year 2024, forge still fires events for gui layers which are not rendered

src/main/kotlin/ru/dbotthepony/mc/otm/android/AndroidResearchManager.kt

@@ -134,7 +134,7 @@ object AndroidResearchManager : SimpleJsonResourceReloadListener(GsonBuilder().s
 			}
 
 			context.enqueueWork {
-				minecraft.player?.matteryPlayer?.reloadResearch(MINECRAFT_SERVER.registryAccess())
+				context.player().matteryPlayer.reloadResearch(context.player().registryAccess())
 			}
 		}
 

src/main/kotlin/ru/dbotthepony/mc/otm/client/MatteryGUI.kt

@@ -331,12 +331,14 @@ object MatteryGUI {
 	fun onLayerRenderEvent(event: RenderGuiLayerEvent.Pre) {
 		val gui = minecraft.gui
 
+		if (minecraft.gameMode?.canHurtPlayer() == true && !minecraft.options.hideGui) {
 			if (event.name == VanillaGuiLayers.FOOD_LEVEL || event.name == VanillaGuiLayers.AIR_LEVEL) {
 				renderFoodAndAir(event, gui)
 			} else if (event.name == VanillaGuiLayers.PLAYER_HEALTH)  {
 				renderPlayerHealth(event, gui)
 			}
 		}
+	}
 
 	fun renderShieldCooldownOverlay(graphics: GuiGraphics, font: Font, stack: ItemStack, x: Int, y: Int): Boolean {
 		if (!stack.isEmpty && stack.item is ShieldItem) {

src/main/kotlin/ru/dbotthepony/mc/otm/matter/MatterManager.kt

@@ -101,6 +101,7 @@ import ru.dbotthepony.mc.otm.core.writeComponent
 import ru.dbotthepony.mc.otm.core.writeItemType
 import ru.dbotthepony.mc.otm.matter.MatterManager.Finder
 import ru.dbotthepony.mc.otm.milliTime
+import ru.dbotthepony.mc.otm.onceServer
 import ru.dbotthepony.mc.otm.registry.MDeferredRegister
 import ru.dbotthepony.mc.otm.registry.RegistryDelegate
 import ru.dbotthepony.mc.otm.secondTime
@@ -1771,10 +1772,18 @@ object MatterManager {
 
 		LOGGER.debug("Encoding matter registry packets took ${time.millis}ms, (${totalSize} bytes total, $compressedSize bytes compressed)")
 
+		/**
+		 * Delay sending by one server tick;
+		 * this way client is guaranteed to be in "PLAY" state, with local player present.
+		 * This hack is required because we manually compressing and splitting packet between multiple payloads,
+		 * hence it is impossible to "read" parsed data from network directly, using provided RegistryFriendlyByteBuf.
+		 */
+		onceServer {
 			for (chunk in chunks) {
 				distributor.invoke(chunk)
 			}
 		}
+	}
 
 	private fun playRegistryPackets(registry: RegistryAccess) {
 		val time = SystemTime()