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WorldView.cpp
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// Copyright © 2008-2018 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
#include "WorldView.h"
#include "Pi.h"
#include "Frame.h"
#include "HudTrail.h"
#include "Player.h"
#include "Planet.h"
#include "galaxy/Galaxy.h"
#include "galaxy/Sector.h"
#include "galaxy/GalaxyCache.h"
#include "SectorView.h"
#include "SystemView.h"
#include "Sound.h"
#include "Space.h"
#include "SpaceStation.h"
#include "galaxy/StarSystem.h"
#include "HyperspaceCloud.h"
#include "KeyBindings.h"
#include "perlin.h"
#include "Lang.h"
#include "StringF.h"
#include "Game.h"
#include "ui/Context.h"
#include "ui/Align.h"
#include "ui/Label.h"
#include "graphics/Graphics.h"
#include "graphics/Renderer.h"
#include "graphics/Frustum.h"
#include "graphics/TextureBuilder.h"
#include "graphics/Drawables.h"
#include "matrix4x4.h"
#include "Quaternion.h"
#include "LuaObject.h"
#include "utils.h"
#include "GameSaveError.h"
#include <algorithm>
#include <sstream>
#include <iomanip>
#include <SDL_stdinc.h>
const double WorldView::PICK_OBJECT_RECT_SIZE = 20.0;
namespace {
static const Color s_hudTextColor(0,255,0,230);
static const float ZOOM_SPEED = 1.f;
static const float WHEEL_SENSITIVITY = .05f; // Should be a variable in user settings.
static const float HUD_CROSSHAIR_SIZE = 8.0f;
static const Color white(255, 255, 255, 204);
static const Color green(0, 255, 0, 204);
static const Color yellow(230, 230, 77, 255);
static const Color red(255, 0, 0, 128);
}
WorldView::WorldView(Game* game): UIView(), m_game(game)
{
m_camType = CAM_INTERNAL;
InitObject();
}
WorldView::WorldView(const Json::Value &jsonObj, Game* game) : UIView(), m_game(game)
{
if (!jsonObj.isMember("world_view")) throw SavedGameCorruptException();
Json::Value worldViewObj = jsonObj["world_view"];
if (!worldViewObj.isMember("cam_type")) throw SavedGameCorruptException();
m_camType = CamType(worldViewObj["cam_type"].asInt());
InitObject();
m_internalCameraController->LoadFromJson(worldViewObj);
m_externalCameraController->LoadFromJson(worldViewObj);
m_siderealCameraController->LoadFromJson(worldViewObj);
}
void WorldView::InitObject()
{
float size[2];
GetSizeRequested(size);
m_showTargetActionsTimeout = 0;
m_labelsOn = true;
SetTransparency(true);
Graphics::RenderStateDesc rsd;
rsd.blendMode = Graphics::BLEND_ALPHA;
rsd.depthWrite = false;
rsd.depthTest = false;
m_blendState = Pi::renderer->CreateRenderState(rsd); //XXX m_renderer not set yet
m_navTunnel = new NavTunnelWidget(this, m_blendState);
Add(m_navTunnel, 0, 0);
m_commsOptions = new Fixed(size[0], size[1]/1.8);
m_commsOptions->SetTransparency(true);
Add(m_commsOptions, 10, 150);
m_commsNavOptionsContainer = new Gui::HBox();
m_commsNavOptionsContainer->SetSpacing(5);
m_commsNavOptionsContainer->SetSizeRequest(220, size[1]-50);
Add(m_commsNavOptionsContainer, size[0]-230, 20);
Gui::VScrollPortal *portal = new Gui::VScrollPortal(200);
Gui::VScrollBar *scroll = new Gui::VScrollBar();
scroll->SetAdjustment(&portal->vscrollAdjust);
m_commsNavOptionsContainer->PackStart(scroll);
m_commsNavOptionsContainer->PackStart(portal);
m_commsNavOptions = new Gui::VBox();
m_commsNavOptions->SetSpacing(5);
portal->Add(m_commsNavOptions);
#if WITH_DEVKEYS
Gui::Screen::PushFont("ConsoleFont");
m_debugInfo = (new Gui::Label(""))->Color(204, 204, 204);
Add(m_debugInfo, 10, 200);
Gui::Screen::PopFont();
#endif
/*
NEW UI
*/
// --
m_hudSensorGaugeStack = new Gui::VBox();
m_hudSensorGaugeStack->SetSpacing(2.0f);
Add(m_hudSensorGaugeStack, 5.0f, 5.0f);
Gui::Screen::PushFont("OverlayFont");
{
m_pauseText = new Gui::Label(std::string("#f7f") + Lang::PAUSED);
float w, h;
Gui::Screen::MeasureString(Lang::PAUSED, w, h);
Add(m_pauseText, 0.5f * (Gui::Screen::GetWidth() - w), 100);
}
Gui::Screen::PopFont();
m_combatTargetIndicator.label = new Gui::Label(""); // colour set dynamically
