Moderator
M
Moderator
16:29, 28th Jun 2011
Maker: Approved. Can be of great use in creating MUI spells and systems.
Maker: Approved. Can be of great use in creating MUI spells and systems.
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GUI Unit Indexer 1.4.0.0
- Author(s)
- Bribe
- Tags
- System, GUI / Triggers, JASS
- Size
- 22.8 KB
- Rating
- Downloads
- 2110
- Created
- Jun 14, 2011
- Updated
- Apr 17, 2018
- Resources
- 1
- State
Approved
This bundle is marked as recommended. It works and satisfies the submission rules.
Why Unit Indexing is Important
For those not familiar with unit indexers such as UnitIndexingUtils, AutoIndex,
Perfect Unit Indexing (PUI), Advanced Indexing and Data Storage (AIDS) or
Unit Indexer, this can give you a bit of a crash-course.
You definitely want to make your spell MUI. To do that, you either use a hashtable or use some
complex form of indexing. It is very good to choose hashtable because you can load data
from a unit instead of from a list (ie. making it very easy to retrieve an index on death).
Using a hashtable has a bit of a learning curve. There are two keys - a child key, a
parent key and, finally, the actual data being stored. Saving 100 to the casting
unit looks like this:
custom value of the unit as the array index.
Have you ever used unit custom value before? If so, you may be familiar with this method:
by doing that. What if you wanted to remember other things, such as the target unit and the
target location?
Using a Unit Indexer, it's like this:
to reduce total in-game hashtable count (the limit is 256).
Requiring no NewGen, JassHelper or even knowledge of JASS, this is the easiest unit indexer
to install into a map and start using to its fullest right away.
So if you want to have an event fire when a unit is created, when it is leaves the game, or when the unit indexer is initialized, you should take advantage of the UnitIndexEvent real variable.
Thanks
Examples of scripts using this
Pros
unit indexer, custom value, aids, autoindex, getunituserdata, unituserdata, mui, indexing, is unit moving, unitindexer, indexer, index, id generator,
For those not familiar with unit indexers such as UnitIndexingUtils, AutoIndex,
Perfect Unit Indexing (PUI), Advanced Indexing and Data Storage (AIDS) or
Unit Indexer, this can give you a bit of a crash-course.
You definitely want to make your spell MUI. To do that, you either use a hashtable or use some
complex form of indexing. It is very good to choose hashtable because you can load data
from a unit instead of from a list (ie. making it very easy to retrieve an index on death).
Using a hashtable has a bit of a learning curve. There are two keys - a child key, a
parent key and, finally, the actual data being stored. Saving 100 to the casting
unit looks like this:
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Hashtable - Save 100 as (Key(Damage)) of (Key(Triggering unit)) in (Last created hashtable)
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Set Damage[(Custom value of (Triggering unit))] = 100
custom value of the unit as the array index.
Have you ever used unit custom value before? If so, you may be familiar with this method:
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Unit - Set custom value of (Triggering unit) to 100
by doing that. What if you wanted to remember other things, such as the target unit and the
target location?
Using a Unit Indexer, it's like this:
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Set Key = (Custom value of (Triggering unit))
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Set Damage[Key] = 100
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Set Target[Key] = (Target unit of ability being cast)
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Set TargetPoint[Key] = (Target point of ability being cast)
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Unit Group - Add (Triggering unit) to SpellGroup
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Timed Spell
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Events
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Time - Every 0.03 seconds of game time
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Conditions
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Actions
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Unit Group - Pick every unit in SpellGroup and do (Actions)
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Loop - Actions
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Set Key = (Custom value of (Picked unit))
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Unit - Cause (Picked unit) to damage Target[Key] for Damage[Key] of attack type Chaos and damage type normal
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to reduce total in-game hashtable count (the limit is 256).
Requiring no NewGen, JassHelper or even knowledge of JASS, this is the easiest unit indexer
to install into a map and start using to its fullest right away.
