// Reads all TSP instances from .txt files.
// The instances are stored as tspinstances structs in an array called "tspinstances"
private static GameManager.TSPInstance[] LoadTSPInstances(int numberOfInstances, string type)
{
GameManager.TSPInstance[] tempInstances = new GameManager.TSPInstance[numberOfInstances];
for (int k = 0; k < numberOfInstances; k++)
{
// create a dictionary where all the variables and definitions are strings
var dict = new Dictionary <string, string>();
// Use streamreader to read the input files if there are lines to read
using (StreamReader sr = new StreamReader(folderPathLoadInstances + type + (k + 1) + ".txt"))
{
ReadToDict(sr, dict);
}
// Convert (most of them) to integers, with variables and literals being arrays and the others single literals
tempInstances[k].coordinatesx = Array.ConvertAll(dict["coordinatesx"].Substring(1, dict["coordinatesx"].Length - 2).Split(','), float.Parse);
tempInstances[k].coordinatesy = Array.ConvertAll(dict["coordinatesy"].Substring(1, dict["coordinatesy"].Length - 2).Split(','), float.Parse);
tempInstances[k].distancematrix = StringToMatrix(dict["distancevector"]);
tempInstances[k].ncities = int.Parse(dict["ncities"]);
tempInstances[k].solution = int.Parse(dict["solution"]);
}
return(tempInstances);
}
// Funciton to set up regular & Metric TSP instance
void SetTSP(GameManager.TSPInstance currentInstance)
{
// Display current distance
DistanceText = GameObject.Find("DistanceText").GetComponent <Text>();
// Coordinate of the cities
cox = currentInstance.coordinatesx;
coy = currentInstance.coordinatesy;
unitycoord = BoardFunctions.CoordinateConvertor(cox, coy);
// Number of objects
ncities = currentInstance.ncities;
distances = currentInstance.distancematrix;
solution = currentInstance.solution;
// Store objects in a list
items = new Item[ncities];
for (int i = 0; i < ncities; i++)
{
for (int j = i; j < ncities; j++)
{
if (distances[i, j] != 0)
{
DrawSlimLine(i, j, 0.01f);
}
}
}
for (int i = 0; i < ncities; i++)
{
items[i] = GenerateItem(i, unitycoord[i]);
}
}