m_targetLeadIndicator.label = new Gui::Label("");
// these labels are repositioned during Draw3D()
Add(m_combatTargetIndicator.label, 0, 0);
Add(m_targetLeadIndicator.label, 0, 0);
m_speedLines.reset(new SpeedLines(Pi::player));
//get near & far clipping distances
//XXX m_renderer not set yet
float znear;
float zfar;
Pi::renderer->GetNearFarRange(znear, zfar);
const float fovY = Pi::config->Float("FOVVertical");
m_cameraContext.Reset(new CameraContext(Graphics::GetScreenWidth(), Graphics::GetScreenHeight(), fovY, znear, zfar));
m_camera.reset(new Camera(m_cameraContext, Pi::renderer));
m_internalCameraController.reset(new InternalCameraController(m_cameraContext, Pi::player));
m_externalCameraController.reset(new ExternalCameraController(m_cameraContext, Pi::player));
m_siderealCameraController.reset(new SiderealCameraController(m_cameraContext, Pi::player));
SetCamType(m_camType); //set the active camera
m_onPlayerChangeTargetCon =
Pi::onPlayerChangeTarget.connect(sigc::mem_fun(this, &WorldView::OnPlayerChangeTarget));
m_onMouseWheelCon =
Pi::onMouseWheel.connect(sigc::mem_fun(this, &WorldView::MouseWheel));
Pi::player->GetPlayerController()->SetMouseForRearView(GetCamType() == CAM_INTERNAL && m_internalCameraController->GetMode() == InternalCameraController::MODE_REAR);
m_onToggleHudModeCon = KeyBindings::toggleHudMode.onPress.connect(sigc::mem_fun(this, &WorldView::OnToggleLabels));
m_onIncTimeAccelCon = KeyBindings::increaseTimeAcceleration.onPress.connect(sigc::mem_fun(this, &WorldView::OnRequestTimeAccelInc));
m_onDecTimeAccelCon = KeyBindings::decreaseTimeAcceleration.onPress.connect(sigc::mem_fun(this, &WorldView::OnRequestTimeAccelDec));
}
WorldView::~WorldView()
{
m_onPlayerChangeTargetCon.disconnect();
m_onMouseWheelCon.disconnect();
m_onToggleHudModeCon.disconnect();
m_onIncTimeAccelCon.disconnect();
m_onDecTimeAccelCon.disconnect();
}
void WorldView::SaveToJson(Json::Value &jsonObj)
{
Json::Value worldViewObj(Json::objectValue); // Create JSON object to contain world view data.
worldViewObj["cam_type"] = int(m_camType);
m_internalCameraController->SaveToJson(worldViewObj);
m_externalCameraController->SaveToJson(worldViewObj);
m_siderealCameraController->SaveToJson(worldViewObj);
jsonObj["world_view"] = worldViewObj; // Add world view object to supplied object.
}
void WorldView::SetCamType(enum CamType c)
{
Pi::BoinkNoise();
// don't allow external cameras when docked inside space stations.
// they would clip through the station model
//if (Pi::player->GetFlightState() == Ship::DOCKED && !Pi::player->GetDockedWith()->IsGroundStation())
// c = CAM_INTERNAL;
m_camType = c;
switch(m_camType) {
case CAM_INTERNAL:
m_activeCameraController = m_internalCameraController.get();
Pi::player->OnCockpitActivated();
break;
case CAM_EXTERNAL:
m_activeCameraController = m_externalCameraController.get();
break;
case CAM_SIDEREAL:
m_activeCameraController = m_siderealCameraController.get();
break;
}
Pi::player->GetPlayerController()->SetMouseForRearView(m_camType == CAM_INTERNAL && m_internalCameraController->GetMode() == InternalCameraController::MODE_REAR);
m_activeCameraController->Reset();
onChangeCamType.emit();
}
void WorldView::ChangeInternalCameraMode(InternalCameraController::Mode m)
{
if (m_internalCameraController->GetMode() != m)
Pi::BoinkNoise();
m_internalCameraController->SetMode(m);
Pi::player->GetPlayerController()->SetMouseForRearView(m_camType == CAM_INTERNAL && m_internalCameraController->GetMode() == InternalCameraController::MODE_REAR);
}
/* This is UI click to change flight control state (manual, speed ctrl) */
void WorldView::ChangeFlightState()
{
Pi::BoinkNoise();
static int newState = CONTROL_MANUAL;
if (Pi::KeyState(SDLK_LCTRL) || Pi::KeyState(SDLK_RCTRL)) {
// skip certain states
switch (newState) {
case CONTROL_MANUAL: // fallthrough
case CONTROL_FIXSPEED: newState = CONTROL_FIXHEADING_FORWARD; break;
