raycaster/overlay_ui.cpp

#include "overlay_ui.hpp"
#include "constants.hpp"
#include "color.hpp"
#include "events.hpp"
#include <optional>

namespace gui {
  using namespace guecs;
  using std::string;

  OverlayUI::OverlayUI() {
    $gui.position(RAY_VIEW_X, RAY_VIEW_Y, RAY_VIEW_WIDTH, RAY_VIEW_HEIGHT);
    $gui.layout(
        "[top_left|top|top_right]"
        "[*%(300,300)middle|_|_]"
        "[_|_|_]"
        "[_|_|_]"
        "[bottom_left|bottom|bottom_right]"
        );
  }

  void OverlayUI::render() {
    $gui.init();
  }

  void OverlayUI::draw(sf::RenderWindow& window) {
    $gui.render(window);
  }

  void OverlayUI::show_sprite(string region, string sprite_name) {
    auto ent = $gui.entity(region);
    Sprite blood{sprite_name};
    auto& cell = $gui.cell_for(ent);
    blood.init(cell);
    $gui.set<guecs::Sprite>(ent, blood);
  }

  void OverlayUI::close_sprite(string region) {
    auto ent = $gui.entity(region);
    $gui.remove<guecs::Sprite>(ent);
  }

  void OverlayUI::show_text(string region, string content) {
    auto ent = $gui.entity(region);
    auto &cell = $gui.cell_for(ent);
    Textual text{content, 20};
    text.init(cell, $gui.$font);
    text.text->setFillColor(ColorValue::LIGHT_MID);
    $gui.set<Textual>(ent, text);
  }

  void OverlayUI::update_text(string region, string content) {
    auto ent = $gui.entity(region);
    if(auto text = $gui.get_if<Textual>(ent)) {
      text->text->setString(content);
    }
  }

  void OverlayUI::update_label(string region, string content) {
    auto ent = $gui.entity(region);
    if(auto text = $gui.get_if<Label>(ent)) {
      text->text->setString(content);
    }
  }

  void OverlayUI::close_text(string region) {
    auto ent = $gui.entity(region);
    $gui.remove<Textual>(ent);
  }

  void OverlayUI::show_label(string region, string content) {
    auto ent = $gui.entity(region);
    auto &cell = $gui.cell_for(ent);
    Label text{content, 20};
    text.init(cell, $gui.$font);
    text.text->setFillColor(ColorValue::LIGHT_MID);
    $gui.set<Label>(ent, text);
  }

  void OverlayUI::close_label(string region) {
    auto ent = $gui.entity(region);
    $gui.remove<Label>(ent);
  }
}