ANSI code renderer starts working but I have to make it utf8/wchar_t friendly.

ansi_parser.cpp

@@ -5,105 +5,108 @@
 #include <charconv>
 #include "dbc.hpp"
 #include <SFML/Graphics.hpp>
+#include "ansi_parser.hpp"
 
 using namespace fmt;
 
 
-#line 62 ".\\ansi_parser.rl"
+#line 59 ".\\ansi_parser.rl"
 
 
 
-#line 12 ".\\ansi_parser.cpp"
+#line 13 ".\\ansi_parser.cpp"
 static const char _foo_actions[] = {
 	0, 1, 0, 1, 3, 1, 4, 1, 
-	5, 1, 9, 1, 10, 2, 1, 6, 
-	2, 1, 7, 2, 10, 5, 3, 1, 
-	8, 2
+	5, 1, 6, 1, 7, 1, 11, 1, 
+	12, 2, 1, 8, 2, 1, 9, 2, 
+	12, 5, 3, 1, 10, 2
 };
 
 static const char _foo_key_offsets[] = {
 	0, 0, 1, 2, 4, 6, 7, 8, 
 	9, 11, 14, 16, 19, 21, 24, 25, 
-	27, 28, 29, 30
+	27, 28, 29, 30, 31
 };
 
 static const char _foo_trans_keys[] = {
 	27, 91, 51, 52, 56, 57, 59, 50, 
 	59, 48, 57, 59, 48, 57, 48, 57, 
 	59, 48, 57, 48, 57, 109, 48, 57, 
-	109, 56, 57, 59, 50, 27, 27, 0
+	109, 56, 57, 59, 50, 109, 27, 27, 
+	0
 };
 
 static const char _foo_single_lengths[] = {
 	0, 1, 1, 2, 2, 1, 1, 1, 
 	0, 1, 0, 1, 0, 1, 1, 2, 
-	1, 1, 1, 1
+	1, 1, 1, 1, 1
 };
 
 static const char _foo_range_lengths[] = {
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	1, 1, 1, 1, 1, 1, 0, 0, 
-	0, 0, 0, 0
+	0, 0, 0, 0, 0
 };
 
 static const char _foo_index_offsets[] = {
 	0, 0, 2, 4, 7, 10, 12, 14, 
 	16, 18, 21, 23, 26, 28, 31, 33, 
-	36, 38, 40, 42
+	36, 38, 40, 42, 44
 };
 
 static const char _foo_trans_targs[] = {
 	2, 1, 3, 0, 4, 15, 0, 5, 
 	14, 0, 6, 0, 7, 0, 8, 0, 
 	9, 0, 10, 9, 0, 11, 0, 12, 
-	11, 0, 13, 0, 19, 13, 0, 19, 
-	0, 16, 14, 0, 17, 0, 7, 0, 
-	2, 1, 2, 1, 0
+	11, 0, 13, 0, 20, 13, 0, 20, 
+	0, 16, 18, 0, 17, 0, 7, 0, 
+	20, 0, 2, 1, 2, 1, 0
 };
 
 static const char _foo_trans_actions[] = {
-	0, 7, 0, 0, 9, 9, 0, 0, 
+	0, 7, 0, 0, 13, 13, 0, 0, 
 	0, 0, 0, 0, 3, 0, 0, 0, 
-	1, 0, 13, 0, 0, 1, 0, 16, 
-	0, 0, 1, 0, 22, 0, 0, 0, 
+	1, 0, 17, 0, 0, 1, 0, 20, 
+	0, 0, 1, 0, 26, 0, 0, 9, 
 	0, 0, 0, 0, 0, 0, 5, 0, 
-	0, 7, 11, 19, 0
+	11, 0, 0, 7, 15, 23, 0
 };
 
 static const char _foo_eof_actions[] = {
 	0, 0, 0, 0, 0, 0, 0, 0, 
 	0, 0, 0, 0, 0, 0, 0, 0, 
-	0, 0, 0, 11
+	0, 0, 0, 0, 15
 };
 
