Roll commands done. Draw commands done. Untested.

src/NadekoBot/Modules/Administration/Administration.cs

@@ -432,7 +432,7 @@ namespace NadekoBot.Modules.Administration
         {
             var channel = (ITextChannel)umsg.Channel;
             topic = topic ?? "";
-            await (channel as ITextChannel).ModifyAsync(c => c.Topic = topic);
+            await channel.ModifyAsync(c => c.Topic = topic);
             await channel.SendMessageAsync(":ok: **New channel topic set.**").ConfigureAwait(false);
 
         }
@@ -467,7 +467,7 @@ namespace NadekoBot.Modules.Administration
         [RequirePermission(ChannelPermission.ManageMessages)]
         public async Task Prune(IUserMessage msg, int count)
         {
-            var channel = msg.Channel as ITextChannel;
+            var channel = (ITextChannel)msg.Channel;
             await (msg as IUserMessage).DeleteAsync();
             while (count > 0)
             {
@@ -485,7 +485,7 @@ namespace NadekoBot.Modules.Administration
         [RequireContext(ContextType.Guild)]
         public async Task Prune(IUserMessage msg, IGuildUser user, int count = 100)
         {
-            var channel = msg.Channel as ITextChannel;
+            var channel = (ITextChannel)msg.Channel;
             int limit = (count < 100) ? count : 100;
             var enumerable = (await msg.Channel.GetMessagesAsync(limit: limit)).Where(m => m.Author == user);
             await msg.Channel.DeleteMessagesAsync(enumerable);

src/NadekoBot/Modules/ClashOfClans/ClashOfClans.cs

@@ -27,11 +27,8 @@ namespace NadekoBot.Modules.ClashOfClans
                     uow.ClashOfClans
                         .GetAll()
                         .Select(cw => {
-                            cw.Channel = NadekoBot.Client.GetGuilds()
+                            cw.Channel = NadekoBot.Client.GetGuild(cw.GuildId)
-                                                        .FirstOrDefault(s => s.Id == cw.GuildId)?
+                                                         ?.GetTextChannel(cw.ChannelId);
-                                                        .GetChannels()
-                                                        .FirstOrDefault(c => c.Id == cw.ChannelId)
-                                                            as ITextChannel;
                             cw.Bases.Capacity = cw.Size;
                             return cw;
                         })
@@ -318,11 +315,8 @@ namespace NadekoBot.Modules.ClashOfClans
                     Bases = new List<ClashCaller>(size),
                     GuildId = serverId,
                     ChannelId = channelId,
-                    Channel = NadekoBot.Client.GetGuilds()
+                    Channel = NadekoBot.Client.GetGuild(serverId)
-                                    .FirstOrDefault(s => s.Id == serverId)?
+                                       ?.GetTextChannel(channelId)
-                                    .GetChannels()
-                                    .FirstOrDefault(c => c.Id == channelId)
-                                        as ITextChannel
                 };
                 uow.ClashOfClans.Add(cw);
                 await uow.CompleteAsync();

src/NadekoBot/Modules/Gambling/Commands/DiceRollCommand.cs

@@ -1,11 +1,14 @@
 using Discord;
 using Discord.Commands;
+using ImageProcessorCore;
 using NadekoBot.Attributes;
 using NadekoBot.Extensions;
 using NadekoBot.Services;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using System.Resources;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 
@@ -17,94 +20,191 @@ namespace NadekoBot.Modules.Gambling
 
         [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
         [RequireContext(ContextType.Guild)]
-        public Task Roll(IUserMessage umsg, [Remainder] string arg = null) =>
+        public async Task Roll(IUserMessage umsg)
-            publicRoll(umsg, arg, true);
+        {
+            var channel = (ITextChannel)umsg.Channel;
+            if (channel == null)
+                return;
+            var rng = new NadekoRandom();
+            var gen = rng.Next(1, 101);
+
+            var num1 = gen / 10;
+            var num2 = gen % 10;
+            var imageStream = await Task.Run(() =>
+            {
+                var ms = new MemoryStream();
+                new[] { GetDice(num1), GetDice(num2) }.Merge().SaveAsPng(ms);
+                ms.Position = 0;
+                return ms;
+            });
+
+            await channel.SendFileAsync(imageStream, "dice.png", $"{umsg.Author.Mention} rolled " + Format.Code(gen.ToString())).ConfigureAwait(false);
+        }
 
         [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
         [RequireContext(ContextType.Guild)]
-        public Task Rolluo(IUserMessage umsg, [Remainder] string arg = null) =>
+        public async Task Roll(IUserMessage umsg, int num)
-            publicRoll(umsg, arg, false);
-        //todo drawing
-        private async Task publicRoll(IUserMessage umsg, string arg, bool ordered)
         {
             var channel = (ITextChannel)umsg.Channel;
-            var r = new NadekoRandom();
+            if (channel == null)
-            //if (string.IsNullOrWhiteSpace(arg))
+                return;
-            //{
-            //    var gen = r.Next(0, 101);
 
