static void extract(pak_file_t* pak, const char* fname)
{
assert(pak);
assert(fname);
LOGD("debug fname=%s", fname);
int size = pak_file_seek(pak, fname);
if(size == 0)
{
return;
}
FILE* f = fopen(fname, "w");
if(f == 0)
{
LOGE("fopen %s failed", fname);
return;
}
unsigned char buf[4096];
while(size > 0)
{
int bytes = (size > 4096) ? 4096 : size;
if(pak_file_read(pak, buf, bytes, 1) != 1)
{
break;
}
if(fwrite(buf, bytes, 1, f) != 1)
{
LOGE("fwrite %s failed", fname);
break;
}
size -= bytes;
}
fclose(f);
}
a3d_spriteTex_t* a3d_spriteTex_new(const char* fname,
const char* resource)
{
assert(fname);
assert(resource);
LOGD("debug fname=%s, resource=%s", fname, resource);
a3d_spriteTex_t* self = (a3d_spriteTex_t*) malloc(sizeof(a3d_spriteTex_t));
if(self == NULL)
{
LOGE("malloc failed");
return NULL;
}
pak_file_t* pak = NULL;
texgz_tex_t* tex = NULL;
if(fname[0] == '$')
{
pak = pak_file_open(resource, PAK_FLAG_READ);
if(pak)
{
const char* key = &(fname[1]);
int size = pak_file_seek(pak, key);
if(size > 0)
{
tex = texgz_tex_importf(pak->f, size);
}
else
{
LOGE("invalid fname=%s", fname);
}
pak_file_close(&pak);
}
}
else
{
tex = texgz_tex_import(fname);
}
if(tex == NULL)
{
goto fail_tex;
}
// load tex
glGenTextures(1, &self->id_tex);
glBindTexture(GL_TEXTURE_2D, self->id_tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, tex->format,
tex->stride, tex->vstride,
0, tex->format, tex->type,
tex->pixels);
// no longer needed
texgz_tex_delete(&tex);
strncpy(self->fname, fname, 256);
self->fname[255] = '\0';
self->ref_count = 0;
// success
return self;
// failure
fail_tex:
free(self);
return NULL;
}
