icongen now makes a sprite sheet for the map which should be easier to work with.

Makefile

@@ -45,7 +45,7 @@ else
 endif
 
 debug: build
-	gdb --nx -x .gdbinit --ex run --args builddir/zedcaster
+	gdb --nx -x .gdbinit --ex run --args builddir/icongen
 
 debug_run: build
 	gdb --nx -x .gdbinit --batch --ex run --ex bt --ex q --args builddir/zedcaster

meson.build

@@ -170,7 +170,7 @@ executable('zedcaster',
   dependencies: dependencies)
 
 executable('icongen',
-  [ 'dbc.cpp', 'tools/icongen.cpp' ],
+  [ 'config.cpp', 'dbc.cpp', 'tools/icongen.cpp' ],
   cpp_args: cpp_args,
   link_args: link_args,
   override_options: exe_defaults,

shiterator.hpp

@@ -131,8 +131,9 @@
  * I am horribly bad at trigonometry and graphics algorithms, so if you've got an idea to improve them
  * or find a bug shoot me an email at help@learncodethehardway.com.
  */
-namespace shiterator { using std::vector, std::queue, std::array; using
-  std::min, std::max, std::floor;
+namespace shiterator {
+  using std::vector, std::queue, std::array;
+  using std::min, std::max, std::floor;
 
   template<typename T>
   using BaseRow = vector<T>;

tools/icongen.cpp

@@ -3,60 +3,152 @@
 #include <SFML/Graphics.hpp>
 #include <SFML/Graphics/RenderWindow.hpp>
 #include "constants.hpp"
+#include "config.hpp"
+#include <filesystem>
+#include "shiterator.hpp"
+#include <functional>
+
+namespace fs = std::filesystem;
+constexpr const int TILE_COUNT=10;
+
+using namespace shiterator;
+
+using MapRow = BaseRow<wchar_t>;
+using MapGrid = Base<wchar_t>;
+
+struct MapTileBuilder {
+  unsigned int $font_size = 20;
+  sf::Glyph $glyph;
+  sf::Font $font{FONT_FILE_NAME};
+  sf::Vector2u $size;
+  sf::Vector2u $image_size;
+  sf::RenderTexture $render;
+  sf::RenderTexture $temp_render;
+
+  MapTileBuilder(size_t x, size_t y) :
+    $size(x, y),
+    $image_size($size.x * TILE_COUNT, $size.y * TILE_COUNT),
+    $render($image_size),
+    $temp_render($size)
+  {
+    $font.setSmooth(false);
+    $render.setSmooth(false);
+  }
 
-int main() {
-  unsigned int font_size = 30;
-  sf::Vector2u size{32, 32};
+  void best_size(wchar_t for_char) {
+    $font_size = 20; // reset the size
+    // fit the glyph in our box height
+    auto temp = $font.getGlyph(for_char, $font_size, false);
+    auto temp_size = $font_size;
+
+    while(temp.textureRect.size.y < int($size.y)-1
+        && temp.textureRect.size.x < int($size.x)-1)
+    {
+      $glyph = temp;
+      $font_size = temp_size;
+
+      temp_size++;
+      temp = $font.getGlyph(for_char, temp_size, false);
+    }
+  }
 
-  sf::RenderTexture render{size};
-  render.setSmooth(false);
+  void save_image(std::string icon_path) {
+    fs::path out_path{icon_path};
 
-  sf::Font font{FONT_FILE_NAME};
-  font.setSmooth(false);
+    if(fs::exists(out_path)) {
+      fs::remove(out_path);
+    }
 
-  wchar_t display_char = 3848;
+    sf::Image out_img = $render.getTexture().copyToImage();
+
+    bool worked = out_img.saveToFile(out_path);
+    dbc::check(worked, "Failed to write screenshot.png");
+  }
+
+
+  void run(MapGrid& map) {
+    sf::Vector2f cell_pos{0.0f,0.0f};
+
+    for(each_row_t<MapGrid> it{map}; it.next();) {
+      // skip empty slots
+      if(map[it.y][it.x] == 0) continue;
+      cell_pos.x = it.x * $size.x;
+      cell_pos.y = it.y * $size.y;
+
+      wchar_t display_char = map[it.y][it.x];
       std::wstring content{display_char};
-  sf::Text icon{font, content, font_size};
 
