorFrom = Color.black.cpy(), particleColorTo = Color.black.cpy();
     public int particles = 12;
     public float range = 4f, recurrence = 6f, radius = 3f, lifetime = 60f;
 
     @Override
     public void draw(Building build){
-
-        Draw.rect(bottom, build.x, build.y);
-
         Drawf.liquid(middle, build.x, build.y, build.warmup(), color);
 
         if(build.warmup() > 0.001f){
@@ -46,12 +43,6 @@ public class DrawCells extends DrawBlock{
 
     @Override
     public void load(Block block){
-        bottom = Core.atlas.find(block.name + "-bottom");
         middle = Core.atlas.find(block.name + "-middle");
     }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return new TextureRegion[]{bottom, block.region};
-    }
 }
diff --git a/core/src/mindustry/world/draw/DrawCultivator.java b/core/src/mindustry/world/draw/DrawCultivator.java
index b357120929..e52c2b3d27 100644
--- a/core/src/mindustry/world/draw/DrawCultivator.java
+++ b/core/src/mindustry/world/draw/DrawCultivator.java
@@ -8,7 +8,7 @@ import mindustry.gen.*;
 import mindustry.graphics.*;
 import mindustry.world.*;
 
-public class DrawCultivator extends DrawBlock{
+public class DrawCultivator extends DrawPartial{
     public Color plantColor = Color.valueOf("5541b1");
     public Color plantColorLight = Color.valueOf("7457ce");
     public Color bottomColor = Color.valueOf("474747");
@@ -18,12 +18,9 @@ public class DrawCultivator extends DrawBlock{
     public float recurrence = 6f, radius = 3f;
 
     public TextureRegion middle;
-    public TextureRegion top;
 
     @Override
     public void draw(Building build){
-        Draw.rect(build.block.region, build.x, build.y);
-
         Drawf.liquid(middle, build.x, build.y, build.warmup(), plantColor);
 
         Draw.color(bottomColor, plantColorLight, build.warmup());
@@ -40,17 +37,10 @@ public class DrawCultivator extends DrawBlock{
         }
 
         Draw.color();
-        Draw.rect(top, build.x, build.y);
     }
 
     @Override
     public void load(Block block){
         middle = Core.atlas.find(block.name + "-middle");
-        top = Core.atlas.find(block.name + "-top");
-    }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return new TextureRegion[]{block.region, top};
     }
 }
diff --git a/core/src/mindustry/world/draw/DrawFade.java b/core/src/mindustry/world/draw/DrawFade.java
new file mode 100644
index 0000000000..1b9798babf
--- /dev/null
+++ b/core/src/mindustry/world/draw/DrawFade.java
@@ -0,0 +1,25 @@
+package mindustry.world.draw;
+
+import arc.*;
+import arc.graphics.g2d.*;
+import arc.math.*;
+import mindustry.gen.*;
+import mindustry.world.*;
+
+public class DrawFade extends DrawBlock{
+    public String suffix = "-top";
+    public float alpha = 0.6f, scale = 3f;
+    public TextureRegion region;
+
+    @Override
+    public void draw(Building build){
+        Draw.alpha(Mathf.absin(build.totalProgress(), scale, alpha) * build.warmup());
+        Draw.rect(region, build.x, build.y);
+        Draw.reset();
+    }
+
+    @Override
+    public void load(Block block){
+        region = Core.atlas.find(block.name + suffix);
+    }
+}
diff --git a/core/src/mindustry/world/draw/DrawSmelter.java b/core/src/mindustry/world/draw/DrawFlame.java
similarity index 89%
rename from core/src/mindustry/world/draw/DrawSmelter.java
rename to core/src/mindustry/world/draw/DrawFlame.java
index e71d966c9f..05c408b30a 100644
--- a/core/src/mindustry/world/draw/DrawSmelter.java
+++ b/core/src/mindustry/world/draw/DrawFlame.java
@@ -9,16 +9,17 @@ import mindustry.gen.*;
 import mindustry.graphics.*;
 import mindustry.world.*;
 
-public class DrawSmelter extends DrawBlock{
+//TODO remake/remove
+public class DrawFlame extends DrawPartial{
     public Color flameColor = Color.valueOf("ffc999");
     public TextureRegion top;
     public float lightRadius = 60f, lightAlpha = 0.65f, lightSinScl = 10f, lightSinMag = 5;
     public float flameRadius = 3f, flameRadiusIn = 1.9f, flameRadiusScl = 5f, flameRadiusMag = 2f, flameRadiusInMag = 1f;
 
-    public DrawSmelter(){
+    public DrawFlame(){
     }
 
-    public DrawSmelter(Color flameColor){
+    public DrawFlame(Color flameColor){
         this.flameColor = flameColor;
     }
 
