ModInternals.cs

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using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Graphics;
using MP3Sharp;
using NVorbis;
using ReLogic.Graphics;
using ReLogic.Utilities;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Terraria.GameContent.Liquid;
using Terraria.ID;
using Terraria.Localization;
using Terraria.ModLoader.Audio;
using Terraria.ModLoader.Exceptions;
using Terraria.ModLoader.IO;
using Terraria.ModLoader.UI;
using Terraria.Utilities;

namespace Terraria.ModLoader
{
    partial class Mod
    {
        internal bool loading;
        private readonly Queue<Task> AsyncLoadQueue = new Queue<Task>();
        internal readonly IDictionary<string, Texture2D> textures = new Dictionary<string, Texture2D>();
        internal readonly IDictionary<string, SoundEffect> sounds = new Dictionary<string, SoundEffect>();
        internal readonly IDictionary<string, Music> musics = new Dictionary<string, Music>();
        internal readonly IDictionary<string, DynamicSpriteFont> fonts = new Dictionary<string, DynamicSpriteFont>();
        internal readonly IDictionary<string, Effect> effects = new Dictionary<string, Effect>();
        internal readonly IList<ModRecipe> recipes = new List<ModRecipe>();
        internal readonly IDictionary<string, ModItem> items = new Dictionary<string, ModItem>();
        internal readonly IDictionary<string, GlobalItem> globalItems = new Dictionary<string, GlobalItem>();
        internal readonly IDictionary<Tuple<string, EquipType>, EquipTexture> equipTextures = new Dictionary<Tuple<string, EquipType>, EquipTexture>();
        internal readonly IDictionary<string, ModPrefix> prefixes = new Dictionary<string, ModPrefix>();
        internal readonly IDictionary<string, ModDust> dusts = new Dictionary<string, ModDust>();
        internal readonly IDictionary<string, ModTile> tiles = new Dictionary<string, ModTile>();
        internal readonly IDictionary<string, GlobalTile> globalTiles = new Dictionary<string, GlobalTile>();
        internal readonly IDictionary<string, ModTileEntity> tileEntities = new Dictionary<string, ModTileEntity>();
        internal readonly IDictionary<string, ModWall> walls = new Dictionary<string, ModWall>();
        internal readonly IDictionary<string, GlobalWall> globalWalls = new Dictionary<string, GlobalWall>();
        internal readonly IDictionary<string, ModProjectile> projectiles = new Dictionary<string, ModProjectile>();
        internal readonly IDictionary<string, GlobalProjectile> globalProjectiles = new Dictionary<string, GlobalProjectile>();
        internal readonly IDictionary<string, ModNPC> npcs = new Dictionary<string, ModNPC>();
        internal readonly IDictionary<string, GlobalNPC> globalNPCs = new Dictionary<string, GlobalNPC>();
        internal readonly IDictionary<string, ModPlayer> players = new Dictionary<string, ModPlayer>();
        internal readonly IDictionary<string, ModMountData> mountDatas = new Dictionary<string, ModMountData>();
        internal readonly IDictionary<string, ModBuff> buffs = new Dictionary<string, ModBuff>();
        internal readonly IDictionary<string, GlobalBuff> globalBuffs = new Dictionary<string, GlobalBuff>();
        internal readonly IDictionary<string, ModWorld> worlds = new Dictionary<string, ModWorld>();
        internal readonly IDictionary<string, ModUgBgStyle> ugBgStyles = new Dictionary<string, ModUgBgStyle>();
        internal readonly IDictionary<string, ModSurfaceBgStyle> surfaceBgStyles = new Dictionary<string, ModSurfaceBgStyle>();
        internal readonly IDictionary<string, GlobalBgStyle> globalBgStyles = new Dictionary<string, GlobalBgStyle>();
        internal readonly IDictionary<string, ModWaterStyle> waterStyles = new Dictionary<string, ModWaterStyle>();
        internal readonly IDictionary<string, ModWaterfallStyle> waterfallStyles = new Dictionary<string, ModWaterfallStyle>();
        internal readonly IDictionary<string, GlobalRecipe> globalRecipes = new Dictionary<string, GlobalRecipe>();
        internal readonly IDictionary<string, ModTranslation> translations = new Dictionary<string, ModTranslation>();

