mirror of
https://github.com/TeTpaAka/quests.git
synced 2024-11-10 20:40:23 +01:00
273 lines
8.7 KiB
Lua
273 lines
8.7 KiB
Lua
quests = {}
|
|
quests.registered_quests = {}
|
|
quests.hud = {}
|
|
|
|
local show_max = 10 -- the maximum visible quests.
|
|
|
|
-- reading previous quests
|
|
local file = io.open(minetest.get_worldpath().."/quests", "r")
|
|
if file then
|
|
print "Reading quests..."
|
|
quests = minetest.deserialize(file:read("*all"))
|
|
file:close()
|
|
end
|
|
quests.formspec_lists = {}
|
|
|
|
-- call this function to enable the HUD for the player that shows his quests
|
|
-- the HUD can only show up to show_max quests
|
|
function quests.show_hud(playername)
|
|
if (quests.hud[playername] ~= nil) then
|
|
return
|
|
end
|
|
local hud = {
|
|
hud_elem_type = "text",
|
|
position = {x = 1, y = 0.3},
|
|
offset = {x = -150, y = 0},
|
|
scale = {x = 100, y = -50},
|
|
number = 0xCACA00,
|
|
text = "Open Quests:" }
|
|
|
|
|
|
|
|
local player = minetest.get_player_by_name(playername)
|
|
if (player == nil) then
|
|
return
|
|
end
|
|
quests.hud[playername] = player:hud_add(hud)
|
|
minetest.after(0, quests.update_hud, playername)
|
|
end
|
|
|
|
-- call this method to hide the hud
|
|
function quests.hide_hud(playername)
|
|
local player = minetest.get_player_by_name(playername)
|
|
if (player == nil) then
|
|
return
|
|
end
|
|
player:hud_remove(quests.hud[playername])
|
|
quests.hud[playername] = nil
|
|
end
|
|
|
|
local function round(num, n)
|
|
local mult = 10^(n or 0)
|
|
return math.floor(num * mult + .5) / mult
|
|
end
|
|
|
|
-- only for internal use
|
|
-- updates the hud
|
|
function quests.update_hud(playername)
|
|
if (quests.hud[playername] == nil) then
|
|
return
|
|
end
|
|
local player = minetest.get_player_by_name(playername)
|
|
if (player == nil) then
|
|
return
|
|
end
|
|
local counter = 0
|
|
local text = "Open Quests:\n\n"
|
|
if (quests.registered_quests[playername] ~= nil) then
|
|
for questname,questspecs in pairs(quests.registered_quests[playername]) do
|
|
text = text .. questspecs["description"].."\n (" .. round(questspecs["value"], 2) .. "/" .. questspecs["max"] .. ")\n"
|
|
counter = counter + 1
|
|
if (counter >= show_max) then
|
|
break
|
|
end
|
|
end
|
|
end
|
|
player:hud_change(quests.hud[playername], "text", text)
|
|
end
|
|
|
|
|
|
|
|
-- show the HUDs
|
|
for playername,id in pairs(quests.hud) do
|
|
if (id ~= nil) then
|
|
quests.hud[playername] = nil
|
|
minetest.after(10, function(playername)
|
|
quests.show_hud(playername)
|
|
quests.update_hud(playername)
|
|
end, playername)
|
|
end
|
|
end
|
|
|
|
|
|
|
|
-- registers a quest for the specified player
|
|
--
|
|
-- playername is the name of the player, who gets the quest
|
|
-- questname is the name of the quest to identify it later
|
|
-- it should follow the naming conventions: "modname:questname"
|
|
-- description is shown to the player and should contain usefull information about the quest.
|
|
-- max is the desired maximum
|
|
-- autoaccept is true or false, wether the result of the quest should be dealt
|
|
-- by this mode or the registering mod
|
|
-- when autoaccept is true, at the end of the quest, it gets removed and
|
|
-- callback is called
|
|
--
|
|
-- returns true, when the quest was successfully registered
|
|
-- returns falls, when there was already such a quest
|
|
function quests.register_quest(playername, questname, description, max, autoaccept, callback)
|
|
if (quests.registered_quests[playername] == nil) then
|
|
quests.registered_quests[playername] = {}
|
|
end
|
|
if (quests.registered_quests[playername][questname] ~=nil) then
|
|
return false -- The quest was not registered since there already a quest with that name
|
|
end
|
|
quests.registered_quests[playername][questname] =
|
|
{ value = 0,
|
|
description = description,
|
|
max = max,
|
|
autoaccept = autoaccept,
|
|
callback = callback }
|
|
quests.update_hud(playername)
|
|
return true
|
|
end
|
|
|
|
-- when something happens that has effect on a quest, a mod should call this method
|
|
-- playername is the name of the player
|
|
-- questname is the quest which gets updated
|
|
-- the quest gets updated by value
|
|
-- this method calls a previously specified callback if autoaccept is true
|
|
-- returns true if the quest is finished
|
|
-- returns false if there is no such quest or the quest continues
|
|
function quests.update_quest(playername, questname, value)
|
|
if (quests.registered_quests[playername] == nil) then
|
|
quests.registered_quests[playername] = {}
|
|
end
|
|
if (quests.registered_quests[playername][questname] == nil) then
|
|
return false -- there is no such quest
|
|
end
|
|
if (value == nil) then
|
|
return false -- no value given
|
|
end
|
|
quests.registered_quests[playername][questname]["value"] = quests.registered_quests[playername][questname]["value"] + value
