The new SFMLGui is now worked into the code and barely works. Cleanup is next.

gui.cpp

@@ -2,22 +2,15 @@
 #include <stdlib.h>                   // for EXIT_SUCCESS
 #include <chrono>                     // for milliseconds
 #include <fmt/core.h>
-#include <ftxui/component/event.hpp>  // for Event
-#include <ftxui/component/mouse.hpp>  // for ftxui
-#include <ftxui/dom/elements.hpp>  // for text, separator, Element, operator|, vbox, border
 #include <memory>                  // for allocator, shared_ptr
 #include <string>                  // for operator+, to_string
 #include <thread>                  // for sleep_for
-
-#include "ftxui/component/component.hpp"  // for CatchEvent, Renderer, operator|=
-#include "ftxui/component/loop.hpp"       // for Loop
-#include "ftxui/component/screen_interactive.hpp"  // for ScreenInteractive
 #include <vector>
 #include <SFML/Audio.hpp>
 #include <nlohmann/json.hpp>
 #include <fstream>
+#include "sfmlgui.hpp"
 
-using namespace ftxui;
 using namespace std;
 using namespace fmt;
 using namespace nlohmann;
@@ -28,7 +21,7 @@ void SoundQuip::load(json &data, const char *file_key) {
   json::string_t file_name = audio[file_key].template get<std::string>();
 
   if(!buffer.loadFromFile(file_name)) {
-    cout << "Failed to load sound: " << file_key << " with file " << file_name << "\n";
+    println("Failed to load sound: {} with file {}", file_key, file_name);
   }
 
   sound.setBuffer(buffer);
@@ -58,78 +51,18 @@ void GUI::output(const string &msg) {
 }
 
 int GUI::main_loop(GameEngine &game, std::function<bool()> runner) {
-  auto screen = ScreenInteractive::Fullscreen();
-  screen.TrackMouse(true);
-
-  // Create a component counting the number of frames drawn and event handled.
-  float scroll_x = 0.1;
-  float scroll_y = 1.0;
-
-  auto status = Renderer([&] {
-      return vbox({
-        text(fmt::format("HP {} | Hits Taken {} | Round {} | Streak {}", game.hit_points, game.hits_taken, game.rounds, game.streak)),
-        separator(),
-        hbox({
-            text("HP "),
-            gauge(game.hit_points / 100.0f),
-          }),
-      });
-  });
-
-  auto content = Renderer([&] {
-      vector<Element> output;
-
-      for(const auto line : lines) {
-        output.push_back(text(line));
-      }
+  auto gui = SFMLGui(game);
+
+  gui.startup();
 
-      return vbox(output);
-    });
-
-  auto game_stuff = Renderer([&] {
-      return vbox({
-        text("Welcome to...Turing's Tarpit!"),
-        separator(),
-        hbox({
-          text("Your Face") | center | xflex_grow ,
-          text("Something Fun") | border | flex,
-        }) | yflex_grow
-      });
-  });
-
-  auto build_log = Renderer(content,
-      [&, content] {
-      return content->Render()
-        | focusPositionRelative(scroll_x, scroll_y)
-        | frame | flex;
-  });
-
-  auto component = Renderer(build_log, [&] {
-    return vbox({
-        status->Render(),
-        separator(),
-        build_log->Render() | vscroll_indicator | yframe | yflex_grow,
-        separator(),
-        game_stuff->Render() | flex | size(HEIGHT, GREATER_THAN, 20),
-      });
-  });
-
-  component |= CatchEvent([&](Event) -> bool {
-    return false;
-  });
-
-  Loop loop(&screen, component);
-
-  while (!loop.HasQuitted()) {
-    int run_error = runner();
-
-    if(run_error != 0) output("RUNNER ERROR!!!! CATASTROPHIC!!!");
-
-    loop.RunOnce();
-    screen.Post(Event::Custom);
-    std::this_thread::sleep_for(std::chrono::milliseconds(10));
+  while (gui.is_open()) {
+    bool result = runner();
+    gui.handle_events();
+    gui.update_entities();
+    gui.update_log(lines);
   }
 
+  gui.shutdown();
   return EXIT_SUCCESS;
 }
 

meson.build

@@ -34,6 +34,7 @@ executable('escape_turings_tarpit',
     'gui.cpp',
     'watcher.cpp',
     'builder.cpp',
+    'sfmlgui.cpp',
     'escape_turings_tarpit.cpp'],
   dependencies: dependencies)
 
@@ -52,15 +53,10 @@ executable('audiotest', 'audiotest.cpp',
 executable('jsontest', 'jsontest.cpp',
   dependencies: dependencies)
 
