| SilverDragonTears |
04-14-2012 10:38 AM |
I'm not sure... just now trying it out.
class_item.php
Code:
<?php
class Item{
public $id;
public $category;
public $itemname;
public $description;
public $imageurl;
public $function;
public $target;
public $shop;
public $price;
public $chance;
public $cap;
public $tradable;
public $consumable;
public function __construct($itemname){
// Fetch the database info into object property
$row = $GLOBALS['adopts']->select("items", array(), "itemname ='{$itemname}'")->fetchObject();
// loop through the anonymous object created to assign properties
foreach($row as $key => $val){
$this->$key = $val;
}
}
public function getcategory(){
// This method checks if the item category exists in items database or not
$stmt = $GLOBALS['adopts']->select("items", array(), "category ='{$this->category}'");
$cate_exist = ($row = $stmt->fetchObject())?TRUE:FALSE;
return $cate_exist;
}
public function getitem(){
// This method checks if the item exists in items database or not
$stmt = $GLOBALS['adopts']->select("items", array(), "itemname ='{$this->itemname}'");
$item_exist = ($row = $stmt->fetchObject())?TRUE:FALSE;
return $item_exist;
}
public static function getitemimage($imageurl){
// This method returns the item image in standard html form
$imageurl = (strpos($imageurl, "http://") !== false)?$imageurl:"http://{$imageurl}";
$image = "<img src='{$imageurl}'>";
return $image;
}
public function checktarget($aid){
// This method checks if the item is usable
$id = converttypetoparentid(convertidtotype($aid));
$item_usable = FALSE;
switch($this->target){
case "all":
$item_usable = TRUE;
break;
case "user":
$item_usable = TRUE;
break;
default:
$target = explode(",",$this->target);
if(in_array($id, $target)) $item_usable = TRUE;
}
return $item_usable;
}
public function randomchance(){
// This method returns the item image in standard html form
switch($this->chance){
case 100:
$item_usable = TRUE;
break;
default:
$temp = mt_rand(0,99);
$item_usable = ($temp < $this->chance)?TRUE:FALSE;
}
return $item_usable;
}
}
class Private_Item extends Item{
public $iid;
public $owner;
public $quantity;
public $status;
public function __construct($itemname, $itemowner, $itemquantity = ""){
// First of all, let's assign values to parent properties
parent::__construct($itemname);
// Good, now it is time to assign child properties. First let's use $itemquantity to check if it is a new item or an item in inventory
if(empty($itemquantity)){
// the item is an owned item in user inventory, so retrieve database info to assign properties
$row = $GLOBALS['adopts']->select("inventory", array(), "itemname ='{$itemname}' and owner = '{$itemowner}'")->fetchObject();
// loop through the anonymous object created to assign properties
foreach($row as $key => $val){
$this->$key = $val;
}
}
else{
// the item is a new item to be added or used, and does not belong to anyone at this very moment.
$this->owner = (!empty($itemowner))?$itemowner:"SYSTEM";
$this->quantity = $itemquantity;
$this->status = "Available";
}
// the private item object is successfully created with appropriate properties assigned.
}
public function getitem(){
// This method checks if the item exists in inventory or not, not to be confused with parent class' getitem() class.
$stmt = $GLOBALS['adopts']->select("inventory", array(), "itemname ='{$this->itemname}' and owner ='{$this->owner}'");
return $stmt->fetchObject();
}
public function getitemcost($salestax = 0){
// This method returns the cost of items.
$cost = $this->price*$this->quantity*(1 + $salestax/100);
return $cost;
}
public static function getoldquantity($itemname, $owner = ""){
// This method returns the quantity of items the owner already has, do not call unless both old and new quantities need to be used in script
$owner = (!empty($owner))?$owner:$GLOBALS['loggedinname'];
$stmt = $GLOBALS['adopts']->select("inventory", array("quantity"), "itemname ='{$itemname}' and owner ='{$owner}'");
$oldquantity = $stmt->fetchColumn();
return $oldquantity;
}
public static function showinventory($owner){
// This method returns a list of items the user owned
$stmt = $GLOBALS['adopts']->join("items", "items.itemname = inventory.itemname")
->select("inventory", array(), constant("PREFIX")."inventory.owner = '{$owner}' ORDER BY ".constant("PREFIX")."inventory.iid");
$table = new Table("Inventory", array("Image", "Category", "Name", "Description", "Quantity", "Use", "Sell", "Toss"));
$content = $table->getheader();
while($row = $stmt->fetchObject()){
// First we need to retrieve item properties.
