From 8ca08a850ff2494652aa0ac2daa3d00f03aa4e7a Mon Sep 17 00:00:00 2001
From: fz72 <fz72@gmx.de>
Date: Sun, 15 Mar 2015 14:52:10 +0100
Subject: [PATCH] Save creative_mode and enable_damage setting for each world
 in world.mt

Create Parameters on world initialisation and set settings of old worlds
---
 builtin/mainmenu/common.lua           | 20 ++++++++++-
 builtin/mainmenu/modmgr.lua           |  4 ++-
 builtin/mainmenu/tab_server.lua       | 44 ++++++++++++++++++++++++
 builtin/mainmenu/tab_singleplayer.lua | 48 +++++++++++++++++++++++++--
 src/subgame.cpp                       |  4 ++-
 5 files changed, 115 insertions(+), 5 deletions(-)

diff --git a/builtin/mainmenu/common.lua b/builtin/mainmenu/common.lua
index f32d77f2a..c1e8ee9c4 100644
--- a/builtin/mainmenu/common.lua
+++ b/builtin/mainmenu/common.lua
@@ -189,7 +189,6 @@ end
 
 --------------------------------------------------------------------------------
 function menu_handle_key_up_down(fields,textlist,settingname)
-
 	if fields["key_up"] then
 		local oldidx = core.get_textlist_index(textlist)
 
@@ -197,6 +196,16 @@ function menu_handle_key_up_down(fields,textlist,settingname)
 			local newidx = oldidx -1
 			core.setting_set(settingname,
 				menudata.worldlist:get_raw_index(newidx))
+
+			local worldconfig = modmgr.get_worldconfig(
+					menudata.worldlist:get_list()[newidx].path)
+
+			if worldconfig.creative_mode ~= nil then
+				core.setting_set("creative_mode", worldconfig.creative_mode)
+			end
+			if worldconfig.enable_damage ~= nil then
+				core.setting_set("enable_damage", worldconfig.enable_damage)
+			end
 		end
 		return true
 	end
@@ -208,6 +217,15 @@ function menu_handle_key_up_down(fields,textlist,settingname)
 			local newidx = oldidx + 1
 			core.setting_set(settingname,
 				menudata.worldlist:get_raw_index(newidx))
+			local worldconfig = modmgr.get_worldconfig(
+					menudata.worldlist:get_list()[newidx].path)
+
+			if worldconfig.creative_mode ~= nil then
+				core.setting_set("creative_mode", worldconfig.creative_mode)
+			end
+			if worldconfig.enable_damage ~= nil then
+				core.setting_set("enable_damage", worldconfig.enable_damage)
+			end
 		end
 		
 		return true
diff --git a/builtin/mainmenu/modmgr.lua b/builtin/mainmenu/modmgr.lua
index f2938685e..f6b9b4814 100644
--- a/builtin/mainmenu/modmgr.lua
+++ b/builtin/mainmenu/modmgr.lua
@@ -321,8 +321,10 @@ function modmgr.get_worldconfig(worldpath)
 	for key,value in pairs(worldfile:to_table()) do
 		if key == "gameid" then
 			worldconfig.id = value
-		else
+		elseif key:sub(0, 9) == "load_mod_" then
 			worldconfig.global_mods[key] = core.is_yes(value)
+		else
+			worldconfig[key] = value
 		end
 	end
 
diff --git a/builtin/mainmenu/tab_server.lua b/builtin/mainmenu/tab_server.lua
index 1ae2a0656..d78af768f 100644
--- a/builtin/mainmenu/tab_server.lua
+++ b/builtin/mainmenu/tab_server.lua
@@ -68,6 +68,32 @@ local function main_button_handler(this, fields, name, tabdata)
 	if fields["srv_worlds"] ~= nil then
 		local event = core.explode_textlist_event(fields["srv_worlds"])
 
