private int state;
private int goalx, goaly;
private int rows, cols;
- private Random rand;
private char action;
public Player(int type, int x, int y) {
this.state = 0; //0 => INIT state
this.goalx = 0;
this.goaly = 0;
- rand = new Random(30); //seed to generate random numbers
this.action = 'M'; //initalized to moving
}
- public void reset(GameMap[][] land, int row, int col, int bounds) {
+ public void reset(GameMap[][] land, int row, int col, int bounds, Random rand) {
//Teleport to new location
if(type == 1) { //PLANTER
x = (rand.nextInt(Math.abs(row - 2) + 1)) + 1;
this.y = y;
}
- //public void setNewPosition(int x, int y, int row, int col, int bounds) {
public void setNewPosition(int row, int col, int bounds) {
- //setPosition(x, y);
setBoundary(bounds, row, col);
goalx = -1;
goaly = -1;
/** Randomly finds a goal in a given boundary for player
** @return 0 on success and -1 when you cannot find any new goal
**/
- public int findGoal(GameMap[][] land) {
+ public int findGoal(GameMap[][] land, Random rand) {
/* Try setting the goal for try count times
* if not possible, then select a completely new goal
*/
int trycount = (highx - lowx) + (highy - lowy);
int i;
- Random rand = new Random(0);
for (i = 0; i < trycount; i++) {
int row = (rand.nextInt(Math.abs(highx - lowx)) + 1) + lowx;
int col = (rand.nextInt(Math.abs(highy - lowy)) + 1) + lowy;
-#define ROW 200 /* columns in the map */
-#define COLUMN 200 /* rows of in the map */
+#define ROW 100 /* columns in the map */
+#define COLUMN 100 /* rows of in the map */
#define ROUNDS 200 /* Number of moves by each player */
#define PLAYERS 20 /* Number of Players when num Players != num of client machines */
#define RATI0 0.5 /* Number of lumberjacks to number of planters */
Random rand = new Random(seed);
RainForestClient rfc = new RainForestClient();
- Socket sock = new Socket("dw-8.eecs.uci.edu",9002);
+ Socket sock = new Socket("dc-1.calit2.uci.edu",9002);
SocketInputStream si=new SocketInputStream(sock);
/* Read player type from Server */
// Barriers for syncronization
Barrier barr;
- barr = new Barrier("128.195.175.79");
+ barr = new Barrier("128.195.136.162");
//Generate a random x and y coordinate to start with
int maxValue = ROW - 1;
Player gamer = new Player(person, row, col, ROW, COLUMN, BLOCK);
//
- //Debug
+ // Debug
+ // System.println("Person= "+person+" LocX= "+row+" LocY= "+col);
//
- /* System.println("Person= "+person+" LocX= "+row+" LocY= "+col); */
GameMap[][] land = new GameMap[ROW][COLUMN];
for(int i = 0; i<ROW; i++) {
}
byte buf[] = new byte[9];
for(int i = 0; i<ROUNDS; i++) {
- //
- // Send the continue to read
- //
- sock.write(rfc.fillBytes("U",i));
+ String retval;
+ do {
+ retval = null;
+ //
+ // Send the continue to read
+ //
+ sock.write(rfc.fillBytes("U",i));
- //
- //Read information of land object from Server
- //
- String rstr;
- while(true) {
- rstr = rfc.readFromSock(si, 9);
- buf = rstr.getBytes();
- str1 = rstr.subString(0, 1);
-
- /* terminate if opcode sent is "O" */
- if(str1.equalsIgnoreCase("O")) {
- //System.println("Receive termination char O");
- break;
- } else {
- rfc.extractCoordinates(buf, land);
+ //
+ //Read information of land object from Server
+ //
+ String rstr;
+ while(true) {
+ rstr = rfc.readFromSock(si, 9);
+ buf = rstr.getBytes();
+ str1 = rstr.subString(0, 1);
+
+ /* terminate if opcode sent is "O" */
+ if(str1.equalsIgnoreCase("O")) {
+ break;
+ } else {
+ rfc.extractCoordinates(buf, land);
+ }
}
- }
