Java tutorial
/** * This class was created by <Vazkii>. It's distributed as * part of the Quark Mod. Get the Source Code in github: * https://github.com/Vazkii/Quark * * Quark is Open Source and distributed under the * CC-BY-NC-SA 3.0 License: https://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_GB * * File Created @ [10/06/2016, 18:08:12 (GMT)] */ package vazkii.quark.misc.feature; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.lang.reflect.Field; import java.lang.reflect.Modifier; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Date; import java.util.List; import java.util.Random; import javax.imageio.ImageIO; import com.google.common.collect.ImmutableSet; import net.minecraft.client.Minecraft; import net.minecraft.client.gui.GuiMainMenu; import net.minecraft.client.gui.GuiScreen; import net.minecraft.client.renderer.texture.DynamicTexture; import net.minecraft.client.shader.Framebuffer; import net.minecraft.util.ResourceLocation; import net.minecraft.util.ScreenShotHelper; import net.minecraftforge.client.event.GuiOpenEvent; import net.minecraftforge.client.event.ScreenshotEvent; import net.minecraftforge.fml.common.eventhandler.SubscribeEvent; import net.minecraftforge.fml.common.gameevent.TickEvent.Phase; import net.minecraftforge.fml.common.gameevent.TickEvent.RenderTickEvent; import net.minecraftforge.fml.relauncher.ReflectionHelper; import vazkii.quark.base.lib.LibObfuscation; import vazkii.quark.base.module.Feature; import vazkii.quark.base.module.ModuleLoader; public class PanoramaMaker extends Feature { private static final DateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd_HH.mm.ss"); File panoramaDir; File fullresPanoramaDir; File currentDir; float rotationYaw, rotationPitch; int panoramaStep; boolean takingPanorama; int currentWidth, currentHeight; boolean overridenOnce; boolean overrideMainMenu; int panoramaSize; boolean fullscreen; @Override public void setupConfig() { overrideMainMenu = loadPropBool("Use panorama screenshots on main menu", "", true); fullscreen = loadPropBool("Fullres screenshots", "Take panorama screenshots without changing the render size", false); panoramaSize = loadPropInt("Panorama Picture Resolution", "", 256); } @SubscribeEvent public void loadMainMenu(GuiOpenEvent event) { if (overrideMainMenu && !overridenOnce && event.getGui() instanceof GuiMainMenu) { File mcDir = ModuleLoader.configFile.getParentFile().getParentFile(); File panoramasDir = new File(mcDir, "/screenshots/panoramas"); List<File[]> validFiles = new ArrayList(); ImmutableSet<String> set = ImmutableSet.of("panorama_0.png", "panorama_1.png", "panorama_2.png", "panorama_3.png", "panorama_4.png", "panorama_5.png"); if (panoramasDir.exists()) { File[] subDirs; File mainMenu = new File(panoramasDir, "main_menu"); if (mainMenu.exists()) subDirs = new File[] { mainMenu }; else subDirs = panoramasDir .listFiles((File f) -> f.isDirectory() && !f.getName().endsWith("fullres")); for (File f : subDirs) if (set.stream().allMatch((String s) -> new File(f, s).exists())) validFiles.add(f.listFiles((File f1) -> set.contains(f1.getName()))); } if (!validFiles.isEmpty()) { File[] files = validFiles.get(new Random().nextInt(validFiles.size())); Arrays.sort(files); Minecraft mc = Minecraft.getMinecraft(); ResourceLocation[] resources = new ResourceLocation[6]; for (int i = 0; i < resources.length; i++) { File f = files[i]; try { BufferedImage img = ImageIO.read(f); DynamicTexture tex = new DynamicTexture(img); String name = "quark:" + f.getName(); resources[i] = mc.getTextureManager().getDynamicTextureLocation(name, tex); } catch (IOException e) { e.printStackTrace(); return; } } try { Field field = ReflectionHelper.findField(GuiMainMenu.class, LibObfuscation.TITLE_PANORAMA_PATHS); field.setAccessible(true); if (Modifier.isFinal(field.getModifiers())) { Field modfield = Field.class.getDeclaredField("modifiers"); modfield.setAccessible(true); modfield.setInt(field, field.getModifiers() & ~Modifier.FINAL); } field.set(null, resources); } catch (Exception e) { e.printStackTrace(); } } overridenOnce = true; } } @SubscribeEvent public void takeScreenshot(ScreenshotEvent event) { if (takingPanorama) return; if (GuiScreen.isCtrlKeyDown() && GuiScreen.isShiftKeyDown() && Minecraft.getMinecraft().currentScreen == null) { takingPanorama = true; panoramaStep = 0; if (panoramaDir == null) panoramaDir = new File(event.getScreenshotFile().getParentFile(), "panoramas"); if (!panoramaDir.exists()) panoramaDir.mkdirs(); int i = 0; String ts = getTimestamp(); do { if (fullscreen) { if (i == 0) currentDir = new File(panoramaDir + "_fullres", ts); else currentDir = new File(panoramaDir, ts + "_" + i + "_fullres"); } else { if (i == 0) currentDir = new File(panoramaDir, ts); else currentDir = new File(panoramaDir, ts + "_" + i); } } while (currentDir.exists()); currentDir.mkdirs(); event.setCanceled(true); } } @SubscribeEvent public void renderTick(RenderTickEvent event) { Minecraft mc = Minecraft.getMinecraft(); if (takingPanorama) { if (event.phase == Phase.START) { if (panoramaStep == 0) { mc.gameSettings.hideGUI = true; currentWidth = mc.displayWidth; currentHeight = mc.displayHeight; rotationYaw = mc.player.rotationYaw; rotationPitch = mc.player.rotationPitch; if (!fullscreen) mc.resize(panoramaSize, panoramaSize); } switch (panoramaStep) { case 1: mc.player.rotationYaw = 180; mc.player.rotationPitch = 0; break; case 2: mc.player.rotationYaw = -90; mc.player.rotationPitch = 0; break; case 3: mc.player.rotationYaw = 0; mc.player.rotationPitch = 0; break; case 4: mc.player.rotationYaw = 90; mc.player.rotationPitch = 0; break; case 5: mc.player.rotationYaw = 180; mc.player.rotationPitch = -90; break; case 6: mc.player.rotationYaw = 180; mc.player.rotationPitch = 90; break; } mc.player.prevRotationYaw = mc.player.rotationYaw; mc.player.prevRotationPitch = mc.player.rotationPitch; } else { if (panoramaStep > 0) saveScreenshot(currentDir, "panorama_" + (panoramaStep - 1) + ".png", mc.displayWidth, mc.displayHeight, mc.getFramebuffer()); panoramaStep++; if (panoramaStep == 7) { mc.gameSettings.hideGUI = false; takingPanorama = false; mc.player.rotationYaw = rotationYaw; mc.player.rotationPitch = rotationYaw; mc.player.prevRotationYaw = mc.player.rotationYaw; mc.player.prevRotationPitch = mc.player.rotationPitch; mc.resize(currentWidth, currentHeight); } } } } public static void saveScreenshot(File dir, String screenshotName, int width, int height, Framebuffer buffer) { try { BufferedImage bufferedimage = ScreenShotHelper.createScreenshot(width, height, buffer); File file2 = new File(dir, screenshotName); net.minecraftforge.client.ForgeHooksClient.onScreenshot(bufferedimage, file2); ImageIO.write(bufferedimage, "png", file2); } catch (Exception exception) { } } private static String getTimestamp() { String s = DATE_FORMAT.format(new Date()).toString(); return s; } @Override public boolean hasSubscriptions() { return isClient(); } @Override public String getFeatureDescription() { return "Shift-Ctrl-F12 for panorama screenshot.\nPanoramas show up in the main menu.\nRename a panorama folder to 'main_menu' and it'll always show that one."; } }