Error messages may occur.

Text sync almost complete

src/main/java/org/teamavion/pcomp/PComp.java

@@ -1,5 +1,12 @@
 package org.teamavion.pcomp;
 
+import net.minecraft.nbt.JsonToNBT;
+import net.minecraft.nbt.NBTException;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.World;
+import net.minecraft.world.WorldProvider;
+import net.minecraftforge.common.DimensionManager;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.fml.common.Mod.EventHandler;
 import net.minecraftforge.fml.common.event.FMLInitializationEvent;
@@ -11,6 +18,10 @@ import org.teamavion.pcomp.tile.TileEntityComputer;
 import org.teamavion.util.automation.BlockRegister;
 import org.teamavion.util.automation.SetupHelper;
 import org.teamavion.util.support.NetworkChannel;
+import org.teamavion.util.support.Reflection;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 @Mod(modid = PComp.MODID, version = PComp.VERSION)
 public class PComp
@@ -30,6 +41,26 @@ public class PComp
         SetupHelper.setup(PComp.class);
         SetupHelper.registerRenders(PComp.class);
         channel = new NetworkChannel(MODID);
+        channel.registerWorldHandler((side, worldEvent) -> {
+            World w = (World) Reflection.getValue("world", DimensionManager.getProvider((Integer) Reflection.getValue("id", worldEvent, worldEvent.getClass())), WorldProvider.class); // Get World
+            TileEntity t = w.getTileEntity(worldEvent.getPos());
+            try {
+                if (t != null) {
+                    Matcher m = Pattern.compile("(\\d+):(\\d+):(\\d+);(\\d+);(.+)").matcher(worldEvent.getData());
+                    if(!m.matches()) throw new RuntimeException();
+                    String s1;
+                    NBTTagCompound n = JsonToNBT.getTagFromJson((s1=m.group(5)).substring(8, s1.length()-1)
+                            .replace("&rbr;", "}")
+                            .replace("&lbr;", "{")
+                            .replace(""", "\"")
+                            .replace("&", "&"));
+                    t.readFromNBT(n);
+                }
+            } catch (NBTException e) {
+                e.printStackTrace();
+            }
+            return null;
+        });
         NetworkRegistry.INSTANCE.registerGuiHandler(this, new GUIHandler());
         GameRegistry.registerTileEntity(TileEntityComputer.class, "computer");
     }

src/main/java/org/teamavion/pcomp/gui/GUIComputer.java

@@ -1,11 +1,16 @@
 package org.teamavion.pcomp.gui;
 
+import com.google.gson.JsonObject;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiButton;
 import net.minecraft.client.gui.GuiScreen;
 import net.minecraft.client.gui.GuiTextField;
+import net.minecraft.nbt.NBTTagCompound;
 import org.lwjgl.input.Keyboard;
+import org.teamavion.pcomp.PComp;
+import org.teamavion.pcomp.net.DataListener;
 import org.teamavion.pcomp.tile.TileEntityComputer;
+import org.teamavion.util.support.NetworkChannel;
 import org.teamavion.util.support.Reflection;
 import org.teamavion.util.support.Result;
 
@@ -17,9 +22,10 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 
 @SuppressWarnings({"unchecked", "WeakerAccess"})
-public class GUIComputer extends GuiScreen{
+public class GUIComputer extends GuiScreen implements DataListener<HashMap<Integer, String>>{
 
     protected final int viewportMin = -90, viewportMax = 45, maxInputLines = 128, textFieldLen = 240, textColor = 0xFFFFFF;
     protected final long keyPressTimeout = 0; // timeout period between keypresses to minimize spam
@@ -49,6 +55,7 @@ public class GUIComputer extends GuiScreen{
         button = new GuiButton(-1, this.width / 2 - textFieldLen / 2, this.height / 2 + viewportMax + 30, "Execute");
         button.width = textFieldLen;
         inputLines[selected].setFocused(true);
+        computer.registerDataListener(this);
     }
 
     @Override
@@ -235,9 +242,27 @@ public class GUIComputer extends GuiScreen{
         }
     }
 
+    @Override
+    public void onGuiClosed() {
+        computer.unregisterDataListener(this);
+        for(int i = 0; i<inputLines.length; ++i) computer.writeLine(i, inputLines[i].getText());
+        NBTTagCompound n = new NBTTagCompound();
+        computer.writeToNBT(n);
+        JsonObject j = new JsonObject();
+        j.addProperty("tag", n.toString().replace("&", "&amp;").replace("\"", "&quot;").replace("{", "&lbr;").replace("}", "&rbr;"));
+        PComp.instance.channel.sendToServer(new NetworkChannel.WorldEvent(computer.getPos(), computer.getWorld().provider.getDimension(), j));
+        computer.markDirty();
+        super.onGuiClosed();
+    }
+
     @Override
     protected void mouseReleased(int mouseX, int mouseY, int state) {
         super.mouseReleased(mouseX, mouseY, state);
         button.mouseReleased(mouseX, mouseY);
     }
+
+    @Override
+    public void getData(HashMap<Integer, String> data) {
+        for(int i = 0; i<inputLines.length; ++i) inputLines[i].setText(data.getOrDefault(i, ""));
+    }
 }

src/main/java/org/teamavion/pcomp/gui/GUIHandler.java

@@ -1,14 +1,20 @@
 package org.teamavion.pcomp.gui;
 
