WIP branch merging

core/assets/bundles/bundle.properties

@@ -1341,10 +1341,16 @@ block.disassembler.name = Disassembler
 block.silicon-crucible.name = Silicon Crucible
 block.overdrive-dome.name = Overdrive Dome
 block.interplanetary-accelerator.name = Interplanetary Accelerator
-#experimental, may be removed
+block.constructor.name = Constructor
-block.block-forge.name = Block Forge
+block.constructor.description = Fabricates structures up to 2x2 tiles in size.
-block.block-loader.name = Block Loader
+block.large-constructor.name = Large Constructor
-block.block-unloader.name = Block Unloader
+block.large-constructor.description = Fabricates structures up to 4x4 tiles in size.
+block.deconstructor.name = Deconstructor
+block.deconstructor.description = Deconstructs structures and units. Returns 100% of build cost.
+block.payload-loader.name = Payload Loader
+block.payload-loader.description = Load liquids and items into blocks.
+block.payload-unloader.name = Payload Unloader
+block.payload-unloader.description = Unloads liquids and items from blocks.
 
 block.switch.name = Switch
 block.micro-processor.name = Micro Processor

core/src/mindustry/content/Blocks.java

@@ -64,7 +64,7 @@ public class Blocks implements ContentList{
     duct, ductRouter, ductBridge,
 
     //liquid
-    mechanicalPump, rotaryPump, thermalPump, conduit, pulseConduit, platedConduit, liquidRouter, liquidTank, liquidJunction, bridgeConduit, phaseConduit,
+    mechanicalPump, rotaryPump, thermalPump, conduit, pulseConduit, platedConduit, liquidRouter, liquidContainer, liquidTank, liquidJunction, bridgeConduit, phaseConduit,
 
     //power
     combustionGenerator, thermalGenerator, steamGenerator, differentialGenerator, rtgGenerator, solarPanel, largeSolarPanel, thoriumReactor,
@@ -86,18 +86,19 @@ public class Blocks implements ContentList{
     repairPoint, repairTurret,
 
     //payloads
-    payloadConveyor, payloadRouter, payloadPropulsionTower,
+    payloadConveyor, payloadRouter, payloadPropulsionTower, deconstructor, constructor, largeConstructor, payloadLoader, payloadUnloader,
 
     //logic
     message, switchBlock, microProcessor, logicProcessor, hyperProcessor, largeLogicDisplay, logicDisplay, memoryCell, memoryBank,
 
     //campaign
-    launchPad, interplanetaryAccelerator,
+    launchPad, interplanetaryAccelerator
-
-    //misc experimental
-    blockForge, blockLoader, blockUnloader
     ;
 
+    /** @deprecated use the blocks with proper names, */
+    @Deprecated
+    public static Block blockForge, blockLoader, blockUnloader;
+
     @Override
     public void load(){
         //region environment
@@ -125,7 +126,7 @@ public class Blocks implements ContentList{
             isLiquid = true;
             status = StatusEffects.wet;
             statusDuration = 120f;
-            drownTime = 140f;
+            drownTime = 200f;
             cacheLayer = CacheLayer.water;
             albedo = 0.9f;
         }};
@@ -158,7 +159,7 @@ public class Blocks implements ContentList{
             variants = 0;
             status = StatusEffects.wet;
             statusDuration = 140f;
-            drownTime = 120f;
+            drownTime = 200f;
             liquidDrop = Liquids.water;
             isLiquid = true;
             cacheLayer = CacheLayer.water;
@@ -186,7 +187,7 @@ public class Blocks implements ContentList{
         }};
 
         tar = new Floor("tar"){{
-            drownTime = 150f;
+            drownTime = 230f;
             status = StatusEffects.tarred;
             statusDuration = 240f;
             speedMultiplier = 0.19f;
@@ -213,7 +214,7 @@ public class Blocks implements ContentList{
         }};
 
         slag = new Floor("molten-slag"){{
-            drownTime = 150f;
+            drownTime = 230f;
             status = StatusEffects.melting;
             statusDuration = 240f;
             speedMultiplier = 0.19f;
@@ -233,6 +234,12 @@ public class Blocks implements ContentList{
             placeableOn = false;
             solid = true;
             variants = 0;
+            canShadow = false;
+        }};
+
+        empty = new EmptyFloor("empty"){{
+            placeableOn = false;
+            solid = true;
         }};
 
         stone = new Floor("stone");
@@ -337,34 +344,36 @@ public class Blocks implements ContentList{
             attributes.set(Attribute.oil, 1.6f);
         }};
 
