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Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
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hlsdk-portable/dlls/bot/bot_combat.cpp

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Merge original botman's bot 10 source code.
7 years ago
// botman's Half-Life bot example
//
// http://planethalflife.com/botman/
//
// bot_combat.cpp
//
#include "extdll.h"
#include "util.h"
#include "client.h"
#include "cbase.h"
#include "player.h"
#include "items.h"
#include "effects.h"
#include "weapons.h"
#include "soundent.h"
#include "gamerules.h"
#include "animation.h"
#include "bot.h"
extern int f_Observer; // flag to indicate if player is in observer mode
// weapon firing delay based on skill (min and max delay for each weapon)
float primary_fire_delay[WEAPON_SNARK+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_SNARK+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}}
};
ammo_check_t ammo_check[] = {
{"ammo_glockclip", "9mm", _9MM_MAX_CARRY},
{"ammo_9mmclip", "9mm", _9MM_MAX_CARRY},
{"ammo_9mmAR", "9mm", _9MM_MAX_CARRY},
{"ammo_9mmbox", "9mm", _9MM_MAX_CARRY},
{"ammo_mp5clip", "9mm", _9MM_MAX_CARRY},
{"ammo_chainboxclip", "9mm", _9MM_MAX_CARRY},
{"ammo_mp5grenades", "ARgrenades", M203_GRENADE_MAX_CARRY},
{"ammo_ARgrenades", "ARgrenades", M203_GRENADE_MAX_CARRY},
{"ammo_buckshot", "buckshot", BUCKSHOT_MAX_CARRY},
{"ammo_crossbow", "bolts", BOLT_MAX_CARRY},
{"ammo_357", "357", _357_MAX_CARRY},
{"ammo_rpgclip", "rockets", ROCKET_MAX_CARRY},
{"ammo_egonclip", "uranium", URANIUM_MAX_CARRY},
{"ammo_gaussclip", "uranium", URANIUM_MAX_CARRY},
{"", 0, 0}};
// sounds for Bot taunting after a kill...
char barney_taunt[][30] = { BA_TNT1, BA_TNT2, BA_TNT3, BA_TNT4, BA_TNT5 };
char scientist_taunt[][30] = { SC_TNT1, SC_TNT2, SC_TNT3, SC_TNT4, SC_TNT5 };
CBaseEntity * CBot::BotFindEnemy( void )
{
Vector vecEnd;
static BOOL flag=TRUE;
char sound[40]; // for taunting sounds
if (pBotEnemy != NULL) // does the bot already have an enemy?
{
vecEnd = pBotEnemy->EyePosition();
// if the enemy is dead or has switched to botcam mode...
if (!pBotEnemy->IsAlive() || (pBotEnemy->pev->effects & EF_NODRAW))
{
if (!pBotEnemy->IsAlive()) // is the enemy dead?, assume bot killed it
{
// the enemy is dead, jump for joy about 10% of the time
if (RANDOM_LONG(1, 100) <= 10)
pev->button |= IN_JUMP;
// check if this player is not a bot (i.e. not fake client)...
if (pBotEnemy->IsNetClient() && !IS_DEDICATED_SERVER())
{
// speak taunt sounds about 10% of the time
if (RANDOM_LONG(1, 100) <= 10)
{
if (bot_model == MODEL_BARNEY)
strcpy( sound, barney_taunt[RANDOM_LONG(0,4)] );
else if (bot_model == MODEL_SCIENTIST)
strcpy( sound, scientist_taunt[RANDOM_LONG(0,4)] );
EMIT_SOUND(ENT(pBotEnemy->pev), CHAN_VOICE, sound,
RANDOM_FLOAT(0.9, 1.0), ATTN_NORM);
}
}
}
// don't have an enemy anymore so null out the pointer...
pBotEnemy = NULL;
}
else if (FInViewCone( &vecEnd ) && FVisible( vecEnd ))
{
// if enemy is still visible and in field of view, keep it
// face the enemy
Vector v_enemy = pBotEnemy->pev->origin - pev->origin;
Vector bot_angles = UTIL_VecToAngles( v_enemy );
pev->ideal_yaw = bot_angles.y;
// check for wrap around of angle...
