Dota-Zombie-Invasion/scripts/vscripts/cards/examples/card_77.lua

local ____lualib = require("lualib_bundle")
local __TS__Class = ____lualib.__TS__Class
local __TS__ClassExtends = ____lualib.__TS__ClassExtends
local __TS__Decorate = ____lualib.__TS__Decorate
local ____exports = {}
local ____CardSystem = require("cards.CardSystem")
local CardBase = ____CardSystem.CardBase
local RegisterCard = ____CardSystem.RegisterCard
local ____CardBaseModifier = require("cards.CardBaseModifier")
local CardBaseModifier = ____CardBaseModifier.CardBaseModifier
local ____dota_ts_adapter = require("lib.dota_ts_adapter")
local registerModifier = ____dota_ts_adapter.registerModifier
local ____incoming_damage_reduction_combine = require("utils.incoming_damage_reduction_combine")
local removeIncomingDamageReductionSource = ____incoming_damage_reduction_combine.removeIncomingDamageReductionSource
local setIncomingDamageReductionEventSource = ____incoming_damage_reduction_combine.setIncomingDamageReductionEventSource
local CARD_ID = 77
local CARD_77_INCOMING_SOURCE = "modifier_card_77"
local MANA_SHIELD_PARTICLE = "particles/econ/items/medusa/medusa_daughters/medusa_daughters_mana_shield_shell_impact_d.vpcf"
____exports.card_77 = __TS__Class()
local card_77 = ____exports.card_77
card_77.name = "card_77"
card_77.____file_path = "scripts/vscripts/cards/examples/card_77.lua"
__TS__ClassExtends(card_77, CardBase)
function card_77.prototype.GetModifierName(self)
    return "modifier_card_77"
end
card_77 = __TS__Decorate(card_77, card_77, {RegisterCard}, {kind = "class", name = "card_77"})
____exports.card_77 = card_77
____exports.modifier_card_77 = __TS__Class()
local modifier_card_77 = ____exports.modifier_card_77
modifier_card_77.name = "modifier_card_77"
modifier_card_77.____file_path = "scripts/vscripts/cards/examples/card_77.lua"
__TS__ClassExtends(modifier_card_77, CardBaseModifier)
function modifier_card_77.prototype.getValue(self, key, fallback)
    return self:getCardValue(key, fallback, CARD_ID)
end
function modifier_card_77.prototype.OnCustomRefresh(self, _params)
    if not IsServer() then
        return
    end
    removeIncomingDamageReductionSource(
        nil,
        self:GetParent(),
        CARD_77_INCOMING_SOURCE
    )
    self:OnCustomCreated(_params)
end
function modifier_card_77.prototype.OnCustomCreated(self, params)
    if not IsServer() then
        return
    end
    setIncomingDamageReductionEventSource(
        nil,
        self:GetParent(),
        CARD_77_INCOMING_SOURCE,
        function(____, event)
            local hero = self:GetParent()
            if not hero or not IsValidEntity(hero) or not hero:IsAlive() or not hero:IsRealHero() then
                return 0
            end
            local reducePct = math.min(
                95,
                math.max(
                    1,
                    math.floor(self:getScaledCardValue("damage_reduction_pct", 60))
                )
            )
            local manaPerMitigated = math.max(
                0.01,
                self:getScaledCardValue("mana_per_mitigated_damage", 1)
            )
            local baseDamage = self:readBaseDamageFromAttackEvent(event)
            if baseDamage <= 0 then
                return 0
            end
            local targetBlocked = baseDamage * (reducePct / 100)
            local maxBlockedFromMana = hero:GetMana() / manaPerMitigated
            local actualBlocked = math.min(targetBlocked, maxBlockedFromMana)
            if actualBlocked <= 0 then
                return 0
            end
            return math.max(0, actualBlocked / baseDamage * 100)
        end
    )
end
function modifier_card_77.prototype.OnDestroy(self)
    if not IsServer() then
        return
    end
    removeIncomingDamageReductionSource(
        nil,
        self:GetParent(),
        CARD_77_INCOMING_SOURCE
    )
end
function modifier_card_77.prototype.DeclareFunctions(self)
    return {MODIFIER_EVENT_ON_TAKEDAMAGE, MODIFIER_PROPERTY_TOOLTIP}
end
function modifier_card_77.prototype.GetEffectName(self)
    return "particles/units/heroes/hero_medusa/medusa_mana_shield.vpcf"
end
function modifier_card_77.prototype.GetEffectAttachType(self)
    return PATTACH_ABSORIGIN_FOLLOW
end
function modifier_card_77.prototype.readBaseDamageFromAttackEvent(self, event)
    local raw = event
    local fromOriginal = raw.original_damage
    if fromOriginal ~= nil and fromOriginal ~= nil and fromOriginal > 0 then
        return fromOriginal
    end
    local d = raw.damage
    if d ~= nil and d ~= nil and d > 0 then
        return d
    end
    return 0
end
function modifier_card_77.prototype.OnTakeDamage(self, event)
    if not IsServer() then
        return
    end
    local parent = self:GetParent()
    if not parent or not IsValidEntity(parent) or not parent:IsAlive() or not parent:IsRealHero() then
        return
    end
    if event.unit ~= parent then
        return
    end
    local reducePct = math.min(
        95,
        math.max(
            1,
            math.floor(self:getScaledCardValue("damage_reduction_pct", 60))
        )
    )
    local manaPerMitigated = math.max(
        0.01,
        self:getScaledCardValue("mana_per_mitigated_damage", 1)
    )
    local rawEv = event
    local original = rawEv.original_damage ~= nil and rawEv.original_damage ~= nil and rawEv.original_damage or event.damage
    local finalDamage = event.damage
    if original <= 0 then
        return
    end
    local totalMitigated = math.max(0, original - finalDamage)
    if totalMitigated <= 0 then
        return
    end
    local expectedFromCard = original * (reducePct / 100)
    local attributedBlock = math.min(expectedFromCard, totalMitigated)
    if attributedBlock <= 0 then
        return
    end
    local manaCost = attributedBlock * manaPerMitigated
    if manaCost <= 0 then
        return
    end
    local manaBefore = parent:GetMana()
    local manaPaid = math.min(manaCost, manaBefore)
    if manaPaid <= 0 then
        return
    end
    parent:SetMana(math.max(0, manaBefore - manaPaid))
    local shieldFx = ParticleManager:CreateParticle(MANA_SHIELD_PARTICLE, PATTACH_ABSORIGIN_FOLLOW, parent)
    ParticleManager:ReleaseParticleIndex(shieldFx)
end
modifier_card_77 = __TS__Decorate(
    modifier_card_77,
    modifier_card_77,
    {registerModifier(nil)},
    {kind = "class", name = "modifier_card_77"}
)
____exports.modifier_card_77 = modifier_card_77
return ____exports