-            //    var num1 = gen / 10;
+            var ordered = true;
-            //    var num2 = gen % 10;
             
-            //    var imageStream = await new Image[2] { GetDice(num1), GetDice(num2) }.Merge().ToStream(ImageFormat.Png);
+            if (num < 1 || num > 30)
+            {
+                await channel.SendMessageAsync("Invalid number specified. You can roll up to 1-30 dice at a time.").ConfigureAwait(false);
+                num = 30;
+            }
 
-            //    await channel.SendFileAsync(imageStream, "dice.png").ConfigureAwait(false);
+            var rng = new NadekoRandom();
-            //    return;
+
-            //}
+            var dice = new List<Image>(num);
-            Match m;
+            var values = new List<int>(num);
-            if ((m = dndRegex.Match(arg)).Length != 0)
+            for (var i = 0; i < num; i++)
+            {
+                var randomNumber = rng.Next(1, 7);
+                var toInsert = dice.Count;
+                if (ordered)
+                {
+                    if (randomNumber == 6 || dice.Count == 0)
+                        toInsert = 0;
+                    else if (randomNumber != 1)
+                        for (var j = 0; j < dice.Count; j++)
+                        {
+                            if (values[j] < randomNumber)
+                            {
+                                toInsert = j;
+                                break;
+                            }
+                        }
+                }
+                else
+                {
+                    toInsert = dice.Count;
+                }
+                dice.Insert(toInsert, GetDice(randomNumber));
+                values.Insert(toInsert, randomNumber);
+            }
+
+            var bitmap = dice.Merge();
+            var ms = new MemoryStream();
+            bitmap.SaveAsPng(ms);
+            ms.Position = 0;
+            await channel.SendFileAsync(ms, "dice.png", $"{umsg.Author.Mention} rolled {values.Count} {(values.Count == 1 ? "die" : "dice")}. Total: **{values.Sum()}** Average: **{(values.Sum() / (1.0f * values.Count)).ToString("N2")}**").ConfigureAwait(false);
+        }
+        //todo merge into internallDndRoll and internalRoll
+        [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
+        [RequireContext(ContextType.Guild)]
+        public async Task Roll(IUserMessage umsg, string arg = "")
+        {
+            var channel = (ITextChannel)umsg.Channel;
+            if (channel == null)
+                return;
+
+            var ordered = true;
+            var rng = new NadekoRandom();
+            Match match;
+            if ((match = dndRegex.Match(arg)).Length != 0)
             {
                 int n1;
                 int n2;
-                if (int.TryParse(m.Groups["n1"].ToString(), out n1) &&
+                if (int.TryParse(match.Groups["n1"].ToString(), out n1) &&
-                    int.TryParse(m.Groups["n2"].ToString(), out n2) &&
+                    int.TryParse(match.Groups["n2"].ToString(), out n2) &&
                     n1 <= 50 && n2 <= 100000 && n1 > 0 && n2 > 0)
                 {
                     var arr = new int[n1];
                     for (int i = 0; i < n1; i++)
                     {
-                        arr[i] = r.Next(1, n2 + 1);
+                        arr[i] = rng.Next(1, n2 + 1);
                     }
                     var elemCnt = 0;
-                    await channel.SendMessageAsync($"`Rolled {n1} {(n1 == 1 ? "die" : "dice")} 1-{n2}.`\n`Result:` " + string.Join(", ", (ordered ? arr.OrderBy(x => x).AsEnumerable() : arr).Select(x => elemCnt++ % 2 == 0 ? $"**{x}**" : x.ToString()))).ConfigureAwait(false);
+                    await channel.SendMessageAsync($"`{umsg.Author.Mention} rolled {n1} {(n1 == 1 ? "die" : "dice")} 1-{n2}.`\n`Result:` " + string.Join(", ", (ordered ? arr.OrderBy(x => x).AsEnumerable() : arr).Select(x => elemCnt++ % 2 == 0 ? $"**{x}**" : x.ToString()))).ConfigureAwait(false);
                 }
-                return;
             }
-            //try
+        }
-            //{
-            //    var num = int.Parse(e.Args[0]);
-            //    if (num < 1) num = 1;
-            //    if (num > 30)
-            //    {
-            //        await channel.SendMessageAsync("You can roll up to 30 dice at a time.").ConfigureAwait(false);
-            //        num = 30;
-            //    }
-            //    var dices = new List<Image>(num);
-            //    var values = new List<int>(num);
-            //    for (var i = 0; i < num; i++)
-            //    {
-            //        var randomNumber = r.Next(1, 7);
-            //        var toInsert = dices.Count;
-            //        if (ordered)
-            //        {
-            //            if (randomNumber == 6 || dices.Count == 0)
-            //                toInsert = 0;
-            //            else if (randomNumber != 1)
-            //                for (var j = 0; j < dices.Count; j++)
-            //                {
-            //                    if (values[j] < randomNumber)
-            //                    {
-            //                        toInsert = j;
-            //                        break;
-            //                    }
-            //                }
-            //        }
-            //        else
-            //        {
-            //            toInsert = dices.Count;
-            //        }
-            //        dices.Insert(toInsert, GetDice(randomNumber));
-            //        values.Insert(toInsert, randomNumber);
-            //    }
 
