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| <blockquote> <pre>
| | [http://wiki.secondlife.com/w/index.php?action=raw&ctype=text/javascript&dontcountme=s&title=LlSculpt_mel/sculpt.mel View source to llSculpt.mel] |
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| // * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
| | Added a button to flip the map horizontally. It is check by default, but it should keep people from having to use photoshop to flip it if it gets inverted. --Delerium Hannibal |
| // * $License$
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| global proc string llFirst(string $list[])
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| {
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| return $list[0];
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| }
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| global proc llSculptExport(string $object, string $file_name, string $file_format,
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| int $resolution_x, int $resolution_y,
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| int $maximize_scale, int $fix_orientation)
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|
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| {
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| // copy it, because we're going to mutilate it. MUHAHAHAAAaa...
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| string $object_copy = llFirst(duplicate($object));
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| // disentangle from groups
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| string $parents[] = listRelatives("-parent", $object_copy);
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| if (size($parents) != 0)
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| $object_copy = llFirst(parent("-world", $object_copy));
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| // scale it to unit cube
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| float $bounding_min[3];
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| float $bounding_max[3];
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| $bounding_min = getAttr($object_copy + ".boundingBoxMin");
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| $bounding_max = getAttr($object_copy + ".boundingBoxMax");
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| float $scale[3];
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| int $i;
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| for ($i = 0; $i < 3; $i++)
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| $scale[$i] = $bounding_max[$i] - $bounding_min[$i];
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| float $scale_max = 0;
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| for ($i = 0; $i < 3; $i++)
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| if ($scale[$i] > $scale_max)
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| $scale_max = $scale[$i];
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| if ($maximize_scale)
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| {
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| print($object + " scale normalized - scale by " +
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| $scale[0] + " " + $scale[1] + " " + $scale[2] + " inside SL to get original shape\n");
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| }
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| else
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| {
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| for ($i = 0; $i < 3; $i++)
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| $scale[$i] = $scale_max;
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| }
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|
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| scale("-relative", 1/$scale[0], 1/$scale[1], 1/$scale[2], $object_copy);
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| // position it in unit cube
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| $bounding_min = getAttr($object_copy + ".boundingBoxMin");
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| $bounding_max = getAttr($object_copy + ".boundingBoxMax");
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|
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| float $center[3];
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| for ($i = 0; $i < 3; $i++)
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| $center[$i] = ($bounding_min[$i] + $bounding_max[$i]) / 2.0;
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| move("-relative", 0.5 - $center[0], 0.5 - $center[1], 0.5 - $center[2], $object_copy);
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| //
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| // nurbs surfaces can be adjusted to ensure correct orientation
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| //
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| if ($fix_orientation)
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| {
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| string $shape = llFirst(listRelatives("-shapes", $object_copy));
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| if ((nodeType($object_copy) == "nurbsSurface") ||
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| (($shape != "") && (nodeType($shape) == "nurbsSurface")))
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| {
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| // try to determine the "north pole";
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| float $pole[] = pointOnSurface("-turnOnPercentage", 1,
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| "-parameterU", 0.5,
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| "-parameterV", 0,
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| $object_copy);
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| float $total_distance = 0;
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| float $v;
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| for ($v = 0; $v <= 1; $v += 0.1)
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| {
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| float $point[] = pointOnSurface("-turnOnPercentage", 1,
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| "-parameterU", $v,
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| "-parameterV", 0,
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| $object_copy);
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| float $distance = 0;
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| int $i;
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| for ($i = 0; $i < 3; $i++)
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| $distance += pow($pole[$i] - $point[$i], 2);
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| $distance = sqrt($distance);
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| $total_distance += $distance;
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| }
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| if ($total_distance > 0.1) // the points don't converge on the pole - swap
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| {
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| print("swapping UVs to orient poles for " + $object + "\n");
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| reverseSurface("-direction", 3, $object_copy);
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| }
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| // now try to ensure the normal points "out"
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| // note: this could easily fail - but there's no better way (i think.)
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| float $total_orientation = 0;
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| float $u;
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| for ($u = 0; $u <= 1; $u += 0.1)
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| for ($v = 0; $v <= 1; $v += 0.1)
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| {
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| float $point[] = pointOnSurface("-turnOnPercentage", 1,
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| "-parameterU", $u,
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| "-parameterV", $v,
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| $object_copy);
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|
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| float $normal[] = pointOnSurface("-normal",
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| "-turnOnPercentage", 1,
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| "-parameterU", $u,
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| "-parameterV", $v,
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| $object_copy);
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| // check the orientation of the normal w/r/t the direction from center
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| float $center_dir[];
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| for ($i = 0; $i < 3; $i++)
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| $center_dir[$i] = $point[$i] - 0.5;
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| float $orientation = 0; // dot product
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| for ($i = 0; $i < 3; $i++)
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| $orientation += $center_dir[$i] * $normal[$i];
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| $total_orientation += $orientation;
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| }
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| if ($total_orientation > 0) // need to invert
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| {
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| print("reversing V for " + $object + "\n");
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| reverseSurface("-direction", 1, $object_copy);
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| }
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| }
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|
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| else
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| {
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| warning("cannot fix orientation on non-nurbs object: " + $object);
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| }
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| }
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|
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| // create temporary shading network
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| string $sampler_info = createNode("samplerInfo");
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| print("exporting sculpt map for " + $object + " into file " + $file_name + "\n");
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|
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| // bake sculpt texture
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| string $fileNodes[] = convertSolidTx("-fileImageName", $file_name,
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| "-fileFormat", $file_format,
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| "-force", 1,
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| "-resolutionX", $resolution_x,
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| "-resolutionY", $resolution_y,
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| $sampler_info + ".pointWorld",
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| $object_copy);
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| delete($fileNodes); // we don't want 'em. why do you make 'em?
