Port to 1.12.

build.gradle

@@ -7,25 +7,25 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'net.minecraftforge.gradle:ForgeGradle:2.2-SNAPSHOT'
+        classpath 'net.minecraftforge.gradle:ForgeGradle:2.3-SNAPSHOT'
     }
 }
 apply plugin: 'net.minecraftforge.gradle.forge'
 
-version = "1.11-1.9"
+version = "1.12-1.10"
 group= "com.reddit.user.koppeh.flamingo" // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = "Flamingo"
 
 minecraft {
-    version = '1.11-13.19.0.2153'
+    version = '1.12-14.21.0.2324'
     runDir = "run"
 
     // the mappings can be changed at any time, and must be in the following format.
     // snapshot_YYYYMMDD   snapshot are built nightly.
     // stable_#            stables are built at the discretion of the MCP team.
     // Use non-default mappings at your own risk. they may not allways work.
     // simply re-run your setup task after changing the mappings to update your workspace.
-    mappings = 'snapshot_20161118'
+    mappings = 'snapshot_20170614'
 }
 
 processResources

src/main/java/com/reddit/user/koppeh/flamingo/Flamingo.java

@@ -10,7 +10,7 @@
 import net.minecraftforge.fml.common.event.FMLPreInitializationEvent;
 import net.minecraftforge.fml.common.registry.GameRegistry;
 
-@Mod(modid = "flamingo", version = "1.11-1.9", useMetadata = true)
+@Mod(modid = "flamingo", version = "1.12-1.10", useMetadata = true)
 public class Flamingo {
 
 	@Instance("Flamingo")
@@ -31,29 +31,11 @@ public void preInit(FMLPreInitializationEvent event) {
 
 	@Mod.EventHandler
 	public void load(FMLInitializationEvent event) {
-		addRecipes();
 		proxy.registerRenderers();
 	}
 
 	private void initializeItems() {
 		flamingo = new BlockFlamingo();
 	}
 
-	private void addRecipes() {
-		GameRegistry.addRecipe(new ItemStack(flamingo),
-			"  o",
-			"ooo",
-			" / ",
-
-			'o', new ItemStack(Blocks.WOOL, 1, 6),
-			'/', Items.STICK);
-		GameRegistry.addRecipe(new ItemStack(flamingo),
-			"o  ",
-			"ooo",
-			" / ",
-
-			'o', new ItemStack(Blocks.WOOL, 1, 6),
-			'/', Items.STICK);
-	}
-
 }

src/main/java/com/reddit/user/koppeh/flamingo/TileEntityFlamingoRenderer.java

@@ -14,7 +14,7 @@ public class TileEntityFlamingoRenderer extends TileEntitySpecialRenderer<TileEn
 	private ResourceLocation resource = new ResourceLocation("flamingo", "textures/models/flamingo.png");
 
 	@Override
-	public void renderTileEntityAt(TileEntityFlamingo flamingo, double x, double y, double z, float partialTicks, int destroyStage) {
+	public void renderTileEntityAt(TileEntityFlamingo flamingo, double x, double y, double z, float partialTicks, int destroyStage, float hi) {
 		int rotation = 0;
 		float wiggle = 0;
 

src/main/resources/assets/flamingo/advancements/recipes/flamingo.json

@@ -0,0 +1,33 @@
+{
+  "parent": "minecraft:recipes/root",
+  "rewards": {
+    "recipes": [
+      "flamingo:flamingo"
+    ]
+  },
+  "criteria": {
+    "has_pink_wool": {
+      "trigger": "minecraft:inventory_changed",
+      "conditions": {
+        "items": [
+          {
+            "item": "minecraft:wool",
+            "data": 6
+          }
+        ]
+      }
+    },
+    "has_the_recipe": {
+      "trigger": "minecraft:recipe_unlocked",
+      "conditions": {
+        "recipe": "flamingo:flamingo"
+      }
+    }
+  },
+  "requirements": [
+    [
+      "has_pink_wool",
+      "has_the_recipe"
+    ]
+  ]
+}

src/main/resources/assets/flamingo/recipes/flamingo.json

@@ -0,0 +1,22 @@
+{
+  "type": "minecraft:crafting_shaped",
+  "group": "flamingo",
+  "pattern": [
+    "o  ",
+    "ooo",
+    " / "
+  ],
+  "key": {
+    "o": {
+      "item": "minecraft:wool",
+      "data": 6
+    },
+    "/": {
+      "item": "minecraft:stick"
+    }
+  },
+  "result": {
+    "item": "flamingo:flamingo.flamingo",
+    "count": 1
+  }
+}