]> git.localhorst.tv Git - blobs.git/blobdiff - src/ui/ui.cpp
balancing
[blobs.git] / src / ui / ui.cpp
index c53426a65c8c119ad8204e3fa7fa78de02f330cd..746be3e5295e1fc71fb7e5bbc82217405936964c 100644 (file)
+#include "BodyPanel.hpp"
 #include "CreaturePanel.hpp"
+#include "RecordsPanel.hpp"
+#include "string.hpp"
+#include "TimePanel.hpp"
 
 #include "Label.hpp"
 #include "Meter.hpp"
 #include "../app/Assets.hpp"
 #include "../creature/Creature.hpp"
-#include "../creature/Need.hpp"
+#include "../creature/Goal.hpp"
 #include "../graphics/Viewport.hpp"
+#include "../math/const.hpp"
+#include "../world/Body.hpp"
+#include "../world/Simulation.hpp"
 
 #include <iomanip>
+#include <iostream>
 #include <sstream>
+#include <glm/gtx/io.hpp>
 #include <glm/gtx/transform.hpp>
 
 
 namespace blobs {
 namespace ui {
 
-CreaturePanel::CreaturePanel(const app::Assets &assets)
+CreaturePanel::CreaturePanel(app::Assets &assets)
 : assets(assets)
 , c(nullptr)
 , name(new Label(assets.fonts.large))
+, parents(new Label(assets.fonts.medium))
+, born(new Label(assets.fonts.medium))
 , age(new Label(assets.fonts.medium))
 , mass(new Label(assets.fonts.medium))
+, size(new Label(assets.fonts.medium))
+, goal(new Label(assets.fonts.medium))
 , pos(new Label(assets.fonts.medium))
 , tile(new Label(assets.fonts.medium))
-, goal(new Label(assets.fonts.medium))
-, needs(new Panel)
-, panel()
-, health_meter(new Meter)
-, need_meters() {
-       Label *health_label = new Label(assets.fonts.medium);
-       health_label->Text("Health");
-       health_meter
-               ->Size(glm::vec2(100.0f, assets.fonts.medium.Height() + assets.fonts.medium.Descent()))
-               ->Padding(glm::vec2(1.0f))
-               ->Border(1.0f)
-               ->FillColor(glm::vec4(0.9f, 0.0f, 0.0f, 1.0f))
-               ->BorderColor(glm::vec4(0.0f, 0.0f, 0.0f, 1.0f));
-       Panel *health_panel = new Panel;
-       health_panel
-               ->Add(health_label)
-               ->Add(health_meter)
-               ->Spacing(10.0f)
-               ->Direction(Panel::HORIZONTAL);
-
-       age->Text("0000s");
+, head(new Label(assets.fonts.medium))
+, composition(new Panel)
+, stats{nullptr}
+, props{nullptr}
+, panel() {
+       Label *parents_label = new Label(assets.fonts.medium);
+       parents_label->Text("Parents");
+       Label *born_label = new Label(assets.fonts.medium);
+       born_label->Text("Born");
        Label *age_label = new Label(assets.fonts.medium);
        age_label->Text("Age");
-       Panel *age_panel = new Panel;
-       age_panel
-               ->Add(age_label)
-               ->Add(age)
-               ->Spacing(10.0f)
-               ->Direction(Panel::HORIZONTAL);
-
-       mass->Text("00.000kg");
        Label *mass_label = new Label(assets.fonts.medium);
        mass_label->Text("Mass");
-       Panel *mass_panel = new Panel;
-       mass_panel
+       Label *size_label = new Label(assets.fonts.medium);
+       size_label->Text("Size");
+       Label *goal_label = new Label(assets.fonts.medium);
+       goal_label->Text("Goal");
+
+       Panel *info_label_panel = new Panel;
+       info_label_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(parents_label)
+               ->Add(born_label)
+               ->Add(age_label)
                ->Add(mass_label)
+               ->Add(size_label)
+               ->Add(goal_label);
+       Panel *info_value_panel = new Panel;
+       info_value_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(parents)
+               ->Add(born)
+               ->Add(age)
                ->Add(mass)
+               ->Add(size)
+               ->Add(goal);
+       Panel *info_panel = new Panel;
+       info_panel
+               ->Direction(Panel::HORIZONTAL)
                ->Spacing(10.0f)
-               ->Direction(Panel::HORIZONTAL);
+               ->Add(info_label_panel)
+               ->Add(info_value_panel);
 
