forked from Sokomine/yl_speak_up
added yl_speak_up.get_variable_metadata for cleaner access to metadata
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Sokomine
parent
4f524f7fc1
commit
372a37f8e6
106
quest_api.lua
106
quest_api.lua
@ -94,22 +94,15 @@ yl_speak_up.del_quest_variable = function(owner_name, variable_name, force_delet
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-- variables can be deleted;
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-- check if the variable is used by an NPC
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local var_data = yl_speak_up.player_vars[ var_name ]
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if(var_data["$META$"] and var_data["$META$"]["used_by_npc" ]
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and type(var_data["$META$"]["used_by_npc" ]) == "table") then
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for k, v in pairs(var_data["$META$"]["used_by_npc" ]) do
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if(k) then
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return text.." could not be deleted.\nIt is used by at least one NPC."
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end
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end
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local npc_users = yl_speak_up.get_variable_metadata(var_name, "used_by_npc")
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if(npc_users and #npc_users > 0) then
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return text.." could not be deleted.\nIt is used by "..tostring(#npc_users).." NPC."
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end
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-- check if the variable is used by a node position (for quests)
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if(var_data["$META$"] and var_data["$META$"]["used_by_node_pos" ]
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and type(var_data["$META$"]["used_by_node_pos" ]) == "table") then
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for k, v in pairs(var_data["$META$"]["used_by_node_pos" ]) do
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if(k) then
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return text.." could not be deleted.\nIt is used by at least one node pos."
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end
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end
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local node_pos_users = yl_speak_up.get_variable_metadata(var_name, "used_by_node_pos")
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if(node_pos_users and #node_pos_users > 0) then
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return text.." could not be deleted.\nIt is used by "..tostring(#node_pos_users)..
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" node positions (quest)."
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end
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-- check if the variable has any values stored
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for k, v in pairs(var_data) do
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@ -487,8 +480,8 @@ yl_speak_up.get_fs_manage_variables = function(player, param)
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"you entered in the field to the left *write* access\n"..
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"to your variable.]"
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end
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local list_of_npc_users = ""
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local list_of_node_pos_users = ""
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local list_of_npc_users = "- none -"
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local list_of_node_pos_users = "- none -"
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-- expand name of variable k again
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local k_long = yl_speak_up.add_pname_to_var(k, pname)
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-- which npc and which node_pos use this variable? create a list for display
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@ -497,38 +490,17 @@ yl_speak_up.get_fs_manage_variables = function(player, param)
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if(k_long
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and yl_speak_up.player_vars[ k_long ]
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and yl_speak_up.player_vars[ k_long ][ "$META$"]) then
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local t = yl_speak_up.player_vars[ k_long ][ "$META$"]["used_by_npc" ]
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if(type(t) ~= "table") then
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t = {}
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local npc_users = yl_speak_up.get_variable_metadata(k_long, "used_by_npc")
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c1 = #npc_users
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if(npc_users and c1 > 0) then
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list_of_npc_users = minetest.formspec_escape(table.concat(npc_users, ", "))
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end
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for key, v in pairs(t or {}) do
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if(c1==0) then
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list_of_npc_users = minetest.formspec_escape(key)
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else
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list_of_npc_users = list_of_npc_users..", "..
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minetest.formspec_escape(key)
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end
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c1 = c1 + 1
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local node_pos_users = yl_speak_up.get_variable_metadata(k_long, "used_by_node_pos")
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c2 = #node_pos_users
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if(node_pos_users and c2 > 0) then
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list_of_node_pos_users = minetest.formspec_escape(table.concat(
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node_pos_users, ", "))
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end
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local t = yl_speak_up.player_vars[ k_long ][ "$META$"]["used_by_node_pos" ]
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if(type(t) ~= "table") then
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t = {}
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end
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for key, v in pairs(t or {}) do
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if(c2==0) then
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list_of_node_pos_users = minetest.formspec_escape(key)
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else
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list_of_node_pos_users = list_of_node_pos_users..", "..
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minetest.formspec_escape(key)
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end
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c2 = c2 + 1
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end
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end
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if(list_of_npc_users == "") then
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list_of_npc_users = "- none -"
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end
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if(list_of_node_pos_users == "") then
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list_of_node_pos_users = "- none -"
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end
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additional_buttons = "button[11.4,1.9;2.5,0.9;show_var_usage;Where is it used?]"..
