[1.21.4] Fix armor property copying and tintable armor rendering (#1740)

Author: XFactHD

patches/net/minecraft/client/renderer/entity/layers/EquipmentLayerRenderer.java.patch

@@ -4,11 +4,11 @@
          int p_371309_,
          @Nullable ResourceLocation p_371639_
      ) {
-+        p_371731_ = getArmorModelHook(p_371670_, p_387484_, p_371731_);
++        net.neoforged.neoforge.client.extensions.common.IClientItemExtensions extensions = net.neoforged.neoforge.client.extensions.common.IClientItemExtensions.of(p_371670_);
++        p_371731_ = extensions.getGenericArmorModel(p_371670_, p_387484_, p_371731_);
          List<EquipmentClientInfo.Layer> list = this.equipmentAssets.get(p_387603_).getLayers(p_387484_);
          if (!list.isEmpty()) {
 -            int i = p_371670_.is(ItemTags.DYEABLE) ? DyedItemColor.getOrDefault(p_371670_, 0) : 0;
-+            net.neoforged.neoforge.client.extensions.common.IClientItemExtensions extensions = net.neoforged.neoforge.client.extensions.common.IClientItemExtensions.of(p_371670_);
 +            int i = extensions.getDefaultDyeColor(p_371670_);
              boolean flag = p_371670_.hasFoil();
 
@@ -29,17 +29,3 @@
              }
 
              ArmorTrim armortrim = p_371670_.get(DataComponents.TRIM);
-@@ -100,6 +_,13 @@
-         } else {
-             return -1;
-         }
-+    }
-+
-+    /**
-+     * Hook to allow item-sensitive armor model. for HumanoidArmorLayer.
-+     */
-+    protected net.minecraft.client.model.Model getArmorModelHook(ItemStack itemStack, EquipmentClientInfo.LayerType layerType, Model model) {
-+        return net.neoforged.neoforge.client.ClientHooks.getArmorModel(itemStack, layerType, model);
-     }
- 
-     @OnlyIn(Dist.CLIENT)

src/main/java/net/neoforged/neoforge/client/ClientHooks.java

@@ -49,7 +49,6 @@
 import net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent;
 import net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipPositioner;
 import net.minecraft.client.model.HumanoidModel;
-import net.minecraft.client.model.Model;
 import net.minecraft.client.model.geom.ModelLayerLocation;
 import net.minecraft.client.model.geom.builders.LayerDefinition;
 import net.minecraft.client.multiplayer.ClientLevel;
@@ -299,10 +298,6 @@ public static void onBlockColorsInit(BlockColors blockColors) {
         ModLoader.postEvent(new RegisterColorHandlersEvent.Block(blockColors));
     }
 
-    public static Model getArmorModel(ItemStack itemStack, EquipmentClientInfo.LayerType layerType, Model _default) {
-        return IClientItemExtensions.of(itemStack).getGenericArmorModel(itemStack, layerType, _default);
-    }
-
     /** Copies humanoid model properties from the original model to another, used for armor models */
     @SuppressWarnings("unchecked")
     public static <T extends HumanoidRenderState> void copyModelProperties(HumanoidModel<T> original, HumanoidModel<?> replacement) {

src/main/java/net/neoforged/neoforge/client/extensions/common/IClientItemExtensions.java

@@ -15,7 +15,6 @@
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.ItemTags;
-import net.minecraft.util.ARGB;
 import net.minecraft.world.InteractionHand;
 import net.minecraft.world.entity.EquipmentSlot;
 import net.minecraft.world.entity.HumanoidArm;
@@ -25,6 +24,7 @@
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.component.DyedItemColor;
 import net.neoforged.fml.LogicalSide;
+import net.neoforged.neoforge.client.ClientHooks;
 import net.neoforged.neoforge.client.IArmPoseTransformer;
 import org.jetbrains.annotations.Nullable;
 
@@ -116,8 +116,9 @@ default Model getHumanoidArmorModel(ItemStack itemStack, EquipmentClientInfo.Lay
     default Model getGenericArmorModel(ItemStack itemStack, EquipmentClientInfo.LayerType layerType, Model original) {
         Model replacement = getHumanoidArmorModel(itemStack, layerType, original);
         if (replacement != original) {
-            // FIXME: equipment rendering deals with a plain Model now
-            //ClientHooks.copyModelProperties(original, replacement);
+            if (original instanceof HumanoidModel<?> originalHumanoid && replacement instanceof HumanoidModel<?> replacementHumanoid) {
+                ClientHooks.copyModelProperties(originalHumanoid, replacementHumanoid);
+            }
             return replacement;
         }
         return original;
@@ -203,7 +204,7 @@ default int getArmorLayerTintColor(ItemStack stack, EquipmentClientInfo.Layer la
      * @return a default color for the layer, in ARGB format
      */
     default int getDefaultDyeColor(ItemStack stack) {
-        return stack.is(ItemTags.DYEABLE) ? ARGB.opaque(DyedItemColor.getOrDefault(stack, 0)) : 0;
+        return stack.is(ItemTags.DYEABLE) ? DyedItemColor.getOrDefault(stack, 0) : 0;
     }
 
     /**