-            //    var bitmap = dices.Merge();
+        [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
-            //    await channel.SendMessageAsync(values.Count + " Dice rolled. Total: **" + values.Sum() + "** Average: **" + (values.Sum() / (1.0f * values.Count)).ToString("N2") + "**").ConfigureAwait(false);
+        [RequireContext(ContextType.Guild)]
-            //    await channel.SendFileAsync("dice.png", bitmap.ToStream(ImageFormat.Png)).ConfigureAwait(false);
+        public async Task Rolluo(IUserMessage umsg, string arg = "")
-            //}
+        {
-            //catch
+            var channel = (ITextChannel)umsg.Channel;
-            //{
+            if (channel == null)
-            //    await channel.SendMessageAsync("Please enter a number of dice to roll.").ConfigureAwait(false);
+                return;
-            //}
+
+            var ordered = false;
+            var rng = new NadekoRandom();
+            Match match;
+            if ((match = dndRegex.Match(arg)).Length != 0)
+            {
+                int n1;
+                int n2;
+                if (int.TryParse(match.Groups["n1"].ToString(), out n1) &&
+                    int.TryParse(match.Groups["n2"].ToString(), out n2) &&
+                    n1 <= 50 && n2 <= 100000 && n1 > 0 && n2 > 0)
+                {
+                    var arr = new int[n1];
+                    for (int i = 0; i < n1; i++)
+                    {
+                        arr[i] = rng.Next(1, n2 + 1);
+                    }
+                    var elemCnt = 0;
+                    await channel.SendMessageAsync($"`{umsg.Author.Mention} rolled {n1} {(n1 == 1 ? "die" : "dice")} 1-{n2}.`\n`Result:` " + string.Join(", ", (ordered ? arr.OrderBy(x => x).AsEnumerable() : arr).Select(x => elemCnt++ % 2 == 0 ? $"**{x}**" : x.ToString()))).ConfigureAwait(false);
+                }
+            }
+        }
+
+        [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
+        [RequireContext(ContextType.Guild)]
+        public async Task Rolluo(IUserMessage umsg, int num)
+        {
+            var channel = (ITextChannel)umsg.Channel;
+            if (channel == null)
+                return;
+
+            var ordered = true;
+
+            if (num < 1 || num > 30)
+            {
+                await channel.SendMessageAsync("Invalid number specified. You can roll up to 1-30 dice at a time.").ConfigureAwait(false);
+                num = 30;
+            }
+
+            var rng = new NadekoRandom();
+
+            var dice = new List<Image>(num);
+            var values = new List<int>(num);
+            for (var i = 0; i < num; i++)
+            {
+                var randomNumber = rng.Next(1, 7);
+                var toInsert = dice.Count;
+                if (ordered)
+                {
+                    if (randomNumber == 6 || dice.Count == 0)
+                        toInsert = 0;
+                    else if (randomNumber != 1)
+                        for (var j = 0; j < dice.Count; j++)
+                        {
+                            if (values[j] < randomNumber)
+                            {
+                                toInsert = j;
+                                break;
+                            }
+                        }
+                }
+                else
+                {
+                    toInsert = dice.Count;
+                }
+                dice.Insert(toInsert, GetDice(randomNumber));
+                values.Insert(toInsert, randomNumber);
+            }
+
+            var bitmap = dice.Merge();
+            var ms = new MemoryStream();
+            bitmap.SaveAsPng(ms);
+            ms.Position = 0;
+            await channel.SendFileAsync(ms, "dice.png", $"{umsg.Author.Mention} rolled {values.Count} {(values.Count == 1 ? "die" : "dice")}. Total: **{values.Sum()}** Average: **{(values.Sum() / (1.0f * values.Count)).ToString("N2")}**").ConfigureAwait(false);
         }
 
         [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
@@ -113,7 +213,6 @@ namespace NadekoBot.Modules.Gambling
         {
             var channel = (ITextChannel)umsg.Channel;
             
-
             try
             {
                 int rolled;
@@ -140,14 +239,23 @@ namespace NadekoBot.Modules.Gambling
             }
         }
 
