[Spell] help!

jj84 · Jun 24, 2024

hi friends actually i made a spell that i can't add a special effect like flame strike on ability point.

Fel Strike
- Events
  - Unit - A unit Starts the effect of an ability
- Conditions
  - (Ability being cast) Equal to Fel Strike
- Actions
  - -------- Config --------
  - Set Fel_Strike_Point = (Target point of ability being cast)
  - Wait 0.50 seconds
  - Special Effect - Create a special effect at Fel_Strike_Point using LightStrikeArray.mdx
  - Special Effect - Destroy (Last created special effect)
  - Unit Group - Pick every unit in (Units within 150.00 of Fel_Strike_Point) and do (Actions)
    - Loop - Actions
      - Set Fel_Strike_Target = (Picked unit)
      - If (All Conditions are True) then do (Then Actions) else do (Else Actions)
        
        If - Conditions
        
        (Fel_Strike_Target is Magic Immune) Equal to False
        
        Then - Actions
        
        Unit - Cause (Triggering unit) to damage Fel_Strike_Target, dealing 100.00 damage of attack type Spells and damage type Magic
        
        Unit - Create 1 Dummy for (Owner of (Triggering unit)) at Fel_Strike_Point facing Default building facing degrees
        
        Set Dummy = (Last created unit)
        
        Unit - Add Fel Strike Stun to Dummy
        
        Unit - Order Dummy to Human Mountain King - Storm Bolt Fel_Strike_Target
        
        Unit - Add a 0.20 second Generic expiration timer to Dummy
        
        Else - Actions
        
        Do nothing
  - Destructible - Pick every destructible within 150.00 of Fel_Strike_Point and do (Destructible - Kill (Picked destructible))
  - Custom script: call RemoveLocation(udg_Fel_Strike_Point)

also can you guys add two number of charges for this ability.

Pyrogasm · Jun 24, 2024

You typed the imported file path wrong. It's LightStrikeArrayTarget.mdx, and you forgot the Target part.

jj84 said:
also can you guys add two number of charges for this ability.

That's actually way more complicated than it sounds. I think Flare can have charges but beyond that probably nothing else can? I've never seen a multi-charge ability on a unit in wc3 (only on items).

Do Nothing is pointless and should never be used. It does nothing at all and doesn't benefit you in any way.

Chaosium · Jun 24, 2024

To make something close to charges you could have an integer, increase it by one any time the spell is cast and when it has reached XYZ number then you remove the spell from the unit, but if you want a number on the spell like the huntress Sentry I think you can forget about it

jj84 · Jun 24, 2024

Pyrogasm said:
You typed the imported file path wrong. It's LightStrikeArrayTarget.mdx, and you forgot the Target part.

That's actually way more complicated than it sounds. I think Flare can have charges but beyond that probably nothing else can? I've never seen a multi-charge ability on a unit in wc3 (only on items).

Do Nothing is pointless and should never be used. It does nothing at all and doesn't benefit you in any way.

I added target but still nothing happens.
Even I can't add original flame strike target on the point.

jj84 · Jun 24, 2024

here map with new flame strike target.

Pyrogasm · Jun 24, 2024

The actual problem is something I typed here first and then deleted because your post says Flame Strike but the effect being used was that imported model. Now you've shown that you are actually trying to use Flame Strike.

You're immediately destroying the effect after creating it. You're doing this to prevent the effect becoming a memory leak, which is good.
Destroying an effect causes the effect to play its full death animation if it has one, and the effect will not be removed until the death animation has played.
Many effects in the game do not have named animations (or don't have one named death) and you are likely familiar with destroying those. (There are other issues about such effects persisting after being destroyed that I'm not addressing here.)
Flamestrike has named Birth, Stand, and Death animations so because you're doing 1 it causes 2 to happen, and the Flame Strike has a death animation which is getting played instead of the birth animation you want to see.