-       pos->Text("<00.0, 00.0, 00.0>");
        Label *pos_label = new Label(assets.fonts.medium);
        pos_label->Text("Pos");
-       Panel *pos_panel = new Panel;
-       pos_panel
-               ->Add(pos_label)
-               ->Add(pos)
-               ->Spacing(10.0f)
-               ->Direction(Panel::HORIZONTAL);
-
-       tile->Text("<00, 00> (mountains)");
        Label *tile_label = new Label(assets.fonts.medium);
        tile_label->Text("Tile");
-       Panel *tile_panel = new Panel;
-       tile_panel
+       Label *head_label = new Label(assets.fonts.medium);
+       head_label->Text("Heading");
+
+       Panel *loc_label_panel = new Panel;
+       loc_label_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(pos_label)
                ->Add(tile_label)
+               ->Add(head_label);
+       Panel *loc_value_panel = new Panel;
+       loc_value_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(pos)
                ->Add(tile)
+               ->Add(head);
+       Panel *loc_panel = new Panel;
+       loc_panel
+               ->Direction(Panel::HORIZONTAL)
                ->Spacing(10.0f)
-               ->Direction(Panel::HORIZONTAL);
+               ->Add(loc_label_panel)
+               ->Add(loc_value_panel);
 
-       goal->Text("long goal description");
-       Label *goal_label = new Label(assets.fonts.medium);
-       goal_label->Text("Goal");
-       Panel *goal_panel = new Panel;
-       goal_panel
-               ->Add(goal_label)
-               ->Add(goal)
-               ->Spacing(10.0f)
-               ->Direction(Panel::HORIZONTAL);
+       Label *stat_label[7];
+       for (int i = 0; i < 7; ++i) {
+               stat_label[i] = new Label(assets.fonts.medium);
+               stats[i] = new Meter;
+               stats[i]
+                       ->Size(glm::vec2(100.0f, assets.fonts.medium.Height() + assets.fonts.medium.Descent()))
+                       ->Padding(glm::vec2(1.0f))
+                       ->Border(1.0f)
+                       ->BorderColor(glm::vec4(0.0f, 0.0f, 0.0f, 1.0f));
+       }
+       stat_label[0]->Text("Damage");
+       stat_label[1]->Text("Breath");
+       stat_label[2]->Text("Thirst");
+       stat_label[3]->Text("Hunger");
+       stat_label[4]->Text("Exhaustion");
+       stat_label[5]->Text("Fatigue");
+       stat_label[6]->Text("Boredom");
+
+       Panel *stat_label_panel = new Panel;
+       stat_label_panel
+               ->Spacing(2)
+               ->Direction(Panel::VERTICAL);
+       Panel *stat_meter_panel = new Panel;
+       stat_label[0]->Layout();
+       stats[0]->Layout();
+       stat_meter_panel
+               ->Spacing(stat_label[0]->Size().y - stats[0]->Size().y + 2)
+               ->Direction(Panel::VERTICAL);
+       for (int i = 0; i < 7; ++i) {
+               stat_label_panel->Add(stat_label[i]);
+               stat_meter_panel->Add(stats[i]);
+       }
+       Panel *stat_panel = new Panel;
+       stat_panel
+               ->Direction(Panel::HORIZONTAL)
+               ->Spacing(10)
+               ->Add(stat_label_panel)
+               ->Add(stat_meter_panel);
+
+       Label *prop_label[9];
+       for (int i = 0; i < 9; ++i) {
+               prop_label[i] = new Label(assets.fonts.medium);
+               props[i] = new Label(assets.fonts.medium);
+       }
+       prop_label[0]->Text("Strength");
+       prop_label[1]->Text("Stamina");
+       prop_label[2]->Text("Dexerty");
+       prop_label[3]->Text("Intelligence");
+       prop_label[4]->Text("Lifetime");
+       prop_label[5]->Text("Fertility");
+       prop_label[6]->Text("Mutability");
+       prop_label[7]->Text("Adaptability");
+       prop_label[8]->Text("Offspring mass");
+
+       Panel *prop_label_panel = new Panel;
+       prop_label_panel
+               ->Spacing(2)
+               ->Direction(Panel::VERTICAL);
+       Panel *prop_meter_panel = new Panel;
+       prop_meter_panel
+               ->Spacing(2)
+               ->Direction(Panel::VERTICAL);
+       for (int i = 0; i < 9; ++i) {
+               prop_label_panel->Add(prop_label[i]);
+               prop_meter_panel->Add(props[i]);
+       }
+       Panel *prop_panel = new Panel;
+       prop_panel
+               ->Direction(Panel::HORIZONTAL)
+               ->Spacing(10)
+               ->Add(prop_label_panel)
+               ->Add(prop_meter_panel);
 