if (pev->ideal_yaw > 180)
pev->ideal_yaw -= 360;
if (pev->ideal_yaw < -180)
pev->ideal_yaw += 360;
return (pBotEnemy);
}
}
int i;
float nearestdistance = 1000;
CBaseEntity *pNewEnemy = NULL;
// search the world for players...
for (i = 1; i <= gpGlobals->maxClients; i++)
{
CBaseEntity *pPlayer = UTIL_PlayerByIndex( i );
// skip invalid players and skip self (i.e. this bot)
if ((!pPlayer) || (pPlayer == this))
continue;
// skip this player if not alive (i.e. dead or dying)
if (pPlayer->pev->deadflag != DEAD_NO)
continue;
// skip players that are not bots in observer mode...
if (pPlayer->IsNetClient() && f_Observer)
continue;
// skip players that are in botcam mode...
if (pPlayer->pev->effects & EF_NODRAW)
continue;
// BigGuy - START
// is team play enabled?
if (g_pGameRules->IsTeamplay())
{
// don't target your teammates if team names match...
if (UTIL_TeamsMatch(g_pGameRules->GetTeamID(this),
g_pGameRules->GetTeamID(pPlayer)))
continue;
}
// BigGuy - END
vecEnd = pPlayer->EyePosition();
// see if bot can see the player...
if (FInViewCone( &vecEnd ) && FVisible( vecEnd ))
{
float distance = (pPlayer->pev->origin - pev->origin).Length();
if (distance < nearestdistance)
{
nearestdistance = distance;
pNewEnemy = pPlayer;
pBotUser = NULL; // don't follow user when enemy found
}
}
}
if (pNewEnemy)
{
// face the enemy
Vector v_enemy = pNewEnemy->pev->origin - pev->origin;
Vector bot_angles = UTIL_VecToAngles( v_enemy );
pev->ideal_yaw = bot_angles.y;
// check for wrap around of angle...
if (pev->ideal_yaw > 180)
pev->ideal_yaw -= 360;
if (pev->ideal_yaw < -180)
pev->ideal_yaw += 360;
}
return (pNewEnemy);
}
Vector CBot::BotBodyTarget( CBaseEntity *pBotEnemy )
{
Vector target;
float f_distance;
float f_scale;
int d_x, d_y, d_z;
f_distance = (pBotEnemy->pev->origin - pev->origin).Length();
if (f_distance > 1000)
f_scale = 1.0;
else if (f_distance > 100)
f_scale = f_distance / 1000.0;
else
f_scale = 0.1;
switch (bot_skill)
{
case 0:
// VERY GOOD, same as from CBasePlayer::BodyTarget (in player.h)
target = pBotEnemy->Center() + pBotEnemy->pev->view_ofs * RANDOM_FLOAT( 0.5, 1.1 );
d_x = 0; // no offset
d_y = 0;
d_z = 0;
break;
case 1:
// GOOD, offset a little for x, y, and z
target = pBotEnemy->Center() + pBotEnemy->pev->view_ofs;
d_x = RANDOM_FLOAT(-5, 5) * f_scale;
d_y = RANDOM_FLOAT(-5, 5) * f_scale;
d_z = RANDOM_FLOAT(-9, 9) * f_scale;
break;
case 2:
// FAIR, offset somewhat for x, y, and z
target = pBotEnemy->Center() + pBotEnemy->pev->view_ofs;
d_x = RANDOM_FLOAT(-9, 9) * f_scale;
d_y = RANDOM_FLOAT(-9, 9) * f_scale;
d_z = RANDOM_FLOAT(-15, 15) * f_scale;
break;
case 3:
// POOR, offset for x, y, and z
target = pBotEnemy->Center() + pBotEnemy->pev->view_ofs;
d_x = RANDOM_FLOAT(-16, 16) * f_scale;
d_y = RANDOM_FLOAT(-16, 16) * f_scale;
d_z = RANDOM_FLOAT(-20, 20) * f_scale;
break;
case 4:
// BAD, offset lots for x, y, and z
target = pBotEnemy->Center() + pBotEnemy->pev->view_ofs;
d_x = RANDOM_FLOAT(-20, 20) * f_scale;
d_y = RANDOM_FLOAT(-20, 20) * f_scale;
d_z = RANDOM_FLOAT(-27, 27) * f_scale;
break;
}
target = target + Vector(d_x, d_y, d_z);
return target;
}
void CBot::BotWeaponInventory( void )
{
int i;
// initialize the elements of the weapons arrays...
