#include "plugin.h"
#include "gob.h"


void *util_alloc(size_t sz);

enum plugin_status plugin_start(const void* parameter)
{
    /*TODO this is a temporary warning suppressor for parameter, which is not yet used*/
    (void)parameter;
    #ifdef HAVE_ADJUSTABLE_CPU_FREQ
    rb->cpu_boost(true);
    #endif

    /*read in the gob files indexes to one big index*/
    int dark_file = rb->open("/.rockbox/dark/DARK.GOB", O_RDONLY);
    int sprites_file = rb->open("/.rockbox/dark/SPRITES.GOB", O_RDONLY);
    int tex_file = rb->open("/.rockbox/dark/TEXTURES.GOB", O_RDONLY);
    int sound_file = rb->open("/.rockbox/dark/SOUNDS.GOB", O_RDONLY);

    struct gob_header current_header;
    uint32_t current_mastern, total_mastern = 0, ofs_mastern;

    /*get the total number of ix entries*/
    rb->read(dark_file, &current_header, sizeof(struct gob_header));
    rb->lseek(dark_file, current_header.MASTERX, SEEK_SET);
    rb->read(dark_file, &current_mastern, sizeof(uint32_t));
    total_mastern += current_mastern;
    rb->read(sprites_file, &current_header, sizeof(struct gob_header));
    rb->lseek(sprites_file, current_header.MASTERX, SEEK_SET);
    rb->read(sprites_file, &current_mastern, sizeof(uint32_t));
    total_mastern += current_mastern;
    rb->read(tex_file, &current_header, sizeof(struct gob_header));
    rb->lseek(tex_file, current_header.MASTERX, SEEK_SET);
    rb->read(tex_file, &current_mastern, sizeof(uint32_t));
    total_mastern += current_mastern;
    rb->read(sound_file, &current_header, sizeof(struct gob_header));
    rb->lseek(sound_file, current_header.MASTERX, SEEK_SET);
    rb->read(sound_file, &current_mastern, sizeof(uint32_t));
    total_mastern += current_mastern;

    /*allocate the idx struct array*/
    struct gob_idx_entry* idx = util_alloc(sizeof(struct gob_idx_entry) * total_mastern);

    /*and then read the idx portion of the files into the idx struct array*/
    rb->read(dark_file, &current_header, sizeof(struct gob_header));
    rb->lseek(dark_file, current_header.MASTERX, SEEK_SET);
    rb->read(dark_file, &current_mastern, sizeof(uint32_t));
    rb->read(dark_file, &idx[0], sizeof(struct gob_idx_entry) * current_mastern);
    ofs_mastern = current_mastern;
    rb->read(sprites_file, &current_header, sizeof(struct gob_header));
    rb->lseek(sprites_file, current_header.MASTERX, SEEK_SET);
    rb->read(sprites_file, &current_mastern, sizeof(uint32_t));
    rb->read(dark_file, &idx[ofs_mastern], sizeof(struct gob_idx_entry) * current_mastern);
    ofs_mastern = current_mastern;
    rb->read(sprites_file, &current_header, sizeof(struct gob_header));
    rb->lseek(sprites_file, current_header.MASTERX, SEEK_SET);
    rb->read(sprites_file, &current_mastern, sizeof(uint32_t));
    rb->read(dark_file, &idx[ofs_mastern], sizeof(struct gob_idx_entry) * current_mastern);
    ofs_mastern = current_mastern;
    rb->read(sprites_file, &current_header, sizeof(struct gob_header));
    rb->lseek(sprites_file, current_header.MASTERX, SEEK_SET);
    rb->read(sprites_file, &current_mastern, sizeof(uint32_t));
    rb->read(dark_file, &idx[ofs_mastern], sizeof(struct gob_idx_entry) * current_mastern);


    rb->close(dark_file);
    return PLUGIN_OK;
}