ai_dmq3.c

quakeIII源码这个不用我多说吧

ClientSkin
==================
*/
char *ClientSkin(int client, char *skin, int size) {
	char buf[MAX_INFO_STRING];

	if (client < 0 || client >= MAX_CLIENTS) {
		BotAI_Print(PRT_ERROR, "ClientSkin: client out of range\n");
		return "[client out of range]";
	}
	trap_GetConfigstring(CS_PLAYERS+client, buf, sizeof(buf));
	strncpy(skin, Info_ValueForKey(buf, "model"), size-1);
	skin[size-1] = '\0';
	return skin;
}

/*
==================
ClientFromName
==================
*/
int ClientFromName(char *name) {
	int i;
	char buf[MAX_INFO_STRING];
	static int maxclients;

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		Q_CleanStr( buf );
		if (!Q_stricmp(Info_ValueForKey(buf, "n"), name)) return i;
	}
	return -1;
}

/*
==================
ClientOnSameTeamFromName
==================
*/
int ClientOnSameTeamFromName(bot_state_t *bs, char *name) {
	int i;
	char buf[MAX_INFO_STRING];
	static int maxclients;

	if (!maxclients)
		maxclients = trap_Cvar_VariableIntegerValue("sv_maxclients");
	for (i = 0; i < maxclients && i < MAX_CLIENTS; i++) {
		if (!BotSameTeam(bs, i))
			continue;
		trap_GetConfigstring(CS_PLAYERS+i, buf, sizeof(buf));
		Q_CleanStr( buf );
		if (!Q_stricmp(Info_ValueForKey(buf, "n"), name)) return i;
	}
	return -1;
}

/*
==================
stristr
==================
*/
char *stristr(char *str, char *charset) {
	int i;

	while(*str) {
		for (i = 0; charset[i] && str[i]; i++) {
			if (toupper(charset[i]) != toupper(str[i])) break;
		}
		if (!charset[i]) return str;
		str++;
	}
	return NULL;
}

/*
==================
EasyClientName
==================
*/
char *EasyClientName(int client, char *buf, int size) {
	int i;
	char *str1, *str2, *ptr, c;
	char name[128];

	strcpy(name, ClientName(client, name, sizeof(name)));
	for (i = 0; name[i]; i++) name[i] &= 127;
	//remove all spaces
	for (ptr = strstr(name, " "); ptr; ptr = strstr(name, " ")) {
		memmove(ptr, ptr+1, strlen(ptr+1)+1);
	}
	//check for [x] and ]x[ clan names
	str1 = strstr(name, "[");
	str2 = strstr(name, "]");
	if (str1 && str2) {
		if (str2 > str1) memmove(str1, str2+1, strlen(str2+1)+1);
		else memmove(str2, str1+1, strlen(str1+1)+1);
	}
	//remove Mr prefix
	if ((name[0] == 'm' || name[0] == 'M') &&
			(name[1] == 'r' || name[1] == 'R')) {
		memmove(name, name+2, strlen(name+2)+1);
	}
	//only allow lower case alphabet characters
	ptr = name;
	while(*ptr) {
		c = *ptr;
		if ((c >= 'a' && c <= 'z') ||
				(c >= '0' && c <= '9') || c == '_') {
			ptr++;
		}
		else if (c >= 'A' && c <= 'Z') {
			*ptr += 'a' - 'A';
			ptr++;
		}
		else {
			memmove(ptr, ptr+1, strlen(ptr + 1)+1);
		}
	}
	strncpy(buf, name, size-1);
	buf[size-1] = '\0';
	return buf;
}

/*
==================
BotSynonymContext
==================
*/
int BotSynonymContext(bot_state_t *bs) {
	int context;

	context = CONTEXT_NORMAL|CONTEXT_NEARBYITEM|CONTEXT_NAMES;
	//
	if (gametype == GT_CTF
#ifdef MISSIONPACK
		|| gametype == GT_1FCTF
#endif
		) {
		if (BotTeam(bs) == TEAM_RED) context |= CONTEXT_CTFREDTEAM;
		else context |= CONTEXT_CTFBLUETEAM;
	}
#ifdef MISSIONPACK
	else if (gametype == GT_OBELISK) {
		if (BotTeam(bs) == TEAM_RED) context |= CONTEXT_OBELISKREDTEAM;
		else context |= CONTEXT_OBELISKBLUETEAM;
	}
	else if (gametype == GT_HARVESTER) {
		if (BotTeam(bs) == TEAM_RED) context |= CONTEXT_HARVESTERREDTEAM;
		else context |= CONTEXT_HARVESTERBLUETEAM;
	}
#endif
	return context;
}

