2D_Engine_C/assets/asset_builder/src/main.c

144 lines
4.6 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "asset_file.h"
#include "errors.h"
int main(int argc, char *argv[])
{
// Verify arguments minimum number.
if(argc < 3)
{
puts("\033[33musage\033[m: asset_builder output_file input_file [input_file_2 ...]");
return EXIT_FAILURE;
}
// Header size and content.
asset_file_header_t asset_file_header;
asset_file_header.assets_number = argc - 2;
asset_file_header.header_size = sizeof(size_t) + sizeof(size_t) * asset_file_header.assets_number;
asset_file_header.assets_header_def = malloc(asset_file_header.assets_number * sizeof(asset_header_def_t));
// Set assets name.
for(size_t i = 0; i < asset_file_header.assets_number; i++)
{
const char *file_name = argv[i + 2];
const char *file_name_last_slash = strrchr(file_name, '/');
const char *file_base_name = file_name_last_slash ? file_name_last_slash + 1 : file_name;
const char *file_name_dot = strrchr(file_name, '.');
const char *file_name_ext = file_name_dot ? file_name_dot + 1 : file_name;
size_t asset_name_length = strlen(file_base_name) - strlen(file_name_ext) - 1;
asset_file_header.assets_header_def[i].name = malloc(asset_name_length);
strncpy(asset_file_header.assets_header_def[i].name, file_base_name, asset_name_length);
// Update header size.
asset_file_header.header_size += asset_name_length + 1;
}
// Parse input files to create header structure and fill output file.
FILE *output_asset_file = fopen(argv[1], "wb");
if(!output_asset_file)
{
print_error("could not create output file.");
return EXIT_FAILURE;
}
for(size_t i = 0; i < asset_file_header.assets_number; i++)
{
int ret = parse_file_for_header(argv[i + 2], &asset_file_header.assets_header_def[i]);
if(ret)
{
switch(ret)
{
case NO_EXTENSION:
print_error("file does not have an extension."); break;
case EXTENSION_UNSUPPORTED:
print_error("extension not yet supported."); break;
case OPEN_FAILED:
print_error("failed to open file."); break;
case BAD_SIGNATURE:
print_error("file not valid."); break;
case MEMORY_ALLOC_FAILED:
print_error("memory allocation failed."); break;
case PNG_BIT_DEPTH_UNSUPPORTED:
print_error("png bit depth not supported."); break;
case PNG_COLOR_TYPE_UNSUPPORTED:
print_error("png color type not supported."); break;
default:
print_error("unknown error"); break;
}
fclose(output_asset_file);
return EXIT_FAILURE;
}
// Calculate absolute position of assets in the file.
if(i) asset_file_header.assets_header_def[i].start = asset_file_header.assets_header_def[i - 1].end + 1;
else asset_file_header.assets_header_def[0].start = asset_file_header.header_size;
asset_file_header.assets_header_def[i].end += asset_file_header.assets_header_def[i].start;
}
if(write_header_to_file(&asset_file_header, output_asset_file))
{
print_error("can't write to output file.");
fclose(output_asset_file);
return EXIT_FAILURE;
}
for(size_t i = 0; i < asset_file_header.assets_number; i++)
{
int ret = parse_file_for_content_and_write(argv[i + 2], output_asset_file);
if(ret)
{
switch(ret)
{
case NO_EXTENSION:
print_error("file does not have an extension."); break;
case EXTENSION_UNSUPPORTED:
print_error("extension not yet supported."); break;
case OPEN_FAILED:
print_error("failed to open file."); break;
case WRITE_FAILED:
print_error("failed to write to output file."); break;
case BAD_SIGNATURE:
print_error("file not valid."); break;
case MEMORY_ALLOC_FAILED:
print_error("memory allocation failed."); break;
case PNG_BIT_DEPTH_UNSUPPORTED:
print_error("png bit depth not supported."); break;
case PNG_COLOR_TYPE_UNSUPPORTED:
print_error("png color type not supported."); break;
default:
print_error("unknown error"); break;
}
fclose(output_asset_file);
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}