From 4dc15a1e86ef1ae985fdf36f1a84d07b1de99ea7 Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Tue, 25 Jun 2024 23:34:10 +0200
Subject: server can change map at runtime

---
 server/src/customer/mod.rs | 78 ++++++++++++++++++++++++++++------------------
 1 file changed, 48 insertions(+), 30 deletions(-)

(limited to 'server/src/customer/mod.rs')

diff --git a/server/src/customer/mod.rs b/server/src/customer/mod.rs
index 16275227..185133e7 100644
--- a/server/src/customer/mod.rs
+++ b/server/src/customer/mod.rs
@@ -1,19 +1,19 @@
 /*
     Undercooked - a game about cooking
     Copyright 2024 metamuffin
-    
+
     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 movement;
 mod pathfinding;
@@ -22,6 +22,7 @@ use crate::{
     data::Gamedata,
     game::Game,
     protocol::{DemandIndex, ItemIndex, Message, PacketC, PacketS, PlayerID},
+    state::State,
 };
 use glam::{IVec2, Vec2};
 use log::{debug, error};
@@ -39,6 +40,7 @@ use tokio::{
 };
 
 struct CustomerManager {
+    disabled: bool,
     walkable: HashSet<IVec2>,
     chairs: HashMap<IVec2, bool>,
     items: HashMap<IVec2, ItemIndex>,
@@ -77,34 +79,21 @@ struct Customer {
     state: CustomerState,
 }
 
-pub async fn customer(game: Arc<RwLock<Game>>, mut grx: broadcast::Receiver<PacketC>) {
+pub async fn customer(gstate: Arc<RwLock<State>>, mut grx: broadcast::Receiver<PacketC>) {
     let mut state = CustomerManager {
         customer_id_counter: PlayerID(0),
         walkable: Default::default(),
         chairs: Default::default(),
         items: Default::default(),
         customers: Default::default(),
+        disabled: true,
         demand: DemandState {
             data: Gamedata::default(),
         },
     };
-    let initial = game.write().await.prime_client(PlayerID(-1));
-    for p in initial {
-        match p {
-            PacketC::Init { data, .. } => {
-                state.demand.data = data;
-            }
-            PacketC::UpdateMap { pos, tile, .. } => {
-                let tilename = state.demand.data.tile_name(tile);
-                if !state.demand.data.is_tile_colliding(tile) {
-                    state.walkable.insert(pos);
-                }
-                if tilename == "chair" {
-                    state.chairs.insert(pos, true);
-                }
-            }
-            _ => (),
-        }
+    let initial = gstate.write().await.game.prime_client();
+    for packet in initial {
+        state.packet(packet);
     }
 
     let mut interval = interval(Duration::from_millis(40));
@@ -112,21 +101,25 @@ pub async fn customer(game: Arc<RwLock<Game>>, mut grx: broadcast::Receiver<Pack
     loop {
         tokio::select! {
             packet = grx.recv() => {
-                match packet.unwrap() {
+                let packet = packet.unwrap();
+                match packet {
                     PacketC::PutItem { .. }
                     | PacketC::TakeItem { .. }
                     | PacketC::SetTileItem { .. } => {
-                        let g = game.read().await;
-                        update_items(&mut state, &g)
+                        let g = gstate.read().await;
+                        update_items(&mut state, &g.game)
                     },
                     _ => ()
                 }
+                state.packet(packet);
             }
             _ = interval.tick() => {
-                state.tick(&mut packets_out, 0.04);
-                for (player,packet) in packets_out.drain(..) {
-                    if let Err(e) = game.write().await.packet_in(player, packet) {
-                        error!("customer misbehaved: {e}")
+                if !state.disabled {
+                    state.tick(&mut packets_out, 0.04);
+                    for (player,packet) in packets_out.drain(..) {
+                        if let Err(e) = gstate.write().await.packet_in(player, packet).await {
+                            error!("customer misbehaved: {e}")
+                        }
                     }
                 }
             }
@@ -134,6 +127,7 @@ pub async fn customer(game: Arc<RwLock<Game>>, mut grx: broadcast::Receiver<Pack
     }
 }
 
+// TODO very inefficient, please do that incrementally
 fn update_items(state: &mut CustomerManager, game: &Game) {
     state.items.clear();
     for (&pos, tile) in game.tiles() {
@@ -150,12 +144,36 @@ impl DemandState {
     }
     pub fn generate_demand(&self) -> DemandIndex {
         // TODO insert sofa magic formula
-
         DemandIndex(random::<usize>() % self.data.demands.len())
     }
 }
 
 impl CustomerManager {
+    pub fn packet(&mut self, packet: PacketC) {
+        match packet {
+            PacketC::Data { data } => {
+                self.disabled = data.demands.is_empty();
+                self.demand.data = data;
+            }
+            PacketC::RemovePlayer { id } => {
+                self.customers.remove(&id);
+            }
+            PacketC::UpdateMap {
+                tile: pos,
+                kind: Some(tile),
+                ..
+            } => {
+                let tilename = self.demand.data.tile_name(tile);
+                if !self.demand.data.is_tile_colliding(tile) {
+                    self.walkable.insert(pos);
+                }
+                if tilename == "chair" {
+                    self.chairs.insert(pos, true);
+                }
+            }
+            _ => (),
+        }
+    }
     pub fn tick(&mut self, packets_out: &mut Vec<(PlayerID, PacketS)>, dt: f32) {
         if self.customers.len() < self.demand.target_customer_count() {
             self.customer_id_counter.0 -= 1;
-- 
cgit v1.2.3-70-g09d2