Cart Assembler - States and Drops

src/generated/resources/.cache/cache

@@ -23,7 +23,7 @@ cf9045eb16e5299a1d917c4cb536289f49411276 assets\create\blockstates\birch_window.
 94a1a91403eb4b035fec48071e7fcae57a8a6abd assets\create\blockstates\birch_window_pane.json
 8b1dd00adcc7e74c5a9feed069e2610b15a338cb assets\create\blockstates\brass_block.json
 b8dd6e505943e06706d0718ece620ab3cf943650 assets\create\blockstates\brass_casing.json
-4a5e49de9e0d6b278f737af936a743e03a6c361a assets\create\blockstates\cart_assembler.json
+dd1e9a928702415722f99d165571c2d63d847987 assets\create\blockstates\cart_assembler.json
 7299cea212d879d6d5611bd139b24768b9af236f assets\create\blockstates\chiseled_dark_scoria.json
 0f01f813388d3e6907c1cfd992e4b21c914e267e assets\create\blockstates\chiseled_dolomite.json
 324488e0c228f38f2597b2f76849e962bc1a7d90 assets\create\blockstates\chiseled_gabbro.json
@@ -273,7 +273,7 @@ b7829c2ef2c47188713f8cab21b2c9bc7f9c5b79 assets\create\blockstates\portable_stor
 e8b0a401c10d1ba67ed71ba31bd5f9bc28571b65 assets\create\blockstates\powered_toggle_latch.json
 3a739f9d4276828d83f2d2750bf3227c87bcd438 assets\create\blockstates\pulley_magnet.json
 469e430d96cb0a5e1aaf6b7cc5d401d488c9e600 assets\create\blockstates\pulse_repeater.json
-8d7e653bfd9846e684a0d3725595714a19201017 assets\create\blockstates\radial_chassis.json
+5d1b30c2bab556f57c78e7780fd445b08f541a50 assets\create\blockstates\radial_chassis.json
 8929677f2cc5354aa19ef182af69f9f0b41eb242 assets\create\blockstates\redstone_contact.json
 c29213b77ac0c78d8979c5f6188d2b265696f9b9 assets\create\blockstates\redstone_link.json
 1eac804cba08aebb5f4646758ae1ef9b32e01365 assets\create\blockstates\reinforced_rail.json
@@ -326,7 +326,7 @@ c77b46d8b459e5c7cc495393546f3fcca8a1fa1d assets\create\blockstates\weathered_lim
 7f39521b211441f5c3e06d60c5978cebe16cacfb assets\create\blockstates\zinc_block.json
 b7181bcd8182b2f17088e5aa881f374c9c65470c assets\create\blockstates\zinc_ore.json
 6bf74a9e1f74b41f53399c1f817942b01a010bf0 assets\create\lang\en_ud.json
-7bb6dd61820e1b7a42310632c09c22daff870ac8 assets\create\lang\en_us.json
+587b2f5b13ba67674d5eec135e5f767e9255d20d assets\create\lang\en_us.json
 846200eb548d3bfa2e77b41039de159b4b6cfb45 assets\create\models\block\acacia_window.json
 1930fa3a3c98d53dd19e4ee7f55bc27fd47aa281 assets\create\models\block\acacia_window_pane_noside.json
 1763ea2c9b981d187f5031ba608f3d5d3be3986a assets\create\models\block\acacia_window_pane_noside_alt.json