        private void LoadTexture(string path, Stream stream, bool rawimg) {
            try {
                var texTask = rawimg
                    ? ImageIO.RawToTexture2DAsync(Main.instance.GraphicsDevice, new BinaryReader(stream))
                    : ImageIO.PngToTexture2DAsync(Main.instance.GraphicsDevice, stream);
                
                AsyncLoadQueue.Enqueue(texTask.ContinueWith(t => {
                    if (t.Exception != null)
                        throw new ResourceLoadException(
                            Language.GetTextValue("tModLoader.LoadErrorTextureFailedToLoad", path), t.Exception);

                    var tex = t.Result;
                    tex.Name = Name + "/" + path;
                    lock (textures)
                        textures[path] = tex;
                }));
            }
            catch (Exception e) {
                throw new ResourceLoadException(Language.GetTextValue("tModLoader.LoadErrorTextureFailedToLoad", path), e);
            }
            finally {
                stream.Close();
            }
        }

        private SoundEffect LoadSound(Stream stream, int length, string extension) {
            switch (extension) {
                case ".wav": 
                    if (!stream.CanSeek)
                        stream = new MemoryStream(stream.ReadBytes(length));
                    return SoundEffect.FromStream(stream);
                case ".mp3":
                    using (var mp3Stream = new MP3Stream(stream))
                    using (var ms = new MemoryStream()) {
                        mp3Stream.CopyTo(ms);
                        return new SoundEffect(ms.ToArray(), mp3Stream.Frequency, (AudioChannels)mp3Stream.ChannelCount);
                    }
                case ".ogg":
                    using (var reader = new VorbisReader(stream, true)) {
                        var buffer = new byte[reader.TotalSamples * 2 * reader.Channels];
                        var floatBuf = new float[buffer.Length / 2];
                        reader.ReadSamples(floatBuf, 0, floatBuf.Length);
                        MusicStreamingOGG.Convert(floatBuf, buffer);
                        return new SoundEffect(buffer, reader.SampleRate, (AudioChannels)reader.Channels);
                    }
            }
            throw new ResourceLoadException("Unknown sound extension "+extension);
        }

        private Music LoadMusic(string path, string extension) {
            path = "tmod:"+Name+'/'+path+extension;
            switch (extension) {
                case ".wav": return new MusicStreamingWAV(path);
                case ".mp3": return new MusicStreamingMP3(path);
                case ".ogg": return new MusicStreamingOGG(path);
            }
            throw new ResourceLoadException("Unknown music extension "+extension);
        }

