2 files changed, 122 insertions, 4 deletions

diff --git a/src/main/java/at/hannibal2/skyhanni/SkyHanniMod.java b/src/main/java/at/hannibal2/skyhanni/SkyHanniMod.java
index 056a6f9e7..5f54760b9 100644
--- a/src/main/java/at/hannibal2/skyhanni/SkyHanniMod.java
+++ b/src/main/java/at/hannibal2/skyhanni/SkyHanniMod.java
@@ -65,6 +65,7 @@ import at.hannibal2.skyhanni.mixins.hooks.RenderLivingEntityHelper;
 import at.hannibal2.skyhanni.test.LorenzTest;
 import at.hannibal2.skyhanni.test.PacketTest;
 import at.hannibal2.skyhanni.utils.MinecraftConsoleFilter;
+import at.hannibal2.skyhanni.utils.NEUVersionCheck;
 import at.hannibal2.skyhanni.utils.TabListData;
 import kotlin.coroutines.EmptyCoroutineContext;
 import kotlinx.coroutines.*;
@@ -85,8 +86,8 @@ import java.util.ArrayList;
 import java.util.List;
 
 @Mod(modid = SkyHanniMod.MODID, clientSideOnly = true, useMetadata = true,
-        guiFactory = "at.hannibal2.skyhanni.config.ConfigGuiForgeInterop",
-        dependencies = SkyHanniMod.DEPENDENCIES)
+        guiFactory = "at.hannibal2.skyhanni.config.ConfigGuiForgeInterop"
+)
 public class SkyHanniMod {
 
     public static final String MODID = "skyhanni";
@@ -95,8 +96,6 @@ public class SkyHanniMod {
         return Loader.instance().getIndexedModList().get(MODID).getVersion();
     }
 
-    public static final String DEPENDENCIES = "after:notenoughupdates@[2.1.1,);";
-
     public static Features feature;
 
     public static RepoManager repo;
@@ -116,6 +115,8 @@ public class SkyHanniMod {
 
     @EventHandler
     public void preInit(FMLPreInitializationEvent event) {
+        NEUVersionCheck.checkIfNeuIsLoaded();
+
         logger = LogManager.getLogger("SkyHanni");
 
         // utils
diff --git a/src/main/java/at/hannibal2/skyhanni/utils/NEUVersionCheck.kt b/src/main/java/at/hannibal2/skyhanni/utils/NEUVersionCheck.kt
new file mode 100644
index 000000000..6b9e56145
--- /dev/null
+++ b/src/main/java/at/hannibal2/skyhanni/utils/NEUVersionCheck.kt
@@ -0,0 +1,117 @@
+package at.hannibal2.skyhanni.utils
+
+import net.minecraftforge.fml.common.FMLCommonHandler
+import java.awt.Desktop
+import java.awt.event.MouseAdapter
+import java.awt.event.MouseEvent
+import java.net.URI
+import javax.swing.JButton
+import javax.swing.JFrame
+import javax.swing.JOptionPane
+import javax.swing.UIManager
+
+object NEUVersionCheck {
+
+    @JvmStatic
+    fun checkIfNeuIsLoaded() {
+        try {
+            Class.forName("io.github.moulberry.notenoughupdates.NotEnoughUpdates")
+        } catch (e: Throwable) {
+            neuWarning(
+                "NotEnoughUpdates is missing!\n" +
+                        "SkyHanni requires the latest version of NotEnoughUpdates to work.\n" +
+                        "Use these links to download the latest version:"
+            )
+            return
+        }
+
+        try {
+            val clazz = Class.forName("io.github.moulberry.notenoughupdates.util.ItemResolutionQuery")
+
+            for (field in clazz.methods) {
+                if (field.name == "findInternalNameByDisplayName") return
+            }
+        } catch (_: Throwable) {
+        }
+        outdated()
+    }
+
+    private fun outdated() {
+        neuWarning(
+            "NotEnoughUpdates is outdated!\n" +
+                    "SkyHanni requires the latest version of NotEnoughUpdates to work.\n" +
+                    "Use these links to download the latest version:"
+        )
+    }
+
+    private fun neuWarning(text: String) {
+        openPopupWindow(
+            text,
+            Pair("Join SkyHanni Discord", "https://discord.com/invite/8DXVN4BJz3"),
+            Pair("Open SkyHanni GitHub", "https://github.com/hannibal002/SkyHanni"),
+            Pair("Join NEU Discord", "https://discord.gg/moulberry"),
+            Pair("Open NEU GitHub", "https://github.com/NotEnoughUpdates/NotEnoughUpdates"),
+        )
+        closeMinecraft()
+    }
+
+    /**
+     * Taken and modified from Skytils
+     */
+    private fun openPopupWindow(errorMessage: String, vararg options: Pair<String, String>) {
+        try {
+            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName())
+        } catch (e: java.lang.Exception) {
+            e.printStackTrace()
+        }
+
+        val frame = JFrame()
+        frame.isUndecorated = true
+        frame.isAlwaysOnTop = true
+        frame.setLocationRelativeTo(null)
+        frame.isVisible = true
+
+        val buttons = mutableListOf<JButton>()
+        for ((name, link) in options) {
+            val button = JButton(name)
+            button.addMouseListener(object : MouseAdapter() {
+                override fun mouseClicked(event: MouseEvent) {
+                    try {
+                        Desktop.getDesktop().browse(URI(link))
+                    } catch (e: java.lang.Exception) {
+                        e.printStackTrace()
+                    }
+                }
+            })
+            buttons.add(button)
+        }
+        val close = JButton("Close")
+        close.addMouseListener(object : MouseAdapter() {
+            override fun mouseClicked(event: MouseEvent) {
+                try {
+                    closeMinecraft()
+                } catch (e: java.lang.Exception) {
+                    e.printStackTrace()
+                }
+            }
+        })
+        buttons.add(close)
+
+        val allOptions = buttons.toTypedArray()
+        JOptionPane.showOptionDialog(
+            frame,
+            errorMessage,
+            "SkyHanni Error",
+            JOptionPane.DEFAULT_OPTION,
+            JOptionPane.ERROR_MESSAGE,
+            null,
+            allOptions,
+            allOptions[0]
+        )
+    }
+
+    fun closeMinecraft() {
+        FMLCommonHandler.instance().handleExit(-1)
+        FMLCommonHandler.instance().expectServerStopped()
+    }
+}
\ No newline at end of file