+        moss = new Floor("moss"){{
+            variants = 3;
+            attributes.set(Attribute.spores, 0.15f);
+        }};
+
+        sporeMoss = new Floor("spore-moss"){{
+            variants = 3;
+            attributes.set(Attribute.spores, 0.3f);
+        }};
+
         stoneWall = new StaticWall("stone-wall"){{
             variants = 2;
         }};
 
         sporeWall = new StaticWall("spore-wall"){{
-            variants = 2;
+            taintedWater.asFloor().wall = deepTaintedWater.asFloor().wall = sporeMoss.asFloor().wall = this;
-            taintedWater.asFloor().wall = deepTaintedWater.asFloor().wall = this;
         }};
 
-        dirtWall = new StaticWall("dirt-wall"){{
+        dirtWall = new StaticWall("dirt-wall");
-            variants = 2;
-        }};
 
-        daciteWall = new StaticWall("dacite-wall"){{
+        daciteWall = new StaticWall("dacite-wall");
-            variants = 2;
-        }};
 
         iceWall = new StaticWall("ice-wall"){{
-            variants = 2;
             iceSnow.asFloor().wall = this;
+            albedo = 0.6f;
         }};
 
-        snowWall = new StaticWall("snow-wall"){{
+        snowWall = new StaticWall("snow-wall");
-            variants = 2;
-        }};
 
         duneWall = new StaticWall("dune-wall"){{
-            variants = 2;
             basalt.asFloor().wall = darksandWater.asFloor().wall = darksandTaintedWater.asFloor().wall = this;
         }};
 
@@ -377,21 +386,15 @@ public class Blocks implements ContentList{
 
         shrubs = new StaticWall("shrubs");
 
-        shaleWall = new StaticWall("shale-wall"){{
+        shaleWall = new StaticWall("shale-wall");
-            variants = 2;
-        }};
 
         sporePine = new StaticTree("spore-pine"){{
-            variants = 0;
+            moss.asFloor().wall = this;
         }};
 
-        snowPine = new StaticTree("snow-pine"){{
+        snowPine = new StaticTree("snow-pine");
-            variants = 0;
-        }};
 
-        pine = new StaticTree("pine"){{
+        pine = new StaticTree("pine");
-            variants = 0;
-        }};
 
         whiteTreeDead = new TreeBlock("white-tree-dead");
 
@@ -404,7 +407,7 @@ public class Blocks implements ContentList{
 
         boulder = new Prop("boulder"){{
             variants = 2;
-            stone.asFloor().decoration = this;
+            stone.asFloor().decoration = craters.asFloor().decoration = charr.asFloor().decoration = this;
         }};
 
         snowBoulder = new Prop("snow-boulder"){{
@@ -414,18 +417,22 @@ public class Blocks implements ContentList{
 
         shaleBoulder = new Prop("shale-boulder"){{
             variants = 2;
+            shale.asFloor().decoration = this;
         }};
 
         sandBoulder = new Prop("sand-boulder"){{
             variants = 2;
+            sand.asFloor().decoration = this;
         }};
 
         daciteBoulder = new Prop("dacite-boulder"){{
             variants = 2;
+            dacite.asFloor().decoration = this;
         }};
 
         basaltBoulder = new Prop("basalt-boulder"){{
             variants = 2;
+            basalt.asFloor().decoration = hotrock.asFloor().decoration = darksand.asFloor().decoration = magmarock.asFloor().decoration = this;
         }};
 
         moss = new Floor("moss"){{
@@ -1130,10 +1137,16 @@ public class Blocks implements ContentList{
             liquidCapacity = 20f;
         }};
 
+        liquidContainer = new LiquidRouter("liquid-container"){{
+            requirements(Category.liquid, with(Items.titanium, 10, Items.metaglass, 15));
+            liquidCapacity = 700f;
+            size = 2;
+        }};
+
         liquidTank = new LiquidRouter("liquid-tank"){{
-            requirements(Category.liquid, with(Items.titanium, 25, Items.metaglass, 25));
+            requirements(Category.liquid, with(Items.titanium, 30, Items.metaglass, 40));
             size = 3;
-            liquidCapacity = 1500f;
+            liquidCapacity = 1800f;
             health = 500;
         }};
 
@@ -1899,6 +1912,7 @@ public class Blocks implements ContentList{
                 length = 200f;
                 hitEffect = Fx.hitMeltdown;
                 hitColor = Pal.meltdownHit;
+                status = StatusEffects.melting;
                 drawSize = 420f;
 
                 incendChance = 0.4f;
@@ -2082,6 +2096,49 @@ public class Blocks implements ContentList{
             consumes.power(6f);
         }};
 
