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-rw-r--r--builtin/modmgr.lua881
1 files changed, 881 insertions, 0 deletions
diff --git a/builtin/modmgr.lua b/builtin/modmgr.lua
new file mode 100644
index 000000000..1cb4b3922
--- /dev/null
+++ b/builtin/modmgr.lua
@@ -0,0 +1,881 @@
+--Minetest
+--Copyright (C) 2013 sapier
+--
+--This program is free software; you can redistribute it and/or modify
+--it under the terms of the GNU Lesser General Public License as published by
+--the Free Software Foundation; either version 2.1 of the License, or
+--(at your option) any later version.
+--
+--This program is distributed in the hope that it will be useful,
+--but WITHOUT ANY WARRANTY; without even the implied warranty of
+--MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+--GNU Lesser General Public License for more details.
+--
+--You should have received a copy of the GNU Lesser General Public License along
+--with this program; if not, write to the Free Software Foundation, Inc.,
+--51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+--------------------------------------------------------------------------------
+function get_mods(path,retval,basefolder)
+
+ local mods = engine.get_dirlist(path,true)
+
+ for i=1,#mods,1 do
+ local filename = path .. DIR_DELIM .. mods[i] .. DIR_DELIM .. "modpack.txt"
+ local modpackfile,error = io.open(filename,"r")
+
+ local name = mods[i]
+ if basefolder ~= nil and
+ basefolder ~= "" then
+ name = basefolder .. DIR_DELIM .. mods[i]
+ end
+
+ if modpackfile ~= nil then
+ modpackfile:close()
+ table.insert(retval,name .. " <MODPACK>")
+ get_mods(path .. DIR_DELIM .. name,retval,name)
+ else
+
+ table.insert(retval,name)
+ end
+ end
+end
+
+--modmanager implementation
+modmgr = {}
+
+--------------------------------------------------------------------------------
+function modmgr.extract(modfile)
+ if modfile.type == "zip" then
+ local tempfolder = os.tempfolder()
+
+ if tempfolder ~= nil and
+ tempfodler ~= "" then
+ engine.create_dir(tempfolder)
+ engine.extract_zip(modfile.name,tempfolder)
+ return tempfolder
+ end
+ end
+end
+
+-------------------------------------------------------------------------------
+function modmgr.getbasefolder(temppath)
+
+ if temppath == nil then
+ return {
+ type = "invalid",
+ path = ""
+ }
+ end
+
+ local testfile = io.open(temppath .. DIR_DELIM .. "init.lua","r")
+ if testfile ~= nil then
+ testfile:close()
+ return {
+ type="mod",
+ path=temppath
+ }
+ end
+
+ testfile = io.open(temppath .. DIR_DELIM .. "modpack.txt","r")
+ if testfile ~= nil then
+ testfile:close()
+ return {
+ type="modpack",
+ path=temppath
+ }
+ end
+
+ local subdirs = engine.get_dirlist(temppath,true)
+
+ --only single mod or modpack allowed
+ if #subdirs ~= 1 then
+ return {
+ type = "invalid",
+ path = ""
+ }
+ end
+
+ testfile =
+ io.open(temppath .. DIR_DELIM .. subdirs[1] ..DIR_DELIM .."init.lua","r")
+ if testfile ~= nil then
+ testfile:close()
+ return {
+ type="mod",
+ path= temppath .. DIR_DELIM .. subdirs[1]
+ }
+ end
+
+ testfile =
+ io.open(temppath .. DIR_DELIM .. subdirs[1] ..DIR_DELIM .."modpack.txt","r")
+ if testfile ~= nil then
+ testfile:close()
+ return {
+ type="modpack",
+ path=temppath .. DIR_DELIM .. subdirs[1]
+ }
+ end
+
+ return {
+ type = "invalid",
+ path = ""
+ }
+end
+
+--------------------------------------------------------------------------------
