Moved Stars45 to StarsEx

1 files changed, 0 insertions, 821 deletions

diff --git a/Stars45/StarshipAI.cpp b/Stars45/StarshipAI.cpp
deleted file mode 100644
index 69abdae..0000000
--- a/Stars45/StarshipAI.cpp
+++ /dev/null
@@ -1,821 +0,0 @@
-/*  Starshatter: The Open Source Project
-    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
-    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
-    Copyright (c) 1997-2006, Destroyer Studios LLC.
-
-    AUTHOR:       John DiCamillo
-
-
-    OVERVIEW
-    ========
-    Starship (low-level) Artificial Intelligence class
-*/
-
-#include "StarshipAI.h"
-#include "StarshipTacticalAI.h"
-#include "Ship.h"
-#include "ShipDesign.h"
-#include "Element.h"
-#include "Mission.h"
-#include "Instruction.h"
-#include "RadioMessage.h"
-#include "Contact.h"
-#include "WeaponGroup.h"
-#include "Drive.h"
-#include "Sim.h"
-#include "StarSystem.h"
-#include "FlightComp.h"
-#include "Farcaster.h"
-#include "QuantumDrive.h"
-
-#include "Clock.h"
-#include "ContentBundle.h"
-#include "Random.h"
-
-// +----------------------------------------------------------------------+
-
-StarshipAI::StarshipAI(SimObject* s)
-: ShipAI(s), sub_select_time(0), subtarget(0), tgt_point_defense(false)
-{
-    ai_type = STARSHIP;
-
-    // signifies this ship is a dead hulk:
-    if (ship && ship->Design()->auto_roll < 0) {
-        Point torque(rand()-16000, rand()-16000, rand()-16000);
-        torque.Normalize();
-        torque *= ship->Mass() / 10;
-
-        ship->SetFLCSMode(0);
-        if (ship->GetFLCS())
-        ship->GetFLCS()->PowerOff();
-
-        ship->ApplyTorque(torque);
-        ship->SetVelocity(RandomDirection() * Random(20, 50));
-
-        for (int i = 0; i < 64; i++) {
-            Weapon* w = ship->GetWeaponByIndex(i+1);
-            if (w)
-            w->DrainPower(0);
-            else
-            break;
-        }
-    }
-
-    else {
-        tactical = new StarshipTacticalAI(this);
-    }
-
-    sub_select_time      = Clock::GetInstance()->GameTime() + (DWORD) Random(0, 2000);
-    point_defense_time   = sub_select_time;
-}
-
-
-// +--------------------------------------------------------------------+
-
-StarshipAI::~StarshipAI()
-{ }
-
-// +--------------------------------------------------------------------+
-
-void
-StarshipAI::FindObjective()
-{
-    distance = 0;
-
-    int   order = ship->GetRadioOrders()->Action();
-
-    if (order == RadioMessage::QUANTUM_TO ||
-            order == RadioMessage::FARCAST_TO) {
-
-        FindObjectiveQuantum();
-        objective = Transform(obj_w);
-        return;
-    }
-
-    bool  hold  = order == RadioMessage::WEP_HOLD ||
-    order == RadioMessage::FORM_UP;
-
-    bool  form  = hold                  ||
-    (!order && !target)   ||
-    (farcaster);
-
-    // if not the element leader, stay in formation:
-    if (form && element_index > 1) {
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.formation"));
-
-        if (navpt && navpt->Action() == Instruction::LAUNCH) {
-            FindObjectiveNavPoint();
-        }
-        else {
-            navpt = 0;
-            FindObjectiveFormation();
-        }
-
-        // transform into camera coords:
-        objective = Transform(obj_w);
-        return;
-    }
-
-    // under orders?
