//
// Created by Wouter Groeneveld on 30/11/18.
//

#ifndef GBA_SPRITE_ENGINE_PROJECT_CONWAYSCENE_H
#define GBA_SPRITE_ENGINE_PROJECT_CONWAYSCENE_H

#include <libgba-sprite-engine/scene.h>
#include <libgba-sprite-engine/gba_engine.h>

#define MAP_WIDTH GBA_SCREEN_WIDTH / 8
#define MAP_HEIGHT GBA_SCREEN_HEIGHT / 8
#define MAP_SIZE MAP_WIDTH * MAP_HEIGHT

#define ALIVE 0x0001
#define DEAD  0x0000

class ConwayScene : public Scene {
protected:
    u8 percentageSeed;
    u16 generation;
    std::unique_ptr<Background> bg;
    u16 map[MAP_SIZE] = {DEAD}, buffer[MAP_SIZE] = {DEAD};

    void seedRandomMap(int seedcount);
    int countAmountOfNeighbouringCellsAlive(int pos, int x, int y);
    u16 getNextState(int x, int y, int pos);

public:
    ConwayScene(const std::shared_ptr<GBAEngine> &engine, u8 percentageSeed) : Scene(engine), percentageSeed(percentageSeed) {}

    std::vector<Sprite *> sprites() override;

    std::vector<Background *> backgrounds() override;

    void load() override;

    virtual void postload() = 0;

    virtual void tick(u16 keys) = 0;
};


#endif //GBA_SPRITE_ENGINE_PROJECT_CONWAYSCENE_H