This is actually surprisingly easy to resolve. You just need to tell the effect to play its birth animation immediately after being destroyed. That sounds like it shouldn't work because the effect is destroyed, right?! Well I guess the effect persists in memory until the animation plays so any variables that pointed to it are not yet null after the Destroy line. A little weird, but makes sense too. Something like this:

Actions
- Special Effect - Create a special effect at (Center of Region 000 <gen>) using Abilities\Spells\Human\FlameStrike\FlameStrike1.mdl
- Special Effect - Destroy (Last created special effect)
- Special Effect - Play Special Effect: (Last created special effect), Animation: Birth

This has one downside: The effect will freeze on the last frame of the animation you ordered it to play for some time until the game decides to remove it. I presume it doesn't become a permanent memory leak this way but I did not test. If you don't want to use a method like this there are other ways to remove the effect after a time delay or displaying the effect with a locusted unit with a timed life. Up to you.

jj84 · Jun 24, 2024

Pyrogasm said:
The actual problem is something I typed here first and then deleted because your post says Flame Strike but the effect being used was that imported model. Now you've shown that you are actually trying to use Flame Strike.

You're immediately destroying the effect after creating it. You're doing this to prevent the effect becoming a memory leak, which is good.

Destroying an effect causes the effect to play its full death animation if it has one, and the effect will not be removed until the death animation has played.

Many effects in the game do not have named animations (or don't have one named death) and you are likely familiar with destroying those. (There are other issues about such effects persisting after being destroyed that I'm not addressing here.)

Flamestrike has named Birth, Stand, and Death animations so because you're doing 1 it causes 2 to happen, and the Flame Strike has a death animation which is getting played instead of the birth animation you want to see.

This is actually surprisingly easy to resolve. You just need to tell the effect to play its birth animation immediately after being destroyed. That sounds like it shouldn't work because the effect is destroyed, right?! Well I guess the effect persists in memory until the animation plays so any variables that pointed to it are not yet null after the Destroy line. A little weird, but makes sense too. Something like this:

Actions

Special Effect - Create a special effect at (Center of Region 000 <gen>) using Abilities\Spells\Human\FlameStrike\FlameStrike1.mdl

Special Effect - Destroy (Last created special effect)

Special Effect - Play Special Effect: (Last created special effect), Animation: Birth

This has one downside: The effect will freeze on the last frame of the animation you ordered it to play for some time until the game decides to remove it. I presume it doesn't become a permanent memory leak this way but I did not test. If you don't want to use a method like this there are other ways to remove the effect after a time delay or displaying the effect with a locusted unit with a timed life. Up to you.

i can't find Special Effect - Play Special Effect: (Last created special effect), Animation: Birth on world editor can you send a custom script in order to do this.
i use 1.29.2

Pyrogasm · Jun 24, 2024

jj84 said:
i use 1.29.2

Update your game. It's free and does not require you to own Reforged. The other solutions I mentioned are the only ways to achieve this.

jj84 · Jun 24, 2024

Pyrogasm said:
Update your game. It's free and does not require you to own Reforged. The other solutions I mentioned are the only ways to achieve this.

there is no need actually i found a way.

jj84 · Jun 24, 2024

Now it works perfectly.

Fel Strike
- Events
  - Unit - A unit Starts the effect of an ability
- Conditions
  - (Ability being cast) Equal to Fel Strike
- Actions
  - -------- Config --------
  - Custom script: local real udg_Fel_Strike_Area
  - Set Fel_Strike_Area = 165.00
  - Set Fel_Strike_Point = (Target point of ability being cast)
  - -------- Cast --------
  - Wait 0.50 seconds
  - Special Effect - Create a special effect at Fel_Strike_Point using FelStrikeTarget.mdx
  - Set Fel_Strike_Effect = (Last created special effect)
  - Special Effect - Set Scale of Fel_Strike_Effect to 0.70
  - Special Effect - Destroy Fel_Strike_Effect
  - Custom script: set bj_wantDestroyGroup = true
  - Unit Group - Pick every unit in (Units within Fel_Strike_Area of Fel_Strike_Point) and do (Actions)
    - Loop - Actions
      - Set Fel_Strike_Target = (Picked unit)
      - If (All Conditions are True) then do (Then Actions) else do (Else Actions)
        
