尝试魔改渲染

src/generated/resources/assets/superbwarfare/models/item/rpg.json

@@ -5,23 +5,8 @@
   "gui_light": "front",
   "loader": "neoforge:separate_transforms",
   "perspectives": {
-    "fixed": {
-      "parent": "superbwarfare:lod/rpg"
-    },
-    "ground": {
-      "parent": "superbwarfare:lod/rpg"
-    },
     "gui": {
       "parent": "superbwarfare:item/rpg_icon"
-    },
-    "head": {
-      "parent": "superbwarfare:lod/rpg"
-    },
-    "thirdperson_lefthand": {
-      "parent": "superbwarfare:lod/rpg"
-    },
-    "thirdperson_righthand": {
-      "parent": "superbwarfare:lod/rpg"
     }
   }
 }

src/main/java/com/atsuishio/superbwarfare/client/renderer/gun/RpgItemRenderer.java

@@ -34,12 +34,12 @@ public class RpgItemRenderer extends CustomGunRenderer<RpgItem> {
         var player = mc.player;
         if (player == null) return;
         ItemStack itemStack = player.getMainHandItem();
-        if (!(itemStack.getItem() instanceof GunItem)) return;
+        if (itemStack.getItem() instanceof GunItem) {
-
             AnimationHelper.handleShootFlare(name, stack, itemStack, bone, buffer, packedLightIn, 0, 0, 0.625, 0.7);
+        }
 
         if (renderingArms) {
-            AnimationHelper.renderArms(player, this.transformType, stack, name, bone, this.currentBuffer, type, packedLightIn, false);
+            AnimationHelper.renderArms(player, this.renderPerspective, stack, name, bone, buffer, type, packedLightIn, false);
         }
         super.renderRecursively(stack, animatable, bone, type, buffer, bufferIn, isReRender, partialTick, packedLightIn, packedOverlayIn, color);
     }

src/main/java/com/atsuishio/superbwarfare/item/gun/GunItem.java

@@ -96,6 +96,11 @@ public abstract class GunItem extends Item implements CustomRendererItem, GeoIte
         return Mth.hsvToRgb((float) f / 3.0F, 1.0F, 1.0F);
     }
 
+    @Override
+    public boolean isPerspectiveAware() {
+        return true;
+    }
+
     @Override
     @ParametersAreNonnullByDefault
     public boolean canAttackBlock(BlockState pState, Level pLevel, BlockPos pPos, Player pPlayer) {

src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/RpgItem.java

@@ -18,11 +18,13 @@ import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.inventory.tooltip.TooltipComponent;
 import net.minecraft.world.item.Item;
+import net.minecraft.world.item.ItemDisplayContext;
 import net.minecraft.world.item.ItemStack;
 import net.minecraft.world.item.Rarity;
 import net.minecraft.world.level.Level;
 import org.jetbrains.annotations.NotNull;
 import software.bernie.geckolib.animation.*;
+import software.bernie.geckolib.constant.DataTickets;
 import software.bernie.geckolib.renderer.GeoItemRenderer;
 
 import javax.annotation.ParametersAreNonnullByDefault;
@@ -55,6 +57,9 @@ public class RpgItem extends GunItem {
         if (!(stack.getItem() instanceof GunItem)) return PlayState.STOP;
         var data = GunData.from(stack);
 
+        if (event.getData(DataTickets.ITEM_RENDER_PERSPECTIVE) != ItemDisplayContext.FIRST_PERSON_RIGHT_HAND)
+            return event.setAndContinue(RawAnimation.begin().thenLoop("animation.rpg.idle"));
+
         if (data.reload.empty()) {
             return event.setAndContinue(RawAnimation.begin().thenPlayAndHold("animation.rpg.reload"));
         }