<?php
//////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////
////		sprite_builder.php                 Sebastian Souto                    ////
//////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////


//////////////////////////////////////////////////////////////////////////////////////
// First load all the equipment indexes
//////////////////////////////////////////////////////////////////////////////////////

$ArmourID 	= $_GET['armourID'];
$BootID 	= $_GET['bootID'];
$CloakID 	= $_GET['cloakID'];
$WeaponID	= $_GET['weaponID'];
$ShieldID	= $_GET['shieldID'];
$HelmID		= $_GET['helmID'];

$master_layers = array();
$master_layers_imgs = array();

//////////////////////////////////////////////////////////////////////////////////////
//   Initialize the paths to all the image layers we'll be using.
//////////////////////////////////////////////////////////////////////////////////////

$master_layers[0]	=	'images/sprites/npcsprite.png';
$master_layers[1]	=	'images/sprites/armor'.$ArmourID.'.png';
$master_layers[2]	=	'images/sprites/bootstrip.png';
$master_layers[3]	=	'images/sprites/cloakstrip.png';
$master_layers[4]	=	'images/sprites/weaponstrip.png';
$master_layers[5]	=	'images/sprites/shieldstrip.png';
$master_layers[6]	=	'images/sprites/helmsstrip.png';


//////////////////////////////////////////////////////////////////////////////////////
//  Loop through all the layers  ....
//////////////////////////////////////////////////////////////////////////////////////

	$numlayers = count($master_layers);

//////////////////////////////////////////////////////////////////////////////////////
//       .....  loading the individual image layers, setting them to true-
//				color mode and assigning  color (R 255, G 0, B 255) as  
//				transparent.
//////////////////////////////////////////////////////////////////////////////////////
for($i=0;$i<$numlayers;$i++)
{
	$master_layers_imgs[$i]	=	imagecreatefrompng($master_layers[$i]);
	imagepalettetotruecolor($master_layers_imgs[$i]);
	$seethru=imagecolorallocate($master_layers_imgs[$i], 255,0,255);
	imagecolortransparent($master_layers_imgs[$i],$seethru);
}

//////////////////////////////////////////////////////////////////////////////////////
// 		Next, create an image to hold the assembled sprite.
//////////////////////////////////////////////////////////////////////////////////////
$endresult=imagecreate(32,640);
//imagepalettetotruecolor($endresult);
$endresult_seethru=imagecolorallocate($endresult, 255,0,255);
imagecolortransparent($endresult,$endresult_seethru);


//////////////////////////////////////////////////////////////////////////////////////
// 		Overlay each layer in the proper order ...
// 		one by one ... until.
//////////////////////////////////////////////////////////////////////////////////////
imagecopymerge($endresult, $master_layers_imgs[0], 0, 0, 0, 0, 32, 640,100);
imagecopymerge($endresult, $master_layers_imgs[2], 0, 0, 0, $BootID*512, 32, 640,100);
imagecopymerge($endresult, $master_layers_imgs[1], 0, 0, 0, 0, 32, 640,100);
imagecopymerge($endresult, $master_layers_imgs[3], 0, 0, 0, $CloakID*512, 32, 640,100);
imagecopymerge($endresult, $master_layers_imgs[4], 0, 0, 0, $WeaponID*512, 32, 640,100);
imagecopymerge($endresult, $master_layers_imgs[5], 0, 0, 0, $ShieldID*512, 32, 640,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, -1, 0, $HelmID*256, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 31, 0, ($HelmID*256)+16, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 63, 0, ($HelmID*256)+32, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 95, 0, ($HelmID*256)+48, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 127, 0, ($HelmID*256)+64, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 159, 0, ($HelmID*256)+80, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 191, 0, ($HelmID*256)+96, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 223, 0, ($HelmID*256)+112, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 255, 0, ($HelmID*256)+128, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 287, 0, ($HelmID*256)+144, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 319, 0, ($HelmID*256)+160, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 351, 0, ($HelmID*256)+176, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 383, 0, ($HelmID*256)+192, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 415, 0, ($HelmID*256)+208, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 447, 0, ($HelmID*256)+224, 16, 16,100);
imagecopymerge($endresult, $master_layers_imgs[6], 0, 479, 0, ($HelmID*256)+240, 16, 16,100);
//////////////////////////////////////////////////////////////////////////////////////
	// Finally  
	//			...
	//				  The end result is complete.
	//
	/////////////////////////////////////////////////////////////////
	//
	// 
	// Set content-type to png............................ and     
	//
	//
			header('Content-Type: image/png');
			imagepng($endresult);
	//
	//////////////////////////////////////////////////////////////////
	//
    //	Finally destroy all the master layer images,
    //  and don't forget to also destroy the end result.

			for($i=$numlayers-1;$i>=0;$i--)
				imagedestroy($master_layers_imgs[$i]);
			imagedestroy($endresult);

	//
	//////////////////////////////////////////////////////////////////
	//	DONE!
	//////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////

?>