f96e519b93
without planets and with no more than two stars. Orbits around center of mass should be correct. World view objects now move along their orbit rails.
215 lines
6.6 KiB
C++
215 lines
6.6 KiB
C++
#include "system_view.h"
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#include "l3d.h"
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#include "sector_view.h"
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#include "star_system.h"
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SystemView::SystemView(void): View() {
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m_system = 0;
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SetTransparency(true);
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m_timePoint = new Gui::Label("");
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m_timePoint->SetColor(.7, .7, .7);
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Add(m_timePoint, 24, 5);
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m_zoomInButton = new Gui::ImageButton("icons/zoom_in_f7.png");
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m_zoomInButton->SetShortcut(SDLK_F7, KMOD_NONE);
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m_rightButtonBar->Add(m_zoomInButton, 34, 2);
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m_zoomOutButton = new Gui::ImageButton("icons/zoom_out_f8.png");
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m_zoomOutButton->SetShortcut(SDLK_F8, KMOD_NONE);
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m_rightButtonBar->Add(m_zoomOutButton, 66, 2);
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Gui::ImageButton* b = new Gui::ImageButton("icons/sysview_accel_r3.png",
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"icons/sysview_accel_r3_on.png");
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b->onPress.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), -10000000.0));
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b->onRelease.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 0.0));
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m_rightRegion2->Add(b, 0, 0);
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b = new Gui::ImageButton("icons/sysview_accel_r2.png",
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"icons/sysview_accel_r2_on.png");
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b->onPress.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), -1000000.0));
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b->onRelease.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 0.0));
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m_rightRegion2->Add(b, 26, 0);
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b = new Gui::ImageButton("icons/sysview_accel_r1.png",
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"icons/sysview_accel_r1_on.png");
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b->onPress.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), -100000.0));
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b->onRelease.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 0.0));
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m_rightRegion2->Add(b, 45, 0);
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b = new Gui::ImageButton("icons/sysview_accel_f1.png",
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"icons/sysview_accel_f1_on.png");
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b->onPress.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 100000.0));
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b->onRelease.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 0.0));
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m_rightRegion2->Add(b, 64, 0);
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b = new Gui::ImageButton("icons/sysview_accel_f2.png",
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"icons/sysview_accel_f2_on.png");
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b->onPress.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 1000000.0));
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b->onRelease.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 0.0));
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m_rightRegion2->Add(b, 83, 0);
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b= new Gui::ImageButton("icons/sysview_accel_f3.png",
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"icons/sysview_accel_f3_on.png");
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b->onPress.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 10000000.0));
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b->onRelease.connect(sigc::bind(sigc::mem_fun(this, &SystemView::OnClickAccel), 0.0));
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m_rightRegion2->Add(b, 102, 0);
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ResetViewpoint();
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}
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SystemView::~SystemView(void) {
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}
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void SystemView::OnClickAccel(float step) {
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m_timeStep = step;
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}
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void SystemView::ResetViewpoint(void) {
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m_selectedObject = 0;
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m_rot_x = m_rot_z = 0;
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m_zoom = 1.0f/AU;
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m_timeStep = 1.0f;
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m_time = L3D::GetGameTime();
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}
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void SystemView::PutOrbit(StarSystem::SBody* b) {
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glColor3f(0, 1, 0);
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glBegin(GL_LINE_LOOP);
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double inc = b->orbit.period/100.0;
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for(double t = 0.0; t < b->orbit.period; t += inc) {
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vector3d pos = b->orbit.CartesianPosAtTime(t);
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pos = pos * m_zoom;
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glVertex3dv(&pos[0]);
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}
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glEnd();
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}
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void SystemView::OnClickObject(StarSystem::SBody* b, const Gui::MouseButtonEvent* ev) {
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m_selectedObject = b;
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}
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void SystemView::PutLabel(StarSystem::SBody* b) {
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GLdouble modelMatrix[16];
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GLdouble projMatrix[16];
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GLint viewport[4];
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glGetDoublev (GL_MODELVIEW_MATRIX, modelMatrix);
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glGetDoublev (GL_PROJECTION_MATRIX, projMatrix);
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glGetIntegerv(GL_VIEWPORT, viewport);