- Make sure "automatically create variables" is checked under "File -> Preferences"
- Copy and paste the following trigger (from the test map)
- It's installed!
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Unit Indexer
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Events
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Map initialization
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Conditions
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Actions
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Custom script: call ExecuteFunc("InitializeUnitIndexer")
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Custom script: endfunction
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-------- --------
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-------- This is the core function - it provides an index all existing units and for units as they enter the map --------
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-------- --------
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Custom script: function IndexUnit takes nothing returns boolean
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Custom script: local integer pdex = udg_UDex
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Custom script: local integer ndex
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If (All Conditions are True) then do (Then Actions) else do (Else Actions)
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If - Conditions
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IsUnitPreplaced[0] Equal to False
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Then - Actions
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-------- --------
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-------- Check for removed units for every (32) new units created --------
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-------- --------
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Set UDexWasted = (UDexWasted + 1)
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If (All Conditions are True) then do (Then Actions) else do (Else Actions)
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If - Conditions
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UDexWasted Equal to 32
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Then - Actions
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Set UDexWasted = 0
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Set UDex = UDexNext[0]
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Custom script: loop
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Custom script: exitwhen udg_UDex == 0
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If (All Conditions are True) then do (Then Actions) else do (Else Actions)
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If - Conditions
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(Custom value of UDexUnits[UDex]) Equal to 0
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Then - Actions
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-------- --------
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-------- Remove index from linked list --------
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-------- --------
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Custom script: set ndex = udg_UDexNext[udg_UDex]
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Custom script: set udg_UDexNext[udg_UDexPrev[udg_UDex]] = ndex
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Custom script: set udg_UDexPrev[ndex] = udg_UDexPrev[udg_UDex]
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Set UDexPrev[UDex] = 0
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Set IsUnitPreplaced[UDex] = False
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-------- --------
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-------- Fire deindex event for UDex --------
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-------- --------
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Set UnitIndexEvent = 2.00
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Set UnitIndexEvent = 0.00
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-------- --------
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-------- Recycle the index for later use --------
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-------- --------
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Set UDexUnits[UDex] = No unit
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Set UDexNext[UDex] = UDexRecycle
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Set UDexRecycle = UDex
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Custom script: set udg_UDex = ndex
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Else - Actions
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Set UDex = UDexNext[UDex]
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Custom script: endloop
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Else - Actions
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Else - Actions
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-------- --------
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-------- You can use the boolean UnitIndexerEnabled to protect some of your undesirable units from being indexed --------
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-------- - Example: --------
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-------- -- Set UnitIndexerEnabled = False --------
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-------- -- Unit - Create 1 Dummy for (Triggering player) at TempLoc facing 0.00 degrees --------
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-------- -- Set UnitIndexerEnabled = True --------
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-------- --------
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-------- You can also customize the following block - if conditions are false the (Matching unit) won't be indexed. --------
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-------- --------
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If (All Conditions are True) then do (Then Actions) else do (Else Actions)
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If - Conditions
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UnitIndexerEnabled Equal to True
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(Custom value of (Matching unit)) Equal to 0
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Then - Actions
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-------- --------
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-------- Generate a unique integer index for this unit --------
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-------- --------
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If (All Conditions are True) then do (Then Actions) else do (Else Actions)
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If - Conditions
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UDexRecycle Equal to 0
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Then - Actions
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Set UDex = (UDexGen + 1)
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Set UDexGen = UDex
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Else - Actions
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Set UDex = UDexRecycle
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Set UDexRecycle = UDexNext[UDex]
