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buffered world builder api

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dfsek
2022-01-04 09:37:06 -07:00
parent 1d6eb0c48f
commit 6b060a1ff6
5 changed files with 120 additions and 4 deletions
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78
common/api/src/main/java/com/dfsek/terra/api/world/BufferedWorld.java
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@@ -1,12 +1,18 @@
package com.dfsek.terra.api.world;
import java.util.Objects;
import com.dfsek.terra.api.block.entity.BlockEntity;
import com.dfsek.terra.api.block.state.BlockState;
import com.dfsek.terra.api.config.ConfigPack;
import com.dfsek.terra.api.entity.Entity;
import com.dfsek.terra.api.entity.EntityType;
import com.dfsek.terra.api.util.vector.Vector3Int;
import com.dfsek.terra.api.world.biome.generation.BiomeProvider;
import com.dfsek.terra.api.world.chunk.generation.ChunkGenerator;
import com.dfsek.terra.api.world.util.Interceptors;
import com.dfsek.terra.api.world.util.ReadInterceptor;
import com.dfsek.terra.api.world.util.WriteInterceptor;
/**
@@ -17,12 +23,18 @@ public class BufferedWorld implements WritableWorld {
private final WritableWorld delegate;
private final int offsetX, offsetY, offsetZ;
protected BufferedWorld(WritableWorld delegate, int offsetX, int offsetY, int offsetZ) {
private final ReadInterceptor readInterceptor;
private final WriteInterceptor writeInterceptor;
protected BufferedWorld(WritableWorld delegate, int offsetX, int offsetY, int offsetZ,
ReadInterceptor readInterceptor, WriteInterceptor writeInterceptor) {
this.delegate = delegate;
this.offsetX = offsetX;
this.offsetY = offsetY;
this.offsetZ = offsetZ;
this.readInterceptor = readInterceptor;
this.writeInterceptor = writeInterceptor;
}
@Override
@@ -32,7 +44,7 @@ public class BufferedWorld implements WritableWorld {
@Override
public BlockState getBlockState(int x, int y, int z) {
return delegate.getBlockState(x + offsetX, y + offsetY, z + offsetZ);
return readInterceptor.read(x, y, z, delegate);
}
@Override
@@ -72,7 +84,7 @@ public class BufferedWorld implements WritableWorld {
@Override
public void setBlockState(int x, int y, int z, BlockState data, boolean physics) {
delegate.setBlockState(x + offsetX, y + offsetY, z + offsetZ, data, physics);
writeInterceptor.write(x, y, z, data, delegate, physics);
}
@Override
@@ -82,9 +94,69 @@ public class BufferedWorld implements WritableWorld {
/**
* Get the world this {@link BufferedWorld} delegates to.
*
* @return Delegate world.
*/
public WritableWorld getDelegate() {
return delegate;
}
public static final class Builder {
private final WritableWorld delegate;
private ReadInterceptor readInterceptor;
private WriteInterceptor writeInterceptor;
private int x = 0;
private int y = 0;
private int z = 0;
private Builder(WritableWorld delegate) {
this.delegate = delegate;
}
public Builder read(ReadInterceptor interceptor) {
this.readInterceptor = interceptor;
return this;
}
public Builder write(WriteInterceptor interceptor) {
this.writeInterceptor = interceptor;
return this;
}
public Builder offsetX(int x) {
this.x = x;
return this;
}
public Builder offsetY(int y) {
this.y = y;
return this;
}
public Builder offsetZ(int z) {
this.z = z;
return this;
}
public Builder offset(Vector3Int vector) {
this.x = vector.getX();
this.y = vector.getY();
this.z = vector.getZ();
return this;
}
public BufferedWorld build() {
return new BufferedWorld(delegate,
x,
y,
z,
Objects.requireNonNullElse(readInterceptor, Interceptors.readThrough()),
Objects.requireNonNullElse(writeInterceptor, Interceptors.writeThrough()));
}
}
protected static Builder builder(WritableWorld world) {
return new Builder(world);
}
}

7
common/api/src/main/java/com/dfsek/terra/api/world/WritableWorld.java
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@@ -6,6 +6,7 @@ import com.dfsek.terra.api.entity.EntityType;
import com.dfsek.terra.api.util.vector.Vector3;
import com.dfsek.terra.api.util.vector.Vector3Int;
import com.dfsek.terra.api.world.chunk.generation.util.Column;
import com.dfsek.terra.api.world.util.Interceptors;
public interface WritableWorld extends ReadableWorld {
@@ -55,7 +56,11 @@ public interface WritableWorld extends ReadableWorld {
Entity spawnEntity(double x, double y, double z, EntityType entityType);
default BufferedWorld buffer(int offsetX, int offsetY, int offsetZ) {
return new BufferedWorld(this, offsetX, offsetY, offsetZ);
return BufferedWorld.builder(this).offsetX(offsetX).offsetY(offsetY).offsetZ(offsetZ).build();
}
default BufferedWorld.Builder buffer() {
return BufferedWorld.builder(this);
}
default Column<WritableWorld> column(int x, int z) {

17
common/api/src/main/java/com/dfsek/terra/api/world/util/Interceptors.java Normal file
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@@ -0,0 +1,17 @@
package com.dfsek.terra.api.world.util;
public final class Interceptors {
private static final ReadInterceptor READ_THROUGH = ((x, y, z, world) -> world.getBlockState(x, y, z));
private static final WriteInterceptor WRITE_THROUGH = ((x, y, z, block, world, physics) -> world.setBlockState(x, y, z, block, physics));
private Interceptors() {
}
public static ReadInterceptor readThrough() {
return READ_THROUGH;
}
public static WriteInterceptor writeThrough() {
return WRITE_THROUGH;
}
}

9
common/api/src/main/java/com/dfsek/terra/api/world/util/ReadInterceptor.java Normal file
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@@ -0,0 +1,9 @@
package com.dfsek.terra.api.world.util;
import com.dfsek.terra.api.block.state.BlockState;
import com.dfsek.terra.api.world.ReadableWorld;
public interface ReadInterceptor {
BlockState read(int x, int y, int z, ReadableWorld world);
}

13
common/api/src/main/java/com/dfsek/terra/api/world/util/WriteInterceptor.java Normal file
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@@ -0,0 +1,13 @@
package com.dfsek.terra.api.world.util;
import com.dfsek.terra.api.block.state.BlockState;
import com.dfsek.terra.api.world.WritableWorld;
public interface WriteInterceptor {
default void write(int x, int y, int z, BlockState block, WritableWorld world) {
write(x, y, z, block, world, false);
}
void write(int x, int y, int z, BlockState block, WritableWorld world, boolean physics);
}