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Utils.cs
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Utils.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Xna.Framework;
using PowerfulSign.Core;
using Terraria;
using TShockAPI;
using TShockAPI.DB;
using UnifiedEconomyFramework;
namespace PowerfulSign
{
public static class Utils
{
#region PSSign辅助工具
internal static void ImportSign()
{
TShock.Log.ConsoleInfo("<PowerfulSign> 首次进入地图, 正在导入本地标牌数据...");
DB.AddSign(new(-1, -1, "导入标识, 请勿删除.", -1));
for (int i = 0; i < Main.sign.Length; i++)
{
var sign = Main.sign[i];
if (sign != null)
{
DB.AddSign(new(sign.x, sign.y, sign.text, -1));
//TShock.Log.ConsoleInfo($"已导入第 {i + 1} 条.");
}
}
TShock.Log.ConsoleInfo($"<PowerfulSign> 完成, 共导入 {Data.Signs.Count - 1} 条标牌数据.");
}
#endregion
#region 商店相关
public static int FindChestByGuessing(int X, int Y)
{
for (int i = 0; i < 8000; i++)
{
if (Main.chest[i] != null && new Rectangle(Main.chest[i].x, Main.chest[i].y, 2, 2).Contains(X, Y))
{
return i;
}
}
return -1;
}
/// <summary>
/// 表示是否为批量商店购买文本
/// </summary>
/// <param name="text"></param>
/// <param name="plr"></param>
/// <param name="sign"></param>
/// <returns>true为是, false为别的文本.</returns>
public static bool IsShop(string text, TSPlayer plr, Models.ShopSign sign)
{
if (sign is null)
return false;
try
{
if (text.Contains("\n"))
{
var lines = text.Split("\n");
if (lines[0].StartsWith("[") && lines[0].EndsWith("]"))
{
var maintype = lines[0].SearchString("[", "]").ToLower();
if (maintype == "customer")
{
if (!text.StartsWith("[Customer]\n请勿修改所有已存在文本, 直接输入要购买/出售的数量.\n"))
{
plr.SendErrorMessage($"购买/出售格式无效, 请勿随意改动原有文本.");
plr.SendSignDataVisiting(sign);
return true;
}
if (int.TryParse(lines[2], out int num) && num > 0)
{
var owner = TShock.UserAccounts.GetUserAccountByID(sign.Owner);
var cost = sign.Price * num;
var item = sign.Item;
var stack = sign.Stack * num;
if (sign.ShopType == Models.ShopSign.SELL)
sign.BuyItem(plr, owner, sign, item, stack, cost); //卖家卖就是玩家买
else
sign.SellItem(plr, owner, sign, item, stack, cost);
plr.SendShopText(sign);
}
else
{
plr.SendErrorMessage($"购买/出售数量无效, 请输入大于0的正整数.");
}
return true;
}
}
}
}
catch (Exception ex) { TShock.Log.ConsoleError(ex.Message); }
return false;
}
public static bool TryGetAccountByID(int id, out UserAccount account)
{
account = TShock.UserAccounts.GetUserAccountByID(id);
if (account == null) return false;
else return true;
}
public static void DropItem(int x, int y, Item item, Vector2 vector = default)
{
int number = Item.NewItem((int)x, (int)y, (int)(vector == default ? 0 : vector.X), (int)(vector == default ? 0 : vector.Y), item.type, item.stack, true, item.prefix, true, false);
NetMessage.SendData(21, -1, -1, null, number);
}
public async static Task<List<Item>> GetItemFromTile(int x, int y, OTAPI.Tile.ITile itile)
{
return await Task.Run(() =>
{
List<Item> list = new List<Item>(2)
{
[0] = new Item(),
[1] = new Item()
};
try
{
WorldGen.KillTile_GetItemDrops(x, y, itile, out int id, out int stack, out int secondaryitem, out int secondarystack);
list[0].SetDefaults(id);
list[0].stack = stack;
list[1].SetDefaults(id);
list[1].stack = stack;
}