+        deconstructor = new PayloadDeconstructor("deconstructor"){{
+            requirements(Category.units, with(Items.thorium, 250, Items.silicon, 200, Items.graphite, 250));
+            itemCapacity = 250;
+            consumes.power(3f);
+            size = 5;
+            deconstructSpeed = 2f;
+        }};
+
+        constructor = new Constructor("constructor"){{
+            requirements(Category.units, with(Items.thorium, 100));
+            hasPower = true;
+            consumes.power(2f);
+            size = 3;
+        }};
+
+        largeConstructor = new Constructor("large-constructor"){{
+            requirements(Category.units, with(Items.thorium, 100));
+            hasPower = true;
+            consumes.power(2f);
+            maxBlockSize = 4;
+            minBlockSize = 3;
+            size = 5;
+        }};
+
+        payloadLoader = new PayloadLoader("payload-loader"){{
+            requirements(Category.units, with(Items.thorium, 100));
+            hasPower = true;
+            consumes.power(2f);
+            size = 3;
+        }};
+
+        payloadUnloader = new PayloadUnloader("payload-unloader"){{
+            requirements(Category.units, with(Items.thorium, 100));
+            hasPower = true;
+            consumes.power(2f);
+            size = 3;
+        }};
+
+        //TODO deprecated
+        blockForge = constructor;
+        blockLoader = payloadLoader;
+        blockUnloader = payloadUnloader;
+
         //endregion
         //region sandbox
 
@@ -2244,30 +2301,6 @@ public class Blocks implements ContentList{
             size = 6;
         }};
 
-        //endregion
-        //region experimental
-
-        blockForge = new BlockForge("block-forge"){{
-            requirements(Category.units, BuildVisibility.debugOnly, with(Items.thorium, 100));
-            hasPower = true;
-            consumes.power(2f);
-            size = 3;
-        }};
-
-        blockLoader = new BlockLoader("block-loader"){{
-            requirements(Category.units, BuildVisibility.debugOnly, with(Items.thorium, 100));
-            hasPower = true;
-            consumes.power(2f);
-            size = 3;
-        }};
-
-        blockUnloader = new BlockUnloader("block-unloader"){{
-            requirements(Category.units, BuildVisibility.debugOnly, with(Items.thorium, 100));
-            hasPower = true;
-            consumes.power(2f);
-            size = 3;
-        }};
-
         //endregion
     }
 }

core/src/mindustry/world/blocks/payloads/BlockProducer.java

@@ -5,6 +5,7 @@ import arc.math.*;
 import arc.util.*;
 import arc.util.io.*;
 import mindustry.*;
+import mindustry.content.*;
 import mindustry.entities.units.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
@@ -34,7 +35,14 @@ public abstract class BlockProducer extends PayloadBlock{
 
     @Override
     public TextureRegion[] icons(){
-        return new TextureRegion[]{region, outRegion};
+        return new TextureRegion[]{region, outRegion, topRegion};
+    }
+
+    @Override
+    public void drawRequestRegion(BuildPlan req, Eachable<BuildPlan> list){
+        Draw.rect(region, req.drawx(), req.drawy());
+        Draw.rect(outRegion, req.drawx(), req.drawy(), req.rotation * 90);
+        Draw.rect(topRegion, req.drawx(), req.drawy());
     }
 
     @Override
@@ -43,12 +51,6 @@ public abstract class BlockProducer extends PayloadBlock{
 
         bars.add("progress", (BlockProducerBuild entity) -> new Bar("bar.progress", Pal.ammo, () -> entity.recipe() == null ? 0f : (entity.progress / entity.recipe().buildCost)));
     }
-
-    @Override
-    public void drawRequestRegion(BuildPlan req, Eachable<BuildPlan> list){
-        Draw.rect(region, req.drawx(), req.drawy());
-        Draw.rect(outRegion, req.drawx(), req.drawy(), req.rotation * 90);
-    }
     
     public abstract class BlockProducerBuild extends PayloadBlockBuild<BuildPayload>{
         public float progress, time, heat;
@@ -85,6 +87,7 @@ public abstract class BlockProducer extends PayloadBlock{
                 if(progress >= recipe.buildCost){
                     consume();
                     payload = new BuildPayload(recipe, team);
+                    Fx.placeBlock.at(x, y, payload.size() / tilesize);
                     payVector.setZero();
                     progress %= 1f;
                 }
@@ -109,6 +112,7 @@ public abstract class BlockProducer extends PayloadBlock{
 
                     for(TextureRegion region : recipe.getGeneratedIcons()){
                         Shaders.blockbuild.region = region;
+                        Shaders.blockbuild.time = time;
                         Shaders.blockbuild.progress = progress / recipe.buildCost;
 