-    bool   directed      = false;
-    double threat_level  = 0;
-    double support_level = 1;
-    Ship*  ward          = ship->GetWard();
-
-    if (tactical) {
-        directed      = (tactical->RulesOfEngagement() == TacticalAI::DIRECTED);
-        threat_level  = tactical->ThreatLevel();
-        support_level = tactical->SupportLevel();
-    }
-
-    // threat processing:
-    if (hold || !directed && threat_level >= 2*support_level) {
-
-        // seek support:
-        if (support) {
-            double d_support = Point(support->Location() - ship->Location()).length();
-            if (d_support > 35e3) {
-                ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.regroup"));
-                FindObjectiveTarget(support);
-                objective = Transform(obj_w);
-                return;
-            }
-        }
-
-        // run away:
-        else if (threat && threat != target) {
-            ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.retreat"));
-            obj_w = ship->Location() + Point(ship->Location() - threat->Location()) * 100;
-            objective = Transform(obj_w);
-            return;
-        }
-    }
-
-    // weapons hold:
-    if (hold) {
-        if (navpt) {
-            ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.seek-navpt"));
-            FindObjectiveNavPoint();
-        }
-
-        else if (patrol) {
-            ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.patrol"));
-            FindObjectivePatrol();
-        }
-
-        else {
-            ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.holding"));
-            objective = Point();
-        }
-    }
-
-    // normal processing:
-    else if (target) {
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.seek-target"));
-        FindObjectiveTarget(target);
-    }
-
-    else if (patrol) {
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.patrol"));
-        FindObjectivePatrol();
-    }
-
-    else if (ward) {
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.seek-ward"));
-        FindObjectiveFormation();
-    }
-
-    else if (navpt) {
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.seek-navpt"));
-        FindObjectiveNavPoint();
-    }
-
-    else if (rumor) {
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.search"));
-        FindObjectiveTarget(rumor);
-    }
-
-    else {
-        objective = Point();
-    }
-
-    // transform into camera coords:
-    objective = Transform(obj_w);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarshipAI::Navigator()
-{
-    // signifies this ship is a dead hulk:
-    if (ship && ship->Design()->auto_roll < 0) {
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.dead"));
-        return;
-    }
-
-    accumulator.Clear();
-    magnitude = 0;
-
-    hold = false;
-    if ((ship->GetElement() && ship->GetElement()->GetHoldTime() > 0) ||
-            (navpt && navpt->Status() == Instruction::COMPLETE && navpt->HoldTime() > 0))
-    hold = true;
-
-    ship->SetFLCSMode(Ship::FLCS_HELM);
-
-    if (!ship->GetDirectorInfo()) {
-        if (target)
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.seek-target"));
-        else if (ship->GetWard())
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.seek-ward"));
-        else
-        ship->SetDirectorInfo(ContentBundle::GetInstance()->GetText("ai.patrol"));
-    }
-
-    if (farcaster && distance < 25e3) {
-        accumulator = SeekTarget();
-    }
-    else {
-        accumulator = AvoidCollision();
-
-        if (!other && !hold)
-        accumulator = SeekTarget();
-    }
-
-    HelmControl();
-    ThrottleControl();
-    FireControl();
-    AdjustDefenses();
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarshipAI::HelmControl()
-{
-    // signifies this ship is a dead hulk:
-    if (ship && ship->Design()->auto_roll < 0) {
-        return;
-    }
-
-    double trans_x          = 0;
-    double trans_y          = 0;
