Work on actually looking into block model geometry/handheld/texture info

src/main/java/org/geysermc/packgenerator/GeyserMappingsGenerator.java

@@ -21,6 +21,7 @@ public class GeyserMappingsGenerator implements ClientModInitializer {
     private final PackManager packManager = new PackManager();
     private final PackMapper packMapper = new PackMapper(packManager);
 
+    // TODO export language overrides
     @Override
     public void onInitializeClient() {
         ClientCommandRegistrationCallback.EVENT.register((dispatcher, buildContext) -> PackGeneratorCommand.register(dispatcher, packManager, packMapper));

src/main/java/org/geysermc/packgenerator/accessor/BlockModelWrapperLocationAccessor.java

@@ -2,7 +2,7 @@ package org.geysermc.packgenerator.accessor;
 
 import net.minecraft.resources.ResourceLocation;
 
-// Implemented on BlockModelWrapper, since this class doesn't store its model, we have to store it manually
+// Implemented on BlockModelWrapper, since this class doesn't store its model after baking, we have to store it manually
 public interface BlockModelWrapperLocationAccessor {
 
     ResourceLocation geyser_mappings_generator$getModelOrigin();

src/main/java/org/geysermc/packgenerator/accessor/ResolvedModelAccessor.java

@@ -0,0 +1,12 @@
+package org.geysermc.packgenerator.accessor;
+
+import net.minecraft.client.resources.model.ResolvedModel;
+import net.minecraft.resources.ResourceLocation;
+
+import java.util.Optional;
+
+// Implemented on ModelManager, since this class doesn't keep the resolved models after baking, we have to store it manually
+public interface ResolvedModelAccessor {
+
+    Optional<ResolvedModel> geyser_mappings_generator$getResolvedModel(ResourceLocation location);
+}

src/main/java/org/geysermc/packgenerator/accessor/SelectItemModelCasesAccessor.java

@@ -3,7 +3,7 @@ package org.geysermc.packgenerator.accessor;
 import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
 import net.minecraft.client.renderer.item.ItemModel;
 
-// Implemented on BlockModelWrapper, since this class doesn't store the cases it has in a nice format, we have to store it manually
+// Implemented on BlockModelWrapper, since this class doesn't store the cases it has in a nice format after baking, we have to store it manually
 public interface SelectItemModelCasesAccessor<T> {
 
     Object2ObjectMap<T, ItemModel> geyser_mappings_generator$getCases();

src/main/java/org/geysermc/packgenerator/mapping/geyser/GeyserItemMapper.java

@@ -24,6 +24,7 @@ import net.minecraft.world.item.CrossbowItem;
 import net.minecraft.world.item.equipment.trim.TrimMaterial;
 import net.minecraft.world.level.Level;
 import org.geysermc.packgenerator.accessor.BlockModelWrapperLocationAccessor;
+import org.geysermc.packgenerator.accessor.ResolvedModelAccessor;
 import org.geysermc.packgenerator.accessor.SelectItemModelCasesAccessor;
 import org.geysermc.packgenerator.mapping.geyser.predicate.GeyserConditionPredicate;
 import org.geysermc.packgenerator.mapping.geyser.predicate.GeyserMatchPredicate;
@@ -41,18 +42,27 @@ public class GeyserItemMapper {
     public static Stream<GeyserSingleDefinition> mapItem(ResourceLocation modelLocation, String displayName, int protectionValue, DataComponentPatch componentPatch,
                                                          ProblemReporter reporter) {
         ItemModel model = Minecraft.getInstance().getModelManager().getItemModel(modelLocation);
-        MappingContext context = new MappingContext(List.of(), modelLocation, displayName, protectionValue, componentPatch, reporter.forChild(() -> "model " + modelLocation + " "));
+        MappingContext context = new MappingContext(List.of(), modelLocation, displayName, protectionValue, componentPatch, reporter.forChild(() -> "client item definition " + modelLocation + " "));
         return mapItem(model, context);
     }
 