                         Draw.rect(region, x, y, recipe.rotate ? rotdeg() : 0);
@@ -126,6 +130,9 @@ public abstract class BlockProducer extends PayloadBlock{
             }
 
             drawPayload();
+
+            Draw.z(Layer.blockBuilding + 1.1f);
+            Draw.rect(topRegion, x, y);
         }
 
         @Override

core/src/mindustry/world/blocks/payloads/BlockUnloader.java

@@ -1,67 +0,0 @@
-package mindustry.world.blocks.payloads;
-
-import mindustry.gen.*;
-import mindustry.type.*;
-
-import static mindustry.Vars.*;
-
-public class BlockUnloader extends BlockLoader{
-
-    public BlockUnloader(String name){
-        super(name);
-    }
-
-    @Override
-    public boolean outputsItems(){
-        return true;
-    }
-
-    @Override
-    public boolean rotatedOutput(int x, int y){
-        return false;
-    }
-
-    public class BlockUnloaderBuild extends BlockLoaderBuild{
-
-        @Override
-        public boolean acceptItem(Building source, Item item){
-            return false;
-        }
-
-        @Override
-        public void updateTile(){
-            if(shouldExport()){
-                moveOutPayload();
-            }else if(moveInPayload()){
-
-                //load up items
-                if(payload.block().hasItems && !full()){
-                    if(efficiency() > 0.01f && timer(timerLoad, loadTime / efficiency())){
-                        //load up items a set amount of times
-                        for(int j = 0; j < itemsLoaded && !full(); j++){
-                            for(int i = 0; i < items.length(); i++){
-                                if(payload.build.items.get(i) > 0){
-                                    Item item = content.item(i);
-                                    payload.build.items.remove(item, 1);
-                                    items.add(item, 1);
-                                    break;
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-
-            dump();
-        }
-
-        public boolean full(){
-            return items.total() >= itemCapacity;
-        }
-
-        @Override
-        public boolean shouldExport(){
-            return payload != null && (payload.block().hasItems && payload.build.items.empty());
-        }
-    }
-}

core/src/mindustry/world/blocks/payloads/BuildPayload.java

@@ -5,6 +5,7 @@ import arc.util.io.*;
 import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
+import mindustry.type.*;
 import mindustry.world.*;
 
 import static mindustry.Vars.*;
@@ -33,6 +34,16 @@ public class BuildPayload implements Payload{
         build.dropped();
     }
 
+    @Override
+    public ItemStack[] requirements(){
+        return build.block.requirements;
+    }
+
+    @Override
+    public float buildTime(){
+        return build.block.buildCost;
+    }
+
     @Override
     public float x(){
         return build.x;
@@ -61,9 +72,14 @@ public class BuildPayload implements Payload{
         build.set(x, y);
     }
 
+    @Override
+    public void drawShadow(float alpha){
+        Drawf.shadow(build.x, build.y, build.block.size * tilesize * 2f, alpha);
+    }
+
     @Override
     public void draw(){
-        Drawf.shadow(build.x, build.y, build.block.size * tilesize * 2f);
+        drawShadow(1f);
         Draw.rect(build.block.fullIcon, build.x, build.y);
     }
 

core/src/mindustry/world/blocks/payloads/Constructor.java

@@ -6,7 +6,6 @@ import arc.scene.ui.layout.*;
 import arc.util.*;
 import arc.util.io.*;
 import mindustry.*;
-import mindustry.ui.*;
 import mindustry.world.*;
 import mindustry.world.blocks.*;
 import mindustry.world.meta.*;
@@ -14,17 +13,17 @@ import mindustry.world.meta.*;
 import static mindustry.Vars.*;
 
 /** Configurable BlockProducer variant. */
-public class BlockForge extends BlockProducer{
+public class Constructor extends BlockProducer{
     public float buildSpeed = 0.4f;
     public int minBlockSize = 1, maxBlockSize = 2;
 
-    public BlockForge(String name){
+    public Constructor(String name){
         super(name);
 
         size = 3;
         configurable = true;
 
-        config(Block.class, (BlockForgeBuild tile, Block block) -> {
+        config(Block.class, (ConstructorBuild tile, Block block) -> {
             if(tile.recipe != block) tile.progress = 0f;
             if(canProduce(block)){
                 tile.recipe = block;
@@ -43,7 +42,7 @@ public class BlockForge extends BlockProducer{
         return b.isVisible() && b.size >= minBlockSize && b.size <= maxBlockSize;
     }
     