case CONTROL_FIXHEADING_FORWARD: // fallthrough
case CONTROL_FIXHEADING_BACKWARD: // fallthrough
case CONTROL_AUTOPILOT: newState = CONTROL_MANUAL; break;
default: break;
}
} else {
// skip certain states
switch (newState) {
case CONTROL_FIXHEADING_FORWARD: // fallthrough
case CONTROL_FIXSPEED: // fallthrough
case CONTROL_FIXHEADING_BACKWARD: // fallthrough
case CONTROL_AUTOPILOT: newState = CONTROL_MANUAL; break;
case CONTROL_MANUAL: newState = CONTROL_FIXSPEED; break;
default: break;
}
}
Pi::player->GetPlayerController()->SetFlightControlState(static_cast<FlightControlState>(newState));
}
void WorldView::OnClickBlastoff()
{
Pi::BoinkNoise();
if (Pi::player->GetFlightState() == Ship::DOCKED) {
Pi::player->Undock();
} else {
Pi::player->Blastoff();
}
}
void WorldView::OnRequestTimeAccelInc()
{
// requests an increase in time acceleration
Pi::game->RequestTimeAccelInc();
}
void WorldView::OnRequestTimeAccelDec()
{
// requests a decrease in time acceleration
Pi::game->RequestTimeAccelDec();
}
void WorldView::Draw3D()
{
PROFILE_SCOPED()
assert(m_game);
assert(Pi::player);
assert(!Pi::player->IsDead());
m_cameraContext->ApplyDrawTransforms(m_renderer);
Body* excludeBody = nullptr;
ShipCockpit* cockpit = nullptr;
if(GetCamType() == CAM_INTERNAL) {
excludeBody = Pi::player;
if (m_internalCameraController->GetMode() == InternalCameraController::MODE_FRONT)
cockpit = Pi::player->GetCockpit();
}
m_camera->Draw(excludeBody, cockpit);
// Draw 3D HUD
// Speed lines
if (Pi::AreSpeedLinesDisplayed())
m_speedLines->Render(m_renderer);
// Contact trails
if( Pi::AreHudTrailsDisplayed() ) {
for (auto it = Pi::player->GetSensors()->GetContacts().begin(); it != Pi::player->GetSensors()->GetContacts().end(); ++it)
it->trail->Render(m_renderer);
}
m_cameraContext->EndFrame();
UIView::Draw3D();
}
void WorldView::OnToggleLabels()
{
if (Pi::GetView() == this) {
if (Pi::DrawGUI && m_labelsOn) {
m_labelsOn = false;
} else if (Pi::DrawGUI && !m_labelsOn) {
Pi::DrawGUI = false;
} else if (!Pi::DrawGUI) {
Pi::DrawGUI = true;
m_labelsOn = true;
}
}
}
void WorldView::ShowAll()
{
View::ShowAll(); // by default, just delegate back to View
RefreshButtonStateAndVisibility();
}
void WorldView::RefreshButtonStateAndVisibility()
{
assert(m_game);
assert(Pi::player);
assert(!Pi::player->IsDead());
if (m_game->IsPaused())
m_pauseText->Show();
else
m_pauseText->Hide();
if (m_showTargetActionsTimeout) {
if (SDL_GetTicks() - m_showTargetActionsTimeout > 20000) {
m_showTargetActionsTimeout = 0;
m_commsOptions->DeleteAllChildren();
m_commsNavOptions->DeleteAllChildren();
}
m_commsOptions->ShowAll();
m_commsNavOptionsContainer->ShowAll();
} else {
m_commsOptions->Hide();
m_commsNavOptionsContainer->Hide();
}
#if WITH_DEVKEYS
if (Pi::showDebugInfo) {
std::ostringstream ss;
if (Pi::player->GetFlightState() != Ship::HYPERSPACE) {
vector3d pos = Pi::player->GetPosition();
vector3d abs_pos = Pi::player->GetPositionRelTo(m_game->GetSpace()->GetRootFrame());
const Frame *playerFrame = Pi::player->GetFrame();
ss << stringf("Pos: %0{f.2}, %1{f.2}, %2{f.2}\n", pos.x, pos.y, pos.z);
ss << stringf("AbsPos: %0{f.2}, %1{f.2}, %2{f.2}\n", abs_pos.x, abs_pos.y, abs_pos.z);
const SystemPath &path(playerFrame->GetSystemBody()->GetPath());
ss << stringf("Rel-to: %0 [%1{d},%2{d},%3{d},%4{u},%5{u}] ",
playerFrame->GetLabel(),
path.sectorX, path.sectorY, path.sectorZ, path.systemIndex, path.bodyIndex);
ss << stringf("(%0{f.2} km), rotating: %1, has rotation: %2\n",
pos.Length()/1000, (playerFrame->IsRotFrame() ? "yes" : "no"), (playerFrame->HasRotFrame() ? "yes" : "no"));
//Calculate lat/lon for ship position
const vector3d dir = pos.NormalizedSafe();
const float lat = RAD2DEG(asin(dir.y));
const float lon = RAD2DEG(atan2(dir.x, dir.z));
ss << stringf("Lat / Lon: %0{f.8} / %1{f.8}\n", lat, lon);
}
char aibuf[256];
Pi::player->AIGetStatusText(aibuf); aibuf[255] = 0;
ss << aibuf << std::endl;
m_debugInfo->SetText(ss.str());
