#define _CRT_SECURE_NO_DEPRECATE

#include <stdio.h>
#include <deque>
#include <list>
#include <cstdlib>
#include <cstring>

#ifdef _WIN32
#include "direct.h"
#else
#include <sys/stat.h>
#include <unistd.h>
#define ERROR_PATH_NOT_FOUND ERROR_FILE_NOT_FOUND
#endif

#include "StormLib.h"
#include "dbcfile.h"

#include "adt.h"
#include "wdt.h"
#include <fcntl.h>

#if defined( __GNUC__ )
    #define _open   open
    #define _close close
    #ifndef O_BINARY
        #define O_BINARY 0
    #endif
#else
    #include <io.h>
#endif

#ifdef O_LARGEFILE
    #define OPEN_FLAGS (O_RDONLY | O_BINARY | O_LARGEFILE)
#else
    #define OPEN_FLAGS (O_RDONLY | O_BINARY)
#endif

HANDLE WorldMpq = NULL;
HANDLE LocaleMpq = NULL;

typedef struct
{
    char name[64];
    uint32 id;
} map_id;

map_id *map_ids;
uint16 *areas;
uint16 *LiqType;
char output_path[128] = ".";
char input_path[128] = ".";
uint32 maxAreaId = 0;

// **************************************************
// Extractor options
// **************************************************
enum Extract
{
    EXTRACT_MAP = 1,
    EXTRACT_DBC = 2
};

// Select data for extract
int   CONF_extract = EXTRACT_MAP | EXTRACT_DBC;

// This option allow limit minimum height to some value (Allow save some memory)
bool  CONF_allow_height_limit = true;
float CONF_use_minHeight = -500.0f;

// This option allow use float to int conversion
bool  CONF_allow_float_to_int   = true;
float CONF_float_to_int8_limit  = 2.0f;      // Max accuracy = val/256
float CONF_float_to_int16_limit = 2048.0f;   // Max accuracy = val/65536
float CONF_flat_height_delta_limit = 0.005f; // If max - min less this value - surface is flat
float CONF_flat_liquid_delta_limit = 0.001f; // If max - min less this value - liquid surface is flat

uint32 CONF_TargetBuild = 15595;              // 4.3.4.15595

// List MPQ for extract maps from
char const* CONF_mpq_list[]=
{
    "world.MPQ",
    "art.MPQ",
    "world2.MPQ",
    "expansion1.MPQ",
    "expansion2.MPQ",
    "expansion3.MPQ",
};

uint32 const Builds[] = {13164, 13205, 13287, 13329, 13596, 13623, 13914, 14007, 14333, 14480, 14545, 15005, 15050, 15211, 15354, 15595, 0};
#define LAST_DBC_IN_DATA_BUILD 13623    // after this build mpqs with dbc are back to locale folder
#define NEW_BASE_SET_BUILD  15211

char const* Locales[] =
{
    "enGB", "enUS",
    "deDE", "esES",
    "frFR", "koKR",
    "zhCN", "zhTW",
    "enCN", "enTW",
    "esMX", "ruRU"
};

TCHAR const* LocalesT[] =
{
    _T("enGB"), _T("enUS"),
    _T("deDE"), _T("esES"),
    _T("frFR"), _T("koKR"),
    _T("zhCN"), _T("zhTW"),
    _T("enCN"), _T("enTW"),
    _T("esMX"), _T("ruRU"),
};

#define LOCALES_COUNT 12

void CreateDir(std::string const& path)
{
#ifdef _WIN32
    _mkdir(path.c_str());
#else
    mkdir(path.c_str(), S_IRWXU | S_IRWXG | S_IRWXO); // 0777
#endif
}

bool FileExists(TCHAR const* fileName)
{
    int fp = _open(fileName, OPEN_FLAGS);
    if(fp != -1)
    {
        _close(fp);
        return true;
    }

    return false;
}

void Usage(char const* prg)
{
    printf(
        "Usage:\n"\
        "%s -[var] [value]\n"\
        "-i set input path\n"\
        "-o set output path\n"\
        "-e extract only MAP(1)/DBC(2) - standard: both(3)\n"\
        "-f height stored as int (less map size but lost some accuracy) 1 by default\n"\
        "-b target build (default %u)\n"\
        "Example: %s -f 0 -i \"c:\\games\\game\"", prg, CONF_TargetBuild, prg);
    exit(1);
}

void HandleArgs(int argc, char* arg[])
{
    for (int c = 1; c < argc; ++c)
    {
        // i - input path
        // o - output path
        // e - extract only MAP(1)/DBC(2) - standard both(3)
        // f - use float to int conversion
        // h - limit minimum height
        // b - target client build
        if (arg[c][0] != '-')
            Usage(arg[0]);

        switch (arg[c][1])
        {
            case 'i':
                if (c + 1 < argc)                            // all ok
                    strcpy(input_path, arg[c++ + 1]);
                else
                    Usage(arg[0]);
                break;
            case 'o':
                if (c + 1 < argc)                            // all ok
                    strcpy(output_path, arg[c++ + 1]);
                else
                    Usage(arg[0]);
                break;
            case 'f':
                if (c + 1 < argc)                            // all ok
                    CONF_allow_float_to_int = atoi(arg[c++ + 1])!=0;
                else
                    Usage(arg[0]);
                break;
            case 'e':
                if (c + 1 < argc)                            // all ok
                {
                    CONF_extract = atoi(arg[c++ + 1]);
                    if (!(CONF_extract > 0 && CONF_extract < 4))
                        Usage(arg[0]);
                }
                else
                    Usage(arg[0]);
                break;
            case 'b':
                if (c + 1 < argc)                            // all ok
                    CONF_TargetBuild = atoi(arg[c++ + 1]);
                else
                    Usage(arg[0]);
                break;
            default:
                break;
        }
    }
}

uint32 ReadBuild(int locale)
{
    // include build info file also
    std::string filename  = std::string("component.wow-") + Locales[locale] + ".txt";
    //printf("Read %s file... ", filename.c_str());

