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PING POWER


Part 1


I am writing a series/multi part tutorial covering one of my favourite things in coding.
The ping.

This is intended as a simple tutorial to show some examples of the things that can be done with pings.
It is my hope that you'll come away thinking about the ways you can use this to create really cool powers instead of simple
Blademaster abilities.


(The next bit is for beginners so if you have solid skills and know about pings feel free to skip this next part and head to page 2)
What is a ping you ask?
Well sit down young man and I shall tell you a story so vivid and real you'll feel like you are there :p

Pings are essentially fake units.
They have different names for different games but EA seemed to call them pings.
Pings are what make powers like Palantir Vision and Heal work.

I'll use Palantir Vision as an example-
How the power works is the power spawns an OCL which spawns a ping.
Shown below

This ping is invisible and has a timer and a vision range.
So when this spawns it reveals the target area.
As of patch 1.02 (or 1.03 I can't remember which one) they added an AttributeModifierAuraUpdate
which gives the units their speed boost,they also generously threw in a stealth revealer.

The heal spell also uses a ping to replenish hordes with new members using a similar code to the well.


              

Code

;------------------------------------------------------------------------------ Object PalantirVisionPing EvaEnemyUnitSightedEvent = None ; Not a real unit ; ***DESIGN parameters *** VisionRange = 300.0 EditorSorting = SYSTEM KindOf = NO_COLLIDE IMMOBILE UNATTACKABLE IGNORE_FOR_VICTORY IGNORE_FOR_EVA_SPEECH_POSITION MOVE_ONLY ;INERT ThreatLevel = 0 ; *** ENGINEERING Parameters *** Body = ActiveBody ModuleTag_01 MaxHealth = 999999 InitialHealth = 999999 End ;;; ???? I don't think this works right -- shouldn't it be a DeletionUpdate? ;;; LifetimeUpdate can't kill ImmortalBody Behavior = LifetimeUpdate ModuleTag_LifetimeUpdate MinLifetime = 120000 MaxLifetime = 120000 End ; Gives ally trrops bonus Behavior = AttributeModifierAuraUpdate ModuleTag_TroopBonus StartsActive = Yes ;If no, requires upgrade to turn on. BonusName = PalantirVision RefreshDelay = 1000 Range = 200 ObjectFilter = ANY -ORC -URUK +CAVALRY -STRUCTURE -BASE_FOUNDATION -HERO End ; Detects other stealth units Behavior = StealthDetectorUpdate StealthDetectorUpdateModuleTag DetectionRate = 500 ; how often to rescan for stealthed things in my sight (msec) End End