m_debugInfo->Show();
} else {
m_debugInfo->Hide();
}
#endif
}
void WorldView::Update()
{
PROFILE_SCOPED()
assert(m_game);
assert(Pi::player);
assert(!Pi::player->IsDead());
const double frameTime = Pi::GetFrameTime();
// show state-appropriate buttons
RefreshButtonStateAndVisibility();
// XXX ugly hack checking for console here
if (!Pi::IsConsoleActive()) {
if (GetCamType() == CAM_INTERNAL) {
if (KeyBindings::frontCamera.IsActive()) ChangeInternalCameraMode(InternalCameraController::MODE_FRONT);
else if (KeyBindings::rearCamera.IsActive()) ChangeInternalCameraMode(InternalCameraController::MODE_REAR);
else if (KeyBindings::leftCamera.IsActive()) ChangeInternalCameraMode(InternalCameraController::MODE_LEFT);
else if (KeyBindings::rightCamera.IsActive()) ChangeInternalCameraMode(InternalCameraController::MODE_RIGHT);
else if (KeyBindings::topCamera.IsActive()) ChangeInternalCameraMode(InternalCameraController::MODE_TOP);
else if (KeyBindings::bottomCamera.IsActive()) ChangeInternalCameraMode(InternalCameraController::MODE_BOTTOM);
}
else {
MoveableCameraController *cam = static_cast<MoveableCameraController*>(m_activeCameraController);
if (KeyBindings::cameraRotateUp.IsActive()) cam->RotateUp(frameTime);
if (KeyBindings::cameraRotateDown.IsActive()) cam->RotateDown(frameTime);
if (KeyBindings::cameraRotateLeft.IsActive()) cam->RotateLeft(frameTime);
if (KeyBindings::cameraRotateRight.IsActive()) cam->RotateRight(frameTime);
if (KeyBindings::viewZoomOut.IsActive()) cam->ZoomEvent(ZOOM_SPEED*frameTime); // Zoom out
if (KeyBindings::viewZoomIn.IsActive()) cam->ZoomEvent(-ZOOM_SPEED*frameTime);
if (KeyBindings::cameraRollLeft.IsActive()) cam->RollLeft(frameTime);
if (KeyBindings::cameraRollRight.IsActive()) cam->RollRight(frameTime);
if (KeyBindings::resetCamera.IsActive()) cam->Reset();
cam->ZoomEventUpdate(frameTime);
}
}
m_activeCameraController->Update();
m_cameraContext->BeginFrame();
m_camera->Update();
UpdateProjectedObjects();
const Frame *playerFrame = Pi::player->GetFrame();
const Frame *camFrame = m_cameraContext->GetCamFrame();
//speedlines and contact trails need camFrame for transform, so they
//must be updated here
if (Pi::AreSpeedLinesDisplayed()) {
m_speedLines->Update(m_game->GetTimeStep());
matrix4x4d trans;
Frame::GetFrameTransform(playerFrame, camFrame, trans);
if ( m_speedLines.get() && Pi::AreSpeedLinesDisplayed() ) {
m_speedLines->Update(m_game->GetTimeStep());
trans[12] = trans[13] = trans[14] = 0.0;
trans[15] = 1.0;
m_speedLines->SetTransform(trans);
}
}
if( Pi::AreHudTrailsDisplayed() )
{
matrix4x4d trans;
Frame::GetFrameTransform(playerFrame, camFrame, trans);
for (auto it = Pi::player->GetSensors()->GetContacts().begin(); it != Pi::player->GetSensors()->GetContacts().end(); ++it)
it->trail->SetTransform(trans);
} else {
for (auto it = Pi::player->GetSensors()->GetContacts().begin(); it != Pi::player->GetSensors()->GetContacts().end(); ++it)
it->trail->Reset(playerFrame);
}
UIView::Update();
}
void WorldView::BuildUI(UI::Single *container)
{
}
void WorldView::OnSwitchTo()
{
UIView::OnSwitchTo();
RefreshButtonStateAndVisibility();
}
void WorldView::OnSwitchFrom()
{
Pi::DrawGUI = true;
}
void WorldView::ToggleTargetActions()
{
if (m_game->IsHyperspace() || m_showTargetActionsTimeout)
HideTargetActions();
else
ShowTargetActions();
}
void WorldView::ShowTargetActions()
{
m_showTargetActionsTimeout = SDL_GetTicks();
UpdateCommsOptions();
}
void WorldView::HideTargetActions()
{
m_showTargetActionsTimeout = 0;
UpdateCommsOptions();
}
Gui::Button *WorldView::AddCommsOption(const std::string &msg, int ypos, int xoffset, int optnum)
{
Gui::Label *l = new Gui::Label(msg);
m_commsOptions->Add(l, 50 + xoffset, float(ypos));
char buf[8];
snprintf(buf, sizeof(buf), "%d", optnum);
Gui::LabelButton *b = new Gui::LabelButton(new Gui::Label(buf));
b->SetShortcut(SDL_Keycode(SDLK_0 + optnum), KMOD_NONE);
