Add incompatibles to EnvironmentCheck

src/main/java/tconstruct/util/EnvironmentChecks.java

@@ -1,15 +1,20 @@
 package tconstruct.util;
 
-import cpw.mods.fml.common.FMLCommonHandler;
-import cpw.mods.fml.common.ICrashCallable;
-import cpw.mods.fml.common.Loader;
-
 import java.util.ArrayList;
 import java.util.List;
 
-import tconstruct.TConstruct;
 import mantle.crash.CallableSuppConfig;
 import mantle.crash.CallableUnsuppConfig;
+import net.minecraft.client.gui.GuiMainMenu;
+import net.minecraftforge.client.event.GuiOpenEvent;
+import net.minecraftforge.common.MinecraftForge;
+import net.minecraftforge.event.ForgeSubscribe;
+import tconstruct.TConstruct;
+import cpw.mods.fml.common.FMLCommonHandler;
+import cpw.mods.fml.common.ICrashCallable;
+import cpw.mods.fml.common.Loader;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
 
 public class EnvironmentChecks
 {
@@ -22,14 +27,19 @@ public class EnvironmentChecks
      * Checks for conflicting stuff in environment; adds callable to any crash logs if so.
      * Note: This code adds additional data to crashlogs. It does not trigger any crashes.
      */
+    private static List<String> incompatibilities = new ArrayList<String>();
+    private static EnvironmentChecks instance = new EnvironmentChecks();
+
     public static void verifyEnvironmentSanity ()
     {
         List<String> modIds = new ArrayList<String>();
 
         if (Loader.isModLoaded("gregtech_addon"))
         {
-            TConstruct.logger.severe("[Environment Checks] Gelatinous iceberg dead ahead! Entering Greggy waters! Abandon hope all ye who enter here! (No, seriously, we don't support GT. Don't report any issues. Thanks.)");
+            TConstruct.logger.severe("Tinkers' Construct and GregTech are incompatible for the following reasons:");
+            TConstruct.logger.severe(modCompatDetails("GregTech", true));
             modIds.add("gregtech_addon");
+            incompatibilities.add("GregTech");
         }
 
         // Bukkit/Magic Launcher/Optifine are caught by Mantle, so we no longer check for those.
@@ -44,6 +54,38 @@ public class EnvironmentChecks
             ICrashCallable callable = new CallableUnsuppConfig("TConstruct", modIds);
             FMLCommonHandler.instance().registerCrashCallable(callable);
         }
+
+        if (incompatibilities.size() > 0 && FMLCommonHandler.instance().getEffectiveSide() == Side.CLIENT)
+        {
+            MinecraftForge.EVENT_BUS.register(instance);
+        }
     }
 
+    public static String modCompatDetails (String type, boolean consoleFormat)
+    {
+        String n = consoleFormat ? System.getProperty("line.separator") : "\n";
+        if (type.equals("GregTech"))
+        {
+            return  "- GregTech is an \"IndustrialCraft 2 addon\". People do not expect a total conversion meta-mod that alters every other mod when they install it the first time." + n
+                    + "- The ore dictionary's purpose is interchangable items and mod compatibility. It is not a tool to bend people to your will." + n 
+                    + "- GregTech actively breaks mods with \"invalid ore dictionary entries\"." + n
+                    + "- The mod has a blacklist that can corrupt worlds of people on it." + n
+                    + "- The author blames any problems introduced by his mod on others. See \"NotMyFaultException\" for intentional crashes.)";
+        }
+        return "";
+    }
+
+    @SideOnly(Side.CLIENT)
+    @ForgeSubscribe
+    public void openMainMenu (GuiOpenEvent event)
+    {
+        if (event.gui instanceof GuiMainMenu)
+        {
+            if (incompatibilities.size() > 0)
+            {
+                event.gui = new EnvironmentGui(event.gui, incompatibilities);
+            }
+            MinecraftForge.EVENT_BUS.unregister(instance);
+        }
+    }
 }