/*
==================
BotChooseWeapon
==================
*/
void BotChooseWeapon(bot_state_t *bs) {
	int newweaponnum;

	if (bs->cur_ps.weaponstate == WEAPON_RAISING ||
			bs->cur_ps.weaponstate == WEAPON_DROPPING) {
		trap_EA_SelectWeapon(bs->client, bs->weaponnum);
	}
	else {
		newweaponnum = trap_BotChooseBestFightWeapon(bs->ws, bs->inventory);
		if (bs->weaponnum != newweaponnum) bs->weaponchange_time = FloatTime();
		bs->weaponnum = newweaponnum;
		//BotAI_Print(PRT_MESSAGE, "bs->weaponnum = %d\n", bs->weaponnum);
		trap_EA_SelectWeapon(bs->client, bs->weaponnum);
	}
}

/*
==================
BotSetupForMovement
==================
*/
void BotSetupForMovement(bot_state_t *bs) {
	bot_initmove_t initmove;

	memset(&initmove, 0, sizeof(bot_initmove_t));
	VectorCopy(bs->cur_ps.origin, initmove.origin);
	VectorCopy(bs->cur_ps.velocity, initmove.velocity);
	VectorClear(initmove.viewoffset);
	initmove.viewoffset[2] += bs->cur_ps.viewheight;
	initmove.entitynum = bs->entitynum;
	initmove.client = bs->client;
	initmove.thinktime = bs->thinktime;
	//set the onground flag
	if (bs->cur_ps.groundEntityNum != ENTITYNUM_NONE) initmove.or_moveflags |= MFL_ONGROUND;
	//set the teleported flag
	if ((bs->cur_ps.pm_flags & PMF_TIME_KNOCKBACK) && (bs->cur_ps.pm_time > 0)) {
		initmove.or_moveflags |= MFL_TELEPORTED;
	}
	//set the waterjump flag
	if ((bs->cur_ps.pm_flags & PMF_TIME_WATERJUMP) && (bs->cur_ps.pm_time > 0)) {
		initmove.or_moveflags |= MFL_WATERJUMP;
	}
	//set presence type
	if (bs->cur_ps.pm_flags & PMF_DUCKED) initmove.presencetype = PRESENCE_CROUCH;
	else initmove.presencetype = PRESENCE_NORMAL;
	//
	if (bs->walker > 0.5) initmove.or_moveflags |= MFL_WALK;
	//
	VectorCopy(bs->viewangles, initmove.viewangles);
	//
	trap_BotInitMoveState(bs->ms, &initmove);
}

/*
==================
BotCheckItemPickup
==================
*/
void BotCheckItemPickup(bot_state_t *bs, int *oldinventory) {
#ifdef MISSIONPACK
	int offence, leader;

	if (gametype <= GT_TEAM)
		return;

	offence = -1;
	// go into offence if picked up the kamikaze or invulnerability
	if (!oldinventory[INVENTORY_KAMIKAZE] && bs->inventory[INVENTORY_KAMIKAZE] >= 1) {
		offence = qtrue;
	}
	if (!oldinventory[INVENTORY_INVULNERABILITY] && bs->inventory[INVENTORY_INVULNERABILITY] >= 1) {
		offence = qtrue;
	}
	// if not already wearing the kamikaze or invulnerability
	if (!bs->inventory[INVENTORY_KAMIKAZE] && !bs->inventory[INVENTORY_INVULNERABILITY]) {
		if (!oldinventory[INVENTORY_SCOUT] && bs->inventory[INVENTORY_SCOUT] >= 1) {
			offence = qtrue;
		}
		if (!oldinventory[INVENTORY_GUARD] && bs->inventory[INVENTORY_GUARD] >= 1) {
			offence = qtrue;
		}
		if (!oldinventory[INVENTORY_DOUBLER] && bs->inventory[INVENTORY_DOUBLER] >= 1) {
			offence = qfalse;
		}
		if (!oldinventory[INVENTORY_AMMOREGEN] && bs->inventory[INVENTORY_AMMOREGEN] >= 1) {
			offence = qfalse;
		}
	}