+      best_size(display_char);
+
+      sf::Text icon{$font, content, $font_size};
       icon.setFillColor({0, 0, 0, 255});
-  render.draw(icon);
-  render.clear({0,0,0,0});
 
-  // fit the glyph in our box height
-  auto glyph = font.getGlyph(content[0], font_size, false);
+      $temp_render.draw(icon);
+      $temp_render.clear({0,0,0,0});
+
+      auto font_texture = $font.getTexture($font_size);
+      sf::Sprite sprite{font_texture, $glyph.textureRect};
+      auto t_size = $glyph.textureRect.size;
+
+      dbc::check(int($size.x - t_size.x) > 0, "font too big on x");
+      dbc::check(int($size.y - t_size.y) > 0, "font too big on y");
 
-  while(glyph.textureRect.size.y < int(size.y)-1) {
-    font_size++;
-    glyph = font.getGlyph(content[0], font_size, false);
+      sf::Vector2f center{
+        (float($size.x) - float(t_size.x)) / 2.0f,
+        (float($size.y) - float(t_size.y)) / 2.0f};
+
+      sf::Vector2f scale{float($size.x) / float(t_size.x), float($size.y) / float(t_size.y)};
+
+      sprite.setScale(scale);
+      sprite.setPosition(cell_pos);
+      sprite.setColor({0, 0, 0, 255});
+
+      $render.draw(sprite);
     }
 
-  auto font_texture = font.getTexture(font_size);
-  sf::Sprite sprite{font_texture, glyph.textureRect};
-  auto t_size = glyph.textureRect.size;
+    $render.display();
+  }
+};
 
-  dbc::check(int(size.x - t_size.x) > 0, "font too big on x");
-  dbc::check(int(size.y - t_size.y) > 0, "font too big on y");
+void load_config(MapGrid& map, each_row_t<MapGrid>& it, std::string path,
+    std::function<wchar_t(nlohmann::json&)> finder) {
+  Config tiles(path);
 
-  sf::Vector2f center{
-    (float(size.x) - float(t_size.x)) / 2.0f,
-    (float(size.y) - float(t_size.y)) / 2.0f};
+  for(auto [key, val] : tiles.json().items()) {
+    it.next();
+    map[it.y][it.x] = finder(val);
+  }
+}
 
-  sf::Vector2f scale{float(size.x) / float(t_size.x), float(size.y) / float(t_size.y)};
+wchar_t component_display(nlohmann::json& val)  {
+  auto& components = val["components"];
 
-  fmt::println("scale={},{}; t_size={},{}; size={},{}",
-      scale.x, scale.y, t_size.x, t_size.y, size.x, size.y);
+  for(auto& comp : components) {
+    if(comp["_type"] == "Tile") {
+      return comp["display"];
+    }
+  }
 
-  sprite.setScale(scale);
+  dbc::log("BAD CHAR");
+  return L'!';
+}
 
-  sprite.setPosition({0,0});
-  sprite.setColor({0, 0, 0, 255});
 
-  render.draw(sprite);
-  render.display();
-  sf::Image out_img = render.getTexture().copyToImage();
+int main() {
+  MapGrid map = make<wchar_t>(TILE_COUNT, TILE_COUNT);
+  each_row_t<MapGrid> it{map};
 
-  bool worked = out_img.saveToFile("./screenshot.png");
-  dbc::check(worked, "Failed to write screenshot.png");
+  load_config(map, it, "./assets/tiles.json", [](nlohmann::json& val) -> wchar_t {
+      return val["display"];
+  });
+
+  load_config(map, it, "./assets/items.json", component_display);
+  load_config(map, it, "./assets/devices.json", component_display);
+  load_config(map, it, "./assets/enemies.json", component_display);
+
+  MapTileBuilder builder(32, 32);
+  builder.run(map);
 
+  builder.save_image("./assets/map_tiles.png");
   return 0;
 }