for (i = 0; i < MAX_WEAPONS; i++)
{
weapon_ptr[i] = NULL;
primary_ammo[i] = 0;
secondary_ammo[i] = 0;
}
// find out which weapons the bot is carrying...
for (i = 0; i < MAX_ITEM_TYPES; i++)
{
CBasePlayerItem *pItem = NULL;
if (m_rgpPlayerItems[i])
{
pItem = m_rgpPlayerItems[i];
while (pItem)
{
weapon_ptr[pItem->m_iId] = pItem; // store pointer to item
pItem = pItem->m_pNext;
}
}
}
// find out how much ammo of each type the bot is carrying...
for (i = 0; i < MAX_AMMO_SLOTS; i++)
{
if (!CBasePlayerItem::AmmoInfoArray[i].pszName)
continue;
if (strcmp("9mm", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
{
primary_ammo[WEAPON_GLOCK] = m_rgAmmo[i];
primary_ammo[WEAPON_MP5] = m_rgAmmo[i];
}
else if (strcmp("357", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
{
primary_ammo[WEAPON_PYTHON] = m_rgAmmo[i];
}
else if (strcmp("ARgrenades", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
secondary_ammo[WEAPON_MP5] = m_rgAmmo[i];
else if (strcmp("bolts", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
{
primary_ammo[WEAPON_CROSSBOW] = m_rgAmmo[i];
}
else if (stricmp("buckshot", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
{
primary_ammo[WEAPON_SHOTGUN] = m_rgAmmo[i];
}
else if (stricmp("rockets", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
primary_ammo[WEAPON_RPG] = m_rgAmmo[i];
else if (strcmp("uranium", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
{
primary_ammo[WEAPON_GAUSS] = m_rgAmmo[i];
primary_ammo[WEAPON_EGON] = m_rgAmmo[i];
}
else if (stricmp("Hornets", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
primary_ammo[WEAPON_HORNETGUN] = m_rgAmmo[i];
else if (stricmp("Hand Grenade", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
primary_ammo[WEAPON_HANDGRENADE] = m_rgAmmo[i];
else if (stricmp("Trip Mine", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
primary_ammo[WEAPON_TRIPMINE] = m_rgAmmo[i];
else if (stricmp("Satchel Charge", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
primary_ammo[WEAPON_SATCHEL] = m_rgAmmo[i];
else if (stricmp("Snarks", CBasePlayerItem::AmmoInfoArray[i].pszName) == 0)
primary_ammo[WEAPON_SNARK] = m_rgAmmo[i];
}
}
// specifing a weapon_choice allows you to choose the weapon the bot will
// use (assuming enough ammo exists for that weapon)
// BotFireWeapon will return TRUE if weapon was fired, FALSE otherwise
// primary is used to indicate whether you want primary or secondary fire
// if you have specified a weapon using weapon_choice
BOOL CBot::BotFireWeapon( Vector v_enemy_origin, int weapon_choice, BOOL primary )
{
CBasePlayerItem *new_weapon;
BOOL enemy_below;
// is it time to check weapons inventory yet?
if (f_weapon_inventory_time <= gpGlobals->time)
{
// check weapon and ammo inventory then update check time...
BotWeaponInventory();
f_weapon_inventory_time = gpGlobals->time + 1.0;
}
Vector v_enemy = v_enemy_origin - GetGunPosition( );
float distance = v_enemy.Length(); // how far away is the enemy?
// is enemy at least 45 units below bot? (for handgrenades and snarks)
if (v_enemy_origin.z < (pev->origin.z - 45))
enemy_below = TRUE;
else
enemy_below = FALSE;
// if bot is carrying the crowbar...
if (pev->weapons & (1<<WEAPON_CROWBAR))
{
// if close to enemy, and skill level is 1, 2 or 3, use the crowbar
if (((distance <= 40) && (bot_skill <= 2) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_CROWBAR))
{
new_weapon = weapon_ptr[WEAPON_CROWBAR];
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_crowbar"); // select the crowbar
pev->button |= IN_ATTACK; // use primary attack (whack! whack!)