+import com.google.gson.JsonObject;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.entity.player.EntityPlayerMP;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
 import net.minecraftforge.fml.common.network.IGuiHandler;
+import org.teamavion.pcomp.PComp;
 import org.teamavion.pcomp.container.ContainerComputer;
 import org.teamavion.pcomp.tile.TileEntityComputer;
+import org.teamavion.util.support.NetworkChannel;
 
 import javax.annotation.Nullable;
+
 import static org.teamavion.pcomp.PComp.ID_COMPUTER;
 
 public class GUIHandler implements IGuiHandler{
@@ -19,6 +25,10 @@ public class GUIHandler implements IGuiHandler{
             case ID_COMPUTER:
                 TileEntity t = world.getTileEntity(new BlockPos(x, y, z));
                 if(!(t instanceof TileEntityComputer)) return null; // Something went wrong. ID-clash maybe?
+                NBTTagCompound n = new NBTTagCompound();
+                t.writeToNBT(n);JsonObject j = new JsonObject();
+                j.addProperty("tag", n.toString().replace("&", "&").replace("\"", """).replace("{", "&lbr;").replace("}", "&rbr;"));
+                PComp.instance.channel.sendTo(new NetworkChannel.WorldEvent(new BlockPos(x, y, z), world.provider.getDimension(), j), (EntityPlayerMP) player);
                 return new ContainerComputer((TileEntityComputer) t);
         }
         return null;

src/main/java/org/teamavion/pcomp/net/DataListener.java

@@ -0,0 +1,5 @@
+package org.teamavion.pcomp.net;
+
+public interface DataListener<T> {
+    void getData(T data);
+}

src/main/java/org/teamavion/pcomp/tile/TileEntityComputer.java

@@ -1,10 +1,48 @@
 package org.teamavion.pcomp.tile;
 
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.tileentity.TileEntity;
+import org.teamavion.pcomp.net.DataListener;
+
+import java.util.ArrayList;
+import java.util.HashMap;
 
 public class TileEntityComputer extends TileEntity{
+
+    protected final HashMap<Integer, String> lines = new HashMap<>();
+    protected final ArrayList<DataListener<HashMap<Integer, String>>> dataListeners = new ArrayList<>();
+
     public boolean isUsableByPlayer(EntityPlayer player) {
         return world.getTileEntity(getPos()) == this && player.getDistanceSq(getPos().getX() + 0.5, getPos().getY() + 0.5,getPos().getZ() + 0.5) < 64;
     }
+
+    public String readLine(int line){ return lines.keySet().contains(line)?lines.get(line):""; }
+    public void writeLine(int line, String data){ lines.put(line, data); }
+
+    @Override
+    public NBTTagCompound writeToNBT(NBTTagCompound compound) {
+        int j = 0, k = 0;
+        String s;
+        for(Integer i : lines.keySet()) if(i>j) j = i;
+        for(Integer i : lines.keySet()) if(i<k) k = i;
+        for(Integer i : lines.keySet()) if((s=lines.get(i)).length()!=0) compound.setString("line_"+i, s);
+        compound.setInteger("min", k);
+        compound.setInteger("max", j);
+        return super.writeToNBT(compound);
+    }
+
+    @Override
+    public void readFromNBT(NBTTagCompound compound) {
+        super.readFromNBT(compound);
+        if(!compound.hasKey("max") || !compound.hasKey("min")) return; // Fail
+        lines.clear();
+        int min = compound.getInteger("min"), max = compound.getInteger("max");
+        for(int i = min; (i-1<max) || (i == Integer.MIN_VALUE && max==Integer.MAX_VALUE); ++i) if(compound.hasKey("line_"+i)) lines.put(i, compound.getString("line_"+i));
+        for(DataListener<HashMap<Integer, String>> d : dataListeners) d.getData(lines);
+    }
+
+    public void registerDataListener(DataListener<HashMap<Integer, String>> listener){ dataListeners.add(listener); listener.getData(lines); }
+    public void unregisterDataListener(DataListener<HashMap<Integer, String>> listener){ dataListeners.remove(listener); }
+
 }