src/generated/resources/assets/create/blockstates/cart_assembler.json

@@ -1,17 +1,73 @@
 {
   "variants": {
-    "powered=false,shape=north_south": {
+    "powered=false,rail_type=0,shape=north_south": {
-      "model": "create:block/cart_assembler/block"
+      "model": "create:block/cart_assembler/block_none"
     },
-    "powered=true,shape=north_south": {
+    "powered=true,rail_type=0,shape=north_south": {
-      "model": "create:block/cart_assembler/block_powered"
+      "model": "create:block/cart_assembler/block_powered_none"
     },
-    "powered=false,shape=east_west": {
+    "powered=false,rail_type=1,shape=north_south": {
-      "model": "create:block/cart_assembler/block",
+      "model": "create:block/cart_assembler/block_rail_normal"
+    },
+    "powered=true,rail_type=1,shape=north_south": {
+      "model": "create:block/cart_assembler/block_powered_rail_normal"
+    },
+    "powered=false,rail_type=2,shape=north_south": {
+      "model": "create:block/cart_assembler/block_rail_powered"
+    },
+    "powered=true,rail_type=2,shape=north_south": {
+      "model": "create:block/cart_assembler/block_powered_rail_powered"
+    },
+    "powered=false,rail_type=3,shape=north_south": {
+      "model": "create:block/cart_assembler/block_rail_detector"
+    },
+    "powered=true,rail_type=3,shape=north_south": {
+      "model": "create:block/cart_assembler/block_powered_rail_detector"
+    },
+    "powered=false,rail_type=4,shape=north_south": {
+      "model": "create:block/cart_assembler/block_rail_activator"
+    },
+    "powered=true,rail_type=4,shape=north_south": {
+      "model": "create:block/cart_assembler/block_powered_rail_activator"
+    },
+    "powered=false,rail_type=0,shape=east_west": {
+      "model": "create:block/cart_assembler/block_none",
       "y": 90
     },
-    "powered=true,shape=east_west": {
+    "powered=true,rail_type=0,shape=east_west": {
-      "model": "create:block/cart_assembler/block_powered",
+      "model": "create:block/cart_assembler/block_powered_none",
+      "y": 90
+    },
+    "powered=false,rail_type=1,shape=east_west": {
+      "model": "create:block/cart_assembler/block_rail_normal",
+      "y": 90
+    },
+    "powered=true,rail_type=1,shape=east_west": {
+      "model": "create:block/cart_assembler/block_powered_rail_normal",
+      "y": 90
+    },
+    "powered=false,rail_type=2,shape=east_west": {
+      "model": "create:block/cart_assembler/block_rail_powered",
+      "y": 90
+    },
+    "powered=true,rail_type=2,shape=east_west": {
+      "model": "create:block/cart_assembler/block_powered_rail_powered",
+      "y": 90
+    },
+    "powered=false,rail_type=3,shape=east_west": {
+      "model": "create:block/cart_assembler/block_rail_detector",
+      "y": 90
+    },
+    "powered=true,rail_type=3,shape=east_west": {
+      "model": "create:block/cart_assembler/block_powered_rail_detector",
+      "y": 90
+    },
+    "powered=false,rail_type=4,shape=east_west": {
+      "model": "create:block/cart_assembler/block_rail_activator",
+      "y": 90
+    },
+    "powered=true,rail_type=4,shape=east_west": {
+      "model": "create:block/cart_assembler/block_powered_rail_activator",
       "y": 90
     }
   }

src/generated/resources/assets/create/blockstates/radial_chassis.json

@@ -29,8 +29,8 @@
     },
     {
       "when": {
-        "sticky_south": "true",
+        "axis": "x",
-        "axis": "x"
+        "sticky_south": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -39,8 +39,8 @@
     },
     {
       "when": {
-        "sticky_south": "true",
+        "axis": "y",
-        "axis": "y"
+        "sticky_south": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y_sticky"
@@ -48,8 +48,8 @@
     },
     {
       "when": {
-        "sticky_south": "true",
+        "axis": "z",
-        "axis": "z"
+        "sticky_south": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -59,8 +59,8 @@
     },
     {
       "when": {
-        "sticky_south": "false",
+        "axis": "x",
-        "axis": "x"
+        "sticky_south": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",
@@ -69,8 +69,8 @@
     },
     {
       "when": {
-        "sticky_south": "false",
+        "axis": "y",
-        "axis": "y"
+        "sticky_south": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y"
@@ -78,8 +78,8 @@
     },
     {
       "when": {
-        "sticky_south": "false",
+        "axis": "z",
-        "axis": "z"
+        "sticky_south": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",
@@ -89,8 +89,8 @@
     },
     {
       "when": {
-        "sticky_west": "true",
+        "axis": "x",
-        "axis": "x"
+        "sticky_west": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -99,8 +99,8 @@
     },
     {
       "when": {
-        "sticky_west": "true",
+        "axis": "y",
-        "axis": "y"
+        "sticky_west": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y_sticky",
@@ -109,8 +109,8 @@
     },
     {
       "when": {
-        "sticky_west": "true",
+        "axis": "z",
-        "axis": "z"
+        "sticky_west": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_z_sticky",
@@ -119,8 +119,8 @@
     },
     {
       "when": {
-        "sticky_west": "false",
+        "axis": "x",
-        "axis": "x"
+        "sticky_west": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",
@@ -129,8 +129,8 @@
     },
     {
       "when": {
-        "sticky_west": "false",
+        "axis": "y",
-        "axis": "y"
+        "sticky_west": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y",
@@ -139,8 +139,8 @@
     },
     {
       "when": {
-        "sticky_west": "false",
+        "axis": "z",
-        "axis": "z"
+        "sticky_west": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_z",
@@ -149,8 +149,8 @@
     },
     {
       "when": {
-        "sticky_north": "true",
+        "axis": "x",
-        "axis": "x"
+        "sticky_north": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky"
@@ -158,8 +158,8 @@
     },
     {
       "when": {
-        "sticky_north": "true",
+        "axis": "y",
-        "axis": "y"
+        "sticky_north": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y_sticky",
@@ -168,8 +168,8 @@
     },
     {
       "when": {
-        "sticky_north": "true",
+        "axis": "z",
-        "axis": "z"
+        "sticky_north": "true"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x_sticky",
@@ -178,8 +178,8 @@
     },
     {
       "when": {
-        "sticky_north": "false",
+        "axis": "x",
-        "axis": "x"
+        "sticky_north": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x"
@@ -187,8 +187,8 @@
     },
     {
       "when": {
-        "sticky_north": "false",
+        "axis": "y",
-        "axis": "y"
+        "sticky_north": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_y",
@@ -197,8 +197,8 @@
     },
     {
       "when": {
-        "sticky_north": "false",
+        "axis": "z",
-        "axis": "z"
+        "sticky_north": "false"
       },
       "apply": {
         "model": "create:block/radial_chassis_side_x",