    HANDLE dbcFile;
    if (!SFileOpenFileEx(LocaleMpq, filename.c_str(), SFILE_OPEN_PATCHED_FILE, &dbcFile))
    {
        printf("Fatal error: Not found %s file!\n", filename.c_str());
        exit(1);
    }

    char buff[512];
    DWORD readBytes = 0;
    SFileReadFile(dbcFile, buff, 512, &readBytes, NULL);
    if (!readBytes)
    {
        printf("Fatal error: Not found %s file!\n", filename.c_str());
        exit(1);
    }

    std::string text = buff;
    SFileCloseFile(dbcFile);

    size_t pos = text.find("version=\"");
    size_t pos1 = pos + strlen("version=\"");
    size_t pos2 = text.find("\"", pos1);
    if (pos == text.npos || pos2 == text.npos || pos1 >= pos2)
    {
        printf("Fatal error: Invalid  %s file format!\n", filename.c_str());
        exit(1);
    }

    std::string build_str = text.substr(pos1,pos2-pos1);

    int build = atoi(build_str.c_str());
    if (build <= 0)
    {
        printf("Fatal error: Invalid  %s file format!\n", filename.c_str());
        exit(1);
    }

    return build;
}

uint32 ReadMapDBC()
{
    printf("Read Map.dbc file... ");

    HANDLE dbcFile;
    if (!SFileOpenFileEx(LocaleMpq, "DBFilesClient\\Map.dbc", SFILE_OPEN_PATCHED_FILE, &dbcFile))
    {
        printf("Fatal error: Cannot find Map.dbc in archive!\n");
        exit(1);
    }

    DBCFile dbc(dbcFile);
    if (!dbc.open())
    {
        printf("Fatal error: Invalid Map.dbc file format!\n");
        exit(1);
    }

    size_t map_count = dbc.getRecordCount();
    map_ids = new map_id[map_count];
    for(uint32 x = 0; x < map_count; ++x)
    {
        map_ids[x].id = dbc.getRecord(x).getUInt(0);
        strcpy(map_ids[x].name, dbc.getRecord(x).getString(1));
    }

    SFileCloseFile(dbcFile);
    printf("Done! (%u maps loaded)\n", uint32(map_count));
    return map_count;
}

void ReadAreaTableDBC()
{
    printf("Read AreaTable.dbc file...");
    HANDLE dbcFile;
    if (!SFileOpenFileEx(LocaleMpq, "DBFilesClient\\AreaTable.dbc", SFILE_OPEN_PATCHED_FILE, &dbcFile))
    {
        printf("Fatal error: Cannot find AreaTable.dbc in archive!\n");
        exit(1);
    }

    DBCFile dbc(dbcFile);
    if(!dbc.open())
    {
        printf("Fatal error: Invalid AreaTable.dbc file format!\n");
        exit(1);
    }

    size_t area_count = dbc.getRecordCount();
    maxAreaId = dbc.getMaxId();
    areas = new uint16[maxAreaId + 1];

    for (uint32 x = 0; x < area_count; ++x)
        areas[dbc.getRecord(x).getUInt(0)] = dbc.getRecord(x).getUInt(3);

    SFileCloseFile(dbcFile);
    printf("Done! (%u areas loaded)\n", uint32(area_count));
}

void ReadLiquidTypeTableDBC()
{
    printf("Read LiquidType.dbc file...");
    HANDLE dbcFile;
    if (!SFileOpenFileEx(LocaleMpq, "DBFilesClient\\LiquidType.dbc", SFILE_OPEN_PATCHED_FILE, &dbcFile))
    {
        printf("Fatal error: Cannot find LiquidType.dbc in archive!\n");
        exit(1);
    }

    DBCFile dbc(dbcFile);
    if(!dbc.open())
    {
        printf("Fatal error: Invalid LiquidType.dbc file format!\n");
        exit(1);
    }

    size_t liqTypeCount = dbc.getRecordCount();
    size_t liqTypeMaxId = dbc.getMaxId();
    LiqType = new uint16[liqTypeMaxId + 1];
    memset(LiqType, 0xff, (liqTypeMaxId + 1) * sizeof(uint16));

    for(uint32 x = 0; x < liqTypeCount; ++x)
        LiqType[dbc.getRecord(x).getUInt(0)] = dbc.getRecord(x).getUInt(3);

    SFileCloseFile(dbcFile);
    printf("Done! (%u LiqTypes loaded)\n", (uint32)liqTypeCount);
}

//
// Adt file convertor function and data
//

// Map file format data
static char const* MAP_MAGIC         = "MAPS";
static char const* MAP_VERSION_MAGIC = "v1.3";
static char const* MAP_AREA_MAGIC    = "AREA";
static char const* MAP_HEIGHT_MAGIC  = "MHGT";
static char const* MAP_LIQUID_MAGIC  = "MLIQ";

struct map_fileheader
{
    uint32 mapMagic;
    uint32 versionMagic;
    uint32 buildMagic;
    uint32 areaMapOffset;
    uint32 areaMapSize;
    uint32 heightMapOffset;
    uint32 heightMapSize;
    uint32 liquidMapOffset;
    uint32 liquidMapSize;
    uint32 holesOffset;
    uint32 holesSize;
};

#define MAP_AREA_NO_AREA      0x0001

struct map_areaHeader
{
    uint32 fourcc;
    uint16 flags;
    uint16 gridArea;
};

