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-rw-r--r--Stars45/CameraDirector.cpp1194
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diff --git a/Stars45/CameraDirector.cpp b/Stars45/CameraDirector.cpp
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--- a/Stars45/CameraDirector.cpp
+++ /dev/null
@@ -1,1194 +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
- ========
- Camera Director singleton manages the main view camera based on the current ship
-*/
-
-#include "CameraDirector.h"
-#include "Ship.h"
-#include "FlightDeck.h"
-#include "Contact.h"
-#include "Sim.h"
-#include "StarSystem.h"
-#include "Terrain.h"
-#include "HUDView.h"
-#include "DetailSet.h"
-#include "Starshatter.h"
-
-#include "Game.h"
-
-// +----------------------------------------------------------------------+
-
-CameraDirector* CameraDirector::instance = 0;
-
-static double range_max_limit = 300e3;
-
-// +----------------------------------------------------------------------+
-
-CameraDirector*
-CameraDirector::GetInstance()
-{
- if (!instance)
- instance = new CameraDirector;
-
- return instance;
-}
-
-// +----------------------------------------------------------------------+
-
-CameraDirector::CameraDirector()
- : mode(MODE_COCKPIT), requested_mode(MODE_NONE), old_mode(MODE_NONE),
- sim(0), ship(0), region(0), external_ship(0), external_body(0),
- virt_az(0), virt_el(0), virt_x(0), virt_y(0), virt_z(0),
- azimuth(PI/4), elevation(PI/4), az_rate(0), el_rate(0), range_rate(0),
- range(0), range_min(100), range_max(range_max_limit),
- base_range(0), transition(0), hud(0)
-{
- instance = this;
-}
-
-// +--------------------------------------------------------------------+
-
-CameraDirector::~CameraDirector()
-{
- if (instance == this)
- instance = 0;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Reset()
-{
- mode = MODE_COCKPIT;
- requested_mode = MODE_NONE;
- old_mode = MODE_NONE;
-
- sim = 0;
- ship = 0;
- region = 0;
- external_ship = 0;
- external_body = 0;
- transition = 0;
- hud = 0;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::SetShip(Ship* s)
-{
- sim = Sim::GetSim();
- hud = HUDView::GetInstance();
-
- // can't take control of a dead ship:
- if (s && (s->Life() == 0 || s->IsDying() || s->IsDead()))
- return;
-
- // leaving the old ship, so make sure it is visible:
- if (ship && ship != s) {
- ship->ShowRep();
- ship->HideCockpit();
- }
-
- // taking control of the new ship:
- ship = s;
-
- if (ship) {
- Observe(ship);
- region = ship->GetRegion();
-
- if (sim && ship->GetRegion() != sim->GetActiveRegion())
- sim->ActivateRegion(ship->GetRegion());
-
- range = ship->Radius() * 4;
-
- if (mode == MODE_COCKPIT)
- mode = MODE_CHASE;
-
- SetMode(MODE_COCKPIT);
- ExecFrame(0);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::SetMode(int m, double t)
-{
- if (requested_mode == m)
- return;
-
- external_point = Point();
-
- // save current mode for after transition:
- if (m == MODE_DROP && mode != MODE_DROP)
- old_mode = mode;
-
- // if manually leaving drop mode, forget about
- // restoring the previous mode when the drop
- // expires...
