Implementado el cambio de pantalla

source/map.cpp

@@ -8,7 +8,7 @@ Map::Map(std::string file, SDL_Renderer *renderer, Asset *asset)
     map_width = 40;
     map_height = 26;
     tileset_width = 32;
-    
+
     // Copia los punteros a objetos
     this->asset = asset;
     this->renderer = renderer;
@@ -223,9 +223,11 @@ void Map::render()
 }
 
 // Devuelve el tipo de tile que hay en un punto
-t_tile_map Map::getTile(SDL_Point p)
+e_tile_map Map::getTile(SDL_Point p)
 {
-    const int tile = tilemap[((p.y / tile_size) * map_width) + (p.x / tile_size)];
+    const int x = std::max(getPlayArea(b_left), (std::min(p.x, getPlayArea(b_right))));
+    const int y = std::max(getPlayArea(b_top), (std::min(p.y, getPlayArea(b_bottom))));
+    const int tile = tilemap[((y / tile_size) * map_width) + (x / tile_size)];
     const int png_width = 32;
 
     if (tile >= 0 && tile < 8 * png_width)
@@ -240,6 +242,8 @@ t_tile_map Map::getTile(SDL_Point p)
     {
         return passable;
     }
+
+    return nothing;
 }
 
 // Devuelve el valor de la variable
@@ -252,4 +256,60 @@ int Map::getTileSize()
 int Map::getTileIndex(SDL_Point p)
 {
     return tilemap[((p.y / tile_size) * map_width) + (p.x / tile_size)];
+}
+
+// Devuelve el valor de los bordes de la zona de juego
+int Map::getPlayArea(e_border border)
+{
+    switch (border)
+    {
+    case b_top:
+        return 0;
+        break;
+
+    case b_left:
+        return 0;
+        break;
+
+    case b_right:
+        return tile_size * map_width;
+        break;
+
+    case b_bottom:
+        return tile_size * map_height;
+        break;
+
+    default:
+        break;
+    }
+
+    return -1;
+}
+
+// Devuelve el nombre del fichero de la habitación en funcion del borde
+std::string Map::getRoomFileName(e_border border)
+{
+    switch (border)
+    {
+    case b_top:
+        return room_up;
+        break;
+
+    case b_left:
+        return room_left;
+        break;
+
+    case b_right:
+        return room_right;
+        break;
+
+    case b_bottom:
+        return room_down;
+        break;
+
+    default:
+        break;
+    }
+
+    return "";
 }