#define MAP_HEIGHT_NO_HEIGHT  0x0001
#define MAP_HEIGHT_AS_INT16   0x0002
#define MAP_HEIGHT_AS_INT8    0x0004

struct map_heightHeader
{
    uint32 fourcc;
    uint32 flags;
    float  gridHeight;
    float  gridMaxHeight;
};

#define MAP_LIQUID_TYPE_NO_WATER    0x00
#define MAP_LIQUID_TYPE_WATER       0x01
#define MAP_LIQUID_TYPE_OCEAN       0x02
#define MAP_LIQUID_TYPE_MAGMA       0x04
#define MAP_LIQUID_TYPE_SLIME       0x08

#define MAP_LIQUID_TYPE_DARK_WATER  0x10
#define MAP_LIQUID_TYPE_WMO_WATER   0x20


#define MAP_LIQUID_NO_TYPE    0x0001
#define MAP_LIQUID_NO_HEIGHT  0x0002

struct map_liquidHeader
{
    uint32 fourcc;
    uint16 flags;
    uint16 liquidType;
    uint8  offsetX;
    uint8  offsetY;
    uint8  width;
    uint8  height;
    float  liquidLevel;
};

float selectUInt8StepStore(float maxDiff)
{
    return 255 / maxDiff;
}

float selectUInt16StepStore(float maxDiff)
{
    return 65535 / maxDiff;
}
// Temporary grid data store
uint16 area_flags[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];

float V8[ADT_GRID_SIZE][ADT_GRID_SIZE];
float V9[ADT_GRID_SIZE+1][ADT_GRID_SIZE+1];
uint16 uint16_V8[ADT_GRID_SIZE][ADT_GRID_SIZE];
uint16 uint16_V9[ADT_GRID_SIZE+1][ADT_GRID_SIZE+1];
uint8  uint8_V8[ADT_GRID_SIZE][ADT_GRID_SIZE];
uint8  uint8_V9[ADT_GRID_SIZE+1][ADT_GRID_SIZE+1];

uint16 liquid_entry[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];
uint8 liquid_flags[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];
bool  liquid_show[ADT_GRID_SIZE][ADT_GRID_SIZE];
float liquid_height[ADT_GRID_SIZE+1][ADT_GRID_SIZE+1];

bool ConvertADT(char *filename, char *filename2, int /*cell_y*/, int /*cell_x*/, uint32 build)
{
    ADT_file adt;

    if (!adt.loadFile(WorldMpq, filename))
        return false;

    memset(liquid_show, 0, sizeof(liquid_show));
    memset(liquid_flags, 0, sizeof(liquid_flags));
    memset(liquid_entry, 0, sizeof(liquid_entry));

    // Prepare map header
    map_fileheader map;
    map.mapMagic = *(uint32 const*)MAP_MAGIC;
    map.versionMagic = *(uint32 const*)MAP_VERSION_MAGIC;
    map.buildMagic = build;

    // Get area flags data
    for (int i = 0; i < ADT_CELLS_PER_GRID; ++i)
    {
        for (int j = 0; j < ADT_CELLS_PER_GRID; ++j)
        {
            adt_MCNK* cell = adt.cells[i][j];
            uint32 areaid = cell->areaid;
            if (areaid && areaid <= maxAreaId)
            {
                if (areas[areaid] != 0xFFFF)
                {
                    area_flags[i][j] = areas[areaid];
                    continue;
                }

                printf("File: %s\nCan't find area flag for areaid %u [%d, %d].\n", filename, areaid, cell->ix, cell->iy);
            }

            area_flags[i][j] = 0xffff;
        }
    }

    //============================================
    // Try pack area data
    //============================================
    bool fullAreaData = false;
    uint32 areaflag = area_flags[0][0];
    for (int y=0;y<ADT_CELLS_PER_GRID;y++)
    {
        for(int x=0;x<ADT_CELLS_PER_GRID;x++)
        {
            if(area_flags[y][x]!=areaflag)
            {
                fullAreaData = true;
                break;
            }
        }
    }

    map.areaMapOffset = sizeof(map);
    map.areaMapSize   = sizeof(map_areaHeader);

    map_areaHeader areaHeader;
    areaHeader.fourcc = *(uint32 const*)MAP_AREA_MAGIC;
    areaHeader.flags = 0;
    if (fullAreaData)
    {
        areaHeader.gridArea = 0;
        map.areaMapSize+=sizeof(area_flags);
    }
    else
    {
        areaHeader.flags |= MAP_AREA_NO_AREA;
        areaHeader.gridArea = (uint16)areaflag;
    }

    //
    // Get Height map from grid
    //
    for (int i=0;i<ADT_CELLS_PER_GRID;i++)
    {
        for(int j=0;j<ADT_CELLS_PER_GRID;j++)
        {
            adt_MCNK * cell = adt.cells[i][j];
            if (!cell)
                continue;
            // Height values for triangles stored in order:
            // 1     2     3     4     5     6     7     8     9
            //    10    11    12    13    14    15    16    17
            // 18    19    20    21    22    23    24    25    26
            //    27    28    29    30    31    32    33    34
            // . . . . . . . .
            // For better get height values merge it to V9 and V8 map
            // V9 height map:
            // 1     2     3     4     5     6     7     8     9
            // 18    19    20    21    22    23    24    25    26
            // . . . . . . . .
            // V8 height map:
            //    10    11    12    13    14    15    16    17
            //    27    28    29    30    31    32    33    34
            // . . . . . . . .

