OOP_F3_Project/src/backend/Simulator.java

481 lines
11 KiB
Java

package backend;
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.ArrayList;
import java.util.Random;
import windowInterface.MyInterface;
public class Simulator extends Thread {
private MyInterface mjf;
private final int COL_NUM = 100;
private final int LINE_NUM = 100;
private final int LIFE_TYPE_NUM = 4;
//Conway Radius : 1
private final int LIFE_AREA_RADIUS = 1;
//Animal Neighborhood Radius : 5
private final int ANIMAL_AREA_RADIUS = 2;
private ArrayList<Integer> fieldSurviveValues;
private ArrayList<Integer> fieldBirthValues;
private ArrayList<Agent> agents;
private boolean stopFlag;
private boolean pauseFlag;
private boolean loopingBorder;
private int clickActionFlag;
private int loopDelay = 150;
private int[][] world;
//TODO : add missing attribute(s)
private int stepCount;
public Simulator(MyInterface mjfParam) {
mjf = mjfParam;
//stopFlag=false; //not necessary since i set the state when pressing the button start
pauseFlag=false;
loopingBorder=false;
clickActionFlag=0;
agents = new ArrayList<Agent>();
fieldBirthValues = new ArrayList<Integer>();
fieldSurviveValues = new ArrayList<Integer>();
world =new int[getWidth()][getHeight()];
//TODO : add missing attribute initialization
//Default rule : Survive always, birth never
for(int i =0; i<9; i++) {
fieldSurviveValues.add(i);
}
}
public int getWidth() {
return COL_NUM;
}
public int getHeight() {
return LINE_NUM;
}
//Should probably stay as is
public void run() {
stepCount=0;
while(!stopFlag) {
stepCount++;
makeStep();
mjf.update(stepCount);
try {
Thread.sleep(loopDelay);
} catch (InterruptedException e) {
e.printStackTrace();
}
while(pauseFlag && !stopFlag) {
try {
Thread.sleep(loopDelay);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
/**
* method called at each step of the simulation
* makes all the actions to go from one step to the other
*/
private int countAliveNeighbors(int x, int y) {
int count = 0;
int[][] directions = {{-1, -1}, {-1, 0}, {-1, 1}, {0, -1}, {0, 1}, {1, -1}, {1, 0}, {1, 1}};
for (int[] dir : directions) {
int nx = x + dir[0];
int ny = y + dir[1];
if (nx >= 0 && nx < getWidth() && ny >= 0 && ny < getHeight()) {
count += world[nx][ny];
} else if (loopingBorder) {
nx = (nx + getWidth()) % getWidth();
ny = (ny + getHeight()) % getHeight();
count += world[nx][ny];
}
}
return count;
}
public void makeStep() {
// agent behaviors first
// only modify if sure of what you do
// to modify agent behavior, see liveTurn method
// in agent classes
int[][] newWorld = new int[getWidth()][getHeight()];
ArrayList<Agent> newAgents = new ArrayList<>();
for(Agent agent : agents) {
ArrayList<Agent> neighbors =
this.getNeighboringAnimals(
agent.getX(),
agent.getY(),
ANIMAL_AREA_RADIUS);}
//if(!agent.liveTurn(
// neighbors,
//this)) {
//agents.remove(agent);
//{
// Apply Game of Life rules
for (int x = 0; x < getWidth(); x++) {
for (int y = 0; y < getHeight(); y++) {
int aliveNeighbors = countAliveNeighbors(x, y);
if (world[x][y] == 1) {
newWorld[x][y] = (aliveNeighbors < 2 || aliveNeighbors > 3) ? 0 : 1;
} else {
newWorld[x][y] = (aliveNeighbors == 3) ? 1 : 0;
}
}
}
world = newWorld;
}
//then evolution of the field
// TODO : apply game rule to all cells of the field
/* you should distribute this action in methods/classes
* don't write everything here !
*
* the idea is first to get the surrounding values
* then count how many are alive
* then check if that number is in the lists of rules
* if the cell is alive
* and the count is in the survive list,
* then the cell stays alive
* if the cell is not alive
* and the count is in the birth list,
* then the cell becomes alive
*/
/*
* leave this as is
*/
public void stopSimu() {
stopFlag=true;
}
public void startSimu() { // same as stopSimu but will set the stopFlag value as false.
