Finish world properties, add WorldPropertiesExample

src/main/java/com/moulberry/axiom/AxiomPaper.java

@@ -1,8 +1,13 @@
 package com.moulberry.axiom;
 
 import com.moulberry.axiom.buffer.CompressedBlockEntity;
+import com.moulberry.axiom.event.AxiomCreateWorldPropertiesEvent;
+import com.moulberry.axiom.event.AxiomTimeChangeEvent;
 import com.moulberry.axiom.packet.*;
+import com.moulberry.axiom.world_properties.WorldPropertyCategory;
+import com.moulberry.axiom.world_properties.WorldPropertyWidgetType;
 import com.moulberry.axiom.world_properties.server.ServerWorldPropertiesRegistry;
+import com.moulberry.axiom.world_properties.server.ServerWorldProperty;
 import io.netty.buffer.Unpooled;
 import io.netty.channel.Channel;
 import io.papermc.paper.event.player.PlayerFailMoveEvent;
@@ -15,6 +20,7 @@ import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.network.protocol.Packet;
 import net.minecraft.network.protocol.PacketFlow;
 import net.minecraft.network.protocol.game.ServerboundCustomPayloadPacket;
+import net.minecraft.resources.ResourceLocation;
 import org.bukkit.*;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -24,15 +30,23 @@ import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.plugin.messaging.Messenger;
 import org.checkerframework.checker.nullness.qual.NonNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 
 public class AxiomPaper extends JavaPlugin implements Listener {
 
+    public static AxiomPaper PLUGIN; // tsk tsk tsk
+
+    public final Set<UUID> activeAxiomPlayers = Collections.newSetFromMap(new ConcurrentHashMap<>());
+
     @Override
     public void onEnable() {
+        PLUGIN = this;
+
         Bukkit.getPluginManager().registerEvents(this, this);
+        // Bukkit.getPluginManager().registerEvents(new WorldPropertiesExample(), this);
         CompressedBlockEntity.initialize(this);
 
         Messenger msg = Bukkit.getMessenger();
@@ -42,13 +56,14 @@ public class AxiomPaper extends JavaPlugin implements Listener {
         msg.registerOutgoingPluginChannel(this, "axiom:set_editor_views");
         msg.registerOutgoingPluginChannel(this, "axiom:block_entities");
         msg.registerOutgoingPluginChannel(this, "axiom:register_world_properties");
-
-        final Set<UUID> activeAxiomPlayers = Collections.newSetFromMap(new ConcurrentHashMap<>());
+        msg.registerOutgoingPluginChannel(this, "axiom:set_world_property");
+        msg.registerOutgoingPluginChannel(this, "axiom:ack_world_properties");
 
         msg.registerIncomingPluginChannel(this, "axiom:hello", new HelloPacketListener(this, activeAxiomPlayers));
         msg.registerIncomingPluginChannel(this, "axiom:set_gamemode", new SetGamemodePacketListener());
         msg.registerIncomingPluginChannel(this, "axiom:set_fly_speed", new SetFlySpeedPacketListener());
         msg.registerIncomingPluginChannel(this, "axiom:set_world_time", new SetTimePacketListener());
+        msg.registerIncomingPluginChannel(this, "axiom:set_world_property", new SetWorldPropertyListener());
         msg.registerIncomingPluginChannel(this, "axiom:set_block", new SetBlockPacketListener(this));
         msg.registerIncomingPluginChannel(this, "axiom:set_hotbar_slot", new SetHotbarSlotPacketListener());
         msg.registerIncomingPluginChannel(this, "axiom:switch_active_hotbar", new SwitchActiveHotbarPacketListener());
@@ -99,6 +114,18 @@ public class AxiomPaper extends JavaPlugin implements Listener {
         }, 20, 20);
     }
 