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-------- --------
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-------- Link index to unit, unit to index --------
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-------- --------
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Set UDexUnits[UDex] = (Matching unit)
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Unit - Set the custom value of UDexUnits[UDex] to UDex
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Set IsUnitPreplaced[UDex] = IsUnitPreplaced[0]
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-------- --------
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-------- Use a doubly-linked list to store all active indexes --------
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-------- --------
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Set UDexPrev[UDexNext[0]] = UDex
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Set UDexNext[UDex] = UDexNext[0]
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Set UDexNext[0] = UDex
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-------- --------
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-------- Fire index event for UDex --------
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-------- --------
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Set UnitIndexEvent = 0.00
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Set UnitIndexEvent = 1.00
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Set UnitIndexEvent = 0.00
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Else - Actions
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Custom script: set udg_UDex = pdex
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Custom script: return false
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Custom script: endfunction
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-------- --------
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-------- The next function initializes the core of the system --------
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-------- --------
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Custom script: function InitializeUnitIndexer takes nothing returns nothing
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Custom script: local integer i = 0
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Custom script: local region re = CreateRegion()
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Custom script: local rect r = GetWorldBounds()
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Custom script: local boolexpr b = Filter(function IndexUnit)
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Set UnitIndexEvent = -1.00
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Set UnitIndexerEnabled = True
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Set IsUnitPreplaced[0] = True
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Custom script: call RegionAddRect(re, r)
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Custom script: call TriggerRegisterEnterRegion(CreateTrigger(), re, b)
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Custom script: call RemoveRect(r)
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Custom script: set re = null
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Custom script: set r = null
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Custom script: loop
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Custom script: call GroupEnumUnitsOfPlayer(bj_lastCreatedGroup, Player(i), b)
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Custom script: set i = i + 1
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Custom script: exitwhen i == bj_MAX_PLAYER_SLOTS
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Custom script: endloop
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Custom script: set b = null
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-------- --------
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-------- This is the "Unit Indexer Initialized" event, use it instead of "Map Initialization" for best results --------
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-------- --------
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Set IsUnitPreplaced[0] = False
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Set UnitIndexEvent = 3.00
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So if you want to have an event fire when a unit is created, when it is leaves the game, or when the unit indexer is initialized, you should take advantage of the UnitIndexEvent real variable.
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Unit Indexed Event
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Events
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Game - UnitIndexEvent becomes Equal to 1.00
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Conditions
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UDexUnits[UDex] is A Hero Equal To true
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Actions
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Item - Create 1 Tome of Power and give it to UDexUnits[UDex]
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Unit Deindexed Event
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Events
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Game - UnitIndexEvent becomes Equal to 2.00
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Conditions
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Actions
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Game - Display to (All Players) the text - Unit (UDex) was deindexed!
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Unit Indexer Initialized Event
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Events
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Game - UnitIndexEvent becomes Equal to 3.00
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Conditions
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Actions
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Unit - Create 1 Paladin for (Player 1) at TempPoint facing 0.00 degrees
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Item - Create 1 Ankh of Reincarnation and give it to (Last created unit)
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Set HeroItem[(Custom value of (Last created unit))] = (Last created item)
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Thanks
Nestharus for creating the powerful vJass UnitIndexer.
The community for encouraging me to use a unit indexer when I was learning.
The community for encouraging me to use a unit indexer when I was learning.
Examples of scripts using this
Spell Template (build MUI spells with Unit Indexer)
Unit Event
Is Unit Moving
DamageEvent and DamageModifier
Cloud Spiral
Inferno Stride
Unit Event
Is Unit Moving
DamageEvent and DamageModifier
Cloud Spiral
Inferno Stride
Pros
- Gives units a unique custom value for use as array indexes (1-8190)
- Recycles indexes of decayed/removed units
- Very extensible library that can be used for not just spells but systems as well.
- Extremely easy to implement (cnp)
- No object editor data needed
- Does not need a timer
- No knowledge of JASS required. You can toggle the boolean UnitIndexerEnabled to filter unwanted units, and you can even customize the filter with more conditions than just that if you want to do something like filter summoned units or not allow any units to be indexed with locust, for example.
