//TESH.scrollpos=0
//TESH.alwaysfold=0
//===========================================================================
// Damage Engine lets you detect, amplify, block or nullify damage. It even
// lets you detect if the damage was physical or from a spell. Just reference
// DamageEventAmount/Source/Target or the boolean IsDamageSpell, to get the
// necessary damage event data.
//
// - Detect damage: use the event "DamageEvent Equal to 1.00"
// - To change damage before it's dealt: use the event "DamageModifierEvent Equal to 1.00"
// - Detect damage after it was applied, use the event "AfterDamageEvent Equal to 1.00"
// - Detect spell damage: use the condition "IsDamageSpell Equal to True"
// - Detect zero-damage: use the event "DamageEvent Equal to 2.00" (an AfterDamageEvent will not fire for this)
//
// You can specify the DamageEventType before dealing triggered damage. To prevent an already-improbable error, I recommend running the trigger "ClearDamageEvent (Checking Conditions)" after dealing triggered damage from within a damage event:
// - Set NextDamageType = DamageTypeWhatever
// - Unit - Cause...
// - Trigger - Run ClearDamageEvent (Checking Conditions)
//
// You can modify the DamageEventAmount and the DamageEventType from a "DamageModifierEvent Equal to 1.00" trigger.
// - If the amount is modified to negative, it will count as a heal.
// - If the amount is set to 0, no damage will be dealt.
//
// If you need to reference the original in-game damage, use the variable "DamageEventPrevAmt".
//
//===========================================================================
// Programming note about "integer i" and "udg_DmgEvRecursionN": integer i
// ranges from -1 upwards. "udg_DmgEvRecursionN" ranges from 0 upwards.
// "integer i" is always 1 less than "udg_DmgEvRecursionN"
//
function DmgEvResetVars takes nothing returns nothing
local integer i = udg_DmgEvRecursionN - 2
set udg_DmgEvRecursionN = i + 1
if i >= 0 then
set udg_DamageEventPrevAmt = udg_LastDmgPrevAmount[i]
set udg_DamageEventAmount = udg_LastDmgValue[i]
set udg_DamageEventSource = udg_LastDmgSource[i]
set udg_DamageEventTarget = udg_LastDmgTarget[i]
set udg_IsDamageSpell = udg_LastDmgWasSpell[i]
set udg_DamageEventType = udg_LastDmgPrevType[i]
endif
endfunction
function CheckDamagedLifeEvent takes boolean clear returns nothing
if clear then
set udg_NextDamageOverride = false
set udg_NextDamageType = 0
endif
if udg_DmgEvTrig != null then
call DestroyTrigger(udg_DmgEvTrig)
set udg_DmgEvTrig = null
if udg_IsDamageSpell then
call SetWidgetLife(udg_DamageEventTarget, RMaxBJ(udg_LastDamageHP, 0.41))
if udg_LastDamageHP <= 0.405 then
if udg_DamageEventType < 0 then
call SetUnitExploded(udg_DamageEventTarget, true)
endif
//Kill the unit
call DisableTrigger(udg_DamageEventTrigger)
call UnitDamageTarget(udg_DamageEventSource, udg_DamageEventTarget, -999, false, false, null, DAMAGE_TYPE_UNIVERSAL, null)
call EnableTrigger(udg_DamageEventTrigger)
endif
elseif GetUnitAbilityLevel(udg_DamageEventTarget, udg_DamageBlockingAbility) > 0 then
call UnitRemoveAbility(udg_DamageEventTarget, udg_DamageBlockingAbility)
call SetWidgetLife(udg_DamageEventTarget, udg_LastDamageHP)
endif
if udg_DamageEventAmount != 0.00 and not udg_HideDamageFrom[GetUnitUserData(udg_DamageEventSource)] then
set udg_AfterDamageEvent = 0.00
set udg_AfterDamageEvent = 1.00
set udg_AfterDamageEvent = 0.00
endif
call DmgEvResetVars()
endif
endfunction
function DmgEvOnExpire takes nothing returns nothing
set udg_DmgEvStarted = false