+    private final WeakHashMap<World, ServerWorldPropertiesRegistry> worldProperties = new WeakHashMap<>();
+
+    public @Nullable ServerWorldPropertiesRegistry getWorldProperties(World world) {
+        if (worldProperties.containsKey(world)) {
+            return worldProperties.get(world);
+        } else {
+            ServerWorldPropertiesRegistry properties = createWorldProperties(world);
+            worldProperties.put(world, properties);
+            return properties;
+        }
+    }
+
     @EventHandler
     public void onFailMove(PlayerFailMoveEvent event) {
         if (event.getPlayer().hasPermission("axiom.*") &&
@@ -107,15 +134,17 @@ public class AxiomPaper extends JavaPlugin implements Listener {
         }
     }
 
-    private final WeakHashMap<World, ServerWorldPropertiesRegistry> worldProperties = new WeakHashMap<>();
-
     @EventHandler
     public void onChangedWorld(PlayerChangedWorldEvent event) {
-        System.out.println("Changed world!");
-
         World world = event.getPlayer().getWorld();
-        ServerWorldPropertiesRegistry properties = worldProperties.computeIfAbsent(world, k -> new ServerWorldPropertiesRegistry());
-        properties.registerFor(this, event.getPlayer());
+
+        ServerWorldPropertiesRegistry properties = getWorldProperties(world);
+
+        if (properties == null) {
+            event.getPlayer().sendPluginMessage(this, "axiom:register_world_properties", new byte[]{0});
+        } else {
+            properties.registerFor(this, event.getPlayer());
+        }
     }
 
     @EventHandler
@@ -123,9 +152,25 @@ public class AxiomPaper extends JavaPlugin implements Listener {
         Player player = event.getPlayer();
         Bukkit.getScheduler().scheduleSyncDelayedTask(this, () -> {
             World world = player.getWorld();
-            ServerWorldPropertiesRegistry properties = worldProperties.computeIfAbsent(world, k -> new ServerWorldPropertiesRegistry());
-            properties.registerFor(this, player);
+
+            ServerWorldPropertiesRegistry properties = getWorldProperties(world);
+
+            if (properties == null) {
+                player.sendPluginMessage(this, "axiom:register_world_properties", new byte[]{0});
+            } else {
+                properties.registerFor(this, player);
+            }
         }, 20); // Why does this need to be delayed?
     }
 
+    private ServerWorldPropertiesRegistry createWorldProperties(World world) {
+        ServerWorldPropertiesRegistry registry = new ServerWorldPropertiesRegistry();
+
+        AxiomCreateWorldPropertiesEvent createEvent = new AxiomCreateWorldPropertiesEvent(world, registry);
+        Bukkit.getPluginManager().callEvent(createEvent);
+        if (createEvent.isCancelled()) return null;
+
+        return registry;
+    }
+
 }

src/main/java/com/moulberry/axiom/WorldPropertiesExample.java

@@ -0,0 +1,55 @@
+package com.moulberry.axiom;
+
+import com.moulberry.axiom.event.AxiomCreateWorldPropertiesEvent;
+import com.moulberry.axiom.world_properties.WorldPropertyCategory;
+import com.moulberry.axiom.world_properties.WorldPropertyWidgetType;
+import com.moulberry.axiom.world_properties.server.ServerWorldProperty;
+import net.kyori.adventure.text.Component;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.util.Unit;
+import org.bukkit.World;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+
+import java.util.List;
+
+public class WorldPropertiesExample implements Listener {
+
+    @EventHandler
+    public void onCreateWorldProperties(AxiomCreateWorldPropertiesEvent event) {
+        WorldPropertyCategory category = new WorldPropertyCategory("Examples", false);
+
+        World world = event.getWorld();
+
+        ServerWorldProperty<Boolean> checkbox = new ServerWorldProperty<>(new ResourceLocation("axiom:checkbox"),
+            "Checkbox",
+            false, WorldPropertyWidgetType.CHECKBOX, false, bool -> {
+            world.sendMessage(Component.text("Checkbox: " + bool)); // Do something with input
+            return true; // true to sync with client
+        });
+
+        ServerWorldProperty<Integer> slider = new ServerWorldProperty<>(new ResourceLocation("axiom:slider"),
+            "Slider",
+            false, new WorldPropertyWidgetType.Slider(0, 8), 4, integer -> {
+            world.sendMessage(Component.text("Slider: " + integer)); // Do something with input
+            return true; // true to sync with client
+        });
+
+        ServerWorldProperty<String> textbox = new ServerWorldProperty<>(new ResourceLocation("axiom:textbox"),
+            "Textbox",
+            false, WorldPropertyWidgetType.TEXTBOX, "Hello", string -> {
+            world.sendMessage(Component.text("Textbox: " + string)); // Do something with input
+            return true; // true to sync with client
+        });
+
+        ServerWorldProperty<Unit> button = new ServerWorldProperty<>(new ResourceLocation("axiom:button"),
+            "Button",
+            false, WorldPropertyWidgetType.BUTTON, Unit.INSTANCE, unit -> {
+            world.sendMessage(Component.text("Button pressed")); // Do something with input
+            return true; // true to sync with client
+        });
+
+        event.addCategory(category, List.of(checkbox, slider, textbox, button));
+    }
+
+}

