mutators: comments
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1 changed files with 66 additions and 14 deletions
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@ -1,14 +1,34 @@
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local vmf = get_mod("VMF")
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-- List of mods that are also mutators in order in which they should be enabled
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-- This is populated via VMFMod.register_as_mutator
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local mutators = {}
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local mutators_sequence = {}
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-- This lists mutators and which ones should be enabled after them
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-- This is populated via VMFMod.register_as_mutator
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local mutators_sequence = {
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--[[
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this_mutator = {
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"will be enabled",
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"before these ones"
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}
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]]--
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}
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-- So we don't sort after each one is added
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local mutators_sorted = false
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local function update_mutators_sequence(mutator_name, load_these_after)
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--[[
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PRIVATE METHODS
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]]--
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-- Adds mutator names from enable_these_after to the list of mutators that should be enabled after the mutator_name
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local function update_mutators_sequence(mutator_name, enable_these_after)
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if not mutators_sequence[mutator_name] then
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mutators_sequence[mutator_name] = {}
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end
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for _, other_mutator_name in ipairs(load_these_after) do
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for _, other_mutator_name in ipairs(enable_these_after) do
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if mutators_sequence[other_mutator_name] and table.has_item(mutators_sequence[other_mutator_name], mutator_name) then
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vmf:error("Mutators '" .. mutator_name .. "' and '" .. other_mutator_name .. "' are both set to load after the other one.")
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@ -17,36 +37,48 @@ local function update_mutators_sequence(mutator_name, load_these_after)
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end
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end
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table.combine(mutators_sequence[mutator_name], load_these_after)
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table.combine(mutators_sequence[mutator_name], enable_these_after)
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end
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-- This shouldn't happen
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local function error_endless_loop()
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vmf:error("Mutators: too many iterations. Check for loops in 'enable_before_these'/'enable_after_these'.")
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end
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-- Sorts mutators in order they should be enabled
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local function sort_mutators()
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-- LOG --
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vmf:dump(mutators_sequence, "seq", 5)
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for i, v in ipairs(mutators) do
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print(i, v:get_name())
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end
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print("-----------")
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-- /LOG --
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local maxIter = #mutators * #mutators * #mutators
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-- Preventing endless loops (worst case is n*n*(n+1)/2 I believe)
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local maxIter = #mutators * #mutators * (#mutators + 1)/2
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local numIter = 0
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-- The idea is that all mutators before the current one are already in the right order
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-- Starting from second mutator
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local i = 2
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while i <= #mutators do
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local mutator = mutators[i]
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local mutator_name = mutator:get_name()
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local load_these_after = mutators_sequence[mutator_name] or {}
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local enable_these_after = mutators_sequence[mutator_name] or {}
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-- Going back from the previous mutator
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local j = i - 1
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while j > 0 do
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local other_mutator = mutators[j]
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if table.has_item(load_these_after, other_mutator:get_name()) then
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-- Moving it after the current one if it is to be enabled after it
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if table.has_item(enable_these_after, other_mutator:get_name()) then
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table.remove(mutators, j)
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table.insert(mutators, i, other_mutator)
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-- This will shift the current mutator back, so adjust the index
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i = i - 1
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end
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j = j - 1
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@ -62,29 +94,37 @@ local function sort_mutators()
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end
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mutators_sorted = true
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-- LOG --
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for i, v in ipairs(mutators) do
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print(i, v:get_name())
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end
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print("-----------")
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-- /LOG --
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end
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-- Enables/disables mutator while preserving the sequence in which they were enabled
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local function set_mutator_state(self, state)
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local i = table.index_of(mutators, self)
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if i == nil then
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self:error("Mutator isn't in the list")
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return
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end
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-- Sort mutators if this is the first call
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if not mutators_sorted then
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sort_mutators()
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end
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local disabled_mutators = {}
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local load_these_after = mutators_sequence[self:get_name()]
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local enable_these_after = mutators_sequence[self:get_name()]
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if load_these_after and #mutators > i then
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-- Disable mutators that were and are required to be enabled after the current one
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-- This will be recursive so that if mutator2 requires mutator3 to be enabled after it, mutator3 will be disabled before mutator2
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-- Yeah this is super confusing
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if enable_these_after and #mutators > i then
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for j = #mutators, i + 1, -1 do
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if mutators[j]:is_enabled() and table.has_item(load_these_after, mutators[j]:get_name()) then
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if mutators[j]:is_enabled() and table.has_item(enable_these_after, mutators[j]:get_name()) then
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print("Disabled ", mutators[j]:get_name())
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mutators[j]:disable()
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table.insert(disabled_mutators, 1, mutators[j])
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@ -92,6 +132,7 @@ local function set_mutator_state(self, state)
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end
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end
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-- Enable/disable current mutator
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if state then
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print("Enabled ", self:get_name(), "!")
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VMFMod.enable(self)
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@ -100,6 +141,8 @@ local function set_mutator_state(self, state)
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VMFMod.disable(self)
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end
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-- Re-enable disabled mutators
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-- This will be recursive
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if #disabled_mutators > 0 then
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for j = #disabled_mutators, 1, -1 do
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print("Enabled ", disabled_mutators[j]:get_name())
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@ -109,14 +152,23 @@ local function set_mutator_state(self, state)
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print("---------")
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end
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-- Enables mutator (pcall for now)
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local function enable_mutator(self)
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vmf:pcall(function() set_mutator_state(self, true) end)
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end
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-- Disables mutator (pcall for now)
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local function disable_mutator(self)
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vmf:pcall(function() set_mutator_state(self, false) end)
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end
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--[[
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PUBLIC METHODS
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]]--
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-- Turns a mod into a mutator
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-- For now all it does is creates a sequence in which they need to be enabled/disabled
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VMFMod.register_as_mutator = function(self, config)
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if not config then config = {} end
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@ -148,7 +200,10 @@ VMFMod.register_as_mutator = function(self, config)
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self:init_state(false)
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end
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-- Testing
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--[[
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Testing
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--]]
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local mutation = new_mod("mutation")
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local deathwish = new_mod("deathwish")
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local mutator3 = new_mod("mutator3")
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@ -166,9 +221,6 @@ mutator555.on_disabled = function() end
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deathwish:register_as_mutator({
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enable_after_these = {
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"mutation"
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},
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enable_before_these = {
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"mutator555",
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"mutator3",
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