src/generated/resources/assets/create/lang/en_us.json

@@ -484,6 +484,7 @@
 	"death.attack.create.cuckoo_clock_explosion": "%1$s was blown up by tampered cuckoo clock",
 
 	"create.block.deployer.damage_source_name": "a rogue Deployer",
+	"create.block.cart_assembler.invalid": "Can not place a Cart Assembler on this rail type",
 
 	"create.recipe.crushing": "Crushing",
 	"create.recipe.milling": "Milling",

src/main/java/com/simibubi/create/AllBlocks.java

@@ -40,6 +40,7 @@ import com.simibubi.create.content.contraptions.components.structureMovement.cha
 import com.simibubi.create.content.contraptions.components.structureMovement.chassis.LinearChassisBlock.ChassisCTBehaviour;
 import com.simibubi.create.content.contraptions.components.structureMovement.chassis.RadialChassisBlock;
 import com.simibubi.create.content.contraptions.components.structureMovement.mounted.CartAssemblerBlock;
+import com.simibubi.create.content.contraptions.components.structureMovement.mounted.CartAssemblerBlockItem;
 import com.simibubi.create.content.contraptions.components.structureMovement.mounted.CartAssemblerBlock.MinecartAnchorBlock;
 import com.simibubi.create.content.contraptions.components.structureMovement.piston.MechanicalPistonBlock;
 import com.simibubi.create.content.contraptions.components.structureMovement.piston.MechanicalPistonHeadBlock;
@@ -451,7 +452,7 @@ public class AllBlocks {
 			.blockstate(BlockStateGen.cartAssembler())
 			.addLayer(() -> RenderType::getCutoutMipped)
 			.tag(BlockTags.RAILS)
-			.item()
+			.item(CartAssemblerBlockItem::new)
 			.model((c, p) -> p.blockItem(() -> c.getEntry()
 				.getBlock(), "/block"))
 			.build()

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/mounted/CartAssemblerBlock.java

@@ -1,29 +1,47 @@
 package com.simibubi.create.content.contraptions.components.structureMovement.mounted;
 
+import java.util.List;
+
+import javax.annotation.Nullable;
+
 import com.simibubi.create.AllBlocks;
 import com.simibubi.create.AllShapes;
 import com.simibubi.create.AllTileEntities;
 import com.simibubi.create.content.contraptions.components.structureMovement.ContraptionEntity;
 import com.simibubi.create.content.contraptions.components.structureMovement.mounted.CartAssemblerTileEntity.CartMovementMode;
 import com.simibubi.create.content.contraptions.wrench.IWrenchable;
+import com.simibubi.create.content.schematics.ISpecialBlockItemRequirement;
+import com.simibubi.create.content.schematics.ItemRequirement;
+import com.simibubi.create.content.schematics.ItemRequirement.ItemUseType;
 import com.simibubi.create.foundation.block.ITE;
 import com.simibubi.create.foundation.utility.VecHelper;
 
 import net.minecraft.block.AbstractRailBlock;
 import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
+import net.minecraft.block.Blocks;
+import net.minecraft.block.DetectorRailBlock;
+import net.minecraft.block.PoweredRailBlock;
+import net.minecraft.block.RailBlock;
 import net.minecraft.block.material.PushReaction;
+import net.minecraft.entity.Entity;
 import net.minecraft.entity.item.minecart.AbstractMinecartEntity;
 import net.minecraft.entity.item.minecart.FurnaceMinecartEntity;
-import net.minecraft.item.BlockItemUseContext;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.Item;
+import net.minecraft.item.ItemStack;
+import net.minecraft.item.ItemUseContext;
+import net.minecraft.item.Items;
 import net.minecraft.nbt.CompoundNBT;
 import net.minecraft.state.BooleanProperty;
 import net.minecraft.state.EnumProperty;
 import net.minecraft.state.IProperty;
+import net.minecraft.state.IntegerProperty;
 import net.minecraft.state.StateContainer.Builder;
 import net.minecraft.state.properties.BlockStateProperties;
 import net.minecraft.state.properties.RailShape;
 import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
 import net.minecraft.util.Direction.Axis;
 import net.minecraft.util.math.BlockPos;
@@ -32,22 +50,39 @@ import net.minecraft.util.math.shapes.ISelectionContext;
 import net.minecraft.util.math.shapes.VoxelShape;
 import net.minecraft.util.math.shapes.VoxelShapes;
 import net.minecraft.world.IBlockReader;
+import net.minecraft.world.IWorldReader;
 import net.minecraft.world.World;
+import net.minecraft.world.server.ServerWorld;
+import net.minecraft.world.storage.loot.LootContext;
+import net.minecraft.world.storage.loot.LootParameters;
 
