disable ca?

src/main/java/com/teammoeg/steampowered/SPConfig.java

@@ -67,13 +67,31 @@ public class SPConfig {
             builder.pop();
         }
     }
+    public static class Server {
 
+        public final ForgeConfigSpec.BooleanValue allowUnverifiedContraption;
+        public final ForgeConfigSpec.BooleanValue allowCartAssembler;
+        
+        Server(ForgeConfigSpec.Builder builder) {
+            builder.push("createmodify");
+            {
+            	allowUnverifiedContraption=builder.comment("Set to False to automatically disassemble contraptions formed before this mod installed").define("allowUnverifiedContraption",false);
+            	allowCartAssembler=builder.comment("Cart Assembler is not very \"Realistic\",So You can choose to disable its use").define("allowCartAssembler",false);
+            }
+            builder.pop();
+        }
+    }
     public static final ForgeConfigSpec COMMON_CONFIG;
+    public static final ForgeConfigSpec SERVER_CONFIG;
     public static final Common COMMON;
+    public static final Server SERVER;
 
     static {
         ForgeConfigSpec.Builder COMMON_BUILDER = new ForgeConfigSpec.Builder();
+        ForgeConfigSpec.Builder SERVER_BUILDER = new ForgeConfigSpec.Builder();
         COMMON = new Common(COMMON_BUILDER);
+        SERVER=new Server(SERVER_BUILDER);
+        SERVER_CONFIG=SERVER_BUILDER.build();
         COMMON_CONFIG = COMMON_BUILDER.build();
     }
 

src/main/java/com/teammoeg/steampowered/SteamPowered.java

@@ -64,6 +64,7 @@ public class SteamPowered {
         SPItems.register();
 
         ModLoadingContext.get().registerConfig(ModConfig.Type.COMMON, SPConfig.COMMON_CONFIG);
+        ModLoadingContext.get().registerConfig(ModConfig.Type.SERVER, SPConfig.SERVER_CONFIG);
         PacketHandler.register();
     }
 

src/main/java/com/teammoeg/steampowered/mixin/server/MixinAbstractContraption.java

@@ -0,0 +1,48 @@
+package com.teammoeg.steampowered.mixin.server;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import com.simibubi.create.content.contraptions.components.structureMovement.AbstractContraptionEntity;
+import com.teammoeg.steampowered.SPConfig;
+
+import net.minecraft.nbt.CompoundNBT;
+
+@Mixin(AbstractContraptionEntity.class)
+public abstract class MixinAbstractContraption {
+	boolean shoulddisb=false;
+	/**
+	 * @author khjxiaogu
+	 * @reason force reset contraptions for mod propose
+	 * */
+	@Inject(at = @At("TAIL"), method = "writeAdditional",remap=false)
+	protected void writeAdditional(CompoundNBT compound, boolean spawnPacket,CallbackInfo cbi) {
+		if(!SPConfig.SERVER.allowUnverifiedContraption.get())
+			compound.putInt("spinst",2);
+	}
+	@Shadow(remap=false)
+	public abstract void disassemble();
+	/**
+	 * @author khjxiaogu
+	 * @reason force reset contraptions for mod propose
+	 * */
+	@Inject(at = @At("TAIL"), method = "readAdditional",remap=false)
+	protected void readAdditional(CompoundNBT compound, boolean spawnPacket,CallbackInfo cbi) {
+		if(!SPConfig.SERVER.allowUnverifiedContraption.get())
+			if(compound.getInt("spinst")!=2) {
+				shoulddisb=true;
+			}
+	}
+	/**
+	 * @author khjxiaogu
+	 * @reason force reset contraptions for mod propose
+	 * */
+	@Inject(at = @At("TAIL"), method = "tick",remap=true)
+	protected void tick(CallbackInfo cbi) {
+		if(shoulddisb)
+			this.disassemble();
+	}
+}

src/main/java/com/teammoeg/steampowered/mixin/server/MixinCartAssemblerTileEntity.java

@@ -0,0 +1,51 @@
+package com.teammoeg.steampowered.mixin.server;
+
+import java.util.List;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import com.simibubi.create.content.contraptions.components.structureMovement.mounted.CartAssemblerTileEntity;
+import com.simibubi.create.foundation.tileEntity.SmartTileEntity;
+import com.simibubi.create.foundation.tileEntity.TileEntityBehaviour;
+import com.teammoeg.steampowered.SPConfig;
+
+import net.minecraft.entity.item.minecart.AbstractMinecartEntity;
+import net.minecraft.tileentity.TileEntityType;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+
+@Mixin(CartAssemblerTileEntity.class)
+public abstract class MixinCartAssemblerTileEntity extends SmartTileEntity{
+	public MixinCartAssemblerTileEntity(TileEntityType<?> tileEntityTypeIn) {
+		super(tileEntityTypeIn);
+	}
+	/**
+	 * @author khjxiaogu
+	 * @reason config disable cart assembly
+	 * */
+	@Inject(at = @At("HEAD"), method = "tryAssemble",remap=false,cancellable=true)
+	public void tryAssemble(AbstractMinecartEntity cart,CallbackInfo cbi) {
+		if(!SPConfig.SERVER.allowCartAssembler.get()) {
+			if (cart == null)
+				return;
+
+			if (!isMinecartUpdateValid())
+				return;
+			resetTicksSinceMinecartUpdate();
+			disassemble(level, worldPosition, cart);
+			cbi.cancel();
+			
+		}
+		
+	}
+	@Shadow(remap=false)
+	protected abstract void disassemble(World world, BlockPos pos, AbstractMinecartEntity cart) ;
+	@Shadow(remap=false)
+	public abstract void resetTicksSinceMinecartUpdate();
+	@Shadow(remap=false)
+	public abstract boolean isMinecartUpdateValid();
+}

src/main/resources/steampowered.mixins.json

@@ -6,7 +6,9 @@
   "refmap": "steampowered.refmap.json",
   "mixins": [
     "FlywheelTileEntityAccess",
-    "HandCrankBlockMixin"
+    "HandCrankBlockMixin",
+    "server.MixinAbstractContraption",
+    "server.MixinCartAssemblerTileEntity"
   ],
   "client": [
     "client.MixinClientEvents"