reupload

src/main/java/com/loohp/limbo/world/Environment.java

@@ -0,0 +1,94 @@
+package com.loohp.limbo.world;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import com.loohp.limbo.utils.NamespacedKey;
+
+public class Environment {
+
+	public static final Environment NORMAL = new Environment(new NamespacedKey("minecraft:overworld"), true);
+	public static final Environment NETHER = new Environment(new NamespacedKey("minecraft:the_nether"), false);
+	public static final Environment END = new Environment(new NamespacedKey("minecraft:the_end"), false);
+	
+	public static final Set<Environment> REGISTERED_ENVIRONMENTS = new HashSet<>();
+
+	public static Environment fromNamespacedKey(NamespacedKey key) {
+		if (key.equals(NORMAL.getNamespacedKey())) {
+			return NORMAL;
+		} else if (key.equals(NETHER.getNamespacedKey())) {
+			return NETHER;
+		} else if (key.equals(END.getNamespacedKey())) {
+			return END;
+		}
+		return null;
+	}
+	
+	@Deprecated
+	public static Environment createCustom(NamespacedKey key) {
+		return createCustom(key, true);
+	}
+	
+	public static Environment createCustom(NamespacedKey key, boolean hasSkyLight) {
+		if (REGISTERED_ENVIRONMENTS.stream().anyMatch(each -> each.getNamespacedKey().equals(key))) {
+			throw new IllegalArgumentException("An Environment is already created with this NamespacedKey");
+		}
+		return new Environment(key, hasSkyLight);
+	}
+	
+	public static Environment getCustom(NamespacedKey key) {
+		return REGISTERED_ENVIRONMENTS.stream().filter(each -> each.getNamespacedKey().equals(key)).findFirst().orElse(null); 
+	}
+	
+	//=========================
+	
+	private NamespacedKey key;
+	private boolean hasSkyLight;
+	
+	private Environment(NamespacedKey key, boolean hasSkyLight) {
+		this.key = key;
+		this.hasSkyLight = hasSkyLight;
+	}
+	
+	public NamespacedKey getNamespacedKey() {
+		return key;
+	}
+	
+	public boolean hasSkyLight() {
+		return hasSkyLight;
+	}
+	
+	@Override
+	public int hashCode() {
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + (hasSkyLight ? 1231 : 1237);
+		result = prime * result + ((key == null) ? 0 : key.hashCode());
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj) {
+			return true;
+		}
+		if (obj == null) {
+			return false;
+		}
+		if (getClass() != obj.getClass()) {
+			return false;
+		}
+		Environment other = (Environment) obj;
+		if (hasSkyLight != other.hasSkyLight) {
+			return false;
+		}
+		if (key == null) {
+			if (other.key != null) {
+				return false;
+			}
+		} else if (!key.equals(other.key)) {
+			return false;
+		}
+		return true;
+	}
+}