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gamemodes/ixhl2rp/plugins/bettergas/meta/sh_player.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/
+--]]
+
+local pairs = pairs
+local math = math
+local ix = ix
+
+local playerMeta = FindMetaTable("Player")
+
+function playerMeta:HasGasmask()
+    local character = self:GetCharacter()
+    if (!character) then return false end
+
+    local inventory = character:GetInventory()
+    if (!inventory) then return false end
+
+    local clothingItems = inventory:GetItems(true)
+    for _, v in pairs(clothingItems) do
+        if (v.isGasmask and v:GetData("equip")) then
+            return true
+        end
+    end
+end
+
+function playerMeta:GetFilterItem()
+    if (!self:HasGasmask()) then return nil end
+
+    local itemID = self:GetCharacter():GetFilterItem()
+    if (ix.item.instances[itemID]) then
+        return ix.item.instances[itemID]
+    end
+end
+
+function playerMeta:GetFilterQuality()
+    local filter = self:GetFilterItem()
+
+    if (!filter) then return 0 end
+
+    if (filter.GetFilterQuality) then
+        return filter:GetFilterQuality()
+    else
+        return filter.filterQuality or 0.1
+    end
+end
+
+function playerMeta:GetFilterValue()
+    local filter = self:GetFilterItem()
+
+    if (!filter) then return 0 end
+
+    return filter:GetData("filterValue", filter.maxFilterValue)
+end
+
+function playerMeta:UpdateFilterValue(amount)
+    local filter = self:GetFilterItem()
+    if (!filter) then return end
+
+    local oldValue = filter:GetData("filterValue", filter.maxFilterValue)
+    filter:SetData("filterValue", math.Clamp(oldValue - amount, 0, filter.maxFilterValue))
+
+    if (ix.option.Get(self, "gasNotificationWarnings") and
+        oldValue >= filter.filterDecayStart * filter.maxFilterValue) then
+        if (filter:GetData("filterValue") == 0) then
+            self:NotifyLocalized("filterOut")
+        elseif (filter:GetData("filterValue") < filter.filterDecayStart * filter.maxFilterValue) then
+            self:NotifyLocalized("filterDecay")
+        end
+    end
+end