display frame duration along with the fps counter

This commit is contained in:
Sebastian Krzyszkowiak 2018-03-20 23:49:22 +01:00
parent b31d093e8c
commit f097ddc54a
2 changed files with 6 additions and 3 deletions

View file

@ -150,6 +150,7 @@ SYMBOL_INTERNAL void ResizeGamestates(struct Game* game) {
}
SYMBOL_INTERNAL void DrawConsole(struct Game* game) {
double game_time = al_get_time();
if (game->_priv.showconsole) {
al_set_target_backbuffer(game->display);
ALLEGRO_TRANSFORM trans;
@ -177,9 +178,11 @@ SYMBOL_INTERNAL void DrawConsole(struct Game* game) {
cur++;
}
char sfps[6] = {0};
char sfps[16] = {0};
snprintf(sfps, 6, "%.0f", game->_priv.fps_count.fps);
DrawTextWithShadow(game->_priv.font_console, al_map_rgb(255, 255, 255), clipX + clipWidth, clipY, ALLEGRO_ALIGN_RIGHT, sfps);
snprintf(sfps, 16, "%.2f ms", 1000 * (game_time - game->_priv.fps_count.time));
DrawTextWithShadow(game->_priv.font_console, al_map_rgb(255, 255, 255), clipX + clipWidth, clipY + al_get_font_line_height(game->_priv.font_console), ALLEGRO_ALIGN_RIGHT, sfps);
al_use_transform(&game->projection);
@ -187,12 +190,12 @@ SYMBOL_INTERNAL void DrawConsole(struct Game* game) {
}
al_hold_bitmap_drawing(false);
double game_time = al_get_time();
if (game_time - game->_priv.fps_count.old_time >= 1.0) {
game->_priv.fps_count.fps = game->_priv.fps_count.frames_done / (game_time - game->_priv.fps_count.old_time);
game->_priv.fps_count.frames_done = 0;
game->_priv.fps_count.old_time = game_time;
}
game->_priv.fps_count.time = game_time;
game->_priv.fps_count.frames_done++;
}

View file

@ -101,7 +101,7 @@ struct Game {
ALLEGRO_BITMAP* fb; /*!< Default framebuffer. */
struct {
double old_time, fps;
double old_time, fps, time;
int frames_done;
} fps_count; /*!< Used for counting the effective FPS. */