- Has "OnIndex" (UnitIndexEvent == 1.00) and "OnDeindex" (UnitIndexEvent == 2.00) events
- You can only get the custom value of units, not set it. Work with the unit indexer - not
against it. You can easily create an array and reference all the data you need (custom value of unit as the array index) instead of using custom value directly. - Use the event - "Game - UnitIndexEvent Equal to 3.00" instead of "Map Initialization" if you want to make sure all of your units have custom value when used in that trigger's actions.
- Units are not "in scope" when deindexed, so things like checking if it's summoned or if it's a hero will not work. Use the seperate resource "Unit Event" with the event "DeathEvent becomes Equal to 3.00" to catch a unit as soon as it's removed.
unit indexer, custom value, aids, autoindex, getunituserdata, unituserdata, mui, indexing, is unit moving, unitindexer, indexer, index, id generator,
Reviews
- Joined
- Oct 16, 2010
- Messages
- 193
Does this mean that this trigger can count units for you and give the unit a special code?
Code Moderator
- Joined
- Sep 26, 2009
- Messages
- 9,404
If you mean counting how many units are in the map at once, no this is not what it's used for.
The custom value of the unit is a mere integer used in array lookups to make indexing more automated (user-friendly).
The custom value of the unit is a mere integer used in array lookups to make indexing more automated (user-friendly).
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Set MyData[(Custom value of (Triggering unit))] = 1000
- Joined
- Dec 12, 2008
- Messages
- 7,379
This really deserves a DC
A UnitIndexer is ok, but a UnitIndexer for GUIers?? That is above and beyond
The only problem is that some GUIers use custom values for other stuff
If they do, it's their loss xD
Good Jobdude sir Bribe 5/5 ^^
A UnitIndexer is ok, but a UnitIndexer for GUIers?? That is above and beyond
The only problem is that some GUIers use custom values for other stuff
If they do, it's their loss xD
Good Job
5/5 ^^
- Joined
- Nov 14, 2008
- Messages
- 3,256
LOL what is this?! You know that GUIers doesn't use unit indexers for some what unknown reason.
The filter should filter out units with locust btw.
The filter should filter out units with locust btw.
Code Moderator
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- Sep 26, 2009
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It intentionally enumerates units with locust, because dummy units like projectiles can benefit from indexes.
However, I should make it clearer what users can add to make it filter out unwanted units.
Jesus4Lyf used a very similar approach in his "GUI AIDS" so I cannot take credit for the idea. This is simply a different implementation and has some pros and cons against his:
However, I should make it clearer what users can add to make it filter out unwanted units.
Jesus4Lyf used a very similar approach in his "GUI AIDS" so I cannot take credit for the idea. This is simply a different implementation and has some pros and cons against his:
| Jesus4Lyf - Uses a timer throughout the game to check if units should be removed - As a consequence, only removes up to 32 dead instances per second, making it (in a stretch of the imagination) possible that the digit 8190 can be exceeded (more a logical problem than a practical one) - Ends up being more efficient when units are created - Pretty easy to implement (3 sets of cnp) | Bribe - Checks for removed units only when a new unit is added to the map - Does a quick iteration over all indexed units each time a unit is added - Ends up being more efficient over the course of the game, using fewer handles - Easier to implement (two cnp instead of 3) |
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But the timer option in AIDS is optional from my experience. Else it uses the classic "undefend" ability to detect leave/removed instances.
Yeah you're probably right about the dummies now when I think about it, GUIers will gain alot by this.
Does the userdata always return 0 when a unit is removed/decayed? Cool.
Yeah you're probably right about the dummies now when I think about it, GUIers will gain alot by this.
Does the userdata always return 0 when a unit is removed/decayed? Cool.
Code Moderator
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His GUI version of AIDS only uses a timer, it doesn't have an option for the undefend bug.
GetUnitUserData returns 0 for null/removed/decayed units. The wc3 system does some internal deallocation when units pass from scope - an event Blizzardforgot couldn't be bothered with to give us access to.