src/main/java/com/moulberry/axiom/event/AxiomCreateWorldPropertiesEvent.java

@@ -0,0 +1,56 @@
+package com.moulberry.axiom.event;
+
+import com.moulberry.axiom.world_properties.WorldPropertyCategory;
+import com.moulberry.axiom.world_properties.server.ServerWorldPropertiesRegistry;
+import com.moulberry.axiom.world_properties.server.ServerWorldProperty;
+import org.bukkit.World;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.List;
+
+public class AxiomCreateWorldPropertiesEvent extends Event implements Cancellable {
+
+    private static final HandlerList HANDLERS = new HandlerList();
+
+    private final World world;
+    private final ServerWorldPropertiesRegistry registry;
+    private boolean cancelled = false;
+
+    public AxiomCreateWorldPropertiesEvent(World world, ServerWorldPropertiesRegistry registry) {
+        this.world = world;
+        this.registry = registry;
+    }
+
+    public World getWorld() {
+        return world;
+    }
+
+    public void addCategory(WorldPropertyCategory category, List<ServerWorldProperty<?>> properties) {
+        this.registry.addCategory(category, properties);
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    public static HandlerList getHandlerList() {
+        return HANDLERS;
+    }
+
+    @Override
+    public @NotNull HandlerList getHandlers() {
+        return HANDLERS;
+    }
+
+}

src/main/java/com/moulberry/axiom/packet/HelloPacketListener.java

@@ -60,7 +60,6 @@ public class HelloPacketListener implements PluginMessageListener {
         // Enable
         FriendlyByteBuf buf = new FriendlyByteBuf(Unpooled.buffer());
         buf.writeBoolean(true);
-        buf.writeByte(0); // todo: world properties
         buf.writeInt(handshakeEvent.getMaxBufferSize()); // Max Buffer Size
         buf.writeBoolean(false); // No source info
         buf.writeBoolean(false); // No source settings

src/main/java/com/moulberry/axiom/packet/SetTimePacketListener.java

@@ -1,6 +1,5 @@
 package com.moulberry.axiom.packet;
 
-import com.moulberry.axiom.event.AxiomFlySpeedChangeEvent;
 import com.moulberry.axiom.event.AxiomTimeChangeEvent;
 import io.netty.buffer.Unpooled;
 import net.minecraft.core.registries.Registries;
@@ -11,7 +10,6 @@ import net.minecraft.world.level.GameRules;
 import net.minecraft.world.level.Level;
 import org.bukkit.Bukkit;
 import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
-import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.messaging.PluginMessageListener;
 import org.jetbrains.annotations.NotNull;
@@ -25,7 +23,7 @@ public class SetTimePacketListener implements PluginMessageListener {
         }
 
