using System;
using System.Collections.Generic;

namespace org.niclasundharald.engine.graphics
{
	public class ModelManager
	{
		public static readonly ModelManager instance = new ModelManager();

		Dictionary<string, Model3D>	knownModels;
		List<string>	searchPaths;

		protected ModelManager()
		{
			knownModels = new Dictionary<string, Model3D>();
			searchPaths = new List<string>();
			searchPaths.Add(".");
		}

		public void addSearchPath(string sPath){
			searchPaths.Add(sPath);
		}
		public void removeSearchPath(string sPath){
			searchPaths.Remove(sPath);
		}


		public Model3D loadModel(String mName,float scale){
			string fullName = FileHelper.findFile(String.Format("{0}.obj",mName),searchPaths.ToArray());
			if (fullName != null){
				Console.WriteLine("Model found: {0}",fullName);
				return Model3D.loadObjFile(fullName,scale);
			}
			return null;
		}

		public Model3D	findModel(String mName){
			if (!knownModels.ContainsKey(mName)){
				return loadModel(mName,1);
			} else {
				return knownModels[mName];
			}
		}


	}
}