            // Set map height as grid height
            for (int y=0; y <= ADT_CELL_SIZE; y++)
            {
                int cy = i*ADT_CELL_SIZE + y;
                for (int x=0; x <= ADT_CELL_SIZE; x++)
                {
                    int cx = j*ADT_CELL_SIZE + x;
                    V9[cy][cx]=cell->ypos;
                }
            }
            for (int y=0; y < ADT_CELL_SIZE; y++)
            {
                int cy = i*ADT_CELL_SIZE + y;
                for (int x=0; x < ADT_CELL_SIZE; x++)
                {
                    int cx = j*ADT_CELL_SIZE + x;
                    V8[cy][cx]=cell->ypos;
                }
            }
            // Get custom height
            adt_MCVT *v = cell->getMCVT();
            if (!v)
                continue;
            // get V9 height map
            for (int y=0; y <= ADT_CELL_SIZE; y++)
            {
                int cy = i*ADT_CELL_SIZE + y;
                for (int x=0; x <= ADT_CELL_SIZE; x++)
                {
                    int cx = j*ADT_CELL_SIZE + x;
                    V9[cy][cx]+=v->height_map[y*(ADT_CELL_SIZE*2+1)+x];
                }
            }
            // get V8 height map
            for (int y=0; y < ADT_CELL_SIZE; y++)
            {
                int cy = i*ADT_CELL_SIZE + y;
                for (int x=0; x < ADT_CELL_SIZE; x++)
                {
                    int cx = j*ADT_CELL_SIZE + x;
                    V8[cy][cx]+=v->height_map[y*(ADT_CELL_SIZE*2+1)+ADT_CELL_SIZE+1+x];
                }
            }
        }
    }
    //============================================
    // Try pack height data
    //============================================
    float maxHeight = -20000;
    float minHeight =  20000;
    for (int y=0; y<ADT_GRID_SIZE; y++)
    {
        for(int x=0;x<ADT_GRID_SIZE;x++)
        {
            float h = V8[y][x];
            if (maxHeight < h) maxHeight = h;
            if (minHeight > h) minHeight = h;
        }
    }
    for (int y=0; y<=ADT_GRID_SIZE; y++)
    {
        for(int x=0;x<=ADT_GRID_SIZE;x++)
        {
            float h = V9[y][x];
            if (maxHeight < h) maxHeight = h;
            if (minHeight > h) minHeight = h;
        }
    }

    // Check for allow limit minimum height (not store height in deep ochean - allow save some memory)
    if (CONF_allow_height_limit && minHeight < CONF_use_minHeight)
    {
        for (int y=0; y<ADT_GRID_SIZE; y++)
            for(int x=0;x<ADT_GRID_SIZE;x++)
                if (V8[y][x] < CONF_use_minHeight)
                    V8[y][x] = CONF_use_minHeight;
        for (int y=0; y<=ADT_GRID_SIZE; y++)
            for(int x=0;x<=ADT_GRID_SIZE;x++)
                if (V9[y][x] < CONF_use_minHeight)
                    V9[y][x] = CONF_use_minHeight;
        if (minHeight < CONF_use_minHeight)
            minHeight = CONF_use_minHeight;
        if (maxHeight < CONF_use_minHeight)
            maxHeight = CONF_use_minHeight;
    }

    map.heightMapOffset = map.areaMapOffset + map.areaMapSize;
    map.heightMapSize = sizeof(map_heightHeader);

    map_heightHeader heightHeader;
    heightHeader.fourcc = *(uint32 const*)MAP_HEIGHT_MAGIC;
    heightHeader.flags = 0;
    heightHeader.gridHeight    = minHeight;
    heightHeader.gridMaxHeight = maxHeight;

    if (maxHeight == minHeight)
        heightHeader.flags |= MAP_HEIGHT_NO_HEIGHT;

    // Not need store if flat surface
    if (CONF_allow_float_to_int && (maxHeight - minHeight) < CONF_flat_height_delta_limit)
        heightHeader.flags |= MAP_HEIGHT_NO_HEIGHT;

    // Try store as packed in uint16 or uint8 values
    if (!(heightHeader.flags & MAP_HEIGHT_NO_HEIGHT))
    {
        float step = 0;
        // Try Store as uint values
        if (CONF_allow_float_to_int)
        {
            float diff = maxHeight - minHeight;
            if (diff < CONF_float_to_int8_limit)      // As uint8 (max accuracy = CONF_float_to_int8_limit/256)
            {
                heightHeader.flags|=MAP_HEIGHT_AS_INT8;
                step = selectUInt8StepStore(diff);
            }
            else if (diff<CONF_float_to_int16_limit)  // As uint16 (max accuracy = CONF_float_to_int16_limit/65536)
            {
                heightHeader.flags|=MAP_HEIGHT_AS_INT16;
                step = selectUInt16StepStore(diff);
            }
        }

        // Pack it to int values if need
        if (heightHeader.flags&MAP_HEIGHT_AS_INT8)
        {
            for (int y=0; y<ADT_GRID_SIZE; y++)
                for(int x=0;x<ADT_GRID_SIZE;x++)
                    uint8_V8[y][x] = uint8((V8[y][x] - minHeight) * step + 0.5f);
            for (int y=0; y<=ADT_GRID_SIZE; y++)
                for(int x=0;x<=ADT_GRID_SIZE;x++)
                    uint8_V9[y][x] = uint8((V9[y][x] - minHeight) * step + 0.5f);
            map.heightMapSize+= sizeof(uint8_V9) + sizeof(uint8_V8);
        }
        else if (heightHeader.flags&MAP_HEIGHT_AS_INT16)
        {
            for (int y=0; y<ADT_GRID_SIZE; y++)
                for(int x=0;x<ADT_GRID_SIZE;x++)
                    uint16_V8[y][x] = uint16((V8[y][x] - minHeight) * step + 0.5f);
            for (int y=0; y<=ADT_GRID_SIZE; y++)
                for(int x=0;x<=ADT_GRID_SIZE;x++)
                    uint16_V9[y][x] = uint16((V9[y][x] - minHeight) * step + 0.5f);
            map.heightMapSize+= sizeof(uint16_V9) + sizeof(uint16_V8);
        }
        else
            map.heightMapSize+= sizeof(V9) + sizeof(V8);
    }

