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The Storm

05-07-2005 11:16

How to integrate bot in to the game dll ?

Ok I now have a new little project. I start to make a bot for http://www.sandsofwar.net/
I get the source code of Sands of War and I think it will be better to integrate the bot in to the sow.dll file. I started from HPB bot teamplate 4 (the hook dll version). I now want to know what stuff of the bot I don't need to compile it with the sow.dll file.

P.S I will work on both SoW bot and E[POD]bot so don't worry EPB fans. :)
Now just waiting for MarD to test the new version 5 of EPB.

Rick	05-07-2005 11:24

Re: How to integrate bot in to the game dll ?

Hah following my good advice about integrated bots eh? :) Get "Bot 10" made by botman(http://hpb-bot.bots-united.com/releases/bot10src.zip) and see what he needed to do to make it work.

Whistler

05-07-2005 13:37

Re: How to integrate bot in to the game dll ?

also check the TheFatal's HL bot framework, which is simpler but contains everything you need to get the bot work:
http://www.telefragged.com/thefatal/

The Storm

07-07-2005 17:06

Re: How to integrate bot in to the game dll ?

Ok I download bot10 by botman but now I need by some tutorial. So I get the first bot spectating in game. Now first I need by some help to get the bot to navigate weapons. So I find in bot.cpp this lines :

Code:

// weapon firing delay based on skill (min and max delay for each weapon)

float primary_fire_delay[WEAPON_TEARGASGRENADE+1][5][2] = {

   // WEAPON_NONE - NOT USED

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_CROWBAR

   {{0.0, 0.1}, {0.2, 0.3}, {0.3, 0.5}, {0.4, 0.6}, {0.6, 1.0}},

   // WEAPON_GLOCK (9mm)

   {{0.0, 0.1}, {0.1, 0.2}, {0.2, 0.3}, {0.3, 0.4}, {0.4, 0.5}},

   // WEAPON_PYTHON (357)

   {{0.0, 0.25}, {0.2, 0.5}, {0.4, 0.8}, {1.0, 1.3}, {1.5, 2.0}},

   // WEAPON_MP5 (9mmAR)

   {{0.0, 0.1}, {0.1, 0.3}, {0.3, 0.5}, {0.4, 0.6}, {0.5, 0.8}},

   // WEAPON_CHAINGUN - NOT USED

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_CROSSBOW

   {{0.0, 0.25}, {0.2, 0.4}, {0.5, 0.7}, {0.8, 1.0}, {1.0, 1.3}},

   // WEAPON_SHOTGUN

   {{0.0, 0.25}, {0.2, 0.5}, {0.4, 0.8}, {0.6, 1.2}, {0.8, 2.0}},

   // WEAPON_RPG

   {{1.0, 3.0}, {2.0, 4.0}, {3.0, 5.0}, {4.0, 6.0}, {5.0, 7.0}},

   // WEAPON_GAUSS

   {{0.0, 0.1}, {0.2, 0.3}, {0.3, 0.5}, {0.5, 0.8}, {1.0, 1.2}},

   // WEAPON_EGON

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_HORNETGUN

   {{0.0, 0.1}, {0.25, 0.4}, {0.4, 0.7}, {0.6, 1.0}, {1.0, 1.5}},

   // WEAPON_HANDGRENADE

   {{1.0, 1.4}, {1.4, 2.0}, {1.8, 2.6}, {2.0, 3.0}, {2.5, 3.8}},

   // WEAPON_TRIPMINE

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_SATCHEL

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_SNARK

   {{0.0, 0.1}, {0.1, 0.2}, {0.2, 0.5}, {0.5, 0.7}, {0.6, 1.0}},

   };



float secondary_fire_delay[WEAPON_TEARGASGRENADE+1][5][2] = {

   // WEAPON_NONE - NOT USED

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_CROWBAR - Not applicable

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_GLOCK (9mm)

   {{0.0, 0.1}, {0.0, 0.1}, {0.1, 0.2}, {0.1, 0.2}, {0.2, 0.4}},

   // WEAPON_PYTHON (357)

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_MP5 (9mmAR)

