tibia-client/modules/client_extended/extended.lua

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2012-05-15 22:37:09 +02:00
Extended = {}
-- private variables
local callbacks = {}
-- hooked functions
local function onExtendedOpcode(protocol, opcode, buffer)
local callback = callbacks[opcode]
if callback then
callback(protocol, opcode, buffer)
2012-05-15 22:37:09 +02:00
end
end
-- public functions
function Extended.init()
connect(ProtocolGame, { onExtendedOpcode = onExtendedOpcode } )
end
function Extended.terminate()
disconnect(ProtocolGame, { onExtendedOpcode = onExtendedOpcode } )
callbacks = nil
Extended = nil
end
function Extended.register(opcode, callback)
if not callback or type(callback) ~= 'function' then
error('Invalid callback.')
return false
end
if opcode < 0 or opcode > 255 then
error('Invalid opcode. Range: 0-255')
return false
end
if callbacks[opcode] then
error('Opcode is already taken.')
return false
end
callbacks[opcode] = callback
return true
end
function Extended.unregister(opcode)
if opcode < 0 or opcode > 255 then
error('Invalid opcode. Range: 0-255')
return false
end
if not callbacks[opcode] then
error('Opcode is not registered.')
return false
end
callbacks[opcode] = nil
return true
end