feat: automatically fix 1.20 items when switching to 1.21

Common/src/main/java/at/petrak/hexcasting/api/casting/iota/EntityIota.java

@@ -28,7 +28,7 @@
 public class EntityIota extends Iota {
     private final UUID entityId;
     @Nullable
-    private final Component entityName;
+    private Component entityName;
     private boolean isPlayer;
 
     public EntityIota(@NotNull Entity e) {
@@ -115,6 +115,8 @@ public boolean validate(EntityIota iota, ServerLevel level) {
             var entity = iota.getEntity(level);
             // update isPlayer so older non-player entity iotas are not protected
             iota.isPlayer = (entity instanceof Player);
+            if (iota.entityName == null)
+                iota.entityName = getEntityNameWithInline(entity);
             return entity != null;
         }
 

Common/src/main/java/at/petrak/hexcasting/mixin/datafixer/MixinItemStackComponentizationFix.java

@@ -0,0 +1,218 @@
+package at.petrak.hexcasting.mixin.datafixer;
+
+import at.petrak.hexcasting.api.casting.math.HexPattern;
+import at.petrak.hexcasting.api.item.IotaHolderItem;
+import at.petrak.hexcasting.api.item.VariantItem;
+import at.petrak.hexcasting.common.items.magic.ItemMediaHolder;
+import at.petrak.hexcasting.common.items.magic.ItemPackagedHex;
+import com.mojang.serialization.Dynamic;
+
+import java.util.*;
+import java.util.function.Function;
+import java.util.stream.IntStream;
+import java.util.stream.Stream;
+
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.util.datafix.fixes.ItemStackComponentizationFix;
+import net.minecraft.util.datafix.fixes.ItemStackComponentizationFix.ItemStackData;
+import net.minecraft.world.item.Item;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(ItemStackComponentizationFix.class)
+public class MixinItemStackComponentizationFix {
+    @Unique
+    private static final String HEX_TYPE = "hexcasting:type";
+    @Unique
+    private static final String HEX_DATA = "hexcasting:data";
+
+    @Inject(method = "fixItemStack", at = @At("HEAD"))
+    private static void preFixHexItemStack(ItemStackData itemStackData, Dynamic<?> dynamic, CallbackInfo ci) {
+        if (itemStackData.is("hexcasting:slate")) {
+            itemStackData.fixSubTag("BlockEntityTag", false, dynamic0 ->
+                    hexCasting$mapPattern(dynamic0.get("pattern").orElseEmptyMap()));
+            itemStackData.moveTagToComponent("BlockEntityTag", "hexcasting:pattern");
+        }
+    }
+
+    @Inject(method = "fixItemStack", at = @At("TAIL"))
+    private static void fixHexItemStack(ItemStackData itemStackData, Dynamic<?> dynamic, CallbackInfo ci) {
+        Item item = BuiltInRegistries.ITEM.get(ResourceLocation.parse(itemStackData.item));
+
+        if (itemStackData.is(Set.of("hexcasting:focus", "hexcasting:thought_knot"))) {
+            hexCasting$fixIotaHolder(itemStackData, dynamic);
+        }
+        if (itemStackData.is(Set.of("hexcasting:scroll_small", "hexcasting:scroll_medium", "hexcasting:scroll"))) {
+            hexCasting$fixScroll(itemStackData);
+        }
+        if (itemStackData.is("hexcasting:ancient_cypher")) {
+            itemStackData.moveTagToComponent("hex_name", "hexcasting:hex_name");
+        }
+        if (itemStackData.is("hexcasting:abacus")) {
+            itemStackData.moveTagToComponent("value", "hexcasting:abacus_value");
+        }
+        if (itemStackData.is("hexcasting:spellbook")) {
+            hexCasting$fixSpellbook(itemStackData);
+        }
+        if (item instanceof IotaHolderItem) {
+            itemStackData.moveTagToComponent("VisualOverride", "hexcasting:visual_override");
+        }
+        if (item instanceof VariantItem) {
+            itemStackData.moveTagToComponent("variant", "hexcasting:variant");
+        }
+        if (item instanceof ItemPackagedHex) {
+            hexCasting$fixPackagedHex(itemStackData, dynamic);
+        }
+        if (item instanceof ItemMediaHolder) {
+            itemStackData.moveTagToComponent("hexcasting:media", "hexcasting:media");
+            itemStackData.moveTagToComponent("hexcasting:start_media", "hexcasting:start_media");
+        }
+    }
+
+    @Unique
+    private static void hexCasting$fixIotaHolder(ItemStackData itemStackData, Dynamic<?> dynamic) {
+        itemStackData.fixSubTag("data", true, MixinItemStackComponentizationFix::hexCasting$mapIotaData);
+        itemStackData.moveTagToComponent("data", "hexcasting:iota");
+
+        if (itemStackData.removeTag("sealed").asBoolean(false))
+            itemStackData.setComponent("hexcasting:sealed", dynamic.createMap(Map.of()));
+    }
+
+    @Unique
+    private static Dynamic<?> hexCasting$mapIotaData(Dynamic<?> iota) {
+        String iotaType = iota.get(HEX_TYPE).asString("");
+        Dynamic<?> iotaData = iota.get(HEX_DATA).orElseEmptyMap();
+        Map<Dynamic<?>, Dynamic<?>> component = new HashMap<>();
+        component.put(iota.createString("type"), iota.createString(iotaType));
+        switch (iotaType) {
+            case "hexcasting:entity":
+                IntStream uuid = iotaData.get("uuid").asIntStream();
+                // Unfortunately, it seems like we cannot easily fix InlineAPI components, so we will have to live with "an unknown entity"
+                component.put(iota.createString("entityId"), iota.createIntList(uuid));
+                component.put(iota.createString("isPlayer"), iota.createBoolean(true));
+                break;
+            case "hexcasting:boolean", "hexcasting:double":
+                component.put(iota.createString("value"), iotaData);
+                break;
+            case "hexcasting:list":
+                component.put(iota.createString("list"),
+                        iota.createList(iotaData.asStream().map(MixinItemStackComponentizationFix::hexCasting$mapIotaData)));
+                break;
+            case "hexcasting:pattern":
+                component.put(iota.createString("value"), hexCasting$mapPattern(iotaData));
+                break;