        If - Conditions
        
        (Fel_Strike_Target is Magic Immune) Equal to False
        
        (Fel_Strike_Target is A flying unit) Equal to False
        
        Then - Actions
        
        Unit - Cause (Triggering unit) to damage Fel_Strike_Target, dealing 400.00 damage of attack type Spells and damage type Magic
        
        Unit - Create 1 Dummy for (Owner of (Triggering unit)) at Fel_Strike_Point facing Default building facing degrees
        
        Set Dummy = (Last created unit)
        
        Unit - Add Fel Strike Stun to Dummy
        
        Unit - Order Dummy to Human Mountain King - Storm Bolt Fel_Strike_Target
        
        Unit - Add a 0.20 second Generic expiration timer to Dummy
        
        Else - Actions
        
        Do nothing
  - -------- Kill trees --------
  - Destructible - Pick every destructible within Fel_Strike_Area of Fel_Strike_Point and do (Actions)
    - Loop - Actions
      - If (All Conditions are True) then do (Then Actions) else do (Else Actions)
        
        If - Conditions
        
        Or - Any (Conditions) are true
        
        Conditions
        
        (Destructible-type of (Picked destructible)) Equal to Ashenvale Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Ashenvale Canopy Tree
        
        (Destructible-type of (Picked destructible)) Equal to Barrens Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Barrens Canopy Tree
        
        (Destructible-type of (Picked destructible)) Equal to Black Citadel Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Cityscape Fall Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Cityscape Snowy Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Cityscape Summer Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Cityscape Winter Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Cityscape Ruined Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Dalaran Ruins Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Dungeon Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Felwood Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Felwood Canopy Tree
        
        (Destructible-type of (Picked destructible)) Equal to Icecrown Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Icecrown Canopy Tree
        
        (Destructible-type of (Picked destructible)) Equal to Northrend Canopy Tree
        
        (Destructible-type of (Picked destructible)) Equal to Fall Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Summer Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Northrend Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Snowy Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Outland Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Ruins Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Ruins Canopy Tree
        
        (Destructible-type of (Picked destructible)) Equal to Underground Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Village Tree Wall
        
        (Destructible-type of (Picked destructible)) Equal to Fall Tree Wall
        
        Then - Actions
        
        Set Trees = (Picked destructible)
        
        Destructible - Kill Trees
        
        Else - Actions
        
        Do nothing
  - -------- Remove leak --------
  - Custom script: call RemoveLocation(udg_Fel_Strike_Point)
  - Custom script: set udg_Fel_Strike_Point = null
  - Custom script: set udg_Fel_Strike_Target = null
  - Custom script: set udg_Dummy = null
  - Custom script: set udg_Trees = null

Pyrogasm · Jun 24, 2024

I just want to be clear: that doesn’t fix the problem, it just avoids the problem. The effect you chose (FelStrikeTarget) probably doesn’t have any named animations. If you ever change it to a different model that does have named animations this issue will reappear.

jj84 · Jun 24, 2024

Pyrogasm said:
I just want to be clear: that doesn’t fix the problem, it just avoids the problem. The effect you chose (FelStrikeTarget) probably doesn’t have any named animations. If you ever change it to a different model that does have named animations this issue will reappear.

But it works perfectly, actually the model that I used just has birth animation.
Here check the full map. Pick warlock hero from orc clan it's ultimate spell for this hero.