// set next time to "shoot"
f_shoot_time = gpGlobals->time + 0.3 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_CROWBAR][bot_skill][0],
primary_fire_delay[WEAPON_CROWBAR][bot_skill][1]);
return TRUE;
}
}
// if bot is carrying any hand grenades and enemy is below bot...
if ((pev->weapons & (1<<WEAPON_HANDGRENADE)) && (enemy_below))
{
long use_grenade = RANDOM_LONG(1,100);
// use hand grenades about 30% of the time...
if (((distance > 250) && (distance < 750) &&
(weapon_choice == 0) && (use_grenade <= 30)) ||
(weapon_choice == WEAPON_HANDGRENADE))
{
// BigGuy - START
new_weapon = weapon_ptr[WEAPON_HANDGRENADE];
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_handgrenade"); // select the hand grenades
pev->button |= IN_ATTACK; // use primary attack (boom!)
// set next time to "shoot"
f_shoot_time = gpGlobals->time + 0.1 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_HANDGRENADE][bot_skill][0],
primary_fire_delay[WEAPON_HANDGRENADE][bot_skill][1]);
return TRUE;
// BigGuy - END
}
}
// if bot is carrying any snarks (can't use underwater) and enemy is below bot...
if ((pev->weapons & (1<<WEAPON_SNARK)) && (pev->waterlevel != 3) &&
(enemy_below))
{
long use_snark = RANDOM_LONG(1,100);
// use snarks about 50% of the time...
if (((distance > 150) && (distance < 500) &&
(weapon_choice == 0) && (use_snark <= 50)) ||
(weapon_choice == WEAPON_SNARK))
{
// BigGuy - START
new_weapon = weapon_ptr[WEAPON_SNARK];
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_snark"); // select the "squeak grenades"
pev->button |= IN_ATTACK; // use primary attack (eek! eek!)
// set next time to "shoot"
f_shoot_time = gpGlobals->time + 0.1 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_SNARK][bot_skill][0],
primary_fire_delay[WEAPON_SNARK][bot_skill][1]);
return TRUE;
// BigGuy - END
}
}
// if the bot is carrying the egon gun (can't use underwater)...
if ((pev->weapons & (1<<WEAPON_EGON)) && (pev->waterlevel != 3))
{
if ((weapon_choice == 0) || (weapon_choice == WEAPON_EGON))
{
new_weapon = weapon_ptr[WEAPON_EGON];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_EGON] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_egon"); // select the egon gun
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time;
return TRUE;
}
}
}
// if the bot is carrying the gauss gun (can't use underwater)...
if ((pev->weapons & (1<<WEAPON_GAUSS)) && (pev->waterlevel != 3))
{
if ((weapon_choice == 0) || (weapon_choice == WEAPON_GAUSS))
{
new_weapon = weapon_ptr[WEAPON_GAUSS];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_GAUSS] > 1)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_gauss"); // select the gauss gun
long use_secondary = RANDOM_LONG(1,100);
// are we charging the gauss gun?
if (f_fire_gauss > 0)
{
// is it time to fire the charged gauss gun?
if (f_fire_gauss >= gpGlobals->time)
{
// we DON'T set pev->button here to release the secondary
// fire button which will fire the charged gauss gun
f_fire_gauss = -1; // -1 means not charging gauss gun
// set next time to shoot
f_shoot_time = gpGlobals->time + 1.0 +
RANDOM_FLOAT(secondary_fire_delay[WEAPON_GAUSS][bot_skill][0],
secondary_fire_delay[WEAPON_GAUSS][bot_skill][1]);
}
else
{
pev->button |= IN_ATTACK2; // charge the gauss gun
f_shoot_time = gpGlobals->time; // keep charging
}
}
else if ((use_secondary <= 20) &&
(primary_ammo[WEAPON_GAUSS] >= 10))
{
// release secondary fire in 0.5 seconds...
f_fire_gauss = gpGlobals->time + 0.5;
pev->button |= IN_ATTACK2; // charge the gauss gun
f_shoot_time = gpGlobals->time; // keep charging
}
else
{
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.2 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_GAUSS][bot_skill][0],
primary_fire_delay[WEAPON_GAUSS][bot_skill][1]);
}
return TRUE;
}
}
}
// if the bot is carrying the shotgun (can't use underwater)...
