#include <graphics.h>
#include <string>

int idx_current_anim = 0;

const int PLAYER_ANIM_NUM = 6;

IMAGE img_player[PLAYER_ANIM_NUM];

void LoadAnimation()
{
 for (size_t i = 0; i < PLAYER_ANIM_NUM; i++)
 {
 std::wstring path = L"img/player-" + std::to_wstring(i) + L".png";
 loadimage(&img_player[i], path.c_str());
 }
}
int main()
{
 initgraph(1280, 720);

 bool running = true;

 ExMessage msg;
 IMAGE img_background;

 LoadAnimation();
 loadimage(&img_background, _T("img/background.jpg"));

 BeginBatchDraw();

 while (running)
 {
 DWORD start_time = GetTickCount();

 while (peekmessage(&msg))
 {

 }

 static int counter = 0;
 if (++counter % 5 == 0)
 idx_current_anim++;

 idx_current_anim %= PLAYER_ANIM_NUM;

 cleardevice();

 putimage(0, 0, &img_background);
 putimage(500, 200, &img_player[idx_current_anim]);

 FlushBatchDraw();

 DWORD end_time = GetTickCount();
 DWORD delta_time = end_time - start_time;
 if (delta_time < 1000 / 144)
 {
 Sleep(1000 / 144 - delta_time);
 }
 }

 EndBatchDraw();

 return 0;
}