starfighter/src/alien.cpp

1714 lines
52 KiB
C++

/*
Copyright (C) 2003 Parallel Realities
Copyright (C) 2011, 2012 Guus Sliepen
Copyright (C) 2012, 2015 Julian Marchant
This program 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 3
of the License, or (at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Starfighter.h"
object alien_defs[CD_MAX];
object aliens[ALIEN_MAX];
/*
This simply pulls back an alien from the array that is
"dead" (no shield) and returns the index number so we can have
a new one.
*/
static int alien_getFreeIndex()
{
for (int i = 0 ; i < engine.maxAliens ; i++)
{
if (!aliens[i].active)
{
return i;
}
}
return -1;
}
void alien_defs_init()
{
// Dual Plasma Fighter.
alien_defs[CD_DUALFIGHTER].classDef = CD_DUALFIGHTER;
alien_defs[CD_DUALFIGHTER].AIType = AI_NORMAL;
alien_defs[CD_DUALFIGHTER].speed = 4;
alien_defs[CD_DUALFIGHTER].maxShield = 5;
alien_defs[CD_DUALFIGHTER].shield = 5;
alien_defs[CD_DUALFIGHTER].imageIndex[0] = 2;
alien_defs[CD_DUALFIGHTER].imageIndex[1] = 3;
alien_defs[CD_DUALFIGHTER].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_DUALFIGHTER].weaponType[1] = W_ROCKETS;
alien_defs[CD_DUALFIGHTER].chance[0] = 100;
alien_defs[CD_DUALFIGHTER].chance[1] = 1;
alien_defs[CD_DUALFIGHTER].collectChance = 50;
alien_defs[CD_DUALFIGHTER].collectType = P_ANYTHING;
alien_defs[CD_DUALFIGHTER].collectValue = 50;
alien_defs[CD_DUALFIGHTER].flags = FL_WEAPCO;
// Missile Boat
alien_defs[CD_MISSILEBOAT].classDef = CD_MISSILEBOAT;
alien_defs[CD_MISSILEBOAT].AIType = AI_DEFENSIVE;
alien_defs[CD_MISSILEBOAT].speed = 2;
alien_defs[CD_MISSILEBOAT].maxShield = 50;
alien_defs[CD_MISSILEBOAT].shield = 50;
alien_defs[CD_MISSILEBOAT].imageIndex[0] = 4;
alien_defs[CD_MISSILEBOAT].imageIndex[1] = 5;
alien_defs[CD_MISSILEBOAT].weaponType[0] = W_ROCKETS;
alien_defs[CD_MISSILEBOAT].weaponType[1] = W_DOUBLE_ROCKETS;
alien_defs[CD_MISSILEBOAT].chance[0] = 25;
alien_defs[CD_MISSILEBOAT].chance[1] = 4;
alien_defs[CD_MISSILEBOAT].collectChance = 25;
alien_defs[CD_MISSILEBOAT].collectType = P_ANYTHING;
alien_defs[CD_MISSILEBOAT].collectValue = 75;
alien_defs[CD_MISSILEBOAT].flags = FL_WEAPCO;
//Prototype fighter
alien_defs[CD_PROTOFIGHTER].classDef = CD_PROTOFIGHTER;
alien_defs[CD_PROTOFIGHTER].AIType = AI_DEFENSIVE;
alien_defs[CD_PROTOFIGHTER].speed = 5;
alien_defs[CD_PROTOFIGHTER].maxShield = 15;
alien_defs[CD_PROTOFIGHTER].shield = 15;
alien_defs[CD_PROTOFIGHTER].imageIndex[0] = 6;
alien_defs[CD_PROTOFIGHTER].imageIndex[1] = 7;
alien_defs[CD_PROTOFIGHTER].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_PROTOFIGHTER].weaponType[1] = P_ANYTHING;
alien_defs[CD_PROTOFIGHTER].chance[0] = 100;
alien_defs[CD_PROTOFIGHTER].chance[1] = 1;
alien_defs[CD_PROTOFIGHTER].collectChance = 50;
alien_defs[CD_PROTOFIGHTER].collectType = P_ANYTHING;
alien_defs[CD_PROTOFIGHTER].collectValue = 50;
alien_defs[CD_PROTOFIGHTER].flags = FL_WEAPCO;
// Phoebe and Ursula
alien_defs[CD_FRIEND].classDef = CD_FRIEND;
alien_defs[CD_FRIEND].AIType = AI_OFFENSIVE;
alien_defs[CD_FRIEND].speed = 3;
alien_defs[CD_FRIEND].maxShield = 50;
alien_defs[CD_FRIEND].shield = 50;
alien_defs[CD_FRIEND].imageIndex[0] = 20;
alien_defs[CD_FRIEND].imageIndex[1] = 21;
alien_defs[CD_FRIEND].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_FRIEND].weaponType[1] = W_HOMING_MISSILE;
alien_defs[CD_FRIEND].chance[0] = 100;
alien_defs[CD_FRIEND].chance[1] = 5;
alien_defs[CD_FRIEND].collectChance = 0;
alien_defs[CD_FRIEND].collectType = P_CASH;
alien_defs[CD_FRIEND].collectValue = 0;
alien_defs[CD_FRIEND].flags = FL_FRIEND;
// Boss 1
alien_defs[CD_FRIGATE].classDef = CD_BOSS;
alien_defs[CD_FRIGATE].AIType = AI_NORMAL;
alien_defs[CD_FRIGATE].speed = 2;
alien_defs[CD_FRIGATE].maxShield = 550;
alien_defs[CD_FRIGATE].shield = 550;
alien_defs[CD_FRIGATE].imageIndex[0] = 8;
alien_defs[CD_FRIGATE].imageIndex[1] = 9;
alien_defs[CD_FRIGATE].weaponType[0] = W_MICRO_ROCKETS;
alien_defs[CD_FRIGATE].weaponType[1] = W_ENERGYRAY;
alien_defs[CD_FRIGATE].chance[0] = 100;
alien_defs[CD_FRIGATE].chance[1] = 85;
alien_defs[CD_FRIGATE].collectChance = 100;
alien_defs[CD_FRIGATE].collectType = P_CASH;
alien_defs[CD_FRIGATE].collectValue = 500;
alien_defs[CD_FRIGATE].flags = FL_WEAPCO;
alien_defs[CD_FRIGATE_WING1].classDef = CD_FRIGATE_WING1;
alien_defs[CD_FRIGATE_WING1].AIType = AI_NORMAL;
alien_defs[CD_FRIGATE_WING1].speed = 2;
alien_defs[CD_FRIGATE_WING1].maxShield = 100;
alien_defs[CD_FRIGATE_WING1].shield = 100;
alien_defs[CD_FRIGATE_WING1].imageIndex[0] = 10;
alien_defs[CD_FRIGATE_WING1].imageIndex[1] = 11;
alien_defs[CD_FRIGATE_WING1].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_FRIGATE_WING1].weaponType[1] = W_ROCKETS;
alien_defs[CD_FRIGATE_WING1].chance[0] = 100;
alien_defs[CD_FRIGATE_WING1].chance[1] = 10;
alien_defs[CD_FRIGATE_WING1].collectChance = 100;
alien_defs[CD_FRIGATE_WING1].collectType = P_ANYTHING;
alien_defs[CD_FRIGATE_WING1].collectValue = 250;
alien_defs[CD_FRIGATE_WING1].flags = FL_WEAPCO | FL_DAMAGEOWNER;
alien_defs[CD_FRIGATE_WING2].classDef = CD_FRIGATE_WING2;
alien_defs[CD_FRIGATE_WING2].AIType = AI_NORMAL;
alien_defs[CD_FRIGATE_WING2].speed = 2;
alien_defs[CD_FRIGATE_WING2].maxShield = 100;
alien_defs[CD_FRIGATE_WING2].shield = 100;
alien_defs[CD_FRIGATE_WING2].imageIndex[0] = 12;
alien_defs[CD_FRIGATE_WING2].imageIndex[1] = 13;
alien_defs[CD_FRIGATE_WING2].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_FRIGATE_WING2].weaponType[1] = W_ROCKETS;
alien_defs[CD_FRIGATE_WING2].chance[0] = 100;
alien_defs[CD_FRIGATE_WING2].chance[1] = 10;
alien_defs[CD_FRIGATE_WING2].collectChance = 100;
alien_defs[CD_FRIGATE_WING2].collectType = P_ANYTHING;
alien_defs[CD_FRIGATE_WING2].collectValue = 250;
alien_defs[CD_FRIGATE_WING2].flags = FL_WEAPCO | FL_DAMAGEOWNER;
// Transport ship