    // Get from MCLQ chunk (old)
    for (int i = 0; i < ADT_CELLS_PER_GRID; i++)
    {
        for(int j = 0; j < ADT_CELLS_PER_GRID; j++)
        {
            adt_MCNK *cell = adt.cells[i][j];
            if (!cell)
                continue;

            adt_MCLQ *liquid = cell->getMCLQ();
            int count = 0;
            if (!liquid || cell->sizeMCLQ <= 8)
                continue;

            for (int y = 0; y < ADT_CELL_SIZE; y++)
            {
                int cy = i * ADT_CELL_SIZE + y;
                for (int x = 0; x < ADT_CELL_SIZE; x++)
                {
                    int cx = j * ADT_CELL_SIZE + x;
                    if (liquid->flags[y][x] != 0x0F)
                    {
                        liquid_show[cy][cx] = true;
                        if (liquid->flags[y][x] & (1<<7))
                            liquid_flags[i][j] |= MAP_LIQUID_TYPE_DARK_WATER;
                        ++count;
                    }
                }
            }

            uint32 c_flag = cell->flags;
            if (c_flag & (1<<2))
            {
                liquid_entry[i][j] = 1;
                liquid_flags[i][j] |= MAP_LIQUID_TYPE_WATER;            // water
            }
            if (c_flag & (1<<3))
            {
                liquid_entry[i][j] = 2;
                liquid_flags[i][j] |= MAP_LIQUID_TYPE_OCEAN;            // ocean
            }
            if (c_flag & (1<<4))
            {
                liquid_entry[i][j] = 3;
                liquid_flags[i][j] |= MAP_LIQUID_TYPE_MAGMA;            // magma/slime
            }

            if (!count && liquid_flags[i][j])
                fprintf(stderr, "Wrong liquid detect in MCLQ chunk");

            for (int y = 0; y <= ADT_CELL_SIZE; y++)
            {
                int cy = i * ADT_CELL_SIZE + y;
                for (int x = 0; x <= ADT_CELL_SIZE; x++)
                {
                    int cx = j * ADT_CELL_SIZE + x;
                    liquid_height[cy][cx] = liquid->liquid[y][x].height;
                }
            }
        }
    }

    // Get liquid map for grid (in WOTLK used MH2O chunk)
    adt_MH2O * h2o = adt.a_grid->getMH2O();
    if (h2o)
    {
        for (int i = 0; i < ADT_CELLS_PER_GRID; i++)
        {
            for(int j = 0; j < ADT_CELLS_PER_GRID; j++)
            {
                adt_liquid_header *h = h2o->getLiquidData(i,j);
                if (!h)
                    continue;

                int count = 0;
                uint64 show = h2o->getLiquidShowMap(h);
                for (int y = 0; y < h->height; y++)
                {
                    int cy = i * ADT_CELL_SIZE + y + h->yOffset;
                    for (int x = 0; x < h->width; x++)
                    {
                        int cx = j * ADT_CELL_SIZE + x + h->xOffset;
                        if (show & 1)
                        {
                            liquid_show[cy][cx] = true;
                            ++count;
                        }
                        show >>= 1;
                    }
                }

                liquid_entry[i][j] = h->liquidType;
                switch (LiqType[h->liquidType])
                {
                    case LIQUID_TYPE_WATER: liquid_flags[i][j] |= MAP_LIQUID_TYPE_WATER; break;
                    case LIQUID_TYPE_OCEAN: liquid_flags[i][j] |= MAP_LIQUID_TYPE_OCEAN; break;
                    case LIQUID_TYPE_MAGMA: liquid_flags[i][j] |= MAP_LIQUID_TYPE_MAGMA; break;
                    case LIQUID_TYPE_SLIME: liquid_flags[i][j] |= MAP_LIQUID_TYPE_SLIME; break;
                    default:
                        printf("\nCan't find Liquid type %u for map %s\nchunk %d,%d\n", h->liquidType, filename, i, j);
                        break;
                }
                // Dark water detect
                if (LiqType[h->liquidType] == LIQUID_TYPE_OCEAN)
                {
                    uint8* lm = h2o->getLiquidLightMap(h);
                    if (!lm)
                        liquid_flags[i][j] |= MAP_LIQUID_TYPE_DARK_WATER;
                }

                if (!count && liquid_flags[i][j])
                    printf("Wrong liquid detect in MH2O chunk");

                float* height = h2o->getLiquidHeightMap(h);
                int pos = 0;
                for (int y = 0; y <= h->height; y++)
                {
                    int cy = i * ADT_CELL_SIZE + y + h->yOffset;
                    for (int x = 0; x <= h->width; x++)
                    {
                        int cx = j * ADT_CELL_SIZE + x + h->xOffset;

                        if (height)
                            liquid_height[cy][cx] = height[pos];
                        else
                            liquid_height[cy][cx] = h->heightLevel1;

                        pos++;
                    }
                }
            }
        }
    }

    //============================================
    // Pack liquid data
    //============================================
    uint8 type = liquid_flags[0][0];
    bool fullType = false;
    for (int y = 0; y < ADT_CELLS_PER_GRID; y++)
    {
        for (int x = 0; x < ADT_CELLS_PER_GRID; x++)
        {
            if (liquid_flags[y][x] != type)
            {
                fullType = true;
                y = ADT_CELLS_PER_GRID;
                break;
            }
        }
    }

    map_liquidHeader liquidHeader;

