FileSystem.cs

using DynamicPatcher;
using PatcherYRpp.FileFormats;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PatcherYRpp
{
    public static class FileSystem
    {
        private static IntPtr ppPIPBRD_SHP = new IntPtr(0xAC1478);
        private static IntPtr ppPIPS_SHP = new IntPtr(0xAC147C);
        private static IntPtr ppPIPS2_SHP = new IntPtr(0xAC1480);
        private static IntPtr ppTALKBUBL_SHP = new IntPtr(0xAC1484);
        private static IntPtr ppWRENCH_SHP = new IntPtr(0x89DDC8);
        private static IntPtr ppPOWEROFF_SHP = new IntPtr(0x89DDC4);
        private static IntPtr ppGRFXTXT_SHP = new IntPtr(0xA8F794);
        private static IntPtr ppOREGATH_SHP = new IntPtr(0xB1CF98);

        public static ref Pointer<SHPStruct> PIPBRD_SHP => ref ppPIPBRD_SHP.Convert<Pointer<SHPStruct>>().Ref;
        public static ref Pointer<SHPStruct> PIPS_SHP => ref ppPIPS_SHP.Convert<Pointer<SHPStruct>>().Ref;
        public static ref Pointer<SHPStruct> PIPS2_SHP => ref ppPIPS2_SHP.Convert<Pointer<SHPStruct>>().Ref;
        public static ref Pointer<SHPStruct> TALKBUBL_SHP => ref ppTALKBUBL_SHP.Convert<Pointer<SHPStruct>>().Ref;
        public static ref Pointer<SHPStruct> WRENCH_SHP => ref ppWRENCH_SHP.Convert<Pointer<SHPStruct>>().Ref;
        public static ref Pointer<SHPStruct> POWEROFF_SHP => ref ppPOWEROFF_SHP.Convert<Pointer<SHPStruct>>().Ref;
        public static ref Pointer<SHPStruct> GRFXTXT_SHP => ref ppGRFXTXT_SHP.Convert<Pointer<SHPStruct>>().Ref;
        public static ref Pointer<SHPStruct> OREGATH_SHP => ref ppOREGATH_SHP.Convert<Pointer<SHPStruct>>().Ref;

        private static IntPtr pTEMPERAT_PAL = new IntPtr(0x885780);
        private static IntPtr pGRFXTXT_PAL = new IntPtr(0xA8F790);

        public static Pointer<BytePalette> TEMPERAT_PAL => pTEMPERAT_PAL;
        public static Pointer<BytePalette> GRFXTXT_PAL => pGRFXTXT_PAL;

        private static IntPtr ppCAMEO_PAL = new IntPtr(0x87F6B0);
        private static IntPtr ppUNITx_PAL = new IntPtr(0x87F6B4);
        private static IntPtr ppPALETTE_PAL = new IntPtr(0x886380);
        private static IntPtr ppx_PAL = new IntPtr(0x87F6B8);
        private static IntPtr ppGRFTXT_TIBERIUM_PAL = new IntPtr(0x87F6BC);
        private static IntPtr ppANIM_PAL = new IntPtr(0x87F6C0);
        private static IntPtr ppTHEATER_PAL = new IntPtr(0x87F6C4);
        private static IntPtr ppMOUSE_PAL = new IntPtr(0x87F6C8);
        private static IntPtr ppGRFXTXT_Convert = new IntPtr(0xA8F798);

        public static ref Pointer<ConvertClass> CAMEO_PAL => ref ppCAMEO_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> UNITx_PAL => ref ppUNITx_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> PALETTE_PAL => ref ppPALETTE_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> x_PAL => ref ppx_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> GRFTXT_TIBERIUM_PAL => ref ppGRFTXT_TIBERIUM_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> ANIM_PAL => ref ppANIM_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> THEATER_PAL => ref ppTHEATER_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> MOUSE_PAL => ref ppMOUSE_PAL.Convert<Pointer<ConvertClass>>().Ref;
        public static ref Pointer<ConvertClass> GRFXTXT_Convert => ref ppGRFXTXT_Convert.Convert<Pointer<ConvertClass>>().Ref;


        public static unsafe IntPtr LoadFile(string fileName, bool bLoadAsSHPReferenc = false)
        {
            var func = (delegate* unmanaged[Thiscall]<int, IntPtr, Bool, IntPtr>)ASM.FastCallTransferStation;
            return func(0x5B40B0, new AnsiString(fileName), bLoadAsSHPReferenc);
        }
        public static unsafe IntPtr LoadWholeFileEx(string fileName, out bool outAllocated)
        {
            var func = (delegate* unmanaged[Thiscall]<int, IntPtr, out Bool, IntPtr>)ASM.FastCallTransferStation;
            var ret = func(0x4A38D0, new AnsiString(fileName), out var tmp);

            outAllocated = tmp;
            return ret;
        }
        public static unsafe Pointer<T> LoadWholeFileEx<T>(string fileName, out bool outAllocated)
        {
            return LoadWholeFileEx(fileName, out outAllocated);
        }

        public static Pointer<SHPStruct> LoadSHPFile(string fileName)
        {
            return LoadFile(fileName, true);
        }

        public static unsafe Pointer<T> AllocateFile<T>(string fileName)
        {
            var file = YRMemory.Create<CCFileClass>(fileName);
            return file.Ref.ReadWholeFile();
        }

        public static unsafe Pointer<BytePalette> AllocatePalette(string fileName)
        {
            var pal = AllocateFile<BytePalette>(fileName);
            
            if(pal.IsNull == false)
            {
                var buffer = pal.Data.Entries;
                for (int idx = 0; idx < BytePalette.EntriesCount; idx++)
                {
                    buffer[idx].R <<= 2;
                    buffer[idx].G <<= 2;
                    buffer[idx].B <<= 2;
                }
            }

            return pal;
        }
    }
}