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Triggers

[GUI] Chain Spells Template.w3x
Variables
Initialization
Melee Initialization
Chain
Chain Storm Bolt Cast
Chain Storm Bolt Loop
Name Type is_array initial_value
PowerChainGroup group No
PowerChainHash hashtable No
SpellBounceRange real No
SpellBounceSpeed real No
SpellMaximumNumberHits integer No
SpellNumberBounces integer No
TemporaryAngle real No
TemporaryGroup group Yes
TemporaryKeySpell integer No
TemporaryKeyTarget handle No
TemporaryPoint location Yes
TemporaryReal real No
TemporaryTarget unit No
TemporaryTime real No
Default map setup for my custom spell maps.

Default Variables:
TemporaryAngle
TemporaryTime
TemporaryReal
TemporaryPoint1 (Leak related)
TemporaryPoint2 (Leak related)
TemporaryGroup1 (Leak related)
TemporaryGroup2 (Leak related)
Melee Initialization
Events
Time - Elapsed game time is 0.00 seconds
Conditions
Actions
Melee Game - Use melee time of day (for all players)
Visibility - Create an initially Enabled visibility modifier for Player 1 (Red) emitting Visibility across (Playable map area)
Hashtable - Create a hashtable
Set Variable Set PowerChainHash = (Last created hashtable)
Variables that are changed here:
- Missile Speed
- Bounce Range (the maximum range that the missile will search a new target to bounce to)
- Number of Bounces
- Maximum Hits (how much times a unit may be hit by the same bounce spell, warcraft default is 1)
- Missile Type (a unit that is created in the Object Editor)

Note:
- Dont forget to make the turn on trigger action to refer to the right trigger.
Chain Storm Bolt Cast
Events
Unit - A unit Starts the effect of an ability
Conditions
(Ability being cast) Equal to Chain Storm Bolt
Actions
-------- Setup Variables --------
-------- ----------------------------------------------------------------------------------------------------EDIT UNDER [Missile Speed, Bounce Range, Number of Bounces and how many times the same unit may be hit during one chain.] --------
Set Variable Set SpellBounceRange = "400.00"
Set Variable Set SpellBounceSpeed = "800.00"
Set Variable Set SpellNumberBounces = (2 + (2 x (Level of Chain Storm Bolt for (Casting unit))))
Set Variable Set SpellMaximumNumberHits = "1"
-------- ----------------------------------------------------------------------------------------------------EDIT ABOVE [Missile Speed, Bounce Range, Number of Bounces and how many times the same unit may be hit during one chain.] --------
-------- Spell Effect Create Dummy Unit With Model --------
Set Variable Set TemporaryPoint[1] = (Position of (Casting unit))
Set Variable Set TemporaryPoint[2] = (Position of (Target unit of ability being cast))
-------- ----------------------------------------------------------------------------------------------------EDIT UNDER [The Missile Type, which is a unit.] --------
Unit - Create 1 Storm Bolt Missile for (Owner of (Casting unit)) at TemporaryPoint[1] facing TemporaryPoint[2]
-------- ----------------------------------------------------------------------------------------------------EDIT ABOVE [The Missile Type, which is a unit.] --------
-------- ----------------------------------------------------------------------------------------------------EDIT UNDER [Select the right Loop Trigger.] --------
If ((PowerChainGroup is empty) Equal to True) then do (Turn on Chain_Storm_Bolt_Loop <gen>) else do (Do nothing)
-------- ----------------------------------------------------------------------------------------------------EDIT ABOVE [Select the right Loop Trigger.] --------
Unit Group - Add (Last created unit) to PowerChainGroup
-------- Save Variables --------
Hashtable - Save SpellBounceRange as 0 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save SpellBounceSpeed as 1 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save SpellNumberBounces as 2 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save Handle Of (Target unit of ability being cast) as 3 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save (Level of Chain Storm Bolt for (Casting unit)) as 4 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save SpellMaximumNumberHits as 5 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save (Key (Last created unit).) as 6 of (Key (Last created unit).) in PowerChainHash .