-static const int foo_start = 18;
-static const int foo_first_final = 18;
+static const int foo_start = 19;
+static const int foo_first_final = 19;
 static const int foo_error = 0;
 
-static const int foo_en_main = 18;
+static const int foo_en_main = 19;
 
 
-#line 65 ".\\ansi_parser.rl"
+#line 62 ".\\ansi_parser.rl"
 
-bool parse_ansi(std::string_view codes) {
+bool parse_ansi(std::string_view codes, sf::Color default_fg, sf::Color default_bg, WriteCB write) {
   const char *start = NULL;
   int cs = 0;
   unsigned int value = 0;
   const char *p = codes.data();
   const char *pe = p + codes.size();
   const char *eof = pe;
-  bool is_fg = false;
-  sf::Color color;
+  sf::Color bgcolor(default_bg);
+  sf::Color color(default_fg);
+  sf::Color &target = bgcolor;
 
   
-#line 91 ".\\ansi_parser.cpp"
+#line 94 ".\\ansi_parser.cpp"
 	{
 	cs = foo_start;
 	}
 
-#line 77 ".\\ansi_parser.rl"
+#line 75 ".\\ansi_parser.rl"
   
-#line 94 ".\\ansi_parser.cpp"
+#line 97 ".\\ansi_parser.cpp"
 	{
 	int _klen;
 	unsigned int _trans;
@@ -177,62 +180,65 @@ _match:
 		switch ( *_acts++ )
 		{
 	case 0:
-#line 12 ".\\ansi_parser.rl"
+#line 13 ".\\ansi_parser.rl"
 	{
     start = p;
   }
 	break;
 	case 1:
-#line 16 ".\\ansi_parser.rl"
+#line 17 ".\\ansi_parser.rl"
 	{
     auto [ptr, ec] = std::from_chars(start, p, value);
     dbc::check(ec == std::errc(), "error in number parsing");
-    println("NUM: {}", value);
   }
 	break;
 	case 2:
 #line 22 ".\\ansi_parser.rl"
-	{
-    println("color24b");
-  }
+	{ }
 	break;
 	case 3:
-#line 26 ".\\ansi_parser.rl"
-	{ is_fg = true; }
+#line 23 ".\\ansi_parser.rl"
+	{ target = color; }
 	break;
 	case 4:
-#line 27 ".\\ansi_parser.rl"
-	{ is_fg = false; }
+#line 24 ".\\ansi_parser.rl"
+	{ target = bgcolor; }
 	break;
 	case 5:
-#line 29 ".\\ansi_parser.rl"
+#line 26 ".\\ansi_parser.rl"
 	{
-    println("ANY: {}:{}", int((*p)), (*p));
+    write(bgcolor, color, (*p));
   }
 	break;
 	case 6:
-#line 33 ".\\ansi_parser.rl"
-	{ color.r = value; }
+#line 30 ".\\ansi_parser.rl"
+	{ color = default_fg; }
 	break;
 	case 7:
-#line 34 ".\\ansi_parser.rl"
-	{ color.g = value; }
+#line 31 ".\\ansi_parser.rl"
+	{ bgcolor = default_bg; }
 	break;
 	case 8:
-#line 35 ".\\ansi_parser.rl"
-	{ color.b = value; }
+#line 33 ".\\ansi_parser.rl"
+	{ target.r = value; }
 	break;
 	case 9:
-#line 37 ".\\ansi_parser.rl"
-	{ value = 0; }
+#line 34 ".\\ansi_parser.rl"
+	{ target.g = value; }
 	break;
 	case 10:
-#line 39 ".\\ansi_parser.rl"
-	{
-    println("fg? {}, sf:Color: {},{},{},{}", is_fg, color.r, color.g, color.b, color.a);
-  }
+#line 35 ".\\ansi_parser.rl"
+	{ target.b = value; }
 	break;
-#line 211 ".\\ansi_parser.cpp"
+	case 11:
+#line 36 ".\\ansi_parser.rl"
+	{ value = 0; }
+	break;
+	case 12:
+#line 37 ".\\ansi_parser.rl"
+	{ }
+	break;
+#line 215 ".\\ansi_parser.cpp"
 		}
 	}
 
