mirrors/Terra
1
0
Fork 0
mirror of https://github.com/PolyhedralDev/Terra.git synced 2026-02-16 02:20:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

update most things to use new maybe and either

Browse Source
This commit is contained in:
dfsek
2025-12-29 18:59:57 -07:00
parent d52cd0d7cf
commit 16705057e0
11 changed files with 155 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
common/addons/biome-provider-extrusion/src/main/java/com/dfsek/terra/addons/biome/extrusion/BiomeExtrusionProvider.java
View File

@@ -9,6 +9,7 @@ import com.dfsek.terra.addons.biome.extrusion.api.Extrusion;
import com.dfsek.terra.addons.biome.extrusion.utils.ExtrusionPipeline;
import com.dfsek.terra.addons.biome.extrusion.utils.ExtrusionPipelineFactory;
import com.dfsek.terra.api.util.Column;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import com.dfsek.terra.api.world.biome.Biome;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
@@ -39,11 +40,11 @@ public class BiomeExtrusionProvider implements BiomeProvider {
public Column<Biome> getColumn(int x, int z, long seed, int min, int max) {
return delegate.getBaseBiome(x, z, seed)
.map(base -> (Column<Biome>) new BaseBiomeColumn(this, base, min, max, x, z, seed))
.orElseGet(() -> BiomeProvider.super.getColumn(x, z, seed, min, max));
.get(() -> BiomeProvider.super.getColumn(x, z, seed, min, max));
}
@Override
public Optional<Biome> getBaseBiome(int x, int z, long seed) {
public Maybe<Biome> getBaseBiome(int x, int z, long seed) {
return delegate.getBaseBiome(x, z, seed);
}

5
common/addons/biome-provider-image/src/main/java/com/dfsek/terra/addons/biome/image/ImageBiomeProvider.java
View File

@@ -11,6 +11,7 @@ import java.util.Optional;
import com.dfsek.terra.addons.image.colorsampler.ColorSampler;
import com.dfsek.terra.addons.image.converter.ColorConverter;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import com.dfsek.terra.api.world.biome.Biome;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
@@ -40,8 +41,8 @@ public class ImageBiomeProvider implements BiomeProvider {
}
@Override
public Optional<Biome> getBaseBiome(int x, int z, long seed) {
return Optional.of(getBiome(x, z));
public Maybe<Biome> getBaseBiome(int x, int z, long seed) {
return Maybe.just(getBiome(x, z));
}
@Override

7
common/addons/biome-provider-pipeline/src/main/java/com/dfsek/terra/addons/biome/pipeline/PipelineBiomeProvider.java
View File

@@ -8,6 +8,9 @@
package com.dfsek.terra.addons.biome.pipeline;
import com.dfsek.seismic.type.sampler.Sampler;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
@@ -106,8 +109,8 @@ public class PipelineBiomeProvider implements BiomeProvider {
}
@Override
public Optional<Biome> getBaseBiome(int x, int z, long seed) {
return Optional.of(getBiome(x, z, seed));
public Maybe<Biome> getBaseBiome(int x, int z, long seed) {
return Maybe.just(getBiome(x, z, seed));
}
@Override

13
common/addons/biome-provider-single/src/main/java/com/dfsek/terra/addons/biome/single/SingleBiomeProvider.java
View File

@@ -8,18 +8,13 @@
package com.dfsek.terra.addons.biome.single;
import java.util.Collections;
import java.util.Optional;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import com.dfsek.terra.api.world.biome.Biome;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
public class SingleBiomeProvider implements BiomeProvider {
private final Biome biome;
public SingleBiomeProvider(Biome biome) {
this.biome = biome;
}
public record SingleBiomeProvider(Biome biome) implements BiomeProvider {
@Override
public Biome getBiome(int x, int y, int z, long seed) {
@@ -27,8 +22,8 @@ public class SingleBiomeProvider implements BiomeProvider {
}
@Override
public Optional<Biome> getBaseBiome(int x, int z, long seed) {
return Optional.of(biome);
public Maybe<Biome> getBaseBiome(int x, int z, long seed) {
return Maybe.just(biome);
}
@Override

2
common/addons/chunk-generator-noise-3d/src/main/java/com/dfsek/terra/addons/chunkgenerator/generation/math/interpolation/ElevationInterpolator.java
View File

@@ -30,7 +30,7 @@ public class ElevationInterpolator {
gens[x + 1 + smooth][z + 1 + smooth] =
provider
.getBaseBiome(bx, bz, seed)
.orElseGet(() -> provider.getBiome(bx, 0, bz, seed)) // kind of a hack
.get(() -> provider.getBiome(bx, 0, bz, seed)) // kind of a hack
.getContext()
.get(noisePropertiesKey);
}

