CatServer/patches/net/minecraft/util/ScreenShotHelper.java.patch

--- ../src-base/minecraft/net/minecraft/util/ScreenShotHelper.java
+++ ../src-work/minecraft/net/minecraft/util/ScreenShotHelper.java
@@ -53,10 +53,14 @@
                 file2 = new File(file1, screenshotName);
             }
 
+            file2 = file2.getCanonicalFile(); // FORGE: Fix errors on Windows with paths that include \.\
+            net.minecraftforge.client.event.ScreenshotEvent event = net.minecraftforge.client.ForgeHooksClient.onScreenshot(bufferedimage, file2);
+            if (event.isCanceled()) return event.getCancelMessage(); else file2 = event.getScreenshotFile();
             ImageIO.write(bufferedimage, "png", file2);
             ITextComponent itextcomponent = new TextComponentString(file2.getName());
             itextcomponent.getStyle().setClickEvent(new ClickEvent(ClickEvent.Action.OPEN_FILE, file2.getAbsolutePath()));
             itextcomponent.getStyle().setUnderlined(Boolean.valueOf(true));
+            if (event.getResultMessage() != null) return event.getResultMessage();
             return new TextComponentTranslation("screenshot.success", new Object[] {itextcomponent});
         }
         catch (Exception exception)