From 3c487c5cd69c53d6fea948643c0a76df03516605 Mon Sep 17 00:00:00 2001 From: Aki Date: Fri, 1 Apr 2022 21:23:39 +0200 Subject: Moved Stars45 to StarsEx --- Stars45/CameraDirector.cpp | 1194 -------------------------------------------- 1 file changed, 1194 deletions(-) delete mode 100644 Stars45/CameraDirector.cpp (limited to 'Stars45/CameraDirector.cpp') diff --git a/Stars45/CameraDirector.cpp b/Stars45/CameraDirector.cpp deleted file mode 100644 index 7da704c..0000000 --- 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 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 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 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 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()); -} -- cgit v1.1