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vcmi/scripts/lib/erm/TriggerBase.lua

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local TriggerBase = {}
function TriggerBase:new(o)
o = o or {}
o.id = o.id or {}
o.fn = o.fn or {}
o.y = o.y or {}
o.e = o.e or {}
setmetatable(o, self)
self.__index = self
return o
end
function TriggerBase:call(event)
self.ERM.activeEvent = event
self.ERM.activeTrigger = self
for _, fn in ipairs(self.fn) do
fn(self.e, self.y)
end
self.ERM.activeTrigger = nil
self.ERM.activeEvent = nil
end
function TriggerBase:addHandler(fn)
table.insert(self.fn, fn)
end
function TriggerBase:checkSub(sub, sub_name)
if type(sub) == "string" then
error(sub_name .. " subscription failed: "..sub)
elseif type(sub) ~= "userdata" then
error(sub_name .. " subscription failed")
end
end
return TriggerBase