+function modmgr.isValidModname(modpath)
+ if modpath:find("-") ~= nil then
+ return false
+ end
+
+ return true
+end
+
+--------------------------------------------------------------------------------
+function modmgr.parse_register_line(line)
+ local pos1 = line:find("\"")
+ local pos2 = nil
+ if pos1 ~= nil then
+ pos2 = line:find("\"",pos1+1)
+ end
+
+ if pos1 ~= nil and pos2 ~= nil then
+ local item = line:sub(pos1+1,pos2-1)
+
+ if item ~= nil and
+ item ~= "" then
+ local pos3 = item:find(":")
+
+ if pos3 ~= nil then
+ return item:sub(1,pos3-1)
+ end
+ end
+ end
+ return nil
+end
+
+--------------------------------------------------------------------------------
+function modmgr.parse_dofile_line(modpath,line)
+ local pos1 = line:find("\"")
+ local pos2 = nil
+ if pos1 ~= nil then
+ pos2 = line:find("\"",pos1+1)
+ end
+
+ if pos1 ~= nil and pos2 ~= nil then
+ local filename = line:sub(pos1+1,pos2-1)
+
+ if filename ~= nil and
+ filename ~= "" and
+ filename:find(".lua") then
+ return modmgr.identify_modname(modpath,filename)
+ end
+ end
+ return nil
+end
+
+--------------------------------------------------------------------------------
+function modmgr.update_global_mods()
+ local modpath = engine.get_modpath()
+ modmgr.global_mods = {}
+ if modpath ~= nil and
+ modpath ~= "" then
+ get_mods(modpath,modmgr.global_mods)
+ end
+end
+
+--------------------------------------------------------------------------------
+function modmgr.get_mods_list()
+ local toadd = ""
+
+ modmgr.update_global_mods()
+
+ if modmgr.global_mods ~= nil then
+ for i=1,#modmgr.global_mods,1 do
+ if toadd ~= "" then
+ toadd = toadd..","
+ end
+ toadd = toadd .. modmgr.global_mods[i]
+ end
+ end
+
+ return toadd
+end
+
+--------------------------------------------------------------------------------
+function modmgr.mod_exists(basename)
+ modmgr.update_global_mods()
+
+ if modmgr.global_mods ~= nil then
+ for i=1,#modmgr.global_mods,1 do
+ if modmgr.global_mods[i] == basename then
+ return true
+ end
+ end
+ end
+
+ return false
+end
+
+--------------------------------------------------------------------------------
+function modmgr.identify_modname(modpath,filename)
+ local testfile = io.open(modpath .. DIR_DELIM .. filename,"r")
+ if testfile ~= nil then
+ local line = testfile:read()
+
+ while line~= nil do
+ local modname = nil
+
+ if line:find("minetest.register_tool") then
+ modname = modmgr.parse_register_line(line)
+ end
+
+ if line:find("minetest.register_craftitem") then
+ modname = modmgr.parse_register_line(line)
+ end
+
+
+ if line:find("minetest.register_node") then
+ modname = modmgr.parse_register_line(line)
+ end
+
+ if line:find("dofile") then
+ modname = modmgr.parse_dofile_line(modpath,line)
+ end
+
+ if modname ~= nil then
+ testfile:close()
+ return modname
+ end
+
+ line = testfile:read()
+ end
+ testfile:close()
+ end
+
+ return nil
+end
+
+--------------------------------------------------------------------------------
+function modmgr.tab()
+ if modmgr.selected_mod == nil then
+ modmgr.selected_mod = 1
+ end
+
+ local retval =
+ "vertlabel[0,-0.25;MODS]" ..
+ "label[0.8,-0.25;Installed Mods:]" ..
+ "textlist[0.75,0.25;4.5,4.3;modlist;" ..
+ modmgr.get_mods_list() ..
+ ";" .. modmgr.selected_mod .. "]"
+
+ retval = retval ..
+ "button[1,4.85;2,0.5;btn_mod_mgr_install_local;Install]" ..