if ((pev->weapons & (1<<WEAPON_SHOTGUN)) && (pev->waterlevel != 3))
{
// if close enough for good shotgun blasts...
if (((distance > 30) && (distance < 150) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_SHOTGUN))
{
new_weapon = weapon_ptr[WEAPON_SHOTGUN];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_SHOTGUN] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_shotgun"); // select the shotgun
long use_secondary = RANDOM_LONG(1,100);
// use secondary attack about 30% of the time
if ((use_secondary <= 30) && (primary_ammo[WEAPON_SHOTGUN] >= 2))
{
// BigGuy - START
pev->button |= IN_ATTACK2; // use secondary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 1.5 +
RANDOM_FLOAT(secondary_fire_delay[WEAPON_SHOTGUN][bot_skill][0],
secondary_fire_delay[WEAPON_SHOTGUN][bot_skill][1]);
}
// BigGuy - END
else
{
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.75 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_SHOTGUN][bot_skill][0],
primary_fire_delay[WEAPON_SHOTGUN][bot_skill][1]);
}
return TRUE;
}
}
}
// if the bot is carrying the 357/PYTHON, (can't use underwater)...
if ((pev->weapons & (1<<WEAPON_PYTHON)) && (pev->waterlevel != 3))
{
// if close enough for 357 shot...
if (((distance > 30) && (distance < 700) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_PYTHON))
{
new_weapon = weapon_ptr[WEAPON_PYTHON];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_PYTHON] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_357"); // select the 357 python
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.75 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_PYTHON][bot_skill][0],
primary_fire_delay[WEAPON_PYTHON][bot_skill][1]);
return TRUE;
}
}
}
// if the bot is carrying the hornet gun...
if (pev->weapons & (1<<WEAPON_HORNETGUN))
{
// if close enough for hornet gun...
if (((distance > 30) && (distance < 1000) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_HORNETGUN))
{
new_weapon = weapon_ptr[WEAPON_HORNETGUN];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_HORNETGUN] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_hornetgun"); // select the hornet gun
long use_secondary = RANDOM_LONG(1,100);
// use secondary attack about 50% of the time (if fully reloaded)
if ((use_secondary <= 50) &&
(primary_ammo[WEAPON_HORNETGUN] >= HORNET_MAX_CARRY))
{
// BigGuy - START
pev->button |= IN_ATTACK2; // use secondary attack (buzz! buzz!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.1 +
RANDOM_FLOAT(secondary_fire_delay[WEAPON_HORNETGUN][bot_skill][0],
secondary_fire_delay[WEAPON_HORNETGUN][bot_skill][1]);
// BigGuy - END
}
else
{
pev->button |= IN_ATTACK; // use primary attack (buzz! buzz!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.25 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_HORNETGUN][bot_skill][0],
primary_fire_delay[WEAPON_HORNETGUN][bot_skill][1]);
}
return TRUE;
}
}
}
// if the bot is carrying the MP5 (can't use underwater)...
if ((pev->weapons & (1<<WEAPON_MP5)) && (pev->waterlevel != 3))
{
long use_secondary = RANDOM_LONG(1,100);
// use secondary attack about 10% of the time...
if (((distance > 300) && (distance < 600) &&
(weapon_choice == 0) && (use_secondary <= 10)) ||
((weapon_choice == WEAPON_MP5) && (primary == FALSE)))
{
// at some point we need to fire upwards in the air slightly
// for long distance kills. for right now, just fire the
// grenade at the poor sucker.
