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Merge branch 'master' into 'master'

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add chat commands

See merge request veloren/veloren!33

Former-commit-id: dbef1677b800ae3eaecdeba4fda12973654c9149
This commit is contained in:
Joshua Barretto 2019-04-16 21:16:07 +00:00
commit d4368e2891
4 changed files with 298 additions and 91 deletions
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11
Cargo.lock generated
View File

@ -1552,6 +1552,14 @@ dependencies = [
"winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "scan_fmt"
version = "0.1.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"regex 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "scoped_threadpool"
version = "0.1.9"
@ -1907,6 +1915,8 @@ dependencies = [
name = "veloren-server"
version = "0.2.0"
dependencies = [
"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
"scan_fmt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
"specs 0.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
"threadpool 1.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
"vek 0.9.7 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2329,6 +2339,7 @@ dependencies = [
"checksum rusttype 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "25951e85bb2647960969f72c559392245a5bd07446a589390bf427dda31cdc4a"
"checksum ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "eb9e9b8cde282a9fe6a42dd4681319bfb63f121b8a8ee9439c6f4107e58a46f7"
"checksum same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8f20c4be53a8a1ff4c1f1b2bd14570d2f634628709752f0702ecdd2b3f9a5267"
"checksum scan_fmt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8b87497427f9fbe539ee6b9626f5a5e899331fdf1c1d62f14c637a462969db30"
"checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"

2
server/Cargo.toml
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@ -11,3 +11,5 @@ world = { package = "veloren-world", path = "../world" }
specs = "0.14"
vek = "0.9"
threadpool = "1.7"
lazy_static = "1.3.0"
scan_fmt = "0.1.3"

