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gamemodes/helix/plugins/stamina/attributes/sh_end.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/
+--]]
+
+ATTRIBUTE.name = "Endurance"
+ATTRIBUTE.description = "Affects how long you can run for."

gamemodes/helix/plugins/stamina/attributes/sh_stm.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/
+--]]
+
+ATTRIBUTE.name = "Stamina"
+ATTRIBUTE.description = "Affects how fast you can run."
+
+function ATTRIBUTE:OnSetup(client, value)
+	client:SetRunSpeed(ix.config.Get("runSpeed") + value)
+end

gamemodes/helix/plugins/stamina/sh_plugin.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/
+--]]
+
+PLUGIN.name = "Stamina"
+PLUGIN.author = "Chessnut"
+PLUGIN.description = "Adds a stamina system to limit running."
+
+-- luacheck: push ignore 631
+ix.config.Add("staminaDrain", 1, "How much stamina to drain per tick (every quarter second). This is calculated before attribute reduction.", nil, {
+	data = {min = 0, max = 10, decimals = 2},
+	category = "characters"
+})
+
+ix.config.Add("staminaRegeneration", 1.75, "How much stamina to regain per tick (every quarter second).", nil, {
+	data = {min = 0, max = 10, decimals = 2},
+	category = "characters"
+})
+
+ix.config.Add("staminaCrouchRegeneration", 2, "How much stamina to regain per tick (every quarter second) while crouching.", nil, {
+	data = {min = 0, max = 10, decimals = 2},
+	category = "characters"
+})
+
+ix.config.Add("punchStamina", 10, "How much stamina punches use up.", nil, {
+	data = {min = 0, max = 100},
+	category = "characters"
+})
+-- luacheck: pop
+local function CalcStaminaChange(client)
+	local character = client:GetCharacter()
+
+	if (!character or client:GetMoveType() == MOVETYPE_NOCLIP) then
+		return 0
+	end
+
+	local runSpeed
+
+	if (SERVER) then
+		runSpeed = ix.config.Get("runSpeed") + character:GetAttribute("stm", 0)
+
+		if (client:WaterLevel() > 1) then
+			runSpeed = runSpeed * 0.775
+		end
+	end
+
+	local walkSpeed = ix.config.Get("walkSpeed")
+	local maxAttributes = ix.config.Get("maxAttributes", 100)
+	local offset
+
+	if (client:KeyDown(IN_SPEED) and client:GetVelocity():LengthSqr() >= (walkSpeed * walkSpeed)) then
+		-- characters could have attribute values greater than max if the config was changed
+		offset = -ix.config.Get("staminaDrain", 1) + math.min(character:GetAttribute("end", 0), maxAttributes) / 100
+	else
+		offset = client:Crouching() and ix.config.Get("staminaCrouchRegeneration", 2) or ix.config.Get("staminaRegeneration", 1.75)
+	end
+
+	offset = hook.Run("AdjustStaminaOffset", client, offset) or offset
+
+	if (CLIENT) then
+		return offset -- for the client we need to return the estimated stamina change
+	else
+		local current = client:GetLocalVar("stm", 0)
+		local maxStamina = character:GetMaxStamina() or 100
+		local value = math.Clamp(current + offset, 0, maxStamina)
+
+		if (current != value) then
+			client:SetLocalVar("stm", value)
+
+			if (value == 0 and !client:GetNetVar("brth", false)) then
+				client:SetRunSpeed(walkSpeed)
+				client:SetNetVar("brth", true)
+
+				character:UpdateAttrib("end", 0.1)
+				character:UpdateAttrib("stm", 0.01)
+
+				hook.Run("PlayerStaminaLost", client)
+			elseif (value >= (maxStamina >= 50 and 50 or maxStamina) and client:GetNetVar("brth", false)) then
+				client:SetRunSpeed(runSpeed)
+				client:SetNetVar("brth", nil)
+
+				hook.Run("PlayerStaminaGained", client)
+			end
+		end
+	end
+end
+
+local CHAR = ix.meta.character
+
+function CHAR:GetMaxStamina()
+	return 100
+end
+
+if (SERVER) then
+	function PLUGIN:PostPlayerLoadout(client)
+		local uniqueID = "ixStam" .. client:SteamID()
+
+		timer.Create(uniqueID, 0.25, 0, function()
+			if (!IsValid(client)) then
+				timer.Remove(uniqueID)
+				return
+			end
+
+			CalcStaminaChange(client)
+		end)
+	end
+
+	function PLUGIN:CharacterPreSave(character)
+		local client = character:GetPlayer()
+
+		if (IsValid(client)) then
+			character:SetData("stamina", client:GetLocalVar("stm", 0))
+		end
+	end
+
+	function PLUGIN:PlayerLoadedCharacter(client, character)
+		local maxStamina = character:GetMaxStamina() or 100
+		timer.Simple(0.25, function()
+			client:SetLocalVar("stm", character:GetData("stamina", maxStamina))
+		end)
+	end
+
+	local playerMeta = FindMetaTable("Player")
+
+	function playerMeta:RestoreStamina(amount)
+		local current = self:GetLocalVar("stm", 0)
+		local maxStamina = self:GetCharacter() and self:GetCharacter():GetMaxStamina() or 100
+		local value = math.Clamp(current + amount, 0, maxStamina)
+
+		self:SetLocalVar("stm", value)
+	end
+
+	function playerMeta:ConsumeStamina(amount)
+		local current = self:GetLocalVar("stm", 0)
+		local maxStamina = self:GetCharacter() and self:GetCharacter():GetMaxStamina() or 100
+		local value = math.Clamp(current - amount, 0, maxStamina)
+
+		self:SetLocalVar("stm", value)
+	end
+
+else
+
+	local predictedStamina = 100
+
+	function PLUGIN:Think()
+		local client = LocalPlayer()
+		local maxStamina = client:GetCharacter() and client:GetCharacter():GetMaxStamina() or 100
+		local offset = CalcStaminaChange(client)
+		-- the server check it every 0.25 sec, here we check it every [FrameTime()] seconds
+		offset = math.Remap(FrameTime(), 0, 0.25, 0, offset)
+
+		if (offset != 0) then
+			predictedStamina = math.Clamp(predictedStamina + offset, 0, maxStamina)
+		end
+	end
+
+	function PLUGIN:OnLocalVarSet(key, var)
+		if (key != "stm") then return end
+		if (math.abs(predictedStamina - var) > 5) then
+			predictedStamina = var
+		end
+	end
+
+	ix.bar.Add(function()
+		local client = LocalPlayer()
+		local maxStamina = client:GetCharacter() and client:GetCharacter():GetMaxStamina() or 100
+		return predictedStamina / maxStamina
+	end, Color(200, 200, 40), nil, "stm")
+end