1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
use std::collections::HashMap;
use crate::hashmap;
use crate::{
PlayerId,
RoomId,
room::Room,
worldloader::WorldLoader,
persistence::PersistentStorage,
playerstate::{PlayerState, RoomPos},
Encyclopedia,
controls::Control,
Result,
aerr,
worldmessages::WorldMessage,
Timestamp,
purgatory
};
pub struct World<'a, 'b> {
template_loader: WorldLoader,
persistence: Box<dyn PersistentStorage>,
default_room: RoomId,
players: HashMap<PlayerId, RoomId>,
rooms: HashMap<RoomId, Room<'a, 'b>>,
encyclopedia: Encyclopedia,
time: Timestamp
}
impl <'a, 'b>World<'a, 'b> {
pub fn new(encyclopedia: Encyclopedia, template_loader: WorldLoader, persistence: Box<dyn PersistentStorage>, default_room: RoomId) -> Self {
World {
template_loader,
persistence,
default_room,
encyclopedia: encyclopedia.clone(),
players: HashMap::new(),
rooms: hashmap!(purgatory::purgatory_id() => purgatory::create_purgatory(encyclopedia)),
time: Timestamp(1000000)
}
}
fn get_room_mut(&mut self, id: &RoomId) -> Result<&mut Room<'a, 'b>> {
if !self.rooms.contains_key(id){
let template = self.template_loader.load_room(id.clone())?;
let mut room: Room = Room::create(id.clone(), &self.encyclopedia, &template);
if let Ok(state) = self.persistence.load_room(id.clone()){
room.load_saved(&state);
}
let last_time = self.time - 1;
if room.get_time() < last_time {
room.update(last_time);
}
self.rooms.insert(id.clone(), room);
}
// todo: log any that occurs (and still return it)
self.rooms.get_mut(id).ok_or(aerr!("can't get room after loading it"))
}
fn add_loaded_player(&mut self, state: PlayerState) -> Result<()> {
let roomid = state.clone().room.unwrap_or_else(|| self.default_room.clone());
let room = self.get_room_mut(&roomid)?;
room.add_player(&state);
self.players.insert(state.id, roomid);
Ok(())
}
pub fn add_player(&mut self, playerid: &PlayerId) -> Result<()> {
let mut state = self.persistence
.load_player(playerid.clone())
.unwrap_or_else(|_err| // todo: what if player exists but can't be loaded for another reason?
PlayerState::new(playerid.clone())
);
if state.room == Some(purgatory::purgatory_id()){
state.respawn();
}
if let Err(_e) = self.add_loaded_player(state.clone()){
state.room = None;
state.pos = RoomPos::Unknown;
if let Err(_e) = self.add_loaded_player(state.clone()) {
state.room = Some(purgatory::purgatory_id());
self.add_loaded_player(state)?;
}
}
Ok(())
}
fn discorporate_player(&mut self, playerid: &PlayerId) -> Result<PlayerState> {
let roomid = self.players.remove(playerid).ok_or(aerr!("player not found"))?;
let room = self.get_room_mut(&roomid)?;
room.remove_player(playerid)
}
pub fn remove_player(&mut self, playerid: &PlayerId) -> Result<()> {
let player_state = self.discorporate_player(playerid)?;
self.persistence.save_player(playerid.clone(), player_state)?;
Ok(())
}
pub fn control_player(&mut self, player: PlayerId, control: Control) -> Result<()>{
let roomid = self.players.get(&player).ok_or(aerr!("player not found"))?.clone();
self.get_room_mut(&roomid)?.control_player(player, control);
Ok(())
}
fn migrate_player(&mut self, player: &PlayerId, destination: RoomId, roompos: RoomPos) -> Result<()> {
let mut state = self.discorporate_player(player)?;
let old_room = state.room;
state.room = Some(destination);
state.pos = roompos;
if let Err(_e) = self.add_loaded_player(state.clone()){
state.room = old_room;
state.pos = RoomPos::Unknown;
if let Err(_e) = self.add_loaded_player(state.clone()) {
state.room = None;
if let Err(_e) = self.add_loaded_player(state.clone()) {
state.room = Some(purgatory::purgatory_id());
self.add_loaded_player(state)?;
}
}
}
Ok(())
}
pub fn update(&mut self) {
self.migrate();
for room in self.rooms.values_mut() {
room.update(self.time);
}
self.time.0 += 1;
}
fn migrate(&mut self) {
let mut migrants = Vec::new();
for room in self.rooms.values_mut() {
migrants.append(&mut room.emigrate());
}
for (player, destination, roompos) in migrants {
self.migrate_player(&player, destination, roompos).unwrap();
}
}
pub fn save(&self) {
for room in self.rooms.values() {
if let Err(err) = self.persistence.save_room(room.id.clone(), room.save()) {
println!("{:?}",err);
}
for (playerid, state) in room.save_players() {
if let Err(err) = self.persistence.save_player(playerid.clone(), state.clone()) {
println!("{:?}",err);
}
}
}
}
pub fn view(&self) -> HashMap<PlayerId, WorldMessage> {
let mut views = HashMap::new();
for room in self.rooms.values() {
for (player, message) in room.view().into_iter() {
views.insert(player, message);
}
}
views
}
}
|