+        private Image GetDice(int num)
+        {
+            const string pathToImage = "data/images/dice";
+            if(num != 10)
+            {
+                using (var stream = File.OpenRead(Path.Combine(pathToImage, $"{num}.png")))
+                    return new Image(stream);
+            }
 
-        ////todo drawing
+            using (var one = File.OpenRead(Path.Combine(pathToImage, "1.png")))
-        //private Image GetDice(int num) => num != 10
+            using (var zero = File.OpenRead(Path.Combine(pathToImage, "0.png")))
-        //                                  ? Properties.Resources.ResourceManager.GetObject("_" + num) as Image
+            {
-        //                                  : new[]
+                Image imgOne = new Image(one);
-        //                                    {
+                Image imgZero = new Image(zero);
-        //                                      (Properties.Resources.ResourceManager.GetObject("_" + 1) as Image),
+
-        //                                      (Properties.Resources.ResourceManager.GetObject("_" + 0) as Image),
+                return new[] { imgOne, imgZero }.Merge();
-        //                                    }.Merge();
+            }
+        }
     }
 }

src/NadekoBot/Modules/Gambling/Commands/DrawCommand.cs

@@ -1,92 +1,70 @@
-//using Discord.Commands;
+using Discord;
-//using NadekoBot.Classes;
+using Discord.Commands;
-//using NadekoBot.Extensions;
+using ImageProcessorCore;
-//using NadekoBot.Modules.Gambling.Helpers;
+using NadekoBot.Attributes;
-//using System;
+using NadekoBot.Extensions;
-//using System.Collections.Concurrent;
+using NadekoBot.Modules.Gambling.Models;
-//using System.Collections.Generic;
+using System;
-//using System.Drawing;
+using System.Collections.Concurrent;
-//using System.Threading.Tasks;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
 
-////todo drawing
+namespace NadekoBot.Modules.Gambling
-//namespace NadekoBot.Modules.Gambling
+{
-//{
+    [Group]
-//    public class DrawCommand : DiscordCommand
+    public class DrawCommands
-//    {
+    {
-//        public DrawCommand(DiscordModule module) : base(module) { }
+        private static readonly ConcurrentDictionary<IGuild, Cards> AllDecks = new ConcurrentDictionary<IGuild, Cards>();
 
-//        public override void Init(CommandGroupBuilder cgb)
+        private const string cardsPath = "data/images/cards";
-//        {
+        [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
-//            cgb.CreateCommand(Module.Prefix + "draw")
+        [RequireContext(ContextType.Guild)]
-//                .Description($"Draws a card from the deck.If you supply number [x], she draws up to 5 cards from the deck. | `{Prefix}draw [x]`")
+        public async Task Draw(IUserMessage msg)
-//                .Parameter("count", ParameterType.Optional)
+        {
-//                .Do(DrawCardFunc());
+            var channel = (ITextChannel)msg.Channel;
+            var cards = AllDecks.GetOrAdd(channel.Guild, (s) => new Cards());
             
-//            cgb.CreateCommand(Module.Prefix + "shuffle")
+            var num = 1;
-//                .Alias(Module.Prefix + "sh")
+            var images = new List<Image>();
-//                .Description($"Reshuffles all cards back into the deck.|`{Prefix}shuffle`")
+            var cardObjects = new List<Cards.Card>();
-//                .Do(ReshuffleTask());
+            for (var i = 0; i < num; i++)
-//        }
+            {
+                if (cards.CardPool.Count == 0 && i != 0)
+                {
+                    await channel.SendMessageAsync("No more cards in a deck.").ConfigureAwait(false);
+                    break;
+                }
+                var currentCard = cards.DrawACard();
+                cardObjects.Add(currentCard);
+                using (var stream = File.OpenRead(Path.Combine(cardsPath, currentCard.GetName())))
+                    images.Add(new Image(stream));
+            }
+            MemoryStream bitmapStream = new MemoryStream();
+            images.Merge().SaveAsPng(bitmapStream);
+            bitmapStream.Position = 0;
+            await channel.SendFileAsync(bitmapStream, images.Count + " cards.jpg", $"{msg.Author.Mention} drew (TODO: CARD NAMES HERE)").ConfigureAwait(false);
+            if (cardObjects.Count == 5)
+            {
+                await channel.SendMessageAsync($"{msg.Author.Mention} `{Cards.GetHandValue(cardObjects)}`").ConfigureAwait(false);
+            }
+        }
 
-//        private static readonly ConcurrentDictionary<Discord.Server, Cards> AllDecks = new ConcurrentDictionary<Discord.Server, Cards>();
+        [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
+        [RequireContext(ContextType.Guild)]
+        public async Task Shuffle(IUserMessage imsg)
+        {
+            var channel = (ITextChannel)imsg.Channel;
 
