Shader loading error text fix

src/assets/asset_loaders.cpp

@@ -2,6 +2,7 @@
 
 #include <iostream>
 #include "Assets.h"
+#include "../files/files.h"
 #include "../coders/png.h"
 #include "../graphics/Shader.h"
 #include "../graphics/Texture.h"
@@ -17,8 +18,8 @@ using std::filesystem::path;
 namespace fs = std::filesystem;
 
 bool assetload::texture(Assets* assets, 
-                        const path& filename, 
-                        const string& name) {
+                        const path filename, 
+                        const string name) {
 	Texture* texture = png::load_texture(filename.string());
 	if (texture == nullptr) {
 		std::cerr << "failed to load texture '" << name << "'" << std::endl;
@@ -29,10 +30,18 @@ bool assetload::texture(Assets* assets,
 }
 
 bool assetload::shader(Assets* assets, 
-                        const path& filename, 
+                        const path filename, 
                         const string& name) {
-	Shader* shader = Shader::loadShader(filename.string() + ".glslv", 
-                                        filename.string() + ".glslf");
+    path vertexFile = filename;
+    path fragmentFile = filename;
+    vertexFile.append(".glslv");
+    fragmentFile.append(".glslf");
+    
+    string vertexSource = files::read_string(vertexFile);
+    string fragmentSource = files::read_string(fragmentFile);
+
+	Shader* shader = Shader::loadShader(vertexFile, fragmentFile,
+                                        vertexSource, fragmentSource);
 	if (shader == nullptr) {
 		std::cerr << "failed to load shader '" << name << "'" << std::endl;
 		return false;
@@ -42,8 +51,8 @@ bool assetload::shader(Assets* assets,
 }
 
 bool assetload::atlas(Assets* assets, 
-                        const path& directory, 
-                        const string& name) {
+                        const path directory, 
+                        const string name) {
 	AtlasBuilder builder;
 	for (const auto& entry : fs::directory_iterator(directory)) {
 		path file = entry.path();
@@ -60,8 +69,8 @@ bool assetload::atlas(Assets* assets,
 }
 
 bool assetload::font(Assets* assets, 
-                        const path& filename, 
-                        const string& name) {
+                        const path filename, 
+                        const string name) {
 	vector<Texture*> pages;
 	for (size_t i = 0; i <= 4; i++) {
         string name = filename.string() + "_" + std::to_string(i) + ".png";