replace customers with bots and refactor some more server code.

1 files changed, 341 insertions, 0 deletions

diff --git a/server/src/data/mod.rs b/server/src/data/mod.rs
new file mode 100644
index 00000000..6555fbc4
--- /dev/null
+++ b/server/src/data/mod.rs
@@ -0,0 +1,341 @@
+/*
+    Hurry Curry! - a game about cooking
+    Copyright 2024 metamuffin
+    Copyright 2024 nokoe
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, version 3 of the License only.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+*/
+pub mod demands;
+
+use crate::entity::{construct_entity, Entities, EntityDecl};
+use anyhow::{anyhow, bail, Result};
+use demands::generate_demands;
+use hurrycurry_protocol::{
+    glam::{IVec2, Vec2},
+    Gamedata, ItemIndex, MapMetadata, Recipe, TileIndex,
+};
+use serde::{Deserialize, Serialize};
+use std::{
+    collections::{HashMap, HashSet},
+    fs::File,
+    path::PathBuf,
+    str::FromStr,
+    sync::{Mutex, RwLock},
+};
+use tokio::fs::read_to_string;
+
+#[derive(Debug, Deserialize, Serialize, Clone, Copy, Default)]
+#[serde(rename_all = "snake_case")]
+pub enum Action {
+    #[default]
+    Never,
+    Passive,
+    Active,
+    Instant,
+    Demand,
+}
+
+#[derive(Debug, Clone, Deserialize, Serialize)]
+pub struct RecipeDecl {
+    #[serde(default)]
+    tile: Option<String>,
+    #[serde(default)]
+    inputs: Vec<String>,
+    #[serde(default)]
+    outputs: Vec<String>,
+    #[serde(default)]
+    action: Action,
+    #[serde(default)]
+    warn: bool,
+    #[serde(default)]
+    revert_duration: Option<f32>,
+    #[serde(default)]
+    duration: Option<f32>,
+    #[serde(default)]
+    points: Option<i64>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct InitialMap {
+    map: Vec<String>,
+    tiles: HashMap<char, String>,
+    #[serde(default)]
+    items: HashMap<char, String>,
+    collider: Vec<String>,
+    walkable: Vec<String>,
+    chef_spawn: char,
+    customer_spawn: char,
+    #[serde(default)]
+    entities: Vec<EntityDecl>,
+    #[serde(default)]
+    tile_entities: HashMap<char, EntityDecl>,
+    #[serde(default)]
+    score_baseline: i64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DemandDecl {
+    from: String,
+    to: Option<String>,
+    duration: f32,
+    points: i64,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Demand {
+    pub from: ItemIndex,
+    pub to: Option<ItemIndex>,
+    pub duration: f32,
+    pub points: i64,
+}
+
+#[derive(Debug,Clone, Default)]
+#[rustfmt::skip]
+pub struct Serverdata {
+    pub demands: Vec<Demand>,
+    pub spec: String,
+    pub initial_map: HashMap<IVec2, (TileIndex, Option<ItemIndex>)>,
+    pub chef_spawn: Vec2,
+    pub customer_spawn: Vec2,
+    pub score_baseline: i64,
+}
+
+#[derive(Debug, Deserialize, Default)]
+pub struct DataIndex {
+    pub maps: HashMap<String, MapMetadata>,
+    pub recipes: HashSet<String>,
+}
+
+pub static DATA_DIR: Mutex<Option<PathBuf>> = Mutex::new(None);
+fn data_dir() -> PathBuf {
+    DATA_DIR
+        .lock()
+        .unwrap()
+        .to_owned()
+        .unwrap_or_else(|| PathBuf::from_str("data").unwrap())
+}
+
+impl DataIndex {
+    pub fn reload(&mut self) -> Result<()> {
+        *self = serde_yml::from_reader(File::open(data_dir().join("index.yaml"))?)?;
+        Ok(())
+    }
+
+    pub async fn read_map(&self, name: &str) -> Result<String> {
+        if !self.maps.contains_key(name) {
+            bail!("unknown map: {name:?}");
+        }
+        let path = data_dir().join(format!("maps/{name}.yaml"));
+        Ok(read_to_string(path).await?)
+    }
+    pub async fn read_recipes(&self, name: &str) -> Result<String> {
+        if !self.recipes.contains(name) {
+            bail!("unknown recipes: {name:?}");
+        }
+        let path = data_dir().join(format!("recipes/{name}.yaml"));
+        Ok(read_to_string(path).await?)
+    }
+
+    pub async fn generate(&self, spec: String) -> Result<(Gamedata, Serverdata, Entities)> {
+        let (map, recipes) = spec.split_once("-").unwrap_or((spec.as_str(), "default"));
+
+        let map_in = serde_yml::from_str(&self.read_map(map).await?)?;
+        let recipes_in = serde_yml::from_str(&self.read_recipes(recipes).await?)?;
+
+        Ok(build_data(
+            self.maps.clone(),
+            spec.clone(),
+            map.to_string(),
+            map_in,
+            recipes_in,
+        )?)