-//        private static Func<CommandEventArgs, Task> ReshuffleTask()
+            AllDecks.AddOrUpdate(channel.Guild,
-//        {
+                    (s) => new Cards(),
-//            return async e =>
+                    (s, c) =>
-//            {
+                    {
-//                AllDecks.AddOrUpdate(e.Server,
+                        c.Restart();
-//                    (s) => new Cards(),
+                        return c;
-//                    (s, c) =>
+                    });
-//                    {
-//                        c.Restart();
-//                        return c;
-//                    });
 
-//                await channel.SendMessageAsync("Deck reshuffled.").ConfigureAwait(false);
+            await channel.SendMessageAsync("`Deck reshuffled.`").ConfigureAwait(false);
-//            };
+        }
-//        }
+    }
-
+}
-//        private Func<CommandEventArgs, Task> DrawCardFunc() => async (e) =>
-//        {
-//            var cards = AllDecks.GetOrAdd(e.Server, (s) => new Cards());
-
-//            try
-//            {
-//                var num = 1;
-//                var isParsed = int.TryParse(count, out num);
-//                if (!isParsed || num < 2)
-//                {
-//                    var c = cards.DrawACard();
-//                    await e.Channel.SendFile(c.Name + ".jpg", (Properties.Resources.ResourceManager.GetObject(c.Name) as Image).ToStream()).ConfigureAwait(false);
-//                    return;
-//                }
-//                if (num > 5)
-//                    num = 5;
-
-//                var images = new List<Image>();
-//                var cardObjects = new List<Cards.Card>();
-//                for (var i = 0; i < num; i++)
-//                {
-//                    if (cards.CardPool.Count == 0 && i != 0)
-//                    {
-//                        await channel.SendMessageAsync("No more cards in a deck.").ConfigureAwait(false);
-//                        break;
-//                    }
-//                    var currentCard = cards.DrawACard();
-//                    cardObjects.Add(currentCard);
-//                    images.Add(Properties.Resources.ResourceManager.GetObject(currentCard.Name) as Image);
-//                }
-//                var bitmap = images.Merge();
-//                await e.Channel.SendFile(images.Count + " cards.jpg", bitmap.ToStream()).ConfigureAwait(false);
-//                if (cardObjects.Count == 5)
-//                {
-//                    await channel.SendMessageAsync($"{umsg.Author.Mention} `{Cards.GetHandValue(cardObjects)}`").ConfigureAwait(false);
-//                }
-//            }
-//            catch (Exception ex)
-//            {
-//                Console.WriteLine("Error drawing (a) card(s) " + ex.ToString());
-//            }
-//        };
-//    }
-//}

src/NadekoBot/Modules/Games/Commands/PlantAndPickCommands.cs

@@ -14,7 +14,6 @@ using System.Security.Cryptography;
 using System.Threading;
 using System.Threading.Tasks;
 
-//todo rewrite
 namespace NadekoBot.Modules.Games
 {
     public partial class Games
@@ -150,6 +149,7 @@ namespace NadekoBot.Modules.Games
                 var file = GetRandomCurrencyImagePath();
                 IUserMessage msg;
                 var vowelFirst = new[] { 'a', 'e', 'i', 'o', 'u' }.Contains(Gambling.Gambling.CurrencyName[0]);
+                //todo add prefix
                 var msgToSend = $"Oh how Nice! **{imsg.Author.Username}** planted {(vowelFirst ? "an" : "a")} {Gambling.Gambling.CurrencyName}. Pick it using >pick";
                 if (file == null)
                 {
@@ -157,7 +157,6 @@ namespace NadekoBot.Modules.Games
                 }
                 else
                 {
-                    //todo add prefix
                     msg = await channel.SendFileAsync(file, msgToSend).ConfigureAwait(false);
                 }
                 plantedFlowers.AddOrUpdate(channel.Id, new List<IUserMessage>() { msg }, (id, old) => { old.Add(msg); return old; });
@@ -168,7 +167,7 @@ namespace NadekoBot.Modules.Games
             [RequirePermission(GuildPermission.ManageMessages)]
             public async Task Gencurrency(IUserMessage imsg)
             {
-                var channel = imsg.Channel as ITextChannel;
+                var channel = (ITextChannel)imsg.Channel;
                 if (channel == null)
                     return;
 

src/NadekoBot/Modules/Games/Commands/TriviaCommands.cs

@@ -34,7 +34,7 @@ namespace NadekoBot.Modules.Games
                     }).Where(t => t.Item1).Select(t => t.Item2).FirstOrDefault();
                     if (number < 0)
                         return;
-                    var triviaGame = new TriviaGame(channel.Guild, umsg.Channel as ITextChannel, showHints, number == 0 ? 10 : number);
+                    var triviaGame = new TriviaGame(channel.Guild, (ITextChannel)umsg.Channel, showHints, number == 0 ? 10 : number);
                     if (RunningTrivias.TryAdd(channel.Guild.Id, triviaGame))
                         await channel.SendMessageAsync($"**Trivia game started! {triviaGame.WinRequirement} points needed to win.**").ConfigureAwait(false);
                     else

