SteamTools/source/SteamTool.SteamAPI/Wrappers/SteamApps008.cs

/* Copyright (c) 2019 Rick (rick 'at' gibbed 'dot' us)
 * 
 * This software is provided 'as-is', without any express or implied
 * warranty. In no event will the authors be held liable for any damages
 * arising from the use of this software.
 * 
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 * 
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would
 *    be appreciated but is not required.
 * 
 * 2. Altered source versions must be plainly marked as such, and must not
 *    be misrepresented as being the original software.
 * 
 * 3. This notice may not be removed or altered from any source
 *    distribution.
 */

using System;
using System.Runtime.InteropServices;
using System.Text;
using SAM.API.Interfaces;

namespace SAM.API.Wrappers
{
    public class SteamApps008 : NativeWrapper<ISteamApps008>
    {
        #region IsSubscribed
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        [return: MarshalAs(UnmanagedType.I1)]
        private delegate bool NativeIsSubscribedApp(IntPtr self, uint gameId);

        public bool IsSubscribedApp(uint gameId)
        {
            return this.Call<bool, NativeIsSubscribedApp>(this.Functions.IsSubscribedApp, this.ObjectAddress, gameId);
        }
        #endregion

        #region GetCurrentGameLanguage
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        private delegate IntPtr NativeGetCurrentGameLanguage(IntPtr self);

        public string GetCurrentGameLanguage()
        {
            var languagePointer = this.Call<IntPtr, NativeGetCurrentGameLanguage>(
                this.Functions.GetCurrentGameLanguage,
                this.ObjectAddress);
            return NativeStrings.PointerToString(languagePointer);
        }
        #endregion

        #region GetAvailableGameLanguages
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        private delegate IntPtr NativeGetAvailableGameLanguages(IntPtr self);

        public string GetAvailableGameLanguages()
        {
            var languagePointer = this.Call<IntPtr, NativeGetAvailableGameLanguages>(
                this.Functions.GetAvailableGameLanguages,
                this.ObjectAddress);
            return NativeStrings.PointerToString(languagePointer);
        }

        #endregion

        #region IsDlcInstalled
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        [return: MarshalAs(UnmanagedType.I1)]
        private delegate bool NativeIsDlcInstalled(IntPtr self, uint appid);
        public bool IsDlcInstalled(uint appid)
        {
            return this.Call<bool, NativeIsDlcInstalled>(this.Functions.IsDlcInstalled, this.ObjectAddress, appid);
        }
        #endregion

        #region IsAppInstalled
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        [return: MarshalAs(UnmanagedType.I1)]
        private delegate bool NativeIsAppInstalled(IntPtr self, uint appid);
        public bool IsAppInstalled(uint appid)
        {
            return this.Call<bool, NativeIsAppInstalled>(this.Functions.IsAppInstalled, this.ObjectAddress, appid);
        }
        #endregion

        #region IsSubscribedFromFamilySharing
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        [return: MarshalAs(UnmanagedType.I1)]
        private delegate bool NativeIsSubscribedFromFamilySharing(IntPtr self);
        public bool IsSubscribedFromFamilySharing()
        {
            return this.Call<bool, NativeIsSubscribedFromFamilySharing>(this.Functions.IsSubscribedFromFamilySharing, this.ObjectAddress);
        }
        #endregion

        #region IsSubscribedFromFreeWeekend
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        [return: MarshalAs(UnmanagedType.I1)]
        private delegate bool NativeIsSubscribedFromFreeWeekend(IntPtr self);
        public bool IsSubscribedFromFreeWeekend()
        {
            return this.Call<bool, NativeIsSubscribedFromFreeWeekend>(this.Functions.IsSubscribedFromFreeWeekend, this.ObjectAddress);
        }
        #endregion

        #region GetAppInstallDir
        [UnmanagedFunctionPointer(CallingConvention.ThisCall)]
        private delegate IntPtr NativeGetAppInstallDir(IntPtr self, uint appid, IntPtr pchFolder, uint cchFolderBufferSize);
        public string GetAppInstallDir(uint appID)
        {
            IntPtr mempchFolder = Helpers.TakeMemory();
            string pchFolder;
            this.GetFunction<NativeGetAppInstallDir>(this.Functions.GetAppInstallDir)(this.ObjectAddress, appID,mempchFolder, (1024 * 32));
            pchFolder = Helpers.MemoryToString(mempchFolder);
            return pchFolder;
        }
        #endregion
    }
}