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#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "global.h"
#include "util.h"
#include "gfx.h"
#include "convert_png.h"
#include "jasc_pal.h"
#include "lz.h"
void ConvertToPng(char *imageFilePath, char *paletteFilePath, bool isObject, int width)
{
struct Image image;
int bitDepth = 0;
char *extension = GetFileExtension(imageFilePath);
if (extension == NULL)
FATAL_ERROR("\"%s\" has no file extension.\n", imageFilePath);
if (strcmp(extension, "1bpp") == 0)
bitDepth = 1;
else if (strcmp(extension, "4bpp") == 0)
bitDepth = 4;
else if (strcmp(extension, "8bpp") == 0)
bitDepth = 8;
else
FATAL_ERROR("Unexpected file extension \"%s\". Expected \"1bpp\", \"4bpp\", or \"8bpp\".\n", extension);
if (paletteFilePath != NULL) {
ReadGbaPalette(paletteFilePath, &image.palette);
image.hasPalette = true;
} else {
image.hasPalette = false;
}
ReadImage(imageFilePath, width, bitDepth, &image, !image.hasPalette);
image.isObject = isObject;
ChangeFileExtension(imageFilePath, "png");
WritePng(imageFilePath, &image);
FreeImage(&image);
}
void ConvertFromPng(char *imageFilePath, int numTiles, int bitDepth)
{
struct Image image;
image.bitDepth = bitDepth;
ExpectFileExtension(imageFilePath, "png");
ReadPng(imageFilePath, &image);
char newExtension[5];
snprintf(newExtension, 5, "%dbpp", bitDepth);
ChangeFileExtension(imageFilePath, newExtension);
WriteImage(imageFilePath, numTiles, bitDepth, &image, !image.hasPalette);
FreeImage(&image);
}
void ConvertToJascPalette(char *paletteFilePath)
{
struct Palette palette;
ExpectFileExtension(paletteFilePath, "gbapal");
ReadGbaPalette(paletteFilePath, &palette);
ChangeFileExtension(paletteFilePath, "pal");
WriteJascPalette(paletteFilePath, &palette);
}
void ConvertFromJascPalette(char *paletteFilePath)
{
struct Palette palette;
ExpectFileExtension(paletteFilePath, "pal");
ReadJascPalette(paletteFilePath, &palette);
ChangeFileExtension(paletteFilePath, "gbapal");
WriteGbaPalette(paletteFilePath, &palette);
}
void LZCompressFile(char *path)
{
int fileSize;
unsigned char *buffer = ReadWholeFile(path, &fileSize);
int compressedSize;
unsigned char *compressedData = LZCompress(buffer, fileSize, &compressedSize);
free(buffer);
AddFileExtension(path, "lz");
WriteWholeFile(path, compressedData, compressedSize);
free(compressedData);
}
void LZDecompressFile(char *path)
{
ExpectFileExtension(path, "lz");
int fileSize;
unsigned char *buffer = ReadWholeFile(path, &fileSize);
int uncompressedSize;
unsigned char *uncompressedData = LZDecompress(buffer, fileSize, &uncompressedSize);
free(buffer);
RemoveFileExtension(path);
WriteWholeFile(path, uncompressedData, uncompressedSize);
free(uncompressedData);
}
int main(int argc, char **argv)
{
if (argc < 2)
FATAL_ERROR("No args.\n");
char *command = argv[1];
if (strcmp(command, "png") == 0) {
if (argc < 3)
FATAL_ERROR("No image file path arg.\n");
CHECK_PATH_LENGTH(argv[2]);
char imageFilePath[GBAGFX_MAX_PATH + 1];
strcpy(imageFilePath, argv[2]);
char paletteFilePath[GBAGFX_MAX_PATH + 1];
bool hasPalette = false;
bool isObject = false;
int width = 1;
for (int i = 3; i < argc; i++) {
char *option = argv[i];
if (strcmp(option, "-palette") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No palette file path following \"-palette\".\n");
i++;
CHECK_PATH_LENGTH(argv[i]);
strcpy(paletteFilePath, argv[i]);
hasPalette = true;
} else if (strcmp(option, "-object") == 0) {
isObject = true;
} else if (strcmp(option, "-width") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No width following \"-width\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &width))
FATAL_ERROR("Failed to parse width.\n");
if (width < 1)
FATAL_ERROR("Width must be positive.\n");
} else {
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ConvertToPng(imageFilePath, hasPalette ? paletteFilePath : NULL, isObject, width);
} else if (strcmp(command, "1bpp") == 0 || strcmp(command, "4bpp") == 0 || strcmp(command, "8bpp") == 0) {
if (argc < 3)
FATAL_ERROR("No image file path arg.\n");
CHECK_PATH_LENGTH(argv[2]);
char imageFilePath[GBAGFX_MAX_PATH + 1];
strcpy(imageFilePath, argv[2]);
int numTiles = 0;
int bitDepth = command[0] - '0';
for (int i = 3; i < argc; i++) {
char *option = argv[i];
if (strcmp(option, "-num_tiles") == 0) {
if (i + 1 >= argc)
FATAL_ERROR("No number of tiles following \"-num_tiles\".\n");
i++;
if (!ParseNumber(argv[i], NULL, 10, &numTiles))
FATAL_ERROR("Failed to parse number of tiles.\n");
if (numTiles < 1)
FATAL_ERROR("Number of tiles must be positive.\n");
} else {
FATAL_ERROR("Unrecognized option \"%s\".\n", option);
}
}
ConvertFromPng(imageFilePath, numTiles, bitDepth);
} else if (strcmp(command, "pal") == 0) {
if (argc < 3)
FATAL_ERROR("No palette file path arg.\n");
CHECK_PATH_LENGTH(argv[2]);
char paletteFilePath[GBAGFX_MAX_PATH + 1];
strcpy(paletteFilePath, argv[2]);
ConvertToJascPalette(paletteFilePath);
} else if (strcmp(command, "gbapal") == 0) {
if (argc < 3)
FATAL_ERROR("No palette file path arg.\n");
CHECK_PATH_LENGTH(argv[2]);
char paletteFilePath[GBAGFX_MAX_PATH + 1];
strcpy(paletteFilePath, argv[2]);
ConvertFromJascPalette(paletteFilePath);
} else if (strcmp(command, "lz") == 0) {
if (argc < 3)
FATAL_ERROR("No file path arg.\n");
CHECK_PATH_LENGTH(argv[2]);
char path[GBAGFX_MAX_PATH + 1];
strcpy(path, argv[2]);
LZCompressFile(path);
} else if (strcmp(command, "unlz") == 0) {
if (argc < 3)
FATAL_ERROR("No file path arg.\n");
CHECK_PATH_LENGTH(argv[2]);
char path[GBAGFX_MAX_PATH + 1];
strcpy(path, argv[2]);
LZDecompressFile(path);
} else {
FATAL_ERROR("Unrecognized command \"%s\".\n", command);
}
return 0;
}
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