-public class CartAssemblerBlock extends AbstractRailBlock implements ITE<CartAssemblerTileEntity>, IWrenchable {
+public class CartAssemblerBlock extends AbstractRailBlock implements ITE<CartAssemblerTileEntity>, IWrenchable, ISpecialBlockItemRequirement {
 
+    public static final int RAIL_NONE = 0;
+    public static final int RAIL_NORMAL = 1;
+    public static final int RAIL_POWERED = 2;
+    public static final int RAIL_DETECTOR = 3;
+    public static final int RAIL_ACTIVATOR = 4;
     public static IProperty<RailShape> RAIL_SHAPE =
             EnumProperty.create("shape", RailShape.class, RailShape.EAST_WEST, RailShape.NORTH_SOUTH);
+    public static IProperty<Integer> RAIL_TYPE = IntegerProperty.create("rail_type", 0, 4);
+
     public static BooleanProperty POWERED = BlockStateProperties.POWERED;
 
     public CartAssemblerBlock(Properties properties) {
         super(true, properties);
-		setDefaultState(getDefaultState().with(POWERED, false));
+        setDefaultState(getDefaultState().with(POWERED, false).with(RAIL_TYPE, RAIL_POWERED));
+    }
+
+    public static BlockState createAnchor(BlockState state) {
+        Axis axis = state.get(RAIL_SHAPE) == RailShape.NORTH_SOUTH ? Axis.Z : Axis.X;
+        return AllBlocks.MINECART_ANCHOR.getDefaultState()
+                .with(BlockStateProperties.HORIZONTAL_AXIS, axis);
     }
 
     @Override
     protected void fillStateContainer(Builder<Block, BlockState> builder) {
-		builder.add(RAIL_SHAPE, POWERED);
+        builder.add(RAIL_SHAPE, POWERED, RAIL_TYPE);
         super.fillStateContainer(builder);
     }
 
@@ -61,16 +96,6 @@ public class CartAssemblerBlock extends AbstractRailBlock implements ITE<CartAss
         return AllTileEntities.CART_ASSEMBLER.create();
     }
 
-	@Override
-	public BlockState getStateForPlacement(BlockItemUseContext context) {
-		boolean alongX = context.getPlacementHorizontalFacing()
-			.getAxis() == Axis.X;
-		boolean powered = context.getWorld()
-			.isBlockPowered(context.getPos());
-		return super.getStateForPlacement(context).with(POWERED, Boolean.valueOf(powered))
-			.with(RAIL_SHAPE, alongX ? RailShape.EAST_WEST : RailShape.NORTH_SOUTH);
-	}
-
     @Override
     public boolean canMakeSlopes(BlockState state, IBlockReader world, BlockPos pos) {
         return false;
@@ -186,6 +211,56 @@ public class CartAssemblerBlock extends AbstractRailBlock implements ITE<CartAss
         return false;
     }
 
+    @Override
+    public Class<CartAssemblerTileEntity> getTileEntityClass() {
+        return CartAssemblerTileEntity.class;
+    }
+
+    @Override
+    public boolean isValidPosition(BlockState state, IWorldReader world, BlockPos pos) {
+        return false;
+    }
+    
+    @Override
+    @SuppressWarnings("deprecation")
+    public List<ItemStack> getDrops(BlockState state, net.minecraft.world.storage.loot.LootContext.Builder builder) {
+		List<ItemStack> drops = super.getDrops(state, builder);
+		drops.addAll(getRailBlock(state).getDrops(builder));
+    	return drops;
+	}
+    
+    
+    private static Item getRailItem(BlockState state) {
+    	switch (state.get(RAIL_TYPE)) {
+		case RAIL_NORMAL:
+			return Items.RAIL;
+		case RAIL_DETECTOR:
+			return Items.DETECTOR_RAIL;
+		case RAIL_POWERED:
+			return Items.POWERED_RAIL;
+		case RAIL_ACTIVATOR:
+			return Items.ACTIVATOR_RAIL;
+		default:
+			return Items.AIR;
+		}
+    }
+    
+    public static BlockState getRailBlock(BlockState assembler) {
+    	switch (assembler.get(RAIL_TYPE)) {
+		case RAIL_NORMAL:
+			return Blocks.RAIL.getDefaultState().with(RailBlock.SHAPE, assembler.get(RAIL_SHAPE));
+		case RAIL_DETECTOR:
+			return Blocks.DETECTOR_RAIL.getDefaultState().with(DetectorRailBlock.SHAPE, assembler.get(RAIL_SHAPE));
+		case RAIL_POWERED:
+			return Blocks.POWERED_RAIL.getDefaultState().with(PoweredRailBlock.SHAPE, assembler.get(RAIL_SHAPE));
+		case RAIL_ACTIVATOR:
+			return Blocks.ACTIVATOR_RAIL.getDefaultState().with(PoweredRailBlock.SHAPE, assembler.get(RAIL_SHAPE));
+		default:
+			return null;
+		}
+    }
+    
+
     public static class MinecartAnchorBlock extends Block {
 