@@ -248,13 +254,11 @@ _again:
 	unsigned int __nacts = (unsigned int) *__acts++;
 	while ( __nacts-- > 0 ) {
 		switch ( *__acts++ ) {
-	case 10:
-#line 39 ".\\ansi_parser.rl"
-	{
-    println("fg? {}, sf:Color: {},{},{},{}", is_fg, color.r, color.g, color.b, color.a);
-  }
+	case 12:
+#line 37 ".\\ansi_parser.rl"
+	{ }
 	break;
-#line 231 ".\\ansi_parser.cpp"
+#line 233 ".\\ansi_parser.cpp"
 		}
 	}
 	}
@@ -262,9 +266,7 @@ _again:
 	_out: {}
 	}
 
-#line 78 ".\\ansi_parser.rl"
-
-  print("PROCESSED {} CHARS of {}: {}", p - codes.data(), codes.size(), p);
+#line 76 ".\\ansi_parser.rl"
 
-  return true;
+  return p - pe == 0;
 }

ansi_parser.hpp

@@ -1,4 +1,7 @@
 #pragma once
 #include <string_view>
+#include <SFML/Graphics.hpp>
 
-bool parse_ansi(std::string_view codes);
+typedef std::function<void(sf::Color bgcolor, sf::Color color, char ch)> WriteCB;
+
+bool parse_ansi(std::string_view codes, sf::Color default_fg, sf::Color default_bg, WriteCB write);

ansi_parser.rl

@@ -3,6 +3,7 @@
 #include <charconv>
 #include "dbc.hpp"
 #include <SFML/Graphics.hpp>
+#include "ansi_parser.hpp"
 
 using namespace fmt;
 
@@ -16,34 +17,30 @@ using namespace fmt;
   action number {
     auto [ptr, ec] = std::from_chars(start, fpc, value);
     dbc::check(ec == std::errc(), "error in number parsing");
-    println("NUM: {}", value);
   }
 
-  action color24b {
-    println("color24b");
-  }
-
-  action is_fg { is_fg = true; }
-  action is_bg { is_fg = false; }
+  action color24b { }
+  action is_fg { target = color; }
+  action is_bg { target = bgcolor; }
 
-  action any {
-    println("ANY: {}:{}", int(fc), fc);
+  action out {
+    write(bgcolor, color, fc);
   }
 
-  action red { color.r = value; }
-  action blue { color.g = value; }
-  action green { color.b = value; }
+  action reset_fg { color = default_fg; }
+  action reset_bg { bgcolor = default_bg; }
 
+  action red { target.r = value; }
+  action blue { target.g = value; }
+  action green { target.b = value; }
   action start { value = 0; }
+  action end { }
 
-  action end {
-    println("fg? {}, sf:Color: {},{},{},{}", is_fg, color.r, color.g, color.b, color.a);
-  }
-
-  start = 0x1B "[";
+  ESC = 0x1B;
+  start = ESC "[";
   fg = "38;" %is_fg;
   bg = "48;" %is_bg;
-  reset = ("39" | "49");
+  reset = ("39" %reset_fg | "49" %reset_bg);
   num = digit+ >tstart %number;
   color256 = "5;";
   color24b = "2;";
@@ -56,27 +53,26 @@ using namespace fmt;
       ) "m" %end
   );
 
-  other = (any+ @any -- 0x1B)*;
+  other = (any+ @out -- ESC)*;
 
   main := (other :> ansi)**;
 }%%
 
 %% write data;
 
-bool parse_ansi(std::string_view codes) {
+bool parse_ansi(std::string_view codes, sf::Color default_fg, sf::Color default_bg, WriteCB write) {
   const char *start = NULL;
   int cs = 0;
   unsigned int value = 0;
   const char *p = codes.data();
   const char *pe = p + codes.size();
   const char *eof = pe;
-  bool is_fg = false;
-  sf::Color color;
+  sf::Color bgcolor(default_bg);
+  sf::Color color(default_fg);
+  sf::Color &target = bgcolor;
 
   %% write init;
   %% write exec;
 
