1 files changed, 108 insertions, 0 deletions
diff --git a/server/bot/src/algos/simple.rs b/server/bot/src/algos/simple.rs
new file mode 100644
index 00000000..125f7e0b
--- /dev/null
+++ b/server/bot/src/algos/simple.rs
@@ -0,0 +1,108 @@
+use crate::{
+    pathfinding::{find_path_to_neighbour, Path},
+    BotAlgo, BotInput,
+};
+use hurrycurry_client_lib::Game;
+use hurrycurry_protocol::{glam::IVec2, ItemIndex, Message, PlayerID};
+
+#[derive(Default)]
+pub struct Simple {
+    path: Option<(Path, IVec2)>,
+    cooldown: f32,
+}
+
+struct SimpleContext<'a> {
+    game: &'a Game,
+    me: PlayerID,
+    own_position: IVec2,
+    state: &'a mut Simple,
+}
+
+impl BotAlgo for Simple {
+    fn tick(&mut self, me: PlayerID, game: &Game, _dt: f32) -> BotInput {
+        let Some(player) = game.players.get(&me) else {
+            return BotInput::default();
+        };
+        let pos = player.movement.position;
+
+        if self.cooldown > 0. {
+            self.cooldown -= _dt;
+        }
+
+        if let Some((path, target)) = &mut self.path {
+            let direction = path.next_direction(pos);
+            let done = path.is_done();
+            let target = *target;
+            if done {
+                self.path = None;
+                self.cooldown = 1.;
+            }
+            return BotInput {
+                direction,
+                boost: false,
+                interact: if done { Some(target) } else { None },
+            };
+        }
+
+        SimpleContext {
+            game,
+            own_position: pos.as_ivec2(),
+            me,
+            state: self,
+        }
+        .update();
+
+        BotInput::default()
+    }
+}
+
+impl SimpleContext<'_> {
+    pub fn is_hand_item(&self, item: ItemIndex) -> bool {
+        self.game
+            .players
+            .get(&self.me)
+            .map_or(false, |p| p.item.as_ref().map_or(false, |i| i.kind == item))
+    }
+    fn find_demand(&self) -> Option<(ItemIndex, IVec2)> {
+        self.game
+            .players
+            .iter()
+            .find_map(|(_, pl)| match &pl.communicate_persist {
+                Some(Message::Item(item)) => {
+                    let pos = pl.movement.position.as_ivec2();
+                    [IVec2::X, IVec2::Y, -IVec2::X, -IVec2::Y]
+                        .into_iter()
+                        .find(|off| {
+                            self.game
+                                .tiles
+                                .get(&(pos + *off))
+                                .map_or(false, |t| self.game.data.tile_interact[t.kind.0])
+                        })
+                        .map(|off| pos + off)
+                        .map(|pos| (*item, pos))
+                }
+                _ => None,
+            })
+    }
+    pub fn aquire_item(&mut self, item: ItemIndex) -> bool {
+        if self.is_hand_item(item) {
+            return true;
+        }
+
+        false
+    }
+    pub fn update(&mut self) {
+        if let Some((item, table)) = self.find_demand() {
+            if !self.aquire_item(item) {
+                return;
+            }
+            if let Some(path) =
+                find_path_to_neighbour(&self.game.walkable, self.own_position, table)
+            {
+                self.state.path = Some((path, table));
+            }
+        }
+    }
+}
+
+// fn find_item_on_map(game: &Game, item: ItemIndex) -> Option<IVec2> {}