Fix launching in dev

build.gradle

@@ -70,6 +70,18 @@ project(':forge') {
         patchedSrc = file('src/main/java')
         accessTransformer = file("$rootDir/src/main/resources/forge_at.cfg")
         srgPatches = false
+        clientRun {
+            main = 'net.minecraftforge.fml.LaunchTesting'
+            env = [
+                target: 'fmldevclient'
+            ]
+        }
+        serverRun {
+            main = 'net.minecraftforge.fml.LaunchTesting'
+            env = [
+                target: 'fmldevserver'
+            ]
+        }
     }
     applyPatches {
         canonicalizeAccess true
@@ -77,8 +89,8 @@ project(':forge') {
         maxFuzz 3
     }
     dependencies {
-        implementation project(':clean')
+        implementation 'net.minecraft:client:1.13:extra'
-        implementation 'cpw.mods:modlauncher:0.1+'
+        implementation 'cpw.mods:modlauncher:0.1.0-rc.3' //Pinned until cpw fixes getCommonSupertype
         implementation 'net.minecraftforge:accesstransformers:0.10+:shadowed'
         implementation 'net.minecraftforge:eventbus:0.1+:service'
         implementation 'net.minecraftforge:forgespi:0.1+'
@@ -120,7 +132,7 @@ project(':forge') {
 //        jvmArgs = ['-verbose:class']
         classpath sourceSets.main.runtimeClasspath
         main 'net.minecraftforge.fml.LaunchTesting'
-        systemProperties target:'fmldevclient'
+        environment target:'fmldevclient'
         workingDir 'runclient'
     }
 
@@ -131,7 +143,7 @@ project(':forge') {
         classpath sourceSets.main.runtimeClasspath
         main 'net.minecraftforge.fml.LaunchTesting'
         args 'nogui'
-        systemProperties target:'fmldevserver'
+        environment target:'fmldevserver'
         workingDir 'runserver'
     }
 }

patches/minecraft/net/minecraft/item/Item.java.patch

@@ -19,7 +19,7 @@
        this.maxStackSize = p_i48487_1_.field_200920_a;
 +      this.canRepair = p_i48487_1_.canRepair;
 +      this.toolClasses.putAll(p_i48487_1_.toolClasses);
-+      Object tmp = net.minecraftforge.fml.DistExecutor.callWhenOn(Dist.CLIENT, p_i48487_1_.teisr);
++      Object tmp = p_i48487_1_.teisr == null ? null : net.minecraftforge.fml.DistExecutor.callWhenOn(Dist.CLIENT, p_i48487_1_.teisr);
 +      this.teisr = tmp == null ? null : () -> (net.minecraft.client.renderer.tileentity.TileEntityItemStackRenderer) tmp;
        if (this.maxDamage > 0) {
           this.addPropertyOverride(new ResourceLocation("damaged"), DAMAGED_GETTER);
@@ -154,10 +154,10 @@
 +              toolClasses.remove(toolClass);
 +          else
 +              toolClasses.put(toolClass, level);
- }
++      }
 +
 +      public void setTileEntityItemStackRenderer(java.util.function.Supplier<java.util.concurrent.Callable<net.minecraft.client.renderer.tileentity.TileEntityItemStackRenderer>> teisrSupplier) {
 +          this.teisr = teisrSupplier;
 +      }
 +   }
-+}
+ }