GetUnitUserData returns 0 for null/removed/decayed units. The wc3 system does some internal deallocation when units pass from scope - an event Blizzard
- Joined
- Apr 4, 2011
- Messages
- 995
I'm really, really confused by this. But from what I gather, this replaces hashtables right? So you could put the custom value of whatever unit in a spell, and it will make it MUI, so long as you don't have 8190 units on the field, right? If that's what it does only problem I see with it is that is uses custom values. A lot of system use custom values
- Joined
- Jul 10, 2007
- Messages
- 6,306
Those other systems shouldn't be using
SetUnitUserData, but should rather just be assuming that a unit indexer is in the map and make use of GetUnitUserData= )
Code Moderator
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- Sep 26, 2009
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- 9,404
Update to 1.0.0.1 - added an optional filter and an optional initializer.
Before, it was unclear how to filter units.
Now, you can filter units from the UnitIndexFilter function in the custom script.
Before, if you needed to get the custom value of a unit during map initialization, it may have returned zero.
Now, you can run any of those triggers from the designated spot in the Unit Indexer trigger (where it says "run initialization triggers after this line").
With these changes, this system is now perfect unless the user calls SetUnitUserData (sets the custom value of the unit) themselves. However, users should not be doing that if they want to use this system (only calling GetUnitUserData).
Finally, no map that exceeds 8190 units can be taken seriously. The array limit in that case is out of the question.
Before, it was unclear how to filter units.
Now, you can filter units from the UnitIndexFilter function in the custom script.
Before, if you needed to get the custom value of a unit during map initialization, it may have returned zero.
Now, you can run any of those triggers from the designated spot in the Unit Indexer trigger (where it says "run initialization triggers after this line").
With these changes, this system is now perfect unless the user calls SetUnitUserData (sets the custom value of the unit) themselves. However, users should not be doing that if they want to use this system (only calling GetUnitUserData).
Finally, no map that exceeds 8190 units can be taken seriously. The array limit in that case is out of the question.
- Joined
- Oct 16, 2010
- Messages
- 193
i still do not understand what does a indexer do? Could someone explain this a little more if you have the time?
- Joined
- Jul 10, 2007
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- 6,306
It gives each unit a unique id that can be used as an array index.
So rather than (hashtable)
you can do (array)
So rather than (hashtable)
SaveInteger(table,GetHandleId(unit),0,value)you can do (array)
set a[GetUnitUserData(unit)]=value
Code Moderator
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Updated description with a short text on why unit indexing is important.
- Joined
- Oct 15, 2008
- Messages
- 17
hi i'm new to mapping and am having trouble on how to use this system in my map.
i followed the steps and added the system to my map.
i didn't edit anything, i.e, Unit Indexer trig and the jass script located on map name.
i tried setting custom integer variable to triggering units custom variable to my spell
and when i try to multi cast the spell with 2 different units with 2 different custom values, it doesn't work. The last casted spell overwrites the first one.
could someone help me fix this?
i have attached the map to this post.
thanks =)
i followed the steps and added the system to my map.
i didn't edit anything, i.e, Unit Indexer trig and the jass script located on map name.
i tried setting custom integer variable to triggering units custom variable to my spell
and when i try to multi cast the spell with 2 different units with 2 different custom values, it doesn't work. The last casted spell overwrites the first one.
could someone help me fix this?
i have attached the map to this post.
thanks =)
Last edited:
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- Apr 4, 2011
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- 995
Make sure you properly affix the map . . . Because it isn't showing up. Once you attach the file you have to also click the little attachment button to put in the attachment in the post somewhere.
- Joined
- Oct 15, 2008
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- 17
yeh just fixed it, i attached the wrong map b4 so i edited it lol
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You have waits in your spell. Even with a unit indexer, waits will overwrite the data previously stored. To avoid this, DON'T USE WAITS. Look up some tutorials on making spells MUI. Just in case you don't, heres a simple breakdown. Don't ever use waits in spells unless you use local variables. Any spell that isn't instant needs a unit indexer (this very thing , hashtables, or recycling. Next time you post something about triggers it should probably be under the "triggers and scripts" part of the help section.