	if (offence >= 0) {
		leader = ClientFromName(bs->teamleader);
		if (offence) {
			if (!(bs->teamtaskpreference & TEAMTP_ATTACKER)) {
				// if we have a bot team leader
				if (BotTeamLeader(bs)) {
					// tell the leader we want to be on offence
					BotVoiceChat(bs, leader, VOICECHAT_WANTONOFFENSE);
					//BotAI_BotInitialChat(bs, "wantoffence", NULL);
					//trap_BotEnterChat(bs->cs, leader, CHAT_TELL);
				}
				else if (g_spSkill.integer <= 3) {
					if ( bs->ltgtype != LTG_GETFLAG &&
						 bs->ltgtype != LTG_ATTACKENEMYBASE &&
						 bs->ltgtype != LTG_HARVEST ) {
						//
						if ((gametype != GT_CTF || (bs->redflagstatus == 0 && bs->blueflagstatus == 0)) &&
							(gametype != GT_1FCTF || bs->neutralflagstatus == 0) ) {
							// tell the leader we want to be on offence
							BotVoiceChat(bs, leader, VOICECHAT_WANTONOFFENSE);
							//BotAI_BotInitialChat(bs, "wantoffence", NULL);
							//trap_BotEnterChat(bs->cs, leader, CHAT_TELL);
						}
					}
					bs->teamtaskpreference |= TEAMTP_ATTACKER;
				}
			}
			bs->teamtaskpreference &= ~TEAMTP_DEFENDER;
		}
		else {
			if (!(bs->teamtaskpreference & TEAMTP_DEFENDER)) {
				// if we have a bot team leader
				if (BotTeamLeader(bs)) {
					// tell the leader we want to be on defense
					BotVoiceChat(bs, -1, VOICECHAT_WANTONDEFENSE);
					//BotAI_BotInitialChat(bs, "wantdefence", NULL);
					//trap_BotEnterChat(bs->cs, leader, CHAT_TELL);
				}
				else if (g_spSkill.integer <= 3) {
					if ( bs->ltgtype != LTG_DEFENDKEYAREA ) {
						//
						if ((gametype != GT_CTF || (bs->redflagstatus == 0 && bs->blueflagstatus == 0)) &&
							(gametype != GT_1FCTF || bs->neutralflagstatus == 0) ) {
							// tell the leader we want to be on defense
							BotVoiceChat(bs, -1, VOICECHAT_WANTONDEFENSE);
							//BotAI_BotInitialChat(bs, "wantdefence", NULL);
							//trap_BotEnterChat(bs->cs, leader, CHAT_TELL);
						}
					}
				}
				bs->teamtaskpreference |= TEAMTP_DEFENDER;
			}
			bs->teamtaskpreference &= ~TEAMTP_ATTACKER;
		}
	}
#endif
}

/*
==================
BotUpdateInventory
==================
*/
void BotUpdateInventory(bot_state_t *bs) {
	int oldinventory[MAX_ITEMS];