- else if (m != MODE_DROP && mode == MODE_DROP)
- old_mode = MODE_NONE;
-
- if (m == MODE_VIRTUAL && ship && !ship->Cockpit())
- return;
-
- if (mode == m) {
- if (mode == MODE_TARGET || mode == MODE_ORBIT)
- CycleViewObject();
-
- return;
- }
-
- if (m > MODE_NONE && m < MODE_LAST) {
- if (m <= MODE_VIRTUAL) {
- requested_mode = m;
- transition = t;
- external_ship = 0;
- ClearGroup();
-
- // no easy way to do a smooth transition between
- // certain modes, so just go immediately:
- if ((mode == MODE_TARGET && m == MODE_CHASE) ||
- (mode == MODE_COCKPIT && m == MODE_VIRTUAL) ||
- (mode == MODE_VIRTUAL && m == MODE_COCKPIT))
- {
- mode = m;
- requested_mode = 0;
- transition = 0;
- }
- }
-
- else if (m == MODE_TRANSLATE || m == MODE_ZOOM) {
- requested_mode = m;
- transition = t;
- base_range = range;
- }
-
- else if (m >= MODE_DOCKING) {
- mode = m;
- transition = 0;
- external_ship = 0;
- ClearGroup();
- }
-
- virt_az = 0;
- virt_el = 0;
- virt_x = 0;
- virt_y = 0;
- virt_z = 0;
- }
-}
-
-// +--------------------------------------------------------------------+
-
-static const char* get_camera_mode_name(int m)
-{
- switch (m) {
- default:
- case CameraDirector::MODE_NONE: return ""; break;
- case CameraDirector::MODE_COCKPIT: return ""; break;
- case CameraDirector::MODE_CHASE: return "Chase Cam"; break;
- case CameraDirector::MODE_TARGET: return "Padlock"; break;
- case CameraDirector::MODE_THREAT: return "Threatlock"; break;
- case CameraDirector::MODE_VIRTUAL: return "Virtual"; break;
- case CameraDirector::MODE_ORBIT:
- case CameraDirector::MODE_TRANSLATE:
- case CameraDirector::MODE_ZOOM: return "Orbit Cam"; break;
- case CameraDirector::MODE_DOCKING: return "Dock Cam"; break;
- case CameraDirector::MODE_DROP: return ""; break;
- }
-}
-
-const char*
-CameraDirector::GetModeName()
-{
- int m = GetCameraMode();
-
- if (m != CameraDirector::MODE_VIRTUAL) {
- return get_camera_mode_name(m);
- }
- else if (instance) {
- if (instance->virt_az > 30*DEGREES && instance->virt_az < 100*DEGREES)
- return "RIGHT";
-
- else if (instance->virt_az >= 100*DEGREES)
- return "RIGHT-AFT";
-
- else if (instance->virt_az < -30*DEGREES && instance->virt_az > -100*DEGREES)
- return "LEFT";
-
- else if (instance->virt_az <= -100*DEGREES)
- return "LEFT-AFT";
-
- else if (instance->virt_el > 15*DEGREES)
- return "UP";
-
- else if (instance->virt_el < -15*DEGREES)
- return "DOWN";
-
- return get_camera_mode_name(m);
- }
-
- return "";
-}
-
-int
-CameraDirector::GetCameraMode()
-{
- if (instance) {
- int op_mode = instance->mode;
- if (instance->requested_mode > instance->mode)
- op_mode = instance->requested_mode;
- return op_mode;
- }
-
- return 0;
-}
-
-void
-CameraDirector::SetCameraMode(int m, double t)
-{
- if (instance)
- instance->SetMode(m, t);
-}
-
-// +--------------------------------------------------------------------+
-
-double
-CameraDirector::GetRangeLimit()
-{
- return range_max_limit;
-}
-
-void
-CameraDirector::SetRangeLimit(double r)
-{
- if (r >= 1e3)
- range_max_limit = r;
-}
-
-void
-CameraDirector::SetRangeLimits(double min, double max)
-{
- if (instance) {
- instance->range_min = min;
- instance->range_max = max;
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::ClearGroup()
-{
- external_group.clear();
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::CycleViewObject()
-{
- if (!ship) return;
-
- Ship* current = external_ship;
- external_ship = 0;
-
- ListIter<Contact> iter = ship->ContactList();
