From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001 From: "FWoltermann@gmail.com" Date: Thu, 8 Dec 2011 14:53:40 +0000 Subject: Initial upload --- Stars45/Drive.cpp | 497 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 497 insertions(+) create mode 100644 Stars45/Drive.cpp (limited to 'Stars45/Drive.cpp') diff --git a/Stars45/Drive.cpp b/Stars45/Drive.cpp new file mode 100644 index 0000000..21748c1 --- /dev/null +++ b/Stars45/Drive.cpp @@ -0,0 +1,497 @@ +/* Project Starshatter 4.5 + Destroyer Studios LLC + Copyright © 1997-2004. All Rights Reserved. + + SUBSYSTEM: Stars.exe + FILE: Drive.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Weapon class +*/ + +#include "MemDebug.h" +#include "Drive.h" +#include "Power.h" +#include "Ship.h" +#include "Sim.h" +#include "DriveSprite.h" +#include "CameraDirector.h" +#include "AudioConfig.h" + +#include "Light.h" +#include "Bitmap.h" +#include "Sound.h" +#include "DataLoader.h" +#include "Bolt.h" +#include "Solid.h" +#include "Game.h" + +// +--------------------------------------------------------------------+ + +static int drive_value[] = { + 1, 1, 1, 1, 1, 1, 1, 1 +}; + +static float drive_light[] = { + 10.0f, 100.0f, 5.0f, 1.0e3f, 100.0f, 10.0f, 0.0f, 0.0f +}; + +Bitmap* drive_flare_bitmap[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; +Bitmap* drive_trail_bitmap[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; +Bitmap* drive_glow_bitmap[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; + +static Sound* sound_resource[3] = { 0, 0, 0 }; + +#define CLAMP(x, a, b) if (x < (a)) x = (a); else if (x > (b)) x = (b); + +// +----------------------------------------------------------------------+ + +DrivePort::DrivePort(const Point& l, float s) + : loc(l), flare(0), trail(0), scale(s) +{ } + +DrivePort::~DrivePort() +{ + GRAPHIC_DESTROY(flare); + GRAPHIC_DESTROY(trail); +} + +// +----------------------------------------------------------------------+ + +Drive::Drive(SUBTYPE drive_type, float max_thrust, float max_aug, bool show) + : System(DRIVE, drive_type, "Drive", drive_value[drive_type], + max_thrust*2, max_thrust*2, max_thrust*2), + thrust(max_thrust), augmenter(max_aug), scale(0.0f), + throttle(0.0f), augmenter_throttle(0.0f), intensity(0.0f), + sound(0), burner_sound(0), show_trail(show) +{ + power_flags = POWER_WATTS; + + switch (drive_type) { + default: + case PLASMA: name = Game::GetText("sys.drive.plasma"); break; + case FUSION: name = Game::GetText("sys.drive.fusion"); break; + case GREEN: name = Game::GetText("sys.drive.green"); break; + case RED: name = Game::GetText("sys.drive.red"); break; + case BLUE: name = Game::GetText("sys.drive.blue"); break; + case YELLOW: name = Game::GetText("sys.drive.yellow"); break; + case STEALTH: name = Game::GetText("sys.drive.stealth"); break; + } + + abrv = Game::GetText("sys.drive.abrv"); + + emcon_power[0] = 0; + emcon_power[1] = 50; + emcon_power[2] = 100; +} + +// +----------------------------------------------------------------------+ + +Drive::Drive(const Drive& d) + : System(d), thrust(d.thrust), augmenter(d.augmenter), scale(d.scale), + throttle(0.0f), augmenter_throttle(0.0f), intensity(0.0f), + sound(0), burner_sound(0), show_trail(d.show_trail) +{ + power_flags = POWER_WATTS; + + Mount(d); + + if (subtype != Drive::STEALTH) { + for (int i = 0; i < d.ports.size(); i++) { + DrivePort* p = d.ports[i]; + CreatePort(p->loc, p->scale); + } + } +} + +// +--------------------------------------------------------------------+ + +Drive::~Drive() +{ + if (sound) { + sound->Stop(); + sound->Release(); + sound = 0; + } + + if (burner_sound) { + burner_sound->Stop(); + burner_sound->Release(); + burner_sound = 0; + } + + ports.destroy(); +} + +// +--------------------------------------------------------------------+ + +void +Drive::Initialize() +{ + static int initialized = 0; + if (initialized) return; + + DataLoader* loader = DataLoader::GetLoader(); + loader->SetDataPath("Drive/"); + loader->LoadTexture("Drive0.pcx", drive_flare_bitmap[0], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Drive1.pcx", drive_flare_bitmap[1], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Drive2.pcx", drive_flare_bitmap[2], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Drive3.pcx", drive_flare_bitmap[3], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Drive4.pcx", drive_flare_bitmap[4], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Drive5.pcx", drive_flare_bitmap[5], Bitmap::BMP_TRANSLUCENT); + + loader->LoadTexture("Trail0.pcx", drive_trail_bitmap[0], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Trail1.pcx", drive_trail_bitmap[1], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Trail2.pcx", drive_trail_bitmap[2], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Trail3.pcx", drive_trail_bitmap[3], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Trail4.pcx", drive_trail_bitmap[4], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Trail5.pcx", drive_trail_bitmap[5], Bitmap::BMP_TRANSLUCENT); + + loader->LoadTexture("Glow0.pcx", drive_glow_bitmap[0], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Glow1.pcx", drive_glow_bitmap[1], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Glow2.pcx", drive_glow_bitmap[2], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Glow3.pcx", drive_glow_bitmap[3], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Glow4.pcx", drive_glow_bitmap[4], Bitmap::BMP_TRANSLUCENT); + loader->LoadTexture("Glow5.pcx", drive_glow_bitmap[5], Bitmap::BMP_TRANSLUCENT); + + const int SOUND_FLAGS = Sound::LOCALIZED | + Sound::LOC_3D | + Sound::LOOP | + Sound::LOCKED; + + loader->SetDataPath("Sounds/"); + loader->LoadSound("engine.wav", sound_resource[0], SOUND_FLAGS); + loader->LoadSound("burner2.wav", sound_resource[1], SOUND_FLAGS); + loader->LoadSound("rumble.wav", sound_resource[2], SOUND_FLAGS); + loader->SetDataPath(0); + + if (sound_resource[0]) + sound_resource[0]->SetMaxDistance(30.0e3f); + + if (sound_resource[1]) + sound_resource[1]->SetMaxDistance(30.0e3f); + + if (sound_resource[2]) + sound_resource[2]->SetMaxDistance(50.0e3f); + + initialized = 1; +} + +// +--------------------------------------------------------------------+ + +void +Drive::Close() +{ + for (int i = 0; i < 3; i++) { + delete sound_resource[i]; + sound_resource[i] = 0; + } +} + +// +--------------------------------------------------------------------+ + +void +Drive::StartFrame() +{ +} + +// +--------------------------------------------------------------------+ + +void +Drive::AddPort(const Point& loc, float flare_scale) +{ + if (flare_scale == 0) flare_scale = scale; + DrivePort* port = new(__FILE__,__LINE__) DrivePort(loc, flare_scale); + ports.append(port); +} + +// +--------------------------------------------------------------------+ + +void +Drive::CreatePort(const Point& loc, float flare_scale) +{ + Bitmap* flare_bmp = drive_flare_bitmap[subtype]; + Bitmap* trail_bmp = drive_trail_bitmap[subtype]; + Bitmap* glow_bmp = 0; + + if (flare_scale <= 0) + flare_scale = scale; + + if (augmenter <= 0) + glow_bmp = drive_glow_bitmap[subtype]; + + if (subtype != Drive::STEALTH && flare_scale > 0) { + DrivePort* port = new(__FILE__,__LINE__) DrivePort(loc, flare_scale); + + if (flare_bmp) { + DriveSprite* flare_rep = new(__FILE__,__LINE__) DriveSprite(flare_bmp, glow_bmp); + flare_rep->Scale(flare_scale * 1.5); + flare_rep->SetShade(0); + port->flare = flare_rep; + } + + if (trail_bmp && show_trail) { + Bolt* trail_rep = new(__FILE__,__LINE__) Bolt(flare_scale * 30, flare_scale * 8, trail_bmp, true); + port->trail = trail_rep; + } + + ports.append(port); + } +} + +// +--------------------------------------------------------------------+ + +void +Drive::Orient(const Physical* rep) +{ + System::Orient(rep); + + const Matrix& orientation = rep->Cam().Orientation(); + Point ship_loc = rep->Location(); + + for (int i = 0; i < ports.size(); i++) { + DrivePort* p = ports[i]; + + Point projector = (p->loc * orientation) + ship_loc; + + if (p->flare) { + p->flare->MoveTo(projector); + p->flare->SetFront(rep->Cam().vpn() * -10 * p->scale); + } + + if (p->trail) { + if (intensity > 0.5) { + double len = -60 * p->scale * intensity; + + if (augmenter > 0 && augmenter_throttle > 0) + len += len * augmenter_throttle; + + p->trail->Show(); + p->trail->SetEndPoints(projector, projector + rep->Cam().vpn() * len); + } + else { + p->trail->Hide(); + } + } + } +} + +// +--------------------------------------------------------------------+ + +static double drive_seconds=0; + +void +Drive::SetThrottle(double