gsla/source/main.cpp

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2020-07-09 21:35:34 +00:00
//
// GSLA - GS LZB Animation Tool
//
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include "c2_file.h"
#include "lzb.h"
//------------------------------------------------------------------------------
static void helpText()
{
printf("GSLA - v0.0\n");
printf("--------------\n");
printf("GS Lzb Animation Tool\n");
printf("\n");
printf("\ngsla [options] <input_file> <outfile>\n");
exit(-1);
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Local helper functions
static std::string toLower(const std::string s)
{
std::string result = s;
for (int idx = 0; idx < result.size(); ++idx)
{
result[ idx ] = (char)tolower(result[idx]);
}
return result;
}
// Case Insensitive
static bool endsWith(const std::string& S, const std::string& SUFFIX)
{
bool bResult = false;
std::string s = toLower(S);
std::string suffix = toLower(SUFFIX);
bResult = s.rfind(suffix) == (s.size()-suffix.size());
return bResult;
}
//------------------------------------------------------------------------------
int main(int argc, char* argv[])
{
char* pInfilePath = nullptr;
char* pOutfilePath = nullptr;
// index 0 is the executable name
if (argc < 2) helpText();
for (int idx = 1; idx < argc; ++idx )
{
char* arg = argv[ idx ];
if ('-' == arg[0])
{
// Parse as an option
// Currently I have no options, so I'll just skip
}
else if (nullptr == pInfilePath)
{
// Assume the first non-option is an input file path
pInfilePath = argv[ idx ];
}
else if (nullptr == pOutfilePath)
{
// Assume second non-option is an output file path
pOutfilePath = argv[ idx ];
}
else
{
// Oh Crap, we have a non-option, but we don't know what to do with
// it
printf("ERROR: Invalid option, Arg %d = %s\n\n", idx, argv[ idx ]);
helpText();
}
}
if (pInfilePath)
{
// See what we can do with the input file path
// could be a .gsla file, for a .c2 file, or maybe a series of .c1 files
if (endsWith(pInfilePath, ".c2") || endsWith(pInfilePath, "#c20000"))
{
// It's a C2 file
printf("Loading C2 File %s\n", pInfilePath);
C2File c2data( pInfilePath );
int frameCount = c2data.GetFrameCount();
if (frameCount < 1)
{
// c2 file can't be valid, if there are no frames
printf("C2 File seems invalid.\n");
helpText();
}
const std::vector<unsigned char*>& c1Datas = c2data.GetPixelMaps();
unsigned char workbuffer[64*1024];
for (int idx = 0; idx < frameCount; ++idx)
{
int compressedSize = LZB_Compress(workbuffer, c1Datas[ idx ], 32 * 1024);
printf("compressedSize = %d\n", compressedSize);
unsigned char validationBuffer[ 32 * 1024 ];
LZB_Decompress(validationBuffer, workbuffer, 32 * 1024);
if (0 == memcmp(c1Datas[ idx ], validationBuffer, 32*1024))
{
printf("Decompression Validated\n");
}
else
{
printf("Decompression Corrupted\n");
}
}
}
}
else
{
helpText();
}
return 0;
}