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update most things to use new maybe and either

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dfsek
2025-12-29 18:59:57 -07:00
parent d52cd0d7cf
commit 16705057e0
11 changed files with 155 additions and 91 deletions
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common/addons/command-locate/src/main/java/com/dfsek/terra/addons/commands/locate/BiomeLocator.java
+54 -50
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,
@@ -44,64 +49,63 @@ 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) {
final int currentRadius = r;
final int minX = -currentRadius;
final int maxX = currentRadius;
final int minZ = -currentRadius;
final int maxZ = currentRadius;
// 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.
.or(() -> {
for(int r = step; r <= radius; r += step) {
final int currentRadius = r;
final int minX = -currentRadius;
final int maxX = currentRadius;
final int minZ = -currentRadius;
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
Stream<int[]> northSide = IntStream.iterate(minX, n -> n < maxX, n -> n + step)
.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
Stream<int[]> eastSide = IntStream.iterate(minZ, n -> n < maxZ, n -> n + step)
.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
Stream<int[]> southSide = IntStream.iterate(maxX, n -> n > minX, n -> n - step)
.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
Stream<int[]> westSide = IntStream.iterate(maxZ, n -> n > minZ, n -> n - step)
.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())
.parallel()
.map(coords -> check(
provider,
seed,
originX + coords[0],
originZ + coords[1],
step,
filter,
search3D,
minHeight,
maxHeight
))
.filter(Optional::isPresent)
.map(Optional::get)
.findFirst(); // findFirst() respects encounter order (North -> East -> South -> West)
Optional<Either<Vector3Int, Vector2Int>> ringResult = Stream.of(northSide, eastSide, southSide, westSide)
.flatMap(Function.identity())
.parallel()
.map(coords -> check(
provider,
seed,
originX + coords[0],
originZ + coords[1],
step,
filter,
search3D,
minHeight,
maxHeight
))
.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
common/addons/command-locate/src/main/java/com/dfsek/terra/addons/commands/locate/LocateCommandAddon.java
+13 -18
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")
);