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"tooltip[show_var_usage;Show which NPC use this variable in which context.]"..
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@ -799,10 +771,9 @@ yl_speak_up.update_stored_npc_data = function(n_id, dialog)
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-- make sure all variables have a metadata field
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for k, v in pairs(yl_speak_up.player_vars) do
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if( yl_speak_up.player_vars[ k ][ "$META$" ]
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and yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc) then
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if(type(yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc) ~= "table") then
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yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc = {}
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end
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and yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc
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and type(yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc) == "table"
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and yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc[ n_id ]) then
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-- delete old entries (the correct new ones will be set shortly after this)
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yl_speak_up.player_vars[ k ][ "$META$"].used_by_npc[ n_id ] = nil
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end
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@ -818,7 +789,11 @@ yl_speak_up.update_stored_npc_data = function(n_id, dialog)
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if(not(yl_speak_up.player_vars[ k ][ "$META$" ])) then
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yl_speak_up.player_vars[ k ][ "$META$"] = { used_by_npc = {} }
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end
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yl_speak_up.player_vars[ k ][ "$META$"][ "used_by_npc" ][ n_id ] = true
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if(not(yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc)
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or type(yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc) ~= "table") then
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yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc = {}
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end
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yl_speak_up.player_vars[ k ][ "$META$"].used_by_npc[ n_id ] = true
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end
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for k, v in pairs(variables_e) do
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-- if the variable does not exist: create it
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@ -828,7 +803,11 @@ yl_speak_up.update_stored_npc_data = function(n_id, dialog)
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if(not(yl_speak_up.player_vars[ k ][ "$META$" ])) then
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yl_speak_up.player_vars[ k ][ "$META$"] = { used_by_npc = {} }
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end
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yl_speak_up.player_vars[ k ][ "$META$"][ "used_by_npc" ][ n_id ] = true
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if(not(yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc)
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or type(yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc) ~= "table") then
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yl_speak_up.player_vars[ k ][ "$META$" ].used_by_npc = {}
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end
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yl_speak_up.player_vars[ k ][ "$META$"].used_by_npc[ n_id ] = true
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end
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-- force writing the data
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yl_speak_up.save_quest_variables(true)
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@ -836,21 +815,22 @@ end
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-- which NPC do use this variable?
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yl_speak_up.get_npc_users_of_variable = function(var_name)
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yl_speak_up.get_variable_metadata = function(var_name, meta_name)
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-- no variable, or nothing stored? then it's not used by any NPC either
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if(not(var_name)
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or not(yl_speak_up.player_vars[ var_name ])
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or not(yl_speak_up.player_vars[ var_name ][ "$META$"])
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or not(yl_speak_up.player_vars[ var_name ][ "$META$"][ "used_by_npc" ])
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or type(yl_speak_up.player_vars[ var_name ][ "$META$"][ "used_by_npc" ]) ~= "table") then
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or not(meta_name)
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or not(yl_speak_up.player_vars[ var_name ])
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or not(yl_speak_up.player_vars[ var_name ][ "$META$"])
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or not(yl_speak_up.player_vars[ var_name ][ "$META$"][ meta_name ])
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or type(yl_speak_up.player_vars[ var_name ][ "$META$"][ meta_name ]) ~= "table") then
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return {}
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end
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local npc_list = {}
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for n_id, v in pairs(yl_speak_up.player_vars[ var_name ][ "$META$"][ "used_by_npc" ]) do
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table.insert(npc_list, n_id)
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local meta_list = {}
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for k, v in pairs(yl_speak_up.player_vars[ var_name ][ "$META$"][ meta_name ]) do
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table.insert(meta_list, k)
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end
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table.sort(npc_list)
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return npc_list
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table.sort(meta_list)
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return meta_list
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end
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@ -863,7 +843,7 @@ yl_speak_up.get_list_of_usage_of_variable = function(var_name, pname, check_prec
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end
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-- which NPC (might be several) is using this variable?
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-- TODO: ..or if the player at least is owner of these NPC or has extended privs
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local npc_list = yl_speak_up.get_npc_users_of_variable(var_name)
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local npc_list = yl_speak_up.get_variable_metadata(var_name, "used_by_npc")
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-- list of all relevant preconditions, actions and effects
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local res = {}
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local count_read = 0
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