/**
* Read a sprite filedata to an 'image' structure
* @param img Pointer to destination 'image' structure
* @param num_of_sprites Number different sprites
* @param num_of_anims Number of animations for a same sprite
* @param addr Pointer to the source sprite filedata
* @param max_of_anims Maximum number of images per type of sprite
* @return Pointer to source sprite filedata
*/
char *
images_read (image * img, Uint32 num_of_sprites, Uint32 num_of_anims,
char *addr, Uint32 max_of_anims)
{
Uint32 i, j;
for (i = 0; i < num_of_sprites; i++)
{
for (j = 0; j < num_of_anims; j++)
{
addr = image_extract (img + (i * max_of_anims) + j, addr);
if (addr == NULL)
{
LOG_ERR ("image_extract failed!");
return NULL;
}
}
}
return addr;
}
/**
* Load a sprite file (*.spr) with a single image
* @param filename Filename the file *.spr which should be loaded
* @param img Pointer to destination 'image' structure
* @return TRUE if it completed successfully or FALSE otherwise
*/
bool
image_load_single (const char *filename, image * img)
{
char *addr;
char *filedata = load_file (filename);
if (filedata == NULL)
{
return FALSE;
}
addr = image_extract (img, filedata);
if (addr == NULL)
{
LOG_ERR ("image_extract() failed!");
free_memory (filedata);
return FALSE;
}
free_memory (filedata);
return TRUE;
}
int main(int argc, char *argv[])
{
int action = -1, opt, verbose = 0;
const char *input = NULL, *output = NULL,
*payload = NULL, *bootmedia = NULL;
uint32_t execaddr = ADDR_INVALID, dstaddr = ADDR_INVALID;
while ((opt = getopt(argc, argv, "hxci:o:p:m:e:d:v")) != -1) {
switch (opt) {
case 'x':
action = ACTION_EXTRACT;
break;
case 'c':
action = ACTION_CREATE;
break;
case 'i':
input = optarg;
break;
case 'o':
output = optarg;
break;
case 'p':
payload = optarg;
break;
case 'm':
bootmedia = optarg;
break;
case 'e':
execaddr = strtol(optarg, NULL, 0);
break;
case 'd':
dstaddr = strtol(optarg, NULL, 0);
break;
case 'v':
verbose = 1;
break;
case 'h':
action = ACTION_HELP;
break;
}
}
/* We should have consumed all arguments */
if (optind != argc) {
usage(argv[0]);
exit(1);
}
if (action != ACTION_HELP && !input) {
fprintf(stderr, "Missing input file\n");
usage(argv[0]);
exit(1);
}
if ((action == ACTION_EXTRACT || action == ACTION_CREATE) &&
!output) {
fprintf(stderr, "Missing output file\n");
usage(argv[0]);
exit(1);
}
if (action == ACTION_EXTRACT &&
(bootmedia || payload ||
(execaddr != ADDR_INVALID) || (dstaddr != ADDR_INVALID))) {
fprintf(stderr,
"-m, -p, -e or -d do not make sense when extracting an image");
usage(argv[0]);
exit(1);
}
switch (action) {
case ACTION_EXTRACT:
return image_extract(input, output);
case ACTION_CREATE:
return image_create(input, output, payload,
bootmedia, dstaddr, execaddr,
verbose);
case ACTION_HELP:
usage(argv[0]);
return 0;
default:
fprintf(stderr, "No action specified\n");
usage(argv[0]);
exit(1);
}
return 0;
}