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| delete($sampler_info);
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| delete($object_copy);
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| }
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| global proc int llSculptEditorCallback()
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| {
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| string $objects[] = ls("-sl");
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| if (size($objects) == 0)
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| {
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| warning("please select objects to export");
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| return 0;
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| }
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|
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| string $filename = textFieldButtonGrp("-query", "-fileName", "llSculptEditorFilename");
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| int $resolution_x = intSliderGrp("-query", "-value", "llSculptEditorResolutionX");
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| int $resolution_y = intSliderGrp("-query", "-value", "llSculptEditorResolutionY");
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| int $fix_orientation = checkBoxGrp("-query", "-value1", "llSculptEditorFixOrientation");
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| int $maximize_scale = checkBoxGrp("-query", "-value1", "llSculptEditorMaximizeScale");
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| // get filetype
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| string $file_type;
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| string $file_base;
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| string $file_extension;
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|
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| string $tokens[];
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| tokenize($filename, ".", $tokens);
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| if (size($tokens) == 1) // no extension, default to bmp
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| {
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| $file_base = $filename;
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| $file_type = "bmp";
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| $file_extension = "bmp";
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| }
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| else
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| {
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| $file_extension = $tokens[size($tokens) - 1];
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| int $i;
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| for ($i = 0; $i < size($tokens) - 1; $i++)
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| {
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| $file_base += $tokens[$i];
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| if ($i != size($tokens) - 2)
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| $file_base += ".";
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| }
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| if ($file_extension == "bmp")
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| $file_type = "bmp";
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| else if (($file_extension == "jpg") || ($file_extension == "jpeg"))
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| $file_type = "jpg";
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| else if (($file_extension == "tif") || ($file_extension == "tiff"))
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| $file_type = "tif";
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| else if ($file_extension == "tga")
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| $file_type = "tga";
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| else
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| {
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| warning("unknown image type (" + $file_extension + "). switching to bmp");
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| $file_type = "bmp";
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| $file_extension = "bmp";
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| }
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| }
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| string $object;
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| for ($object in $objects)
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| {
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| string $this_filename = $file_base;
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| if (size($objects) > 1)
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| $this_filename += "-" + $object;
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| $this_filename += "." + $file_extension;
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| llSculptExport($object, $this_filename, $file_type, $resolution_x, $resolution_y,
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| $maximize_scale, $fix_orientation);
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| }
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|
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| select($objects);
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|
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| return 1;
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| }
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| global proc llSculptEditorSetFilenameCallback(string $filename, string $filetype)
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| {
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| textFieldButtonGrp("-edit", "-fileName", $filename, "llSculptEditorFilename");
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| }
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| global proc llSculptEditorBrowseCallback()
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| {
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| fileBrowser("llSculptEditorSetFilenameCallback", "Export", "image", 1);
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| }
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| global proc llSculptEditor()
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| {
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| string $commandName = "llSculptExport";
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| string $layout = getOptionBox();
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| setParent $layout;
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| setOptionBoxCommandName($commandName);
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| setUITemplate -pushTemplate DefaultTemplate;
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| scrollLayout;
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| tabLayout -tabsVisible 0 -scrollable 1;
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| string $parent = `columnLayout -adjustableColumn 1`;
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| separator -height 10 -style "none";
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| textFieldButtonGrp
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| -label "Filename"
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| -fileName "sculpt.bmp"
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| -buttonLabel "Browse"
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| -buttonCommand "llSculptEditorBrowseCallback"
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| llSculptEditorFilename;
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| intSliderGrp
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| -field on
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| -label "X Resolution"
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| -minValue 1
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| -maxValue 512
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| -fieldMinValue 1
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| -fieldMaxValue 4096
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| -value 64
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| llSculptEditorResolutionX;
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| intSliderGrp
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| -field on
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| -label "Y Resolution"
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| -minValue 1
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| -maxValue 512
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| -fieldMinValue 1
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| -fieldMaxValue 4096
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| -value 64
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| llSculptEditorResolutionY;
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| checkBoxGrp
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| -label ""
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| -label1 "Maximize scale"
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| -numberOfCheckBoxes 1
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| -value1 off
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| llSculptEditorMaximizeScale;
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| checkBoxGrp
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| -label ""
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| -label1 "Correct orientation"
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| -numberOfCheckBoxes 1
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| -value1 on
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| llSculptEditorFixOrientation;
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| setUITemplate -popTemplate;
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| string $applyBtn = getOptionBoxApplyBtn();
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| button -edit
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| -label "Export"
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| -command "llSculptEditorCallback"
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| $applyBtn;
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| string $applyAndCloseBtn = getOptionBoxApplyAndCloseBtn();
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| button -edit
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| -label "Export and Close"
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| -command "llSculptEditorCallback"
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| $applyAndCloseBtn;
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| setOptionBoxTitle("Export Sculpt Texture");
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| setOptionBoxHelpTag( "ConvertFileText" );
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| showOptionBox();
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| }
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| //
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| llSculptEditor;
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| </pre></blockquote>
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