Use Behavior::CanTrade instead of Agent::trade_for_site + addressed comments

common/src/comp/agent.rs

@@ -2,7 +2,7 @@ use crate::{
     comp::{humanoid, quadruped_low, quadruped_medium, quadruped_small, Body},
     path::Chaser,
     rtsim::RtSimController,
-    trade::{PendingTrade, ReducedInventory, SiteId, SitePrices, TradeId, TradeResult},
+    trade::{PendingTrade, ReducedInventory, SitePrices, TradeId, TradeResult},
     uid::Uid,
 };
 use specs::{Component, Entity as EcsEntity};
@@ -212,7 +212,6 @@ pub struct Agent {
     pub chaser: Chaser,
     /// Does the agent talk when e.g. hit by the player
     // TODO move speech patterns into a Behavior component
-    pub trade_for_site: Option<SiteId>,
     pub psyche: Psyche,
     pub inbox: VecDeque<AgentEvent>,
     pub action_timer: f32,
@@ -233,15 +232,9 @@ impl Agent {
         }
     }
 
-    pub fn new(
-        patrol_origin: Option<Vec3<f32>>,
-        trade_for_site: Option<SiteId>,
-        body: &Body,
-        no_flee: bool,
-    ) -> Self {
+    pub fn new(patrol_origin: Option<Vec3<f32>>, body: &Body, no_flee: bool) -> Self {
         Agent {
             patrol_origin,
-            trade_for_site,
             psyche: if no_flee {
                 Psyche { aggro: 1.0 }
             } else {

common/src/comp/behavior.rs

@@ -2,7 +2,13 @@ use specs::Component;
 use specs_idvs::IdvStorage;
 use std::mem;
 
-/// Behavior Component
+use crate::trade::SiteId;
+
+/// # Behavior Component
+/// This component allow an Entity to register one or more behavior tags.
+/// These tags act as flags of what an Entity can do, or what it is doing.  
+/// Behaviors Tags can be added and removed as the Entity lives, to update its
+/// state when needed
 #[derive(Default, Clone, Debug)]
 pub struct Behavior {
     tags: Vec<BehaviorTag>,
@@ -14,7 +20,7 @@ pub enum BehaviorTag {
     /// The entity is allowed to speak
     CanSpeak,
     /// The entity is able to trade
-    CanTrade,
+    CanTrade(Option<SiteId>),
 
     /// The entity is currently trading
     IsTrading,
@@ -23,13 +29,10 @@ pub enum BehaviorTag {
 }
 
 impl Behavior {
-    pub fn new(can_speak: bool, can_trade: bool) -> Self {
+    pub fn new(behavior_tags: &[BehaviorTag]) -> Self {
         let mut behavior = Self::default();
-        if can_speak {
-            behavior.add_tag(BehaviorTag::CanSpeak);
-        }
-        if can_trade {
-            behavior.add_tag(BehaviorTag::CanTrade);
+        for tag in behavior_tags.iter() {
+            behavior.add_tag(tag.clone())
         }
         behavior
     }
@@ -56,7 +59,9 @@ impl Behavior {
 
     /// Check if the Behavior possess a specific tag
     pub fn has_tag(&self, tag: &BehaviorTag) -> bool {
-        self.tags.iter().any(|behavior_tag| behavior_tag == tag)
+        self.tags
+            .iter()
+            .any(|behavior_tag| mem::discriminant(behavior_tag) == mem::discriminant(tag))
     }
 
     /// Get a specific tag by variant

common/src/states/basic_summon.rs

@@ -2,7 +2,7 @@ use crate::{
     comp::{
         self,
         inventory::loadout_builder::{LoadoutBuilder, LoadoutConfig},
-        Behavior, CharacterState, StateUpdate,
+        Behavior, BehaviorTag, CharacterState, StateUpdate,
     },
     event::{LocalEvent, ServerEvent},
     outcome::Outcome,
@@ -104,8 +104,8 @@ impl CharacterBehavior for Data {
                             poise: comp::Poise::new(body),
                             loadout,
                             body,
-                            agent: Some(comp::Agent::new(None, None, &body, true)),
-                            behavior: Some(Behavior::new(true, false)),
+                            agent: Some(comp::Agent::new(None, &body, true)),
+                            behavior: Some(Behavior::new(&[BehaviorTag::CanSpeak])),
                             alignment: comp::Alignment::Owned(*data.uid),
                             scale: self
                                 .static_data

server/src/cmd.rs

@@ -15,7 +15,7 @@ use common::{
         buff::{BuffCategory, BuffData, BuffKind, BuffSource},
         inventory::item::MaterialStatManifest,
         invite::InviteKind,
-        ChatType, Inventory, Item, LightEmitter, WaypointArea,
+        BehaviorTag, ChatType, Inventory, Item, LightEmitter, WaypointArea,
     },
     effect::Effect,
     event::{EventBus, ServerEvent},
@@ -1075,7 +1075,7 @@ fn handle_spawn_airship(
                 });
             if let Some(pos) = destination {
                 builder = builder.with(comp::Agent::with_destination(pos));
-                builder = builder.with(comp::Behavior::new(true, false))
+                builder = builder.with(comp::Behavior::new(&[BehaviorTag::CanSpeak]))
             }
             builder.build();
 

