package speiger.src.coreengine.assets.reloader;

import java.util.Set;

import speiger.src.collections.objects.sets.ObjectLinkedOpenHashSet;

public class ResourceReloader
{
	Set<IReloadableResource> resources = new ObjectLinkedOpenHashSet<IReloadableResource>();
	boolean globalRemoval = false;
	boolean reloading = false;
	
	public <T extends IReloadableResource> T addReloadableResource(T resource)
	{
		return addReloadableResource(resource, false);
	}
	
	public <T extends IReloadableResource> T addReloadableResource(T resource, boolean init)
	{
		if(resources.add(resource) && init)
		{
			resource.reload();
		}
		return resource;
	}
	
	public void removeReloadableResource(IReloadableResource resource)
	{
		if(globalRemoval || reloading)
		{
			return;
		}
		resources.remove(resource);
	}
	
	public boolean isReloading()
	{
		return reloading;
	}
	
	public void reloadResources()
	{
		reloading = true;
		for(IReloadableResource resource : resources)
		{
			resource.reload();
		}
		reloading = false;
	}
	
	public void deleteResources()
	{
		globalRemoval = true;
		for(IReloadableResource resource : resources)
		{
			resource.destroy();
		}
		resources.clear();
		globalRemoval = false;
	}
}