+ "button[3,4.85;2,0.5;btn_mod_mgr_download;Download]"
+
+ if #modmgr.global_mods >= modmgr.selected_mod and
+ modmgr.global_mods[modmgr.selected_mod]:find("<MODPACK>") then
+ retval = retval .. "button[10,4.85;2,0.5;btn_mod_mgr_rename_modpack;Rename]"
+ end
+
+ if #modmgr.global_mods >= modmgr.selected_mod then
+ local modpath = engine.get_modpath()
+ --show dependencys
+ if modmgr.global_mods[modmgr.selected_mod]:find("<MODPACK>") == nil then
+ retval = retval ..
+ "label[6,1.9;Depends:]" ..
+ "textlist[6,2.4;5.7,2;deplist;"
+
+ toadd = modmgr.get_dependencys(modpath .. DIR_DELIM ..
+ modmgr.global_mods[modmgr.selected_mod])
+
+ retval = retval .. toadd .. ";0;true,false]"
+
+ --TODO read modinfo
+ end
+ --show delete button
+ retval = retval .. "button[8,4.85;2,0.5;btn_mod_mgr_delete_mod;Delete]"
+ end
+ return retval
+end
+
+--------------------------------------------------------------------------------
+function modmgr.dialog_rename_modpack()
+
+ local modname = modmgr.global_mods[modmgr.selected_mod]
+ modname = modname:sub(0,modname:find("<") -2)
+
+ local retval =
+ "label[1.75,1;Rename Modpack:]"..
+ "field[4.5,1.4;6,0.5;te_modpack_name;;" ..
+ modname ..
+ "]" ..
+ "button[5,4.2;2.6,0.5;dlg_rename_modpack_confirm;Accept]" ..
+ "button[7.5,4.2;2.8,0.5;dlg_rename_modpack_cancel;Cancel]"
+
+ return retval
+end
+
+--------------------------------------------------------------------------------
+function modmgr.precheck()
+ if modmgr.global_mods == nil then
+ modmgr.update_global_mods()
+ end
+
+ if modmgr.world_config_selected_world == nil then
+ modmgr.world_config_selected_world = 1
+ end
+
+ if modmgr.world_config_selected_mod == nil then
+ modmgr.world_config_selected_mod = 1
+ end
+
+ if modmgr.hide_gamemods == nil then
+ modmgr.hide_gamemods = true
+ end
+end
+
+--------------------------------------------------------------------------------
+function modmgr.get_worldmod_idx()
+ if not modmgr.hide_gamemods then
+ return modmgr.world_config_selected_mod - #modmgr.worldconfig.game_mods
+ else
+ return modmgr.world_config_selected_mod
+ end
+end
+
+--------------------------------------------------------------------------------
+function modmgr.is_gamemod()
+ if not modmgr.hide_gamemods then
+ if modmgr.world_config_selected_mod <= #modmgr.worldconfig.game_mods then
+ return true
+ else
+ return false
+ end
+ else
+ return false
+ end
+end
+
+--------------------------------------------------------------------------------
+function modmgr.render_worldmodlist()
+ local retval = ""
+
+ for i=1,#modmgr.global_mods,1 do
+ local parts = modmgr.global_mods[i]:split(DIR_DELIM)
+ local shortname = parts[#parts]
+ if modmgr.worldconfig.global_mods[shortname] then
+ retval = retval .. "#GRN" .. modmgr.global_mods[i] .. ","
+ else
+ retval = retval .. modmgr.global_mods[i] .. ","
+ end
+ end
+
+ return retval
+end
+
+--------------------------------------------------------------------------------
+function modmgr.render_gamemodlist()
+ local retval = ""
+ for i=1,#modmgr.worldconfig.game_mods,1 do
+ retval = retval ..