+            case "hexcasting:vec3":
+                component.put(iota.createString("value"), hexCasting$mapVec3(iotaData));
+                break;
+            case "hexcasting:continuation":
+                component.put(iota.createString("value"),
+                        iota.createList(iotaData.asStream().map(MixinItemStackComponentizationFix::hexCasting$mapContinuationFrame)));
+                break;
+            case "hexcasting:null", "hexcasting:garbage":
+            default:
+                break;
+        }
+        return iota.createMap(component);
+    }
+
+    @Unique
+    private static final String[] hexCasting$hexDir = {"NORTH_EAST", "EAST", "SOUTH_EAST", "SOUTH_WEST", "WEST", "NORTH_WEST"};
+    @Unique
+    private static final String[] hexCasting$hexAngle = {"w", "e", "d", "s", "a", "q"};
+    @Unique
+    private static Dynamic<?> hexCasting$mapPattern(Dynamic<?> pattern) {
+        Map<Dynamic<?>, Dynamic<?>> patternComponent = new HashMap<>();
+        byte startDir = pattern.get("start_dir").asByte((byte) 0);
+        List<String> angles = pattern.get("angles").asStream()
+                .map(a -> hexCasting$hexAngle[a.asByte((byte) 0)])
+                .toList();
+        patternComponent.put(pattern.createString(HexPattern.TAG_START_DIR), pattern.createString(hexCasting$hexDir[startDir]));
+        patternComponent.put(pattern.createString(HexPattern.TAG_ANGLES), pattern.createString(String.join("", angles)));
+        return pattern.createMap(patternComponent);
+    }
+
+    @Unique
+    private static Dynamic<?> hexCasting$mapVec3(Dynamic<?> iotaData) {
+        double x = iotaData.get("x").asDouble(0);
+        double y = iotaData.get("y").asDouble(0);
+        double z = iotaData.get("z").asDouble(0);
+        return iotaData.createList(Stream.of(iotaData.createDouble(x), iotaData.createDouble(y), iotaData.createDouble(z)));
+    }
+
+    @Unique
+    private static Dynamic<?> hexCasting$mapContinuationFrame(Dynamic<?> frame) {
+        String type = frame.get(HEX_TYPE).asString("");
+        Dynamic<?> frameData = frame.get(HEX_DATA).orElseEmptyMap();
+        Map<Dynamic<?>, Dynamic<?>> component = new HashMap<>();
+        component.put(frame.createString("type"), frame.createString(type));
+        switch (type) {
+            case "hexcasting:evaluate":
+                component.put(frame.createString("patterns"),
+                        frame.createList(frameData.get("patterns").asStream().map(MixinItemStackComponentizationFix::hexCasting$mapIotaData)));
+                component.put(frame.createString("isMetacasting"),
+                        frame.createBoolean(frameData.get("isMetacasting").asBoolean(false)));
+                break;
+            case "hexcasting:foreach":
+                component.put(frame.createString("data"),
+                        frame.createList(frameData.get("data").asStream().map(MixinItemStackComponentizationFix::hexCasting$mapIotaData)));
+                component.put(frame.createString("code"),
+                        frame.createList(frameData.get("code").asStream().map(MixinItemStackComponentizationFix::hexCasting$mapIotaData)));
+                component.put(frame.createString("context"),
+                        frame.createList(frameData.get("base").asStream().map(MixinItemStackComponentizationFix::hexCasting$mapIotaData)));
+                component.put(frame.createString("stashed"),
+                        frame.createList(Stream.of()));
+                component.put(frame.createString("accumulator"),
+                        frame.createList(frameData.get("accumulator").asStream().map(MixinItemStackComponentizationFix::hexCasting$mapIotaData)));
+                break;
+            case "hexcasting:end":
+            default:
+                break;
+        }
+        return frame.createMap(component);
+    }
+
+    @Unique
+    private static Dynamic<?> hexCasting$stringToPlainComponent(Dynamic<?> string) {
+        return string.createMap(Map.of(string.createString("text"), string));
+    }
+
+    @Unique
+    private static void hexCasting$fixScroll(ItemStackData itemStackData) {
+        itemStackData.fixSubTag("pattern", true, MixinItemStackComponentizationFix::hexCasting$mapPattern);
+
+        itemStackData.moveTagToComponent("pattern", "hexcasting:pattern");
+        itemStackData.moveTagToComponent("op_id", "hexcasting:op_id");
+        itemStackData.moveTagToComponent("recalc_warning", "hexcasting:recalc_warning");
+        itemStackData.moveTagToComponent("needs_purchase", "hexcasting:needs_purchase");
+    }
+
+    @Unique
+    private static void hexCasting$fixSpellbook(ItemStackData itemStackData) {
+        itemStackData.moveTagToComponent("page_idx", "hexcasting:page_idx");
+
+        itemStackData.fixSubTag("page_names", true, d0 ->
+            d0.createMap(d0.asMap(Function.identity(), MixinItemStackComponentizationFix::hexCasting$stringToPlainComponent)));
+        itemStackData.moveTagToComponent("page_names", "hexcasting:page_names");
+
+        itemStackData.fixSubTag("pages", true, d0 ->
+            d0.createMap(d0.asMap(Function.identity(), MixinItemStackComponentizationFix::hexCasting$mapIotaData)));
+        itemStackData.moveTagToComponent("pages", "hexcasting:pages");
+
+        itemStackData.moveTagToComponent("sealed_pages", "hexcasting:sealed_pages");
+    }
+
+    @Unique
+    private static void hexCasting$fixPackagedHex(ItemStackData itemStackData, Dynamic<?> dynamic) {
+        Stream<Dynamic<?>> patterns = itemStackData.removeTag("patterns").asStream()
+            .map(MixinItemStackComponentizationFix::hexCasting$mapIotaData);
+        Dynamic<?> pigment = itemStackData.removeTag("pigment").orElseEmptyMap();
+        Dynamic<?> hexHolder = dynamic.createMap(Map.of(
+            dynamic.createString("hex"), dynamic.createList(patterns),
+            dynamic.createString("pigment"), pigment));
+        itemStackData.setComponent("hexcasting:hex_holder", hexHolder);
+    }
+}

