#include "Main.h"
#include "Input.h"
#include "Output.h"
#include "table.h"

struct tentry {
    int sector;
    unsigned char u[4];
};

struct entry {
    int sector;
    int sizes[3];
};

#define fullsize 206213120
#define offset 0x83b78
#define N 437

CODE_BEGINS
struct entry tab[N];

virtual int startup() throw (GeneralException) {
    int i, j, s, dcount = 1;
    Input * f;
    Output * t;
    int alreadycounted = 0;
    String fn;
    char buff[2048];
    unsigned char b, a1, a2;
    struct tentry te;
    unsigned long orig, pos, truesize, ptr, sig, size;
    int found, empty;

    verbosity = M_INFO;

    f = new Input("slus_006.62");
    f->seek(offset);
    
    for (i = 0; i < N; i++) {
	f->read(&te, sizeof(struct tentry));
	tab[i].sector = te.sector;
	tab[i].sizes[0] = te.u[0];
	tab[i].sizes[1] = te.u[1] | ((te.u[2] & 0xf) << 8);
	tab[i].sizes[2] = (te.u[2] >> 4) | (te.u[3] << 4);
	printm(M_INFO, "entry %3i - offset: %9i, sizes = %4i %4i %4i\n", i, tab[i].sector * 2048,
	       tab[i].sizes[0], tab[i].sizes[1], tab[i].sizes[2]);
    }
    
    delete f;
    
    f = new Input("pe.img");
    
    for (i = 0; i < N; i++) {
	printm(M_INFO, "Dumping room %i\n", i + 1);
	
	if (!tab[i].sizes[0])
	    continue;
	
	f->seek(tab[i].sector * 2048);
	for (j = 0; j < 3; j++) {
	    fn.set("rooms/room-%04i-%02i.out", i + 1, j);
	    
	    t = new Output(fn);
	    
	    for (s = 0; s < tab[i].sizes[j]; s++) {
		f->read(buff, 2048);
		t->write(buff, 2048);
	    }
	    delete t;
	}
    }
    
    for (i = 0; i < N; i++) {
	printm(M_INFO, "Dumping script %i\n", i + 1);

	found = empty = 0;
    
	if (!tab[i].sizes[0])
	    continue;
	
	f->seek((tab[i].sector + tab[i].sizes[0] + tab[i].sizes[1]) * 2048);
	orig = f->tell();

	fn.set("scripts/room-%04i.txt", i);
	t = new Output(fn);

#if 0
	f->read(&truesize, 4);
	f->seek(truesize - 4, SEEK_CUR);
	
	while (!found) {
	    f->read(&ptr, 4);
	    f->seek(-8, SEEK_CUR);
	    pos = f->tell();
	    if ((ptr >> 24) == 1) {
		ptr &= 0x00ffffff;
		f->seek(orig + ptr);
		f->read(&sig, 4);
		if ((sig & 0xffff) == 0xfe) {
		    f->seek(pos);
		    f->read(&size, 4);
		    pos = ptr + orig;
		    found = 1;
		} else if (sig != 0x4f414b41) { /* AKAO */
		    delete t;
		    empty = 1;
		    break;
		}
	    }
	    f->seek(pos);
	}
	
	if (empty)
	    continue;
#else
	truesize = f->readU32();
	ptr = f->readU32();
	f->seek(orig + ptr + 32, SEEK_SET);
	ptr = f->readU32();
	
	if (!(ptr & 0xfff00000))
	    continue;
	
	f->seek(orig + (ptr & 0xfffff) + 8);
	size = f->readU32();
	ptr = f->readU32();
	pos = orig + (ptr & 0xfffff);
	f->seek(pos);
#endif
	
	printm(M_INFO, "Found %i bytes of text at %i\n", size, pos);
	
	extracttext(f, t, size);

	delete t;
    }

    delete f;
    return 0;
}
CODE_ENDS