Show progress bar when generating mob recipe map (#59)

* Show progress bar when generating mob recipe map

* test

* Check for BLS

* Process on server start

* Buildscript

2 files changed, 56 insertions, 0 deletions

diff --git a/src/main/java/kubatech/api/LoaderReference.java b/src/main/java/kubatech/api/LoaderReference.java
index 5ae387ed63..16526b2b9e 100644
--- a/src/main/java/kubatech/api/LoaderReference.java
+++ b/src/main/java/kubatech/api/LoaderReference.java
@@ -18,4 +18,5 @@ public class LoaderReference {
     public static final boolean Forestry = Loader.isModLoaded("Forestry");
     public static final boolean DraconicEvolution = Loader.isModLoaded("DraconicEvolution");
     public static final boolean Avaritia = Loader.isModLoaded("Avaritia");
+    public static final boolean BetterLoadingScreen = Loader.isModLoaded("betterloadingscreen");
 }
diff --git a/src/main/java/kubatech/api/helpers/ProgressBarWrapper.java b/src/main/java/kubatech/api/helpers/ProgressBarWrapper.java
new file mode 100644
index 0000000000..f1243c4d46
--- /dev/null
+++ b/src/main/java/kubatech/api/helpers/ProgressBarWrapper.java
@@ -0,0 +1,55 @@
+package kubatech.api.helpers;
+
+import static kubatech.api.utils.ModUtils.isClientSided;
+
+import java.io.IOException;
+
+import kubatech.Tags;
+import kubatech.api.LoaderReference;
+import alexiil.mods.load.ProgressDisplayer;
+import cpw.mods.fml.common.FMLCommonHandler;
+import cpw.mods.fml.common.ProgressManager;
+
+@SuppressWarnings("deprecation")
+public class ProgressBarWrapper {
+
+    ProgressManager.ProgressBar internalFMLBar;
+    boolean isFMLBar;
+    String name;
+    int maxSteps;
+    int steps = 0;
+
+    public ProgressBarWrapper(String name, int steps) {
+        if (!isClientSided) return;
+        maxSteps = steps;
+        this.name = name;
+        if (!LoaderReference.BetterLoadingScreen) {
+            internalFMLBar = ProgressManager.push(name, steps);
+            isFMLBar = true;
+            return;
+        }
+        isFMLBar = false;
+    }
+
+    public void step(String message) {
+        if (!isClientSided) return;
+        if (isFMLBar) internalFMLBar.step(message);
+        else {
+            steps++;
+            try {
+                ProgressDisplayer.displayProgress(
+                        Tags.MODNAME + ": " + name + " -> " + message,
+                        (float) steps / (float) maxSteps);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+            // Prevent game freeze
+            FMLCommonHandler.instance().processWindowMessages();
+        }
+    }
+
+    public void end() {
+        if (!isClientSided) return;
+        if (isFMLBar) ProgressManager.pop(internalFMLBar);
+    }
+}