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AppGameKit Classic Chat / [SOLVED] AGK 2 Plugin

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TheLion
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Joined: 30th Jun 2004
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Posted: 7th Mar 2024 19:58
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Hi, I keep getting the following error message when trying to load a plugin, Has anyone any ideas as to why?

" Failed to load plugin 'MyPlugin' required by this app,it may not be available for this platform"

regards Leo

PS The first plugin wrote worked a treat but, after that I just get the same message even with the one that worked first! the plugin is wrote in Delphi 7 and I have the following function

// **** Needed For AGK2 to make plugin work ****
function ReceiveAGKPtr(): Integer; stdcall;
begin
end;
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Virtual Nomad
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Location: SF Bay Area, USA
Posted: 7th Mar 2024 20:43
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I think u'll get that msg if ur app is 32 bit and the plugin 64 bit or vice versa so make sure those match (we can tick 64 bit builds (or not) in the geany ide).
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TheLion
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Posted: 7th Mar 2024 21:15
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Thanks Virtual Nomad

I've just ported to Delphi 11 and recompiled the DLL to 64bit, set AGK2 to 64bit too. Still the same message. I am at a lose as what is causing this error.

PS same error on my laptop.

Cheers Leo
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adambiser
AGK Developer
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Posted: 8th Mar 2024 03:19
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Your ReceiveAGKPtr signature doesn't look correct to me.
In C++ it's:


Maybe this?
Fascimania games on itch.io | Fascimania games on Steam | GitHub Projects with some AppGameKit Plugins | Since I have been asked, I do have paypal.me.
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TheLion
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Posted: 8th Mar 2024 20:07
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This post has been marked by the post author as the answer.
Thanks adambiser !

Doff my cap to you mate, respect!

It was the pointer function, it should have been along these lines below.

// **** Needed For AGK2 to make plugin work ****
function ReceiveAGKPtr(): longint; stdcall;
begin
end;

Although longint is a signed 32bit word it still works, will change this to unsigned longword.

thanks again

Leo
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adambiser
AGK Developer
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Posted: 9th Mar 2024 01:05
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Haven't looked at Delphi in ages, but aren't you declaring ReceiveAGKPtr to be a function that returns a longint? ReceiveAGKPtr doesn't return anything, but receives the pointer...
Fascimania games on itch.io | Fascimania games on Steam | GitHub Projects with some AppGameKit Plugins | Since I have been asked, I do have paypal.me.
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TheLion
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Posted: 9th Mar 2024 09:43
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Yes, the routine will not return anything unless I place a return value like below

function ReceiveAGKPtr(): Pointer; stdcall;
begin
ReceiveAGKPtr:= " A Value to return"
end;

Leo
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adambiser
AGK Developer
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Posted: 10th Mar 2024 01:57
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Let me reword. ReceiveAGKPtr isn't supposed to return anything. It is a void function. Instead, it should receive the pointer as its first argument.
Fascimania games on itch.io | Fascimania games on Steam | GitHub Projects with some AppGameKit Plugins | Since I have been asked, I do have paypal.me.
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