From bee32afaec49257b2c24c8f5c1b78a0e907b46e9 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 1 Aug 2026 12:10:43 +0200
Subject: [PATCH] los:: los mode disables achievements/separates scores

---
 achievement.cpp |  1 +
 yendor.cpp      | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/achievement.cpp b/achievement.cpp
index 30f9805d..51da025c 100644
--- a/achievement.cpp
+++ b/achievement.cpp
@@ -139,6 +139,7 @@ EX bool wrongMode(char flags) {
     }
   if(ineligible_starting_land && !flags) return true;
   if(use_custom_land_list) return true;
+  if(lineofsight != los::none || lineofsightAt >= PURELOS_LEVEL) return true;
 
   if(shmup::on != (flags == rg::shmup || flags == rg::racing)) return true;
   if(racing::on != (flags == rg::racing)) return true;
diff --git a/yendor.cpp b/yendor.cpp
index a12db633..6529c933 100644
--- a/yendor.cpp
+++ b/yendor.cpp
@@ -1092,6 +1092,11 @@ EX void save_mode_data(hstream& f) {
         }
       }
     }
+  if(lineofsight != los::none || lineofsightAt >= PURELOS_LEVEL) {
+    f.write<char>(9);
+    f.write<char>((char) lineofsight);
+    f.write<char>(lineofsightAt >= PURELOS_LEVEL);
+    }
   }
 
 EX eLandStructure get_default_land_structure() {
@@ -1121,6 +1126,8 @@ EX void other_settings_default() {
   horodisk_from = -2;
   randomwalk_size = 10;
   landscape_div = 25;
+  lineofsight = los::none;
+  lineofsightAt = 0;
   }
 
 EX void load_mode_data_with_zero(hstream& f) {
@@ -1198,6 +1205,11 @@ EX void load_mode_data_with_zero(hstream& f) {
         break;
         }
 
+      case 9: {
+        lineofsight = (los) f.get<char>();
+        lineofsightAt = f.get<char>() ? PURELOS_LEVEL : 0;
+        }
+
       default:
         throw hstream_exception("wrong option");
       }