+ "#BLU" .. modmgr.worldconfig.game_mods[i] .. ","
+ end
+
+ return retval
+end
+
+--------------------------------------------------------------------------------
+function modmgr.dialog_configure_world()
+ modmgr.precheck()
+
+ local modpack_selected = false
+ local gamemod_selected = modmgr.is_gamemod()
+ local modname = ""
+ local modfolder = ""
+ local shortname = ""
+
+ if not gamemod_selected then
+ local worldmodidx = modmgr.get_worldmod_idx()
+ modname = modmgr.global_mods[worldmodidx]
+
+ if modname:find("<MODPACK>") ~= nil then
+ modname = modname:sub(0,modname:find("<") -2)
+ modpack_selected = true
+ end
+
+ local parts = modmgr.global_mods[worldmodidx]:split(DIR_DELIM)
+ shortname = parts[#parts]
+
+ modfolder = engine.get_modpath() .. DIR_DELIM .. modname
+ end
+
+ local worldspec = engine.get_worlds()[modmgr.world_config_selected_world]
+
+ local retval =
+ "size[11,6.5]" ..
+ "label[1.5,-0.25;World: " .. worldspec.name .. "]"
+
+ if modmgr.hide_gamemods then
+ retval = retval .. "checkbox[5.5,6.15;cb_hide_gamemods;Hide Game;true]"
+ else
+ retval = retval .. "checkbox[5.5,6.15;cb_hide_gamemods;Hide Game;false]"
+ end
+ retval = retval ..
+ "button[9.25,6.35;2,0.5;btn_config_world_save;Save]" ..
+ "button[7.4,6.35;2,0.5;btn_config_world_cancel;Cancel]" ..
+ "textlist[5.5,-0.25;5.5,6.5;world_config_modlist;"
+
+
+ if not modmgr.hide_gamemods then
+ retval = retval .. modmgr.render_gamemodlist()
+ end
+
+ retval = retval .. modmgr.render_worldmodlist()
+
+ retval = retval .. ";" .. modmgr.world_config_selected_mod .."]"
+
+ if not gamemod_selected then
+ retval = retval ..
+ "label[0,0.45;Mod:]" ..
+ "label[0.75,0.45;" .. modname .. "]" ..
+ "label[0,1.5;depends on:]" ..
+ "textlist[0,2;5,2;world_config_depends;" ..
+ modmgr.get_dependencys(modfolder) .. ";0]" ..
+ "label[0,4;depends on:]" ..
+ "textlist[0,4.5;5,2;world_config_is_required;;0]"
+
+ if modpack_selected then
+ retval = retval ..
+ "button[-0.05,1.05;2,0.5;btn_cfgw_enable_all;Enable All]" ..
+ "button[3.25,1.05;2,0.5;btn_cfgw_disable_all;Disable All]"
+ else
+ retval = retval ..
+ "checkbox[0,0.8;cb_mod_enabled;enabled;"
+
+ if modmgr.worldconfig.global_mods[shortname] then
+ print("checkbox " .. shortname .. " enabled")
+ retval = retval .. "true"
+ else
+ print("checkbox " .. shortname .. " disabled")
+ retval = retval .. "false"
+ end
+
+ retval = retval .. "]"
+ end
+ end
+
+ return retval
+end
+
+--------------------------------------------------------------------------------
+function modmgr.handle_buttons(tab,fields)
+
+ local retval = nil
+
+ if tab == "mod_mgr" then
+ retval = modmgr.handle_modmgr_buttons(fields)
+ end
+
+ if tab == "dialog_rename_modpack" then
+ retval = modmgr.handle_rename_modpack_buttons(fields)
+ end
+
+ if tab == "dialog_delete_mod" then
+ retval = modmgr.handle_delete_mod_buttons(fields)
+ end
+
+ if tab == "dialog_configure_world" then
+ retval = modmgr.handle_configure_world_buttons(fields)
+ end
+
+ return retval
+end
+
+--------------------------------------------------------------------------------
+function modmgr.get_dependencys(modfolder)
+ local filename = modfolder ..
