Mark certain methods const

Author: tobbi

src/supertux/sector.cpp

@@ -172,7 +172,7 @@ Sector::finish_construction(bool editable)
 }
 
 SpawnPointMarker*
-Sector::get_spawn_point(const std::string& spawnpoint)
+Sector::get_spawn_point(const std::string& spawnpoint) const
 {
   SpawnPointMarker* sp = nullptr;
   for (auto& spawn_point : get_objects_by_type<SpawnPointMarker>()) {
@@ -186,7 +186,7 @@ Sector::get_spawn_point(const std::string& spawnpoint)
 }
 
 Vector
-Sector::get_spawn_point_position(const std::string& spawnpoint)
+Sector::get_spawn_point_position(const std::string& spawnpoint) const
 {
   SpawnPointMarker* sp = get_spawn_point(spawnpoint);
   if (sp)
@@ -317,11 +317,11 @@ Sector::deactivate()
 Rectf
 Sector::get_active_region() const
 {
-  Camera& camera = get_camera();
+  auto cam_translation = get_camera().get_translation();
   return Rectf(
-    camera.get_translation() - Vector(1600, 1200),
-    camera.get_translation() + Vector(1600, 1200) + Vector(static_cast<float>(SCREEN_WIDTH),
-                                                           static_cast<float>(SCREEN_HEIGHT)));
+    cam_translation - Vector(1600, 1200),
+    cam_translation + Vector(1600, 1200) + Vector(static_cast<float>(SCREEN_WIDTH),
+                                                  static_cast<float>(SCREEN_HEIGHT)));
 }
 
 int

src/supertux/sector.hpp

@@ -233,7 +233,7 @@ class Sector final : public Base::Sector
 
   std::vector<Player*> get_players() const;
 
-  Vector get_spawn_point_position(const std::string& spawnpoint);
+  Vector get_spawn_point_position(const std::string& spawnpoint) const;
 
 private:
   uint32_t collision_tile_attributes(const Rectf& dest, const Vector& mov) const;
@@ -247,7 +247,7 @@ class Sector final : public Base::Sector
       bonusblocks, add light to lava tiles) */
   void convert_tiles2gameobject();
 
-  SpawnPointMarker* get_spawn_point(const std::string& spawnpoint);
+  SpawnPointMarker* get_spawn_point(const std::string& spawnpoint) const;
 
 private:
   Level& m_level; // Parent level