458 lines
11 KiB
Rust
458 lines
11 KiB
Rust
use std::fmt;
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use std::collections::HashMap;
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const IMAGE_DIMENSION_SD: usize = 8;
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const IMAGE_DIMENSION_HD: usize = 16;
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#[derive(Eq, PartialEq)]
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struct Colour {
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red: u8,
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green: u8,
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blue: u8,
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}
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#[derive(Eq, PartialEq)]
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struct Palette {
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id: String, // base36 string (why??)
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name: Option<String>,
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colours: Vec<Colour>,
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}
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#[derive(Eq, PartialEq)]
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struct Image {
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pixels: Vec<u8>, // 64 for SD, 256 for HD
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}
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#[derive(Eq, PartialEq)]
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struct Tile {
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id: String, // base36 string
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name: Option<String>,
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wall: bool,
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animation_frames: Vec<Image>,
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}
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#[derive(Debug, Eq, PartialEq, Hash)]
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struct Position {
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room: String, // id. is room id int or base36 string?
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x: u8,
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y: u8,
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}
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#[derive(Eq, PartialEq)]
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struct Dialogue {
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id: String,
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contents: String,
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}
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#[derive(Eq, PartialEq)]
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struct Sprite {
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id: String, // lowercase base36
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name: Option<String>,
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animation_frames: Vec<Image>,
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dialogue: Option<Dialogue>,
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position: Position,
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}
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/// avatar is a "sprite" in the game data but with a specific ID
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#[derive(Eq, PartialEq)]
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struct Avatar {
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animation_frames: Vec<Image>,
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position: Position,
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}
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#[derive(Eq, PartialEq)]
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struct Item {
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id: String,
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animation_frames: Vec<Image>,
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name: Option<String>,
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dialogue: Option<Dialogue>,
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}
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#[derive(Eq, PartialEq)]
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struct Exit {
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/// destination
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room: String, /// id
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position: Position,
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}
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// same as a dialogue basically
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#[derive(Eq, PartialEq)]
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struct Ending {
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contents: String,
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}
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#[derive(Eq, PartialEq)]
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struct Room {
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id: String,
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palette: String, /// id
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name: Option<String>,
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tiles: Vec<String>, /// tile ids
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items: HashMap<Position, Item>,
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exits: HashMap<Position, Exit>,
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endings: HashMap<Position, Ending>,
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}
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#[derive(PartialEq)]
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struct Game {
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name: String,
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version: f64,
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room_format: bool,
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palettes: Vec<Palette>,
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}
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impl fmt::Debug for Colour {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("Colour")
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.field("red", &self.red)
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.field("green", &self.green)
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.field("blue", &self.blue)
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.finish()
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}
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}
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impl fmt::Debug for Palette {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("Palette")
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.field("id", &self.id)
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.field("name", &self.name)
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.field("colours", &self.colours)
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.finish()
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}
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}
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impl fmt::Debug for Image {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("Image")
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.field("pixels", &self.pixels)
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.finish()
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}
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}
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impl fmt::Debug for Tile {
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
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f.debug_struct("Tile")
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.field("id", &self.id)
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.field("name", &self.name)
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.field("wall", &self.wall)
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.field("animation_frames", &self.animation_frames)
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.finish()
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}
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}
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fn image_from_string(string: String) -> Image {
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let string = string.replace("\n", "");
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let pixels: Vec<&str> = string.split("").collect();
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// the above seems to add an extra "" at the start and end of the vec, so strip them below
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let pixels = &pixels[1..(pixels.len() - 1)];
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let pixels: Vec<u8> = pixels.iter().map(|&pixel| { pixel.parse::<u8>().unwrap() }).collect();
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Image { pixels }
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}
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#[test]
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fn test_image_from_string() {
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let output = image_from_string(
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"11111111\n11001111\n10111111\n11111111\n11111111\n11111111\n11111111\n11111111".to_string()
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);
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let expected = Image {
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pixels: vec![
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1,1,1,1,1,1,1,1,
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1,1,0,0,1,1,1,1,
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1,0,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,
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]
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};
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assert_eq!(output, expected)
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}
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fn image_to_string(image: Image) -> String {
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image_to_string_opts(image, true)
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}
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fn image_to_string_opts(image: Image, hd: bool) -> String {
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let mut string = String::new();
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let chunk_size = if hd {IMAGE_DIMENSION_HD} else {IMAGE_DIMENSION_SD};
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for line in image.pixels.chunks(chunk_size) {
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for pixel in line {
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string.push(*pixel as char);
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}
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string.push('\n');
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}
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string.pop(); // remove trailing newline
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string
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}
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#[test]
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fn test_image_to_string() {
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let output = image_to_string(Image {
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pixels: vec![
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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]
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});
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let expected = "10101010\n01010101\n10101010\n01010101\n10101010\n01010101\n10101010\n01010101".to_string();
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assert_eq!(output, expected);
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}
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fn tile_from_string(string: String) -> Tile {
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let mut lines: Vec<&str> = string.split("\n").collect();
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let id = lines[0].replace("TIL ", "");
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let last_line = lines.pop().unwrap();
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let wall = match last_line == "WAL true" {
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true => true,
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false => {
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lines.push(last_line);
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false
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}
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};
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let last_line = lines.pop().unwrap();
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let name = match last_line.starts_with("NAME") {
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true => Some(last_line.replace("NAME ", "").to_string()),
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false => {
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lines.push(last_line);
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None
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}
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};