	memcpy(oldinventory, bs->inventory, sizeof(oldinventory));
	//armor
	bs->inventory[INVENTORY_ARMOR] = bs->cur_ps.stats[STAT_ARMOR];
	//weapons
	bs->inventory[INVENTORY_GAUNTLET] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_GAUNTLET)) != 0;
	bs->inventory[INVENTORY_SHOTGUN] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_SHOTGUN)) != 0;
	bs->inventory[INVENTORY_MACHINEGUN] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_MACHINEGUN)) != 0;
	bs->inventory[INVENTORY_GRENADELAUNCHER] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_GRENADE_LAUNCHER)) != 0;
	bs->inventory[INVENTORY_ROCKETLAUNCHER] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_ROCKET_LAUNCHER)) != 0;
	bs->inventory[INVENTORY_LIGHTNING] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_LIGHTNING)) != 0;
	bs->inventory[INVENTORY_RAILGUN] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_RAILGUN)) != 0;
	bs->inventory[INVENTORY_PLASMAGUN] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_PLASMAGUN)) != 0;
	bs->inventory[INVENTORY_BFG10K] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_BFG)) != 0;
	bs->inventory[INVENTORY_GRAPPLINGHOOK] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_GRAPPLING_HOOK)) != 0;
#ifdef MISSIONPACK
	bs->inventory[INVENTORY_NAILGUN] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_NAILGUN)) != 0;;
	bs->inventory[INVENTORY_PROXLAUNCHER] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_PROX_LAUNCHER)) != 0;;
	bs->inventory[INVENTORY_CHAINGUN] = (bs->cur_ps.stats[STAT_WEAPONS] & (1 << WP_CHAINGUN)) != 0;;
#endif
	//ammo
	bs->inventory[INVENTORY_SHELLS] = bs->cur_ps.ammo[WP_SHOTGUN];
	bs->inventory[INVENTORY_BULLETS] = bs->cur_ps.ammo[WP_MACHINEGUN];
	bs->inventory[INVENTORY_GRENADES] = bs->cur_ps.ammo[WP_GRENADE_LAUNCHER];
	bs->inventory[INVENTORY_CELLS] = bs->cur_ps.ammo[WP_PLASMAGUN];
	bs->inventory[INVENTORY_LIGHTNINGAMMO] = bs->cur_ps.ammo[WP_LIGHTNING];
	bs->inventory[INVENTORY_ROCKETS] = bs->cur_ps.ammo[WP_ROCKET_LAUNCHER];
	bs->inventory[INVENTORY_SLUGS] = bs->cur_ps.ammo[WP_RAILGUN];
	bs->inventory[INVENTORY_BFGAMMO] = bs->cur_ps.ammo[WP_BFG];
#ifdef MISSIONPACK
	bs->inventory[INVENTORY_NAILS] = bs->cur_ps.ammo[WP_NAILGUN];
	bs->inventory[INVENTORY_MINES] = bs->cur_ps.ammo[WP_PROX_LAUNCHER];
	bs->inventory[INVENTORY_BELT] = bs->cur_ps.ammo[WP_CHAINGUN];
#endif
	//powerups
	bs->inventory[INVENTORY_HEALTH] = bs->cur_ps.stats[STAT_HEALTH];
	bs->inventory[INVENTORY_TELEPORTER] = bs->cur_ps.stats[STAT_HOLDABLE_ITEM] == MODELINDEX_TELEPORTER;
	bs->inventory[INVENTORY_MEDKIT] = bs->cur_ps.stats[STAT_HOLDABLE_ITEM] == MODELINDEX_MEDKIT;
#ifdef MISSIONPACK
	bs->inventory[INVENTORY_KAMIKAZE] = bs->cur_ps.stats[STAT_HOLDABLE_ITEM] == MODELINDEX_KAMIKAZE;
	bs->inventory[INVENTORY_PORTAL] = bs->cur_ps.stats[STAT_HOLDABLE_ITEM] == MODELINDEX_PORTAL;
	bs->inventory[INVENTORY_INVULNERABILITY] = bs->cur_ps.stats[STAT_HOLDABLE_ITEM] == MODELINDEX_INVULNERABILITY;
#endif
	bs->inventory[INVENTORY_QUAD] = bs->cur_ps.powerups[PW_QUAD] != 0;
	bs->inventory[INVENTORY_ENVIRONMENTSUIT] = bs->cur_ps.powerups[PW_BATTLESUIT] != 0;
	bs->inventory[INVENTORY_HASTE] = bs->cur_ps.powerups[PW_HASTE] != 0;
	bs->inventory[INVENTORY_INVISIBILITY] = bs->cur_ps.powerups[PW_INVIS] != 0;
	bs->inventory[INVENTORY_REGEN] = bs->cur_ps.powerups[PW_REGEN] != 0;
	bs->inventory[INVENTORY_FLIGHT] = bs->cur_ps.powerups[PW_FLIGHT] != 0;
#ifdef MISSIONPACK
	bs->inventory[INVENTORY_SCOUT] = bs->cur_ps.stats[STAT_PERSISTANT_POWERUP] == MODELINDEX_SCOUT;
	bs->inventory[INVENTORY_GUARD] = bs->cur_ps.stats[STAT_PERSISTANT_POWERUP] == MODELINDEX_GUARD;
	bs->inventory[INVENTORY_DOUBLER] = bs->cur_ps.stats[STAT_PERSISTANT_POWERUP] == MODELINDEX_DOUBLER;
	bs->inventory[INVENTORY_AMMOREGEN] = bs->cur_ps.stats[STAT_PERSISTANT_POWERUP] == MODELINDEX_AMMOREGEN;
#endif
	bs->inventory[INVENTORY_REDFLAG] = bs->cur_ps.powerups[PW_REDFLAG] != 0;
	bs->inventory[INVENTORY_BLUEFLAG] = bs->cur_ps.powerups[PW_BLUEFLAG] != 0;
#ifdef MISSIONPACK
	bs->inventory[INVENTORY_NEUTRALFLAG] = bs->cur_ps.powerups[PW_NEUTRALFLAG] != 0;
	if (BotTeam(bs) == TEAM_RED) {
		bs->inventory[INVENTORY_REDCUBE] = bs->cur_ps.generic1;
		bs->inventory[INVENTORY_BLUECUBE] = 0;
	}
	else {
		bs->inventory[INVENTORY_REDCUBE] = 0;
		bs->inventory[INVENTORY_BLUECUBE] = bs->cur_ps.generic1;
	}
#endif
	BotCheckItemPickup(bs, oldinventory);
}

