Simulating Blight... kinda

09-17-2007, 01:24 PM

Heya, well in a little project of mine I have my buildings expand a different terrain type (using the terrain changing triggers) around them in a similer way to blight but I don't need the whole 'can only build on blight' thing, it's just aesthetic.
No, what I'm here to ask about is this: One of the problems with just setting terrain in a circle is that it doesn't effect pathing meaning buildable and unbuildable terrain is covered by this new terrain so there's no visible means of differentiating for structure placement. I need to be able to check the pathing type of cells in a circle around a given point and only apply the new terrain to the buildable/passable cells. I remember such a function on WC3Sear.ch but alas I don't know where it is now :(

So any help would be appreciated, thanks :)

09-17-2007, 07:33 PM

TaintedReality

JASS:

native IsTerrainPathable            takes real x, real y, pathingtype t returns boolean

JASS:

PATHING_TYPE_AMPHIBIOUSPATHING, 
PATHING_TYPE_ANY, 
PATHING_TYPE_BLIGHTPATHING, 
PATHING_TYPE_BUILDABILITY, 
PATHING_TYPE_FLOATABILITY, 
PATHING_TYPE_FLYABILITY, 
PATHING_TYPE_PEONHARVESTPATHING, 
PATHING_TYPE_WALKABILITY

And remember it returns the opposite of what it should, for some reason.

09-17-2007, 08:49 PM	#3
Xaran Alamas	Er... that's not quite what I wanted. What I meant was I need some way of checking all cells within a circle for what their pathing is, but I don't know the right maths type thing to figure that out.

09-17-2007, 10:38 PM

TaintedReality

Just use a loop inside a loop, one with an increasing angle and one with an increasing distance. Whenever the angle gets to 2Pi, set it back to 0 and increase the distance. This of course won't perfectly select each point only once - some tiles will get checked more than once. But really, in this instance efficiency isn't worth the extra effort (since it's not going to lag anyways), and it will look the same in-game as if it only checked each tile once.

09-18-2007, 07:56 AM	#5
Xaran Alamas	Thanks... though what's 2Pi?

09-18-2007, 08:00 AM	#6
Tide-Arc Ephemera	2 times pi maybe?

09-18-2007, 08:03 AM	#7
Xaran Alamas	Wouldn't that be more or less infinity? (Sorry if this is some maths term, my maths is... not so great)

09-18-2007, 08:14 AM	#8
burningice95	no. 2pi = 360/0 degrees.

09-18-2007, 08:16 AM	#9
Xaran Alamas	Ah. Thanks, I'll try it out. Thanks for the help everyone. Edit: Ok my jass must be rusty as I can't get it working... could someone please provide some sample code? Thanks

09-24-2007, 09:25 PM	#10
Xaran Alamas	Heya again. could someone please provide some sample code? I can't get it figured out :-/ thanks.

09-25-2007, 01:06 AM

#11

Pheonix-IV

I'm not sure what the JASS is, but this will do it in GUI and should hopefully help point you in the right direction.

Trigger:

FakeBlight

Events

Unit - A unit Finishes construction

Conditions

Actions

Set temppoint1 = (Position of (Constructed structure))

For each (Integer A) from 1 to 45, do (Actions)

Loop - Actions

Set temppoint3 = (temppoint1 offset by 50.00 towards ((Real((Integer A))) x 8.00) degrees)

For each (Integer B) from 1 to 20, do (Actions)

Loop - Actions

Set temppoint2 = (temppoint1 offset by ((Real((Integer B))) x 30.00) towards (Angle from temppoint1 to temppoint3) degrees)

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

If - Conditions

(Terrain pathing at temppoint2 of type Buildability is off) Equal to True

Then - Actions

Else - Actions

Environment - Change terrain type at temppoint2 to Ashenvale - Leaves using variation -1 in an area of size 1 and shape Circle

Custom script: call RemoveLocation (udg_temppoint2)

Custom script: call RemoveLocation (udg_temppoint3)

Custom script: call RemoveLocation (udg_temppoint2)

--EDIT--

Oh, you probably don't need the temppoint3 stuff, just use integer A on the angle for temppoint 2. I was using temppoint3 as a debug to try and work out why it seemed to be skipping a step, but it was unrelated.

09-25-2007, 09:40 AM	#12
Xaran Alamas	Thanks Pheo, I'll try it out. Edit: I ended up using temppoint3 too as it didn't seem to work otherwise but it's working great now, thanks :)