Pyrogasm · Jun 24, 2024

jj84 said:
actually the model that I used just have birth animation

No... it has no named animations. Look at the model in the editor preview menu and you'll see that it doesn't have the buttons to change animations and it also doesn't have a name given to the one animation it has. This effect will always play this animation when created and it won't be overwritten by trying to play a death animation.

jj84 · Jun 24, 2024

Pyrogasm said:
No... it has no named animations. Look at the model in the editor preview menu and you'll see that it doesn't have the buttons to change animations and it also doesn't have a name given to the one animation it has. This effect will always play this animation when created and it won't be overwritten by trying to play a death animation.

View attachment 476663

Oh, you mean this I think it doesn't have animations because I didn't add stand and death animation, am I right? And also I can't change effect animation because I use old version.
However special effect always does birth I think.

jj84 · Jun 24, 2024

Pyrogasm said:
No... it has no named animations. Look at the model in the editor preview menu and you'll see that it doesn't have the buttons to change animations and it also doesn't have a name given to the one animation it has. This effect will always play this animation when created and it won't be overwritten by trying to play a death animation.

View attachment 476663

Oh, you mean this I think it doesn't have animations because I didn't add stand and death animation, am I right?

Pyrogasm · Jun 25, 2024

jj84 said:
However special effect always does birth I think.

They automatically play a birth animation when spawned if the model has an animation called "birth". They automatically play a death animation when destroyed if the model has an animation called "death". You cannot prevent this except but ordering it to play another animation after being destroyed, as I showed above (which you can't do because your game version is too old).

The solution you have chosen is just to use an effect that doesn't have any names for its animations at all, since that means it won't be forced to show death when you immediately destroy it. That works fine here, but in the future when you encounter this issue again (because you destroy an effect immediately after creating it and use a model with a death animation) I want you to know why it is happening and what you can do about it. That is all I'm trying to explain.

jj84 · Jun 25, 2024

Pyrogasm said:
They automatically play a birth animation when spawned if the model has an animation called "birth". They automatically play a death animation when destroyed if the model has an animation called "death". You cannot prevent this except but ordering it to play another animation after being destroyed, as I showed above (which you can't do because your game version is too old).

The solution you have chosen is just to use an effect that doesn't have any names for its animations at all, since that means it won't be forced to show death when you immediately destroy it. That works fine here, but in the future when you encounter this issue again (because you destroy an effect immediately after creating it and use a model with a death animation) I want you to know why it is happening and what you can do about it. That is all I'm trying to explain.

Thank you, I got it. I'll add death animation to models next time.

jj84 · Jul 1, 2024

jj84 said:
Now it works perfectly.

Fel Strike

Events

Unit - A unit Starts the effect of an ability

Conditions

(Ability being cast) Equal to Fel Strike

Actions

-------- Config --------

Custom script: local real udg_Fel_Strike_Area

Set Fel_Strike_Area = 165.00

Set Fel_Strike_Point = (Target point of ability being cast)

-------- Cast --------

Wait 0.50 seconds

Special Effect - Create a special effect at Fel_Strike_Point using FelStrikeTarget.mdx

Set Fel_Strike_Effect = (Last created special effect)

Special Effect - Set Scale of Fel_Strike_Effect to 0.70

Special Effect - Destroy Fel_Strike_Effect

Custom script: set bj_wantDestroyGroup = true

Unit Group - Pick every unit in (Units within Fel_Strike_Area of Fel_Strike_Point) and do (Actions)

Loop - Actions

Set Fel_Strike_Target = (Picked unit)

If (All Conditions are True) then do (Then Actions) else do (Else Actions)

If - Conditions

(Fel_Strike_Target is Magic Immune) Equal to False

(Fel_Strike_Target is A flying unit) Equal to False

Then - Actions

Unit - Cause (Triggering unit) to damage Fel_Strike_Target, dealing 400.00 damage of attack type Spells and damage type Magic

Unit - Create 1 Dummy for (Owner of (Triggering unit)) at Fel_Strike_Point facing Default building facing degrees

