mirror of
https://github.com/luanti-org/luanti.git
synced 2025-10-23 12:45:43 +02:00
45a87269f3
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).
277 lines
8.1 KiB
Lua
277 lines
8.1 KiB
Lua
--Minetest
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--Copyright (C) 2014 sapier
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--
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--This program is free software; you can redistribute it and/or modify
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--it under the terms of the GNU Lesser General Public License as published by
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--the Free Software Foundation; either version 2.1 of the License, or
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--(at your option) any later version.
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--
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--This program is distributed in the hope that it will be useful,
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--but WITHOUT ANY WARRANTY; without even the implied warranty of
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--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--GNU Lesser General Public License for more details.
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--
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--You should have received a copy of the GNU Lesser General Public License along
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--with this program; if not, write to the Free Software Foundation, Inc.,
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--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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local function current_game()
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local last_game_id = core.setting_get("menu_last_game")
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local game, index = gamemgr.find_by_gameid(last_game_id)
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return game
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end
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local function singleplayer_refresh_gamebar()
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local old_bar = ui.find_by_name("game_button_bar")
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if old_bar ~= nil then
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old_bar:delete()
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end
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local function game_buttonbar_button_handler(fields)
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for key,value in pairs(fields) do
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for j=1,#gamemgr.games,1 do
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if ("game_btnbar_" .. gamemgr.games[j].id == key) then
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mm_texture.update("singleplayer", gamemgr.games[j])
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core.set_topleft_text(gamemgr.games[j].name)
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core.setting_set("menu_last_game",gamemgr.games[j].id)
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menudata.worldlist:set_filtercriteria(gamemgr.games[j].id)
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return true
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end
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end
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end
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end
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local btnbar = buttonbar_create("game_button_bar",
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game_buttonbar_button_handler,
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{x=-0.3,y=5.65}, "horizontal", {x=12.4,y=1.15})
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for i=1,#gamemgr.games,1 do
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local btn_name = "game_btnbar_" .. gamemgr.games[i].id
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local image = nil
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local text = nil
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local tooltip = core.formspec_escape(gamemgr.games[i].name)
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if gamemgr.games[i].menuicon_path ~= nil and
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gamemgr.games[i].menuicon_path ~= "" then
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image = core.formspec_escape(gamemgr.games[i].menuicon_path)
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else
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local part1 = gamemgr.games[i].id:sub(1,5)
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local part2 = gamemgr.games[i].id:sub(6,10)
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local part3 = gamemgr.games[i].id:sub(11)
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text = part1 .. "\n" .. part2
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if part3 ~= nil and
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part3 ~= "" then
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text = text .. "\n" .. part3
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end
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end
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btnbar:add_button(btn_name, text, image, tooltip)
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end
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end
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local function get_formspec(tabview, name, tabdata)
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local retval = ""
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local index = filterlist.get_current_index(menudata.worldlist,
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tonumber(core.setting_get("mainmenu_last_selected_world"))
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)
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retval = retval ..
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"button[4,4.15;2.6,0.5;world_delete;".. fgettext("Delete") .. "]" ..
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"button[6.5,4.15;2.8,0.5;world_create;".. fgettext("New") .. "]" ..
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"button[9.2,4.15;2.55,0.5;world_configure;".. fgettext("Configure") .. "]" ..
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"button[8.5,4.95;3.25,0.5;play;".. fgettext("Play") .. "]" ..
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"label[4,-0.25;".. fgettext("Select World:") .. "]"..
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"checkbox[0.25,0.25;cb_creative_mode;".. fgettext("Creative Mode") .. ";" ..
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dump(core.setting_getbool("creative_mode")) .. "]"..
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"checkbox[0.25,0.7;cb_enable_damage;".. fgettext("Enable Damage") .. ";" ..
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dump(core.setting_getbool("enable_damage")) .. "]"..
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"textlist[4,0.25;7.5,3.7;sp_worlds;" ..
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menu_render_worldlist() ..
