E2Lib.RegisterExtension("spawnhook", true)
--[[
	Spawn Hooks by SonicXVe
	xvsgame@gmail.com
	
	This extension adds support for pre and post spawning of objects (Props, Effects and Ragdolls)
	It also allows admins to deny spawning using the Pre hooks
	
	Command syntax of Post-Spawn functions:

]]

local rchips = {}
local hookrun = 0
local prerchips = {}
local prehookrun = 0

-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

__e2setcost(10)

--- Returns the entity created by the hook
e2function entity spawnObject()
	if hookrun then return hookProp end
end

__e2setcost(20)

--- Returns player that created the object
e2function entity spawnClk()
	if hookrun then return hookOwner end
end

-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

local function spawnTick(player,model,enty)
	local rcopy = {}
	
	-- This is necessary because the E2 cannot modify its registration if the table is being iterated.
	rcopy=rchips
	
	hookrun = 1
	hookProp = enty
	hookOwner = player
	for ent,dex in pairs(rcopy) do
		if not ValidEntity(ent) then
			table.remove(rchips,table.KeyFromValue(rchips,ent))
			continue
		end
		local exec = false
		if dex["any"] == 1 then
			exec = true
		else
			for val,_ in pairs(dex) do
				if val == "any" or not ValidEntity(val) then continue elseif val == player then exec = true end
			end
		end
		if exec then ent:Execute() end
	end
	hookrun = 0
	hookProp = nil
	hookOwner = nil
end

-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

__e2setcost(10)

--- Set to a player to run on spawned prop, ragdoll, or effect by that player (Recommended, considerably fewer 'Ops' than running on any player)
e2function void runOnSpawn(entity ply, run)
	if not ValidEntity(ply) then return end
	local idex = {}
	if ValidEntity(rchips[self.entity]) then
		idex = rchips[self.entity]
	end
    if run ~= 0 then
		if not idex["any"] then idex["any"] = 0  end
		idex[ply] = 1
    else
		table.remove(idex,table.KeyFromValue(idex,ply))
    end
	rchips[self.entity] = idex
end

__e2setcost(2)

--- Set to 1 to run on any spawned prop, ragdoll, or effect (Not recommended, heavy prop spam may force chip to exceed tick quota)
e2function void runOnSpawn(run)
	local idex = {}
	if ValidEntity(rchips[self.entity]) then
		idex = rchips[self.entity]
	end
    if run ~= 0 then
		idex["any"] = 1
    else
		idex["any"] = 0
    end
	rchips[self.entity] = idex
end

-------------------------------------------------------------------------------
-------------------------------------------------------------------------------











--[[
	PRESPAWN HOOKS
	Command syntax of Pre-Spawn functions:

]]

-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

__e2setcost(10)

--- Returns player that is creating the object
e2function entity prespawnClk()
	if prehookrun then return prehookOwner end
end

__e2setcost(10)

--- Set to 1 to deny prop from spawning (Admin only)
e2function void prespawnDeny(block)
	if self.player:IsAdmin() and prehookrun and block ~= 0 then
		prehookbreak=1
    else
		prehookbreak=0
	end
end
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

local function prespawnTick(player)
	local rcopy = {}
	
	-- This is necessary because the E2 cannot modify its registration if the table is being iterated.
	rcopy=prerchips
	
	prehookrun = 1
	prehookbreak = 0
	prehookOwner = player
	for ent,dex in pairs(rcopy) do
		if not ValidEntity(ent) then
			table.remove(prerchips,table.KeyFromValue(prerchips,ent))
			continue
		end
		local exec = false
		if dex["any"] == 1 then
			exec = true
		else
			for val,_ in pairs(dex) do
				if val == "any" or not ValidEntity(val) then continue elseif val == player then exec = true end
			end
		end
		if exec then ent:Execute() end
		if prehookbreak != 0 then break end
	end
	prehookrun = 0
	prehookOwner = nil
	if prehookbreak != 0 then return false end
end

-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

__e2setcost(4)

--- Set to a player to run before spawned prop, ragdoll, or effect by that player (Allows admins to deny spawning)
e2function void runOnPrespawn(entity ply, run)
	if not ValidEntity(ply) then return end
	local idex = {}
	if ValidEntity(prerchips[self.entity]) then
		idex = prerchips[self.entity]
	end
    if run ~= 0 then
		if not idex["any"] then idex["any"] = 0  end
		idex[ply] = 1
    else
		table.remove(idex,table.KeyFromValue(idex,ply))
    end
	prerchips[self.entity] = idex
end

__e2setcost(1)

--- Set to 1 to run before any spawned prop, ragdoll, or effect (Allows admins to deny spawning)
e2function void runOnPrespawn(run)
	local idex = {}
	if ValidEntity(prerchips[self.entity]) then
		idex = prerchips[self.entity]
	end
    if run ~= 0 then
		idex["any"] = 1
    else
		idex["any"] = 0
    end
	prerchips[self.entity] = idex
end


-------------------------------------------------------------------------------
-------------------------------------------------------------------------------

hook.Add( "PlayerSpawnObject", "E2PreSpawnHook", prespawnTick)
hook.Add( "PlayerSpawnedProp", "E2SpawnHook1", spawnTick)
hook.Add( "PlayerSpawnedRagdoll", "E2SpawnHook2", spawnTick)
hook.Add( "PlayerSpawnedEffect", "E2SpawnHook3", spawnTick)