Added chunk preloading support

src/main/java/info/ata4/minecraft/mineshot/client/ScreenshotHandler.java

@@ -19,11 +19,13 @@
 import info.ata4.minecraft.mineshot.client.config.MineshotConfig;
 import info.ata4.minecraft.mineshot.client.config.MineshotConfigGuiIngame;
 import info.ata4.minecraft.mineshot.client.util.ChatUtils;
+import info.ata4.minecraft.mineshot.util.reflection.RenderGlobalAccessor;
 import java.io.File;
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.WorldRenderer;
 import net.minecraft.client.settings.KeyBinding;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -69,6 +71,9 @@ public void onKeyInput(InputEvent.KeyInputEvent event) {
                 } else {
                     task = new CaptureTask(config, taskFile);
                 }
+                if (config.preloadChunks.get()) {
+                    preloadChunks();
+                }
             }
         }
     }
@@ -90,8 +95,16 @@ public void onRenderTick(RenderTickEvent evt) {
             task = null;
         }
     }
-
 
+    private void preloadChunks() {
+        WorldRenderer[] worldRenderers = RenderGlobalAccessor.getWorldRenderers(MC.renderGlobal);
+        for (WorldRenderer worldRenderer : worldRenderers) {
+            if (worldRenderer.isInFrustum && worldRenderer.needsUpdate) {
+                worldRenderer.updateRenderer(MC.renderViewEntity);
+            }
+        }
+    }
+
     private File getScreenshotFile() {
         File dir = new File(MC.mcDataDir, "screenshots");
         if (!dir.exists()) {

src/main/java/info/ata4/minecraft/mineshot/client/config/MineshotConfig.java

@@ -45,6 +45,7 @@ public static Dimension getMaxViewportDims() {
     public final ConfigInteger captureWidth = new ConfigInteger(3840, 1, MAX_TARGA_SIZE);
     public final ConfigInteger captureHeight = new ConfigInteger(2160, 1, MAX_TARGA_SIZE);
     public final ConfigBoolean captureTiled = new ConfigBoolean(false);
+    public final ConfigBoolean preloadChunks = new ConfigBoolean(true);
 
     public MineshotConfig(Configuration config) {
         super(config);
@@ -54,5 +55,6 @@ public MineshotConfig(Configuration config) {
         register(captureWidth, "captureWidth", Configuration.CATEGORY_GENERAL);
         register(captureHeight, "captureHeight", Configuration.CATEGORY_GENERAL);
         register(captureTiled, "captureTiled", Configuration.CATEGORY_GENERAL);
+        register(preloadChunks, "preloadChunks", Configuration.CATEGORY_GENERAL);
     }
 }

src/main/java/info/ata4/minecraft/mineshot/util/reflection/RenderGlobalAccessor.java

@@ -0,0 +1,38 @@
+/*
+ ** 2014 August 22
+ **
+ ** The author disclaims copyright to this source code. In place of
+ ** a legal notice, here is a blessing:
+ **    May you do good and not evil.
+ **    May you find forgiveness for yourself and forgive others.
+ **    May you share freely, never taking more than you give.
+ */
+package info.ata4.minecraft.mineshot.util.reflection;
+
+import cpw.mods.fml.relauncher.ReflectionHelper;
+import net.minecraft.client.renderer.RenderGlobal;
+import net.minecraft.client.renderer.WorldRenderer;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+/**
+ *
+ * @author Nico Bergemann <barracuda415 at yahoo.de>
+ */
+public class RenderGlobalAccessor {
+
+    private static final Logger L = LogManager.getLogger();
+    private static final String[] FIELD_WORLDRENDERERS = new String[] {"worldRenderers", "field_72765_l"};
+
+    private RenderGlobalAccessor() {
+    }
+
+    public static WorldRenderer[] getWorldRenderers(RenderGlobal rg) {
+        try {
+            return ReflectionHelper.getPrivateValue(RenderGlobal.class, rg, FIELD_WORLDRENDERERS);
+        } catch (Exception ex) {
+            L.error("getWordRenderers() failed", ex);
+            return new WorldRenderer[]{};
+        }
+    }
+}

src/main/resources/assets/mineshot/lang/de_DE.lang

@@ -25,11 +25,14 @@ mineshot.gui.warn.gui=Benutzeroberfläche kann nicht aufgenommen werden!
 mineshot.gui.err.toolarge.targa=Zu groß für das Targa Format!
 
 # config
-mineshot.config.captureWidth=Width
-mineshot.config.captureWidth.tooltip=Screenshot Breite
+mineshot.config.captureWidth=Breite
+mineshot.config.captureWidth.tooltip=Breite des aufzunehmenden Screenshots
 
-mineshot.config.captureHeight=Height
-mineshot.config.captureHeight.tooltip=Screenshot Höhe
+mineshot.config.captureHeight=Höhe
+mineshot.config.captureHeight.tooltip=Höhe des aufzunehmenden Screenshots
 
-mineshot.config.captureTiled=Kachelrendering
-mineshot.config.captureTiled.tooltip=Der Screenshot wird in mehreren kleinen Kacheln gerendert wenn akiviert. Dadurch können wesentlich größere Screenshots aufgenommen als normal möglich. Allerdings funktionieren dann manche Shader nicht richtig und die Benutzeroberfläche ist unsichtbar.
+mineshot.config.captureTiled=Kachelgrafik
+mineshot.config.captureTiled.tooltip=Der Screenshot aus mehreren kleineren Screenshots zusammengesetzt. Dadurch können wesentlich größere Screenshots aufgenommen werden als normal möglich. Allerdings funktionieren dann manche Shader nicht mehr richtig und die Benutzeroberfläche ist unsichtbar.
+
+mineshot.config.preloadChunks=Chunk-Preloading
+mineshot.config.preloadChunks.tooltip=Alle sichtbaren Chunks werden vollständig geladen bevor der Screenshot erstellt wird.

src/main/resources/assets/mineshot/lang/en_US.lang

@@ -31,5 +31,8 @@ mineshot.config.captureWidth.tooltip=Screenshot capture width
 mineshot.config.captureHeight=Height
 mineshot.config.captureHeight.tooltip=Screenshot capture height
 
-mineshot.config.captureTiled=Tiled rendering
-mineshot.config.captureTiled.tooltip=Renders the screenshot in multiple smaller tiles when activated. This allows much larger screenshots to be captured than usually possible, but causes problems with shaders and also disables the GUI.
+mineshot.config.captureTiled=Tiled Rendering
+mineshot.config.captureTiled.tooltip=Compose screenshots from multiple smaller screenshots. This allows much larger screenshots to be captured than usually possible, but causes problems with shaders and also disables the GUI.
+
+mineshot.config.preloadChunks=Chunk Preloading
+mineshot.config.preloadChunks.tooltip=Fully load all visible chunks before capturing the screenshot.