   {{0.0, 0.3}, {0.5, 0.8}, {0.7, 1.0}, {1.0, 1.6}, {1.4, 2.0}},

   // WEAPON_CHAINGUN - NOT USED

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_CROSSBOW

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_SHOTGUN

   {{0.0, 0.25}, {0.2, 0.5}, {0.4, 0.8}, {0.6, 1.2}, {0.8, 2.0}},

   // WEAPON_RPG - Not applicable

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_GAUSS

   {{0.2, 0.5}, {0.3, 0.7}, {0.5, 1.0}, {0.8, 1.5}, {1.0, 2.0}},

   // WEAPON_EGON - Not applicable

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_HORNETGUN

   {{0.0, 0.1}, {0.2, 0.3}, {0.3, 0.5}, {0.5, 0.8}, {0.7, 1.2}},

   // WEAPON_HANDGRENADE - Not applicable

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_TRIPMINE - Not applicable

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_SATCHEL

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}},

   // WEAPON_SNARK - Not applicable

   {{0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}, {0.0, 0.0}}

   };

So can someone explain me what each number doing and how I must modifi them ?

Whistler

08-07-2005 09:52

Re: How to integrate bot in to the game dll ?

these are delay times of firing weapons in the HL for different level of bots.

the weapon handling in bot number 10 is hardcoded in bot_combat.cpp, just read the source code at there

also if you want to make a good bot, I'd advise _not_ to use botman's bot number 10, just use TheFatal's minimal framework and do most of the work yourself. However if you simply want a work bot (even if it's "stupid"), bot10 is a good way with only a few changes for the mod's game rules.

The Storm

08-07-2005 11:21

Re: How to integrate bot in to the game dll ?

Whistler I don't want to make fully new bot. I just want to make a simply functional bot for this mod. I don't have enough time to start from the zero and code all by myself. However I don't see any text that explain each number for what is. Yes I know that this numbers are the fire delay but I need to know each number what do.

Whistler

08-07-2005 12:06

Re: How to integrate bot in to the game dll ?

Just read the source code :)

PHP Code:


		
			
  {{1.0, 1.4}, {1.4, 2.0}, {1.8, 2.6}, {2.0, 3.0}, {2.5, 3.8}},

  best skill          -------------->            worst skill

and the delay time is RANDOM_FLOAT(1.0, 1.4).

The Storm

08-07-2005 12:50

Re: How to integrate bot in to the game dll ?

Thanks Whistler if I have more questions I will ask again. :P

The Storm

09-07-2005 15:45

Re: How to integrate bot in to the game dll ?

I need by some help. So I have problems with getting the bot to join in game.
Here my code placed in the start of BotThink()

Code:

if (not_started)

        {

                for (int index = 1; index < gpGlobals->maxClients; index++)

                {

                        CBasePlayer *pPlayer;



                        pPlayer = (CBasePlayer*)UTIL_PlayerByIndex( index );



                        if (!pPlayer)  // if invalid then continue with next index...

                                continue;



                        if (IsAlive())

                                continue;



                        if ((create_time + 0.5 <= gpGlobals->time) && (pPlayer->pev->flags & FL_FAKECLIENT))

                        {

                            pPlayer->m_iTeam = 1;// Join Team 1

                                pPlayer->m_iNextTeam = 1;

                            pPlayer->m_iClass = 1;// Select class 1

                                pPlayer->m_iNextClass = 1;

                                pPlayer->Spawn();// Spawn the bot

                                not_started = 0;

                                create_time = gpGlobals->time;



                            g_engfuncs.pfnRunPlayerMove( edict( ), pev->v_angle, f_move_speed,

                                                                                         0, 0, pev->button, 0,

                                                                                         gpGlobals->frametime * 1000 );

                                return;

                        }

                }

        }

So after all only the first bot join in game. After I type add bot again the others bots stay spectators. If you can tell me where is the my mistake.
not_started is settet to 1 when new bot connect.
Btw I'm using bot10 by botman for integrating the bot in to the sow.dll file.

Whistler

10-07-2005 09:53

Re: How to integrate bot in to the game dll ?

well I know nothing about that MOD, but you can read the source code of the MOD to figure out how the MOD deal with joining games.