src/NadekoBot/Modules/Searches/Searches.cs

@@ -52,7 +52,7 @@ $@"🌍 **Weather for** 【{obj["target"]}】
         public async Task Youtube(IUserMessage umsg, [Remainder] string query = null)
         {
             var channel = (ITextChannel)umsg.Channel;
-            if (!(await ValidateQuery(umsg.Channel as ITextChannel, query).ConfigureAwait(false))) return;
+            if (!(await ValidateQuery(channel, query).ConfigureAwait(false))) return;
             var result = (await _google.GetVideosByKeywordsAsync(query, 1)).FirstOrDefault();
             if (string.IsNullOrWhiteSpace(result))
             {
@@ -68,7 +68,7 @@ $@"🌍 **Weather for** 【{obj["target"]}】
         {
             var channel = (ITextChannel)umsg.Channel;
 
-            if (!(await ValidateQuery(umsg.Channel as ITextChannel, query).ConfigureAwait(false))) return;
+            if (!(await ValidateQuery(channel, query).ConfigureAwait(false))) return;
             await umsg.Channel.TriggerTypingAsync().ConfigureAwait(false);
             string result;
             try

src/NadekoBot/Modules/Utility/Commands/InfoCommands.cs

@@ -16,7 +16,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task ServerInfo(IUserMessage msg, string guild = null)
         {
-            var channel = msg.Channel as ITextChannel;
+            var channel = (ITextChannel)msg.Channel;
             guild = guild?.ToUpperInvariant();
             IGuild server;
             if (guild == null)
@@ -51,7 +51,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task ChannelInfo(IUserMessage msg, ITextChannel channel = null)
         {
-            var ch = channel ?? msg.Channel as ITextChannel;
+            var ch = channel ?? (ITextChannel)msg.Channel;
             if (ch == null)
                 return;
             var createdAt = new DateTime(2015, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc).AddMilliseconds(ch.Id >> 22);
@@ -67,7 +67,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task UserInfo(IUserMessage msg, IGuildUser usr = null)
         {
-            var channel = msg.Channel as ITextChannel;
+            var channel = (ITextChannel)msg.Channel;
             var user = usr ?? msg.Author as IGuildUser;
             if (user == null)
                 return;

src/NadekoBot/Modules/Utility/Commands/QuoteCommands.cs

@@ -18,7 +18,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task ShowQuote(IUserMessage umsg, string keyword)
         {
-            var channel = umsg.Channel as ITextChannel;
+            var channel = (ITextChannel)umsg.Channel;
 
             if (string.IsNullOrWhiteSpace(keyword))
                 return;
@@ -41,7 +41,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task AddQuote(IUserMessage umsg, string keyword, [Remainder] string text)
         {
-            var channel = umsg.Channel as ITextChannel;
+            var channel = (ITextChannel)umsg.Channel;
 
             if (string.IsNullOrWhiteSpace(keyword) || string.IsNullOrWhiteSpace(text))
                 return;
@@ -67,7 +67,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task DeleteQuote(IUserMessage umsg, string keyword)
         {
-            var channel = umsg.Channel as ITextChannel;
+            var channel = (ITextChannel)umsg.Channel;
 
             if (string.IsNullOrWhiteSpace(keyword))
                 return;
@@ -94,7 +94,7 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task DelAllQuotes(IUserMessage umsg, string keyword)
         {
-            var channel = umsg.Channel as ITextChannel;
+            var channel = (ITextChannel)umsg.Channel;
 
             if (string.IsNullOrWhiteSpace(keyword))
                 return;

src/NadekoBot/Modules/Utility/Utility.cs

@@ -83,7 +83,7 @@ namespace NadekoBot.Modules.Utility
 
             StringBuilder builder = new StringBuilder("```\n");
             var user = msg.Author as IGuildUser;
-            var perms = user.GetPermissions(msg.Channel as ITextChannel);
+            var perms = user.GetPermissions((ITextChannel)msg.Channel);
             foreach (var p in perms.GetType().GetProperties().Where(p => !p.GetGetMethod().GetParameters().Any()))
             {
                 builder.AppendLine($"{p.Name} : {p.GetValue(perms, null).ToString()}");
@@ -111,21 +111,22 @@ namespace NadekoBot.Modules.Utility
         [RequireContext(ContextType.Guild)]
         public async Task ServerId(IUserMessage msg)
         {
-            await msg.Reply($"This server's ID is {(msg.Channel as ITextChannel).Guild.Id}").ConfigureAwait(false);
+            await msg.Reply($"This server's ID is {((ITextChannel)msg.Channel).Guild.Id}").ConfigureAwait(false);
         }
 
