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Update tab_singleplayer.lua 

This fixes the situation where it would give you "builtin/mainmenu/tab_singleplayer.lua:167: attempt to index a nil value" where you have nothing selected (for example, switch to minimal game, delete all your old worlds, and then click the toggle buttons for creative or damage).
This commit is contained in:
poet-nohit 2015-03-26 02:59:52 -06:00
parent a082f29bd1
commit 45a87269f3
1 changed files with 18 additions and 14 deletions
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32
builtin/mainmenu/tab_singleplayer.lua
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@ -150,29 +150,33 @@ local function main_button_handler(this, fields, name, tabdata)
if fields["cb_creative_mode"] then
core.setting_set("creative_mode", fields["cb_creative_mode"])
local selected = core.get_textlist_index("sp_worlds")
local filename = menudata.worldlist:get_list()[selected].path ..
DIR_DELIM .. "world.mt"
if selected ~= nil then
local filename = menudata.worldlist:get_list()[selected].path ..
DIR_DELIM .. "world.mt"
local worldfile = Settings(filename)
worldfile:set("creative_mode", fields["cb_creative_mode"])
if not worldfile:write() then
core.log("error", "Failed to write world config file")
local worldfile = Settings(filename)
worldfile:set("creative_mode", fields["cb_creative_mode"])
if not worldfile:write() then
core.log("error", "Failed to write world config file")
end
return true
end
return true
end
if fields["cb_enable_damage"] then
core.setting_set("enable_damage", fields["cb_enable_damage"])
local selected = core.get_textlist_index("sp_worlds")
local filename = menudata.worldlist:get_list()[selected].path ..
DIR_DELIM .. "world.mt"
if selected ~= nil then
local filename = menudata.worldlist:get_list()[selected].path ..
DIR_DELIM .. "world.mt"
local worldfile = Settings(filename)
worldfile:set("enable_damage", fields["cb_enable_damage"])
if not worldfile:write() then
core.log("error", "Failed to write world config file")
local worldfile = Settings(filename)
worldfile:set("enable_damage", fields["cb_enable_damage"])
if not worldfile:write() then
core.log("error", "Failed to write world config file")
end
return true
end
return true
end
if fields["play"] ~= nil or