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package server
import (
"io"
"os"
"fmt"
"regexp"
"git.citrons.xyz/metronode/phony"
"git.citrons.xyz/metronode/classic"
)
type player struct {
phony.Inbox
state playerState
client *client
server *Server
name string
level *level
}
type playerState struct {
LevelId levelId
Pos entityPos
Facing entityFacing
}
var playerNameRegex = regexp.MustCompile("^[.-_a-zA-Z0-9]*$")
func newPlayer(s *Server, cl *client, name string) *player {
pl := &player {client: cl, server: s, name: name}
loadDataFile(pl, "player/" + name, func(state playerState, ok bool) {
if ok {
pl.state = state
pl.ChangeLevel(pl, state.LevelId, state.Pos)
} else {
s.SendToSpawn(pl, pl)
}
})
return pl
}
func (p *player) save(done func()) {
os.Mkdir("world/player", 0777)
saveDataFile(p, "player/" + p.name, p.state)
if done != nil {
dataManager.Act(nil, done)
}
}
func (p *player) kick(reason string) {
p.save(nil)
p.client.Disconnect(p, reason)
if p.level != nil {
p.level.OnRemovePlayer(p)
p.level = nil
}
}
func (p *player) handlePacket(packet classic.Packet) {
if p.level == nil {
return
}
switch pck := packet.(type) {
case *classic.SetPosFacing:
p.state.Pos = entityPos {
entityCoord(pck.X), entityCoord(pck.Y), entityCoord(pck.Z),
}
p.state.Facing = entityFacing {pck.Yaw, pck.Pitch}
p.level.OnMovePlayer(p, p.state.Pos, p.state.Facing)
case *classic.ClientSetBlock:
block := blockType(pck.Block)
if pck.Mode == classic.BlockDestroyed {
block = 0
}
pos := blockPos {
blockCoord(pck.X),
blockCoord(pck.Y),
blockCoord(pck.Z),
}
p.level.SetBlock(p, pos, block)
case *classic.Message:
p.server.OnPlayerMessage(p, p.name, classic.UnpadString(pck.Message))
}
}
func (p *player) Save(from phony.Actor, done func()) {
p.Act(from, func() {
p.save(func() {
if done != nil {
from.Act(nil, done)
}
})
})
}
func (p *player) Kick(from phony.Actor, reason string) {
p.Act(from, func() {
p.kick(reason)
})
}
func (p *player) OnPacket(from phony.Actor, packet classic.Packet) {
p.Act(from, func() {
p.handlePacket(packet)
})
}
func (p *player) joinLevel(id levelId, lvl *level, pos entityPos) {
lvl.OnAddPlayer(p, p.name, pos)
p.level = lvl
p.state.LevelId = id
p.state.Pos = pos
}
func (p *player) ChangeLevel(from phony.Actor, lvl levelId, pos entityPos) {
p.Act(from, func() {
if p.level != nil {
p.level.OnRemovePlayer(p)
}
p.server.GetLevel(p, lvl, func(l *level) {
p.joinLevel(lvl, l, pos)
})
})
}
func (p *player) MovePlayer(
from phony.Actor, pos entityPos, facing entityFacing) {
p.Act(from, func() {
p.level.OnMovePlayer(p, pos, facing)
})
}
func (p *player) GetInfo(from phony.Actor,
reply func(name string, state playerState)) {
p.Act(from, func() {
name := p.name
state := p.state
from.Act(nil, func() {reply(name, state)})
})
}
func (p *player) SendMessage(from phony.Actor, message string) {
p.Act(from, func() {
p.client.SendPackets(p, processChatMessage(message))
})
}
func (p *player) OnPlayerMessage(from *Server, name string, message string) {
p.SendMessage(from, fmt.Sprintf("&7<&b%s&7>&f %s", name, message))
}
func (p *player) OnLevelData(from *level, info levelInfo, data io.ReadCloser) {
p.Act(from, func() {
defer data.Close()
if from != p.level {
return
}
var packets []classic.Packet
for {
var packet classic.LevelDataChunk
n, err := io.ReadFull(data, packet.Data[:])
if err == io.EOF || err == io.ErrUnexpectedEOF {
if n == 0 {
break
}
} else if err != nil {
panic(err)
}
packet.Length = int16(n)
packets = append(packets, &packet)
}
for i := 0; i < len(packets); i++ {
chunk := packets[i].(*classic.LevelDataChunk)
chunk.PercentComplete = byte(i * 100 / len(packets))
}
p.client.SendPackets(p, packets)
p.client.SendPacket(p, &classic.LevelFinalize {
Width: int16(info.Size.X),
Height: int16(info.Size.Y),
Length: int16(info.Size.Z),
})
p.client.SendPacket(p, &classic.SpawnPlayer {
PlayerId: -1,
Username: classic.PadString(p.name),
X: classic.FShort(p.state.Pos.X),
Y: classic.FShort(p.state.Pos.Y),
Z: classic.FShort(p.state.Pos.Z),
Yaw: p.state.Facing.Yaw,
Pitch: p.state.Facing.Pitch,
})
})
}
func (p *player) OnLevelError(from *level, message string, info levelInfo) {
p.SendMessage(from, "&cCannot join level: " + message)
if !info.IsSpawn {
p.Act(from, func() {
p.server.SendToSpawn(p, p)
})
} else {
p.Kick(from, "Error: " + message)
}
}
func (p *player) OnPlayer(
from *level, id levelPlayerId, name string, pos entityPos) {
p.Act(from, func() {
p.client.SendPacket(p, &classic.SpawnPlayer {
PlayerId: int8(id),
Username: classic.PadString(name),
X: classic.FShort(pos.X),
Y: classic.FShort(pos.Y),
Z: classic.FShort(pos.Z),
})
})
}
func (p *player) OnRemovePlayer(from *level, id levelPlayerId) {
p.Act(from, func() {
p.client.SendPacket(p, &classic.DespawnPlayer {int8(id)})
})
}
func (p *player) OnMovePlayer(
from *level, id levelPlayerId, pos entityPos, facing entityFacing) {
p.Act(from, func() {
p.client.SendPacket(p, &classic.SetPosFacing {
PlayerId: int8(id),
X: classic.FShort(pos.X),
Y: classic.FShort(pos.Y),
Z: classic.FShort(pos.Z),
Yaw: facing.Yaw, Pitch: facing.Pitch,
})
})
}
func (p *player) OnSetBlock(from *level, pos blockPos, block blockType) {
p.client.SendPacket(p, &classic.SetBlock {
X: int16(pos.X),
Y: int16(pos.Y),
Z: int16(pos.Z),
Block: byte(block),
})
}
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