From 73d85fa7352179ac26ee4346d5d7148329325777 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sat, 07 Aug 2021 19:59:19 -0400
Subject: game: Add timer

---
(limited to 'src')

diff --git a/src/game.c b/src/game.c
index 0b546c0..6a8be75 100644
--- a/src/game.c
+++ b/src/game.c
@@ -19,6 +19,8 @@
 
 #include <SDL.h>
 #include <SDL_ttf.h>
+#include <errno.h>
+#include <string.h>
 #include "defs.h"
 #include "dirs.h"
 #include "game.h"
@@ -26,6 +28,12 @@
 #include "tk.h"
 #include "util.h"
 
+struct _mf_game {
+	struct mftk_widget *timer;
+	char                time_buf[6];
+	Uint32              beg;
+};
+
 static int
 _mf_game_exit(void *user_data __attribute__((__unused__)))
 {
@@ -34,15 +42,23 @@ _mf_game_exit(void *user_data __attribute__((__unused__)))
 
 static struct mftk_widget *
 _mf_game_form(SDL_Renderer *renderer, TTF_Font *text_font,
-		SDL_Color *text_color)
+		SDL_Color *text_color, struct _mf_game *game)
 {
 	SDL_Color butn_color;
 
 	butn_color.r = MF_COLOR_BUTN_R, butn_color.g = MF_COLOR_BUTN_G;
 	butn_color.b = MF_COLOR_BUTN_B, butn_color.a = MF_COLOR_BUTN_A;
 
-	return mftk_button_new(text_font, "Exit", text_color, &butn_color,
-			MF_BTN_P, &_mf_game_exit, NULL, renderer);
+	game->timer = mftk_text_new('\0', '\0', 5, "00:00", text_font,
+			text_color, SDL_FALSE, NULL, NULL, NULL);
+	return mftk_grid_new(2, 1, MF_ROW_M, MF_COL_M,
+			game->timer,
+				MFTK_GRID_HALIGN_R|MFTK_GRID_VALIGN_T,
+			mftk_button_new(text_font, "Exit", text_color,
+				&butn_color, MF_BTN_P, &_mf_game_exit, NULL,
+				renderer),
+				MFTK_GRID_HALIGN_R|MFTK_GRID_VALIGN_B
+			);
 }
 
 int
@@ -54,9 +70,11 @@ mf_game(long seed, int size, int fow, int reveal, SDL_Renderer *renderer)
 	TTF_Font           *text_font   = NULL;
 	SDL_Color           form_color;
 	SDL_Color           text_color;
+	struct _mf_game     game;
 	struct mftk_window *win         = NULL;
 	int                 fr;
 	Uint32              beg;
+	int                 secs;
 	Uint32              end;
 	Uint32              delay;
 	SDL_Event           event;
@@ -92,7 +110,9 @@ mf_game(long seed, int size, int fow, int reveal, SDL_Renderer *renderer)
 				MF_WINDOW_W - MF_WINDOW_H, MF_WINDOW_H,
 				MF_FORM_P, &form_color,
 				_mf_game_form(renderer, text_font,
-					&text_color)));
+					&text_color, &game)));
+
+	game.beg = SDL_GetTicks();
 
 	fr = 30;
 	while(1) {
@@ -125,6 +145,15 @@ mf_game(long seed, int size, int fow, int reveal, SDL_Renderer *renderer)
 				MF_COLOR_BACK_B, MF_COLOR_BACK_A);
 		SDL_RenderClear(renderer);
 		mf_maze_render(maze, renderer, &maze_color, MF_WINDOW_H / size);
+		secs = (beg - game.beg) / 1000;
+		if (sprintf(game.time_buf, "%02d:%02d", secs / 60, secs % 60)
+				< 0) {
+			SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
+					"Couldn't allocate string: %s",
+					strerror(errno));
+			return -1;
+		}
+		mftk_text_set_value(game.timer, game.time_buf);
 		mftk_window_render(win, renderer);
 		SDL_RenderPresent(renderer);
 		end = SDL_GetTicks();
--
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