        panel
                .Add(name)
-               ->Add(age_panel)
-               ->Add(mass_panel)
-               ->Add(pos_panel)
-               ->Add(tile_panel)
-               ->Add(goal_panel)
-               ->Add(health_panel)
-               ->Add(needs)
+               ->Add(info_panel)
+               ->Add(loc_panel)
+               ->Add(composition)
+               ->Add(stat_panel)
+               ->Add(prop_panel)
                ->Padding(glm::vec2(10.0f))
                ->Spacing(10.0f)
                ->Direction(Panel::VERTICAL)
-               ->Background(glm::vec4(0.7f, 0.7f, 0.7f, 1.0f));
+               ->Background(glm::vec4(1.0f, 1.0f, 1.0f, 0.7f));
 }
 
 CreaturePanel::~CreaturePanel() {
@@ -114,95 +197,481 @@ CreaturePanel::~CreaturePanel() {
 
 void CreaturePanel::Show(creature::Creature &cr) {
        c = &cr;
-       name->Text(c->Name());
-       CreateNeeds();
-}
-
-void CreaturePanel::CreateNeeds() {
-       needs->Clear()->Reserve(c->Needs().size());
-       need_meters.clear();
-       need_meters.reserve(c->Needs().size());
-       for (auto &need : c->Needs()) {
-               Label *label = new Label(assets.fonts.medium);
-               label->Text(need->name);
-               Meter *meter = new Meter;
-               meter
-                       ->Value(1.0f - need->value)
-                       ->Size(glm::vec2(100.0f, assets.fonts.medium.Height() + assets.fonts.medium.Descent()))
-                       ->Padding(glm::vec2(1.0f))
-                       ->Border(1.0f)
-                       ->FillColor(glm::vec4(0.0f, 0.0f, 0.0f, 1.0f))
-                       ->BorderColor(glm::vec4(0.0f, 0.0f, 0.0f, 1.0f));
-               Panel *need_panel = new Panel;
-               need_panel
-                       ->Direction(Panel::HORIZONTAL)
-                       ->Spacing(10.0f)
-                       ->Add(label)
-                       ->Add(meter);
-               needs->Add(need_panel);
-               need_meters.push_back(meter);
+       born->Text(TimeString(c->Born()));
+
+       if (c->Parents().empty()) {
+               parents->Text("none");
+       } else {
+               std::string parent_string;
+               bool first = true;
+               for (auto p : c->Parents()) {
+                       if (first) {
+                               first = false;
+                       } else {
+                               parent_string += " and ";
+                       }
+                       parent_string += p->Name();
+               }
+               parents->Text(parent_string);
        }
-       panel.Relayout();
 }
 
 void CreaturePanel::Hide() noexcept {
        c = nullptr;
 }
 
-void CreaturePanel::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
+void CreaturePanel::Draw(graphics::Viewport &viewport) noexcept {
        if (!c) return;
 