alien_defs[CD_TRANSPORTSHIP].classDef = CD_TRANSPORTSHIP;
alien_defs[CD_TRANSPORTSHIP].AIType = AI_EVASIVE;
alien_defs[CD_TRANSPORTSHIP].speed = 4;
alien_defs[CD_TRANSPORTSHIP].maxShield = 10;
alien_defs[CD_TRANSPORTSHIP].shield = 10;
alien_defs[CD_TRANSPORTSHIP].imageIndex[0] = 14;
alien_defs[CD_TRANSPORTSHIP].imageIndex[1] = 15;
alien_defs[CD_TRANSPORTSHIP].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_TRANSPORTSHIP].weaponType[1] = W_DOUBLE_SHOT;
alien_defs[CD_TRANSPORTSHIP].chance[0] = 0;
alien_defs[CD_TRANSPORTSHIP].chance[1] = 0;
alien_defs[CD_TRANSPORTSHIP].collectChance = 100;
alien_defs[CD_TRANSPORTSHIP].collectType = P_WEAPONS;
alien_defs[CD_TRANSPORTSHIP].collectValue = 40;
alien_defs[CD_TRANSPORTSHIP].flags = FL_WEAPCO | FL_NOFIRE;
// Cargo ship
alien_defs[CD_CARGOSHIP].classDef = CD_CARGOSHIP;
alien_defs[CD_CARGOSHIP].AIType = AI_EVASIVE;
alien_defs[CD_CARGOSHIP].speed = 4;
alien_defs[CD_CARGOSHIP].maxShield = 10;
alien_defs[CD_CARGOSHIP].shield = 10;
alien_defs[CD_CARGOSHIP].imageIndex[0] = 22;
alien_defs[CD_CARGOSHIP].imageIndex[1] = 23;
alien_defs[CD_CARGOSHIP].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_CARGOSHIP].weaponType[1] = W_DOUBLE_SHOT;
alien_defs[CD_CARGOSHIP].chance[0] = 0;
alien_defs[CD_CARGOSHIP].chance[1] = 0;
alien_defs[CD_CARGOSHIP].collectChance = 50;
alien_defs[CD_CARGOSHIP].collectType = P_ANYTHING;
alien_defs[CD_CARGOSHIP].collectValue = 100;
alien_defs[CD_CARGOSHIP].flags = FL_WEAPCO | FL_NOFIRE;
// Weapco Miner
alien_defs[CD_MINER].classDef = CD_MINER;
alien_defs[CD_MINER].AIType = AI_EVASIVE;
alien_defs[CD_MINER].speed = 4;
alien_defs[CD_MINER].maxShield = 25;
alien_defs[CD_MINER].shield = 25;
alien_defs[CD_MINER].imageIndex[0] = 16;
alien_defs[CD_MINER].imageIndex[1] = 17;
alien_defs[CD_MINER].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_MINER].weaponType[1] = W_DOUBLE_SHOT;
alien_defs[CD_MINER].chance[0] = 0;
alien_defs[CD_MINER].chance[1] = 0;
alien_defs[CD_MINER].collectChance = 100;
alien_defs[CD_MINER].collectType = P_ANYTHING;
alien_defs[CD_MINER].collectValue = 30;
alien_defs[CD_MINER].flags = FL_WEAPCO | FL_NOFIRE | FL_DROPMINES;
// Kline
alien_defs[CD_KLINE].classDef = CD_KLINE;
alien_defs[CD_KLINE].AIType = AI_OFFENSIVE;
alien_defs[CD_KLINE].speed = 5;
alien_defs[CD_KLINE].maxShield = 2000;
alien_defs[CD_KLINE].shield = 2000;
alien_defs[CD_KLINE].imageIndex[0] = 18;
alien_defs[CD_KLINE].imageIndex[1] = 19;
alien_defs[CD_KLINE].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_KLINE].weaponType[1] = W_MICRO_ROCKETS;
alien_defs[CD_KLINE].chance[0] = 100;
alien_defs[CD_KLINE].chance[1] = 2;
alien_defs[CD_KLINE].collectChance = 0;
alien_defs[CD_KLINE].collectType = P_ANYTHING;
alien_defs[CD_KLINE].collectValue = 0;
alien_defs[CD_KLINE].flags = FL_WEAPCO | FL_ALWAYSFACE | FL_CIRCLES;
// Aim Fighter
alien_defs[CD_AIMFIGHTER].classDef = CD_AIMFIGHTER;
alien_defs[CD_AIMFIGHTER].AIType = AI_NORMAL;
alien_defs[CD_AIMFIGHTER].speed = 3;
alien_defs[CD_AIMFIGHTER].maxShield = 15;
alien_defs[CD_AIMFIGHTER].shield = 15;
alien_defs[CD_AIMFIGHTER].imageIndex[0] = 8;
alien_defs[CD_AIMFIGHTER].imageIndex[1] = 9;
alien_defs[CD_AIMFIGHTER].weaponType[0] = W_AIMED_SHOT;
alien_defs[CD_AIMFIGHTER].weaponType[1] = W_AIMED_SHOT;
alien_defs[CD_AIMFIGHTER].chance[0] = 7;
alien_defs[CD_AIMFIGHTER].chance[1] = 1;
alien_defs[CD_AIMFIGHTER].collectChance = 75;
alien_defs[CD_AIMFIGHTER].collectType = P_ANYTHING;
alien_defs[CD_AIMFIGHTER].collectValue = 100;
alien_defs[CD_AIMFIGHTER].flags = FL_WEAPCO | FL_AIMS;
// Slave ship
alien_defs[CD_SLAVETRANSPORT].classDef = CD_SLAVETRANSPORT;
alien_defs[CD_SLAVETRANSPORT].AIType = AI_EVASIVE;
alien_defs[CD_SLAVETRANSPORT].speed = 2;
alien_defs[CD_SLAVETRANSPORT].maxShield = 10;
alien_defs[CD_SLAVETRANSPORT].shield = 20;
alien_defs[CD_SLAVETRANSPORT].imageIndex[0] = 10;
alien_defs[CD_SLAVETRANSPORT].imageIndex[1] = 11;
alien_defs[CD_SLAVETRANSPORT].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_SLAVETRANSPORT].weaponType[1] = W_DOUBLE_SHOT;
alien_defs[CD_SLAVETRANSPORT].chance[0] = 0;
alien_defs[CD_SLAVETRANSPORT].chance[1] = 0;
alien_defs[CD_SLAVETRANSPORT].collectChance = 100;
alien_defs[CD_SLAVETRANSPORT].collectType = P_SLAVES;
alien_defs[CD_SLAVETRANSPORT].collectValue = 25;
alien_defs[CD_SLAVETRANSPORT].flags = FL_WEAPCO | FL_NOFIRE;
// Good Transport
alien_defs[CD_GOODTRANSPORT].classDef = CD_GOODTRANSPORT;
alien_defs[CD_GOODTRANSPORT].AIType = AI_EVASIVE;
alien_defs[CD_GOODTRANSPORT].speed = 3;
alien_defs[CD_GOODTRANSPORT].maxShield = 75;
alien_defs[CD_GOODTRANSPORT].shield = 75;
alien_defs[CD_GOODTRANSPORT].imageIndex[0] = 12;
alien_defs[CD_GOODTRANSPORT].imageIndex[1] = 13;
alien_defs[CD_GOODTRANSPORT].weaponType[0] = W_AIMED_SHOT;
alien_defs[CD_GOODTRANSPORT].weaponType[1] = W_AIMED_SHOT;
alien_defs[CD_GOODTRANSPORT].chance[0] = 100;
alien_defs[CD_GOODTRANSPORT].chance[1] = 100;
alien_defs[CD_GOODTRANSPORT].collectChance = 0;
alien_defs[CD_GOODTRANSPORT].collectType = P_ANYTHING;
alien_defs[CD_GOODTRANSPORT].collectValue = 0;
alien_defs[CD_GOODTRANSPORT].flags = FL_FRIEND | FL_NOFIRE | FL_AIMS;
// Sid Wilson
alien_defs[CD_SID].classDef = CD_SID;
alien_defs[CD_SID].AIType = AI_NORMAL;
alien_defs[CD_SID].speed = 3;
alien_defs[CD_SID].maxShield = 50;
alien_defs[CD_SID].shield = 50;
alien_defs[CD_SID].imageIndex[0] = 24;
alien_defs[CD_SID].imageIndex[1] = 25;
alien_defs[CD_SID].weaponType[0] = W_IONCANNON;
alien_defs[CD_SID].weaponType[1] = W_IONCANNON;
alien_defs[CD_SID].chance[0] = 100;
alien_defs[CD_SID].chance[1] = 0;
alien_defs[CD_SID].collectChance = 0;
alien_defs[CD_SID].collectType = P_ANYTHING;
alien_defs[CD_SID].collectValue = 0;
alien_defs[CD_SID].flags = FL_FRIEND | FL_AIMS;
// Mining Vessel Boss
alien_defs[CD_MINEBOSS].classDef = CD_BOSS;
