void Disposing()
{
if (RawData != null)
{
RawData.Dispose();
RawData = null;
}
}
public GMFileContent(byte[] data)
{
RawData = new UniquePtr(data);
byte *hdr_b = RawData.BPtr;
var basePtr = (SectionHeader *)hdr_b;
Form = basePtr;
if (Form->Identity != SectionHeaders.Form)
{
throw new InvalidDataException(ERR_NO_FORM);
}
SectionHeader *
hdr = basePtr + 1,
hdrEnd = (SectionHeader *)((IntPtr)basePtr + (int)Form->Size);
int headersMet = 0;
for (; hdr < hdrEnd; hdr = unchecked ((SectionHeader *)((IntPtr)hdr + (int)hdr->Size) + 1), ++headersMet)
{
Chunks.Add(hdr->Identity, (IntPtr)hdr);
for (int i = 0; i < HeaderOffsets.Length; i++)
{
if (((SectionHeader *)((byte *)basePtr + HeaderOffsets[i]))->Identity == hdr->Identity)
{
Console.Error.WriteLine($"WARNING: chunk {hdr->MagicString()} encountered (at least) twice! Only the last occurrence will be exported! (If you see this message, consider reversing manually.)");
}
}
if (HeaderOffsets.Length >= headersMet)
{
var ho = HeaderOffsets;
Array.Resize(ref ho, (headersMet == HeaderOffsets.Length) ? 1 : (headersMet + 2));
HeaderOffsets = ho;
}
HeaderOffsets[headersMet] = (byte *)hdr - (byte *)basePtr;
}
}
public static GMFile GetFile(byte[] data)
{
var ret = new GMFileContent();
var hdr_bp = new UniquePtr(data);
byte *hdr_b = hdr_bp.BPtr;
var basePtr = (SectionHeader *)hdr_b;
ret.Form = basePtr;
if (ret.Form->Identity != SectionHeaders.Form)
{
throw new InvalidDataException(ERR_NO_FORM);
}
SectionHeader *
hdr = basePtr + 1,
hdrEnd = (SectionHeader *)((IntPtr)basePtr + (int)ret.Form->Size);
int headersMet = 0;
while (hdr < hdrEnd)
{
switch (hdr->Identity)
{
case SectionHeaders.General:
ret.General = (SectionGeneral *)hdr;
break;
case SectionHeaders.Options:
ret.Options = (SectionOptions *)hdr;
break;
case SectionHeaders.Extensions:
ret.Extensions = (SectionUnknown *)hdr;
if (!ret.Extensions->IsEmpty())
{
Console.WriteLine("Warning: EXTN chunk is not empty, its content will not be exported!");
}
break;
case SectionHeaders.Sounds:
ret.Sounds = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Sprites:
ret.Sprites = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Backgrounds:
ret.Backgrounds = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Paths:
ret.Paths = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Scripts:
ret.Scripts = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Shaders:
ret.Shaders = (SectionUnknown *)hdr;
if (!ret.Shaders->IsEmpty())
{
Console.WriteLine("Warning: SHDR chunk is not empty, its content will not be exported!");
}
break;
case SectionHeaders.Fonts:
ret.Fonts = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Timelines:
ret.Timelines = (SectionUnknown *)hdr;
if (!ret.Timelines->IsEmpty())
{
Console.WriteLine("Warning: TMLN chunk is not empty, its content will not be exported!");
}
break;
case SectionHeaders.Objects:
ret.Objects = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Rooms:
ret.Rooms = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.DataFiles:
ret.DataFiles = (SectionUnknown *)hdr;
if (!ret.DataFiles->IsEmpty())
{
Console.WriteLine("Warning: DAFL chunk is not empty, its content will not be exported!");
}
break;
case SectionHeaders.TexturePage:
ret.TexturePages = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Code:
ret.Code = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Variables:
ret.Variables = (SectionRefDefs *)hdr;
break;
case SectionHeaders.Functions:
ret.Functions = (SectionRefDefs *)hdr;
break;
case SectionHeaders.Strings:
ret.Strings = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Textures:
ret.Textures = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Audio:
ret.Audio = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.AudioGroup:
ret.AudioGroup = (SectionUnknown *)hdr;
if (!ret.AudioGroup->IsEmpty())
{
Console.WriteLine("Warning: AGRP chunk is not empty, its content will not be exported!");
}
break;
case SectionHeaders.GNAL_Unk:
ret.GNAL_Unk = (SectionUnknown *)hdr;
if (!ret.GNAL_Unk->IsEmpty())
{
Console.WriteLine("Warning: GNAL chunk is not empty, its content will not be exported!");
}
break;
default:
var unk = (SectionUnknown *)hdr;
if (!unk->IsEmpty())
{
Console.WriteLine($"Warning: unknown chunk {hdr->Identity.ToChunkName()}, chunk is not empty, its content will not be exported!");
}
ret.UnknownChunks.Add(hdr->Identity, (IntPtr)unk);
break;
}
for (int i = 0; i < ret.HeaderOffsets.Length; i++)
{
if (((SectionHeader *)((byte *)basePtr + ret.HeaderOffsets[i]))->Identity == hdr->Identity)
{
Console.WriteLine($"WARNING: chunk {hdr->MagicString()} encountered (at least) twice! Only the last occurrence will be exported! (If you see this message, consider reversing manually.)");
}
}
if (ret.HeaderOffsets.Length >= headersMet)
{
var ho = ret.HeaderOffsets;
Array.Resize(ref ho, (headersMet == ret.HeaderOffsets.Length) ? 1 : (headersMet + 2));