src/main/java/net/minecraftforge/fml/LaunchTesting.java

@@ -45,11 +45,24 @@ public class LaunchTesting
         logcontext.getConfiguration().addFilter(axformFilter);
         logcontext.getConfiguration().addFilter(eventbusFilter);
         logcontext.updateLoggers();
-        System.setProperty("fml.explodedDir", "/home/cpw/projects/mods/inventorysorter/classes");
+        File invsorter = new File("/home/cpw/projects/mods/inventorysorter/classes");
+        if (invsorter.exists()) {
+            System.setProperty("fml.explodedDir", "/home/cpw/projects/mods/inventorysorter/classes"); //TODO: Move this to a example included in our tests, not a random location...
+        }
+        String assets = System.getenv().getOrDefault("assetDirectory", "assets");
+        String target = System.getenv().get("target");
+
+        if (target == null) {
+            throw new IllegalArgumentException("Environment variable target must be set.");
+        }
+
         hackNatives();
-        Launcher.main("--launchTarget", System.getProperty("target"),"--gameDir", ".",
+        Launcher.main("--launchTarget", target,
-                "--accessToken", "blah", "--version", "FMLDev", "--assetIndex", "1.13",
+                "--gameDir", ".",
-                "--assetsDir","/home/cpw/MultiMC/assets",
+                "--accessToken", "blah",
+                "--version", "FMLDev",
+                "--assetIndex", "1.13",
+                "--assetsDir", assets,
                 "--userProperties", "{}");
         Thread.sleep(10000);
     }
@@ -57,7 +70,7 @@ public class LaunchTesting
     private static void hackNatives()
     {
         String paths = System.getProperty("java.library.path");
-        String nativesDir = "/home/cpw/.gradle/caches/minecraft/net/minecraft/natives/1.12.2";
+        String nativesDir = "/home/cpw/.gradle/caches/minecraft/net/minecraft/natives/1.12.2"; //TODO Not hardcode this, FG setups us a natives folder. And sets it in the eclipse run configs.
 
         if (Strings.isNullOrEmpty(paths))
             paths = nativesDir;

src/main/java/net/minecraftforge/registries/GameData.java

@@ -165,9 +165,9 @@ public class GameData
     }
 
     @SuppressWarnings("unchecked")
-    public static BiMap<Block,Item> getBlockItemMap()
+    public static Map<Block,Item> getBlockItemMap()
     {
-        return RegistryManager.ACTIVE.getRegistry(Item.class).getSlaveMap(BLOCK_TO_ITEM, BiMap.class);
+        return RegistryManager.ACTIVE.getRegistry(Item.class).getSlaveMap(BLOCK_TO_ITEM, Map.class);
     }
 
     @SuppressWarnings("unchecked")
@@ -345,7 +345,7 @@ public class GameData
             };
             owner.setSlaveMap(BLOCKSTATE_TO_ID, idMap);
 */
-            owner.setSlaveMap(BLOCK_TO_ITEM, HashBiMap.create());
+            owner.setSlaveMap(BLOCK_TO_ITEM, Maps.newHashMap());
         }
 
         @Override
@@ -380,22 +380,22 @@ public class GameData
             if (item instanceof ItemBlock)
             {
                 @SuppressWarnings("unchecked")
-                BiMap<Block, Item> blockToItem = owner.getSlaveMap(BLOCK_TO_ITEM, BiMap.class);
+                Map<Block, Item> blockToItem = owner.getSlaveMap(BLOCK_TO_ITEM, Map.class);
-                blockToItem.forcePut(((ItemBlock)item).getBlock(), item);
+                ((ItemBlock)item).func_195946_a(blockToItem, item);
             }
         }
 
         @Override
         public void onClear(IForgeRegistryInternal<Item> owner, RegistryManager stage)
         {
-            owner.getSlaveMap(BLOCK_TO_ITEM, BiMap.class).clear();
+            owner.getSlaveMap(BLOCK_TO_ITEM, Map.class).clear();
         }
 
         @Override
         public void onCreate(IForgeRegistryInternal<Item> owner, RegistryManager stage)
         {
             // We share the blockItem map between items and blocks registries
-            BiMap<?, ?> map = stage.getRegistry(BLOCKS).getSlaveMap(BLOCK_TO_ITEM, BiMap.class);
+            Map<?, ?> map = stage.getRegistry(BLOCKS).getSlaveMap(BLOCK_TO_ITEM, Map.class);
             owner.setSlaveMap(BLOCK_TO_ITEM, map);
         }
     }