+		local selected = core.get_textlist_index("srv_worlds")
+		if selected ~= nil then
+			local filename = menudata.worldlist:get_list()[selected].path
+			local worldconfig = modmgr.get_worldconfig(filename)
+			filename = filename .. DIR_DELIM .. "world.mt"
+
+			if worldconfig.creative_mode ~= nil then
+				core.setting_set("creative_mode", worldconfig.creative_mode)
+			else
+				local worldfile = Settings(filename)
+				worldfile:set("creative_mode", core.setting_get("creative_mode"))
+				if not worldfile:write() then
+					core.log("error", "Failed to write world config file")
+				end
+			end
+			if worldconfig.enable_damage ~= nil then
+				core.setting_set("enable_damage", worldconfig.enable_damage)
+			else
+				local worldfile = Settings(filename)
+				worldfile:set("enable_damage", core.setting_get("enable_damage"))
+				if not worldfile:write() then
+					core.log("error", "Failed to write world config file")
+				end
+			end
+		end
+
 		if event.type == "DCL" then
 			world_doubleclick = true
 		end
@@ -84,11 +110,29 @@ 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("srv_worlds")
+		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")
+		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("srv_worlds")
+		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")
+		end
 		return true
 	end
 
diff --git a/builtin/mainmenu/tab_singleplayer.lua b/builtin/mainmenu/tab_singleplayer.lua
index 9dc377a8f..c2b850e44 100644
--- a/builtin/mainmenu/tab_singleplayer.lua
+++ b/builtin/mainmenu/tab_singleplayer.lua
@@ -106,13 +106,39 @@ local function main_button_handler(this, fields, name, tabdata)
 	if fields["sp_worlds"] ~= nil then
 		local event = core.explode_textlist_event(fields["sp_worlds"])
 
+		local selected = core.get_textlist_index("sp_worlds")
+		if selected ~= nil then
+			local filename = menudata.worldlist:get_list()[selected].path
+			local worldconfig = modmgr.get_worldconfig(filename)
+			filename = filename .. DIR_DELIM .. "world.mt"
+
+			if worldconfig.creative_mode ~= nil then
+				core.setting_set("creative_mode", worldconfig.creative_mode)
+			else
+				local worldfile = Settings(filename)
+				worldfile:set("creative_mode", core.setting_get("creative_mode"))
+				if not worldfile:write() then
+					core.log("error", "Failed to write world config file")
+				end
+			end
+			if worldconfig.enable_damage ~= nil then
+				core.setting_set("enable_damage", worldconfig.enable_damage)
+			else
+				local worldfile = Settings(filename)
+				worldfile:set("enable_damage", core.setting_get("enable_damage"))
+				if not worldfile:write() then
+					core.log("error", "Failed to write world config file")
+				end
+			end
+		end
+
 		if event.type == "DCL" then
 			world_doubleclick = true
 		end
 
-		if event.type == "CHG" then
+		if event.type == "CHG" and selected ~= nil then
 			core.setting_set("mainmenu_last_selected_world",
-				menudata.worldlist:get_raw_index(core.get_textlist_index("sp_worlds")))
+				menudata.worldlist:get_raw_index(selected))
 			return true
 		end
 	end
@@ -123,11 +149,29 @@ 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"
+
+		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
 
 	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"
+
+		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
 
diff --git a/src/subgame.cpp b/src/subgame.cpp
index 4e8777d13..a3edcda2e 100644
--- a/src/subgame.cpp
+++ b/src/subgame.cpp
@@ -283,7 +283,9 @@ bool initializeWorld(const std::string &path, const std::string &gameid)
 	std::string worldmt_path = path + DIR_DELIM "world.mt";
 	if (!fs::PathExists(worldmt_path)) {
 		std::ostringstream ss(std::ios_base::binary);
-		ss << "gameid = " << gameid << "\nbackend = sqlite3\n";
+		ss << "gameid = " << gameid << "\nbackend = sqlite3\n"
+				<< "creative_mode = " << g_settings->get("creative_mode")
+				<< "\nenable_damage = " << g_settings->get("enable_damage") << "\n";
 		if (!fs::safeWriteToFile(worldmt_path, ss.str()))
 			return false;
 
-- 
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