         public MinecartAnchorBlock(Properties p_i48440_1_) {
@@ -203,17 +278,33 @@ public class CartAssemblerBlock extends AbstractRailBlock implements ITE<CartAss
                                    ISelectionContext p_220053_4_) {
             return VoxelShapes.empty();
         }
-
-	}
-
-	public static BlockState createAnchor(BlockState state) {
-		Axis axis = state.get(RAIL_SHAPE) == RailShape.NORTH_SOUTH ? Axis.Z : Axis.X;
-		return AllBlocks.MINECART_ANCHOR.getDefaultState()
-			.with(BlockStateProperties.HORIZONTAL_AXIS, axis);
     }
     
     @Override
-	public Class<CartAssemblerTileEntity> getTileEntityClass() {
+    public ItemRequirement getRequiredItems(BlockState state) {
-		return CartAssemblerTileEntity.class;
+    	return new ItemRequirement(ItemUseType.CONSUME, getRailItem(state));
+    }
+    
+    
+    @SuppressWarnings("deprecation")
+	public List<ItemStack> getDropedAssembler(BlockState p_220077_0_, ServerWorld p_220077_1_, BlockPos p_220077_2_, @Nullable TileEntity p_220077_3_, @Nullable Entity p_220077_4_, ItemStack p_220077_5_) {
+        return super.getDrops(p_220077_0_, (new LootContext.Builder(p_220077_1_)).withRandom(p_220077_1_.rand).withParameter(LootParameters.POSITION, p_220077_2_).withParameter(LootParameters.TOOL, p_220077_5_).withNullableParameter(LootParameters.THIS_ENTITY, p_220077_4_).withNullableParameter(LootParameters.BLOCK_ENTITY, p_220077_3_));
+     }
+    
+    @Override
+    public ActionResultType onSneakWrenched(BlockState state, ItemUseContext context) {
+    	World world = context.getWorld();
+		BlockPos pos = context.getPos();
+		PlayerEntity player = context.getPlayer();
+		if (world instanceof ServerWorld) {
+			if (!player.isCreative())
+				getDropedAssembler(state, (ServerWorld) world, pos, world.getTileEntity(pos), player, context.getItem())
+					.forEach(itemStack -> {
+						player.inventory.placeItemBackInInventory(world, itemStack);
+					});
+			state.spawnAdditionalDrops(world, pos, ItemStack.EMPTY);
+			world.setBlockState(pos, getRailBlock(state));
+		}
+		return ActionResultType.SUCCESS;
     }
 }

src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/mounted/CartAssemblerBlockItem.java