+ DIR_DELIM .. "depends.txt"
+
+ local dependencyfile = io.open(filename,"r")
+
+ local toadd = ""
+ if dependencyfile then
+ local dependency = dependencyfile:read("*l")
+ while dependency do
+ if toadd ~= "" then
+ toadd = toadd .. ","
+ end
+ toadd = toadd .. dependency
+ dependency = dependencyfile:read()
+ end
+ dependencyfile:close()
+ else
+ print(filename .. " not found")
+ end
+
+ return toadd
+end
+
+
+--------------------------------------------------------------------------------
+function modmgr.get_worldconfig(worldpath)
+ local filename = worldpath ..
+ DIR_DELIM .. "world.mt"
+
+ local worldfile = io.open(filename,"r")
+
+ local worldconfig = {}
+ worldconfig.global_mods = {}
+ worldconfig.game_mods = {}
+
+ if worldfile then
+ local dependency = worldfile:read("*l")
+ while dependency do
+ local parts = dependency:split("=")
+
+ local key = parts[1]:trim()
+
+ if key == "gameid" then
+ worldconfig.id = parts[2]:trim()
+ else
+ local key = parts[1]:trim():sub(10)
+ if parts[2]:trim() == "true" then
+ print("found enabled mod: >" .. key .. "<")
+ worldconfig.global_mods[key] = true
+ else
+ print("found disabled mod: >" .. key .. "<")
+ worldconfig.global_mods[key] = false
+ end
+ end
+ dependency = worldfile:read("*l")
+ end
+ worldfile:close()
+ else
+ print(filename .. " not found")
+ end
+
+ --read gamemods
+ local gamemodpath = engine.get_gamepath() .. DIR_DELIM .. worldconfig.id .. DIR_DELIM .. "mods"
+
+ print("reading game mods from: " .. dump(gamemodpath))
+ get_mods(gamemodpath,worldconfig.game_mods)
+
+ return worldconfig
+end
+--------------------------------------------------------------------------------
+function modmgr.handle_modmgr_buttons(fields)
+ local retval = {
+ tab = nil,
+ is_dialog = nil,
+ show_buttons = nil,
+ }
+
+ if fields["modlist"] ~= nil then
+ local event = explode_textlist_event(fields["modlist"])
+ modmgr.selected_mod = event.index
+ end
+
+ if fields["btn_mod_mgr_install_local"] ~= nil then
+ engine.show_file_open_dialog("mod_mgt_open_dlg","Select Mod File:")
+ end
+
+ if fields["btn_mod_mgr_download"] ~= nil then
+ retval.current_tab = "dialog_modstore_unsorted"
+ retval.is_dialog = true
+ retval.show_buttons = false
+ return retval
+ end
+
+ if fields["btn_mod_mgr_rename_modpack"] ~= nil then
+ retval.current_tab = "dialog_rename_modpack"
+ retval.is_dialog = true
+ retval.show_buttons = false
+ return retval
+ end
+
+ if fields["btn_mod_mgr_delete_mod"] ~= nil then
+ retval.current_tab = "dialog_delete_mod"
+ retval.is_dialog = true
+ retval.show_buttons = false
+ return retval
+ end
+
+ if fields["mod_mgt_open_dlg_accepted"] ~= nil and
+ fields["mod_mgt_open_dlg_accepted"] ~= "" then
+ modmgr.installmod(fields["mod_mgt_open_dlg_accepted"],nil)
+ end
+
+ return nil;
+end
+
+--------------------------------------------------------------------------------
+function modmgr.installmod(modfilename,basename)
+ local modfile = identify_filetype(modfilename)
+
+ local modpath = modmgr.extract(modfile)
+
+ if modpath == nil then
+ gamedata.errormessage = "Install Mod: file: " .. modfile.name ..