, hashtables, or recycling. Next time you post something about triggers it should probably be under the "triggers and scripts" part of the help section.
Code Moderator
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Updated to 1.0.1.0, this version now recycles every 15 new units as an optimization. The demo map has been updated to be more dynamic - you can type commands to create new units, display their indices and click on them to remove them from the game. This is to better show off the index recycling as the old demo I had won't work with the new "recycle every 15 new units" setup.
- Joined
- Mar 10, 2009
- Messages
- 5,016
I thought you said that custom values of a unit can conflict with other systems? or am I missing something?...
Bribe said:
Code Moderator
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The point of a unit indexer is to use the same custom value of a unit for all systems, instead of relying on hashtables. "Custom value" is fine as long as it keeps in mind that other systems might also want to use it, which is exactly what this does.
Edit: Fixed a potential indexing problem and made the test map *way* better. You can play around with this thing a lot more than before.
Edit: Fixed a potential indexing problem and made the test map *way* better. You can play around with this thing a lot more than before.
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So if I understand correctly you can make any amount of MUI spells with this system without the indexing and hastables by just using the custom value of a unit as the index?
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that'd be correct
- Joined
- Nov 14, 2008
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And as long as the user don't touch the UnitUserData aka Custom Value when using this.
- Joined
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Then this is exactly what I've been looking for.
Nothing uses custom values in the map currently.
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Then you're good to go sir!
Code Reviewer
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- Mar 19, 2008
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Exellent tool for any GUI user. I'm pretty sure it will soon be used commonly.
Deserves DC. Since I can not give more oyu Bride at least you get: 5/5
Deserves DC. Since I can not give more oyu Bride at least you get: 5/5
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The only problem is that this will only be used in maps, as using it in spells uploaded here will break the rules since spells must not use unit custom values.
- Joined
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I'm sure that we can add a rule to prevent this when using this.
Code Moderator
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There is no spell rule that says you can't use
custom value. In fact, I should add a rule that
says "custom value" is encouraged, as long as
the only thing that sets it is a unit indexer of
some kind.
The thing about a unit indexer is it sets the
custom value for a unit only once, to give it a
unique ID, which can be shared by all systems.
The value is 1-8190 so it will be perfect for
array indices. Instead of setting the custom
value, now you just have to set an array by
array index of the custom value.
If a system sets the custom value and doesn't
consider that other resources might depend on
it, then I'll definitely reject it, because that's
breaking compatibility.
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.
- Joined
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Bribe, you should link IsUnitMoving to this also, seeing as that's an add-on. If I were you I'd also release them together in the packs section.
Code Moderator
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IsUnitMoving and UnitIndexer are pretty different resources. There
is unlimited potential for UnitIndexer while IsUnitMoving serves a
pretty specific purpose. At most I'd like to "examples" of "what you
can do", but I wouldn't consider IsUnitMoving an add-on.
However, as inspired by Maker, I will be making some changes to
both IsUnitMoving as well as UnitIndexer
is unlimited potential for UnitIndexer while IsUnitMoving serves a
pretty specific purpose. At most I'd like to "examples" of "what you
can do", but I wouldn't consider IsUnitMoving an add-on.
However, as inspired by Maker, I will be making some changes to
both IsUnitMoving as well as UnitIndexer
- Joined
- Apr 4, 2011
- Messages
- 995
My mistake, sorry. But I think any other resources that utilize the UnitIndexer as a base should be mentioned somewhere, which you said yourself
IsUnitMoving is a great example of what you can do with the UnitIndexer. You are definitely right in that it serves a specific purpose, and I guess add-on was the wrong term for it, but it shows what the UnitIndexer can do Also, EvilCrispy has a spell that runs on UnitIndexer I believe.
