Rename client-lib crate to game-core

1 files changed, 286 insertions, 0 deletions

diff --git a/server/game-core/src/lib.rs b/server/game-core/src/lib.rs
new file mode 100644
index 00000000..cc77e570
--- /dev/null
+++ b/server/game-core/src/lib.rs
@@ -0,0 +1,286 @@
+/*
+    Hurry Curry! - a game about cooking
+    Copyright (C) 2025 Hurry Curry! Contributors
+
+    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 gamedata_index;
+pub mod network;
+pub mod spatial_index;
+
+use hurrycurry_protocol::{
+    Character, Gamedata, Hand, ItemIndex, ItemLocation, Message, MessageTimeout, PacketC,
+    PlayerClass, PlayerID, RecipeIndex, Score, TileIndex, glam::IVec2, movement::MovementBase,
+};
+use spatial_index::SpatialIndex;
+use std::{
+    collections::{BTreeSet, HashMap, HashSet, VecDeque},
+    sync::Arc,
+    time::Instant,
+};
+use crate::gamedata_index::GamedataIndex;
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct Involvement {
+    pub position: f32,
+    pub speed: f32,
+    pub recipe: RecipeIndex,
+    pub players: BTreeSet<PlayerID>,
+    pub warn: bool,
+}
+
+#[derive(Debug, PartialEq)]
+pub struct Item {
+    pub kind: ItemIndex,
+    pub active: Option<Involvement>,
+}
+
+pub struct Tile {
+    pub kind: TileIndex,
+    pub item: Option<Item>,
+}
+
+pub struct Player {
+    pub name: String,
+    pub class: PlayerClass,
+    pub character: Character,
+    pub interacting: Option<(ItemLocation, Hand)>,
+    pub items: Vec<Option<Item>>,
+    pub communicate_persist: Option<(Message, MessageTimeout)>,
+
+    pub movement: MovementBase,
+}
+
+#[derive(Default)]
+pub struct Game {
+    pub data: Arc<Gamedata>,
+    pub data_index: GamedataIndex,
+
+    pub tiles: HashMap<IVec2, Tile>,
+    pub players: HashMap<PlayerID, Player>,
+    pub end: Option<Instant>,
+    pub lobby: bool,
+    pub environment_effects: HashSet<String>,
+    pub score: Score,
+    pub player_id_counter: i64,
+
+    pub players_spatial_index: SpatialIndex<PlayerID>,
+    pub walkable: HashSet<IVec2>,
+    pub tile_index: HashMap<TileIndex, HashSet<IVec2>>,
+
+    pub events: VecDeque<PacketC>,
+}
+
+impl Game {
+    pub fn apply_packet(&mut self, packet: PacketC) {
+        match packet {
+            PacketC::Data { data } => {
+                self.data = Arc::new(*data);
+            }
+            PacketC::AddPlayer {
+                id,
+                position,
+                character,
+                class,
+                name,
+            } => {
+                self.players.insert(
+                    id,
+                    Player {
+                        name,
+                        character,
+                        class,
+                        interacting: None,
+                        items: (0..self.data.hand_count).map(|_| None).collect(),
+                        communicate_persist: None,
+                        movement: MovementBase::new(position),
+                    },
+                );
+            }
+            PacketC::RemovePlayer { id } => {
+                self.players.remove(&id);
+            }
+            PacketC::Movement {
+                player,
+                pos,
+                rot,
+                boost,
+                dir,
+            } => {
+                if let Some(p) = self.players.get_mut(&player) {
+                    p.movement.input(dir, boost);
+                    p.movement.position = pos;
+                    p.movement.rotation = rot;
+                }
+            }
+            PacketC::MoveItem { from, to } => {
+                if let Some(item) = self.get_item(to).map(|e| e.take()) {
+                    if let Some(to) = self.get_item(from) {
+                        *to = item;
+                    } else {
+                        // TODO perhaps restore to original position?
