Updated to v1.5.0

Removed previously added feature of "last result" due to improper implementation. Did some refactoring.
Supported Minecraft version: 1.19.2

build.gradle

@@ -1,22 +1,24 @@
-buildscript {
+/*buildscript {
     repositories {
         maven { url = 'https://maven.minecraftforge.net' }
         mavenCentral()
     }
     dependencies {
         classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '5.1.+', changing: true
     }
+}*/
+
+plugins {
+    id "eclipse"
+    id "maven-publish"
+    id "net.minecraftforge.gradle" version "5.1.+"
 }
-apply plugin: 'net.minecraftforge.gradle'
-// Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
-apply plugin: 'eclipse'
-apply plugin: 'maven-publish'
 
-version = '1.4.0'
-group = 'de.ricobrase.chatcalculator' // http://maven.apache.org/guides/mini/guide-naming-conventions.html
+version = '1.5.0'
+group = 'de.ricobrase.chatcalculator'
 archivesBaseName = 'ChatCalculator'
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(8) // Mojang ships Java 8 to end users, so your mod should target Java 8.
+java.toolchain.languageVersion = JavaLanguageVersion.of(17) // Mojang ships Java 8 to end users, so your mod should target Java 8.
 
 println('Java: ' + System.getProperty('java.version') + ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ') Arch: ' + System.getProperty('os.arch'))
 minecraft {
@@ -31,10 +33,10 @@ minecraft {
     //
     // Use non-default mappings at your own risk. they may not always work.
     // Simply re-run your setup task after changing the mappings to update your workspace.
-    mappings channel: 'official', version: '1.16.5'
+    mappings channel: 'official', version: '1.19.2'
     // makeObfSourceJar = false // an Srg named sources jar is made by default. uncomment this to disable.
 
-    // accessTransformer = file('src/main/resources/META-INF/accesstransformer.cfg')
+    accessTransformer = file('src/main/resources/META-INF/accesstransformer.cfg')
 
     // Default run configurations.
     // These can be tweaked, removed, or duplicated as needed.
@@ -54,8 +56,10 @@ minecraft {
             // Please read: https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels
             property 'forge.logging.console.level', 'debug'
 
+            property "forge.enabledGameTestNamespaces", "ChatCalculator"
+
             mods {
-                examplemod {
+                ChatCalculator {
                     source sourceSets.main
                 }
             }
@@ -76,8 +80,26 @@ minecraft {
             // Please read: https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels
             property 'forge.logging.console.level', 'debug'
 
+            property "forge.enabledGameTestNamespaces", "ChatCalculator"
+
+            mods {
+                ChatCalculator {
+                    source sourceSets.main
+                }
+            }
+        }
+
+        gameTestServer {
+            workingDirectory project.file('run')
+
+            property 'forge.logging.markers', 'REGISTRIES'
+
+            property 'forge.logging.console.level', 'debug'
+
+            property 'forge.enabledGameTestNamespaces', 'ChatCalculator'
+
             mods {
-                examplemod {
+                ChatCalculator {
                     source sourceSets.main
                 }
             }
@@ -102,7 +124,7 @@ minecraft {
             args '--mod', 'examplemod', '--all', '--output', file('src/generated/resources/'), '--existing', file('src/main/resources/')
 
             mods {
-                examplemod {
+                ChatCalculator {
                     source sourceSets.main
                 }
             }
@@ -117,7 +139,7 @@ dependencies {
     // Specify the version of Minecraft to use, If this is any group other then 'net.minecraft' it is assumed
     // that the dep is a ForgeGradle 'patcher' dependency. And it's patches will be applied.
     // The userdev artifact is a special name and will get all sorts of transformations applied to it.
-    minecraft 'net.minecraftforge:forge:1.16.5-36.2.34'
+    minecraft 'net.minecraftforge:forge:1.19.2-43.2.0'
 
     // You may put jars on which you depend on in ./libs or you may define them like so..
     // compile "some.group:artifact:version:classifier"
@@ -182,4 +204,8 @@ repositories {
     mavenCentral()
 }
 
+tasks.withType(JavaCompile).configureEach {
+    options.encoding = "UTF-8"
+}
+
 apply from: "https://moddingtutorials.org/applesilicon.gradle"

gradle.properties

@@ -1,4 +1,4 @@
 # Sets default memory used for gradle commands. Can be overridden by user or command line properties.
 # This is required to provide enough memory for the Minecraft decompilation process.
 org.gradle.daemon=false
-mc_version=1.16.5
+mc_version=1.19.2

settings.gradle

@@ -0,0 +1,6 @@
+pluginManagement {
+    repositories {
+        gradlePluginPortal()
+        maven { url = "https://maven.minecraftforge.net/" }
+    }
+}

src/main/java/dev/ricobrase/chatcalculator/ChatCalculatorMod.java

@@ -12,7 +12,8 @@ public class ChatCalculatorMod {
     public static final String MODID = "chatcalculator";
     public static final Logger LOGGER = LogManager.getLogger();
 
