Mithy

--HDemon_Abilities.lua hook adding innate snare protection on Elusiveness
--that matches the player's level of Demon's Speed.

--Adds a callback to each of the six abilities that sets ability levels for easy retrieval
for i=1, 3 do
    Ability['HDemonDemonsSpeed0'..i].OnAbilityAdded = function(self, unit)
        unit.DemonSpeed = (unit.DemonSpeed or 0) + 1
        CalcSlowCap(unit)
    end
    Ability['HDemonElusiveness0'..i].OnAbilityAdded = function(self, unit)
        unit.DemonElusiveness = (unit.DemonElusiveness or 0) + 1
        CalcSlowCap(unit)
    end
end

--Applies the correct slow cap buff for lowest-common-denominator speed/elusiveness level
CalcSlowCap = function(unit)
    if unit.DemonElusiveness and unit.DemonSpeed then
        if unit.DemonElusiveness == unit.DemonSpeed then
            Buff.ApplyBuff(unit, 'HDemonSlowCap'..unit.DemonElusiveness)
        elseif unit.DemonElusiveness > unit.DemonSpeed then
            Buff.ApplyBuff(unit, 'HDemonSlowCap'..unit.DemonSpeed)
        else
            Buff.ApplyBuff(unit, 'HDemonSlowCap'..unit.DemonElusiveness)
        end
    end
end

--Slow cap buffs for Elusiveness + Speed combinations
BuffBlueprint {
    Name = 'HDemonSlowCap1',
    DisplayName = '<LOC ABILITY_DA_0032>Assassin\'s Speed',
    Description = "Innate speed unaffected by slows",
    BuffType = 'HDEMONSLOWCAP',
    EntityCategory = 'HERO',
    Debuff = false,
    CanBeDispelled = false,
    Stacks = 'REPLACE',
    Duration = -1,
    Affects = {
        MoveSlowCap = {Mult = 0.05},
    },
}
BuffBlueprint {
    Name = 'HDemonSlowCap2',
    DisplayName = '<LOC ABILITY_DA_0032>Assassin\'s Speed',
    Description = "Innate speed unaffected by slows",
    BuffType = 'HDEMONSLOWCAP',
    EntityCategory = 'HERO',
    Debuff = false,
    CanBeDispelled = false,
    Stacks = 'REPLACE',
    Duration = -1,
    Affects = {
        MoveSlowCap = {Mult = 0.10},
    },
}
BuffBlueprint {
    Name = 'HDemonSlowCap3',
    DisplayName = '<LOC ABILITY_DA_0032>Assassin\'s Speed',
    Description = "Innate speed unaffected by slows",
    BuffType = 'HDEMONSLOWCAP',
    EntityCategory = 'HERO',
    Debuff = false,
    CanBeDispelled = false,
    Stacks = 'REPLACE',
    Duration = -1,
    Affects = {
        MoveSlowCap = {Mult = 0.15},
    },
}