/*
NAME: dbCreateNurbsBox.mel
VERSION: 1.0
CATEGORY: Modeling
FUNCTION: This is a simple script to create a NURBS cube.
USAGE: 1. Copy the dbCreateNurbsBox.mel into your Maya Scripts directory (Usually found in "My Documents\maya\<version>\scripts\"). 
2. In the Maya Script Editor, type in "source dbCreateNurbsBox.mel; dbCreateNurbsBox(<size>, <0|1>);" 
3. Change <size> to the size of the box you want and change <0|1> to 1 in order to create a control to change the size of the box, otherwise put in 0.
AUTHOR: David Bokser
E-MAIL: me@davidbokser.com
WEBSITE: www.davidbokser.com
*/

global proc string dbCreateNurbsBox(float $size, int $sizeCtrl){
	$size = $size/2;
	string $nurbsBox = `curve -d 1 
		-p ($size * -1) $size ($size * -1) 		//0
		-p ($size * -1) ($size * -1) ($size * -1) 	//1
		-p ($size * -1) ($size * -1) $size 		//2
		-p ($size * -1) $size $size 				//3
		-p ($size * -1) $size ($size * -1) 		//4
		-p $size $size ($size * -1) 				//5
		-p $size $size $size 					//6
		-p $size ($size * -1) $size 				//7
		-p $size ($size * -1) ($size * -1) 		//8
		-p $size $size ($size * -1) 				//9
		-p ($size * -1) $size ($size * -1) 		//10
		-p ($size * -1) ($size * -1) ($size * -1) 	//11
		-p $size ($size * -1) ($size * -1) 		//12
		-p $size ($size * -1) $size 				//13
		-p $size $size $size 					//14
		-p ($size * -1) $size $size 				//15
		-p ($size * -1) ($size * -1) $size 		//16
		-p $size ($size * -1) $size 				//17
		-k 0 -k 1 -k 2 -k 3 -k 4 -k 5 -k 6 -k 7 -k 8 -k 9 -k 10 -k 11 -k 12 -k 13 -k 14 -k 15 -k 16 -k 17` ;
	$nurbsBox = `rename $nurbsBox nurbsBox1`;
	
	if($sizeCtrl) {
		string $shape[] = `listRelatives -shapes $nurbsBox`;
		addAttr -ln size -at double $shape[0];
		setAttr -e -keyable true ($shape[0] + ".size");

		setAttr ($shape[0] + ".size") ($size * 2);

		string $halfNode = `shadingNode -asUtility multiplyDivide`;
		setAttr ($halfNode + ".input2X") 0.5;

		string $negativeNode = `shadingNode -asUtility multiplyDivide`;
		setAttr ($negativeNode + ".input2X") -1;

		connectAttr -f ($shape[0] + ".size") ($halfNode + ".input1X");
		connectAttr -f ($halfNode + ".outputX") ($negativeNode + ".input1X");
	
	// CONNECTING THE SIZE ATTRIBUTE TO THE POINT POSITIONS
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[0].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[0].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[0].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[1].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[1].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[1].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[2].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[2].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[2].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[3].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[3].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[3].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[4].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[4].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[4].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[5].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[5].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[5].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[6].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[6].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[6].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[7].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[7].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[7].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[8].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[8].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[8].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[9].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[9].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[9].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[10].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[10].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[10].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[11].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[11].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[11].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[12].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[12].yValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[12].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[13].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[13].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[13].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[14].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[14].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[14].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[15].xValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[15].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[15].zValue");

		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[16].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[16].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[16].zValue");

		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[17].xValue");
		connectAttr -f ($negativeNode + ".outputX") ($shape[0] + ".controlPoints[17].yValue");
		connectAttr -f ($halfNode + ".outputX") ($shape[0] + ".controlPoints[17].zValue");
	}
	
	return $nurbsBox;
}