-       age->Text(std::to_string(int(c->Age())) + "s");
-       {
-               std::stringstream ss;
-               ss << std::fixed << std::setprecision(3) << c->Mass() << "kg";
-               mass->Text(ss.str());
-       }
-       {
-               const glm::dvec3 &p = c->GetSituation().Position();
-               std::stringstream ss;
-               ss << std::fixed << std::setprecision(1)
-                       << "<" << p.x << ", " << p.y << ", " << p.z << ">";
-               pos->Text(ss.str());
-       }
-       {
-               glm::ivec2 t = c->GetSituation().SurfacePosition();
-               std::stringstream ss;
-               ss << std::fixed << std::setprecision(1)
-                       << "<" << t.x << ", " << t.y
-                       << "> (" << c->GetSituation().GetTileType().label << ")";
-               tile->Text(ss.str());
+       std::string name_str(c->Name());
+       if (c->Dead()) {
+               name_str += " (deceased)";
        }
+       name->Text(name_str);
+       age->Text(TimeString(c->Age()));
+       mass->Text(MassString(c->Mass()));
+       size->Text(LengthString(c->Size()));
        if (c->Goals().empty()) {
                goal->Text("none");
        } else {
                goal->Text(c->Goals()[0]->Describe());
        }
-       health_meter->Value(c->Health());
 
-       if (need_meters.size() != c->Needs().size()) {
-               CreateNeeds();
-       } else {
-               auto need = c->Needs().begin();
-               auto need_end = c->Needs().end();
-               auto meter = need_meters.begin();
-               for (; need != need_end; ++need, ++meter) {
-                       (*meter)->Value(1.0f - (*need)->value);
-                       if ((*need)->IsSatisfied()) {
-                               (*meter)->FillColor(glm::vec4(0.0f, 0.7f, 0.0f, 1.0f));
-                       } else if ((*need)->IsInconvenient()) {
-                               (*meter)->FillColor(glm::vec4(0.7f, 0.5f, 0.0f, 1.0f));
-                       } else {
-                               (*meter)->FillColor(glm::vec4(0.9f, 0.0f, 0.0f, 1.0f));
-                       }
+       pos->Text(VectorString(c->GetSituation().Position(), 2));
+       tile->Text(c->GetSituation().GetTileType().label + (
+               c->GetSituation().OnGround()
+                       ? (c->GetSituation().Moving() ? " (moving)" : " (standing)")
+                       : (c->GetSituation().Moving() ? " (flying)" : " (hovering)")
+       ));
+       head->Text(VectorString(c->GetSituation().Heading(), 2));
+
+       const creature::Composition &comp = c->GetComposition();
+       if (comp.size() < components.size()) {
+               components.clear();
+               composition->Clear();
+       }
+       while (comp.size() > components.size()) {
+               components.emplace_back(new Label(assets.fonts.medium));
+               composition->Add(components.back());
+       }
+       {
+               int i = 0;
+               for (auto &cmp : comp) {
+                       components[i]->Text(
+                               PercentageString(cmp.value / comp.TotalMass())
+                               + " " + assets.data.resources[cmp.resource].label);
+                       ++i;
                }
        }
 
