Build image repository from object images (#23640)

distribution/changelog.txt

@@ -5,6 +5,7 @@
 - Improved: [#20683] Allow Giga Coaster cable lift to start after block brake section.
 - Improved: [#23328] The costume list in the staff window is now ordered alphabetically.
 - Improved: [#23540] The file browser now optionally shows a file size column.
+- Improved: [#23640] Building sprite repository with command line can use images array of JSON parkobj.
 - Change: [#23328] All RCT2 entertainer costumes are now available in legacy parks.
 - Fix: [#1479] Incorrect values provided by the in game console “get location” command.
 - Fix: [#21794] Lay-down coaster cars reverse on first frames of downwards corkscrew.

src/openrct2/CommandLineSprite.cpp

@@ -537,6 +537,9 @@ int32_t CommandLineForSprite(const char** argv, int32_t argc)
             return -1;
         }
 
+        if (jsonSprites.is_object() && !jsonSprites["images"].is_null())
+            jsonSprites = jsonSprites["images"];
+
         if (!jsonSprites.is_array())
         {
             fprintf(stderr, "Error: expected array\n");
@@ -555,6 +558,8 @@ int32_t CommandLineForSprite(const char** argv, int32_t argc)
 
         json_t sprite_description;
 
+        uint32_t numSuccessful = 0;
+
         // Note: jsonSprite is deliberately left non-const: json_t behaviour changes when const
         for (auto& [jsonKey, jsonSprite] : jsonSprites.items())
         {
@@ -588,6 +593,8 @@ int32_t CommandLineForSprite(const char** argv, int32_t argc)
 
             if (!silent)
                 fprintf(stdout, "Added: %s\n", imagePath.c_str());
+
+            numSuccessful++;
         }
 
         if (!spriteFile.Save(spriteFilePath))
@@ -596,7 +603,7 @@ int32_t CommandLineForSprite(const char** argv, int32_t argc)
             return -1;
         }
 
-        fprintf(stdout, "Finished\n");
+        fprintf(stdout, "Finished building graphics repository with %u images\n", numSuccessful);
         return 1;
     }