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Gui::Screen::EnterOrtho();
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vector3d pos;
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if(Gui::Screen::Project(0, 0, 0, modelMatrix, projMatrix, viewport, &pos[0], &pos[1], &pos[2])) {
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/* libsigc++ is a lovely thing! */
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Gui::Screen::PutClickableLabel(b->name, pos.x, pos.y,
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sigc::bind<0>(sigc::mem_fun(this, &SystemView::OnClickObject), b));
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}
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Gui::Screen::LeaveOrtho();
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glDisable(GL_LIGHTING);
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}
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/* Yeah, I'm having trouble with a suitable name. :/ idc.*/
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#define ROUGH_SIZE_OF_THING 10.0
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void SystemView::PutBody(StarSystem::SBody* b) {
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if(b->type != StarSystem::TYPE_GRAVPOINT) {
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glPointSize(5);
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glColor3f(1,1,1);
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glBegin(GL_POINTS);
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glVertex3f(0,0,0);
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glEnd();
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PutLabel(b);
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}
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if(b->children.size())
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for(std::vector<StarSystem::SBody*>::iterator kid = b->children.begin();
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kid != b->children.end(); ++kid) {
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if((*kid)->orbit.semiMajorAxis * m_zoom < ROUGH_SIZE_OF_THING)
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PutOrbit(*kid);
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glPushMatrix();
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{
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/* Not using current time yet. */
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vector3d pos = (*kid)->orbit.CartesianPosAtTime(m_time);
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pos = pos * m_zoom;
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glTranslatef(pos.x, pos.y, pos.z);
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PutBody(*kid);
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}
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glPopMatrix();
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}
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}
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static const GLfloat fogDensity = 0.1;
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static const GLfloat fogColor[4] = { 0, 0, 0, 1.0 };
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void SystemView::ViewingTransformTo(StarSystem::SBody* b) {
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if(b->parent) {
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ViewingTransformTo(b->parent);
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vector3d pos = b->orbit.CartesianPosAtTime(m_time);
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pos = pos * m_zoom;
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glTranslatef(-pos.x, -pos.y, -pos.z);
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}
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}
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void SystemView::Draw3D(void) {
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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gluPerspective(50, L3D::GetScrAspect(), 1.0, 1000.0);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glClearColor(0, 0, 0, 0);
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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int sector_x, sector_y, system_idx;
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L3D::sector_view->GetSelectedSystem(§or_x, §or_y, &system_idx);
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if(m_system) {
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if(!m_system->IsSystem(sector_x, sector_y, system_idx)) {
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delete m_system;
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m_system = 0;
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ResetViewpoint();
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}
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}
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m_time += m_timeStep*L3D::GetFrameTime();
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std::string t = "Time point: "+date_format(m_time);
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m_timePoint->SetText(t);
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if(!m_system) m_system = new StarSystem(sector_x, sector_y, system_idx);
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glDisable(GL_LIGHTING);
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glEnable(GL_FOG);
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glFogi(GL_FOG_MODE, GL_EXP2);
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glFogfv(GL_FOG_COLOR, fogColor);
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glFogf(GL_FOG_DENSITY, fogDensity);
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glHint(GL_FOG_HINT, GL_NICEST);
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glTranslatef(0, 0, -ROUGH_SIZE_OF_THING);
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glRotatef(m_rot_x, 1, 0, 0);
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glRotatef(m_rot_z, 0, 0, 1);
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if(m_selectedObject) ViewingTransformTo(m_selectedObject);
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if(m_system->rootBody) PutBody(m_system->rootBody);
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glEnable(GL_LIGHTING);
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glDisable(GL_FOG);
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}
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void SystemView::Update(void) {
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const float ft = L3D::GetFrameTime();
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if(L3D::KeyState(SDLK_EQUALS) ||
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m_zoomInButton->IsPressed()) m_zoom *= pow(4.0f, ft);
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if(L3D::KeyState(SDLK_MINUS) ||
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m_zoomOutButton->IsPressed()) m_zoom *= pow(0.25f, ft);
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if(L3D::MouseButtonState(3)) {
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int motion[2];
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L3D::GetMouseMotion(motion);
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m_rot_x += motion[1]*20*ft;
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m_rot_z += motion[0]*20*ft;
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}
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}
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