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virusman
Joined: 30 Jan 2005
Posts: 1020
Location: Russia
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virusman
Joined: 30 Jan 2005
Posts: 1020
Location: Russia
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 Posted: Wed Nov 12, 2008 23:33 Post subject: |
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Windows version is now available.
DestroyArea has been added in 0.2.2 |
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Zunath
Joined: 06 Jul 2006
Posts: 183
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| Posted: Thu Nov 13, 2008 7:49 Post subject: |
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| Real area instancing? Amazing! I'll have to check this out. |
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metamud
Joined: 30 Sep 2008
Posts: 16
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| Posted: Thu Nov 13, 2008 20:11 Post subject: Re: Experimental plugins |
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| virusman wrote: | I've uploaded NWNX Areas to the repository today.
NWNX Areas is a plugin for area instancing in NWN. |
*bows in awe*
*straightens back*
virusman: I salute you.
Thanks! |
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Zunath
Joined: 06 Jul 2006
Posts: 183
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| Posted: Sat Nov 15, 2008 2:46 Post subject: |
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Just tossing this out there:
OS: Windows Vista 32bit
Instancing works great up to a certain point. I was on as a DM and created 2-3 areas. I relogged so they would show in the chooser. I then created another instance and jumped to one of the areas I created before the relog.
At that point I received this error:
The instruction at 0x00442ab4 referenced memory at 0x88000000. The memory could not be read.
It might be a Vista problem but I sure hope not. This plug in is amazing! |
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Zunath
Joined: 06 Jul 2006
Posts: 183
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| Posted: Sat Nov 15, 2008 2:57 Post subject: |
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I just tested it on my server that uses windows XP and it works fine, so my only guess is that Vista isn't compatible. It works great so I'll deal with it. 
Thanks again |
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ShaDoOoW
Joined: 20 Aug 2005
Posts: 584
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| Posted: Mon Nov 24, 2008 22:22 Post subject: |
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Hi, I tried windows version and there is what I found out:
First at all, it works. But object returned by LoadArea function is OBJECT_INVALID. I workarounded it by GetObjectByTag, first object returned was the newest one. But then when I entered to area, I saw nothing, screen was black even after relog.
I played with it a while and I found out that if PC was in game when area was copied, than he will see black screen. If he log after area is copied, then its fine.
Specifics:
Win XP Professional, SP2
copied area was done in Castle Interior 2 tileset.
Almost all other win plugins.
_________________
Community Patch / NWNX Patch / NWNX Files / NWNX Connect |
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MaxRock
Joined: 24 Jan 2008
Posts: 196
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| Posted: Tue Nov 25, 2008 18:15 Post subject: |
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I'm getting the same results as ShaDoOoW with pretty much the same setup.
It seems that the new area doesn't get lit. You can move around in the area and the arches near the walls even obscure your character
edit:
Interesting enough it works fine with the Microset tileset
edit2:
It seems as long as the area is Terrain Type: Exterior it works |
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SartriX
Joined: 13 Jul 2008
Posts: 16
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| Posted: Fri Nov 28, 2008 11:43 Post subject: |
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Can't get it running on linux.
The pre-compiled version moans about some linked versions (the pre-compiles always do, nothing new really), so as usual I just compile:
When I try to compile originally (SVN rev 196), my gcc complains about CNWSArea__Destructor having an optional parameter.
| Code: | HookFunc.cpp:42: error: default arguments are only permitted for function parameters
HookFunc.cpp: In function 'void NWNXDestroyArea(void*, dword)':
HookFunc.cpp:84: error: too few arguments to function |
I tried changing it to a full parameter, as well as tried removing it (adjusting the calls to it as well) to make it compile, but then the OnCreate fails once it loads. So apparently gcc doesn't like the optional parameter, yet the hooks can't find it with the mandatory or ommitted paramater alternatives.
[edit]
On further experimentation, it seems rev 194, which doesn't even include any of the DestroyArea code, generates the same OnCreate failure. So that means it's not failing to load on the changed optional parameter, but even fails to load on the CreateArea hooks.
Specifics:
Linux version 2.6.25-gentoo-r7
gcc version 4.1.2
glibc 2.6.1 |
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metamud
Joined: 30 Sep 2008
Posts: 16
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| Posted: Tue Dec 02, 2008 21:24 Post subject: |
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I made a few minor adjustments to get the code to work on my Ubuntu Hardy 8.04.1 server. I got the same warning SartriX has about declaring the default value of a parameter in the prototype of the function.
Apparently gcc only likes default parameter values in the actual function implementation, not in the prototype.
For the record: | Code: | nwn@mail:~$ g++ --version
g++ (GCC) 4.2.4 (Ubuntu 4.2.4-1ubuntu3)
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The best solution I could come up with was to migrate the "=3" in the prototype declaration to a ", 3" where the actual function call is made. Please have copious fits of laughter at my expense if this is silly
Also, some include directives in "NWNXAreas.h" were slightly skewed (compared to the other plugins), and I got matching compilation warnings/errors until I fixed this header file.