Set Dummy = (Last created unit)

Unit - Add Fel Strike Stun to Dummy

Unit - Order Dummy to Human Mountain King - Storm Bolt Fel_Strike_Target

Unit - Add a 0.20 second Generic expiration timer to Dummy

Else - Actions

Do nothing

-------- Kill trees --------

Destructible - Pick every destructible within Fel_Strike_Area of Fel_Strike_Point and do (Actions)

Loop - Actions

If (All Conditions are True) then do (Then Actions) else do (Else Actions)

If - Conditions

Or - Any (Conditions) are true

Conditions

(Destructible-type of (Picked destructible)) Equal to Ashenvale Tree Wall

(Destructible-type of (Picked destructible)) Equal to Ashenvale Canopy Tree

(Destructible-type of (Picked destructible)) Equal to Barrens Tree Wall

(Destructible-type of (Picked destructible)) Equal to Barrens Canopy Tree

(Destructible-type of (Picked destructible)) Equal to Black Citadel Tree Wall

(Destructible-type of (Picked destructible)) Equal to Cityscape Fall Tree Wall

(Destructible-type of (Picked destructible)) Equal to Cityscape Snowy Tree Wall

(Destructible-type of (Picked destructible)) Equal to Cityscape Summer Tree Wall

(Destructible-type of (Picked destructible)) Equal to Cityscape Winter Tree Wall

(Destructible-type of (Picked destructible)) Equal to Cityscape Ruined Tree Wall

(Destructible-type of (Picked destructible)) Equal to Dalaran Ruins Tree Wall

(Destructible-type of (Picked destructible)) Equal to Dungeon Tree Wall

(Destructible-type of (Picked destructible)) Equal to Felwood Tree Wall

(Destructible-type of (Picked destructible)) Equal to Felwood Canopy Tree

(Destructible-type of (Picked destructible)) Equal to Icecrown Tree Wall

(Destructible-type of (Picked destructible)) Equal to Icecrown Canopy Tree

(Destructible-type of (Picked destructible)) Equal to Northrend Canopy Tree

(Destructible-type of (Picked destructible)) Equal to Fall Tree Wall

(Destructible-type of (Picked destructible)) Equal to Summer Tree Wall

(Destructible-type of (Picked destructible)) Equal to Northrend Tree Wall

(Destructible-type of (Picked destructible)) Equal to Snowy Tree Wall

(Destructible-type of (Picked destructible)) Equal to Outland Tree Wall

(Destructible-type of (Picked destructible)) Equal to Ruins Tree Wall

(Destructible-type of (Picked destructible)) Equal to Ruins Canopy Tree

(Destructible-type of (Picked destructible)) Equal to Underground Tree Wall

(Destructible-type of (Picked destructible)) Equal to Village Tree Wall

(Destructible-type of (Picked destructible)) Equal to Fall Tree Wall

Then - Actions

Set Trees = (Picked destructible)

Destructible - Kill Trees

Else - Actions

Do nothing

-------- Remove leak --------

Custom script: call RemoveLocation(udg_Fel_Strike_Point)

Custom script: set udg_Fel_Strike_Point = null

Custom script: set udg_Fel_Strike_Target = null

Custom script: set udg_Dummy = null

Custom script: set udg_Trees = null

@Uncle if you have time can you tell me that is it mui? thanks.

Uncle · Jul 1, 2024

It's not MUI.

Fel_Strike_Point gets Set BEFORE the Wait and is referenced AFTER the Wait. If a unit were to cast the ability again during the 0.50 second delay, the Point variable would get overwritten with a new Point and cause the previous cast to have unexpected results. You had the right idea with your "shadowing" of the Fel_Strike_Area variable, though. Also, you don't need to null any of those variables at the end.

