rule['from'] ) {
										break;
									}
								}

								if ( $b ) {
									$f = $b * $rule['from'];
									$a = $q - $f - $remaining;
								} else {
									$f = $rule['from'];
									$a = 0;
								}
							}
							break;
						case 'variation':
							if ( $q > $cart_item['quantity'] ) {
								//The quantity of the variation in the cart is greater than this line item quantity.  More than one variation is in the cart 
								//for this product.  Handle the same as if the product is in the cart more than once. 
								$b = floor( $q / ( $rule['from'] + $rule['adjust'] ) );
								$a = $b * $rule['adjust'];
								$f = $b * $rule['from'];

								if ( isset( $this->used_rules[ $rule_set_id ] ) ) {
									$a = $a - $this->used_rules[ $rule_set_id ];
								}
							} else {

								//How many blocks are available.  
								$b = floor( $q / ( $rule['from'] + $rule['adjust'] ) );
								$a = $b * $rule['adjust'];
								$f = $b * $rule['from'];
							}
							break;
					}
					$rq = $f; //required quantity equals the amount of fixed price items we need to have.
				} else {

					switch ( $collector['type'] ) {
						case 'cart_item':
							$f  = $rule['from'];
							$a  = max( 0, min( $rule['adjust'], $cart_item['quantity'] - $f ) );
							$rq = $f + min( $a, $cart_item['quantity'] - $f );
							break;
						case 'cat':
							$f = $rule['from'];
							$a = $rule['adjust'];

							if ( isset( $this->used_rules[ $rule_set_id ] ) ) {
								$a = $a - $this->used_rules[ $rule_set_id ];
							}

							$terms = $this->get_product_category_ids( $cart_item['data'] );
							if ( count( array_intersect( $collector['args']['cats'], $terms ) ) > 0 ) {
								$rq = $f + $a;
							} else {
								$rq = $f;
							}

							break;
						case 'product':

							$f = $rule['from'];
							$a = min( $rule['adjust'], max( 0, $q - $f ) );

							if ( isset( $this->used_rules[ $rule_set_id ] ) ) {
								$a = $a - $this->used_rules[ $rule_set_id ];
							}

							$rq = $f + $a; //required quantity is the amount of fixed price items + the amount that will be adjusted.
							break;
						case 'variation':
							$f = $rule['from'];
							$a = min( $rule['adjust'], max( 0, $q - $f ) );

							if ( isset( $this->used_rules[ $rule_set_id ] ) ) {
								$a = $a - $this->used_rules[ $rule_set_id ];
							}

							$rq = $f + $a; //required quantity is the amount of fixed price items + the amount that will be adjusted.
							break;
					}
				}

				if ( $a > $cart_item['quantity'] ) {
					$a = $cart_item['quantity'];
				}

				if ( $q >= $rq ) {

					$amount       = apply_filters( 'woocommerce_dynamic_pricing_get_rule_amount', $rule['amount'], $rule, $cart_item, $this );
					$num_decimals = apply_filters( 'woocommerce_dynamic_pricing_get_decimals', (int) get_option( 'woocommerce_price_num_decimals' ) );

					switch ( $rule['type'] ) {
						case 'fixed_adjustment':
							$adjusted            = floatval( $price ) - floatval( $amount );
							$adjusted            = $adjusted >= 0 ? $adjusted : 0;
							$line_total          = 0;
							$full_price_quantity = $cart_item['quantity'] - $a;
							$discount_quantity   = $a;
							$line_total          = ( $discount_quantity * $adjusted ) + ( $full_price_quantity * $price );
							$result              = $line_total / $cart_item['quantity'];
							$result              = $result >= 0 ? $result : 0;

							$this->used_rules[ $rule_set_id ] = isset( $this->used_rules[ $rule_set_id ] ) ? $this->used_rules[ $rule_set_id ] + $a : $a;

							break;
						case 'percent_adjustment':
							$amount = $amount / 100;

							$adjusted   = round( floatval( $price ) - ( floatval( $amount ) * $price ), (int) $num_decimals );
							$line_total = 0;

							$full_price_quantity = $cart_item['quantity'] - $a;
							$discount_quantity   = $a;

							$line_total = ( $discount_quantity * $adjusted ) + ( $full_price_quantity * $price );
							$result     = $line_total / $cart_item['quantity'];

							$this->used_rules[ $rule_set_id ] = isset( $this->used_rules[ $rule_set_id ] ) ? $this->used_rules[ $rule_set_id ] + $a : $a;

							break;
						case 'fixed_price':
							$adjusted            = round( $amount, (int) $num_decimals );
							$line_total          = 0;
							$full_price_quantity = $cart_item['quantity'] - $a;
							$discount_quantity   = $a;
							$line_total          = ( $discount_quantity * $adjusted ) + ( $full_price_quantity * $price );
							$result              = $line_total / $cart_item['quantity'];
							$result              = $result >= 0 ? $result : 0;

							$this->used_rules[ $rule_set_id ] = isset( $this->used_rules[ $rule_set_id ] ) ? $this->used_rules[ $rule_set_id ] + $a : $a;

							break;
						default:
							$result = false;
							break;
					}
				}
			}
		}

		return $result;
	}

	protected function get_quantity_to_compare( $cart_item, $collector, $set = null ) {
		global $woocommerce_pricing, $woocommerce;
		$quantity = 0;

		switch ( $collector['type'] ) {
			case 'cart_item':
				$quantity = $cart_item['quantity'];
				break;
			case 'cat' :
				if ( isset( $collector['args'] ) && isset( $collector['args']['cats'] ) && is_array( $collector['args']['cats'] ) ) {
					$quantity = 0;
					if ( isset( $collector['args'] ) && isset( $collector['args']['cats'] ) && is_array( $collector['args']['cats'] ) ) {
						$temp_cart = WC_Dynamic_Pricing_Compatibility::WC()->cart->cart_contents;
						foreach ( $temp_cart as $lck => $check_cart_item ) {
							if ( is_object_in_term( $check_cart_item['product_id'], 'product_cat', $collector['args']['cats'] ) ) {
								if ( apply_filters( 'woocommerce_dynamic_pricing_count_categories_for_cart_item', true, $cart_item, $lck ) ) {
									$quantity += (int) $check_cart_item['quantity'];
								}
							}
						}
					}
				}
				break;
			case 'product':
				if ( WC_Dynamic_Pricing_Counter::get_product_count( $cart_item['product_id'] ) ) {
					$quantity += WC_Dynamic_Pricing_Counter::get_product_count( $cart_item['product_id'] );
				}
				break;
			case 'variation':
				if ( WC_Dynamic_Pricing_Counter::get_variation_count( $cart_item['variation_id'] ) ) {
					$quantity += WC_Dynamic_Pricing_Counter::get_variation_count( $cart_item['variation_id'] );
				}
				break;
		}

		return apply_filters( 'woocommerce_dynamic_pricing_get_quantity_for_cart_item', $quantity, $cart_item, $collector, $set );
	}

}