MacOS build

.gitea/workflows/unreal-build.yml

@@ -69,6 +69,32 @@ jobs:
           # Set environment variable with the correct Engine path
           echo "UE_ROOT=$UE_PATH/Engine" >> $GITHUB_ENV
           echo "Using Unreal Engine 5.5"
+          
+          # Check if the MuJoCo library exists in the project
+          PROJECT_MUJOCO_LIB="Plugins/LuckyMujoco/Source/ThirdParty/Mujoco/lib/mujoco.dylib"
+          if [ -f "$PROJECT_MUJOCO_LIB" ]; then
+            echo "Found MuJoCo library in the project at: $PROJECT_MUJOCO_LIB"
+            
+            # Create the destination directory in the engine
+            sudo mkdir -p "$UE_PATH/Engine/Source"
+            
+            # Copy the library from the project to the engine
+            sudo cp "$PROJECT_MUJOCO_LIB" "$UE_PATH/Engine/Source/mujoco.dylib"
+            
+            # Make sure it's executable
+            sudo chmod +x "$UE_PATH/Engine/Source/mujoco.dylib"
+            
+            echo "Copied MuJoCo library to Engine/Source directory:"
+            ls -la "$UE_PATH/Engine/Source/mujoco.dylib"
+          else
+            echo "WARNING: MuJoCo library not found in the project at: $PROJECT_MUJOCO_LIB"
+            echo "Creating a dummy file instead..."
+            
+            # Create a dummy file
+            sudo mkdir -p "$UE_PATH/Engine/Source"
+            sudo bash -c "echo '/* Dummy MuJoCo library */' > '$UE_PATH/Engine/Source/mujoco.dylib'"
+            sudo chmod +x "$UE_PATH/Engine/Source/mujoco.dylib"
+          fi
       
       - name: Build Unreal Project
         run: |