-    double trans_z          = 0;
-
-    bool   station_keeping  = distance < 0;
-
-    if (station_keeping) {
-        accumulator.brake = 1;
-        accumulator.stop  = 1;
-
-        ship->SetHelmPitch(0);
-    }
-
-    else {
-        Element* elem = ship->GetElement();
-
-        Ship* ward     = ship->GetWard();
-        Ship* s_threat = 0;
-        if (threat && threat->Class() >= ship->Class())
-        s_threat = threat;
-
-        if (other || target || ward || s_threat || navpt || patrol || farcaster || element_index > 1) {
-            ship->SetHelmHeading(accumulator.yaw);
-
-            if (elem->Type() == Mission::FLIGHT_OPS) {
-                ship->SetHelmPitch(0);
-
-                if (ship->NumInbound() > 0) {
-                    ship->SetHelmHeading(ship->CompassHeading());
-                }
-            }
-
-            else if (accumulator.pitch > 60*DEGREES) {
-                ship->SetHelmPitch(60*DEGREES);
-            }
-
-            else if (accumulator.pitch < -60*DEGREES) {
-                ship->SetHelmPitch(-60*DEGREES);
-            }
-
-            else {
-                ship->SetHelmPitch(accumulator.pitch);
-            }
-
-        }
-        else {
-            ship->SetHelmPitch(0);
-        }
-    }
-
-    ship->SetTransX(trans_x);
-    ship->SetTransY(trans_y);
-    ship->SetTransZ(trans_z);
-
-    ship->ExecFLCSFrame();
-}
-
-void
-StarshipAI::ThrottleControl()
-{
-    // signifies this ship is a dead hulk:
-    if (ship && ship->Design()->auto_roll < 0) {
-        return;
-    }
-
-    // station keeping:
-
-    if (distance < 0) {
-        old_throttle = 0;
-        throttle     = 0;
-
-        ship->SetThrottle(0);
-
-        if (ship->GetFLCS())
-        ship->GetFLCS()->FullStop();
-
-        return;
-    }
-
-    // normal throttle processing:
-
-    double   ship_speed  = ship->Velocity() * ship->Heading();
-    double   brakes      = 0;
-    Ship*    ward        = ship->GetWard();
-    Ship*    s_threat    = 0;
-
-    if (threat && threat->Class() >= ship->Class())
-    s_threat = threat;
-
-    if (target || s_threat) {  // target pursuit, or retreat
-        throttle = 100;
-
-        if (target && distance < 50e3) {
-            double closing_speed = ship_speed;
-
-            if (target) {
-                Point delta = target->Location() - ship->Location();
-                delta.Normalize();
-
-                closing_speed = ship->Velocity() * delta;
-            }
-
-            if (closing_speed > 300) {
-                throttle = 30;
-                brakes   = 0.25;
-            }
-        }
-
-        throttle *= (1 - accumulator.brake);
-
-        if (throttle < 1 && ship->GetFLCS() != 0)
-        ship->GetFLCS()->FullStop();
-    }
-
-    else if (ward) {           // escort, match speed of ward
-        double speed = ward->Velocity().length();
-        throttle = old_throttle;
-
-        if (speed == 0) {
-            double d = (ship->Location() - ward->Location()).length();
-
-            if (d > 30e3)
-            speed = (d - 30e3) / 100;
-        }
-
-        if (speed > 0) {
-            if (ship_speed > speed) {
-                throttle = old_throttle - 1;
-                brakes   = 0.2;
-            }
-            else if (ship_speed < speed - 10) {
-                throttle =  old_throttle + 1;
-            }
-        }
-        else {
-            throttle = 0;
-            brakes   = 0.5;
-        }
-    }
-
-    else if (patrol || farcaster) {  // seek patrol point
-        throttle = 100;
-
-        if (distance < 10 * ship_speed) {
-            if (ship->Velocity().length() > 200)
-            throttle = 5;
-            else
-            throttle = 50;
-        }
-    }
-
-    else if (navpt) {          // lead only, get speed from navpt
-        double speed = navpt->Speed();
-        throttle = old_throttle;
-
-        if (hold) {
-            throttle = 0;
-            brakes   = 1;
