forked from Wargus/wargus
/
wartool.cpp
2841 lines (2487 loc) · 61.8 KB
/
wartool.cpp
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// _________ __ __
// / _____// |_____________ _/ |______ ____ __ __ ______
// \_____ \\ __\_ __ \__ \\ __\__ \ / ___\| | \/ ___/
// / \| | | | \// __ \| | / __ \_/ /_/ > | /\___ |
// /_______ /|__| |__| (____ /__| (____ /\___ /|____//____ >
// \/ \/ \//_____/ \/
// ______________________ ______________________
// T H E W A R B E G I N S
// Utility for Stratagus - A free fantasy real time strategy game engine
//
/**@name wartool.c - Extract files from war archives. */
//
// (c) Copyright 1999-2016 by Lutz Sammer, Nehal Mistry, Jimmy Salmon,
// Pali Rohár and cybermind
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 dated June, 1991.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
//@{
/*----------------------------------------------------------------------------
-- Includes
----------------------------------------------------------------------------*/
#include "wartool.h"
#include <stratagus-gameutils.h>
#if defined(_MSC_VER) || defined(WIN32)
#include <windows.h>
#endif
#ifdef _MSC_VER
#define unlink _unlink
#define inline __inline
#define strdup _strdup
#define DEBUG _DEBUG
#include <direct.h>
#include <io.h>
#else
#include <unistd.h>
#endif
#include "endian.h"
#include "xmi2mid.h"
#include "rip_music.h"
#include "pud.h"
#ifndef __GNUC__
#define __attribute__(args) // Does nothing for non GNU CC
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
//----------------------------------------------------------------------------
/**
** Palette N27, for credits cursor
*/
static unsigned char* Pal27;
/**
** Original archive buffer.
*/
static unsigned char* ArchiveBuffer;
/**
** Offsets for each entry into original archive buffer.
*/
static unsigned char** ArchiveOffsets;
/**
** Fake empty entry
*/
static unsigned int EmptyEntry[] = { 1, 1, 1 };
static char* ArchiveDir;
/**
** What CD Type is it?
*/
static int CDType;
// Width of game font
static int game_font_width;
/**
** File names.
*/
static char* UnitNames[110];
static int UnitNamesLast = 0;
//----------------------------------------------------------------------------
// TOOLS
//----------------------------------------------------------------------------
/**
** Check if path exists, if not make all directories.
*/
void CheckPath(const char* path)
{
char* cp;
char* s;
cp = strdup(path);
s = strrchr(cp, '/');
if (s) {
*s = '\0'; // remove file
s = cp;
for (;;) { // make each path element
s = strchr(s, '/');
if (s) {
*s = '\0';
}
#if defined(_MSC_VER) || defined(WIN32)
_mkdir(cp);
#else
mkdir(cp, 0777);
#endif
if (s) {
*s++ = '/';
} else {
break;
}
}
}
free(cp);
}
/**
** Given a file name that would appear in a PC archive convert it to what
** would appear on the Mac.
*/
void ConvertToMac(char* filename)
{
if (!strcmp(filename, "rezdat.war")) {
strcpy(filename, "War Resources");
return;
}
if (!strcmp(filename, "strdat.war")) {
strcpy(filename, "War Strings");
return;
}
if (!strcmp(filename, "maindat.war")) {
strcpy(filename, "War Data");
return;
}
if (!strcmp(filename, "snddat.war")) {
strcpy(filename, "War Music");
return;
}
if (!strcmp(filename, "muddat.cud")) {
strcpy(filename, "War Movies");
return;
}
if (!strcmp(filename, "sfxdat.sud")) {
strcpy(filename, "War Sounds");
return;
}
}
//----------------------------------------------------------------------------
// PNG
//----------------------------------------------------------------------------
/**
** Save a png file.
**
** @param name File name
** @param image Graphic data
** @param w Graphic width
** @param h Graphic height
** @param pal Palette
** @param transparent Image uses transparency
*/
int SavePNG(const char* name, unsigned char* image, int x, int y, int w,
int h, int pitch, unsigned char* pal, int transparent)
{
FILE* fp;
png_structp png_ptr;
png_infop info_ptr;
unsigned char** lines;
int i;
if (!(fp = fopen(name, "wb"))) {
printf("%s:", name);
perror("Can't open file");
fflush(stdout); fflush(stderr);
return 1;
}
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png_ptr) {
fclose(fp);
return 1;
}
info_ptr = png_create_info_struct(png_ptr);
if (!info_ptr) {
png_destroy_write_struct(&png_ptr, NULL);
fclose(fp);
return 1;
}
if (setjmp(png_jmpbuf(png_ptr))) {
// FIXME: must free buffers!!