    // no water data (if all grid have 0 liquid type)
    if (type == 0 && !fullType)
    {
        // No liquid data
        map.liquidMapOffset = 0;
        map.liquidMapSize   = 0;
    }
    else
    {
        int minX = 255, minY = 255;
        int maxX = 0, maxY = 0;
        maxHeight = -20000;
        minHeight = 20000;
        for (int y=0; y<ADT_GRID_SIZE; y++)
        {
            for(int x=0; x<ADT_GRID_SIZE; x++)
            {
                if (liquid_show[y][x])
                {
                    if (minX > x) minX = x;
                    if (maxX < x) maxX = x;
                    if (minY > y) minY = y;
                    if (maxY < y) maxY = y;
                    float h = liquid_height[y][x];
                    if (maxHeight < h) maxHeight = h;
                    if (minHeight > h) minHeight = h;
                }
                else
                    liquid_height[y][x] = CONF_use_minHeight;
            }
        }
        map.liquidMapOffset = map.heightMapOffset + map.heightMapSize;
        map.liquidMapSize = sizeof(map_liquidHeader);
        liquidHeader.fourcc = *(uint32 const*)MAP_LIQUID_MAGIC;
        liquidHeader.flags = 0;
        liquidHeader.liquidType = 0;
        liquidHeader.offsetX = minX;
        liquidHeader.offsetY = minY;
        liquidHeader.width   = maxX - minX + 1 + 1;
        liquidHeader.height  = maxY - minY + 1 + 1;
        liquidHeader.liquidLevel = minHeight;

        if (maxHeight == minHeight)
            liquidHeader.flags |= MAP_LIQUID_NO_HEIGHT;

        // Not need store if flat surface
        if (CONF_allow_float_to_int && (maxHeight - minHeight) < CONF_flat_liquid_delta_limit)
            liquidHeader.flags |= MAP_LIQUID_NO_HEIGHT;

        if (!fullType)
            liquidHeader.flags |= MAP_LIQUID_NO_TYPE;

        if (liquidHeader.flags & MAP_LIQUID_NO_TYPE)
            liquidHeader.liquidType = type;
        else
            map.liquidMapSize += sizeof(liquid_entry) + sizeof(liquid_flags);

        if (!(liquidHeader.flags & MAP_LIQUID_NO_HEIGHT))
            map.liquidMapSize += sizeof(float)*liquidHeader.width*liquidHeader.height;
    }

    // map hole info
    uint16 holes[ADT_CELLS_PER_GRID][ADT_CELLS_PER_GRID];

    if (map.liquidMapOffset)
        map.holesOffset = map.liquidMapOffset + map.liquidMapSize;
    else
        map.holesOffset = map.heightMapOffset + map.heightMapSize;

    memset(holes, 0, sizeof(holes));
    bool hasHoles = false;

    for (int i = 0; i < ADT_CELLS_PER_GRID; ++i)
    {
        for (int j = 0; j < ADT_CELLS_PER_GRID; ++j)
        {
            adt_MCNK * cell = adt.cells[i][j];
            if (!cell)
                continue;
            holes[i][j] = cell->holes;
            if (!hasHoles && cell->holes != 0)
                hasHoles = true;
        }
    }

    if (hasHoles)
        map.holesSize = sizeof(holes);
    else
        map.holesSize = 0;

    // Ok all data prepared - store it
    FILE* output = fopen(filename2, "wb");
    if (!output)
    {
        printf("Can't create the output file '%s'\n", filename2);
        return false;
    }
    fwrite(&map, sizeof(map), 1, output);
    // Store area data
    fwrite(&areaHeader, sizeof(areaHeader), 1, output);
    if (!(areaHeader.flags&MAP_AREA_NO_AREA))
        fwrite(area_flags, sizeof(area_flags), 1, output);

    // Store height data
    fwrite(&heightHeader, sizeof(heightHeader), 1, output);
    if (!(heightHeader.flags & MAP_HEIGHT_NO_HEIGHT))
    {
        if (heightHeader.flags & MAP_HEIGHT_AS_INT16)
        {
            fwrite(uint16_V9, sizeof(uint16_V9), 1, output);
            fwrite(uint16_V8, sizeof(uint16_V8), 1, output);
        }
        else if (heightHeader.flags & MAP_HEIGHT_AS_INT8)
        {
            fwrite(uint8_V9, sizeof(uint8_V9), 1, output);
            fwrite(uint8_V8, sizeof(uint8_V8), 1, output);
        }
        else
        {
            fwrite(V9, sizeof(V9), 1, output);
            fwrite(V8, sizeof(V8), 1, output);
        }
    }

    // Store liquid data if need
    if (map.liquidMapOffset)
    {
        fwrite(&liquidHeader, sizeof(liquidHeader), 1, output);
        if (!(liquidHeader.flags & MAP_LIQUID_NO_TYPE))
        {
            fwrite(liquid_entry, sizeof(liquid_entry), 1, output);
            fwrite(liquid_flags, sizeof(liquid_flags), 1, output);
        }

        if (!(liquidHeader.flags & MAP_LIQUID_NO_HEIGHT))
        {
            for (int y = 0; y < liquidHeader.height; y++)
                fwrite(&liquid_height[y + liquidHeader.offsetY][liquidHeader.offsetX], sizeof(float), liquidHeader.width, output);
        }
    }

    // store hole data
    if (hasHoles)
        fwrite(holes, map.holesSize, 1, output);

    fclose(output);

    return true;
}

void ExtractMapsFromMpq(uint32 build)
{
    char mpq_filename[1024];
    char output_filename[1024];
    char mpq_map_name[1024];

    printf("Extracting maps...\n");

    uint32 map_count = ReadMapDBC();

