implement /home to return to home town

common/src/cmd.rs

@@ -51,6 +51,7 @@ pub enum ChatCommand {
     Group,
     Health,
     Help,
+    Home,
     JoinFaction,
     Jump,
     Kick,
@@ -98,6 +99,7 @@ pub static CHAT_COMMANDS: &[ChatCommand] = &[
     ChatCommand::Group,
     ChatCommand::Health,
     ChatCommand::Help,
+    ChatCommand::Home,
     ChatCommand::JoinFaction,
     ChatCommand::Jump,
     ChatCommand::Kick,
@@ -267,6 +269,7 @@ impl ChatCommand {
                 "Display information about commands",
                 NoAdmin,
             ),
+            ChatCommand::Home => cmd(vec![], "Return to the home town", NoAdmin),
             ChatCommand::JoinFaction => ChatCommandData::new(
                 vec![Any("faction", Optional)],
                 "Join/leave the specified faction",
@@ -427,6 +430,7 @@ impl ChatCommand {
             ChatCommand::Health => "health",
             ChatCommand::JoinFaction => "join_faction",
             ChatCommand::Help => "help",
+            ChatCommand::Home => "home",
             ChatCommand::Jump => "jump",
             ChatCommand::Kick => "kick",
             ChatCommand::Kill => "kill",

server/src/cmd.rs

@@ -4,7 +4,7 @@
 
 use crate::{
     settings::{BanRecord, EditableSetting},
-    Server, StateExt,
+    Server, SpawnPoint, StateExt,
 };
 use chrono::{NaiveTime, Timelike};
 use common::{
@@ -82,6 +82,7 @@ fn get_handler(cmd: &ChatCommand) -> CommandHandler {
         ChatCommand::Group => handle_group,
         ChatCommand::Health => handle_health,
         ChatCommand::Help => handle_help,
+        ChatCommand::Home => handle_home,
         ChatCommand::JoinFaction => handle_join_faction,
         ChatCommand::Jump => handle_jump,
         ChatCommand::Kick => handle_kick,
@@ -359,6 +360,29 @@ fn handle_goto(
     }
 }
 
+fn handle_home(
+    server: &mut Server,
+    client: EcsEntity,
+    target: EcsEntity,
+    _args: String,
+    _action: &ChatCommand,
+) {
+    if server
+        .state
+        .read_component_copied::<comp::Pos>(target)
+        .is_some()
+    {
+        let home_pos = server.state.ecs().read_resource::<SpawnPoint>().0;
+        server.state.write_component(target, comp::Pos(home_pos));
+        server.state.write_component(target, comp::ForceUpdate);
+    } else {
+        server.notify_client(
+            client,
+            ChatType::CommandError.server_msg("You have no position."),
+        );
+    }
+}
+
 fn handle_kill(
     server: &mut Server,
     client: EcsEntity,