         FriendlyByteBuf friendlyByteBuf = new FriendlyByteBuf(Unpooled.wrappedBuffer(message));
-        ResourceKey<Level> key = friendlyByteBuf.readResourceKey(Registries.DIMENSION); // Ignore
+        ResourceKey<Level> key = friendlyByteBuf.readResourceKey(Registries.DIMENSION);
         Integer time = friendlyByteBuf.readNullable(FriendlyByteBuf::readInt);
         Boolean freezeTime = friendlyByteBuf.readNullable(FriendlyByteBuf::readBoolean);
 

src/main/java/com/moulberry/axiom/packet/SetWorldPropertyListener.java

@@ -0,0 +1,53 @@
+package com.moulberry.axiom.packet;
+
+import com.moulberry.axiom.AxiomPaper;
+import com.moulberry.axiom.event.AxiomTimeChangeEvent;
+import com.moulberry.axiom.world_properties.WorldPropertyCategory;
+import com.moulberry.axiom.world_properties.server.ServerWorldPropertiesRegistry;
+import com.moulberry.axiom.world_properties.server.ServerWorldProperty;
+import io.netty.buffer.Unpooled;
+import net.minecraft.core.registries.Registries;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.GameRules;
+import net.minecraft.world.level.Level;
+import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.v1_20_R1.CraftWorld;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.messaging.PluginMessageListener;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.List;
+import java.util.Map;
+
+public class SetWorldPropertyListener implements PluginMessageListener {
+
+    @Override
+    public void onPluginMessageReceived(@NotNull String channel, @NotNull Player player, @NotNull byte[] message) {
+        if (!player.hasPermission("axiom.*")) {
+            return;
+        }
+
+        FriendlyByteBuf friendlyByteBuf = new FriendlyByteBuf(Unpooled.wrappedBuffer(message));
+        ResourceLocation id = friendlyByteBuf.readResourceLocation();
+        int type = friendlyByteBuf.readVarInt();
+        byte[] data = friendlyByteBuf.readByteArray();
+        int updateId = friendlyByteBuf.readVarInt();
+
+        ServerWorldPropertiesRegistry registry = AxiomPaper.PLUGIN.getWorldProperties(player.getWorld());
+        if (registry == null) return;
+
+        ServerWorldProperty<?> property = registry.getById(id);
+        if (property != null && property.getType().getTypeId() == type) {
+            property.update(player.getWorld(), data);
+        }
+
+        FriendlyByteBuf buf = new FriendlyByteBuf(Unpooled.buffer());
+        buf.writeVarInt(updateId);
+        player.sendPluginMessage(AxiomPaper.PLUGIN, "axiom:ack_world_properties",
+            buf.accessByteBufWithCorrectSize());
+    }
+
+}

src/main/java/com/moulberry/axiom/world_properties/WorldPropertyDataType.java

@@ -3,6 +3,7 @@ package com.moulberry.axiom.world_properties;
 import io.netty.buffer.Unpooled;
 import net.minecraft.core.registries.BuiltInRegistries;
 import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.util.Unit;
 import net.minecraft.world.item.Item;
 import net.minecraft.world.level.block.Block;
 
@@ -108,4 +109,21 @@ public abstract class WorldPropertyDataType<T> {
         }
     };
 
+    public static WorldPropertyDataType<Unit> EMPTY = new WorldPropertyDataType<>() {
+        @Override
+        public int getTypeId() {
+            return 5;
+        }
+
+        @Override
+        public byte[] serialize(Unit value) {
+            return new byte[0];
+        }
+
+        @Override
+        public Unit deserialize(byte[] bytes) {
+            return Unit.INSTANCE;
+        }
+    };
+
 }

src/main/java/com/moulberry/axiom/world_properties/WorldPropertyWidgetType.java

@@ -1,23 +1,14 @@
 package com.moulberry.axiom.world_properties;
 
 import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.util.Unit;
 
 public interface WorldPropertyWidgetType<T> {
 
     WorldPropertyDataType<T> dataType();
     void write(FriendlyByteBuf friendlyByteBuf);
 
