Add placeholder for player balance

build.gradle

@@ -17,7 +17,10 @@ repositories {
     // Loom adds the essential maven repositories to download Minecraft and libraries from automatically.
     // See https://docs.gradle.org/current/userguide/declaring_repositories.html
     // for more information about repositories.
-    maven { url 'https://maven.nucleoid.xyz' }
+    maven {
+        url 'https://maven.nucleoid.xyz'
+        name "Nucleoid"
+    }
 
     maven {
         url 'https://kneelawk.com/maven/'
@@ -47,6 +50,7 @@ dependencies {
     modImplementation include("eu.pb4:polymer-virtual-entity:${project.polymer_version}")
     include(modImplementation("xyz.nucleoid:server-translations-api:${project.server_translations_api_version}"))
     modImplementation include("eu.pb4:sgui:${project.servergui_version}")
+    modImplementation include("eu.pb4:placeholder-api:${project.placeholder_api}")
 
 }
 

gradle.properties

@@ -6,7 +6,7 @@ minecraft_version=1.21.1
 yarn_mappings=1.21.1+build.3
 loader_version=0.16.2
 # Mod Properties
-mod_version=1.4.9
+mod_version=1.5.0
 maven_group=systems.brn
 archives_base_name=servershop
 # Dependencies
@@ -17,4 +17,5 @@ fabric_version=0.102.1+1.21.1
 # Dependencies
 polymer_version=0.9.9+1.21
 server_translations_api_version=2.3.1+1.21-pre2
-servergui_version=1.6.0+1.21
+servergui_version=1.6.0+1.21
+placeholder_api=2.4.1+1.21

src/main/java/systems/brn/servershop/ServerShop.java

@@ -1,11 +1,16 @@
 package systems.brn.servershop;
 
+import eu.pb4.placeholders.api.PlaceholderHandler;
+import eu.pb4.placeholders.api.PlaceholderResult;
+import eu.pb4.placeholders.api.Placeholders;
 import eu.pb4.polymer.resourcepack.api.PolymerResourcePackUtils;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
 import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
+import net.minecraft.util.Identifier;
 import systems.brn.servershop.commands.*;
+import systems.brn.servershop.lib.BalancePlaceholder;
 import systems.brn.servershop.lib.EventHandler;
 import systems.brn.servershop.lib.storages.AuctionStorage;
 import systems.brn.servershop.lib.storages.BalanceStorage;
@@ -21,11 +26,15 @@ public class ServerShop implements ModInitializer {
     @Override
     public void onInitialize() {
         ServerLifecycleEvents.SERVER_STARTED.register(EventHandler::onServerStarted);
+
         ServerLifecycleEvents.SERVER_STOPPED.register(EventHandler::onServerStopped);
         ServerPlayConnectionEvents.JOIN.register(EventHandler::onPlayerJoin);
 
         CommandRegistrationCallback.EVENT.register(CommandRegistry::commandRegister);
 
+        BalancePlaceholder balancePlaceholder = new BalancePlaceholder();
+        Placeholders.register(Identifier.of(MOD_ID, "balance"), balancePlaceholder);
+
 
         PolymerResourcePackUtils.addModAssets(MOD_ID);
         PolymerResourcePackUtils.markAsRequired();

src/main/java/systems/brn/servershop/lib/BalancePlaceholder.java

@@ -0,0 +1,23 @@
+package systems.brn.servershop.lib;
+
+import eu.pb4.placeholders.api.PlaceholderContext;
+import eu.pb4.placeholders.api.PlaceholderHandler;
+import eu.pb4.placeholders.api.PlaceholderResult;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.text.Text;
+import org.jetbrains.annotations.Nullable;
+import systems.brn.servershop.lib.storages.PriceStorage;
+
+import static systems.brn.servershop.ServerShop.balanceStorage;
+
+public class BalancePlaceholder implements PlaceholderHandler {
+    @Override
+    public PlaceholderResult onPlaceholderRequest(PlaceholderContext context, @Nullable String argument) {
+        ServerPlayerEntity player = context.player();
+        long balance = 0;
+        if (balanceStorage != null && player != null) {
+            balance = balanceStorage.getBalance(player);
+        }
+        return PlaceholderResult.value(Text.translatable("gui.servershop.balance.editor.value", balance));
+    }
+}