add mesecons mods

mods/moremesecons/moremesecons_luablock/init.lua

@@ -0,0 +1,160 @@
+local storage = minetest.get_mod_storage()
+local pos_data = moremesecons.get_storage_data(storage, "pos_data")
+
+local function set_data(pos, code, owner)
+	local data = {
+		code = code,
+		owner = owner
+	}
+	moremesecons.set_data_to_pos(pos_data, pos, data)
+end
+
+local function check_data(pos, code, owner)
+	local stored_data = moremesecons.get_data_from_pos(pos_data, pos)
+	if not stored_data then
+		return false
+	end
+	if code ~= stored_data.code
+			or owner ~= stored_data.owner then
+		return false
+	end
+	return true
+end
+
+
+local function make_formspec(meta, pos)
+	local code = minetest.formspec_escape(meta:get_string("code"))
+	local errmsg = minetest.formspec_escape(meta:get_string("errmsg"))
+	meta:set_string("formspec",
+		"size[10,8;]" ..
+		"textarea[0.5,0.5;9.5,7;code;Code;"..code.."]" ..
+		"label[0.1,7;"..errmsg.."]" ..
+		"button_exit[4,7.5;2,1;submit;Submit]")
+end
+
+minetest.register_node("moremesecons_luablock:luablock", {
+	description = "Lua Block",
+	tiles =  {"moremesecons_luablock.png"},
+	groups = {cracky = 2},
+	on_place = function(itemstack, placer, pointed_thing)
+		local under = pointed_thing.under
+		local node = minetest.get_node(under)
+		local udef = minetest.registered_nodes[node.name]
+		if udef and udef.on_rightclick and
+				not (placer and placer:get_player_control().sneak) then
+			return udef.on_rightclick(under, node, placer, itemstack,
+				pointed_thing) or itemstack
+		end
+
+		local pos
+		if minetest.registered_items[minetest.get_node(under).name].buildable_to then
+			pos = under
+		else
+			pos = pointed_thing.above
+		end
+
+		local name = placer:get_player_name()
+		if minetest.is_protected(pos, name) and
+				not minetest.check_player_privs(name, {protection_bypass = true}) then
+			minetest.record_protection_violation(pos, name)
+			return itemstack
+		end
+		if not minetest.check_player_privs(name, {server = true}) then
+			minetest.chat_send_player(name, "You can't use a LuaBlock without the server privilege.")
+			return itemstack
+		end
+
+		local node_def = minetest.registered_nodes[minetest.get_node(pos).name]
+		if not node_def or not node_def.buildable_to then
+			return itemstack
+		end
+
+		minetest.set_node(pos, {name = "moremesecons_luablock:luablock"})
+
+		local meta = minetest.get_meta(pos)
+		meta:set_string("owner", name)
+		meta:set_string("infotext", "LuaBlock owned by " .. name)
+		make_formspec(meta, pos)
+
+		if not (creative and creative.is_enabled_for
+				and creative.is_enabled_for(placer:get_player_name())) then
+			itemstack:take_item()
+		end
+		return itemstack
+	end,
+	on_receive_fields = function(pos, form_name, fields, sender)
+		if not fields.submit then
+			return
+		end
+		local name = sender:get_player_name()
+		local meta = minetest.get_meta(pos)
+		if name ~= meta:get_string("owner") then
+			minetest.chat_send_player(name, "You don't own this LuaBlock.")
+			return
+		end
+		if not minetest.check_player_privs(name, {server = true}) then
+			minetest.chat_send_player(name, "You can't use a LuaBlock without the server privilege.")
+			return
+		end
+
+		meta:set_string("code", fields.code)
+		set_data(pos, fields.code, name)
+		make_formspec(meta, pos)
+	end,
+	can_dig = function(pos, player)
+		local meta = minetest.get_meta(pos)
+		return meta:get_string("owner") == player:get_player_name()
+	end,
+	on_destruct = function(pos)
+		moremesecons.remove_data_from_pos(pos_data, pos)
+	end,
+	mesecons = {effector = {
+		action_on = function(npos, node)
+			local meta = minetest.get_meta(npos)
+			local code = meta:get_string("code")
+			local owner = meta:get_string("owner")
+			if code == "" then
+				return
+			end
+			if not check_data(npos, code, owner) then
+				minetest.log("warning", "[moremesecons_luablock] Metadata of LuaBlock at pos "..minetest.pos_to_string(npos).." does not match its mod storage data!")
+				return
+			end
+
+			local env = {}
+			for k, v in pairs(_G) do
+				env[k] = v
+			end
+			env.pos = table.copy(npos)
+			env.mem = minetest.deserialize(meta:get_string("mem")) or {}
+
+			local func, err_syntax
+			if _VERSION == "Lua 5.1" then
+				func, err_syntax = loadstring(code)
+				if func then
+					setfenv(func, env)
+				end
+			else
+				func, err_syntax = load(code, nil, "t", env)
+			end
+			if not func then
+				meta:set_string("errmsg", err_syntax)
+				make_formspec(meta, npos)
+				return
+			end
+
+			local good, err_runtime = pcall(func)
+
+			if not good then
+				meta:set_string("errmsg", err_runtime)
+				make_formspec(meta, npos)
+				return
+			end
+
+			meta:set_string("mem", minetest.serialize(env.mem))
+
+			meta:set_string("errmsg", "")
+			make_formspec(meta, npos)
+		end
+	}}
+})

mods/moremesecons/moremesecons_luablock/mod.conf

@@ -0,0 +1,2 @@
+name = moremesecons_luablock
+depends = mesecons,moremesecons_utils