46
common/addons/command-locate/src/main/java/com/dfsek/terra/addons/commands/locate/BiomeLocator.java
View File

@@ -2,10 +2,13 @@ package com.dfsek.terra.addons.commands.locate;
import com.dfsek.seismic.type.vector.Vector2Int;
import com.dfsek.seismic.type.vector.Vector3Int;
import com.dfsek.terra.api.util.generic.data.types.Either;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import com.dfsek.terra.api.world.biome.Biome;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
import com.dfsek.terra.api.world.info.WorldProperties;
import org.jetbrains.annotations.NotNull;
import java.util.Optional;
@@ -14,6 +17,7 @@ import java.util.function.Predicate;
import java.util.stream.IntStream;
import java.util.stream.Stream;
public class BiomeLocator {
/**
@@ -27,9 +31,10 @@ public class BiomeLocator {
* @param step The search step/increment. Higher values are faster but less accurate.
* @param filter The condition to match the biome.
* @param search3D If true, searches the entire vertical column at each step. If false, only checks originY.
*
* @return An Optional containing the location of the found biome, or empty if not found.
*/
public static Optional<Either<Vector3Int, Vector2Int>> search(
public static Maybe<Either<Vector3Int, Vector2Int>> search(
@NotNull BiomeProvider provider,
@NotNull WorldProperties properties,
int originX,
@@ -44,15 +49,14 @@ public class BiomeLocator {
int maxHeight = properties.getMaxHeight();
// 1. Check the exact center first
Optional<Either<Vector3Int, Vector2Int>> centerResult = check(provider, seed, originX, originZ, step, filter, search3D, minHeight, maxHeight);
if (centerResult.isPresent()) {
return centerResult;
}
return
check(provider, seed, originX, originZ, step, filter, search3D, minHeight, maxHeight)
// 2. Begin Parallel Square Spiral Search
// We iterate rings sequentially to guarantee finding the *nearest* result.
// However, we process all points within a specific ring in parallel.
for (int r = step; r <= radius; r += step) {
.or(() -> {
for(int r = step; r <= radius; r += step) {
final int currentRadius = r;
final int minX = -currentRadius;
final int maxX = currentRadius;
@@ -60,16 +64,16 @@ public class BiomeLocator {
final int maxZ = currentRadius;
Stream<int[]> northSide = IntStream.iterate(minX, n -> n < maxX, n -> n + step)
.mapToObj(x -> new int[]{x, minZ}); // Fixed Z (min), varying X
.mapToObj(x -> new int[]{ x, minZ }); // Fixed Z (min), varying X
Stream<int[]> eastSide = IntStream.iterate(minZ, n -> n < maxZ, n -> n + step)
.mapToObj(z -> new int[]{maxX, z}); // Fixed X (max), varying Z
.mapToObj(z -> new int[]{ maxX, z }); // Fixed X (max), varying Z
Stream<int[]> southSide = IntStream.iterate(maxX, n -> n > minX, n -> n - step)
.mapToObj(x -> new int[]{x, maxZ}); // Fixed Z (max), varying X
.mapToObj(x -> new int[]{ x, maxZ }); // Fixed Z (max), varying X
Stream<int[]> westSide = IntStream.iterate(maxZ, n -> n > minZ, n -> n - step)
.mapToObj(z -> new int[]{minX, z}); // Fixed X (min), varying Z
.mapToObj(z -> new int[]{ minX, z }); // Fixed X (min), varying Z
Optional<Either<Vector3Int, Vector2Int>> ringResult = Stream.of(northSide, eastSide, southSide, westSide)
.flatMap(Function.identity())
@@ -85,23 +89,23 @@ public class BiomeLocator {
minHeight,
maxHeight
))
.filter(Optional::isPresent)
.map(Optional::get)
.flatMap(Maybe::toStream)
.findFirst(); // findFirst() respects encounter order (North -> East -> South -> West)
if (ringResult.isPresent()) {
return ringResult;
if(ringResult.isPresent()) {
return Maybe.fromOptional(ringResult);
}
}
return Maybe.nothing();
});
return Optional.empty();
}
/**
* Helper to check a specific coordinate column or point.
* This logic is executed inside the worker threads.
*/
private static Optional<Either<Vector3Int, Vector2Int>> check(
private static Maybe<Either<Vector3Int, Vector2Int>> check(
BiomeProvider provider,
long seed,
int x,
@@ -112,14 +116,14 @@ public class BiomeLocator {
int minHeight,
int maxHeight
) {
if (search3D) {
if(search3D) {
// Iterate from bottom to top of the world using the step
for (int y = minHeight; y < maxHeight; y += step) {
if (filter.test(provider.getBiome(x, y, z, seed))) {
return Optional.of(Either.left(Vector3Int.of(x, y, z)));
for(int y = minHeight; y < maxHeight; y += step) {
if(filter.test(provider.getBiome(x, y, z, seed))) {
return Maybe.just(Either.left(Vector3Int.of(x, y, z)));
}
}
return Optional.empty();
return Maybe.nothing();
} else {
// 2D Mode: Check only the base biome
// We use a flatMap approach here to be safe with Optionals inside the stream

