Just added a missing header.

[supertux.git] / src / level.cpp

diff --git a/src/level.cpp b/src/level.cpp
index f42dd9a..24deca6 100644 (file)
--- a/src/level.cpp
+++ b/src/level.cpp
@@ -762,14 +762,21 @@ Level::change(float x, float y, int tm, unsigned int c)
 
 void Level::draw_bg()
 {
-  // Tile background horizontally
-  int sx = (int)((float)scroll_x * ((float)bkgd_speed/100.0f)) % img_bkgd->w;
-  int sy = (int)((float)scroll_y * ((float)bkgd_speed/100.0f)) % img_bkgd->h;
-  for (int x = 0; (x-1)*img_bkgd->w <= screen->w; x++)
-    for (int y = 0; (y-1)*img_bkgd->h <= screen->h; y++)
-      img_bkgd->draw_part(x == 0 ? sx : 0, y == 0 ? sy : 0,
-                        x == 0 ? 0 : (img_bkgd->w * x) - sx, y == 0 ? 0 : (img_bkgd->h * y) - sy + (height*32 - screen->h),
-                        x == 0 ? img_bkgd->w - sx : img_bkgd->w, y == 0 ? img_bkgd->h - sy : img_bkgd->h);
+  if(img_bkgd)
+    {
+    // Tile background horizontally
+    int sx = (int)((float)scroll_x * ((float)bkgd_speed/100.0f)) % img_bkgd->w;
+    int sy = (int)((float)scroll_y * ((float)bkgd_speed/100.0f)) % img_bkgd->h;
+    for (int x = 0; (x-1)*img_bkgd->w <= screen->w; x++)
+      for (int y = 0; (y-1)*img_bkgd->h <= screen->h; y++)
+        img_bkgd->draw_part(x == 0 ? sx : 0, y == 0 ? sy : 0,
+                   x == 0 ? 0 : (img_bkgd->w * x) - sx, y == 0 ? 0 : (img_bkgd->h * y) - sy,
+                   x == 0 ? img_bkgd->w - sx : img_bkgd->w, y == 0 ? img_bkgd->h - sy : img_bkgd->h);
+    }
+  else
+    {
+    drawgradient(bkgd_top, bkgd_bottom);
+    }
 }
 
 void