ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/booklet/button/BookmarkButton.java

/*
 * This file ("BookmarkButton.java") is part of the Actually Additions mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://ellpeck.de/actaddlicense
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015-2017 Ellpeck
 */

package de.ellpeck.actuallyadditions.mod.booklet.button;

import com.mojang.blaze3d.matrix.MatrixStack;
import com.mojang.blaze3d.platform.GlStateManager;
import de.ellpeck.actuallyadditions.api.booklet.IBookletChapter;
import de.ellpeck.actuallyadditions.api.booklet.IBookletPage;
import de.ellpeck.actuallyadditions.mod.ActuallyAdditions;
import de.ellpeck.actuallyadditions.mod.booklet.gui.GuiBooklet;
import de.ellpeck.actuallyadditions.mod.booklet.gui.GuiPage;
import de.ellpeck.actuallyadditions.mod.booklet.misc.BookletUtils;
import de.ellpeck.actuallyadditions.mod.util.AssetUtil;
import de.ellpeck.actuallyadditions.mod.util.StackUtil;
import de.ellpeck.actuallyadditions.mod.util.StringUtil;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.client.gui.widget.button.Button;
import net.minecraft.item.ItemStack;
import net.minecraft.util.text.StringTextComponent;
import net.minecraft.util.text.TextFormatting;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;
import net.minecraftforge.fml.client.gui.GuiUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

@OnlyIn(Dist.CLIENT)
public class BookmarkButton extends Button {

    private final GuiBooklet booklet;
    public IBookletPage assignedPage;

    public BookmarkButton(int x, int y, GuiBooklet booklet) {
        super(x, y, 16, 16, StringTextComponent.EMPTY, btn -> {
            BookmarkButton button = (BookmarkButton) btn;
            if (button.assignedPage != null) {
                if (Screen.hasShiftDown()) {
                    button.assignedPage = null;
                } else if (!(button.booklet instanceof GuiPage) || ((GuiPage) button.booklet).pages[0] != button.assignedPage) {
                    GuiPage gui = BookletUtils.createPageGui(button.booklet.previousScreen, button.booklet, button.assignedPage);
                    Minecraft.getInstance().setScreen(gui);
                }
            } else {
                if (button.booklet instanceof GuiPage) {
                    button.assignedPage = ((GuiPage) button.booklet).pages[0];
                }
            }
        });
        this.booklet = booklet;
    }

    @Override
    public void render(MatrixStack matrices, int mouseX, int mouseY, float partialTicks) {
        if (this.visible) {
            Minecraft.getInstance().getTextureManager().bind(GuiBooklet.RES_LOC_GADGETS);
            GlStateManager._color4f(1.0F, 1.0F, 1.0F, 1.0F);
            this.isHovered = mouseX >= this.x && mouseY >= this.y && this.x < this.x + this.width && this.y < this.y + this.height;
            int offset = this.isHovered
                ? 1
                : 0;

            GlStateManager._enableBlend();
            GlStateManager._blendFuncSeparate(770, 771, 1, 0);
            GlStateManager._blendFunc(770, 771);
            int renderHeight = 25;
            this.blit(matrices, this.x, this.y, 224 + (this.assignedPage == null
                ? 0
                : 16), 14 - renderHeight + offset * renderHeight, this.width, renderHeight);

            // TODO: FIX THIS
            //            this.mouseDragged(minecraft, mouseX, mouseY);

            if (this.assignedPage != null) {
                ItemStack display = this.assignedPage.getChapter().getDisplayItemStack();
                if (StackUtil.isValid(display)) {
                    GlStateManager._pushMatrix();
                    AssetUtil.renderStackToGui(display, this.x + 2, this.y + 1, 0.725F);
                    GlStateManager._popMatrix();
                }
            }
        }
    }

    public void drawHover(MatrixStack stack, int mouseX, int mouseY) {
        if (this.isMouseOver(mouseX, mouseY)) {
            List<String> list = new ArrayList<>();

            if (this.assignedPage != null) {
                IBookletChapter chapter = this.assignedPage.getChapter();

                list.add(TextFormatting.GOLD + chapter.getLocalizedName() + ", Page " + (chapter.getPageIndex(this.assignedPage) + 1));
                list.add(StringUtil.localize("booklet." + ActuallyAdditions.MODID + ".bookmarkButton.bookmark.openDesc"));
                list.add(TextFormatting.ITALIC + StringUtil.localize("booklet." + ActuallyAdditions.MODID + ".bookmarkButton.bookmark.removeDesc"));
            } else {
                list.add(TextFormatting.GOLD + StringUtil.localize("booklet." + ActuallyAdditions.MODID + ".bookmarkButton.noBookmark.name"));

                if (this.booklet instanceof GuiPage) {
                    list.add(StringUtil.localize("booklet." + ActuallyAdditions.MODID + ".bookmarkButton.noBookmark.pageDesc"));
                } else {
                    list.add(StringUtil.localize("booklet." + ActuallyAdditions.MODID + ".bookmarkButton.noBookmark.notPageDesc"));
                }
            }

            Minecraft mc = Minecraft.getInstance();
            GuiUtils.drawHoveringText(stack, list.stream().map(StringTextComponent::new).collect(Collectors.toList()), mouseX, mouseY, mc.screen.width, mc.screen.height, -1, mc.font);
        }
    }
}