bool Texture2D::LoadPOT(const std::string& imageFile, const Color& colorKey) {
SDL_Surface* image = NULL;
GLint colors;
GLenum format = 0;
if((image = IMG_Load(imageFile.c_str())) == NULL) {
image = NULL;
return false;
}
Width = (float)GetNearestPowerOfTwo(image->w);
Height = (float)GetNearestPowerOfTwo(image->h);
u = 1.f;
v = 1.f;
SDL_SetColorKey(image, SDL_SRCCOLORKEY, SDL_MapRGB(image->format, colorKey.R, colorKey.G, colorKey.B));
SDL_Surface* newImage = SDL_DisplayFormatAlpha(image);
colors = newImage->format->BytesPerPixel;
if(colors == 4) {
format = GL_RGBA;
if(newImage->format->Rmask == 0x000000ff)
format = GL_RGBA;
else
format = GL_BGRA;
} else if(colors == 3) {
format = GL_RGB;
if(newImage->format->Rmask == 0x000000ff)
format = GL_RGB;
else
format = GL_BGR;
} else {
std::cerr << "Warning: Image is not truecolor. This might break" << std::endl
<< "Image file: " << imageFile << std::endl;
}
if (textureID != 0)
glDeleteTextures(1, &textureID);
glGenTextures(1, &textureID);
glBindTexture(GL_TEXTURE_2D, textureID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, colors, Width, Height, 0, format, GL_UNSIGNED_BYTE, newImage->pixels);
if(image)
SDL_FreeSurface(image);
if(newImage)
SDL_FreeSurface(newImage);
image = NULL;
newImage = NULL;
return true;
}
bool WINAPI SFileSetMaxFileCount(HANDLE hMpq, DWORD dwMaxFileCount)
{
TMPQArchive * ha = (TMPQArchive *)hMpq;
DWORD dwNewHashTableSize = 0;
int nError = ERROR_SUCCESS;
// Test the valid parameters
if(!IsValidMpqHandle(hMpq))
nError = ERROR_INVALID_HANDLE;
if(ha->dwFlags & MPQ_FLAG_READ_ONLY)
nError = ERROR_ACCESS_DENIED;
if(dwMaxFileCount < ha->dwFileTableSize)
nError = ERROR_DISK_FULL;
// ALL file names must be known in order to be able to rebuild hash table
if(nError == ERROR_SUCCESS && ha->pHashTable != NULL)
{
nError = CheckIfAllFilesKnown(ha);
if(nError == ERROR_SUCCESS)
{
// Calculate the hash table size for the new file limit
dwNewHashTableSize = GetNearestPowerOfTwo(dwMaxFileCount);
// Rebuild both file tables
nError = RebuildFileTable(ha, dwNewHashTableSize);
}
}
// We always have to rebuild the (attributes) file due to file table change
if(nError == ERROR_SUCCESS)
{
// Invalidate (listfile) and (attributes)
InvalidateInternalFiles(ha);
// Rebuild the HET table, if we have any
if(ha->pHetTable != NULL)
nError = RebuildHetTable(ha);
}
// Return the error
if(nError != ERROR_SUCCESS)
SetLastError(nError);
return (nError == ERROR_SUCCESS);
}
bool WINAPI SFileCreateArchive2(const TCHAR * szMpqName, PSFILE_CREATE_MPQ pCreateInfo, HANDLE * phMpq)
{
TFileStream * pStream = NULL; // File stream
TMPQArchive * ha = NULL; // MPQ archive handle
TMPQHeader * pHeader;
ULONGLONG MpqPos = 0; // Position of MPQ header in the file
HANDLE hMpq = NULL;
DWORD dwBlockTableSize = 0; // Initial block table size
DWORD dwHashTableSize = 0;
DWORD dwReservedFiles = 0; // Number of reserved file entries
DWORD dwMpqFlags = 0;
int nError = ERROR_SUCCESS;
// Check the parameters, if they are valid
if(szMpqName == NULL || *szMpqName == 0 || pCreateInfo == NULL || phMpq == NULL)
{
SetLastError(ERROR_INVALID_PARAMETER);
return false;
}
// Verify if all variables in SFILE_CREATE_MPQ are correct
if((pCreateInfo->cbSize == 0 || pCreateInfo->cbSize > sizeof(SFILE_CREATE_MPQ)) ||
(pCreateInfo->dwMpqVersion > MPQ_FORMAT_VERSION_4) ||
(pCreateInfo->pvUserData != NULL || pCreateInfo->cbUserData != 0) ||
(pCreateInfo->dwAttrFlags & ~MPQ_ATTRIBUTE_ALL) ||
(pCreateInfo->dwSectorSize & (pCreateInfo->dwSectorSize - 1)) ||
(pCreateInfo->dwRawChunkSize & (pCreateInfo->dwRawChunkSize - 1)))
{
SetLastError(ERROR_INVALID_PARAMETER);
return false;
}
// One time initialization of MPQ cryptography
InitializeMpqCryptography();
// We verify if the file already exists and if it's a MPQ archive.
// If yes, we won't allow to overwrite it.
if(SFileOpenArchive(szMpqName, 0, STREAM_PROVIDER_FLAT | BASE_PROVIDER_FILE | MPQ_OPEN_NO_ATTRIBUTES | MPQ_OPEN_NO_LISTFILE, &hMpq))
{
SFileCloseArchive(hMpq);
SetLastError(ERROR_ALREADY_EXISTS);
return false;
}
//
// At this point, we have to create the archive.
// - If the file exists, convert it to MPQ archive.