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let animation_frames = lines[1..].join("");
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let animation_frames: Vec<&str> = animation_frames.split("\n>\n").collect();
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let animation_frames: Vec<Image> = animation_frames.iter().map(|&frame| {
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image_from_string(frame.to_string())
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}).collect();
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Tile {id, name, wall, animation_frames}
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}
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#[test]
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fn test_tile_from_string() {
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let output = tile_from_string("TIL z\n11111111\n11111111\n11111111\n11111111\n11111111\n11111111\n11111111\n11111111\nNAME concrete 1\nWAL true".to_string());
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let expected = Tile {
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id: "z".to_string(),
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name: Some("concrete 1".to_string()),
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wall: true,
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animation_frames: vec![
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Image {
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pixels: vec![1; 64]
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}
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],
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};
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assert_eq!(output, expected);
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}
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fn tile_to_string(tile: Tile) -> String {
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let mut animation_frames = String::new();
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let last_frame = tile.animation_frames.len() - 1;
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for (i, frame) in tile.animation_frames.into_iter().enumerate() {
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animation_frames.push_str(&image_to_string(frame));
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if i < last_frame {
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animation_frames.push_str(&"\n>\n".to_string());
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}
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}
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format!(
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"TIL {}\n{}{}{}",
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tile.id,
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animation_frames,
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if tile.name.is_some() {format!("\nNAME {}", tile.name.unwrap())} else {"".to_string()},
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if tile.wall {"\nWAL true"} else {""}
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)
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}
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#[test]
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fn test_tile_to_string() {
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let output = tile_to_string(Tile {
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id: "7a".to_string(),
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name: Some("chequers".to_string()),
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wall: false,
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animation_frames: vec![
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Image { pixels: vec![
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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]},
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Image { pixels: vec![
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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0,1,0,1,0,1,0,1,
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1,0,1,0,1,0,1,0,
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]},
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]
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});
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let expected = "TIL 7a\n10101010\n01010101\n10101010\n01010101\n10101010\n01010101\n10101010\n01010101\n>\n01010101\n10101010\n01010101\n10101010\n01010101\n10101010\n01010101\n10101010\nNAME chequers".to_string();
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assert_eq!(output, expected);
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}
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// todo support Bitsy HD?
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// todo impl (Game::from_string etc.)
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fn colour_from_string(colour: String) -> Colour {
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let values: Vec<&str> = colour.split(',').collect();
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let red: u8 = values[0].parse().unwrap_or(0);
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let green: u8 = values[1].parse().unwrap_or(0);
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let blue: u8 = values[2].parse().unwrap_or(0);
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Colour { red, green, blue }
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}
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#[test]
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fn test_colour_from_string() {
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assert_eq!(
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colour_from_string("0,255,0".to_string()),
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Colour { red: 0, green: 255, blue: 0 }
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);
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}
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fn colour_to_string(colour: Colour) -> String {
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format!("{},{},{}", colour.red, colour.green, colour.blue)
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}
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#[test]
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fn test_colour_to_string() {
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assert_eq!(
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colour_to_string(Colour { red: 22, green: 33, blue: 44 }),
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"22,33,44".to_string()
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);
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}
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fn palette_from_string(palette: String) -> Palette {
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let lines: Vec<&str> = palette.split('\n').collect();
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let id = lines[0].replace("PAL ", "");
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let name = match lines[1].starts_with("NAME") {
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true => Some(lines[1].replace("NAME ", "").to_string()),
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false => None,
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};
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let colour_start_index = if name.is_some() {2} else {1};
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let colours = lines[colour_start_index..].iter().map(|&line| {
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colour_from_string(line.to_string())
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}).collect();
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Palette { id, name, colours }
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}
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#[test]
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fn test_palette_from_string() {
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let output = palette_from_string(
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"PAL 1\nNAME lamplight\n45,45,59\n66,60,39\n140,94,1".to_string()
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);
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let expected = Palette {
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id: "1".to_string(),
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name: Some("lamplight".to_string()),
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colours: vec![
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Colour {red: 45, green: 45, blue: 59},
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Colour {red: 66, green: 60, blue: 39},
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Colour {red: 140, green: 94, blue: 1 },
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],
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};
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assert_eq!(output, expected);
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}
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#[test]
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fn test_palette_from_string_no_name() {
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let output = palette_from_string(
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"PAL 9\n45,45,59\n66,60,39\n140,94,1".to_string()
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);
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let expected = Palette {
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id: "9".to_string(),
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name: None,
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colours: vec![
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Colour {red: 45, green: 45, blue: 59},
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Colour {red: 66, green: 60, blue: 39},
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Colour {red: 140, green: 94, blue: 1 },
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],
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};
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assert_eq!(output, expected);
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}
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fn position_from_string(string: String) -> Position {
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// e.g. "0 2,5"
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let room_xy: Vec<&str> = string.split(' ').collect();
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let xy: Vec<&str> = room_xy[1].split(',').collect();
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let room = room_xy[0].to_string();
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let x = xy[0].parse().unwrap();
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let y = xy[1].parse().unwrap();
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Position {room, x, y}
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}
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#[test]
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fn test_position_from_string() {
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assert_eq!(
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position_from_string("5 4,12".to_string()),
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Position { room: "5".to_string(), x: 4, y: 12 }
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)
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}
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fn position_to_string(position: Position) -> String {
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format!("{} {},{}", position.room, position.x, position.y)
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}
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#[test]
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fn test_position_to_string() {
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assert_eq!(
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position_to_string(Position { room: "5".to_string(), x: 4, y: 12 }),
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"5 4,12".to_string()
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)
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}
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// fn get_avatar(game: Game) -> Sprite {
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// // get the sprite with an id of A
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// }
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// fn game_from_string(game: String ) -> Game {
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// // probably needs to split the game data into different segments starting from the end
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// // e.g. VAR... then END... then DLG...
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// // then split all these up into their individual items
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// }
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//
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// fn game_to_string(game: Game) -> String {
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//
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// }
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fn main() {
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println!("why am I here?")
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}
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