A bit of some clean up, API unifying, and some performance tweaks.

gui.cpp

@@ -240,7 +240,9 @@ void GUI::shake() {
 void GUI::render_scene() {
   $renderer.clear();
 
+  $status_ui.render();
   $renderer.draw($status_ui);
+  $map_view.render();
   $renderer.draw($map_view);
 
   $renderer.display();

main.cpp

@@ -15,7 +15,6 @@
  #include <io.h>
 #endif
 
-
 using namespace ftxui;
 namespace fs = std::filesystem;
 

panel.cpp

@@ -13,6 +13,7 @@ void Panel::set_renderer(Component renderer) {
 }
 
 void Panel::add(Component child) {
+  $dirty = true;
   $component->Add(child);
 }
 

panel.hpp

@@ -24,6 +24,7 @@ struct Panel {
   bool must_clear = true;
   bool grid = false;
   sf::Color default_bg = color::BLACK;
+  sf::Color default_fg = color::LIGHT_LIGHT;
   sf::Color border_color = color::MID;
   int border_px = UI_PANEL_BORDER_PX;
 

render.cpp

@@ -69,19 +69,21 @@ inline void configure_tile(const sf::Sprite &sprite, sf::FloatRect &sp_bounds,
   height_delta = bg_bounds.height > sp_bounds.width ? (bg_bounds.height - sp_bounds.height) / 2 : 0;
 }
 
-void SFMLRender::render_grid(const std::wstring &text, float x, float y) {
+void SFMLRender::render_grid(const std::wstring &text, sf::Color default_fg, sf::Color default_bg, float x, float y) {
   wchar_t last_tile = '#';
   sf::FloatRect sp_bounds;
   float width_delta = 0;
   float height_delta = 0;
   sf::Sprite &sprite = get_text_sprite(last_tile);
   const float start_x = x;
-  sf::Color cur_fg = $default_fg;
+  // BUG: get default_fg from panel too
+  sf::Color cur_fg = default_fg;
+  sf::Color cur_bg = default_bg;
 
   // make a copy so we don't modify the cached one
   $ansi.parse(text, [&](sf::Color fg, sf::Color bg) {
       cur_fg = fg;
-      $bg_sprite.setColor(bg);
+      cur_bg = bg;
     },
 
     [&](wchar_t tile) {
@@ -94,7 +96,6 @@ void SFMLRender::render_grid(const std::wstring &text, float x, float y) {
           }
           break;
         default: {
-          $bg_sprite.setPosition({x, y});
 
           // only get a new sprite if the tile changed
           if(last_tile != tile) {
@@ -106,7 +107,13 @@ void SFMLRender::render_grid(const std::wstring &text, float x, float y) {
           sprite.setPosition({x+width_delta, y+height_delta});
           sprite.setColor(cur_fg);
 
-          $window.draw($bg_sprite);
+          // only draw background char if it's different from default
+          if(cur_bg != default_bg) {
+            $bg_sprite.setPosition({x, y});
+            $bg_sprite.setColor(cur_bg);
+            $window.draw($bg_sprite);
+          }
+
           $window.draw(sprite);
           // next cell
           x += $base_glyph.advance;
@@ -135,14 +142,14 @@ inline sf::FloatRect draw_chunk(sf::RenderWindow& window,
   return bounds;
 }
 
-void SFMLRender::render_text(const std::wstring &text, sf::Color default_bg, float start_x, float start_y) {
+void SFMLRender::render_text(const std::wstring &text, sf::Color default_fg, sf::Color default_bg, float start_x, float start_y) {
   std::wstring out;
   float x = start_x;
   float y = start_y;
   sf::Color cur_bg = default_bg;
 
   // start with the default_fg until it's changed
-  $ui_text.setFillColor($default_fg);
+  $ui_text.setFillColor(default_fg);
 
   $ansi.parse(text,
     [&](sf::Color fg, sf::Color bg) {
@@ -184,26 +191,33 @@ void SFMLRender::render_text(const std::wstring &text, sf::Color default_bg, flo
   }
 }
 
+/*
+ * Does not render the panel, you have to do that so you can control
+ * when things render.
+ */
 void SFMLRender::draw(Panel &panel, float x_offset, float y_offset) {
-  panel.render();
   const std::wstring &panelout = panel.to_string();
 
-  if(panel.grid) {
-    render_grid(panelout, panel.x + x_offset, panel.y + y_offset);
-  } else {
-    sf::RectangleShape backing(
-        sf::Vector2f($ui_bounds.width * panel.width + panel.border_px,
-          $ui_bounds.height * panel.height + panel.border_px));
+  // BUG: ui vs bg doesn't make sense. maybe grid vs. text?
+  auto bounds = panel.grid ? $bg_bounds : $ui_bounds;
 