         [LocalizedCommand, LocalizedDescription, LocalizedSummary, LocalizedAlias]
         [RequireContext(ContextType.Guild)]
         public async Task Roles(IUserMessage msg, IGuildUser target = null)
         {
-            var guild = (msg.Channel as ITextChannel).Guild;
+            var channel = (ITextChannel)msg.Channel;
+            var guild = channel.Guild;
             if (target != null)
             {
                 await msg.Reply($"`List of roles for **{target.Username}**:` \n• " + string.Join("\n• ", target.Roles.Except(new[] { guild.EveryoneRole }).OrderBy(r => r.Position)));
             }
             else
             {
-                await msg.Reply("`List of roles:` \n• " + string.Join("\n• ", (msg.Channel as ITextChannel).Guild.Roles.Except(new[] { guild.EveryoneRole }).OrderBy(r=>r.Position)));
+                await msg.Reply("`List of roles:` \n• " + string.Join("\n• ", guild.Roles.Except(new[] { guild.EveryoneRole }).OrderBy(r=>r.Position)));
             }
         }
 

src/NadekoBot/Resources/CommandStrings.Designer.cs

@@ -5622,7 +5622,7 @@ namespace NadekoBot.Resources {
         }
         
         /// <summary>
-        ///    Looks up a localized string similar to Rolls 0-100. If you supply a number [x] it rolls up to 30 normal dice (unordered). If you split 2 numbers with letter d (xdy) it will roll x dice from 1 to y..
+        ///    Looks up a localized string similar to Rolls X normal dice (up to 30) unordered. If you split 2 numbers with letter d (xdy) it will roll x dice from 1 to y..
         /// </summary>
         public static string rolluo_desc {
             get {

src/NadekoBot/Resources/CommandStrings.resx

@@ -1408,7 +1408,7 @@
     <value>rolluo</value>
   </data>
   <data name="rolluo_desc" xml:space="preserve">
-    <value>Rolls 0-100. If you supply a number [x] it rolls up to 30 normal dice (unordered). If you split 2 numbers with letter d (xdy) it will roll x dice from 1 to y.</value>
+    <value>Rolls X normal dice (up to 30) unordered. If you split 2 numbers with letter d (xdy) it will roll x dice from 1 to y.</value>
   </data>
   <data name="rolluo_summary" xml:space="preserve">
     <value>`$rolluo` or `$rolluo 7` or `$rolluo 3d5`</value>

src/NadekoBot/_Extensions/Extensions.cs

@@ -1,5 +1,6 @@
 using Discord;
 using Discord.WebSocket;
+using ImageProcessorCore;
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -266,5 +267,28 @@ namespace NadekoBot.Extensions
         public static ulong GB(this ulong value) => value.MB() * 1000;
 
         public static string Unmention(this string str) => str.Replace("@", "ම");
+
+        public static Image Merge(this IEnumerable<Image> images)
+        {
+            var imgList = images.ToList();
+
+            var canvas = new Image(imgList.Sum(img => img.Width), imgList.Max(img => img.Height));
+
+            var canvasPixels = canvas.Lock();
+            int offsetX = 0;
+            foreach (var img in imgList.Select(img=>img.Lock()))
+            {
+                for (int i = 0; i < img.Width; i++)
+                {
+                    for (int j = 0; j < img.Height; j++)
+                    {
+                        canvasPixels[i + offsetX, j] = img[i, j];
+                    }
+                }
+                offsetX += img.Width;                
+            }
+
+            return canvas;
+        }
     }
 }

src/NadekoBot/project.json

@@ -31,7 +31,8 @@
     "Microsoft.EntityFrameworkCore": "1.0.0",
     "Microsoft.EntityFrameworkCore.Design": "1.0.0-preview2-final",
     "Microsoft.EntityFrameworkCore.Sqlite": "1.0.0",
-    "CoreCLR-NCalc": "2.1.0"
+    "CoreCLR-NCalc": "2.1.0",
+    "ImageProcessorCore": "1.0.0-alpha1039"
   },
   "tools": {
     "Microsoft.EntityFrameworkCore.Tools": "1.0.0-preview2-final"

