blastmud/blastmud_game/src/message_handler/user_commands/close.rs
2023-04-16 22:39:34 +10:00

121 lines
4.9 KiB
Rust

use super::{
VerbContext, UserVerb, UserVerbRef, UResult, UserError, user_error,
get_player_item_or_fail,
open::{is_door_in_direction, DoorSituation},
};
use crate::{
regular_tasks::{
queued_command::{
QueueCommandHandler,
QueueCommand,
queue_command
},
},
static_content::{
room::Direction,
},
models::{
item::DoorState,
},
services::comms::broadcast_to_room,
};
use async_trait::async_trait;
use std::time;
pub struct QueueHandler;
#[async_trait]
impl QueueCommandHandler for QueueHandler {
async fn start_command(&self, ctx: &mut VerbContext<'_>, command: &QueueCommand)
-> UResult<time::Duration> {
let direction = match command {
QueueCommand::CloseDoor { direction } => direction,
_ => user_error("Unexpected queued command".to_owned())?
};
let player_item = get_player_item_or_fail(ctx).await?;
match is_door_in_direction(&ctx.trans, &direction, &player_item).await? {
DoorSituation::NoDoor => user_error("There is no door to close.".to_owned())?,
DoorSituation::DoorIntoRoom { state: DoorState { open: false, .. }, .. } |
DoorSituation::DoorOutOfRoom { state: DoorState { open: false, .. }, .. } =>
user_error("The door is already closed.".to_owned())?,
_ => {}
}
Ok(time::Duration::from_secs(1))
}
#[allow(unreachable_patterns)]
async fn finish_command(&self, ctx: &mut VerbContext<'_>, command: &QueueCommand)
-> UResult<()> {
let direction = match command {
QueueCommand::CloseDoor { direction } => direction,
_ => user_error("Unexpected queued command".to_owned())?
};
let player_item = get_player_item_or_fail(ctx).await?;
let (room_1, dir_in_room, room_2) = match is_door_in_direction(&ctx.trans, &direction, &player_item).await? {
DoorSituation::NoDoor => user_error("There is no door to close.".to_owned())?,
DoorSituation::DoorIntoRoom { state: DoorState { open: false, .. }, .. } |
DoorSituation::DoorOutOfRoom { state: DoorState { open: false, .. }, .. } =>
user_error("The door is already closed.".to_owned())?,
DoorSituation::DoorIntoRoom { room_with_door, current_room, .. } => {
if let Some(revdir) = direction.reverse() {
let mut entering_room_mut = (*room_with_door).clone();
if let Some(door_map) = entering_room_mut.door_states.as_mut() {
if let Some(door) = door_map.get_mut(&revdir) {
(*door).open = false;
}
};
ctx.trans.save_item_model(&entering_room_mut).await?;
(room_with_door, revdir, current_room)
} else {
user_error("There's no door possible there.".to_owned())?
}
},
DoorSituation::DoorOutOfRoom { room_with_door, new_room, .. } => {
let mut entering_room_mut = (*room_with_door).clone();
if let Some(door_map) = entering_room_mut.door_states.as_mut() {
if let Some(door) = door_map.get_mut(&direction) {
(*door).open = false;
}
}
ctx.trans.save_item_model(&entering_room_mut).await?;
(room_with_door, direction.clone(), new_room)
}
};
for (loc, dir) in [(&room_1.refstr(), &dir_in_room.describe()),
(&room_2.refstr(), &dir_in_room.reverse().map(|d| d.describe())
.unwrap_or_else(|| "outside".to_owned()))] {
broadcast_to_room(
&ctx.trans,
loc,
None,
&format!("{} closes the door to the {}.\n",
&player_item.display_for_sentence(true, 1, true),
dir
),
Some(
&format!("{} closes the door to the {}.\n",
&player_item.display_for_sentence(false, 1, true),
dir
)
)
).await?;
}
Ok(())
}
}
pub struct Verb;
#[async_trait]
impl UserVerb for Verb {
async fn handle(self: &Self, ctx: &mut VerbContext, _verb: &str, remaining: &str) -> UResult<()> {
let dir = Direction::parse(remaining)
.ok_or_else(|| UserError("Unknown direction".to_owned()))?;
queue_command(ctx, &QueueCommand::CloseDoor { direction: dir.clone() }).await?;
Ok(())
}
}
static VERB_INT: Verb = Verb;
pub static VERB: UserVerbRef = &VERB_INT as UserVerbRef;