+ "\nInstall Mod: unsupported filetype \"" .. modfile.type .. "\""
+ return
+ end
+
+
+ local basefolder = modmgr.getbasefolder(modpath)
+
+ if basefolder.type == "modpack" then
+ local clean_path = nil
+
+ if basename ~= nil then
+ clean_path = "mp_" .. basename
+ end
+
+ if clean_path == nil then
+ clean_path = get_last_folder(cleanup_path(basefolder.path))
+ end
+
+ if clean_path ~= nil then
+ local targetpath = engine.get_modpath() .. DIR_DELIM .. clean_path
+ engine.copy_dir(basefolder.path,targetpath)
+ else
+ gamedata.errormessage = "Install Mod: unable to find suitable foldername for modpack "
+ .. modfilename
+ end
+ end
+
+ if basefolder.type == "mod" then
+ local targetfolder = basename
+
+ if targetfolder == nil then
+ targetfolder = modmgr.identify_modname(basefolder.path,"init.lua")
+ end
+
+ --if heuristic failed try to use current foldername
+ if targetfolder == nil then
+ targetfolder = get_last_folder(basefolder.path)
+ end
+
+ if targetfolder ~= nil and modmgr.isValidModname(targetfolder) then
+ local targetpath = engine.get_modpath() .. DIR_DELIM .. targetfolder
+ engine.copy_dir(basefolder.path,targetpath)
+ else
+ gamedata.errormessage = "Install Mod: unable to find real modname for: "
+ .. modfilename
+ end
+ end
+
+ engine.delete_dir(modpath)
+end
+
+--------------------------------------------------------------------------------
+function modmgr.handle_rename_modpack_buttons(fields)
+ local oldname = modmgr.global_mods[modmgr.selected_mod]
+ oldname = oldname:sub(0,oldname:find("<") -2)
+
+ if fields["dlg_rename_modpack_confirm"] ~= nil then
+ local oldpath = engine.get_modpath() .. DIR_DELIM .. oldname
+ local targetpath = engine.get_modpath() .. DIR_DELIM .. fields["te_modpack_name"]
+ engine.copy_dir(oldpath,targetpath,false)
+ end
+
+ return {
+ is_dialog = false,
+ show_buttons = true,
+ current_tab = engine.setting_get("main_menu_tab")
+ }
+end
+--------------------------------------------------------------------------------
+function modmgr.handle_configure_world_buttons(fields)
+ if fields["world_config_modlist"] ~= nil then
+ local event = explode_textlist_event(fields["world_config_modlist"])
+ modmgr.world_config_selected_mod = event.index
+ end
+
+ if fields["cb_mod_enabled"] ~= nil then
+ local index = modmgr.get_worldmod_idx()
+ local modname = modmgr.global_mods[index]
+
+ local parts = modmgr.global_mods[index]:split(DIR_DELIM)
+ local shortname = parts[#parts]
+
+ if fields["cb_mod_enabled"] == "true" then
+ modmgr.worldconfig.global_mods[shortname] = true
+ else
+ modmgr.worldconfig.global_mods[shortname] = false
+ end
+ end
+
+ if fields["cb_hide_gamemods"] ~= nil then
+ if fields["cb_hide_gamemods"] == "true" then
+ modmgr.hide_gamemods = true
+ else
+ modmgr.hide_gamemods = false
+ end
+ end
+
+ if fields["btn_config_world_save"] then
+ local worldspec = engine.get_worlds()[modmgr.world_config_selected_world]
+
+ local filename = worldspec.path ..
