moonwell-core-vanilla/contrib/extractor/loadlib/adt.cpp

#define _CRT_SECURE_NO_DEPRECATE

#include "adt.h"
#include <string.h>

// Helper
int holetab_h[4] = {0x1111, 0x2222, 0x4444, 0x8888};
int holetab_v[4] = {0x000F, 0x00F0, 0x0F00, 0xF000};

bool isHole(int holes, int i, int j)
{
    int testi = i / 2;
    int testj = j / 4;
    if (testi > 3) testi = 3;
    if (testj > 3) testj = 3;
    return (holes & holetab_h[testi] & holetab_v[testj]) != 0;
}

//
// Adt file loader class
//
ADT_file::ADT_file()
{
    a_grid = 0;
}

ADT_file::~ADT_file()
{
    free();
}

void ADT_file::free()
{
    a_grid = 0;
    FileLoader::free();
}

//
// Adt file check function
//
bool ADT_file::prepareLoadedData()
{
    // Check parent
    if (!FileLoader::prepareLoadedData())
        return false;

    // Check and prepare MHDR
    a_grid = (adt_MHDR*)(GetData() + 8 + version->size);
    if (!a_grid->prepareLoadedData())
        return false;

    return true;
}

bool adt_MHDR::prepareLoadedData()
{
    if (!strncmp(fcc_txt, "MHDR", 4))
        return false;

    if (size != sizeof(adt_MHDR) - 8)
        return false;

    // Check and prepare MCIN
    if (offsMCIN && !getMCIN()->prepareLoadedData())
        return false;

    // Check and prepare MH2O
    if (offsMH2O && !getMH2O()->prepareLoadedData())
        return false;

    return true;
}

bool adt_MCIN::prepareLoadedData()
{
    if (!strncmp(fcc_txt, "MCIN", 4))
        return false;

    // Check cells data
    for (int i = 0; i < ADT_CELLS_PER_GRID; i++)
        for (int j = 0; j < ADT_CELLS_PER_GRID; j++)
            if (cells[i][j].offsMCNK && !getMCNK(i, j)->prepareLoadedData())
                return false;

    return true;
}

bool adt_MH2O::prepareLoadedData()
{
    if (!strncmp(fcc_txt, "MH2O", 4))
        return false;

    // Check liquid data
//    for (int i=0; i<ADT_CELLS_PER_GRID;i++)
//        for (int j=0; j<ADT_CELLS_PER_GRID;j++)

    return true;
}

bool adt_MCNK::prepareLoadedData()
{
    if (!strncmp(fcc_txt, "MCNK", 4))
        return false;

    // Check height map
    if (offsMCVT && !getMCVT()->prepareLoadedData())
        return false;
    // Check liquid data
    if (offsMCLQ && !getMCLQ()->prepareLoadedData())
        return false;

    return true;
}

bool adt_MCVT::prepareLoadedData()
{
    if (!strncmp(fcc_txt, "MCVT", 4))
        return false;

    if (size != sizeof(adt_MCVT) - 8)
        return false;

    return true;
}

bool adt_MCLQ::prepareLoadedData()
{
    if (!strncmp(fcc_txt, "MCLQ", 4))
        return false;

    return true;
}