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";" .. index .. "]"
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return retval
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end
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local function main_button_handler(this, fields, name, tabdata)
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assert(name == "singleplayer")
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local world_doubleclick = false
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if fields["sp_worlds"] ~= nil then
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local event = core.explode_textlist_event(fields["sp_worlds"])
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local selected = core.get_textlist_index("sp_worlds")
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if selected ~= nil then
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local filename = menudata.worldlist:get_list()[selected].path
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local worldconfig = modmgr.get_worldconfig(filename)
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filename = filename .. DIR_DELIM .. "world.mt"
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if worldconfig.creative_mode ~= nil then
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core.setting_set("creative_mode", worldconfig.creative_mode)
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else
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local worldfile = Settings(filename)
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worldfile:set("creative_mode", core.setting_get("creative_mode"))
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if not worldfile:write() then
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core.log("error", "Failed to write world config file")
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end
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end
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if worldconfig.enable_damage ~= nil then
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core.setting_set("enable_damage", worldconfig.enable_damage)
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else
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local worldfile = Settings(filename)
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worldfile:set("enable_damage", core.setting_get("enable_damage"))
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if not worldfile:write() then
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core.log("error", "Failed to write world config file")
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end
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end
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end
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if event.type == "DCL" then
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world_doubleclick = true
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end
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if event.type == "CHG" and selected ~= nil then
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core.setting_set("mainmenu_last_selected_world",
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menudata.worldlist:get_raw_index(selected))
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return true
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end
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end
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if menu_handle_key_up_down(fields,"sp_worlds","mainmenu_last_selected_world") then
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return true
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end
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if fields["cb_creative_mode"] then
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core.setting_set("creative_mode", fields["cb_creative_mode"])
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local selected = core.get_textlist_index("sp_worlds")
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if selected ~= nil then
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local filename = menudata.worldlist:get_list()[selected].path ..
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DIR_DELIM .. "world.mt"
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local worldfile = Settings(filename)
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worldfile:set("creative_mode", fields["cb_creative_mode"])
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if not worldfile:write() then
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core.log("error", "Failed to write world config file")
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end
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return true
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end
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end
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if fields["cb_enable_damage"] then
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core.setting_set("enable_damage", fields["cb_enable_damage"])
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local selected = core.get_textlist_index("sp_worlds")
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if selected ~= nil then
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local filename = menudata.worldlist:get_list()[selected].path ..
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DIR_DELIM .. "world.mt"
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local worldfile = Settings(filename)
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worldfile:set("enable_damage", fields["cb_enable_damage"])
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if not worldfile:write() then
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core.log("error", "Failed to write world config file")
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end
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return true
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end
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end
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if fields["play"] ~= nil or
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world_doubleclick or
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fields["key_enter"] then
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local selected = core.get_textlist_index("sp_worlds")
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if selected ~= nil then
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gamedata.selected_world = menudata.worldlist:get_raw_index(selected)
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gamedata.singleplayer = true
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core.start()
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end
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return true
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end
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if fields["world_create"] ~= nil then
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local create_world_dlg = create_create_world_dlg(true)
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create_world_dlg:set_parent(this)
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this:hide()
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create_world_dlg:show()
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mm_texture.update("singleplayer",current_game())
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return true
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end
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if fields["world_delete"] ~= nil then
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local selected = core.get_textlist_index("sp_worlds")
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if selected ~= nil and
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selected <= menudata.worldlist:size() then
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local world = menudata.worldlist:get_list()[selected]
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if world ~= nil and
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world.name ~= nil and
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world.name ~= "" then
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local index = menudata.worldlist:get_raw_index(selected)
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local delete_world_dlg = create_delete_world_dlg(world.name,index)
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delete_world_dlg:set_parent(this)
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this:hide()
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delete_world_dlg:show()
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mm_texture.update("singleplayer",current_game())
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end
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end
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return true
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end
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if fields["world_configure"] ~= nil then
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local selected = core.get_textlist_index("sp_worlds")
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if selected ~= nil then
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local configdialog =
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create_configure_world_dlg(
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menudata.worldlist:get_raw_index(selected))
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if (configdialog ~= nil) then
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configdialog:set_parent(this)
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this:hide()
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configdialog:show()
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mm_texture.update("singleplayer",current_game())
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end
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end
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return true
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end
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end
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local function on_change(type, old_tab, new_tab)
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local buttonbar = ui.find_by_name("game_button_bar")
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if ( buttonbar == nil ) then
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singleplayer_refresh_gamebar()
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buttonbar = ui.find_by_name("game_button_bar")
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end
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if (type == "ENTER") then
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local game = current_game()
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if game then
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menudata.worldlist:set_filtercriteria(game.id)
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core.set_topleft_text(game.name)
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mm_texture.update("singleplayer",game)
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end
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buttonbar:show()
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else
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menudata.worldlist:set_filtercriteria(nil)
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buttonbar:hide()
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core.set_topleft_text("")
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mm_texture.update(new_tab,nil)
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end
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end
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--------------------------------------------------------------------------------
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tab_singleplayer = {
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name = "singleplayer",
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caption = fgettext("Singleplayer"),
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cbf_formspec = get_formspec,
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cbf_button_handler = main_button_handler,
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on_change = on_change
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}
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