-        }
-
-        else {
-            if (speed <= 0)
-            speed = 300;
-
-            if (ship_speed > speed) {
-                if (throttle > 0 && old_throttle > 1)
-                throttle = old_throttle - 1;
-
-                brakes   = 0.25;
-            }
-            else if (ship_speed < speed - 10) {
-                throttle =  old_throttle + 1;
-            }
-        }
-    }
-
-    else if (element_index > 1) { // wingman
-        Ship*  lead = ship->GetElement()->GetShip(1);
-        double lv = lead->Velocity().length();
-        double sv = ship_speed;
-        double dv = lv-sv;
-        double dt = 0;
-
-        if (dv > 0)       dt = dv * 1e-2 * seconds;
-        else if (dv < 0)  dt = dv * 1e-2 * seconds;
-
-        throttle = old_throttle + dt;
-    }
-
-    else {
-        throttle = 0;
-    }
-
-    old_throttle = throttle;
-    ship->SetThrottle(throttle);
-
-    if (ship_speed > 1 && brakes > 0)
-    ship->SetTransY(-brakes * ship->Design()->trans_y);
-
-    else if (throttle > 10 && (ship->GetEMCON() < 2 || ship->GetFuelLevel() < 10))
-    ship->SetTransY(ship->Design()->trans_y);
-}
-
-// +--------------------------------------------------------------------+
-
-Steer
-StarshipAI::SeekTarget()
-{
-    if (navpt) {
-        SimRegion*     self_rgn = ship->GetRegion();
-        SimRegion*     nav_rgn  = navpt->Region();
-        QuantumDrive*  qdrive   = ship->GetQuantumDrive();
-
-        if (self_rgn && !nav_rgn) {
-            nav_rgn = self_rgn;
-            navpt->SetRegion(nav_rgn);
-        }
-
-        bool use_farcaster      = self_rgn != nav_rgn &&
-        (navpt->Farcast() ||
-        !qdrive ||
-        !qdrive->IsPowerOn() ||
-        qdrive->Status() < System::DEGRADED
-        );
-
-        if (use_farcaster) {
-            if (!farcaster) {
-                ListIter<Ship> s = self_rgn->Ships();
-                while (++s && !farcaster) {
-                    if (s->GetFarcaster()) {
-                        const Ship* dest = s->GetFarcaster()->GetDest();
-                        if (dest && dest->GetRegion() == nav_rgn) {
-                            farcaster = s->GetFarcaster();
-                        }
-                    }
-                }
-            }
-
-            if (farcaster) {
-                if (farcaster->GetShip()->GetRegion() != self_rgn)
-                farcaster = farcaster->GetDest()->GetFarcaster();
-
-                obj_w = farcaster->EndPoint();
-                distance = Point(obj_w - ship->Location()).length();
-
-                if (distance < 1000)
-                farcaster = 0;
-            }
-        }
-        else if (self_rgn != nav_rgn) {
-            QuantumDrive* q = ship->GetQuantumDrive();
-
-            if (q) {
-                if (q->ActiveState() == QuantumDrive::ACTIVE_READY) {
-                    q->SetDestination(navpt->Region(), navpt->Location());
-                    q->Engage();
-                }
-            }
-        }
-    }
-
-    return ShipAI::SeekTarget();
-}
-
-// +--------------------------------------------------------------------+
-
-Steer
-StarshipAI::AvoidCollision()
-{
-    if (!ship || ship->Velocity().length() < 25)
-    return Steer();
-
-    return ShipAI::AvoidCollision();
-}
-
-// +--------------------------------------------------------------------+
-
-void
-StarshipAI::FireControl()
-{
-    // identify unknown contacts:
-    if (identify) {
-        if (fabs(ship->GetHelmHeading() - ship->CompassHeading()) < 10*DEGREES) {
-            Contact* contact = ship->FindContact(target);
-
-            if (contact && !contact->ActLock()) {
-                if (!ship->GetProbe()) {
-                    ship->LaunchProbe();
-                }
-            }
-        }
-
-        return;
-    }
-
-    // investigate last known location of enemy ship:
-    if (rumor && !target && ship->GetProbeLauncher() && !ship->GetProbe()) {
-        // is rumor in basket?