t, bool aug) +{ + double spool = 1.2 * drive_seconds; + double throttle_request = t / 100; + + if (throttle < throttle_request) { + if (throttle_request-throttle < spool) { + throttle = (float) throttle_request; + } + else { + throttle += (float) spool; + } + } + + else if (throttle > throttle_request) { + if (throttle - throttle_request < spool) { + throttle = (float) throttle_request; + } + else { + throttle -= (float) spool; + } + } + + if (throttle < 0.5) + aug = false; + + if (aug && augmenter_throttle < 1) { + augmenter_throttle += (float) spool; + + if (augmenter_throttle > 1) + augmenter_throttle = 1.0f; + } + else if (!aug && augmenter_throttle > 0) { + augmenter_throttle -= (float) spool; + + if (augmenter_throttle < 0) + augmenter_throttle = 0.0f; + } +} + +// +----------------------------------------------------------------------+ + +double +Drive::GetRequest(double seconds) const +{ + if (!power_on) return 0; + + double t_factor = max(throttle + 0.5 * augmenter_throttle, 0.3); + + return t_factor * power_level * sink_rate * seconds; +} + +bool +Drive::IsAugmenterOn() const +{ + return augmenter > 0 && + augmenter_throttle > 0.05 && + IsPowerOn() && + status > CRITICAL; +} + +// +--------------------------------------------------------------------+ + +int +Drive::NumEngines() const +{ + return ports.size(); +} + +DriveSprite* +Drive::GetFlare(int port) const +{ + if (port >= 0 && port < ports.size()) { + return ports[port]->flare; + } + + return 0; +} + +Bolt* +Drive::GetTrail(int port) const +{ + if (port >= 0 && port < ports.size()) { + return ports[port]->trail; + } + + return 0; +} + +// +--------------------------------------------------------------------+ + +float +Drive::Thrust(double seconds) +{ + drive_seconds = seconds; + + float eff = (energy/capacity) * availability * 100.0f; + float output = throttle * thrust * eff; + bool aug_on = IsAugmenterOn(); + + if (aug_on) { + output += augmenter * augmenter_throttle * eff; + + // augmenter burns extra fuel: + PowerSource* reac = ship->Reactors()[source_index]; + reac->SetCapacity(reac->GetCapacity() - (0.1 * drive_seconds)); + } + + energy = 0.0f; + + if (output < 0 || GetPowerLevel() < 0.01) + output = 0.0f; + + int vol = -10000; + int vol_aug = -10000; + double fraction = output / thrust; + + for (int i = 0; i < ports.size(); i++) { + DrivePort* p = ports[i]; + + if (p->flare) { + if (i == 0) { + if (fraction > 0) + intensity += (float) seconds; + else + intensity -= (float) seconds; + + // capture volume based on actual output: + CLAMP(intensity, 0.0f, 1.0f); + + if (intensity > 0.25) { + vol = (int) ((intensity - 1.0) * 10000.0); + CLAMP(vol, -10000, -1500); + + if (aug_on && intensity > 0.5) { + vol_aug = (int) ((5 * augmenter_throttle - 1.0) * 10000.0); + CLAMP(vol_aug, -10000, -1000); + } + } + } + + p->flare->SetShade(intensity); + } + + if (p->trail) { + p->trail->SetShade(intensity); + } + } + + CameraDirector* cam_dir = CameraDirector::GetInstance(); + + // no sound when paused! + if (!Game::Paused() && subtype != STEALTH && cam_dir && cam_dir->GetCamera()) { + if (ship && ship->GetRegion() == Sim::GetSim()->GetActiveRegion()) { + if (!sound) { + int sound_index = 0; + if (thrust > 100) + sound_index = 2; + + if (sound_resource[sound_index]) + sound = sound_resource[sound_index]->Duplicate(); + } + + if (aug_on && !burner_sound) { + if (sound_resource[1]) + burner_sound = sound_resource[1]->Duplicate(); + } + + Point cam_loc = cam_dir->GetCamera()->Pos(); + double dist = (ship->Location() - cam_loc).length(); + + if (sound && dist < sound->GetMaxDistance()) { + long max_vol = AudioConfig::EfxVolume(); + + if (vol > max_vol) + vol = max_vol; + + if (sound) { + sound->SetLocation(ship->Location()); + sound->SetVolume(vol); + sound->Play(); + } + + if (burner_sound) { + if (vol_aug > max_vol) + vol_aug = max_vol; + + burner_sound->SetLocation(ship->Location()); + burner_sound->SetVolume(vol_aug); + burner_sound->Play(); + } + } + else { + if (sound && sound->IsPlaying()) + sound->Stop(); + + if (burner_sound && burner_sound->IsPlaying()) + burner_sound->Stop(); + } + } + else { + if (sound && sound->IsPlaying()) + sound->Stop(); + + if (burner_sound && burner_sound->IsPlaying()) + burner_sound->Stop(); + } + } + + return output; +} -- cgit v1.1