@@ -30,8 +31,6 @@ public class DrawSmelter extends DrawBlock{
 
     @Override
     public void draw(Building build){
-        Draw.rect(build.block.region, build.x, build.y, build.block.rotate ? build.rotdeg() : 0);
-
         if(build.warmup() > 0f && flameColor.a > 0.001f){
             float g = 0.3f;
             float r = 0.06f;
diff --git a/core/src/mindustry/world/draw/DrawFrames.java b/core/src/mindustry/world/draw/DrawFrames.java
new file mode 100644
index 0000000000..f760488beb
--- /dev/null
+++ b/core/src/mindustry/world/draw/DrawFrames.java
@@ -0,0 +1,34 @@
+package mindustry.world.draw;
+
+import arc.*;
+import arc.graphics.g2d.*;
+import arc.math.*;
+import mindustry.gen.*;
+import mindustry.world.*;
+
+public class DrawFrames extends DrawPartial{
+    /** Number of frames to draw. */
+    public int frames = 3;
+    /** Ticks between frames. */
+    public float interval = 5f;
+    /** If true, frames wil alternate back and forth in a sine wave. */
+    public boolean sine = true;
+    public TextureRegion[] regions;
+
+    @Override
+    public void draw(Building build){
+        Draw.rect(
+            sine ?
+                regions[(int)Mathf.absin(build.totalProgress(), interval, frames - 0.001f)] :
+                regions[(int)((build.totalProgress() / interval) % frames)],
+            build.x, build.y);
+    }
+
+    @Override
+    public void load(Block block){
+        regions = new TextureRegion[frames];
+        for(int i = 0; i < frames; i++){
+            regions[i] = Core.atlas.find(block.name + "-frame" + i);
+        }
+    }
+}
diff --git a/core/src/mindustry/world/draw/DrawGlow.java b/core/src/mindustry/world/draw/DrawGlow.java
deleted file mode 100644
index 1b91a4f6c7..0000000000
--- a/core/src/mindustry/world/draw/DrawGlow.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package mindustry.world.draw;
-
-import arc.*;
-import arc.graphics.g2d.*;
-import arc.math.*;
-import mindustry.gen.*;
-import mindustry.world.*;
-
-public class DrawGlow extends DrawBlock{
-    public String suffix = "-top";
-    public float glowAmount = 0.9f, glowScale = 3f;
-    public TextureRegion top;
-
-    @Override
-    public void draw(Building build){
-        Draw.rect(build.block.region, build.x, build.y);
-        Draw.alpha(Mathf.absin(build.totalProgress(), glowScale, glowAmount) * build.warmup());
-        Draw.rect(top, build.x, build.y);
-        Draw.reset();
-    }
-
-    @Override
-    public void load(Block block){
-        top = Core.atlas.find(block.name + suffix);
-    }
-}
diff --git a/core/src/mindustry/world/draw/DrawLiquid.java b/core/src/mindustry/world/draw/DrawLiquid.java
deleted file mode 100644
index b27dc93a26..0000000000
--- a/core/src/mindustry/world/draw/DrawLiquid.java
+++ /dev/null
@@ -1,59 +0,0 @@
-package mindustry.world.draw;
-
-import arc.*;
-import arc.graphics.g2d.*;
-import arc.util.*;
-import mindustry.gen.*;
-import mindustry.graphics.*;
-import mindustry.type.*;
-import mindustry.world.*;
-import mindustry.world.blocks.production.*;
-
-public class DrawLiquid extends DrawBlock{
-    public @Nullable Liquid liquidDrawn;
-    public TextureRegion inLiquid, liquid, top;
-    public boolean useOutputSprite = false;
-
-    public DrawLiquid(){
-    }
-
-    public DrawLiquid(boolean useOutputSprite){
-        this.useOutputSprite = useOutputSprite;
-    }
-
-    @Override
-    public void draw(Building build){
-        Draw.rect(build.block.region, build.x, build.y);
-        GenericCrafter type = (GenericCrafter)build.block;
-
-        if((inLiquid.found() || useOutputSprite) && liquidDrawn != null){
-            Drawf.liquid(useOutputSprite ? liquid : inLiquid, build.x, build.y,
-                build.liquids.get(liquidDrawn) / type.liquidCapacity,
-                liquidDrawn.color
-            );
-        }
-
-        if(type.outputLiquid != null && build.liquids.get(type.outputLiquid.liquid) > 0){
-            Drawf.liquid(liquid, build.x, build.y,
-                build.liquids.get(type.outputLiquid.liquid) / type.liquidCapacity,
-                type.outputLiquid.liquid.color
-            );
-        }
-
-        if(top.found()) Draw.rect(top, build.x, build.y);
-    }
-
-    @Override
-    public void load(Block block){
-        expectCrafter(block);
-
-        top = Core.atlas.find(block.name + "-top");
-        liquid = Core.atlas.find(block.name + "-liquid");
-        inLiquid = Core.atlas.find(block.name + "-input-liquid");
-    }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return top.found() ? new TextureRegion[]{block.region, top} : new TextureRegion[]{block.region};
-    }
-}
diff --git a/core/src/mindustry/world/draw/DrawLiquidRegion.java b/core/src/mindustry/world/draw/DrawLiquidRegion.java
index 94c7e4a1ee..9a5ea09b5a 100644
--- a/core/src/mindustry/world/draw/DrawLiquidRegion.java
+++ b/core/src/mindustry/world/draw/DrawLiquidRegion.java
@@ -24,17 +24,18 @@ public class DrawLiquidRegion extends DrawPartial{
 
