Rendering with color is working now but still has problems with enabling/resetting the default colors.

ansi_parser.cpp

@@ -1,5 +1,5 @@
 
-#line 1 ".\\ansi_parser.rl"
+#line 1 "ansi_parser.rl"
 #include <fmt/core.h>
 #include <string_view>
 #include <charconv>
@@ -10,11 +10,11 @@
 using namespace fmt;
 
 
-#line 77 ".\\ansi_parser.rl"
+#line 81 "ansi_parser.rl"
 
 
 
-#line 13 ".\\ansi_parser.cpp"
+#line 13 "ansi_parser.cpp"
 static const char _foo_actions[] = {
 	0, 1, 0, 1, 3, 1, 4, 1, 
 	5, 1, 6, 1, 7, 1, 11, 1, 
@@ -85,7 +85,7 @@ static const int foo_error = 0;
 static const int foo_en_main = 19;
 
 
-#line 80 ".\\ansi_parser.rl"
+#line 84 "ansi_parser.rl"
 
 bool parse_ansi(std::wstring_view codes, sf::Color default_fg, sf::Color default_bg, WriteCB write) {
   const wchar_t *start = NULL;
@@ -96,17 +96,17 @@ bool parse_ansi(std::wstring_view codes, sf::Color default_fg, sf::Color default
   const wchar_t *eof = pe;
   sf::Color bgcolor(default_bg);
   sf::Color color(default_fg);
-  sf::Color &target = bgcolor;
+  sf::Color &target = color;
 
   
-#line 94 ".\\ansi_parser.cpp"
+#line 94 "ansi_parser.cpp"
 	{
 	cs = foo_start;
 	}
 
-#line 93 ".\\ansi_parser.rl"
+#line 97 "ansi_parser.rl"
   
-#line 97 ".\\ansi_parser.cpp"
+#line 97 "ansi_parser.cpp"
 	{
 	int _klen;
 	unsigned int _trans;
@@ -180,13 +180,13 @@ _match:
 		switch ( *_acts++ )
 		{
 	case 0:
-#line 14 ".\\ansi_parser.rl"
+#line 14 "ansi_parser.rl"
 	{
     start = p;
   }
 	break;
 	case 1:
-#line 18 ".\\ansi_parser.rl"
+#line 18 "ansi_parser.rl"
 	{
     value = 0;
     size_t len = p - start;
@@ -210,52 +210,56 @@ _match:
   }
 	break;
 	case 2:
-#line 40 ".\\ansi_parser.rl"
+#line 40 "ansi_parser.rl"
 	{ }
 	break;
 	case 3:
-#line 41 ".\\ansi_parser.rl"
-	{ target = color; }
+#line 41 "ansi_parser.rl"
+	{
+    target = color;
+  }
 	break;
 	case 4:
-#line 42 ".\\ansi_parser.rl"
-	{ target = bgcolor; }
+#line 44 "ansi_parser.rl"
+	{
+    target = bgcolor;
+  }
 	break;
 	case 5:
-#line 44 ".\\ansi_parser.rl"
+#line 48 "ansi_parser.rl"
 	{
     write(bgcolor, color, (*p));
   }
 	break;
 	case 6:
-#line 48 ".\\ansi_parser.rl"
+#line 52 "ansi_parser.rl"
 	{ color = default_fg; }
 	break;
 	case 7:
-#line 49 ".\\ansi_parser.rl"
+#line 53 "ansi_parser.rl"
 	{ bgcolor = default_bg; }
 	break;
 	case 8:
-#line 51 ".\\ansi_parser.rl"
+#line 55 "ansi_parser.rl"
 	{ target.r = value; }
 	break;
 	case 9:
-#line 52 ".\\ansi_parser.rl"
+#line 56 "ansi_parser.rl"
 	{ target.g = value; }
 	break;
 	case 10:
-#line 53 ".\\ansi_parser.rl"
+#line 57 "ansi_parser.rl"
 	{ target.b = value; }
 	break;
 	case 11:
-#line 54 ".\\ansi_parser.rl"
+#line 58 "ansi_parser.rl"
 	{ value = 0; }
 	break;
 	case 12:
-#line 55 ".\\ansi_parser.rl"
+#line 59 "ansi_parser.rl"
 	{ }
 	break;
-#line 232 ".\\ansi_parser.cpp"
+#line 236 "ansi_parser.cpp"
 		}
 	}
 
@@ -272,10 +276,10 @@ _again:
 	while ( __nacts-- > 0 ) {
 		switch ( *__acts++ ) {
 	case 12:
-#line 55 ".\\ansi_parser.rl"
+#line 59 "ansi_parser.rl"
 	{ }
 	break;
-#line 250 ".\\ansi_parser.cpp"
+#line 254 "ansi_parser.cpp"
 		}
 	}
 	}
@@ -283,7 +287,7 @@ _again:
 	_out: {}
 	}
 
-#line 94 ".\\ansi_parser.rl"
+#line 98 "ansi_parser.rl"
 
   return p - pe == 0;
 }

ansi_parser.rl

@@ -38,8 +38,12 @@ using namespace fmt;
   }
 
   action color24b { }
-  action is_fg { target = color; }
-  action is_bg { target = bgcolor; }
+  action is_fg {
+    target = color;
+  }
+  action is_bg {
+    target = bgcolor;
+  }
 
   action out {
     write(bgcolor, color, fc);
@@ -87,7 +91,7 @@ bool parse_ansi(std::wstring_view codes, sf::Color default_fg, sf::Color default
   const wchar_t *eof = pe;
   sf::Color bgcolor(default_bg);
   sf::Color color(default_fg);
-  sf::Color &target = bgcolor;
+  sf::Color &target = color;
 