call CheckDamagedLifeEvent(true)
endfunction
function PreCheckDamagedLifeEvent takes nothing returns boolean
call CheckDamagedLifeEvent(true)
return false
endfunction
function OnUnitDamage takes nothing returns boolean
local boolean override = udg_DamageEventOverride
local integer i = udg_DmgEvRecursionN - 1
local string s
local real prevAmount
local real life
local real prevLife
local unit u
call CheckDamagedLifeEvent(false) //in case the unit state event failed and the 0.00 second timer hasn't yet expired
if i >= 0 then
if i < 16 then
set udg_LastDmgPrevAmount[i]= udg_DamageEventPrevAmt
set udg_LastDmgValue[i] = udg_DamageEventAmount
set udg_LastDmgSource[i] = udg_DamageEventSource
set udg_LastDmgTarget[i] = udg_DamageEventTarget
set udg_LastDmgWasSpell[i] = udg_IsDamageSpell
set udg_LastDmgPrevType[i] = udg_DamageEventType
else
set s = "WARNING: Recursion error when dealing damage! Make sure when you deal damage from within a DamageEvent trigger, do it like this:\n\n"
set s = s + "Trigger - Turn off (This Trigger)\n"
set s = s + "Unit - Cause...\n"
set s = s + "Trigger - Turn on (This Trigger)"
//Delete the next couple of lines to disable the in-game recursion crash warnings
call ClearTextMessages()
call DisplayTimedTextToPlayer(GetLocalPlayer(), 0.00, 0.00, 999.00, s)
return false
endif
endif
set udg_DmgEvRecursionN = i + 2
set u = GetTriggerUnit()
set prevAmount = GetEventDamage()
set udg_DamageEventSource = GetEventDamageSource()
set udg_DamageEventAmount = prevAmount
set udg_DamageEventTarget = u
set udg_DamageEventType = udg_NextDamageType
set udg_NextDamageType = 0
set udg_DamageEventOverride = udg_NextDamageOverride
set udg_NextDamageOverride = false
if prevAmount == 0.00 then
if not udg_HideDamageFrom[GetUnitUserData(udg_DamageEventSource)] then
set udg_DamageEventPrevAmt = 0.00
set udg_DamageEvent = 0.00
set udg_DamageEvent = 2.00
set udg_DamageEvent = 0.00
endif
call DmgEvResetVars()
else
if not udg_DmgEvStarted then
set udg_DmgEvStarted = true
call TimerStart(udg_DmgEvTimer, 0.00, false, function DmgEvOnExpire)
endif
set udg_IsDamageSpell = prevAmount < 0.00
if udg_IsDamageSpell then
set prevAmount = -udg_DamageEventAmount
set life = 1.00
if IsUnitType(u, UNIT_TYPE_ETHEREAL) and not IsUnitType(u, UNIT_TYPE_HERO) then
set life = life*udg_DAMAGE_FACTOR_ETHEREAL //1.67
endif
if GetUnitAbilityLevel(u, 'Aegr') > 0 then
set life = life*udg_DAMAGE_FACTOR_ELUNES //0.80
endif
if udg_DmgEvBracers != 0 and IsUnitType(u, UNIT_TYPE_HERO) then
//Inline of UnitHasItemOfTypeBJ without the potential handle ID leak.
set i = 6
loop
set i = i - 1
if GetItemTypeId(UnitItemInSlot(u, i)) == udg_DmgEvBracers then
set life = life*udg_DAMAGE_FACTOR_BRACERS //0.67
exitwhen true
endif
exitwhen i == 0
endloop
endif
set udg_DamageEventAmount = prevAmount*life
endif
set udg_DamageEventPrevAmt = prevAmount
set udg_DamageModifierEvent = 0.00
if not udg_DamageEventOverride then
set udg_DamageModifierEvent = 1.00
if not udg_DamageEventOverride then
set udg_DamageModifierEvent = 2.00
set udg_DamageModifierEvent = 3.00
endif
endif
set udg_DamageEventOverride = override
if udg_DamageEventAmount > 0.00 then
set udg_DamageModifierEvent = 4.00
endif
set udg_DamageModifierEvent = 0.00
if not udg_HideDamageFrom[GetUnitUserData(udg_DamageEventSource)] then
set udg_DamageEvent = 0.00
set udg_DamageEvent = 1.00
set udg_DamageEvent = 0.00
endif
call CheckDamagedLifeEvent(true) //in case the unit state event failed from a recursive damage event
//All events have run and the damage amount is finalized.