// hide target actions when things get clicked on
b->onClick.connect(sigc::mem_fun(this, &WorldView::ToggleTargetActions));
m_commsOptions->Add(b, 16 + xoffset, float(ypos));
return b;
}
void WorldView::OnClickCommsNavOption(Body *target)
{
Pi::player->SetNavTarget(target);
m_showTargetActionsTimeout = SDL_GetTicks();
}
void WorldView::AddCommsNavOption(const std::string &msg, Body *target)
{
Gui::HBox *hbox = new Gui::HBox();
hbox->SetSpacing(5);
Gui::Label *l = new Gui::Label(msg);
hbox->PackStart(l);
Gui::Button *b = new Gui::SolidButton();
b->onClick.connect(sigc::bind(sigc::mem_fun(this, &WorldView::OnClickCommsNavOption), target));
hbox->PackStart(b);
m_commsNavOptions->PackEnd(hbox);
}
void WorldView::BuildCommsNavOptions()
{
std::map< Uint32,std::vector<SystemBody*> > groups;
m_commsNavOptions->PackEnd(new Gui::Label(std::string("#ff0")+std::string(Lang::NAVIGATION_TARGETS_IN_THIS_SYSTEM)+std::string("\n")));
for (SystemBody* station : m_game->GetSpace()->GetStarSystem()->GetSpaceStations()) {
groups[station->GetParent()->GetPath().bodyIndex].push_back(station);
}
for ( std::map< Uint32,std::vector<SystemBody*> >::const_iterator i = groups.begin(); i != groups.end(); ++i ) {
m_commsNavOptions->PackEnd(new Gui::Label("#f0f" + m_game->GetSpace()->GetStarSystem()->GetBodies()[(*i).first]->GetName()));
for ( std::vector<SystemBody*>::const_iterator j = (*i).second.begin(); j != (*i).second.end(); ++j) {
SystemPath path = m_game->GetSpace()->GetStarSystem()->GetPathOf(*j);
Body *body = m_game->GetSpace()->FindBodyForPath(&path);
AddCommsNavOption((*j)->GetName(), body);
}
}
}
static void PlayerRequestDockingClearance(SpaceStation *s)
{
std::string msg;
s->GetDockingClearance(Pi::player, msg);
Pi::game->log->Add(s->GetLabel(), msg, GameLog::Priority::PRIORITY_NORMAL);
}
// XXX paying fine remotely can't really be done until crime and
// worldview are in Lua. I'm leaving this code here so its not
// forgotten
/*
static void PlayerPayFine()
{
Sint64 crime, fine;
Polit::GetCrime(&crime, &fine);
if (Pi::player->GetMoney() == 0) {
m_game->log->Add(Lang::YOU_NO_MONEY);
} else if (fine > Pi::player->GetMoney()) {
Polit::AddCrime(0, -Pi::player->GetMoney());
Polit::GetCrime(&crime, &fine);
m_game->log->Add(stringf(
Lang::FINE_PAID_N_BUT_N_REMAINING,
formatarg("paid", format_money(Pi::player->GetMoney())),
formatarg("fine", format_money(fine))));
Pi::player->SetMoney(0);
} else {
Pi::player->SetMoney(Pi::player->GetMoney() - fine);
m_game->log->Add(stringf(Lang::FINE_PAID_N,
formatarg("fine", format_money(fine))));
Polit::AddCrime(0, -fine);
}
}
*/
void WorldView::OnPlayerChangeTarget()
{
Body *b = Pi::player->GetNavTarget();
if (b) {
Sound::PlaySfx("OK");
Ship *s = b->IsType(Object::HYPERSPACECLOUD) ? static_cast<HyperspaceCloud*>(b)->GetShip() : 0;
if (!s || !m_game->GetSectorView()->GetHyperspaceTarget().IsSameSystem(s->GetHyperspaceDest()))
m_game->GetSectorView()->FloatHyperspaceTarget();
}
UpdateCommsOptions();
}
static void autopilot_flyto(Body *b)
{
Pi::player->GetPlayerController()->SetFlightControlState(CONTROL_AUTOPILOT);
Pi::player->AIFlyTo(b);
}
static void autopilot_dock(Body *b)
{
if(Pi::player->GetFlightState() != Ship::FLYING)
return;
Pi::player->GetPlayerController()->SetFlightControlState(CONTROL_AUTOPILOT);
Pi::player->AIDock(static_cast<SpaceStation*>(b));
}
static void autopilot_orbit(Body *b, double alt)
{
Pi::player->GetPlayerController()->SetFlightControlState(CONTROL_AUTOPILOT);
Pi::player->AIOrbit(b, alt);
}
static void player_target_hypercloud(HyperspaceCloud *cloud)
{
Pi::game->GetSectorView()->SetHyperspaceTarget(cloud->GetShip()->GetHyperspaceDest());
}
static void OnCommsSelectAttitude(FlightControlState s) {
Pi::player->GetPlayerController()->SetFlightControlState(s);
}
void WorldView::UpdateCommsOptions()
{
m_commsOptions->DeleteAllChildren();
m_commsNavOptions->DeleteAllChildren();
if (m_showTargetActionsTimeout == 0) return;
