[Snippet] Single Player Detector

13 years

edited 8 years

Description

The purpose of this library is to offer a single function which checks if the game is played in single player mode or multiplayer.
Important: This function must be used only to define if the player is in single player or in Bnet or lan game. This function will fail in replays (it will show that you're in a LAN game by default).

Credits to Nestharus for the awesome solution to this problem

Requirements

- None

Actual Code

Code (jass) Select

1 /******************************************************************
2 *                   SINGLE PLAYER DETECTOR V3.0                   *
3 *                           By moyack                             *
4 *                              2012                               *
5 *              ===================================                *
6 *              Exclusive resource from wc3jass.com                *
7 *              ===================================                *
8 ******************************************************************/
9 library SinglePlayerDetector
10 /*The purpose of this library is to offer a single function which checks if
11   the game is played in single player mode or multiplayer. It offers only
12   one function:
13   
14   isSinglePlayer: takes nothing and returns a boolean.
15   
16   If true, the game is being run in single player mode, else, in multiplayer
17   CREDITS TO NESTHARUS for the improved and nice solution to this problem.
18   It passed from a long code to a simple line function.
19   Credits to Magtheridon96 for the library optimization
20 */
21 
22 globals
23     private boolean sp = ReloadGameCachesFromDisk()
24 endglobals
25  
26 function IsSinglePlayer takes nothing returns boolean
27     return sp
28 endfunction
29 
30 endlibrary

Example

Code (jass) Select

1 scope test initializer init
2 
3 private function init takes nothing returns nothing
4     if IsSinglePlayer() then
5         call DisplayTimedTextFromPlayer(Player(0), 0,0,10, "You're playing alone, forever, happy. You can cheat")
6     else
7         call DisplayTimedTextFromPlayer(Player(0), 0,0,10, "You're playing multiplayer. You can't cheat")
8     endif
9 endfunction
10 
11 endscope

13 years

Uhhm, can you explain the:

" This function cannot be run at map initialization, otherwise it won't offer a right answer. It relies in "greedisgood" cheat to do the verification. "

What does it mean? Does it mean you have to put cheat first before the library run?

13 years

uhm...

Code (jass) Select

1 
2 function IsSinglePlayer takes nothing returns boolean
3     return ReloadGameCachesFromDisk()
4 endfunction
5

the above is the standard way to do this check...

13 years

Quote from: nestharus on November 05, 2012, 06:02:39 AM
uhm...

Code (jass) Select Expand
1 2 function IsSinglePlayer takes nothing returns boolean 3 return ReloadGameCachesFromDisk() 4 endfunction 5

the above is the standard way to do this check...

I... just... didn't... know... about .... this... AWESOME FEATURE!!!!! I burned a lot of brain cells thinking in one solution for this problem and you came with this :)

Awesome!!! I'll update this library, is offensively simple but it¿s worth bolding the feature of this function.

Quote from: sonofjay on November 05, 2012, 12:15:09 AM
Uhhm, can you explain the:

" This function cannot be run at map initialization, otherwise it won't offer a right answer. It relies in "greedisgood" cheat to do the verification. "

What does it mean? Does it mean you have to put cheat first before the library run?

In version yes, but now with the outstanding solution from Nestharus, it's not necessary and works at map init!!!

13 years

Code (jass) Select

1 library IsSinglePlayer
2 
3     globals
4         private boolean sp = ReloadGameCachesFromDisk()
5     endglobals
6 
7     function IsSinglePlayer takes nothing returns boolean
8         return sp
9     endfunction
10 
11 endlibrary

Also, it should be IsSinglePlayer, because FunctionNamesAreWrittenLikeThis ;P

13 years

Im quite sure that replays will screw this.

13 years

Quote from: Magtheridon96 on November 05, 2012, 02:51:18 PM

Code (jass) Select Expand
1 library IsSinglePlayer 2 3 globals 4 private boolean sp = ReloadGameCachesFromDisk() 5 endglobals 6 7 function IsSinglePlayer takes nothing returns boolean 8 return sp 9 endfunction 10 11 endlibrary

Also, it should be IsSinglePlayer, because FunctionNamesAreWrittenLikeThis ;P

Hmmmm.... And I just haven't noticed that :P Your approach is good too.

Quote from: Troll-Brain on November 05, 2012, 04:56:51 PM
Im quite sure that replays will screw this.

I have to test it :)

13 years

http://www.wc3c.net/showthread.php?t=104921&page=3

That has a bit of a discussion about it. That one is about it being online though. So it really depends on what definition of single player you're after.

So you "might" have to revert to the cheat method, it depends on what you're trying to do. You should probably test it anyway just in case.

13 years

Quote from: Purgeandfire on November 06, 2012, 09:51:45 PM
http://www.wc3c.net/showthread.php?t=104921&page=3

That has a bit of a discussion about it. That one is about it being online though. So it really depends on what definition of single player you're after.

So you "might" have to revert to the cheat method, it depends on what you're trying to do. You should probably test it anyway just in case.

The purpose of this script is to detect if you're playing in mode "single player" AKA you can cheat or if you're playing on LAN or B.net.