-    public class BlockForgeBuild extends BlockProducerBuild{
+    public class ConstructorBuild extends BlockProducerBuild{
         public @Nullable Block recipe;
 
         @Override
@@ -53,7 +52,7 @@ public class BlockForge extends BlockProducer{
 
         @Override
         public void buildConfiguration(Table table){
-            ItemSelection.buildTable(table, content.blocks().select(BlockForge.this::canProduce), () -> recipe, this::configure);
+            ItemSelection.buildTable(table, content.blocks().select(Constructor.this::canProduce), () -> recipe, this::configure);
         }
 
         @Override

core/src/mindustry/world/blocks/payloads/Payload.java

@@ -7,6 +7,7 @@ import arc.util.io.*;
 import mindustry.game.*;
 import mindustry.gen.*;
 import mindustry.ui.*;
+import mindustry.type.*;
 import mindustry.world.*;
 
 import static mindustry.Vars.*;
@@ -20,6 +21,8 @@ public interface Payload extends Position{
     /** draws this payload at a position. */
     void draw();
 
+    void drawShadow(float alpha);
+
     /** @return hitbox size of the payload. */
     float size();
 
@@ -27,6 +30,12 @@ public interface Payload extends Position{
 
     float y();
 
+    /** @return the items needed to make this payload; may be empty. */
+    ItemStack[] requirements();
+
+    /** @return the time taken to build this payload. */
+    float buildTime();
+
     /** @return whether this payload was dumped. */
     default boolean dump(){
         return false;

core/src/mindustry/world/blocks/payloads/PayloadBlock.java

@@ -9,6 +9,7 @@ import mindustry.annotations.Annotations.*;
 import mindustry.gen.*;
 import mindustry.graphics.*;
 import mindustry.world.*;
+import mindustry.world.meta.*;
 
 import static mindustry.Vars.*;
 
@@ -24,6 +25,7 @@ public class PayloadBlock extends Block{
 
         update = true;
         sync = true;
+        envEnabled |= Env.space;
     }
 
     public static boolean blends(Building build, int direction){
@@ -78,16 +80,16 @@ public class PayloadBlock extends Block{
         }
 
         @Override
-        public boolean canControlSelect(Unit player){
+        public boolean canControlSelect(Player player){
-            return !player.spawnedByCore && this.payload == null && acceptUnitPayload(player) && player.tileOn() != null && player.tileOn().build == this;
+            return !player.unit().spawnedByCore && this.payload == null && acceptUnitPayload(player.unit()) && player.tileOn() != null && player.tileOn().build == this;
         }
 
         @Override
-        public void onControlSelect(Unit player){
+        public void onControlSelect(Player player){
             float x = player.x, y = player.y;
-            handleUnitPayload(player, p -> payload = (T)p);
+            acceptPlayerPayload(player, p -> payload = (T)p);
             this.payVector.set(x, y).sub(this).clamp(-size * tilesize / 2f, -size * tilesize / 2f, size * tilesize / 2f, size * tilesize / 2f);
-            this.payRotation = player.rotation;
+            this.payRotation = player.unit().rotation;
         }
 