        internal void SetupContent() {
            foreach (ModItem item in items.Values) {
                ItemLoader.SetDefaults(item.item, false);
                item.AutoStaticDefaults();
                item.SetStaticDefaults();
            }
            foreach (ModPrefix prefix in prefixes.Values) {
                prefix.AutoDefaults();
                prefix.SetDefaults();
            }
            foreach (ModDust dust in dusts.Values) {
                dust.SetDefaults();
            }
            foreach (ModTile tile in tiles.Values) {
                Main.tileTexture[tile.Type] = ModContent.GetTexture(tile.texture);
                TileLoader.SetDefaults(tile);
                if (TileID.Sets.HasOutlines[tile.Type]) {
                    Main.highlightMaskTexture[tile.Type] = ModContent.GetTexture(tile.HighlightTexture);
                }
                if (!string.IsNullOrEmpty(tile.chest)) {
                    TileID.Sets.BasicChest[tile.Type] = true;
                }
            }
            foreach (GlobalTile globalTile in globalTiles.Values) {
                globalTile.SetDefaults();
            }
            foreach (ModWall wall in walls.Values) {
                Main.wallTexture[wall.Type] = ModContent.GetTexture(wall.texture);
                wall.SetDefaults();
            }
            foreach (GlobalWall globalWall in globalWalls.Values) {
                globalWall.SetDefaults();
            }
            foreach (ModProjectile projectile in projectiles.Values) {
                ProjectileLoader.SetDefaults(projectile.projectile, false);
                projectile.AutoStaticDefaults();
                projectile.SetStaticDefaults();
            }
            foreach (ModNPC npc in npcs.Values) {
                NPCLoader.SetDefaults(npc.npc, false);
                npc.AutoStaticDefaults();
                npc.SetStaticDefaults();
            }
            foreach (ModMountData modMountData in mountDatas.Values) {
                var mountData = modMountData.mountData;
                mountData.modMountData = modMountData;
                MountLoader.SetupMount(mountData);
                Mount.mounts[modMountData.Type] = mountData;
            }
            foreach (ModBuff buff in buffs.Values) {
                Main.buffTexture[buff.Type] = ModContent.GetTexture(buff.texture);
                buff.SetDefaults();
            }
            foreach (ModWaterStyle waterStyle in waterStyles.Values) {
                LiquidRenderer.Instance._liquidTextures[waterStyle.Type] = ModContent.GetTexture(waterStyle.texture);
                Main.liquidTexture[waterStyle.Type] = ModContent.GetTexture(waterStyle.blockTexture);
            }
            foreach (ModWaterfallStyle waterfallStyle in waterfallStyles.Values) {
                Main.instance.waterfallManager.waterfallTexture[waterfallStyle.Type]
                    = ModContent.GetTexture(waterfallStyle.texture);
            }
        }

        internal void UnloadContent() {
            Unload();
            recipes.Clear();
            items.Clear();
            globalItems.Clear();
            equipTextures.Clear();
            prefixes.Clear();
            dusts.Clear();
            tiles.Clear();
            globalTiles.Clear();
            tileEntities.Clear();
            walls.Clear();
            globalWalls.Clear();
            players.Clear();
            projectiles.Clear();
            globalProjectiles.Clear();
            npcs.Clear();
            globalNPCs.Clear();
            buffs.Clear();
            globalBuffs.Clear();
            mountDatas.Clear();
            worlds.Clear();
            ugBgStyles.Clear();
            surfaceBgStyles.Clear();
            globalBgStyles.Clear();
            waterStyles.Clear();
            waterfallStyles.Clear();
            globalRecipes.Clear();
            translations.Clear();
            if (!Main.dedServ) {
                // Manually Dispose IDisposables to free up unmanaged memory immediately
                /* Skip this for now, too many mods don't unload properly and run into exceptions.
                foreach (var sound in sounds)
                {
                    sound.Value.Dispose();
                }
                foreach (var effect in effects)
                {
                    effect.Value.Dispose();
                }
                foreach (var texture in textures)
                {
                    texture.Value.Dispose();
                }
                */
            }
            sounds.Clear();
            effects.Clear();
            foreach (var tex in textures.Values)
                tex?.Dispose();
            textures.Clear();
            musics.Clear();
            fonts.Clear();
        }

        internal void Autoload() {
            if (Code == null)
                return;

            Interface.loadMods.SubProgressText = Language.GetTextValue("tModLoader.MSFinishingResourceLoading");
            while (AsyncLoadQueue.Count > 0)
                AsyncLoadQueue.Dequeue().Wait();

