Для экспорта текстур из Spear of Destiny я использовал утилиту wolf3dredux, а она экспортирует их в формате tga. Так как 600+ файлов редактировать в гимпе не хотелось - был написан скрипт с использованием библиотеки:
<?php // Author: de77 // Licence: MIT // First-version: 9.02.2010 // Version: 24.08.2010 // http://de77.com function rle_decode($data, $datalen, $pixel_size) { $len = strlen($data); $out = ''; $i = 0; $k = 0; while ($i<$len) { dec_bits(ord($data[$i]), $type, $value); if ($k >= $datalen) { break; } $i++; if ($type == 0) //raw { for ($j=0; $j<$pixel_size*$value; $j++) { $out .= $data[$j+$i]; $k++; } $i += $value*$pixel_size; } else //rle { for ($j=0; $j<$value; $j++) { $out .= $data[$i] . $data[$i+1] . $data[$i+2]; if ($pixel_size == 4) $out .= $data[$i+3]; $k++; } $i += $pixel_size; } } return $out; } function dec_bits($byte, &$type, &$value) { $type = ($byte & 0x80) >> 7; $value = 1 + ($byte & 0x7F); } function getimagesizetga($filename) { $f = fopen($filename, 'rb'); $header = fread($f, 18); $header = @unpack( "cimage_id_len/ccolor_map_type/cimage_type/vcolor_map_origin/vcolor_map_len/" . "ccolor_map_entry_size/vx_origin/vy_origin/vwidth/vheight/" . "cpixel_size/cdescriptor", $header); fclose($f); $types = array(0,1,2,3,9,10,11,32,33); if (!in_array($header['image_type'], $types)) { return array(0, 0, 0, 0, 0); } if ($header['pixel_size'] > 32) { return array(0, 0, 0, 0, 0); } return array($header['width'], $header['height'], 'tga', $header['pixel_size'], $header['image_type']); } function imagecreatefromtga($filename) { $f = fopen($filename, 'rb'); if (!$f) { return false; } $header = fread($f, 18); $header = unpack( "cimage_id_len/ccolor_map_type/cimage_type/vcolor_map_origin/vcolor_map_len/" . "ccolor_map_entry_size/vx_origin/vy_origin/vwidth/vheight/" . "cpixel_size/cdescriptor", $header); switch ($header['image_type']) { case 2: echo "Image is not compressed\n";//no palette, uncompressed case 10: //no palette, rle break; default: die('Unsupported TGA format'); } if ($header['pixel_size'] != 24 && $header['pixel_size'] != 32) { die('Unsupported TGA color depth'); } $bytes = $header['pixel_size'] / 8; if ($header['image_id_len'] > 0) { $header['image_id'] = fread($f, $header['image_id_len']); } else { $header['image_id'] = ''; } $im = imagecreatetruecolor($header['width'], $header['height']); $size = $header['width'] * $header['height'] * $bytes; //-- check whether this is NEW TGA or not $pos = ftell($f); fseek($f, -26, SEEK_END); $newtga = fread($f, 26); if (substr($newtga, 8, 16) != 'TRUEVISION-XFILE') { $newtga = false; } fseek($f, 0, SEEK_END); $datasize = ftell($f) - $pos; if ($newtga) { $datasize -= 26; } fseek($f, $pos, SEEK_SET); //-- end of check $data = fread($f, $datasize); if ($header['image_type'] == 10) { $data = rle_decode($data, $size, $bytes); } if (bit5($header['descriptor']) == 1) { $reverse = true; } else { $reverse = false; } $i = 0; $pixels = str_split($data, $bytes); //read pixels if ($reverse) { for ($y=0; $y<$header['height']; $y++) { for ($x=0; $x<$header['width']; $x++) { imagesetpixel($im, $x, $y, dwordize($pixels[$i])); $i++; } } } else { for ($y=$header['height']-1; $y>=0; $y--) { for ($x=0; $x<$header['width']; $x++) { imagesetpixel($im, $x, $y, dwordize($pixels[$i])); $i++; } } } fclose($f); return $im; } function dwordize($str) { $a = ord($str[0]); $b = ord($str[1]); $c = ord($str[2]); return $c*256*256 + $b*256 + $a; } function bit5($x) { return ($x & 32) >> 5; }