ai_chat.c

quakeIII源码这个不用我多说吧

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//

/*****************************************************************************
 * name:		ai_chat.c
 *
 * desc:		Quake3 bot AI
 *
 * $Archive: /MissionPack/code/game/ai_chat.c $
 *
 *****************************************************************************/

#include "g_local.h"
#include "botlib.h"
#include "be_aas.h"
#include "be_ea.h"
#include "be_ai_char.h"
#include "be_ai_chat.h"
#include "be_ai_gen.h"
#include "be_ai_goal.h"
#include "be_ai_move.h"
#include "be_ai_weap.h"
//
#include "ai_main.h"
#include "ai_dmq3.h"
#include "ai_chat.h"
#include "ai_cmd.h"
#include "ai_dmnet.h"
//
#include "chars.h"				//characteristics
#include "inv.h"				//indexes into the inventory
#include "syn.h"				//synonyms
#include "match.h"				//string matching types and vars

// for the voice chats
#ifdef MISSIONPACK // bk001205
#include "../../ui/menudef.h"
#endif

#define TIME_BETWEENCHATTING	25


/*
==================
BotNumActivePlayers
==================
*/
int BotNumActivePlayers(void) {
	int i, num;
	char buf[MAX_INFO_STRING];
	static int maxclients;

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");

	num = 0;
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		//if no config string or no name
		if (!strlen(buf) || !strlen(Info_ValueForKey(buf, "n"))) continue;
		//skip spectators
		if (atoi(Info_ValueForKey(buf, "t")) == TEAM_SPECTATOR) continue;
		//
		num++;
	}
	return num;
}

/*
==================
BotIsFirstInRankings
==================
*/
int BotIsFirstInRankings(bot_state_t *bs) {
	int i, score;
	char buf[MAX_INFO_STRING];
	static int maxclients;
	playerState_t ps;

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");

	score = bs->cur_ps.persistant[PERS_SCORE];
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		//if no config string or no name
		if (!strlen(buf) || !strlen(Info_ValueForKey(buf, "n"))) continue;
		//skip spectators
		if (atoi(Info_ValueForKey(buf, "t")) == TEAM_SPECTATOR) continue;
		//
		BotAI_GetClientState(i, &ps);
		if (score < ps.persistant[PERS_SCORE]) return qfalse;
	}
	return qtrue;
}

/*
==================
BotIsLastInRankings
==================
*/
int BotIsLastInRankings(bot_state_t *bs) {
	int i, score;
	char buf[MAX_INFO_STRING];
	static int maxclients;
	playerState_t ps;

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");

	score = bs->cur_ps.persistant[PERS_SCORE];
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		//if no config string or no name
		if (!strlen(buf) || !strlen(Info_ValueForKey(buf, "n"))) continue;
		//skip spectators
		if (atoi(Info_ValueForKey(buf, "t")) == TEAM_SPECTATOR) continue;
		//
		BotAI_GetClientState(i, &ps);
		if (score > ps.persistant[PERS_SCORE]) return qfalse;
	}
	return qtrue;
}

/*
==================
BotFirstClientInRankings
==================
*/
char *BotFirstClientInRankings(void) {
	int i, bestscore, bestclient;
	char buf[MAX_INFO_STRING];
	static char name[32];
	static int maxclients;
	playerState_t ps;

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");

	bestscore = -999999;
	bestclient = 0;
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		//if no config string or no name
		if (!strlen(buf) || !strlen(Info_ValueForKey(buf, "n"))) continue;
		//skip spectators
		if (atoi(Info_ValueForKey(buf, "t")) == TEAM_SPECTATOR) continue;
		//
		BotAI_GetClientState(i, &ps);
		if (ps.persistant[PERS_SCORE] > bestscore) {
			bestscore = ps.persistant[PERS_SCORE];
			bestclient = i;
		}
	}
	EasyClientName(bestclient, name, 32);
	return name;
}

/*
==================
BotLastClientInRankings
==================
*/
char *BotLastClientInRankings(void) {
	int i, worstscore, bestclient;
	char buf[MAX_INFO_STRING];
	static char name[32];
	static int maxclients;
	playerState_t ps;

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");

	worstscore = 999999;
	bestclient = 0;
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		//if no config string or no name
		if (!strlen(buf) || !strlen(Info_ValueForKey(buf, "n"))) continue;
		//skip spectators
		if (atoi(Info_ValueForKey(buf, "t")) == TEAM_SPECTATOR) continue;
		//
		BotAI_GetClientState(i, &ps);
		if (ps.persistant[PERS_SCORE] < worstscore) {
			worstscore = ps.persistant[PERS_SCORE];
			bestclient = i;
		}
	}
	EasyClientName(bestclient, name, 32);
	return name;
}

/*
==================
BotRandomOpponentName
==================
*/
char *BotRandomOpponentName(bot_state_t *bs) {
	int i, count;
	char buf[MAX_INFO_STRING];
	int opponents[MAX_CLIENTS], numopponents;
	static int maxclients;
	static char name[32];

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");

	numopponents = 0;
	opponents[0] = 0;
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		if (i == bs->client) continue;
		//
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		//if no config string or no name
		if (!strlen(buf) || !strlen(Info_ValueForKey(buf, "n"))) continue;
		//skip spectators
		if (atoi(Info_ValueForKey(buf, "t")) == TEAM_SPECTATOR) continue;
		//skip team mates
		if (BotSameTeam(bs, i)) continue;
		//
		opponents[numopponents] = i;
		numopponents++;
	}
	count = random() * numopponents;
	for (i = 0; i < numopponents; i++) {
		count--;
		if (count <= 0) {
			EasyClientName(opponents[i], name, sizeof(name));
			return name;
		}
	}
	EasyClientName(opponents[0], name, sizeof(name));
	return name;
}