   %% write init;
   %% write exec;

main.cpp

@@ -7,6 +7,10 @@
 #include "collider.hpp"
 #include "render.hpp"
 
+#include "ftxui/screen/terminal.hpp"  // for SetColorSupport, Color, TrueColor
+
+using namespace ftxui;
+
 /*
  * This needs to be turned into a real world generator
  * system.
@@ -47,6 +51,7 @@ void configure_world(DinkyECS::World &world, Map &game_map) {
 
 
 int main() {
+  Terminal::SetColorSupport(Terminal::Color::TrueColor);
   DinkyECS::World world;
   Map game_map(GAME_MAP_X, GAME_MAP_Y);
   game_map.generate();

map.hpp

@@ -12,9 +12,10 @@
 #define WALL_VALUE 1
 #define SPACE_VALUE 0
 #define WALL_TILE "█"
-#define FLOOR_TILE "."
-#define PLAYER_TILE "☺"
+#define FLOOR_TILE "\u2849"
+#define PLAYER_TILE "♣"
 #define ENEMY_TILE "Ω"
+#define BG_TILE L'█'
 
 struct Room {
   size_t x = 0;

render.cpp

@@ -59,7 +59,7 @@ bool SFMLRender::resize_map(int new_size) {
   if(MIN_FONT_SIZE < new_size && new_size < MAX_FONT_SIZE) {
     $sprites.clear(); // need to reset the sprites for the new size
     $map_font_size = new_size;
-    $base_glyph = $font.getGlyph(L'█', $map_font_size, false);
+    $base_glyph = $font.getGlyph(BG_TILE, $map_font_size, false);
     $line_spacing = $font.getLineSpacing($map_font_size);
     return true;
   } else {
@@ -85,7 +85,7 @@ void SFMLRender::draw_screen(bool clear, float map_off_x, float map_off_y) {
   float y = 0.0f;
   float x = GAME_MAP_POS;
   // make a copy so we don't modify the cached one
-  auto bg_sprite = get_text_sprite(L'█');
+  auto bg_sprite = get_text_sprite(BG_TILE);
   auto bg_bounds = bg_sprite.getLocalBounds();
   sf::Color def_fg(color(Value::MID));
   sf::Color def_bg(color(Value::BLACK));

render.hpp

@@ -10,6 +10,8 @@
 
 using ftxui::Canvas, ftxui::Screen;
 
+#define BG_TILE L'█'
+
 constexpr int VIDEO_X = 1600;
 constexpr int VIDEO_Y = 900;
 constexpr int MIN_FONT_SIZE = 20;

status.txt

@@ -4,18 +4,9 @@ NOTES:
 * src/ftxui/screen/color.cpp
 * Just search for ugrep x1B
 * https://man7.org/linux/man-pages/man4/console_codes.4.html
-* amit note:
-
-Struct A {
-  int data;
-  template <typename T> A(T t) : data(static_cast<int>(t)) {}
-};
-A a(my_enum);
 
 TODO:
 
-* Actually render FTXUI ansi output instead of the gui.cpp hack.
-* Rewrite collider to return a real struct not tuple.
 * Write a test that generates a ton of maps then confirms there's a path from one room to every other room?
 * Lua integration?
 

systems.cpp

@@ -6,6 +6,7 @@
 #include "collider.hpp"
 #include "events.hpp"
 #include "ftxui/screen/color.hpp"
+#include "ftxui/screen/terminal.hpp"  // for SetColorSupport, Color, TrueColor
 
 using std::string;
 using namespace fmt;
@@ -126,7 +127,7 @@ void System::draw_entities(DinkyECS::World &world, Map &game_map, ftxui::Canvas
         && pos.location.y >= cam_orig.y && pos.location.y <= cam_orig.y + view_y) {
       Point loc = game_map.map_to_camera(pos.location, cam_orig);
       // the 2 and 4 are from ftxui::Canvas since it does a kind of "subpixel" drawing
-      canvas.DrawText(loc.x*2, loc.y*4, tile.chr);
+      canvas.DrawText(loc.x*2, loc.y*4, tile.chr, Color::RGB(255, 50, 50));
     }
   });
 }
@@ -144,7 +145,11 @@ void System::draw_map(DinkyECS::World &world, Map &game_map, ftxui::Canvas &canv
     for(size_t y = 0; y < end_y; ++y) {
       string tile = walls[start.y+y][start.x+x] == 1 ? WALL_TILE : FLOOR_TILE;
       // the 2 and 4 are from ftxui::Canvas since it does a kind of "subpixel" drawing
-      canvas.DrawText(x * 2, y * 4, tile, Color::HSV(100, 10, 10));
+      if(tile == WALL_TILE) {
+        canvas.DrawText(x * 2, y * 4, tile, Color::RGB(70, 70, 70));
+      } else {
+        canvas.DrawText(x * 2, y * 4, tile, Color::RGB(20, 20, 20));
+      }
     }
   }