            AutoloadLocalization();
            IList<Type> modGores = new List<Type>();
            IList<Type> modSounds = new List<Type>();
            foreach (Type type in Code.GetTypes().OrderBy(type => type.FullName, StringComparer.InvariantCulture)) {
                if (type.IsAbstract || type.GetConstructor(new Type[0]) == null)//don't autoload things with no default constructor
                {
                    continue;
                }
                if (type.IsSubclassOf(typeof(ModItem))) {
                    AutoloadItem(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalItem))) {
                    AutoloadGlobalItem(type);
                }
                else if (type.IsSubclassOf(typeof(ModPrefix))) {
                    AutoloadPrefix(type);
                }
                else if (type.IsSubclassOf(typeof(ModDust))) {
                    AutoloadDust(type);
                }
                else if (type.IsSubclassOf(typeof(ModTile))) {
                    AutoloadTile(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalTile))) {
                    AutoloadGlobalTile(type);
                }
                else if (type.IsSubclassOf(typeof(ModTileEntity))) {
                    AutoloadTileEntity(type);
                }
                else if (type.IsSubclassOf(typeof(ModWall))) {
                    AutoloadWall(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalWall))) {
                    AutoloadGlobalWall(type);
                }
                else if (type.IsSubclassOf(typeof(ModProjectile))) {
                    AutoloadProjectile(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalProjectile))) {
                    AutoloadGlobalProjectile(type);
                }
                else if (type.IsSubclassOf(typeof(ModNPC))) {
                    AutoloadNPC(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalNPC))) {
                    AutoloadGlobalNPC(type);
                }
                else if (type.IsSubclassOf(typeof(ModPlayer))) {
                    AutoloadPlayer(type);
                }
                else if (type.IsSubclassOf(typeof(ModBuff))) {
                    AutoloadBuff(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalBuff))) {
                    AutoloadGlobalBuff(type);
                }
                else if (type.IsSubclassOf(typeof(ModMountData))) {
                    AutoloadMountData(type);
                }
                else if (type.IsSubclassOf(typeof(ModGore))) {
                    modGores.Add(type);
                }
                else if (type.IsSubclassOf(typeof(ModSound))) {
                    modSounds.Add(type);
                }
                else if (type.IsSubclassOf(typeof(ModWorld))) {
                    AutoloadModWorld(type);
                }
                else if (type.IsSubclassOf(typeof(ModUgBgStyle))) {
                    AutoloadUgBgStyle(type);
                }
                else if (type.IsSubclassOf(typeof(ModSurfaceBgStyle))) {
                    AutoloadSurfaceBgStyle(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalBgStyle))) {
                    AutoloadGlobalBgStyle(type);
                }
                else if (type.IsSubclassOf(typeof(ModWaterStyle))) {
                    AutoloadWaterStyle(type);
                }
                else if (type.IsSubclassOf(typeof(ModWaterfallStyle))) {
                    AutoloadWaterfallStyle(type);
                }
                else if (type.IsSubclassOf(typeof(GlobalRecipe))) {
                    AutoloadGlobalRecipe(type);
                }
                else if (type.IsSubclassOf(typeof(ModCommand))) {
                    AutoloadCommand(type);
                }
            }
            if (Properties.AutoloadGores) {
                AutoloadGores(modGores);
            }
            if (Properties.AutoloadSounds) {
                AutoloadSounds(modSounds);
            }
            if (Properties.AutoloadBackgrounds) {
                AutoloadBackgrounds();
            }
        }

        private void AutoloadItem(Type type) {
            ModItem item = (ModItem)Activator.CreateInstance(type);
            item.mod = this;
            string name = type.Name;
            if (item.Autoload(ref name)) {
                AddItem(name, item);
                var autoloadEquip = type.GetAttribute<AutoloadEquip>();
                if (autoloadEquip != null)
                    foreach (var equip in autoloadEquip.equipTypes)
                        AddEquipTexture(item, equip, item.Name, item.Texture + '_' + equip,
                            item.Texture + "_Arms", item.Texture + "_FemaleBody");
            }
        }

        private void AutoloadGlobalItem(Type type) {
            GlobalItem globalItem = (GlobalItem)Activator.CreateInstance(type);
            globalItem.mod = this;
            string name = type.Name;
            if (globalItem.Autoload(ref name)) {
                AddGlobalItem(name, globalItem);
            }
        }