png_destroy_write_struct(&png_ptr, &info_ptr);
fclose(fp);
return 1;
}
png_init_io(png_ptr, fp);
// zlib parameters
png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);
// prepare the file information
#if PNG_LIBPNG_VER >= 10504
png_set_IHDR(png_ptr, info_ptr, w, h, 8, PNG_COLOR_TYPE_PALETTE, 0,
PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
png_set_PLTE(png_ptr, info_ptr, (png_colorp)pal, 256);
#else
info_ptr->width = w;
info_ptr->height = h;
info_ptr->bit_depth = 8;
info_ptr->color_type = PNG_COLOR_TYPE_PALETTE;
info_ptr->interlace_type = 0;
info_ptr->valid |= PNG_INFO_PLTE;
info_ptr->palette = (png_colorp)pal;
info_ptr->num_palette = 256;
#endif
if (transparent) {
unsigned char* p;
unsigned char* end;
png_byte trans[256];
p = image + y * pitch + x;
end = image + (y + h) * pitch + x;
while (p < end) {
if (!*p) {
*p = 0xFF;
}
++p;
}
memset(trans, 0xFF, sizeof(trans));
trans[255] = 0x0;
png_set_tRNS(png_ptr, info_ptr, trans, 256, 0);
}
// write the file header information
png_write_info(png_ptr, info_ptr);
// set transformation
// prepare image
lines = (unsigned char **)malloc(h * sizeof(*lines));
if (!lines) {
png_destroy_write_struct(&png_ptr, &info_ptr);
fclose(fp);
return 1;
}
for (i = 0; i < h; ++i) {
lines[i] = image + (i + y) * pitch + x;
}
png_write_image(png_ptr, lines);
png_write_end(png_ptr, info_ptr);
png_destroy_write_struct(&png_ptr, &info_ptr);
fclose(fp);
free(lines);
return 0;
}
//----------------------------------------------------------------------------
// Archive
//----------------------------------------------------------------------------
/**
** Open the archive file.
**
** @param file Archive file name
** @param type Archive type requested
*/
int OpenArchive(const char* file, int type)
{
int f;
struct stat stat_buf;
unsigned char* buf;
unsigned char* cp;
unsigned char** op;
int entries;
int i;
//
// Open the archive file
//
f = open(file, O_RDONLY | O_BINARY, 0);
if (f == -1) {
error("Can't open file", file);
}
if (stat(file, &stat_buf)) {
error("Can't stat file", file);
}
// printf("Filesize %ld %ldk\n",
// (long)stat_buf.st_size, stat_buf.st_size / 1024);
//
// Read in the archive
//
buf = (unsigned char *)malloc(stat_buf.st_size);
if (!buf) {
printf("Can't malloc %ld\n", (long)stat_buf.st_size);
error("Memory error", "Could not allocate enough memory to read archive.");
}
if (read(f, buf, stat_buf.st_size) != stat_buf.st_size) {
printf("Can't read %ld\n", (long)stat_buf.st_size);
error("Memory error", "Could not read archive into RAM.");
}
close(f);
cp = buf;
i = FetchLE32(cp);
// printf("Magic\t%08X\t", i);
if (i != 0x19) {
printf("Wrong magic %08x, expected %08x\n", i, 0x00000019);
error("Archive version error", "This version of the data is not supported");
}
entries = FetchLE16(cp);
// printf("Entries\t%5d\t", entries);
i = FetchLE16(cp);
// printf("ID\t%d\n", i);
if (i != type) {
printf("Wrong type %08x, expected %08x\n", i, type);
error("Archive version error", "This version of the data is not supported");
}
//
// Read offsets.
