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Palette data structures now use generics for type checking

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This commit is contained in:
Tnze
2022-05-20 12:00:35 +08:00
parent 67afd62d58
commit 1ff25ae8ab
5 changed files with 125 additions and 137 deletions
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7
level/block/block.go
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@ -18,13 +18,14 @@ type Block interface {
//go:embed block_states.nbt
var blockStates []byte
var ToStateID map[Block]int
var ToStateID map[Block]StateID
var StateList []Block
// BitsPerBlock indicates how many bits are needed to represent all possible
// block states. This value is used to determine the size of the global palette.
var BitsPerBlock int
type StateID int
type State struct {
Name string
Properties nbt.RawMessage
@ -41,7 +42,7 @@ func init() {
if _, err = nbt.NewDecoder(z).Decode(&states); err != nil {
panic(err)
}
ToStateID = make(map[Block]int, len(states))
ToStateID = make(map[Block]StateID, len(states))
StateList = make([]Block, 0, len(states))
for _, state := range states {
block := FromID[state.Name]
@ -54,7 +55,7 @@ func init() {
if _, ok := ToStateID[block]; ok {
panic(fmt.Errorf("state %#v already exist", block))
}
ToStateID[block] = len(StateList)
ToStateID[block] = StateID(len(StateList))
StateList = append(StateList, block)
}
BitsPerBlock = bits.Len(uint(len(StateList)))