- while (++iter && !external_ship) {
- Contact* c = iter.value();
- Ship* c_ship = c->GetShip();
-
- if (c_ship && !current) {
- external_ship = c_ship;
- }
-
- else if (current && c_ship == current) {
- while (++iter && !external_ship) {
- c = iter.value();
- if (c->ActLock())
- external_ship = c->GetShip();
- }
- }
- }
-
- if (external_ship != current) {
- if (external_ship) {
- if (external_ship->Life() == 0 || external_ship->IsDying() || external_ship->IsDead()) {
- external_point = external_ship->Location();
- external_ship = 0;
- }
- else {
- Observe(external_ship);
- }
- }
-
- if (mode == MODE_ORBIT) {
- SetMode(MODE_TRANSLATE);
- ExternalRange(1);
- }
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::SetViewOrbital(Orbital* orb)
-{
- external_body = orb;
-
- if (external_body) {
- range_min = external_body->Radius() * 2.5;
- ClearGroup();
- external_ship = 0;
-
- if (sim) {
- region = sim->FindNearestSpaceRegion(orb);
- if (region)
- sim->ActivateRegion(region);
- }
-
- if (ship && !region)
- region = ship->GetRegion();
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::SetViewObject(Ship* obj, bool quick)
-{
- if (!ship) return;
- if (!obj) {
- obj = ship;
- region = ship->GetRegion();
- }
-
- external_body = 0;
- external_point = Point();
-
- Starshatter* stars = Starshatter::GetInstance();
-
- if (obj->GetIFF() != ship->GetIFF() && !stars->InCutscene()) {
- // only view solid contacts:
- Contact* c = ship->FindContact(obj);
- if (!c || !c->ActLock())
- return;
- }
-
- if (mode == MODE_TARGET) {
- ClearGroup();
- if (external_ship) {
- external_ship = 0;
- }
- }
- else if (mode >= MODE_ORBIT) {
- if (quick) {
- mode = MODE_ORBIT;
- transition = 0;
- }
- else {
- SetMode(MODE_TRANSLATE);
- }
-
- if (external_group.size()) {
- ClearGroup();
-
- if (external_ship) {
- external_ship = 0;
- }
- }
-
- else {
- if ((obj == external_ship) || (obj==ship && external_ship==0)) {
- if (!quick)
- SetMode(MODE_ZOOM);
- }
-
- else if (external_ship) {
- external_ship = 0;
- }
- }
- }
-
- if (external_ship != obj) {
- external_ship = obj;
-
- if (external_ship) {
- region = external_ship->GetRegion();
-
- if (external_ship->Life() == 0 || external_ship->IsDying() || external_ship->IsDead()) {
- external_ship = 0;
- range_min = 100;
- }
- else {
- Observe(external_ship);
-
- if (sim)
- sim->ActivateRegion(external_ship->GetRegion());
-
- range_min = external_ship->Radius() * 1.5;
- }
- }
-
- Observe(external_ship);
- ExternalRange(1);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::SetViewObjectGroup(ListIter<Ship> group, bool quick)
-{
- if (!ship) return;
-
- Starshatter* stars = Starshatter::GetInstance();
-
- if (!stars->InCutscene()) {
- // only view solid contacts:
- while (++group) {
- Ship* s = group.value();
-
- if (s->GetIFF() != ship->GetIFF()) {
- Contact* c = ship->FindContact(s);
- if (!c || !c->ActLock())
- return;
- }
-
- if (s->Life() == 0 || s->IsDying() || s->IsDead())
- return;
- }
- }
-
- group.reset();
-
- if (external_group.size() > 1 &&
- external_group.size() == group.size()) {
-
- bool same = true;
-
- for (int i = 0; same && i < external_group.size(); i++) {
- if (external_group[i] != group.container()[i])
- same = false;
- }
-
- if (same) {
- SetMode(MODE_ZOOM);
- return;
- }
- }
-
- ClearGroup();
-
- if (quick) {
- mode = MODE_ORBIT;
- transition = 0;
- }
- else {
- SetMode(MODE_TRANSLATE);
- }
-
- external_group.append(group.container());
-
- ListIter<Ship> iter = external_group;