- //Debug
- //rfc.printLand(land, ROW, COLUMN);
+ //Debug
+ //rfc.printLand(land, ROW, COLUMN);
- //
- //Do rounds
- //do one move per round and write to server
- //
- rfc.doOneMove(land, gamer, sock);
+ //
+ //Do rounds
+ //do one move per round and write to server
+ //
+ rfc.doOneMove(land, gamer, sock, rand);
- //Receive ACK from server and do player updates
- rstr = rfc.readFromSock(si, 1);
- str1 = rstr.subString(0, 1);
+ //Receive ACK from server and do player updates
+ rstr = rfc.readFromSock(si, 1);
+ retval = rstr.subString(0, 1);
- //
- //Update player position and player boundaries if success
- //
- if(str1.equalsIgnoreCase("S") && ((gamer.action == 'C') || gamer.action == 'P')) {
- gamer.setNewPosition(ROW, COLUMN, BLOCK);
- gamer.setState(INIT);
- }
-
- if(str1.equalsIgnoreCase("F")) {
- //Retry if failure
- //i--;
- gamer.setNewPosition(ROW, COLUMN, BLOCK);
- gamer.setState(INIT);
- }
+ //
+ //Update player position and player boundaries if success i.e. cut/plant tree
+ //Continue to the next iteration
+ //
+ if(retval.equalsIgnoreCase("S") && ((gamer.action == 'C') || gamer.action == 'P')) {
+ //
+ // Debug
+ // if(gamer.action == 'C')
+ // System.println("Cutting");
+ // if(gamer.action == 'P')
+ // System.println("Planting");
+ //
+
+ gamer.setNewPosition(ROW, COLUMN, BLOCK);
+ gamer.setState(INIT);
+ break;
+ }
+
+ //
+ // If success and player moving ... continue till goal reached
+ //
+ if(retval.equalsIgnoreCase("S") && gamer.action == 'M') {
+ //System.println("Moving");
+ break;
+ }
+
+ //
+ // If server returns failure then retry
+ // move with a new goal
+ //
+ if(retval.equalsIgnoreCase("F")) {
+ //
+ // Debug
+ // System.println("Failure....Retry\n");
+ //
+ gamer.setNewPosition(ROW, COLUMN, BLOCK);
+ gamer.setState(INIT);
+ }
+
+ } while(retval.equalsIgnoreCase("F"));
//
//Synchronize threads
//
Barrier.enterBarrier(barr);
}
-
//
//Special character "T" to terminate computation
//
sock.write(rfc.fillBytes("T", 0));
sock.close();
+
}
+ /**
+ ** Create the land Map at client's end
+ ** @param b bytes read from client
+ ** @param land The map to be filled
+ **/
public void extractCoordinates(byte[] b, GameMap[][] land) {
int posX = getX(b);
int posY = getY(b);
if(posX >= ROW && posY >= COLUMN) {
- System.println("b[0] = "+(char)b[0]+" b[1]= "+(char)b[1]+" b[2]= "+(char)b[2]+" b[3]= "+(char)b[3]+" b[4]= "+(char)b[4]+" b[5]= "+(char)b[5]+" b[6]= "+(char)b[6]+" b[7]= "+(char)b[7]+ " b[8]= " +(char)b[8]);
+ System.println("Error: Trying to access elements out of bounds in the array");
}
if(b[0] == (byte) 'T') {
** @param gamer The player making the move
** @return 0 is success , -1 otherwise
**/
- public int doOneMove(GameMap[][] land, Player gamer, Socket sock) {
+ public int doOneMove(GameMap[][] land, Player gamer, Socket sock, Random rand) {
// 1. Get start(x, y) position of the player
int currx = gamer.getX();
int curry = gamer.getY();
//gamer.debugPlayer();
- if (gamer.findGoal(land) < 0) {
- gamer.reset(land, ROW, COLUMN, BLOCK);
+ if (gamer.findGoal(land, rand) < 0) {
+ gamer.reset(land, ROW, COLUMN, BLOCK, rand);
gamer.action = 'M';
sock.write(fillBytes(SHIFT, 0, 0));
return 0;
// System.println("Path from ("+currx+","+curry+") to ("+gamer.getGoalX()+","+gamer.getGoalY()+") is null");
//
- gamer.reset(land, ROW, COLUMN, BLOCK);
+ gamer.reset(land, ROW, COLUMN, BLOCK, rand);
gamer.setState(INIT);
gamer.action = 'M';
sock.write(fillBytes(SHIFT, 0, 0));
projects / IRC.git / commitdiff