bloeys/nmage
1
0
Fork 0
mirror of https://github.com/bloeys/nmage.git synced 2025-12-29 13:28:20 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add Init,Update,Destroy to Comp+HasComp,DestroyComp funcs

Browse Source
This commit is contained in:
bloeys
2022-12-06 06:07:49 +04:00
parent 84cd8c28c8
commit b025afe1b4
6 changed files with 73 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
entity/entity.go
View File

@ -13,29 +13,31 @@ const (
IndexBitMask = 0x00_00_FFFF_FFFF_FFFF
)
type EntityHandle uint64
type Entity struct {
// Byte 1: Generation; Byte 2: Flags; Bytes 3-8: Index
ID uint64
ID EntityHandle
Comps []Comp
}
func GetGeneration(id uint64) byte {
func GetGeneration(id EntityHandle) byte {
return byte(id >> GenerationShiftBits)
}
func GetFlags(id uint64) EntityFlag {
func GetFlags(id EntityHandle) EntityFlag {
return EntityFlag(id >> FlagsShiftBits)
}
func GetIndex(id uint64) uint64 {
return id & IndexBitMask
func GetIndex(id EntityHandle) uint64 {
return uint64(id & IndexBitMask)
}
func (e *Entity) HasFlag(ef EntityFlag) bool {
return GetFlags(e.ID)&ef > 0
}
func NewEntityId(generation byte, flags EntityFlag, index uint64) uint64 {
return index | (uint64(generation) << GenerationShiftBits) | (uint64(flags) << FlagsShiftBits)
func NewEntityId(generation byte, flags EntityFlag, index uint64) EntityHandle {
return EntityHandle(index | (uint64(generation) << GenerationShiftBits) | (uint64(flags) << FlagsShiftBits))
}