Here's an updated version with a bunch of optimizations:

Fel Strike
- Events
  - Unit - A unit Starts the effect of an ability
- Conditions
  - (Ability being cast) Equal to Fel Strike
- Actions
  - -------- Config --------
  - Custom script: local location point = GetSpellTargetLoc()
  - -------- Cast --------
  - Wait 0.50 game-time seconds
  - Set Fel_Strike_Caster = (Triggering unit)
  - Custom script: set udg_Fel_Strike_Point = point
  - -------- Optional special effect --------
  - Special Effect - Create a special effect at Fel_Strike_Point using FelStrikeTarget.mdx
  - Set Fel_Strike_Effect = (Last created special effect)
  - Special Effect - Set Scale of Fel_Strike_Effect to 0.70
  - Special Effect - Destroy Fel_Strike_Effect
  - -------- Dummy unit that stuns (only one is needed if it's setup correctly) --------
  - Unit - Create 1 Dummy for (Owner of Fel_Strike_Caster) at Fel_Strike_Point facing Default building facing degrees
  - Set Dummy = (Last created unit)
  - Unit - Add Fel Strike Stun to Dummy
  - Unit - Add a 5.00 second Generic expiration timer to Dummy
  - -------- Damage and stun enemies --------
  - Custom script: set bj_wantDestroyGroup = true
  - Unit Group - Pick every unit in (Units within 165.00 of Fel_Strike_Point) and do (Actions)
    - Loop - Actions
      - Set Fel_Strike_Target = (Picked unit)
      - If (All Conditions are True) then do (Then Actions) else do (Else Actions)
        
        If - Conditions
        
        (Fel_Strike_Target is Alive) Equal to True
        
        (Fel_Strike_Target belongs to an enemy of (Owner of Fel_Strike_Caster)) Equal to True
        
        (Fel_Strike_Target is Magic Immune) Equal to False
        
        (Fel_Strike_Target is A flying unit) Equal to False
        
        Then - Actions
        
        Unit - Order Dummy to Human Mountain King - Storm Bolt Fel_Strike_Target
        
        Unit - Cause Fel_Strike_Caster to damage Fel_Strike_Target, dealing 400.00 damage of attack type Spells and damage type Magic
        
        Else - Actions
  - -------- Kill trees --------
  - Destructible - Pick every destructible within 165.00 of Fel_Strike_Point and do (Actions)
    - Loop - Actions
      - Set Trees = (Picked destructible)
      - If (All Conditions are True) then do (Then Actions) else do (Else Actions)
        