-------- Clean up --------
Custom script: call RemoveLocation (udg_TemporaryPoint[2])
Custom script: call RemoveLocation (udg_TemporaryPoint[1])
Variables that are changed here:
- Ability type (the one that is casted every time the bounce hits)
- The conditions that a unit must meet to be aquired as the next target (example: currently it only picks enemy units)

Note:
- When a new ability is added, make sure you put the right unit order in place (order (Last created unit) to [your ability's base order ID] Target)
Chain Storm Bolt Loop
Events
Time - Every 0.03 seconds of game time
Conditions
Actions
If (All Conditions are True) then do (Then Actions) else do (Else Actions)
If - Conditions
(Number of units in PowerChainGroup) Greater than 0
Then - Actions
Unit Group - Pick every unit in PowerChainGroup and do (Actions)
Loop - Actions
-------- Load Variables --------
Set Variable Set SpellBounceSpeed = (Load 1 of (Key (Picked unit).) from PowerChainHash.)
Set Variable Set SpellNumberBounces = (Load 2 of (Key (Picked unit).) from PowerChainHash.)
Set Variable Set TemporaryTarget = (Load 3 of (Key (Picked unit).) in PowerChainHash.)
Set Variable Set TemporaryKeyTarget = (Load 3 of (Key (Picked unit).) in PowerChainHash.)
Set Variable Set TemporaryKeySpell = (Load 6 of (Key (Picked unit).) from PowerChainHash.)
-------- Spell Effect Move Bouncing Missile --------
Set Variable Set TemporaryPoint[1] = (Position of (Picked unit))
Set Variable Set TemporaryPoint[2] = (Position of TemporaryTarget)
Set Variable Set TemporaryPoint[3] = (TemporaryPoint[1] offset by (0.02 x SpellBounceSpeed) towards (Angle from TemporaryPoint[1] to TemporaryPoint[2]) degrees.)
Unit - Move (Picked unit) instantly to TemporaryPoint[3] , facing TemporaryPoint[2]
Custom script: call RemoveLocation (udg_TemporaryPoint[3])
Custom script: call RemoveLocation (udg_TemporaryPoint[1])
Set Variable Set TemporaryPoint[1] = (Position of (Picked unit))
-------- Collision Of Unit And Bouncing Missile --------
If (All Conditions are True) then do (Then Actions) else do (Else Actions)
If - Conditions
(Distance between TemporaryPoint[1] and TemporaryPoint[2]) Less than or equal to (SpellBounceSpeed / 70.00)
Then - Actions
Custom script: call RemoveLocation (udg_TemporaryPoint[1])
Custom script: call RemoveLocation (udg_TemporaryPoint[2])
-------- Spell Hit --------
Set Variable Set TemporaryPoint[1] = (Position of TemporaryTarget)
Unit - Create 1 Caster for (Owner of (Picked unit)) at TemporaryPoint[1] facing TemporaryPoint[1]
Unit - Add Storm Bolt (Dummy Spell) to (Last created unit)
-------- ----------------------------------------------------------------------------------------------------EDIT UNDER [Ability casted against every unit in the chain, and the right cast order.] --------
Unit - Set level of Storm Bolt (Dummy Spell) for (Last created unit) to (Load 4 of (Key (Picked unit).) from PowerChainHash.)
Unit - Order (Last created unit) to Neutral - Firebolt . TemporaryTarget
-------- ----------------------------------------------------------------------------------------------------EDIT ABOVE [Ability casted against every unit in the chain, and the right cast order.] --------
Unit - Add a 0.10 second Generic expiration timer to (Last created unit)
Custom script: call RemoveLocation (udg_TemporaryPoint[1])
-------- Save Variables On Target Unit --------
Hashtable - Save ((Load TemporaryKeySpell of (Key TemporaryKeyTarget.) from PowerChainHash.) + 1) as TemporaryKeySpell of (Key TemporaryKeyTarget.) in PowerChainHash .
-------- Decrease Bounces --------
Set Variable Set SpellNumberBounces = (SpellNumberBounces - 1)
-------- Bounce On When More Units Can Be Hit --------
If (All Conditions are True) then do (Then Actions) else do (Else Actions)
If - Conditions
SpellNumberBounces Greater than 0
Then - Actions
-------- Load Variables --------
Set Variable Set SpellMaximumNumberHits = (Load 5 of (Key (Picked unit).) from PowerChainHash.)
Set Variable Set SpellBounceRange = (Load 0 of (Key (Picked unit).) from PowerChainHash.)
