#define WINVER	0x0400
#include <G3DAll.h>
#include "Instance.h"

std::string name;
Instance* parent = NULL;
std::vector<Instance* > children;
static std::string className = "BaseInstance";

Instance::Instance(void)
{
	parent = NULL;
	name = "Default Game Instance";
	className = "BaseInstance";
}

Instance::~Instance(void)
{
	for(size_t i = 0; i < children.size(); i++)
	{
		delete children.at(i);
	}
}

std::string Instance::getClassName()
{
	return className;
}

std::vector<Instance* > Instance::getChildren()
{
	return children;
}

std::vector<Instance* > Instance::getAllChildren()
{
	std::vector<Instance* > totalchildren = children;
	for(size_t i = 0; i < children.size(); i++)
	{
		std::vector<Instance* > subchildren = children.at(i)->getAllChildren();
		totalchildren.insert(totalchildren.end(), subchildren.begin(), subchildren.end());
	}
	return totalchildren;
}

void Instance::setParent(Instance* newParent)
{
	if(parent != NULL)
	{
		parent->removeChild(this);
	}
	parent = newParent;
	if(newParent != NULL)
	{
		newParent->addChild(this);
	}
}

Instance* Instance::getParent()
{
	return parent;
}

void Instance::addChild(Instance* newChild)
{
	children.push_back(newChild);
}

void Instance::removeChild(Instance* oldChild)
{
	for(size_t i = 0; i < children.size(); i++)
	{
		if(children.at(i) == oldChild)
		{
			children.erase(children.begin() + i);
		}
	}
}

Instance* Instance::findFirstChild(std::string name)
{
	Instance* child = NULL;
	for(size_t i = 0; i < children.size(); i++)
	{
		if(children.at(i)->name == name)
		{
			child = children.at(i);
			break;
		}
	}
	return child;
}