rsavin.c

#include "spider.h"
#include "fs.h"

int (*GX_SetTextureCopy)(void *input_buffer, void *output_buffer, unsigned int size, int in_x, int in_y, int out_x, int out_y, int flags) = 0x0011DD48;
int (*GSPGPU_FlushDataCache)(void *addr, unsigned int len) = 0x00191504;

int uvl_entry()
{
    FILE *fin = (void *)0x08F10000;
    unsigned int addr;
    int *buf = 0x18410000;
    int *read_len = 0x08F10020;
    int i;
    unsigned int EBUS;
    unsigned int constblock;
    unsigned int offset;
    int j;
    int ADJ;
    int ORAS = 0;

    addr = 0x17900000; //Way lower than necessary, but we're going to hunt for the relative offsets of box data.

    EBUS = 0;
    constblock = 0;
    offset = 0;

    for (j = 0; j < 0x10 && offset == 0; j++)
    {
        GSPGPU_FlushDataCache(addr, 0x10000);
        GX_SetTextureCopy(addr, buf, 0x10000, 0, 0, 0, 0, 8);
        GSPGPU_FlushDataCache(buf, 0x10000);
        svcSleepThread(0x400000LL);
        for (i = 0; i < 0x4000; i++)
        {
            if ((buf[i] == 0x53554245 && buf[i - 1] == 0 && buf[i - 2] == 0 && buf[i - 3] == 0) && EBUS == 0)
            {
                EBUS = addr + 4 * i;
            }
            if ((buf[i] == 0x53554245 && buf[i + 1] == 0 && buf[i + 2] == 0 && buf[i + 3] == 0) && EBUS == 0)
            {
                EBUS = addr + 4 * i;
            }
            if ((buf[i] == 0x00000126) && (buf[i + 1] == 0x00000000) && (buf[i + 2] == 0x22018230) && (buf[i + 3] == 0x09060D30)) //Static data in save files.
            {
                constblock = addr + 4 * i;
            }
        }
        if (constblock != 0 && EBUS != 0)
        {
            unsigned int diff = constblock - EBUS;
            if (diff == 0x38A0 || diff == 0x383C || diff == 0x3750 || diff == 0x3664 || diff == 0x3608) // ORAS
            {
                offset = constblock - 0x1F7AC;
                ADJ = 0;
                ORAS = 1;
            }
            else if (diff == 0x37DC || diff == 0x3778 || diff == 0x368C || diff == 0x35A0) //XY
            {
                offset = constblock - 0x1E6EC;
                ADJ = 1;
                ORAS = 0;
            }
            else //wtf
            {
                offset = 0;
                ADJ = 0;
            }
        }
        addr += 0x10000;
    }

    if (offset != 0)
    {
        IFile_Open(fin, L"dmc:/ramsav.bin", FILE_R);
        fin->pos = 0x00;

        //first 0xFFFC / 0xFFF8 byte
        GSPGPU_FlushDataCache(offset, 0x10000);
        GX_SetTextureCopy(offset, buf, 0x10000, 0, 0, 0, 0, 8);
        GSPGPU_FlushDataCache(buf, 0x10000);
        svcSleepThread(0x400000LL);
        IFile_Read(fin, read_len, buf + ADJ, 0x10000);
        GSPGPU_FlushDataCache(buf, 0x10000);
        GX_SetTextureCopy(buf, offset, 0x10000, 0, 0, 0, 0, 8);
        GSPGPU_FlushDataCache(offset, 0x10000);
        svcSleepThread(0x400000LL);
        offset += 0x10000;

        //0x60000 Bytes
        for (i = 0; i < 6; i++)
        {
            IFile_Read(fin, read_len, buf, 0x10000);
            GSPGPU_FlushDataCache(buf, 0x10000);
            GX_SetTextureCopy(buf, offset, 0x10000, 0, 0, 0, 0, 8);
            GSPGPU_FlushDataCache(offset, 0x10000);
            svcSleepThread(0x400000LL);
            offset += 0x10000;
        }

        if (ORAS == 1)
        {
            IFile_Read(fin, read_len, buf, 0x10000);
            GSPGPU_FlushDataCache(buf, 0x10000);
            GX_SetTextureCopy(buf, offset, 0x10000, 0, 0, 0, 0, 8);
            GSPGPU_FlushDataCache(offset, 0x10000);
            svcSleepThread(0x400000LL);
            offset += 0x10000;
        }

        //Green - Success!
        for (i = 0; i < 0xE100; i += 3)
        {
            buf[i] = 0x0000FF00;
            buf[i + 1] = 0xFF0000FF;
            buf[i + 2] = 0x00FF0000;
        }


    }
    else
    {
        //Red - Failure!
        for (i = 0; i < 0xE100; i+=3)
        {
            buf[i] = 0x00FF0000;
            buf[i+1] = 0x0000FF00;
            buf[i+2] = 0xFF0000FF;
        }
    }

    GSPGPU_FlushDataCache(buf, 0x00038400);
    GX_SetTextureCopy(buf, 0x1F48F000, 0x00038400, 0, 0, 0, 0, 8);
    svcSleepThread(0x400000LL);
    GSPGPU_FlushDataCache(buf, 0x00038400);
    GX_SetTextureCopy(buf, 0x1F4C7800, 0x00038400, 0, 0, 0, 0, 8);
    svcSleepThread(0x400000LL);

    return 0;
}