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Save/load high score to/from file. master
authorMatthew Mondor <mmondor@pulsar-zone.net>
Tue, 25 Apr 2023 17:26:10 +0000 (17:26 +0000)
committerMatthew Mondor <mmondor@pulsar-zone.net>
Tue, 25 Apr 2023 17:26:10 +0000 (17:26 +0000)
MATT-README.txt patch | blob | blame | history
nInvaders.c patch | blob | blame | history
nInvaders.h patch | blob | blame | history
view.c patch | blob | blame | history

diff --git a/MATT-README.txt b/MATT-README.txt
index 7ef88be..81fdd24 100644 (file)
--- a/MATT-README.txt
+++ b/MATT-README.txt
@@ -18,18 +18,13 @@ BUG FIXES
 IMPROVEMENTS
 
 - Allow to build against BSD or other X/Open standard curses(3)
 IMPROVEMENTS
 
 - Allow to build against BSD or other X/Open standard curses(3)
-
 - Use getopt(3) and atoi(3) instead of ad-hoc argument management
 - Use getopt(3) and atoi(3) instead of ad-hoc argument management
-
 - Make UFO missiles two animated rows to be closer to those in the
   original game.
 - Make UFO missiles two animated rows to be closer to those in the
   original game.
-
 - Add a curses(3) atexit(3) cleanup handler.
 - Add a curses(3) atexit(3) cleanup handler.
-
 - Use stdlib EXIT_SUCCESS/EXIT_FAILURE.
 - Use stdlib EXIT_SUCCESS/EXIT_FAILURE.
-
 - Add high score keeping and display the scores on the title screen.
 - Add high score keeping and display the scores on the title screen.
-
+- Load/save the high score from/to file.
 - Bandwidth efficiency improvent and addition of the -f option to
   lower the frame rate from the default (very high) 50, if necessary.
 
 - Bandwidth efficiency improvent and addition of the -f option to
   lower the frame rate from the default (very high) 50, if necessary.
 
diff --git a/nInvaders.c b/nInvaders.c
index b2f4e0c..2534c84 100644 (file)
--- a/nInvaders.c
+++ b/nInvaders.c
@@ -34,6 +34,7 @@
 #include "ufo.h"
 
 #define DEFAULT_FPS 50
 #include "ufo.h"
 
 #define DEFAULT_FPS 50
+#define HIGHSCORE_FILE ".nInvaders_highscore"
 
 int fps = DEFAULT_FPS;
 
 
 int fps = DEFAULT_FPS;
 
@@ -52,6 +53,10 @@ int skill_level;
 #define GAME_HIGHSCORE 6
 
 
 #define GAME_HIGHSCORE 6
 
 
+static void highScoreInit(void);
+static void highScoreLoad(void);
+
+static char *highscorefullpath = NULL;
 
 
 /**
 
 
 /**
@@ -361,6 +366,8 @@ int main(int argc, char **argv)
        skill_level = 1;
 
        evaluateCommandLine(argc, argv);        // evaluate command line parameters
        skill_level = 1;
 
        evaluateCommandLine(argc, argv);        // evaluate command line parameters
+       highScoreInit();
+       highScoreLoad();
        graphicEngineInit();                    // initialize graphic engine
        
        // set up timer/ game handling
        graphicEngineInit();                    // initialize graphic engine
        
        // set up timer/ game handling
@@ -391,3 +398,64 @@ void doScoring(int alienType)
        drawscore();    // display score
 }
 
        drawscore();    // display score
 }
 
+
+#define HIGHSCOREFULLPATHBUFSIZ 256
+
+static void highScoreInit(void)
+{
+       char *home;
+
+       if (highscorefullpath != NULL)
+               return;
+
+       if ((highscorefullpath = malloc(HIGHSCOREFULLPATHBUFSIZ)) == NULL)
+               goto err;
+       if ((home = getenv("HOME")) == NULL)
+               goto err;
+       (void)snprintf(highscorefullpath, HIGHSCOREFULLPATHBUFSIZ - 1,
+           "%s/%s", home, HIGHSCORE_FILE);
+       highscorefullpath[HIGHSCOREFULLPATHBUFSIZ - 1] = '\0';
+
+       return;
+err:
+       if (highscorefullpath != NULL) {
+               free(highscorefullpath);
+               highscorefullpath = NULL;
+       }
+}
+
+static void highScoreLoad(void)
+{
+       FILE *fh;
+       char line[64];
+
+       if (highscorefullpath == NULL)
+               return;
+
+       if ((fh = fopen(highscorefullpath, "r")) != NULL) {
+               if (fgets(line, 63, fh) != NULL) {
+                       line[63] = '\0';
+                       hiscore = atol(line);
+               }
+               if (fgets(line, 63, fh) != NULL) {
+                       line[63] = '\0';
+                       hilevel = atoi(line);
+               }
+               (void)fclose(fh);
+       }
+}
+
+/* XXX Should ideally save in a new unique file and rename for safety */
+void highScoreSave(void)
+{
+       FILE *fh;
+
+       if (highscorefullpath == NULL)
+               return;
+
+       if ((fh = fopen(highscorefullpath, "w")) != NULL) {
+               (void)fprintf(fh, "%ld\n", hiscore);
+               (void)fprintf(fh, "%d\n", hilevel);
+               (void)fclose(fh);
+       }
+}
diff --git a/nInvaders.h b/nInvaders.h
index 7400d98..30077b1 100644 (file)
--- a/nInvaders.h
+++ b/nInvaders.h
@@ -63,4 +63,6 @@ extern void showVersion(void);
 extern void showGplShort(void);
 extern void showGpl(void);
 
 extern void showGplShort(void);
 extern void showGpl(void);
 
+void highScoreSave(void);
+
 #endif
 #endif
diff --git a/view.c b/view.c
index d3add9e..84531c7 100644 (file)
--- a/view.c
+++ b/view.c
@@ -494,6 +494,7 @@ void titleScreenDisplay(void)
                if (score > hiscore) {
                        hiscore = score;
                        hilevel = level;
                if (score > hiscore) {
                        hiscore = score;
                        hilevel = level;
+                       highScoreSave();
                }
        }
        if (hiscore != 0) {
                }
        }
        if (hiscore != 0) {
Mondor's fork of ninvaders-0.1.1, a Curses/ASCII/ANSI Space Invaders inspired game.