forked from Tnze/go-mc
-
Notifications
You must be signed in to change notification settings - Fork 1
/
chunks.go
72 lines (64 loc) · 1.96 KB
/
chunks.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
package world
import (
"errors"
"github.com/maxsupermanhd/go-vmc/v764/bot"
"github.com/maxsupermanhd/go-vmc/v764/bot/basic"
"github.com/maxsupermanhd/go-vmc/v764/data/packetid"
"github.com/maxsupermanhd/go-vmc/v764/level"
pk "github.com/maxsupermanhd/go-vmc/v764/net/packet"
)
type World struct {
c *bot.Client
p *basic.Player
events EventsListener
Columns map[level.ChunkPos]*level.Chunk
}
func NewWorld(c *bot.Client, p *basic.Player, events EventsListener) (w *World) {
w = &World{
c: c, p: p,
events: events,
Columns: make(map[level.ChunkPos]*level.Chunk),
}
c.Events.AddListener(
bot.PacketHandler{Priority: 64, ID: packetid.ClientboundLogin, F: w.onPlayerSpawn},
bot.PacketHandler{Priority: 64, ID: packetid.ClientboundRespawn, F: w.onPlayerSpawn},
bot.PacketHandler{Priority: 0, ID: packetid.ClientboundLevelChunkWithLight, F: w.handleLevelChunkWithLightPacket},
bot.PacketHandler{Priority: 0, ID: packetid.ClientboundForgetLevelChunk, F: w.handleForgetLevelChunkPacket},
)
return
}
func (w *World) onPlayerSpawn(pk.Packet) error {
// unload all chunks
w.Columns = make(map[level.ChunkPos]*level.Chunk)
return nil
}
func (w *World) handleLevelChunkWithLightPacket(packet pk.Packet) error {
var pos level.ChunkPos
_, currentDimType := w.c.ConfigData.Registries.DimensionType.Find(w.p.DimensionType)
if currentDimType == nil {
return errors.New("dimension type " + w.p.DimensionType + " not found")
}
chunk := level.EmptyChunk(int(currentDimType.Height) / 16)
if err := packet.Scan(&pos, chunk); err != nil {
return err
}
w.Columns[pos] = chunk
if w.events.LoadChunk != nil {
if err := w.events.LoadChunk(pos); err != nil {
return err
}
}
return nil
}
func (w *World) handleForgetLevelChunkPacket(packet pk.Packet) error {
var pos level.ChunkPos
if err := packet.Scan(&pos); err != nil {
return err
}
var err error
if w.events.UnloadChunk != nil {
err = w.events.UnloadChunk(pos)
}
delete(w.Columns, pos)
return err
}