// Deserialize some data.

// Create a map class.

class map
{
int[][] location; // Stores all the various positions on the map.
int size_x; // The number of squares to place on the X axis.
int size_y; // The number of squares to place on the Y axis.

// Create our constructor.
map()
{
reset();
}

// Implement a reset method for resetting our map.
void reset()
{
location.resize(0);
size_x=0;
size_y=0;
}

// Implement a rudimentary setup procedure.
void setup(int max_x=20, int max_y=20)
{
if((max_x<=0)||(max_y<=0))
{
return;
}

// Fill out our properties.
size_x=max_x;
size_y=max_y;

// Fill up the array.
location.resize(max_x);
for(int x=0; x<max_x; x++)
{
location[x].resize(max_y);

// Assign values to it.
for(int y=0; y<max_y; y++)
{
location[x][y]=random(0, 5);
}
}
}

// This serializes the map.
string save()
{
dictionary data; // We will pass this dictionary to the serialize function.

// First, we store the size of the map so we know how many squares we have available.
data.set("map.size_x", size_x);
data.set("map.size_y", size_y);

// Put our map in the dictionary.
for(int x=0; x<size_x; x++)
{
for(int y=0; y<size_y; y++)
{
data.set("map.location["+x+"]["+y+"]", location[x][y]);
}
}

// Return the serialization.
return serialize(data);
}

// This will deserialize and load the values back into the map.
bool load(string data)
{

// Check if we have no data.
if(data=="")
{
return false;
}
dictionary@ restore=deserialize(data); // This is where the data will be stored initially.
reset(); // So we have a clean start.
restore.get("map.size_x", size_x);
restore.get("map.size_y", size_y);
if((size_x<=0)||(size_y<=0))
{
return false;
}

//Resize our map.
location.resize(size_x);
for(int x=0; x<size_x; x++)
{
location[x].resize(size_y);

// Now we can restore our values.
for(int y=0; y<size_y; y++)
{
restore.get("map.location["+x+"]["+y+"]", location[x][y]);
}
}
return true;
}
}

// Create a player class

class player
{
int x;
int y;
int score;
int health;

player()
{
reset();
}

void reset()
{
x=0;
y=0;
health=100;
score=0;
}

void setup()
{

// This will set random values for each property, merely to demonstrate serialization.
x=random(0, 10);
y=random(0, 10);
score=random(0, 500000);
health=random(1, 100);
}

string save()
{
dictionary data; // We will pass this dictionary to the serialize function.

// Put our values in the dictionary.
data.set("player.x", x);
data.set("player.y", y);
data.set("player.health", health);
data.set("player.score", score);

// Return the serialization.
return serialize(data);
}

// This will deserialize and load the values back into the class.
bool load(string data)
{

// Check if we have no data.
if(data=="")
{
return false;
}
dictionary@ restore=deserialize(data); // This is where the data will be stored initially.
reset(); // So we have a clean start.
restore.get("player.x", x);
restore.get("player.y", y);
restore.get("player.health", health);
restore.get("player.score", score);
return true;
}
}

// Create an enemy class

class enemy
{
int id; //Used to store a unique identifier, typically the position in the array where he is stored.
int x;
int y;
int speed;
int health;
int state;

enemy()
{
reset();
}

void reset()
{
id=-1;
x=0;
y=0;
speed=random(300, 500);
health=100;
state=0; //Can be used to store whether he is attacking, walking etc.
}

void setup(int id)
{

// This will set random values for each property, merely to demonstrate serialization. We ask for the ID so we can serialize the correct enemy when the time comes.
this.id=id;
x=random(0, 10);
y=random(0, 10);
speed=random(300, 500);
health=random(1, 100);
state=random(0, 5); //Can be used to store whether he is attacking, exploring, fleeing etc.
}

string save()
{
dictionary data; // We will pass this dictionary to the serialize function.

// Put our values in the dictionary. Notice we use the enemy ID as a key rather than as a value.
data.set("enemy["+id+"].x", x);
data.set("enemy["+id+"].y", y);
data.set("enemy["+id+"].health", health);
data.set("enemy["+id+"].state", state);
data.set("enemy["+id+"].speed", speed);

// Return the serialization.
return serialize(data);
}

// This will deserialize and load the values back into the class.
bool load(string data, int id)
{

// Check if we have no data.
if((data=="")||(id<0))
{
return false;
}
dictionary@ restore=deserialize(data); // This is where the data will be stored initially.
reset(); // So we have a clean start.
this.id=id;
restore.get("enemy["+id+"].x", x);
restore.get("enemy["+id+"].y", y);
restore.get("enemy["+id+"].health", health);
restore.get("enemy["+id+"].state", state);
restore.get("enemy["+id+"].speed", speed);
return true;
}
}

// Now we declare some values and deserialize them from a file.

player me;
map world;
enemy[] monster;

void main()
{

// Declare our variables.
file storage;

int monsters=1;

//Retrieve our data.
storage.open("serialize_test.txt", "rb");
string data=storage.read();
storage.close();

// Construct our dictionary.
dictionary@ example=deserialize(data);

//Restore our data back into our variables.
example.get("enemy.length", monsters);
world.load(data);
me.load(data);
monster.resize(monsters);
for(int counter=0; counter<monsters; counter++)
{
monster[counter].load(data, counter);
}
}