     @Override
     public void draw(Building build){
-        if(!build.block.hasLiquids) return;
-
         Liquid drawn = drawLiquid != null ? drawLiquid : build.liquids.current();
         Drawf.liquid(liquid, build.x, build.y,
-            build.liquids.get(drawn) / build.block.liquidCapacity,
-            Tmp.c1.set(drawn.color).a(drawn.color.a * alpha)
+            build.liquids.get(drawn) / build.block.liquidCapacity * alpha,
+            drawn.color
         );
     }
 
-    @Override
     public void load(Block block){
+        if(!block.hasLiquids){
+            throw new RuntimeException("Block '" + block + "' has a DrawLiquidRegion, but hasLiquids is false! Make sure it is true.");
+        }
+
         liquid = Core.atlas.find(block.name + suffix);
     }
 }
diff --git a/core/src/mindustry/world/draw/DrawMixer.java b/core/src/mindustry/world/draw/DrawMixer.java
deleted file mode 100644
index e1d1b38c59..0000000000
--- a/core/src/mindustry/world/draw/DrawMixer.java
+++ /dev/null
@@ -1,60 +0,0 @@
-package mindustry.world.draw;
-
-import arc.*;
-import arc.graphics.g2d.*;
-import arc.util.*;
-import mindustry.gen.*;
-import mindustry.graphics.*;
-import mindustry.type.*;
-import mindustry.world.*;
-import mindustry.world.blocks.production.*;
-
-public class DrawMixer extends DrawBlock{
-    public @Nullable Liquid liquidDrawn;
-    public TextureRegion inLiquid, liquid, top, bottom;
-    public boolean useOutputSprite;
-
-    public DrawMixer(){
-    }
-
-    public DrawMixer(boolean useOutputSprite){
-        this.useOutputSprite = useOutputSprite;
-    }
-
-    @Override
-    public void draw(Building build){
-        GenericCrafter crafter = (GenericCrafter)build.block;
-        float rotation = build.block.rotate ? build.rotdeg() : 0;
-        Draw.rect(bottom, build.x, build.y, rotation);
-
-        if((inLiquid.found() || useOutputSprite) && liquidDrawn != null){
-            Drawf.liquid(useOutputSprite ? liquid : inLiquid, build.x, build.y,
-                build.liquids.get(liquidDrawn) / build.block.liquidCapacity,
-                liquidDrawn.color
-            );
-        }
-
-        if(crafter.outputLiquid != null && build.liquids.get(crafter.outputLiquid.liquid) > 0.001f){
-            var liq = crafter.outputLiquid.liquid;
-
-            Drawf.liquid(liquid, build.x, build.y, build.liquids.get(liq) / crafter.liquidCapacity, liq.color);
-        }
-
-        Draw.rect(top, build.x, build.y, rotation);
-    }
-
-    @Override
-    public void load(Block block){
-        expectCrafter(block);
-
-        inLiquid = Core.atlas.find(block.name + "-input-liquid");
-        liquid = Core.atlas.find(block.name + "-liquid");
-        top = Core.atlas.find(block.name + "-top");
-        bottom = Core.atlas.find(block.name + "-bottom");
-    }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return new TextureRegion[]{bottom, top};
-    }
-}
diff --git a/core/src/mindustry/world/draw/DrawRotator.java b/core/src/mindustry/world/draw/DrawRotator.java
deleted file mode 100644
index 54aed56bd4..0000000000
--- a/core/src/mindustry/world/draw/DrawRotator.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package mindustry.world.draw;
-
-import arc.*;
-import arc.graphics.g2d.*;
-import mindustry.gen.*;
-import mindustry.graphics.*;
-import mindustry.world.*;
-
-public class DrawRotator extends DrawBlock{
-    public TextureRegion rotator, top;
-    public boolean drawSpinSprite = false;
-    public float spinSpeed = 2f;
-
-    public DrawRotator(boolean drawSpinSprite, float spinSpeed){
-        this.drawSpinSprite = drawSpinSprite;
-        this.spinSpeed = spinSpeed;
-    }
-
-    public DrawRotator(){
-    }
-
-    @Override
-    public void draw(Building build){
-        Draw.rect(build.block.region, build.x, build.y);
-        if(drawSpinSprite){
-            Drawf.spinSprite(rotator, build.x, build.y, build.totalProgress() * spinSpeed);
-        }else{
-            Draw.rect(rotator, build.x, build.y, build.totalProgress() * spinSpeed);
-        }
-        if(top.found()) Draw.rect(top, build.x, build.y);
-    }
-
-    @Override
-    public void load(Block block){
-        rotator = Core.atlas.find(block.name + "-rotator");
-        top = Core.atlas.find(block.name + "-top");
-    }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return top.found() ? new TextureRegion[]{block.region, rotator, top} : new TextureRegion[]{block.region, rotator};
-    }
-}
diff --git a/core/src/mindustry/world/draw/DrawTurbines.java b/core/src/mindustry/world/draw/DrawTurbines.java
index 1224bc9a06..0214c044f3 100644
--- a/core/src/mindustry/world/draw/DrawTurbines.java
+++ b/core/src/mindustry/world/draw/DrawTurbines.java
@@ -7,16 +7,11 @@ import mindustry.entities.units.*;
 import mindustry.gen.*;
 import mindustry.world.*;
 