+       for (int i = 0; i < 7; ++i) {
+               stats[i]->Value(c->GetStats().stat[i].value);
+               if (c->GetStats().stat[i].Okay()) {
+                       stats[i]->FillColor(glm::vec4(0.0f, 0.7f, 0.0f, 1.0f));
+               } else if (c->GetStats().stat[i].Critical()) {
+                       stats[i]->FillColor(glm::vec4(0.7f, 0.0f, 0.0f, 1.0f));
+               } else {
+                       stats[i]->FillColor(glm::vec4(0.9f, 0.4f, 0.0f, 1.0f));
+               }
+       }
+
+       props[0]->Text(DecimalString(c->Strength(), 2) + " / " + DecimalString(c->GetProperties().Strength(), 2));
+       props[1]->Text(DecimalString(c->Stamina(), 2) + " / " + DecimalString(c->GetProperties().Stamina(), 2));
+       props[2]->Text(DecimalString(c->Dexerty(), 2) + " / " + DecimalString(c->GetProperties().Dexerty(), 2));
+       props[3]->Text(DecimalString(c->Intelligence(), 2) + " / " + DecimalString(c->GetProperties().Intelligence(), 2));
+       props[4]->Text(TimeString(c->Lifetime()));
+       props[5]->Text(PercentageString(c->Fertility()) + " / " + PercentageString(c->GetProperties().Fertility()));
+       props[6]->Text(PercentageString(c->Mutability()));
+       props[7]->Text(PercentageString(c->Adaptability()));
+       props[8]->Text(MassString(c->OffspringMass()));
+
        const glm::vec2 margin(20.0f);
+       panel.Position(glm::vec2(viewport.Width() - margin.x - panel.Size().x, margin.y));
+       panel.Layout();
+       panel.Draw(assets, viewport);
+}
+
+
+BodyPanel::BodyPanel(app::Assets &assets)
+: assets(assets)
+, body(nullptr)
+, name(new Label(assets.fonts.large))
+, mass(new Label(assets.fonts.medium))
+, radius(new Label(assets.fonts.medium))
+, soi(new Label(assets.fonts.medium))
+, operiod(new Label(assets.fonts.medium))
+, rperiod(new Label(assets.fonts.medium))
+, atm(new Label(assets.fonts.medium))
+, sma(new Label(assets.fonts.medium))
+, ecc(new Label(assets.fonts.medium))
+, inc(new Label(assets.fonts.medium))
+, asc(new Label(assets.fonts.medium))
+, arg(new Label(assets.fonts.medium))
+, mna(new Label(assets.fonts.medium))
+, panel() {
+       Label *mass_label = new Label(assets.fonts.medium);
+       mass_label->Text("Mass");
+       Label *radius_label = new Label(assets.fonts.medium);
+       radius_label->Text("Radius");
+       Label *soi_label = new Label(assets.fonts.medium);
+       soi_label->Text("SOI");
+       Label *operiod_label = new Label(assets.fonts.medium);
+       operiod_label->Text("Orb. period");
+       Label *rperiod_label = new Label(assets.fonts.medium);
+       rperiod_label->Text("Rot. period");
+       Label *atm_label = new Label(assets.fonts.medium);
+       atm_label->Text("Atmosphere");
+       Label *sma_label = new Label(assets.fonts.medium);
+       sma_label->Text("SMA");
+       Label *ecc_label = new Label(assets.fonts.medium);
+       ecc_label->Text("Eccentricity");
+       Label *inc_label = new Label(assets.fonts.medium);
+       inc_label->Text("Inclination");
+       Label *asc_label = new Label(assets.fonts.medium);
+       asc_label->Text("Asc. node");
+       Label *arg_label = new Label(assets.fonts.medium);
+       arg_label->Text("Arg. Periapsis");
+       Label *mna_label = new Label(assets.fonts.medium);
+       mna_label->Text("Mean anomaly");
+       Panel *label_panel = new Panel;
+       label_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(mass_label)
+               ->Add(radius_label)
+               ->Add(soi_label)
+               ->Add(operiod_label)
+               ->Add(rperiod_label)
+               ->Add(atm_label)
+               ->Add(sma_label)
+               ->Add(ecc_label)
+               ->Add(inc_label)
+               ->Add(asc_label)
+               ->Add(arg_label)
+               ->Add(mna_label);
+       Panel *value_panel = new Panel;
+       value_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(mass)
+               ->Add(radius)
+               ->Add(soi)
+               ->Add(operiod)
+               ->Add(rperiod)
+               ->Add(atm)
+               ->Add(sma)
+               ->Add(ecc)
+               ->Add(inc)
+               ->Add(asc)
+               ->Add(arg)
+               ->Add(mna);
+       Panel *info_panel = new Panel;
+       info_panel
+               ->Direction(Panel::HORIZONTAL)
+               ->Spacing(10.0f)
+               ->Add(label_panel)
+               ->Add(value_panel);
+
+       panel
+               .Add(name)
+               ->Add(info_panel)
+               ->Padding(glm::vec2(10.0f))
+               ->Spacing(10.0f)
+               ->Direction(Panel::VERTICAL)
+               ->Background(glm::vec4(1.0f, 1.0f, 1.0f, 0.7f));
+}
+
+BodyPanel::~BodyPanel() {
+}
 
