skins: SkinManager + hot-swap (F7), classic/nes a data/skins/

source/core/resources/asset.cpp

@@ -6,6 +6,7 @@
 #include <iostream>  // for basic_ostream, operator<<, cout, endl
 
 #include "core/resources/resource_helper.h"
+#include "core/resources/skin_manager.hpp"
 
 // Instancia única
 Asset *Asset::instance = nullptr;
@@ -41,6 +42,30 @@ void Asset::add(const std::string &file, Type type, bool required, bool absolute
     longest_name_ = SDL_max(longest_name_, FILE_NAME.size());
 }
 
+// Afegeix un asset gfx skin-aware: el path complet es composa via
+// SkinManager (que ja inclou el PREFIX de plataforma) i guardem el
+// basename per a poder-lo recomposar quan canviï la skin activa.
+void Asset::addSkinAware(const std::string &basename, Type type, bool required) {
+    Item temp;
+    temp.file = executable_path_ + SkinManager::get()->gfxPath(basename);
+    temp.type = type;
+    temp.required = required;
+    temp.skin_basename = basename;
+    file_list_.push_back(temp);
+
+    longest_name_ = SDL_max(longest_name_, basename.size());
+}
+
+// Recomposa els paths dels items skin-aware amb l'skin actual del
+// SkinManager. Cridat per Resource::reloadForSkin després d'un canvi.
+void Asset::onSkinChanged() {
+    for (auto &it : file_list_) {
+        if (!it.skin_basename.empty()) {
+            it.file = executable_path_ + SkinManager::get()->gfxPath(it.skin_basename);
+        }
+    }
+}
+
 // Devuelve el fichero de un elemento de la lista a partir de una cadena
 auto Asset::get(const std::string &text) -> std::string {
     for (const auto &f : file_list_) {