        private void AutoloadPrefix(Type type) {
            ModPrefix prefix = (ModPrefix)Activator.CreateInstance(type);
            prefix.mod = this;
            string name = type.Name;
            if (prefix.Autoload(ref name)) {
                AddPrefix(name, prefix);
            }
        }

        private void AutoloadDust(Type type) {
            ModDust dust = (ModDust)Activator.CreateInstance(type);
            dust.mod = this;
            string name = type.Name;
            string texture = (type.Namespace + "." + type.Name).Replace('.', '/');
            if (dust.Autoload(ref name, ref texture)) {
                AddDust(name, dust, texture);
            }
        }

        private void AutoloadTile(Type type) {
            ModTile tile = (ModTile)Activator.CreateInstance(type);
            tile.mod = this;
            string name = type.Name;
            string texture = (type.Namespace + "." + type.Name).Replace('.', '/');
            if (tile.Autoload(ref name, ref texture)) {
                AddTile(name, tile, texture);
            }
        }

        private void AutoloadGlobalTile(Type type) {
            GlobalTile globalTile = (GlobalTile)Activator.CreateInstance(type);
            globalTile.mod = this;
            string name = type.Name;
            if (globalTile.Autoload(ref name)) {
                AddGlobalTile(name, globalTile);
            }
        }

        private void AutoloadTileEntity(Type type) {
            ModTileEntity tileEntity = (ModTileEntity)Activator.CreateInstance(type);
            tileEntity.mod = this;
            string name = type.Name;
            if (tileEntity.Autoload(ref name)) {
                AddTileEntity(name, tileEntity);
            }
        }

        private void AutoloadWall(Type type) {
            ModWall wall = (ModWall)Activator.CreateInstance(type);
            wall.mod = this;
            string name = type.Name;
            string texture = (type.Namespace + "." + type.Name).Replace('.', '/');
            if (wall.Autoload(ref name, ref texture)) {
                AddWall(name, wall, texture);
            }
        }

        private void AutoloadGlobalWall(Type type) {
            GlobalWall globalWall = (GlobalWall)Activator.CreateInstance(type);
            globalWall.mod = this;
            string name = type.Name;
            if (globalWall.Autoload(ref name)) {
                AddGlobalWall(name, globalWall);
            }
        }

        private void AutoloadProjectile(Type type) {
            ModProjectile projectile = (ModProjectile)Activator.CreateInstance(type);
            projectile.mod = this;
            string name = type.Name;
            if (projectile.Autoload(ref name)) {
                AddProjectile(name, projectile);
            }
        }

        private void AutoloadGlobalProjectile(Type type) {
            GlobalProjectile globalProjectile = (GlobalProjectile)Activator.CreateInstance(type);
            globalProjectile.mod = this;
            string name = type.Name;
            if (globalProjectile.Autoload(ref name)) {
                AddGlobalProjectile(name, globalProjectile);
            }
        }

        private void AutoloadNPC(Type type) {
            ModNPC npc = (ModNPC)Activator.CreateInstance(type);
            npc.mod = this;
            string name = type.Name;
            if (npc.Autoload(ref name)) {
                AddNPC(name, npc);
                var autoloadHead = type.GetAttribute<AutoloadHead>();
                if (autoloadHead != null) {
                    string headTexture = npc.HeadTexture;
                    AddNPCHeadTexture(npc.npc.type, headTexture);
                }
                var autoloadBossHead = type.GetAttribute<AutoloadBossHead>();
                if (autoloadBossHead != null) {
                    string headTexture = npc.BossHeadTexture;
                    AddBossHeadTexture(headTexture, npc.npc.type);
                }
            }
        }

        private void AutoloadGlobalNPC(Type type) {
            GlobalNPC globalNPC = (GlobalNPC)Activator.CreateInstance(type);
            globalNPC.mod = this;
            string name = type.Name;
            if (globalNPC.Autoload(ref name)) {
                AddGlobalNPC(name, globalNPC);
            }
        }