+ DIR_DELIM .. "world.mt"
+
+ local worldfile = io.open(filename,"w")
+
+ if worldfile then
+ worldfile:write("gameid = " .. modmgr.worldconfig.id .. "\n")
+ for key,value in pairs(modmgr.worldconfig.global_mods) do
+ if value then
+ worldfile:write("load_mod_" .. key .. " = true" .. "\n")
+ else
+ worldfile:write("load_mod_" .. key .. " = false" .. "\n")
+ end
+ end
+
+ worldfile:close()
+ end
+
+ modmgr.worldconfig = nil
+
+ return {
+ is_dialog = false,
+ show_buttons = true,
+ current_tab = engine.setting_get("main_menu_tab")
+ }
+ end
+
+ if fields["btn_config_world_cancel"] then
+
+ modmgr.worldconfig = nil
+
+ return {
+ is_dialog = false,
+ show_buttons = true,
+ current_tab = engine.setting_get("main_menu_tab")
+ }
+ end
+
+ if fields["btn_cfgw_enable_all"] then
+ local worldmodidx = modmgr.get_worldmod_idx()
+ modname = modmgr.global_mods[worldmodidx]
+
+ modname = modname:sub(0,modname:find("<") -2)
+
+ for i=1,#modmgr.global_mods,1 do
+
+ if modmgr.global_mods[i]:find("<MODPACK>") == nil then
+ local modpackpart = modmgr.global_mods[i]:sub(0,modname:len())
+
+ if modpackpart == modname then
+ local parts = modmgr.global_mods[i]:split(DIR_DELIM)
+ local shortname = parts[#parts]
+ modmgr.worldconfig.global_mods[shortname] = true
+ end
+ end
+ end
+ end
+
+ if fields["btn_cfgw_disable_all"] then
+ local worldmodidx = modmgr.get_worldmod_idx()
+ modname = modmgr.global_mods[worldmodidx]
+
+ modname = modname:sub(0,modname:find("<") -2)
+
+ for i=1,#modmgr.global_mods,1 do
+ local modpackpart = modmgr.global_mods[i]:sub(0,modname:len())
+
+ if modpackpart == modname then
+ local parts = modmgr.global_mods[i]:split(DIR_DELIM)
+ local shortname = parts[#parts]
+ modmgr.worldconfig.global_mods[shortname] = nil
+ end
+ end
+ end
+
+ return nil
+end
+--------------------------------------------------------------------------------
+function modmgr.handle_delete_mod_buttons(fields)
+ local modname = modmgr.global_mods[modmgr.selected_mod]
+
+ if modname:find("<MODPACK>") ~= nil then
+ modname = modname:sub(0,modname:find("<") -2)
+ end
+
+ if fields["dlg_delete_mod_confirm"] ~= nil then
+ local oldpath = engine.get_modpath() .. DIR_DELIM .. modname
+
+ if oldpath ~= nil and
+ oldpath ~= "" and
+ oldpath ~= engine.get_modpath() then
+ engine.delete_dir(oldpath)
+ end
+ end
+
+ return {
+ is_dialog = false,
+ show_buttons = true,
+ current_tab = engine.setting_get("main_menu_tab")
+ }
+end
+
+--------------------------------------------------------------------------------
+function modmgr.dialog_delete_mod()
+
+ local modname = modmgr.global_mods[modmgr.selected_mod]
+
+ if modname:find("<MODPACK>") ~= nil then
+ modname = modname:sub(0,modname:find("<") -2)
+ end
+
+ local retval =
+ "field[1.75,1;10,3;;Are you sure you want to delete ".. modname .. "?;]"..
+ "button[4,4.2;1,0.5;dlg_delete_mod_confirm;Yes]" ..
+ "button[6.5,4.2;3,0.5;dlg_delete_mod_cancel;No of course not!]"
+
+ return retval
+end
+
+--------------------------------------------------------------------------------
+function modmgr.init_worldconfig()
+
+ local worldspec = engine.get_worlds()[modmgr.world_config_selected_world]
+
+ if worldspec ~= nil then
+ --read worldconfig
+ modmgr.worldconfig = modmgr.get_worldconfig(worldspec.path)
+
+ if modmgr.worldconfig.id == nil or
+ modmgr.worldconfig.id == "" then
+ modmgr.worldconfig = nil
+ return false
+ end
+
+ return true
+ end
+
+ return false
+end
+
+--------------------------------------------------------------------------------
+function modmgr.gettab(name)
+ local retval = ""
+
+ if name == "mod_mgr" then
+ retval = retval .. modmgr.tab()
+ end
+
+ if name == "dialog_rename_modpack" then
+ retval = retval .. modmgr.dialog_rename_modpack()
+ end
+
+ if name == "dialog_delete_mod" then
+ retval = retval .. modmgr.dialog_delete_mod()
+ end
+
+ if name == "dialog_configure_world" then
+ retval = retval .. modmgr.dialog_configure_world()
+ end
+
+ return retval
+end