-    static WorldPropertyWidgetType<?> read(FriendlyByteBuf friendlyByteBuf) {
-        int type = friendlyByteBuf.readVarInt();
-        return switch (type) {
-            case 0 -> CHECKBOX;
-            case 1 -> new Slider(friendlyByteBuf.readInt(), friendlyByteBuf.readInt());
-            case 2 -> TEXTBOX;
-            case 3 -> TIME;
-            default -> throw new RuntimeException("Unknown widget type: " + type);
-        };
-    }
-
     WorldPropertyWidgetType<Boolean> CHECKBOX = new WorldPropertyWidgetType<>() {
         @Override
         public WorldPropertyDataType<Boolean> dataType() {
@@ -68,4 +59,17 @@ public interface WorldPropertyWidgetType<T> {
         }
     };
 
+
+    WorldPropertyWidgetType<Unit> BUTTON = new WorldPropertyWidgetType<>() {
+        @Override
+        public WorldPropertyDataType<Unit> dataType() {
+            return WorldPropertyDataType.EMPTY;
+        }
+
+        @Override
+        public void write(FriendlyByteBuf friendlyByteBuf) {
+            friendlyByteBuf.writeVarInt(4);
+        }
+    };
+
 }

src/main/java/com/moulberry/axiom/world_properties/server/ServerWorldProperty.java

@@ -1,11 +1,14 @@
 package com.moulberry.axiom.world_properties.server;
 
+import com.moulberry.axiom.AxiomPaper;
+import com.moulberry.axiom.world_properties.WorldPropertyCategory;
 import com.moulberry.axiom.world_properties.WorldPropertyDataType;
 import com.moulberry.axiom.world_properties.WorldPropertyWidgetType;
+import io.netty.buffer.Unpooled;
 import net.minecraft.network.FriendlyByteBuf;
 import net.minecraft.resources.ResourceLocation;
-import net.minecraft.server.level.ServerLevel;
-import net.minecraft.server.level.ServerPlayer;
+import org.bukkit.World;
+import org.bukkit.entity.Player;
 
 import java.util.function.Predicate;
 
@@ -36,22 +39,37 @@ public class ServerWorldProperty<T> {
         return this.widget.dataType();
     }
 
-    public void update(ServerLevel serverLevel, byte[] data) {
+    public void update(World world, byte[] data) {
         this.value = this.widget.dataType().deserialize(data);
         if (this.handler.test(this.value)) {
-//            AxiomClientboundSetWorldProperty packet = new AxiomClientboundSetWorldProperty(this.id,
-//                this.widget.dataType().getTypeId(), this.widget.dataType().serialize(this.value));
-
-//            for (ServerPlayer player : serverLevel.players()) {
-//                if (player.hasPermissions(2)) packet.send(player);
-//            }
+            this.sync(world);
         }
     }
 
-    public void setValue(T value) {
+    public void setValueWithoutSyncing(T value) {
         this.value = value;
     }
 
+    public void setValue(World world, T value) {
+        this.value = value;
+        this.sync(world);
+    }
+
+    public void sync(World world) {
+        FriendlyByteBuf buf = new FriendlyByteBuf(Unpooled.buffer());
+
+        buf.writeResourceLocation(this.id);
+        buf.writeVarInt(this.widget.dataType().getTypeId());
+        buf.writeByteArray(this.widget.dataType().serialize(this.value));
+
+        byte[] message = buf.accessByteBufWithCorrectSize();
+        for (Player player : world.getPlayers()) {
+            if (AxiomPaper.PLUGIN.activeAxiomPlayers.contains(player.getUniqueId())) {
+                player.sendPluginMessage(AxiomPaper.PLUGIN, "axiom:set_world_property", message);
+            }
+        }
+    }
+
     public void write(FriendlyByteBuf friendlyByteBuf) {
         friendlyByteBuf.writeResourceLocation(this.id);
         friendlyByteBuf.writeUtf(this.name);