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lua/entities/lvs_base/sv_shieldsystem.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/
+--]]
+
+
+ENT.ShieldRechargeDelay = 5
+ENT.ShieldRechargeRate = 1
+ENT.ShieldBlockableTypes = {
+	[1] = DMG_BULLET,
+	[2] = DMG_AIRBOAT,
+	[3] = DMG_BUCKSHOT,
+	[4] = DMG_SNIPER,
+}
+
+function ENT:CalcShieldDamage( dmginfo )
+	local MaxShield = self:GetMaxShield()
+
+	if MaxShield <= 0 then return end
+
+	local DMG_ENUM = DMG_GENERIC
+	for _, ENUM in ipairs( self.ShieldBlockableTypes ) do
+		DMG_ENUM = DMG_ENUM + ENUM
+	end
+
+	if not dmginfo:IsDamageType( DMG_ENUM ) then return end
+
+	self:DelayNextShieldRecharge( self.ShieldRechargeDelay )
+
+	local DamageRemaining = self:TakeShieldDamage( dmginfo:GetDamage() )
+
+	dmginfo:SetDamage( DamageRemaining )
+
+	self:OnTakeShieldDamage( dmginfo )
+end
+
+function ENT:CanShieldRecharge()
+	return (self.NextShieldRecharge or 0) < CurTime()
+end
+
+function ENT:DelayNextShieldRecharge( delay )
+	self.NextShieldRecharge = CurTime() + delay
+end
+
+function ENT:ShieldThink()
+	local MaxShield = self:GetMaxShield()
+
+	if MaxShield <= 0 or self:GetShieldPercent() == 1 then return end
+
+	if not self:CanShieldRecharge() then return end
+
+	local Cur = self:GetShield()
+	local Rate = FrameTime() * 20 * self.ShieldRechargeRate
+
+	self:SetShield( Cur + math.Clamp(MaxShield - Cur,-Rate,Rate) )
+end
+
+function ENT:TakeShieldDamage( damage )
+	local cur = self:GetShield()
+	local sub = cur - damage
+	local new = math.Clamp( sub , 0, self:GetMaxShield() )
+
+	self:SetShield( new )
+
+	if sub < 0 then
+		return math.abs( sub )
+	else
+		return 0
+	end
+end
+
+function ENT:OnTakeShieldDamage( dmginfo )
+	if dmginfo:GetDamage() ~= 0 then return end
+
+	local dmgNormal = -dmginfo:GetDamageForce():GetNormalized() 
+	local dmgPos = dmginfo:GetDamagePosition()
+
+	dmginfo:SetDamagePosition( dmgPos + dmgNormal * 250 * self:GetShieldPercent() )
+
+	local effectdata = EffectData()
+		effectdata:SetOrigin( dmginfo:GetDamagePosition() )
+		effectdata:SetEntity( self )
+	util.Effect( "lvs_shield_impact", effectdata )
+end