         @Override

core/src/mindustry/world/blocks/payloads/PayloadDeconstructor.java

@@ -0,0 +1,205 @@
+package mindustry.world.blocks.payloads;
+
+import arc.graphics.g2d.*;
+import arc.math.*;
+import arc.util.*;
+import arc.util.io.*;
+import mindustry.content.*;
+import mindustry.gen.*;
+import mindustry.graphics.*;
+import mindustry.ui.*;
+
+import static mindustry.Vars.*;
+
+public class PayloadDeconstructor extends PayloadBlock{
+    public float maxPayloadSize = 4;
+    public float deconstructSpeed = 2.5f;
+    public int dumpRate = 4;
+
+    public PayloadDeconstructor(String name){
+        super(name);
+
+        outputsPayload = false;
+        acceptsPayload = true;
+        update = true;
+        rotate = false;
+        solid = true;
+        size = 5;
+        payloadSpeed = 1f;
+        //make sure to display large units.
+        clipSize = 120;
+        hasItems = true;
+        hasPower = true;
+        itemCapacity = 100;
+    }
+
+    @Override
+    public TextureRegion[] icons(){
+        return new TextureRegion[]{region, topRegion};
+    }
+
+    @Override
+    public void setBars(){
+        super.setBars();
+
+        bars.add("progress", (PayloadDeconstructorBuild e) -> new Bar("bar.progress", Pal.ammo, () -> e.progress));
+    }
+
+    public class PayloadDeconstructorBuild extends PayloadBlockBuild<Payload>{
+        public @Nullable Payload deconstructing;
+        public @Nullable float[] accum;
+        public float progress;
+        public float time, speedScl;
+
+        @Override
+        public void draw(){
+            Draw.rect(region, x, y);
+
+            //draw input
+            for(int i = 0; i < 4; i++){
+                if(blends(i)){
+                    Draw.rect(inRegion, x, y, (i * 90) - 180);
+                }
+            }
+
+            Draw.z(Layer.blockOver);
+            drawPayload();
+            if(deconstructing != null){
+                deconstructing.set(x + payVector.x, y + payVector.y, payRotation);
+
+                Draw.z(Layer.blockOver);
+                deconstructing.drawShadow(1f - progress);
+
+                //TODO looks really bad
+                Draw.draw(Layer.blockOver, () -> {
+                    Drawf.construct(x, y, deconstructing.icon(), Pal.remove, deconstructing instanceof BuildPayload ? 0f : payRotation - 90f, 1f - progress, 1f - progress, time);
+                    Draw.color(Pal.remove);
+                    Draw.alpha(1f);
+
+                    Lines.lineAngleCenter(x + Mathf.sin(time, 20f, tilesize / 2f * block.size - 3f), y, 90f, block.size * tilesize - 6f);
+
+                    Draw.reset();
+                });
+            }
+
+            Draw.rect(topRegion, x, y);
+        }
+
+        @Override
+        public void handlePayload(Building source, Payload payload){
+            super.handlePayload(source, payload);
+            accum = null;
+        }
+
+        @Override
+        public boolean acceptPayload(Building source, Payload payload){
+            return deconstructing == null && super.acceptPayload(source, payload) && payload.requirements().length > 0 && payload.fits(maxPayloadSize);
+        }
+
+        @Override
+        public void updateTile(){
+            if(items.total() > 0){
+                for(int i = 0; i < dumpRate; i++){
+                    dumpAccumulate();
+                }
+            }
+
+            if(deconstructing == null){
+                progress = 0f;
+            }
+
+            payRotation = Angles.moveToward(payRotation, 90f, payloadRotateSpeed * edelta());
+
+            if(deconstructing != null){
+                var reqs = deconstructing.requirements();
+                if(accum == null || reqs.length != accum.length){
+                    accum = new float[reqs.length];
+                }
+
+                //check if there is enough space to get the items for deconstruction
+                boolean canProgress = items.total() <= itemCapacity;
+                if(canProgress){
+                    for(var ac : accum){
+                        if(ac >= 1f){
+                            canProgress = false;
+                            break;
+                        }
+                    }
+                }
+
+                //move progress forward if possible
+                if(canProgress){
+                    float shift = edelta() * deconstructSpeed / deconstructing.buildTime();
+                    float realShift = Math.min(shift, 1f - progress);
+
+                    progress += shift;
+                    time += edelta();
+
+                    for(int i = 0; i < reqs.length; i++){
+                        accum[i] += reqs[i].amount * realShift;
+                    }
+                }
+
+                speedScl = Mathf.lerpDelta(speedScl, canProgress ? 1f : 0f, 0.1f);
+
+                //transfer items from accumulation buffer into block inventory when they reach integers
+                for(int i = 0; i < reqs.length; i++){
+                    int taken = Math.min((int)accum[i], itemCapacity - items.total());
+                    if(taken > 0){
+                        items.add(reqs[i].item, taken);
+                        accum[i] -= taken;
+                    }
+                }
+
+                //finish deconstruction, prepare for next payload.
+                if(progress >= 1f){
+                    Fx.breakBlock.at(x, y, deconstructing.size() / tilesize);
+
+                    deconstructing = null;
+                    accum = null;
+                }
+            }else if(moveInPayload(false) && payload != null){
+                accum = new float[payload.requirements().length];
+                deconstructing = payload;
+                payload = null;
+                progress = 0f;
+            }
+        }
+
+        @Override
+        public boolean shouldConsume(){
+            return deconstructing != null && enabled;
+        }
+
+        @Override
+        public void write(Writes write){
+            super.write(write);
+
+            write.f(progress);
+            if(accum != null){
+                write.s(accum.length);
+                for(float v : accum){
+                    write.f(v);
+                }
+            }else{
+                write.s(0);
+            }
+            Payload.write(deconstructing, write);
+        }
+
+        @Override
+        public void read(Reads read, byte revision){
+            super.read(read, revision);
+
+            progress = read.f();
+            short accums = read.s();
+            if(accums > 0){
+                accum = new float[accums];
+                for(int i = 0; i < accums; i++){
+                    accum[i] = read.f();
+                }
+            }
+            deconstructing = Payload.read(read);
+        }
+    }
+}

core/src/mindustry/world/blocks/payloads/PayloadLoader.java

@@ -11,20 +11,21 @@ import mindustry.ui.*;
 
 import static mindustry.Vars.*;
 