alien_defs[CD_MINEBOSS].AIType = AI_NORMAL;
alien_defs[CD_MINEBOSS].speed = 3;
alien_defs[CD_MINEBOSS].maxShield = 1000;
alien_defs[CD_MINEBOSS].shield = 1000;
alien_defs[CD_MINEBOSS].imageIndex[0] = 26;
alien_defs[CD_MINEBOSS].imageIndex[1] = 27;
alien_defs[CD_MINEBOSS].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_MINEBOSS].weaponType[1] = W_SPREADSHOT;
alien_defs[CD_MINEBOSS].chance[0] = 0;
alien_defs[CD_MINEBOSS].chance[1] = 0;
alien_defs[CD_MINEBOSS].collectChance = 100;
alien_defs[CD_MINEBOSS].collectType = P_ANYTHING;
alien_defs[CD_MINEBOSS].collectValue = 1000;
alien_defs[CD_MINEBOSS].flags = FL_WEAPCO | FL_IMMORTAL;
alien_defs[CD_BOSS2_WING1].classDef = CD_BOSS2_WING1;
alien_defs[CD_BOSS2_WING1].AIType = AI_NORMAL;
alien_defs[CD_BOSS2_WING1].speed = 1;
alien_defs[CD_BOSS2_WING1].maxShield = 250;
alien_defs[CD_BOSS2_WING1].shield = 250;
alien_defs[CD_BOSS2_WING1].imageIndex[0] = 28;
alien_defs[CD_BOSS2_WING1].imageIndex[1] = 29;
alien_defs[CD_BOSS2_WING1].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_BOSS2_WING1].weaponType[1] = W_SPREADSHOT;
alien_defs[CD_BOSS2_WING1].chance[0] = 0;
alien_defs[CD_BOSS2_WING1].chance[1] = 0;
alien_defs[CD_BOSS2_WING1].collectChance = 100;
alien_defs[CD_BOSS2_WING1].collectType = P_ANYTHING;
alien_defs[CD_BOSS2_WING1].collectValue = 250;
alien_defs[CD_BOSS2_WING1].flags = FL_WEAPCO | FL_DAMAGEOWNER;
alien_defs[CD_BOSS2_WING2].classDef = CD_BOSS2_WING2;
alien_defs[CD_BOSS2_WING2].AIType = AI_NORMAL;
alien_defs[CD_BOSS2_WING2].speed = 1;
alien_defs[CD_BOSS2_WING2].maxShield = 500;
alien_defs[CD_BOSS2_WING2].shield = 500;
alien_defs[CD_BOSS2_WING2].imageIndex[0] = 30;
alien_defs[CD_BOSS2_WING2].imageIndex[1] = 31;
alien_defs[CD_BOSS2_WING2].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_BOSS2_WING2].weaponType[1] = W_SPREADSHOT;
alien_defs[CD_BOSS2_WING2].chance[0] = 0;
alien_defs[CD_BOSS2_WING2].chance[1] = 0;
alien_defs[CD_BOSS2_WING2].collectChance = 100;
alien_defs[CD_BOSS2_WING2].collectType = P_ANYTHING;
alien_defs[CD_BOSS2_WING2].collectValue = 250;
alien_defs[CD_BOSS2_WING2].flags = FL_WEAPCO | FL_DEPLOYDRONES | FL_DAMAGEOWNER;
alien_defs[CD_BOSS2_WING3].classDef = CD_BOSS2_WING3;
alien_defs[CD_BOSS2_WING3].AIType = AI_NORMAL;
alien_defs[CD_BOSS2_WING3].speed = 1;
alien_defs[CD_BOSS2_WING3].maxShield = 500;
alien_defs[CD_BOSS2_WING3].shield = 500;
alien_defs[CD_BOSS2_WING3].imageIndex[0] = 32;
alien_defs[CD_BOSS2_WING3].imageIndex[1] = 33;
alien_defs[CD_BOSS2_WING3].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_BOSS2_WING3].weaponType[1] = W_SPREADSHOT;
alien_defs[CD_BOSS2_WING3].chance[0] = 0;
alien_defs[CD_BOSS2_WING3].chance[1] = 0;
alien_defs[CD_BOSS2_WING3].collectChance = 100;
alien_defs[CD_BOSS2_WING3].collectType = P_ANYTHING;
alien_defs[CD_BOSS2_WING3].collectValue = 250;
alien_defs[CD_BOSS2_WING3].flags = FL_WEAPCO | FL_DEPLOYDRONES | FL_DAMAGEOWNER;
alien_defs[CD_BOSS2_WING4].classDef = CD_BOSS2_WING4;
alien_defs[CD_BOSS2_WING4].AIType = AI_NORMAL;
alien_defs[CD_BOSS2_WING4].speed = 1;
alien_defs[CD_BOSS2_WING4].maxShield = 250;
alien_defs[CD_BOSS2_WING4].shield = 250;
alien_defs[CD_BOSS2_WING4].imageIndex[0] = 34;
alien_defs[CD_BOSS2_WING4].imageIndex[1] = 35;
alien_defs[CD_BOSS2_WING4].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_BOSS2_WING4].weaponType[1] = W_SPREADSHOT;
alien_defs[CD_BOSS2_WING4].chance[0] = 0;
alien_defs[CD_BOSS2_WING4].chance[1] = 0;
alien_defs[CD_BOSS2_WING4].collectChance = 100;
alien_defs[CD_BOSS2_WING4].collectType = P_ANYTHING;
alien_defs[CD_BOSS2_WING4].collectValue = 250;
alien_defs[CD_BOSS2_WING4].flags = FL_WEAPCO | FL_DAMAGEOWNER;
// Drone
alien_defs[CD_DRONE].classDef = CD_DRONE;
alien_defs[CD_DRONE].AIType = AI_OFFENSIVE;
alien_defs[CD_DRONE].speed = 8;
alien_defs[CD_DRONE].maxShield = 5;
alien_defs[CD_DRONE].shield = 5;
alien_defs[CD_DRONE].imageIndex[0] = 36;
alien_defs[CD_DRONE].imageIndex[1] = 37;
alien_defs[CD_DRONE].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_DRONE].weaponType[1] = W_LASER;
alien_defs[CD_DRONE].chance[0] = 100;
alien_defs[CD_DRONE].chance[1] = 0;
alien_defs[CD_DRONE].collectChance = 10;
alien_defs[CD_DRONE].collectType = P_SHIELD;
alien_defs[CD_DRONE].collectValue = 1;
alien_defs[CD_DRONE].flags = FL_WEAPCO;
// Experimental Fighter
alien_defs[CD_CLOAKFIGHTER].classDef = CD_CLOAKFIGHTER;
alien_defs[CD_CLOAKFIGHTER].AIType = AI_OFFENSIVE;
alien_defs[CD_CLOAKFIGHTER].speed = 6;
alien_defs[CD_CLOAKFIGHTER].maxShield = 1000;
alien_defs[CD_CLOAKFIGHTER].shield = 1000;
alien_defs[CD_CLOAKFIGHTER].imageIndex[0] = 10;
alien_defs[CD_CLOAKFIGHTER].imageIndex[1] = 11;
alien_defs[CD_CLOAKFIGHTER].weaponType[0] = W_SPREADSHOT;
alien_defs[CD_CLOAKFIGHTER].weaponType[1] = W_DOUBLE_ROCKETS;
alien_defs[CD_CLOAKFIGHTER].chance[0] = 100;
alien_defs[CD_CLOAKFIGHTER].chance[1] = 5;
alien_defs[CD_CLOAKFIGHTER].collectChance = 100;
alien_defs[CD_CLOAKFIGHTER].collectType = P_CASH;
alien_defs[CD_CLOAKFIGHTER].collectValue = 250;
alien_defs[CD_CLOAKFIGHTER].flags = FL_WEAPCO | FL_CANCLOAK | FL_RUNSAWAY;
// Evil Ursula
alien_defs[CD_EVILURSULA].classDef = CD_EVILURSULA;
alien_defs[CD_EVILURSULA].AIType = AI_OFFENSIVE;
alien_defs[CD_EVILURSULA].speed = 5;
alien_defs[CD_EVILURSULA].maxShield = 500;
alien_defs[CD_EVILURSULA].shield = 500;
alien_defs[CD_EVILURSULA].imageIndex[0] = 12;
alien_defs[CD_EVILURSULA].imageIndex[1] = 13;
alien_defs[CD_EVILURSULA].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_EVILURSULA].weaponType[1] = W_HOMING_MISSILE;
alien_defs[CD_EVILURSULA].chance[0] = 100;
alien_defs[CD_EVILURSULA].chance[1] = 100;
alien_defs[CD_EVILURSULA].collectChance = 100;
alien_defs[CD_EVILURSULA].collectType = P_ESCAPEPOD;
alien_defs[CD_EVILURSULA].collectValue = 1;
alien_defs[CD_EVILURSULA].flags = FL_WEAPCO;
// Mercenary
