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package de.hysky.skyblocker.skyblock.item;
import com.mojang.blaze3d.systems.RenderSystem;
import de.hysky.skyblocker.config.SkyblockerConfigManager;
import de.hysky.skyblocker.utils.Utils;
import net.fabricmc.fabric.api.client.screen.v1.ScreenEvents;
import net.fabricmc.loader.api.FabricLoader;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.font.TextRenderer;
import net.minecraft.client.gui.DrawContext;
import net.minecraft.client.gui.screen.Screen;
import net.minecraft.client.gui.screen.ingame.HandledScreen;
import net.minecraft.client.util.math.MatrixStack;
import net.minecraft.inventory.Inventory;
import net.minecraft.inventory.SimpleInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NbtCompound;
import net.minecraft.nbt.NbtInt;
import net.minecraft.nbt.NbtIo;
import net.minecraft.nbt.NbtList;
import net.minecraft.util.Identifier;
import org.jetbrains.annotations.NotNull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.nio.file.Path;
import java.util.Objects;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class BackpackPreview {
private static final Logger LOGGER = LoggerFactory.getLogger(BackpackPreview.class);
private static final Identifier TEXTURE = new Identifier("textures/gui/container/generic_54.png");
private static final Pattern ECHEST_PATTERN = Pattern.compile("Ender Chest.*\\((\\d+)/\\d+\\)");
private static final Pattern BACKPACK_PATTERN = Pattern.compile("Backpack.*\\(Slot #(\\d+)\\)");
private static final int STORAGE_SIZE = 27;
private static final Storage[] storages = new Storage[STORAGE_SIZE];
/**
* The profile id of the currently loaded backpack preview.
*/
private static String loaded;
private static Path saveDir;
public static void init() {
ScreenEvents.AFTER_INIT.register((client, screen, scaledWidth, scaledHeight) -> {
if (screen instanceof HandledScreen<?> handledScreen) {
ScreenEvents.remove(screen).register(screen1 -> updateStorage(handledScreen));
}
});
}
public static void tick() {
Utils.update(); // force update isOnSkyblock to prevent crash on disconnect
if (Utils.isOnSkyblock()) {
// save all dirty storages
saveStorages();
// update save dir based on sb profile id
String id = MinecraftClient.getInstance().getSession().getUuidOrNull().toString().replaceAll("-", "") + "/" + Utils.getProfileId();
if (!id.equals(loaded)) {
saveDir = FabricLoader.getInstance().getConfigDir().resolve("skyblocker/backpack-preview/" + id);
//noinspection ResultOfMethodCallIgnored
saveDir.toFile().mkdirs();
// load storage again because profile id changed
loaded = id;
loadStorages();
}
}
}
private static void loadStorages() {
for (int index = 0; index < STORAGE_SIZE; ++index) {
storages[index] = null;
File storageFile = saveDir.resolve(index + ".nbt").toFile();
if (storageFile.isFile()) {
try {
storages[index] = Storage.fromNbt(Objects.requireNonNull(NbtIo.read(storageFile)));
} catch (Exception e) {
LOGGER.error("Failed to load backpack preview file: " + storageFile.getName(), e);
}
}
}
}
private static void saveStorages() {
for (int index = 0; index < STORAGE_SIZE; ++index) {
if (storages[index] != null && storages[index].dirty) {
saveStorage(index);
}
}
}
private static void saveStorage(int index) {
try {
NbtIo.write(storages[index].toNbt(), saveDir.resolve(index + ".nbt").toFile());
storages[index].markClean();
} catch (Exception e) {
LOGGER.error("Failed to save backpack preview file: " + index + ".nbt", e);
}
}
private static void updateStorage(HandledScreen<?> handledScreen) {
String title = handledScreen.getTitle().getString();
int index = getStorageIndexFromTitle(title);
if (index != -1) {
storages[index] = new Storage(handledScreen.getScreenHandler().slots.get(0).inventory, title, true);
}
}
public static boolean renderPreview(DrawContext context, Screen screen, int index, int mouseX, int mouseY) {
if (index >= 9 && index < 18) index -= 9;
else if (index >= 27 && index < 45) index -= 18;
else return false;
if (storages[index] == null) return false;
int rows = (storages[index].size() - 9) / 9;
int x = mouseX + 184 >= screen.width ? mouseX - 188 : mouseX + 8;
int y = Math.max(0, mouseY - 16);
MatrixStack matrices = context.getMatrices();
matrices.push();
matrices.translate(0f, 0f, 400f);
RenderSystem.enableDepthTest();
context.drawTexture(TEXTURE, x, y, 0, 0, 176, rows * 18 + 17);
context.drawTexture(TEXTURE, x, y + rows * 18 + 17, 0, 215, 176, 7);
TextRenderer textRenderer = MinecraftClient.getInstance().textRenderer;
context.drawText(textRenderer, storages[index].name, x + 8, y + 6, 0x404040, false);
matrices.translate(0f, 0f, 200f);
for (int i = 9; i < storages[index].size(); ++i) {
ItemStack currentStack = storages[index].getStack(i);
int itemX = x + (i - 9) % 9 * 18 + 8;
int itemY = y + (i - 9) / 9 * 18 + 18;
if (SkyblockerConfigManager.get().general.itemInfoDisplay.itemRarityBackgrounds) {
ItemRarityBackgrounds.tryDraw(currentStack, context, itemX, itemY);
}
context.drawItem(currentStack, itemX, itemY);
context.drawItemInSlot(textRenderer, currentStack, itemX, itemY);
}
matrices.pop();
return true;
}
private static int getStorageIndexFromTitle(String title) {
Matcher echest = ECHEST_PATTERN.matcher(title);
if (echest.find()) return Integer.parseInt(echest.group(1)) - 1;
Matcher backpack = BACKPACK_PATTERN.matcher(title);
if (backpack.find()) return Integer.parseInt(backpack.group(1)) + 8;
return -1;
}
static class Storage {
private final Inventory inventory;
private final String name;
private boolean dirty;
private Storage(Inventory inventory, String name, boolean dirty) {
this.inventory = inventory;
this.name = name;
this.dirty = dirty;
}
private int size() {
return inventory.size();
}
private ItemStack getStack(int index) {
return inventory.getStack(index);
}
private void markClean() {
dirty = false;
}
@NotNull
private static Storage fromNbt(NbtCompound root) {
SimpleInventory inventory = new SimpleInventory(root.getList("list", NbtCompound.COMPOUND_TYPE).stream().map(NbtCompound.class::cast).map(ItemStack::fromNbt).toArray(ItemStack[]::new));
return new Storage(inventory, root.getString("name"), false);
}
@NotNull
private NbtCompound toNbt() {
NbtCompound root = new NbtCompound();
NbtList list = new NbtList();
for (int i = 0; i < size(); ++i) {
list.add(getStack(i).writeNbt(new NbtCompound()));
}
root.put("list", list);
root.put("size", NbtInt.of(size()));
root.putString("name", name);
return root;
}
}
}
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