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VVVVVV/desktop_version/src/BinaryBlob.cpp

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#include "BinaryBlob.h"
#include <SDL.h>
#ifdef VVV_COMPILEMUSIC
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#include <stdio.h>
#endif
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#include "Exit.h"
#include "FileSystemUtils.h"
#include "UtilityClass.h"
#include "Vlogging.h"
binaryBlob::binaryBlob(void)
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{
numberofHeaders = 0;
SDL_zeroa(m_headers);
SDL_zeroa(m_memblocks);
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}
#ifdef VVV_COMPILEMUSIC
void binaryBlob::AddFileToBinaryBlob(const char* _path)
{
long size;
char * memblock;
FILE *file = fopen(_path, "rb");
if (file != NULL)
{
fseek(file, 0, SEEK_END);
size = ftell(file);
fseek(file, 0, SEEK_SET);
memblock = (char*) SDL_malloc(size);
if (memblock == NULL)
{
VVV_exit(1);
}
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fread(memblock, 1, size, file);
fclose(file);
vlog_info("The complete file size: %li", size);
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m_memblocks[numberofHeaders] = memblock;
for (int i = 0; _path[i]; i += 1)
{
m_headers[numberofHeaders].name[i] = _path[i];
}
m_headers[numberofHeaders].valid = true;
m_headers[numberofHeaders].size = size;
numberofHeaders += 1;
}
else
{
vlog_info("Unable to open file");
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}
}
void binaryBlob::writeBinaryBlob(const char* _name)
{
FILE *file = fopen(_name, "wb");
if (file != NULL)
{
fwrite((char*) &m_headers, 1, sizeof(m_headers), file);
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for (int i = 0; i < numberofHeaders; i += 1)
{
fwrite(m_memblocks[i], 1, m_headers[i].size, file);
}
fclose(file);
}
else
{
vlog_info("Unable to open new file for writing. Feels bad.");
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}
}
#endif
bool binaryBlob::unPackBinary(const char* name)
{
return FILESYSTEM_loadBinaryBlob(this, name);
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}
void binaryBlob::clear(void)
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{
for (size_t i = 0; i < SDL_arraysize(m_headers); i += 1)
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{
SDL_free(m_memblocks[i]);
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}
SDL_zeroa(m_memblocks);
SDL_zeroa(m_headers);
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}
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int binaryBlob::getIndex(const char* _name)
{
for (size_t i = 0; i < SDL_arraysize(m_headers); i += 1)
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{
if (SDL_strcmp(_name, m_headers[i].name) == 0 && m_headers[i].valid)
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{
return i;
}
}
return -1;
}
int binaryBlob::getSize(int _index)
{
if (!INBOUNDS_ARR(_index, m_headers))
{
vlog_error("getSize() out-of-bounds!");
return 0;
}
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return m_headers[_index].size;
}
char* binaryBlob::getAddress(int _index)
{
if (!INBOUNDS_ARR(_index, m_memblocks))
{
vlog_error("getAddress() out-of-bounds!");
return NULL;
}
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return m_memblocks[_index];
}
bool binaryBlob::nextExtra(size_t* start)
{
size_t* idx;
if (start == NULL)
{
return false;
}
for (idx = start; *idx < SDL_arraysize(m_headers); *idx += 1)
{
if (m_headers[*idx].valid
#define FOREACH_TRACK(_, track_name) && SDL_strcmp(m_headers[*idx].name, "data/" track_name) != 0
TRACK_NAMES(_)
) {
return true;
}
}
return false;
}