alien_defs[CD_KRASS].classDef = CD_KRASS;
alien_defs[CD_KRASS].AIType = AI_OFFENSIVE;
alien_defs[CD_KRASS].speed = 5;
alien_defs[CD_KRASS].maxShield = 1000;
alien_defs[CD_KRASS].shield = 1000;
alien_defs[CD_KRASS].imageIndex[0] = 26;
alien_defs[CD_KRASS].imageIndex[1] = 27;
alien_defs[CD_KRASS].weaponType[0] = W_SPREADSHOT;
alien_defs[CD_KRASS].weaponType[1] = W_CHARGER;
alien_defs[CD_KRASS].chance[0] = 100;
alien_defs[CD_KRASS].chance[1] = 0;
alien_defs[CD_KRASS].collectChance = 100;
alien_defs[CD_KRASS].collectType = P_ANYTHING;
alien_defs[CD_KRASS].collectValue = 2250;
alien_defs[CD_KRASS].flags = FL_FRIEND | FL_IMMORTAL;
// Executive Transport
alien_defs[CD_EXEC].classDef = CD_BOSS;
alien_defs[CD_EXEC].AIType = AI_NORMAL;
alien_defs[CD_EXEC].speed = 5;
alien_defs[CD_EXEC].maxShield = 1000;
alien_defs[CD_EXEC].shield = 1000;
alien_defs[CD_EXEC].imageIndex[0] = 28;
alien_defs[CD_EXEC].imageIndex[1] = 28;
alien_defs[CD_EXEC].weaponType[0] = W_SPREADSHOT;
alien_defs[CD_EXEC].weaponType[1] = W_HOMING_MISSILE;
alien_defs[CD_EXEC].chance[0] = 0;
alien_defs[CD_EXEC].chance[1] = 0;
alien_defs[CD_EXEC].collectChance = 0;
alien_defs[CD_EXEC].collectType = P_ANYTHING;
alien_defs[CD_EXEC].collectValue = 2000;
alien_defs[CD_EXEC].flags = FL_WEAPCO | FL_NOFIRE;
// Asteroid
alien_defs[CD_ASTEROID].classDef = CD_ASTEROID;
alien_defs[CD_ASTEROID].AIType = AI_WANDER;
alien_defs[CD_ASTEROID].speed = 1;
alien_defs[CD_ASTEROID].maxShield = 50;
alien_defs[CD_ASTEROID].shield = 50;
alien_defs[CD_ASTEROID].imageIndex[0] = 38;
alien_defs[CD_ASTEROID].imageIndex[1] = 38;
alien_defs[CD_ASTEROID].weaponType[0] = W_SPREADSHOT;
alien_defs[CD_ASTEROID].weaponType[1] = W_HOMING_MISSILE;
alien_defs[CD_ASTEROID].chance[0] = 0;
alien_defs[CD_ASTEROID].chance[1] = 0;
alien_defs[CD_ASTEROID].collectChance = 25;
alien_defs[CD_ASTEROID].collectType = P_ORE;
alien_defs[CD_ASTEROID].collectValue = 1;
alien_defs[CD_ASTEROID].flags = FL_WEAPCO;
alien_defs[CD_ASTEROID2].classDef = CD_ASTEROID2;
alien_defs[CD_ASTEROID2].AIType = AI_WANDER;
alien_defs[CD_ASTEROID2].speed = 1;
alien_defs[CD_ASTEROID2].maxShield = 10;
alien_defs[CD_ASTEROID2].shield = 10;
alien_defs[CD_ASTEROID2].imageIndex[0] = 39;
alien_defs[CD_ASTEROID2].imageIndex[1] = 40;
alien_defs[CD_ASTEROID2].weaponType[0] = W_SPREADSHOT;
alien_defs[CD_ASTEROID2].weaponType[1] = W_HOMING_MISSILE;
alien_defs[CD_ASTEROID2].chance[0] = 0;
alien_defs[CD_ASTEROID2].chance[1] = 0;
alien_defs[CD_ASTEROID2].collectChance = 25;
alien_defs[CD_ASTEROID2].collectType = P_ORE;
alien_defs[CD_ASTEROID2].collectValue = 1;
alien_defs[CD_ASTEROID2].flags = FL_WEAPCO;
// Escort
alien_defs[CD_ESCORT].classDef = CD_ESCORT;
alien_defs[CD_ESCORT].AIType = AI_NORMAL;
alien_defs[CD_ESCORT].speed = 3;
alien_defs[CD_ESCORT].maxShield = 200;
alien_defs[CD_ESCORT].shield = 200;
alien_defs[CD_ESCORT].imageIndex[0] = 30;
alien_defs[CD_ESCORT].imageIndex[1] = 31;
alien_defs[CD_ESCORT].weaponType[0] = W_LASER;
alien_defs[CD_ESCORT].weaponType[1] = W_LASER;
alien_defs[CD_ESCORT].chance[0] = 25;
alien_defs[CD_ESCORT].chance[1] = 25;
alien_defs[CD_ESCORT].collectChance = 100;
alien_defs[CD_ESCORT].collectType = P_ANYTHING;
alien_defs[CD_ESCORT].collectValue = 100;
alien_defs[CD_ESCORT].flags = FL_WEAPCO;
// Mobile Ray Cannon
alien_defs[CD_MOBILE_RAY].classDef = CD_MOBILE_RAY;
alien_defs[CD_MOBILE_RAY].AIType = AI_OFFENSIVE;
alien_defs[CD_MOBILE_RAY].speed = 5;
alien_defs[CD_MOBILE_RAY].maxShield = 250;
alien_defs[CD_MOBILE_RAY].shield = 250;
alien_defs[CD_MOBILE_RAY].imageIndex[0] = 10;
alien_defs[CD_MOBILE_RAY].imageIndex[1] = 11;
alien_defs[CD_MOBILE_RAY].weaponType[0] = W_ENERGYRAY;
alien_defs[CD_MOBILE_RAY].weaponType[1] = W_ENERGYRAY;
alien_defs[CD_MOBILE_RAY].chance[0] = 50;
alien_defs[CD_MOBILE_RAY].chance[1] = 50;
alien_defs[CD_MOBILE_RAY].collectChance = 75;
alien_defs[CD_MOBILE_RAY].collectType = P_ANYTHING;
alien_defs[CD_MOBILE_RAY].collectValue = 100;
alien_defs[CD_MOBILE_RAY].flags = FL_WEAPCO;
// Rebel Carrier
alien_defs[CD_REBELCARRIER].classDef = CD_REBELCARRIER;
alien_defs[CD_REBELCARRIER].AIType = AI_OFFENSIVE;
alien_defs[CD_REBELCARRIER].speed = 2;
alien_defs[CD_REBELCARRIER].maxShield = 100;
alien_defs[CD_REBELCARRIER].shield = 100;
alien_defs[CD_REBELCARRIER].imageIndex[0] = 32;
alien_defs[CD_REBELCARRIER].imageIndex[1] = 33;
alien_defs[CD_REBELCARRIER].weaponType[0] = W_DOUBLE_ROCKETS;
alien_defs[CD_REBELCARRIER].weaponType[1] = W_MICRO_ROCKETS;
alien_defs[CD_REBELCARRIER].chance[0] = 50;
alien_defs[CD_REBELCARRIER].chance[1] = 2;
alien_defs[CD_REBELCARRIER].collectChance = 0;
alien_defs[CD_REBELCARRIER].collectType = P_SHIELD;
alien_defs[CD_REBELCARRIER].collectValue = 0;
alien_defs[CD_REBELCARRIER].flags = FL_FRIEND;
// Pluto Boss
alien_defs[CD_PLUTOBOSS].classDef = CD_PLUTOBOSS;
alien_defs[CD_PLUTOBOSS].AIType = AI_OFFENSIVE;
alien_defs[CD_PLUTOBOSS].speed = 4;
alien_defs[CD_PLUTOBOSS].maxShield = 500;
alien_defs[CD_PLUTOBOSS].shield = 500;
alien_defs[CD_PLUTOBOSS].imageIndex[0] = 12;
alien_defs[CD_PLUTOBOSS].imageIndex[1] = 13;
alien_defs[CD_PLUTOBOSS].weaponType[0] = W_DOUBLE_ROCKETS;
alien_defs[CD_PLUTOBOSS].weaponType[1] = W_MICRO_ROCKETS;
alien_defs[CD_PLUTOBOSS].chance[0] = 50;
alien_defs[CD_PLUTOBOSS].chance[1] = 2;
alien_defs[CD_PLUTOBOSS].collectChance = 0;
alien_defs[CD_PLUTOBOSS].collectType = P_ANYTHING;
alien_defs[CD_PLUTOBOSS].collectValue = 1000;
alien_defs[CD_PLUTOBOSS].flags = FL_WEAPCO;
// Pluto Boss Barrier
alien_defs[CD_BARRIER].classDef = CD_BARRIER;
alien_defs[CD_BARRIER].AIType = AI_OFFENSIVE;
alien_defs[CD_BARRIER].speed = 1;
alien_defs[CD_BARRIER].maxShield = 250;
alien_defs[CD_BARRIER].shield = 250;
alien_defs[CD_BARRIER].imageIndex[0] = 32;
alien_defs[CD_BARRIER].imageIndex[1] = 33;