-public class DrawTurbines extends DrawBlock{
+public class DrawTurbines extends DrawPartial{
     public TextureRegion[] turbines = new TextureRegion[2];
     public TextureRegion cap;
     public float turbineSpeed = 2f;
 
-    @Override
-    public void drawPlan(Block block, BuildPlan plan, Eachable<BuildPlan> list){
-
-    }
-
     @Override
     public void draw(Building build){
         float totalTime = build.totalProgress();
diff --git a/core/src/mindustry/world/draw/DrawWeave.java b/core/src/mindustry/world/draw/DrawWeave.java
index a4a127c893..7b4ac96f27 100644
--- a/core/src/mindustry/world/draw/DrawWeave.java
+++ b/core/src/mindustry/world/draw/DrawWeave.java
@@ -8,12 +8,11 @@ import mindustry.gen.*;
 import mindustry.graphics.*;
 import mindustry.world.*;
 
-public class DrawWeave extends DrawBlock{
-    public TextureRegion weave, bottom;
+public class DrawWeave extends DrawPartial{
+    public TextureRegion weave;
 
     @Override
     public void draw(Building build){
-        Draw.rect(bottom, build.x, build.y);
         Draw.rect(weave, build.x, build.y, build.totalProgress());
 
         Draw.color(Pal.accent);
@@ -26,18 +25,10 @@ public class DrawWeave extends DrawBlock{
         build.block.size * Vars.tilesize / 2f);
 
         Draw.reset();
-
-        Draw.rect(build.block.region, build.x, build.y);
     }
 
     @Override
     public void load(Block block){
         weave = Core.atlas.find(block.name + "-weave");
-        bottom = Core.atlas.find(block.name + "-bottom");
-    }
-
-    @Override
-    public TextureRegion[] icons(Block block){
-        return new TextureRegion[]{bottom, weave, block.region};
     }
 }
diff --git a/tools/src/mindustry/tools/ImagePacker.java b/tools/src/mindustry/tools/ImagePacker.java
index 68a06a2f66..56139032a3 100644
--- a/tools/src/mindustry/tools/ImagePacker.java
+++ b/tools/src/mindustry/tools/ImagePacker.java
@@ -6,6 +6,7 @@ import arc.graphics.*;
 import arc.graphics.g2d.*;
 import arc.graphics.g2d.TextureAtlas.*;
 import arc.math.geom.*;
+import arc.mock.*;
 import arc.struct.*;
 import arc.util.*;
 import arc.util.Log.*;
@@ -27,9 +28,11 @@ public class ImagePacker{
         //makes PNG loading slightly faster
         ArcNativesLoader.load();
 
+        Core.settings = new MockSettings();
         Log.logger = new NoopLogHandler();
         Vars.content = new ContentLoader();
         Vars.content.createBaseContent();
+        Vars.content.init();
         Log.logger = new DefaultLogHandler();
 
         Fi.get("../../../assets-raw/sprites_out").walk(path -> {