31
common/addons/command-locate/src/main/java/com/dfsek/terra/addons/commands/locate/LocateCommandAddon.java
View File

@@ -3,6 +3,10 @@ package com.dfsek.terra.addons.commands.locate;
import com.dfsek.seismic.type.vector.Vector2Int;
import com.dfsek.seismic.type.vector.Vector3Int;
import com.dfsek.terra.api.util.function.FunctionUtils;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import org.incendo.cloud.CommandManager;
import org.incendo.cloud.component.DefaultValue;
import org.incendo.cloud.context.CommandContext;
@@ -26,6 +30,8 @@ import com.dfsek.terra.api.util.reflection.TypeKey;
import com.dfsek.terra.api.world.World;
import com.dfsek.terra.api.world.biome.Biome;
import static com.dfsek.terra.api.util.function.FunctionUtils.collapse;
public class LocateCommandAddon implements AddonInitializer {
@Inject
@@ -83,7 +89,7 @@ public class LocateCommandAddon implements AddonInitializer {
context.sender().sendMessage(
"Searching for " + targetBiome.getID() + " within " + radius + " blocks" + modeMsg + "...");
Optional<Either<Vector3Int, Vector2Int>> result;
Maybe<Either<Vector3Int, Vector2Int>> result;
// 3. Execute Search Loop
while(true) {
@@ -100,7 +106,7 @@ public class LocateCommandAddon implements AddonInitializer {
// Exit Conditions:
// 1. Found a result
if(result.isPresent()) {
if(result.isJust()) {
break;
}
// 2. Not in auto mode (only run once)
@@ -118,22 +124,11 @@ public class LocateCommandAddon implements AddonInitializer {
}
// 4. Handle Result
if(result.isPresent()) {
Either<Vector3Int, Vector2Int> location = result.get();
String coords;
if(location.hasLeft()) { // 3D Result
Vector3Int vec = location.getLeft().get();
coords = String.format("%d, %d, %d", vec.getX(), vec.getY(), vec.getZ());
} else { // 2D Result
Vector2Int vec = location.getRight().get();
coords = String.format("%d, ~, %d", vec.getX(), vec.getZ());
}
context.sender().sendMessage("Found " + targetBiome.getID() + " at [" + coords + "]");
} else {
context.sender().sendMessage("Could not find " + targetBiome.getID() + " within " + radius + " blocks.");
}
context.sender().sendMessage(collapse(result.map(location -> location.collect(
left -> String.format("%d, %d, %d", left.getX(), left.getY(), left.getZ()),
right -> String.format("%d, ~, %d", right.getX(), right.getZ())))
.map(coords -> "Found " + targetBiome.getID() + " at [" + coords + "]")
.toEither("Could not find " + targetBiome.getID() + " within " + radius + " blocks.")));
})
.permission("terra.locate.biome")
);

4
common/api/src/main/java/com/dfsek/terra/api/util/function/FunctionUtils.java
View File

@@ -22,6 +22,10 @@ public final class FunctionUtils {
return (Either<L, T>) o.map(Either::right).orElseGet(() -> Either.left(de));
}
public static <T> T collapse(Either<T, T> either) {
return either.collect(Function.identity(), Function.identity());
}
public static <T, U> Function<T, Either<Exception, U>> liftTry(Function<T, U> f) {
return s -> {
try {

56
common/api/src/main/java/com/dfsek/terra/api/util/generic/data/types/Maybe.java
View File