catch { }
return list;
});
}
public static void UpdateChest(int index, List<int> slots) => slots.ForEach(s => UpdateChest(index, s));
public static void UpdateChest(int index, int slot) => NetMessage.SendData(32, -1, -1, null, index, slot);
#endregion
public static bool IsPointInCircle(Point p, Circle circle) => IsPointInCircle(p.X, p.Y, circle.Center.X, circle.Center.Y, circle.R);
public static bool IsPointInCircle(int x, int y, int cx, int cy, double r)
{
//到圆心的距离 是否大于半径。半径是R
//如O(x,y)点圆心,任意一点P(x1,y1) (x-x1)*(x-x1)+(y-y1)*(y-y1)>R*R 那么在圆外 反之在圆内
if (!((cx - x) * (cx - x) + (cy - y) * (cy - y) > r * r))
{
return true; //当前点在圆内
}
else
{
return false; //当前点在圆外
}
}
public class Circle//圆类
{
public Circle(Point point, double r)//构造函数
{
Center.X = point.X;
Center.X = point.Y;
this.R = r;
}
public int Is(Point point)//判断函数
{
double a = Math.Sqrt((Center.X - point.X) + (Center.Y - point.Y));//点到圆心的距离
if (a > R) return -1;
else if (a == R) return 0;
else return 1;
}
public Point Center;//圆心坐标
public double R;//圆半径
}
#region 一些拓展函数
public static List<string> Split(this string text, string splitText) => text.Split(new[] { splitText }, StringSplitOptions.None).ToList();
public async static void SendSignDataInCircle(this TSPlayer plr, int radius)
{
await Task.Run(() =>
{
var psp = plr.PSPlayer();
if (psp == null) return;
psp.LastSignIndex = psp.VisitingSign == null ? -1 : 0; //从第一个开始, 第零个一般是当前正在看的
lock (Data.Signs)
{
Data.Signs.Where(s => IsPointInCircle(s.X, s.Y, plr.TileX, plr.TileY, radius) && psp.VisitingSign != s).ToArray().ForEach(s => plr.SendSignData(s));
}
});
}
public static void SendSignDataDirect(this TSPlayer plr, Models.SignBase sign, bool open, int index)
{
try
{
var psp = plr.PSPlayer();
if (index == 0)
psp.LastSignIndex = 0;
if (open)
psp.VisitingSign = sign;
if (Netplay.Clients[plr.Index].IsConnected())
plr.SendRawData(new RawDataBuilder(PacketTypes.SignNew)
.PackInt16((short)index)
.PackInt16((short)sign.X)
.PackInt16((short)sign.Y)
.PackString(open ? sign.Text : sign.PromptText)
.PackByte((byte)plr.Index)
.PackByte(new BitsByte(!open))
.GetByteData());
}
catch (Exception ex) { TShock.Log.Error(ex.Message); }
}
public static void SendSignData(this TSPlayer plr, Models.SignBase sign)
{
var psp = plr.PSPlayer();
if (psp == null) return;
if (psp.LastSignIndex > 998) psp.LastSignIndex = -1;
psp.LastSignIndex++;
plr.SendSignDataDirect(sign, sign == psp.VisitingSign, psp.LastSignIndex);
}
public static void SendSignDataVisiting(this TSPlayer plr, Models.SignBase sign) => plr.SendSignDataDirect(sign, true, 0);
public static void SendShopText(this TSPlayer plr, Models.ShopSign sign)
{
var text = $"[Customer]\n请勿修改所有已存在文本, 直接输入要购买/出售的数量.\n";
plr.SendRawData(new RawDataBuilder(PacketTypes.SignNew).PackInt16((short)0).PackInt16((short)sign.X).PackInt16((short)sign.Y).PackString(text).PackByte((byte)plr.Index).PackByte(new BitsByte(false)).GetByteData());
}
public static UserAccount AccountEX(this TSPlayer plr) => plr.Account ?? new UserAccount() { ID = -2 };
public static PSPlayer PSPlayer(this TSPlayer plr) => plr.GetData<PSPlayer>("PSPlayer");
public static int ItemNumInInventory(this TSPlayer plr, int type, int prefix)
