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addons/tfa-base/lua/tfa/modules/tfa_snd_timescale.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+
+-- Copyright (c) 2018-2020 TFA Base Devs
+
+-- Permission is hereby granted, free of charge, to any person obtaining a copy
+-- of this software and associated documentation files (the "Software"), to deal
+-- in the Software without restriction, including without limitation the rights
+-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+-- copies of the Software, and to permit persons to whom the Software is
+-- furnished to do so, subject to the following conditions:
+
+-- The above copyright notice and this permission notice shall be included in all
+-- copies or substantial portions of the Software.
+
+-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+-- SOFTWARE.
+
+local sv_cheats_cv = GetConVar("sv_cheats")
+local host_timescale_cv = GetConVar("host_timescale")
+local ts
+
+local en_cvar = GetConVar("sv_tfa_soundscale")
+
+hook.Add("EntityEmitSound", "zzz_TFA_EntityEmitSound", function(soundData)
+	local ent = soundData.Entity
+	local modified
+	local weapon
+
+	if ent:IsWeapon() then
+		weapon = ent
+	elseif ent:IsNPC() or ent:IsPlayer() then
+		weapon = ent:GetActiveWeapon()
+	end
+
+	if IsValid(weapon) and weapon.IsTFA and weapon.IsTFAWeapon then
+		if weapon.GonnaAdjuctPitch then
+			soundData.Pitch = soundData.Pitch * weapon.RequiredPitch
+			weapon.GonnaAdjuctPitch = false
+			modified = true
+		end
+
+		if weapon.GonnaAdjustVol then
+			soundData.Volume = soundData.Volume * weapon.RequiredVolume
+			weapon.GonnaAdjustVol = false
+			modified = true
+		end
+	end
+
+	if not en_cvar then return modified end
+	if not en_cvar:GetBool() then return modified end
+	ts = game.GetTimeScale()
+
+	if sv_cheats_cv:GetBool() then
+		ts = ts * host_timescale_cv:GetFloat()
+	end
+
+	if engine.GetDemoPlaybackTimeScale then
+		ts = ts * engine.GetDemoPlaybackTimeScale()
+	end
+
+	if ts ~= 1 then
+		soundData.Pitch = math.Clamp(soundData.Pitch * ts, 0, 255)
+		return true
+	end
+
+	return modified
+end)