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--As soon as the client connects, request the names of all the pac's on the server
--If the player dosen't have PAC3 installed, then overwrite all pac-related network events to display an error.
if pac == nil then
local function no_pac_panic()
error("CapsAdmin's PAC3 is required for items, please download it from somewhere (perferably the workshop!)")
end
local networkmsgs = {
"artery_downloadpac",
"artery_applypac",
"artery_giveworldpacs",
"artery_removepac"
}
for k,v in pairs(networkmsgs) do
net.Receive(v,no_pac_panic)
end
no_pac_panic()
return --Don't execute this file!
end
local CLIENT_PAC_DIR = "artery/client/pacs"
file.CreateDir(CLIENT_PAC_DIR)
local function loadpac(ent,name,hash)
if (not ent) or (not ent:IsValid()) then
timer.Simple(1,function()
loadpac(ent,name,hash)
end)
return
end
print("Told to apply pac", name, "to ent", ent)
local filepath = string.format(CLIENT_PAC_DIR .. "/%s.txt",name)
local filetext = file.Read(filepath,"DATA")
if ent.AttachPACPart == nil then
pac.SetupENT(ent)
if ent.AttachPACPart == nil then
timer.Simple(1,function()
loadpac(ent,name,hash)
end)
return
end
end
if filetext and (tonumber(util.CRC(filetext)) == hash) then
print("The file on our local system is up to date, applying!")
local pactbl = CompileString(string.format("return {%s}",filetext),name)()
ent:AttachPACPart(pactbl)
else--Cache is old, download the new pac!
print("The file on our local system was out of date! Downloading...")
net.Start("artery_requestpac")
net.WriteString(name)
net.SendToServer()
--1 second is probably long enough to download a pac, right?
timer.Simple(1,function()
loadpac(ent,name,hash)
end)
end
end
local function unloadpac(ent,name,hash)
local filepath = string.format(CLIENT_PAC_DIR .. "/%s.txt",name)
local filetext = file.Read(filepath,"DATA")
local pactbl = CompileString(string.format("return {%s}",filetext),name)()
ent:RemovePACPart(pactbl)
end
net.Receive("artery_downloadpac",function()
local pac_name = net.ReadString()
local pac_txt = net.ReadString()
--local pac_hash = net.ReadUInt(32)
local filepath = string.format(CLIENT_PAC_DIR .. "/%s.txt",pac_name)
file.Write(filepath,pac_txt)
end)
net.Receive("artery_applypac",function()
local pac_ent = net.ReadEntity()
local pac_name = net.ReadString()
local pac_hash = net.ReadUInt(32)
loadpac(pac_ent,pac_name,pac_hash)
end)
net.Receive("artery_giveworldpacs",function()
local pactbl = net.ReadTable()
for ent,pacnames in pairs(pactbl) do
for name, hash in pairs(pacnames) do
loadpac(ent,name,hash)
end
end
end)
net.Receive("artery_removepac",function()
local pac_ent = net.ReadEntity()
local pac_name = net.ReadString()
local pac_hash = net.ReadUInt(32)
unloadpac(pac_ent,pac_name,pac_hash)
end)
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