feat: add mixin processor for PowderSnowBlock

Signed-off-by: AlasDiablo <[email protected]>

build.gradle

@@ -1,14 +1,17 @@
 buildscript {
     repositories {
         maven { url = 'https://maven.minecraftforge.net' }
+        maven { url = 'https://repo.spongepowered.org/maven' }
         mavenCentral()
     }
     dependencies {
         classpath group: 'net.minecraftforge.gradle', name: 'ForgeGradle', version: '5.1.+', changing: true
+        classpath 'org.spongepowered:mixingradle:0.7-SNAPSHOT'
     }
 }
 apply plugin: 'net.minecraftforge.gradle'
 apply plugin: 'eclipse'
+apply plugin: 'org.spongepowered.mixin'
 apply plugin: 'maven-publish'
 
 // ***************************************** //
@@ -17,25 +20,14 @@ apply plugin: 'maven-publish'
 //                                           //
 // ***************************************** //
 def majorVersion = 3
-def minorVersion = 2
-def buildVersion = 22
+def minorVersion = 3
+def buildVersion = 23
 def isExperimental = false
 version = "${majorVersion}.${minorVersion}.${buildVersion}"
 if (isExperimental) {
     version += '-experimental'
 }
 
-// ***************************************** //
-//                                           //
-//         Janoeo versioning system          //
-//                                           //
-// ***************************************** //
-def isJanoeo = false
-def janoeoProjectVersion = 6
-if (isJanoeo) {
-    version = "${janoeoProjectVersion}.${version}"
-}
-
 group = 'fr.alasdiablo.diolib'
 archivesBaseName = 'DiaboloLib'
 
@@ -46,7 +38,8 @@ def manifestAttributes = [
         "Implementation-Title"    : project.name,
         "Implementation-Version"  : project.jar.archiveVersion,
         "Implementation-Vendor"   : "AlasDiablo, Safyrus",
-        "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ")
+        "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
+        "MixinConfigs": "diolib.mixins.json"
 ]
 
 def outputFolder = file(rootProject.getRootDir().getPath() + '/output')
@@ -64,6 +57,7 @@ minecraft {
             workingDirectory project.file('run')
             property 'forge.logging.markers', 'REGISTRIES'
             property 'forge.logging.console.level', 'debug'
+            arg "-mixin.config=diolib.mixins.json"
             mods {
                 diolib {
                     source sourceSets.main
@@ -75,6 +69,7 @@ minecraft {
             workingDirectory project.file('run')
             property 'forge.logging.markers', 'REGISTRIES'
             property 'forge.logging.console.level', 'debug'
+            arg "-mixin.config=diolib.mixins.json"
             mods {
                 diolib {
                     source sourceSets.main
@@ -86,7 +81,7 @@ minecraft {
             workingDirectory project.file('run')
             property 'forge.logging.markers', 'REGISTRIES'
             property 'forge.logging.console.level', 'debug'
-            args '--mod', 'diolib', '--all', '--output', file('src/generated/resources/'), '--existing', file('src/main/resources/')
+            args '-mixin.config=diolib.mixins.json', '--mod', 'diolib', '--all', '--output', file('src/generated/resources/'), '--existing', file('src/main/resources/')
             mods {
                 diolib {
                     source sourceSets.main
@@ -96,13 +91,18 @@ minecraft {
     }
 }
 
+mixin {
+    add sourceSets.main, 'diolib.mixins.refmap.json'
+}
+
 sourceSets.main.resources { srcDir 'src/generated/resources' }
 
 repositories {
 }
 
 dependencies {
     minecraft 'net.minecraftforge:forge:1.18.1-39.0.17'
+    annotationProcessor 'org.spongepowered:mixin:0.8.4:processor'
 }
 
 jar {

changelog.md

@@ -1,3 +1,7 @@
+### 3.3.23
+
++ Add mixin processor to add more element into `PowderSnowBlock.canEntityWalkOnPowderSnow`
+
 ### 3.2.22
 
 + Add missing element into SimpleUnicode

src/main/java/fr/alasdiablo/diolib/DiaboloLib.java

@@ -2,8 +2,11 @@
 
 import fr.alasdiablo.diolib.config.DiaboloLibConfig;
 import fr.alasdiablo.diolib.event.FireworkEvent;
+import fr.alasdiablo.diolib.tag.DioTags;
 import net.minecraftforge.common.MinecraftForge;
 import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.event.lifecycle.FMLCommonSetupEvent;
+import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -17,5 +20,10 @@ public class DiaboloLib {
     public DiaboloLib() {
         MinecraftForge.EVENT_BUS.addListener(FireworkEvent.FIREWORK_EVENT::onEvent);
         DiaboloLibConfig.init();
+        FMLJavaModLoadingContext.get().getModEventBus().addListener(this::setup);
+    }
+
+    private void setup(final FMLCommonSetupEvent commonSetupEvent) {
+        DioTags.init();
     }
 }

src/main/java/fr/alasdiablo/diolib/mixin/PowderSnowBlockMixin.java

@@ -0,0 +1,28 @@
+package fr.alasdiablo.diolib.mixin;
+
+import fr.alasdiablo.diolib.tag.DioTags;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.EquipmentSlot;
+import net.minecraft.world.entity.LivingEntity;
+import net.minecraft.world.level.block.PowderSnowBlock;
+import org.jetbrains.annotations.NotNull;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(value = PowderSnowBlock.class, priority = 0)
+public class PowderSnowBlockMixin {
+
+    @Inject(method = "canEntityWalkOnPowderSnow", at = @At("RETURN"), cancellable = true)
+    private static void canEntityWalkOnPowderSnow(Entity entity, @NotNull CallbackInfoReturnable<Boolean> callback) {
+        if (!callback.getReturnValue()) {
+            if (entity instanceof LivingEntity livingEntity) {
+                var boots = livingEntity.getItemBySlot(EquipmentSlot.FEET);
+                if (DioTags.BOOTS_WALK_ON_POWDER_SNOW.contains(boots.getItem())) {
+                    callback.setReturnValue(true);
+                }
+            }
+        }
+    }
+}

src/main/java/fr/alasdiablo/diolib/tag/DioTags.java

@@ -0,0 +1,18 @@
+package fr.alasdiablo.diolib.tag;
+
+import fr.alasdiablo.diolib.DiaboloLib;
+import fr.alasdiablo.diolib.registries.RegistryHelper;
+import net.minecraft.tags.ItemTags;
+import net.minecraft.world.item.Item;
+import net.minecraftforge.common.Tags;
+import org.jetbrains.annotations.NotNull;
+
+public class DioTags {
+    public static final Tags.IOptionalNamedTag<Item> BOOTS_WALK_ON_POWDER_SNOW = tag("boots_walk_on_powder_snow");
+
+    public static void init() {}
+
+    private static @NotNull Tags.IOptionalNamedTag<Item> tag(String name) {
+        return ItemTags.createOptional(RegistryHelper.rl(DiaboloLib.MOD_ID, name));
+    }
+}

src/main/resources/diolib.mixins.json

@@ -0,0 +1,13 @@
+{
+  "minVersion": "0.8",
+  "required": true,
+  "compatibilityLevel": "JAVA_17",
+  "refmap": "diolib.mixins.refmap.json",
+  "package": "fr.alasdiablo.diolib.mixin",
+  "mixins": [
+    "PowderSnowBlockMixin"
+  ],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}