-  print("PROCESSED {} CHARS of {}: {}", p - codes.data(), codes.size(), p);
-
-  return true;
+  return p - pe == 0;
 }

map.hpp

@@ -11,10 +11,10 @@
 #define INV_SPACE 1
 #define WALL_VALUE 1
 #define SPACE_VALUE 0
-#define WALL_TILE "█"
-#define FLOOR_TILE "#"
-#define PLAYER_TILE "☺"
-#define ENEMY_TILE "Ω"
+#define WALL_TILE "#"
+#define FLOOR_TILE "."
+#define PLAYER_TILE "&"
+#define ENEMY_TILE "!"
 
 struct Room {
   size_t x = 0;

meson.build

@@ -21,12 +21,12 @@ runtests = executable('runtests', [
   'collider.cpp',
   'ansi_parser.cpp',
   'render.cpp',
-  #'tests/fsm.cpp',
-  #'tests/dbc.cpp',
-  #'tests/map.cpp',
-  #'tests/collider.cpp',
-  #'tests/sound.cpp',
-  #'tests/dinkyecs.cpp',
+  'tests/fsm.cpp',
+  'tests/dbc.cpp',
+  'tests/map.cpp',
+  'tests/collider.cpp',
+  'tests/sound.cpp',
+  'tests/dinkyecs.cpp',
   'tests/ansi_parser.cpp',
   ],
   dependencies: dependencies)
@@ -41,6 +41,7 @@ roguish = executable('roguish', [
   'collider.cpp',
   'combat.cpp',
   'systems.cpp',
+  'ansi_parser.cpp',
   'render.cpp',
   ],
   dependencies: dependencies)

render.cpp

@@ -1,5 +1,7 @@
 #include "render.hpp"
+#include "ansi_parser.hpp"
 #include <cmath>
+#include <fmt/core.h>
 
 std::array<sf::Color, 10> VALUES{
   sf::Color{1, 4, 2},  // black
@@ -66,13 +68,16 @@ bool SFMLRender::resize_map(int new_size) {
   }
 }
 
-
-void SFMLRender::draw_screen(bool clear, float map_off_x, float map_off_y) {
-  if(clear) $window.clear();
+void SFMLRender::draw_main_ui() {
   std::string screenout = $screen.ToString();
   std::wstring main_screen_utf8 = $converter.from_bytes(screenout);
   $ui_text.setString(main_screen_utf8);
   $window.draw($ui_text);
+}
+
+void SFMLRender::draw_screen(bool clear, float map_off_x, float map_off_y) {
+  if(clear) $window.clear();
+  draw_main_ui();
 
   std::string map_screenout = $map_screen.ToString();
   std::wstring map_screen_utf8 = $converter.from_bytes(map_screenout);
@@ -82,23 +87,23 @@ void SFMLRender::draw_screen(bool clear, float map_off_x, float map_off_y) {
   // make a copy so we don't modify the cached one
   auto bg_sprite = get_text_sprite(L'█');
   auto bg_bounds = bg_sprite.getLocalBounds();
-  bg_sprite.setColor(sf::Color(20,20,20));
-  auto add_sprite = get_text_sprite(L'!');
-  bool has_add = false;
+  sf::Color def_fg(color(Value::LIGHT_LIGHT));
+  sf::Color def_bg(color(Value::BLACK));
 
-  for(size_t i = 0; i < map_screen_utf8.size(); i++) {
-    wchar_t tile = map_screen_utf8[i];
-
-    if(tile == L'\n') {
+  parse_ansi(map_screenout, def_fg, def_bg, [&](sf::Color bg, sf::Color fg, char tile) {
+    if(tile == '\n') {
       // don't bother processing newlines, just skip
       y += $line_spacing;
       x = GAME_MAP_POS;
     } else if(tile == L'\r') {
-        continue; // skip these, just windows junk
+        return; // skip these, just windows junk
     } else {
+      // fmt::println("FG: {},{},{},{}; BG: {},{},{},{}; ch: {}",
+      //    fg.r, fg.g, fg.b, fg.a, bg.r, bg.g, bg.b, bg.a, int(tile));
       // it's a visual cell
       bg_sprite.setPosition({x+map_off_x, y+map_off_y});
       sf::Sprite &sprite = get_text_sprite(tile);
+      bg_sprite.setColor(bg);
 
