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------------------------------------------------------------------------------
-- lm_toll.lua:
-- One-way toll-stair marker.
------------------------------------------------------------------------------
require("clua/lm_1way.lua")
TollStair = util.subclass(OneWayStair)
TollStair.CLASS = "TollStair"
function TollStair:new(props)
local toll = self.super.new(self, props)
if not props.amount or props.amount < 1 then
error("Bad toll amount: " .. props.amount)
end
toll.seen = 0
return toll
end
function TollStair:activate(marker)
self.super.activate(self, marker)
dgn.register_listener(dgn.dgn_event_type("v_leave_level"),
marker, marker:pos())
dgn.register_listener(dgn.dgn_event_type("player_los"),
marker, marker:pos())
end
function TollStair:check_shopping_list(marker, first_time)
local name = self.props.overmap
if you.shopping_list_has(name, marker) then
return
end
local ask_name = name
if first_time then
ask_name = "" .. self.props.amount .. " gp " .. ask_name
end
if crawl.yesno("Add " .. ask_name .. " to shopping list? (y/N)",
true, "n")
then
local verb = self.props.shop_verb or "enter"
you.shopping_list_add(name, verb, self.props.amount, marker)
crawl.mpr("You can access your shopping list by pressing '$'.")
end
end
function TollStair:event(marker, ev)
if ev:type() == dgn.dgn_event_type('player_los') then
local x, y = ev:pos()
-- Only prompt to add to shopping list the first time we are seen.
if self.seen == 1 then
return true
end
self.seen = 1
if self.props.amount <= you.gold() then
return true
end
self:check_shopping_list(marker, true)
return true
end
return self.super.event(self, marker, ev)
end
function TollStair:check_veto(marker, pname)
-- Have we enough gold?
local gold = you.gold()
local needed = self.props.amount
if gold < needed then
crawl.mpr("This portal charges " .. needed .. " gold for entry; " ..
"you have only " .. gold .. " gold.")
self:check_shopping_list(marker)
return "veto"
end
if pname == "veto_stair" then
-- Ok, ask if the player wants to spend the $$$.
if not crawl.yesno("This portal charges " .. needed ..
" gold for entry. Pay?", true, "n") then
self:check_shopping_list(marker)
return "veto"
end
elseif pname == "veto_level_change" then
local name = self.props.overmap
if you.shopping_list_has(name, marker) then
crawl.mpr("Removing " .. name .. " from shopping list")
you.shopping_list_del(name, marker)
end
-- Gold gold gold! Forget that gold!
you.gold(you.gold() - needed)
local toll_desc
if self.props.toll_desc then
toll_desc = self.props.toll_desc
else
toll_desc = "at " .. crawl.article_a(self.props.desc)
end
crawl.take_note("You paid a toll of " .. needed .. " gold " ..
toll_desc .. ".")
return
end
end
function TollStair:property(marker, pname)
if pname == 'veto_stair' or pname == 'veto_level_change' then
return self:check_veto(marker, pname)
end
if pname == 'feature_description_long' then
return self:feature_description_long(marker)
end
return self.super.property(self, marker, pname)
end
function TollStair:feature_description_long(marker)
local desc = self:unmangle(self.props.desc_long)
if desc then
desc = desc .. "\n\n"
else
desc = ""
end
return desc .. "The portal charges " .. self.props.amount .. " for entry.\n"
end
function TollStair:write(marker, th)
TollStair.super.write(self, marker, th)
file.marshall(th, self.seen)
end
function TollStair:read(marker, th)
TollStair.super.read(self, marker, th)
self.seen = file.unmarshall_number(th)
setmetatable(self, TollStair)
return self
end
function toll_stair(pars)
return TollStair:new(pars)
end
|
