Editor now renders a tiled background image

1 files changed, 27 insertions, 0 deletions

@@ -1,4 +1,5 @@
 #include "editor.h"
+#include "consts.h"
 
 void Editor::tick(
   double dt,
@@ -9,5 +10,31 @@ void Editor::tick(
 
 void Editor::render(SDL_Renderer* ren)
 {
+  if (!background_)
+  {
+    surface_ptr bgSurf(IMG_Load("../res/editor_bg.png"));
 
+    if (!bgSurf)
+    {
+      throw img_error();
+    }
+
+    background_.reset(SDL_CreateTextureFromSurface(ren, bgSurf.get()));
+    bgSize_ = { bgSurf->w, bgSurf->h };
+  }
+
+  for (int y = 0; y < WINDOW_SIZE.h() / bgSize_.h(); y++)
+  {
+    for (int x = 0; x < WINDOW_SIZE.w() / bgSize_.w(); x++)
+    {
+      SDL_Rect rect {
+        x * bgSize_.w(),
+        y * bgSize_.h(),
+        bgSize_.w(),
+        bgSize_.h()
+      };
+
+      SDL_RenderCopy(ren, background_.get(), nullptr, &rect);
+    }
+  }
 }