重构 BiomesState, fix typo

level/biome/list.go

@@ -1,83 +1,102 @@
 package biome
 
-import "math/bits"
+import (
+	"errors"
+	"math/bits"
+)
 
 type Type int
 
+func (t Type) MarshalText() (text []byte, err error) {
+	if t >= 0 && int(t) < len(biomesNames) {
+		return []byte(biomesNames[t]), nil
+	}
+	return nil, errors.New("invalid type")
+}
+
+func (t *Type) UnmarshalText(text []byte) error {
+	var ok bool
+	*t, ok = biomesIDs[string(text)]
+	if ok {
+		return nil
+	}
+	return errors.New("unknown type")
+}
+
 var (
 	BitsPerBiome int
-	BiomesIDs    map[string]Type
-	BiomesNames  = []string{
-		"the_void",
-		"plains",
-		"sunflower_plains",
-		"snowy_plains",
-		"ice_spikes",
-		"desert",
-		"swamp",
-		"mangrove_swamp",
-		"forest",
-		"flower_forest",
-		"birch_forest",
-		"dark_forest",
-		"old_growth_birch_forest",
-		"old_growth_pine_taiga",
-		"old_growth_spruce_taiga",
-		"taiga",
-		"snowy_taiga",
-		"savanna",
-		"savanna_plateau",
-		"windswept_hills",
-		"windswept_gravelly_hills",
-		"windswept_forest",
-		"windswept_savanna",
-		"jungle",
-		"sparse_jungle",
-		"bamboo_jungle",
-		"badlands",
-		"eroded_badlands",
-		"wooded_badlands",
-		"meadow",
-		"grove",
-		"snowy_slopes",
-		"frozen_peaks",
-		"jagged_peaks",
-		"stony_peaks",
-		"river",
-		"frozen_river",
-		"beach",
-		"snowy_beach",
-		"stony_shore",
-		"warm_ocean",
-		"lukewarm_ocean",
-		"deep_lukewarm_ocean",
-		"ocean",
-		"deep_ocean",
-		"cold_ocean",
-		"deep_cold_ocean",
-		"frozen_ocean",
-		"deep_frozen_ocean",
-		"mushroom_fields",
-		"dripstone_caves",
-		"lush_caves",
-		"deep_dark",
-		"nether_wastes",
-		"warped_forest",
-		"crimson_forest",
-		"soul_sand_valley",
-		"basalt_deltas",
-		"the_end",
-		"end_highlands",
-		"end_midlands",
-		"small_end_islands",
-		"end_barrens",
+	biomesIDs    map[string]Type
+	biomesNames  = []string{
+		"minecraft:the_void",
+		"minecraft:plains",
+		"minecraft:sunflower_plains",
+		"minecraft:snowy_plains",
+		"minecraft:ice_spikes",
+		"minecraft:desert",
+		"minecraft:swamp",
+		"minecraft:mangrove_swamp",
+		"minecraft:forest",
+		"minecraft:flower_forest",
+		"minecraft:birch_forest",
+		"minecraft:dark_forest",
+		"minecraft:old_growth_birch_forest",
+		"minecraft:old_growth_pine_taiga",
+		"minecraft:old_growth_spruce_taiga",
+		"minecraft:taiga",
+		"minecraft:snowy_taiga",
+		"minecraft:savanna",
+		"minecraft:savanna_plateau",
+		"minecraft:windswept_hills",
+		"minecraft:windswept_gravelly_hills",
+		"minecraft:windswept_forest",
+		"minecraft:windswept_savanna",
+		"minecraft:jungle",
+		"minecraft:sparse_jungle",
+		"minecraft:bamboo_jungle",
+		"minecraft:badlands",
+		"minecraft:eroded_badlands",
+		"minecraft:wooded_badlands",
+		"minecraft:meadow",
+		"minecraft:grove",
+		"minecraft:snowy_slopes",
+		"minecraft:frozen_peaks",
+		"minecraft:jagged_peaks",
+		"minecraft:stony_peaks",
+		"minecraft:river",
+		"minecraft:frozen_river",
+		"minecraft:beach",
+		"minecraft:snowy_beach",
+		"minecraft:stony_shore",
+		"minecraft:warm_ocean",
+		"minecraft:lukewarm_ocean",
+		"minecraft:deep_lukewarm_ocean",
+		"minecraft:ocean",
+		"minecraft:deep_ocean",
+		"minecraft:cold_ocean",
+		"minecraft:deep_cold_ocean",
+		"minecraft:frozen_ocean",
+		"minecraft:deep_frozen_ocean",
+		"minecraft:mushroom_fields",
+		"minecraft:dripstone_caves",
+		"minecraft:lush_caves",
+		"minecraft:deep_dark",
+		"minecraft:nether_wastes",
+		"minecraft:warped_forest",
+		"minecraft:crimson_forest",
+		"minecraft:soul_sand_valley",
+		"minecraft:basalt_deltas",
+		"minecraft:the_end",
+		"minecraft:end_highlands",
+		"minecraft:end_midlands",
+		"minecraft:small_end_islands",
+		"minecraft:end_barrens",
 	}
 )
 
 func init() {
-	BitsPerBiome = bits.Len(uint(len(BiomesNames)))
-	BiomesIDs = make(map[string]Type, len(BiomesNames))
-	for i, v := range BiomesNames {
-		BiomesIDs[v] = Type(i)
+	BitsPerBiome = bits.Len(uint(len(biomesNames)))
+	biomesIDs = make(map[string]Type, len(biomesNames))
+	for i, v := range biomesNames {
+		biomesIDs[v] = Type(i)
 	}
 }