add const for methods return values.

4 files changed, 7 insertions, 6 deletions

diff --git a/src/resources/action.cpp b/src/resources/action.cpp
index b4426daae..9b4d4b57a 100644
--- a/src/resources/action.cpp
+++ b/src/resources/action.cpp
@@ -40,7 +40,7 @@ Action::~Action()
     delete_all(mAnimations);
 }
 
-Animation *Action::getAnimation(int direction) const
+const Animation *Action::getAnimation(int direction) const
 {
     Animations::const_iterator i = mAnimations.find(direction);
 
diff --git a/src/resources/action.h b/src/resources/action.h
index 16f3d96d5..c3b4852b3 100644
--- a/src/resources/action.h
+++ b/src/resources/action.h
@@ -43,7 +43,7 @@ class Action final
 
         void setAnimation(const int direction, Animation *const animation);
 
-        Animation *getAnimation(int direction) const A_WARN_UNUSED;
+        const Animation *getAnimation(int direction) const A_WARN_UNUSED;
 
         unsigned getNumber() const A_WARN_UNUSED
         { return mNumber; }
diff --git a/src/resources/iteminfo.cpp b/src/resources/iteminfo.cpp
index b4d1d5a69..dd86e3196 100644
--- a/src/resources/iteminfo.cpp
+++ b/src/resources/iteminfo.cpp
@@ -236,7 +236,8 @@ const std::string ItemInfo::replaceColors(std::string str,
     return replaceAll(str, "%Color%", name);
 }
 
-SpriteToItemMap *ItemInfo::getSpriteToItemReplaceMap(const int direction) const
+const SpriteToItemMap *ItemInfo::getSpriteToItemReplaceMap(const int direction)
+                                                           const
 {
     if (direction < 0 || direction >= 10)
         return nullptr;
diff --git a/src/resources/iteminfo.h b/src/resources/iteminfo.h
index 292089dc5..71a6119af 100644
--- a/src/resources/iteminfo.h
+++ b/src/resources/iteminfo.h
@@ -238,7 +238,7 @@ class ItemInfo final
         void setSpriteOrder(int *const ptr, const int direction,
                             const int n, const int def = -1) const;
 
-        std::map<int, int> getTags() const A_WARN_UNUSED
+        const std::map<int, int> &getTags() const A_WARN_UNUSED
         { return mTags; }
 
         void addTag(const int tag)
@@ -272,8 +272,8 @@ class ItemInfo final
         std::map<int, int> *addReplaceSprite(const int sprite,
                                              const int direction);
 
-        SpriteToItemMap *getSpriteToItemReplaceMap(const int directions)
-                                                   const A_WARN_UNUSED;
+        const SpriteToItemMap *getSpriteToItemReplaceMap(const int directions)
+                                                         const A_WARN_UNUSED;
 
         std::string getDyeColorsString(const int color) const A_WARN_UNUSED;