        If - Conditions
        
        Or - Any (Conditions) are true
        
        Conditions
        
        (Destructible-type of Trees) Equal to Ashenvale Tree Wall
        
        (Destructible-type of Trees) Equal to Ashenvale Canopy Tree
        
        (Destructible-type of Trees) Equal to Barrens Tree Wall
        
        (Destructible-type of Trees) Equal to Barrens Canopy Tree
        
        (Destructible-type of Trees) Equal to Black Citadel Tree Wall
        
        (Destructible-type of Trees) Equal to Cityscape Fall Tree Wall
        
        (Destructible-type of Trees) Equal to Cityscape Snowy Tree Wall
        
        (Destructible-type of Trees) Equal to Cityscape Summer Tree Wall
        
        (Destructible-type of Trees) Equal to Cityscape Winter Tree Wall
        
        (Destructible-type of Trees) Equal to Cityscape Ruined Tree Wall
        
        (Destructible-type of Trees) Equal to Dalaran Ruins Tree Wall
        
        (Destructible-type of Trees) Equal to Dungeon Tree Wall
        
        (Destructible-type of Trees) Equal to Felwood Tree Wall
        
        (Destructible-type of Trees) Equal to Felwood Canopy Tree
        
        (Destructible-type of Trees) Equal to Icecrown Tree Wall
        
        (Destructible-type of Trees) Equal to Icecrown Canopy Tree
        
        (Destructible-type of Trees) Equal to Northrend Canopy Tree
        
        (Destructible-type of Trees) Equal to Fall Tree Wall
        
        (Destructible-type of Trees) Equal to Summer Tree Wall
        
        (Destructible-type of Trees) Equal to Northrend Tree Wall
        
        (Destructible-type of Trees) Equal to Snowy Tree Wall
        
        (Destructible-type of Trees) Equal to Outland Tree Wall
        
        (Destructible-type of Trees) Equal to Ruins Tree Wall
        
        (Destructible-type of Trees) Equal to Ruins Canopy Tree
        
        (Destructible-type of Trees) Equal to Underground Tree Wall
        
        (Destructible-type of Trees) Equal to Village Tree Wall
        
        (Destructible-type of Trees) Equal to Fall Tree Wall
        
        Then - Actions
        
        Destructible - Kill Trees
        
        Else - Actions
  - -------- Remove memory leaks --------
  - Custom script: call RemoveLocation(udg_Fel_Strike_Point)
  - Custom script: set point = null

(Target point of ability being cast) is not usable after a Wait and I wasn't sure about shadowing it. So instead I went with something I knew would work, a local location variable (location means Point). GetSpellTargetLoc() is the code version of (Target point of ability being cast), understand that they're the same thing. Since local variables are safe to use after Waits, I simply set Fel_Strike_Point to be equal to my local variable AFTER the Wait. So we avoid the issue by relying on a local variable for a short moment and can still use Fel_Strike_Point without needing to use code everywhere.

Also, if the Dummy doesn't work, make sure that:
1) Dummy is based on the Locust with Movement Type = None, Speed Base = 0, etc.
2) Dummy Ability has 99999 cast range, 0 cooldown, 0 mana cost, etc.

Edit: Removed Fel_Strike_Area variables. I don't think that will work since "shadowing" can't be used in separate functions (scope issue). It wasn't necessary anyway, you can just reference 165.00 directly.

jj84 · Jul 1, 2024

Uncle said:
It's not MUI.

Fel_Strike_Point gets Set BEFORE the Wait and is referenced AFTER the Wait. If a unit were to cast the ability again during the 0.50 second delay, the Point variable would get overwritten with a new Point and cause the previous cast to have unexpected results. You had the right idea with your "shadowing" of the Fel_Strike_Area variable, though. Also, you don't need to null any of those variables at the end.

Here's an updated version with a bunch of optimizations:

Fel Strike

Events

Unit - A unit Starts the effect of an ability

Conditions

(Ability being cast) Equal to Fel Strike

Actions

-------- Config --------

Custom script: local real udg_Fel_Strike_Area

Custom script: local location point = GetSpellTargetLoc()

Set Fel_Strike_Area = 165.00

-------- Cast --------

Wait 0.50 game-time seconds

Set Fel_Strike_Caster = (Triggering unit)

Custom script: set udg_Fel_Strike_Point = point

-------- Optional special effect --------

Special Effect - Create a special effect at Fel_Strike_Point using FelStrikeTarget.mdx

Set Fel_Strike_Effect = (Last created special effect)

Special Effect - Set Scale of Fel_Strike_Effect to 0.70

Special Effect - Destroy Fel_Strike_Effect

-------- Dummy unit that stuns (only one is needed if it's setup correctly) --------

Unit - Create 1 Dummy for (Owner of Fel_Strike_Caster) at Fel_Strike_Point facing Default building facing degrees

Set Dummy = (Last created unit)

Unit - Add Fel Strike Stun to Dummy

Unit - Add a 5.00 second Generic expiration timer to Dummy

-------- Damage and stun enemies --------

Custom script: set bj_wantDestroyGroup = true

Unit Group - Pick every unit in (Units within Fel_Strike_Area of Fel_Strike_Point) and do (Actions)

Loop - Actions

Set Fel_Strike_Target = (Picked unit)

If (All Conditions are True) then do (Then Actions) else do (Else Actions)

