/
rooms.go
279 lines (258 loc) · 7.16 KB
/
rooms.go
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
/*
players.go contains Room types and funcs,
along with an RoomManager type which
provides room-related functions for ThingManager
Room implements the Thing interface.
RoomManager is a ThingManager
*/
package main
import (
"bytes"
"fmt"
)
type Room struct {
id identifier
name string
Description string
Exits map[Direction]identifier
Players map[identifier]bool
Items map[identifier]PlayerItemType
}
func (r *Room) Id() identifier {
return r.id
}
func (r *Room) SetId(newId identifier) {
r.id = newId
}
func (r *Room) Name() string {
return r.name
}
func (r Room) PrintDirections() string {
var buffer bytes.Buffer
buffer.WriteString(Brown)
if len(r.Exits) == 0 {
buffer.WriteString("You see no exits.")
} else {
buffer.WriteString("You see exits leading ")
writeComma := false
/// @todo print "and" before the last direction."
/// @todo print "a single exit" for single exit Rooms
for d := range r.Exits {
if writeComma {
buffer.WriteString(", ")
}
buffer.WriteString(d.String())
writeComma = true
}
buffer.WriteString(".")
}
buffer.WriteString(Reset)
return buffer.String()
}
func (r Room) Print(world *World, playerName string) string {
var buffer bytes.Buffer
buffer.WriteString(Red)
buffer.WriteString(r.name)
buffer.WriteString("\r\n")
buffer.WriteString(Green)
if r.Description != "" {
buffer.WriteString(r.Description)
} else {
const noDescriptionString = "The Room seems to shimmer, as though it might fade from existence."
buffer.WriteString(noDescriptionString)
}
buffer.WriteString("\r\n")
buffer.WriteString(r.printItems(world))
buffer.WriteString(r.printPlayers(world, playerName))
buffer.WriteString(r.PrintDirections())
buffer.WriteString(Reset)
return buffer.String()
}
// print sans description
func (r Room) PrintBrief(world *World, playerName string) string {
var buffer bytes.Buffer
buffer.WriteString(Red)
buffer.WriteString(r.name)
buffer.WriteString("\r\n")
buffer.WriteString(r.printItems(world))
buffer.WriteString(r.printPlayers(world, playerName))
buffer.WriteString(r.PrintDirections())
buffer.WriteString(Reset)
return buffer.String()
}
func (r Room) printItems(world *World) string {
var buffer bytes.Buffer
buffer.WriteString(Blue)
buffer.WriteString("You see ")
var items []string
for id, itemType := range r.Items {
switch itemType {
case piItem:
it, exists := world.items.GetById(id)
if !exists {
continue
}
items = append(items, it.Brief())
case piNpc:
it, exists := world.npcs.GetById(id)
if !exists {
continue
}
items = append(items, it.Brief)
default:
fmt.Println("room.printItems got invalid item type '" + id.String() + "'")
continue
}
}
if len(items) == 0 {
return ""
}
if len(items) == 1 {
buffer.WriteString(items[0])
buffer.WriteString(" here.\r\n")
buffer.WriteString(Reset)
return buffer.String()
}
if len(items) == 2 {
buffer.WriteString(items[0])
buffer.WriteString(" and ")
buffer.WriteString(items[1])
buffer.WriteString(" here.\r\n")
buffer.WriteString(Reset)
return buffer.String()
}
lastItem := items[len(items)-1]
items = items[0 : len(items)-1]
for _, item := range items {
buffer.WriteString(item)
buffer.WriteString(", ")
}
buffer.WriteString("and ")
buffer.WriteString(lastItem)
buffer.WriteString(" here.\r\n")
buffer.WriteString(Reset)
return buffer.String()
}
func (r Room) printPlayers(world *World, currentPlayerName string) string {
var buffer bytes.Buffer
buffer.WriteString(Darkcyan)
currentPlayer, ok := world.players.GetByName(currentPlayerName)