ret.HeaderOffsets = ho;
}
ret.HeaderOffsets[headersMet++] = (byte *)hdr - (byte *)basePtr;
hdr = unchecked ((SectionHeader *)((IntPtr)hdr + (int)hdr->Size) + 1);
}
ret.RawData = hdr_bp;
return(new GMFile(ret));
}
public static GMFile GetFile(byte[] data)
{
var ret = new GMFileContent();
var hdr_bp = new UniquePtr(data);
byte *hdr_b = hdr_bp.BPtr;
var basePtr = (SectionHeader *)hdr_b;
ret.Form = basePtr;
if (ret.Form->Identity != SectionHeaders.Form)
{
throw new InvalidDataException(ERR_NO_FORM);
}
SectionHeader *
hdr = basePtr + 1,
hdrEnd = (SectionHeader *)((IntPtr)basePtr + (int)ret.Form->Size);
int headersMet = 0;
while (hdr < hdrEnd)
{
switch (hdr->Identity)
{
case SectionHeaders.General:
ret.General = (SectionGeneral *)hdr;
break;
case SectionHeaders.Options:
ret.Options = (SectionOptions *)hdr;
break;
case SectionHeaders.Extensions:
ret.Extensions = (SectionUnknown *)hdr;
break;
case SectionHeaders.Sounds:
ret.Sounds = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Sprites:
ret.Sprites = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Backgrounds:
ret.Backgrounds = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Paths:
ret.Paths = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Scripts:
ret.Scripts = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Shaders:
ret.Shaders = (SectionUnknown *)hdr;
break;
case SectionHeaders.Fonts:
ret.Fonts = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Timelines:
ret.Timelines = (SectionUnknown *)hdr;
break;
case SectionHeaders.Objects:
ret.Objects = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Rooms:
ret.Rooms = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.DataFiles:
ret.DataFiles = (SectionUnknown *)hdr;
break;
case SectionHeaders.TexturePage:
ret.TexturePages = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Code:
ret.Code = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Variables:
ret.Variables = (SectionRefDefs *)hdr;
break;
case SectionHeaders.Functions:
ret.Functions = (SectionRefDefs *)hdr;
break;
case SectionHeaders.Strings:
ret.Strings = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Textures:
ret.Textures = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.Audio:
ret.Audio = (SectionCountOffsets *)hdr;
break;
case SectionHeaders.AudioGroup:
ret.AudioGroup = (SectionUnknown *)hdr;
break;
}
ret.HeaderOffsets[headersMet++] = (byte *)hdr - (byte *)basePtr;
hdr = unchecked ((SectionHeader *)((IntPtr)hdr + (int)hdr->Size) + 1);
}
ret.RawData = hdr_bp;
return(new GMFile(ret));
}
public unsafe static GMFileContent GetFile(byte[] data)
{
var ret = new GMFileContent();
var hdr_bp = new UniquePtr(data);
byte* hdr_b = hdr_bp.BPtr;
var basePtr = (SectionHeader*)hdr_b;
ret.Form = basePtr;
if (ret.Form->Identity != SectionHeaders.Form)
throw new InvalidDataException(ERR_NO_FORM);
SectionHeader*
hdr = basePtr + 1,
hdrEnd = (SectionHeader*)((IntPtr)basePtr + (int)ret.Form->Size);
int headersMet = 0;
while (hdr < hdrEnd)
{
switch (hdr->Identity)
{
case SectionHeaders.General:
ret.General = (SectionGeneral*)hdr;
break;
case SectionHeaders.Options:
ret.Options = (SectionOptions*)hdr;
break;
case SectionHeaders.Extensions:
ret.Extensions = (SectionUnknown*)hdr;
break;
case SectionHeaders.Sounds:
ret.Sounds = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Sprites:
ret.Sprites = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Backgrounds:
ret.Backgrounds = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Paths:
ret.Paths = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Scripts:
ret.Scripts = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Shaders:
ret.Shaders = (SectionUnknown*)hdr;
break;
case SectionHeaders.Fonts:
ret.Fonts = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Timelines:
ret.Timelines = (SectionUnknown*)hdr;
break;
case SectionHeaders.Objects:
ret.Objects = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Rooms:
ret.Rooms = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.DataFiles:
ret.DataFiles = (SectionUnknown*)hdr;
break;
case SectionHeaders.TexturePage:
ret.TexturePages = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Code:
ret.Code = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Variables:
ret.Variables = (SectionRefDefs*)hdr;
break;
case SectionHeaders.Functions:
ret.Functions = (SectionRefDefs*)hdr;
break;
case SectionHeaders.Strings:
ret.Strings = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Textures:
ret.Textures = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.Audio:
ret.Audio = (SectionCountOffsets*)hdr;
break;
case SectionHeaders.AudioGroup:
ret.AudioGroup = (SectionUnknown*)hdr;
break;
}
ret.HeaderOffsets[headersMet++] = (byte*)hdr - (byte*)basePtr;
hdr = unchecked((SectionHeader*)((IntPtr)hdr + (int)hdr->Size) + 1);
}
ret.RawData = hdr_bp;
return ret;
}