-------- Spell Effect --------
-------- ----------------------------------------------------------------------------------------------------EDIT UNDER [The conditions that a unit must meet to be aquired as the next target] --------
Set Variable Set TemporaryGroup[1] = (Units within SpellBounceRange of (Position of (Picked unit)) matching (((((Matching unit) is alive) Equal to True) and ((((Matching unit) is A structure) Equal to False) and (SpellMaximumNumberHits Greater than (Load TemporaryKeySpell of (Key (Matching unit).) from PowerChainHash.)))) and ((((Matching unit) belongs to an enemy of (Owner of (Picked unit)).) Equal to True) and ((Matching unit) Not equal to TemporaryTarget))).)
-------- ----------------------------------------------------------------------------------------------------EDIT ABOVE [The conditions that a unit must meet to be aquired as the next target] --------
Set Variable Set TemporaryGroup[2] = (Random 1 units from TemporaryGroup[1])
-------- New Unit To Bounce To Found --------
If (All Conditions are True) then do (Then Actions) else do (Else Actions)
If - Conditions
(Number of units in TemporaryGroup[2]) Greater than 0
Then - Actions
-------- Make This Unit The New Target --------
Unit Group - Pick every unit in TemporaryGroup[2] and do (Actions)
Loop - Actions
Set Variable Set TemporaryTarget = (Picked unit)
Custom script: call DestroyGroup (udg_TemporaryGroup[2])
Custom script: call DestroyGroup (udg_TemporaryGroup[1])
Set Variable Set TemporaryPoint[1] = (Position of (Picked unit))
Set Variable Set TemporaryPoint[2] = (Position of TemporaryTarget)
-------- New Dummy Unit --------
-------- ----------------------------------------------------------------------------------------------------EDIT UNDER [The Missile Type, which is a unit.] --------
Unit - Create 1 Storm Bolt Missile for (Owner of (Picked unit)) at TemporaryPoint[1] facing TemporaryPoint[2]
-------- ----------------------------------------------------------------------------------------------------EDIT ABOVE [The Missile Type, which is a unit.] --------
Unit Group - Add (Last created unit) to PowerChainGroup
-------- Save Variables --------
Hashtable - Save SpellBounceRange as 0 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save SpellBounceSpeed as 1 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save SpellNumberBounces as 2 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save Handle Of TemporaryTarget as 3 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save (Load 4 of (Key (Picked unit).) from PowerChainHash.) as 4 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save SpellMaximumNumberHits as 5 of (Key (Last created unit).) in PowerChainHash .
Hashtable - Save (Load 6 of (Key (Picked unit).) from PowerChainHash.) as 6 of (Key (Last created unit).) in PowerChainHash .
-------- Clean up --------
Custom script: call RemoveLocation (udg_TemporaryPoint[2])
Custom script: call RemoveLocation (udg_TemporaryPoint[1])
Else - Actions
Custom script: call DestroyGroup (udg_TemporaryGroup[2])
Custom script: call DestroyGroup (udg_TemporaryGroup[1])
-------- Clean Up Units That Were Hit --------
Set Variable Set TemporaryGroup[1] = (Units in (Playable map area) matching ((Load TemporaryKeySpell of (Key (Matching unit).) from PowerChainHash.) Not equal to 0))
Unit Group - Pick every unit in TemporaryGroup[1] and do (Actions)
Loop - Actions
Hashtable - Save 0 as TemporaryKeySpell of (Key (Picked unit).) in PowerChainHash .
Custom script: call DestroyGroup (udg_TemporaryGroup[1])
Else - Actions
-------- Clean Up Units That Were Hit --------
Set Variable Set TemporaryGroup[1] = (Units in (Playable map area) matching ((Load TemporaryKeySpell of (Key (Matching unit).) from PowerChainHash.) Not equal to 0))
Unit Group - Pick every unit in TemporaryGroup[1] and do (Actions)
Loop - Actions
Hashtable - Save 0 as TemporaryKeySpell of (Key (Picked unit).) in PowerChainHash .
Custom script: call DestroyGroup (udg_TemporaryGroup[1])
-------- Remove Old Dummy Unit --------
Unit - Kill (Picked unit)
Unit Group - Remove (Picked unit) from PowerChainGroup .
Hashtable - Clear all child hashtables of child (Key (Picked unit).) in PowerChainHash .
Else - Actions
Custom script: call RemoveLocation (udg_TemporaryPoint[1])
Custom script: call RemoveLocation (udg_TemporaryPoint[2])
Else - Actions
Trigger - Turn off (This trigger)
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