add get hills

src/utils.cpp

@@ -0,0 +1,25 @@
+#include <stdexcept>
+#include "utils.hpp"
+#include "SDL_image.h"
+#include "data/hills.hpp"
+
+
+std::vector<SDL_Surface *> get_hills() {
+    std::vector<SDL_Surface *> surfaces;
+
+    for (int i = 0; i < hills_length; i++) {
+        HillData png = hills[i];
+        SDL_RWops *rw = SDL_RWFromMem(const_cast<unsigned char *>(png.data), png.length);
+        if (!rw)
+            throw std::runtime_error("Failed to create RWops from memory");
+
+        SDL_Surface *surface = IMG_Load_RW(rw, 1);
+        if (!surface) {
+            SDL_RWclose(rw);
+            throw std::runtime_error("Failed to load image from memory: " + std::string(IMG_GetError()));
+        }
+        surfaces.push_back(surface);
+    }
+
+    return surfaces;
+}

src/utils.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
-
-#include <cstddef>
+#include <vector>
+#include "SDL_surface.h"
 
 template<typename T>
 constexpr size_t array_len(T *array[]) {
@@ -10,3 +10,5 @@ constexpr size_t array_len(T *array[]) {
         i++;
     return i;
 }
+
+std::vector<SDL_Surface*> get_hills();