alien_defs[CD_BARRIER].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_BARRIER].weaponType[1] = W_MICRO_ROCKETS;
alien_defs[CD_BARRIER].chance[0] = 0;
alien_defs[CD_BARRIER].chance[1] = 0;
alien_defs[CD_BARRIER].collectChance = 100;
alien_defs[CD_BARRIER].collectType = P_ANYTHING;
alien_defs[CD_BARRIER].collectValue = 25;
alien_defs[CD_BARRIER].flags = FL_WEAPCO | FL_NOFIRE;
// Neptune Boss
alien_defs[CD_NEPTUNEBOSS].classDef = CD_NEPTUNEBOSS;
alien_defs[CD_NEPTUNEBOSS].AIType = AI_OFFENSIVE;
alien_defs[CD_NEPTUNEBOSS].speed = 4;
alien_defs[CD_NEPTUNEBOSS].maxShield = 800;
alien_defs[CD_NEPTUNEBOSS].shield = 800;
alien_defs[CD_NEPTUNEBOSS].imageIndex[0] = 12;
alien_defs[CD_NEPTUNEBOSS].imageIndex[1] = 13;
alien_defs[CD_NEPTUNEBOSS].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_NEPTUNEBOSS].weaponType[1] = W_MICRO_ROCKETS;
alien_defs[CD_NEPTUNEBOSS].chance[0] = 100;
alien_defs[CD_NEPTUNEBOSS].chance[1] = 0;
alien_defs[CD_NEPTUNEBOSS].collectChance = 100;
alien_defs[CD_NEPTUNEBOSS].collectType = P_ANYTHING;
alien_defs[CD_NEPTUNEBOSS].collectValue = 1000;
alien_defs[CD_NEPTUNEBOSS].flags = FL_WEAPCO;
// Mobile Shield
alien_defs[CD_MOBILESHIELD].classDef = CD_MOBILESHIELD;
alien_defs[CD_MOBILESHIELD].AIType = AI_EVASIVE;
alien_defs[CD_MOBILESHIELD].speed = 6;
alien_defs[CD_MOBILESHIELD].maxShield = 150;
alien_defs[CD_MOBILESHIELD].shield = 150;
alien_defs[CD_MOBILESHIELD].imageIndex[0] = 34;
alien_defs[CD_MOBILESHIELD].imageIndex[1] = 35;
alien_defs[CD_MOBILESHIELD].weaponType[0] = W_DOUBLE_SHOT;
alien_defs[CD_MOBILESHIELD].weaponType[1] = W_MICRO_ROCKETS;
alien_defs[CD_MOBILESHIELD].chance[0] = 0;
alien_defs[CD_MOBILESHIELD].chance[1] = 0;
alien_defs[CD_MOBILESHIELD].collectChance = 100;
alien_defs[CD_MOBILESHIELD].collectType = P_ANYTHING;
alien_defs[CD_MOBILESHIELD].collectValue = 25;
alien_defs[CD_MOBILESHIELD].flags = FL_WEAPCO | FL_NOFIRE;
// Firefly
alien_defs[CD_FIREFLY].classDef = CD_FIREFLY;
alien_defs[CD_FIREFLY].AIType = AI_OFFENSIVE;
alien_defs[CD_FIREFLY].speed = 5;
alien_defs[CD_FIREFLY].maxShield = 250;
alien_defs[CD_FIREFLY].shield = 250;
alien_defs[CD_FIREFLY].imageIndex[0] = 0;
alien_defs[CD_FIREFLY].imageIndex[1] = 1;
alien_defs[CD_FIREFLY].weaponType[0] = W_TRIPLE_SHOT;
alien_defs[CD_FIREFLY].weaponType[1] = W_DOUBLE_ROCKETS;
alien_defs[CD_FIREFLY].chance[0] = 100;
alien_defs[CD_FIREFLY].chance[1] = 5;
alien_defs[CD_FIREFLY].collectChance = 100;
alien_defs[CD_FIREFLY].collectType = P_ANYTHING;
alien_defs[CD_FIREFLY].collectValue = 250;
alien_defs[CD_FIREFLY].flags = FL_WEAPCO;
// Uranus Boss
alien_defs[CD_URANUSBOSS].classDef = CD_URANUSBOSS;
alien_defs[CD_URANUSBOSS].AIType = AI_OFFENSIVE;
alien_defs[CD_URANUSBOSS].speed = 4;
alien_defs[CD_URANUSBOSS].maxShield = 750;
alien_defs[CD_URANUSBOSS].shield = 750;
alien_defs[CD_URANUSBOSS].imageIndex[0] = 41;
alien_defs[CD_URANUSBOSS].imageIndex[1] = 42;
alien_defs[CD_URANUSBOSS].weaponType[0] = W_SPREADSHOT;
alien_defs[CD_URANUSBOSS].weaponType[1] = W_DOUBLE_ROCKETS;
alien_defs[CD_URANUSBOSS].chance[0] = 100;
alien_defs[CD_URANUSBOSS].chance[1] = 5;
alien_defs[CD_URANUSBOSS].collectChance = 100;
alien_defs[CD_URANUSBOSS].collectType = P_ANYTHING;
alien_defs[CD_URANUSBOSS].collectValue = 500;
alien_defs[CD_URANUSBOSS].flags = FL_WEAPCO;
// Uranus Boss Wing 1
alien_defs[CD_URANUSBOSSWING1].classDef = CD_URANUSBOSSWING1;
alien_defs[CD_URANUSBOSSWING1].AIType = AI_OFFENSIVE;
alien_defs[CD_URANUSBOSSWING1].speed = 4;
alien_defs[CD_URANUSBOSSWING1].maxShield = 250;
alien_defs[CD_URANUSBOSSWING1].shield = 250;
alien_defs[CD_URANUSBOSSWING1].imageIndex[0] = 43;
alien_defs[CD_URANUSBOSSWING1].imageIndex[1] = 44;
alien_defs[CD_URANUSBOSSWING1].weaponType[0] = W_DOUBLE_ROCKETS;
alien_defs[CD_URANUSBOSSWING1].weaponType[1] = W_DOUBLE_ROCKETS;
alien_defs[CD_URANUSBOSSWING1].chance[0] = 5;
alien_defs[CD_URANUSBOSSWING1].chance[1] = 0;
alien_defs[CD_URANUSBOSSWING1].collectChance = 100;
alien_defs[CD_URANUSBOSSWING1].collectType = P_ANYTHING;
alien_defs[CD_URANUSBOSSWING1].collectValue = 250;
alien_defs[CD_URANUSBOSSWING1].flags = FL_WEAPCO | FL_IMMORTAL;
// Uranus Boss Wing 2
alien_defs[CD_URANUSBOSSWING2].classDef = CD_URANUSBOSSWING2;
alien_defs[CD_URANUSBOSSWING2].AIType = AI_OFFENSIVE;
alien_defs[CD_URANUSBOSSWING2].speed = 4;
alien_defs[CD_URANUSBOSSWING2].maxShield = 250;
alien_defs[CD_URANUSBOSSWING2].shield = 250;
alien_defs[CD_URANUSBOSSWING2].imageIndex[0] = 45;
alien_defs[CD_URANUSBOSSWING2].imageIndex[1] = 46;
alien_defs[CD_URANUSBOSSWING2].weaponType[0] = W_DOUBLE_ROCKETS;
alien_defs[CD_URANUSBOSSWING2].weaponType[1] = W_DOUBLE_ROCKETS;
alien_defs[CD_URANUSBOSSWING2].chance[0] = 5;
alien_defs[CD_URANUSBOSSWING2].chance[1] = 0;
alien_defs[CD_URANUSBOSSWING2].collectChance = 100;
alien_defs[CD_URANUSBOSSWING2].collectType = P_ANYTHING;
alien_defs[CD_URANUSBOSSWING2].collectValue = 250;
alien_defs[CD_URANUSBOSSWING2].flags = FL_WEAPCO | FL_IMMORTAL;
}
void aliens_init()
{
FILE *fp;
char string[255];
int index;
int alienType;
int placeAttempt;
int barrierSpeed;
for (int i = 0 ; i < ALIEN_MAX ; i++)
{
aliens[i].active = false;
aliens[i].shield = -1;
aliens[i].flags = 0;
}
engine.targetIndex = -1;
strcpy(string, "");
barrierSpeed = 1;
sprintf(string, "data/aliens%d.dat", currentGame.area);
fp = fopen(string, "rb");
if (fp != NULL)
{
while (fscanf(fp, "%d %d ", &index, &alienType) == 2)
{
placeAttempt = 0;
aliens[index] = alien_defs[alienType];
aliens[index].owner = &aliens[index];
aliens[index].target = &aliens[index];
aliens[index].face = rand() % 2;
aliens[index].active = true;
/*
we make 1000 attempts to place this enemy since it is required. If after
1000 attempts we still haven't managed to place the alien, then it
simply isn't going to happen and we will just exit the game. The chances
of this happening are very very low!