13 years

edited 13 years

Code (jass) Select

1 library Detector initializer init
2 
3     globals
4         public constant real DELAY = 0.3
5         private boolean Is_multi = false
6         private timer Tim
7     endglobals
8     
9     // these 2 functions can only be used only when the timer has expired or after the TSA in the DoInit2 function
10     
11     function IsMulti takes nothing returns boolean
12         return Is_multi 
13     endfunction
14     
15     function IsSolo takes nothing returns boolean
16         return not Is_multi 
17     endfunction
18     
19     private function EndOfTimer takes nothing returns nothing
20         set Is_multi = true
21     endfunction
22     
23     private function DoInit2 takes nothing returns nothing
24         local diag = DialogCreate()
25         call DialogDisplay(GetLocalPlayer(),diag,true)
26         call TriggerSleepAction(DELAY)
27         call PauseTimer(Tim) // just in case
28         call DestroyTimer(Tim)
29         set Tim = null
30         call DialogDestroy(diag)
31         set diag = null 
32     endfunction
33 
34     private function DoInit takes nothing returns nothing
35         call ExecuteFunc("DoInit2")
36         call TimerStart(Tim,DELAY,false,function EndOfTimer) 
37     endfunction
38     
39     private function init takes nothing returns nothing
40         set Tim = CreateTimer()
41         call TimerStart(Tim,0,false,function DoInit)
42     endfunction
43     
44 endlibrary

This is just a proof of concept i don't know if it works, and yes it can be improved, i will eventually do it if it works and the ReloadGame... bug is confirmed on replays.

EDIT :

Or if Diod's way work 100 % i suppose it doesn't worth it, especially because it would be even more noticeable than his way.
Now maybe the select unit trick mentionned also works and then it would be much better because much faster, in fact could be used just after a Timer(0) and not really noticeable ...

Note, that i don't know what happens if there is a noticeable delay or not.

EDIT 2 :

And just to be clear, no i don't care to test it, and yes you're free to use any part, all, or nothing of this code without any credit required (ofc it's sthe same about the wc3c's post.

And btw Nestharus shouldn't be credited for the Reload... way, he has not dicovered it, even if yeah i suppose we are just re-discovering the same things again and again.
But here i'm just sure that someone told him.

13 years

never said it came from me

TriggerHappy was the first person I saw to post it, but it's really obvious given that gamecache doesn't work in single player ;p.

13 years

Updated, and as Trollbrain said, it will fail in replays. I've added a warning in the first post.

13 years

A warning. Good enough for me :p

Approved.

1	/******************************************************************
2	* SINGLE PLAYER DETECTOR V3.0 *
3	* By moyack *
4	* 2012 *
5	* =================================== *
6	* Exclusive resource from wc3jass.com *
7	* =================================== *
8	******************************************************************/
9	library SinglePlayerDetector
10	/*The purpose of this library is to offer a single function which checks if
11	the game is played in single player mode or multiplayer. It offers only
12	one function:
13
14	isSinglePlayer: takes nothing and returns a boolean.
15
16	If true, the game is being run in single player mode, else, in multiplayer
17	CREDITS TO NESTHARUS for the improved and nice solution to this problem.
18	It passed from a long code to a simple line function.
19	Credits to Magtheridon96 for the library optimization
20	*/
21
22	globals
23	private boolean sp = ReloadGameCachesFromDisk()
24	endglobals
25
26	function IsSinglePlayer takes nothing returns boolean
27	return sp
28	endfunction
29
30	endlibrary

1	scope test initializer init
2
3	private function init takes nothing returns nothing
4	if IsSinglePlayer() then
5	call DisplayTimedTextFromPlayer(Player(0), 0,0,10, "You're playing alone, forever, happy. You can cheat")
6	else
7	call DisplayTimedTextFromPlayer(Player(0), 0,0,10, "You're playing multiplayer. You can't cheat")
8	endif
9	endfunction
10
11	endscope

1
2	function IsSinglePlayer takes nothing returns boolean
3	return ReloadGameCachesFromDisk()
4	endfunction
5

1	library IsSinglePlayer
2
3	globals
4	private boolean sp = ReloadGameCachesFromDisk()
5	endglobals
6
7	function IsSinglePlayer takes nothing returns boolean
8	return sp
9	endfunction
10
11	endlibrary

1	library Detector initializer init
2
3	globals
4	public constant real DELAY = 0.3
5	private boolean Is_multi = false
6	private timer Tim
7	endglobals
8
9	// these 2 functions can only be used only when the timer has expired or after the TSA in the DoInit2 function
10
11	function IsMulti takes nothing returns boolean
12	return Is_multi
13	endfunction
14
15	function IsSolo takes nothing returns boolean
16	return not Is_multi
17	endfunction
18
19	private function EndOfTimer takes nothing returns nothing
20	set Is_multi = true
21	endfunction
22
23	private function DoInit2 takes nothing returns nothing
24	local diag = DialogCreate()
25	call DialogDisplay(GetLocalPlayer(),diag,true)
26	call TriggerSleepAction(DELAY)
27	call PauseTimer(Tim) // just in case
28	call DestroyTimer(Tim)
29	set Tim = null
30	call DialogDestroy(diag)
31	set diag = null
32	endfunction
33
34	private function DoInit takes nothing returns nothing
35	call ExecuteFunc("DoInit2")
36	call TimerStart(Tim,DELAY,false,function EndOfTimer)
37	endfunction
38
39	private function init takes nothing returns nothing
40	set Tim = CreateTimer()
41	call TimerStart(Tim,0,false,function DoInit)
42	endfunction
43
44	endlibrary

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