/*
==================
BotMapTitle
==================
*/

char *BotMapTitle(void) {
	char info[1024];
	static char mapname[128];

	trap_GetServerinfo(info, sizeof(info));

	strncpy(mapname, Info_ValueForKey( info, "mapname" ), sizeof(mapname)-1);
	mapname[sizeof(mapname)-1] = '\0';

	return mapname;
}


/*
==================
BotWeaponNameForMeansOfDeath
==================
*/

char *BotWeaponNameForMeansOfDeath(int mod) {
	switch(mod) {
		case MOD_SHOTGUN: return "Shotgun";
		case MOD_GAUNTLET: return "Gauntlet";
		case MOD_MACHINEGUN: return "Machinegun";
		case MOD_GRENADE:
		case MOD_GRENADE_SPLASH: return "Grenade Launcher";
		case MOD_ROCKET:
		case MOD_ROCKET_SPLASH: return "Rocket Launcher";
		case MOD_PLASMA:
		case MOD_PLASMA_SPLASH: return "Plasmagun";
		case MOD_RAILGUN: return "Railgun";
		case MOD_LIGHTNING: return "Lightning Gun";
		case MOD_BFG:
		case MOD_BFG_SPLASH: return "BFG10K";
#ifdef MISSIONPACK
		case MOD_NAIL: return "Nailgun";
		case MOD_CHAINGUN: return "Chaingun";
		case MOD_PROXIMITY_MINE: return "Proximity Launcher";
		case MOD_KAMIKAZE: return "Kamikaze";
		case MOD_JUICED: return "Prox mine";
#endif
		case MOD_GRAPPLE: return "Grapple";
		default: return "[unknown weapon]";
	}
}

/*
==================
BotRandomWeaponName
==================
*/
char *BotRandomWeaponName(void) {
	int rnd;

#ifdef MISSIONPACK
	rnd = random() * 11.9;
#else
	rnd = random() * 8.9;
#endif
	switch(rnd) {
		case 0: return "Gauntlet";
		case 1: return "Shotgun";
		case 2: return "Machinegun";
		case 3: return "Grenade Launcher";
		case 4: return "Rocket Launcher";
		case 5: return "Plasmagun";
		case 6: return "Railgun";
		case 7: return "Lightning Gun";
#ifdef MISSIONPACK
		case 8: return "Nailgun";
		case 9: return "Chaingun";
		case 10: return "Proximity Launcher";
#endif
		default: return "BFG10K";
	}
}

/*
==================
BotVisibleEnemies
==================
*/
int BotVisibleEnemies(bot_state_t *bs) {
	float vis;
	int i;
	aas_entityinfo_t entinfo;

	for (i = 0; i < MAX_CLIENTS; i++) {

		if (i == bs->client) continue;
		//
		BotEntityInfo(i, &entinfo);
		//
		if (!entinfo.valid) continue;
		//if the enemy isn't dead and the enemy isn't the bot self
		if (EntityIsDead(&entinfo) || entinfo.number == bs->entitynum) continue;
		//if the enemy is invisible and not shooting
		if (EntityIsInvisible(&entinfo) && !EntityIsShooting(&entinfo)) {
			continue;
		}
		//if on the same team
		if (BotSameTeam(bs, i)) continue;
		//check if the enemy is visible
		vis = BotEntityVisible(bs->entitynum, bs->eye, bs->viewangles, 360, i);
		if (vis > 0) return qtrue;
	}
	return qfalse;
}

/*
==================
BotValidChatPosition
==================
*/
int BotValidChatPosition(bot_state_t *bs) {
	vec3_t point, start, end, mins, maxs;
	bsp_trace_t trace;

	//if the bot is dead all positions are valid
	if (BotIsDead(bs)) return qtrue;
	//never start chatting with a powerup
	if (bs->inventory[INVENTORY_QUAD] ||
		bs->inventory[INVENTORY_HASTE] ||
		bs->inventory[INVENTORY_INVISIBILITY] ||
		bs->inventory[INVENTORY_REGEN] ||
		bs->inventory[INVENTORY_FLIGHT]) return qfalse;
	//must be on the ground
	//if (bs->cur_ps.groundEntityNum != ENTITYNUM_NONE) return qfalse;
	//do not chat if in lava or slime
	VectorCopy(bs->origin, point);
	point[2] -= 24;
	if (trap_PointContents(point,bs->entitynum) & (CONTENTS_LAVA|CONTENTS_SLIME)) return qfalse;
	//do not chat if under water
	VectorCopy(bs->origin, point);
	point[2] += 32;
	if (trap_PointContents(point,bs->entitynum) & MASK_WATER) return qfalse;
	//must be standing on the world entity
	VectorCopy(bs->origin, start);
	VectorCopy(bs->origin, end);
	start[2] += 1;
	end[2] -= 10;
	trap_AAS_PresenceTypeBoundingBox(PRESENCE_CROUCH, mins, maxs);
	BotAI_Trace(&trace, start, mins, maxs, end, bs->client, MASK_SOLID);
	if (trace.ent != ENTITYNUM_WORLD) return qfalse;
	//the bot is in a position where it can chat
	return qtrue;
}