178
server/src/cmd.rs Normal file
View File

@ -0,0 +1,178 @@
//! # Implementing new commands
//! To implement a new command, add an instance of `ChatCommand` to `CHAT_COMMANDS`
//! and provide a handler function.
use crate::Server;
use common::{comp, msg::ServerMsg};
use specs::{join::Join, Entity as EcsEntity};
use vek::*;
use lazy_static::lazy_static;
use scan_fmt::scan_fmt;
/// Struct representing a command that a user can run from server chat
pub struct ChatCommand {
/// The keyword used to invoke the command, omitting the leading '/'
pub keyword: &'static str,
/// A format string for parsing arguments
arg_fmt: &'static str,
/// message to explain how the command is used
help_string: &'static str,
/// Handler function called when the command is executed
/// # Arguments
/// * `&mut Server` - the `Server` instance executing the command
/// * `EcsEntity` - an `Entity` corresponding to the player that invoked the command
/// * `String` - a `String` containing the part of the command after the keyword
/// * `&ChatCommand` - the command to execute with the above arguments
/// Handler functions must parse arguments from the the given `String` (`scan_fmt!` is included for this purpose)
handler: fn(&mut Server, EcsEntity, String, &ChatCommand),
}
impl ChatCommand {
/// Creates a new chat command
pub fn new(
keyword: &'static str,
arg_fmt: &'static str,
help_string: &'static str,
handler: fn(&mut Server, EcsEntity, String, &ChatCommand),
) -> Self {
Self {
keyword,
arg_fmt,
help_string,
handler,
}
}
/// Calls the contained handler function, passing `&self` as the last argument
pub fn execute(&self, server: &mut Server, entity: EcsEntity, args: String) {
(self.handler)(server, entity, args, self);
}
}
lazy_static! {
/// Static list of chat commands available to the server
pub static ref CHAT_COMMANDS: Vec<ChatCommand> = vec![
ChatCommand::new(
"jump",
"{d} {d} {d}",
"jump: offset your current position by a vector\n
Usage: /jump [x] [y] [z]",
handle_jump
),
ChatCommand::new(
"goto",
"{d} {d} {d}",
"goto: teleport to a given position\n
Usage: /goto [x] [y] [z]",
handle_goto
),
ChatCommand::new(
"alias",
"{}",
"alias: change your player name (cannot contain spaces)\n
Usage: /alias [name]",
handle_alias
),
ChatCommand::new(
"tp",
"{}",
"tp: teleport to a named player\n
Usage: /tp [name]",
handle_tp
),
ChatCommand::new("help", "", "help: display this message", handle_help)
];
}
fn handle_jump(server: &mut Server, entity: EcsEntity, args: String, action: &ChatCommand) {
let (opt_x, opt_y, opt_z) = scan_fmt!(&args, action.arg_fmt, f32, f32, f32);
match (opt_x, opt_y, opt_z) {
(Some(x), Some(y), Some(z)) => {
match server
.state
.read_component_cloned::<comp::phys::Pos>(entity)
{
Some(current_pos) => server
.state
.write_component(entity, comp::phys::Pos(current_pos.0 + Vec3::new(x, y, z))),
None => server.clients.notify(
entity,
ServerMsg::Chat(String::from("Command 'jump' invalid in current state")),
),
}
}
_ => server
.clients
.notify(entity, ServerMsg::Chat(String::from(action.help_string))),
}
}
fn handle_goto(server: &mut Server, entity: EcsEntity, args: String, action: &ChatCommand) {
let (opt_x, opt_y, opt_z) = scan_fmt!(&args, action.arg_fmt, f32, f32, f32);
match (opt_x, opt_y, opt_z) {
(Some(x), Some(y), Some(z)) => server
.state
.write_component(entity, comp::phys::Pos(Vec3::new(x, y, z))),
_ => server
.clients
.notify(entity, ServerMsg::Chat(String::from(action.help_string))),
}
}
fn handle_alias(server: &mut Server, entity: EcsEntity, args: String, action: &ChatCommand) {
let opt_alias = scan_fmt!(&args, action.arg_fmt, String);
match opt_alias {
Some(alias) => server
.state
.write_component(entity, comp::player::Player { alias }),
None => server
.clients
.notify(entity, ServerMsg::Chat(String::from(action.help_string))),
}
}
fn handle_tp(server: &mut Server, entity: EcsEntity, args: String, action: &ChatCommand) {
let opt_alias = scan_fmt!(&args, action.arg_fmt, String);
match opt_alias {
Some(alias) => {
let ecs = server.state.ecs().internal();
let opt_player = (&ecs.entities(), &ecs.read_storage::<comp::player::Player>())
.join()
.find(|(_, player)| player.alias == alias)
.map(|(entity, _)| entity);
match opt_player {
Some(player) => match server
.state
.read_component_cloned::<comp::phys::Pos>(player)
{
Some(pos) => server.state.write_component(entity, pos),
None => server.clients.notify(
entity,
ServerMsg::Chat(format!("Unable to teleport to player '{}'", alias)),
),
},
None => {
server.clients.notify(
entity,
ServerMsg::Chat(format!("Player '{}' not found!", alias)),
);
server
.clients
.notify(entity, ServerMsg::Chat(String::from(action.help_string)));
}
}
}
None => server
.clients
.notify(entity, ServerMsg::Chat(String::from(action.help_string))),
}
}
fn handle_help(server: &mut Server, entity: EcsEntity, _args: String, _action: &ChatCommand) {
for cmd in CHAT_COMMANDS.iter() {
server
.clients
.notify(entity, ServerMsg::Chat(String::from(cmd.help_string)));
}
}

