1 files changed, 167 insertions, 34 deletions

diff --git a/includes/datas.php b/includes/datas.php
index 170f74e..676e68b 100644
--- a/includes/datas.php
+++ b/includes/datas.php
@@ -289,41 +289,173 @@ function applyCareerMazesAchievements($userID) {
 	return true;
 }
 
-//Challenges including the Tutorial.
-function applyChallengeAchievements($userID, $challengeID, $mapID, $solution, $moves) {
-	if ($challengeID == '1') {
-		//echo 'challengeID'.$mapID;
-		//echo 'moves'.$moves;
-		if ($moves == 75 AND $mapID == 5) {
-			//echo 'true story';
-			// -------- Completed the tutorial!
-			
-			//have they already completed he tutorial?
-			$sql = "SELECT `level`
-			FROM `achievements`
-			WHERE `userID` = '$userID'
-			AND `type` = 32
-			ORDER BY `level` DESC
-			LIMIT 1";
-			$result = mysql_query($sql);
-			if (mysql_num_rows($result) == 1)
+/**
+ * Called when a user completes a challenge
+ * @param type $userID User who did the challenge
+ * @param type $mapID Map to check for challenges
+ * @param type $solution The final placement of towers, as a string of .-separated x,y pairs.
+ *                       Begins and ends with "." as well
+ * @param type $moves The total number of moves in the solution, for all paths
+ * @param type $paths An array of path-objects, each as returned by routePath().
+ */
+function checkForCompletedChallenges($userID, $mapID, $solution, $moves, $paths) {
+	//mapID 5 is the tutorial, and is treated specially
+	if($mapID == 5) {
+		if ($moves == 75) {
+			onCompletedTutorial($userID);
+		}
+		return;
+	}
+	
+	$challengeResultset = loadChallengesForMap($mapID, $userID);
+	while($challenge = mysql_fetch_array($challengeResultset))
+	{
+		//Skip checking challenges which have already been completed
+		if($challenge["dateCompleted"] !== NULL)
+			continue;
+		else if(hasChallengeBeenCompleted($challenge, $solution, $moves, $paths))
+			setChallengeCompleted($challenge, $solution, $userID, $moves);
+	}
+}
+
+/**
+ * Called when a user completes the tutorial
+ */
+function onCompletedTutorial($userID) {
+	//have they previously completed the tutorial?
+	if(hasCompletedTutorial($userID))
+		return false;
+	
+	// -------- This is the first time they've completed the tutorial!
+	$sql = "INSERT INTO `achievements`
+	(`userID`, `type`, `level`)
+	VALUES ('$userID', 32, '1')";
+	mysql_query($sql);
+	$aID = mysql_insert_id();
+
+	// ------- User gets unlock.  (unlocks plural is possible here)
+	$sql = "INSERT INTO `unlocks`
+	(`userID`, `achievementID`, `type`, `subtype`, `name`, `value`)
+	VALUES ('$userID', '$aID', '1', 0, 'Blue', '#4444ff')";
+	mysql_query($sql);
+	
+	return true;
+}
+
+/**
+ * Checks if the given solution meets the requirements for the given challenge
+ */
+function hasChallengeBeenCompleted($challenge, $solution, $moves, $paths) {
+	//Check the maze-length
+	if($challenge['goal'] != 0) {
+		//Er, "greater than" should really be called "greater than or equal to" :\
+		if(($challenge['inequality'] == "greater than" && $moves < $challenge['goal'])
+		  || ($challenge['inequality'] == "less than" && $moves >= $challenge['goal'])
+		  || ($challenge['inequality'] == "equal" && $moves != $challenge['goal']))
+		{
+			return false;
+		}
+	}
+	
+	//Check wall-count restriction
+	if($challenge['restrictWallCount'] !== NULL)
+	{
+		//The number of walls is equal to the number of "," characters in the $solution string
+		$temp = count_chars($solution, 1); //$temp needed due to extreme PHP-stupidity