-    private void setup(final FMLCommonSetupEvent event) {
+    @SuppressWarnings("unused")
+    private void setup(final FMLCommonSetupEvent ignoredEvent) {
         LOGGER.info(ChatCalculatorMod.NAME + " is initializing...");
     }
 

src/main/java/dev/ricobrase/chatcalculator/TranslationMessages.java

@@ -2,8 +2,7 @@
 
 public enum TranslationMessages {
     GLOBAL_CALC("chat.chatcalculator.globalcalcmessage"),
-    INVALID_CHARACTERS("chat.chatcalculator.invalidcharacters"),
-    NO_PREVIOUS_RESULT("chat.chatcalculator.nopreviousresult");
+    INVALID_CHARACTERS("chat.chatcalculator.invalidcharacters");
 
     private final String translationKey;
     TranslationMessages(String translationKey) {

src/main/java/dev/ricobrase/chatcalculator/Util.java

@@ -1,14 +1,12 @@
 package dev.ricobrase.chatcalculator;
 
-public class Util {
+public final class Util {
     private Util() {
-
     }
 
     public static String convertDoubleToString(double input) {
         if (input == Math.floor(input) && !Double.isInfinite(input) && input <= Integer.MAX_VALUE && input >= Integer.MIN_VALUE) {
-            input = Math.floor(input);
-            return String.format("%d", (int)input);
+            return String.format("%d", (int)Math.floor(input));
         }
         return String.format("%f", input);
     }

src/main/java/dev/ricobrase/chatcalculator/events/ClientChatEventListener.java

@@ -3,77 +3,71 @@
 import dev.ricobrase.chatcalculator.TranslationMessages;
 import dev.ricobrase.chatcalculator.Util;
 import dev.ricobrase.chatcalculator.termsolver.TermSolver;
+import net.minecraft.ChatFormatting;
 import net.minecraft.client.Minecraft;
-import net.minecraft.util.text.StringTextComponent;
-import net.minecraft.util.text.Style;
-import net.minecraft.util.text.TextFormatting;
-import net.minecraft.util.text.TranslationTextComponent;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.Style;
 import net.minecraftforge.client.event.ClientChatEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.common.Mod;
 
 import java.util.Optional;
-import java.util.UUID;
 
 @Mod.EventBusSubscriber(bus = Mod.EventBusSubscriber.Bus.FORGE)
 public class ClientChatEventListener {
 
-    private static String lastResult = null;
-
     @SubscribeEvent
     public static void onClientChatEvent(final ClientChatEvent event) {
 
         String chatMessage = event.getMessage();
 
+        // Double equals (==) escaping
         if(chatMessage.matches("={2}[^=]*")) {
-            event.setMessage(chatMessage.substring(1));
+            event.originalMessage = chatMessage.substring(1);
+            return;
+        }
+
+        if(!chatMessage.matches("=[^=]*")) {
             return;
         }
 
+        processChatCalculationMessage(event);
+    }
+
+    private static void processChatCalculationMessage(final ClientChatEvent clientChatEvent) {
         if(Minecraft.getInstance().player == null) {
             return;
         }
 
-        if(chatMessage.matches("=[^=]*")) {
-            String termToCalculate = chatMessage.substring(1);
-
-            if(termToCalculate.contains("$0")) {
-                if (lastResult == null) {
-                    printTranslatedErrorMessage(TranslationMessages.NO_PREVIOUS_RESULT);
-                    event.setCanceled(true);
-                    return;
-                }
-
-                termToCalculate = termToCalculate.replace("$0", lastResult.replace(',', '.'));
-            }
-
-            Optional<String> postfix = TermSolver.transformInfixToPostfix(termToCalculate);
-            if(postfix.isPresent()) {
-                try {
-                    double result = TermSolver.solvePostfix(postfix.get());
-                    lastResult = Util.convertDoubleToString(result);
-
-                    Minecraft.getInstance().player.sendMessage(new StringTextComponent(termToCalculate), UUID.randomUUID());
-
-                    String resultString = String.format("= %s", Util.convertDoubleToString(result));
-                    Minecraft.getInstance().player.sendMessage(new StringTextComponent(resultString), UUID.randomUUID());
-
-                }catch (NumberFormatException ex) {
-                    printTranslatedErrorMessage(TranslationMessages.INVALID_CHARACTERS);
-                }
-            }else{
-                printTranslatedErrorMessage(TranslationMessages.INVALID_CHARACTERS);
-            }
-            event.setCanceled(true);
+        String termToCalculate = clientChatEvent.getMessage().substring(1);
+
+        Optional<String> postfix = TermSolver.transformInfixToPostfix(termToCalculate);
+        if(postfix.isEmpty()) {
+            printTranslatedErrorMessage(TranslationMessages.INVALID_CHARACTERS);
+            clientChatEvent.setCanceled(true);
+            return;
+        }
+
+        try {
+            double result = TermSolver.solvePostfix(postfix.get());
+
+            Minecraft.getInstance().player.sendSystemMessage(Component.literal(termToCalculate));
+
+            String resultString = String.format("= %s", Util.convertDoubleToString(result));
+            Minecraft.getInstance().player.sendSystemMessage(Component.literal(resultString));
+
+        }catch (NumberFormatException ex) {
+            printTranslatedErrorMessage(TranslationMessages.INVALID_CHARACTERS);
         }
 