+void BodyPanel::Show(world::Body &b) {
+       body = &b;
+       name->Text(b.Name());
+       mass->Text(MassString(b.Mass()));
+       radius->Text(LengthString(b.Radius()));
+       soi->Text(LengthString(b.SphereOfInfluence()));
+       operiod->Text(TimeString(b.OrbitalPeriod()));
+       rperiod->Text(TimeString(b.RotationalPeriod()));
+       atm->Text(b.HasAtmosphere() ? assets.data.resources[b.Atmosphere()].label : std::string("none"));
+       sma->Text(LengthString(b.GetOrbit().SemiMajorAxis()));
+       ecc->Text(DecimalString(b.GetOrbit().Eccentricity(), 3));
+       inc->Text(AngleString(b.GetOrbit().Inclination()));
+       asc->Text(AngleString(b.GetOrbit().LongitudeAscending()));
+       arg->Text(AngleString(b.GetOrbit().ArgumentPeriapsis()));
+       mna->Text(AngleString(b.GetOrbit().MeanAnomaly()));
+}
+
+void BodyPanel::Hide() noexcept {
+       body = nullptr;
+}
+
+void BodyPanel::Draw(graphics::Viewport &viewport) noexcept {
+       if (!Shown()) return;
+
+       const glm::vec2 margin(20.0f);
        panel.Position(glm::vec2(viewport.Width() - margin.x - panel.Size().x, margin.y));
+       panel.Layout();
        panel.Draw(assets, viewport);
 }
 
