Add support for high score tables, including the ability to generate

a (hopefully) unique ID for each game that we can use to match identical
records.

1 files changed, 50 insertions, 0 deletions

diff --git a/highscore.h b/highscore.h
new file mode 100644
index 0000000..bb531ee
--- /dev/null
+++ b/highscore.h
@@ -0,0 +1,50 @@
+/*
+ * highscore.h
+ */
+
+#ifndef HIGHSCORE_H
+#define HIGHSCORE_H 1
+
+#include <inttypes.h>
+
+#define PLAYER_LEN	11	/* Max length of player alias */
+#define MAX_BEST        100	/* Number of best_total to keep track of */
+#define MAX_LEVEL	75	/* Max levels to keep track of */
+#define MAX_PER_LEVEL	3	/* Max "bests" per level */
+
+struct best_total {
+  uint64_t gameid;		/* GameID */
+  int64_t score;		/* Final score */
+  int32_t endlvl;		/* Ending level (-1) */
+  unsigned char player[PLAYER_LEN+1]; /* Player alias */
+};
+
+struct best_level {
+  struct best_level_score {
+    uint64_t gameid;
+    int64_t score;
+  } score[MAX_PER_LEVEL];
+  struct best_level_time {
+    uint64_t gameid;
+    int32_t time_ms;
+  } time_ms[MAX_PER_LEVEL];
+};
+
+struct bests {
+  struct best_total total[MAX_BEST];
+  struct best_level level[MAX_LEVEL];
+};
+
+extern struct bests bests;
+
+#define NO_TIME	0x7fffffff	/* Max int32_t value */
+
+int highscore_add_total(uint64_t gameid, int64_t score, int endlvl, unsigned char **pptr);
+int highscore_add_level_score(uint64_t gameid, int lvl, int64_t score);
+int highscore_add_level_time(uint64_t gameid, int lvl, int32_t time_ms);
+void highscore_init(void);
+void highscore_parse(FILE *f);
+int highscore_write(FILE *f);
+
+
+#endif