- while (++iter) {
- Ship* s = iter.value();
- region = s->GetRegion();
- Observe(s);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::VirtualHead(double az, double el)
-{
- if (mode == MODE_VIRTUAL || mode == MODE_TARGET || mode == MODE_COCKPIT) {
- const double alimit = 3*PI/4;
- const double e_lo = PI/8;
- const double e_hi = PI/3;
- const double escale = e_hi;
-
- virt_az = az * alimit;
- virt_el = el * escale;
-
- if (virt_az > alimit)
- virt_az = alimit;
-
- else if (virt_az < -alimit)
- virt_az = -alimit;
-
- if (virt_el > e_hi)
- virt_el = e_hi;
-
- else if (virt_el < -e_lo)
- virt_el = -e_lo;
- }
-}
-
-void
-CameraDirector::VirtualHeadOffset(double x, double y, double z)
-{
- if (mode == MODE_VIRTUAL || mode == MODE_TARGET || mode == MODE_COCKPIT) {
- virt_x = x;
- virt_y = y;
- virt_z = z;
- }
-}
-
-void
-CameraDirector::VirtualAzimuth(double delta)
-{
- if (mode == MODE_VIRTUAL || mode == MODE_TARGET || mode == MODE_COCKPIT) {
- virt_az += delta;
-
- const double alimit = 3*PI/4;
-
- if (virt_az > alimit)
- virt_az = alimit;
-
- else if (virt_az < -alimit)
- virt_az = -alimit;
- }
-}
-
-void
-CameraDirector::VirtualElevation(double delta)
-{
- if (mode == MODE_VIRTUAL || mode == MODE_TARGET || mode == MODE_COCKPIT) {
- virt_el += delta;
-
- const double e_lo = PI/8;
- const double e_hi = PI/3;
-
- if (virt_el > e_hi)
- virt_el = e_hi;
-
- else if (virt_el < -e_lo)
- virt_el = -e_lo;
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::ExternalAzimuth(double delta)
-{
- azimuth += delta;
-
- if (azimuth > PI)
- azimuth = -2*PI + azimuth;
-
- else if (azimuth < -PI)
- azimuth = 2*PI + azimuth;
-}
-
-void
-CameraDirector::ExternalElevation(double delta)
-{
- elevation += delta;
-
- const double limit = (0.43 * PI);
-
- if (elevation > limit)
- elevation = limit;
- else if (elevation < -limit)
- elevation = -limit;
-}
-
-void
-CameraDirector::ExternalRange(double delta)
-{
- range *= delta;
-
- if (ship && ship->IsAirborne())
- range_max = 30e3;
- else
- range_max = range_max_limit;
-
- if (range < range_min)
- range = range_min;
-
- else if (range > range_max)
- range = range_max;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::SetOrbitPoint(double a, double e, double r)
-{
- azimuth = a;
- elevation = e;
- range = r;
-
- if (external_body) {
- if (range < external_body->Radius() * 2)
- range = external_body->Radius() * 2;
-
- else if (range > external_body->Radius() * 6)
- range = external_body->Radius() * 6;
- }
-
- else {
- if (range < range_min)
- range = range_min;
-
- else if (range > range_max)
- range = range_max;
- }
-}
-
-void
-CameraDirector::SetOrbitRates(double ar, double er, double rr)
-{
- az_rate = ar;
- el_rate = er;
-
- range_rate = rr;
-}
-
-// +--------------------------------------------------------------------+
-
-bool
-CameraDirector::Update(SimObject* obj)
-{
- if (obj->Type() == SimObject::SIM_SHIP) {
- Ship* s = (Ship*) obj;
- if (ship == s)
- ship = 0;
-
- if (external_ship == s) {
- external_point = s->Location();
- external_ship = 0;
- }
-
- if (external_group.contains(s))
- external_group.remove(s);
- }
-
- return SimObserver::Update(obj);
-}
-
-const char*
-CameraDirector::GetObserverName() const
-{
- return "CameraDirector";
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::ExecFrame(double seconds)
-{
- if (!ship)
- return;
-
- hud = HUDView::GetInstance();
-
- int flight_phase = ship->GetFlightPhase();
-
- if (flight_phase < Ship::LOCKED)
- SetMode(MODE_DOCKING);