+
+RecordsPanel::RecordsPanel(world::Simulation &sim)
+: sim(sim)
+, records()
+, holders()
+, panel()
+, shown(true) {
+       Label *rank_label = new Label(sim.Assets().fonts.medium);
+       rank_label->Text("Rank");
+
+       Panel *rank_panel = new Panel;
+       rank_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(rank_label);
+
+       for (int i = 0; i < world::Record::MAX; ++i) {
+               rank_label = new Label(sim.Assets().fonts.medium);
+               rank_label->Text(std::to_string(i + 1));
+               rank_panel->Add(rank_label);
+       }
+
+       panel
+               .Direction(Panel::HORIZONTAL)
+               ->Padding(glm::vec2(10.0f))
+               ->Spacing(45.0f)
+               ->Background(glm::vec4(1.0f, 1.0f, 1.0f, 0.7f))
+               ->Add(rank_panel);
+
+       records.reserve(sim.Records().size() * (world::Record::MAX + 1));
+       holders.reserve(sim.Records().size() * (world::Record::MAX + 1));
+       int ri = 0;
+       for (const auto &r : sim.Records()) {
+               Panel *by_panel = new Panel;
+               by_panel
+                       ->Direction(Panel::VERTICAL);
+               Panel *val_panel = new Panel;
+               val_panel
+                       ->Direction(Panel::VERTICAL);
+               Panel *tab_panel = new Panel;
+               tab_panel
+                       ->Direction(Panel::HORIZONTAL)
+                       ->Spacing(10.0f)
+                       ->Add(by_panel)
+                       ->Add(val_panel);
+               Label *rec_label = new Label(sim.Assets().fonts.medium);
+               rec_label->Text(r.name);
+               Panel *rec_panel = new Panel;
+               rec_panel
+                       ->Direction(Panel::VERTICAL)
+                       ->Add(rec_label)
+                       ->Add(tab_panel);
+               for (int i = 0; i < world::Record::MAX; ++i) {
+                       Label *val_label = new Label(sim.Assets().fonts.medium);
+                       val_panel->Add(val_label);
+                       records.push_back(val_label);
+                       Label *holder_label = new Label(sim.Assets().fonts.medium);
+                       by_panel->Add(holder_label);
+                       holders.push_back(holder_label);
+               }
+               Panel *group_panel = new Panel;
+               group_panel
+                       ->Direction(Panel::HORIZONTAL)
+                       ->Spacing(10.0f)
+                       ->Add(rec_panel);
+               panel.Add(group_panel);
+               ++ri;
+       }
+}
+
+RecordsPanel::~RecordsPanel() {
+}
+
+void RecordsPanel::Draw(graphics::Viewport &viewport) noexcept {
+       if (!shown) return;
+
+       int ri = 0;
+       for (const auto &r : sim.Records()) {
+               for (int i = 0; i < world::Record::MAX; ++i) {
+                       if (!r.rank[i]) {
+                               break;
+                       }
+                       records[ri * world::Record::MAX + i]->Text(r.ValueString(i));
+                       holders[ri * world::Record::MAX + i]->Text(r.rank[i].holder->Name());
+               }
+               ++ri;
+       }
+
+       const glm::vec2 margin(20.0f);
+       panel.Position(glm::vec2(margin.x, margin.y));
+       panel.Layout();
+       panel.Draw(sim.Assets(), viewport);
+}
+
+
+TimePanel::TimePanel(world::Simulation &sim)
+: sim(sim)
+, body(nullptr)
+, live(new Label(sim.Assets().fonts.medium))
+, time(new Label(sim.Assets().fonts.medium))
+, clock(new Label(sim.Assets().fonts.medium))
+, panel() {
+       Label *live_label = new Label(sim.Assets().fonts.medium);
+       live_label->Text("Alive");
+       Label *time_label = new Label(sim.Assets().fonts.medium);
+       time_label->Text("Time");
+       Label *clock_label = new Label(sim.Assets().fonts.medium);
+       clock_label->Text("Clock");
+
+       Panel *label_panel = new Panel;
+       label_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(live_label)
+               ->Add(time_label)
+               ->Add(clock_label);
+
+       Panel *value_panel = new Panel;
+       value_panel
+               ->Direction(Panel::VERTICAL)
+               ->Add(live)
