load lua init script from file

CMakeLists.txt

@@ -102,6 +102,12 @@ set(SANDBOX_SOURCES
 add_executable(sandbox ${SANDBOX_SOURCES})
 target_link_libraries(sandbox PRIVATE voxel-engine)
 
+add_custom_command(TARGET sandbox POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy_directory
+    ${CMAKE_SOURCE_DIR}/sandbox/assets/scripts
+    ${CMAKE_BINARY_DIR}/assets/scripts
+)
+
 # Enable precompiled headers - specify C++ explicitly
 target_precompile_headers(voxel-engine
   PRIVATE

sandbox/assets/scripts/init.lua

@@ -0,0 +1,8 @@
+-- Initialize Lua environment
+if not engine then
+    error("Engine API not available")
+end
+
+-- Set default terrain parameters
+engine.setTerrainHeight(10.0)
+engine.log("Lua environment initialized")

sandbox/src/SandboxApp.cpp

@@ -1,5 +1,7 @@
 #include "SandboxApp.h"
 #include <imgui.h>
+#include <fstream>
+#include <sstream>
 
 SandboxApp::SandboxApp() : Application() {
     // Check script system first
@@ -27,24 +29,23 @@ SandboxApp::SandboxApp() : Application() {
         });
     }
 
-    // Initialize with default script
+    // Initialize with init.lua script
     try {
-        const std::string initScript = R"(
-            -- Initialize Lua environment
-            if not engine then
-                error("Engine API not available")
-            end
-
-            -- Set default terrain parameters
-            engine.setTerrainHeight(10.0)
-            engine.log("Lua environment initialized")
-        )";
+        std::string scriptPath = "build/assets/scripts/init.lua";
+        std::ifstream scriptFile(scriptPath);
+        if (!scriptFile.is_open()) {
+            LOG_ERROR_CONCAT("Failed to open init.lua at path: ", scriptPath);
+            return;
+        }
+
+        std::stringstream scriptBuffer;
+        scriptBuffer << scriptFile.rdbuf();
 
-        if (!scriptSystem->ExecuteScript(initScript)) {
+        if (!scriptSystem->ExecuteScript(scriptBuffer.str())) {
             LOG_ERROR("Failed to execute initialization script");
         }
     } catch (const std::exception& e) {
-        LOG_ERROR("Script initialization error: {}", e.what());
+        LOG_ERROR("Script initialization error: {", e.what(), "}");
     }
 }
 

src/Application.h

@@ -72,6 +72,8 @@ namespace Engine {
 
         virtual void OnImGuiRender() {}
 
+        const std::string& GetAssetPath() const { return m_AssetPath; }
+
     protected:
         /**
          * @brief Initialize the application window
@@ -187,6 +189,8 @@ namespace Engine {
         std::unique_ptr<LuaScriptSystem> m_ScriptSystem;
 
         static Application* s_Instance;
+
+        std::string m_AssetPath = "../sandbox/assets/";  // Base path for all assets
     };
 
     // To be defined by client application