// ===== Create Ogre menu
namespace -add "GTPSceneExporter";
namespace -set "GTPSceneExporter";

setParent "MayaWindow";
menu -label "GTP" -tearOff false;
menuItem -label "Export Scene" -command "GTPSceneExporter";
menuItem -label "Path Map" -subMenu true;
menuItem -label "Add Path Map attributes" -command "GTPAddPathMapAttr";

//GTPSceneExporter();

global proc runGTPSceneExport()
{
	string $outputDir    = (`textField -query -text OutputDirectory`);
	if (!endsWith($outputDir,"\\") && !endsWith($outputDir,"/") && (size($outputDir)>0))
		$outputDir += "/";
	string $sceneFile     = (`textField -query -text SceneFileName`);
	
	$sceneFileName = $outputDir + $sceneFile;
    $fileId = `fopen $sceneFileName "w"`;
    
    string $options;
    string $shapes[];
    $shapes=`ls -geometry`;
    
    string $commandFile = $outputDir + "GTP_SceneExport.bat";
    int $comandFileID;
    string $commands = "";
    if (`checkBox -query -value CreateBinary`)
    {
        $comandFileID = `fopen $commandFile "w"`;
        string $OgreDir = (`textField -query -text OgrePath`);
	$OgreDir = toNativePath($OgreDir);		
    	$commands += "path=" + $OgreDir + "\n";
    }
		
    //geometry
    for($index=0;$index<size($shapes);$index++)
	{
	    string $shapename = $shapes[$index];
	    string $shapeNameTokens[];
	    tokenize $shapename "|" $shapeNameTokens;
	    $shapename = $shapeNameTokens[size($shapeNameTokens) - 1];
	    $meshFileName = encodeString(toNativePath($outputDir+$shapename + ".mesh.xml"));
	    
	    fprint $fileId("mesh "+$shapename+"\n{\n");
	    fprint $fileId("\togreXMLfile "+$shapename + ".mesh.xml"+"\n");
	    fprint $fileId("\togrefile "+$shapename + ".mesh"+"\n");
	    int $exportPM = `checkBox -q -v ExportPMAttr`;
	    if($exportPM)
	    {
		   select $shapes[$index];
		   $PRMRes = 64;
		   if(attributeExists("PhotonMapResolution", $shapes[$index]))
		      $PRMRes = `getAttr .prmRes`;
		   fprint $fileId("\tpathmapresolution " + $PRMRes + "\n"); 
		   $PRMDiv = 1;
		   if(attributeExists("PhotonMapSubdivision", $shapes[$index]))
		      $PRMDiv = `getAttr .prmDiv`;
		   fprint $fileId("\tdivide " + $PRMDiv + "\n"); 
	    }    
	    fprint $fileId "}\n\n";
	    
	    //mesh export
		int $exportMeshes = `checkBox -query -value ExportMeshes`;
		if($exportMeshes)
		{
			select $shapename;
			$options += " -sel";
			$options += " -obj";
			$options = "";
	    	$options += " -mesh";
			$options += " \"" + $meshFileName + "\"";
			$options += " -shared -n -t";
			eval ("ogreExport" + $options);		
		}
		
		//binary creation
		if (`checkBox -query -value CreateBinary`)
		{
			int $size = size($meshFileName);
			$size -= 4;
			string $binMeshFileName = startString($meshFileName, $size);
			$commands += "OgreXMLConverter";
			if (!`checkBox -query -value BuildEdgeList`)
				$commands += " -e ";
			if (`checkBox -query -value BuildTangents`)
				$commands += " -t ";
			$commands += " \"" + $meshFileName + "\"" + " \"" + $binMeshFileName + "\"" + "\n";
			//$commands += "pause \n";					
		}
		
		//entities with transforms
		string $transforms[] = `listRelatives -ap $shapes[$index]`;
		for($i = 0; $i<size($transforms);$i++)
		{
			$entityName = $transforms[$i];
			    
			select $entityName;
			float $transformation[] = `getAttr .worldMatrix`;
			string $transformationString = "";
				
			for($start = 0; $start < 4 ; $start++)
			   for($t = 0; $t < 4 ; $t++)
			     $transformationString += ($transformation[$start + $t * 4] + " ");
		    				    
