CS计算机代考程序代写 Java /**

/**
* RDDL: A simple graphics display for the Sidewalk domain.
*
* @author Scott Sanner (ssanner@gmail.com)
* @version 10/10/10
*
**/

package rddl.viz;

import java.awt.Color;
import java.util.ArrayList;
import java.util.Map;

import rddl.EvalException;
import rddl.State;
import rddl.RDDL.LCONST;
import rddl.RDDL.PVARIABLE_DEF;
import rddl.RDDL.PVAR_NAME;
import rddl.RDDL.TYPE_NAME;

public class CrossingTrafficDisplay extends StateViz {

public CrossingTrafficDisplay() {
_nTimeDelay = 200; // in milliseconds
}

public CrossingTrafficDisplay(int time_delay_per_frame) {
_nTimeDelay = time_delay_per_frame; // in milliseconds
}

public boolean _bSuppressNonFluents = false;
public BlockDisplay _bd = null;
public int _nTimeDelay = 0;

public void display(State s, int time) {
try {
System.out.println(“TIME = ” + time + “: ” + getStateDescription(s));
} catch (EvalException e) {
System.out.println(“\n\nError during visualization:\n” + e);
e.printStackTrace();
System.exit(1);
}
}

//////////////////////////////////////////////////////////////////////

public String getStateDescription(State s) throws EvalException {
StringBuilder sb = new StringBuilder();

TYPE_NAME xpos_type = new TYPE_NAME(“xpos”);
ArrayList list_xpos = s._hmObject2Consts.get(xpos_type);

TYPE_NAME ypos_type = new TYPE_NAME(“ypos”);
ArrayList list_ypos = s._hmObject2Consts.get(ypos_type);

PVAR_NAME GOAL = new PVAR_NAME(“GOAL”);
PVAR_NAME robot_at = new PVAR_NAME(“robot-at”);
PVAR_NAME obstacle_at = new PVAR_NAME(“obstacle-at”);

if (_bd == null) {
int max_row = list_ypos.size() – 1;
int max_col = list_xpos.size() – 1;

_bd= new BlockDisplay(“RDDL Crossing Traffic Simulation”, “RDDL Crossing Traffic Simulation”, max_row + 2, max_col + 2);
}

// Set up an arity-1 parameter list
ArrayList params = new ArrayList(2);
params.add(null);
params.add(null);

_bd.clearAllCells();
_bd.clearAllLines();
for (LCONST xpos : list_xpos) {
for (LCONST ypos : list_ypos) {
int col = new Integer(xpos.toString().substring(2, xpos.toString().length()));
int row = new Integer(ypos.toString().substring(2, ypos.toString().length())) – 1;
params.set(0, xpos);
params.set(1, ypos);
boolean is_goal = (Boolean)s.getPVariableAssign(GOAL, params);
boolean robot = (Boolean)s.getPVariableAssign(robot_at, params);
boolean obstacle = (Boolean)s.getPVariableAssign(obstacle_at, params);

if (robot && is_goal)
_bd.setCell(row, col, Color.red, “G!”);
else if (is_goal)
_bd.setCell(row, col, Color.cyan, “G”);
else if (robot && !obstacle)
_bd.setCell(row, col, Color.blue, null);
else if (robot && obstacle)
_bd.setCell(row, col, Color.black, “X”);
else if (obstacle)
_bd.setCell(row, col, Color.green, null);
}
}

_bd.repaint();

// Sleep so the animation can be viewed at a frame rate of 1000/_nTimeDelay per second
try {
Thread.currentThread().sleep(_nTimeDelay);
} catch (InterruptedException e) {
System.err.println(e);
e.printStackTrace(System.err);
}

return sb.toString();
}

public void close() {
_bd.close();
}
}