*/
while (true)
{
placeAttempt++;
if (alien_place(&aliens[index]))
break;
if (placeAttempt > 1000)
showErrorAndExit(2, "");
}
if (currentGame.area == MISN_CERADSE)
addCargo(&aliens[index], P_CARGO);
else if (currentGame.area == MISN_NEROD)
addCargo(&aliens[index], P_PHOEBE);
if (index == ALIEN_KLINE)
{
aliens[ALIEN_KLINE].target = &player;
}
if (aliens[index].classDef == CD_CLOAKFIGHTER)
{
aliens[index].active = false;
aliens[index].maxShield = aliens[index].shield = 400;
aliens[index].flags &= ~FL_RUNSAWAY;
aliens[index].speed = 3;
}
if ((aliens[index].classDef == CD_MOBILE_RAY) && (index >= 11))
{
aliens[index].active = false;
}
if (aliens[index].classDef == CD_FIREFLY)
{
aliens[index].active = false;
}
if (aliens[index].classDef == CD_BARRIER)
{
aliens[index].owner = &aliens[ALIEN_BOSS];
aliens[index].speed = barrierSpeed;
barrierSpeed++;
}
if ((currentGame.area == MISN_POSWIC) &&
(aliens[index].classDef == CD_BOSS))
{
aliens[index].imageIndex[1] = 29;
aliens[index].flags |= FL_IMMORTAL;
}
if (currentGame.area == MISN_ELLESH)
aliens[index].flags |= FL_HASMINIMUMSPEED;
if (currentGame.area == MISN_JUPITER)
{
aliens[index].flags = FL_WEAPCO;
if (index == ALIEN_BOSS)
aliens[index].chance[1] = 5;
}
}
fclose(fp);
if (currentGame.area == MISN_MOEBO)
{
aliens[ALIEN_BOSS].target = &player;
aliens[ALIEN_BOSS].x = -screen->w / 2;
aliens[ALIEN_BOSS].y = screen->h / 2;
aliens[ALIEN_BOSS_PART1].owner = &aliens[ALIEN_BOSS];
aliens[ALIEN_BOSS_PART1].target = &player;
aliens[ALIEN_BOSS_PART1].dx = -25;
aliens[ALIEN_BOSS_PART1].dy = -21;
aliens[ALIEN_BOSS_PART2].owner = &aliens[ALIEN_BOSS];
aliens[ALIEN_BOSS_PART2].target = &player;
aliens[ALIEN_BOSS_PART2].dx = -20;
aliens[ALIEN_BOSS_PART2].dy = 37;
}
else if ((currentGame.area == MISN_ELAMALE) ||
(currentGame.area == MISN_FELLON))
{
aliens[ALIEN_BOSS].target = &player;
aliens[ALIEN_BOSS].x = -screen->w / 2;
aliens[ALIEN_BOSS].y = screen->h / 2;
aliens[ALIEN_BOSS_PART1].owner = &aliens[ALIEN_BOSS];
aliens[ALIEN_BOSS_PART1].target = &player;
aliens[ALIEN_BOSS_PART1].dx = 15;
aliens[ALIEN_BOSS_PART1].dy = -22;
aliens[ALIEN_BOSS_PART2].owner = &aliens[ALIEN_BOSS];
aliens[ALIEN_BOSS_PART2].target = &player;
aliens[ALIEN_BOSS_PART2].dx = 15;
aliens[ALIEN_BOSS_PART2].dy = 22;
aliens[ALIEN_BOSS_PART3].owner = &aliens[ALIEN_BOSS_PART1];
aliens[ALIEN_BOSS_PART3].target = &player;
aliens[ALIEN_BOSS_PART3].dx = -35;
aliens[ALIEN_BOSS_PART3].dy = -12;
aliens[ALIEN_BOSS_PART4].owner = &aliens[ALIEN_BOSS_PART2];
aliens[ALIEN_BOSS_PART4].target = &player;
aliens[ALIEN_BOSS_PART4].dx = -35;
aliens[ALIEN_BOSS_PART4].dy = 20;
if (currentGame.area == MISN_FELLON)
{
aliens[ALIEN_BOSS].AIType = AI_EVASIVE;
for (int i = 10 ; i < 15 ; i++)
{
aliens[i].imageIndex[0] += 15;
aliens[i].imageIndex[1] += 15;
aliens[i].image[0] = shipShape[aliens[i].imageIndex[0]];
aliens[i].image[1] = shipShape[aliens[i].imageIndex[1]];
}
}
}
else if (currentGame.area == MISN_URANUS)
{
aliens[ALIEN_BOSS].target = &player;
aliens[ALIEN_BOSS].x = -screen->w / 2;
aliens[ALIEN_BOSS].y = screen->h / 2;
aliens[ALIEN_BOSS_PART1].owner = &aliens[ALIEN_BOSS];
aliens[ALIEN_BOSS_PART1].dy = 20;
aliens[ALIEN_BOSS_PART2].owner = &aliens[ALIEN_BOSS];
aliens[ALIEN_BOSS_PART2].dy = -16;
}
}
}
bool alien_add()
{
int index = alien_getFreeIndex();
if ((index == -1) || (currentGame.area == MISN_JUPITER) ||
(currentGame.area == MISN_VENUS))
return 0;
signed char *alienArray;
signed char numberOfAliens = 1;
alienArray = new signed char[8];
switch(currentGame.area)
{
case MISN_START:
case MISN_HINSTAG:
case MISN_ELAMALE:
numberOfAliens = 1;
alienArray[0] = CD_DUALFIGHTER;
break;
case MISN_HAIL:
case MISN_CERADSE:
case MISN_JOLDAR:
case MISN_MOEBO:
numberOfAliens = 2;
alienArray[0] = CD_DUALFIGHTER;
alienArray[1] = CD_PROTOFIGHTER;
break;
case MISN_NEROD:
case MISN_ALLEZ:
numberOfAliens = 3;
alienArray[0] = CD_DUALFIGHTER;
alienArray[1] = CD_PROTOFIGHTER;
alienArray[2] = CD_AIMFIGHTER;
break;
case MISN_URUSOR:
// This is the mission where you need to disable cargo ships.
// Missiles are extremely bad in this mission, not because
// of the damage they do to you, but because they tend to
// accidentally destroy the cargo ships. Therefore, ships
// with missiles (dual fighters and missile boats) are
// excluded from this mission.
numberOfAliens = 2;
alienArray[0] = CD_PROTOFIGHTER;
alienArray[1] = CD_AIMFIGHTER;
break;
case MISN_DORIM:
case MISN_SIVEDI:
numberOfAliens = 1;
alienArray[0] = CD_ASTEROID;
break;
case MISN_ODEON:
case MISN_FELLON:
case MISN_ALMARTHA:
numberOfAliens = 4;
alienArray[0] = CD_DUALFIGHTER;
alienArray[1] = CD_PROTOFIGHTER;
alienArray[2] = CD_MISSILEBOAT;
alienArray[3] = CD_AIMFIGHTER;
break;
case MISN_ELLESH:
numberOfAliens = 2;
alienArray[0] = CD_DUALFIGHTER;
alienArray[1] = CD_MINER;
break;
case MISN_SATURN:
numberOfAliens = 2;
alienArray[0] = CD_AIMFIGHTER;
alienArray[1] = CD_DUALFIGHTER;
break;
case MISN_MARS:
numberOfAliens = 2;
alienArray[0] = CD_ASTEROID;
alienArray[1] = CD_ASTEROID2;
break;
case MISN_EARTH:
numberOfAliens = 6;
alienArray[0] = CD_DUALFIGHTER;
alienArray[1] = CD_PROTOFIGHTER;
alienArray[2] = CD_MISSILEBOAT;
alienArray[3] = CD_AIMFIGHTER;
alienArray[4] = CD_ESCORT;
alienArray[5] = CD_MOBILE_RAY;
break;
case MISN_INTERCEPTION:
numberOfAliens = 3;
alienArray[0] = CD_DUALFIGHTER;
alienArray[1] = CD_MISSILEBOAT;
alienArray[2] = CD_AIMFIGHTER;
if (currentGame.system == 2)
{
numberOfAliens = 4;
alienArray[3] = CD_PROTOFIGHTER;
}
break;
default:
numberOfAliens = 1;
alienArray[0] = CD_DUALFIGHTER;
break;
}
signed char randEnemy = alienArray[rand() % numberOfAliens];
if ((currentGame.area != MISN_DORIM) &&
(currentGame.area != MISN_SIVEDI) &&
(currentGame.area != MISN_MARS))
{
if ((currentGame.system == 1) && (currentGame.area == MISN_INTERCEPTION))
{
if ((rand() % 5) == 0)
randEnemy = CD_SLAVETRANSPORT;
}
if ((rand() % 6) == 0)
randEnemy = CD_TRANSPORTSHIP;
}
delete[] alienArray;
aliens[index] = alien_defs[randEnemy];
aliens[index].active = true;
aliens[index].face = rand() % 2;
aliens[index].owner = &aliens[index]; // Most enemies will own themselves
aliens[index].target = &aliens[index];
aliens[index].thinktime = (50 + rand() % 50);
aliens[index].systemPower = aliens[index].maxShield;
aliens[index].deathCounter = 0 - (aliens[index].maxShield * 3);
aliens[index].hit = 0;
LIMIT(aliens[index].deathCounter, -250, 0);
// Attempts to place an alien. If it fails, the alien is deactivated.