-
- if (ship->IsAirborne()) {
- if (flight_phase >= Ship::DOCKING)
- SetMode(MODE_DOCKING);
- }
- else {
- if (flight_phase >= Ship::RECOVERY)
- SetMode(MODE_DOCKING);
- }
-
- if (flight_phase >= Ship::LOCKED && flight_phase < Ship::ACTIVE) {
- int m = GetMode();
- if (m != MODE_COCKPIT && m != MODE_VIRTUAL)
- SetMode(MODE_COCKPIT);
- }
-
- if (ship->InTransition()) {
- SetMode(MODE_DROP);
- }
- // automatically restore mode after transition:
- else if (old_mode != MODE_NONE) {
- mode = old_mode;
- requested_mode = old_mode;
- old_mode = MODE_NONE;
- }
-
- int op_mode = mode;
- if (requested_mode > mode)
- op_mode = requested_mode;
-
- Starshatter* stars = Starshatter::GetInstance();
-
- // if we are in padlock, and have not locked a ship
- // try to padlock the current target:
- if (op_mode == MODE_TARGET && !external_ship) {
- SimObject* tgt = ship->GetTarget();
- if (tgt && tgt->Type() == SimObject::SIM_SHIP)
- SetViewObject((Ship*) tgt);
- }
-
- // if in an external mode, check the external ship:
- else if (op_mode >= MODE_TARGET && op_mode <= MODE_ZOOM) {
- if (external_ship && external_ship != ship && !stars->InCutscene()) {
- Contact* c = ship->FindContact(external_ship);
- if (!c || !c->ActLock()) {
- SetViewObject(ship);
- }
- }
- }
-
- if (ship->Rep()) {
- if (op_mode == MODE_COCKPIT) {
- ship->HideRep();
- ship->HideCockpit();
- }
- else if (op_mode == MODE_VIRTUAL || op_mode == MODE_TARGET) {
- if (ship->Cockpit()) {
- ship->HideRep();
- ship->ShowCockpit();
- }
- else {
- ship->ShowRep();
- }
- }
- else {
- ship->Rep()->SetForeground(op_mode == MODE_DOCKING);
- ship->ShowRep();
- ship->HideCockpit();
- }
- }
-
- if (hud && hud->Ambient() != Color::Black)
- sim->GetScene()->SetAmbient( hud->Ambient() );
- else
- sim->GetScene()->SetAmbient( sim->GetStarSystem()->Ambient() );
-
- switch (op_mode) {
- default:
- case MODE_COCKPIT: Cockpit(seconds); break;
- case MODE_CHASE: Chase(seconds); break;
- case MODE_TARGET: Target(seconds); break;
- case MODE_THREAT: Threat(seconds); break;
- case MODE_VIRTUAL: Virtual(seconds); break;
- case MODE_ORBIT:
- case MODE_TRANSLATE:
- case MODE_ZOOM: Orbit(seconds); break;
- case MODE_DOCKING: Docking(seconds); break;
- case MODE_DROP: Drop(seconds); break;
- }
-
- if (ship->Shake() > 0 &&
- (op_mode < MODE_ORBIT ||
- (op_mode == MODE_VIRTUAL && ship->Cockpit()))) {
-
- Point vib = ship->Vibration() * 0.2;
- camera.MoveBy(vib);
- camera.Aim(0, vib.y, vib.z);
- }
-
- Transition(seconds);
- DetailSet::SetReference(region, camera.Pos());
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Transition(double seconds)
-{
- if (transition > 0)
- transition -= seconds * 1.5;
-
- if (transition <= 0) {
- transition = 0;
-
- if (requested_mode && requested_mode != mode)
- mode = requested_mode;
-
- requested_mode = 0;
-
- if (mode == MODE_TRANSLATE || mode == MODE_ZOOM) {
- if (mode == MODE_ZOOM)
- range = range_min;
-
- mode = MODE_ORBIT;
- }
- }
-}
-
-// +--------------------------------------------------------------------+
-
-bool
-CameraDirector::IsViewCentered()
-{
- if (instance) {
- double fvaz = fabs(instance->virt_az);
- double fvel = fabs(instance->virt_el);
-
- return fvaz < 15*DEGREES && fvel < 15*DEGREES;
- }
-
- return true;
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Cockpit(double seconds)
-{
- camera.Clone(ship->Cam());
-
- Point bridge = ship->BridgeLocation();
- Point cpos = camera.Pos() +
- camera.vrt() * bridge.x +
- camera.vpn() * bridge.y +
