From 34fe741cc408a8e484d265fd3a8530ead058ecb3 Mon Sep 17 00:00:00 2001
From: CrushedPixel <crushedpixelmaps@gmail.com>
Date: Thu, 30 Jul 2015 12:59:54 +0200
Subject: [PATCH] Call Minecraft#updateDisplay in VideoRenderer if not in High
 Performance Mode, to resize the GuiVideoRenderer if user resized screen
 (requested by many users) This has no side effects on the rendered video.
 Change GuiVideoRenderer#initGui method to allow for resizing

---
 .../replaymod/gui/GuiVideoRenderer.java       | 41 +++++++++++++++----
 .../replaymod/video/VideoRenderer.java        |  6 +++
 2 files changed, 38 insertions(+), 9 deletions(-)

diff --git a/src/main/java/eu/crushedpixel/replaymod/gui/GuiVideoRenderer.java b/src/main/java/eu/crushedpixel/replaymod/gui/GuiVideoRenderer.java
index e1140f31..b8ba6ba3 100644
--- a/src/main/java/eu/crushedpixel/replaymod/gui/GuiVideoRenderer.java
+++ b/src/main/java/eu/crushedpixel/replaymod/gui/GuiVideoRenderer.java
@@ -43,6 +43,8 @@ public class GuiVideoRenderer extends GuiScreen {
     private DynamicTexture previewTexture;
     private boolean previewTextureDirty;
 
+    private boolean initialized = false;
+
     public GuiVideoRenderer(VideoRenderer renderer) {
         this.renderer = renderer;
     }
@@ -50,19 +52,40 @@ public class GuiVideoRenderer extends GuiScreen {
     @Override
     @SuppressWarnings("unchecked") // I blame forge for not re-adding generics to that list
     public void initGui() {
-        String text = PAUSE_RENDERING;
-        buttonList.add(pauseButton = new GuiButton(1, width / 2 - 152, height - 10 - 20, text));
+        if(!initialized) {
+            String text = PAUSE_RENDERING;
+            pauseButton = new GuiButton(1, width / 2 - 152, height - 10 - 20, text);
 
-        text = CANCEL;
-        buttonList.add(cancelButton = new GuiButton(1, width / 2 + 2, height - 10 - 20, text));
+            text = CANCEL;
+            cancelButton = new GuiButton(1, width / 2 + 2, height - 10 - 20, text);
 
-        pauseButton.width = cancelButton.width = 150;
+            pauseButton.width = cancelButton.width = 150;
 
-        progressBar = new GuiProgressBar(10, height - 10 - 20 - 10 - 20, width-20, 20);
+            progressBar = new GuiProgressBar(10, height - 10 - 20 - 10 - 20, width-20, 20);
 
-        text = PREVIEW;
-        buttonList.add(previewCheckBox = new GuiCheckBox(0, (width - fontRendererObj.getStringWidth(text)) / 2 - 8,
-                pauseButton.yPosition - 10 - 20 - 10 - 20 - 5 , text, false));
+            text = PREVIEW;
+            previewCheckBox = new GuiCheckBox(0, (width - fontRendererObj.getStringWidth(text)) / 2 - 8,
+                    pauseButton.yPosition - 10 - 20 - 10 - 20 - 5 , text, false);
+        } else {
+            pauseButton.xPosition = width / 2 - 152;
+            pauseButton.yPosition = height - 10 - 20;
+
+            cancelButton.xPosition = width / 2 + 2;
+            cancelButton.yPosition = height - 10 - 20;
+
+            progressBar.setBounds(10, height - 10 - 20 - 10 - 20, width - 20, 20);
+
+            previewCheckBox.xPosition = (width - fontRendererObj.getStringWidth(PREVIEW)) / 2 - 8;
+            previewCheckBox.yPosition = pauseButton.yPosition - 10 - 20 - 10 - 20 - 5;
+        }
+
+        buttonList.add(pauseButton);
+        buttonList.add(cancelButton);
+        buttonList.add(previewCheckBox);
+
+        initialized = true;
+
+        super.initGui();
     }
 
     @Override
diff --git a/src/main/java/eu/crushedpixel/replaymod/video/VideoRenderer.java b/src/main/java/eu/crushedpixel/replaymod/video/VideoRenderer.java
index 4cae86fa..80caf682 100644
--- a/src/main/java/eu/crushedpixel/replaymod/video/VideoRenderer.java
+++ b/src/main/java/eu/crushedpixel/replaymod/video/VideoRenderer.java
@@ -365,6 +365,12 @@ public class VideoRenderer implements RenderInfo {
                 throw new RuntimeException(e);
             }
 
+            //if not in high performance mode, update the gui size if screen size changed
+            //this takes virtually no time
+            if(!options.isHighPerformance()) {
+                mc.updateDisplay();
+            }
+
             ScaledResolution scaled = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);
             int mouseX = Mouse.getX() * scaled.getScaledWidth() / mc.displayWidth;
             int mouseY = scaled.getScaledHeight() - Mouse.getY() * scaled.getScaledHeight() / mc.displayHeight - 1;