Lephisto/src/world_view.cpp
2018-04-14 20:44:30 +01:00

321 lines
10 KiB
C++

#include "world_view.h"
#include "l3d.h"
#include "frame.h"
#include "player.h"
#include "space.h"
#include "space_station.h"
#include "ship_cpanel.h"
#include "serializer.h"
const float WorldView::PICK_OBJECT_RECT_SIZE = 20.0f;
#define BG_STAR_MAX 5000
WorldView::WorldView(void): View() {
float size[2];
GetSize(size);
m_labelsOn = true;
m_camType = CAM_FRONT;
SetTransparency(true);
m_externalViewRotX = m_externalViewRotY = 0;
m_externalViewDist = 200;
m_commsOptions = new Fixed(size[0], size[1]/2);
m_commsOptions->SetTransparency(true);
Add(m_commsOptions, 10, 20);
Gui::MultiStateImageButton* wheels_button = new Gui::MultiStateImageButton();
wheels_button->SetShortcut(SDLK_F6, KMOD_NONE);
wheels_button->AddState(0, "icons/wheels_up.png", "Wheels up.");
wheels_button->AddState(1, "icons/wheels_down.png", "Wheels down.");
wheels_button->onClick.connect(sigc::mem_fun(this, &WorldView::OnChangeWheelsState));
m_rightButtonBar->Add(wheels_button, 34, 2);
Gui::MultiStateImageButton* labels_button = new Gui::MultiStateImageButton();
labels_button->SetShortcut(SDLK_8, KMOD_NONE);
labels_button->AddState(1, "icons/labels_on.png", "Object labels on.");
labels_button->AddState(0, "icons/labels_off.png", "Object labels off.");
labels_button->onClick.connect(sigc::mem_fun(this, &WorldView::OnChangeLabelsState));
m_rightButtonBar->Add(labels_button, 98, 2);
m_hyperspaceButton = new Gui::ImageButton("icons/hyperspace_f8.png");
m_hyperspaceButton->SetShortcut(SDLK_F7, KMOD_NONE);
m_hyperspaceButton->SetToolTip("Hyperspace Jump.");
m_hyperspaceButton->onClick.connect(sigc::mem_fun(this, &WorldView::OnClickHyperspace));
m_rightButtonBar->Add(m_hyperspaceButton, 66, 2);
m_launchButton = new Gui::ImageButton("icons/blastoff.png");
m_launchButton->SetShortcut(SDLK_F5, KMOD_NONE);
m_launchButton->SetToolTip("Takeoff");
m_launchButton->onClick.connect(sigc::mem_fun(this, &WorldView::OnClickBlastoff));
m_rightButtonBar->Add(m_launchButton, 2, 2);
m_flightControlButton = new Gui::MultiStateImageButton();
m_flightControlButton->SetShortcut(SDLK_F5, KMOD_NONE);
m_flightControlButton->AddState(Player::CONTROL_MANUAL, "icons/manual_control.png", "Manual control.");
m_flightControlButton->AddState(Player::CONTROL_AUTOPILOT, "icons/autopilot.png", "Autopilot on.");
m_flightControlButton->onClick.connect(sigc::mem_fun(this, &WorldView::OnChangeFlightState));
m_rightButtonBar->Add(m_flightControlButton, 2, 2);
m_flightStatus = new Gui::Label("");
m_flightStatus->SetColor(1, .7, 0);
m_rightRegion2->Add(m_flightStatus, 10, 3);
m_bgstarsDlist = glGenLists(1);
glNewList(m_bgstarsDlist, GL_COMPILE);
glPushAttrib(GL_ENABLE_BIT);
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
glPointSize(1.0);
glBegin(GL_POINTS);
for(int i = 0; i < BG_STAR_MAX; i++) {
float col = 0.05+L3D::rng.NDouble(3);
col = CLAMP(col, 0, 1);
glColor3f(col, col, col);
glVertex3f(1000-L3D::rng.Double(2000.0), 1000-L3D::rng.Double(2000.0), 1000-L3D::rng.Double(2000.0));
}
glEnd();
glPopAttrib();
glEndList();
}
void WorldView::Save(void) {
using namespace Serializer::Write;
wr_float(m_externalViewRotX);
