Fix

Author: Spectrall368

src/main/resources/neoforge-1.20.4/utils/mcitems.ftl

@@ -169,15 +169,15 @@
     <#return (extension?has_content)?then("_" + extension, "")>
 </#function>
 
-<#function mappedMCItemToItemObjectJSON mappedBlock>
+<#function mappedMCItemToItemObjectJSON mappedBlock itemKey="item">
     <#if mappedBlock.getUnmappedValue().startsWith("CUSTOM:")>
         <#assign customelement = generator.getRegistryNameFromFullName(mappedBlock.getUnmappedValue())!""/>
         <#if customelement?has_content>
-            <#return "\"item\": \"" + "${modid}:" + customelement
+            <#return "\"" + itemKey + "\": \"" + "${modid}:" + customelement
             + transformExtension(mappedBlock)
             + "\"">
         <#else>
-            <#return "\"item\": \"minecraft:air\"">
+            <#return "\"" + itemKey + "\": \"minecraft:air\"">
         </#if>
     <#elseif mappedBlock.getUnmappedValue().startsWith("TAG:")>
         <#return "\"tag\": \"" + mappedBlock.getUnmappedValue().replace("TAG:", "").replace("mod:", modid + ":")?lower_case + "\"">
@@ -186,9 +186,9 @@
         <#if mapped.startsWith("#")>
             <#return "\"tag\": \"" + mapped.replace("#", "") + "\"">
         <#elseif mapped.contains(":")>
-            <#return "\"item\": \"" + mapped + "\"">
+            <#return "\"" + itemKey + "\": \"" + mapped + "\"">
         <#else>
-            <#return "\"item\": \"minecraft:" + mapped + "\"">
+            <#return "\"" + itemKey + "\": \"minecraft:" + mapped + "\"">
         </#if>
     </#if>
 </#function>
@@ -318,6 +318,9 @@
                             <#assign properties += [{"name": "axis", "value": "y"}] />
                         </#if>
                     </#if>
+                    <#list ge.customProperties as prop>
+                        <#assign properties += [{"name": prop.property().getName().replace("CUSTOM:", ""), "value": prop.value()}] />
+                    </#list>
                 </#if>
             </#if>