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RedMew/map_gen/Diggy/Scenario.lua
2018-10-07 17:37:29 +02:00

90 lines
2.5 KiB
Lua

-- dependencies
local Config = require 'map_gen.Diggy.Config'
local Debug = require 'map_gen.Diggy.Debug'
local ScenarioInfo = require 'info'
local Event = require 'utils.event'
require 'utils.list_utils'
require 'utils.utils'
-- this
local Scenario = {}
-- private state
local scenario_registered = false
--[[--
Allows calling a callback for each enabled feature.
Signature: callback(feature_name, Table feature_data) from {@see Config.features}.
@param if_enabled function to be called if enabled
]]
local function each_enabled_feature(if_enabled)
local type = type(if_enabled)
if ('function' ~= type) then
error('each_enabled_feature expects callback to be a function, given type: ' .. type)
end
for current_name, feature_data in pairs(Config.features) do
if (nil == feature_data.enabled) then
error('Feature ' .. current_name .. ' did not define the enabled property.')
end
if (feature_data.enabled) then
if_enabled(current_name, feature_data)
end
end
end
--[[--
Register the events required to initialize the scenario.
]]
function Scenario.register(debug)
if scenario_registered then
error('Cannot register the scenario multiple times.')
return
end
if ('boolean' == type(debug)) then
Config.Debug = debug
end
if (Config.debug) then
Debug.enable_debug()
end
if (Config.cheats) then
Debug.enable_cheats()
end
local extra_map_info = ''
each_enabled_feature(
function(feature_name, feature_config)
local feature = require ('map_gen.Diggy.Feature.' .. feature_name)
if ('function' ~= type(feature.register)) then
error('Feature ' .. feature_name .. ' did not define a register function.')
end
feature.register(feature_config)
if ('function' == type(feature.get_extra_map_info)) then
extra_map_info = extra_map_info .. feature.get_extra_map_info(feature_config) .. '\n\n'
end
if ('function' == type(feature.on_init)) then
Event.on_init(feature.on_init)
end
end
)
ScenarioInfo.set_map_name('Diggy')
ScenarioInfo.set_map_description('Dig your way through!')
ScenarioInfo.set_map_extra_info(extra_map_info)
scenario_registered = true
end
return Scenario