+        clientChatEvent.setCanceled(true);
     }
 
     private static void printTranslatedErrorMessage(TranslationMessages message) {
         if(Minecraft.getInstance().player == null) return;
 
-        Style redColor = Style.EMPTY.withColor(TextFormatting.RED);
-        Minecraft.getInstance().player.sendMessage(new TranslationTextComponent(message.getTranslationKey()).setStyle(redColor), UUID.randomUUID());
+        Style redColor = Style.EMPTY.withColor(ChatFormatting.RED);
+        Minecraft.getInstance().player.sendSystemMessage(Component.translatable(message.getTranslationKey()).setStyle(redColor));
     }
 
 

src/main/java/dev/ricobrase/chatcalculator/events/ServerChatEventListener.java

@@ -3,15 +3,17 @@
 import dev.ricobrase.chatcalculator.TranslationMessages;
 import dev.ricobrase.chatcalculator.Util;
 import dev.ricobrase.chatcalculator.termsolver.TermSolver;
-import net.minecraft.entity.player.ServerPlayerEntity;
+import net.minecraft.ChatFormatting;
+import net.minecraft.network.chat.Component;
+import net.minecraft.network.chat.Style;
 import net.minecraft.server.MinecraftServer;
-import net.minecraft.util.text.*;
+import net.minecraft.server.level.ServerPlayer;
 import net.minecraftforge.event.ServerChatEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.common.Mod;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.Optional;
-import java.util.UUID;
 
 @Mod.EventBusSubscriber(bus = Mod.EventBusSubscriber.Bus.FORGE)
 public class ServerChatEventListener {
@@ -24,18 +26,18 @@ public static void onServerChatEvent(ServerChatEvent event) {
             return;
         }
 
-        String chatMessage = event.getMessage();
-        ServerPlayerEntity player = event.getPlayer();
+        String chatMessage = event.getMessage().getString();
+        ServerPlayer player = event.getPlayer();
 
         if(chatMessage.matches("@=[^=]*")) {
             Optional<String> postfix = TermSolver.transformInfixToPostfix(chatMessage.substring(2));
             if(postfix.isPresent()) {
                 try {
                     double result = TermSolver.solvePostfix(postfix.get());
-                    server.getPlayerList().broadcastMessage(new TranslationTextComponent(TranslationMessages.GLOBAL_CALC.getTranslationKey(), player.getDisplayName(), chatMessage.substring(2)), ChatType.CHAT, UUID.randomUUID());
+                    server.getPlayerList().broadcastSystemMessage(Component.translatable(TranslationMessages.GLOBAL_CALC.getTranslationKey(), player.getDisplayName(), chatMessage.substring(2)), false);
 
                     String resultString = String.format("= %s", Util.convertDoubleToString(result));
-                    server.getPlayerList().broadcastMessage(new StringTextComponent(resultString), ChatType.CHAT, UUID.randomUUID());
+                    server.getPlayerList().broadcastSystemMessage(Component.literal(resultString), false);
 
                 }catch (NumberFormatException ex) {
                     printTranslatedErrorMessage(player, TranslationMessages.INVALID_CHARACTERS);
@@ -47,9 +49,10 @@ public static void onServerChatEvent(ServerChatEvent event) {
         }
     }
 
-    private static void printTranslatedErrorMessage(ServerPlayerEntity player, TranslationMessages message) {
-        Style redColor = Style.EMPTY.withColor(TextFormatting.RED);
-        player.sendMessage(new TranslationTextComponent(message.getTranslationKey()).setStyle(redColor), UUID.randomUUID());
+    @SuppressWarnings("SameParameterValue")
+    private static void printTranslatedErrorMessage(@NotNull ServerPlayer player, @NotNull TranslationMessages message) {
+        Style redColor = Style.EMPTY.withColor(ChatFormatting.RED);
+        player.sendSystemMessage(Component.translatable(message.getTranslationKey(), redColor));
     }
 
 }