feat: make creeper fuse time a gamerule

src/main/java/systems/brn/tweaks/Tweaks.java

@@ -18,6 +18,9 @@ public class Tweaks implements ModInitializer {
     public static final GameRules.Key<GameRules.IntRule> CRITICAL_MULTIPLIER =
             GameRuleRegistry.register("criticalHitMultiplier", GameRules.Category.PLAYER, GameRuleFactory.createIntRule(150, 0, Integer.MAX_VALUE));
 
+    public static final GameRules.Key<GameRules.IntRule> CREEPER_FUSE_TIME =
+            GameRuleRegistry.register("creeperDefaultFuseTime", GameRules.Category.PLAYER, GameRuleFactory.createIntRule(30, 0, Integer.MAX_VALUE));
+
     @Override
     public void onInitialize() {
     }

src/main/java/systems/brn/tweaks/mixin/CreeperEntityMixin.java

@@ -0,0 +1,29 @@
+package systems.brn.tweaks.mixin;
+
+import net.minecraft.entity.EntityType;
+import net.minecraft.entity.mob.CreeperEntity;
+import net.minecraft.server.world.ServerWorld;
+import net.minecraft.world.GameRules;
+import net.minecraft.world.World;
+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.CallbackInfo;
+import systems.brn.tweaks.Tweaks;
+import systems.brn.tweaks.mixin.accessors.CreeperEntityAccessor;
+
+@Mixin(CreeperEntity.class)
+public abstract class CreeperEntityMixin {
+    @Inject(
+            method = "<init>",
+            at = @At("TAIL")
+    )
+    private void onConstructor(EntityType<? extends CreeperEntity> entityType, World world, CallbackInfo ci) {
+        CreeperEntity creeper = (CreeperEntity)(Object)this;
+        if (!world.isClient) {
+            ServerWorld serverWorld = (ServerWorld) world;
+            GameRules.IntRule rule = serverWorld.getGameRules().get(Tweaks.CREEPER_FUSE_TIME);
+            ((CreeperEntityAccessor) creeper).setFuseTime(rule.get());
+        }
+    }
+}

src/main/java/systems/brn/tweaks/mixin/accessors/CreeperEntityAccessor.java

@@ -0,0 +1,14 @@
+package systems.brn.tweaks.mixin.accessors;
+
+import net.minecraft.entity.mob.CreeperEntity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(CreeperEntity.class)
+public interface CreeperEntityAccessor {
+    @Accessor("fuseTime")
+    void setFuseTime(int fuseTime);
+
+    @Accessor("fuseTime")
+    int getFuseTime();
+}

src/main/resources/tweaks.mixins.json

@@ -4,9 +4,11 @@
   "package": "systems.brn.tweaks.mixin",
   "compatibilityLevel": "JAVA_21",
   "mixins": [
+    "CreeperEntityMixin",
     "DontHurtMePearlMixin",
     "JustTeleportAlreadyMixin",
-    "PlayerEntityMixin"
+    "PlayerEntityMixin",
+    "accessors.CreeperEntityAccessor"
   ],
   "injectors": {
     "defaultRequire": 1