stopFlag=false;
}
/*
* method called when clicking pause button
*/
public void togglePause() {
pauseFlag= ! pauseFlag;
// It changes the boolean value associated to pauseFlag (pauseFlag= not pauseFlag)
}
/**
* method called when clicking on a cell in the interface
*/
public void clickCell(int x, int y) {
setCell(x, y, getCell(x, y) == 1 ? 0 : 1);
}
/**
* get cell value in simulated world
* @param x coordinate of cell
* @param y coordinate of cell
* @return value of cell
*/
public int getCell(int x, int y) {
return world[x][y];
//get the value (dead or alive) of my cell at x y
}
/**
*
* @return list of Animals in simulated world
*/
public ArrayList<Agent> getAnimals(){
return agents;
}
/**
* selects Animals in a circular area of simulated world
* @param x center
* @param y center
* @param radius
* @return list of agents in area
*/
public ArrayList<Agent> getNeighboringAnimals(int x, int y, int radius){
ArrayList<Agent> inArea = new ArrayList<Agent>();
for(int i=0;i<agents.size();i++) {
Agent agent = agents.get(i);
if(agent.isInArea(x , y , radius)) {
inArea.add(agent);
}
}
return inArea;
}
/**
* set value of cell
* @param x coord of cell
* @param y coord of cell
* @param val to set in cell
*/
public void setCell(int x, int y, int val) {
world [x][y] = val;
}
/**
*
* @return lines of file representing
* the simulated world in its present state
*/
public ArrayList<String> getSaveState() {
ArrayList<String> saveState = new ArrayList<>();
for (int j = 0; j < getHeight(); j++) {
StringBuilder lineState = new StringBuilder();
for (int i = 0 ; i < getWidth() ; i++) {
lineState.append(getCell(i, j));
if (j < getHeight() -1) {
lineState.append(";");
}
}
saveState.add(lineState.toString());
}
return saveState;
}
/**
*
* @param lines of file representing saved world state
*/
public void loadSaveState(ArrayList<String> lines) {
/*
* First some checks that the file is usable
* We call early returns in conditions like this
* "Guard clauses", as they guard the method
* against unwanted inputs
*/
if(lines.size()<=0) {
return;
}
String firstLine = lines.get(0);
String[] firstLineElements = firstLine.split(";");
if(firstLineElements.length<=0) {
return;
}
/*
* now we fill in the world
* with the content of the file
*/
for(int y =0; y<lines.size();y++) {
String line = lines.get(y);
String[] lineElements = line.split(";");
for(int x=0; x<lineElements.length;x++) {
String elem = lineElements[x];
int value = Integer.parseInt(elem);
setCell(x, y, value);
}
}
}
/**
* called by button, with slider providing the argument
* makes a new world state with random cell states
* @param chanceOfLife the chance for each cell
* to be alive in new state
*/
public ArrayList<String> getRule() { //to check
ArrayList<String> rule = new ArrayList<>();
for (int i = 0; i < getHeight(); i++) {
StringBuilder lineState = new StringBuilder();
for (int j = 0 ; j < getHeight() ; j++) { // je crois qu'il y a un probleme, il fau+t mettre getWidth je crois
lineState.append(getCell(i, j));
if (j < getWidth() - 1) {
lineState.append(";");
}
}
rule.add(lineState.toString());
}
return rule;
}
public void loadRule(ArrayList<String> lines) { //to check
/*
* First some checks that the file is usable
* We call early returns in conditions like this
* "Guard clauses", as they guard the method
* against unwanted inputs
*/
if(lines.size()<=0) {
return;
}
String firstLine = lines.get(0);
String[] firstLineElements = firstLine.split(";");
if(firstLineElements.length<=0) {
return;
}
/*
* now we fill in the world
* with the content of the file
*/
for(int y =0; y<lines.size();y++) {
String line = lines.get(y);
String[] lineElements = line.split(";");
for(int x=0; x<lineElements.length;x++) {
String elem = lineElements[x];
int value = Integer.parseInt(elem);
setCell(x, y, value);
}
}
}
public void generateRandom(float chanceOfLife) {
/*
* Advice :
* as you should probably have a separate class
* representing the field of cells...
* maybe just make a constructor in there
* and use it here
*/
Random rand = new Random();
for (int x = 0; x < COL_NUM; x++) {
for (int y = 0; y < LINE_NUM; y++) {
world[x][y] = rand.nextFloat() < chanceOfLife ? 1 : 0;
}
}
}
public boolean isLoopingBorder() {
return loopingBorder;
}
public void toggleLoopingBorder() {
if (loopingBorder){
loopingBorder = false;
}else {
loopingBorder = true;
}
}
public void setLoopDelay(int delay) {
loopDelay = delay;
}
public void toggleClickAction() {
if (clickActionFlag < 2) {
clickActionFlag ++ ;
}else if (clickActionFlag == 2) {
clickActionFlag=0;
}
}
/**
* prepare the content of a file saving present ruleSet
* as you might want to save a state,
* initialy written in this class constructor
* as a file for future use
* @return File content as an ArrayList of Lines (String)
* @see loadRule for inverse process
*/
public ArrayList<String> getAgentsSave() {
ArrayList<String> agentsSave = new ArrayList<>();
for (int j = 0; j < getHeight(); j++) {
StringBuilder lineState = new StringBuilder();
for (int i = 0 ; i < getWidth() ; i++) {
lineState.append(getCell(i, j));
if (j < getHeight() -1) {
lineState.append(",");
}
}
agentsSave.add(lineState.toString());
}
return agentsSave;
}
public void loadAgents(ArrayList<String> stringArray) {
//TODO : Same idea as other load methods, but for agent list
}
/**
* used by label in interface to show the active click action
* @return String representation of click action
*/
public String clickActionName() {
if (clickActionFlag==0) {
return "cell";
}else if (clickActionFlag==1) {
return "sheep";
}else if (clickActionFlag==2) {
return "wolf";
}else {
return "error";
}
}
public void reset() {
for (int i = 0; i < getHeight(); i++) {
for (int j = 0 ; j < getWidth() ; j++) {
setCell(i,j,0);
}
}
this.stepCount = 0;
}
public boolean isWorldEmpty() {
for (int x = 0; x < getWidth(); x++) {
for (int y = 0; y < getHeight(); y++) {
if (getCell(x, y) != 0) { //0 represents a "dead" cell
return false;
}
}
}
return true;
}
public void startSimulation() {
if (isWorldEmpty()) {
mjf.clicLoadFileButtonCSV("World/baseworld.csv");
}
}
}