wr_float(m_externalViewRotY);
wr_float(m_externalViewDist);
wr_int((int)m_camType);
}
void WorldView::Load(void) {
using namespace Serializer::Read;
m_externalViewRotX = rd_float();
m_externalViewRotY = rd_float();
m_externalViewDist = rd_float();
m_camType = (CamType)rd_int();
}
void WorldView::SetCamType(enum CamType c) {
m_camType = c;
}
vector3d WorldView::GetExternalViewTranslation(void) {
vector3d p = vector3d(0, 0, m_externalViewDist);
p = matrix4x4d::RotateXMatrix(-DEG2RAD(m_externalViewRotX)) * p;
p = matrix4x4d::RotateYMatrix(-DEG2RAD(m_externalViewRotY)) * p;
matrix4x4d m;
L3D::player->GetRotMatrix(m);
p = m*p;
return p;
}
void WorldView::ApplyExternalViewRotation(matrix4x4d& m) {
m = matrix4x4d::RotateXMatrix(-DEG2RAD(m_externalViewRotX)) * m;
m = matrix4x4d::RotateYMatrix(-DEG2RAD(m_externalViewRotY)) * m;
}
void WorldView::OnChangeWheelsState(Gui::MultiStateImageButton* b) {
if(!L3D::player->SetWheelState(b->GetState())) {
b->StatePrev();
}
}
void WorldView::OnChangeFlightState(Gui::MultiStateImageButton* b) {
L3D::player->SetFlightControlState(static_cast<Player::FlightControlState>(b->GetState()));
}
void WorldView::OnChangeLabelsState(Gui::MultiStateImageButton* b) {
m_labelsOn = b->GetState();
}
void WorldView::OnClickBlastoff(void) {
L3D::player->Blastoff();
}
void WorldView::OnClickHyperspace(void) {
StarSystem* s = L3D::GetSelectedSystem();
if(s /* && isn't current system. */) {
printf("Traveling through hyperspace. WWEEEEEE!!\n");
L3D::HyperspaceTo(s);
}
}
void WorldView::DrawBgStars(void) {
glCallList(m_bgstarsDlist);
}
void WorldView::Draw3D(void) {
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
/* Wth did I give these functions large names for.. :/ */
float fracH = L3D::GetScrHeight() / (float)L3D::GetScrWidth();
glFrustum(-1, 1, -fracH, fracH, 1.0f, 10000.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if(L3D::player) {
/* Make temporary camera frame at player. */
Frame cam_frame(L3D::player->GetFrame(), "", Frame::TEMP_VIEWING);
matrix4x4d camRot = matrix4x4d::Identity();
if(m_camType == CAM_FRONT) {
cam_frame.SetPosition(L3D::player->GetPosition());
} else if(m_camType == CAM_REAR) {
camRot.RotateY(M_PI);
//glRotatef(180.0f, 0, 1, 0);
cam_frame.SetPosition(L3D::player->GetPosition());
} else { /* CAM_EXTERNAL */
cam_frame.SetPosition(L3D::player->GetPosition() + GetExternalViewTranslation());
ApplyExternalViewRotation(camRot);
}
{
matrix4x4d prot;
L3D::player->GetRotMatrix(prot);
camRot = prot * camRot;
}
cam_frame.SetOrientation(camRot);
matrix4x4d trans2bg;
Frame::GetFrameTransform(Space::GetRootFrame(), &cam_frame, trans2bg);
trans2bg.ClearToRotOnly();
glPushMatrix();
glMultMatrixd(&trans2bg[0]);
DrawBgStars();
glPopMatrix();
/* Position light at sol. */
matrix4x4d m;
Frame::GetFrameTransform(Space::GetRootFrame(), &cam_frame, m);
vector3d lpos = vector3d::Normalize(m*vector3d(0,0,0));
float lightPos[4];
lightPos[0] = lpos.x;
lightPos[1] = lpos.y;
lightPos[2] = lpos.z;
lightPos[3] = 0;
const float* col = StarSystem::starRealColors[L3D::currentSystem->rootBody->type];
float lightCol[4] = { col[0], col[1], col[2], 0 };
float ambCol[4] = { col[0]*0.1, col[1]*0.1, col[2]*0.1, 0 };
