implement font and text direction; call std and mock directly instead of importing

src/game.rs

@@ -1,5 +1,17 @@
-use crate::{Avatar, Dialogue, Ending, Item, Palette, Room, Sprite, Tile, Variable, mock, optional_data_line};
-use std::fs;
+use crate::{
+    Avatar,
+    Dialogue,
+    Ending,
+    Font,
+    Item,
+    Palette,
+    Room,
+    Sprite,
+    TextDirection,
+    Tile,
+    Variable,
+    optional_data_line
+};
 
 #[derive(Debug, PartialEq)]
 pub struct Game {
@@ -7,6 +19,9 @@ pub struct Game {
     pub major_version: u8,
     pub minor_version: u8,
     pub room_format: u8, // this is "0 = non-comma separated, 1 = comma separated" apparently
+    pub font: Font,
+    pub custom_font: Option<String>, // used if font is Font::Custom
+    pub text_direction: TextDirection,
     pub palettes: Vec<Palette>,
     pub rooms: Vec<Room>,
     pub tiles: Vec<Tile>,
@@ -74,6 +89,9 @@ impl From<String> for Game {
         let mut major_version: u8 = 1;
         let mut minor_version: u8 = 0;
         let mut room_format: u8 = 1;
+        let mut font = Font::AsciiSmall;
+        let mut custom_font = None;
+        let mut text_direction = TextDirection::LeftToRight;
         let mut palettes: Vec<Palette> = Vec::new();
         let mut rooms: Vec<Room> = Vec::new();
         let mut tiles: Vec<Tile> = Vec::new();
@@ -91,6 +109,16 @@ impl From<String> for Game {
                 minor_version = parts.1;
             } else if segment.starts_with("! ROOM_FORMAT") {
                 room_format = segment.replace("! ROOM_FORMAT ", "").parse().unwrap();
+            } else if segment.starts_with("DEFAULT_FONT") {
+                let segment = segment.replace("DEFAULT_FONT ", "");
+
+                font = Font::from(&segment);
+
+                if font == Font::Custom {
+                    custom_font = Some(segment.to_string());
+                }
+            } else if segment.trim() == "TEXT_DIRECTION RTL".to_string() {
+                text_direction = TextDirection::RightToLeft;
             } else if segment.starts_with("PAL") {
                 palettes.push(Palette::from(segment));
             } else if segment.starts_with("ROOM") {
@@ -114,6 +142,9 @@ impl From<String> for Game {
             major_version,
             minor_version,
             room_format,
+            font,
+            custom_font,
+            text_direction,
             palettes,
             rooms,
             tiles,
@@ -231,34 +262,34 @@ fn test_game_from_string() {
         include_str!["test-resources/default.bitsy"].to_string()
     );
 
-    let expected = mock::game_default();
+    let expected = crate::mock::game_default();
 
     assert_eq!(output, expected);
 }
 
 #[test]
 fn test_game_to_string() {
-    let output = mock::game_default().to_string();
+    let output = crate::mock::game_default().to_string();
     let expected = include_str!["test-resources/default.bitsy"].to_string();
     assert_eq!(output, expected);
 }
 
 #[test]
 fn test_tile_ids() {
-    assert_eq!(mock::game_default().tile_ids(), vec![10]);
+    assert_eq!(crate::mock::game_default().tile_ids(), vec![10]);
 }
 
 #[test]
 fn test_new_tile_id() {
     // default tile has an id of 10 ("a"), so 0 is available
-    assert_eq!(mock::game_default().new_tile_id(), 0);
+    assert_eq!(crate::mock::game_default().new_tile_id(), 0);
 
-    let mut game = mock::game_default();
+    let mut game = crate::mock::game_default();
     let mut tiles : Vec<Tile> = Vec::new();
 
     for n in 0..9 {
         if n != 4 {
-            let mut new_tile = mock::tile_default();
+            let mut new_tile = crate::mock::tile_default();
             new_tile.id = n;
             tiles.push(new_tile);
         }
@@ -270,7 +301,7 @@ fn test_new_tile_id() {
 
     // fill in the space created above, and test that tile IDs get sorted
 
-    let mut new_tile = mock::tile_default();
+    let mut new_tile = crate::mock::tile_default();
     new_tile.id = 4;
     game.tiles.push(new_tile);
 
@@ -279,11 +310,11 @@ fn test_new_tile_id() {
 
 #[test]
 fn test_add_tile() {
-    let mut game = mock::game_default();
-    let new_id = game.add_tile(mock::tile_default());
+    let mut game = crate::mock::game_default();
+    let new_id = game.add_tile(crate::mock::tile_default());
     assert_eq!(new_id, 0);
     assert_eq!(game.tiles.len(), 2);
-    let new_id = game.add_tile(mock::tile_default());
+    let new_id = game.add_tile(crate::mock::tile_default());
     assert_eq!(new_id, 1);
     assert_eq!(game.tiles.len(), 3);
 }
@@ -315,7 +346,7 @@ fn test_bitsy_omnibus() {
     let mut passes = 0;
     let mut skips = 0;
 
-    for file in fs::read_dir("src/test-resources/omnibus").unwrap() {
+    for file in std::fs::read_dir("src/test-resources/omnibus").unwrap() {
         let path = file.unwrap().path();
         let nice_name = format!("{}", path.display());
 
@@ -327,7 +358,7 @@ fn test_bitsy_omnibus() {
         }
 
         println!("\nTesting: {}...", path.display());
-        let game_data = fs::read_to_string(path).unwrap();
+        let game_data = std::fs::read_to_string(path).unwrap();
         let game = Game::from(game_data.clone());
         assert_eq!(game.to_string().trim(), game_data.trim());
         passes += 1;

src/lib.rs

@@ -5,6 +5,7 @@ pub mod colour;
 pub mod dialogue;
 pub mod ending;
 pub mod exit;
+pub mod text;
 pub mod game;
 pub mod palette;
 pub mod image;
@@ -21,6 +22,7 @@ use colour::Colour;
 use dialogue::Dialogue;
 use ending::Ending;
 use exit::{Transition, Exit};
+use text::{Font, TextDirection};
 use game::Game;
 use palette::Palette;
 use image::Image;

src/mock.rs

@@ -191,6 +191,9 @@ pub fn game_default() -> Game {
         major_version: 6,
         minor_version: 5,
         room_format: 1,
+        font: Font::AsciiSmall,
+        custom_font: None,
+        text_direction: TextDirection::LeftToRight,
         palettes: vec![
             Palette {
                 id: 0,

src/text.rs

@@ -0,0 +1,27 @@
+#[derive(Debug, Eq, PartialEq)]
+pub enum Font {
+    AsciiSmall, // default - does not appear in game data
+    UnicodeEuropeanSmall,
+    UnicodeEuropeanLarge,
+    UnicodeAsian,
+    Arabic,
+    Custom,
+}
+
+impl Font {
+    pub(crate) fn from(str: &str) -> Font {
+        match str {
+            "unicode_european_small" => Font::UnicodeEuropeanSmall,
+            "unicode_european_large" => Font::UnicodeEuropeanLarge,
+            "unicode_asian" => Font::UnicodeAsian,
+            "arabic" => Font::Arabic,
+            _ => Font::Custom,
+        }
+    }
+}
+
+#[derive(Debug, Eq, PartialEq)]
+pub enum TextDirection {
+    LeftToRight, // default
+    RightToLeft,
+}