			fprint $fileId("entity "+ $entityName + "\n{\n" );
	    	fprint $fileId("\tmesh "+ $shapename + "\n");
	    	fprint $fileId("\ttransformation "+ $transformationString + "\n");
	    	if($exportPM)
	        {
		      $PRMClus = 32;
		      if(attributeExists("PathMapClusters", $shapes[$index]))
		         $PRMClus = `getAttr .prmClus`;
		      fprint $fileId("\tpathmapclusters " + $PRMClus + "\n");
		      string $PMTexturePath = (`textField -query -text PMPath`);
	          if (!endsWith($PMTexturePath,"\\") && !endsWith($PMTexturePath,"/") && (size($PMTexturePath)>0))
		        $PMTexturePath += "/";
		      fprint $fileId("\tpathmapfile " + toNativePath($PMTexturePath) + $entityName + "\n");
	        }
	        fprint $fileId "}\n\n";
		}
	}

        if (`checkBox -query -value CreateBinary`)
        {
	  fprint $comandFileID $commands;
          fclose $comandFileID;
          system("\"" + `toNativePath $commandFile` + "\"");	  
        }

	//material export
	int $exportMaterials = `checkBox -query -value ExportMaterials`;
	if($exportMaterials)
	{
		string $materialFile = (`textField -query -text MaterialFilename`);
		string $materialFileName = encodeString(toNativePath($outputDir + $materialFile));
	    $options = "-all";		
		$options += " -mat \"" + $materialFileName + "\"";
		string $matPrefix = `textField -query -text MaterialPrefix`;
		if ($matPrefix != "")
		{
			$options += " -matPrefix \"" + $matPrefix + "\"";
		}
		eval ("ogreExport" + $options);
	}
	    
	fclose $fileId;	
}

// ===== Launch exporter UI
global proc GTPSceneExporter()
{
	defineGTPExportUIView();	
}

global proc formatGTPExportUI()
{
	int $exportMaterials = `checkBox -q -v ExportMaterials`;
	text -edit -enable $exportMaterials MaterialFilenameLabel;
	textField -edit -enable $exportMaterials MaterialFilename;
	text -edit -enable $exportMaterials MaterialPrefixLabel;
	textField -edit -enable $exportMaterials MaterialPrefix;
	
	int $exportMeshes = `checkBox -q -v ExportMeshes`;
	checkBox -edit -enable $exportMeshes CreateBinary;
	checkBox -edit -enable $exportMeshes BuildEdgeList;
	checkBox -edit -enable $exportMeshes BuildTangents;
	if (!$exportMeshes)
		checkBox -edit -value false CreateBinary;
	
	int $createBinary = `checkBox -q -v CreateBinary`;
	checkBox -edit -enable $createBinary BuildEdgeList;
	checkBox -edit -enable $createBinary BuildTangents;
	text -edit -enable $createBinary OgrePathLabel;
	textField -edit -enable $createBinary OgrePath;
	
	int $exportPM = `checkBox -q -v ExportPMAttr`;
	text -edit -enable $exportPM PMPathLabel;
	textField -edit -enable $exportPM PMPath;	
}

global proc defineGTPExportUIView()
{
	string $sceneFile    = `file -query -sceneName`;
	string $mayaFile     = basename($sceneFile, "." + fileExtension($sceneFile));
	if($mayaFile == "")
	$mayaFile = "untitled";
	
	// --- Main window for Ogre exporter
	if (`window -exists GTPSceneExportWindow`)
	{
	deleteUI GTPSceneExportWindow;
	}
	window 
	    -title "GTP Scene Exporter"
        -widthHeight 305 300
		GTPSceneExportWindow;
	
	scrollLayout 
	GTPSceneExportScrollLayout;
	columnLayout
	GTPSceneExportMainLayout;
	frameLayout
		-parent GTPSceneExportMainLayout 
		-label "General" 
		-collapsable true
		GeneralControls;
		columnLayout
			GTPGeneralControlsLayout;
		text  
			-parent GTPGeneralControlsLayout   
			-label "Output Directory"
			OutputDirectoryLabel;
		textField
			-parent GTPGeneralControlsLayout 
			-width 305
			OutputDirectory;
		text  
			-parent GTPGeneralControlsLayout   
			-label "Scene File Name"
			SceneFileNameLabel;
		textField
			-parent GTPGeneralControlsLayout 
			-width 305
			-text ($mayaFile + ".level")
			SceneFileName;
			
	frameLayout
		-parent GTPSceneExportMainLayout 
		-label "Materials" 
		-collapsable true
		MaterialControls;
		columnLayout
			MaterialControlsLayout;
		checkBox
			-parent MaterialControlsLayout
			-value false 
			-changeCommand "formatGTPExportUI"
			-label "Export Materials"
			ExportMaterials;
		text
			-parent MaterialControlsLayout
			-label "Material File Name"
			-enable false
			MaterialFilenameLabel;
		textField
			-parent MaterialControlsLayout
			-width 305
			-enable false
			-text ($mayaFile + ".material")
			MaterialFilename;	
		text
			-parent MaterialControlsLayout
			-label "Material name prefix"
			-enable false
			MaterialPrefixLabel;
		textField
			-parent MaterialControlsLayout
			-width 305
			-enable false
			-text $mayaFile
			MaterialPrefix;	
			
