Rendering of level map moved to Level class

1 files changed, 40 insertions, 0 deletions

@@ -0,0 +1,40 @@
+#include "level.h"
+
+texture_ptr Level::render(SDL_Renderer* ren, Layer layer) const
+{
+  texture_ptr canvas(
+    SDL_CreateTexture(
+      ren,
+      SDL_PIXELFORMAT_RGBA8888,
+      SDL_TEXTUREACCESS_TARGET,
+      WINDOW_SIZE.w(),
+      WINDOW_SIZE.h()));
+
+  SDL_SetRenderTarget(ren, canvas.get());
+
+  for (size_t y = 0; y < size_.h(); y++)
+  {
+    for (size_t x = 0; x < size_.w(); x++)
+    {
+      if (layer == Layer::map)
+      {
+        int val = 255 - at(x, y) * 10;
+
+        SDL_SetRenderDrawColor(ren, val, val, val, 255);
+
+        SDL_Rect rect {
+          static_cast<int>(x * TILE_SIZE.w()),
+          static_cast<int>(y * TILE_SIZE.h()),
+          TILE_SIZE.w(),
+          TILE_SIZE.h()
+        };
+
+        SDL_RenderFillRect(ren, &rect);
+      }
+    }
+  }
+
+  SDL_SetRenderTarget(ren, nullptr);
+
+  return canvas;
+}