-public class BlockLoader extends PayloadBlock{
+public class PayloadLoader extends PayloadBlock{
     public final int timerLoad = timers++;
 
     public float loadTime = 2f;
-    public int itemsLoaded = 5;
+    public int itemsLoaded = 8;
-    public float liquidsLoaded = 5f;
+    public float liquidsLoaded = 40f;
     public int maxBlockSize = 2;
 
-    public BlockLoader(String name){
+    public PayloadLoader(String name){
         super(name);
  
         hasItems = true;
-        itemCapacity = 25;
+        hasLiquids = true;
-        //liquidCapacity = 25;
+        itemCapacity = 100;
+        liquidCapacity = 100f;
         update = true;
         outputsPayload = true;
         size = 3;
@@ -45,7 +46,7 @@ public class BlockLoader extends PayloadBlock{
     public void setBars(){
         super.setBars();
 
-        bars.add("progress", (BlockLoaderBuild entity) -> new Bar(() -> Core.bundle.format("bar.items", entity.payload == null ? 0 : entity.payload.build.items.total()), () -> Pal.items, entity::fraction));
+        bars.add("progress", (PayloadLoaderBuild entity) -> new Bar(() -> Core.bundle.format("bar.items", entity.payload == null ? 0 : entity.payload.build.items.total()), () -> Pal.items, entity::fraction));
     }
 
     @Override
@@ -56,14 +57,14 @@ public class BlockLoader extends PayloadBlock{
         Draw.rect(topRegion, req.drawx(), req.drawy());
     }
 
-    public class BlockLoaderBuild extends PayloadBlockBuild<BuildPayload>{
+    public class PayloadLoaderBuild extends PayloadBlockBuild<BuildPayload>{
 
         @Override
         public boolean acceptPayload(Building source, Payload payload){
             return super.acceptPayload(source, payload) &&
-                (payload instanceof BuildPayload build) &&
+                payload instanceof BuildPayload build &&
-                ((build.build.block.hasItems && build.block().unloadable && build.block().itemCapacity >= 10 && build.block().size <= maxBlockSize)/* ||
+                ((build.build.block.hasItems && build.block().unloadable && build.block().itemCapacity >= 10 && build.block().size <= maxBlockSize) ||
-                ((BlockPayload)payload).entity.block().hasLiquids && ((BlockPayload)payload).block().liquidCapacity >= 10f)*/);
+                build.build.block().hasLiquids && build.block().liquidCapacity >= 10f);
         }
 
         @Override
@@ -71,6 +72,11 @@ public class BlockLoader extends PayloadBlock{
             return items.total() < itemCapacity;
         }
 
+        @Override
+        public boolean acceptLiquid(Building source, Liquid liquid){
+            return liquids.current() == liquid || liquids.currentAmount() < 0.2f;
+        }
+
         @Override
         public void draw(){
             Draw.rect(region, x, y);
@@ -120,17 +126,17 @@ public class BlockLoader extends PayloadBlock{
                     }
                 }
 
-                //load up liquids (disabled)
+                //load up liquids
-                /*
                 if(payload.block().hasLiquids && liquids.total() >= 0.001f){
                     Liquid liq = liquids.current();
                     float total = liquids.currentAmount();
-                    float flow = Math.min(Math.min(liquidsLoaded * delta(), payload.block().liquidCapacity - payload.entity.liquids.get(liq) - 0.0001f), total);
+                    float flow = Math.min(Math.min(liquidsLoaded * edelta(), payload.block().liquidCapacity - payload.build.liquids.get(liq)), total);
-                    if(payload.entity.acceptLiquid(payload.entity, liq, flow)){
+                    //TODO potential crash here
-                        payload.entity.liquids.add(liq, flow);
+                    if(payload.build.acceptLiquid(payload.build, liq)){
+                        payload.build.liquids.add(liq, flow);
                         liquids.remove(liq, flow);
                     }
-                }*/
+                }
             }
         }
 