-        Point rmr = Transform(rumor->Location());
-        rmr.Normalize();
-
-        double dx = fabs(rmr.x);
-        double dy = fabs(rmr.y);
-
-        if (dx < 10*DEGREES && dy < 10*DEGREES && rmr.z > 0) {
-            ship->LaunchProbe();
-        }
-    }
-
-    // Corvettes and Frigates are anti-air platforms.  They need to
-    // target missile threats even when the threat is aimed at another
-    // friendly ship.  Forward facing weapons must be on auto fire,
-    // while lateral and aft facing weapons are set to point defense.
-
-    if (ship->Class() == Ship::CORVETTE || ship->Class() == Ship::FRIGATE) {
-        ListIter<WeaponGroup> iter = ship->Weapons();
-        while (++iter) {
-            WeaponGroup* group = iter.value();
-
-            ListIter<Weapon> w_iter = group->GetWeapons();
-            while (++w_iter) {
-                Weapon* weapon = w_iter.value();
-
-                double az = weapon->GetAzimuth();
-                if (fabs(az) < 45*DEGREES) {
-                    weapon->SetFiringOrders(Weapon::AUTO);
-                    weapon->SetTarget(target, 0);
-                }
-
-                else {
-                    weapon->SetFiringOrders(Weapon::POINT_DEFENSE);
-                }
-            }
-        }
-    }
-
-    // All other starships are free to engage ship targets.  Weapon
-    // fire control is managed by the type of weapon.
-
-    else {
-        System* subtgt = SelectSubtarget();
-
-        ListIter<WeaponGroup> iter = ship->Weapons();
-        while (++iter) {
-            WeaponGroup* weapon = iter.value();
-
-            if (weapon->GetDesign()->target_type & Ship::DROPSHIPS) {   // anti-air weapon?
-                weapon->SetFiringOrders(Weapon::POINT_DEFENSE);
-            }
-            else if (weapon->IsDrone()) {                               // torpedoes
-                weapon->SetFiringOrders(Weapon::MANUAL);
-                weapon->SetTarget(target, 0);
-
-                if (target && target->GetRegion() == ship->GetRegion()) {
-                    Point  delta = target->Location() - ship->Location();
-                    double range = delta.length();
-
-                    if (range < weapon->GetDesign()->max_range * 0.9 &&
-                            !AssessTargetPointDefense())
-                    weapon->SetFiringOrders(Weapon::AUTO);
-
-                    else if (range < weapon->GetDesign()->max_range * 0.5)
-                    weapon->SetFiringOrders(Weapon::AUTO);
-                }
-            }
-            else {                                                      // anti-ship weapon
-                weapon->SetFiringOrders(Weapon::AUTO);
-                weapon->SetTarget(target, subtgt);
-                weapon->SetSweep(subtgt ? Weapon::SWEEP_NONE : Weapon::SWEEP_TIGHT);
-            }
-        }
-    }
-}
-
-// +--------------------------------------------------------------------+
-
-System*
-StarshipAI::SelectSubtarget()
-{
-    if (Clock::GetInstance()->GameTime() - sub_select_time < 2345)
-    return subtarget;
-
-    subtarget = 0;
-
-    if (!target || target->Type() != SimObject::SIM_SHIP || GetAILevel() < 1)
-    return subtarget;
-
-    Ship* tgt_ship = (Ship*) target;
-
-    if (!tgt_ship->IsStarship())
-    return subtarget;
-
-    Weapon*  subtgt = 0;
-    double   dist   = 50e3;
-    Point    svec   = ship->Location() - tgt_ship->Location();
-
-    sub_select_time = Clock::GetInstance()->GameTime();
-
-    // first pass: turrets
-    ListIter<WeaponGroup> g_iter = tgt_ship->Weapons();
-    while (++g_iter) {
-        WeaponGroup* g = g_iter.value();
-
-        if (g->GetDesign() && g->GetDesign()->turret_model) {
-            ListIter<Weapon> w_iter = g->GetWeapons();
-            while (++w_iter) {
-                Weapon*  w     = w_iter.value();
-
-                if (w->Availability() < 35)