$use = ($row->consumable == "yes")?"<form name='use' method='post' action='inventory.php?act=useitem'>
<p><input name='act' type='hidden' id='act' value='{$row->itemname}'>
<input name='itemname' type='hidden' id='itemname' value='{$row->itemname}'></p>
<p><input type='submit' name='use' value='Use'></p></form>":"N/A";
$sell = ($row->category == "Key Items")?"N/A":"<form name='sell' method='post' action='inventory.php?act=sellitem'>
<input name='itemname' type='hidden' id='itemname' value='{$row->itemname}'>
<input name='quantity' type='text' id='quantity' size='3' maxlength='3' />
<p><input type='submit' name='Submit' value='Sell'></p></form>";
$toss = ($row->category == "Key Items")?"N/A":"<form name='toss' method='post' action='inventory.php?act=tossitem'>
<p><input name='act' type='hidden' id='act' value='{$row->itemname}'>
<input name='itemname' type='hidden' id='itemname' value='{$row->itemname}'></p>
<p><input type='submit' name='toss' value='Toss'></p></form>";
$content .= $table->buildtable(array(Item::getitemimage($row->imageurl), $row->category, $row->itemname, $row->description, $row->quantity, $use, $sell, $toss), "center")->showtable();
}
$content .= $table->endtable();
return $content;
}
public function additem($quantity= 1, $owner = ""){
// This method adds items to users inventory
$this->owner = (!empty($owner))?$owner:$this->owner;
$oldquantity = Private_Item::getoldquantity($this->itemname, $owner);
if($oldquantity > 0){
// the item already exists, update the row for user's inventory
$newquantity = $oldquantity + $quantity;
$GLOBALS['adopts']->update("inventory", array("quantity" => $newquantity), "itemname ='{$this->itemname}' and owner='{$this->owner}'");
}
else{
// the item does not exist yet, insert a new row into user's inventory
$GLOBALS['adopts']->insert("inventory", array("iid" => NULL, "category" => $this->category, "itemname" => $this->itemname, "owner" => $this->owner, "quantity" => $quantity, "status" => 'Available'));
}
$state = "success";
return $state;
}
public function removeitem($quantity = 1, $owner = ""){
// This method removes items from users inventory
$this->owner = (!empty($owner))?$owner:$this->owner;
$oldquantity = Private_Item::getoldquantity($this->itemname, $owner);
$newquantity = $oldquantity - $quantity;
if(empty($oldquantity) or $newquantity < 0) return FALSE;
else{
switch($newquantity){
case 0:
$GLOBALS['adopts']->delete("inventory", "itemname='{$this->itemname}' and owner='{$this->owner}'");
break;
default:
$GLOBALS['adopts']->update("inventory", array("quantity" => $newquantity), "itemname ='{$this->itemname}' and owner='{$this->owner}'");
}
return TRUE;
}
}
public function sellitem($quantity = 1, $owner = ""){
// This method sells items from users inventory
$this->owner = (!empty($owner))?$owner:$this->owner;
$earn = $this->price*$quantity;
$newamount = $GLOBALS['money'] + $earn;
if($this->removeitem($quantity, $this->owner)){
$GLOBALS['adopts']->update("users", array("money" => $newamount), "username = '{$this->owner}'");
return TRUE;
}
else return FALSE;
}
public function choosetarget(){
// This method chooses the adoptable or user to use the item on
$content = "Now you need to choose an adoptable to use item {$this->itemname}:
<form name='use' method='post' action='inventory.php?act=useitem&more=process'>
<input name='act' type='hidden' id='act' value='useitem'>
<p><select name='aid'>";
$stmt = $GLOBALS['adopts']->select("owned_adoptables", array(), "owner ='{$this->owner}'");
while($row = $stmt->fetchObject()){
$content .= "<option value='{$row->aid}'>{$row->name} (the {$row->type})</option>";
}
$content .= "</select><input name='itemname' type='hidden' id='itemname' value='{$this->itemname}'>
<p><input name='validation' type='hidden' id='validation' value='valid'>
<input type='submit' name='submit' value='Use'></p>
</form>";
return $content;
}
}
?>
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