if (m_game->GetSpace()->GetStarSystem()->HasSpaceStations())
{
BuildCommsNavOptions();
}
Body * const navtarget = Pi::player->GetNavTarget();
Body * const comtarget = Pi::player->GetCombatTarget();
Gui::Button *button;
int ypos = 0;
int optnum = 1;
if (!(navtarget || comtarget)) {
m_commsOptions->Add(new Gui::Label("#0f0"+std::string(Lang::NO_TARGET_SELECTED)), 16, float(ypos));
ypos += 32;
}
int hasAutopilot = 0;
Pi::player->Properties().Get("autopilot_cap", hasAutopilot);
hasAutopilot = hasAutopilot && (Pi::player->GetFlightState() == Ship::FLYING);
if (navtarget) {
m_commsOptions->Add(new Gui::Label("#0f0"+navtarget->GetLabel()), 16, float(ypos));
ypos += 32;
if (navtarget->IsType(Object::SPACESTATION)) {
SpaceStation *pStation = static_cast<SpaceStation *>(navtarget);
if( pStation->GetMyDockingPort(Pi::player) == -1 )
{
button = AddCommsOption(Lang::REQUEST_DOCKING_CLEARANCE, ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(&PlayerRequestDockingClearance), static_cast<SpaceStation*>(navtarget)));
ypos += 32;
}
if( hasAutopilot )
{
button = AddCommsOption(Lang::AUTOPILOT_DOCK_WITH_STATION, ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(&autopilot_dock), navtarget));
ypos += 32;
}
// XXX paying fine remotely can't really be done until crime and
// worldview are in Lua. I'm leaving this code here so its not
// forgotten
/*
Sint64 crime, fine;
Polit::GetCrime(&crime, &fine);
if (fine) {
button = AddCommsOption(stringf(Lang::PAY_FINE_REMOTELY,
formatarg("amount", format_money(fine))), ypos, optnum++);
button->onClick.connect(sigc::ptr_fun(&PlayerPayFine));
ypos += 32;
}
*/
}
if (hasAutopilot) {
button = AddCommsOption(stringf(Lang::AUTOPILOT_FLY_TO_VICINITY_OF, formatarg("target", navtarget->GetLabel())), ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(&autopilot_flyto), navtarget));
ypos += 32;
if (navtarget->IsType(Object::PLANET) || navtarget->IsType(Object::STAR)) {
button = AddCommsOption(stringf(Lang::AUTOPILOT_ENTER_LOW_ORBIT_AROUND, formatarg("target", navtarget->GetLabel())), ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(autopilot_orbit), navtarget, 1.2));
ypos += 32;
button = AddCommsOption(stringf(Lang::AUTOPILOT_ENTER_MEDIUM_ORBIT_AROUND, formatarg("target", navtarget->GetLabel())), ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(autopilot_orbit), navtarget, 1.6));
ypos += 32;
button = AddCommsOption(stringf(Lang::AUTOPILOT_ENTER_HIGH_ORBIT_AROUND, formatarg("target", navtarget->GetLabel())), ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(autopilot_orbit), navtarget, 3.2));
ypos += 32;
}
}
int analyzer = 0;
Pi::player->Properties().Get("hypercloud_analyzer_cap", analyzer);
if (analyzer && navtarget->IsType(Object::HYPERSPACECLOUD)) {
HyperspaceCloud *cloud = static_cast<HyperspaceCloud*>(navtarget);
if (!cloud->IsArrival()) {
button = AddCommsOption(Lang::SET_HYPERSPACE_TARGET_TO_FOLLOW_THIS_DEPARTURE, ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(player_target_hypercloud), cloud));
ypos += 32;
}
}
}
if (comtarget && hasAutopilot) {
m_commsOptions->Add(new Gui::Label("#f00"+comtarget->GetLabel()), 16, float(ypos));
ypos += 32;
button = AddCommsOption(stringf(Lang::AUTOPILOT_FLY_TO_VICINITY_OF, formatarg("target", comtarget->GetLabel())), ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(autopilot_flyto), comtarget));
ypos += 32;
}
if (Pi::player->GetFlightState() == Ship::FLYING) {
button = AddCommsOption(Lang::HEADING_LOCK_FORWARD, ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(OnCommsSelectAttitude), CONTROL_FIXHEADING_FORWARD));
button = AddCommsOption(Lang::HEADING_LOCK_BACKWARD, ypos, 180, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(OnCommsSelectAttitude), CONTROL_FIXHEADING_BACKWARD));
ypos += 32;
button = AddCommsOption(Lang::HEADING_LOCK_NORMAL, ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(OnCommsSelectAttitude), CONTROL_FIXHEADING_NORMAL));
