raycaster/overlay_ui.cpp

#include "overlay_ui.hpp"
#include "constants.hpp"
#include "color.hpp"
#include "events.hpp"

namespace gui {
  using namespace guecs;

  OverlayUI::OverlayUI(GameLevel level, TexturePack& textures) :
    $level(level),
    $textures(textures)
  {
    $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() {
    auto &world = $gui.world();
    for(auto &[name, cell] : $gui.cells()) {
      auto region = $gui.entity(name);
      world.set<lel::Cell>(region, cell);
    }
    $gui.init($textures);
  }

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

  void OverlayUI::show_damage(bool show) {
    auto middle = $gui.entity("middle");

    if(show) {
      Sprite blood{"blood_splatter"};
      auto& cell = $gui.cell_for(middle);
      blood.init(cell, $textures);
      $gui.set<guecs::Sprite>(middle, blood);
    } else {
      $gui.remove<guecs::Sprite>(middle);
    }
  }

  void OverlayUI::init_stats() {
    auto top_left = $gui.entity("top_left");
    auto &cell = $gui.cell_for(top_left);
    Textual text{"", 20};
    text.init(cell, $gui.$font);
    text.text->setFillColor(ColorValue::LIGHT_MID);
    $gui.set<Textual>(top_left, text);
  }

  void OverlayUI::draw_stats(std::string stats) {
    auto top_left = $gui.entity("top_left");
    auto& text = $gui.get<Textual>(top_left);
    text.text->setString(stats);
  }

  void OverlayUI::close_stats() {
    auto top_left = $gui.entity("top_left");
    $gui.remove<Textual>(top_left);
  }
}