Common/src/main/resources/hexplat.accesswidener

@@ -8,3 +8,5 @@ accessible method net/minecraft/world/item/crafting/Ingredient <init> (Ljava/uti
 accessible method net/minecraft/world/item/context/UseOnContext <init> (Lnet/minecraft/world/level/Level;Lnet/minecraft/world/entity/player/Player;Lnet/minecraft/world/InteractionHand;Lnet/minecraft/world/item/ItemStack;Lnet/minecraft/world/phys/BlockHitResult;)V
 accessible method net/minecraft/world/damagesource/DamageSources source (Lnet/minecraft/resources/ResourceKey;)Lnet/minecraft/world/damagesource/DamageSource;
 accessible method net/minecraft/world/damagesource/DamageSources source (Lnet/minecraft/resources/ResourceKey;Lnet/minecraft/world/entity/Entity;)Lnet/minecraft/world/damagesource/DamageSource;
+accessible class net/minecraft/util/datafix/fixes/ItemStackComponentizationFix$ItemStackData
+accessible field net/minecraft/util/datafix/fixes/ItemStackComponentizationFix$ItemStackData item Ljava/lang/String;

Common/src/main/resources/hexplat.mixins.json

@@ -16,7 +16,8 @@
     "accessor.AccessorLivingEntity",
     "accessor.AccessorLootTable",
     "accessor.AccessorUseOnContext",
-    "accessor.AccessorVillager"
+    "accessor.AccessorVillager",
+    "datafixer.MixinItemStackComponentizationFix"
   ],
   "client": [
     "accessor.client.AccessorBlockEntityRenderDispatcher",