keep scores and settings in SRAM

[gbajam22] / src / scoredb.h

diff --git a/src/scoredb.h b/src/scoredb.h
new file mode 100644 (file)
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--- /dev/null
+++ b/src/scoredb.h
@@ -0,0 +1,42 @@
+/*
+Score-keeping for GBA with SRAM cartridge (originally part of gbatris)
+Copyright (C) 2019-2022  John Tsiombikas <nuclear@member.fsf.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#ifndef SCOREDB_H_
+#define SCOREDB_H_
+
+#define NAME_SIZE      4
+
+struct score_entry {
+       char name[8];
+       uint32_t time;
+       uint16_t score;
+       uint8_t level, unused;
+} __attribute__((packed));
+
+/* last entry is used just to keep the last entered name
+ * and present it as a default choice in the highscore UI
+ */
+struct score_entry scores[11];
+
+int last_score_rank;
+
+int load_scores(void);
+void save_scores(void);
+void save_score(char *name, int score, int time, int level);
+int is_highscore(int score);
+
+#endif /* SCOREDB_H_ */