// - If the file doesn't exist, create new empty file
//
pStream = FileStream_OpenFile(szMpqName, pCreateInfo->dwStreamFlags);
if(pStream == NULL)
{
pStream = FileStream_CreateFile(szMpqName, pCreateInfo->dwStreamFlags);
if(pStream == NULL)
return false;
}
// Increment the maximum amount of files to have space for (listfile)
if(pCreateInfo->dwMaxFileCount && pCreateInfo->dwFileFlags1)
{
dwMpqFlags |= MPQ_FLAG_LISTFILE_NEW;
dwReservedFiles++;
}
// Increment the maximum amount of files to have space for (attributes)
if(pCreateInfo->dwMaxFileCount && pCreateInfo->dwFileFlags2 && pCreateInfo->dwAttrFlags)
{
dwMpqFlags |= MPQ_FLAG_ATTRIBUTES_NEW;
dwReservedFiles++;
}
// Increment the maximum amount of files to have space for (signature)
if(pCreateInfo->dwMaxFileCount && pCreateInfo->dwFileFlags3)
{
dwMpqFlags |= MPQ_FLAG_SIGNATURE_NEW;
dwReservedFiles++;
}
// If file count is not zero, initialize the hash table size
dwHashTableSize = GetNearestPowerOfTwo(pCreateInfo->dwMaxFileCount + dwReservedFiles);
// Retrieve the file size and round it up to 0x200 bytes
FileStream_GetSize(pStream, &MpqPos);
MpqPos = (MpqPos + 0x1FF) & (ULONGLONG)0xFFFFFFFFFFFFFE00ULL;
if(!FileStream_SetSize(pStream, MpqPos))
nError = GetLastError();
#ifdef _DEBUG
// Debug code, used for testing StormLib
// dwBlockTableSize = dwHashTableSize * 2;
#endif
// Create the archive handle
if(nError == ERROR_SUCCESS)
{
if((ha = STORM_ALLOC(TMPQArchive, 1)) == NULL)
nError = ERROR_NOT_ENOUGH_MEMORY;
}
// Fill the MPQ archive handle structure
if(nError == ERROR_SUCCESS)
{
memset(ha, 0, sizeof(TMPQArchive));
ha->pfnHashString = HashStringSlash;
ha->pStream = pStream;
ha->dwSectorSize = pCreateInfo->dwSectorSize;
ha->UserDataPos = MpqPos;
ha->MpqPos = MpqPos;
ha->pHeader = pHeader = (TMPQHeader *)ha->HeaderData;
ha->dwMaxFileCount = dwHashTableSize;
ha->dwFileTableSize = 0;
ha->dwReservedFiles = dwReservedFiles;
ha->dwFileFlags1 = pCreateInfo->dwFileFlags1;
ha->dwFileFlags2 = pCreateInfo->dwFileFlags2;
ha->dwFileFlags3 = pCreateInfo->dwFileFlags3 ? MPQ_FILE_EXISTS : 0;
ha->dwAttrFlags = pCreateInfo->dwAttrFlags;
ha->dwFlags = dwMpqFlags | MPQ_FLAG_CHANGED;
pStream = NULL;
// Fill the MPQ header
memset(pHeader, 0, sizeof(ha->HeaderData));
pHeader->dwID = ID_MPQ;
pHeader->dwHeaderSize = MpqHeaderSizes[pCreateInfo->dwMpqVersion];
pHeader->dwArchiveSize = pHeader->dwHeaderSize + dwHashTableSize * sizeof(TMPQHash);
pHeader->wFormatVersion = (USHORT)pCreateInfo->dwMpqVersion;
pHeader->wSectorSize = GetSectorSizeShift(ha->dwSectorSize);
pHeader->dwHashTablePos = pHeader->dwHeaderSize;
pHeader->dwHashTableSize = dwHashTableSize;
pHeader->dwBlockTablePos = pHeader->dwHashTablePos + dwHashTableSize * sizeof(TMPQHash);
pHeader->dwBlockTableSize = dwBlockTableSize;
// For MPQs version 4 and higher, we set the size of raw data block
// for calculating MD5
if(pCreateInfo->dwMpqVersion >= MPQ_FORMAT_VERSION_4)
pHeader->dwRawChunkSize = pCreateInfo->dwRawChunkSize;
// Write the naked MPQ header
nError = WriteNakedMPQHeader(ha);
}
// Create initial HET table, if the caller required an MPQ format 3.0 or newer
if(nError == ERROR_SUCCESS && pCreateInfo->dwMpqVersion >= MPQ_FORMAT_VERSION_3 && pCreateInfo->dwMaxFileCount != 0)
{
ha->pHetTable = CreateHetTable(ha->dwFileTableSize, 0, 0x40, NULL);
if(ha->pHetTable == NULL)
nError = ERROR_NOT_ENOUGH_MEMORY;
}
// Create initial hash table
if(nError == ERROR_SUCCESS && dwHashTableSize != 0)
{
nError = CreateHashTable(ha, dwHashTableSize);
}
// Create initial file table
if(nError == ERROR_SUCCESS && ha->dwMaxFileCount != 0)
{
nError = CreateFileTable(ha, ha->dwMaxFileCount);
}
// Cleanup : If an error, delete all buffers and return
if(nError != ERROR_SUCCESS)
{
FileStream_Close(pStream);
FreeArchiveHandle(ha);
SetLastError(nError);
ha = NULL;
}
// Return the values
*phMpq = (HANDLE)ha;
return (nError == ERROR_SUCCESS);
}