    ReadAreaTableDBC();
    ReadLiquidTypeTableDBC();

    std::string path = output_path;
    path += "/maps/";
    CreateDir(path);

    printf("Convert map files\n");
    for (uint32 z = 0; z < map_count; ++z)
    {
        printf("Extract %s (%d/%u)                  \n", map_ids[z].name, z+1, map_count);
        // Loadup map grid data
        sprintf(mpq_map_name, "World\\Maps\\%s\\%s.wdt", map_ids[z].name, map_ids[z].name);
        WDT_file wdt;
        if (!wdt.loadFile(WorldMpq, mpq_map_name, false))
            continue;

        for (uint32 y = 0; y < WDT_MAP_SIZE; ++y)
        {
            for (uint32 x = 0; x < WDT_MAP_SIZE; ++x)
            {
                if (!(wdt.main->adt_list[y][x].flag & 0x1))
                    continue;

                sprintf(mpq_filename, "World\\Maps\\%s\\%s_%u_%u.adt", map_ids[z].name, map_ids[z].name, x, y);
                sprintf(output_filename, "%s/maps/%03u%02u%02u.map", output_path, map_ids[z].id, y, x);
                ConvertADT(mpq_filename, output_filename, y, x, build);
            }

            // draw progress bar
            printf("Processing........................%d%%\r", (100 * (y+1)) / WDT_MAP_SIZE);
        }
    }

    printf("\n");
    delete [] areas;
    delete [] map_ids;
}

bool ExtractFile(HANDLE fileInArchive, char const* filename)
{
    FILE* output = fopen(filename, "wb");
    if(!output)
    {
        printf("Can't create the output file '%s'\n", filename);
        return false;
    }

    char  buffer[0x10000];
    DWORD readBytes = 1;

    while (readBytes > 0)
    {
        SFileReadFile(fileInArchive, buffer, sizeof(buffer), &readBytes, NULL);
        if (readBytes > 0)
            fwrite(buffer, 1, readBytes, output);
    }

    fclose(output);
    return true;
}

void ExtractDBCFiles(int l, bool basicLocale)
{
    printf("Extracting dbc files...\n");

    SFILE_FIND_DATA foundFile;
    memset(&foundFile, 0, sizeof(foundFile));
    HANDLE listFile = SFileFindFirstFile(LocaleMpq, "DBFilesClient\\*dbc", &foundFile, NULL);
    HANDLE dbcFile = NULL;
    uint32 count = 0;
    if (listFile)
    {
        std::string outputPath = output_path;
        outputPath += "/dbc/";

        CreateDir(outputPath);
        if (!basicLocale)
        {
            outputPath += Locales[l];
            outputPath += "/";
            CreateDir(outputPath);
        }

        std::string filename;

        do
        {
            if (!SFileOpenFileEx(LocaleMpq, foundFile.cFileName, SFILE_OPEN_PATCHED_FILE, &dbcFile))
            {
                printf("Unable to open file %s in the archive\n", foundFile.cFileName);
                continue;
            }

            filename = foundFile.cFileName;
            filename = outputPath + filename.substr(filename.rfind('\\'));
            if (ExtractFile(dbcFile, filename.c_str()))
                ++count;

            SFileCloseFile(dbcFile);
        } while (SFileFindNextFile(listFile, &foundFile));

        SFileFindClose(listFile);
    }

    printf("Extracted %u DBC files\n\n", count);
}

void ExtractDB2Files(int l, bool basicLocale)
{
    printf("Extracting db2 files...\n");

    SFILE_FIND_DATA foundFile;
    memset(&foundFile, 0, sizeof(foundFile));
    HANDLE listFile = SFileFindFirstFile(LocaleMpq, "DBFilesClient\\*db2", &foundFile, NULL);
    HANDLE dbcFile = NULL;
    uint32 count = 0;
    if (listFile)
    {
        std::string outputPath = output_path;
        outputPath += "/dbc/";
        if (!basicLocale)
        {
            outputPath += Locales[l];
            outputPath += "/";
        }

        std::string filename;

        do
        {
            if (!SFileOpenFileEx(LocaleMpq, foundFile.cFileName, SFILE_OPEN_PATCHED_FILE, &dbcFile))
            {
                printf("Unable to open file %s in the archive\n", foundFile.cFileName);
                continue;
            }

            filename = foundFile.cFileName;
            filename = outputPath + filename.substr(filename.rfind('\\'));
            if (ExtractFile(dbcFile, filename.c_str()))
                ++count;

            SFileCloseFile(dbcFile);
        } while (SFileFindNextFile(listFile, &foundFile));

        SFileFindClose(listFile);
    }

    printf("Extracted %u DB2 files\n\n", count);
}

bool LoadLocaleMPQFile(int locale)
{
    TCHAR buff[512];
    memset(buff, 0, sizeof(buff));
    _stprintf(buff, _T("%s/Data/%s/locale-%s.MPQ"), input_path, LocalesT[locale], LocalesT[locale]);
    if (!SFileOpenArchive(buff, 0, MPQ_OPEN_READ_ONLY, &LocaleMpq))
    {
        if (GetLastError() != ERROR_PATH_NOT_FOUND)
        {
            _tprintf(_T("\nLoading %s locale MPQs\n"), LocalesT[locale]);
            _tprintf(_T("Cannot open archive %s\n"), buff);
        }
        return false;
    }

