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Fix terrain streaming and surface spawning

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This commit is contained in:
Master290 2026-07-21 11:11:19 +03:00
parent f0279cdb65
commit 2b07d6be20
17 changed files with 424 additions and 111 deletions
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63
internal/server/spawner.go
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@ -19,6 +19,7 @@ func (s *Server) StartSpawning(ctx context.Context) {
func (s *Server) entityTickLoop(ctx context.Context) {
ticker := time.NewTicker(50 * time.Millisecond) // 20 TPS
defer ticker.Stop()
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
for {
select {
case <-ctx.Done():
@ -55,9 +56,9 @@ func (s *Server) entityTickLoop(ctx context.Context) {
}
} else {
// Random wander
e.X += (rand.Float64() - 0.5) * 0.2
e.Z += (rand.Float64() - 0.5) * 0.2
e.Yaw += float32((rand.Float64() - 0.5) * 10.0)
e.X += (rng.Float64() - 0.5) * 0.2
e.Z += (rng.Float64() - 0.5) * 0.2
e.Yaw += float32((rng.Float64() - 0.5) * 10.0)
}
}
@ -73,6 +74,7 @@ func (s *Server) entityTickLoop(ctx context.Context) {
func (s *Server) mobSpawnLoop(ctx context.Context) {
ticker := time.NewTicker(2 * time.Second)
defer ticker.Stop()
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
pigType := registry.EntityTypeIndex("minecraft:pig")
zombieType := registry.EntityTypeIndex("minecraft:zombie")
@ -85,28 +87,41 @@ func (s *Server) mobSpawnLoop(ctx context.Context) {
case <-ctx.Done():
return
case <-ticker.C:
if s.PlayerCount() == 0 || s.entities.Count() >= 50 {
continue // limit to 50 entities
if s.PlayerCount() == 0 || s.entities.Count() >= 20 {
continue
}
// Spawn near the spawn point (8.5, 200, 8.5)
x := (rand.Float64() - 0.5) * 30.0
z := (rand.Float64() - 0.5) * 30.0
t := pigType
name := "minecraft:pig"
if rand.Float32() < 0.5 {
t = zombieType
name = "minecraft:zombie"
}
s.entities.Add(&world.Entity{
TypeID: t,
TypeName: name,
X: x + 8.5,
Y: 200.0,
Z: z + 8.5,
})
s.spawnMobNearPlayer(rng, pigType, zombieType)
}
}
}
func (s *Server) spawnMobNearPlayer(rng *rand.Rand, pigType, zombieType int) bool {
players := s.PlayerSnapshots()
if len(players) == 0 {
return false
}
player := players[rng.Intn(len(players))]
angle := rng.Float64() * 2 * math.Pi
distance := 16.0 + rng.Float64()*16.0
x := int(math.Floor(player.X + math.Cos(angle)*distance))
z := int(math.Floor(player.Z + math.Sin(angle)*distance))
y, ok := s.chunks.SafeSpawnY(x, z)
if !ok {
return false
}
typeID := pigType
typeName := "minecraft:pig"
if rng.Float32() < 0.5 {
typeID = zombieType
typeName = "minecraft:zombie"
}
s.entities.Add(&world.Entity{
TypeID: typeID,
TypeName: typeName,
X: float64(x) + 0.5,
Y: float64(y),
Z: float64(z) + 0.5,
})
return true
}