       // should look into caching all this instead of calcing it each time
       auto sp_bounds = sprite.getLocalBounds();
@@ -107,38 +112,15 @@ void SFMLRender::draw_screen(bool clear, float map_off_x, float map_off_y) {
       auto width_delta = bg_bounds.width > sp_bounds.width ? (bg_bounds.width - sp_bounds.width) / 2 : 0;
       auto height_delta = bg_bounds.height > sp_bounds.width ? (bg_bounds.height - sp_bounds.height) / 2 : 0;
 
-      // TODO: need to center it inside the bg_sprite
       sprite.setPosition({x+width_delta+map_off_x, y+height_delta+map_off_y});
+      sprite.setColor(fg);
 
-      // get the entity combat and make them light gray if dead
-      if(tile == L'█') {
-        sprite.setColor(sf::Color(80,80,80));
-      } else if(tile == L'☺') {
-        sprite.setColor(sf::Color::Blue);
-      } else if(tile == L'Ω') {
-        sprite.setColor(sf::Color::Red);
-        // HACK: just playing with adding multiple characters for drawing
-        add_sprite.setColor(sf::Color::Red);
-        add_sprite.setPosition({x-3,y-3});
-        has_add = true;
-      } else if(tile == L'#') {
-        sprite.setColor(sf::Color(5,5,5));
-      } else {
-        sprite.setColor(color(Value::MID));
-      }
-
-      // now draw the background sprite and sprite
-      // TODO: this can become a standard sprite description
       $window.draw(bg_sprite);
       $window.draw(sprite);
-      if(has_add) {
-        $window.draw(add_sprite);
-        has_add = false;
-      }
       // next cell
       x += $base_glyph.advance;
     }
-  }
+  });
 
   $window.display();
 }

render.hpp

@@ -49,6 +49,7 @@ struct SFMLRender {
   sf::Color color(Value val);
   sf::Sprite &get_text_sprite(wchar_t tile);
   bool resize_map(int new_size);
+  void draw_main_ui();
   void draw_screen(bool clear=true, float map_off_x=0.0f, float map_off_y=0.0f);
 
   bool poll_event(sf::Event &event) {

systems.cpp

@@ -5,10 +5,12 @@
 #include "rand.hpp"
 #include "collider.hpp"
 #include "events.hpp"
+#include "ftxui/screen/color.hpp"
 
 using std::string;
 using namespace fmt;
 using namespace Components;
+using ftxui::Color;
 
 #define HEARING_DISTANCE 8
 
@@ -142,7 +144,7 @@ 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);
+      canvas.DrawText(x * 2, y * 4, tile, Color::HSV(100, 10, 10));
     }
   }
 

tests/ansi_parser.cpp

@@ -33,7 +33,6 @@ std::string generate_colors() {
       count++;
     }
     array.push_back(hbox(std::move(line)));
-    break; /// UNDO ME
   }
 
   println("MADE {} CHARS", count);
@@ -53,7 +52,18 @@ std::string generate_colors() {
 
 TEST_CASE("test out ragel parser", "[gui]") {
   std::string colors = generate_colors();
+  sf::Color default_fg(0,0,0);
+  sf::Color default_bg(100,100,100);
 
   println("--- PARSING");
-  REQUIRE(parse_ansi(colors));
+  bool good = parse_ansi(colors, default_fg, default_bg, [&](sf::Color bgcolor, sf::Color color, char ch) {
+      bool correct_char = ch == '#' || ch == ' ' || ch == '\n' || ch == '\r';
+      // println("FG: {},{},{},{}; BG: {},{},{},{}; ch: {}",
+      //     color.r, color.g, color.b, color.a,
+      //     bgcolor.r, bgcolor.g, bgcolor.b, bgcolor.a,
+      //     int(ch));
+      REQUIRE(correct_char);
+  });
+
+  REQUIRE(good);
 }