/*
==================
BotUpdateBattleInventory
==================
*/
void BotUpdateBattleInventory(bot_state_t *bs, int enemy) {
	vec3_t dir;
	aas_entityinfo_t entinfo;

	BotEntityInfo(enemy, &entinfo);
	VectorSubtract(entinfo.origin, bs->origin, dir);
	bs->inventory[ENEMY_HEIGHT] = (int) dir[2];
	dir[2] = 0;
	bs->inventory[ENEMY_HORIZONTAL_DIST] = (int) VectorLength(dir);
	//FIXME: add num visible enemies and num visible team mates to the inventory
}

#ifdef MISSIONPACK
/*
==================
BotUseKamikaze
==================
*/
#define KAMIKAZE_DIST		1024

void BotUseKamikaze(bot_state_t *bs) {
	int c, teammates, enemies;
	aas_entityinfo_t entinfo;
	vec3_t dir, target;
	bot_goal_t *goal;
	bsp_trace_t trace;

	//if the bot has no kamikaze
	if (bs->inventory[INVENTORY_KAMIKAZE] <= 0)
		return;
	if (bs->kamikaze_time > FloatTime())
		return;
	bs->kamikaze_time = FloatTime() + 0.2;
	if (gametype == GT_CTF) {
		//never use kamikaze if the team flag carrier is visible
		if (BotCTFCarryingFlag(bs))
			return;
		c = BotTeamFlagCarrierVisible(bs);
		if (c >= 0) {
			BotEntityInfo(c, &entinfo);
			VectorSubtract(entinfo.origin, bs->origin, dir);
			if (VectorLengthSquared(dir) < Square(KAMIKAZE_DIST))
				return;
		}
		c = BotEnemyFlagCarrierVisible(bs);
		if (c >= 0) {
			BotEntityInfo(c, &entinfo);
			VectorSubtract(entinfo.origin, bs->origin, dir);
			if (VectorLengthSquared(dir) < Square(KAMIKAZE_DIST)) {
				trap_EA_Use(bs->client);
				return;
			}
		}
	}
	else if (gametype == GT_1FCTF) {
		//never use kamikaze if the team flag carrier is visible
		if (Bot1FCTFCarryingFlag(bs))
			return;
		c = BotTeamFlagCarrierVisible(bs);
		if (c >= 0) {
			BotEntityInfo(c, &entinfo);
			VectorSubtract(entinfo.origin, bs->origin, dir);
			if (VectorLengthSquared(dir) < Square(KAMIKAZE_DIST))
				return;
		}
		c = BotEnemyFlagCarrierVisible(bs);
		if (c >= 0) {
			BotEntityInfo(c, &entinfo);
			VectorSubtract(entinfo.origin, bs->origin, dir);
			if (VectorLengthSquared(dir) < Square(KAMIKAZE_DIST)) {
				trap_EA_Use(bs->client);
				return;
			}
		}
	}
	else if (gametype == GT_OBELISK) {
		switch(BotTeam(bs)) {