@@ -4,7 +4,9 @@ import com.dfsek.terra.api.util.generic.control.Monad;
import java.util.Optional;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.function.Supplier;
import java.util.stream.Stream;
public interface Maybe<T> extends Monad<T, Maybe<?>> {
@@ -21,6 +23,11 @@ public interface Maybe<T> extends Monad<T, Maybe<?>> {
<L> Either<L, T> toEither(L l);
T get(Supplier<T> def);
boolean isJust();
@Override
<U> Maybe<U> map(Function<T, U> map);
default T get(T def) {
return get(() -> def);
}
@@ -29,6 +36,24 @@ public interface Maybe<T> extends Monad<T, Maybe<?>> {
return bind(ignore -> m);
}
Maybe<T> or(Supplier<Maybe<T>> or);
default Maybe<T> or(Maybe<T> or) {
return or(() -> or);
}
default Stream<T> toStream() {
return map(Stream::of).get(Stream.empty());
}
default Maybe<T> filter(Predicate<T> filter) {
return bind(o -> filter.test(o) ? this : nothing());
}
static <T> Maybe<T> fromOptional(Optional<T> op) {
return op.map(Maybe::just).orElseGet(Maybe::nothing);
}
static <T1> Maybe<T1> just(T1 t) {
record Just<T>(T value) implements Maybe<T> {
@@ -47,6 +72,21 @@ public interface Maybe<T> extends Monad<T, Maybe<?>> {
return value;
}
@Override
public boolean isJust() {
return true;
}
@Override
public <U> Maybe<U> map(Function<T, U> map) {
return just(map.apply(value));
}
@Override
public Maybe<T> or(Supplier<Maybe<T>> or) {
return this;
}
@Override
public <T2> Maybe<T2> bind(Function<T, Monad<T2, Maybe<?>>> map) {
return (Maybe<T2>) map.apply(value);
@@ -77,6 +117,22 @@ public interface Maybe<T> extends Monad<T, Maybe<?>> {
public T get(Supplier<T> def) {
return def.get();
}
@Override
public boolean isJust() {
return false;
}
@Override
@SuppressWarnings("unchecked")
public <U> Maybe<U> map(Function<T, U> map) {
return (Maybe<U>) this;
}
@Override
public Maybe<T> or(Supplier<Maybe<T>> or) {
return or.get();
}
}
return new Nothing<>();
}

7
common/api/src/main/java/com/dfsek/terra/api/world/biome/generation/BiomeProvider.java
View File

@@ -9,6 +9,9 @@ package com.dfsek.terra.api.world.biome.generation;
import com.dfsek.seismic.type.vector.Vector3;
import com.dfsek.seismic.type.vector.Vector3Int;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import org.jetbrains.annotations.Contract;
import java.util.Optional;
@@ -64,8 +67,8 @@ public interface BiomeProvider {
return getBiome(vector3.getX(), vector3.getY(), vector3.getZ(), seed);
}
default Optional<Biome> getBaseBiome(int x, int z, long seed) {
return Optional.empty();
default Maybe<Biome> getBaseBiome(int x, int z, long seed) {
return Maybe.nothing();
}

12
common/api/src/main/java/com/dfsek/terra/api/world/biome/generation/CachingBiomeProvider.java
View File

@@ -1,5 +1,7 @@
package com.dfsek.terra.api.world.biome.generation;
import com.dfsek.terra.api.util.generic.data.types.Maybe;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
import com.github.benmanes.caffeine.cache.Scheduler;
@@ -25,14 +27,14 @@ public class CachingBiomeProvider implements BiomeProvider, Handle {
protected final BiomeProvider delegate;
private final int res;
private final ThreadLocal<Pair.Mutable<SeededVector3Key, LoadingCache<SeededVector3Key, Biome>>> cache;
private final ThreadLocal<Pair.Mutable<SeededVector2Key, LoadingCache<SeededVector2Key, Optional<Biome>>>> baseCache;
private final ThreadLocal<Pair.Mutable<SeededVector2Key, LoadingCache<SeededVector2Key, Maybe<Biome>>>> baseCache;
protected CachingBiomeProvider(BiomeProvider delegate) {
this.delegate = delegate;
this.res = delegate.resolution();
this.baseCache = ThreadLocal.withInitial(() -> {
LoadingCache<SeededVector2Key, Optional<Biome>> cache = Caffeine
LoadingCache<SeededVector2Key, Maybe<Biome>> cache = Caffeine
.newBuilder()
.executor(CACHE_EXECUTOR)
.scheduler(Scheduler.systemScheduler())
@@ -56,7 +58,7 @@ public class CachingBiomeProvider implements BiomeProvider, Handle {
}
private Optional<Biome> sampleBiome(SeededVector2Key vec) {
private Maybe<Biome> sampleBiome(SeededVector2Key vec) {
this.baseCache.get().setLeft(new SeededVector2Key(0, 0, 0));
return this.delegate.getBaseBiome(vec.x * res, vec.z * res, vec.seed);
}
@@ -80,8 +82,8 @@ public class CachingBiomeProvider implements BiomeProvider, Handle {
}
@Override
public Optional<Biome> getBaseBiome(int x, int z, long seed) {
Mutable<SeededVector2Key, LoadingCache<SeededVector2Key, Optional<Biome>>> cachePair = baseCache.get();
public Maybe<Biome> getBaseBiome(int x, int z, long seed) {
Mutable<SeededVector2Key, LoadingCache<SeededVector2Key, Maybe<Biome>>> cachePair = baseCache.get();
SeededVector2Key mutableKey = cachePair.getLeft();
mutableKey.set(x, z, seed);
return cachePair.getRight().get(mutableKey);