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Add parenting detour functions

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This merges the parenting detour functionality originally from ACF-3 into CFW directly.
This commit is contained in:
thecraftianman 2024-04-18 17:36:55 -04:00
parent c8f4c77543
commit f91bcd8c43
1 changed files with 53 additions and 5 deletions
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58
lua/cfw/core/parenting_sv.lua
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@ -6,27 +6,61 @@ local filter = {
CFW.parentFilter = filter
local detours = {}
function CFW.addParentDetour(class, variable)
if not class then return end
if not variable then return end
detours[class] = function(entity)
return entity[variable]
end
end
hook.Add("Initialize", "CFW", function()
timer.Simple(0, function()
local ENT = FindMetaTable("Entity")
local setParent = ENT.SetParent
local getParent = ENT.GetParent
function ENT:SetParent(newParent, newAttach, ...)
local oldParent = self:GetParent()
-- local oldAttach = self:GetParentAttachment()
local savedParent
local oldParent = getParent(self)
local validNewParent = IsValid(newParent)
local validOldParent = IsValid(oldParent)
if (validOldParent and oldParent.CFW_OnParented) and not validNewParent then
oldParent:CFW_OnParented(self, false)
end
if validNewParent then
local detour = detours[newParent:GetClass()]
if newParent.CFW_OnParented then
savedParent = newParent
end
if detour then
newParent = detour(newParent) or newParent
end
end
setParent(self, newParent, newAttach, ...)
if IsValid(savedParent) then
savedParent:CFW_OnParented(self, true)
end
if self._cfwRemoved then return end -- Removed by an undo
if oldParent == newParent then return end
if filter[self:GetClass()] then return end
if IsValid(oldParent) then disconnect(self, oldParent:EntIndex(), isParent) end
if IsValid(newParent) then connect(self, newParent, isParent) end
if validOldParent then disconnect(self, oldParent:EntIndex(), isParent) end
if validNewParent then connect(self, newParent, isParent) end
if self.CFW_NO_FAMILY_TRAVERSAL then return end
if IsValid(newParent) then
if validNewParent then
if newParent._family then
self:SetFamily(newParent._family)
else
@ -36,6 +70,20 @@ hook.Add("Initialize", "CFW", function()
self:SetFamily(nil)
end
end
function ENT:GetParent()
local parent = getParent(self)
if IsValid(parent) then
local detour = detours[parent:GetClass()]
if detour then
parent = detour(parent) or parent
end
end
return parent
end
end)
hook.Remove("Initialize", "CFW")