@@ -0,0 +1,59 @@
+package com.simibubi.create.content.contraptions.components.structureMovement.mounted;
+
+import com.simibubi.create.AllBlocks;
+import com.simibubi.create.foundation.utility.Lang;
+import net.minecraft.block.*;
+import net.minecraft.item.BlockItem;
+import net.minecraft.item.ItemUseContext;
+import net.minecraft.state.properties.RailShape;
+import net.minecraft.util.ActionResultType;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.world.World;
+
+public class CartAssemblerBlockItem extends BlockItem {
+
+    public CartAssemblerBlockItem(Block block, Properties properties) {
+        super(block, properties);
+    }
+
+    @Override
+    public ActionResultType onItemUse(ItemUseContext context) {
+        BlockPos pos = context.getPos();
+        World world = context.getWorld();
+        BlockState state = world.getBlockState(pos);
+        Block block = state.getBlock();
+        if (block instanceof AbstractRailBlock) {
+            RailShape shape = state.get(((AbstractRailBlock) block).getShapeProperty());
+            if (shape == RailShape.EAST_WEST || shape == RailShape.NORTH_SOUTH) {
+                BlockState defaultState = AllBlocks.CART_ASSEMBLER.getDefaultState().with(CartAssemblerBlock.RAIL_SHAPE, shape);
+                if (block.getClass() == RailBlock.class) {
+                    world.setBlockState(pos, defaultState.with(CartAssemblerBlock.RAIL_TYPE, CartAssemblerBlock.RAIL_NORMAL));
+                } else if (block.getClass() == PoweredRailBlock.class) {
+                	if(((PoweredRailBlock) block).isActivatorRail()) {
+                		world.setBlockState(pos, defaultState.with(CartAssemblerBlock.RAIL_TYPE, CartAssemblerBlock.RAIL_ACTIVATOR));
+                	} else {
+                		world.setBlockState(pos, defaultState.with(CartAssemblerBlock.RAIL_TYPE, CartAssemblerBlock.RAIL_POWERED));
+                	}
+                    
+                } else if (block.getClass() == DetectorRailBlock.class) {
+                    world.setBlockState(pos, defaultState.with(CartAssemblerBlock.RAIL_TYPE, CartAssemblerBlock.RAIL_DETECTOR));
+                } else {
+                    showWarning(context);
+                    return super.onItemUse(context);
+                }
+                if (!context.getPlayer().isCreative())
+                    context.getItem().setCount(context.getItem().getCount() - 1);
+                return ActionResultType.SUCCESS;
+            }
+            showWarning(context);
+        }
+
+
+        return super.onItemUse(context);
+    }
+
+    private void showWarning(ItemUseContext context) {
+        context.getPlayer().sendStatusMessage(new StringTextComponent(Lang.translate("block.cart_assembler.invalid")), true);
+    }
+}

src/main/java/com/simibubi/create/content/contraptions/wrench/IWrenchable.java

@@ -10,12 +10,17 @@ import com.simibubi.create.content.contraptions.base.RotatedPillarKineticBlock;
 import com.simibubi.create.foundation.utility.DirectionHelper;
 import com.simibubi.create.foundation.utility.VoxelShaper;
 
+import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
+import net.minecraft.entity.player.PlayerEntity;
+import net.minecraft.item.ItemStack;
 import net.minecraft.item.ItemUseContext;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.ActionResultType;
 import net.minecraft.util.Direction;
+import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
+import net.minecraft.world.server.ServerWorld;
 
 public interface IWrenchable {
 
@@ -41,6 +46,23 @@ public interface IWrenchable {
 		return newState;
 	}
 	
+	default ActionResultType onSneakWrenched(BlockState state, ItemUseContext context) {
+		World world = context.getWorld();
+		BlockPos pos = context.getPos();
+		PlayerEntity player = context.getPlayer();
+		if (world instanceof ServerWorld) {
+			if (!player.isCreative())
+				Block.getDrops(state, (ServerWorld) world, pos, world.getTileEntity(pos), player, context.getItem())
+					.forEach(itemStack -> {
+						player.inventory.placeItemBackInInventory(world, itemStack);
+					});
+			state.spawnAdditionalDrops(world, pos, ItemStack.EMPTY);
+			world.destroyBlock(pos, false);
+		}
+		return ActionResultType.SUCCESS;
+	}
+	
+
 	static BlockState getRotatedBlockState(BlockState originalState, Direction targetedFace){
 		BlockState newState = originalState;
 
@@ -69,5 +91,4 @@ public interface IWrenchable {
 		}
 		return newState;
 	}
-
 }

src/main/java/com/simibubi/create/content/contraptions/wrench/WrenchItem.java

@@ -1,15 +1,10 @@
 package com.simibubi.create.content.contraptions.wrench;
 
-import net.minecraft.block.Block;
 import net.minecraft.block.BlockState;
 import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.Item;
-import net.minecraft.item.ItemStack;
 import net.minecraft.item.ItemUseContext;
 import net.minecraft.util.ActionResultType;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.world.World;
-import net.minecraft.world.server.ServerWorld;
 
 public class WrenchItem extends Item {
 
@@ -23,27 +18,15 @@ public class WrenchItem extends Item {
 		if (!player.isAllowEdit())
 			return super.onItemUse(context);
 
-		World world = context.getWorld();
+		
-		BlockPos pos = context.getPos();
+		BlockState state = context.getWorld().getBlockState(context.getPos());
-		BlockState state = world.getBlockState(pos);
 		if (!(state.getBlock() instanceof IWrenchable))
 			return super.onItemUse(context);
 		IWrenchable actor = (IWrenchable) state.getBlock();
 
 		if (player.isSneaking()) {
-			if (world instanceof ServerWorld) {
+			actor.onSneakWrenched(state, context);
-				if (!player.isCreative())
-					Block.getDrops(state, (ServerWorld) world, pos, world.getTileEntity(pos), player, context.getItem())
-						.forEach(itemStack -> {
-							player.inventory.placeItemBackInInventory(world, itemStack);
-						});
-				state.spawnAdditionalDrops(world, pos, ItemStack.EMPTY);
-				world.destroyBlock(pos, false);
 		}
-			return ActionResultType.SUCCESS;
-		}
-
 		return actor.onWrenched(state, context);
 	}
-
 }

