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https://github.com/Ryujinx/SDL2-CS.git
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Added additional RWops functions and partial SDL_RWops structure.
This commit is contained in:
James J. Kelly Jr
Ethan Lee
parent
eeadbf0709
commit
1c0c33ff5b
136
src/SDL2.cs
136
src/SDL2.cs
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@ -135,11 +135,63 @@ namespace SDL2
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#region SDL_rwops.h
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/* Note about SDL2# and Internal RWops:
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* These functions are currently not supported for public use.
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* They are only meant to be used internally in functions marked with
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* the phrase "THIS IS AN RWops FUNCTION!"
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*/
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public const int RW_SEEK_SET = 0;
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public const int RW_SEEK_CUR = 1;
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public const int RW_SEEK_END = 2;
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public const UInt32 SDL_RWOPS_UNKNOWN = 0; /* Unknown stream type */
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public const UInt32 SDL_RWOPS_WINFILE = 1; /* Win32 file */
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public const UInt32 SDL_RWOPS_STDFILE = 2; /* Stdio file */
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public const UInt32 SDL_RWOPS_JNIFILE = 3; /* Android asset */
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public const UInt32 SDL_RWOPS_MEMORY = 4; /* Memory stream */
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public const UInt32 SDL_RWOPS_MEMORY_RO = 5; /* Read-Only memory stream */
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate long SDLRWopsSizeCallback(
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IntPtr context);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate long SDLRWopsSeekCallback(
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IntPtr context,
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long offset,
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int whence);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate uint SDLRWopsReadCallback(
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IntPtr context,
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IntPtr ptr,
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uint size,
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uint maxnum);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate uint SDLRWopsWriteCallback(
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IntPtr context,
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IntPtr ptr,
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uint size,
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uint num);
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[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
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public delegate int SDLRWopsCloseCallback(
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IntPtr context);
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[StructLayout(LayoutKind.Sequential)]
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public unsafe struct SDL_RWops
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{
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public IntPtr size;
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public IntPtr seek;
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public IntPtr read;
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public IntPtr write;
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public IntPtr close;
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public UInt32 type;
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/*
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* This isn't the full structure since
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* the native SDL_RWops contains a hidden union full of
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* internal information and platform-specific stuff depending
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* on what conditions the native library was built with
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*/
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}
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/* IntPtr refers to an SDL_RWops* */
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[DllImport(nativeLibName, EntryPoint = "SDL_RWFromFile", CallingConvention = CallingConvention.Cdecl)]
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@ -147,7 +199,7 @@ namespace SDL2
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byte[] file,
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byte[] mode
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);
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internal static IntPtr INTERNAL_SDL_RWFromFile(
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public static IntPtr SDL_RWFromFile(
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string file,
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string mode
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) {
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@ -156,14 +208,26 @@ namespace SDL2
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UTF8_ToNative(mode)
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);
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}
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/* IntPtr refers to an SDL_RWops* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr SDL_AllocRW();
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/* These are the public RWops functions. They should be used by
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* functions marked with the phrase "THIS IS A PUBLIC RWops FUNCTION!"
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*/
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/* area refers to an SDL_RWops* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern void SDL_FreeRW(IntPtr area);
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/* fp refers to a void* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr SDL_RWFromFP(IntPtr fp, SDL_bool autoclose);
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/* mem refers to a void*, IntPtr to an SDL_RWops* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr SDL_RWFromMem(IntPtr mem, int size);
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/* mem refers to a const void*, IntPtr to an SDL_RWops* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern IntPtr SDL_RWFromConstMem(IntPtr mem, int size);
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/* Only available in SDL 2.0.10 or higher. */
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/* context refers to an SDL_RWops* */
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@ -204,6 +268,52 @@ namespace SDL2
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uint maxnum
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);
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/* Read endian functions */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern byte SDL_ReadU8(IntPtr src);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern UInt16 SDL_ReadLE16(IntPtr src);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern UInt16 SDL_ReadBE16(IntPtr src);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern UInt32 SDL_ReadLE32(IntPtr src);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern UInt32 SDL_ReadBE32(IntPtr src);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern UInt64 SDL_ReadLE64(IntPtr src);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern UInt64 SDL_ReadBE64(IntPtr src);
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/* Write endian functions */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint SDL_WriteU8(IntPtr dst, byte value);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint SDL_WriteLE16(IntPtr dst, UInt16 value);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint SDL_WriteBE16(IntPtr dst, UInt16 value);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint SDL_WriteLE32(IntPtr dst, UInt32 value);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint SDL_WriteBE32(IntPtr dst, UInt32 value);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint SDL_WriteLE64(IntPtr dst, UInt64 value);
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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public static extern uint SDL_WriteBE64(IntPtr dst, UInt64 value);
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/* Only available in SDL 2.0.10 or higher. */
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/* context refers to an SDL_RWops* */
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[DllImport(nativeLibName, CallingConvention = CallingConvention.Cdecl)]
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@ -3772,7 +3882,7 @@ namespace SDL2
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);
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public static IntPtr SDL_LoadBMP(string file)
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{
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IntPtr rwops = INTERNAL_SDL_RWFromFile(file, "rb");
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IntPtr rwops = SDL_RWFromFile(file, "rb");
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return INTERNAL_SDL_LoadBMP_RW(rwops, 1);
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}
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@ -3809,7 +3919,7 @@ namespace SDL2
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);
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public static int SDL_SaveBMP(IntPtr surface, string file)
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{
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IntPtr rwops = INTERNAL_SDL_RWFromFile(file, "wb");
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IntPtr rwops = SDL_RWFromFile(file, "wb");
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return INTERNAL_SDL_SaveBMP_RW(surface, rwops, 1);
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}
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@ -5880,7 +5990,7 @@ namespace SDL2
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);
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public static int SDL_GameControllerAddMappingsFromFile(string file)
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{
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IntPtr rwops = INTERNAL_SDL_RWFromFile(file, "rb");
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IntPtr rwops = SDL_RWFromFile(file, "rb");
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return INTERNAL_SDL_GameControllerAddMappingsFromRW(rwops, 1);
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}
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@ -6741,7 +6851,7 @@ namespace SDL2
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out uint audio_len
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) {
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SDL_AudioSpec result;
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IntPtr rwops = INTERNAL_SDL_RWFromFile(file, "rb");
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IntPtr rwops = SDL_RWFromFile(file, "rb");
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IntPtr result_ptr = INTERNAL_SDL_LoadWAV_RW(
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rwops,
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1,
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@ -184,7 +184,7 @@ namespace SDL2
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/* This is an RWops macro in the C header. */
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public static IntPtr Mix_LoadWAV(string file)
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{
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IntPtr rwops = SDL.INTERNAL_SDL_RWFromFile(file, "rb");
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IntPtr rwops = SDL.SDL_RWFromFile(file, "rb");
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return Mix_LoadWAV_RW(rwops, 1);
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}
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