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C++ Pos::price方法代码示例

本文整理汇总了C++中Pos::price方法的典型用法代码示例。如果您正苦于以下问题:C++ Pos::price方法的具体用法?C++ Pos::price怎么用?C++ Pos::price使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Pos的用法示例。


在下文中一共展示了Pos::price方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: getNextCloseTo

int Board::getNextCloseTo(int s, int d, bool diag, int lastIndex)
{
	if(s == d)
		return(-1); // What can I say, we're here! ;o)
	
	const int firstN = diag ? 4 : 0;
	const int lastN = diag ? 8 : 4;
	
	Pos *root = new Pos(0, s, 0), *list = root;
	
	// List of indexes.
	for(; list; list = list->listNext()) {
		Pos *p;
		
		// Check if current list node is the destination position.
		if(list->index() == d) {
			// Find first movement after root.
			for(; ; list = p) {
				p = list->parent();
				if(p == root) {
					// This is our move.
					int nextSq = list->index();
					delete root;
					index(nextSq);
					return(nextSq);
				}
			}
			qFatal("Never here");
		}
		
		// Make possible moves.
		for(int n = firstN; n < lastN; n ++) {
			int i = getNext(n, list->index());
			int pri = list->price() + 1;
			
			// getNext returned valid place?
			if(! inBounds(i) || (! isEmpty(i) && i != d)) {
				// Or place is out of map or it's not empty,
				// so go to the next possible move.
				continue;
			}
			
			int pi = list->parent() ? list->parent()->index() : lastIndex;
			if(pi != -1 && direction(pi, list->index()) !=
					direction(list->index(), i)) {
				pri += 10;
			}
			
			// Check if position wasn't processed yet.
			if( (p = root->searchBTree(i))) {
				// Position already processed.
				// Check price of found position with current one.
				if(p->price() > pri) {
					// We found a cheapear way to reach the same
					// place, so let's change the parent and price of p.
					p->setPrice(list->price() + 1);
					p->setParent(list);
					list->addList(p);
				}
				continue;
			}
			
			// Create new Pos class instance.
			p = new Pos(list, i, pri);
			
			// Add.
			list->addList(p);
			root->addFList(p);
			root->addBTree(p);
		}
	}
	
	// Solution not found.
	delete root;
	return(-1);
}
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