107 lines
3.9 KiB
Java
107 lines
3.9 KiB
Java
// Copyright Daniel Ratcliffe, 2011-2022. Do not distribute without permission.
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//
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// SPDX-License-Identifier: LicenseRef-CCPL
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package dan200.computercraft.client.gui;
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import com.mojang.blaze3d.vertex.Tesselator;
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import dan200.computercraft.core.terminal.TextBuffer;
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import dan200.computercraft.shared.common.HeldItemMenu;
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import dan200.computercraft.shared.media.items.PrintoutItem;
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import net.minecraft.client.gui.GuiGraphics;
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import net.minecraft.client.gui.screens.inventory.AbstractContainerScreen;
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import net.minecraft.client.renderer.MultiBufferSource;
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import net.minecraft.network.chat.Component;
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import net.minecraft.world.entity.player.Inventory;
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import org.lwjgl.glfw.GLFW;
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import static dan200.computercraft.client.render.PrintoutRenderer.*;
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import static dan200.computercraft.client.render.RenderTypes.FULL_BRIGHT_LIGHTMAP;
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/**
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* The GUI for printed pages and books.
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*
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* @see dan200.computercraft.client.render.PrintoutRenderer
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*/
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public class PrintoutScreen extends AbstractContainerScreen<HeldItemMenu> {
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private final boolean book;
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private final int pages;
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private final TextBuffer[] text;
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private final TextBuffer[] colours;
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private int page;
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public PrintoutScreen(HeldItemMenu container, Inventory player, Component title) {
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super(container, player, title);
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imageHeight = Y_SIZE;
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var text = PrintoutItem.getText(container.getStack());
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this.text = new TextBuffer[text.length];
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for (var i = 0; i < this.text.length; i++) this.text[i] = new TextBuffer(text[i]);
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var colours = PrintoutItem.getColours(container.getStack());
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this.colours = new TextBuffer[colours.length];
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for (var i = 0; i < this.colours.length; i++) this.colours[i] = new TextBuffer(colours[i]);
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page = 0;
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pages = Math.max(this.text.length / PrintoutItem.LINES_PER_PAGE, 1);
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book = ((PrintoutItem) container.getStack().getItem()).getType() == PrintoutItem.Type.BOOK;
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}
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@Override
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public boolean keyPressed(int key, int scancode, int modifiers) {
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if (key == GLFW.GLFW_KEY_RIGHT) {
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if (page < pages - 1) page++;
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return true;
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}
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if (key == GLFW.GLFW_KEY_LEFT) {
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if (page > 0) page--;
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return true;
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}
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return super.keyPressed(key, scancode, modifiers);
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}
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@Override
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public boolean mouseScrolled(double x, double y, double deltaX, double deltaY) {
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if (super.mouseScrolled(x, y, deltaX, deltaY)) return true;
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if (deltaY < 0) {
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// Scroll up goes to the next page
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if (page < pages - 1) page++;
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return true;
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}
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if (deltaY > 0) {
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// Scroll down goes to the previous page
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if (page > 0) page--;
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return true;
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}
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return false;
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}
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@Override
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protected void renderBg(GuiGraphics graphics, float partialTicks, int mouseX, int mouseY) {
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// Draw the printout
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var renderer = MultiBufferSource.immediate(Tesselator.getInstance().getBuilder());
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drawBorder(graphics.pose(), renderer, leftPos, topPos, 0, page, pages, book, FULL_BRIGHT_LIGHTMAP);
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drawText(graphics.pose(), renderer, leftPos + X_TEXT_MARGIN, topPos + Y_TEXT_MARGIN, PrintoutItem.LINES_PER_PAGE * page, FULL_BRIGHT_LIGHTMAP, text, colours);
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renderer.endBatch();
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}
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@Override
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public void renderBackground(GuiGraphics graphics, int mouseX, int mouseY, float partialTicks) {
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// We must take the background further back in order to not overlap with our printed pages.
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graphics.pose().pushPose();
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graphics.pose().translate(0, 0, -1);
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super.renderBackground(graphics, mouseX, mouseY, partialTicks);
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graphics.pose().popPose();
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}
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@Override
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protected void renderLabels(GuiGraphics graphics, int mouseX, int mouseY) {
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// Skip rendering labels.
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}
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}
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