src/main/java/com/simibubi/create/foundation/data/BlockStateGen.java

@@ -166,12 +166,20 @@ public class BlockStateGen {
 	}
 
 	public static NonNullBiConsumer<DataGenContext<Block, CartAssemblerBlock>, RegistrateBlockstateProvider> cartAssembler() {
+		HashMap<Integer, String> railTypes = new HashMap<Integer, String>();
+		railTypes.put(CartAssemblerBlock.RAIL_NONE, "_none");
+		railTypes.put(CartAssemblerBlock.RAIL_NORMAL, "_rail_normal");
+		railTypes.put(CartAssemblerBlock.RAIL_POWERED, "_rail_powered");
+		railTypes.put(CartAssemblerBlock.RAIL_DETECTOR, "_rail_detector");
+		railTypes.put(CartAssemblerBlock.RAIL_ACTIVATOR, "_rail_activator");
+		
 		return (c, p) -> p.getVariantBuilder(c.get())
 			.forAllStates(state -> {
 				return ConfiguredModel.builder()
 					.modelFile(p.models()
 						.getExistingFile(p.modLoc("block/" + c.getName() + "/block"
-							+ (state.get(CartAssemblerBlock.POWERED) ? "_powered" : ""))))
+								+ (state.get(CartAssemblerBlock.POWERED) ? "_powered" : "")
+								+ railTypes.get(state.get(CartAssemblerBlock.RAIL_TYPE)))))
 					.rotationY(state.get(CartAssemblerBlock.RAIL_SHAPE) == RailShape.EAST_WEST ? 90 : 0)
 					.build();
 			});

src/main/resources/assets/create/lang/default/messages.json

@@ -10,6 +10,7 @@
 	"death.attack.create.mechanical_saw": "%1$s got cut in half by Mechanical mechanical_saw",
 	"death.attack.create.cuckoo_clock_explosion": "%1$s was blown up by tampered cuckoo clock",
 	"create.block.deployer.damage_source_name": "a rogue Deployer",
+	"create.block.cart_assembler.invalid": "Can not place a Cart Assembler on this rail type",
 
 	"create.recipe.crushing": "Crushing",
 	"create.recipe.milling": "Milling",

src/main/resources/assets/create/models/block/cart_assembler/block_none.json

@@ -0,0 +1,93 @@
+{
+	"credit": "Made with Blockbench",
+	"parent": "block/block",
+	"textures": {
+		"4": "create:block/bearing_top",
+		"5": "create:block/mechanical_bearing_side",
+		"clutch_off": "create:block/clutch_off",
+		"translation_chassis_side": "create:block/cart_assembler_side",
+		"particle": "create:block/cart_assembler_side"
+	},
+	"elements": [
+		{
+			"name": "Side",
+			"from": [13.875, 0.062, 1.125],
+			"to": [17.875, 13.937, 14.875],
+			"faces": {
+				"north": {"uv": [1, 4, 15, 0], "rotation": 90, "texture": "#translation_chassis_side"},
+				"east": {"uv": [1, 1, 15, 15], "rotation": 90, "texture": "#translation_chassis_side"},
+				"south": {"uv": [1, 0, 15, 4], "rotation": 90, "texture": "#translation_chassis_side"},
+				"west": {"uv": [1, 1, 15, 15], "rotation": 90, "texture": "#translation_chassis_side"},
+				"up": {"uv": [5, 1, 9, 15], "texture": "#translation_chassis_side"},
+				"down": {"uv": [2, 1, 6, 15], "texture": "#translation_chassis_side"}
+			}
+		},
+		{
+			"name": "Side",
+			"from": [-1.875, 0.062, 1.125],
+			"to": [2.125, 13.937, 14.875],
+			"faces": {
+				"north": {"uv": [1, 0, 15, 4], "rotation": 90, "texture": "#translation_chassis_side"},
+				"east": {"uv": [1, 15, 15, 1], "rotation": 90, "texture": "#translation_chassis_side"},
+				"south": {"uv": [1, 4, 15, 0], "rotation": 90, "texture": "#translation_chassis_side"},
+				"west": {"uv": [1, 15, 15, 1], "rotation": 90, "texture": "#translation_chassis_side"},
+				"up": {"uv": [9, 1, 5, 15], "texture": "#translation_chassis_side"},
+				"down": {"uv": [6, 1, 2, 15], "texture": "#translation_chassis_side"}
+			}
+		},
+		{
+			"from": [0, 12, 0],
+			"to": [16, 16, 16],
+			"rotation": {"angle": 0, "axis": "y", "origin": [8, 23, 8]},
+			"faces": {
+				"north": {"uv": [0, 0, 16, 4], "texture": "#5"},
+				"east": {"uv": [0, 0, 16, 4], "texture": "#5"},
+				"south": {"uv": [0, 0, 16, 4], "texture": "#5"},
+				"west": {"uv": [0, 0, 16, 4], "texture": "#5"},
+				"up": {"uv": [0, 0, 16, 16], "texture": "#4"},
+				"down": {"uv": [0, 0, 16, 16], "texture": "#translation_chassis_side"}
+			}
+		},
+		{
+			"from": [2, 10, 1],
+			"to": [14, 12, 15],
+			"rotation": {"angle": 0, "axis": "y", "origin": [18, 22, 10]},
+			"faces": {
+				"north": {"uv": [2, 7, 14, 9], "texture": "#clutch_off"},
+				"south": {"uv": [2, 7, 14, 9], "texture": "#clutch_off"},
+				"down": {"uv": [2, 1, 14, 15], "texture": "#translation_chassis_side"}
+			}
+		}
+	],
+	"display": {
+		"thirdperson_righthand": {
+			"rotation": [75, 45, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"thirdperson_lefthand": {
+			"rotation": [75, 45, 0],
+			"translation": [0, 2.5, 0],
+			"scale": [0.375, 0.375, 0.375]
+		},
+		"firstperson_righthand": {
+			"rotation": [0, 45, 0],
+			"scale": [0.4, 0.4, 0.4]
+		},
+		"firstperson_lefthand": {
+			"rotation": [0, 225, 0],
+			"scale": [0.4, 0.4, 0.4]
+		},
+		"ground": {
+			"translation": [0, 3, 0],
+			"scale": [0.25, 0.25, 0.25]
+		},
+		"gui": {
+			"rotation": [30, 225, 0],
+			"scale": [0.625, 0.625, 0.625]
+		},
+		"fixed": {
+			"scale": [0.5, 0.5, 0.5]
+		}
+	}
+}

