tp_npc command

common/src/cmd.rs

@@ -310,6 +310,7 @@ pub enum ServerChatCommand {
     Tell,
     Time,
     Tp,
+    TpNpc,
     Unban,
     Version,
     Waypoint,
@@ -679,6 +680,11 @@ impl ServerChatCommand {
                 "Teleport to another player",
                 Some(Moderator),
             ),
+            ServerChatCommand::TpNpc => cmd(
+                vec![Integer("npc index", 0, Required)],
+                "Teleport to a npc",
+                Some(Moderator),
+            ),
             ServerChatCommand::Unban => cmd(
                 vec![PlayerName(Required)],
                 "Remove the ban for the given username",
@@ -801,6 +807,7 @@ impl ServerChatCommand {
             ServerChatCommand::Tell => "tell",
             ServerChatCommand::Time => "time",
             ServerChatCommand::Tp => "tp",
+            ServerChatCommand::TpNpc => "tp_npc",
             ServerChatCommand::Unban => "unban",
             ServerChatCommand::Version => "version",
             ServerChatCommand::Waypoint => "waypoint",

server/src/cmd.rs

@@ -184,6 +184,7 @@ fn do_command(
         ServerChatCommand::Tell => handle_tell,
         ServerChatCommand::Time => handle_time,
         ServerChatCommand::Tp => handle_tp,
+        ServerChatCommand::TpNpc => handle_tp_npc,
         ServerChatCommand::Unban => handle_unban,
         ServerChatCommand::Version => handle_version,
         ServerChatCommand::Waypoint => handle_waypoint,
@@ -1182,6 +1183,25 @@ fn handle_tp(
     })
 }
 
+fn handle_tp_npc(
+    server: &mut Server,
+    _client: EcsEntity,
+    target: EcsEntity,
+    args: Vec<String>,
+    action: &ServerChatCommand,
+) -> CmdResult<()> {
+    use crate::rtsim2::RtSim;
+    let pos = if let Some(id) = parse_cmd_args!(args, u32) {
+        // TODO: Take some other identifier than an integer to this command. 
+        server.state.ecs().read_resource::<RtSim>().state().data().npcs.values().nth(id as usize).ok_or(action.help_string())?.wpos
+    }  else {
+        return Err(action.help_string());
+    };
+    position_mut(server, target, "target", |target_pos| {
+        target_pos.0 = pos;
+    })
+}
+
 fn handle_spawn(
     server: &mut Server,
     client: EcsEntity,

server/src/rtsim2/mod.rs

@@ -179,6 +179,10 @@ impl RtSim {
     pub fn get_chunk_resources(&self, key: Vec2<i32>) -> EnumMap<ChunkResource, f32> {
         self.state.data().nature.get_chunk_resources(key)
     }
+
+    pub fn state(&self) -> &RtState {
+        &self.state
+    }
 }
 
 struct ChunkStates(pub Grid<Option<LoadedChunkState>>);