button = AddCommsOption(Lang::HEADING_LOCK_ANTINORMAL, ypos, 180, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(OnCommsSelectAttitude), CONTROL_FIXHEADING_ANTINORMAL));
ypos += 32;
button = AddCommsOption(Lang::HEADING_LOCK_RADIALLY_INWARD, ypos, 0, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(OnCommsSelectAttitude), CONTROL_FIXHEADING_RADIALLY_INWARD));
button = AddCommsOption(Lang::HEADING_LOCK_RADIALLY_OUTWARD, ypos, 180, optnum++);
button->onClick.connect(sigc::bind(sigc::ptr_fun(OnCommsSelectAttitude), CONTROL_FIXHEADING_RADIALLY_OUTWARD));
ypos += 32;
}
}
int WorldView::GetActiveWeapon() const
{
switch (GetCamType()) {
case CAM_INTERNAL:
return m_internalCameraController->GetMode() == InternalCameraController::MODE_REAR ? 1 : 0;
case CAM_EXTERNAL:
case CAM_SIDEREAL:
default:
return 0;
}
}
static inline bool project_to_screen(const vector3d &in, vector3d &out, const Graphics::Frustum &frustum, const int guiSize[2])
{
if (!frustum.ProjectPoint(in, out)) return false;
out.x *= guiSize[0];
out.y = Gui::Screen::GetHeight() - out.y * guiSize[1];
return true;
}
void WorldView::UpdateProjectedObjects()
{
const Frame *cam_frame = m_cameraContext->GetCamFrame();
matrix3x3d cam_rot = cam_frame->GetOrient();
// later we might want non-ship enemies (e.g., for assaults on military bases)
assert(!Pi::player->GetCombatTarget() || Pi::player->GetCombatTarget()->IsType(Object::SHIP));
// update combat HUD
Ship *enemy = static_cast<Ship *>(Pi::player->GetCombatTarget());
if (enemy) {
const vector3d targpos = enemy->GetInterpPositionRelTo(Pi::player) * cam_rot;
const double dist = targpos.Length();
const vector3d targScreenPos = enemy->GetInterpPositionRelTo(cam_frame);
UpdateIndicator(m_combatTargetIndicator, targScreenPos);
// calculate firing solution and relative velocity along our z axis
int laser = -1;
double projspeed = 0;
if (GetCamType() == CAM_INTERNAL) {
switch (m_internalCameraController->GetMode()) {
case InternalCameraController::MODE_FRONT: laser = 0; break;
case InternalCameraController::MODE_REAR: laser = 1; break;
default: break;
}
}
if (laser >= 0) {
Pi::player->Properties().Get(laser?"laser_rear_speed":"laser_front_speed", projspeed);
}
if (projspeed > 0) { // only display target lead position on views with lasers
const vector3d targvel = enemy->GetVelocityRelTo(Pi::player) * cam_rot;
vector3d leadpos = targpos + targvel*(targpos.Length()/projspeed);
leadpos = targpos + targvel*(leadpos.Length()/projspeed); // second order approx
// now the text speed/distance
// want to calculate closing velocity that you couldn't counter with retros
double vel = targvel.Dot(targpos.NormalizedSafe()); // position should be towards
double raccel =
Pi::player->GetShipType()->linThrust[Thruster::THRUSTER_REVERSE] / Pi::player->GetMass();
double c = Clamp(vel / sqrt(2.0 * raccel * dist), -1.0, 1.0);
float r = float(0.2+(c+1.0)*0.4);
float b = float(0.2+(1.0-c)*0.4);
m_combatTargetIndicator.label->Color(r*255, 0, b*255);
m_targetLeadIndicator.label->Color(r*255, 0, b*255);
UpdateIndicator(m_targetLeadIndicator, leadpos);
if ((m_targetLeadIndicator.side != INDICATOR_ONSCREEN) || (m_combatTargetIndicator.side != INDICATOR_ONSCREEN))
HideIndicator(m_targetLeadIndicator);
// if the lead indicator is very close to the position indicator
// try (just a little) to keep the labels from interfering with one another
if (m_targetLeadIndicator.side == INDICATOR_ONSCREEN) {
assert(m_combatTargetIndicator.side == INDICATOR_ONSCREEN);
SeparateLabels(m_combatTargetIndicator.label, m_targetLeadIndicator.label);
}
} else
HideIndicator(m_targetLeadIndicator);
} else {
HideIndicator(m_combatTargetIndicator);
HideIndicator(m_targetLeadIndicator);
}
}
void WorldView::UpdateIndicator(Indicator &indicator, const vector3d &cameraSpacePos)
{
const int guiSize[2] = { Gui::Screen::GetWidth(), Gui::Screen::GetHeight() };
const Graphics::Frustum frustum = m_cameraContext->GetFrustum();