198
server/src/lib.rs
View File

@ -3,55 +3,34 @@
pub mod client;
pub mod error;
pub mod input;
pub mod cmd;
// Reexports
pub use crate::{
error::Error,
input::Input,
};
pub use crate::{error::Error, input::Input};
use std::{
time::Duration,
net::SocketAddr,
sync::mpsc,
collections::HashSet,
};
use specs::{
Entity as EcsEntity,
world::EntityBuilder as EcsEntityBuilder,
Builder,
join::Join,
saveload::MarkedBuilder,
};
use vek::*;
use threadpool::ThreadPool;
use crate::{client::{Client, ClientState, Clients}, cmd::CHAT_COMMANDS};
use common::{
comp,
state::{State, Uid},
msg::{ClientMsg, ServerMsg},
net::PostOffice,
msg::{ServerMsg, ClientMsg},
state::State,
terrain::TerrainChunk,
};
use world::World;
use crate::client::{
ClientState,
Client,
Clients,
use specs::{
join::Join, saveload::MarkedBuilder, world::EntityBuilder as EcsEntityBuilder, Builder,
Entity as EcsEntity,
};
use std::{collections::HashSet, net::SocketAddr, sync::mpsc, time::Duration};
use threadpool::ThreadPool;
use vek::*;
use world::World;
const CLIENT_TIMEOUT: f64 = 5.0; // Seconds
pub enum Event {
ClientConnected {
entity: EcsEntity,
},
ClientDisconnected {
entity: EcsEntity,
},
Chat {
entity: EcsEntity,
msg: String,
},
ClientConnected { entity: EcsEntity },
ClientDisconnected { entity: EcsEntity },
Chat { entity: EcsEntity, msg: String },
}
pub struct Server {
@ -73,11 +52,8 @@ impl Server {
pub fn new() -> Result<Self, Error> {
let (chunk_tx, chunk_rx) = mpsc::channel();
let mut state = State::new();
state.ecs_mut().internal_mut().register::<comp::phys::ForceUpdate>();
Ok(Self {
state,
state: State::new(),
world: World::new(),
postoffice: PostOffice::bind(SocketAddr::from(([0; 4], 59003)))?,
@ -94,17 +70,25 @@ impl Server {
/// Get a reference to the server's game state.
#[allow(dead_code)]
pub fn state(&self) -> &State { &self.state }
pub fn state(&self) -> &State {
&self.state
}
/// Get a mutable reference to the server's game state.
#[allow(dead_code)]
pub fn state_mut(&mut self) -> &mut State { &mut self.state }
pub fn state_mut(&mut self) -> &mut State {
&mut self.state
}
/// Get a reference to the server's world.
#[allow(dead_code)]
pub fn world(&self) -> &World { &self.world }
pub fn world(&self) -> &World {
&self.world
}
/// Get a mutable reference to the server's world.
#[allow(dead_code)]
pub fn world_mut(&mut self) -> &mut World { &mut self.world }
pub fn world_mut(&mut self) -> &mut World {
&mut self.world
}
/// Execute a single server tick, handle input and update the game state by the given duration
#[allow(dead_code)]
@ -147,8 +131,14 @@ impl Server {
for (entity, player, pos) in (
&self.state.ecs().internal().entities(),
&self.state.ecs().internal().read_storage::<comp::Player>(),
&self.state.ecs().internal().read_storage::<comp::phys::Pos>(),
).join() {
&self
.state
.ecs()
.internal()
.read_storage::<comp::phys::Pos>(),
)
.join()
{
// TODO: Distance check
// if self.state.terrain().key_pos(key)
@ -182,23 +172,18 @@ impl Server {
let mut frontend_events = Vec::new();
for mut postbox in self.postoffice.new_postboxes() {
let entity = self.state
.ecs_mut()
.create_entity_synced()
.build();
let entity = self.state.ecs_mut().create_entity_synced().build();
// Make sure the entity gets properly created
self.state.ecs_mut().internal_mut().maintain();
self.clients.add(entity, Client {
state: ClientState::Connecting,
postbox,
last_ping: self.state.get_time(),
});
frontend_events.push(Event::ClientConnected {
self.clients.add(
entity,
});
Client {
state: ClientState::Connecting,
postbox,
last_ping: self.state.get_time(),
},
);
frontend_events.push(Event::ClientConnected { entity });
}
Ok(frontend_events)
@ -236,7 +221,6 @@ impl Server {