for (int i = 0 ; i < 100 ; i++)
{
if (alien_place(&aliens[index]))
break;
aliens[index].active = false;
return false;
}
if (aliens[index].classDef == CD_CARGOSHIP)
addCargo(&aliens[index], P_CARGO);
if (aliens[index].classDef == CD_MOBILE_RAY)
aliens[index].shield = 25;
if (aliens[index].classDef == CD_ESCORT)
aliens[index].shield = 50;
aliens[index].dx = RANDRANGE(-2, 2);
aliens[index].dy = RANDRANGE(-2, 2);
aliens[index].ammo[0] = 0;
if (currentGame.area == MISN_ELLESH)
aliens[index].flags |= FL_HASMINIMUMSPEED;
return true;
}
void alien_addDrone(object *hostAlien)
{
int index = alien_getFreeIndex();
if (index == -1)
return;
aliens[index] = alien_defs[CD_DRONE];
aliens[index].active = true;
aliens[index].face = rand() % 2;
aliens[index].owner = &aliens[index]; // Most enemies will own themselves
aliens[index].target = &aliens[index];
aliens[index].thinktime = (50 + rand() % 50);
aliens[index].systemPower = aliens[index].maxShield;
aliens[index].deathCounter = 0 - (aliens[index].maxShield * 3);
aliens[index].hit = 0;
aliens[index].x = hostAlien->x + rand() % 50;
aliens[index].y = hostAlien->y + rand() % 50;
}
void alien_addSmallAsteroid(object *hostAlien)
{
if (engine.missionCompleteTimer != 0)
return;
int index = -1;
int debris = RANDRANGE(1, 10);
for (int i = 0 ; i < debris ; i++)
bullet_add(&weapon[W_ROCKETS], hostAlien, 0, 0);
for (int i = 10 ; i < 20 ; i++)
if (!aliens[i].active)
index = i;
if (index == -1)
return;
if ((rand() % 10) > 3)
{
aliens[index] = alien_defs[CD_ASTEROID2];
aliens[index].imageIndex[0] = aliens[index].imageIndex[1] = 39 + rand() % 2;
aliens[index].image[0] = shipShape[aliens[index].imageIndex[0]];
aliens[index].image[1] = shipShape[aliens[index].imageIndex[1]];
}
else
{
aliens[index] = alien_defs[CD_DRONE];
}
aliens[index].owner = &aliens[index]; // Most enemies will own themselves
aliens[index].target = &aliens[index];
aliens[index].thinktime = 1;
aliens[index].systemPower = aliens[index].maxShield;
aliens[index].deathCounter = 0 - (aliens[index].maxShield * 3);
aliens[index].hit = 0;
aliens[index].x = hostAlien->x;
aliens[index].y = hostAlien->y;
aliens[index].active = true;
}
void alien_addFriendly(int type)
{
if (type != ALIEN_SID)
aliens[type] = alien_defs[CD_FRIEND];
else
aliens[type] = alien_defs[CD_SID];
aliens[type].owner = &aliens[type];
aliens[type].target = &aliens[type];
aliens[type].active = true;
aliens[type].x = RANDRANGE((screen->w / 2) - 150, (screen->w / 2) + 150);
aliens[type].y = RANDRANGE((screen->h / 2) - 150, (screen->h / 2) + 150);
if (type == ALIEN_PHOEBE)
aliens[type].classDef = CD_PHOEBE;
if (type == ALIEN_URSULA)
aliens[type].classDef = CD_URSULA;
// For the sake of it being the final battle :)
if (currentGame.area == MISN_EARTH)
aliens[type].flags |= FL_IMMORTAL;
}
bool alien_place(object *alien)
{
if (rand() % 2 == 0)
alien->x = RANDRANGE(screen->w, screen->w * 2);
else
alien->x = RANDRANGE(-screen->w, 0);
if (rand() % 2 == 0)
alien->y = RANDRANGE(screen->h, screen->h * 2);
else
alien->y = RANDRANGE(-screen->h, 0);
if (currentGame.area == MISN_MARS)
{
alien->x = screen->w + RANDRANGE(0, 400);
alien->y = RANDRANGE(-screen->h / 3, (4 * screen->h) / 3);
}
for (int i = 0 ; i < ALIEN_MAX ; i++)
{
if ((aliens[i].owner != alien) && (aliens[i].shield > 0))
{
if (collision(alien->x, alien->y, alien->image[0]->w,
alien->image[0]->h, aliens[i].x, aliens[i].y,
aliens[i].image[0]->w, aliens[i].image[0]->h))
return false;
}
}
return true;
}
void alien_setAI(object *alien)
{
// Make friendly craft generally concentrate on smaller fighters
if ((alien->flags & FL_FRIEND) && (alien->target == &aliens[ALIEN_BOSS]))
{
if ((rand() % 5) == 0)
{
alien->target = alien;
alien->thinktime = 0;
return;
}
}
int i = rand() % 10;
float tx = alien->target->x;
float ty = alien->target->y;
int chase = 0; // Chance in 10 of chasing player
int area = 0; // Chance in 10 of moving to an area around the player
int stop = 0; // Chance in 10 of hanging back
int point = 0; // Size of area alien will move into
switch (alien->AIType)
{
case AI_NORMAL:
chase = 3;
point = 6;
stop = 9;
area = 250;
break;
case AI_OFFENSIVE:
chase = 7;
point = 8;
stop = 9;
area = 50;
break;
case AI_DEFENSIVE:
chase = 2;
point = 6;
stop = 8;
area = 300;
break;
case AI_EVASIVE:
chase = 1;
point = 8;
stop = 9;
area = 600;
break;
case AI_WANDER:
chase = -1;
point = 0;
stop = 10;
area = 1200;
break;
}
if (i <= chase)
{
// Chase the target
alien->dx = ((alien->x - tx) / ((300 / alien->speed) + rand() % 100));
alien->dy = ((alien->y - ty) / ((300 / alien->speed) + rand() % 100));
return;
}
else if ((i >= point) && (i <= stop))
{
// Fly to a random point around the target
tx += (rand() % area - (rand() % area * 2));
ty += (rand() % area - (rand() % area * 2));
alien->dx = ((alien->x - tx) / ((300 / alien->speed) + rand() % 100));
alien->dy = ((alien->y - ty) / ((300 / alien->speed) + rand() % 100));
return;
}
else
{
// Hang back
alien->dx = 0;
alien->dy = 0;
return;
}
}
void alien_setKlineAttackMethod(object *alien)
{
if (alien->shield <= 500)
{
setRadioMessage(FACE_KLINE, "ENOUGH!! THIS ENDS NOW!!!", 1);
alien->weaponType[0] = W_AIMED_SHOT;
alien->weaponType[1] = W_MICRO_HOMING_MISSILES;
alien->flags |= FL_CANCLOAK;
alien->chance[0] = 100;
alien->chance[1] = 2;
alien->flags &= ~FL_CANNOTDIE;
}
else if (alien->shield <= 1000)
{
setRadioMessage(FACE_KLINE, "Your ability to stay alive irritates me!! Try dodging some of these!!", 1);
alien->weaponType[0] = W_DIRSHOCKMISSILE;
alien->weaponType[1] = W_DIRSHOCKMISSILE;
alien->chance[0] = 2;
alien->chance[1] = 2;
alien->flags |= FL_AIMS;
}
else
{
setRadioMessage(FACE_KLINE, "Very good, Bainfield. Now let's get a little more serious...", 1);
alien->weaponType[0] = W_SPREADSHOT;
alien->chance[1] = 40;
}
}
/*
This AI is exclusively for Kline.
*/
void alien_setKlineAI(object *alien)
{
// Weapon type change
if ((rand() % 3) == 0)
{
if (currentGame.area != MISN_VENUS)
{
alien->flags &= ~FL_AIMS;
switch(rand() % 2)
{
case 0:
alien->weaponType[0] = W_TRIPLE_SHOT;
break;
case 1:
alien->weaponType[0] = W_AIMED_SHOT;
alien->flags |= FL_AIMS;
break;
}
}
}
alien->flags &= ~(FL_CIRCLES | FL_CONTINUOUS_FIRE | FL_DROPMINES);
switch(rand() % 10)
{
case 0:
if ((alien->weaponType[0] != W_DIRSHOCKMISSILE) &&
(alien->weaponType[1] != W_MICRO_HOMING_MISSILES))
alien->flags |= FL_CONTINUOUS_FIRE;
alien->dx = ((alien->x - alien->target->x) /
((300 / alien->speed) + rand() % 100));
alien->dy = ((alien->y - alien->target->y) /
((300 / alien->speed) + rand() % 100));
break;
case 1:
case 2:
// Kline only attacks then he is ready!
if ((!(alien->flags & FL_NOFIRE)) &&
(currentGame.area == MISN_MOEBO))
alien->flags |= FL_DROPMINES;
break;
case 3:
case 4:
alien->flags |= FL_CIRCLES;
break;
default:
alien_setAI(alien);
break;
}
}
/*
"Looks" for an enemy by picking a randomly active enemy and using them
as a target. If the target is too far away, it will be ignored.
*/
void alien_searchForTarget(object *alien)
{
int i;
if (alien->flags & FL_WEAPCO)
{
i = (rand() % 10);
if (i == 0)
{
alien->target = &player;
return;
}
}
i = rand() % ALIEN_MAX;
object *targetEnemy = &aliens[i];
// Tell Sid not to attack craft that are already disabled or can
// return fire. This will save him from messing about (unless we're on the last mission)
if ((alien->classDef == CD_SID) && (currentGame.area != MISN_EARTH))
{
if ((targetEnemy->flags & FL_DISABLED) || (!(targetEnemy->flags & FL_NOFIRE)))
return;
}
// Tell Phoebe and Ursula not to attack ships that cannot fire or are disabled (unless we're on the last mission)
if (currentGame.area != MISN_EARTH)
{
if ((alien->classDef == CD_PHOEBE) || (alien->classDef == CD_URSULA))
{
// Don't attack the boss or we could be here all day(!)
if (targetEnemy->classDef == CD_BOSS)
return;
if ((targetEnemy->flags & FL_DISABLED) ||
(targetEnemy->flags & FL_NOFIRE))
return;
}
}
if ((targetEnemy->shield < 1) || (!targetEnemy->active))
return;
if ((targetEnemy->flags & FL_WEAPCO) && (alien->flags & FL_WEAPCO))
return;
if ((targetEnemy->flags & FL_FRIEND) && (alien->flags & FL_FRIEND))
return;
if (abs((int)alien->x - (int)alien->target->x) > 550)
return;
if (abs((int)alien->y - (int)alien->target->y) > 400)
return;
alien->target = targetEnemy;
}
/*
Do various checks to see if the alien can fire at the target.