        private void AutoloadPlayer(Type type) {
            ModPlayer player = (ModPlayer)Activator.CreateInstance(type);
            player.mod = this;
            string name = type.Name;
            if (player.Autoload(ref name)) {
                AddPlayer(name, player);
            }
        }

        private void AutoloadBuff(Type type) {
            ModBuff buff = (ModBuff)Activator.CreateInstance(type);
            buff.mod = this;
            string name = type.Name;
            string texture = (type.Namespace + "." + type.Name).Replace('.', '/');
            if (buff.Autoload(ref name, ref texture)) {
                AddBuff(name, buff, texture);
            }
        }

        private void AutoloadGlobalBuff(Type type) {
            GlobalBuff globalBuff = (GlobalBuff)Activator.CreateInstance(type);
            globalBuff.mod = this;
            string name = type.Name;
            if (globalBuff.Autoload(ref name)) {
                AddGlobalBuff(name, globalBuff);
            }
        }

        private void AutoloadMountData(Type type) {
            ModMountData mount = (ModMountData)Activator.CreateInstance(type);
            mount.mod = this;
            string name = type.Name;
            string texture = (type.Namespace + "." + type.Name).Replace('.', '/');
            var extraTextures = new Dictionary<MountTextureType, string>();
            foreach (MountTextureType textureType in Enum.GetValues(typeof(MountTextureType))) {
                extraTextures[textureType] = texture + "_" + textureType.ToString();
            }
            if (mount.Autoload(ref name, ref texture, extraTextures)) {
                AddMount(name, mount, texture, extraTextures);
            }
        }

        private void AutoloadModWorld(Type type) {
            ModWorld modWorld = (ModWorld)Activator.CreateInstance(type);
            modWorld.mod = this;
            string name = type.Name;
            if (modWorld.Autoload(ref name)) {
                AddModWorld(name, modWorld);
            }
        }

        private void AutoloadBackgrounds() {
            foreach (string texture in textures.Keys.Where(t => t.StartsWith("Backgrounds/"))) {
                AddBackgroundTexture(Name + '/' + texture);
            }
        }

        private void AutoloadUgBgStyle(Type type) {
            ModUgBgStyle ugBgStyle = (ModUgBgStyle)Activator.CreateInstance(type);
            ugBgStyle.mod = this;
            string name = type.Name;
            if (ugBgStyle.Autoload(ref name)) {
                AddUgBgStyle(name, ugBgStyle);
            }
        }

        private void AutoloadSurfaceBgStyle(Type type) {
            ModSurfaceBgStyle surfaceBgStyle = (ModSurfaceBgStyle)Activator.CreateInstance(type);
            surfaceBgStyle.mod = this;
            string name = type.Name;
            if (surfaceBgStyle.Autoload(ref name)) {
                AddSurfaceBgStyle(name, surfaceBgStyle);
            }
        }

        private void AutoloadGlobalBgStyle(Type type) {
            GlobalBgStyle globalBgStyle = (GlobalBgStyle)Activator.CreateInstance(type);
            globalBgStyle.mod = this;
            string name = type.Name;
            if (globalBgStyle.Autoload(ref name)) {
                AddGlobalBgStyle(name, globalBgStyle);
            }
        }

        private void AutoloadWaterStyle(Type type) {
            ModWaterStyle waterStyle = (ModWaterStyle)Activator.CreateInstance(type);
            waterStyle.mod = this;
            string name = type.Name;
            string texture = (type.Namespace + "." + type.Name).Replace('.', '/');
            string blockTexture = texture + "_Block";
            if (waterStyle.Autoload(ref name, ref texture, ref blockTexture)) {
                AddWaterStyle(name, waterStyle, texture, blockTexture);
            }
        }

        private void AutoloadWaterfallStyle(Type type) {
            ModWaterfallStyle waterfallStyle = (ModWaterfallStyle)Activator.CreateInstance(type);
            waterfallStyle.mod = this;
            string name = type.Name;
            string texture = (type.Namespace + "." + type.Name).Replace('.', '/');
            if (waterfallStyle.Autoload(ref name, ref texture)) {
                AddWaterfallStyle(name, waterfallStyle, texture);
            }
        }

        private void AutoloadGores(IList<Type> modGores) {
            var modGoreNames = modGores.ToDictionary(t => t.Namespace + "." + t.Name);
            foreach (var texture in textures.Keys.Where(t => t.StartsWith("Gores/"))) {
                ModGore modGore = null;
                Type t;
                if (modGoreNames.TryGetValue(Name + "." + texture.Replace('/', '.'), out t))
                    modGore = (ModGore)Activator.CreateInstance(t);