server/src/events/invite.rs

@@ -6,7 +6,7 @@ use common::{
         agent::{Agent, AgentEvent},
         group::GroupManager,
         invite::{Invite, InviteKind, InviteResponse, PendingInvites},
-        ChatType,
+        Behavior, ChatType,
     },
     trade::Trades,
     uid::Uid,
@@ -167,6 +167,7 @@ pub fn handle_invite_accept(server: &mut Server, entity: specs::Entity) {
     let clients = state.ecs().read_storage::<Client>();
     let uids = state.ecs().read_storage::<Uid>();
     let mut agents = state.ecs().write_storage::<Agent>();
+    let behaviors = state.ecs().read_storage::<Behavior>();
     let mut invites = state.ecs().write_storage::<Invite>();
     if let Some((inviter, kind)) = invites.remove(entity).and_then(|invite| {
         let Invite { inviter, kind } = invite;
@@ -223,10 +224,10 @@ pub fn handle_invite_accept(server: &mut Server, entity: specs::Entity) {
                             .inbox
                             .push_front(AgentEvent::TradeAccepted(invitee_uid));
                     }
-                    let pricing = agents
+                    let pricing = behaviors
                         .get(inviter)
-                        .and_then(|a| index.get_site_prices(a))
-                        .or_else(|| agents.get(entity).and_then(|a| index.get_site_prices(a)));
+                        .and_then(|b| index.get_site_prices(b))
+                        .or_else(|| behaviors.get(entity).and_then(|b| index.get_site_prices(b)));
                     clients.get(inviter).map(|c| {
                         c.send(ServerGeneral::UpdatePendingTrade(
                             id,

server/src/events/trade.rs

@@ -3,6 +3,7 @@ use common::{
     comp::{
         agent::{Agent, AgentEvent},
         inventory::{item::MaterialStatManifest, Inventory},
+        Behavior,
     },
     trade::{PendingTrade, ReducedInventory, TradeAction, TradeId, TradeResult, Trades},
 };
@@ -28,12 +29,13 @@ fn notify_agent_simple(
 
 fn notify_agent_prices(
     mut agents: specs::WriteStorage<Agent>,
+    behaviors: specs::ReadStorage<Behavior>,
     index: &IndexOwned,
     entity: EcsEntity,
     event: AgentEvent,
 ) {
-    if let Some(agent) = agents.get_mut(entity) {
-        let prices = index.get_site_prices(agent);
+    if let (Some(agent), Some(behavior)) = (agents.get_mut(entity), behaviors.get(entity)) {
+        let prices = index.get_site_prices(behavior);
         if let AgentEvent::UpdatePendingTrade(boxval) = event {
             // Box<(tid, pend, _, inventories)>) = event {
             agent
@@ -104,6 +106,7 @@ pub fn handle_process_trade_action(
                     let mut inventories: [Option<ReducedInventory>; 2] = [None, None];
                     let mut prices = None;
                     let agents = server.state.ecs().read_storage::<Agent>();
+                    let behaviors = server.state.ecs().read_storage::<Behavior>();
                     // sadly there is no map and collect on arrays
                     for i in 0..2 {
                         // parties.len()) {
@@ -118,7 +121,9 @@ pub fn handle_process_trade_action(
                             // Get price info from the first Agent in the trade (currently, an
                             // Agent will never initiate a trade with another agent though)
                             prices = prices.or_else(|| {
-                                agents.get(e).and_then(|a| server.index.get_site_prices(a))
+                                behaviors
+                                    .get(e)
+                                    .and_then(|b| server.index.get_site_prices(b))
                             });
                         }
                     }
@@ -135,6 +140,7 @@ pub fn handle_process_trade_action(
                             );
                             notify_agent_prices(
                                 server.state.ecs().write_storage::<Agent>(),
+                                server.state.ecs().read_storage::<Behavior>(),
                                 &server.index,
                                 e,
                                 AgentEvent::UpdatePendingTrade(Box::new((