+               ->Add(time)
+               ->Add(clock);
+
+       panel
+               .Direction(Panel::HORIZONTAL)
+               ->Padding(glm::vec2(10.0f))
+               ->Spacing(10.0f)
+               ->Background(glm::vec4(1.0f, 1.0f, 1.0f, 0.7f))
+               ->Add(label_panel)
+               ->Add(value_panel);
+}
+
+TimePanel::~TimePanel() {
+}
+
+void TimePanel::Draw(graphics::Viewport &viewport) noexcept {
+       live->Text(NumberString(sim.LiveCreatures().size()));
+       time->Text(TimeString(sim.Time()));
+       if (body) {
+               clock->Text(TimeString(std::fmod(sim.Time(), body->DayLength())) + " / " + TimeString(body->DayLength()));
+       } else {
+               clock->Text("no reference");
+       }
+
+       const glm::vec2 margin(20.0f);
+       panel.Position(glm::vec2(margin.x, viewport.Height() - margin.y - panel.Size().y));
+       panel.Layout();
+       panel.Draw(sim.Assets(), viewport);
+}
+
+
+namespace {
+std::ostream &custom_fixed(std::ostream &out, double n, int d) {
+       double f = n;
+       int p = d;
+       while (f > 1.0 && p > 0) {
+               --p;
+               f *= 0.1;
+       }
+       if (p > 0) {
+               out << std::fixed << std::setprecision(p) << n;
+       } else {
+               out.unsetf(std::ios_base::floatfield);
+               out << std::setprecision(d) << n;
+       }
+       return out;
+}
+}
+
+std::string AngleString(double a) {
+       std::stringstream s;
+       s << std::fixed << std::setprecision(2) << std::fmod(a * 180.0 * PI_inv, 360.0) << "°";
+       return s.str();
+}
+
+std::string DecimalString(double n, int p) {
+       std::stringstream s;
+       s << std::fixed << std::setprecision(p) << n;
+       return s.str();
+}
+
+std::string LengthString(double m) {
+       std::stringstream s;
+       if (m > 1.5e9) {
+               custom_fixed(s, m * 1.0e-9, 4) << "Gm";
+       } else if (m > 1.5e6) {
+               custom_fixed(s, m * 1.0e-6, 4) << "Mm";
+       } else if (m > 1.5e3) {
+               custom_fixed(s, m * 1.0e-3, 4) << "km";
+       } else if (m < 1.5e-3) {
+               custom_fixed(s, m * 1.0e3, 4) << "mm";
+       } else if (m < 1.5) {
+               custom_fixed(s, m * 1.0e2, 4) << "cm";
+       } else {
+               custom_fixed(s, m, 4) << "m";
+       }
+       return s.str();
+}
+
+std::string MassString(double kg) {
+       std::stringstream s;
+       if (kg > 1.5e12) {
+               custom_fixed(s, kg * 1.0e-12, 4) << "Gt";
+       } else if (kg > 1.5e9) {
+               custom_fixed(s, kg * 1.0e-9, 4) << "Mt";
+       } else if (kg > 1.5e6) {
+               custom_fixed(s, kg * 1.0e-6, 4) << "kt";
+       } else if (kg > 1.5e3) {
+               custom_fixed(s, kg * 1.0e-3, 4) << "t";
+       } else if (kg < 1.0e-3) {
+               custom_fixed(s, kg * 1.0e6, 4) << "mg";
+       } else if (kg < 1.0) {
+               custom_fixed(s, kg * 1.0e3, 4) << "g";
+       } else {
+               custom_fixed(s, kg, 4) << "kg";
+       }
+       return s.str();
+}
+
+std::string NumberString(int n) {
+       return std::to_string(n);
+}
+
+std::string PercentageString(double n) {
+       std::stringstream s;
+       s << std::fixed << std::setprecision(1) << (n * 100.0) << '%';
+       return s.str();
+}
+
+std::string TimeString(double s) {
+       int is = int(s);
+       int md = 1;
+       int sd = 1;
+       std::stringstream ss;
+       ss << std::setfill('0');
+       if (is >= 3600) {
+               ss << (is / 3600) << "h ";
+               is %= 3600;
+               md = 2;
+       }
+       if (is >= 60) {
+               ss << std::setw(md) << (is / 60) << "m ";
+               is %= 60;
+               sd = 2;
+       }
+       ss << std::setw(sd) << is << 's';
+       return ss.str();
+}
+
+std::string VectorString(const glm::dvec3 &v, int p) {
+       std::stringstream ss;
+       ss << std::fixed << std::setprecision(p)
+               << "<" << v.x << ", " << v.y << ", " << v.z << ">";
+       return ss.str();
+}
+
+std::string VectorString(const glm::ivec2 &v) {
+       std::stringstream ss;
+       ss << "<" << v.x << ", " << v.y << ">";
+       return ss.str();
+}
+
 }
 }