Bribe said:
IsUnitMoving is a great example of what you can do with the UnitIndexer. You are definitely right in that it serves a specific purpose, and I guess add-on was the wrong term for it, but it shows what the UnitIndexer can do
Also, EvilCrispy has a spell that runs on UnitIndexer I believe.
Last edited:
Code Moderator
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Updated to version 1.1.0.0 - this now has three custom events that GUI
users can take advantage of:
users can take advantage of:
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Unit Indexer Events
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Events
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-------- When a unit is indexed: --------
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Game - UnitIndexEvent becomes Equal to 1.00
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-------- When a unit is deindexed: --------
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Game - UnitIndexEvent becomes Equal to 2.00
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-------- When Unit Indexer has been initialized: --------
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Game - UnitIndexEvent becomes Equal to 3.00
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Conditions
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Actions
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-------- UDexUnits[UDex] refers to the indexed/deindexed unit --------
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You attached the wrong map
EDIT: I have a question. Do things such as summonable units and illusions get indexed when created?
EDIT: I have a question. Do things such as summonable units and illusions get indexed when created?
Last edited:
Code Reviewer
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I'm pretty sure they are, although you can disable indexing new unit using:
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Set UnitIndexerEnabled = False
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Unit - <Create unit>
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Set UnitIndexerEnabled = True
Code Moderator
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Update to 1.2.0.0 - now can be installed with just one copy and paste (I have removed the dependency on the map header script).
Edit: Added a "how to" for the index events, and fixed a possible recursion bug that was in all Event-based versions.
Edit 2: Fixed all possible recursion bugs.
Edit: Added a "how to" for the index events, and fixed a possible recursion bug that was in all Event-based versions.
Edit 2: Fixed all possible recursion bugs.
Last edited:
Code Moderator
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Updated the description. Anyone who had trouble figuring out how to use this in their
maps is welcome to try out the template I developed for that purpose:
http://www.hiveworkshop.com/forums/spells-569/unit-indexer-spell-template-202003/
maps is welcome to try out the template I developed for that purpose:
http://www.hiveworkshop.com/forums/spells-569/unit-indexer-spell-template-202003/
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The only problem with this is that I can see myself making 100 variables for each spell lol
Code Moderator
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The beauty is that if you have a bunch of spells that all have similar type things
(duration, caster, damage, area of effect) you can use hte same variables for all
spells.
(duration, caster, damage, area of effect) you can use hte same variables for all
spells.
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Item Indexer next?
Code Moderator
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Item indexing isn't nearly as important, nor as easy to
do
I recommend hashtables for items.
do
I recommend hashtables for items.
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I never got the point with an item indexer... and there are plenty in vJASS and still don't get the point.
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Actually if cJASS is fixed, Item Indexing will be fairly easy to do = ).
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How come? (Never learned cJASS as it has been buggy)
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Used this in mah casting bar =D
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So is this really "better" (using less ressources) than hashtables or is it just not as confusing?
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It's both.
Using arrays with Custom value of (unit) as the index is using fewer hashtables (you can only have a max of 256 in the map), is more logical (because each array has a name of its own) and is more practical because it's way faster than using hashtables.
For spells I typically recommend Hanky's Dynamic Indexing or I'll recommend this or hashtables if the user is more comfortable with that approach.
http://www.hiveworkshop.com/forums/spells-569/gui-dynamic-indexing-template-144325/
http://www.hiveworkshop.com/forums/...9/complete-beginners-guide-hashtables-197381/
Using arrays with Custom value of (unit) as the index is using fewer hashtables (you can only have a max of 256 in the map), is more logical (because each array has a name of its own) and is more practical because it's way faster than using hashtables.
For spells I typically recommend Hanky's Dynamic Indexing or I'll recommend this or hashtables if the user is more comfortable with that approach.
http://www.hiveworkshop.com/forums/spells-569/gui-dynamic-indexing-template-144325/
http://www.hiveworkshop.com/forums/...9/complete-beginners-guide-hashtables-197381/
