We now have a full map that's basically the same mapping system from Roguish. There's a bug right now where it needs you to move once to calc the light and it's not being centered, but it does work.

render.hpp

@@ -0,0 +1,80 @@
+#pragma once
+
+#include <ftxui/screen/screen.hpp>
+#include <ftxui/dom/canvas.hpp>
+#include <SFML/Window.hpp>
+#include <SFML/System.hpp>
+#include <SFML/Graphics.hpp>
+#include <SFML/Graphics/Rect.hpp>
+#include "point.hpp"
+#include <codecvt>
+#include "ansi_parser.hpp"
+#include "panel.hpp"
+#include "constants.hpp"
+#include <optional>
+
+using ftxui::Canvas, ftxui::Screen;
+
+/*
+ * BUG: This could be so much better.
+ */
+struct RenderConfig {
+  unsigned int video_x = VIDEO_WINDOW_X;
+  unsigned int video_y = VIDEO_WINDOW_Y;
+  int ui_font_size=UI_FONT_SIZE;
+  int base_map_font_size=BASE_MAP_FONT_SIZE;
+  wchar_t bg_tile = BG_TILE;
+  wchar_t ui_base_char = UI_BASE_CHAR;
+  int bg_box_offset=BG_BOX_OFFSET;
+};
+
+struct SFMLRender {
+  int $cells_w = 0;
+  int $cells_h = 0;
+  RenderConfig $config;
+  sf::RenderWindow& $window;
+  int $map_font_size;
+  float $line_spacing;
+  sf::Color $default_fg;
+  sf::Color $default_bg;
+  sf::Texture $font_texture;
+  sf::Sprite $bg_sprite;
+  sf::Font $font;
+  sf::Text $ui_text;
+  ANSIParser $ansi;
+
+  std::unordered_map<wchar_t, sf::Sprite> $sprites;
+  sf::Glyph $base_glyph;
+  sf::FloatRect $grid_bounds;
+  std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> $converter;
+  sf::FloatRect $text_bounds;
+
+  SFMLRender(sf::RenderWindow& window);
+
+  // disable copy
+  SFMLRender(SFMLRender &other) = delete;
+
+  sf::Sprite &get_text_sprite(wchar_t tile);
+  void resize_grid(int new_size, Panel &panel_out);
+  void render_grid(const std::wstring &text, sf::Color default_fg, sf::Color default_bg, float x, float y);
+  void render_text(const std::wstring &text, sf::Color default_fg, sf::Color default_bg, float x, float y);
+
+  void draw(Panel &panel, float x_offset=0.0f, float y_offset=0.0f);
+  void draw_sprite(sf::Sprite &sprite, sf::Shader *shader);
+  void center_panel(Panel &panel);
+
+  std::optional<sf::Event> poll_event() {
+    return $window.pollEvent();
+  }
+
+  void close() { return $window.close(); }
+
+  bool is_open() { return $window.isOpen(); }
+
+  int font_size() { return $map_font_size; }
+  void clear() { $window.clear(); }
+  void display() { $window.display(); }
+  bool mouse_position(Panel &panel, Point &out);
+  void clear_cache();
+  static void init_terminal();
+};