//
op = (unsigned char **)malloc((entries + 1) * sizeof(unsigned char*));
if (!op) {
printf("Can't malloc %d entries\n", entries);
error("Memory error", "Could not allocate enough memory to read archive.");
}
for (i = 0; i < entries; ++i) {
op[i] = buf + FetchLE32(cp);
// check if entry size is not bigger then archive size
if (op[i] >= buf + stat_buf.st_size - 4) {
op[i] = (unsigned char *)&EmptyEntry;
printf("Ignore entry %d in archive (invalid offset)\n", i);
fflush(stdout);
} else {
unsigned char* dp = op[i];
size_t length = FetchLE32(dp);
int flags = length >> 24;
length &= 0x00FFFFFF;
if (flags == 0x00 && op[i] + length >= buf + stat_buf.st_size) {
op[i] = (unsigned char *)&EmptyEntry;
printf("Ignore entry %d in archive (invalid uncompressed length)\n", i);
fflush(stdout);
}
}
// printf("Offset\t%d\n", op[i]);
}
op[i] = buf + stat_buf.st_size;
ArchiveOffsets = op;
ArchiveBuffer = buf;
return 0;
}
/**
** Extract/uncompress entry.
**
** @param cp Pointer to compressed entry
** @param lenp Return pointer of length of the entry
**
** @return Pointer to uncompressed entry
*/
unsigned char* ExtractEntry(unsigned char* cp, size_t* lenp)
{
unsigned char* dp;
unsigned char* dest;
size_t uncompressed_length;
int flags;
uncompressed_length = FetchLE32(cp);
flags = uncompressed_length >> 24;
uncompressed_length &= 0x00FFFFFF;
// printf("Entry length %8d flags %02x\t", uncompressed_length, flags);
dp = dest = (unsigned char *)malloc(uncompressed_length);
if (!dest) {
printf("Can't malloc %d\n", (int)uncompressed_length);
error("Memory error", "Could not allocate enough memory to read archive.");
}
if (flags == 0x20) {
unsigned char buf[4096];
unsigned char* ep;
int bi;
// printf("Compressed entry\n");
bi = 0;
memset(buf, 0, sizeof(buf));
ep = dp + uncompressed_length;
// FIXME: If the decompression is too slow, optimise this loop :->
while (dp < ep) {
int i;
int bflags;
bflags = FetchByte(cp);
// printf("Ctrl %02x ", bflags);
for (i = 0; i < 8; ++i) {
int j;
int o;
if (bflags & 1) {
j = FetchByte(cp);
*dp++ = j;
buf[bi++ & 0xFFF] = j;
// printf("=%02x", j);
} else {
o = FetchLE16(cp);
// printf("*%d,%d", o >> 12, o & 0xFFF);
j = (o >> 12) + 3;
o &= 0xFFF;
while (j--) {
buf[bi++ & 0xFFF] = *dp++ = buf[o++ & 0xFFF];
if (dp == ep) {
break;
}
}
}
if (dp == ep) {
break;
}
bflags >>= 1;
}
// printf("\n");
}
//if (dp != ep) printf("%p,%p %d\n", dp, ep, dp - dest);
} else if (flags == 0x00) {
// printf("Uncompressed entry\n");
memcpy(dest, cp, uncompressed_length);
} else {
printf("Unknown flags %x\n", flags);
error("Archive version error", "This version of the data is not supported");
}
// return resulting length
if (lenp) {
*lenp = uncompressed_length;
}
return dest;