glLightfv(GL_LIGHT0, GL_POSITION, lightPos);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightCol);
glLightfv(GL_LIGHT0, GL_AMBIENT, ambCol);
glLightfv(GL_LIGHT0, GL_SPECULAR, lightCol);
Space::Render(&cam_frame);
L3D::player->DrawHUD(&cam_frame);
L3D::player->GetFrame()->RemoveChild(&cam_frame);
}
}
void WorldView::Update(void) {
if(L3D::GetSelectedSystem() && !L3D::player->GetDockedWith()/* && isn't current system */) {
m_hyperspaceButton->Show();
} else {
m_hyperspaceButton->Hide();
}
/* Player control inputs. */
if(L3D::player)
L3D::player->PollControls();
Body* target = L3D::player->GetNavTarget();
if(target) {
m_commsOptions->ShowAll();
} else {
//m_commsOptions->HideAll();
}
if(L3D::player->GetFlightState() == Ship::LANDED) {
m_flightStatus->SetText("Landed");
m_launchButton->Show();
m_flightControlButton->Hide();
} else {
m_flightStatus->SetText("Manual Controls");
m_launchButton->Hide();
m_flightControlButton->Show();
}
}
Gui::Button* WorldView::AddCommsOption(std::string msg, int ypos) {
Gui::Label* l = new Gui::Label(msg);
m_commsOptions->Add(l, 50, ypos);
Gui::TransparentButton* b = new Gui::TransparentButton();
m_commsOptions->Add(b, 16, ypos);
return b;
}
static void PlayerRequestDockingClearance(SpaceStation* s) {
s->GetDockingClearance(L3D::player);
L3D::cpan->SetTemporaryMessage(s, "Docking clearance granted.");
}
void WorldView::UpdateCommsOptions(void) {
Body* const navtarget = L3D::player->GetNavTarget();
m_commsOptions->DeleteAllChildren();
float size[2];
m_commsOptions->GetSize(size);
int ypos = size[1]-16;
if(navtarget) {
if(navtarget->IsType(Object::SPACESTATION)) {
m_commsOptions->Add(new Gui::Label(navtarget->GetLabel()), 16, ypos);
ypos -= 32;
Gui::Button* b = AddCommsOption("Request docking clearance", ypos);
b->onClick.connect(sigc::bind(sigc::ptr_fun(&PlayerRequestDockingClearance), (SpaceStation*)navtarget));
ypos -= 32;
} else {
m_commsOptions->Add(new Gui::Label(navtarget->GetLabel()), 16, ypos);
ypos -= 32;
std::string msg = "Do something to "+navtarget->GetLabel();
Gui::Button* b = AddCommsOption(msg, ypos);
ypos -= 32;
}
}
}
bool WorldView::OnMouseDown(Gui::MouseButtonEvent* e) {
/* If continuing to propagate mouse event, see if target is clicked on. */
if(Container::OnMouseDown(e)) {
if(1 == e->button && !L3D::MouseButtonState(3)) {
/* Left click in view when RMB not pressed => Select target. */
Body* const target = PickBody(e->screenX, e->screenY);
if(L3D::player) {
/* TODO: If in nav mode, SetNavTarget(), else SetCombatTarget(). */
L3D::player->SetNavTarget(target);
}
}
}
return true;
}
Body* WorldView::PickBody(const float screenX, const float screenY) const {
Body* selected = 0;
for(std::list<Body*>::iterator i = Space::bodies.begin(); i != Space::bodies.end(); ++i) {
Body* b = *i;
if(b->IsOnscreen()) {
const vector3d& _pos = b->GetProjectedPos();
const float x1 = _pos.x - PICK_OBJECT_RECT_SIZE * 0.5f;
const float x2 = x1 + PICK_OBJECT_RECT_SIZE;
const float y1 = _pos.y - PICK_OBJECT_RECT_SIZE * 0.5f;
const float y2 = y1 + PICK_OBJECT_RECT_SIZE;
if(screenX >= x1 && screenX <= x2 && screenY >= y1 && screenY <= y2) {
selected = b;
break;
}
}
}
return selected;
}