{
int num = 0;
plr.TPlayer.inventory.ForEach(i => { if (i.type == type && (prefix == 0 ? true : i.prefix == prefix)) num += i.stack; });
return num;
}
public static void GiveItemEX(this TSPlayer plr, int type, int stack, int prefix)
{
var item = new Item();
item.SetDefaults(type);
int num = 0;
while (num < stack)
{
int itemID;
if (stack - num > item.maxStack)
{
itemID = Item.NewItem(plr.TPlayer.position, item.height, item.width, type, item.maxStack, false, prefix);
num += item.maxStack;
}
else
{
itemID = Item.NewItem(plr.TPlayer.position, item.height, item.width, type, stack - num, false, prefix);
num = stack;
}
NetMessage.SendData(90, -1, -1, null, itemID, 0);
}
}
/// <summary>
/// 玩家背包是否能装下指定数量物品
/// </summary>
/// <param name="plr"></param>
/// <param name="item"></param>
/// <returns></returns>
public static bool IsInventoryAviliable(this TSPlayer plr, Item item, int stack)
{
int num = 0;
plr.TPlayer.inventory.ForEach(i =>
{
if (i != null && i.type == item.type)
{
if (i.type == item.type)
{
num += item.maxStack - i.stack;
}
}
else num += item.maxStack;
});
if (stack <= num) return true;
return false;
}
/// <summary>
/// 是否成功从玩家背包删除指定数量物品
/// </summary>
/// <param name="plr"></param>
/// <param name="item"></param>
public static bool DelItemFromInventory(this TSPlayer plr, Item item, int stack) => plr.DelItemFromInventory(item.type, stack, item.prefix);
public static bool DelItemFromInventory(this TSPlayer plr, int type, int num, int prefix)
{
var tempnum = 0;
int slot = 0;
plr.TPlayer.inventory.ForEach(i =>
{
if (i != null && i.type == type && (prefix == 0 ? true : i.prefix == prefix))
{
if (tempnum < num)
{
if (num - tempnum >= i.stack)
{
tempnum += i.stack;
i.SetDefaults(0);
plr.SendData(PacketTypes.PlayerSlot, null, plr.Index, slot); //移除玩家背包内的物品
}
else
{
i.stack -= num - tempnum;
tempnum = num;
plr.SendData(PacketTypes.PlayerSlot, null, plr.Index, slot); //移除玩家背包内的物品
}
}
}
slot++;
});
if (tempnum == num) return true;
return false;
}
public static bool TakeMoney(this TSPlayer plr, long num) => UnifiedEconomyFramework.UEF.MoneyDown(plr.Name, num);
public static bool GiveMoney(this TSPlayer plr, long num) => UnifiedEconomyFramework.UEF.MoneyUp(plr.Name, num);
public static long Balance(this TSPlayer plr) => UnifiedEconomyFramework.UEF.Balance(plr.Name);
public static void SendCombatText(this TSPlayer plr, string text, Color color)
{
plr.SendData(PacketTypes.CreateCombatTextExtended, text, (int)color.PackedValue, plr.X, plr.Y);
}
public static void SendCombatText(this TSPlayer plr, string text, Color color, int tilex, int tiley)
{
plr.SendData(PacketTypes.CreateCombatTextExtended, text, (int)color.PackedValue, tilex * 16, tiley * 16);
}
public static void SendCombatText(this TSPlayer plr, string text, Color color, float x, float y)
{
plr.SendData(PacketTypes.CreateCombatTextExtended, text, (int)color.PackedValue, x, y);
}
public static string SearchString(this string s, string s1, string s2) //获取搜索到的数目
{
int n1, n2;
n1 = s.IndexOf(s1, 0) + s1.Length; //开始位置
n2 = s.IndexOf(s2, n1); //结束位置
return s.Substring(n1, n2 - n1); //取搜索的条数,用结束的位置-开始的位置,并返回
}
#endregion
}
}