From 8be20d6805ceb09706c27420564d073ba8dc2b7c Mon Sep 17 00:00:00 2001
From: Christian <cpw@weeksfamily.ca>
Date: Mon, 27 May 2013 10:28:00 -0400
Subject: [PATCH] Add in a pretty sorting error screen

---
 .../cpw/mods/fml/client/FMLClientHandler.java | 15 +++++-
 .../mods/fml/client/GuiSortingProblem.java    | 48 +++++++++++++++++++
 2 files changed, 61 insertions(+), 2 deletions(-)
 create mode 100644 fml/client/cpw/mods/fml/client/GuiSortingProblem.java

diff --git a/fml/client/cpw/mods/fml/client/FMLClientHandler.java b/fml/client/cpw/mods/fml/client/FMLClientHandler.java
index 5b08c1d5a..375c3cd8e 100644
--- a/fml/client/cpw/mods/fml/client/FMLClientHandler.java
+++ b/fml/client/cpw/mods/fml/client/FMLClientHandler.java
@@ -71,6 +71,7 @@ import cpw.mods.fml.common.registry.IEntityAdditionalSpawnData;
 import cpw.mods.fml.common.registry.IThrowableEntity;
 import cpw.mods.fml.common.registry.ItemData;
 import cpw.mods.fml.common.registry.LanguageRegistry;
+import cpw.mods.fml.common.toposort.ModSortingException;
 import cpw.mods.fml.relauncher.Side;
 
 
@@ -113,6 +114,8 @@ public class FMLClientHandler implements IFMLSidedHandler
 
     private MissingModsException modsMissing;
 
+    private ModSortingException modSorting;
+
     private boolean loading;
 
     private WrongMinecraftVersionException wrongMC;
@@ -171,6 +174,10 @@ public class FMLClientHandler implements IFMLSidedHandler
         {
             modsMissing = missing;
         }
+        catch (ModSortingException sorting)
+        {
+            modSorting = sorting;
+        }
         catch (CustomModLoadingErrorDisplayException custom)
         {
             FMLLog.log(Level.SEVERE, custom, "A custom exception was thrown by a mod, the game will now halt");
@@ -197,7 +204,7 @@ public class FMLClientHandler implements IFMLSidedHandler
     @SuppressWarnings("deprecation")
     public void finishMinecraftLoading()
     {
-        if (modsMissing != null || wrongMC != null || customError!=null || dupesFound!=null)
+        if (modsMissing != null || wrongMC != null || customError!=null || dupesFound!=null || modSorting!=null)
         {
             return;
         }
@@ -237,7 +244,11 @@ public class FMLClientHandler implements IFMLSidedHandler
         {
         	client.func_71373_a(new GuiDupesFound(dupesFound));
         }
-        else if (customError != null)
+        else if (modSorting != null)
+        {
+            client.func_71373_a(new GuiSortingProblem(modSorting));
+        }
+		else if (customError != null)
         {
             client.func_71373_a(new GuiCustomModLoadingErrorScreen(customError));
         }
diff --git a/fml/client/cpw/mods/fml/client/GuiSortingProblem.java b/fml/client/cpw/mods/fml/client/GuiSortingProblem.java
new file mode 100644
index 000000000..95517e4b9
--- /dev/null
+++ b/fml/client/cpw/mods/fml/client/GuiSortingProblem.java
@@ -0,0 +1,48 @@
+package cpw.mods.fml.client;
+
+import cpw.mods.fml.common.ModContainer;
+import cpw.mods.fml.common.toposort.ModSortingException;
+import cpw.mods.fml.common.toposort.ModSortingException.SortingExceptionData;
+import cpw.mods.fml.common.versioning.ArtifactVersion;
+import cpw.mods.fml.common.versioning.DefaultArtifactVersion;
+import net.minecraft.client.gui.GuiScreen;
+
+public class GuiSortingProblem extends GuiScreen {
+    private ModSortingException modSorting;
+    private SortingExceptionData<ModContainer> failedList;
+
+    public GuiSortingProblem(ModSortingException modSorting)
+    {
+        this.modSorting = modSorting;
+        this.failedList = modSorting.getExceptionData();
+    }
+
+    @Override
+    public void func_73866_w_()
+    {
+        super.func_73866_w_();
+    }
+
+    @Override
+    public void func_73863_a(int p_73863_1_, int p_73863_2_, float p_73863_3_)
+    {
+        this.func_73873_v_();
+        int offset = Math.max(85 - (failedList.getVisitedNodes().size() + 3) * 10, 10);
+        this.func_73732_a(this.field_73886_k, "Forge Mod Loader has found a problem with your minecraft installation", this.field_73880_f / 2, offset, 0xFFFFFF);
+        offset+=10;
+        this.func_73732_a(this.field_73886_k, "A mod sorting cycle was detected and loading cannot continue", this.field_73880_f / 2, offset, 0xFFFFFF);
+        offset+=10;
+        this.func_73732_a(this.field_73886_k, String.format("The first mod in the cycle is %s", failedList.getFirstBadNode()), this.field_73880_f / 2, offset, 0xFFFFFF);
+        offset+=10;
+        this.func_73732_a(this.field_73886_k, "The remainder of the cycle involves these mods", this.field_73880_f / 2, offset, 0xFFFFFF);
+        offset+=5;
+        for (ModContainer mc : failedList.getVisitedNodes())
+        {
+            offset+=10;
+            this.func_73732_a(this.field_73886_k, String.format("%s", mc.toString()), this.field_73880_f / 2, offset, 0xEEEEEE);
+        }
+        offset+=20;
+        this.func_73732_a(this.field_73886_k, "The file 'ForgeModLoader-client-0.log' contains more information", this.field_73880_f / 2, offset, 0xFFFFFF);
+    }
+
+}