    _tprintf(_T("\nLoading %s locale MPQs\n"), LocalesT[locale]);
    char const* prefix = NULL;
    for (int i = 0; Builds[i] && Builds[i] <= CONF_TargetBuild; ++i)
    {
        // Do not attempt to read older MPQ patch archives past this build, they were merged with base
        // and trying to read them together with new base will not end well
        if (CONF_TargetBuild >= NEW_BASE_SET_BUILD && Builds[i] < NEW_BASE_SET_BUILD)
            continue;

        memset(buff, 0, sizeof(buff));
        if (Builds[i] > LAST_DBC_IN_DATA_BUILD)
        {
            prefix = "";
            _stprintf(buff, _T("%s/Data/%s/wow-update-%s-%u.MPQ"), input_path, LocalesT[locale], LocalesT[locale], Builds[i]);
        }
        else
        {
            prefix = Locales[locale];
            _stprintf(buff, _T("%s/Data/wow-update-%u.MPQ"), input_path, Builds[i]);
        }

        if (!SFileOpenPatchArchive(LocaleMpq, buff, prefix, 0))
        {
            if (GetLastError() != ERROR_FILE_NOT_FOUND)
                _tprintf(_T("Cannot open patch archive %s\n"), buff);
            continue;
        }
        else
            _tprintf(_T("Loaded %s\n"), buff);
    }

    printf("\n");
    return true;
}

void LoadCommonMPQFiles(uint32 build)
{
    TCHAR filename[512];
    _stprintf(filename, _T("%s/Data/world.MPQ"), input_path);
    _tprintf(_T("Loading common MPQ files\n"));
    if (!SFileOpenArchive(filename, 0, MPQ_OPEN_READ_ONLY, &WorldMpq))
    {
        if (GetLastError() != ERROR_PATH_NOT_FOUND)
            _tprintf(_T("Cannot open archive %s\n"), filename);
        return;
    }

    int count = sizeof(CONF_mpq_list) / sizeof(char*);
    for (int i = 1; i < count; ++i)
    {
        if (build < NEW_BASE_SET_BUILD && !strcmp("world2.MPQ", CONF_mpq_list[i]))   // 4.3.2 and higher MPQ
            continue;

        _stprintf(filename, _T("%s/Data/%s"), input_path, CONF_mpq_list[i]);
        if (!SFileOpenPatchArchive(WorldMpq, filename, "", 0))
        {
            if (GetLastError() != ERROR_PATH_NOT_FOUND)
                _tprintf(_T("Cannot open archive %s\n"), filename);
            else
                _tprintf(_T("Not found %s\n"), filename);
        }
        else
            _tprintf(_T("Loaded %s\n"), filename);

    }

    char const* prefix = NULL;
    for (int i = 0; Builds[i] && Builds[i] <= CONF_TargetBuild; ++i)
    {
        // Do not attempt to read older MPQ patch archives past this build, they were merged with base
        // and trying to read them together with new base will not end well
        if (CONF_TargetBuild >= NEW_BASE_SET_BUILD && Builds[i] < NEW_BASE_SET_BUILD)
            continue;

        memset(filename, 0, sizeof(filename));
        if (Builds[i] > LAST_DBC_IN_DATA_BUILD)
        {
            prefix = "";
            _stprintf(filename, _T("%s/Data/wow-update-base-%u.MPQ"), input_path, Builds[i]);
        }
        else
        {
            prefix = "base";
            _stprintf(filename, _T("%s/Data/wow-update-%u.MPQ"), input_path, Builds[i]);
        }

        if (!SFileOpenPatchArchive(WorldMpq, filename, prefix, 0))
        {
            if (GetLastError() != ERROR_PATH_NOT_FOUND)
                _tprintf(_T("Cannot open patch archive %s\n"), filename);
            else
                _tprintf(_T("Not found %s\n"), filename);
            continue;
        }
        else
            _tprintf(_T("Loaded %s\n"), filename);
    }

    printf("\n");
}

int main(int argc, char * arg[])
{
    printf("Map & DBC Extractor\n");
    printf("===================\n");

    HandleArgs(argc, arg);

    int FirstLocale = -1;
    uint32 build = 0;

    for (int i = 0; i < LOCALES_COUNT; ++i)
    {
        //Open MPQs
        if (!LoadLocaleMPQFile(i))
        {
            if (GetLastError() != ERROR_PATH_NOT_FOUND)
                printf("Unable to load %s locale archives!\n", Locales[i]);
            continue;
        }

        printf("Detected locale: %s\n", Locales[i]);
        if ((CONF_extract & EXTRACT_DBC) == 0)
        {
            FirstLocale = i;
            build = ReadBuild(i);
            if (build > CONF_TargetBuild)
            {
                printf("Base locale-%s.MPQ has build higher than target build (%u > %u), nothing extracted!\n", Locales[i], build, CONF_TargetBuild);
                return 0;
            }

            printf("Detected client build: %u\n", build);
            printf("\n");
            break;
        }

        //Extract DBC files
        uint32 tempBuild = ReadBuild(i);
        printf("Detected client build %u for locale %s\n", tempBuild, Locales[i]);
        if (tempBuild > CONF_TargetBuild)
        {
            SFileCloseArchive(LocaleMpq);
            printf("Base locale-%s.MPQ has build higher than target build (%u > %u), nothing extracted!\n", Locales[i], tempBuild, CONF_TargetBuild);
            continue;
        }

        printf("\n");
        ExtractDBCFiles(i, FirstLocale < 0);
        ExtractDB2Files(i, FirstLocale < 0);

        if (FirstLocale < 0)
        {
            FirstLocale = i;
            build = tempBuild;
        }

        //Close MPQs
        SFileCloseArchive(LocaleMpq);
    }

    if (FirstLocale < 0)
    {
        printf("No locales detected\n");
        return 0;
    }

    if (CONF_extract & EXTRACT_MAP)
    {
        printf("Using locale: %s\n", Locales[FirstLocale]);

        // Open MPQs
        LoadLocaleMPQFile(FirstLocale);
        LoadCommonMPQFiles(build);

        // Extract maps
        ExtractMapsFromMpq(build);

        // Close MPQs
        SFileCloseArchive(WorldMpq);
        SFileCloseArchive(LocaleMpq);
    }

    return 0;
}