Skeleton of JSON stats writer

.gitignore

@@ -14,3 +14,4 @@ server-init.cfg
 .deps
 .libs
 src/mod/discord/discord.so
+src/.cache

src/mod/statswriter.cpp

@@ -0,0 +1,70 @@
+/*
+ * remod:    statswriter.cpp
+ * date:     2025
+ * author:   degrave
+ *
+ * JSON stats writer
+ */
+
+#include "remod.h"
+#include "tools.h"
+
+EXTENSION(STATSWRITER);
+
+namespace remod {
+namespace statswriter {
+struct playerinfo {
+  const char *name;
+  const char *authname;
+  unsigned int connect_seconds;
+  const char *team;
+  int privilege;
+  int frags, flags, deaths, teamkills, shotdamage, damage;
+  float effectiveness;
+  int suicides;
+  struct {
+    int shotdamage;
+    int damage;
+  } guninfo[NUMGUNS];
+};
+struct teaminfo {
+  const char *team;
+  int score;
+};
+struct gameinfo {
+  int mode;
+  const char *mapname;
+};
+struct stats {
+  vector<playerinfo> players;
+  vector<teaminfo> teams;
+  struct gameinfo game;
+};
+
+void write_game(stream *statsfile, gameinfo game) {
+  statsfile->printf("\"game\":{\"mode\": %d, \"map\": \"%s\"}", game.mode,
+                    game.mapname);
+}
+
+void write_teams(stream *statsfile, gameinfo game) {
+  // TODO
+}
+
+void write_players(stream *statsfile, gameinfo game) {
+  // TODO
+}
+
+void write(const char *path, stats stats) {
+  stream *statsfile = openfile(path, "wb");
+  if (!statsfile) {
+    conoutf("could not write stats to \"%s\"", path);
+    return;
+  }
+
+  statsfile->printf("{");
+  write_game(statsfile, stats.game);
+  statsfile->printf("}");
+};
+
+} // namespace statswriter
+} // namespace remod