98 lines
2.6 KiB
Rust
98 lines
2.6 KiB
Rust
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use std::collections::HashMap;
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use serde::Deserialize;
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use eframe::egui::Color32;
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use crate::game::{Board, Element, Glyph, ObjectDef, Player, PortalDef};
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#[derive(Deserialize)]
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pub struct MapFile {
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pub map: MapHeader,
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pub palette: HashMap<String, PaletteEntry>,
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pub grid: GridData,
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#[serde(default)]
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pub objects: Vec<ObjectDef>,
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#[serde(default)]
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pub portals: Vec<PortalDef>,
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}
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#[derive(Deserialize)]
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pub struct MapHeader {
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#[allow(dead_code)]
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pub name: String,
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pub width: usize,
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pub height: usize,
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pub player_start: [i32; 2],
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}
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#[derive(Deserialize)]
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pub struct PaletteEntry {
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pub passable: bool,
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pub ch: char,
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pub fg: String,
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pub bg: String,
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}
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#[derive(Deserialize)]
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pub struct GridData {
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pub content: String,
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}
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fn parse_color(hex: &str) -> Color32 {
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let hex = hex.trim_start_matches('#');
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if hex.len() != 6 {
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return Color32::BLACK;
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}
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let r = u8::from_str_radix(&hex[0..2], 16).unwrap_or(0);
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let g = u8::from_str_radix(&hex[2..4], 16).unwrap_or(0);
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let b = u8::from_str_radix(&hex[4..6], 16).unwrap_or(0);
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Color32::from_rgb(r, g, b)
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}
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impl From<MapFile> for Board {
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fn from(mf: MapFile) -> Self {
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let w = mf.map.width;
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let h = mf.map.height;
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let mut elements: Vec<Element> = Vec::new();
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let mut palette: HashMap<char, (Glyph, usize)> = HashMap::new();
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for (key, entry) in &mf.palette {
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let key_char = key.chars().next().unwrap_or(' ');
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let idx = elements.len();
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elements.push(Element { passable: entry.passable });
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palette.insert(key_char, (Glyph {
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ch: entry.ch,
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fg: parse_color(&entry.fg),
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bg: parse_color(&entry.bg),
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}, idx));
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}
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let mut cells: Vec<(Glyph, usize)> = Vec::with_capacity(w * h);
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for line in mf.grid.content.lines() {
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for ch in line.chars() {
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if let Some(&(glyph, idx)) = palette.get(&ch) {
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cells.push((glyph, idx));
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}
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}
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}
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Board {
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width: w,
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height: h,
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elements,
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cells,
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player: Player {
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x: mf.map.player_start[0],
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y: mf.map.player_start[1],
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},
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objects: mf.objects,
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portals: mf.portals,
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}
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}
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}
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pub fn load(path: &str) -> Result<Board, Box<dyn std::error::Error>> {
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let content = std::fs::read_to_string(path)?;
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let map_file: MapFile = toml::from_str(&content)?;
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Ok(Board::from(map_file))
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}
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