The sfmlrenderer now has a 3:4 aspect ratio which makes it look better, and then there's space for a gui on the left. I put some squares there to prototype the look.

sfmlcaster.cpp

@@ -28,9 +28,9 @@ struct Sprite {
 #define uDiv 1
 #define vDiv 1
 
-const int RAY_VIEW_WIDTH=1280;
+const int RAY_VIEW_WIDTH=960;
 const int RAY_VIEW_HEIGHT=720;
-const int RAY_VIEW_X=0;
+const int RAY_VIEW_X=1280 - RAY_VIEW_WIDTH;
 const int RAY_VIEW_Y=0;
 
 const int SCREEN_HEIGHT=RAY_VIEW_HEIGHT;
@@ -130,22 +130,16 @@ void draw_pixel_buffer(sf::RenderWindow &window) {
   window.draw(view_sprite);
 }
 
-void draw_map_rect(sf::RenderWindow &window, int x, int y, uint32_t color) {
+void draw_gui(sf::RenderWindow &window, Matrix &map) {
   draw_sfml_rect(window,
-      {float(x * TILE_SIZE), float(y * TILE_SIZE)},
-      {float(TILE_SIZE-1), float(TILE_SIZE-1)},
-      color);
-}
-
-void draw_map(sf::RenderWindow &window, Matrix &map) {
-  uint32_t light_grey = gray_color(191);
-  uint32_t dark_grey = gray_color(65);
+      {0.0, 0.0},
+      {SCREEN_WIDTH-RAY_VIEW_WIDTH, SCREEN_HEIGHT / 2},
+      100);
 
-  for(size_t y = 0; y < matrix::height(map); y++) {
-    for(size_t x = 0; x < matrix::width(map); x++) {
-      draw_map_rect(window, x, y, map[y][x] == 0 ? dark_grey : light_grey);
-    }
-  }
+  draw_sfml_rect(window,
+      {0.0, SCREEN_HEIGHT / 2},
+      {SCREEN_WIDTH-RAY_VIEW_WIDTH, SCREEN_HEIGHT / 2},
+      150);
 }
 
 void draw_line(sf::RenderWindow &window, Point start, Point end, uint32_t color) {
@@ -181,10 +175,6 @@ void clear(sf::RenderWindow &window) {
   window.clear();
 }
 
-void draw_map_blocks(sf::RenderWindow &window, int col, int row) {
-  draw_map_rect(window, col, row, rgba_color(100, 20, 20, 255));
-}
-
 void ray_casting(sf::RenderWindow &window, Matrix& map) {
   int w = RAY_VIEW_WIDTH;
   int h = RAY_VIEW_HEIGHT;
@@ -252,8 +242,6 @@ void ray_casting(sf::RenderWindow &window, Matrix& map) {
       perpWallDist = (sideDistY - deltaDistY);
     }
 
-    // draw_map_blocks(window, mapX, mapY);
-
     int lineHeight = int(h / perpWallDist);
 
     int drawStart = -lineHeight / 2 + h / 2 + PITCH;
@@ -444,7 +432,7 @@ void draw_ceiling_floor(sf::RenderWindow &window) {
 
 void draw_everything(sf::RenderWindow &window) {
   clear(window);
-  // draw_map(window, MAP);
+  draw_gui(window, MAP);
   draw_ceiling_floor(window);
   ray_casting(window, MAP);
   draw_pixel_buffer(window);