spatial-db/world/world_position.go
2023-12-11 00:23:53 -08:00

63 lines
1.0 KiB
Go

package world
import (
"fmt"
"math/rand"
)
type BlockPos struct {
X int `json:"x"`
Y uint `json:"y"`
Z int `json:"z"`
}
func (b BlockPos) String() string {
return fmt.Sprintf("BlockPos { X: %v, Y: %v, Z: %v }", b.X, b.Y, b.Z)
}
func RandomBlockPosWithRange(maxRange float64) BlockPos {
return BlockPos{
X: int(rand.NormFloat64() * maxRange),
Y: uint(rand.NormFloat64() * maxRange),
Z: int(rand.NormFloat64() * maxRange),
}
}
func (b BlockPos) ToChunkPos() ChunkPos {
return ChunkPos{
X: b.X / 16,
Z: b.Z / 16,
}
}
type ChunkPos struct {
X int `json:"x"`
Z int `json:"z"`
}
func (cp ChunkPos) ToFileName() string {
return fmt.Sprintf("p.%d.%d.chunk", cp.X, cp.Z)
}
func (cp ChunkPos) StringCoords() string {
return fmt.Sprintf("%d, %d", cp.X, cp.Z)
}
type BlockID uint8
const (
Empty BlockID = iota
Generic
)
func (id BlockID) String() string {
switch id {
case Empty:
return "Empty"
case Generic:
return "Generic"
default:
panic(fmt.Sprintf("Unknown block id: %v", uint8(id)))
}
}