                AddGore(Name + '/' + texture, modGore);
            }
        }

        private void AutoloadSounds(IList<Type> modSounds) {
            var modSoundNames = modSounds.ToDictionary(t => t.Namespace + "." + t.Name);
            foreach (var sound in sounds.Keys.Where(t => t.StartsWith("Sounds/"))) {
                string substring = sound.Substring("Sounds/".Length);
                SoundType soundType = SoundType.Custom;
                if (substring.StartsWith("Item/")) {
                    soundType = SoundType.Item;
                }
                else if (substring.StartsWith("NPCHit/")) {
                    soundType = SoundType.NPCHit;
                }
                else if (substring.StartsWith("NPCKilled/")) {
                    soundType = SoundType.NPCKilled;
                }
                ModSound modSound = null;
                Type t;
                if (modSoundNames.TryGetValue((Name + '/' + sound).Replace('/', '.'), out t))
                    modSound = (ModSound)Activator.CreateInstance(t);

                AddSound(soundType, Name + '/' + sound, modSound);
            }
            foreach (var music in musics.Keys.Where(t => t.StartsWith("Sounds/"))) {
                string substring = music.Substring("Sounds/".Length);
                if (substring.StartsWith("Music/")) {
                    AddSound(SoundType.Music, Name + '/' + music);
                }
            }
        }

        private void AutoloadGlobalRecipe(Type type) {
            GlobalRecipe globalRecipe = (GlobalRecipe)Activator.CreateInstance(type);
            globalRecipe.mod = this;
            string name = type.Name;
            if (globalRecipe.Autoload(ref name)) {
                AddGlobalRecipe(name, globalRecipe);
            }
        }

        private void AutoloadCommand(Type type) {
            var mc = (ModCommand)Activator.CreateInstance(type);
            mc.mod = this;
            var name = type.Name;
            if (mc.Autoload(ref name))
                AddCommand(name, mc);
        }

        private void AutoloadLocalization() {
            var modTranslationDictionary = new Dictionary<string, ModTranslation>();
            foreach (var translationFile in File.Where(entry => Path.GetExtension(entry.Name) == ".lang")) {
                // .lang files need to be UTF8 encoded.
                string translationFileContents = System.Text.Encoding.UTF8.GetString(File.GetBytes(translationFile));
                GameCulture culture = GameCulture.FromName(Path.GetFileNameWithoutExtension(translationFile.Name));

                using (StringReader reader = new StringReader(translationFileContents)) {
                    string line;
                    while ((line = reader.ReadLine()) != null) {
                        int split = line.IndexOf('=');
                        if (split < 0)
                            continue; // lines witout a = are ignored
                        string key = line.Substring(0, split).Trim().Replace(" ", "_");
                        string value = line.Substring(split + 1); // removed .Trim() since sometimes it is desired.
                        if (value.Length == 0) {
                            continue;
                        }
                        value = value.Replace("\\n", "\n");
                        // TODO: Maybe prepend key with filename: en.US.ItemName.lang would automatically assume "ItemName." for all entries.
                        //string key = key;
                        if (!modTranslationDictionary.TryGetValue(key, out ModTranslation mt))
                            modTranslationDictionary[key] = mt = CreateTranslation(key);
                        mt.AddTranslation(culture, value);
                    }
                }
            }

            foreach (var value in modTranslationDictionary.Values) {
                AddTranslation(value);
            }
        }
    }
}