|
|
if (quests.registered_quests[playername][questname]["value"] >= quests.registered_quests[playername][questname]["max"]) then
|
|
quests.registered_quests[playername][questname]["value"] = quests.registered_quests[playername][questname]["max"]
|
|
if (quests.registered_quests[playername][questname]["autoaccept"]) then
|
|
if (quests.registered_quests[playername][questname]["callback"] ~= nil) then
|
|
quests.registered_quests[playername][questname]["callback"](playername, questname)
|
|
end
|
|
quests.registered_quests[playername][questname] = nil
|
|
quests.update_hud(playername)
|
|
end
|
|
return true -- the quest is finished
|
|
end
|
|
quests.update_hud(playername)
|
|
return false -- the quest continues
|
|
end
|
|
|
|
-- When the mod handels the end of quests himself, e.g. you have to talk to somebody to finish the quest,
|
|
-- you have to call this method to end a quest
|
|
-- returns true, when the quest is completed
|
|
-- returns false, when the quest is still ongoing
|
|
function quests.accept_quest(playername, questname)
|
|
if (quests.registered_quests[playername][questname]) then
|
|
quests.registered_quests[playername][questname] = nil
|
|
quests.update_hud(playername)
|
|
return true -- the quest is finished, the mod can give a reward
|
|
end
|
|
return false -- the quest hasn't finished
|
|
end
|
|
|
|
-- call this method, when you want to end a quest even when it was not finished
|
|
-- example: the player failed
|
|
function quests.abort_quest(playername, questname)
|
|
if (questname == nil) then
|
|
return
|
|
end
|
|
quests.registered_quests[playername][questname] = nil
|
|
quests.update_hud(playername)
|
|
end
|
|
|
|
-- construct the questlog
|
|
function quests.create_formspec(playername)
|
|
local questlist = {}
|
|
quests.formspec_lists[playername] = {}
|
|
quests.formspec_lists[playername].id = 1
|
|
quests.formspec_lists[playername].list = {}
|
|
for questname,questspecs in pairs(quests.registered_quests[playername]) do
|
|
table.insert(questlist, questspecs["description"] .. " - (" .. round(questspecs["value"], 2) .. "/" .. questspecs["max"] .. ")")
|
|
table.insert(quests.formspec_lists[playername].list, questname)
|
|
end
|
|
local formspec = "size[7,9]"..
|
|
"textlist[0.25,0.25;6.5,7.5;questlist;"..table.concat(questlist, ",") .. ";1;false]" ..
|
|
"button[0.25,8;3,.7;abort;Abort quest]" ..
|
|
"button[3.75,8;3,.7;config;Configure]"
|
|
return formspec
|
|
end
|
|
|
|
-- construct the configuration
|
|
function quests.create_config(playername)
|
|
local formspec = "size[7,3]" ..
|
|
"checkbox[.25,.25;enable;Enable HUD;"
|
|
if(quests.hud[playername] ~= nil) then
|
|
formspec = formspec .. "true"
|
|
else
|
|
formspec = formspec .. "false"
|
|
end
|
|
formspec = formspec .. "]"..
|
|
"button[.25,1.25;3,.7;return;Return"
|
|
return formspec
|
|
end
|
|
|
|
-- chatcommand to see a full list of quests:
|
|
minetest.register_chatcommand("quests", {
|
|
params = "",
|
|
description = "Show all open quests",
|
|
func = function(name, param)
|
|
minetest.show_formspec(name, "quests:questlog", quests.create_formspec(name))
|
|
return true
|
|
end
|
|
})
|
|
|
|
-- Handle the return fields of the questlog
|
|
minetest.register_on_player_receive_fields(function(player, formname, fields)
|
|
if (player == nil) then
|
|
return
|
|
end
|
|
local playername = player:get_player_name();
|
|
if (playername == "") then
|
|
return
|
|
end
|
|
if (formname == "quests:questlog") then
|
|
if (fields["questlist"]) then
|
|
local event = minetest.explode_textlist_event(fields["questlist"])
|
|
if (event.type == "CHG") then
|
|
quests.formspec_lists[playername].id = event.index
|
|
end
|
|
end
|
|
if (fields["abort"]) then
|
|
if (quests.formspec_lists[playername].id == nil) then
|
|
return
|
|
end
|
|
quests.abort_quest(playername, quests.formspec_lists[playername]["list"][quests.formspec_lists[playername].id])
|
|
minetest.show_formspec(playername, "quests:questlog", quests.create_formspec(playername))
|
|
end
|
|
if (fields["config"]) then
|
|
minetest.show_formspec(playername, "quests:config", quests.create_config(playername))
|
|
end
|
|
end
|
|
if (formname == "quests:config") then
|
|
if (fields["enable"]) then
|
|
if (fields["enable"] == "true") then
|
|
quests.show_hud(playername)
|
|
else
|
|
quests.hide_hud(playername)
|
|
end
|
|
end
|
|
if (fields["return"]) then
|
|
minetest.show_formspec(playername, "quests:questlog", quests.create_formspec(playername))
|
|
end
|
|
end
|
|
end)
|
|
|
|
-- write the quests to file
|
|
minetest.register_on_shutdown(function()
|
|
print "Writing quests to file"
|
|
local file = io.open(minetest.get_worldpath().."/quests", "w")
|
|
if (file) then
|
|
file:write(minetest.serialize({registered_quests = quests.registered_quests,
|
|
hud = quests.hud}))
|
|
file:close()
|
|
end
|
|
end)
|