Java tutorial
/** * This class was created by <Vazkii>. It's distributed as * part of the Botania Mod. Get the Source Code in github: * https://github.com/Vazkii/Botania * * Botania is Open Source and distributed under a * Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License * (http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_GB) * * File Created @ [Jan 14, 2014, 6:48:05 PM (GMT)] */ package pixlepix.auracascade.lexicon; import net.minecraft.client.Minecraft; import net.minecraft.client.gui.FontRenderer; import net.minecraft.client.gui.GuiButton; import net.minecraft.client.gui.GuiScreen; import net.minecraft.item.ItemStack; import net.minecraft.util.ResourceLocation; import net.minecraft.util.StatCollector; import org.lwjgl.opengl.GL11; import pixlepix.auracascade.lexicon.button.GuiButtonBookmark; import pixlepix.auracascade.lexicon.button.GuiButtonCategory; import pixlepix.auracascade.lexicon.button.GuiButtonInvisible; import java.util.*; public class GuiLexicon extends GuiScreen { public static final int BOOKMARK_START = 1337; public static final ResourceLocation texture = new ResourceLocation(LibResources.GUI_LEXICON); private static final int TUTORIAL_ARROW_WIDTH = 10; private static final int TUTORIAL_ARROW_HEIGHT = 12; public static GuiLexicon currentOpenLexicon = new GuiLexicon(); public static ItemStack stackUsed; public static List<GuiLexicon> bookmarks = new ArrayList(); public static Queue<LexiconEntry> tutorial = new ArrayDeque(); public static ArrayList<LexiconEntry> tutorialMaster = new ArrayList<LexiconEntry>(); public float lastTime = 0F; public float partialTicks = 0F; public float timeDelta = 0F; boolean bookmarksNeedPopulation = false; List<LexiconCategory> allCategories; boolean hasTutorialArrow; int tutorialArrowX, tutorialArrowY; String title; int guiWidth = 146; int guiHeight = 180; int left, top; public static void startTutorial() { tutorial.clear(); for (LexiconEntry entry : tutorialMaster) { tutorial.add(entry); } } @Override public void initGui() { super.initGui(); allCategories = new ArrayList(CategoryManager.getAllCategories()); Collections.sort(allCategories); lastTime = ClientTickHandler.ticksInGame; currentOpenLexicon = this; title = stackUsed.getDisplayName(); left = width / 2 - guiWidth / 2; top = height / 2 - guiHeight / 2; buttonList.clear(); if (isIndex()) { int x = 18; for (int i = 0; i < 12; i++) { int y = 16 + i * 12; buttonList.add(new GuiButtonInvisible(i, left + x, top + y, 110, 10, "")); } populateIndex(); } else if (isCategoryIndex()) { int categories = allCategories.size(); for (int i = 0; i < categories + 1; i++) { LexiconCategory category; category = i >= categories ? null : allCategories.get(i); int x = i % 4; int y = i / 4; int size = 27; GuiButtonCategory button = new GuiButtonCategory(i, left + 18 + x * size, top + 35 + y * size, this, category); buttonList.add(button); } } populateBookmarks(); putTutorialArrow(); } @Override public void drawScreen(int par1, int par2, float par3) { float time = ClientTickHandler.ticksInGame + par3; timeDelta = time - lastTime; lastTime = time; partialTicks = par3; GL11.glColor4f(1F, 1F, 1F, 1F); mc.renderEngine.bindTexture(texture); drawTexturedModalRect(left, top, 0, 0, guiWidth, guiHeight); drawBookmark(left + guiWidth / 2, top - getTitleHeight(), getTitle(), true); String subtitle = getSubtitle(); if (subtitle != null) { GL11.glScalef(0.5F, 0.5F, 1F); drawCenteredString(fontRendererObj, subtitle, left * 2 + guiWidth, (top - getTitleHeight() + 11) * 2, 0x00FF00); GL11.glScalef(2F, 2F, 1F); } drawHeader(); if (bookmarksNeedPopulation) { populateBookmarks(); bookmarksNeedPopulation = false; } super.drawScreen(par1, par2, par3); if (hasTutorialArrow) { mc.renderEngine.bindTexture(texture); GL11.glEnable(GL11.GL_BLEND); GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA); GL11.glColor4f(1F, 1F, 1F, 0.7F + (float) (Math.sin((ClientTickHandler.ticksInGame + par3) * 0.3F) + 1) * 0.15F); drawTexturedModalRect(tutorialArrowX, tutorialArrowY, 20, 200, TUTORIAL_ARROW_WIDTH, TUTORIAL_ARROW_HEIGHT); GL11.glDisable(GL11.GL_BLEND); } } public void drawBookmark(int x, int y, String s, boolean drawLeft) { // This function is called from the buttons so I can't use fontRendererObj FontRenderer font = Minecraft.getMinecraft().fontRenderer; boolean unicode = font.getUnicodeFlag(); font.setUnicodeFlag(true); int l = font.getStringWidth(s); int fontOff = 0; if (!drawLeft) { x += l / 2; fontOff = 2; } Minecraft.getMinecraft().renderEngine.bindTexture(texture); GL11.glColor4f(1F, 1F, 1F, 1F); drawTexturedModalRect(x + l / 2 + 3, y - 1, 54, 180, 6, 11); if (drawLeft) drawTexturedModalRect(x - l / 2 - 9, y - 1, 61, 180, 6, 11); for (int i = 0; i < l + 6; i++) drawTexturedModalRect(x - l / 2 - 3 + i, y - 1, 60, 180, 1, 11); font.drawString(s, x - l / 2 + fontOff, y, 0x111111, false); font.setUnicodeFlag(unicode); } void drawHeader() { boolean unicode = fontRendererObj.getUnicodeFlag(); fontRendererObj.setUnicodeFlag(true); fontRendererObj.drawSplitString(String.format(StatCollector.translateToLocal("aura.gui.lexicon.header")), left + 18, top + 12, 110, 0); fontRendererObj.setUnicodeFlag(unicode); } @Override protected void actionPerformed(GuiButton par1GuiButton) { if (par1GuiButton.id >= BOOKMARK_START) handleBookmark(par1GuiButton); else if (par1GuiButton instanceof GuiButtonCategory) { LexiconCategory category = ((GuiButtonCategory) par1GuiButton).getCategory(); mc.displayGuiScreen(new GuiLexiconIndex(category)); ClientTickHandler.notifyPageChange(); } } public void handleBookmark(GuiButton par1GuiButton) { int i = par1GuiButton.id - BOOKMARK_START; if (i == bookmarks.size()) { if (!bookmarks.contains(this)) bookmarks.add(this); } else { if (isShiftKeyDown()) bookmarks.remove(i); else { GuiLexicon bookmark = bookmarks.get(i); Minecraft.getMinecraft().displayGuiScreen(bookmark); if (!bookmark.getTitle().equals(getTitle())) { if (bookmark instanceof IParented) ((IParented) bookmark).setParent(this); ClientTickHandler.notifyPageChange(); } } } bookmarksNeedPopulation = true; } @Override public boolean doesGuiPauseGame() { return false; } public int bookmarkWidth(String b) { boolean unicode = fontRendererObj.getUnicodeFlag(); fontRendererObj.setUnicodeFlag(true); int width = fontRendererObj.getStringWidth(b) + 15; fontRendererObj.setUnicodeFlag(unicode); return width; } String getTitle() { return title; } String getSubtitle() { return null; } int getTitleHeight() { return getSubtitle() == null ? 12 : 16; } boolean isIndex() { return false; } boolean isCategoryIndex() { return true; } void populateIndex() { List<LexiconCategory> categoryList = CategoryManager.getAllCategories(); int shift = 2; for (int i = shift; i < 12; i++) { int i_ = i - shift; GuiButtonInvisible button = (GuiButtonInvisible) buttonList.get(i); LexiconCategory category = i_ >= categoryList.size() ? null : categoryList.get(i_); if (category != null) button.displayString = StatCollector.translateToLocal(category.getUnlocalizedName()); else { button.displayString = StatCollector.translateToLocal("auramisc.lexiconIndex"); break; } } } void populateBookmarks() { List remove = new ArrayList(); List<GuiButton> buttons = buttonList; for (GuiButton button : buttons) if (button.id >= BOOKMARK_START) remove.add(button); buttonList.removeAll(remove); int len = bookmarks.size(); boolean thisExists = false; for (GuiLexicon lex : bookmarks) if (lex.getTitle().equals(getTitle())) thisExists = true; boolean addEnabled = len < 8 && this instanceof IParented && !thisExists; for (int i = 0; i < len + (addEnabled ? 1 : 0); i++) { boolean isAdd = i == bookmarks.size(); GuiLexicon gui = isAdd ? null : bookmarks.get(i); buttonList.add(new GuiButtonBookmark(BOOKMARK_START + i, left + 138, top + 18 + 14 * i, gui == null ? this : gui, gui == null ? "+" : gui.getTitle())); } } boolean closeScreenOnInvKey() { return true; } @Override protected void keyTyped(char par1, int par2) { if (closeScreenOnInvKey() && mc.gameSettings.keyBindInventory.getKeyCode() == par2) { mc.displayGuiScreen(null); mc.setIngameFocus(); } super.keyTyped(par1, par2); } public final void putTutorialArrow() { hasTutorialArrow = !tutorial.isEmpty(); if (hasTutorialArrow) positionTutorialArrow(); } public void positionTutorialArrow() { LexiconEntry entry = tutorial.peek(); LexiconCategory category = entry.category; List<GuiButton> buttons = buttonList; for (GuiButton button : buttons) if (button instanceof GuiButtonCategory) { GuiButtonCategory catButton = (GuiButtonCategory) button; if (catButton.getCategory() == category) { orientTutorialArrowWithButton(button); break; } } } public void orientTutorialArrowWithButton(GuiButton button) { if (button != null) { tutorialArrowX = button.xPosition - TUTORIAL_ARROW_WIDTH; tutorialArrowY = button.yPosition - TUTORIAL_ARROW_HEIGHT; } } }