The Storm

10-07-2005 11:44

Re: How to integrate bot in to the game dll ?

Yes I know how. As you see in the source that I post. But the problem is that only the first bot select correct team and class. After I type again addbot the others bots just stay spectators.

Pierre-Marie Baty

11-07-2005 16:24

Re: How to integrate bot in to the game dll ?

Store not_started in the bot's variables, not in global scope.

The Storm

11-07-2005 23:30

Re: How to integrate bot in to the game dll ?

Yes I'm declared not_started in to the bot's variables (class CBot in bot.h). Maybe you think that this variable is global because there is not CBot:: before not_started. Well the function that I'm using the variable not_started is :
void CBot::BotThink( void ). So if you have other ideas I will be glad to hear it. :)

sPlOrYgOn

12-07-2005 01:56

Re: How to integrate bot in to the game dll ?

actually another reason one might think it's global is the inconsistent naming.. some of the variable's names use hungarian notation while others don't.

The Storm

12-07-2005 17:36

Re: How to integrate bot in to the game dll ?

Quote:

Originally Posted by sPlOrYgOn

actually another reason one might think it's global is the inconsistent naming.. some of the variable's names use hungarian notation while others don't.

I don't understand nothing from that you say. ???:(???:(???:(

The Storm

13-07-2005 19:36

Re: How to integrate bot in to the game dll ?

Ok guys this problem is now fixed. :) The bots now join on a team and select class correct. But sinse I'm very new in to the work directly with the game data in to the game dll source, I want to ask what function must I use to get the teams IDs because now the bots are shooting their teammates.

Pierre-Marie Baty

13-07-2005 20:19

Re: How to integrate bot in to the game dll ?

look directly at the bot's CBasePlayer class, most if not all games store the team ID somewhere there.

Whistler

14-07-2005 07:04

Re: How to integrate bot in to the game dll ?

"hungarian notation" is a way of naming variables invented by a Hungarian developer in Microsoft, it's attaching some letters to identify a variable's type, such as: iInteger, flFloat, szString, m_iIntMember, g_iGlobal, etc. Such variable names are widely used in Half-Life SDK source code.

also from this line of code you have posted:
pPlayer->m_iTeam = 1;// Join Team 1

the m_iTeam seems to be the team of the player.

The Storm

14-07-2005 11:27

Re: How to integrate bot in to the game dll ?

Yep after you give the team of the player you can directly spawn it without any problmes.

Zacker

18-07-2005 11:33

Re: How to integrate bot in to the game dll ?

Ey BU guys, we got a problem. The Storm is having problems with implenting the HPB bot template 4 into the source code. In order to get it to work, he has to use the old and crappy bot 10, which sucks.

Does any of you know how to get the newest HPB bot code integrated into the SoW source?

The Storm

18-07-2005 12:08

Re: How to integrate bot in to the game dll ?

Zacker I don't need by HPBbot #4 because just there is no any AI for SoW. You must understand that. The one thing that I need is the waypoint system. Thats all. The other things I must code by myself but I don't think that I can code a fully new waypoint system so that is the reason that I want to get the HPBbot waypoint system.

Zacker

18-07-2005 15:51

Re: How to integrate bot in to the game dll ?

I would also like to hear if there is nothing except the waypoint system from Bot 10 to HPB bot template 4 which we can use?

The Storm

18-07-2005 21:27

Re: How to integrate bot in to the game dll ?

Maybe there is something but is very limited. I don't know. I will check out.

Whistler

19-07-2005 09:26

Re: How to integrate bot in to the game dll ?

http://sourceforge.net/projects/rhobot

The Storm

19-07-2005 11:28

Re: How to integrate bot in to the game dll ?

Thanks a lot Whistler. :) I will try to include this bot in SoW maybe tomorow. One question because today I'm very busy. I look only basic in the code and I think that this bot use a nav mesh. Is this true ?

Zacker

19-07-2005 12:08

Re: How to integrate bot in to the game dll ?

Yes it is, .nav files are generated at each successfull automatic map change.

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