+                    }
+                }
+            }
+            PacketC::SetItem { location, item } => {
+                let location = self.get_item(location);
+                if let Some(location) = location {
+                    *location = item.map(|kind| Item { kind, active: None });
+                }
+            }
+            PacketC::ClearProgress { item } => {
+                if let Some(Some(item)) = self.get_item(item) {
+                    item.active = None;
+                }
+            }
+            PacketC::SetProgress {
+                item,
+                position,
+                players,
+                speed,
+                warn,
+            } => {
+                if let Some(Some(item)) = self.get_item(item) {
+                    item.active = Some(Involvement {
+                        players,
+                        speed,
+                        warn,
+                        position,
+                        recipe: RecipeIndex(0),
+                    });
+                }
+            }
+            PacketC::UpdateMap {
+                tile,
+                kind,
+                neighbors: _,
+            } => {
+                self.set_tile(tile, kind);
+            }
+            PacketC::Communicate {
+                player,
+                message,
+                timeout,
+            } => {
+                if let Some(timeout) = &timeout
+                    && let Some(player) = self.players.get_mut(&player)
+                {
+                    player.communicate_persist = message.to_owned().map(|m| (m, *timeout));
+                }
+            }
+            PacketC::Score(score) => {
+                self.score = score;
+            }
+            PacketC::SetIngame { state: _, lobby } => {
+                self.lobby = lobby;
+            }
+            PacketC::Environment { effects } => {
+                self.environment_effects = effects;
+            }
+            _ => (),
+        }
+    }
+
+    pub fn set_tile(&mut self, pos: IVec2, kind: Option<TileIndex>) {
+        self.tiles.remove(&pos);
+        self.walkable.remove(&pos);
+        if let Some(prev) = self.tiles.get(&pos) {
+            if let Some(set) = self.tile_index.get_mut(&prev.kind) {
+                set.remove(&pos);
+            }
+        }
+        if let Some(kind) = kind {
+            self.tiles.insert(pos, Tile { kind, item: None });
+            if self.data_index.tile_collide[kind.0] {
+                self.walkable.insert(pos);
+            }
+            self.tile_index.entry(kind).or_default().insert(pos);
+        }
+        self.events.push_back(PacketC::UpdateMap {
+            tile: pos,
+            kind,
+            neighbors: [
+                self.tiles.get(&(pos + IVec2::NEG_Y)).map(|e| e.kind),
+                self.tiles.get(&(pos + IVec2::NEG_X)).map(|e| e.kind),
+                self.tiles.get(&(pos + IVec2::Y)).map(|e| e.kind),
+                self.tiles.get(&(pos + IVec2::X)).map(|e| e.kind),
+            ],
+        });
+    }
+
+    pub fn tick(&mut self, dt: f32) {
+        self.score.time_remaining -= dt as f64;
+        self.score.time_remaining -= self.score.time_remaining.max(0.);
+
+        for (&pid, player) in &mut self.players {
+            player.movement.update(&self.walkable, dt);
+            if let Some((_, timeout)) = &mut player.communicate_persist {
+                timeout.remaining -= dt;
+                if timeout.remaining < 0. {
+                    player.communicate_persist = None;
+                }
+            }
+            self.players_spatial_index
+                .update_entry(pid, player.movement.position);
+        }
+
+        for player in self.players.values_mut() {
+            for item in player.items.iter_mut().flatten() {
+                if let Some(active) = &mut item.active {
+                    active.position += active.speed;
+                }
+            }
+        }
+        for tile in self.tiles.values_mut() {
+            if let Some(item) = &mut tile.item
+                && let Some(active) = &mut item.active
+            {
+                active.position += active.speed;
+            }
+        }
+
+        self.players_spatial_index.all(|p1, pos1| {
+            self.players_spatial_index.query(pos1, 2., |p2, _pos2| {
+                if let [Some(a), Some(b)] = self.players.get_disjoint_mut([&p1, &p2]) {
+                    a.movement.collide(&mut b.movement, dt)
+                }
+            })
+        });
+    }
+
+    pub fn get_item(&mut self, location: ItemLocation) -> Option<&mut Option<Item>> {
+        match location {
+            ItemLocation::Tile(pos) => Some(&mut self.tiles.get_mut(&pos)?.item),
+            ItemLocation::Player(pid, hand) => {
+                Some(self.players.get_mut(&pid)?.items.get_mut(hand.0)?)
+            }
+        }
+    }
+    pub fn get_unused_player_id(&mut self) -> PlayerID {
+        //! not possible because of join logic in server / multiple entities spawning bots
+        // let mut id = PlayerID(0);
+        // while self.players.contains_key(&id) {
+        //     id.0 += 1;
+        // }
+        // id
+        self.player_id_counter += 1;
+        PlayerID(self.player_id_counter)
+    }
+}
+
+impl From<TileIndex> for Tile {
+    fn from(kind: TileIndex) -> Self {
+        Self { kind, item: None }
+    }
+}