+    }
+}
+
+pub fn build_data(
+    maps: HashMap<String, MapMetadata>,
+    spec: String,
+    map_name: String,
+    map_in: InitialMap,
+    recipes_in: Vec<RecipeDecl>,
+) -> Result<(Gamedata, Serverdata, Entities)> {
+    let reg = ItemTileRegistry::default();
+    let mut recipes = Vec::new();
+    let mut entities = Vec::new();
+    let mut raw_demands = Vec::new();
+
+    for mut r in recipes_in {
+        let r2 = r.clone();
+        let mut inputs = r.inputs.into_iter().map(|i| reg.register_item(i));
+        let mut outputs = r.outputs.into_iter().map(|o| reg.register_item(o));
+        let tile = r.tile.map(|t| reg.register_tile(t));
+        match r.action {
+            Action::Never => {}
+            Action::Passive => recipes.push(Recipe::Passive {
+                duration: r.duration.ok_or(anyhow!("duration for passive missing"))?,
+                warn: r.warn,
+                tile,
+                revert_duration: r.revert_duration,
+                input: inputs
+                    .next()
+                    .ok_or(anyhow!("passive recipe without input"))?,
+                output: outputs.next(),
+            }),
+            Action::Active => recipes.push(Recipe::Active {
+                duration: r.duration.ok_or(anyhow!("duration for active missing"))?,
+                tile,
+                input: inputs
+                    .next()
+                    .ok_or(anyhow!("active recipe without input"))?,
+                outputs: [outputs.next(), outputs.next()],
+            }),
+            Action::Instant => {
+                recipes.push(Recipe::Instant {
+                    points: r.points.take().unwrap_or(0),
+                    tile,
+                    inputs: [inputs.next(), inputs.next()],
+                    outputs: [outputs.next(), outputs.next()],
+                });
+            }
+            Action::Demand => raw_demands.push((
+                inputs.next().ok_or(anyhow!("demand needs inputs"))?,
+                outputs.next(),
+                r.duration.unwrap_or(10.),
+            )),
+        }
+        assert_eq!(inputs.next(), None, "{r2:?} inputs left over");
+        assert_eq!(outputs.next(), None, "{r2:?} outputs left over");
+        assert_eq!(r.points, None, "points specified where not possible")
+    }
+
+    // TODO
+    // for d in demands_in {
+    //     demands.push(Demand {
+    //         from: reg.register_item(d.from),
+    //         to: d.to.map(|to| reg.register_item(to)),
+    //         duration: d.duration,
+    //         points: d.points,
+    //     })
+    // }
+
+    let mut chef_spawn = Vec2::new(0., 0.);
+    let mut customer_spawn = Vec2::new(0., 0.);
+    let mut initial_map = HashMap::new();
+    let mut tiles_used = HashSet::new();
+    let mut items_used = HashSet::new();
+    for (y, line) in map_in.map.iter().enumerate() {
+        for (x, tile) in line.chars().enumerate() {
+            if tile == ' ' {
+                continue; // space is empty space
+            }
+            let pos = IVec2::new(x as i32, y as i32);
+            if tile == map_in.chef_spawn {
+                chef_spawn = pos.as_vec2() + Vec2::splat(0.5);
+            }
+            if tile == map_in.customer_spawn {
+                customer_spawn = pos.as_vec2() + Vec2::splat(0.5);
+            }
+            let tilename = map_in
+                .tiles
+                .get(&tile)
+                .ok_or(anyhow!("tile {tile} is undefined"))?
+                .clone();
+
+            let itemname = map_in.items.get(&tile).cloned();
+            let tile = reg.register_tile(tilename);
+            let item = itemname.map(|i| reg.register_item(i));
+            tiles_used.insert(tile);
+            if let Some(i) = item {
+                items_used.insert(i);
+            };
+            initial_map.insert(pos, (tile, item));
+        }
+    }
+
+    for (y, line) in map_in.map.iter().enumerate() {
+        for (x, tile) in line.trim().chars().enumerate() {
+            let pos = IVec2::new(x as i32, y as i32);
+            if let Some(ent) = map_in.tile_entities.get(&tile) {
+                entities.push(construct_entity(Some(pos), ent, &reg)?);
+            }
+        }
+    }
+
+    entities.extend(
+        map_in
+            .entities
+            .iter()
+            .map(|decl| construct_entity(None, decl, &reg))
+            .try_collect::<Vec<_>>()?,
+    );
+
+    let demands = generate_demands(&tiles_used, &items_used, &raw_demands, &recipes);
+
+    let item_names = reg.items.into_inner().unwrap();
+    let tile_names = reg.tiles.into_inner().unwrap();
+    let tile_collide = tile_names
+        .iter()
+        .map(|i| !map_in.walkable.contains(i))
+        .collect();
+    let tile_interact = tile_names
+        .iter()
+        .map(|i| !map_in.collider.contains(i) && !map_in.walkable.contains(i))
+        .collect();
+
+    Ok((
+        Gamedata {
+            current_map: map_name,
+            maps,
+            tile_collide,
+            tile_interact,
+            recipes,
+            item_names,
+            tile_names,
+        },
+        Serverdata {
+            spec,
+            demands,
+            initial_map,
+            chef_spawn,
+            customer_spawn,
+            score_baseline: map_in.score_baseline,
+        },
+        entities,
+    ))
+}
+
+#[derive(Default)]
+pub struct ItemTileRegistry {
+    tiles: RwLock<Vec<String>>,
+    items: RwLock<Vec<String>>,
+}
+
+impl ItemTileRegistry {
+    pub fn register_tile(&self, name: String) -> TileIndex {
+        TileIndex(Self::register(&self.tiles, name))
+    }
+    pub fn register_item(&self, name: String) -> ItemIndex {
+        ItemIndex(Self::register(&self.items, name))
+    }
+    fn register(db: &RwLock<Vec<String>>, name: String) -> usize {
+        let mut db = db.write().unwrap();
+        if let Some(index) = db.iter().position(|e| e == &name) {
+            index
+        } else {
+            let index = db.len();
+            db.push(name);
+            index
+        }
+    }
+}