-executable('sfmltest', [
-    'sfmltest.cpp',
-    'sfmlgui.cpp',
-  ],
-  dependencies: dependencies)
-
 runtests = executable('runtests', [
   'game_engine.cpp',
-  'tests/game_engine.cpp'],
+  'tests/game_engine.cpp',
+  ],
   dependencies: dependencies + [catch2])
 
 test('the tests', runtests)

sfmlgui.cpp

@@ -30,8 +30,8 @@ void SFMLGui::ImGui_update() {
 
   TextColored(ImVec4(1,1,0,1), "Build Log");
   BeginChild("Scrolling");
-    for(int n = 0; n < 50; n++) {
-      TextWrapped("%04d: Some Text", n);
+  for(string &line : log) {
+    TextWrapped(line.c_str());
   }
   EndChild();
   End();
@@ -86,7 +86,7 @@ sf::Vector2f translate(int x, int y) {
 }
 
 
-void SFMLGui::write_text(int x, int y, const char *content) {
+void SFMLGui::write_text(int x, int y, string content) {
   sf::Vector2f position = translate(x,y);
   sf::Text text;
   text.setFont(font);
@@ -107,25 +107,24 @@ void SFMLGui::update_entities() {
   face_box.setFillColor(sf::Color(200, 250, 200));
   window.draw(face_box);
 
-  sf::RectangleShape hp_bar(translate(32,2));
+  constexpr int hp_box_len = 44;
+
+  int current_hp = (float(game.hit_points) / float(game.starting_hp)) * float(hp_box_len);
+
+  sf::RectangleShape hp_bar(translate(current_hp,2));
   hp_bar.setPosition(translate(2,21));
   hp_bar.setFillColor(sf::Color(100, 250, 50));
   window.draw(hp_bar);
 
-  sf::RectangleShape hp_box(translate(44,2));
+  sf::RectangleShape hp_box(translate(hp_box_len,2));
   hp_box.setPosition(translate(2,21));
   hp_box.setOutlineColor(sf::Color(100, 200, 50));
   hp_box.setOutlineThickness(10);
   hp_box.setFillColor(sf::Color::Transparent);
   window.draw(hp_box);
 
-  write_text(2, 18, "HP 222");
-  // rounds text
-  write_text(9, 18, "Rounds 333");
-  // // streaks text
-  write_text(21, 18, "Streaks 444");
-  // // deaths text
-  write_text(33, 18, "Deaths 555");
+  string status = fmt::format("HP {} Rounds {}  Streaks {}  Deaths XXX", game.hit_points, game.rounds, game.streak);
+  write_text(2, 18, status);
 
   if(show_build_log) {
     ImGui_update();
@@ -135,10 +134,18 @@ void SFMLGui::update_entities() {
   show_build_log = window_active_out;
 }
 
-SFMLGui::SFMLGui() : window(sf::VideoMode(X_DIM, Y_DIM), "Turing's Tarpit", sf::Style::None, settings) {
+SFMLGui::SFMLGui(GameEngine &g) : window(sf::VideoMode(X_DIM, Y_DIM), "Turing's Tarpit", sf::Style::None, settings), game(g)
+{
 
 }
 
+void SFMLGui::update_log(vector<string> &lines) {
+  log.clear();
+  for(string &line : lines) {
+    log.push_back(line);
+  }
+}
+
 void SFMLGui::startup() {
   fmt::print("Setting up a window for you...\n");
   settings.antialiasingLevel = 8;
@@ -152,13 +159,6 @@ void SFMLGui::startup() {
   window.setFramerateLimit(FPS);
   window.setVerticalSyncEnabled(true);
   ImGui_setup();
-
-  // fake image here
-  if(!texture.loadFromFile("./assets/turing_tarpit_main_screen.png")) {
-    fmt::println("Error loading sprite!");
-  }
-  texture.setSmooth(true);
-  background.setTexture(texture);
 }
 
 bool SFMLGui::is_open() {

sfmlgui.hpp

@@ -3,6 +3,8 @@
 #include <SFML/Graphics/RenderWindow.hpp>
 #include <SFML/Graphics/Sprite.hpp>
 #include <SFML/Graphics/Font.hpp>
+#include "game_engine.hpp"
+#include <string>
 
 constexpr int FPS=30;
 constexpr int X_DIM = 1920 / 2;
@@ -22,9 +24,11 @@ class SFMLGui {
   bool show_build_log = false;
   int hit_points = 50;
   sf::Font font;
+  GameEngine &game;
+  vector<string> log;
 
 public:
-  SFMLGui();
+  SFMLGui(GameEngine &g);
 
   void startup();
 
@@ -33,8 +37,9 @@ public:
 
   void handle_events();
   void update_entities();
+  void update_log(vector<string> &lines);
 
-  void write_text(int x, int y, const char *content);
+  void write_text(int x, int y, std::string content);
 
   void ImGui_setup();
   void ImGui_update();

sfmltest.cpp

@@ -1,14 +0,0 @@
-#include "sfmlgui.hpp"
-
-int main() {
-  auto gui = SFMLGui();
-
-  gui.startup();
-
-  while (gui.is_open()) {
-    gui.handle_events();
-    gui.update_entities();
-  }
-
-  gui.shutdown();
-}