}
/**
** Close the archive file.
*/
int CloseArchive(void)
{
free(ArchiveBuffer);
free(ArchiveOffsets);
ArchiveBuffer = 0;
ArchiveOffsets = 0;
return 0;
}
#ifdef USE_STORMLIB
int ExtractMPQFile(char *szArchiveName, char *szArchivedFile, char *szFileName, bool compress)
{
HANDLE hMpq = NULL; // Open archive handle
HANDLE hFile = NULL; // Archived file handle
FILE *file = NULL; // Disk file handle
gzFile gzfile = NULL; // Compressed file handle
int nError = ERROR_SUCCESS; // Result value
// Open an archive, e.g. "d2music.mpq"
if(nError == ERROR_SUCCESS) {
if(!SFileOpenArchive(szArchiveName, 0, STREAM_FLAG_READ_ONLY, &hMpq))
nError = GetLastError();
}
// Open a file in the archive, e.g. "data\global\music\Act1\tristram.wav"
if(nError == ERROR_SUCCESS) {
if(!SFileOpenFileEx(hMpq, szArchivedFile, 0, &hFile))
nError = GetLastError();
}
// Create the target file
if(nError == ERROR_SUCCESS) {
CheckPath(szFileName);
if (compress) {
gzfile = gzopen(szFileName, "wb9");
} else {
file = fopen(szFileName, "wb");
}
}
// Read the file from the archive
if(nError == ERROR_SUCCESS) {
char szBuffer[0x10000];
DWORD dwBytes = 1;
while(dwBytes > 0) {
SFileReadFile(hFile, szBuffer, sizeof(szBuffer), &dwBytes, NULL);
if(dwBytes > 0) {
if (compress) {
gzwrite(gzfile, szBuffer, dwBytes);
} else {
fwrite(szBuffer, 1, dwBytes, file);
}
}
}
}
// Cleanup and exit
if(file != NULL) {
fclose(file);
}
if(gzfile != NULL) {
gzclose(gzfile);
}
if(hFile != NULL)
SFileCloseFile(hFile);
if(hMpq != NULL)
SFileCloseArchive(hMpq);
return nError;
}
#endif
//----------------------------------------------------------------------------
// Palette
//----------------------------------------------------------------------------
/**
** Convert palette.
**
** @param pal Pointer to palette
**
** @return Pointer to palette
*/
unsigned char* ConvertPalette(unsigned char* pal)
{
int i;
// PNG needs 0-256
for (i = 0; i < 768; ++i) {
pal[i] <<= 2;
}
return pal;
}
/**
** Convert rgb to my format.
*/
int ConvertRgb(const char* file, int rgbe)
{
unsigned char* rgbp;
char buf[1024];
FILE* f;
int i;
size_t l;
rgbp = ExtractEntry(ArchiveOffsets[rgbe], &l);
ConvertPalette(rgbp);
//
// Generate RGB File.
//
sprintf(buf, "%s/%s/%s.rgb", Dir, TILESET_PATH, file);
CheckPath(buf);
f = fopen(buf, "wb");
if (!f) {
perror("");
printf("Can't open %s\n", buf);
error("Memory error", "Could not allocate enough memory to read archive.");
}
if (l != fwrite(rgbp, 1, l, f)) {
printf("Can't write %d bytes\n", (int)l);
fflush(stdout);
}
fclose(f);
//
// Generate GIMP palette
//
sprintf(buf, "%s/%s/%s.gimp", Dir, TILESET_PATH, file);
CheckPath(buf);
f = fopen(buf, "wb");
if (!f) {
perror("");
printf("Can't open %s\n", buf);
error("Memory error", "Could not allocate enough memory to read archive.");
}
fprintf(f, "GIMP Palette\n# Stratagus %c%s -- GIMP Palette file\n",
toupper(*file), file + 1);
for (i = 0; i < 256; ++i) {
// FIXME: insert nice names!
fprintf(f, "%d %d %d\t#%d\n",
rgbp[i * 3], rgbp[i * 3 + 1], rgbp[i * 3 + 2], i);
}
fclose(f);
free(rgbp);
return 0;
}
//----------------------------------------------------------------------------
// Tileset
//----------------------------------------------------------------------------
/**
** Count used mega tiles for map.
*/
int CountUsedTiles(const unsigned char* map, const unsigned char* mega,
int* map2tile)
{
int i;
int j;
int used;
const unsigned char* tp;
int img2tile[0x9E0];
memset(map2tile, 0, sizeof(map2tile));
//
// Build conversion table.
//
for (i = 0; i < 0x9E; ++i) {
tp = map + i * 42;
// printf("%02X:", i);
for (j = 0; j < 0x10; ++j) {
// printf("%04X ", AccessLE16(tp + j * 2));
map2tile[(i << 4) | j] = AccessLE16(tp + j * 2);
}
// printf("\n");
}
//
// Mark all used mega tiles.
