// Loads all the nodes from files and initialises all maze-specific information.
private void loadNodes(String fileName) {
try {
BufferedReader br =
new BufferedReader(
new InputStreamReader(
new FileInputStream(
pathMazes + System.getProperty("file.separator") + fileName + ".txt")));
String input = br.readLine();
// preamble
String[] pr = input.split("\t");
this.name = pr[0];
this.initialPacManNodeIndex = Integer.parseInt(pr[1]);
this.lairNodeIndex = Integer.parseInt(pr[2]);
this.initialGhostNodeIndex = Integer.parseInt(pr[3]);
this.graph = new Node[Integer.parseInt(pr[4])];
this.pillIndices = new int[Integer.parseInt(pr[5])];
this.powerPillIndices = new int[Integer.parseInt(pr[6])];
this.junctionIndices = new int[Integer.parseInt(pr[7])];
int nodeIndex = 0;
int pillIndex = 0;
int powerPillIndex = 0;
int junctionIndex = 0;
input = br.readLine();
while (input != null) {
String[] nd = input.split("\t");
Node node =
new Node(
Integer.parseInt(nd[0]),
Integer.parseInt(nd[1]),
Integer.parseInt(nd[2]),
Integer.parseInt(nd[7]),
Integer.parseInt(nd[8]),
new int[] {
Integer.parseInt(nd[3]),
Integer.parseInt(nd[4]),
Integer.parseInt(nd[5]),
Integer.parseInt(nd[6])
});
graph[nodeIndex++] = node;
if (node.pillIndex >= 0) pillIndices[pillIndex++] = node.nodeIndex;
else if (node.powerPillIndex >= 0) powerPillIndices[powerPillIndex++] = node.nodeIndex;
if (node.numNeighbouringNodes > 2) junctionIndices[junctionIndex++] = node.nodeIndex;
input = br.readLine();
}
br.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
/*
* Loads the shortest path distances which have been pre-computed. The data contains the shortest distance from
* any node in the maze to any other node. Since the graph is symmetric, the symmetries have been removed to preserve
* memory and all distances are stored in a 1D array; they are looked-up using getDistance(-).
*/
private void loadDistances(String fileName) {
this.shortestPathDistances = new int[((graph.length * (graph.length - 1)) / 2) + graph.length];
try {
BufferedReader br =
new BufferedReader(
new InputStreamReader(
new FileInputStream(
pathDistances + System.getProperty("file.separator") + fileName)));
String input = br.readLine();
int index = 0;
while (input != null) {
shortestPathDistances[index++] = Integer.parseInt(input);
input = br.readLine();
}
br.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}