(feature) random resource pack button

src/main/java/net/silentclient/client/gui/resourcepacks/SilentResourcePacksGui.java

@@ -28,6 +28,7 @@ import java.io.IOException;
 import java.net.URI;
 import java.util.Collections;
 import java.util.List;
+import java.util.Random;
 
 public class SilentResourcePacksGui extends SilentScreen {
     private final GuiScreen parentScreen;
@@ -40,6 +41,7 @@ public class SilentResourcePacksGui extends SilentScreen {
     private int blockHeight = 0;
     private ScrollHelper scrollHelper = new ScrollHelper();
     private ScrollHelper scrollHelper2 = new ScrollHelper();
+    private Random random = new Random();
 
     public SilentResourcePacksGui(GuiScreen parentScreenIn)
     {
@@ -61,6 +63,7 @@ public class SilentResourcePacksGui extends SilentScreen {
         if(mc.thePlayer != null) {
             this.buttonList.add(new TooltipIconButton(2, blockX + blockWidth - 14 - 5, blockY + blockHeight - 5 - 14, 14, 14, 8, 8, new ResourceLocation("silentclient/icons/lightoverlay.png"), "Toggle Background Panorama"));
         }
+        this.buttonList.add(new TooltipIconButton(6, blockX + 5, blockY + blockHeight - 5 - 14, 14, 14, 8, 8, new ResourceLocation("silentclient/icons/dice.png"), "Random Resource Pack"));
         this.buttonList.add(new Button(3, blockX + 40, blockY + blockHeight - 5 - 14, 100, 14, "Open Pack Folder"));
         this.buttonList.add(new Button(4, blockX + 40 + 100 + 5, blockY + blockHeight - 5 - 14, 100, 14, "Apply"));
         this.buttonList.add(new Button(5, blockX + 40 + 100 + 5 + 100 + 5, blockY + blockHeight - 5 - 14, 100, 14, "Done"));
@@ -410,9 +413,30 @@ public class SilentResourcePacksGui extends SilentScreen {
                 this.apply();
                 mc.displayGuiScreen(parentScreen);
                 break;
+            case 6:
+                this.randomPack();
+                break;
         }
     }
 
+    private void randomPack() {
+        if(!this.selectedResourcePacks.isEmpty()) {
+            for(ResourcePackRepository.Entry entry : this.selectedResourcePacks) {
+                this.availableResourcePacks.add(0, entry);
+            }
+            this.selectedResourcePacks.clear();
+        }
+
+        ResourcePackRepository.Entry randomPack = this.availableResourcePacks.get(random.nextInt(this.availableResourcePacks.size()));
+
+        if(randomPack != null) {
+            this.selectedResourcePacks.add(0, randomPack);
+            this.availableResourcePacks.remove(randomPack);
+        }
+
+        this.markChanged();
+    }
+
     @Override
     protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws IOException {
         super.mouseClicked(mouseX, mouseY, mouseButton);