//
used = 0;
for (i = 0; i < 0x9E0; ++i) {
if (!map2tile[i]) {
continue;
}
for (j = 0; j < used; ++j) {
if (img2tile[j] == map2tile[i]) {
break;
}
}
if (j == used) {
//
// Check unique mega tiles.
//
for (j = 0; j < used; ++j) {
if (!memcmp(mega + img2tile[j] * 32, mega + map2tile[i] * 32, 32)) {
break;
}
}
if (j == used) {
img2tile[used++] = map2tile[i];
}
}
}
// printf("Used mega tiles %d\n", used);
#if 0
for (i = 0; i < used; ++i) {
if (!(i % 16)) {
printf("\n");
}
printf("%3d ",img2tile[i]);
}
printf("\n");
#endif
return used;
}
/**
** Convert for ccl.
*/
static void SaveCCL(char* name, unsigned char* map __attribute__((unused)),
const int* map2tile)
{
int i;
char* cp;
FILE* f;
char file[1024];
char tileset[1024];
f = stdout;
// FIXME: open file!
// remove leading path
if ((cp = strrchr(name, '/'))) {
++cp;
} else {
cp = (char*)name;
}
strcpy(file, cp);
strcpy(tileset, cp);
// remove suffix
if ((cp = strrchr(tileset, '.'))) {
*cp = '\0';
}
fprintf(f, "(tileset Tileset%c%s \"%s\" \"%s\"\n",
toupper(*tileset), tileset + 1, tileset, file);
fprintf(f, " #(");
for (i = 0; i < 0x9E0; ++i) {
if (i & 15) {
fprintf(f, " ");
} else if (i) {
fprintf(f, "\t; %03X\n ", i - 16);
}
fprintf(f, "%3d", map2tile[i]);
}
fprintf(f, " ))\n");
// fclose(f);
}
/**
** Decode a minitile into the image.
*/
void DecodeMiniTile(unsigned char* image, int ix, int iy, int iadd,
unsigned char* mini, int index, int flipx, int flipy)
{
static const int flip[] = {
7, 6, 5, 4, 3, 2, 1, 0, 8
};
int x;
int y;
for (y = 0; y < 8; ++y) {
for (x = 0; x < 8; ++x) {
image[(y + iy * 8) * iadd + ix * 8 + x] = mini[index +
(flipy ? flip[y] : y) * 8 + (flipx ? flip[x] : x)];
}
}
}
/**
** Convert tiles into image.
*/
unsigned char* ConvertTile(unsigned char* mini, const unsigned char* mega, int msize,
const unsigned char* map __attribute__((unused)), int *wp, int *hp)
{
unsigned char* image;
const unsigned short* mp;
int height;
int width;
int i;
int x;
int y;
int offset;
int numtiles;
// printf("Tiles in mega %d\t", msize / 32);
numtiles = msize / 32;
width = TILE_PER_ROW * 32;
height = ((numtiles + TILE_PER_ROW - 1) / TILE_PER_ROW) * 32;
// printf("Image %dx%d\n", width, height);
image = (unsigned char *)malloc(height * width);
memset(image, 0, height * width);
for (i = 0; i < numtiles; ++i) {
//mp = (const unsigned short*)(mega + img2tile[i] * 32);
mp = (const unsigned short*)(mega + i * 32);
if (i < 16) { // fog of war
for (y = 0; y < 32; ++y) {
offset = i * 32 * 32 + y * 32;
memcpy(image + (i % TILE_PER_ROW) * 32 +
(((i / TILE_PER_ROW) * 32) + y) * width,
mini + offset, 32);
}
} else { // normal tile
for (y = 0; y < 4; ++y) {
for (x = 0; x < 4; ++x) {
offset = ConvertLE16(mp[x + y * 4]);
DecodeMiniTile(image,
x + ((i % TILE_PER_ROW) * 4), y + (i / TILE_PER_ROW) * 4, width,
mini, (offset & 0xFFFC) * 16, offset & 2, offset & 1);
}
}
}
}
*wp = width;
*hp = height;
return image;
