Show current atlases count in debug window.

If use too many images, atlase can be split to more than one.
And this is performance issue.

4 files changed, 22 insertions, 8 deletions

diff --git a/src/resources/loaders/atlasloader.cpp b/src/resources/loaders/atlasloader.cpp
index 6ca23ddea..aa2585b27 100644
--- a/src/resources/loaders/atlasloader.cpp
+++ b/src/resources/loaders/atlasloader.cpp
@@ -52,11 +52,13 @@ struct AtlasLoader final
     }
 };
 
-Resource *Loader::getAtlas(const std::string &name,
-                           const StringVect &files)
+AtlasResource *Loader::getAtlas(const std::string &name,
+                                const StringVect &files)
 {
     AtlasLoader rl = { name, &files };
-    return ResourceManager::get("atlas_" + name, AtlasLoader::load, &rl);
+    return static_cast<AtlasResource*>(ResourceManager::get(
+        "atlas_" + name,
+        AtlasLoader::load, &rl));
 }
 
 #endif  // USE_OPENGL
diff --git a/src/resources/loaders/atlasloader.h b/src/resources/loaders/atlasloader.h
index 50d078626..c7cdabae5 100644
--- a/src/resources/loaders/atlasloader.h
+++ b/src/resources/loaders/atlasloader.h
@@ -26,12 +26,12 @@
 
 #include "localconsts.h"
 
-class Resource;
+class AtlasResource;
 
 namespace Loader
 {
-    Resource *getAtlas(const std::string &name,
-                       const StringVect &files) A_WARN_UNUSED;
+    AtlasResource *getAtlas(const std::string &name,
+                            const StringVect &files) A_WARN_UNUSED;
 }  // namespace Loader
 
 #endif  // USE_OPENGL
diff --git a/src/resources/map/map.cpp b/src/resources/map/map.cpp
index 1e97597bf..c9636183e 100644
--- a/src/resources/map/map.cpp
+++ b/src/resources/map/map.cpp
@@ -42,6 +42,8 @@
 
 #include "resources/ambientlayer.h"
 
+#include "resources/atlas/atlasresource.h"
+
 #include "resources/image/subimage.h"
 
 #include "resources/loaders/imageloader.h"
@@ -1791,3 +1793,10 @@ int Map::calcMemoryChilds(const int level) const
         mHeights->calcMemory(level + 1);
     return sz;
 }
+
+int Map::getAtlasCount() const restrict2
+{
+    if (mAtlas == nullptr)
+        return 0;
+    return CAST_S32(mAtlas->atlases.size());
+}
diff --git a/src/resources/map/map.h b/src/resources/map/map.h
index fbb3e43da..a3397ad2e 100644
--- a/src/resources/map/map.h
+++ b/src/resources/map/map.h
@@ -42,6 +42,7 @@
 #include "resources/map/properties.h"
 
 class AmbientLayer;
+class AtlasResource;
 class MapHeights;
 class MapItem;
 class MapLayer;
@@ -283,6 +284,8 @@ class Map final : public Properties,
         int getActorsCount() const restrict2 A_WARN_UNUSED
         { return CAST_S32(mActors.size()); }
 
+        int getAtlasCount() const restrict2 A_WARN_UNUSED;
+
         void setPvpMode(const int mode) restrict2;
 
         int getPvpMode() const restrict2 noexcept2 A_WARN_UNUSED
@@ -327,7 +330,7 @@ class Map final : public Properties,
                                             restrict2 noexcept2 A_WARN_UNUSED
         { return mTileAnimations; }
 
-        void setAtlas(Resource *restrict const atlas) restrict2 noexcept2
+        void setAtlas(AtlasResource *restrict const atlas) restrict2 noexcept2
         { mAtlas = atlas; }
 
         const MetaTile *getMetaTiles() const restrict2 noexcept2
@@ -483,7 +486,7 @@ class Map final : public Properties,
         int mDrawScrollX;
         int mDrawScrollY;
         int mMask;
-        Resource *mAtlas;
+        AtlasResource *mAtlas;
         const MapHeights *mHeights;
         bool mRedrawMap;
         bool mBeingOpacity;