src/ui/ui.cpp

   1 #include "CreaturePanel.hpp"
   2
   3 #include "Label.hpp"
   4 #include "Meter.hpp"
   5 #include "../app/Assets.hpp"
   6 #include "../creature/Creature.hpp"
   7 #include "../creature/Need.hpp"
   8 #include "../graphics/Viewport.hpp"
   9
  10 #include <glm/gtx/transform.hpp>
  11
  12
  13 namespace blobs {
  14 namespace ui {
  15
  16 CreaturePanel::CreaturePanel(const app::Assets &assets)
  17 : assets(assets)
  18 , c(nullptr)
  19 , name(new Label(assets.fonts.large))
  20 , needs(new Panel)
  21 , panel()
  22 , health_meter(new Meter)
  23 , need_meters() {
  24         Label *health_label = new Label(assets.fonts.medium);
  25         health_label->Text("Health");
  26         health_meter
  27                 ->Size(glm::vec2(100.0f, assets.fonts.medium.Height() + assets.fonts.medium.Descent()))
  28                 ->Padding(glm::vec2(1.0f))
  29                 ->Border(1.0f)
  30                 ->FillColor(glm::vec4(0.9f, 0.0f, 0.0f, 1.0f))
  31                 ->BorderColor(glm::vec4(0.0f, 0.0f, 0.0f, 1.0f));
  32         Panel *health_panel = new Panel;
  33         health_panel
  34                 ->Add(health_label)
  35                 ->Add(health_meter)
  36                 ->Direction(Panel::HORIZONTAL);
  37         panel
  38                 .Add(name)
  39                 ->Add(health_panel)
  40                 ->Add(needs)
  41                 ->Padding(glm::vec2(10.0f))
  42                 ->Spacing(10.0f)
  43                 ->Direction(Panel::VERTICAL)
  44                 ->Background(glm::vec4(0.7f, 0.7f, 0.7f, 1.0f));
  45 }
  46
  47 CreaturePanel::~CreaturePanel() {
  48 }
  49
  50
  51 void CreaturePanel::Show(creature::Creature &cr) {
  52         c = &cr;
  53         name->Text(c->Name());
  54         CreateNeeds();
  55 }
  56
  57 void CreaturePanel::CreateNeeds() {
  58         needs->Clear()->Reserve(c->Needs().size());
  59         need_meters.clear();
  60         need_meters.reserve(c->Needs().size());
  61         for (auto &need : c->Needs()) {
  62                 Label *label = new Label(assets.fonts.medium);
  63                 label->Text(need->name);
  64                 Meter *meter = new Meter;
  65                 meter
  66                         ->Value(1.0f - need->value)
  67                         ->Size(glm::vec2(100.0f, assets.fonts.medium.Height() + assets.fonts.medium.Descent()))
  68                         ->Padding(glm::vec2(1.0f))
  69                         ->Border(1.0f)
  70                         ->FillColor(glm::vec4(0.0f, 0.0f, 0.0f, 1.0f))
  71                         ->BorderColor(glm::vec4(0.0f, 0.0f, 0.0f, 1.0f));
  72                 Panel *need_panel = new Panel;
  73                 need_panel
  74                         ->Direction(Panel::HORIZONTAL)
  75                         ->Spacing(10.0f)
  76                         ->Add(label)
  77                         ->Add(meter);
  78                 needs->Add(need_panel);
  79                 need_meters.push_back(meter);
  80         }
  81         panel.Relayout();
  82 }
  83
  84 void CreaturePanel::Hide() noexcept {
  85         c = nullptr;
  86 }
  87
  88 void CreaturePanel::Draw(app::Assets &assets, graphics::Viewport &viewport) noexcept {
  89         if (!c) return;
  90
  91         health_meter->Value(c->Health());
  92
  93         if (need_meters.size() != c->Needs().size()) {
  94                 CreateNeeds();
  95         } else {
  96                 auto need = c->Needs().begin();
  97                 auto need_end = c->Needs().end();
  98                 auto meter = need_meters.begin();
  99                 for (; need != need_end; ++need, ++meter) {
 100                         (*meter)->Value(1.0f - (*need)->value);
 101                         if ((*need)->IsSatisfied()) {
 102                                 (*meter)->FillColor(glm::vec4(0.0f, 0.7f, 0.0f, 1.0f));
 103                         } else if ((*need)->IsInconvenient()) {
 104                                 (*meter)->FillColor(glm::vec4(0.7f, 0.5f, 0.0f, 1.0f));
 105                         } else {
 106                                 (*meter)->FillColor(glm::vec4(0.9f, 0.0f, 0.0f, 1.0f));
 107                         }
 108                 }
 109         }
 110
 111         const glm::vec2 margin(20.0f);
 112
 113         panel.Position(glm::vec2(viewport.Width() - margin.x - panel.Size().x, margin.y));
 114         panel.Draw(assets, viewport);
 115 }
 116
 117 }
 118 }