fix issue with shader compiler

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.25)
 
-set(BLT_GRAPHICS_VERSION 0.9.3)
+set(BLT_GRAPHICS_VERSION 0.9.4)
 set(BLT_GRAPHICS_TEST_VERSION 0.0.1)
 
 project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION})

include/blt/gfx/shader.h

@@ -152,6 +152,7 @@ namespace blt::gfx
             
             static unsigned int createShader(const std::string& source, int type);
             
+            static std::string loadShader(std::string_view file);
         public:
             /**
              * Creates a shader

libraries/BLT

@@ -1 +1 @@
-Subproject commit 0ec0548661bbacbe7849b37c4019693dbfb47279
+Subproject commit 9db3f120489ff27aa560e488d82b5ae0d64019df

src/blt/gfx/shader.cpp

@@ -93,6 +93,7 @@ namespace blt::gfx
         // loads the shader code for later complication and uploading into the graphics card
         // TODO: defines can be added here by sending them as additional strings. No need to edit the source string
         glShaderSource(shaderID, 1, &shader_code, nullptr);
+        
         // Compile it
         glCompileShader(shaderID);
         
@@ -129,8 +130,8 @@ namespace blt::gfx
         if (!load_as_string)
         {
             // BLT provides a recursive file loader for glsl shaders. It's pretty much just a recursive function looking for include statements.
-            vertex_source = blt::fs::loadShaderFile(vertex);
-            fragment_source = blt::fs::loadShaderFile(fragment);
+            vertex_source = loadShader(vertex);
+            fragment_source = loadShader(fragment);
         } else
         {
             vertex_source = removeEmptyFirstLines(vertex_source);
@@ -221,6 +222,15 @@ namespace blt::gfx
         move.programID = -1;
     }
     
+    std::string shader_t::loadShader(std::string_view file)
+    {
+        auto lines = blt::fs::recursiveInclude(file);
+        std::string str;
+        for (const auto& v : lines)
+            str += v;
+        return str;
+    }
+    
     shader_base_t& shader_base_t::setBool(const std::string& name, bool value)
     {
         if (auto i = getUniformLocation(name))