src/main/resources/assets/create/models/block/cart_assembler/block_powered_none.json

@@ -0,0 +1,6 @@
+{
+	"parent": "create:block/cart_assembler/block_none",
+    "textures": {
+        "clutch_off": "create:block/clutch_on"
+    }
+}

src/main/resources/assets/create/models/block/cart_assembler/block_powered_rail_activator.json

@@ -0,0 +1,7 @@
+{
+	"parent": "create:block/cart_assembler/block",
+    "textures": {
+        "clutch_off": "create:block/clutch_on",
+        "rail": "block/activator_rail"
+    }
+}

src/main/resources/assets/create/models/block/cart_assembler/block_powered_rail_detector.json

@@ -0,0 +1,7 @@
+{
+	"parent": "create:block/cart_assembler/block",
+    "textures": {
+        "clutch_off": "create:block/clutch_on",
+        "rail": "block/detector_rail"
+    }
+}

src/main/resources/assets/create/models/block/cart_assembler/block_powered_rail_normal.json

@@ -0,0 +1,7 @@
+{
+	"parent": "create:block/cart_assembler/block",
+    "textures": {
+        "clutch_off": "create:block/clutch_on",
+        "rail": "block/rail"
+    }
+}

src/main/resources/assets/create/models/block/cart_assembler/block_rail_activator.json

@@ -0,0 +1,6 @@
+{
+	"parent": "create:block/cart_assembler/block",
+    "textures": {
+        "rail": "block/activator_rail"
+    }
+}

src/main/resources/assets/create/models/block/cart_assembler/block_rail_detector.json

@@ -0,0 +1,6 @@
+{
+	"parent": "create:block/cart_assembler/block",
+    "textures": {
+        "rail": "block/detector_rail"
+    }
+}

src/main/resources/assets/create/models/block/cart_assembler/block_rail_normal.json

@@ -0,0 +1,6 @@
+{
+	"parent": "create:block/cart_assembler/block",
+    "textures": {
+        "rail": "block/rail"
+    }
+}

src/main/resources/assets/create/models/block/cart_assembler/block_rail_powered.json

@@ -0,0 +1,6 @@
+{
+	"parent": "create:block/cart_assembler/block",
+    "textures": {
+        "rail": "block/powered_rail"
+    }
+}

src/main/resources/data/create/recipes/crafting_shaped/contraptions/cart_assembler.json

@@ -3,7 +3,7 @@
         "pattern": [
             " L ",
             "CRC",
-			"LTL"
+			"L L"
         ],
         "key": {
 			"L": {
@@ -11,9 +11,6 @@
             },
 			"R": {
                 "tag": "forge:dusts/redstone"
-            },
-			"T": {
-                "item": "minecraft:rail"
             },
 			"C": {
                 "item": "create:andesite_alloy"