Fix

Author: Spectrall368

src/main/resources/neoforge-1.20.4/procedures/entity_add_modifier.java.ftl

@@ -1,8 +1,7 @@
-<#include "mcelements.ftl">
 <#assign attr = generator.map(field$attribute, "attributes")>
 if (${input$entity} instanceof LivingEntity _entity) {
-	AttributeModifier modifier = new AttributeModifier(${toResourceLocation('"' + modid + ':' + field$name + '"')}, ${input$value}, AttributeModifier.Operation.${field$operation});
-	if (!_entity.getAttribute(${attr}).hasModifier(modifier.id())) {
+	AttributeModifier modifier = new AttributeModifier(${'"' + modid + ':' + field$name + '"'}, ${input$value}, AttributeModifier.Operation.${field$operation?replace("ADD_VALUE", "ADDITION")?replace("ADD_MULTIPLIED_BASE", "MULTIPLY_BASE")?replace("ADD_MULTIPLIED_TOTAL", "MULTIPLY_TOTAL")});
+	if (_entity.getAttribute(${attr}).getModifiers().stream().noneMatch((e) -> e.name().equals(modifier.name()))) {
 		<#if field$permanent == "TRUE">
 			_entity.getAttribute(${attr}).addPermanentModifier(modifier);
 		<#else>

src/main/resources/neoforge-1.20.4/procedures/entity_has_modifier.java.ftl

@@ -1,3 +1,2 @@
-<#include "mcelements.ftl">
 (${input$entity} instanceof LivingEntity _livingEntity${cbi} && _livingEntity${cbi}.getAttribute(${generator.map(field$attribute, "attributes")})
-	.hasModifier(${toResourceLocation('"' + modid + ':' + field$name + '"')}))
+	.getModifiers().stream().anyMatch((e) -> e.name().equals(${'"' + modid + ':' + field$name + '"'})))

src/main/resources/neoforge-1.20.4/procedures/entity_remove_modifier.java.ftl

@@ -1,4 +1,5 @@
-<#include "mcelements.ftl">
 if (${input$entity} instanceof LivingEntity _entity) {
-	_entity.getAttribute(${generator.map(field$attribute, "attributes")}).removeModifier(${toResourceLocation('"' + modid + ':' + field$name + '"')});
+	_entity.getAttribute(${generator.map(field$attribute, "attributes")}).getModifiers().forEach((_attribute) -> {
+        if(_attribute.name().equals(${'"' + modid + ':' + field$name + '"'})) _entity.getAttribute(${generator.map(field$attribute, "attributes")}).removeModifier(_attribute);
+	});
 }

src/main/resources/neoforge-1.20.4/templates/gui/gui_container.java.ftl

@@ -306,7 +306,7 @@ public class ${name}Menu extends AbstractContainerMenu implements ${JavaModName}
 
 	<#if hasProcedure(data.onTick)>
 	@SubscribeEvent public static void onPlayerTick(TickEvent.PlayerTickEvent event) {
-		Player entity = event.getEntity();
+		Player entity = event.player;
 		if(event.phase == TickEvent.Phase.END && entity.containerMenu instanceof ${name}Menu menu) {
 			Level world = menu.world;
 			double x = menu.x;

src/main/resources/neoforge-1.20.4/templates/gui/gui_msg_menustate.java.ftl

@@ -67,7 +67,7 @@ package ${package}.network;
 			buffer.writeUtf((String) elementState);
 		} else if (elementType == 1) {
 			buffer.writeBoolean((boolean) elementState);
-		} else if (message.elementType == 2 && message.elementState instanceof Number n) {
+		} else if (elementType == 2 && elementState instanceof Number n) {
 			buffer.writeDouble(n.doubleValue());
 		}
 	}

src/main/resources/neoforge-1.20.4/templates/gui/gui_msg_slider.java.ftl

@@ -55,7 +55,7 @@ package ${package}.network;
 
 	public static void handleData(final ${name}SliderMessage message, final PlayPayloadContext context) {
 		if (context.flow() == PacketFlow.SERVERBOUND) {
-			context.workHandler().submitAsync(() -> handleSliderAction(context.player(), message.sliderID, message.x, message.y, message.z, message.value)).exceptionally(e -> {
+			context.workHandler().submitAsync(() -> handleSliderAction(context.player().get(), message.sliderID, message.x, message.y, message.z, message.value)).exceptionally(e -> {
 				context.packetHandler().disconnect(Component.literal(e.getMessage()));
 				return null;
 			});

src/main/resources/neoforge-1.20.4/templates/gui/gui_window.java.ftl

@@ -343,7 +343,7 @@ public class ${name}Screen extends AbstractContainerScreen<${name}Menu> implemen
 						if (!menuStateUpdateActive)
 							menu.sendMenuStateUpdate(entity, 2, "${component.getName()}", this.getValue(), false);
 						<#if hasProcedure(component.whenSliderMoves)>
-							PacketDistributor.SERVER.with().send(new ${name}SliderMessage(${slid}, x, y, z, this.getValue()));
+							PacketDistributor.SERVER.noArg().send(new ${name}SliderMessage(${slid}, x, y, z, this.getValue()));
 							${name}SliderMessage.handleSliderAction(entity, ${btid}, x, y, z, this.getValue());
 						</#if>
 					}

src/main/resources/neoforge-1.20.4/triggers/entity_change_equipment.java.ftl

@@ -1,5 +1,5 @@
 <#include "procedures.java.ftl">
-@EventBusSubscriber public class ${name}Procedure {
+@Mod.EventBusSubscriber public class ${name}Procedure {
 	@SubscribeEvent public static void whenEntityChangeEquipment(LivingEquipmentChangeEvent event) {
 		<#assign dependenciesCode>
 			<@procedureDependenciesCode dependencies, {

src/main/resources/neoforge-1.20.4/triggers/entity_switch_hand.java.ftl

@@ -1,5 +1,5 @@
 <#include "procedures.java.ftl">
-@EventBusSubscriber public class ${name}Procedure {
+@Mod.EventBusSubscriber public class ${name}Procedure {
 	@SubscribeEvent public static void whenEntitySwitchHand(LivingSwapItemsEvent.Hands event) {
 		<#assign dependenciesCode>
 			<@procedureDependenciesCode dependencies, {