	frameLayout
		-parent GTPSceneExportMainLayout 
		-label "Meshes" 
		-collapsable true
		-width 309		
		MeshControls;
		columnLayout
			MeshControlsLayout;
		checkBox
			-parent MeshControlsLayout
			-value true 
			-changeCommand "formatGTPExportUI"
			-label "Export Meshes"
			ExportMeshes;
		checkBox
			-parent MeshControlsLayout
			-value true 
			-changeCommand "formatGTPExportUI"
			-label "Create Binary Mesh Files"
			CreateBinary;
		checkBox
			-parent MeshControlsLayout
			-value false 
			-changeCommand "formatGTPExportUI"
			-label "Build Edge List"
			BuildEdgeList;
		checkBox
			-parent MeshControlsLayout
			-value false 
			-changeCommand "formatGTPExportUI"
			-label "Build Tangent Vectors"
			BuildTangents;
		text
			-parent MeshControlsLayout
			-label "Ogre Dir(where dlls and OgreXMLConverter.exe are located)"
			-enable true
			OgrePathLabel;
		textField
			-parent MeshControlsLayout
			-width 305
			-enable true
			-text "%OGRE_PATH%/Samples/Common/bin/Release"
			OgrePath;
	
	frameLayout
		-parent GTPSceneExportMainLayout 
		-label "Path Map Options" 
		-collapsable true
		-width 309		
		PathMapControls;
		columnLayout
			PathMapControlsLayout;
		checkBox
			-parent PathMapControlsLayout
			-value false 
			-changeCommand "formatGTPExportUI"
			-label "Export Path Map Attributes"
			ExportPMAttr;
		text
			-parent PathMapControlsLayout
			-label "Path Map Texture Directory"
			-enable false
			PMPathLabel;
		textField
			-parent PathMapControlsLayout
			-width 305
			-enable false
			-text "prm"
			PMPath;
	
	button
		-parent GTPSceneExportMainLayout 
		-label "EXPORT" 
		-command "runGTPSceneExport"
		-width 305
		ButtonExport;
	
	showWindow GTPSceneExportWindow;
}

global proc GTPAddPathMapAttr()
{
  string $selected[] = `selectedNodes`;
  for($i = 0; $i < size($selected); $i++ )
  {
    select $selected[$i];
    $isGeometry = `objectType -isType mesh $selected[$i]`;
    if($isGeometry)
    {
      if(!attributeExists("PhotonMapResolution", $selected[$i]))
       addAttr -at short -ln PhotonMapResolution -sn prmRes -min 16 -max 1024 -dv 64;
      if(!attributeExists("PhotonMapSubdivision", $selected[$i]))
       addAttr -at short -ln PhotonMapSubdivision -sn prmDiv -min 1 -dv 1;
       
      string $transforms[] = `listRelatives -ap $selected[$i]`;
	  for($j = 0; $j<size($transforms);$j++)
	  {
		  select $transforms[$j];
		  if(!attributeExists("PathMapClusters", $transforms[$j]))
           addAttr -at short -ln PathMapClusters -sn prmRes -min 1 -max 64 -dv 32;
	  }
    }
    else
    {
     select $selected[$i];
     $isTransform = `objectType -isType transform $selected[$i]`;
     if($isTransform)
     {
      string $relatives[] = `listRelatives $selected[$i]`;
      int $numRelatives = size($relatives);
      for($j=0;$j<$numRelatives;$j++)
      {
        $isGeometry = `objectType -isType mesh $relatives[$j]`;
		if($isGeometry)
		{	  
	      select $relatives[$j];
          if(!attributeExists("PhotonMapResolution", $relatives[$j]))
           addAttr -at short -ln PhotonMapResolution -sn prmRes -min 16 -max 1024 -dv 64;
          if(!attributeExists("PhotonMapSubdivision", $relatives[$j]))
           addAttr -at short -ln PhotonMapSubdivision -sn prmDiv -min 1 -dv 1;

	  	  select $selected[$i];
          if(!attributeExists("PathMapClusters", $selected[$i]))
           addAttr -at short -ln PathMapClusters -sn prmClus -min 1 -max 64 -dv 32;
        }
      }
     }
    }
  }
}

namespace -set ":";