1 files changed, 90 insertions, 0 deletions
diff --git a/gamemode/core/pac/cl_pac.lua b/gamemode/core/pac/cl_pac.lua
new file mode 100644
index 0000000..9163d82
--- /dev/null
+++ b/gamemode/core/pac/cl_pac.lua
@@ -0,0 +1,90 @@
+--[[
+	A lazy loader for pac3 costumes, used for weapons/armor/ect.
+]]
+
+--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("This gamemode require PAC3 to display armor/cloths, please be sure clients are downloading this addon 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
+
+timer.Simple(0,function()
+	net.Start("artery_getworldpacs")
+	net.SendToServer()
+end)
+
+file.CreateDir("artery/pacs")
+
+local function loadpac(ent,name,hash)
+	print("Told to apply pac", name, "to ent", ent)
+	local filepath = string.format("artery/pacs/%s.txt",name)
+	local filetext = file.Read(filepath,"DATA")
+	if ent.AttachPACPart == nil then
+		pac.SetupENT(ent)
+		assert(ent.AttachPACPart ~= nil,"Failed to set up ent",ent)
+	end
+	if filetext and (tonumber(util.CRC(filetext)) == hash) then
+		local pactbl = CompileString(string.format("return {%s}",filetext),name)()
+		ent:AttachPACPart(pactbl)
+	else--Cache is old, download the new pac!
+		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("artery/pacs/%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("artery/pacs/%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)