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#pragma once
#include <renderer/RenderGroup.hpp>
#include <games/Game.hpp>
#include <random>
class Snake : public Game {
public:
enum Direction : int32_t {
DIRECTION_UP,
DIRECTION_DOWN,
DIRECTION_LEFT,
DIRECTION_RIGHT,
};
public:
Snake();
bool Update(std::vector<SDL_Event> &events, RenderGroup &render_group) override;
private:
void ProcessEventDuringPause(SDL_Event &event);
void ProcessEventDuringResume(SDL_Event &event);
void MaybeMoveSnake(float dt_in_seconds);
void SpawnFood();
void Draw(RenderGroup &render_group);
void DoImgui();
private:
static constexpr int32_t MAX_MAP_WIDTH = 16;
static constexpr int32_t MAX_MAP_HEIGHT = 16;
bool m_IsPaused;
bool m_IsRunning;
float m_DtInSecondsRemaining;
uint64_t m_LastMillisecondsSinceT0;
float m_TilesPerSecond;
Direction m_Direction;
Direction m_LastAdvancedDirection;
int32_t m_MapWidth;
int32_t m_MapHeight;
int32_t m_Tail;
int32_t m_Head;
uint64_t m_BodyBitmap[MAX_MAP_HEIGHT];
V2I32 m_BodyPositions[MAX_MAP_WIDTH * MAX_MAP_HEIGHT];
V2I32 m_FoodPosition;
std::mt19937 m_Rng;
std::uniform_int_distribution<int32_t> m_Dist;
};
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