If - Conditions

(Fel_Strike_Target is Alive) Equal to True

(Fel_Strike_Target belongs to an enemy of (Owner of Fel_Strike_Caster)) Equal to True

(Fel_Strike_Target is Magic Immune) Equal to False

(Fel_Strike_Target is A flying unit) Equal to False

Then - Actions

Unit - Order Dummy to Human Mountain King - Storm Bolt Fel_Strike_Target

Unit - Cause Fel_Strike_Caster to damage Fel_Strike_Target, dealing 400.00 damage of attack type Spells and damage type Magic

Else - Actions

-------- Kill trees --------

Destructible - Pick every destructible within Fel_Strike_Area of Fel_Strike_Point and do (Actions)

Loop - Actions

Set Trees = (Picked destructible)

If (All Conditions are True) then do (Then Actions) else do (Else Actions)

If - Conditions

Or - Any (Conditions) are true

Conditions

(Destructible-type of Trees) Equal to Ashenvale Tree Wall

(Destructible-type of Trees) Equal to Ashenvale Canopy Tree

(Destructible-type of Trees) Equal to Barrens Tree Wall

(Destructible-type of Trees) Equal to Barrens Canopy Tree

(Destructible-type of Trees) Equal to Black Citadel Tree Wall

(Destructible-type of Trees) Equal to Cityscape Fall Tree Wall

(Destructible-type of Trees) Equal to Cityscape Snowy Tree Wall

(Destructible-type of Trees) Equal to Cityscape Summer Tree Wall

(Destructible-type of Trees) Equal to Cityscape Winter Tree Wall

(Destructible-type of Trees) Equal to Cityscape Ruined Tree Wall

(Destructible-type of Trees) Equal to Dalaran Ruins Tree Wall

(Destructible-type of Trees) Equal to Dungeon Tree Wall

(Destructible-type of Trees) Equal to Felwood Tree Wall

(Destructible-type of Trees) Equal to Felwood Canopy Tree

(Destructible-type of Trees) Equal to Icecrown Tree Wall

(Destructible-type of Trees) Equal to Icecrown Canopy Tree

(Destructible-type of Trees) Equal to Northrend Canopy Tree

(Destructible-type of Trees) Equal to Fall Tree Wall

(Destructible-type of Trees) Equal to Summer Tree Wall

(Destructible-type of Trees) Equal to Northrend Tree Wall

(Destructible-type of Trees) Equal to Snowy Tree Wall

(Destructible-type of Trees) Equal to Outland Tree Wall

(Destructible-type of Trees) Equal to Ruins Tree Wall

(Destructible-type of Trees) Equal to Ruins Canopy Tree

(Destructible-type of Trees) Equal to Underground Tree Wall

(Destructible-type of Trees) Equal to Village Tree Wall

(Destructible-type of Trees) Equal to Fall Tree Wall

Then - Actions

Destructible - Kill Trees

Else - Actions

-------- Remove memory leaks --------

Custom script: call RemoveLocation(udg_Fel_Strike_Point)

Custom script: set point = null

(Target point of ability being cast) is not usable after a Wait and I wasn't sure about shadowing it. So instead I went with something I knew would work, a local location variable (location means Point). GetSpellTargetLoc() is the code version of (Target point of ability being cast), understand that they're the same thing. Since local variables are safe to use after Waits, I simply set Fel_Strike_Point to be equal to my local variable AFTER the Wait. So we avoid the issue by relying on a local variable for a short moment and can also still use Fel_Strike_Point without needing to use code everywhere.

Also, if the Dummy doesn't work, make sure that:
1) Dummy is based on the Locust with most importantly Movement Type = None, Speed Base = 0, etc.
2) Dummy Ability has 99999 cast range, 0 cooldown, 0 mana cost, etc.

Thanks alot, for help.

[Spell] help!

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Insurgent Cry

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