Fixed screenshots

matchanovel/defold_gui/images.lua

@@ -138,16 +138,21 @@ function M.set_node_to_thumbnail(node_id, slot)
 		end
 	end
 	local loaded_screenshot = loaded_screenshots[slot]
-	if loaded_screenshot then
+	if loaded_screenshot and loaded_screenshot ~= "" then
 		local node = gui.get_node(node_id)
 		set_node_to_png_buffer(node, loaded_screenshot, node_id)
+		return true
+	else
+		return false
 	end
 end
 
 function M.save_cached_screenshot(slot)
-	local filename = save.get_path(slot, nil, nil, "png")
-	files.write_binary(filename, cached_screenshot)
-	loaded_screenshots[slot] = cached_screenshot
+	if cached_screenshot then
+		local filename = save.get_path(slot, nil, nil, "png")
+		files.write_binary(filename, cached_screenshot)
+		loaded_screenshots[slot] = cached_screenshot
+	end
 end
 
 

matchanovel/defold_gui/menu.gui_script

@@ -1203,7 +1203,14 @@ local function show_slot_as_written(page_slot, text)
 	end
 	--gui.play_flipbook(gui.get_node("save_"..page_slot.."/thumbnail"), "thumbnail")
 	gui.set_enabled(gui.get_node("save_"..page_slot.."/thumbnail"), true)
-	images.set_node_to_thumbnail("save_"..page_slot.."/thumbnail", slot)
+	local node_id = "save_"..page_slot.."/thumbnail"
+	local node = gui.get_node(node_id)
+	local thumbnail_loaded = images.set_node_to_thumbnail(node_id, slot)
+	if thumbnail_loaded then
+		gui.set_color(node, vmath.vector3(1, 1, 1))
+	else
+		gui.set_color(node, vmath.vector3(0.5, 0.5, 0.5))
+	end
 	--gui.animate(gui.get_node("save_"..page_slot.."/slot"), "color.w", 0.95, gui.EASING_INOUTSINE, 0.25)
 end