}
/**
** Convert a tileset to my format.
*/
int ConvertTileset(const char* file, int pale, int mege, int mine, int mape)
{
unsigned char* palp;
unsigned char* megp;
unsigned char* minp;
unsigned char* mapp;
unsigned char* image;
int w;
int h;
size_t megl;
char buf[1024];
palp = ExtractEntry(ArchiveOffsets[pale], NULL);
megp = ExtractEntry(ArchiveOffsets[mege], &megl);
minp = ExtractEntry(ArchiveOffsets[mine], NULL);
mapp = ExtractEntry(ArchiveOffsets[mape], NULL);
// printf("%s:\t", file);
image = ConvertTile(minp, megp, megl, mapp, &w, &h);
free(megp);
free(minp);
free(mapp);
ConvertPalette(palp);
sprintf(buf, "%s/%s/%s.png", Dir, TILESET_PATH, file);
CheckPath(buf);
SavePNG(buf, image, 0, 0, w, h, w, palp, 1);
free(image);
free(palp);
return 0;
}
//----------------------------------------------------------------------------
// Graphics
//----------------------------------------------------------------------------
/**
** Decode a entry(frame) into image.
*/
void DecodeGfxEntry(int index, unsigned char* start,
unsigned char* image, int ix, int iy, int iadd)
{
unsigned char* bp;
unsigned char* sp;
unsigned char* dp;
int xoff;
int yoff;
int width;
int height;
int offset;
unsigned char* rows;
int h;
int w;
int ctrl;
bp = start + index * 8;
xoff = FetchByte(bp);
yoff = FetchByte(bp);
width = FetchByte(bp);
height = FetchByte(bp);
offset = FetchLE32(bp);
// printf("%2d: +x %2d +y %2d width %2d height %2d offset %d\n",
// index, xoff, yoff, width, height, offset);
rows = start + offset - 6;
dp = image + xoff - ix + (yoff - iy) * iadd;
for (h = 0; h < height; ++h) {
// printf("%2d: row-offset %2d\t", index, AccessLE16(rows + h * 2));
sp = rows + AccessLE16(rows + h * 2);
for (w = 0; w < width; ) {
ctrl = *sp++;
// printf("%02X", ctrl);
if (ctrl & 0x80) { // transparent
ctrl &= 0x7F;
// printf("-%d,", ctrl);
memset(dp+h*iadd+w,255,ctrl);
w+=ctrl;
} else if (ctrl & 0x40) { // repeat
ctrl &= 0x3F;
// printf("*%d,", ctrl);
memset(dp + h * iadd + w, *sp++, ctrl);
w += ctrl;
} else { // set pixels
ctrl &= 0x3F;
// printf("=%d,", ctrl);
memcpy(dp + h * iadd + w, sp, ctrl);
sp += ctrl;
w += ctrl;
}
}
//dp[h * iadd + width - 1] = 0;
// printf("\n");
}
}
/**
** Decode a entry(frame) into image.
*/
void DecodeGfuEntry(int index, unsigned char* start,
unsigned char* image, int ix, int iy, int iadd)
{
unsigned char* bp;
unsigned char* sp;
unsigned char* dp;
int i;
int xoff;
int yoff;
int width;
int height;
int offset;
bp = start + index * 8;
xoff = FetchByte(bp);
yoff = FetchByte(bp);
width = FetchByte(bp);
height = FetchByte(bp);
offset = FetchLE32(bp);
// High bit of width
if (offset < 0) {
offset &= 0x7FFFFFFF;
width += 256;
}
// printf("%2d: +x %2d +y %2d width %2d height %2d offset %d\n",
// index, xoff, yoff, width, height, offset);
sp = start + offset - 6;
dp = image + xoff - ix + (yoff - iy) * iadd;
for (i = 0; i < height; ++i) {
memcpy(dp, sp, width);
dp += iadd;
sp += width;
}
}
/**
** Convert graphics into image.
*/
unsigned char* ConvertGraphic(int gfx, unsigned char* bp, int *wp, int *hp,
unsigned char* bp2, int start2)
{
int i;
int count;
int length;
int max_width;
int max_height;
int minx;
int miny;
int best_width;
int best_height;
unsigned char* image;
int IPR;
// Init pointer to 2nd animation
if (bp2) {
count = FetchLE16(bp2);
max_width = FetchLE16(bp2);
max_height = FetchLE16(bp2);
}
count = FetchLE16(bp);
max_width = FetchLE16(bp);
max_height = FetchLE16(bp);