+		$numWalls = $temp[ord(",")];
+		if($numWalls > $challenge['restrictWallCount']) {
+			return false;
+		}
+	}
+	
+	//Check wall-placement restriction
+	if($challenge['restrictWallPlacement'] !== NULL)
+	{
+		$invalidWalls = explode(".", $challenge['restrictWallPlacement']);
+		foreach($invalidWalls as $invalidWall)
+		{
+			if(strpos($solution,$invalidWall) !== false)
+			{
 				return false;
-				
-			// -------- This is the first time they've completed the tutorial!
-			$sql = "INSERT INTO `achievements`
-			(`userID`, `type`, `level`)
-			VALUES ('$userID', 32, '1')";
-			mysql_query($sql);
-			$aID = mysql_insert_id();
-			
-			// ------- User gets unlock.  (unlocks plural is possible here)
-			$sql = "INSERT INTO `unlocks`
-			(`userID`, `achievementID`, `type`, `subtype`, `name`, `value`)
-			VALUES ('$userID', '$aID', '1', 0, 'Blue', '#4444ff')";
-			mysql_query($sql);
-			return true;
+			}
+		}
+	}
+	
+	//TODO: This portion probably needs to be rewritten due to the weird way paths are saved
+	if($challenge['restrictTeleportCount'] !== NULL || $challenge['restrictTeleportsUsed'] !== NULL)
+	{
+		//Check teleport count
+		$usedTeleports = explode(".", getUsedTeleports($paths));
+		if($challenge['restrictTeleportCount'] !== NULL)
+		{
+		   if(count($usedTeleports) !== $challenge['restrictTeleportCount'] &&
+				   ($challenge['restrictTeleportCount'] != 0 || $usedTeleports[0] != ""))
+			{
+				return false;
+			}
+		}
+		
+		//Check teleports used
+		if($challenge['restrictTeleportsUsed'] !== NULL)
+		{
+			foreach($usedTeleports as $usedTeleport)
+			{
+				foreach($paths as $path)
+				{
+					//Check each path to see if it walks over that teleport
+					if(strpos($path['path'], $usedTeleport) !== false)
+					{
+						return false;
+					}
+				}
+			}
 		}
 	}
+	
+	//Check start points
+	if($challenge['restrictStartPoint'] !== NULL)
+	{
+		$usesCorrectStartPoint = false;
+		foreach($paths as $path)
+		{
+			if($path['start'] == $challenge['restrictStartPoint'])
+				$usesCorrectStartPoint = true;
+		}
+		
+		if(!$usesCorrectStartPoint)
+			return false;
+	}
+	
+	//Check end points
+	if($challenge['restrictEndPoint'] !== NULL)
+	{
+		$usesCorrectEndPoint = false;
+		foreach($paths as $path)
+		{
+			if($path['end'] == $challenge['restrictEndPoint'])
+				$usesCorrectEndPoint = true;
+		}
+		
+		if(!$usesCorrectEndPoint)
+			return false;
+	}
+	
+	//All of the restrictions were met, meaning the challenge was completed!
+	return true;
+}
+
+/**
+ * Sets the given challenge as completed by the user in the database
+ */
+function setChallengeCompleted($challenge, $solution, $userID, $moves) {
+	$solution = mysql_escape_string($solution);
+	$userID = mysql_escape_string($userID);
+	$challengeID = $challenge["challengeID"];
+	
+	$sql = "INSERT INTO `challengeSolutions`
+	(`userID`, `challengeID`, `solution`, `moves`, `dateSolved`)
+	VALUES ('$userID', '$challengeID', '$solution', $moves, NOW())";
+	mysql_query($sql);
 }
 
 function applyAchievements($userID, $aType) {
@@ -727,8 +859,9 @@ function getScores($mapid, $pageNumber = 1, $pageDivide = 10) {
  * Returns true if the given user has completed the tutorial, false otherwise
  */
 function hasCompletedTutorial($userID) {
-	$sql = "SELECT * FROM `achievements` 
-	WHERE `type` = 32 AND `userID` = '$userID'";
+	$sql = "SELECT `level` FROM `achievements` 
+	WHERE `type` = 32 AND `userID` = '$userID'
+	LIMIT 1";
 	$result = mysql_query($sql);
 	return (mysql_num_rows($result) >= 1);
 }