feat: elytra craftable

src/main/java/com/github/zly2006/carpetslsaddition/SLSCarpetSettings.java

@@ -2,7 +2,6 @@ package com.github.zly2006.carpetslsaddition;
 
 import carpet.api.settings.Rule;
 import carpet.api.settings.RuleCategory;
-import net.minecraft.block.RedstoneBlock;
 
 import static com.github.zly2006.carpetslsaddition.ServerMain.CARPET_ID;
 
@@ -55,5 +54,5 @@ public class SLSCarpetSettings {
     public static boolean optimizedOnDragonRespawn = false;
 
     @Rule(categories = {CARPET_ID, RuleCategory.FEATURE})
-    public static boolean printStackTraceOnVillagerSpawn = false;
+    public static boolean elytraCraftable = false;
 }

src/main/java/com/github/zly2006/carpetslsaddition/mixin/datapack/MixinVanillaResourcePackProvider.java

@@ -0,0 +1,36 @@
+package com.github.zly2006.carpetslsaddition.mixin.datapack;
+
+import com.github.zly2006.carpetslsaddition.SLSCarpetSettings;
+import net.minecraft.resource.ResourcePackProfile;
+import net.minecraft.resource.ResourceType;
+import net.minecraft.resource.VanillaResourcePackProvider;
+import org.jetbrains.annotations.Nullable;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.net.URISyntaxException;
+import java.nio.file.Path;
+import java.util.function.BiConsumer;
+import java.util.function.Function;
+
+@Mixin(VanillaResourcePackProvider.class)
+public abstract class MixinVanillaResourcePackProvider {
+    @Shadow protected abstract void forEachProfile(@Nullable Path namespacedPath, BiConsumer<String, Function<String, ResourcePackProfile>> consumer);
+
+    @Shadow @Final private ResourceType type;
+
+    @Inject(
+            method = "forEachProfile(Ljava/util/function/BiConsumer;)V",
+            at = @At("RETURN")
+    )
+    private void andMe(BiConsumer<String, Function<String, ResourcePackProfile>> consumer, CallbackInfo ci) throws URISyntaxException {
+        if (type == ResourceType.SERVER_DATA) {
+            Path path = Path.of(SLSCarpetSettings.class.getClassLoader().getResource("data/slsa/datapacks").toURI());
+            this.forEachProfile(path, consumer);
+        }
+    }
+}

src/main/java/com/github/zly2006/carpetslsaddition/mixin/elytra/MixinElytraItem.java

@@ -0,0 +1,25 @@
+package com.github.zly2006.carpetslsaddition.mixin.elytra;
+
+import com.github.zly2006.carpetslsaddition.SLSCarpetSettings;
+import net.minecraft.item.*;
+import org.spongepowered.asm.mixin.Mixin;
+
+@Mixin(ElytraItem.class)
+public abstract class MixinElytraItem extends Item implements Equipment {
+    public MixinElytraItem(Settings settings) {
+        super(settings);
+    }
+
+    @Override
+    public boolean hasRecipeRemainder() {
+        return SLSCarpetSettings.elytraCraftable;
+    }
+
+    @Override
+    public ItemStack getRecipeRemainder(ItemStack stack) {
+        if (SLSCarpetSettings.elytraCraftable) {
+            return stack;
+        }
+        else return ItemStack.EMPTY;
+    }
+}