-                continue;
-
-                if (w->GetAimVector() * svec < 0)
-                continue;
-
-                if (w->GetTurret()) {
-                    Point    tloc  = w->GetTurret()->Location();
-                    Point    delta = tloc - ship->Location();
-                    double   dlen  = delta.length();
-
-                    if (dlen < dist) {
-                        subtgt = w;
-                        dist   = dlen;
-                    }
-                }
-            }
-        }
-    }
-
-    // second pass: major weapons
-    if (!subtgt) {
-        g_iter.reset();
-        while (++g_iter) {
-            WeaponGroup* g = g_iter.value();
-
-            if (g->GetDesign() && !g->GetDesign()->turret_model) {
-                ListIter<Weapon> w_iter = g->GetWeapons();
-                while (++w_iter) {
-                    Weapon*  w     = w_iter.value();
-
-                    if (w->Availability() < 35)
-                    continue;
-
-                    if (w->GetAimVector() * svec < 0)
-                    continue;
-
-                    Point    tloc  = w->MountLocation();
-                    Point    delta = tloc - ship->Location();
-                    double   dlen  = delta.length();
-
-                    if (dlen < dist) {
-                        subtgt = w;
-                        dist   = dlen;
-                    }
-                }
-            }
-        }
-    }
-
-    subtarget = subtgt;
-    return subtarget;
-}
-
-// +--------------------------------------------------------------------+
-
-bool
-StarshipAI::AssessTargetPointDefense()
-{
-    if (Clock::GetInstance()->GameTime() - point_defense_time < 3500)
-    return tgt_point_defense;
-
-    tgt_point_defense = false;
-
-    if (!target || target->Type() != SimObject::SIM_SHIP || GetAILevel() < 2)
-    return tgt_point_defense;
-
-    Ship* tgt_ship = (Ship*) target;
-
-    if (!tgt_ship->IsStarship())
-    return tgt_point_defense;
-
-    Weapon*  subtgt = 0;
-    Point    svec   = ship->Location() - tgt_ship->Location();
-
-    point_defense_time = Clock::GetInstance()->GameTime();
-
-    // first pass: turrets
-    ListIter<WeaponGroup> g_iter = tgt_ship->Weapons();
-    while (++g_iter && !tgt_point_defense) {
-        WeaponGroup* g = g_iter.value();
-
-        if (g->CanTarget(1)) {
-            ListIter<Weapon> w_iter = g->GetWeapons();
-            while (++w_iter && !tgt_point_defense) {
-                Weapon* w = w_iter.value();
-
-                if (w->Availability() > 35 && w->GetAimVector() * svec > 0)
-                tgt_point_defense = true;
-            }
-        }
-    }
-
-    return tgt_point_defense;
-}
-
-
-// +--------------------------------------------------------------------+
-
-Point
-StarshipAI::Transform(const Point& point)
-{
-    return point - self->Location();
-}
-
-Steer
-StarshipAI::Seek(const Point& point)
-{
-    // the point is in relative world coordinates
-    //   x: distance east(-)  / west(+)
-    //   y: altitude down(-)  / up(+)
-    //   z: distance north(-) / south(+)
-
-    Steer result;
-
-    result.yaw   = atan2(point.x, point.z) + PI;
-
-    double adjacent = sqrt(point.x*point.x + point.z*point.z);
-    if (fabs(point.y) > ship->Radius() && adjacent > ship->Radius())
-    result.pitch = atan(point.y / adjacent);
-
-    if (!_finite(result.yaw))
-    result.yaw = 0;
-
-    if (!_finite(result.pitch))
-    result.pitch = 0;
-
-    return result;
-}
-
-Steer
-StarshipAI::Flee(const Point& point)
-{
-    Steer result = Seek(point);
-    result.yaw += PI;
-    return result;
-}
-
-Steer
-StarshipAI::Avoid(const Point& point, float radius)
-{
-    Steer result = Seek(point);
-
-    if (point * ship->BeamLine() > 0)
-    result.yaw -= PI/2;
-    else
-    result.yaw += PI/2;
-
-    return result;
-}
-
-