AlliedModders - [CSGO] Doing stuff with TheNavAreas and navarea

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- - [CSGO] Doing stuff with TheNavAreas and navarea_count (https://forums.alliedmods.net/showthread.php?t=305236)

[CSGO] Doing stuff with TheNavAreas and navarea_count

Gamedata

Code:

"Games"

{

        "csgo"

        {

                "Addresses"

                {

                        "navarea_count"

                        {

                                "windows"

                                {

                                        "signature" "nav_update_lighting" 

                                        "read" "92"

                                }

                                "linux"

                                {

                                        "signature" "nav_update_lighting" 

                                        "read" "18"

                                }

                        }

                }

                "Signatures"

                {

                        "nav_update_lighting"        //nav_update_lighting(CCommand const&) | STR "Computed lighting for %d/%d areas\n"

                        {

                                "windows"        "\x55\x8B\xEC\x8B\x45\x08\x57\x33\xFF"

                                "linux"                "\x55\x89\xE5\x56\x53\x83\xEC\x10\x8B\x45\x08\x83\x38\x02"

                        }

                }

        }

}

Plugin

PHP Code:


		
			
Address TheNavAreas;
Address navarea_count;

//You want to do this in OnMapStart or else after a map change you will have a bad address
public void OnMapStart()
{
    Handle hConf = LoadGameConfigFile("yourgamedata.txt");
    
    navarea_count = GameConfGetAddress(hConf, "navarea_count");
    PrintToServer("Found \"navarea_count\" @ 0x%X", navarea_count);
    
    //TheNavAreas is nicely above navarea_count
    TheNavAreas = view_as<Address>(LoadFromAddress(navarea_count + view_as<Address>(0x4), NumberType_Int32));
    PrintToServer("Found \"TheNavAreas\" @ 0x%X", TheNavAreas);
    
    delete hConf;
}

Useful things you may do with this

PHP Code:


		
			
//Get areas that are bigger than 50 units wide and maybe spawn stuff on them
//Say you were making a hunger games gamemode or a true random spawns deathmatch mode, 
//you could use this to always have a truly random spawn for your player or hunger games loot.
//Yes this is the exact code CS:GO uses to keep the map populated with chickens

void DoStuff()
{
    int iAreaCount = LoadFromAddress(navarea_count, NumberType_Int32);

    int iValidAreaCount = 0;
    
    //Check that this map has any nav areas
    if ( iAreaCount > 0 )
    {
        //Get a random area 10 times
        for (int i = 0; i <= 10; i++)
        {
            //Get random area
            Address RandomArea = view_as<Address>(LoadFromAddress(TheNavAreas + view_as<Address>(4 * GetRandomInt(0, iAreaCount - 1)), NumberType_Int32));
            
            float m_nwCorner[3];
            m_nwCorner[0] = view_as<float>(LoadFromAddress(RandomArea + view_as<Address>(4), NumberType_Int32));
            m_nwCorner[1] = view_as<float>(LoadFromAddress(RandomArea + view_as<Address>(8), NumberType_Int32));
            m_nwCorner[2] = view_as<float>(LoadFromAddress(RandomArea + view_as<Address>(12), NumberType_Int32));
            
            float m_seCorner[3];
            m_seCorner[0] = view_as<float>(LoadFromAddress(RandomArea + view_as<Address>(16), NumberType_Int32));
            m_seCorner[1] = view_as<float>(LoadFromAddress(RandomArea + view_as<Address>(20), NumberType_Int32));
            m_seCorner[2] = view_as<float>(LoadFromAddress(RandomArea + view_as<Address>(24), NumberType_Int32));
            
            //Check that the area is bigger than 50 units wide on both sides.
            if((m_seCorner[0] - m_nwCorner[0]) <= 50.0)
                continue;
            
            if((m_seCorner[1] - m_nwCorner[1]) <= 50.0)
                continue;
            
            //Calculate area center position.
            float vecPos[3];
            AddVectors(m_nwCorner, m_seCorner, vecPos);
            ScaleVector(vecPos, 0.5);
            
            //Check if any player can see this place
            if(UTIL_IsVisibleToTeam(vecPos, 2))
                continue;
            
            if(UTIL_IsVisibleToTeam(vecPos, 3))
                continue;
            
            CreateEntity(vecPos);
            iValidAreaCount++;
        }
    }
}

stock bool UTIL_IsVisibleToTeam(float vecPos[3], int team)
{
    for (int i = 1; i <= MaxClients; i++)
    {
        if(!IsClientInGame(i))
            continue;
            
        if(!IsPlayerAlive(i))
            continue;
            
        if(GetClientTeam(i) != team)
            continue;
        
        if(!IsLineOfFireClear(vecPos, GetEyePosition(i)))
            continue;
            
        return true;
    }
    
    return false;
}

stock bool IsLineOfFireClear(float from[3], float to[3])
{
    Handle trace = TR_TraceRayFilterEx(from, to, CONTENTS_SOLID|CONTENTS_MOVEABLE|0x40|CONTENTS_MONSTER, RayType_EndPoint, FilterPlayers);
    
    float flFraction = TR_GetFraction(trace);
    
    delete trace;
    
    if (flFraction >= 1.0/* && !trace.allsolid*/) 
    {
        return !(flFraction == 0.0);    //allsolid
    }
    
    return false;
}

WINDOWS Gamedata has been tested and confirmed working
LINUX Gamedata also works according to Rachnus

Re: [CSGO] Doing stuff with TheNavAreas and navarea_count

Code:

L 07/18/2018 - 10:13:57: Info (map "de_dust2") (file "errors_20180718.log")

L 07/18/2018 - 10:13:57: [SM] Exception reported: Invalid address 0x4 is pointing to reserved memory.