state.write_component(entity, character);
}
state.write_component(entity, comp::phys::ForceUpdate);
client.state = ClientState::Connected;
@ -249,34 +233,36 @@ impl Server {
.unwrap()
.into(),
});
},
}
_ => disconnect = true,
},
ClientState::Connected => match msg {
ClientMsg::Connect { .. } => disconnect = true, // Not allowed when already connected
ClientMsg::Disconnect => disconnect = true,
ClientMsg::Ping => client.postbox.send_message(ServerMsg::Pong),
ClientMsg::Pong => {},
ClientMsg::Pong => {}
ClientMsg::Chat(msg) => new_chat_msgs.push((entity, msg)),
ClientMsg::PlayerAnimation(animation) => state.write_component(entity, animation),
ClientMsg::PlayerPhysics { pos, vel, dir } => {
state.write_component(entity, pos);
state.write_component(entity, vel);
state.write_component(entity, dir);
},
ClientMsg::TerrainChunkRequest { key } => match state.terrain().get_key(key) {
Some(chunk) => {}, /*client.postbox.send_message(ServerMsg::TerrainChunkUpdate {
}
ClientMsg::TerrainChunkRequest { key } => {
match state.terrain().get_key(key) {
Some(chunk) => {} /*client.postbox.send_message(ServerMsg::TerrainChunkUpdate {
key,
chunk: Box::new(chunk.clone()),
}),*/
None => requested_chunks.push(key),
},
}),*/
None => requested_chunks.push(key),
}
}
},
}
}
} else if
state.get_time() - client.last_ping > CLIENT_TIMEOUT || // Timeout
client.postbox.error().is_some() // Postbox error
} else if state.get_time() - client.last_ping > CLIENT_TIMEOUT || // Timeout
client.postbox.error().is_some()
// Postbox error
{
disconnect = true;
} else if state.get_time() - client.last_ping > CLIENT_TIMEOUT * 0.5 {
@ -294,29 +280,33 @@ impl Server {
// Handle new chat messages
for (entity, msg) in new_chat_msgs {
self.clients.notify_connected(ServerMsg::Chat(match state
.ecs()
.internal()
.read_storage::<comp::Player>()
.get(entity)
{
Some(player) => format!("[{}] {}", &player.alias, msg),
None => format!("[<anon>] {}", msg),
}));
// Handle chat commands
if msg.starts_with("/") && msg.len() > 1 {
let argv = String::from(&msg[1..]);
self.process_chat_cmd(entity, argv);
} else {
self.clients.notify_connected(ServerMsg::Chat(
match self
.state
.ecs()
.internal()
.read_storage::<comp::Player>()
.get(entity)
{
Some(player) => format!("[{}] {}", &player.alias, msg),
None => format!("[<anon>] {}", msg),
},
));
frontend_events.push(Event::Chat {
entity,
msg,
});
frontend_events.push(Event::Chat { entity, msg });
}
}
// Handle client disconnects
for entity in disconnected_clients {
state.ecs_mut().delete_entity_synced(entity).unwrap();
self.state.ecs_mut().delete_entity_synced(entity);
frontend_events.push(Event::ClientDisconnected {
entity,
});
frontend_events.push(Event::ClientDisconnected { entity });
}
// Generate requested chunks
@ -375,7 +365,33 @@ impl Server {
pub fn generate_chunk(&mut self, key: Vec3<i32>) {
if self.pending_chunks.insert(key) {
let chunk_tx = self.chunk_tx.clone();
self.thread_pool.execute(move || chunk_tx.send((key, World::generate_chunk(key))).unwrap());
self.thread_pool
.execute(move || chunk_tx.send((key, World::generate_chunk(key))).unwrap());
}
}
fn process_chat_cmd(&mut self, entity: EcsEntity, cmd: String) {
// separate string into keyword and arguments
let sep = cmd.find(' ');
let (kwd, args) = match sep {
Some(i) => (cmd[..i].to_string(), cmd[(i + 1)..].to_string()),
None => (cmd, "".to_string()),
};
// find command object and run its handler
let action_opt = CHAT_COMMANDS.iter().find(|x| x.keyword == kwd);
match action_opt {
Some(action) => action.execute(self, entity, args),
// unknown command
None => {
self.clients.notify(
entity,
ServerMsg::Chat(format!(
"Unrecognised command: '/{}'\ntype '/help' for a list of available commands",
kwd
)),
);
}
}
}
}