*/
int alien_checkTarget(object *alien)
{
// No target
if (alien->target == alien)
return 0;
// Whilst firing a Ray, no other weapons can be fired!
if (alien->flags & FL_FIRERAY)
return 0;
// The target is on the same side as you!
if ((alien->flags & FL_WEAPCO) && (alien->target->flags & FL_WEAPCO))
return 0;
if ((alien->flags & FL_FRIEND) && (alien->target->flags & FL_FRIEND))
return 0;
// You're facing the wrong way
if ((alien->face == 0) && (alien->target->x < alien->x))
return 0;
if ((alien->face == 1) && (alien->target->x > alien->x))
return 0;
// Slightly more than half a screen away from you
if (abs((int)alien->x - (int)alien->target->x) > 550)
return 0;
if ((alien->flags & FL_AIMS) || (alien->flags & FL_CONTINUOUS_FIRE))
return 1;
// Not at the correct vertical height
if ((alien->y < alien->target->y - 15) ||
(alien->y > alien->target->y + alien->target->image[0]->h + 15))
return 0;
return 1;
}
/*
Currently only used for the allies. Whilst flying around, the allies will fire on
any enemy craft that enter their line of sight.
*/
int alien_enemiesInFront(object *alien)
{
for (int i = 0 ; i < ALIEN_MAX ; i++)
{
if ((alien != &aliens[i]) && (aliens[i].flags & FL_WEAPCO) &&
(aliens[i].shield > 0))
{
if ((alien->y > aliens[i].y - 15) &&
(alien->y < aliens[i].y + aliens[i].image[0]->h + 15))
{
if ((alien->face == 1) && (aliens[i].x < alien->x))
return 1;
if ((alien->face == 0) && (aliens[i].x > alien->x))
return 1;
}
}
}
return 0;
}
void alien_move(object *alien)
{
bool checkCollisions;
if ((alien->flags & FL_LEAVESECTOR) || (alien->shield < 1))
checkCollisions = false;
else
checkCollisions = true;
if (alien->owner == alien)
{
if (alien->flags & FL_CIRCLES)
{
if (alien->face == 0)
{
alien->dx += 0.02;
alien->dy += 0.02;
}
else
{
alien->dx -= 0.02;
alien->dy -= 0.02;
}
alien->x -= (sinf(alien->dx) * 4);
alien->y -= (cosf(alien->dy) * 4);
}
else
{
alien->x -= alien->dx;
alien->y -= alien->dy;
}
}
if (checkCollisions)
{
for (int i = 0 ; i < ALIEN_MAX ; i++)
{
if ((alien->flags & FL_LEAVESECTOR) ||
(alien->classDef == CD_DRONE) ||
(alien->classDef == CD_ASTEROID2) ||
(alien->owner == aliens[i].owner) ||
(alien->owner->owner == aliens[i].owner) ||
(aliens[i].shield < 1))
{
continue;
}
if (collision(alien, &aliens[i]))
{
if ((aliens[i].classDef == CD_BARRIER) &&
(aliens[i].owner != alien))
{
alien->shield--;
alien->hit = 3;
alien->dx *= -1;
alien->dy *= -1;
audio_playSound(SFX_HIT, alien->x);
}
}
}
}
// Handle a collision with the player
if ((player.shield > 0) && (alien->shield > 0) && (checkCollisions))
{
if (collision(alien, &player))
{
if (alien->classDef == CD_ASTEROID)
{
if (!engine.cheatShield)
player.shield -= alien->shield;
alien->shield = 0;
audio_playSound(SFX_EXPLOSION, alien->x);
setInfoLine("Warning: Asteroid Collision Damage!!", FONT_RED);
player.hit = 5;
audio_playSound(SFX_HIT, player.x);
}
if (alien->classDef == CD_ASTEROID2)
{
if (!engine.cheatShield)
player.shield -= alien->shield;
alien->shield = 0;
audio_playSound(SFX_EXPLOSION, alien->x);
setInfoLine("Warning: Asteroid Collision Damage!!", FONT_RED);
player.hit = 5;
audio_playSound(SFX_HIT, player.x);
}
if (alien->classDef == CD_BARRIER)
{
if (!engine.cheatShield)
player.shield--;
player.hit = 5;
audio_playSound(SFX_HIT, player.x);
}
}
}
}
/*
Fill in later...
*/
void alien_destroy(object *alien, object *attacker)
{
audio_playSound(SFX_EXPLOSION, alien->x);
if (alien->flags & FL_FRIEND)
{
if (alien->classDef == CD_PHOEBE)
currentGame.wingMate1Ejects++;
else if (alien->classDef == CD_URSULA)
currentGame.wingMate2Ejects++;
// Phoebe cannot eject on the rescue mission
if (currentGame.area != MISN_NEROD)
{
if ((alien->classDef == CD_PHOEBE) || (alien->classDef == CD_URSULA))
setInfoLine(">> Ally has ejected! <<\n", FONT_RED);
else
setInfoLine(">> Friendly craft has been destroyed!! <<\n", FONT_RED);
}
}
if (attacker != NULL)
{
if (attacker == &player)
{
currentGame.totalKills++;
}
else if (attacker->classDef == CD_PHOEBE)
{
currentGame.wingMate1Kills++;
}
else if (attacker->classDef == CD_URSULA)
{
currentGame.wingMate2Kills++;
}
else
{
currentGame.totalOtherKills++;
}
if ((attacker->classDef == CD_PHOEBE) || (attacker->classDef == CD_URSULA))
{
if ((rand() % 8) == 0)
{
getKillMessage(attacker);
}
}
}
updateMissionRequirements(M_DESTROY_TARGET_TYPE, alien->classDef, 1);
updateMissionRequirements(M_PROTECT_TARGET, alien->classDef, 1);
if (rand() % 100 <= alien->collectChance)
{
unsigned char value;
if ((rand() % 10) == 0)
alien->collectValue *= 2;
while (alien->collectValue > 0)
{
value = (10 + (rand() % alien->collectValue));
if (value > alien->collectValue)
value = alien->collectValue;
addCollectable(alien->x, alien->y, alien->collectType, value, 600);
alien->collectValue -= value;
}
}
// Make it explode immediately
if (alien->classDef == CD_ASTEROID)
{
alien->shield = -999;
}
if ((alien->classDef == CD_KRASS) && (attacker == &player))
setRadioMessage(FACE_CHRIS, "My NAME is CHRIS!!!!!!!!", 1);
if (alien->classDef == CD_KLINE)
{
setRadioMessage(FACE_KLINE, "It was an honor... to have fought you...", 1);
alien->dx = alien->dy = 0;
alien->shield = -150;
}
}
void alien_hurt(object *alien, object *attacker, int damage, bool ion)
{
if (ion)
alien->systemPower -= damage;
else
alien->shield -= damage;
// Chain reaction damage if needed
if (alien->flags & FL_DAMAGEOWNER)
{
alien_hurt(alien->owner, attacker, damage, ion);
}
if (alien->classDef == CD_KLINE)
{
if (currentGame.area == MISN_ELAMALE)
{
if ((alien->shield <= alien->maxShield - 500) &&
!(alien->flags & FL_LEAVESECTOR))
{
alien->flags |= FL_LEAVESECTOR;
alien->flags &= ~FL_CIRCLES;
setRadioMessage(FACE_KLINE, "Seems I underestimated you, Bainfield. We'll meet again!", 1);
}
}
else if (currentGame.area == MISN_EARTH)
{
if ((alien->shield <= alien->maxShield - 750) &&
!(alien->flags & FL_LEAVESECTOR))
{
alien->flags |= FL_LEAVESECTOR;
alien->flags &= ~FL_CIRCLES;
setRadioMessage(FACE_SID, "Chris, Kethlan is getting away!", 1);
}
}
else if (currentGame.area == MISN_VENUS)
{
if (alien->shield + damage > 1500 &&
alien->shield <= 1500)
alien_setKlineAttackMethod(alien);
else if (alien->shield + damage > 1000 &&
alien->shield <= 1000)
alien_setKlineAttackMethod(alien);
else if (alien->shield + damage > 500 &&
alien->shield <= 500)
alien_setKlineAttackMethod(alien);
}
else
{
if ((alien->shield <= alien->maxShield - 100) &&
!(alien->flags & FL_LEAVESECTOR))
{
alien->flags |= FL_LEAVESECTOR;
alien->flags &= ~FL_CIRCLES;
}
}
}
if ((alien->flags & FL_RUNSAWAY) && ((rand() % 50) == 0))
{
alien->flags |= FL_LEAVESECTOR;
}
audio_playSound(SFX_HIT, alien->x);
if (alien->AIType == AI_EVASIVE)
alien->thinktime = 0;
if (alien->shield < 1)
alien_destroy(alien, attacker);
if (alien->systemPower < 1)
{
if (!(alien->flags & FL_DISABLED))
{
alien->flags += FL_DISABLED;
updateMissionRequirements(M_DISABLE_TARGET,
alien->classDef, 1);
}
alien->systemPower = 0;
if (alien->classDef == CD_KLINE)
alien->systemPower = alien->maxShield;
}
}