set life = GetWidgetLife(u)
set udg_DmgEvTrig = CreateTrigger()
call TriggerAddCondition(udg_DmgEvTrig, Filter(function PreCheckDamagedLifeEvent))
if not udg_IsDamageSpell then
if udg_DamageEventAmount != prevAmount then
set life = life + prevAmount - udg_DamageEventAmount
if GetUnitState(u, UNIT_STATE_MAX_LIFE) < life then
set udg_LastDamageHP = life - prevAmount
call UnitAddAbility(u, udg_DamageBlockingAbility)
endif
call SetWidgetLife(u, RMaxBJ(life, 0.42))
endif
call TriggerRegisterUnitStateEvent(udg_DmgEvTrig, u, UNIT_STATE_LIFE, LESS_THAN, RMaxBJ(0.41, life - prevAmount/2.00))
else
set udg_LastDamageHP = GetUnitState(u, UNIT_STATE_MAX_LIFE)
set prevLife = life
if life + prevAmount*0.75 > udg_LastDamageHP then
set life = RMaxBJ(udg_LastDamageHP - prevAmount/2.00, 1.00)
call SetWidgetLife(u, life)
set life = (life + udg_LastDamageHP)/2.00
else
set life = life + prevAmount*0.50
endif
set udg_LastDamageHP = prevLife - (prevAmount - (prevAmount - udg_DamageEventAmount))
call TriggerRegisterUnitStateEvent(udg_DmgEvTrig, u, UNIT_STATE_LIFE, GREATER_THAN, life)
endif
set u = null
endif
return false
endfunction
function CreateDmgEvTrg takes nothing returns nothing
set udg_DamageEventTrigger = CreateTrigger()
call TriggerAddCondition(udg_DamageEventTrigger, Filter(function OnUnitDamage))
endfunction
function SetupDmgEv takes nothing returns boolean
local integer i = udg_UDex
local unit u
if udg_UnitIndexEvent == 1.00 then
set u = udg_UDexUnits[i]
if GetUnitAbilityLevel(u, 'Aloc') == 0 and TriggerEvaluate(gg_trg_Damage_Engine_Config) then
set udg_UnitDamageRegistered[i] = true
call TriggerRegisterUnitEvent(udg_DamageEventTrigger, u, EVENT_UNIT_DAMAGED)
call UnitAddAbility(u, udg_SpellDamageAbility)
call UnitMakeAbilityPermanent(u, true, udg_SpellDamageAbility)
endif
set u = null
else
set udg_HideDamageFrom[i] = false
if udg_UnitDamageRegistered[i] then
set udg_UnitDamageRegistered[i] = false
set udg_DamageEventsWasted = udg_DamageEventsWasted + 1
if udg_DamageEventsWasted == 32 then //After 32 registered units have been removed...
set udg_DamageEventsWasted = 0
//Rebuild the mass EVENT_UNIT_DAMAGED trigger:
call DestroyTrigger(udg_DamageEventTrigger)
call CreateDmgEvTrg()
set i = udg_UDexNext[0]
loop
exitwhen i == 0
if udg_UnitDamageRegistered[i] then
call TriggerRegisterUnitEvent(udg_DamageEventTrigger, udg_UDexUnits[i], EVENT_UNIT_DAMAGED)
endif
set i = udg_UDexNext[i]
endloop
endif
endif
endif
return false
endfunction
//===========================================================================
function InitTrig_Damage_Engine takes nothing returns nothing
local unit u = CreateUnit(Player(15), 'uloc', 0, 0, 0)
local integer i = 16
//Create this trigger with UnitIndexEvents in order add and remove units
//as they are created or removed.
local trigger t = CreateTrigger()
call TriggerRegisterVariableEvent(t, "udg_UnitIndexEvent", EQUAL, 1.00)
call TriggerRegisterVariableEvent(t, "udg_UnitIndexEvent", EQUAL, 2.00)
call TriggerAddCondition(t, Filter(function SetupDmgEv))
set t = null
//Run the configuration trigger to set all configurables:
if gg_trg_Damage_Engine_Config == null then
//It's possible this InitTrig_ function ran first, in which case use ExecuteFunc.
call ExecuteFunc("Trig_Damage_Engine_Config_Actions")
else
call TriggerExecute(gg_trg_Damage_Engine_Config)
endif
//Create trigger for storing all EVENT_UNIT_DAMAGED events.
call CreateDmgEvTrg()
//Create GUI-friendly trigger for cleaning up after UnitDamageTarget.
set udg_ClearDamageEvent = CreateTrigger()
call TriggerAddCondition(udg_ClearDamageEvent, Filter(function PreCheckDamagedLifeEvent))
//Disable SpellDamageAbility for every player.
loop
set i = i - 1
call SetPlayerAbilityAvailable(Player(i), udg_SpellDamageAbility, false)
exitwhen i == 0
endloop
//Preload abilities.
call UnitAddAbility(u, udg_DamageBlockingAbility)
call UnitAddAbility(u, udg_SpellDamageAbility)
call RemoveUnit(u)
set u = null
endfunction