L 07/18/2018 - 10:13:57: [SM] Blaming: test.smx

L 07/18/2018 - 10:13:57: [SM] Call stack trace:

L 07/18/2018 - 10:13:57: [SM]   [0] LoadFromAddress

L 07/18/2018 - 10:13:57: [SM]   [1] Line 43, C:\Users\test\sm 1.8\test.sp::OnMapStart

L 07/18/2018 - 10:14:03: Error log file session closed.

whats wrong?

Re: [CSGO] Doing stuff with TheNavAreas and navarea_count

PHP Code:


		
			
navarea_count = GameConfGetAddress(hConf, "navarea_count");

This is returning 0, which is not a valid address. This could be because it failed to read the gamedata or because the gamedata is outdated.

Re: [CSGO] Doing stuff with TheNavAreas and navarea_count

Quote:

Originally Posted by hmmmmm (Post 2604585)

PHP Code:


		
			
navarea_count = GameConfGetAddress(hConf, "navarea_count");

This is returning 0, which is not a valid address. This could be because it failed to read the gamedata or because the gamedata is outdated.

Nice OS

EDIT:
Still works fine on Windows 19.07.2018

Re: [CSGO] Doing stuff with TheNavAreas and navarea_count

Quote:

Originally Posted by Pelipoika (Post 2604681)

Nice OS

EDIT:
Still works fine on Windows 19.07.2018

still can't get it to work

Code:

Found "navarea_count" @ 0x0

L 07/23/2018 - 18:23:44: [SM] Exception reported: Invalid address 0x4 is pointing to reserved memory.

L 07/23/2018 - 18:23:44: [SM] Blaming: test.smx

L 07/23/2018 - 18:23:44: [SM] Call stack trace:

L 07/23/2018 - 18:23:44: [SM]   [0] LoadFromAddress

L 07/23/2018 - 18:23:44: [SM]   [1] Line 13, C:\Users\test\Dropbox\sm 1.8\test.sp::OnMapStart

[SM] Loaded plugin test.smx successfully.

 

 

 SourceMod Version Information:

    SourceMod Version: 1.9.0.6245

    SourcePawn Engine: 1.9.0.6245, jit-x86 (build 1.9.0.6245)

    SourcePawn API: v1 = 4, v2 = 12

    Compiled on: Jul 13 2018 04:50:03

    Built from: https://github.com/alliedmodders/sourcemod/commit/50b5bb19

    Build ID: 6245:50b5bb19

    http://www.sourcemod.net/

 

 

Metamod:Source version 1.10.7-dev

Built from: https://github.com/alliedmodders/metamod-source/commit/20c72b5

Build ID: 963:20c72b5

Loaded As: Valve Server Plugin

Compiled on: Jul  7 2018

Plugin interface version: 15:14

SourceHook version: 5:5

http://www.metamodsource.net/

PHP Code:


		
			
Address TheNavAreas;

Address navarea_count;



//You want to do this in OnMapStart or else after a map change you will have a bad address

public void OnMapStart()

{

    Handle hConf = LoadGameConfigFile("yourgamedata");

    

    navarea_count = GameConfGetAddress(hConf, "navarea_count");

    PrintToServer("Found \"navarea_count\" @ 0x%X", navarea_count);

    

    //TheNavAreas is nicely above navarea_count

    TheNavAreas = view_as<Address>(LoadFromAddress(navarea_count + view_as<Address>(0x4), NumberType_Int32));

    PrintToServer("Found \"TheNavAreas\" @ 0x%X", TheNavAreas);

    

    delete hConf;

}

Re: [CSGO] Doing stuff with TheNavAreas and navarea_count

Quote:

Originally Posted by 8guawong (Post 2605760)

still can't get it to work

Sooo... linux?

I've never tested Linux but try "read 17" instead of "read 18"

Re: [CSGO] Doing stuff with TheNavAreas and navarea_count

Quote:

Originally Posted by Pelipoika (Post 2605762)

Sooo... linux?

I've never tested Linux but try "read 17" instead of "read 18"

well i'm pretty sure the server is running windows....

162.251.167.84:27019 is the server in question

hostname: [BM] Zombie Riot RPG
version : 1.36.4.2 secure
os : Windows
type : community dedicated
gotv[0]: port 27219, delay 30.0s, rate 32.0

Re: [CSGO] Doing stuff with TheNavAreas and navarea_count

Quote:

Originally Posted by 8guawong (Post 2605765)

Does that happen instantly when you load the plugin?
Does that happen after a map change?
Does the map have a navmesh?