@@ -139,8 +145,8 @@ public class BlockLoader extends PayloadBlock{
         }
 
         public boolean shouldExport(){
-            return payload != null &&
+            return payload != null && (
-                ((payload.block().hasLiquids && payload.build.liquids.total() >= payload.block().liquidCapacity - 0.001f) ||
+                (payload.block().hasLiquids && payload.build.liquids.total() >= payload.block().liquidCapacity - 0.001f) ||
                 (payload.block().hasItems && payload.build.items.total() >= payload.block().itemCapacity));
         }
     }

core/src/mindustry/world/blocks/payloads/PayloadUnloader.java

@@ -0,0 +1,97 @@
+package mindustry.world.blocks.payloads;
+
+import mindustry.gen.*;
+import mindustry.type.*;
+
+import static mindustry.Vars.*;
+
+public class PayloadUnloader extends PayloadLoader{
+    public int offloadSpeed = 4;
+
+    public PayloadUnloader(String name){
+        super(name);
+    }
+
+    @Override
+    public boolean outputsItems(){
+        return true;
+    }
+
+    @Override
+    public boolean rotatedOutput(int x, int y){
+        return false;
+    }
+
+    public class PayloadUnloaderBuild extends PayloadLoaderBuild{
+
+        @Override
+        public boolean acceptItem(Building source, Item item){
+            return false;
+        }
+
+        @Override
+        public boolean acceptLiquid(Building source, Liquid liquid){
+            return false;
+        }
+
+        @Override
+        public void updateTile(){
+            if(shouldExport()){
+                //one-use, disposable block
+                if(payload.block().instantDeconstruct){
+                    payload.block().breakEffect.at(this, payload.block().size);
+                    payload = null;
+                }else{
+                    moveOutPayload();
+                }
+            }else if(moveInPayload()){
+
+                //unload items
+                if(payload.block().hasItems && !full()){
+                    if(efficiency() > 0.01f && timer(timerLoad, loadTime / efficiency())){
+                        //load up items a set amount of times
+                        for(int j = 0; j < itemsLoaded && !full(); j++){
+                            for(int i = 0; i < items.length(); i++){
+                                if(payload.build.items.get(i) > 0){
+                                    Item item = content.item(i);
+                                    payload.build.items.remove(item, 1);
+                                    items.add(item, 1);
+                                    break;
+                                }
+                            }
+                        }
+                    }
+                }
+
+                //unload liquids
+                //TODO tile is null may crash
+                if(payload.block().hasLiquids && payload.build.liquids.currentAmount() >= 0.01f &&
+                    (liquids.current() == payload.build.liquids.current() || liquids.currentAmount() <= 0.2f)){
+                    var liq = payload.build.liquids.current();
+                    float remaining = liquidCapacity - liquids.currentAmount();
+                    float flow = Math.min(Math.min(liquidsLoaded * delta(), remaining), payload.build.liquids.currentAmount());
+
+                    liquids.add(liq, flow);
+                    payload.build.liquids.remove(liq, flow);
+                }
+            }
+
+            dumpLiquid(liquids.current());
+            for(int i = 0; i < offloadSpeed; i++){
+                dumpAccumulate();
+            }
+        }
+
+        public boolean full(){
+            return items.total() >= itemCapacity;
+        }
+
+        @Override
+        public boolean shouldExport(){
+            return payload != null && (
+                (!payload.block().hasItems || payload.build.items.empty()) &&
+                (!payload.block().hasLiquids || payload.build.liquids.currentAmount() <= 0.001f)
+            );
+        }
+    }
+}

core/src/mindustry/world/blocks/payloads/UnitPayload.java

@@ -13,6 +13,7 @@ import mindustry.entities.EntityCollisions.*;
 import mindustry.entities.*;
 import mindustry.game.EventType.*;
 import mindustry.gen.*;
+import mindustry.type.*;
 
 import static mindustry.Vars.*;
 
@@ -39,6 +40,16 @@ public class UnitPayload implements Payload{
         showOverlay(icon.getRegion());
     }
 
+    @Override
+    public ItemStack[] requirements(){
+        return unit.type.getTotalRequirements();
+    }
+
+    @Override
+    public float buildTime(){
+        return unit.type.getBuildTime();
+    }
+
     @Override
     public void write(Writes write){
         write.b(payloadUnit);
@@ -105,11 +116,20 @@ public class UnitPayload implements Payload{
         //prevents stacking
         unit.vel.add(Mathf.range(0.5f), Mathf.range(0.5f));
         unit.add();
+        unit.unloaded();
         Events.fire(new UnitUnloadEvent(unit));
 
         return true;
     }
 
+    @Override
+    public void drawShadow(float alpha){
+        //TODO should not happen
+        if(unit.type == null) return;
+
+        unit.type.drawSoftShadow(unit, alpha);
+    }
+
     @Override
     public void draw(){
         //TODO should not happen