Viewport: Cache landscape pixels in map mode

Avoid invalidating landscape pixels for non-landscape updates (vehicles, overlays, etc.)
2020-10-01 23:11:15 +01:00
parent 8071976b0e
commit a474e71243
23 changed files with 268 additions and 143 deletions
--- a/src/viewport_gui.cpp
+++ b/src/viewport_gui.cpp
@@ -144,7 +144,7 @@ public:
 	{
 		if (_ctrl_pressed) {
 			/* Cycle through the drawing modes */
-			this->viewport->map_type = ChangeRenderMode(this->viewport, wheel < 0);
+			ChangeRenderMode(this->viewport, wheel < 0);
 			this->SetDirty();
 		} else if (_settings_client.gui.scrollwheel_scrolling != 2) {
 			ZoomInOrOutToCursorWindow(wheel < 0, this);