//StateGame.h:

#include <iostream>

#include <cstdlib>
#include <ctime>

using namespace std;

class Block;

class State
{
    public:
        virtual void render();

    protected:
    private:
};

void State::render() {

}

class StateGame : public State
{
    public:

        StateGame();

        int foo;

        int xsize,ysize;
        Block** blockArray;

        void fillMap();
        void setBlock(int x, int y, Block* b);
        Block* getBlock(int x, int y);

        void render();
    protected:
    private:
};

//StateGame.cpp:

StateGame::StateGame()
{
    foo = 123;
    cout << "create stategame" << endl;
    blockArray = new Block*[xsize*ysize];
    xsize = 128;
    ysize = 128;
    fillMap();
}

class Block
{
    public:
        int x,y;
        StateGame* state;
        Block(StateGame* state, int x, int y);
        void render();
    protected:
    private:
};

Block::Block(StateGame* myState, int x, int y)
{
    cout << "blockInit" << endl;
    state = myState;
    this->x = x;
    this->y = y;
    cout << "state = "<< state << endl;
    cout << "state foo = "<<state->foo << endl;
    cout << "done with blockInit" << endl;
}

void Block::render() {
    cout << "blockRender" << endl;
    cout << "state = "<< state << endl;
    cout << "state foo = "<<state->foo << endl ;
}

void StateGame::fillMap() {
    srand(time(NULL));
    for(int xx=0;xx<xsize;xx++)
    for(int yy=0;yy<ysize;yy++) {
        if (rand()%10==1) {
            setBlock(xx,yy, new Block(this, xx,yy));
        } else {
        }
        cout << "Next" << endl;
    }
}

Block* StateGame::getBlock(int x, int y) {
    return blockArray[x+(y*xsize)];
}
void StateGame::setBlock(int x, int y, Block* b) {
    blockArray[x+(y*xsize)] = b;
}

void StateGame::render() {
    cout << "Start render";

    for(int xx=0;xx<xsize;xx++)
    for(int yy=0;yy<ysize;yy++) {
        Block* b = getBlock(xx,yy);

        cout << "B("<<xx<<","<<yy<<") = "<<b<<endl;
        if (b!=NULL){
            cout << "Render "<< b << endl;
            b->render();
        }
        else {
            cout << "Null";
        }
    }
    cout << "Finish render";
}

// main.cpp

State* state;

int main ( int argc, char** argv )
{
    state = new StateGame();
    bool done = true;
    while (!done)
    {
        state->render();
    }
    return 0;
}