铁砧物品可以随着方块旋转了

src/main/java/com/hexdragon/enchrebirth/block/anvil/AnvilRenderer.java

@@ -1,6 +1,7 @@
 package com.hexdragon.enchrebirth.block.anvil;
 
 import com.mojang.blaze3d.matrix.MatrixStack;
+import net.minecraft.block.AnvilBlock;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.IRenderTypeBuffer;
 import net.minecraft.client.renderer.ItemRenderer;
@@ -9,6 +10,7 @@ import net.minecraft.client.renderer.model.ItemCameraTransforms;
 import net.minecraft.client.renderer.tileentity.TileEntityRenderer;
 import net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher;
 import net.minecraft.item.ItemStack;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.vector.Vector3f;
 import net.minecraftforge.api.distmarker.Dist;
 import net.minecraftforge.api.distmarker.OnlyIn;
@@ -19,14 +21,24 @@ import net.minecraftforge.api.distmarker.OnlyIn;
 
     @Override public void render(AnvilTileEntity tileEntityIn, float partialTicks, MatrixStack matrixStackIn, IRenderTypeBuffer bufferIn, int combinedLightIn, int combinedOverlayIn) {
         ItemRenderer itemRenderer = Minecraft.getInstance().getItemRenderer();
+        Direction direction = tileEntityIn.getBlockState().get(AnvilBlock.FACING);
 
         // 渲染左侧的物品
         ItemStack stackLeft = tileEntityIn.getStackInSlot(0);
         if (!stackLeft.isEmpty()) {
             matrixStackIn.push();
-            matrixStackIn.translate(0.7, 0.95, 0.53);
-            matrixStackIn.rotate(Vector3f.XP.rotationDegrees(90.0F));
+            // 根据绝对位置平移到铁砧顶部（必须是完整的 1 格，不能作任何相对移动，否则在旋转后会出现问题）
+            matrixStackIn.translate(0.5, 1, 0.5);
+            // 随着方块朝向一起旋转
+            matrixStackIn.rotate(Vector3f.YP.rotationDegrees(90 - direction.getHorizontalAngle()));
+            // 将物品从竖直摆放旋转到水平
+            matrixStackIn.rotate(Vector3f.XP.rotationDegrees(90));
+            // 根据相对位置重新平移（坐标轴受到 rotate 影响，现在的 xyz 对应实际的 左/前/底）
+            // 由于铁砧改为了 15/16 格高，物品还需要下移 0.05 格（正好就是 0.05 格，我也不知道为啥）
+            matrixStackIn.translate(0.2, 0.04, 0.05);
+            // 装饰性的左右旋转
             matrixStackIn.rotate(Vector3f.ZN.rotationDegrees(5.0F));
+            // 缩小到 0.375 倍（渲染原本均为 1 格大小）
             matrixStackIn.scale(0.375F, 0.375F, 0.375F);
             IBakedModel ibakedmodel = itemRenderer.getItemModelWithOverrides(stackLeft, tileEntityIn.getWorld(), null);
             itemRenderer.renderItem(stackLeft, ItemCameraTransforms.TransformType.FIXED, true, matrixStackIn, bufferIn, combinedLightIn, combinedOverlayIn, ibakedmodel);
@@ -37,8 +49,10 @@ import net.minecraftforge.api.distmarker.OnlyIn;
         ItemStack stackRight = tileEntityIn.getStackInSlot(1);
         if (!stackRight.isEmpty()) {
             matrixStackIn.push();
-            matrixStackIn.translate(0.27, 0.95, 0.44);
-            matrixStackIn.rotate(Vector3f.XP.rotationDegrees(90.0F));
+            matrixStackIn.translate(0.5, 1, 0.5);
+            matrixStackIn.rotate(Vector3f.YP.rotationDegrees(90 - direction.getHorizontalAngle()));
+            matrixStackIn.rotate(Vector3f.XP.rotationDegrees(90));
+            matrixStackIn.translate(-0.23, -0.06, 0.05);
             matrixStackIn.rotate(Vector3f.ZP.rotationDegrees(15.0F));
             matrixStackIn.scale(0.375F, 0.375F, 0.375F);
             IBakedModel ibakedmodel = itemRenderer.getItemModelWithOverrides(stackRight, tileEntityIn.getWorld(), null);