-    backing.setFillColor(panel.default_bg);
+  sf::RectangleShape backing(
+      sf::Vector2f(bounds.width * panel.width + panel.border_px,
+        bounds.height * panel.height + panel.border_px));
 
-    if(panel.has_border) {
-      backing.setOutlineColor(panel.border_color);
-      backing.setOutlineThickness(panel.border_px);
-    }
+  backing.setFillColor(panel.default_bg);
 
-    backing.setPosition(panel.x + x_offset, panel.y + y_offset);
-    $window.draw(backing);
-    render_text(panelout, panel.default_bg, panel.x, panel.y);
+  if(panel.has_border) {
+    backing.setOutlineColor(panel.border_color);
+    backing.setOutlineThickness(panel.border_px);
+  }
+
+  backing.setPosition(panel.x + x_offset, panel.y + y_offset);
+  $window.draw(backing);
+
+  if(panel.grid) {
+    render_grid(panelout, panel.default_fg, panel.default_bg, panel.x + x_offset, panel.y + y_offset);
+  } else {
+    render_text(panelout, panel.default_fg, panel.default_bg, panel.x + x_offset, panel.y + y_offset);
   }
 }

render.hpp

@@ -51,8 +51,8 @@ struct SFMLRender {
 
   sf::Sprite &get_text_sprite(wchar_t tile);
   bool resize_grid(int new_size, Panel &panel_out);
-  void render_grid(const std::wstring &text, float x, float y);
-  void render_text(const std::wstring &text, sf::Color bgcolor, float x, float y);
+  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);
 

scratchpad/img2ansi.cpp

@@ -81,10 +81,7 @@ int main(int argc, char *argv[]) {
   // divide the image into cells
   auto size = image.getSize();
 
-  const Point cell = {4, 6};
-
-  // create a grid panel to hold the cells
-  Panel panel(0, 0, 0, 0, true);
+  const Point cell = {3, 6};
 
   println("IMAGE SIZE {},{}", size.x, size.y);
   RGBColor avg{0,0,0};
@@ -108,8 +105,11 @@ int main(int argc, char *argv[]) {
       }
 
       // average it for the cell size
-      RGBColor color = {avg.r / int(cell.x * cell.y),
-          avg.g / int(cell.x * cell.y), avg.b / int(cell.x * cell.y)};
+      RGBColor color = {
+        avg.r / int(cell.x * cell.y),
+        avg.g / int(cell.x * cell.y),
+        avg.b / int(cell.x * cell.y),
+      };
 
       // add it
       colors[i][j] = color;
@@ -120,10 +120,9 @@ int main(int argc, char *argv[]) {
   }
 
   Canvas drawing;
-
-
+  // create a grid panel to hold the cells
+  Panel panel(0, 0, 0, 0, true);
   SFMLRender renderer;
-
   renderer.resize_grid(26, panel);
 
   drawing = Canvas(panel.width * 2, panel.height * 4);
@@ -142,8 +141,28 @@ int main(int argc, char *argv[]) {
 
   sf::Event event;
 
+  int start_x = 0;
+  int start_y = 0;
+  int end_x = 600;
+  int end_y = 300;
+  int cur_x = start_x;
+  int cur_y = start_y;
+
+  sf::Texture texture;
+  texture.loadFromFile(image_file);
+  sf::Sprite sprite(texture);
+
+  panel.render();
+
   while(renderer.is_open()) {
-    renderer.draw(panel);
+    cur_x = cur_x < end_x ? cur_x + 1 : start_x;
+    cur_y = cur_y < end_y ? cur_y + 1 : start_y;
+
+    // sprite.setPosition(cur_x, cur_y);
+    // renderer.$window.draw(sprite);
+    // renderer.display();
+
+    renderer.draw(panel, cur_x, cur_y);
     renderer.display();
 
     while(renderer.poll_event(event)) {
@@ -151,8 +170,6 @@ int main(int argc, char *argv[]) {
         renderer.close();
       }
     }
-
-    std::this_thread::sleep_for(100ms);
   }
 
   return 0;

status.txt

@@ -1,9 +1,5 @@
 TODAY'S GOAL:
 
-* Image -> Text converter.
-* Renderer needs to not have fixed setting for its size from the map.
-* Refactor out GAME_MAP_* to be a parameter.
-
 
 TODO:
 * Keep panel unified by implementing border and backing on grids too.