MachContinentMap: Fix transparency blending on map save-load

WiredForWar · Apr 24, 2023 · 6ff7fce · 6ff7fce
1 parent 5d1609c
commit 6ff7fce
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/src/libdev/machgui/map.cpp b/src/libdev/machgui/map.cpp
@@ -1918,8 +1918,15 @@ void MachContinentMap::saveGame(PerOstream& outStream)
  mapVisibleArea_.width() / MachGui::uiScaleFactor(),
  mapVisibleArea_.height() / MachGui::uiScaleFactor(),
  mapVisibleArea_);
+ visibleArea.filledRectangle(RenSurface::Rect(0, 0, visibleArea.width(), visibleArea.height()), Gui::BLACK());
+
+ GLint blendSrc, blendDst;
+ glGetIntegerv(GL_BLEND_SRC_ALPHA, &blendSrc);
+ glGetIntegerv(GL_BLEND_DST_ALPHA, &blendDst);
+ glBlendFunc(GL_ONE, GL_ZERO);
 
  visibleArea.stretchBlit(mapVisibleArea_);
+ glBlendFunc(blendSrc, blendDst);
  visibleArea.write(outStream);
  }
 }