step 2: banner_scene substituix doBanner() (piràmides 2-5) + helper playMusic compartit

source/game/modulesequence.cpp

@@ -45,12 +45,7 @@ int ModuleSequence::Go() {
         case 7:
             doSlides();
             break;
-        case 2:  // Pre-pir<EFBFBD>mide
-        case 3:
-        case 4:
-        case 5:
-            doBanner();
-            break;
+        // case 2..5 (Pre-piràmide) → migrat a scenes::BannerScene.
         case 6:  // Pre-Secreta
             doSecreta();
             break;
@@ -1092,50 +1087,7 @@ void ModuleSequence::doSlides() {
     free(pal_aux);
 }
 
-void ModuleSequence::doBanner() {
-    play_music("00000004.ogg");
-
-    this->contador = 5000;
-
-    JD8_Surface gfx = JD8_LoadSurface("ffase.gif");
-    JD8_Palette pal = JD8_LoadPalette("ffase.gif");
-
-    JD8_ClearScreen(0);
-
-    JD8_Blit(81, 24, gfx, 81, 155, 168, 21);
-    JD8_Blit(39, 150, gfx, 39, 175, 248, 20);
-
-    switch (info::ctx.num_piramide) {
-        case 2:
-            JD8_Blit(82, 60, gfx, 0, 0, 160, 75);
-            break;
-        case 3:
-            JD8_Blit(82, 60, gfx, 160, 0, 160, 75);
-            break;
-        case 4:
-            JD8_Blit(82, 60, gfx, 0, 75, 160, 75);
-            break;
-        case 5:
-            JD8_Blit(82, 60, gfx, 160, 75, 160, 75);
-            break;
-    }
-    JD8_FadeToPal(pal);
-
-    bool exit = false;
-    while (!exit && !JG_Quitting()) {
-        if (JG_ShouldUpdate()) {
-            JI_Update();
-
-            if (JI_AnyKey()) {
-                exit = true;
-            }
-
-            contador--;
-            if (contador == 0) exit = true;
-        }
-    }
-    JA_FadeOutMusic(250);
-}
+// doBanner() — migrat a scenes::BannerScene (source/scenes/banner_scene.cpp)
 
 void ModuleSequence::doSecreta() {
     play_music("00000002.ogg");