if !ok {
fmt.Println("Room.printPlayers failed '" + r.id.String() + "'")
return ""
}
var players []string
for playerId, _ := range r.Players {
if playerId == currentPlayer.Id() {
continue
}
player, ok := world.players.GetById(playerId)
if !ok {
continue
}
players = append(players, player.Name())
}
if len(players) == 0 {
return ""
}
if len(players) == 1 {
buffer.WriteString(ToProper(players[0]))
buffer.WriteString(" is here.\r\n")
buffer.WriteString(Reset)
return buffer.String()
}
if len(players) == 2 {
buffer.WriteString(ToProper(players[0]))
buffer.WriteString(" and ")
buffer.WriteString(players[1])
buffer.WriteString(" are here.\r\n")
buffer.WriteString(Reset)
return buffer.String()
}
lastPlayer := players[len(players)-1]
players = players[0 : len(players)-1]
for _, player := range players {
buffer.WriteString(ToProper(player))
buffer.WriteString(", ")
}
buffer.WriteString("and ")
buffer.WriteString(ToProper(lastPlayer))
buffer.WriteString(" are here.\r\n")
buffer.WriteString(Reset)
return buffer.String()
}
/// @todo ? make this a member of roomManager
func (r *Room) NewRoom(manager *RoomManager, d Direction, newName string, newDesc string) {
newRoom := Room{
name: newName,
Description: newDesc,
Exits: make(map[Direction]identifier),
Players: make(map[identifier]bool),
Items: make(map[identifier]PlayerItemType),
}
newRoom.Exits[d.reverse()] = r.id
newRoomId := ThingManager(*manager).Add(&newRoom)
accessor := ThingManager(*manager).GetThingAccessor(r.Id())
ok := accessor.ThingSetter.Set(func(r *Thing) {
(*r).(*Room).Exits[d] = newRoomId
})
if !ok {
fmt.Println("Room.NewRoom set failed '" + r.id.String() + "'")
}
}
func (r Room) Write(message string, playerManager PlayerManager, originator string) {
for pid, _ := range r.Players {
player, exists := playerManager.GetById(pid)
if !exists {
fmt.Println("Room.Write got nonexistent player '" + pid.String() + "'")
continue
}
if player.Name() == originator {
continue
}
player.Write(message)
}
}
type RoomManager ThingManager
/// @todo remove this, after changing things which call it to store Accessors rather than IDs
/// @todo change this to return an error object with an err string, rather than printing the err and returning bool
func (m RoomManager) GetById(id identifier) (*Room, bool) {
accessor := ThingManager(m).GetThingAccessor(id)
if accessor.ThingGetter == nil {
fmt.Println("RoomManager.GetById error: ThingGetter nil " + id.String())
return &Room{}, false
}
thing, ok := <-accessor.ThingGetter
if !ok {
fmt.Println("RoomManager.GetById error: room ThingGetter closed " + id.String())
return &Room{}, false
}
room, ok := thing.(*Room)
if !ok {
fmt.Println("RoomManager.GetById error: room accessor returned non-room " + id.String())
return &Room{}, false
}
return room, ok
}
/// @todo change this to return an error object with an err string, rather than printing the err and returning bool
func (m RoomManager) ChangeById(id identifier, modify func(r *Room)) bool {
accessor := ThingManager(m).GetThingAccessor(id)
if accessor.ThingGetter == nil {
fmt.Println("RoomManager.ChangeById error: ThingGetter nil " + id.String())
return false
}
setMsg, ok := <-accessor.ThingSetter
if !ok {
fmt.Println("RoomManager.ChangeById error: room ThingGetter closed " + id.String())
return false
}
setMsg.chainTime <- NotChaining
room, ok := setMsg.it.(*Room)
if !ok {
fmt.Println("RoomManager.ChangeById error: room accessor returned non-room " + id.String())
return false
}
modify(room)
setMsg.set <- room
return true
}