const float BORDER = 10.0;
const float BORDER_BOTTOM = 90.0;
// XXX BORDER_BOTTOM is 10+the control panel height and shouldn't be needed at all
const float w = Gui::Screen::GetWidth();
const float h = Gui::Screen::GetHeight();
if (cameraSpacePos.LengthSqr() < 1e-6) { // length < 1e-3
indicator.pos.x = w/2.0f;
indicator.pos.y = h/2.0f;
indicator.side = INDICATOR_ONSCREEN;
} else {
vector3d proj;
bool success = project_to_screen(cameraSpacePos, proj, frustum, guiSize);
if (! success)
proj = vector3d(w/2.0, h/2.0, 0.0);
indicator.realpos.x = int(proj.x);
indicator.realpos.y = int(proj.y);
bool onscreen =
(cameraSpacePos.z < 0.0) &&
(proj.x >= BORDER) && (proj.x < w - BORDER) &&
(proj.y >= BORDER) && (proj.y < h - BORDER_BOTTOM);
if (onscreen) {
indicator.pos.x = int(proj.x);
indicator.pos.y = int(proj.y);
indicator.side = INDICATOR_ONSCREEN;
} else {
// homogeneous 2D points and lines are really useful
const vector3d ptCentre(w/2.0, h/2.0, 1.0);
const vector3d ptProj(proj.x, proj.y, 1.0);
const vector3d lnDir = ptProj.Cross(ptCentre);
indicator.side = INDICATOR_TOP;
// this fallback is used if direction is close to (0, 0, +ve)
indicator.pos.x = w/2.0;
indicator.pos.y = BORDER;
if (cameraSpacePos.x < -1e-3) {
vector3d ptLeft = lnDir.Cross(vector3d(-1.0, 0.0, BORDER));
ptLeft /= ptLeft.z;
if (ptLeft.y >= BORDER && ptLeft.y < h - BORDER_BOTTOM) {
indicator.pos.x = ptLeft.x;
indicator.pos.y = ptLeft.y;
indicator.side = INDICATOR_LEFT;
}
} else if (cameraSpacePos.x > 1e-3) {
vector3d ptRight = lnDir.Cross(vector3d(-1.0, 0.0, w - BORDER));
ptRight /= ptRight.z;
if (ptRight.y >= BORDER && ptRight.y < h - BORDER_BOTTOM) {
indicator.pos.x = ptRight.x;
indicator.pos.y = ptRight.y;
indicator.side = INDICATOR_RIGHT;
}
}
if (cameraSpacePos.y < -1e-3) {
vector3d ptBottom = lnDir.Cross(vector3d(0.0, -1.0, h - BORDER_BOTTOM));
ptBottom /= ptBottom.z;
if (ptBottom.x >= BORDER && ptBottom.x < w-BORDER) {
indicator.pos.x = ptBottom.x;
indicator.pos.y = ptBottom.y;
indicator.side = INDICATOR_BOTTOM;
}
} else if (cameraSpacePos.y > 1e-3) {
vector3d ptTop = lnDir.Cross(vector3d(0.0, -1.0, BORDER));
ptTop /= ptTop.z;
if (ptTop.x >= BORDER && ptTop.x < w - BORDER) {
indicator.pos.x = ptTop.x;
indicator.pos.y = ptTop.y;
indicator.side = INDICATOR_TOP;
}
}
}
}
// update the label position
if (indicator.label) {
if (indicator.side != INDICATOR_HIDDEN) {
float labelSize[2] = { 500.0f, 500.0f };
indicator.label->GetSizeRequested(labelSize);
int pos[2] = {0,0};
switch (indicator.side) {
case INDICATOR_HIDDEN: break;
case INDICATOR_ONSCREEN: // when onscreen, default to label-below unless it would clamp to be on top of the marker
pos[0] = -(labelSize[0]/2.0f);
if (indicator.pos.y + pos[1] + labelSize[1] + HUD_CROSSHAIR_SIZE + 2.0f > h - BORDER_BOTTOM)
pos[1] = -(labelSize[1] + HUD_CROSSHAIR_SIZE + 2.0f);
else
pos[1] = HUD_CROSSHAIR_SIZE + 2.0f;
break;
case INDICATOR_TOP:
pos[0] = -(labelSize[0]/2.0f);
pos[1] = HUD_CROSSHAIR_SIZE + 2.0f;
break;
case INDICATOR_LEFT:
pos[0] = HUD_CROSSHAIR_SIZE + 2.0f;
pos[1] = -(labelSize[1]/2.0f);
break;
case INDICATOR_RIGHT:
pos[0] = -(labelSize[0] + HUD_CROSSHAIR_SIZE + 2.0f);
pos[1] = -(labelSize[1]/2.0f);
break;
case INDICATOR_BOTTOM:
pos[0] = -(labelSize[0]/2.0f);
pos[1] = -(labelSize[1] + HUD_CROSSHAIR_SIZE + 2.0f);
break;
}
pos[0] = Clamp(pos[0] + indicator.pos.x, BORDER, w - BORDER - labelSize[0]);
pos[1] = Clamp(pos[1] + indicator.pos.y, BORDER, h - BORDER_BOTTOM - labelSize[1]);
MoveChild(indicator.label, pos[0], pos[1]);
indicator.label->Show();
} else {
indicator.label->Hide();
}
}
}
void WorldView::HideIndicator(Indicator &indicator)
{
indicator.side = INDICATOR_HIDDEN;
indicator.pos = vector2f(0.0f, 0.0f);
if (indicator.label)
indicator.label->Hide();
}
void WorldView::SeparateLabels(Gui::Label *a, Gui::Label *b)
{
float posa[2], posb[2], sizea[2], sizeb[2];
GetChildPosition(a, posa);
a->GetSize(sizea);
sizea[0] *= 0.5f;