server/src/rtsim/tick.rs

@@ -2,7 +2,7 @@
 
 use super::*;
 use common::{
-    comp::{self, inventory::loadout_builder::LoadoutBuilder, Behavior},
+    comp::{self, inventory::loadout_builder::LoadoutBuilder, Behavior, BehaviorTag},
     event::{EventBus, ServerEvent},
     resources::{DeltaTime, Time},
     terrain::TerrainGrid,
@@ -103,9 +103,9 @@ impl<'a> System<'a> for Sys {
                 .map(|e| e as f32)
                 + Vec3::new(0.5, 0.5, body.flying_height());
             let pos = comp::Pos(spawn_pos);
-            let agent = Some(comp::Agent::new(None, None, &body, false));
+            let agent = Some(comp::Agent::new(None, &body, false));
             let behavior = if matches!(body, comp::Body::Humanoid(_)) {
-                Some(Behavior::new(true, false))
+                Some(Behavior::new(&[BehaviorTag::CanSpeak]))
             } else {
                 None
             };

server/src/sys/agent.rs

@@ -935,7 +935,7 @@ impl<'a> AgentData<'a> {
                                         event_emitter.emit(ServerEvent::Chat(
                                             UnresolvedChatMsg::npc(*self.uid, msg),
                                         ));
-                                    } else if self.behavior.has_tag(&BehaviorTag::CanTrade) {
+                                    } else if self.behavior.has_tag(&BehaviorTag::CanTrade(None)) {
                                         let msg = "npc.speech.merchant_advertisement".to_string();
                                         event_emitter.emit(ServerEvent::Chat(
                                             UnresolvedChatMsg::npc(*self.uid, msg),
@@ -948,7 +948,7 @@ impl<'a> AgentData<'a> {
                                     }
                                 },
                                 Subject::Trade => {
-                                    if self.behavior.has_tag(&BehaviorTag::CanTrade) {
+                                    if self.behavior.has_tag(&BehaviorTag::CanTrade(None)) {
                                         if !self.behavior.has_tag(&BehaviorTag::IsTrading) {
                                             controller.events.push(ControlEvent::InitiateInvite(
                                                 by,
@@ -1097,7 +1097,7 @@ impl<'a> AgentData<'a> {
                 }
             },
             Some(AgentEvent::TradeInvite(with)) => {
-                if self.behavior.has_tag(&BehaviorTag::CanTrade) {
+                if self.behavior.has_tag(&BehaviorTag::CanTrade(None)) {
                     if !self.behavior.has_tag(&BehaviorTag::IsTrading) {
                         // stand still and looking towards the trading player
                         controller.actions.push(ControlAction::Stand);

server/src/sys/terrain.rs

@@ -2,7 +2,9 @@ use crate::{
     chunk_generator::ChunkGenerator, client::Client, presence::Presence, rtsim::RtSim, Tick,
 };
 use common::{
-    comp::{self, bird_medium, inventory::loadout_builder::LoadoutConfig, Alignment, Pos},
+    comp::{
+        self, bird_medium, inventory::loadout_builder::LoadoutConfig, Alignment, BehaviorTag, Pos,
+    },
     event::{EventBus, ServerEvent},
     generation::get_npc_name,
     npc::NPC_NAMES,
@@ -191,7 +193,6 @@ impl<'a> System<'a> for Sys {
                     agent: if entity.has_agency {
                         Some(comp::Agent::new(
                             Some(entity.pos),
-                            trade_for_site,
                             &body,
                             matches!(
                                 loadout_config,
@@ -202,7 +203,14 @@ impl<'a> System<'a> for Sys {
                         None
                     },
                     behavior: if entity.has_agency {
-                        Some(comp::Behavior::new(can_speak, trade_for_site.is_some()))
+                        let mut behavior_tags = vec![];
+                        if can_speak {
+                            behavior_tags.push(BehaviorTag::CanSpeak);
+                        }
+                        if trade_for_site.is_some() {
+                            behavior_tags.push(BehaviorTag::CanTrade(trade_for_site));
+                        }
+                        Some(comp::Behavior::new(&behavior_tags))
                     } else {
                         None
                     },

world/src/index.rs

@@ -4,7 +4,7 @@ use crate::{
 };
 use common::{
     assets::{AssetExt, AssetHandle},
-    comp::Agent,
+    comp::{Behavior, BehaviorTag},
     store::Store,
     trade::SitePrices,
 };
@@ -72,13 +72,17 @@ impl Index {
 
     pub fn colors(&self) -> AssetHandle<Arc<Colors>> { self.colors }
 
-    pub fn get_site_prices(&self, agent: &Agent) -> Option<SitePrices> {
-        agent
-            .trade_for_site
-            .map(|i| self.sites.recreate_id(i))
-            .flatten()
-            .map(|i| self.sites.get(i))
-            .map(|s| s.economy.get_site_prices())
+    pub fn get_site_prices(&self, behavior: &Behavior) -> Option<SitePrices> {
+        if let Some(BehaviorTag::CanTrade(site_id)) = behavior.get_tag(BehaviorTag::CanTrade(None))
+        {
+            site_id
+                .map(|i| self.sites.recreate_id(i))
+                .flatten()
+                .map(|i| self.sites.get(i))
+                .map(|s| s.economy.get_site_prices())
+        } else {
+            None
+        }
     }
 }