// BigGuy - START
new_weapon = weapon_ptr[WEAPON_MP5];
// check if the bot has any ammo left for this weapon...
if (secondary_ammo[WEAPON_MP5] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_9mmAR"); // select the 9mmAR (MP5)
pev->button |= IN_ATTACK2; // use secodnary attack (boom!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 1.0 +
RANDOM_FLOAT(secondary_fire_delay[WEAPON_MP5][bot_skill][0],
secondary_fire_delay[WEAPON_MP5][bot_skill][1]);
return TRUE;
}
// BigGuy - END
}
// if close enough for good MP5 shot...
if (((distance < 250) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_MP5))
{
new_weapon = weapon_ptr[WEAPON_MP5];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_MP5] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_9mmAR"); // select the 9mmAR (MP5)
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.1 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_MP5][bot_skill][0],
primary_fire_delay[WEAPON_MP5][bot_skill][1]);
return TRUE;
}
}
}
// if the bot is carrying the crossbow...
if (pev->weapons & (1<<WEAPON_CROSSBOW))
{
// if bot is not too close for crossbow and not too far...
if (((distance > 100) && (distance < 1000) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_CROSSBOW))
{
new_weapon = weapon_ptr[WEAPON_CROSSBOW];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_CROSSBOW] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_crossbow"); // select the crossbow
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.75 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_CROSSBOW][bot_skill][0],
primary_fire_delay[WEAPON_CROSSBOW][bot_skill][1]);
return TRUE;
}
}
}
// if the bot is carrying the RPG...
if (pev->weapons & (1<<WEAPON_RPG))
{
// don't use the RPG unless the enemy is pretty far away...
if (((distance > 300) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_RPG))
{
new_weapon = weapon_ptr[WEAPON_RPG];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_RPG] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_rpg"); // select the RPG rocket launcher
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 1.5 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_RPG][bot_skill][0],
primary_fire_delay[WEAPON_RPG][bot_skill][1]);
return TRUE;
}
}
}
// if the bot is carrying the 9mm glock...
if (pev->weapons & (1<<WEAPON_GLOCK))
{
// if nothing else was selected, try the good ol' 9mm glock...
if (((distance < 1200) && (weapon_choice == 0)) ||
(weapon_choice == WEAPON_GLOCK))
{
new_weapon = weapon_ptr[WEAPON_GLOCK];
// check if the bot has any ammo left for this weapon...
if (primary_ammo[WEAPON_GLOCK] > 0)
{
// check if the bot isn't already using this item...
if (m_pActiveItem != new_weapon)
SelectItem("weapon_9mmhandgun"); // select the trusty 9mm glock
long use_secondary = RANDOM_LONG(1,100);
// use secondary attack about 30% of the time
if (use_secondary <= 30)
{
// BigGuy - START
pev->button |= IN_ATTACK2; // use secondary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.2 +
RANDOM_FLOAT(secondary_fire_delay[WEAPON_GLOCK][bot_skill][0],
secondary_fire_delay[WEAPON_GLOCK][bot_skill][1]);
// BigGuy - END
}
else
{
pev->button |= IN_ATTACK; // use primary attack (bang! bang!)
// set next time to shoot
f_shoot_time = gpGlobals->time + 0.3 +
RANDOM_FLOAT(primary_fire_delay[WEAPON_GLOCK][bot_skill][0],
primary_fire_delay[WEAPON_GLOCK][bot_skill][1]);
}
return TRUE;
}
}
}
// didn't have any available weapons or ammo, return FALSE
return FALSE;
}
void CBot::BotShootAtEnemy( void )
{
float f_distance;
// aim for the head and/or body
Vector v_enemy = BotBodyTarget( pBotEnemy ) - GetGunPosition();
pev->v_angle = UTIL_VecToAngles( v_enemy );
pev->angles.x = 0;
pev->angles.y = pev->v_angle.y;
pev->angles.z = 0;
pev->ideal_yaw = pev->v_angle.y;
// check for wrap around of angle...
if (pev->ideal_yaw > 180)
pev->ideal_yaw -= 360;
if (pev->ideal_yaw < -180)
pev->ideal_yaw += 360;
pev->v_angle.x = -pev->v_angle.x; //adjust pitch to point gun
// is it time to shoot yet?
if (f_shoot_time <= gpGlobals->time)
{
// select the best weapon to use at this distance and fire...
BotFireWeapon( pBotEnemy->pev->origin );
}
v_enemy.z = 0; // ignore z component (up & down)
f_distance = v_enemy.Length(); // how far away is the enemy scum?
if (f_distance > 200) // run if distance to enemy is far
f_move_speed = f_max_speed;
else if (f_distance > 20) // walk if distance is closer
f_move_speed = f_max_speed / 2;
else // don't move if close enough
f_move_speed = 0.0;
}