src/NadekoBot/project.lock.json

@@ -146,6 +146,34 @@
           "lib/netstandard1.3/Google.Apis.YouTube.v3.dll": {}
         }
       },
+      "ImageProcessorCore/1.0.0-alpha1039": {
+        "type": "package",
+        "dependencies": {
+          "System.Collections": "4.0.11",
+          "System.Diagnostics.Debug": "4.0.11",
+          "System.Diagnostics.Tools": "4.0.1",
+          "System.IO": "4.1.0",
+          "System.IO.Compression": "4.1.0",
+          "System.Linq": "4.1.0",
+          "System.Numerics.Vectors": "4.1.1",
+          "System.ObjectModel": "4.0.12",
+          "System.Resources.ResourceManager": "4.0.1",
+          "System.Runtime.CompilerServices.Unsafe": "4.0.0",
+          "System.Runtime.Extensions": "4.1.0",
+          "System.Runtime.InteropServices": "4.1.0",
+          "System.Runtime.Numerics": "4.0.1",
+          "System.Text.Encoding.Extensions": "4.0.11",
+          "System.Threading": "4.0.11",
+          "System.Threading.Tasks": "4.0.11",
+          "System.Threading.Tasks.Parallel": "4.0.1"
+        },
+        "compile": {
+          "lib/netstandard1.1/ImageProcessorCore.dll": {}
+        },
+        "runtime": {
+          "lib/netstandard1.1/ImageProcessorCore.dll": {}
+        }
+      },
       "Libuv/1.9.0": {
         "type": "package",
         "dependencies": {
@@ -2380,6 +2408,18 @@
           "lib/portable-net45+win8+wp80+wpa81/_._": {}
         }
       },
+      "System.Runtime.CompilerServices.Unsafe/4.0.0": {
+        "type": "package",
+        "dependencies": {
+          "System.Runtime": "4.1.0"
+        },
+        "compile": {
+          "lib/netstandard1.0/System.Runtime.CompilerServices.Unsafe.dll": {}
+        },
+        "runtime": {
+          "lib/netstandard1.0/System.Runtime.CompilerServices.Unsafe.dll": {}
+        }
+      },
       "System.Runtime.Extensions/4.1.0": {
         "type": "package",
         "dependencies": {
@@ -3371,6 +3411,16 @@
         "lib/portable-net45+netcore45+wpa81+wp8/Google.Apis.YouTube.v3.xml"
       ]
     },
+    "ImageProcessorCore/1.0.0-alpha1039": {
+      "sha512": "nNLCXniPRY+m59tIQRA71uQQGmbtL0GASzex7zIz0PH6M1/yHxgYtlXZQmeyfkJIrGhJmqJDlYwEu3aZxlTfHw==",
+      "type": "package",
+      "path": "ImageProcessorCore/1.0.0-alpha1039",
+      "files": [
+        "ImageProcessorCore.1.0.0-alpha1039.nupkg.sha512",
+        "ImageProcessorCore.nuspec",
+        "lib/netstandard1.1/ImageProcessorCore.dll"
+      ]
+    },
     "Libuv/1.9.0": {
       "sha512": "9Q7AaqtQhS8JDSIvRBt6ODSLWDBI4c8YxNxyCQemWebBFUtBbc6M5Vi5Gz1ZyIUlTW3rZK9bIr5gnVyv0z7a2Q==",
       "type": "package",
@@ -7249,6 +7299,19 @@
         "ref/xamarinwatchos10/_._"
       ]
     },
+    "System.Runtime.CompilerServices.Unsafe/4.0.0": {
+      "sha512": "LDvjxLx2fkThOFo/SC+901fJrh5artALmgzeSqnVxzvFp4q3HO8BkeLyshPdcbs5zpN7Xh9G23M6sDhgIPbG9A==",
+      "type": "package",
+      "path": "System.Runtime.CompilerServices.Unsafe/4.0.0",
+      "files": [
+        "System.Runtime.CompilerServices.Unsafe.4.0.0.nupkg.sha512",
+        "System.Runtime.CompilerServices.Unsafe.nuspec",
+        "ThirdPartyNotices.txt",
+        "dotnet_library_license.txt",
+        "lib/netstandard1.0/System.Runtime.CompilerServices.Unsafe.dll",
+        "lib/netstandard1.0/System.Runtime.CompilerServices.Unsafe.xml"
+      ]
+    },
     "System.Runtime.Extensions/4.1.0": {
       "sha512": "CUOHjTT/vgP0qGW22U4/hDlOqXmcPq5YicBaXdUR2UiUoLwBT+olO6we4DVbq57jeX5uXH2uerVZhf0qGj+sVQ==",
       "type": "package",
@@ -9037,6 +9100,7 @@
       "Google.Apis.Customsearch.v1 >= 1.16.0.466",
       "Google.Apis.Urlshortener.v1 >= 1.15.0.138",
       "Google.Apis.YouTube.v3 >= 1.15.0.582",
+      "ImageProcessorCore >= 1.0.0-alpha1039",
       "Microsoft.EntityFrameworkCore >= 1.0.0",
       "Microsoft.EntityFrameworkCore.Design >= 1.0.0-preview2-final",
       "Microsoft.EntityFrameworkCore.Sqlite >= 1.0.0",