- camera.vup() * bridge.z;
-
- camera.MoveTo(cpos);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Virtual(double seconds)
-{
- camera.Clone(ship->Cam());
-
- Point bridge = ship->BridgeLocation();
- Point cpos = camera.Pos() +
- camera.vrt() * (bridge.x + virt_x) +
- camera.vpn() * (bridge.y + virt_z) +
- camera.vup() * (bridge.z + virt_y);
-
- camera.MoveTo(cpos);
-
- camera.Yaw(virt_az);
- camera.Pitch(-virt_el);
-
- double fvaz = fabs(virt_az);
- double fvel = fabs(virt_el);
-
- if (fvaz > 0.01*DEGREES && fvaz < 15*DEGREES) {
- double bleed = fvaz * 2;
-
- if (virt_az > 0)
- virt_az -= bleed * seconds;
- else
- virt_az += bleed * seconds;
- }
-
- if (fvel > 0.01*DEGREES && fvel < 15*DEGREES) {
- double bleed = fvel;
-
- if (virt_el > 0)
- virt_el -= bleed * seconds;
- else
- virt_el += bleed * seconds;
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Chase(double seconds)
-{
- double step = 1;
-
- if (requested_mode == MODE_COCKPIT)
- step = transition;
-
- else if (requested_mode == MODE_CHASE)
- step = 1 - transition;
-
- camera.Clone(ship->Cam());
- Point velocity = camera.vpn();
-
- if (ship->Velocity().length() > 10) {
- velocity = ship->Velocity();
- velocity.Normalize();
- velocity *= 0.25;
- velocity += camera.vpn() * 2;
- velocity.Normalize();
- }
-
- Point chase = ship->ChaseLocation();
- Point bridge = ship->BridgeLocation();
- Point cpos = camera.Pos() +
- camera.vrt() * bridge.x * (1-step) +
- camera.vpn() * bridge.y * (1-step) +
- camera.vup() * bridge.z * (1-step) +
- velocity * chase.y * step +
- camera.vup() * chase.z * step;
-
- camera.MoveTo(cpos);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Target(double seconds)
-{
- Point target_loc = external_point;
-
- if (external_ship)
- target_loc = external_ship->Location();
-
- if (!external_ship || external_ship == ship) {
- if (!external_point) {
- if (ship->Cockpit())
- Virtual(seconds);
- else
- Orbit(seconds);
-
- return;
- }
- }
-
- double step = 1;
-
- if (requested_mode == MODE_COCKPIT)
- step = transition;
-
- else if (requested_mode == MODE_TARGET)
- step = 1 - transition;
-
- if (ship->Cockpit()) {
- // internal padlock:
- Cockpit(seconds);
- camera.Padlock(target_loc, 3*PI/4, PI/8, PI/3);
- }
- else {
- // external padlock:
- Point delta = target_loc - ship->Location();
- delta.Normalize();
- delta *= -5 * ship->Radius() * step;
- delta.y += ship->Radius() * step;
-
- camera.MoveTo(ship->Location() + delta);
- camera.LookAt(target_loc);
- }
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Threat(double seconds)
-{
- Chase(seconds);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Orbit(double seconds)
-{
- Point cpos = ship->Location();
- int op_mode = GetCameraMode();
-
- if (seconds < 0) seconds = 0;
- else if (seconds > 0.2) seconds = 0.2;
-
- // auto rotate
- azimuth += az_rate * seconds;
- elevation += el_rate * seconds;
- range *= 1 + range_rate * seconds;
-
- if (external_body && external_body->Rep()) {
- range_min = external_body->Radius() * 2.5;
- cpos = external_body->Rep()->Location();
- }
-
- else if (external_group.size()) {
- Point neg(1e9, 1e9, 1e9);
- Point pos(-1e9, -1e9, -1e9);
-
- ListIter<Ship> iter(external_group);
- while (++iter) {
- Point loc = iter->Location();
-
- if (loc.x < neg.x) neg.x = loc.x;
- if (loc.x > pos.x) pos.x = loc.x;
- if (loc.y < neg.y) neg.y = loc.y;
- if (loc.y > pos.y) pos.y = loc.y;
- if (loc.z < neg.z) neg.z = loc.z;
- if (loc.z > pos.z) pos.z = loc.z;
- }
-