     private static Stream<GeyserSingleDefinition> mapItem(ItemModel model, MappingContext context) {
         switch (model) {
             case BlockModelWrapper modelWrapper -> {
-                ResourceLocation itemModel = ((BlockModelWrapperLocationAccessor) modelWrapper).geyser_mappings_generator$getModelOrigin();
-                if (itemModel.getNamespace().equals(ResourceLocation.DEFAULT_NAMESPACE)) {
-                    itemModel = ResourceLocation.fromNamespaceAndPath("geyser_mc", itemModel.getPath());
-                }
-                return Stream.of(context.create(itemModel));
+                ResourceLocation itemModelLocation = ((BlockModelWrapperLocationAccessor) modelWrapper).geyser_mappings_generator$getModelOrigin();
+
+                return ((ResolvedModelAccessor) Minecraft.getInstance().getModelManager()).geyser_mappings_generator$getResolvedModel(itemModelLocation)
+                        .map(itemModel -> {
+                            ResourceLocation bedrockIdentifier = itemModelLocation;
+                            if (bedrockIdentifier.getNamespace().equals(ResourceLocation.DEFAULT_NAMESPACE)) {
+                                bedrockIdentifier = ResourceLocation.fromNamespaceAndPath("geyser_mc", itemModelLocation.getPath());
+                            }
+                            return Stream.of(context.create(bedrockIdentifier));
+                        })
+                        .orElseGet(() -> {
+                            context.reporter.report(() -> "missing block model " + itemModelLocation);
+                            return Stream.empty();
+                        });
             }
             case ConditionalItemModel conditional -> {
                 return mapConditionalModel(conditional, context.child("condition " + conditional + " "));

src/main/java/org/geysermc/packgenerator/mapping/geyser/GeyserSingleDefinition.java

@@ -15,6 +15,7 @@ import java.util.function.Function;
 
 // TODO other keys, etc.
 // TODO sometimes still includes components key when patch before filtering is not empty but after is
+// TODO display name can be a component
 public record GeyserSingleDefinition(Optional<ResourceLocation> model, ResourceLocation bedrockIdentifier, Optional<String> displayName,
                                      List<GeyserPredicate> predicates, BedrockOptions bedrockOptions, DataComponentPatch components) implements GeyserMapping {
     private static final List<DataComponentType<?>> SUPPORTED_COMPONENTS = List.of(DataComponents.CONSUMABLE, DataComponents.EQUIPPABLE, DataComponents.FOOD,

src/main/java/org/geysermc/packgenerator/mixin/ModelManagerMixin.java

@@ -0,0 +1,41 @@
+package org.geysermc.packgenerator.mixin;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.resources.model.ModelManager;
+import net.minecraft.client.resources.model.ResolvedModel;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.packs.resources.PreparableReloadListener;
+import org.geysermc.packgenerator.accessor.ResolvedModelAccessor;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.Map;
+import java.util.Optional;
+import java.util.concurrent.CompletableFuture;
+
+@Mixin(ModelManager.class)
+public abstract class ModelManagerMixin implements PreparableReloadListener, AutoCloseable, ResolvedModelAccessor {
+    @Unique
+    private Map<ResourceLocation, ResolvedModel> unbakedResolvedModels;
+
+    @WrapOperation(method = "method_65753", at = @At(value = "INVOKE", target = "Ljava/util/concurrent/CompletableFuture;join()Ljava/lang/Object;", ordinal = 0))
+    private static Object setResolvedModels(CompletableFuture<?> instance, Operation<Object> original) {
+        Object resolved = original.call(instance);
+        try {
+            // Couldn't be bothered setting up access wideners, this resolves the second component of the ResolvedModels record, which is called "models"
+            ((ModelManagerMixin) (Object) Minecraft.getInstance().getModelManager()).unbakedResolvedModels = (Map<ResourceLocation, ResolvedModel>) resolved.getClass().getRecordComponents()[1].getAccessor().invoke(resolved);
+        } catch (IllegalAccessException | InvocationTargetException | ClassCastException exception) {
+            throw new RuntimeException(exception);
+        }
+        return resolved;
+    }
+
+    @Override
+    public Optional<ResolvedModel> geyser_mappings_generator$getResolvedModel(ResourceLocation location) {
+        return unbakedResolvedModels == null ? Optional.empty() : Optional.ofNullable(unbakedResolvedModels.get(location));
+    }
+}

src/main/resources/geyser-mappings-generator.mixins.json

@@ -9,6 +9,7 @@
     "BlockModelWrapperMixin$UnbakedMixin",
     "ConditionalItemModelAccessor",
     "EntityRenderDispatcherAccessor",
+    "ModelManagerMixin",
     "SelectItemModelAccessor",
     "SelectItemModelMixin",
     "SelectItemModelMixin$UnbakedSwitchMixin",