pass --tier to encounters via put_int, fix run_visual signature

Author: valtterivalo

pufferlib/ocean/osrs_pvp/osrs_pvp.c

@@ -136,7 +136,7 @@ static void replay_free(ReplayFile* rf) {
     if (rf) { free(rf->actions); free(rf); }
 }
 
-static void run_visual(OsrsPvp* env, const char* encounter_name, const char* replay_path) {
+static void run_visual(OsrsPvp* env, const char* encounter_name, const char* replay_path, int gear_tier) {
     env->client = NULL;
 
     /* set up encounter if specified, otherwise default to PvP */
@@ -149,6 +149,8 @@ static void run_visual(OsrsPvp* env, const char* encounter_name, const char* rep
         env->encounter_def = (void*)edef;
         env->encounter_state = edef->create();
         edef->put_int(env->encounter_state, "seed", 42);
+        /* pass gear tier to encounter (--tier flag, default 0) */
+        if (gear_tier >= 0) edef->put_int(env->encounter_state, "gear_tier", gear_tier);
 
         /* load encounter-specific collision map.
            world offset translates encounter-local (0,0) → world coords for cmap lookup.
@@ -490,7 +492,7 @@ int main(int argc, char** argv) {
         env.ocean_obs = env._obs_buf;
         env.ocean_rew = env.rewards;
         env.ocean_term = env.terminals;
-        run_visual(&env, encounter_name, replay_path);
+        run_visual(&env, encounter_name, replay_path, gear_tier);
         pvp_close(&env);
 #else
         fprintf(stderr, "not compiled with visual support (use: make visual)\n");