- double dx = pos.x - neg.x;
- double dy = pos.y - neg.y;
- double dz = pos.z - neg.z;
-
- if (dx > dy) {
- if (dx > dz) range_min = dx * 1.2;
- else range_min = dz * 1.2;
- }
- else {
- if (dy > dz) range_min = dy * 1.2;
- else range_min = dz * 1.2;
- }
-
- // focus on median location:
- cpos = neg + Point(dx/2, dy/2, dz/2);
- }
- else if (external_ship) {
- range_min = external_ship->Radius() * 1.5;
- cpos = external_ship->Location();
- }
- else {
- range_min = ship->Radius() * 1.5;
- cpos = ship->Location();
- }
-
- if (range < range_min)
- range = range_min;
-
- double er = range;
- double az = azimuth;
- double el = elevation;
-
- if (requested_mode == MODE_TRANSLATE) {
- cpos = cpos*(1-transition) + base_loc*(transition);
- }
-
- else if (requested_mode == MODE_ZOOM) {
- er = base_range * transition;
-
- if (er < range_min) {
- er = range_min;
- range = range_min;
- transition = 0;
- requested_mode = 0;
- }
- }
-
- // transitions:
- else if (mode < MODE_ORBIT || requested_mode > 0 && requested_mode < MODE_ORBIT) {
- double az0 = ship->CompassHeading();
- if (fabs(az-az0) > PI) az0 -= 2*PI;
-
- double r0 = 0;
- double z0 = 0;
-
- if (mode == MODE_CHASE || requested_mode == MODE_CHASE ||
- mode == MODE_TARGET || requested_mode == MODE_TARGET) {
- r0 = ship->ChaseLocation().length();
- z0 = 20 * DEGREES;
- }
-
- // pull out:
- if (mode < MODE_ORBIT) {
- er *= (1-transition);
- az *= (1-transition);
- el *= (1-transition);
-
- er += r0 * transition;
- az += az0 * transition;
- el += z0 * transition;
- }
-
- // push in:
- else {
- er *= transition;
- az *= transition;
- el *= transition;
-
- er += r0 * (1-transition);
- az += az0 * (1-transition);
- el += z0 * (1-transition);
- }
- }
-
- else {
- // save base location for next time we re-focus
- base_loc = cpos;
- }
-
- double dx = er * sin(az) * cos(el);
- double dy = er * cos(az) * cos(el);
- double dz = er * sin(el);
-
- Point cloc = cpos + Point(dx,dz,dy);
-
- Terrain* terrain = ship->GetRegion()->GetTerrain();
-
- if (terrain) {
- double cam_agl = cloc.y - terrain->Height(cloc.x, cloc.z);
-
- if (cam_agl < 100)
- cloc.y = terrain->Height(cloc.x, cloc.z) + 100;
- }
-
- if (external_ship == 0 && er < 0.5 * ship->Radius())
- ship->Rep()->Hide();
-
- camera.MoveTo(cloc.x, cloc.y, cloc.z);
- camera.LookAt(cpos);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Docking(double seconds)
-{
- FlightDeck* dock = ship->GetDock();
-
- if (!dock) {
- Cockpit(seconds);
- return;
- }
-
- if (!ship->IsAirborne())
- sim->GetScene()->SetAmbient(Color(120,130,140));
- int flight_phase = ship->GetFlightPhase();
-
- Point bridge = ship->BridgeLocation();
- Point cloc = ship->Location() +
- ship->Cam().vrt() * bridge.x +
- ship->Cam().vpn() * bridge.y +
- ship->Cam().vup() * bridge.z;
-
- Point cpos = dock->CamLoc();
-
- // preflight:
- if (flight_phase < Ship::LOCKED) {
- base_loc = cpos;
- }
-
- else if (flight_phase == Ship::LOCKED) {
- if (hud)
- hud->SetHUDMode(HUDView::HUD_MODE_TAC);
- cpos = base_loc * transition +
- cloc * (1-transition);
- }
-
- // recovery:
- else if (flight_phase > Ship::APPROACH) {
- if (hud)
- hud->SetTacticalMode(1);
- }
-
- camera.MoveTo(cpos);
- camera.LookAt(cloc);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-CameraDirector::Drop(double seconds)
-{
- // orbital transitions use "drop cam" at transition_loc
- camera.MoveTo(ship->TransitionLocation());
- camera.LookAt(ship->Location());
-}
generated by cgit v1.1 at 2024-11-19 13:07:17 +0000