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package de.torui.coflsky.handlers;
import de.torui.coflsky.Config;
import de.torui.coflsky.network.QueryServerCommands;
import de.torui.coflsky.network.WSClient;
import net.minecraft.client.gui.inventory.GuiChest;
import net.minecraft.client.gui.inventory.GuiContainer;
import net.minecraft.inventory.ContainerChest;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.Slot;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.CompressedStreamTools;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraftforge.client.event.GuiOpenEvent;
import net.minecraftforge.event.entity.player.ItemTooltipEvent;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Base64;
import java.util.HashMap;
import java.util.List;
public class DescriptionHandler {
private static class InventoryWrapper {
public String chestName;
public String fullInventoryNbt;
}
private static class DescModification {
public String type;
public String value;
public int line;
}
public static HashMap<ItemStack, DescModification[]> tooltipItemMap = new HashMap<>();
public static HashMap<String, DescModification[]> tooltipItemIdMap = new HashMap<>();
public static final DescModification[] EMPTY_ARRAY = new DescModification[0];
public static final NBTTagCompound EMPTY_COMPOUND = new NBTTagCompound();
private boolean IsOpen = true;
private boolean shouldUpdate = false;
public void Close() {
IsOpen = false;
}
public static String ExtractStackableIdFromItemStack(ItemStack stack) {
if (stack != null) {
try {
NBTTagCompound serialized = stack.serializeNBT();
String itemTag = serialized.getCompoundTag("tag").getCompoundTag("ExtraAttributes")
.getString("id");
if (itemTag != null && itemTag.length() > 1)
return itemTag + ":" + stack.stackSize;
return serialized.getCompoundTag("tag").getCompoundTag("display")
.getString("Name");
} catch (Exception e) {
}
}
return "";
}
public static String ExtractIdFromItemStack(ItemStack stack) {
if (stack != null) {
try {
String uuid = stack.serializeNBT().getCompoundTag("tag").getCompoundTag("ExtraAttributes")
.getString("uuid");
if (uuid.length() == 0) {
throw new Exception();
}
return uuid;
} catch (Exception e) {
}
}
return ExtractStackableIdFromItemStack(stack);
}
private DescModification[] getTooltipData(ItemStack itemStack) {
if (tooltipItemMap.containsKey(itemStack)) {
return tooltipItemMap.getOrDefault(itemStack, EMPTY_ARRAY);
}
String id = ExtractIdFromItemStack(itemStack);
if (tooltipItemIdMap.containsKey(id)) {
return tooltipItemIdMap.getOrDefault(id, EMPTY_ARRAY);
}
shouldUpdate = true;
return EMPTY_ARRAY;
}
/**
* Called when the inventory is opened
* checks for changes every once in a while and updates the description if
* there was a change found
*
* @param event
*/
public void loadDescriptionAndListenForChanges(GuiOpenEvent event) {
GuiContainer gc = (GuiContainer) event.gui;
loadDescriptionForInventory(event, gc, false);
int iteration = 1;
while (IsOpen) {
try {
Thread.sleep(300 + iteration++);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
if (shouldUpdate || hasAnyStackChanged(gc)) {
shouldUpdate = false;
loadDescriptionForInventory(event, gc, true);
// reduce update time since its more likely that more changes occure after one
iteration = 5;
}
if (iteration >= 30)
iteration = 29; // cap at 9 second update interval
}
}
private static boolean hasAnyStackChanged(GuiContainer gc) {
for (Slot obj : gc.inventorySlots.inventorySlots) {
ItemStack stack = obj.getStack();
if (stack != null && !tooltipItemMap.containsKey(stack)) {
return true;
}
}
return false;
}
private static void loadDescriptionForInventory(GuiOpenEvent event, GuiContainer gc, boolean skipLoadCheck) {
InventoryWrapper wrapper = new InventoryWrapper();
if (event.gui instanceof GuiChest) {
if (!skipLoadCheck)
waitForChestContentLoad(event, gc);
ContainerChest chest = (ContainerChest) ((GuiChest) event.gui).inventorySlots;
IInventory inv = chest.getLowerChestInventory();
if (inv.hasCustomName()) {
String chestName = inv.getName();
wrapper.chestName = chestName;
}
}
NBTTagCompound compound = new NBTTagCompound();
NBTTagList tl = new NBTTagList();
for (Slot obj : gc.inventorySlots.inventorySlots) {
ItemStack stack = obj.getStack();
if (stack != null) {
tl.appendTag(stack.serializeNBT());
} else {
tl.appendTag(EMPTY_COMPOUND);
}
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
compound.setTag("i", tl);
CompressedStreamTools.writeCompressed(compound, baos);
wrapper.fullInventoryNbt = Base64.getEncoder().encodeToString(baos.toByteArray());
List<ItemStack> stacks = new ArrayList<>();
for (Slot obj : gc.inventorySlots.inventorySlots) {
stacks.add(obj.getStack());
}
String data = WSClient.gson.toJson(wrapper);
String info = QueryServerCommands.PostRequest(Config.BaseUrl + "/api/mod/description/modifications", data);
DescModification[][] arr = WSClient.gson.fromJson(info, DescModification[][].class);
int i = 0;
for (ItemStack stack : stacks) {
tooltipItemMap.put(stack, arr[i]);
String id = ExtractIdFromItemStack(stack);
if (id.length() > 0)
tooltipItemIdMap.put(id, arr[i]);
i++;
}
} catch (IOException e) {
e.printStackTrace();
}
}
private static void waitForChestContentLoad(GuiOpenEvent event, GuiContainer gc) {
for (int i = 1; i < 10; i++) {
if (gc.inventorySlots.inventorySlots.get(gc.inventorySlots.inventorySlots.size() - 37).getStack() != null)
break;
try {
// incremental backoff to wait for all inventory packages to arrive
// (each slot is sent individually)
Thread.sleep(20 * i);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public void setTooltips(ItemTooltipEvent event) {
DescModification[] data = getTooltipData(event.itemStack);
if (data == null || data.length == 0)
return;
for (DescModification datum : data) {
if (event.toolTip.size() <= datum.line) {
System.out.println(
"Skipped line modification " + datum.line + " for " + event.itemStack.getDisplayName());
continue;
}
switch (datum.type) {
case "APPEND":
event.toolTip.add(datum.value);
break;
case "REPLACE":
event.toolTip.set(datum.line, datum.value);
break;
case "INSERT":
event.toolTip.add(datum.line, datum.value);
break;
case "DELETE":
event.toolTip.remove(datum.line);
break;
}
}
}
/**
* Called when the inventory is closed
*/
public static void emptyTooltipData() {
tooltipItemMap.clear();
tooltipItemIdMap.clear();
tooltipItemIdMap.clear();
}
}
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