#include "layout.h"
#include "../vgmstream.h"

/* set up for the block at the given offset */
void emff_ps2_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
    int i;

	vgmstream->current_block_offset = block_offset;
	vgmstream->current_block_size = read_32bitLE(
			vgmstream->current_block_offset+0x10,
			vgmstream->ch[0].streamfile);
	vgmstream->next_block_offset = vgmstream->current_block_offset + vgmstream->current_block_size+0x20;
	vgmstream->current_block_size/=vgmstream->channels;

	for (i=0;i<vgmstream->channels;i++) {
        vgmstream->ch[i].offset = vgmstream->current_block_offset+0x20+(vgmstream->current_block_size*i);
    }
}

void emff_ngc_block_update(off_t block_offset, VGMSTREAM * vgmstream) {
    int i;

	vgmstream->current_block_offset = block_offset;
	vgmstream->current_block_size = read_32bitBE(
			vgmstream->current_block_offset+0x20,
			vgmstream->ch[0].streamfile);
	vgmstream->next_block_offset = vgmstream->current_block_offset + vgmstream->current_block_size+0x40;
	vgmstream->current_block_size/=vgmstream->channels;

	for (i=0;i<vgmstream->channels;i++) {
        vgmstream->ch[i].offset = vgmstream->current_block_offset+0x40+(vgmstream->current_block_size*i);
    }
}