Allowed specifying that rtsim entities spawn at a particular site.

server/src/lib.rs

@@ -468,7 +468,7 @@ impl Server {
 
         // Initiate real-time world simulation
         #[cfg(feature = "worldgen")]
-        rtsim::init(&mut state, &world);
+        rtsim::init(&mut state, &world, index.as_index_ref());
         #[cfg(not(feature = "worldgen"))]
         rtsim::init(&mut state);
 

server/src/rtsim/entity.rs

@@ -441,6 +441,7 @@ impl Entity {
                     Travel::Lost
                 }
             },
+            Travel::Idle => Travel::Idle,
         };
 
         // Forget old memories
@@ -482,6 +483,8 @@ enum Travel {
         progress: usize,
         reversed: bool,
     },
+    // For testing purposes
+    Idle,
 }
 
 impl Default for Travel {
@@ -498,6 +501,16 @@ pub struct Brain {
 }
 
 impl Brain {
+    pub fn idle() -> Self {
+        Self {
+            begin: None,
+            tgt: None,
+            route: Travel::Idle,
+            last_visited: None,
+            memories: Vec::new(),
+        }
+    }
+
     pub fn add_memory(&mut self, memory: Memory) { self.memories.push(memory); }
 
     pub fn forget_enemy(&mut self, to_forget: &str) {

server/src/rtsim/mod.rs

@@ -20,7 +20,7 @@ use slab::Slab;
 use specs::{DispatcherBuilder, WorldExt};
 use vek::*;
 
-pub use self::entity::Entity;
+pub use self::entity::{Entity, Brain};
 
 pub struct RtSim {
     tick: u64,
@@ -104,7 +104,7 @@ pub fn add_server_systems(dispatch_builder: &mut DispatcherBuilder) {
     ]);
 }
 
-pub fn init(state: &mut State, #[cfg(feature = "worldgen")] world: &world::World) {
+pub fn init(state: &mut State, #[cfg(feature = "worldgen")] world: &world::World, #[cfg(feature = "worldgen")] index: world::IndexRef) {
     #[cfg(feature = "worldgen")]
     let mut rtsim = RtSim::new(world.sim().get_size());
     #[cfg(not(feature = "worldgen"))]
@@ -113,6 +113,7 @@ pub fn init(state: &mut State, #[cfg(feature = "worldgen")] world: &world::World
     // TODO: Determine number of rtsim entities based on things like initial site
     // populations rather than world size
     #[cfg(feature = "worldgen")]
+    {
         for _ in 0..world.sim().get_size().product() / 400 {
             let pos = rtsim
                 .chunks
@@ -130,6 +131,32 @@ pub fn init(state: &mut State, #[cfg(feature = "worldgen")] world: &world::World
                 brain: Default::default(),
             });
         }
+        for site in world.civs().sites.iter().filter_map(|(_, site)| site.site_tmp.map(|id| &index.sites[id])) {
+            use world::site::SiteKind;
+            match &site.kind {
+                SiteKind::Dungeon(dungeon) => {
+                    match dungeon.dungeon_difficulty() {
+                        Some(5) => {
+                            let pos = site.get_origin();
+
+                            for _ in 0..25 {
+                                rtsim.entities.insert(Entity {
+                                    is_loaded: false,
+                                    pos: Vec3::from(pos.map(|e| e as f32)),
+                                    seed: thread_rng().gen(),
+                                    controller: RtSimController::default(),
+                                    last_time_ticked: 0.0,
+                                    brain: Brain::idle(),
+                                });
+                            }
+                        },
+                        _ => {},
+                    }
+                },
+                _ => {},
+            }
+        }
+    }
 
     state.ecs_mut().insert(rtsim);
     state.ecs_mut().register::<RtSimEntity>();