Below, inline, the relevant output of 'svn diff' against r195.
| Code: | Index: plugins/areas/NWNXAreas.h
===================================================================
--- plugins/areas/NWNXAreas.h (revision 195)
+++ plugins/areas/NWNXAreas.h (working copy)
@@ -20,8 +20,8 @@
#ifndef _NWNX_AREAS_H_
#define _NWNX_AREAS_H_
-#include "../NWNXBase.h"
-#include "../gline.h"
+#include "NWNXBase.h"
+#include "gline.h"
#include "HookFunc.h"
class CNWNXAreas : public CNWNXBase
Index: plugins/areas/HookFunc.cpp
===================================================================
--- plugins/areas/HookFunc.cpp (revision 195)
+++ plugins/areas/HookFunc.cpp (working copy)
@@ -39,7 +39,7 @@
void (*CNWSArea__LoadArea)(void *pArea, int flag);
void (*CExoArrayList__Add)(void *pArray, dword nObjID);
void (*CExoArrayList__Remove)(void *pArray, dword nObjID);
-void (*CNWSArea__Destructor)(void *pArea, int flag = 3);
+void (*CNWSArea__Destructor)(void *pArea, int flag);
void *(*GetAreaByGameObjectID)(void *pServerExoAppInternal, dword nObjID);
@@ -81,7 +81,7 @@
CExoArrayList__Remove(pArray, nAreaID);
areas.Log(0, "Destroying area %08lX\n", nAreaID);
void *pArea = GetAreaByGameObjectID((void *)pServInternal, nAreaID);
- CNWSArea__Destructor(pArea);
+ CNWSArea__Destructor(pArea, 3);
}
int HookFunctions()
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After these modifications, the plugin compiles and runs just fine. I do get an illegal object from the LoadArea() function though, in the sense that I cannot use the result to destroy the freshly cloned area. I'm still chewing on that one. But the area *is* cloned and *is* available in the DM's chooser list.
Thanks && Keep up the great work!!! |
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SartriX
Joined: 13 Jul 2008
Posts: 16
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| Posted: Wed Dec 03, 2008 2:03 Post subject: |
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Hmmn. Those exact same changes are the changes I made innitially, but for me the result was that it still refused to run. When starting NWN, I'ld get the aforementioned 'OnCreate() failed' error from the plugin itself.
I finally found what caused the OnCreate() error as well: There seems to be a conflict with the events plugin, which causes it to fail. Since: without nwnx_events it works fine, with events I get the OnCreate() failure.
[edit]
After some debugging, it seems that the line | Code: | | dword org_SaveChar = asmhelp.FindFunctionBySignature("55 89 E5 57 56 53 81 EC B8 00 00 00 FF 75 08 C7 85 74"); |
returns 0 when the nwnx_events plugin is loaded. Not weird, since the exact line is used in nwnx_events to hook on the Save Char event. Question is obviously: Why's the areas plugin trying to hook to the save char signature? Don't have enough knowledge of the internals to assign proper values to pScriptThis and pServThis myself to replace the references to org_SaveChar. |
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SartriX
Joined: 13 Jul 2008
Posts: 16
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| Posted: Wed Dec 03, 2008 3:03 Post subject: |
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Righties, since the HookInfo returned seemingly fine values on the 6 functions it actually did use, I tried to base the pServThis and pScriptThis on the dword from the CNWSArea constructor. Works fine till as area is created and (after relog) shows up in the list. But jumping to the new area makes the server segfault.
This be my new hook, but I'm admittingly just a blind monkey trying to grope some invisible banana right now. Hope it's atleast of any help of those who know the details better.
| Code: | int HookFunctions()
{
*(dword*)&CNWSArea__CNWSArea = 0x080CBD30;
*(dword*)&CNWSArea__LoadArea = 0x080CDFDC;
*(dword*)&CExoArrayList__Add = 0x0805EEE0;
*(dword*)&CNWSArea__Destructor = 0x080CC244;
*(dword*)&GetAreaByGameObjectID = 0x080B0484;
*(dword*)&CExoArrayList__Remove = 0x0805EE88;
dword org = *(dword*)&CNWSArea__CNWSArea;
if (org)
{
pServThis = *(dword*)(org + 0x3C);
pScriptThis = pServThis - 8;
}
PrintHookInfo(*(dword*)CNWSArea__CNWSArea, "CNWSArea.new");
PrintHookInfo(*(dword*)CNWSArea__LoadArea, "CNWSArea.load");
PrintHookInfo(*(dword*)CExoArrayList__Add, "Array.add");
PrintHookInfo(*(dword*)CNWSArea__Destructor, "CNWSArea.destruct");
PrintHookInfo(*(dword*)GetAreaByGameObjectID, "GetAreaByID");
PrintHookInfo(*(dword*)CExoArrayList__Remove, "Array.remove");
return (org && pServThis && pScriptThis);
}
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metamud
Joined: 30 Sep 2008
Posts: 16
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| Posted: Wed Dec 03, 2008 20:17 Post subject: |
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| For the record, I am not (yet) using the events plugin. This may account for my successful attempts at running the areas plugin vs. SartriX' problems. |
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addicted2rpg
Joined: 01 Aug 2008
Posts: 106
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| Posted: Tue Dec 09, 2008 1:52 Post subject: |
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This is really impressive. I have been mulling over how I would do something like this lately, only to find out it has already been done!
Great job virusman!!! |
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metamud
Joined: 30 Sep 2008
Posts: 16
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| Posted: Mon Dec 15, 2008 23:35 Post subject: |
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It's been a while SartriX .. did you manage to get your issues ironed out?
Any other development / experimenting still being carried out? Any help needed testing stuff (on a Linux platform)? |
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